发明名称 |
Process for preparing rigid foamed materials containing urethane groups |
摘要 |
The description relates to production of rigid foamed plastics containing urethane groups, by use of a blowing-agent mixture containing 5 to 50 parts by weight of C3 and/or C4 alkanes and 50 to 95 parts by weight of cyclopentane. There is also a description of use of the thus-produced rigid foamed plastics as composite components or for foam filling of cavities in refrigerator construction.
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申请公布号 |
US6509387(B1) |
申请公布日期 |
2003.01.21 |
申请号 |
US19980077914 |
申请日期 |
1998.06.04 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
DIETRICH KARL WERNER;EISEN NORBERT;HEILIG GERHARD |
分类号 |
C08G18/32;C08G18/48;C08J9/14;(IPC1-7):C08G18/50;C08G18/00 |
主分类号 |
C08G18/32 |
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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