| 发明名称 |
PLASTER FOAMY MATERIAL WITH A POROUS STRUCTURE AND PROCESS FOR PRODUCING THEREOF |
| 摘要 |
A gypsum foam (I) contains a polyurea (II) and has a density of 0.1-0.4 g/cm3. (II) is a condensation prod. of diphenylmethane-4,4'-diisocyanate prepolymers and contains water. (I) is open-celled and at least 80% of the pores have a dia. of 0.3-2 mm.
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| 申请公布号 |
CS9002200(A3) |
申请公布日期 |
1992.06.17 |
| 申请号 |
CS19900002200 |
申请日期 |
1990.05.03 |
| 申请人 |
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN.. |
发明人 |
MEINHARDT STEFAN ING. |
| 分类号 |
C04B26/20;C04B38/00;(IPC1-7):C04B38/00 |
主分类号 |
C04B26/20 |
| 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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