Latent catalysts for promoting reaction of epoxides with phenols

Details Latent catalysts for promoting reaction of epoxides with phenols Latent catalysts for promoting reaction of epoxides with phenols

1976-04-05

1979-01-02

Pertilla, Theodore E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

568609, 568637, 568638, 260 18EP, 2606065F, 260836, 260837R, 560209, 528 99, 528112, 528104, 528365, C08L 6300

Patent

active

041327063

ABSTRACT:
The trisubstituted (2,5-dihydroxyphenyl)phosphonium hydroxide inner salts and their hydrolyzed derivatives are novel latent catalysts for promoting reaction between vicinal epoxides and phenols and/or carboxylic acids (or anhydrides). Precatalyzed epoxy resins are easily prepared using such catalysts.

REFERENCES:
patent: 3477990 (1969-11-01), Dante et al.
J. Am. Chem. Soc., vol. 78 Romirez et al., 11/1956 (pp. 5614-5622).

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