| 发明名称 |
COMPOSITION OF CELLULOSE ETHER AND GLUCONATE SALTS FOR USE IN CEMENT CONTAINING SKIM COATS |
| 摘要 |
This invention provides a composition of cellulose ether and gluconate salts for use in cement containing skim coat, wherein upon application of said composition, said cement containing skim coat has a pot life of no less than 2 hours and setting time no more than 20% longer than if no gluconate salt is added. In particular, said composition comprises, by weight of total solids of said skim coat, 0.2-0.6 wt. % hydroxyethyl methyl cellulose ether and 0.02-0.07 wt. % gluconate salt. |
| 申请公布号 |
US2015315076(A1) |
申请公布日期 |
2015.11.05 |
| 申请号 |
US201214651697 |
申请日期 |
2012.12.14 |
| 申请人 |
Dow Global Technologies LLC |
发明人 |
Li Jian |
| 分类号 |
C04B24/38;C04B24/26;C04B14/28;C04B16/00 |
主分类号 |
C04B24/38 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A composition for use in cement containing skim coat, comprising an admixture of:
a) cellulose ether, and b) gluconate salt, wherein upon application of said composition, said cement containing skim coat has a pot life of no less than 2 hours and setting time no more than 20% longer than if no gluconate salt is added. |
| 地址 |
Midland MI US |
