| 发明名称 |
SISTEMA DE LIGANTE,PRODUTO DE PAPEL CELULOSICO E PROCESSO PARA PREPARAR UM CARBONATO DE CALCIO PRECIPITADO E CARBONATO DE CALCIO OBTIDO |
| 摘要 |
A two component binder system comprising a highly dispersible, high specific surface area precipitated calcium carbonate (colloidal PCC) and a cationic starch, especially a cationic potato starch, for improving filler retention, opacity and strength during papermaking. |
| 申请公布号 |
BR8902546(A) |
申请公布日期 |
1990.03.20 |
| 申请号 |
BR19898902546 |
申请日期 |
1989.06.02 |
| 申请人 |
PFIZER INC. |
发明人 |
ROBERT ANTHONY GILL;NIGEL DENIS SANDERS |
| 分类号 |
D21H17/28;C09C1/02;D21H17/29;D21H17/67;D21H21/10;D21H21/18;(IPC1-7):D21H3/28;D21H3/78 |
主分类号 |
D21H17/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
