Vermiculite composition with improved thermal expansion properties
US5340558A · kind A · utility
64Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1993 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | Jun 14, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/92
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A vermiculite composition capable of exhibiting a high degree of volume increase upon subjection to thermal exfoliation composed of vermiculite mineralogical species having specific gravity of from 2.5 g/cm.sup.3 to 2.9 g/cm.sup.3. Further, intumescent sheets formed with said vermiculite composition exhibit low initial expansion temperature and very high maximum expansion properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.