What is nylon yarn?
What is nylon yarn? What is nylon wire made of? The nylon chemical name polyamide, the English name Polyamide (abbreviated as PA), is a generic term for thermoplastic resins containing a repeating amide group - [NHCO] in the molecular backbone. These include aliphatic PA, fat-aromatic PA and aromatic PA. Among them, there are many aliphatic PA varieties, large yield, and wide application, and the name is determined by the specific carbon number of the synthetic monomer. performance: Knit Tuque,Knit Polyester Warm Tuque,Work Knit Tuque,Warmly Knit Work Tuque Jingjiang Pingdong Import&Export Co.,Ltd , https://www.jingjiangsocks.com
The main varieties of nylon are nylon 6 and nylon 66, which are absolutely dominant, followed by nylon 11, nylon 12, nylon 610, nylon 612, nylon 1010, nylon 46, nylon 7, nylon 9, nylon 13, new There are nylon 6I, nylon 9T and special nylon MXD6 (barrier resin), etc. Nylon has a wide variety of modified varieties, such as reinforced nylon, monomer cast nylon (MC nylon), reaction injection molding (RIM) nylon, aromatic nylon. , transparent nylon, high impact (super tough) nylon, electroplated nylon, conductive nylon, flame retardant nylon, nylon and other polymer blends and alloys, to meet different special requirements, widely used as metal, wood and other traditional materials Supplies, as a variety of structural materials.
Nylon is the most important engineering plastic, and its output ranks first among the five general engineering plastics.
Nylon is a ductile horny translucent or milky white crystalline resin, and the molecular weight of nylon as an engineering plastic is generally 1.5 to 30,000. Nylon has high mechanical strength, high softening point, heat resistance, low friction coefficient, abrasion resistance, self-lubricating property, shock absorption and sound absorbing property, oil resistance, weak acid resistance, alkali resistance and general solvent, and good electrical insulation. Self-extinguishing, non-toxic, odorless, good weatherability, poor dyeability. The disadvantage is that the water absorption is large, affecting the dimensional stability and electrical properties, and the fiber reinforcement can reduce the water absorption rate of the resin, so that it can work under high temperature and high humidity. Nylon has a very good affinity with glass fiber. Commonly used in making combs, toothbrushes, clothes hooks, fan bones, net bag ropes, fruit packaging bags, etc. Non-toxic, but not in contact with acid and alkali for a long time.
The history of nylon is no stranger to nylon. Nylon products abound in everyday life, but few people know its history. Nylon is a synthetic fiber first developed in the world.
At the beginning of the 20th century, basic scientific research in the corporate world was considered an incredible thing. In 1926, DuPont, the largest industrial company in the United States, for its interest in basic science, recommended that the company conduct basic research on discovering new scientific facts. In 1927, the company decided to pay $250,000 a year for research expenses and began to hire chemical researchers. By 1928, DuPont established the Institute of Basic Chemistry, the 32-year-old Caraces (Wallace H. Carothers, 1896~ 1937) The Ph.D. was appointed as the head of the all-machine chemistry department.
Carothers, an American organic chemist. Born on April 27, 1896 in Wilmington, Iowa. He died in Philadelphia, USA on April 29, 1937. After receiving his Ph.D. from the University of Illinois in 1924, he worked as a teaching and researcher in organic chemistry at the University and Harvard University. In 1928, he was employed in the laboratory of DuPont in Wilmington for organic chemistry research. He hosted a series of studies on the acquisition of high molecular weight materials by polymerization. In 1935, a polymer was prepared using adipic acid and hexamethylenediamine as raw materials. Since both of these components contained 6 carbon atoms, it was called polymer 66. He melts the polymer and presses it through an injection needle, which is called a fiber under tension. This fiber, polyamide 66 fiber, was industrialized in 1939 and was named Nylon. It was the first synthetic fiber to be industrialized.
The synthesis of nylon has laid the foundation for the synthetic fiber industry, and the advent of nylon has given the textile a new look. The nylon stockings woven with this kind of fiber are both transparent and more durable than stockings. In 1939, on the 24th, DuPont public caused a sensation when selling nylon silk stockings at the headquarters, and it was regarded as a rare thing to snap up. The fiber was praised with the words "small as a silky thread, as strong as a steel wire, as beautiful as a silk thread." By May 1940, nylon fiber fabrics were sold throughout the United States.
From the outbreak of the Second World War until 1945, the nylon industry was turned into military products such as parachutes, aircraft tire cords, and military uniforms. Due to the characteristics and wide use of nylon, it developed very rapidly after the Second World War. Nylon products are one of the three synthetic fibers, from stockings, clothing to carpets, fishing nets, etc., in an uncountable manner.
Features 1. DuPont Tactel nylon makes the fabric soft and comfortable, and its good hygroscopicity balances the humidity difference between the air and the body, thus reducing the pressure on the body and adjusting the effect.
2. Particularly lightweight and easy to maintain.
3. Machine washable, drying time is three times faster than cotton, only need to be slightly hot or hot, not easy to deform, with significant anti-wrinkle ability.
4. Thanks to its excellent resilience, it can be stretched back to its original state.