公开(公告)号：US20170002194A1

公开(公告)日：2017-01-05

申请号：US15115404

申请日：2015-01-27

Applicant: WINTECH POLYMER LTD.

Inventor： Takuma Ishikawa ,  Takayuki Ishikawa ,  Kazuya Goshima

IPC: C08L67/02

CPC classification number: C08L67/02 ,  C08K5/103 ,  C08L23/06 ,  C08L2201/08 ,  C08L2205/06

Abstract: Provided is a polybutylene terephthalate resin composition having excellent mold releasability, measurement stability and hydrolysis resistance, and exhibiting minimal discoloration under high-temperature conditions. The polybutylene terephthalate resin composition contains: (A) a polybutylene terephthalate resin, (B) a higher fatty acid ester of pentaerythritol, and (C) a low-molecular weight polyethylene having a number-average molecular weight of 3,000 to 7,000. It is preferable that the component (B) is pentaerythritol tetrastearate, and that the component (C) is a low-molecular weight polyethylene having a number-average molecular weight of 4,500 to 5,500.

Abstract translation: 提供了具有优异的脱模性，测量稳定性和耐水解性的聚对苯二甲酸丁二醇酯树脂组合物，并且在高温条件下显示出最小的变色。 聚对苯二甲酸丁二醇酯树脂组合物含有：（A）聚对苯二甲酸丁二醇酯树脂，（B）季戊四醇的高级脂肪酸酯，（C）数均分子量为3,000〜7000的低分子量聚乙烯。 优选组分（B）是季戊四醇四硬脂酸酯，组分（C）是数均分子量为4500-5,500的低分子量聚乙烯。

公开(公告)号：US09663652B2

公开(公告)日：2017-05-30

申请号：US15115404

申请日：2015-01-27

Applicant: WinTech Polymer Ltd.

Inventor： Takuma Ishikawa ,  Takayuki Ishikawa ,  Kazuya Goshima

IPC: C08G63/02 ,  C08L67/02

CPC classification number: C08L67/02 ,  C08K5/103 ,  C08L23/06 ,  C08L2201/08 ,  C08L2205/06

Abstract: Provided is a polybutylene terephthalate resin composition having excellent mold releasability, measurement stability and hydrolysis resistance, and exhibiting minimal discoloration under high-temperature conditions. The polybutylene terephthalate resin composition contains: (A) a polybutylene terephthalate resin, (B) a higher fatty acid ester of pentaerythritol, and (C) a low-molecular weight polyethylene having a number-average molecular weight of 3,000 to 7,000. It is preferable that the component (B) is pentaerythritol tetrastearate, and that the component (C) is a low-molecular weight polyethylene having a number-average molecular weight of 4,500 to 5,500.