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公开(公告)号：US20140242315A1
公开(公告)日：2014-08-28
申请号：US14272050
申请日：2014-05-07
申请人： WinTech Polymer Ltd.
发明人： Shinya YAMADA
CPC分类号： C08K5/103 , C08K7/14 , C08L67/02 , Y10T428/1397
摘要： A polybutylene terephthalate resin composition which is free from bleeding and other problems, and improves the flowability (melt-flowability) while maintaining the characteristics such as mechanical strength or toughness. To 100 parts by weight of a composition composed of 50 to 90% by weight of (A) a polybutylene terephthalate resin and 10 to 50% by weight of (B) inorganic filler, is blended 0.05 to 5 parts by weight of (C) a glycerin fatty acid ester being composed of glycerin and/or a dehydrated condensate thereof and a fatty acid having 12 or more carbon atoms and having 200 or more hydroxyl value determined by a method specified in the description.
摘要翻译： 没有渗色等问题的聚对苯二甲酸丁二醇酯树脂组合物，同时保持机械强度或韧性等特性，提高流动性（熔融流动性）。 将100重量份由（A）聚对苯二甲酸丁二醇酯树脂组成的50〜90重量％的组合物和（B）无机填料的10〜50重量％混合0.05〜5重量份的（C） 甘油脂肪酸酯由甘油和/或其脱水缩合物和具有12个或更多个碳原子的脂肪酸组成，并且具有通过说明书中规定的方法确定的200或更多羟值。
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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
申请人： WinTech Polymer Ltd.
发明人： Shinya YAMADA , Kazuya GOSHIMA
CPC分类号： C08L67/02 , C08G63/183 , C08J5/04 , C08K5/103 , C08K2201/014
摘要： 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：US20180319976A1
公开(公告)日：2018-11-08
申请号：US15770026
申请日：2016-10-25
申请人： WinTech Polymer Ltd.
发明人： Shinya YAMADA , Kouichi SAKATA
CPC分类号： C08L67/02 , C08K5/29 , C08K5/524 , C08L2203/30
摘要： 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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