| 发明名称 |
THERMOPLASTIC BLEND OF POLYPROPYLENE, EPM AND PROPYLENE-ETHYLENE COPOLYMER |
| 摘要 |
<p>THERMOPLASTIC BLEND OF POLYPROPYLENE, EPM AND PROPYLENEETHYLENE COPOLYMER Thermoplastic polymer blends of improved impact strength and knit line toughness consisting essentially of (a) 60-90% by weight polypropylene, (b) 30-5% by weight of thermoplastic crystalline heteroblock propylene-ethylene copolymer and (c) 30-5% by weight of an ethylene-propylene copolymer rubber.</p> |
| 申请公布号 |
CA1138147(A) |
申请公布日期 |
1982.12.21 |
| 申请号 |
CA19800356995 |
申请日期 |
1980.07.25 |
| 申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
SMITH, WILLIAM S., JR. |
| 分类号 |
C08L23/00;C08L7/00;C08L21/00;C08L23/12;C08L53/00;C08L101/00;(IPC1-7):C08L23/12;C08L23/16 |
主分类号 |
C08L23/00 |
| 代理机构 |
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