| 发明名称 |
Flexible polyurethane foams |
| 摘要 |
Process for preparing a flexible polyurethane foam by reacting a polyisocyanate and two different polyols under foam forming conditions so as to prepare a rigid foam and by crushing the rigid foam so obtained. Flexible foams are obtained which do not show a major glass transition temperature between -100 DEG C. and +25 DEG C.
|
| 申请公布号 |
US5900442(A) |
申请公布日期 |
1999.05.04 |
| 申请号 |
US19960641122 |
申请日期 |
1996.04.30 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
LEENSLAG, JAN WILLEM;CUNNINGHAM, ANTHONY;ELING, BEREND |
| 分类号 |
C08G18/09;C08G18/66;C08G18/79;C08J9/38;(IPC1-7):C08J9/36;C08G18/32 |
主分类号 |
C08G18/09 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
