发明名称 |
PHENOLATED NAPHTHALENE FORMALDEHYDE RESIN VARNISH |
摘要 |
The varnish comprises a phenolated naphthalene formaldehyde resin having a molecular weight from 350 to 500 and a combined phenol content from 37 to 54%, a curing agent for the resin, and a lower secondary alcohol as the solvent, the varnish containing about 50% w/w of the resin. The varnish can be used to form glasscloth laminates for the production of printed circuit boards, copper clad laminates and blading for turbines. |
申请公布号 |
EP0036705(A3) |
申请公布日期 |
1981.12.16 |
申请号 |
EP19810300588 |
申请日期 |
1981.02.13 |
申请人 |
COAL INDUSTRY (PATENTS) LIMITED |
发明人 |
ROBINSON, JOSEPH GORDON;BRAIN, SALLY ANN |
分类号 |
B32B27/04;C03C25/34;C08G14/04;C08J5/24;C08L61/10;C08L61/34;H05K1/03;(IPC1-7):08G14/04;08J5/24;08L61/34 |
主分类号 |
B32B27/04 |
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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