发明名称 |
METHOD OF MAKING WRITABLE ERASABLE ARTICLES AND ARTICLES THEREFROM |
摘要 |
A method of making erasable article (100) comprises: providing an electret film (110) having first and second opposed major surfaces; applying a polymerizable precursor composition to at least a portion of the first major surface (120); polymerizing the polymerizable precursor composition to form a non-tacky crosslinked polymeric layer (130); and exposing the electret film (110) and non-tacky crosslinked polymeric layer (130) to a direct current corona discharge, wherein the second major surface (122) is free of adhesive material. Erasable articles and kits containing them are also disclosed. |
申请公布号 |
WO2004021379(A3) |
申请公布日期 |
2004.05.13 |
申请号 |
WO2003US20786 |
申请日期 |
2003.07.02 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
BHARTI, VIVEK;JONES, CLINTON, L.;GUSTAFSON, FREDERICK, J. |
分类号 |
B43L1/10;B32B27/10;B41M5/00;B41M5/50;B41M5/52;B43L1/00;C08J7/16;C09D4/00;C09D4/02;C09D7/12 |
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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