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Your Position: Home - Rubber Products - What are the advantages, disadvantages and applications ...

What are the advantages, disadvantages and applications ...

Author: Susanna

Dec. 02, 2024

What are the advantages, disadvantages and applications ...

The biggest advantage is that it is strong and wear-resistant, which is the best one. Low density, light fabric, good elasticity, fatigue resistance, good chemical stability, alkali resistance but not acid resistance!

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The biggest disadvantage is that the sun resistance is not good, the fabric will turn yellow after a long time, the strength will decrease, and the moisture absorption is not good, but it is better than acrylic and polyester.


Application: Filament, mostly used in knitting and silk industries; staple fiber, mostly blended with wool or wool-type chemical fiber, for gabardine, vanedin, etc. Industry: cords and fishing nets, can also be used as carpets, ropes, conveyor belts, screens, etc.

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Nylon 6 Yarn and Nylon 66 Yarn

There are many varieties of nylon yarn, the most important of which are nylon 6 yarn and nylon 66 yarn. The outstanding feature of nylon yarn is its excellent wear resistance, ranking first among all fibers, 10 times that of cotton yarn. The elasticity of nylon yarn is also very good, and it has good moth resistance and corrosion resistance. Nylon fabrics are light-weight fabrics, and are only listed after polypropylene and acrylic fabrics in synthetic fabrics. 

Main advantage: Higher abrasion resistance than all other fibers. The best wear resistance. High elastic recovery rate.

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Disadvantages: poor heat resistance and light resistance. The hold is also poor, not as stiff as polyester. Hygroscopicity and dyeability are poor.

Application Of Nylon Yarn

In the textile field, nylon is mainly filament yarn, and a small amount of short fiber is mainly used for blending with wool, cotton or other chemical fibers, in order to improve the strength and wear resistance of the fabric. Part of nylon filament yarn is used for silk, gauze, lace, etc., and most of it is processed into elastic yarn, which is used to make socks, nylon shirts, gloves, etc. that are durable. Industrial nylon yarn accounts for more than 40%. Because nylon yarn has high strength, fatigue resistance, strong impact resistance and good affinity with rubber, it is suitable for making tire cords such as trucks and airplanes. Cotton fishing nets are 4 to 5 times longer. In addition, it is also used for cables, parachutes, soft ladders, conveyor belts and nylon ropes.

Development History Of Nylon 6 Yarn And Nylon 66 Yarn

  • In , DuPont Carothers of the United States successfully researched the polycondensation of adipic acid and hexamethylene diamine into "nylon 66" polymer. From to , the technology of making nylon 66 yarn by melt spinning was discovered. It was industrialized by the American DuPont Company at the end of .

  • In , the German IG company Schlak successfully used a single caprolactam as a raw material, and aminocaproic acid as an initiator to heat and polymerize to make polycaprolactam. In , the experimental production of nylon 6 yarn was carried out. In , it was industrially produced by the German company Farben.

Physical Properties Of Nylon 66 And Nylon 6

Nylon 6 is polycaprolactam, while nylon 66 is polyhexamethylene diamine adipic acid. Nylon 66 is 12% harder than nylon 6, and theoretically, the higher the hardness of nylon, the more brittle the fiber is, and the easier it is to break. But in the use of carpets this small difference is indistinguishable. 

Features Of Nylon 66 Yarn

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