Foamable glass composition and glass foam
US4347326A · kind A · utility
35Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1981 |
| Grant date | Aug 31, 1982 |
| Priority date | — |
| Expiry date | Mar 11, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C11/007
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Foamable glass composition suitable for making glass foam, which starts from water glass material and consisting essentially of 100 parts by weight of anhydrous modified sodium silicate and 0.5-4 parts by weight of CaCO.sub.3 as a foaming agent. A foam in the closed-cell form, which is light is in weight, and excellent water resistance, strength and heat resistance, is obtained, wherein CO.sub.2 in a gas existing in the cell is 50% by volume or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.