Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1992-10-08
1994-12-06
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525396, 525438, 525463, 525510, 525522, 525523, 525533, 525535, 525906, C08L 6300
Patent
active
053711521
ABSTRACT:
The resin composition comprises, as essential components, (A) an epoxy resin, (B) a thermoplastic resin and (C) particles of a diaminodiphenylsulfone compound whose cross linking reactivity with the epoxy resin is prevented until the resin composition is subjected to molding or curing by a resin coating which is formed (i) by forming or adhering resin particles onto the surface of the diaminodiphenylsulfone particles or (ii) by forming a resin film on the diaminodiphenylsulfone particles, the coating resin used for forming the resin coating is not compatible with components included in the resin composition at the temperature up to the curing temperature of the resin composition.
REFERENCES:
patent: 4608404 (1986-08-01), Gardner et al.
patent: 4661559 (1987-04-01), Gardner et al.
patent: 4663401 (1987-05-01), Saito et al.
patent: 4808639 (1989-02-01), Chernack
patent: 5026789 (1991-06-01), Weber et al.
patent: 5151471 (1992-09-01), Qureshi et al.
Derwent Abstract of JP48019545, Dec. 22, 1970.
Andoh Masato
Hoyano Masashi
Bleutge John C.
Galakowski Randy
Toho Rayon Co. Ltd.
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