Super rapid hardening mixture
US4060425A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 31, 1976 |
| Grant date | Nov 29, 1977 |
| Priority date | — |
| Expiry date | Mar 31, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/923
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention relates to a super rapid hardening mixture comprising PA1 A. a super rapid hardening cement in which 11CaO.7Al.sub.2 O.sub.3. CaZ (X is a halogen atom), 3CaO.SiO.sub.2 and CaSO.sub.4 are present as indespensable components; PA1 B. at least one short range strength accelerator selected from the group consisting of a calcium aluminate material, a lime material, an amine and an ethylene glycol material and calcium sulfate hemihydrate; PA1 C. at least one emulsion selected from the group consisting of a bituminous emulsion, a rubber latex and a resin emulsion; PA1 D. from 12 to 50 weight percent of water in the total mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.