Thixotropic mixture and method of making same
US3986969A · kind A · utility
33Cited by
4References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 1975 |
| Grant date | Oct 19, 1976 |
| Priority date | — |
| Expiry date | Feb 6, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K5/063
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A mixture for the storage of heat energy utilizing a heat of fusion material includes sodium sulfate decahydrate, borax as a nucleating agent, and hydrous magnesium aluminum silicate (attapulgus clay) as a homogenizing agent. This composition maintains the salt-hydrate in suspension during repeated heating and cooling cycles. A method is also disclosed for preparing the mixture which includes the steps of mixing water with the attapulgus clay, adding a nucleating agent to the initial mixture, and mixing the initial mixture, including the nucleating agent, with a heat of fusion material such as sodium sulfate decahydrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.