发明名称 |
ELEMENT D'OPTIQUE RESISTANT A L'ABRASION ET PROCEDE DE PREPARATION |
摘要 |
<p>An abrasion-resistant organic optical element comprising a transparent base of a synthetic organic material having an adhering coating of an abrasion-resistant material comprising a polysilicic acid ester of an alcohol containing from 1 to 12 carbon atoms and a partially hydrolyzed vinyl polymer to provide polyvinyl alcohol; the coating being cross-linked with formaldehyde or zirconyl nitrate or mixtures thereof. The abrasion-resistant organic optical elements can comprise sheet material or a lens.</p> |
申请公布号 |
FR2337349(A1) |
申请公布日期 |
1977.07.29 |
申请号 |
FR19760038844 |
申请日期 |
1976.12.23 |
申请人 |
AMERICAN OPTICAL CORP |
发明人 |
BERNARD L. LAURIN, DON H. ROTENBERG ET HARRY D. CRANDON |
分类号 |
B05D7/02;B29D11/00;G02B1/10;(IPC1-7):02B1/10 |
主分类号 |
B05D7/02 |
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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