| 发明名称 |
REDISPERSIBLE ACRYLIC POLYMER POWDER FOR CEMENTITIOUS COMPOSITIONS |
| 摘要 |
A method for preparing an acrylic polymer powder which is redispersible in water by atomizing an aqueous polymer dispersion containing a dispersing aid, the improvement which comprises employing an acrylic polymer containing 1-15 wt% olefinically unsaturated carboxylic acid comonomer and an effective amount of a dispersing aid consisting essentially of polyvinyl alcohol.
|
| 申请公布号 |
CA2110448(A1) |
申请公布日期 |
1994.06.09 |
| 申请号 |
CA19932110448 |
申请日期 |
1993.12.01 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
PAK-HARVEY, HELEN H. Y.;MAO, CHUNG-LING |
| 分类号 |
C04B24/18;C04B24/24;C04B24/26;C04B24/38;C04B40/00;C08J3/12;C08L29/04;C09D133/06;(IPC1-7):C08L33/00 |
主分类号 |
C04B24/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
