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Nonwoven fabric
Add time：2018/3/31
Nonwoven fabric (English Name: Non Woven Fabric or Nonwoven cloth) is also called non woven fabric. It is made up of directional or random fibers. It is a new generation of environmental protection materials. It has the characteristics of moistureproof, breathable, flexible, light, non combustion, easy decomposition, non-toxic and non irritating, rich in color, low in price and recyclable. If polypropylene (PP) pellets are used as raw materials, they can be produced by continuous melting, spraying, laying and hot pressing. It is called cloth because of its appearance and some properties.
Characteristic
Nonwovens have no latitude and longitude, they are very convenient and cut and cut. They are light and easy to set. They are very popular with handcrafts enthusiasts.
Because it is a fabric that does not need spinning and weaving, it is only a directional or random arrangement of the textile short fibers or filament to form a fiber net structure, which is then reinforced by mechanical, thermal, or chemical methods.
It is not interwoven and woven together by a single piece of yarn, but the fiber is glued together directly in a physical way, so when you get the sticky name in your clothes, you will find that it can't take the root of the thread. The non-woven fabric has broken through the traditional textile principle, and has the characteristics of short process, fast production rate, high production, low cost, wide use and many sources of raw materials.
The relationship between nonwoven fabric and spunbonded fabric
The spunbonded fabric is subordinate to the non-woven fabric. There are many manufacturing processes in the manufacture of non-woven fabrics, in which spunbond is one of the nonwoven production processes (including spunbond, melted, hot rolling, spunlore, and most of them are nonwoven fabrics made by spunbond).
According to the ingredients, non-woven fabrics are polyester, polypropylene, nylon, spandex, acrylic and so on. Different components will have different styles of non-woven fabrics. Spunbonded fabrics usually refer to polyester spunbond and polypropylene spunbond. The styles of these two kinds of fabrics are very close. They can be identified by high temperature test.
Nonwoven fabric is a nonwoven fabric. It is a non woven fabric that is formed by direct use of high polymer chips, short fibers, or filament through airflow or mechanical net, then through spunlick, needle, or hot rolling. A new fiber with soft, breathable and flat structure. It has the advantage of not producing fiber, strong, durable, silky and soft. It is also a kind of reinforced material, and it has the feeling of cotton. Compared with cotton fabric, the non woven bag is easy to form and is cheaper.
Advantage：
1. quality is light: polypropylene resin is the main raw material, and the proportion is only 0.9. Only the finished products of cotton fabric (4 sheets) is 3/5, which is bulky and feels good.
2. soft: made up of fine fibers (2-3D), with light point hot melt bonding. The finished product has a moderate softness and a comfortable feeling.
3. water, breathable: Polypropylene slice does not absorb water, water content is zero, the finished water is good, the 100% fiber is porous, good air permeability, easy to keep the cloth dry and easy to wash.
4. non-toxic, non irritating: the products are produced in accordance with the FDA food grade raw materials, without other chemical components, the performance is stable, non-toxic, no odor, no stimulation of the skin.
5. antibacterial, anti chemical agents: polypropylene is a chemical blunt substance, not worm eaten, and can isolate the corrosion of bacteria and insects in the liquid; antibacterial, alkali corrosion, finished products do not affect the strength by erosion.
6. antibacterial activity. Products are water extraction, non moldy, and can isolate bacteria and insects in liquid, and do not mold.
7. good physical property. Polypropylene is directly woven into the mesh and bonded by heat. The strength of the product is better than that of the general staple fiber, and the strength is not directional, and the strength is similar to that of the longitudinal and transverse ones.
8. in the environment of environmental protection, most of the raw materials used for non-woven fabrics are polypropylene, while the raw materials of the plastic bags are polyethylene. Although the two substances are similar in their names, they are far apart in the chemical structure. The chemical molecular structure of polyethylene is very stable and extremely difficult to degrade, so the plastic bag takes 300 years to decompose, and the chemical structure of the polypropylene is not strong, the molecular chain is easily broken, and it can be effectively degraded, and the next environmental cycle is entered in the non-toxic form, and a non-woven bag can be thoroughly decomposed in 90 days. Moreover, the nonwoven shopping bags can be reused for more than 10 times, and the environmental pollution after abandonment is only 10% of that of plastic bags.
Shortcomings:
1) compared with textile cloth, the strength and durability are poor.
2) it can't be cleaned like other cloth.
3) fibers are arranged in a certain direction, so it is easy to split from right angles. Therefore, the improvement of production methods is mainly to prevent the improvement of division.
maintain
The maintenance of non-woven fabrics: the following points should be noted in the maintenance and collection of non-woven fabrics.
1, to keep clean, wash frequently, prevent moth breeding.
2, seasonal storage, washing, ironing, must be dried to a plastic bag sealed, placed in the wardrobe. Pay attention to light shading in order to prevent color fading. Should be often ventilated, dedusting to wet, can not be exposed to exposure. We should put mouldproof and anti moth tablets in the wardrobe, so as not to damp and mould the cashmere products.
3, the inner liner should be smooth with its matching coat, and hard objects such as pens, key packages and cell phones should not be stored in the pocket so as to avoid local friction pilling. Minimize friction with hard objects, such as sofa backrest, armrest, desktop and hook. In time can not be too long, about 5 days to stop wear or wear the clothes, restore elasticity, to avoid fatigue damage of fiber.
