公开(公告)号：US3698895A

公开(公告)日：1972-10-17

申请号：US3698895D

申请日：1970-09-22

申请人： ADDRESSOGRAPH MULTIGRAPH

发明人： SCHULTZ RONALD B

IPC分类号： C08G18/36 ,  C08G18/62 ,  G03G5/05 ,  G03G5/00 ,  G03G7/00

CPC分类号： C08G18/627 ,  C08G18/36 ,  G03G5/0535 ,  G03G5/0571 ,  G03G5/0575

摘要： A PHOTOELECTROSTATIC MEMBER (SHEET MATERIALS SUCH AS PAPER) COATED WITH A LAYER OF A PHOTOCONDUCTIVE INSULATING MATERIAL SUCH AS ZINC OXIDE DISPERSED IN A SPECIAL POLYURETHANE RESIN PRODUCED FROM A FATTY ACID ESTER OF A POLYHYDRIC ALCOHOL, WHEREIN THE POLYHYDRIC ALCOHOL PORTION OF THE ESTER CONTAINS AT LEAST TWO FREE HYDROXYL RADICALS, AND AN ORGANIC POLYISOCYANATE.