发明授权
- 专利标题: Blowing agent blends
- 专利标题(中): 发泡剂混合
-
申请号: US09656539申请日: 2000-09-06
-
公开(公告)号: US06348515B1公开(公告)日: 2002-02-19
- 发明人: Jinhuang Wu , Douglas R. Dillon
- 申请人: Jinhuang Wu , Douglas R. Dillon
- 主分类号: C08G1814
- IPC分类号: C08G1814
摘要:
Foam blowing agents blends of HFC-134a and a pentane selected from n-pentane, i-pentane and i-pentane/cyclopentane are provided, as are polyol premixes and polyurethane foam compositions containing such blends.