The influences of various reductive organic impurities, such as amines, phenols and sulfur compounds on the stability of HPAM aqueous solution have been studied by viscosimetry.

• 对各种还原性有机杂质如胺、酚和硫化物对HPAM水溶液稳定性的影响进行了研究。一般讲,大多数这些还原性杂质,对聚合物的氧化降解反应具有明显的促进作用,并使得溶液粘度大幅度降低。