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High energy electron beam curing of epoxy resin systems incorporating cationic photoinitiators

United States Patent

March 2, 1999
View the Complete Patent at the US Patent & Trademark Office
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A mixture of epoxy resins such as a semi-solid triglycidyl ether of tris (hydroxyphenyl) methane and a low viscosity bisphenol A glycidyl ether and a cationic photoinitiator such as a diaryliodonium salt is cured by irradiating with a dosage of electron beams from about 50 to about 150 kGy, forming a cross-linked epoxy resin polymer.
Janke; Christopher J. (Powell, TN), Lopata; Vincent J. (Manitoba, CA), Havens; Stephen J. (Knoxville, TN), Dorsey; George F. (Farragut, TN), Moulton; Richard J. (Lafayette, CA)
Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)
08/ 507,569
July 26, 1995
This invention was made with Government support under contract DE-AC05-84OR21400 awarded by the U.S. Department of Energy to Lockheed Martin Energy Systems, Inc. and the Government has certain rights in this Invention.