Invention Grant
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
- Patent Title: Production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage
- Patent Title (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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Application No.: US415822Application Date: 1995-04-03
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Publication No.: US5654344APublication Date: 1997-08-05
- Inventor: Peter Falke , Inge Rotermund , Bernhard Naber
- Applicant: Peter Falke , Inge Rotermund , Bernhard Naber
- Applicant Address: DEX Ludwigshafen
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DEX Ludwigshafen
- Priority: DEX4411864.3 19940408
- Main IPC: C08G18/08
- IPC: C08G18/08 ; C08G18/00 ; C08G18/28 ; C08G18/40 ; C08G18/83 ; C08G101/00 ; C08J11/22 ; C08J11/04 ; C08G8/04
Abstract:
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.
Public/Granted literature
- US4932525A Factory sealed packing container Public/Granted day:1990-06-12
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