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WATER-SOLUBLE OR WATER-SWELLABLE POLYMER AQUEOUS DISPERSION
WATER-SOLUBLE OR WATER-SWELLABLE POLYMER AQUEOUS DISPERSION
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机译:水溶性或水溶胀的聚合物水分散体
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摘要
The present invention concerns an aqueous dispersion comprising particles of water-soluble polymer of average molecular weight higher than or equal to 0.5 million daltons, or of water-swellable polymer, and a mixture of at least one sulfate salt and at least one phosphate salt in weight proportions of between 25:75 and 75:25
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