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公开(公告)号：US20190077906A1
公开(公告)日：2019-03-14
申请号：US15702401
申请日：2017-09-12
Applicant: Hexion Inc.
Inventor： David FLOSSER , Jerry R. HITE , Larry Steven CORLEY , Bedri ERDEM
Abstract: An epoxy oligomerization catalyst can be employed to prepare an epoxy resin employing a method including admixing a first epoxy resin having a first epoxy equivalent weight of from about 100 to about 600 with a diphenolic compound, and a catalyst, thereby forming a second epoxy resin having a second epoxy equivalent weight of from about 200 to about 10,000; wherein the catalyst is a guanidinium catalyst. The second equivalent weight is greater than the first equivalent weight.
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