采用半连续滴加方法和碱溶胀后处理方法制备了P(MAA/MMA/BA)为核、P(St/MA/BA)为壳的空心乳液.详细研究了乳化剂的用量对粒径的影响,MAA用量、核壳比对乳液的白度和黏度的影响,并利用透射电镜对空心乳液的微观结构进行了表征.结果表明,乳化剂用量为单体质量的1.5%时,乳胶粒粒径较小,分布较窄;MAA用量及核壳比增加,中空度增加,当MAA用量为核单体的20%、核壳比为1∶5时,白度达到93.60.
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