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METHOD OF OBTAINING WATER-SOLUBLE OR WATER-SWELLABLE POLYMERS OF VERY LOW CONTENT OF RESIDUAL MONOMERS, PRODUCTS OBTAINED THEREBY AND THEIR APPLICATION
METHOD OF OBTAINING WATER-SOLUBLE OR WATER-SWELLABLE POLYMERS OF VERY LOW CONTENT OF RESIDUAL MONOMERS, PRODUCTS OBTAINED THEREBY AND THEIR APPLICATION
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机译:一种非常低含量残留单体的水溶性或水溶胀性聚合物的获得方法及其获得的产品及其应用
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摘要
The invention relates to a process for producing water-soluble or water-swellable polymer products from acrylic acid and/or acrylic acid derivatives partially or completely neutralized with nitrogen compounds and with exceedingly low levels of residual monomers, which process is characterized by subsequent heating of the polymer product at temperatures of from 120 to 240° C. The polymers produced accordingly are suitable for use as flocculants, dispersants and absorbers.
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