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Method of making a cyanate ester foam

United States Patent

August 5, 2014
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A cyanate ester resin mixture with at least one cyanate ester resin, an isocyanate foaming resin, other co-curatives such as polyol or epoxy compounds, a surfactant, and a catalyst/water can react to form a foaming resin that can be cured at a temperature greater than C. to form a cyanate ester foam. The cyanate ester foam can be heated to a temperature greater than C. in a non-oxidative atmosphere to provide a carbonaceous char foam.
Celina; Mathias C. (Albuquerque, NM), Giron; Nicholas Henry (Tijeras, NM)
Sandia Corporation (Albuquerque, NM)
13/ 409,410
March 1, 2012
STATEMENT OF GOVERNMENT INTEREST 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.