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公开(公告)号：US11214680B2
公开(公告)日：2022-01-04
申请号：US16331389
申请日：2017-08-28
Applicant: WinTech Polymer Ltd.
Inventor： Keiichi Osano , Kouichi Sakata
Abstract: A polybutylene terephthalate resin composition containing a polybutylene terephthalate resin, a silicone-based compound having a kinematic viscosity at 25° C. of 1,000 to 10,000 cSt in an amount of 0.5 to 1.8% by mass of the total mass of the polybutylene terephthalate resin composition, and an olefin-based elastomer in an amount of 5 to 20% by mass of the total mass of the polybutylene terephthalate resin composition.
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公开(公告)号：US10336899B2
公开(公告)日：2019-07-02
申请号：US15743715
申请日：2016-07-05
Applicant: WinTech Polymer Ltd.
Inventor： Shotaro Moriya , Kouichi Sakata
Abstract: A polybutylene terephthalate resin composition containing a polybutylene terephthalate resin, 10 to 20% by mass of glass fiber relative to a total mass of the composition, an ethylene/ethyl acrylate copolymer, and an epoxy compound having an epoxy equivalent weight of 600 to 1,500 g/equivalent, and having a comparative tracking index (CTI) of 600 V or higher, measured in accordance with the third edition of IEC 60112.
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公开(公告)号：US20180346712A1
公开(公告)日：2018-12-06
申请号：US15779064
申请日：2016-11-30
Applicant: WinTech Polymer Ltd.
Inventor： Shinya YAMADA , Kazuya GOSHIMA
CPC classification number: C08L67/02 , C08G63/183 , C08J5/04 , C08K5/103 , C08K2201/014
Abstract: Provided is a polybutylene terephthalate resin composition which has further improved fluidity (melt fluidity) while maintaining mechanical characteristics. The polybutylene terephthalate resin composition contains 0.05-5 parts by mass of a glycerin fatty acid ester having a hydroxyl value of 200-400, and 0.05-5 parts by mass of a polyvalent alcohol fatty acid ester having a hydroxyl value of 100 or less, with respect to 100 parts by mass of a polybutylene terephthalate resin. The glycerin fatty acid ester preferably contains glycerin and/or a dehydration condensation product thereof, and a fatty acid having 12 or more carbon atoms.
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公开(公告)号：US20180201778A1
公开(公告)日：2018-07-19
申请号：US15743715
申请日：2016-07-05
Applicant: WinTech Polymer Ltd.
Inventor： Shotaro Moriya , Kouichi Sakata
CPC classification number: C08L67/02 , C08J3/203 , C08J2367/02 , C08J2433/08 , C08J2463/00 , C08K7/14 , C08L23/08 , C08L63/00 , C08L2203/20 , C08L2205/03 , C08L23/0869
Abstract: A polybutylene terephthalate resin composition containing a polybutylene terephthalate resin, 10 to 20% by mass of glass fiber relative to a total mass of the composition, an ethylene/ethyl acrylate copolymer, and an epoxy compound having an epoxy equivalent weight of 600 to 1,500 g/equivalent, and having a comparative tracking index (CTI) of 600 V or higher, measured in accordance with the third edition of IEC 60112.
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15.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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Patent Agency Ranking
公开(公告)号：US20180319976A1
公开(公告)日：2018-11-08
申请号：US15770026
申请日：2016-10-25
Applicant: WinTech Polymer Ltd.
Inventor： Shinya YAMADA , Kouichi SAKATA
CPC classification number: C08L67/02 , C08K5/29 , C08K5/524 , C08L2203/30
Abstract: A polybutylene terephthalate resin composition in which it is possible to effectively suppress discoloration without lowering the heat shock resistance. The polybutylene terephthalate resin composition is part of a molded article having a lightness L* value of 80 or higher as measured using a color difference meter, and includes a polybutylene terephthalate resin having a terminal carboxyl group content of 30 meq/kg or less, a carbodiimide compound, and a phosphite compound; and the phosphite compound content is 0.05-0.15 parts by mass per 100 parts by mass of polybutylene terephthalate resin.
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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：US09434839B2
公开(公告)日：2016-09-06
申请号：US14348084
申请日：2012-09-27
Applicant: WinTech Polymer Ltd.
