发明名称 |
composição aquosa, método para a preparação de uma composição aquosa, processo para a produção de papel a partir de uma suspensão aquosa contendo fibras celulósicas, e, uso da composição aquosa. |
摘要 |
The present invention relates to an aqueous composition comprising anionic organic polymeric particles and colloidal anionic silica-based particles. The anionic organic polymeric particles are obtainable by polymerising one or more ethylenically unsaturated monomers together with one or more polyfunctional branching agents and/or polyfunctional crosslinking agents. The anionic organic polymeric particles and the colloidal anionic silica-based particles in the aqueous composition are present in an amount of at least 0.01% by weight based on the total weight of the aqueous composition. The present invention further relates to a method for the preparation of the aqueous composition, uses of the aqueous composition and a process for the production or paper, in which the aqueous composition is added to a cellulosic suspension. |
申请公布号 |
BR0210338(B1) |
申请公布日期 |
2012.09.18 |
申请号 |
BR20020210338 |
申请日期 |
2002.06.10 |
申请人 |
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发明人 |
DUNCAN CARR;MICHAEL SIGMAN |
分类号 |
C08J3/02;D21H19/00;B01J13/00;C08F20/02;C08F26/10;C08K3/36;C08L33/00;C08L101/00;D21H17/38;D21H17/42;D21H17/67;D21H17/68;D21H21/10;D21H23/04 |
主分类号 |
C08J3/02 |
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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