The retention of anionic emulsion rosin sice ard development of sizing are gffected by alum and cationic polymers,(such as sine fixing agats and retention aids).

• 阳离子乳液型松香胶的留着和呈现施胶效果受硫酸铝和阳离子聚合物(胶料固着剂和助留剂)的影响。