公开(公告)号：US20230159720A1

公开(公告)日：2023-05-25

申请号：US17920155

申请日：2021-04-30

Applicant: SEKISUI CHEMICAL CO., LTD.

Inventor： Hiroyuki MORITA ,  Takeshi WAKIYA ,  Tatsuya MATSUKUBO ,  Yumi KANEKO ,  Shuhei OBINATA

IPC: C08J9/20 ,  C08J9/232 ,  C08J9/00 ,  C08J3/22 ,  C08J9/14 ,  C08L39/06 ,  B01J13/18

CPC classification number: C08J9/20 ,  C08J9/232 ,  C08J9/0061 ,  C08J3/226 ,  C08J9/141 ,  C08L39/06 ,  B01J13/18 ,  C08J2203/14 ,  C08J2203/22 ,  C08J2339/06 ,  C08J2333/20 ,  C08L2203/14

Abstract: The present invention provides a thermally expandable microcapsule that has excellent heat resistance and compression resistance and that enables the production of a foam molded article that is less likely to undergo deterioration or appearance defects over a long period of time, as well as a foamable masterbatch and a foam molded article each produced using the thermally expandable microcapsule. Provided is a thermally expandable microcapsule including a shell and a volatile expansion agent as a core agent encapsulated by the shell, the shell containing a black material and a polymer compound.

公开(公告)号：US20210061820A1

公开(公告)日：2021-03-04

申请号：US16958496

申请日：2018-12-28

Applicant: SEKISUI CHEMICAL CO., LTD. ,  SEKISUI MEDICAL CO., LTD.

Inventor： Mai YAMAGAMI ,  Shuhei OBINATA ,  Takeshi WAKIYA ,  Maasa YAJI

IPC: C07F5/00 ,  G01N33/545 ,  C08L25/06 ,  C08L33/12 ,  C08L47/00 ,  C08K5/56 ,  C09K11/06

Abstract: Metal complex particle including a magnetic material and a particle size adjusting composition containing a hydrophobic polymer, with the magnetic material including a metal complex consisting of a metal ion and a ligand and having both magnetism and fluorescence, and a content of the particle size adjusting composition in the metal complex particle being less than 60 w %.