Claims
- 1. A polyurethane foam of low thermal conductivity having incorporated therein at least one of:
- solid alkaline reagents selected from the group consisting of sodium hydroxide and soda lime, and reaction products of said reagents with carbon dioxide.
- 2. A foam according to claim 1 which also comprises at least one halogenated compound.
- 3. A foam according to claim 2 wherein the halogenated compound is at least one halocarbon or halohydrocarbon.
- 4. A foam according to claim 3 wherein the halocarbon or halohydrocarbon is monofluorotrichloromethane or 1,1-dichloro-1-fluoroethane.
- 5. A foam according to claim 4 wherein said reagent is sodium hydroxide or soda lime.
- 6. A foam according to claim 5 wherein said reagent is sodium hydroxide.
- 7. A foam according to claim 5 wherein said reagent is soda lime.
Parent Case Info
This application is a division of application Ser. No. 08/037,841, filed Mar. 29, 1993.
US Referenced Citations (7)
Foreign Referenced Citations (2)
Number |
Date |
Country |
63-3166 |
Jan 1988 |
JPX |
1121675 |
May 1989 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
37841 |
Mar 1993 |
|