发明授权
US5654344A Production of rigid to semirigid polyurethane foams having an increased
proportion of open cells and reduced shrinkage
失效
生产具有增加比例的开孔和缩小收缩率的刚性至半刚性聚氨酯泡沫
- 专利标题： Production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage
- 专利标题（中）： 生产具有增加比例的开孔和缩小收缩率的刚性至半刚性聚氨酯泡沫
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申请号： US415822申请日： 1995-04-03
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公开(公告)号： US5654344A公开(公告)日： 1997-08-05
- 发明人: Peter Falke , Inge Rotermund , Bernhard Naber
- 申请人： Peter Falke , Inge Rotermund , Bernhard Naber
- 申请人地址： DEX Ludwigshafen
- 专利权人： BASF Aktiengesellschaft
- 当前专利权人： BASF Aktiengesellschaft
- 当前专利权人地址： DEX Ludwigshafen
- 优先权： DEX4411864.3 19940408
- 主分类号： C08G18/08
- IPC分类号： C08G18/08 ; C08G18/00 ; C08G18/28 ; C08G18/40 ; C08G18/83 ; C08G101/00 ; C08J11/22 ; C08J11/04 ; C08G8/04
摘要：
The invention relates to a process for the production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage using recyclate polyols. The invention furthermore relates to the rigid to semirigid polyurethane foams produced by this process.
公开/授权文献
- US4932525A Factory sealed packing container 公开/授权日：1990-06-12
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