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Halogen-free benzoxazine based curable compositions for high TG applications

United States Patent

March 10, 2015
View the Complete Patent at the US Patent & Trademark Office
The present invention provides a halogen-free curable composition including a benzoxazine monomer, at least one epoxy resin, a catalyst, a toughening agent and a solvent. The halogen-free curable composition is especially suited for use in automobile and aerospace applications since the composition, upon curing, produces a composite having a high glass transition temperature.
Tietze; Roger (The Woodlands, TX), Nguyen; Yen-Loan (Spring, TX)
Huntsman Advanced Materials Americas LLC (The Woodlands, TX)
12/ 918,433
February 20, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The invention was made with U.S. Government support under Contract No. DE-FG36-07G017012 awarded by the U.S. Department of Energy. Thus, the U.S. Government has certain rights in the invention.