发明名称 |
PELICULA BLANCA SELLABLE HECHA DE POLIOLEFINAS. |
摘要 |
<p>A multi-layer white, biaxially oriented polypropylene film is described. The film has at least a three-layered structure and comprises: a base layer made of polypropylene polymers containing up to 2% by weight of calcium carbonate with an average particle size up to 2.0 mu m and 0 to 25% by weight of titanium dioxide, an intermediate layer of propylene polymers containing 0 to 25% by weight of titanium dioxide based on the total weight of the intermediate layer, and an outer layer of sealable raw material. <??>The film according to the invention contains altogether at least 2% by weight of titanium dioxide in the base layer and/or in the intermediate layer. </p> |
申请公布号 |
MX9202712(A) |
申请公布日期 |
1992.12.01 |
申请号 |
MX19920002712 |
申请日期 |
1992.06.05 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
DETLEF ERICH SCHUHMANN;HERBERT PEIFFER;URSULA MURSCHALL;GUNTER SCHLOEGL |
分类号 |
B32B27/20;(IPC1-7):C08J5/18 |
主分类号 |
B32B27/20 |
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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