| 发明名称 |
Voided films of polyester with polyolefin particles |
| 摘要 |
Opaque voided films having a total luminous transmission not exceeding 25% are made from blends of a polyester preferably polyethylene terephthalate, with 3 to 27% of an ethylene or propylene polymer, prepared by dry blending. One end use of the film, as a base for photographic prints is also described.
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| 申请公布号 |
US4187113(A) |
申请公布日期 |
1980.02.05 |
| 申请号 |
US19770848354 |
申请日期 |
1977.11.03 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES LTD |
发明人 |
DEVERELL, CHRISTOPHER;KNOWLES, PETER G;MATHEWS, CARL F;PEARS, GORDON E A |
| 分类号 |
G03C1/795;G03C1/95;(IPC1-7):G03C1/78 |
主分类号 |
G03C1/795 |
| 代理机构 |
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| 地址 |
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