Dispersant for paper filling was synthesized.Effects of acrylic acid/maleic anhydride ratio and type of initiating agent on rasin viscosity and dispersion were discussed.

• 合成了造纸填料用分散剂,讨论了马来酸酐与丙烯酸比例、引发剂体系种类对树脂粘度及分散性的影响。