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PROCESS FOR PREPARING LOW MOLECULAR WEIGHT POLYACRYLIC ACIDS WITH NARROW MOLECULAR WEIGHT DISTRIBUTION IN A TUBULAR REACTOR
PROCESS FOR PREPARING LOW MOLECULAR WEIGHT POLYACRYLIC ACIDS WITH NARROW MOLECULAR WEIGHT DISTRIBUTION IN A TUBULAR REACTOR
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机译:管状反应器中分子量分布窄的低分子量聚丙烯酸酯的制备方法
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摘要
Polyacrylic acids with a low molecular weight and narrow molecular weight distribution are prepared by polymerising an aqueous solution of acrylic acid in a tubular reactor to which steam is fed in the presence of H2O2 and hydroxylammonium sulphate as starter system. These polymers may be used as pigment dispersants.
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机译:具有低分子量和窄分子量分布的聚丙烯酸是通过在管式反应器中使丙烯酸的水溶液聚合而制备的,该管式反应器在存在H 2 O 2和硫酸羟铵作为起始剂体系的情况下向其中加入蒸汽。这些聚合物可以用作颜料分散剂。
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