Patent ID: 8957179
Filing Date: 2015-02-17
Classification: C08G,C08L,D01F,D03D,D06P,D10B,Y10T

Abstract:
1. A method of producing a shape memory polyamide fabric, comprising: adding an aromatic polyvalent carboxylic acid and an aromatic polyvalent amine when polyamide is polymerized, thereby synthesizing a copolyamide prepolymer having an aromatic component, a total amount of which ranges from 0.4 mol % to 10 mol % based on an amount of a raw material for the polyamide; subjecting the copolyamide prepolymer to weaving or knitting, thereby producing a woven or knitted fabric; and subjecting the woven or knitted fabric to a heat treatment under conditions of (1) below and then to a dyeing treatment under conditions of (2) below: wherein Tg is a glass transition temperature of a copolyamide prepolymer, Tx is a heat treatment temperature, Tm is a melting point of a copolyamide prepolymer, and Td is a dyeing temperature.