发明名称 Scorch resistant additives for polyurethane foams
摘要 Polyester polyols which contain at least one dihydrazide linkage -C(=O)-NHNH-C(=O)- reduce the incidence of scorching when used as a reactant in the manufacture of polyurethane foam. Also disclosed are compounds of structures (2) and (3):D-HN(-NH-C(=O)-R-C(=O)NH)0-1-NH-D(2)(A-C(=T)-NH)-2(3)
申请公布号 US6051620(A) 申请公布日期 2000.04.18
申请号 US19970873308 申请日期 1997.06.11
申请人 CK WITCO CORPORATION 发明人 BECHARA, IBRAHIM;BARANOWSKI, THOMAS R.;STOGIS, JAMES;MORONG, THOMAS H.
分类号 C07C243/28;C08G18/38;C08G18/46;C08G18/50;C08G18/66;C08G63/91;C08G73/00;C08G73/02;(IPC1-7):C08L75/00 主分类号 C07C243/28
代理机构 代理人
主权项
地址