[Advantage of PP yarn and development prospects!]
Release date:[2021/12/16] Read a total of [387] time

Do you have to think about what it is to wear on your body? I think everyone will think of cotton cloth, or silk, etc. However, in fact, the fabric of the clothes is not one or two, often there are many fabrics we can't call them.

It can be actually, but they are not lost in our lives. I believe that everyone can simply say a four-like fabric, then have you heard of the  polypropylene yarn? Have you heard about the introduction of the polypropylene yarn? It is a mixed medium in the blend, and our clothes cloth composition is indispensable. Like. Of course, it still has a lot.

With regard to the introduction of the polypropylene yarn, we will  first start from it, the texture is light, its density is only 0.91g / cm3 is a common type of density in chemical fibers, so the same weight of polypropylene can be higher than other fibers. area. The strength of strong polypropylene is high, the strength is large, the initial modulus is high, and the elasticity is excellent. Therefore, the polypropylene wear resistance; in addition, the moisture of polypropylene is basically equal to the strength, so it is the ideal material for making fishnet, cable, and the moisture and dyeing properties are well warm; almost unheat, but the core suction ability is very strong. Moisture wicking is obvious; the hygroscopicity of polypropylene is small, almost unheathered, and the roll ratio under normal atmosphere is close to zero. In addition, polypropylene insulation is good, but static electricity is easily generated. Since the thermal conductivity of polypropylene is small, the strength is good; the strength of high polypropylene elastic wire is second only to nylon, but the price is only a nylon 1/3; the fabric size is stable, the wear-resistant elasticity is good, chemical stability is good.

The chemical molecules of the polypropylene yarn are also very different, and are polypropylene fibers. Polypropylene has good heat resistance, and the article can be sterilized at a temperature of 100 ° C, which is not deformable at 150 ° C under conditions without external force. The embrittlement temperature is -35 ° C, which occurs below -35 ° C, and cold resistance is not as good as polyethylene. The report value of the polypropylene glass transition has a 18qc, 0qc, 5 ° C, etc., which is also due to the use of different samples, wherein the crystalline phase is different from the amorphous phase, so that the amorphous portion is different in the molecular chain. Cause. The melting temperature of the polypropylene is increased by about 40% by 40%, about 164, 170 ° C, 100%, and the like, and 100%. The chemical stability of the polypropylene is very good, and in addition to the concentrated sulfuric acid, concentrated nitric acid erosion, it is more stable to other various chemical reagents, but the low molecular weight of aliphatic hydrocarbon, aromatic hydrocarbon, etc. can soften polypropylene. Swelling, and its chemical stability increases with the increase in the crystallinity, so polypropylene is suitable for the production of various chemical pipes and fittings, and the anti-corrosion effect is good. It is because there are so many good advantages, and the PP yarns have more and more, the market is getting bigger and bigger.


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