申请人:TEIJIN LIMITED
公开号:EP0366102A2
公开(公告)日:1990-05-02
A polyether-ester block copolymer, and filaments formed therefrom, having an enhanced thermal stability of the elastic property thereof and a satisfactory dyeing property, comprises a polymerization product of (A) an acid component comprising as a major ingredient, terephthalic acid, (B) a phosphonium sulfate component comprising a compound of the formula (I):
wherein Z1 = tri- or more valent aromatic or aliphatic group, A1 = ester-forming group, A2 = H or ester-forming group, R1, R2, R3, R4 = alkyl or aryl radical and n = a positive integer, (C) a polymeric glycol component comprising a polyoxyalkylene glycol having an MW of 400 to 6000 and (D) a monomeric glycol component comprising, as a major ingredient, 1,4-butane diol, in which copolymer the component (B) is in an amount of from 0.1 to 5 molar% based on the molar amount of the component (A) and the component (C) is in an amount of from 50 to 80% by weight based on the total weight of the copolymer, and which copolymer has a limiting viscosity number of 1.2 or more, a melting point of 160°C or more, and a 1/2 crystallization time of 10 seconds or less.
一种聚醚-酯嵌段共聚物及其形成的长丝具有增强的弹性热稳定性和令人满意的染色性能,它包括以下物质的聚合产物:(A)酸组分,其主要成分为对苯二甲酸;(B)硫酸磷组分,其主要成分为式(I)化合物:
其中 Z1 = 三价或多价芳香族或脂肪族基团,A1 = 酯形成基团,A2 = H 或酯形成基团,R1、R2、R3、R4 = 烷基或芳基,n = 正整数;(C) 聚合乙二醇组分,包括分子量为 400 至 6000 的聚氧亚烷基乙二醇;(D) 单体乙二醇组分,包括作为主要成分的 1,4-丁二醇,在该共聚物中,组分(B)的含量为 0.1至5摩尔%,组分(C)的含量为共聚物总重量的50%至80%,共聚物的极限粘度值为1.2或更高,熔点为160℃或更高,1/2结晶时间为10秒或更短。