Hydantoin or barbituric acid-extended epoxy resin

Details Hydantoin or barbituric acid-extended epoxy resin Hydantoin or barbituric acid-extended epoxy resin

1991-01-18

1992-07-14

Sellers, Robert E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 89, 528117, 528118, 525523, 525526, C08G 5914, C08G 5950

Patent

active

051304074

ABSTRACT:
A modified epoxy resin composition for use in making a printed circuit board comprising: (1) a modified epoxy resin obtained by reacting (a) a low molecular weight epoxy resin having at least two epoxy groups which has the following formula, ##STR1## (b) an N-heterocyclic fatty amino chain-extending agent at least two active hydrogen atoms and represented by the formulas, ##STR2## and (c) at least one catalyst for catalyzing the reaction between components (a) and (b).

REFERENCES:
patent: 3793248 (1974-02-01), Porret et al.
patent: 3963666 (1976-06-01), Schreiber et al.
patent: 4124760 (1978-11-01), Green et al.
patent: 4672101 (1987-06-01), Wang et al.

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