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Synthesis of hyperbranched polyglycerols using ascorbic acid as an activator

机译:以抗坏血酸为活化剂合成超支化聚甘油

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In this work, low molecular weight hyperbranched polyglycerols (LMPGs) are synthesized in bulk using ascorbic acid as an activator. Different molar ratios of glycidol and ascorbic acid were mixed and stirred at ambient conditions and LMPGs with different molecular weights, degree of branching and relative abundance of the structural units were obtained. According to spectroscopy data, ascorbic acid was not incorporated in the structure of the polymer and plays the role of activating agent in the polymerization process. In this synthetic protocol, no other chemical reagents and organic solvents were used. Therefore, products are free of toxic impurities and suitable for future biomedical applications.
机译:在这项工作中,使用抗坏血酸作为活化剂,大量合成了低分子量超支化聚甘油(LMPG)。在环境条件下混合和搅拌不同摩尔比的缩水甘油和抗坏血酸,得到具有不同分子量,支化度和结构单元的相对丰度的LMPG。根据光谱数据,抗坏血酸未掺入聚合物的结构中,并在聚合过程中起活化剂的作用。在此合成方案中,未使用其他化学试剂和有机溶剂。因此,产品不含有毒杂质,适合未来的生物医学应用。

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