Inventor： Kouichi Sakata
IPC: C08L67/02 , C08L67/03 , C08J5/12 , B29C65/02 , B29C65/06 , B29C65/08 , B32B27/36 , B32B37/04 , B32B37/06 , C08K7/14 , C08G63/181 , C08G63/183 , C08G63/16
CPC classification number: C08L67/03 , B29C65/02 , B29C65/06 , B29C65/0609 , B29C65/0672 , B29C65/08 , B29C65/14 , B29C65/16 , B29C65/20 , B29C65/8215 , B29C66/114 , B29C66/12443 , B29C66/12449 , B29C66/12469 , B29C66/131 , B29C66/1312 , B29C66/30223 , B29C66/322 , B29C66/54 , B29C66/71 , B32B27/36 , B32B37/04 , B32B37/06 , B32B2367/00 , C08G63/16 , C08G63/181 , C08G63/183 , C08J5/121 , C08J2300/26 , C08J2367/02 , C08J2367/03 , C08K3/013 , C08K7/14 , C08L51/06 , C08L67/02 , Y10T428/31786 , C08K3/0033 , B29K2067/006
Abstract: To provide a polybutylene terephthalate resin composition offering excellent flowability, wherein the resin composition raises the weld strength and heat shock resistance of a welded body obtained by welding together molded products obtained by molding the polybutylene terephthalate resin composition.[Solution] A polybutylene terephthalate resin composition comprising a polybutylene terephthalate resin (A) having a weight-average molecular weight of 60,000-80,000 inclusive and an inorganic filler (B). Preferably, also included is 5-20 mass parts of an elastomer (C) relative to 100 mass parts of the polybutylene terephthalate resin (A).
Abstract translation: [方案]一种聚对苯二甲酸丁二醇酯树脂组合物，其包含重均分子量为60,000-80,000的聚对苯二甲酸丁二醇酯树脂（A）和无机填料（B）。 优选地，相对于100质量份的聚对苯二甲酸丁二醇酯树脂（A），还包括5-20质量份的弹性体（C）。
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19.发明授权Polybutylene terephthalate resin pellets, and production method for said polybutylene terephthalate resin pellets 有权聚对苯二甲酸丁二醇酯树脂颗粒和所述聚对苯二甲酸丁二醇酯树脂颗粒的制备方法公开(公告)号：US09221946B2
公开(公告)日：2015-12-29
申请号：US14368935
申请日：2012-11-20
Applicant: WinTech Polymer Ltd.
Inventor： Kunihiro Hirata , Kazuhito Suzuki , Takayuki Ishikawa
CPC classification number: C08G63/916 , B29C47/0038 , B29K2067/006
Abstract: Provided is technology that causes polybutylene terephthalate resin to react with a reactive compound and reduces the thermal decomposition of the polybutylene terephthalate resin, when performing reactive processing method using the polybutylene terephthalate resin. During production of polybutylene terephthalate resin pellets, the polybutylene terephthalate resin (A) and a reactive compound (B) that reacts with the polybutylene terephthalate resin (A) are reacted such that the difference between the intrinsic viscosity of a polybutylene terephthalate resin composition configuring the polybutylene terephthalate resin pellets and the intrinsic viscosity of a polybutylene terephthalate resin composition configuring a polybutylene terephthalate resin molded article is no more than 0.05 dL/g, and the amount of carboxylic group ends in the resin included in the polybutylene terephthalate resin pellets is adjusted so as to be no more than 25 meq/kg.
Abstract translation: 提供了当使用聚对苯二甲酸丁二醇酯树脂进行反应性处理方法时，使聚对苯二甲酸丁二醇酯树脂与反应性化合物反应并减少聚对苯二甲酸丁二醇酯树脂的热分解的技术。 在聚对苯二甲酸丁二醇酯树脂颗粒的制造过程中，与聚对苯二甲酸丁二醇酯树脂（A）反应的聚对苯二甲酸丁二醇酯树脂（A）和反应性化合物（B）反应，使得构成该聚对苯二甲酸丁二醇酯树脂的聚对苯二甲酸丁二醇酯树脂组合物的特性粘度之差 聚对苯二甲酸丁二醇酯树脂颗粒和构成聚对苯二甲酸丁二醇酯树脂模塑制品的聚对苯二甲酸丁二醇酯树脂组合物的特性粘度不大于0.05dL / g，并且将聚对苯二甲酸丁二醇酯树脂颗粒中包含的树脂中的羧基末端的量调节至 不超过25meq / kg。
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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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