Polybutyl acrylate(PBA)latex with large particle size was prepared by seeding emulsion polymerization.Effect of prescriptions and process on particle size were studied.

• 采用种子乳液聚合法制备了丙烯酸酯-苯乙烯-丙烯腈共聚物生产工艺中的基础胶乳聚丙烯酸丁酯(PBA),考察了配方和工艺条件对其粒径增大的影响。