| 发明名称 |
Cement dispersion agents |
| 摘要 |
Cement dispersion agents containing a graft copolymer composed of four kinds of constituent unit each having a specified structure can provide improved fluidity to cementing compositions, prevent slump loss after the kneading process and reduce the drying shrinkage of hardened concrete produced at the same time.
|
| 申请公布号 |
US5290869(A) |
申请公布日期 |
1994.03.01 |
| 申请号 |
US19920991283 |
申请日期 |
1992.12.16 |
| 申请人 |
TAKEMOTO YUSHI KABUSHIKI KAISHA |
发明人 |
KINOSHITA, MITSUO;MIURA, YOSHIMASA;YAMAMOTO, TSUNEO |
| 分类号 |
C04B24/16;C04B24/26;C04B103/40;C08F265/00;C08F265/04;C08F265/06;C08F265/10;(IPC1-7):C08F265/04;C04B16/04 |
主分类号 |
C04B24/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
