发明授权
- 专利标题: Process for production of flame-resistant and smoke-retardant polyurethane foams
- 专利标题(中): 制造阻燃和阻燃聚氨酯泡沫的方法
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申请号: US663143申请日: 1976-03-02
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公开(公告)号: US4098732A公开(公告)日: 1978-07-04
- 发明人: Toshio Yukuta , Takashi Ohashi , Minoru Kojima , Masumi Saito
- 申请人: Toshio Yukuta , Takashi Ohashi , Minoru Kojima , Masumi Saito
- 申请人地址: JP Tokyo
- 专利权人: Bridgestone Tire Co., Ltd.
- 当前专利权人: Bridgestone Tire Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 优先权: JP48-143692 19731225
- 主分类号: C08G18/22
- IPC分类号: C08G18/22 ; C08G18/48 ; C08G18/66 ; C08G18/32 ; C08G18/14
摘要:
A flame-resistant and smoke-retardant polyurethane foam is produced by reacting a polyisocyanate with a polyhydroxyl compound in the presence of an alkaline earth metal salt of a carboxylic acid and a foaming agent.
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