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公开(公告)号：US09957375B2
公开(公告)日：2018-05-01
申请号：US14386141
申请日：2013-03-15
Applicant: TEIJIN LIMITED , WinTech Polymer Ltd.
Inventor： Ryuji Nonokawa , Shinichiro Shoji , Shinya Yamada , Kouichi Sakata , Kazuya Goshima
Abstract: A resin composition including an aromatic polyester resin and having high levels of hydrolysis resistance and moldability is provided. The resin composition includes an aromatic polyester resin having a terminal carboxyl group content of not more than 30 eq/ton (component A), a cyclic carbodiimide compound having at least two carbodiimide rings, each having only one carbodiimide group (component B), and a polyvalent hydroxyl group-containing compound having a hydroxyl value of not less than 200 (component C).
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Patent Agency Ranking
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。
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3.发明申请POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION AND HYDROLYSIS RESISTANCE-IMPROVING AGENT 有权聚丁烯特辛酸酯树脂组合物和抗水解改性剂公开(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
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。
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4.发明授权Polybutylene terephthalate resin composition and hydrolysis resistance-improving agent 有权聚对苯二甲酸丁二醇酯树脂组合物和耐水解性改进剂公开(公告)号：US09522987B2
公开(公告)日：2016-12-20
申请号：US14400532
申请日：2013-03-14
Applicant: WINTECH POLYMER LTD.
Inventor： Shinya Yamada , Kouichi Sakata , Kazuya Goshima
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。
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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
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.
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公开(公告)号：US20150051324A1
公开(公告)日：2015-02-19
申请号：US14386141
申请日：2013-03-15
Applicant: TEIJIN LIMITED , Wintech Polymer Ltd.
Inventor： Ryuji Nonokawa , Shinichiro Shoji , Shinya Yamada , Kouichi Sakata , Kazuya Goshima
Abstract: A resin composition including an aromatic polyester resin and having high levels of hydrolysis resistance and moldability is provided. The resin composition includes an aromatic polyester resin having a terminal carboxyl group content of not more than 30 eq/ton (component A), a cyclic carbodiimide compound having at least two carbodiimide rings, each having only one carbodiimide group (component B), and a polyvalent hydroxyl group-containing compound having a hydroxyl value of not less than 200 (component C).
Abstract translation: 提供了包含芳族聚酯树脂并具有高耐水解性和成型性的树脂组合物。 该树脂组合物包含末端羧基含量为30eq / ton以下的芳香族聚酯树脂（A成分），具有至少2个碳二亚胺环的碳二亚胺化合物，仅具有一个碳二亚胺基（B成分），和 羟值为200以上的多元羟基化合物（C成分）。
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