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...
Patent
1987-08-10
1988-07-05
Phynes, Lucille M.
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...
524611, 528125, 528126, 528128, 528174, C08K 320, C08K 310
Patent
active
047555564
ABSTRACT:
Composites comprising structural fibers such as carbon fibers and, as the matrix resin, an aryl ether sulfone polymer comprising a 4,4'-bis-phenylsulfonyl biphenyl and at least two additional arylene structural units. The matrix resins exhibit improved toughness and stress crack resistance and a reduced tendency toward crystallization. The polymers are soluble and film-forming from solution, and may be used as coating and impregnating resins for producing the laminates and fiber-reinforced composites of this invention.
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Harris James E.
Michno, Jr. Michael J.
Amoco Corporation
Magidson William H.
Modhurst Ralph C.
Phynes Lucille M.
Schlott Richard J.
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