Phenolic resin compositions

Details Phenolic resin compositions Phenolic resin compositions

1980-03-14

1983-03-29

Lieberman, Paul

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525123, 525126, 525132, 525143, 525151, 525152, 525208, 525391, 525395, 525404, 525455, 525920, C08L 3700, C08L 4100, C08L 6104

Patent

active

043784500

ABSTRACT:
Phenolic resin compositions comprising a polymeric substance having a phenolic OH group such as phenol resins, and a rubber having an epoxy group and an epoxy equivalent of 500 to 30,000 such as butadiene copolymers, acrylic copolymers, chloroprene copolymers and urethane copolymers are provided. These resin compositions exhibit improved properties having overcome the drawback of brittle properties intrinsic of conventional phenolic resins, and also exhibit cold resistance; hence they are used as molding materials, laminating materials, casting materials, binders, etc. Further, molding resin compositions having improved solvent-resistance and metal insert properties are provided.

REFERENCES:
patent: 3856883 (1974-12-01), Dickie
patent: 3865683 (1975-02-01), Schnee
patent: 3978153 (1976-08-01), Sato
patent: 4038454 (1977-07-01), Lehmann
patent: 4073775 (1978-02-01), Matsuo
patent: 4085085 (1978-04-01), Tsuchiya
patent: 4199646 (1980-04-01), Hori

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