Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1981-02-12
1983-07-12
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
525404, 525408, 525422, 525530, 528108, 528116, 528117, 528317, 528321, 528322, 428413, 4284735, C08G 5906, G08G 5908
Patent
active
043931880
ABSTRACT:
A process for preparing a thermosetting maleimide type prepolymer which comprises reacting (A) a polyfunctional maleimide compound, (B) a bis-maleimide, (C) a diamine and (D) an epoxy compound. The maleimide type prepolymer prepared according to the process of the present invention has rapid curability and excellent solubility in low boiling point solvents such as acetone, methyl ethyl ketone and methyl cellosolve, which are available at low cost. Accordingly, the prepolymer is advantageously used especially for the production of laminated boards having good heat resisting properties, low moisture absorption and good adhesion to various substrates such as a copper foil.
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Mizuno Yutaka
Morishita Hirosada
Tada Ritsuro
Takahashi Akio
Tsukanishi Kenji
Anderson Harold D.
Hitachi Chemical Company Ltd.
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