发明授权
- 专利标题: Blowing agent-containing polymeric MDI compositions
- 专利标题(中): 含发泡剂的聚合MDI组合物
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申请号: US858787申请日: 1992-03-27
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公开(公告)号: US5182311A公开(公告)日: 1993-01-26
- 发明人: Jimmy L. Patterson , Robert E. Riley
- 申请人: Jimmy L. Patterson , Robert E. Riley
- 申请人地址: NJ Parsippany
- 专利权人: BASF Corporation
- 当前专利权人: BASF Corporation
- 当前专利权人地址: NJ Parsippany
- 主分类号: C08J9/14
- IPC分类号: C08J9/14
摘要:
Mixtures of medium viscosity polymeric MDI and HCFC-22 have unexpectedly low vapor pressure, rendering such mixtures suitable for the preparation of polyurethane and polyisocyanate foams.
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