发明名称 |
Polyamide release film for sheet molding compound, sheet compound prepared therewith and process of making. |
摘要 |
<p>Disclosed is a polyamide film of low crystallinity (2) and a process for its use in the manufacture of sheet molding compound (SMC) (12). The film is produced from a blend comprising a polyamide selected from the group consisting of polyepsiloncaprolactam, polyhexamethylene adipamide or mixtures thereof, and about 10 to 30 wt.%, based on the total weight of said blend, of a polyolefln compound, or copolymer thereof, such as ethylene-vinyl acetate copolymer. The film has a tear strength of at least about 400 grams in the longitudinal direction as measured by ASTM D-1004-66. Also disclosed are molding compounds incorporating the film and the method of manufacture of the film (2) and the sheet molding compound (12).</p> |
申请公布号 |
EP0027191(A1) |
申请公布日期 |
1981.04.22 |
申请号 |
EP19800105804 |
申请日期 |
1980.09.25 |
申请人 |
ALLIED CORPORATION |
发明人 |
BOLLEN, PHILIP STUART;DEGRASSI, ALFRIERI;SACKS, WILLIAM |
分类号 |
B29C67/00;B29C33/68;B29C37/00;B29C57/00;B29C70/00;B29C70/50;B32B27/34;C08J5/04;C08J5/24;C08L77/00;(IPC1-7):32B17/04;29D7/00;29D3/02 |
主分类号 |
B29C67/00 |
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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