Process for producing phenolic resin composition and rubber comp

Details Process for producing phenolic resin composition and rubber comp Process for producing phenolic resin composition and rubber comp

1990-05-30

1992-03-24

Michl, Paul R.

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...

524510, 5255015, 525502, C08L 9304

Patent

active

050989413

ABSTRACT:
Disclosed is a process for producing a phenolic resin composition characterized in that a novolak type phenolic resin modified with an unsaturated oil or an aromatic hydrocarbon resin, and hexamine are used as essential components, and these are kneaded by an open roll or a kneading extruder, whereby 30-90% of the hexamine used is converted into the adduct thereof. A rubber composition containing the phenolic resin composition produced by the above process is also disclosed.

REFERENCES:
patent: 3108978 (1963-10-01), McNaughtan
patent: 4326576 (1982-04-01), Mizumoto et al.
patent: 4546143 (1985-10-01), Weil et al.
patent: 5001185 (1991-03-01), Teratani et al.

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