Flame retardant silicone compositions

Details Flame retardant silicone compositions Flame retardant silicone compositions

1995-08-17

1996-05-14

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524714, 524720, 524722, 524731, 524862, C08K 549

Patent

active

055168388

ABSTRACT:
To a silicone composition comprising (A) an organopolysiloxane having at least two alkenyl groups in a molecule, (B) an organohydrogenpolysiloxane having at least two hydrogen atoms each directly attached to a silicon atom in a molecule, and (C) a platinum catalyst, (D) a compound having a phenyl group and a secondary or tertiary amino group directly attached thereto is added to render the composition flame retardant. The composition cures into a transparent product having improved flame retardancy meeting the UL standard and is suitable for use in the protection of electronic parts like ICs and hybrid ICs.

REFERENCES:
patent: 3723497 (1973-05-01), Baney
patent: 4013611 (1977-05-01), Hechtl et al.
patent: 4051454 (1977-09-01), Leiser et al.
patent: 4130707 (1978-12-01), Leiser et al.
patent: 4444944 (1984-04-01), Matsushita
patent: 4477626 (1984-10-01), Suzuki
patent: 4544696 (1985-10-01), Streusand et al.
patent: 4722957 (1988-02-01), Braun et al.
patent: 4868251 (1989-09-01), Reich et al.
patent: 5260364 (1993-11-01), Johnson

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