发明名称 |
RIGID POLYURETHANE FOAMS. |
摘要 |
Rigid polyurethane foams having a closed cell content higher than 85 percent, a core density of below 32 kg/m3 and a dimensional stability, expressed as the sum of the absolute values of the relative linear changes in the three dimensions after exposure to -20 degree C for 14 days, of below 15 percent. |
申请公布号 |
MX9702554(A) |
申请公布日期 |
1997.06.28 |
申请号 |
MX19970002554 |
申请日期 |
1995.09.15 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC. |
发明人 |
GUY, LEON, JEAN, GHISLAIN BIESMANS;MARTIN BARKER |
分类号 |
C08G18/00;C08J9/14 |
主分类号 |
C08G18/00 |
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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