Phenolic resins from bisphenol a residual resins and mixtures of

Details Phenolic resins from bisphenol a residual resins and mixtures of Phenolic resins from bisphenol a residual resins and mixtures of

1992-12-14

1994-05-24

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528205, 528214, 528212, 528217, 525151, 525152, C08G 6538

Patent

active

053149866

ABSTRACT:
Rubber components of a vulcanizable rubber composition are homogenized by adding to the composition, prior to vulcanization, a phenolic resin formed by reacting a bisphenol A residual resin with chlorinated C.sub.4 to C.sub.8 hydrocarbons in the presence of a Friedel-Crafts alkylation catalyst.

REFERENCES:
patent: 3644537 (1972-02-01), Dannels et al.
patent: 4639496 (1987-01-01), Weddigen et al.
patent: 5021522 (1991-06-01), Durairaj et al.
patent: 5071943 (1991-12-01), Abele et al.
patent: 5219976 (1993-06-01), Abele et al.

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