发明名称 |
Production of sheet-like polyurethane moldings |
摘要 |
Sheet-like polyurethane moldings are produced by impregnation of porous sheets with a prepolymer containing free isocyanate groups and reversibly blocked isocyanate-reactive groups or containing free isocyanate-reactive groups and reversibly blocked isocyanate groups, and subsequent reaction of the prepolymers in a heated mold.
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申请公布号 |
US6007752(A) |
申请公布日期 |
1999.12.28 |
申请号 |
US19970851106 |
申请日期 |
1997.05.05 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
SCHERZER, DIETRICH;JUNG, LUDWIG;BRUCHMANN, BERND;RENZ, HANS |
分类号 |
C08J5/18;C08G18/32;C08G18/79;C08J5/04;D06M15/564;(IPC1-7):B29C67/00;C08G18/10 |
主分类号 |
C08J5/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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