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  • ISSN 1006-3080
  • CN 31-1691/TQ

用基团贡献法估算聚乙二醇单甲醚-聚乳酸两亲嵌段共聚物的HLB值

董亚娟 惠志倩 戎宗明

董亚娟, 惠志倩, 戎宗明. 用基团贡献法估算聚乙二醇单甲醚-聚乳酸两亲嵌段共聚物的HLB值[J]. 华东理工大学学报(自然科学版), 2017, (5): 640-646. doi: 10.14135/j.cnki.1006-3080.2017.05.007
引用本文: 董亚娟, 惠志倩, 戎宗明. 用基团贡献法估算聚乙二醇单甲醚-聚乳酸两亲嵌段共聚物的HLB值[J]. 华东理工大学学报(自然科学版), 2017, (5): 640-646. doi: 10.14135/j.cnki.1006-3080.2017.05.007
DONG Ya-juan, HUI Zhi-qian, RONG Zong-ming. Estimation of Hydrophile-Lipophile Balance for mPEG-PLA by Group Contribution Method[J]. Journal of East China University of Science and Technology, 2017, (5): 640-646. doi: 10.14135/j.cnki.1006-3080.2017.05.007
Citation: DONG Ya-juan, HUI Zhi-qian, RONG Zong-ming. Estimation of Hydrophile-Lipophile Balance for mPEG-PLA by Group Contribution Method[J]. Journal of East China University of Science and Technology, 2017, (5): 640-646. doi: 10.14135/j.cnki.1006-3080.2017.05.007

用基团贡献法估算聚乙二醇单甲醚-聚乳酸两亲嵌段共聚物的HLB值

doi: 10.14135/j.cnki.1006-3080.2017.05.007

Estimation of Hydrophile-Lipophile Balance for mPEG-PLA by Group Contribution Method

  • 摘要: 采用水数法测定了聚乙二醇单甲醚-聚乳酸两亲嵌段共聚物系列样品的HLB(Hydrophile-Lipophile Balance)值,其数值与分子中亲水基团的体积分数(φEO)呈线性变化规律。以Γ-分布概率密度函数描述聚乳酸链中单个聚乳酸链节对HLB的贡献,则聚乳酸链的有效链长可由Γ-分布概率密度函数的积分求得,由此得到了用基团贡献法估算此类共聚物HLB的方法,HLB计算方法的平均绝对误差小于0.97,与其实验测定误差相当,比常用的Griffin方法更为准确。

     

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出版历程
  • 收稿日期:  2017-03-27
  • 刊出日期:  2017-10-28

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