发明名称 |
Method of producing flameproof polyisocyanurate foams |
摘要 |
A method of producing flameproof polyisocyanurate foams is disclosed. When the foam is produced by reacting an organic polyisocyanate with polyols as a modifying agent in the presence of an isocyanate trimerization catalyst, a blowing agent and other additives, a combination of particular low molecular weight diols with particular high molecular weight polyether polyols is used as the polyol in a special weight ratio and a special total amount per 100 parts by weight of the organic polyisocyanate in the presence of special combination of an alkali metal salt of a carboxylic acid and a tertiary amine compound as the catalyst.
|
申请公布号 |
US4256846(A) |
申请公布日期 |
1981.03.17 |
申请号 |
US19790059430 |
申请日期 |
1979.07.20 |
申请人 |
BRIDGESTONE TIRE CO., LTD. |
发明人 |
OHASHI, TAKASHI;OKUYAMA, TORU;KANEDA, HIROSHI;TANIGUCHI, YOSHIKO;YOSHIDA, MASAKO |
分类号 |
C08G18/00;C08G18/02;C08G18/09;C08G18/16;C08G18/65;C08G18/66;C08G18/67;C08G18/76;(IPC1-7):C08G18/14;C08G18/20 |
主分类号 |
C08G18/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|