Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-10-05
1990-02-20
Pertilla, Theodore E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525420, 525437, 525523, 525534, 525535, C08L 7104
Patent
active
049027522
ABSTRACT:
Curable compositions are made from blends of polycyanate esters of polyhydric phenols and amorphous, aromatic thermoplastic resins which are initially soluble in the polycyanate ester but which phase separate during curing of the polycyanate ester.
REFERENCES:
patent: 3649714 (1972-03-01), Wangsness
patent: 4414366 (1983-11-01), Wu et al.
patent: 4631319 (1986-12-01), Blahak et al.
Hi-Tek Polymers, Inc.
Pertilla Theodore E.
Price Herbert P.
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