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Method for making one-container rigid foam

United States Patent

April 12, 2005
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 one-container foam by dissolving a polymer in liquified gas at a pressure greater than the vapor pressure of the liquified gas and than rapidly decreasing the pressure within approximately 60 seconds to foam a foam. The foam can be rigid and also have adhesive properties. The liquified gas used is CF.sub.3 l or mixtures thereof.
Aubert; James H. (Edgewood, NM)
Sandia Corporation (Albuquerque, NM)
10/ 145,994
May 14, 2002
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.