采用直接乳化法制备聚碳酸亚丙酯(PPC)乳液,研究乳化剂亲水亲油平衡(HLB)值、连续相聚乙烯醇(PVA)浓度对乳液性能的影响.研究表明,当乳化剂HLB值在12.6~ 16.0之间时,均可制得PPC乳液.PVA质量分数高于1%则会导致PPC乳液稳定性下降.当乳化剂HLB值为13.0时,乳液白色泛蓝光,电导率为96.2 μS/cm,固含量为3.73%,5000 r/min下离心10 min既无沉淀也无分层产生,静置半月无明显变化,粒径分布曲线分别在2 μm和30 μm处有2个独立的峰.
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