发明名称 |
Writing screen |
摘要 |
A writing screen comprising a substrate and an overlayer on the surface thereof of a film comprising a vinylidene fluoride copolymer resin having a ratio of the existing amount of fluorine atoms (F) and that of carbon atoms (C), F/C, on the surface in the range of 0.6 to 1.5. The screen has excellent marker suitability and resistance to surface damage.
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申请公布号 |
US4746576(A) |
申请公布日期 |
1988.05.24 |
申请号 |
US19860945852 |
申请日期 |
1986.12.23 |
申请人 |
MITSUBISHI PETROCHEMICAL COMPANY LIMITED |
发明人 |
OZU, TAKAHIRO;ABE, KEIZO;TSUJII, MASAYOSHI |
分类号 |
B43L1/10;B43L1/00;(IPC1-7):B32B27/06 |
主分类号 |
B43L1/10 |
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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