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Non-woven bags are made of what material
时间:2017-10-12 16:58   浏览:
Often someone advice is made of non-woven bags made of materials, and today Yongjie packaging Xiaobian for everyone to analyze this problem;
 
The main material made of non-woven bags is non-woven.
 
What is nonwovens? What are the advantages and disadvantages of non-woven fabrics? How to maintain it?
 
What is nonwovens
 
Non-woven, also known as non-woven, is made of directional or random fiber, is a new generation of environmentally friendly materials, with moisture, breathable, flexible, light, non-combustion, easy to break down, non-toxic non-irritating, rich colors, Low, recyclable and so on. Such as the use of polypropylene (pp material) pellets as raw materials, high temperature melting, spinning, paving, hot coiling continuous production from one step. Due to the appearance of cloth and some of the performance and called the cloth.
 
Nonwovens are not latitude and longitude, tailoring and sewing are very convenient, and easy to shape light, loved by the enthusiasts.
 
Because it is a fabric does not require the formation of woven fabrics, but the textile short fibers or filaments oriented or randomly arranged to form a network structure, and then use mechanical, thermal or chemical methods such as reinforcement from.
 
It is not woven by a single yarn, knitted together, but the fiber directly through the physical method of bonding together, so when you get your clothes in the sticky, you will find, Is not a root of the thread. Nonwovens break through the traditional textile principle, and has a short process flow, the production rate is fast, high yield, low cost, wide use, raw material source and so on.
 
Non-woven fabrics according to the composition, there are polyester, polypropylene, nylon, spandex, acrylic, etc .; different ingredients will be very different non-woven style.
 
The nonwoven fabric is a nonwoven fabric which is used directly by high polymer chips, short fibers or filaments to pass the fibers through airflow or mechanically web, and then through spunlace, needles, or hot-rolled reinforcement, and finally after finishing The formation of non-woven fabric. With the soft, breathable and flat structure of the new fiber products, the advantage is not produce fiber debris, tough, durable, silky soft, but also a reinforced material, but also the feeling of cotton, cotton and cotton compared to non-woven Cloth bag easy to shape, and the cost of cheap.
 
Advantages of nonwovens:
 
1. Light weight: polypropylene resin as the main production of raw materials, the proportion of only 0.9, only three-fifths of cotton, with fluffy, feel good
 
2. Soft: composed of fine fibers (2-3D) light-like hot-melt adhesive forming. Finished softness moderate, with a sense of comfort.
 
3. Water, breathable: polypropylene slices do not absorb water, moisture content of zero, finished water good, 100% fiber from the composition of porous, good ventilation, easy to keep the fabric dry, easy to wash.
 
4. Non-toxic, non-irritating: products used in line with FDA food-grade raw materials production, excluding other chemical composition, stable performance, non-toxic, no smell, do not stimulate the skin.
 
5. Antimicrobial, anti-chemical: Polypropylene is a chemical blunt material, not moth, and can isolate the existence of bacteria and insects within the erosion of bacteria; antibacterial, alkali corrosion, the product does not affect the intensity due to erosion.
 
6. Antibacterial. Products with water, not mold, and can isolate the existence of bacteria within the liquid and insect erosion, not mildew.
 
7. Good physical properties. From polypropylene spinning directly paved into a hot bond, the strength of the product is better than the general staple fiber products, the strength of non-directional, vertical and horizontal intensity similar.
 
8. In terms of environmental protection, the raw material used in most nonwovens is polypropylene, and the raw material of plastic bags is polyethylene, although the two substances are similar in name, but the chemical structure is very different. Polyethylene chemical structure has a very strong stability, very difficult to degrade, so the plastic bags need 300 years to break down; and polypropylene chemical structure is not strong, the molecular chain is easy to break, which can be effectively degraded , And in the non-toxic form into the next cycle of the environment, a non-woven shopping bags in 90 days can be completely decomposed. And non-woven shopping bags can be reused more than 10 times, the pollution of the environment after the pollution is only 10% of plastic bags.
 
Disadvantages of nonwovens:
 
1) Poor strength and durability compared to textile fabrics.
 
2) can not be washed like other fabrics.
 
3) fibers arranged in a certain direction, so easy to split from the right angle and so on. Therefore, the improvement of production methods is mainly to prevent the improvement of the split.
 
Non-woven maintenance:
 
1, to keep clean, often wash, to prevent the worms breeding.
 
2, seasonal storage, to be washed, ironing, dry after the plastic bag storage, flat on the closet. Pay attention to shading to prevent fading. Should be frequent ventilation, dust to wet, not exposure. Wardrobe to be put into the mold, anti-insect tablets, so as to avoid cashmere products damp moldy insects.
 
3, when wearing a coat with its lining to be smooth, pocket the use of hard objects such as pen, key cases, mobile phones, etc., so as not to local friction from the ball. Wear as much as possible to reduce the friction with the hard objects (such as sofa backrest, handrails, desktop) and hook. Wearing time is not too long, about 5 days to stop wearing or wear, so that clothing to restore elasticity, so as to avoid damage to fiber fatigue.
 
4, if the ball, not a strong pull, the need to use scissors will be cut down the ball, so as to avoid off-line can not repair.