Method for making one-container rigid foam
| Patent Number: | 6,878,752 |
| Issued: | 4/12/2005 |
| Official Filing: | View the Complete Patent |
| Abstract: | 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. |
| Filed: | 5/14/2002 |
| Application Number: | 10/145,994 |
| Government Interests: | STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention. |