公开(公告)号：US3751329A

公开(公告)日：1973-08-07

申请号：US3751329D

申请日：1971-06-30

Applicant: IT RESINE SPA SOC

Inventor： FONZI G ,  PALEOLOGO T ,  TOSO G

IPC: C08J9/28 ,  C08J9/30 ,  D06N3/00 ,  D06N3/04 ,  D06N3/10 ,  D06N3/14 ,  D06N3/18 ,  B32B3/26

CPC classification number: B32B5/022 ,  B32B5/18 ,  B32B5/20 ,  B32B5/245 ,  B32B27/065 ,  B32B27/40 ,  B32B2266/0207 ,  B32B2305/026 ,  B32B2309/02 ,  B32B2375/00 ,  B32B2437/02 ,  C08J9/28 ,  C08J9/30 ,  C08J2201/0504 ,  D06N3/0086 ,  D06N3/042 ,  D06N3/10 ,  D06N3/145 ,  D06N3/183 ,  Y10S428/904 ,  Y10T428/249978 ,  Y10T442/647

Abstract: POROMERIC MATERIALS, PARTICULARLY LEATHER SUBSTITUTES, HAVE A NON-WOVEN BACKING AND A MICROPOROUS POLYURETHANE FILM FACING, THE INTERMEDIATE LAYER BEING A FOAM COAGULATED FROM A DISPERSION CONTAINING MORE THAN 45% RESIN BY WEIGHT AND AIR IN A VOLUMETRIC RATIO DISPERSION TO AIR OF 1:2 TO 2:1.