纸机湿部添加羧甲基淀粉钠对纸张强度的影响

Impact of Adding Sodium Carboxymethyl Starch in Wet End on Paper Strength

从实用角度出发研究羧甲基淀粉钠(CMS)在纸机湿部添加对纸张强度的影响,结果表明:CMS与阳离子PAE配合有明显的协同效应;纸浆系统的pH值、盐浓度、助剂的添加次序、剪切力、不同的阳离子聚合物、CMS的取代度及用量,对纸张强度都有一定的影响。

Sodium carboxymethyl starch （CMS） is a papermaldng chemical agent. Stand on the practical point to research the impact of CMS on paper strength, the results showed that： CMS and cationic PAE have obvious synergies; the pH of the pulp system, salt concentration, adding order, shear force, different cationic polymers, the degree of substitution of CMS and the amount of CMS have a certain influence on the paper strength.