Catalyst for reacting phenolic hydroxyl groups with epoxy groups

Details Catalyst for reacting phenolic hydroxyl groups with epoxy groups Catalyst for reacting phenolic hydroxyl groups with epoxy groups

1980-04-10

1981-06-30

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

26034812, 26034815, 528 89, 528 90, 528 93, 252428, C08G 5906, C08G 5968

Patent

active

042764068

ABSTRACT:
Catalysts for reacting vicinal epoxides with an aromatic hydroxyl-containing material result from the treatment of a solid substrate containing a plurality of ion-exchangeable cations with a polymer containing a multiplicity of quaternary onium cations in association with a reactive anion such that after treatment, there remains a sufficient quantity of the quaternary onium cations in association with the reactive anion to catalyze the reaction. These catalysts reduce the quantity of side reactions.

REFERENCES:
patent: 2772296 (1956-11-01), Mueller
patent: 2801227 (1957-07-01), Goppel
patent: 2986552 (1961-05-01), Landua et al.
patent: 3336342 (1967-08-01), Frank et al.
patent: 3372142 (1968-03-01), Smith
patent: 3477990 (1969-11-01), Dante et al.
patent: 3824212 (1974-07-01), Sinnema et al.
patent: 3948855 (1976-04-01), Perry

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