4, if the ball, not strong pull, must use scissors to cut to avoid causing ball, can not be repaired because of off-line.
purpose
Nonwoven products are rich in color, bright and bright, bright and bright, fashionable and environmentally friendly, widely used, beautiful and generous, with various patterns and styles, and are light, environmentally friendly and recyclable, and are internationally recognized as environmental protection products for the protection of the earth's ecology. It is suitable for agricultural film, shoe making, tannery, mattress, mother quilt, decoration, chemical industry, printing, automobile, building materials, furniture and other industries, and clothing lining, medical and sanitary disposable surgical clothes, masks, caps, bed sheets, hotel disposable tablecloth, beauty, sauna and even today's gift bags, boutique bags, shopping bags, advertising bags and so on. Environmental protection products are widely used and economical. Because its appearance is similar to Pearl, also known as pearl canvas.
Nonwoven fabrics, including chemical fibers and plant fibers, are made in wet or dry papermaking machines under the conditions of water or air as suspended medium. Although they are used as cloth without textile, they are called non-woven fabrics. Non-woven fabric is a new generation of environmentally-friendly materials. It has many advantages, such as strong strength, breathable, waterproof, environmental protection, flexibility, innocuity, tasteless and cheap price. It is a new generation of environmentally-friendly materials. It has characteristics of water repellency, breathability, flexibility, no combustion, no poison, no irritation and rich color. If the material is naturally decomposed outside, the maximum life span of the material is only 90 days, which is decomposed within 8 years in the room. It is nontoxic, harmless and pollute the environment. Therefore, environmental protection comes from the environmental protection.
(1) medical and sanitary non-woven fabrics: operating clothes, protective clothing, disinfectant cloth, masks, diapers, civil wipes, wipes, wet face towels, magic towels, soft towels, beauty products, sanitary napkins, sanitary pads, and disposable sanitary cloth.
(2): home decoration with non-woven fabric with Qiangbu, tablecloth, bed sheet, bedspread etc..
(3): clothing with non-woven lining, lining, interlining, setting cotton, various synthetic leather base cloth etc..
(4) industrial non-woven fabrics; the base material of roofing waterproofing rolls and bitumen tiles, reinforced materials, polishing materials, filter materials, insulating materials, cement bags, geotextiles, coated cloth and so on.
(5) agricultural nonwovens: crop protection cloth, seedling raising cloth, irrigation cloth, thermal curtain, etc.
(6) other non-woven fabrics: Space cotton, thermal insulation and sound insulation materials, oil absorbing felt, smoke filter, bag, tea bag, shoe material and so on.
Medical and health: surgical clothing, cap, cover, gypsum, cotton, women's sanitary napkin, baby diaper, wet towel, sanitary briefs and dust-proof cover.
Agriculture: the harvest cloth, the shed cloth.
Industry: floppy disc lining, horn cloth, filter material, sound box sound insulation felt, sealing ring lining, cable cloth, fiberglass reinforced towel, industrial cloth, shock proof liner, insulating material, adhesive tape base, tube base lining, ventilation pipe, Chapib.
Packing: cement bag, packaging bags lining, lining, quilt wadding, storage bags, mobile jacquard cloth bags.
Clothing and footwear: clothing lining, floc, shoe head hard lining, heel lining, underwear, artificial deer skin, synthetic leather, thermal shoe lining, cloth shoe bottom lining.
Automobile industry: waste textile insulated hot felt, shock proof felt, roof, cushion, lining, carpet, door lining, automobile filter element and molding cushion.
Household clothing: sofa cloth, carpet, wall cloth, mirror cloth, tea bag, vacuum filter bag, shopping bag, printing bed sheet, pay cover, cushions, sleeping bags, dry cleaning cloth, 100 cleaning cloth, curtains, tablecloths, lampshade, Royal rattan mat back film film.
Civil engineering, construction: reinforcement, reinforcement, filtration, oil felt bottom cloth, drainage board, roofing waterproof material, railway, highway, embankment, water slope, port sound insulation, sewer, heat proof, separation, drainage.
Other uses: launch vehicle, missile head heat proof cone, tail nozzle throat liner, advanced banknote printing paper, space shuttle heat resistant tile, map cloth, calendar cloth, artificial cloth, oil canvas and so on.
classification
Nonwoven fabric is mainly made of polypropylene (PP) and polyester (PET). In addition, there are nylon (PA), viscose fiber, acrylic fiber, polyethylene (HDPE), polyvinyl chloride (PVC). According to the application requirements, non-woven fabrics are divided into two categories: disposable and durable.
According to the production process, it is divided into:
1. spiny non-woven fabric: spunlace technology is a high pressure micro flow of water jet to a layer or multi-layer fiber network, the fiber intertwined together, so that the fiber mesh reinforcement and have a certain strength.
2. hot bonded nonwoven fabric: Hot bonded nonwoven fabric is a fiber reinforced or powdery hot melt adhesive reinforced material, and the fiber net is then heated and melted to reinforce the cloth.
