公开(公告)号：US09200154B2

公开(公告)日：2015-12-01

申请号：US13850575

申请日：2013-03-26

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Kenzo Teramoto ,  Junko Hiroi ,  Masaaki Nakamura

IPC: B32B3/26 ,  B32B27/08 ,  B32B5/16 ,  C08L33/12 ,  C08J9/00 ,  C08J9/20

CPC classification number: C08L33/12 ,  C08J9/00 ,  C08J9/20 ,  C08J2333/12 ,  Y10T428/254 ,  Y10T428/2982

Abstract: The present invention provides porous resin particles made of a polymer of a monomer mixture, wherein the monomer mixture contains, as monomers, at least methyl methacrylate and a (meth)acrylic-based cross-linkable monomer, a content of the methyl methacrylate in the monomer mixture is 1 to 50% by weight, a content of the (meth)acrylic-based cross-linkable monomer in the monomer mixture is 50 to 99% by weight, the porous resin particles have a specific surface area of 130 to 180 m2/g, a pore volume of 0.3 to 0.7 ml/g, and an average pore size of 13 to 16 nm, an amount of unreacted methyl methacrylate remaining in the porous resin particles is 20 ppm or less, and the porous resin particles have a thermal decomposition starting temperature of 260° C. or more.

Abstract translation: 本发明提供由单体混合物的聚合物制成的多孔树脂颗粒，其中单体混合物至少包含甲基丙烯酸甲酯和（甲基）丙烯酸系交联单体，甲基丙烯酸甲酯的含量为 单体混合物为1〜50重量％，单体混合物中（甲基）丙烯酸系交联性单体的含量为50〜99重量％，多孔树脂粒子的比表面积为130〜180平方米 / g，孔体积为0.3〜0.7ml / g，平均孔径为13〜16nm，多孔树脂粒子中残留的未反应甲基丙烯酸甲酯的量为20ppm以下，多孔树脂粒子为 热分解开始温度为260℃以上。