Acid/oxidizer catalyst system for storage stable, quick-cure phe

Details Acid/oxidizer catalyst system for storage stable, quick-cure phe Acid/oxidizer catalyst system for storage stable, quick-cure phe

1988-03-23

1990-02-27

Foelak, Morton

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528138, 528139, 528143, 528141, 528144, 528145, 528146, 525480, 525504, 525505, 525506, C08G 828

Patent

active

049047531

ABSTRACT:
Disclosed is a catalyst system which improves the cure time of acid-catalyzable resole resins while providing extended shelf life thereof. Broadly, the present invention includes a method for formulating an acid-catalyzed, non-aqueous resole resin composition and to the composition itself. The catalyst system comprises an acid catalyst and an oxidizing agent in an amount adequate for cure in at least about the same time that occurs by use of at least twice the amount of said acid catalyst alone. The shelf life of the catalyzed resole resin is greater with the inventive catalyst system than with an equivalent resole resin containing only the acid catalyst in twice the amount.

REFERENCES:
patent: 1799816 (1931-04-01), Hole
patent: 1809732 (1931-06-01), Seebach
patent: 2653139 (1953-09-01), Sterling
patent: 3230197 (1966-01-01), Adolphson
patent: 3281496 (1966-10-01), Rice et al.
patent: 3459708 (1969-08-01), Stevens
patent: 3914463 (1975-10-01), Mercurio et al.
patent: 4202959 (1980-05-01), Henbest et al.
patent: 4205135 (1980-05-01), Beale et al.
patent: 4568728 (1986-02-01), Kopac et al.

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