公开(公告)号：EP4446112A1

公开(公告)日：2024-10-16

申请号：EP22903648.8

申请日：2022-12-07

申请人： NISSAN MOTOR CO., LTD. ,  Renault s.a.s ,  Seiren Co., Ltd.

发明人： KURODA, Motohiko ,  YAMAZAKI, Moe ,  TAKESHITA, Kyosuke

IPC分类号： B32B27/20 ,  B32B27/40 ,  D06N3/00 ,  D06N7/00

摘要： An object of the present invention is to provide a skin material excellent in tactile sensation.
The present invention provides a skin material having at least a topcoat layer, wherein an arithmetic mean roughness Ra of a surface of the topcoat layer is 12 um or less, an average spacing S of convex portions of the surface of the topcoat layer is 250 to 450 um, and the topcoat layer contains resin beads with an average particle size of 5 to 20 um.

公开(公告)号：EP4414499A1

公开(公告)日：2024-08-14

申请号：EP22878465.8

申请日：2022-10-03

申请人： Seiren Co., Ltd.

发明人： TAKESHITA, Kyosuke

IPC分类号： D06N3/00 ,  B32B5/24 ,  B32B27/12

CPC分类号： D06N3/00 ,  B32B27/12 ,  B32B5/24

摘要： A synthetic leather (10) includes a fibrous base material (20) and a porous resin layer (30). The porous resin layer (30) is laminated on the fibrous base material (20). The porous resin layer (30) has a plurality of holes (40). The porous resin layer (30) contains a plurality of hollow particles (43) in a resin serving as a base material of the porous resin layer (30). The plurality of hollow particles (43) is dispersed in the resin serving as the base material of the porous resin layer (30). The hollow particle (43) has the hole (40) inside.