3., the pulp is air laid into non-woven fabrics: air laid and non-woven fabrics can also be called dustless paper and dry papermaking nonwovens. It uses the air flow forming technology to loose the wood pulp fiber board into a single fiber state, and then condenses the fiber on the net curtain with the air flow method, and then the fiber net is reinforced into the cloth.
4. wet process non-woven fabric: wet non-woven fabric is a fiber raw material placed in the water medium loose into a single fiber, at the same time, the different fiber raw materials mixed, made into fiber suspension pulp, suspension slurry transported to the network mechanism, fiber in the wet form of net reinforcement into cloth.
5. spunbonded non-woven fabric: spunbonded nonwoven fabric is made of a continuous filament when the polymer has been extruded and stretched, and the filament is laid into a net. The fiber net is then bonded, hot glued, chemically bonded or mechanically strengthened to make the fiber net into nonwoven fabric.
6. melt blown non-woven fabric: melt blown nonwovens process: polymer feed -- melt extrusion -- fiber formation -- fiber cooling -- netting -- reinforcing cloth.
7. needle punched nonwovens: needle punched non-woven fabric is a kind of dry non-woven fabric. Needle punched nonwoven fabric is made by using puncture effect of needles, and the bulky web is reinforced into cloth.
8. stitched nonwoven fabrics: stitched nonwoven fabric is a dry non-woven fabric, seaming method is to use the warp knitting coil structure for fiber mesh, yarn layer, non textile material (such as plastic sheet, thin plastic foil, etc.) or their combination to reinforce the fabric to make non-woven fabrics.
9., hydrophilic non-woven fabrics: mainly used for the production of medical and health materials, in order to get better handle and scratch. Like sanitary napkins and sanitary gaskets, they use the hydrophilic function of hydrophilic non-woven fabrics.
Difference
The difference between non-woven and dust-free fabric
Nonwovens, also called nonwovens, are new generation of environmentally-friendly materials. They are characterized by water repellency, breathability, flexibility, no combustion, no poison, no irritation, and rich colors. If the non-woven fabric is placed outside naturally, its longest life span is only 90 days. It is placed indoors in 5 years. It is nontoxic, tasteless and without any leftovers, so it does not pollute the environment and is suitable for washing. It directly uses polymer chips, short fibers or filament through a variety of fiber mesh forming methods and consolidation technology to form a soft, breathable and plane structure of the new fiber products. It has the environmental protection property that plastic products do not have, its natural degradation time is far lower than plastic bag, therefore, non woven fabric made of non-woven cloth is also recognized as the most economical and economical shopping bag.
The dust-free fabric is made of 100% polyester fibers, with soft surface, easy to wipe sensitive surface, friction without fiber, with good water absorption and cleaning efficiency. The cleaning and packing of products are completed in super clean workshop. Dust free cloth can be used for edge sealing, such as cold cutting, laser edge sealing and ultrasonic sealing. The superfine fiber dust-free fabric is normally sealed with laser and ultrasonic; dust free cloth, dust free wiping cloth, superfine fiber dust-free cloth, superfine fiber wiping cloth with 100% continuous polyester fiber double fabric surface soft, can be used to wipe sensitive surface, low dust production and friction without fiber, good water absorption and cleaning efficiency. It is specially used in the cleanless cleaning workshop. The edge of the dust free cloth, dust free wiping cloth, superfine fiber dust-free cloth and superfine fiber wiping cloth is the edge of the most advanced edge cutting machine. After wiping, it will not leave the particles and line head, and the ability of removing pollution is strong.
History
First, the development of non-woven textile industry
By the end of 1998, the world's consumption of non-woven fabrics has reached 2 million 400 thousand tons. In 1970, its consumption is only 400 thousand tons, and by 2007, its consumption is expected to reach 4 million tons. Nonwoven fabrics are mainly concentrated in the United States (41% of the world), Western Europe accounts for 30%, Japan accounts for 8%, and China's output accounts for only 3.5% of the world, and its consumption is 17.5% in the world.
Artificial fiber still dominates the production of nonwovens, and there will be no big change until 2007. In the world, 63% of the fibers used in the production of non-woven fabrics are polypropylene, 23% are polyester, 8% is viscose, 2% is acrylic fiber, 1.5% is polyamide, and the remaining 3% is other fibers.
The application of non-woven fabrics in health absorbing materials, medicine, transportation and shoe making textiles has increased significantly.
Two. Production and consumption of non-woven fabrics
The global non-woven fabric consumption was 800 thousand tons in 1983, compared with 1 million 100 thousand tons in 1985 and 1 million 400 thousand tons in 1988. By 1998, the global non-woven fabric consumption reached 2 million 400 thousand tons. It was expected to reach 3 million 700 thousand tons in 2005.
The consumption of synthetic fibers for various textiles was 16 million 900 thousand tons in 1983, to 20 million 400 thousand tons in 1988 and 30 million 400 thousand tons in 1998. It is expected to consume 37 million tons in 2005 and 38 million 300 thousand tons in 2007.
The growth rate of the consumption of man-made fibres in the production of nonwovens is estimated to reach 10% in 2005, and 10.4% in 2007. The increase in the consumption of non-woven industry is partly due to the increase of auxiliary industries in China, Southeast Asia, Latin America and the Middle East.
