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Low molecular weight water-soluble carboxyl group-containing polymer mixture and method for producing the same
Low molecular weight water-soluble carboxyl group-containing polymer mixture and method for producing the same
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机译:低分子量水溶性含羧基聚合物混合物及其制备方法
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摘要
A process to efficiently utilize the chain transfer agent, hypophosphorus acid or salts, in the preparation of low molecular weight carboxylate polymers is provided and comprises employing in-process neutralization of the carboxylic acid monomer(s). A low molecular weight carboxylate polymer containing phosphinate and phosphonate functional groups and where not more than 20% of the phosphorus is present in inorganic non-polymeric compounds is also provided.
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