Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1988-12-22
1990-03-27
Lieberman, Allan M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
523427, 523428, 523455, 523464, 523447, C08K 340, C08L 6302
Patent
active
049121723
ABSTRACT:
Blends of high molecular weight polyphenylene ethers with various epoxy materials, particularly polyglycidyl ethers of bisphenolic compounds, are homogeneous at high temperatures and may be cured in the presence of a catalyst such as aluminum tris(acetylacetonate) or zinc bis(acetylacetonate), especially in the additional presence of an accelerator such as a basic nitrogen compound. The cured compositions have advantageous physical and electrical properties and are useful, for example, for the preparation of printed circuit boards.
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patent: 3763088 (1973-10-01), Izawa et al.
patent: 3812214 (1974-05-01), Markovitz
patent: 4113791 (1978-09-01), Smith et al.
patent: 4117361 (1978-09-01), Smith et al.
patent: 4496695 (1985-01-01), Sugio et al.
Eddy Victoria J.
Hallgren John E.
Whalen Jana M.
Davis Jr. James C.
General Electric Company
Lieberman Allan M.
Pittman William H.
Sellers II Robert E. L.
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