Three. Factors affecting the growth rate of non-woven fabrics
All the factors that affect the growth of artificial fibers have more or less impact on textiles with artificial fiber as raw materials, which have the greatest impact on non-woven fabrics. The increase of population is more important to non-woven fabrics than other clothing textiles. But if we consider the important application of non-woven fabrics in baby diapers, population growth is also an important factor. Natural fibers are partly replaced by textiles, but have little effect on non-woven fabrics, because the production of non-woven fabrics is basically dependent on artificial fibers.
The commercial development of artificial fiber and the professional application of non-woven fabric: the trade of microfiber, composite fiber, biodegradable fiber and new type polyester fiber has been increased because of the establishment of international economic treaties. This has great influence on nonwovens, but it has little influence on clothing and knitted fabrics. Instead of textiles and other products, this includes the non-woven fabric, knitted fabric, plastic film, polyurea foam, wood pulp, leather and so on. This is determined by the cost and performance requirements of the product. The introduction of new more economical and more effective production processes: the application of various articles made of polymers, the competitive non-woven fabrics, and the introduction of special fiber and non-woven fabric additives.
The three major fibers used for non-woven production are polypropylene fiber (62% of the total), polyester fiber (24% of total) and viscose fiber (8% of the total). Viscose fiber is the most widely used in the production of non-woven fabrics in 1970~1985 years. In the past 2000-2005 years, the application of polypropylene fiber and polyester fiber has begun to dominate in the field of health absorbing materials and medical textiles. In the early non-woven production market, the amount of nylon was very large. Since 1998, the amount of acrylic fiber began to rise, especially in the field of artificial leather manufacturing.
There are many large scale projects in China's construction, such as the Three Gorges project, the Xiaolangdi Dam project, the environmental protection project, the western development, the infrastructure construction and so on. All these will greatly promote the consumption of geotextiles, filter materials, waterproof materials, and packaging materials. In addition, the increase of domestic consumers' income will also promote the consumption of all kinds of sanitary absorbent products and air filter materials, medical and health supplies and labor insurance style articles. So, Chinese textile future there is great potential for growth.
Main products
Non-woven quilt
The manual of non woven fabric is made with non woven fabric (the right map is made with non woven fabric). More and more handmade enthusiasts have joined the manual production of non woven fabric, because
1. non woven fabrics are special, thicker and harder than the ordinary cloth, and the cotton cloth will not fall off the thread and so on. It is convenient to sew.
2., the fabric made of nonwoven fabrics is lovely and lifelike, giving gifts can express their intentions.
3., the nonwovens have different colors. You can design different patterns, non-woven books, non-woven cakes, non-woven dolls, and non-woven bags. We can all make it through our hands.
4. non woven fabric with domestic cloth and imported cloth, the domestic cloth is thin, soft and easy to hair, the imported cloth is relatively thick, flat, clean, good hand, hand making is more ideal.
Disposable supplies
Medical nonwoven fabrics are medical and health textiles made of chemical fibers, including polyester, polyamide, polytetrafluoroethylene (PTFE), polypropylene, carbon fiber and glass fiber. Including disposable masks, protective clothing, surgical clothes, isolation clothes, experimental clothes, nurse cap, operation cap, doctor hat, operation bag, parturient bag, first aid package, diaper, pillow case, bed sheet, quilt, shoe cover and other disposable medical consumables. Compared with traditional cotton woven medical textiles, medical nonwoven fabric has the characteristics of high filtration of bacteria, dust, low infection rate, convenient disinfection and sterilization, and easy to compound with other materials. Medical nonwoven products, as disposable disposable articles, not only use convenience, safety and health, but also effectively prevent bacterial infection and iatrogenic cross infection. In China, the investment in the medical and health industry has reached over hundreds of billions of yuan, of which the total output value of sanitary products and materials is about 64 billion yuan, and it has developed in the direction of diversification.
Flour Sack
The flour bag with non-woven fabric, which has the characteristics of light quality, environmental protection, moisture proof, breathable, flexible, flame-retardant, non-toxic and non irritating and recyclable, is an internationally recognized environmental protection product for protecting the earth. It is widely used in small rice flour, corn flour and buckwheat flour. Rice and so on. This kind of non-woven fabric products use ink and ink printing, beautiful and generous, vivid, non-toxic, tasteless and volatile, more environmentally friendly and clean than ink printing, fully meet the requirements of the environmental protection of modern people. Because the product quality is reliable, the price is substantial, and the service life is long. Main specifications 1 kg, 2.5 kg, 5 kg, 10 kg of rice and other specifications of hardcover bags and packing bags etc..
Fashion shopping bag
Non woven bag (also called nonwoven bag, English: Nonwoven bags) is a green product. It is tough, durable, beautiful in shape, good in air permeability, can be used repeatedly and washable. It can be used for advertising, shipping mark and long use. It is suitable for any company and any industry as advertising and gift. At the same time, consumers get a beautiful non-woven bag while shopping, and the merchants get the invisible advertising and publicity, so the non-woven fabric is becoming more and more popular in the market.
