Esters containing phenolic groups as epoxy resin curing agents

Details Esters containing phenolic groups as epoxy resin curing agents Esters containing phenolic groups as epoxy resin curing agents

1979-05-10

1980-07-22

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260 18EP, 428185, 560 85, 560193, 560194, 528100, C08G 5962

Patent

active

042140684

ABSTRACT:
Phenolic curing agents, especially suitable for use in powder coatings, are prepared by reacting a dihydric phenol (diphenylol propane), a diepoxide (liquid diglycidyl ether of diphenylol propane), and a dicarboxylic acid (adipic acid) with the phenolic functionality in excess over the difference between the epoxy functionality and the acid functionality.

REFERENCES:
patent: 2934521 (1960-04-01), Masters et al.
patent: 3301920 (1967-01-01), Price
patent: 3316277 (1967-04-01), Frank et al.
patent: 3329652 (1967-07-01), Christie
patent: 3418333 (1968-12-01), Warren
patent: 3477990 (1969-11-01), Dante et al.
patent: 3931109 (1976-01-01), Martin
patent: 4101518 (1978-07-01), Takamori et al.
patent: 4151305 (1979-04-01), Davis et al.

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