Cement dispersant and cement composition comprising this
US6569234B2 · kind B2 · utility
24Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Aug 9, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/408
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A cement dispersant which displays high dispersibility with a small addition amount and excellent dispersibility particularly even in a high water-reducing ratio area, and a cement composition comprising this. A first cement dispersant includes a copolymer having a first constitutional unit derived from an unsaturated (poly)alkylene glycol ether monomer; and a second constitutional unit derived from an unsaturated monocarboxylic acid monomer, wherein the second constitutional unit includes at least one structure derived from an acrylic acid (salt).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.