公开(公告)号：US20150126658A1

公开(公告)日：2015-05-07

申请号：US14400532

申请日：2013-03-14

Applicant: WINTECH POLYMER LTD.

Inventor： Shiya Yamada ,  Kouichi Sakata ,  Kazuya Goshima

IPC: C08K5/11

CPC classification number: C08K5/11 ,  C08K5/103 ,  C08K5/29 ,  C08L67/02

Abstract: Provided is a means for obtaining a polybutylene terephthalate resin composition that exhibits excellent hydrolysis resistance and high fluidity in a molten state. A carbodiimide compound (B) and a polyhydric hydroxyl group-containing compound (C) are added to a polybutylene terephthalate resin (A) having a terminal carboxyl group content of 30 meq/kg or lower. The polyhydric hydroxyl group-containing compound (C) that is used has a hydroxyl group value of 200 or higher. It is preferable for the polybutylene terephthalate resin (A) to have an intrinsic viscosity of 0.6 dL/g or higher.

Abstract translation: 提供了获得在熔融状态下表现出优异的耐水解性和高流动性的聚对苯二甲酸丁二醇酯树脂组合物的方法。 将碳二亚胺化合物（B）和含有多羟基的化合物（C）加入末端羧基含量为30meq / kg以下的聚对苯二甲酸丁二醇酯树脂（A）中。 所用的含多羟基化合物（C）的羟基值为200以上。 聚对苯二甲酸丁二醇酯树脂（A）的特性粘度优选为0.6dL / g以上。