| 发明名称 |
FOAM MOLDINGS HAVING VARIOUS DENSITY REGIONS, THE PRODUCTION THEREOF, AND A MOLD THEREFOR |
| 摘要 |
Moldings made from polyolefin particle foams having a mean density of from 0.015 to 0.100 g/cm3 and having at least two different regions whose densities differ by from 0.005 to 0.030 g/cm3 have a transition zone between the different density regions having a thickness of not more than 25 mm.
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| 申请公布号 |
US5164257(A) |
申请公布日期 |
1992.11.17 |
| 申请号 |
US19910809373 |
申请日期 |
1991.12.18 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HAARDT, UDO;TATZEL, HERMANN |
| 分类号 |
B29C44/00;B29C44/04;B29C44/44;B29K23/00;B29K105/04;B32B5/32;C08J9/232;C08J9/33;C08J9/34;F16H25/06 |
主分类号 |
B29C44/00 |
| 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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