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Halogen free benzoxazine based curable compositions for high T.sub.g applications

United States Patent

9,416,271
August 16, 2016
View the Complete Patent at the US Patent & Trademark Office
A method for forming a halogen-free curable composition containing 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 (Conroe, TX)
HUNTSMAN ADVANCED MATERIALS AMERICAS LLC (The Woodlands, TX)
14/ 606,481
20150147508
January 27, 2015
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.