It is a new generation of environmental protection material, which has the characteristics of moistureproof, breathable, flexible, light, non combustion, easy decomposition, nontoxic and non irritating, rich in color, low in price and recyclable. The material is naturally decomposed for 90 days outside, and it has been put in room for up to 5 years. It is nontoxic, tasteless and without any leftovers. It does not pollute the environment and is internationally recognized as an environmental protection product for the protection of the earth's ecology.
Characteristic
Nonwovens have no latitude and longitude, they are very convenient and cut and cut. They are light and easy to set. They are very popular with handcrafts enthusiasts.
Because it is a fabric that does not need spinning and weaving, it is only a directional or random arrangement of the textile short fibers or filament to form a fiber net structure, which is then reinforced by mechanical, thermal, or chemical methods.
It is not interwoven and woven together by a single piece of yarn, but the fiber is glued together directly in a physical way, so when you get the sticky name in your clothes, you will find that it can't take the root of the thread. The non-woven fabric has broken through the traditional textile principle, and has the characteristics of short process, fast production rate, high production, low cost, wide use and many sources of raw materials.
The relationship between nonwoven fabric and spunbonded fabric
The spunbonded fabric is subordinate to the non-woven fabric. There are many manufacturing processes in the manufacture of non-woven fabrics, in which spunbond is one of the nonwoven production processes (including spunbond, melted, hot rolling, spunlore, and most of them are nonwoven fabrics made by spunbond).
According to the ingredients, non-woven fabrics are polyester, polypropylene, nylon, spandex, acrylic and so on. Different components will have different styles of non-woven fabrics. Spunbonded fabrics usually refer to polyester spunbond and polypropylene spunbond. The styles of these two kinds of fabrics are very close. They can be identified by high temperature test.
Nonwoven fabric is a nonwoven fabric. It is a non woven fabric that is formed by direct use of high polymer chips, short fibers, or filament through airflow or mechanical net, then through spunlick, needle, or hot rolling. A new fiber with soft, breathable and flat structure. It has the advantage of not producing fiber, strong, durable, silky and soft. It is also a kind of reinforced material, and it has the feeling of cotton. Compared with cotton fabric, the non woven bag is easy to form and is cheaper.
Advantage：
1. quality is light: polypropylene resin is the main raw material, and the proportion is only 0.9. Only the finished products of cotton fabric (4 sheets) is 3/5, which is bulky and feels good.
2. soft: made up of fine fibers (2-3D), with light point hot melt bonding. The finished product has a moderate softness and a comfortable feeling.
3. water, breathable: Polypropylene slice does not absorb water, water content is zero, the finished water is good, the 100% fiber is porous, good air permeability, easy to keep the cloth dry and easy to wash.
4. non-toxic, non irritating: the products are produced in accordance with the FDA food grade raw materials, without other chemical components, the performance is stable, non-toxic, no odor, no stimulation of the skin.
5. antibacterial, anti chemical agents: polypropylene is a chemical blunt substance, not worm eaten, and can isolate the corrosion of bacteria and insects in the liquid; antibacterial, alkali corrosion, finished products do not affect the strength by erosion.
6. antibacterial activity. Products are water extraction, non moldy, and can isolate bacteria and insects in liquid, and do not mold.
7. good physical property. Polypropylene is directly woven into the mesh and bonded by heat. The strength of the product is better than that of the general staple fiber, and the strength is not directional, and the strength is similar to that of the longitudinal and transverse ones.
8. in the environment of environmental protection, most of the raw materials used for non-woven fabrics are polypropylene, while the raw materials of the plastic bags are polyethylene. Although the two substances are similar in their names, they are far apart in the chemical structure. The chemical molecular structure of polyethylene is very stable and extremely difficult to degrade, so the plastic bag takes 300 years to decompose, and the chemical structure of the polypropylene is not strong, the molecular chain is easily broken, and it can be effectively degraded, and the next environmental cycle is entered in the non-toxic form, and a non-woven bag can be thoroughly decomposed in 90 days. Moreover, the nonwoven shopping bags can be reused for more than 10 times, and the environmental pollution after abandonment is only 10% of that of plastic bags.
Shortcomings:
1) compared with textile cloth, the strength and durability are poor.
2) it can't be cleaned like other cloth.
3) fibers are arranged in a certain direction, so it is easy to split from right angles. Therefore, the improvement of production methods is mainly to prevent the improvement of division.
maintain
The maintenance of non-woven fabrics: the following points should be noted in the maintenance and collection of non-woven fabrics.
1, to keep clean, wash frequently, prevent moth breeding.
2, seasonal storage, washing, ironing, must be dried to a plastic bag sealed, placed in the wardrobe. Pay attention to light shading in order to prevent color fading. Should be often ventilated, dedusting to wet, can not be exposed to exposure. We should put mouldproof and anti moth tablets in the wardrobe, so as not to damp and mould the cashmere products.
3, the inner liner should be smooth with its matching coat, and hard objects such as pens, key packages and cell phones should not be stored in the pocket so as to avoid local friction pilling. Minimize friction with hard objects, such as sofa backrest, armrest, desktop and hook. In time can not be too long, about 5 days to stop wear or wear the clothes, restore elasticity, to avoid fatigue damage of fiber.
