发明授权
US4499255A Preparation of epoxy resins 失效
环氧树脂的制备

Preparation of epoxy resins
摘要:
Epoxy resins are prepared by reacting an excess of an epihalohydrin with a phenolic hydroxyl-containing compound in the presence of the incremental addition of a basic catalyst while removing water by codistilling with a solvent and epihalohydrin.
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