发明名称 |
AQUEOUS DISPERSIONS, A PROCESS FOR THEIR PREPARATION AND THE USE OF THE DISPERSIONS AS SIZING AGENTS |
摘要 |
<p>Aqueous cationic or anionic dispersions of rosin and certain synthetic sizing agents, carbamoyl chlorides, ketene dimers or acid anhydrides. The particles in the dispersed phase contain a mixture of rosin and synthetic sizing agent and the dispersions are prepared by homogenisation of a homogeneous mixture of the rosin material and the synthetic sizing agent in the presence of a dispersing agent. The dispersions are used as sizing agents in the production of paper, paper board, board and similar products.</p> |
申请公布号 |
CA1270352(A) |
申请公布日期 |
1990.06.19 |
申请号 |
CA19860513364 |
申请日期 |
1986.07.09 |
申请人 |
CASCO NOBEL AB |
发明人 |
HELMER, ULLA K.E.;JOHANSEN, RANDI H. |
分类号 |
D21H17/07;D21H17/15;D21H17/17;D21H17/62;(IPC1-7):C08L93/04;D21H3/02 |
主分类号 |
D21H17/07 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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