采用高分子凝聚剂对办公废纸的油墨颗粒进行浮选脱墨，可降低脱墨浆中的尘埃度并增加产品的白度。
The study indicate that addition of polymers agglomeration reagent during flotation deinking of office waste paper can reduce dirt count of deinking pulp and increase in brightness of the product.
凹印和柔印前后，油墨颜料颗粒尺寸会发生变化。
In gravure printing and flexo printing, ink pigment particle size will change after several hours.
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