公开(公告)号：US11180647B2

公开(公告)日：2021-11-23

申请号：US16108345

申请日：2018-08-22

申请人： Shin-Etsu Chemical Co., Ltd.

发明人： Yoshihito Sasada ,  Toshiki Kawabata ,  Junichi Kawashima ,  Osamu Matsumoto

IPC分类号： C08L27/06 ,  C08K3/26 ,  C08K9/04 ,  B29C45/00 ,  B29C69/02 ,  C08J3/20 ,  B29K27/06 ,  B29L7/00 ,  B29L23/00 ,  C08K5/09

摘要： The present invention provides a polyvinyl chloride-based rigid molded product containing 10 to 40 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm per 100 parts by weight of a polyvinyl chloride-based resin having an average polymerization degree of 500 to 1,500, wherein a variation coefficient of the number of calcium carbonate particles in partitioning analysis of a cross section of the molded product is 15% or less, and a method for manufacturing the same.

公开(公告)号：US20190062543A1

公开(公告)日：2019-02-28

申请号：US16108345

申请日：2018-08-22

申请人： Shin-Etsu Chemical Co., Ltd.

发明人： Yoshihito Sasada ,  Toshiki Kawabata ,  Junichi Kawashima ,  Osamu Matsumoto

IPC分类号： C08L27/06 ,  C08K3/26 ,  C08K9/04 ,  B29C45/00 ,  B29C69/02

摘要： The present invention provides a polyvinyl chloride-based rigid molded product containing 10 to 40 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm per 100 parts by weight of a polyvinyl chloride-based resin having an average polymerization degree of 500 to 1,500, wherein a variation coefficient of the number of calcium carbonate particles in partitioning analysis of a cross section of the molded product is 15% or less, and a method for manufacturing the same.