| 发明名称 |
LOW DENSITY FOAMED THERMOPLASTIC ELASTOMERS |
| 摘要 |
TITLE LOW DENSITY FOAMED THERMOPLASTIC ELASTOMERS A foamed thermoplastic elastomer having a substantially uniform closed cell structure and having a specific gravity of less than about 0.40, an energy return ratio greater than about 0.50 when compressed and released said foam being prepared from a thermoplastic multi-block copolymer elastomer having a Shore D hardness of 25-75.
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| 申请公布号 |
CA2018919(A1) |
申请公布日期 |
1990.12.15 |
| 申请号 |
CA19902018919 |
申请日期 |
1990.06.13 |
| 申请人 |
DU PONT (E.I.) DE NEMOURS AND COMPANY;ASTRO-VALCOUR INCORPORATED |
发明人 |
WALTER, TIMOTHY H.;PONTIFF, THOMAS M. |
| 分类号 |
C08J9/06;C08J9/14;C08K5/00;C08L67/00;C08L67/02;C08L71/02;C08L77/00;C08L79/08;(IPC1-7):C08J9/06 |
主分类号 |
C08J9/06 |
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