Modacrylic is a modified polyacrylonitrile fiber.
Modacrylic fibre modacrylic fibre is also known as modified polyacrylonitrile fibre. Synthetic fiber made of linear polymer copolymer containing 35% to 85% of acrylonitrile monomer. The American Union Carbide Company began industrial production in 1948 under the trade name Dynel.
There are two main types of modified polyacrylonitrile fibers that are industrially produced recently: fibers made from copolymers of acrylonitrile and vinyl chloride; fibers made from copolymers of acrylonitrile and vinylidene chloride, namely, polyacrylonitrile fiber. These two types of modified polyacrylonitrile fibers are sometimes collectively referred to as acrylonitrile fibers, which have good flame resistance.
Synthetic fiber classification:
1. Classified by structure:
1. Carbon chain synthetic fibers, such as polypropylene fiber (polypropylene fiber), polyacrylonitrile fiber (acrylic fiber), polyvinyl formal fiber (vinylon).
2. Hetero-chain synthetic fibers, such as polyamide fiber (nylon), polyethylene terephthalate (polyester), etc.
2. Classified by function:
1. High-temperature resistant fiber, such as polybendazole fiber
2. High temperature corrosion resistant fiber, such as polytetrafluoroethylene.
3. High-strength fibers, such as poly-p-phenylene terephthalamide.
4. Radiation resistant fiber, such as polyimide fiber.
5. In addition, there are flame retardant fibers, polymer optical fibers, etc.
