发明名称 |
High opacity film and method thereof |
摘要 |
A non-symmetrically layered, highly opaque, biaxially oriented polymer film with a core containing numerous microscopic voids and at least about 1% by weight of opacifying compounds; a first skin layer on one surface of the core containing up to about 12% by weight of inorganic particulate material; and a second skin layer on the other surface of the core.
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申请公布号 |
US5176954(A) |
申请公布日期 |
1993.01.05 |
申请号 |
US19910710234 |
申请日期 |
1991.06.03 |
申请人 |
MOBIL OIL CORPORATION |
发明人 |
KELLER, LAJOS E.;SWAN, LARRY G.;WAGNER, JOHN R. |
分类号 |
B32B27/20 |
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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