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A novel approach for the synthesis of lactic acid-based polymers in an aqueous dispersed medium
Sustainable Chemistry and Pharmacy ( IF 6 ) Pub Date : 2019-12-27 , DOI: 10.1016/j.scp.2019.100211
Raissa Gabriela M. Reis Barroso , Sílvia B. Gonçalves , Fabricio Machado

In recent years, the search for environmentally friendly monomers has gradually increased as an important field, attracting the attention of researchers worldwide. Our approach to obtaining lactic acid-based polymers entails the use of an environmentally friendly monomer, derived from lactic acid (ELA), presenting double-bond functionality, allowing it to undergo free-radical polymerization, while further having an eco-friendly water-based miniemulsion polymerization process. It has been demonstrated that the ELA/methyl methacrylate (MMA) copolymer can successfully be synthesized. Highly stable latexes were obtained at high conversion. The incorporation of ELA and its effect on the copolymer properties were evaluated; results indicated that polymer properties such as average molar masses and glass transition temperatures are strongly dependent on the ELA composition.



中文翻译:

在水性分散介质中合成基于乳酸的聚合物的新方法

近年来,对环境友好型单体的搜索已逐渐成为一个重要领域,吸引了全世界研究人员的关注。我们获取基于乳酸的聚合物的方法需要使用衍生自乳酸(ELA)的环保单体,具有双键功能,使其能够进行自由基聚合,同时还具有环保的水-基础的细乳液聚合工艺。已经证明,可以成功地合成ELA /甲基丙烯酸甲酯(MMA)共聚物。在高转化率下获得了高度稳定的胶乳。评估了ELA的掺入及其对共聚物性能的影响;

更新日期:2019-12-27
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