分析了硅灰石填料的形态、粒径分布和Zeta电位对造纸过程的影响,探讨了采用硫酸铝或硫酸铝/聚丙烯酰胺二元改性硅灰石填料性能变化及其对留着效果的影响。 The effects of morphology, particle size distribution and Zeta potential of wollastonite on the papermaking process were analyzed. The properties of the filler modified by aluminum sulfate or aluminum sulfate / polyacrylamide binary modified wollastonite and its effect on retention influences.