发明名称 |
METHOD OF SIZING AND AQUEOUS SIZING DISPERSION |
摘要 |
The invention relates to a method of sizing paper and similar cellulose fiber based products containing precipitated calcium carbonate as a filler. According to the methed, an aqueous suspension of pulp is dewatered and dried in the presence of an aqueous dispersion of a rosin-based sizing agent, which comprises a rosin component and a rosin ester component, and an aqueous dispersion of a cellulose-reactive sizing agent. The invention also relates to an aqueous dispersion of sizing agents which comprises a rosin-based sizing agent, which contains a rosin component and a rosin ester component, and a cellulose-reactive sizing agent.
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申请公布号 |
CA2154046(C) |
申请公布日期 |
2000.09.19 |
申请号 |
CA19952154046 |
申请日期 |
1995.07.17 |
申请人 |
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发明人 |
COLASURDO, ANTHONY R.;HISKENS, IAN R.;MORGAN, NICHOLAS S.;SMITH, KAREN J. |
分类号 |
D21H21/16;C09J193/04;D21H11/00;D21H17/00;D21H17/05;D21H17/14;D21H17/15;D21H17/17;D21H17/62;D21H17/67;(IPC1-7):D21H17/62 |
主分类号 |
D21H21/16 |
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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