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1. 发明申请

US20150148508A1 (METH) ACRYLIC RESIN COMPOSITION 审中-公开
标题翻译：（METH）丙烯酸树脂组合物
公开(公告)号：US20150148508A1
公开(公告)日：2015-05-28
申请号：US14397366
申请日：2013-04-22
申请人： KURARAY CO., LTD.
发明人： Takuro Niimura , Hiroyuki Konishi , Hiroshi Ozawa , Hidemi Kurita , Hideyuki Tamura
IPC分类号： C08J5/00
CPC分类号： C08J5/00 , B29C45/0001 , C08F220/18 , C08J2333/12 , C08L33/12
摘要： A (meth)acrylic resin composition comprising not less than 99.5% by mass of (meth)acrylic resin composed of 80 to 100% by mass of a structural unit derived from methyl methacrylate and 0 to 20% by mass of a structural unit derived from acrylic acid ester, wherein a difference between YI4 and YI1 is not more than 3, in which the YI4 is a yellowness index at optical path length 200 mm of an article obtained by injection molding of the (meth)acrylic resin composition at a cylinder temperature of 280° C. and a molding cycle of 4 minutes, and the YI1 is a yellowness index at optical path length 200 mm of an article obtained by injection molding of the (meth)acrylic resin composition at a cylinder temperature of 280° C. and a molding cycle of 1 minute; and the (meth)acrylic resin composition has a melt flow rate under conditions of 230° C. and 3.8 kg load of not less than 25 g/10 min.
摘要翻译：一种（甲基）丙烯酸树脂组合物，其包含不小于99.5质量％的由（甲基）丙烯酸树脂组成的（甲基）丙烯酸树脂，其由衍生自甲基丙烯酸甲酯的结构单元为80〜100质量％，衍生自甲基丙烯酸甲酯的结构单元为0〜20质量％丙烯酸酯，其中YI4和YI1之间的差不大于3，其中YI4是在（3）丙烯酸树脂组合物在气缸温度下注射成型获得的物品的光程长度200mm处的黄度指数为280℃，成型周期为4分钟，YI1为在（280℃）下，在280℃的温度下注射成型（甲基）丙烯酸树脂组合物得到的制品的光程长度为200mm处的黄度指数。和1分钟的成型周期; （甲基）丙烯酸树脂组合物在230℃，3.8kg负荷条件下的熔体流动速率不低于25g / 10分钟。

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