4, if the ball, not strong pull, must use scissors to cut to avoid causing ball, can not be repaired because of off-line.
purpose
Nonwoven products are rich in color, bright and bright, bright and bright, fashionable and environmentally friendly, widely used, beautiful and generous, with various patterns and styles, and are light, environmentally friendly and recyclable, and are internationally recognized as environmental protection products for the protection of the earth's ecology. It is suitable for agricultural film, shoe making, tannery, mattress, mother quilt, decoration, chemical industry, printing, automobile, building materials, furniture and other industries, and clothing lining, medical and sanitary disposable surgical clothes, masks, caps, bed sheets, hotel disposable tablecloth, beauty, sauna and even today's gift bags, boutique bags, shopping bags, advertising bags and so on. Environmental protection products are widely used and economical. Because its appearance is similar to Pearl, also known as pearl canvas.
Nonwoven fabrics, including chemical fibers and plant fibers, are made in wet or dry papermaking machines under the conditions of water or air as suspended medium. Although they are used as cloth without textile, they are called non-woven fabrics. Non-woven fabric is a new generation of environmentally-friendly materials. It has many advantages, such as strong strength, breathable, waterproof, environmental protection, flexibility, innocuity, tasteless and cheap price. It is a new generation of environmentally-friendly materials. It has characteristics of water repellency, breathability, flexibility, no combustion, no poison, no irritation and rich color. If the material is naturally decomposed outside, the maximum life span of the material is only 90 days, which is decomposed within 8 years in the room. It is nontoxic, harmless and pollute the environment. Therefore, environmental protection comes from the environmental protection.
(1) medical and sanitary non-woven fabrics: operating clothes, protective clothing, disinfectant cloth, masks, diapers, civil wipes, wipes, wet face towels, magic towels, soft towels, beauty products, sanitary napkins, sanitary pads, and disposable sanitary cloth.
(2): home decoration with non-woven fabric with Qiangbu, tablecloth, bed sheet, bedspread etc..
(3): clothing with non-woven lining, lining, interlining, setting cotton, various synthetic leather base cloth etc..
(4) industrial non-woven fabrics; the base material of roofing waterproofing rolls and bitumen tiles, reinforced materials, polishing materials, filter materials, insulating materials, cement bags, geotextiles, coated cloth and so on.
(5) agricultural nonwovens: crop protection cloth, seedling raising cloth, irrigation cloth, thermal curtain, etc.
(6) other non-woven fabrics: Space cotton, thermal insulation and sound insulation materials, oil absorbing felt, smoke filter, bag, tea bag, shoe material and so on.
Medical and health: surgical clothing, cap, cover, gypsum, cotton, women's sanitary napkin, baby diaper, wet towel, sanitary briefs and dust-proof cover.
Agriculture: the harvest cloth, the shed cloth.
Industry: floppy disc lining, horn cloth, filter material, sound box sound insulation felt, sealing ring lining, cable cloth, fiberglass reinforced towel, industrial cloth, shock proof liner, insulating material, adhesive tape base, tube base lining, ventilation pipe, Chapib.
Packing: cement bag, packaging bags lining, lining, quilt wadding, storage bags, mobile jacquard cloth bags.
Clothing and footwear: clothing lining, floc, shoe head hard lining, heel lining, underwear, artificial deer skin, synthetic leather, thermal shoe lining, cloth shoe bottom lining.
Automobile industry: waste textile insulated hot felt, shock proof felt, roof, cushion, lining, carpet, door lining, automobile filter element and molding cushion.
Household clothing: sofa cloth, carpet, wall cloth, mirror cloth, tea bag, vacuum filter bag, shopping bag, printing bed sheet, pay cover, cushions, sleeping bags, dry cleaning cloth, 100 cleaning cloth, curtains, tablecloths, lampshade, Royal rattan mat back film film.
Civil engineering, construction: reinforcement, reinforcement, filtration, oil felt bottom cloth, drainage board, roofing waterproof material, railway, highway, embankment, water slope, port sound insulation, sewer, heat proof, separation, drainage.
Other uses: launch vehicle, missile head heat proof cone, tail nozzle throat liner, advanced banknote printing paper, space shuttle heat resistant tile, map cloth, calendar cloth, artificial cloth, oil canvas and so on.
classification
Nonwoven fabric is mainly made of polypropylene (PP) and polyester (PET). In addition, there are nylon (PA), viscose fiber, acrylic fiber, polyethylene (HDPE), polyvinyl chloride (PVC). According to the application requirements, non-woven fabrics are divided into two categories: disposable and durable.
According to the production process, it is divided into:
1. spiny non-woven fabric: spunlace technology is a high pressure micro flow of water jet to a layer or multi-layer fiber network, the fiber intertwined together, so that the fiber mesh reinforcement and have a certain strength.
2. hot bonded nonwoven fabric: Hot bonded nonwoven fabric is a fiber reinforced or powdery hot melt adhesive reinforced material, and the fiber net is then heated and melted to reinforce the cloth.
3., the pulp is air laid into non-woven fabrics: air laid and non-woven fabrics can also be called dustless paper and dry papermaking nonwovens. It uses the air flow forming technology to loose the wood pulp fiber board into a single fiber state, and then condenses the fiber on the net curtain with the air flow method, and then the fiber net is reinforced into the cloth.
