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US5130407A Hydantoin or barbituric acid-extended epoxy resin 失效
乙内酰脲或巴比妥酸延伸环氧树脂

Hydantoin or barbituric acid-extended epoxy resin
摘要:
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).
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