Claims
- 1. A method for providing a source of heat which comprises
- (a) adding, as a heat storage material, xylitol to a container;
- (b) heating the xylitol in the container to a temperature above its melting point;
- (c) cooling the resulting melt to a temperature below the melting point of xylitol without crystallizing the xylitol and
- (d) initiating crystallization of the xylitol
- whereby the release of the heat of crystallization of xylitol provides a source of heat.
- 2. The method of claim 1 wherein the xylitol is present as a powder.
- 3. The method of claim 1 wherein the xylitol is present as a super-saturated solution.
- 4. The method of claim 1 wherein crystallization is effected by seeding the cooled melt with xylitol crystals.
- 5. The method of claim 1 wherein crystallization is effected by ultrasonic techniques.
- 6. The method of claim 1 wherein crystallization is effected by mechanical techniques.
Parent Case Info
This is a division of application Ser. No. 916,424 filed June 16, 1978 now abandoned.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
50-90989 |
Feb 1975 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
916424 |
Jun 1978 |
|