4. wet process non-woven fabric: wet non-woven fabric is a fiber raw material placed in the water medium loose into a single fiber, at the same time, the different fiber raw materials mixed, made into fiber suspension pulp, suspension slurry transported to the network mechanism, fiber in the wet form of net reinforcement into cloth.
5. spunbonded non-woven fabric: spunbonded nonwoven fabric is made of a continuous filament when the polymer has been extruded and stretched, and the filament is laid into a net. The fiber net is then bonded, hot glued, chemically bonded or mechanically strengthened to make the fiber net into nonwoven fabric.
6. melt blown non-woven fabric: melt blown nonwovens process: polymer feed -- melt extrusion -- fiber formation -- fiber cooling -- netting -- reinforcing cloth.
7. needle punched nonwovens: needle punched non-woven fabric is a kind of dry non-woven fabric. Needle punched nonwoven fabric is made by using puncture effect of needles, and the bulky web is reinforced into cloth.
8. stitched nonwoven fabrics: stitched nonwoven fabric is a dry non-woven fabric, seaming method is to use the warp knitting coil structure for fiber mesh, yarn layer, non textile material (such as plastic sheet, thin plastic foil, etc.) or their combination to reinforce the fabric to make non-woven fabrics.
9., hydrophilic non-woven fabrics: mainly used for the production of medical and health materials, in order to get better handle and scratch. Like sanitary napkins and sanitary gaskets, they use the hydrophilic function of hydrophilic non-woven fabrics.
Difference
The difference between non-woven and dust-free fabric
Nonwovens, also called nonwovens, are new generation of environmentally-friendly materials. They are characterized by water repellency, breathability, flexibility, no combustion, no poison, no irritation, and rich colors. If the non-woven fabric is placed outside naturally, its longest life span is only 90 days. It is placed indoors in 5 years. It is nontoxic, tasteless and without any leftovers, so it does not pollute the environment and is suitable for washing. It directly uses polymer chips, short fibers or filament through a variety of fiber mesh forming methods and consolidation technology to form a soft, breathable and plane structure of the new fiber products. It has the environmental protection property that plastic products do not have, its natural degradation time is far lower than plastic bag, therefore, non woven fabric made of non-woven cloth is also recognized as the most economical and economical shopping bag.
The dust-free fabric is made of 100% polyester fibers, with soft surface, easy to wipe sensitive surface, friction without fiber, with good water absorption and cleaning efficiency. The cleaning and packing of products are completed in super clean workshop. Dust free cloth can be used for edge sealing, such as cold cutting, laser edge sealing and ultrasonic sealing. The superfine fiber dust-free fabric is normally sealed with laser and ultrasonic; dust free cloth, dust free wiping cloth, superfine fiber dust-free cloth, superfine fiber wiping cloth with 100% continuous polyester fiber double fabric surface soft, can be used to wipe sensitive surface, low dust production and friction without fiber, good water absorption and cleaning efficiency. It is specially used in the cleanless cleaning workshop. The edge of the dust free cloth, dust free wiping cloth, superfine fiber dust-free cloth and superfine fiber wiping cloth is the edge of the most advanced edge cutting machine. After wiping, it will not leave the particles and line head, and the ability of removing pollution is strong.
History
First, the development of non-woven textile industry
By the end of 1998, the world's consumption of non-woven fabrics has reached 2 million 400 thousand tons. In 1970, its consumption is only 400 thousand tons, and by 2007, its consumption is expected to reach 4 million tons. Nonwoven fabrics are mainly concentrated in the United States (41% of the world), Western Europe accounts for 30%, Japan accounts for 8%, and China's output accounts for only 3.5% of the world, and its consumption is 17.5% in the world.
Artificial fiber still dominates the production of nonwovens, and there will be no big change until 2007. In the world, 63% of the fibers used in the production of non-woven fabrics are polypropylene, 23% are polyester, 8% is viscose, 2% is acrylic fiber, 1.5% is polyamide, and the remaining 3% is other fibers.
The application of non-woven fabrics in health absorbing materials, medicine, transportation and shoe making textiles has increased significantly.
Two. Production and consumption of non-woven fabrics
The global non-woven fabric consumption was 800 thousand tons in 1983, compared with 1 million 100 thousand tons in 1985 and 1 million 400 thousand tons in 1988. By 1998, the global non-woven fabric consumption reached 2 million 400 thousand tons. It was expected to reach 3 million 700 thousand tons in 2005.
The consumption of synthetic fibers for various textiles was 16 million 900 thousand tons in 1983, to 20 million 400 thousand tons in 1988 and 30 million 400 thousand tons in 1998. It is expected to consume 37 million tons in 2005 and 38 million 300 thousand tons in 2007.
The growth rate of the consumption of man-made fibres in the production of nonwovens is estimated to reach 10% in 2005, and 10.4% in 2007. The increase in the consumption of non-woven industry is partly due to the increase of auxiliary industries in China, Southeast Asia, Latin America and the Middle East.
Three. Factors affecting the growth rate of non-woven fabrics
All the factors that affect the growth of artificial fibers have more or less impact on textiles with artificial fiber as raw materials, which have the greatest impact on non-woven fabrics. The increase of population is more important to non-woven fabrics than other clothing textiles. But if we consider the important application of non-woven fabrics in baby diapers, population growth is also an important factor. Natural fibers are partly replaced by textiles, but have little effect on non-woven fabrics, because the production of non-woven fabrics is basically dependent on artificial fibers.
