Invention Grant
- Patent Title: Preparation of epoxy resins
- Patent Title (中): 环氧树脂的制备
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Application No.: US523910Application Date: 1983-08-16
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Publication No.: US4499255APublication Date: 1985-02-12
- Inventor: Chun S. Wang , Ha Q. Pham , James L. Bertram
- Applicant: Chun S. Wang , Ha Q. Pham , James L. Bertram
- Applicant Address: MI Midland
- Assignee: The Dow Chemical Company
- Current Assignee: The Dow Chemical Company
- Current Assignee Address: MI Midland
- Main IPC: C08G59/06
- IPC: C08G59/06 ; C08G59/10
Abstract:
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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