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Method of making thermally removable epoxies

United States Patent

6,337,384
January 8, 2002
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A method of making a thermally-removable epoxy by mixing a bis(maleimide) compound to a monomeric furan compound containing an oxirane group to form a di-epoxy mixture and then adding a curing agent at temperatures from approximately room temperature to less than approximately 90.degree. C. to form a thermally-removable epoxy. The thermally-removable epoxy can be easily removed within approximately an hour by heating to temperatures greater than approximately 90.degree. C. in a polar solvent. The epoxy material can be used in protecting electronic components that may require subsequent removal of the solid material for component repair, modification or quality control.
Loy; Douglas A. (Albuquerque, NM), Wheeler; David R. (Albuquerque, NM), Russick; Edward M. (Rio Rancho, NM), McElhanon; James R. (Albuquerque, NM), Saunders; Randall S. (late of Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
09/ 484,839
January 18, 2000
This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the Department of Energy. The Government has certain rights in the invention.