The commercial development of artificial fiber and the professional application of non-woven fabric: the trade of microfiber, composite fiber, biodegradable fiber and new type polyester fiber has been increased because of the establishment of international economic treaties. This has great influence on nonwovens, but it has little influence on clothing and knitted fabrics. Instead of textiles and other products, this includes the non-woven fabric, knitted fabric, plastic film, polyurea foam, wood pulp, leather and so on. This is determined by the cost and performance requirements of the product. The introduction of new more economical and more effective production processes: the application of various articles made of polymers, the competitive non-woven fabrics, and the introduction of special fiber and non-woven fabric additives.
The three major fibers used for non-woven production are polypropylene fiber (62% of the total), polyester fiber (24% of total) and viscose fiber (8% of the total). Viscose fiber is the most widely used in the production of non-woven fabrics in 1970~1985 years. In the past 2000-2005 years, the application of polypropylene fiber and polyester fiber has begun to dominate in the field of health absorbing materials and medical textiles. In the early non-woven production market, the amount of nylon was very large. Since 1998, the amount of acrylic fiber began to rise, especially in the field of artificial leather manufacturing.
There are many large scale projects in China's construction, such as the Three Gorges project, the Xiaolangdi Dam project, the environmental protection project, the western development, the infrastructure construction and so on. All these will greatly promote the consumption of geotextiles, filter materials, waterproof materials, and packaging materials. In addition, the increase of domestic consumers' income will also promote the consumption of all kinds of sanitary absorbent products and air filter materials, medical and health supplies and labor insurance style articles. So, Chinese textile future there is great potential for growth.
Main products
Non-woven quilt
The manual of non woven fabric is made with non woven fabric (the right map is made with non woven fabric). More and more handmade enthusiasts have joined the manual production of non woven fabric, because
1. non woven fabrics are special, thicker and harder than the ordinary cloth, and the cotton cloth will not fall off the thread and so on. It is convenient to sew.
2., the fabric made of nonwoven fabrics is lovely and lifelike, giving gifts can express their intentions.
3., the nonwovens have different colors. You can design different patterns, non-woven books, non-woven cakes, non-woven dolls, and non-woven bags. We can all make it through our hands.
4. non woven fabric with domestic cloth and imported cloth, the domestic cloth is thin, soft and easy to hair, the imported cloth is relatively thick, flat, clean, good hand, hand making is more ideal.
Disposable supplies
Medical nonwoven fabrics are medical and health textiles made of chemical fibers, including polyester, polyamide, polytetrafluoroethylene (PTFE), polypropylene, carbon fiber and glass fiber. Including disposable masks, protective clothing, surgical clothes, isolation clothes, experimental clothes, nurse cap, operation cap, doctor hat, operation bag, parturient bag, first aid package, diaper, pillow case, bed sheet, quilt, shoe cover and other disposable medical consumables. Compared with traditional cotton woven medical textiles, medical nonwoven fabric has the characteristics of high filtration of bacteria, dust, low infection rate, convenient disinfection and sterilization, and easy to compound with other materials. Medical nonwoven products, as disposable disposable articles, not only use convenience, safety and health, but also effectively prevent bacterial infection and iatrogenic cross infection. In China, the investment in the medical and health industry has reached over hundreds of billions of yuan, of which the total output value of sanitary products and materials is about 64 billion yuan, and it has developed in the direction of diversification.
Flour Sack
The flour bag with non-woven fabric, which has the characteristics of light quality, environmental protection, moisture proof, breathable, flexible, flame-retardant, non-toxic and non irritating and recyclable, is an internationally recognized environmental protection product for protecting the earth. It is widely used in small rice flour, corn flour and buckwheat flour. Rice and so on. This kind of non-woven fabric products use ink and ink printing, beautiful and generous, vivid, non-toxic, tasteless and volatile, more environmentally friendly and clean than ink printing, fully meet the requirements of the environmental protection of modern people. Because the product quality is reliable, the price is substantial, and the service life is long. Main specifications 1 kg, 2.5 kg, 5 kg, 10 kg of rice and other specifications of hardcover bags and packing bags etc..
Fashion shopping bag
Non woven bag (also called nonwoven bag, English: Nonwoven bags) is a green product. It is tough, durable, beautiful in shape, good in air permeability, can be used repeatedly and washable. It can be used for advertising, shipping mark and long use. It is suitable for any company and any industry as advertising and gift. At the same time, consumers get a beautiful non-woven bag while shopping, and the merchants get the invisible advertising and publicity, so the non-woven fabric is becoming more and more popular in the market.
It is a new generation of environmental protection material, which has the characteristics of moistureproof, breathable, flexible, light, non combustion, easy decomposition, nontoxic and non irritating, rich in color, low in price and recyclable. The material is naturally decomposed for 90 days outside, and it has been put in room for up to 5 years. It is nontoxic, tasteless and without any leftovers. It does not pollute the environment and is internationally recognized as an environmental protection product for the protection of the earth's ecology.
