A kind of transparent modified nylon fiber with low heat change temperature and its preparation method
A technology of modifying nylon and changing temperature, which is applied in the field of textile materials, can solve the problems of low thermal denaturation of thermoplastic materials, etc., and achieve excellent processability, good transparency, and good transparency
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Embodiment 1
[0027] (1) Borax is placed in a ball mill, fully ground at a speed of 600r / min for 20h, and dried at a temperature of 60°C to obtain micro-nano borax powder with a particle size of 500nm.
[0028] (2) By weight, 100 parts of PA PACM12 type nylon slices are placed in an oven and fully dried to a moisture content of 1%, fully mixed with the micro-nano-level borax powder prepared by 1 part of step (1), placed in Treat in a heating device at 260°C for 10 hours to form a molten liquid, and then rapidly cool to room temperature within 15 minutes to obtain a modified masterbatch.
[0029] (3) The modified masterbatch prepared in step (2) is ground into powder particles with a particle diameter of 1 μm, mixed with 20 parts of butyl rubber, and the as-spun fibers are obtained after melt spinning, and the as-spun fibers are first The temperature was raised to 100°C, and then lowered to room temperature at a rate of 10°C / min to obtain a transparent modified nylon fiber with a low thermal...
Embodiment 2
[0031] (1) Borax is placed in a ball mill, fully ground at a speed of 800r / min for 36h, and dried at a temperature of 80°C to obtain micro-nano borax powder with a particle size of 1000nm.
[0032] (2) In parts by weight, the PA PACM12 type nylon chips of 100 parts are placed in an oven and fully dried to a moisture content of 3%, fully mixed with the micronano-level borax powder prepared by 15 parts of steps (1), placed in Treat in a heating device at 270°C for 15 hours to form a molten liquid, and then rapidly cool to room temperature within 30 minutes to obtain a modified masterbatch.
[0033] (3) The modified masterbatch prepared in step (2) is ground into powder particles with a particle diameter of 2 μm, mixed with 40 parts of butyl rubber, and the as-spun fibers are obtained after melt spinning, and the as-spun fibers are first The temperature was raised to 100°C, and then lowered to room temperature at a rate of 10°C / min to obtain a transparent modified nylon fiber wit...
Embodiment 3
[0035] (1) Put borax in a ball mill, fully grind it at a speed of 700 r / min for 24 hours, and dry at a temperature of 70° C. to obtain micro-nano borax powder with a particle size of 800 nm.
[0036] (2) In parts by weight, the PA PACM12 type nylon chips of 100 parts are placed in an oven and fully dried to a moisture content of 2%, fully mixed with the micronano-level borax powder prepared by 5 parts of steps (1), placed in Treat in a heating device at 265°C for 12 hours to form a molten liquid, and then rapidly cool to room temperature within 20 minutes to obtain a modified masterbatch.
[0037] (3) The modified masterbatch prepared in step (2) is ground into powder particles with a particle size of 1.5 μm, mixed with 30 parts of butyl rubber, and the as-spun fibers are obtained after melt spinning, and the as-spun fibers are The temperature was first raised to 100°C, and then lowered to room temperature at a rate of 10°C / min to obtain a transparent modified nylon fiber with...
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