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发明授权
US07655710B2 Use of water-soluble polymers as auxiliary drying agents for the production of polymer dispersing agents 有权
使用水溶性聚合物作为制备聚合物分散剂的辅助干燥剂

Use of water-soluble polymers as auxiliary drying agents for the production of polymer dispersing agents
摘要：
The invention relates to the use of water-soluble polymers, consisting of a) monoethylenically unsaturated monomers consisting of acidic groups in an acidic, partially or fully neutralized form and b) other monomers which can be copolymerized with monomers a) as a drying agent for the production of redispersion power and/or powdery polymer dispersing agents. The water-soluble polymers contain at least 20 wt. % monomers (a) and a maximum of 8O wt. % monomers (b) and are supplied to the production process in the form of aqueous solutions in amounts of up to 50 wt. % maximum, enabling powder, polymer products with a residual moisture of
摘要（中）：

本发明涉及由以下组成的水溶性聚合物的使用：a）由酸性，部分或完全中和形式的酸性基团组成的单烯属不饱和单体和b）可与单体共聚的其它单体a）作为干燥剂 再分散功率的产生和/或粉状聚合物分散剂。 水溶性聚合物含有至少20wt。 ％单体（a）和最多80重量％ ％的单体（b），并且以水溶液的形式以至多50重量％的量供入生产过程。 ％最大值，使粉末，聚合物产品残留水分<2wt。 ％，特别是在喷雾干燥过程中，并以0.05-5wt。％的量添加到作为分散剂的矿物体系中。 ％或用作建筑材料，用于粘合剂中的再分散粉末的矿物结合或其本身的粘合剂。

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