发明名称 |
Process for preparing resin impregnated substrates, resin impregnated substrate and electrical laminate therefrom. |
摘要 |
<p>The preparation of substrates impregnated with epoxy resins and curing agents therefor is improved by employing as the epoxy resin one which has been prepared by reacting a low equivalent weight epoxy resin having an aliphatic halide content of at least 500 ppm such as diglycidyl ether of bisphenol A with a dihydric phenolic compound such as tetrabromo bisphenol A in the presence of an alkali metal hydroxide such as potassium hydroxide.</p> |
申请公布号 |
EP0027568(A1) |
申请公布日期 |
1981.04.29 |
申请号 |
EP19800105808 |
申请日期 |
1980.09.25 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
DAVIS, WILLIAM;WHITESIDE, ROSS CLINTON, JR. |
分类号 |
B32B15/04;B32B15/08;B32B15/092;B32B27/38;C08G59/06;C08J5/04;C08J5/24;H01B3/08;H01B3/40;H05K1/03;(IPC1-7):08J5/24;32B27/38;32B27/04 |
主分类号 |
B32B15/04 |
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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