Resol resins prepared using butanol and tri-alkali metal phospha

Details Resol resins prepared using butanol and tri-alkali metal phospha Resol resins prepared using butanol and tri-alkali metal phospha

1980-06-16

1981-05-19

Schain, Howard E.

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

Synthetic resins

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

260 291R, 260 312T, 260 314EP, 260 314R, 260 328R, 260 334R, 260 336R, 525481, 528141, 528142, 528153, C08G 820

Patent

active

042686482

ABSTRACT:
A process for the preparation of resol resins by reacting bisphenol A with 1.2 to 1.8 moles of formaldehyde in the presence of n-butanol or isobutanol and in the presence of a tri-alkali metal phosphate as a catalyst, and their use, optionally combined with epoxy resins, for the preparation of deep-drawable, sterilizable and chemically resistant lacquer films.

REFERENCES:
patent: 1710045 (1929-04-01), Deutsch et al.
patent: 2057690 (1936-10-01), Moss
patent: 2636017 (1953-04-01), Schwartzberg
patent: 2962459 (1960-11-01), Ash et al.
patent: 3298973 (1967-01-01), Quarles et al.
patent: 3644269 (1972-02-01), Hoyt et al.
patent: 4110540 (1978-08-01), Freitag et al.
patent: 4182732 (1980-01-01), Fry

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