| 发明名称 |
Core for an automobile bumper. |
| 摘要 |
<p>A core for an automobile bumper comprising a foam having a bulk density of 0.047 to 0.18 g cm3, the foam being made of an ethylene-propylene random copolymer having an ethylene content of 0.1 to 8.0 % by weight, and largely improved in an energy absorption capacity at small strain by means of defining the ratio of ethylene to propylene and the bulk density of a foam.</p> |
| 申请公布号 |
EP0174483(A2) |
申请公布日期 |
1986.03.19 |
| 申请号 |
EP19850109627 |
申请日期 |
1985.07.31 |
| 申请人 |
KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
NAGOSHI, TOSHIHARU;TOTSUKA, HIDEHIKO;GOTOH, YOUKICHI;TAIRA, TAKESHI;SENUMA, KAZUYA |
| 分类号 |
B32B5/18;B60R19/03;B60R19/22;C08J9/14;(IPC1-7):B60R19/18 |
主分类号 |
B32B5/18 |
| 代理机构 |
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代理人 |
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