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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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高固含量mma和ba微乳液共聚
Keywords: 高固含量,微乳液,乳液共聚,半连续乳液聚合法
Abstract:
？采用半连续乳液聚合法制备高固含量甲基丙烯酸甲酯/丙烯酸丁酯（mma/ba）微乳液，讨论了表面活性剂的类型和用量在高固含量mma和ba微乳液聚合过程中特性及其对最终产品性能的影响，并测定了微乳液的化学稳定性、冻融稳定性和机械稳定性。实验得到了固含量达50％，平均相对分子质量为10[sup]6[/sup]，粒径为30～50nm的微乳液。通过特定的实验，观察到分子量的双峰分布和乳液粒径的多分散性表明，微乳液成核的途径包括胶束成核、单体液滴成核和均相成核之一种或三种；并且制备的微乳液均表现出良好的机械、化学和冻融稳定性。
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