新型可溶性纤维素接枝超支化聚合物的简便合成及其作为潜在天然抗菌材料的研究。
Facile synthesis of novel soluble cellulose-grafted hyperbranched polymers as potential natural antimicrobial materials.
机构信息
Lund University, Centre of Analysis and Synthesis, P.O. Box 124, SE-22100 Lund, Sweden; Hacettepe University, Faculty of Science, Department of Chemistry, Beytepe, TR-06800 Ankara, Turkey.
Lund University, Centre of Analysis and Synthesis, P.O. Box 124, SE-22100 Lund, Sweden.
出版信息
Carbohydr Polym. 2017 Feb 10;157:1913-1921. doi: 10.1016/j.carbpol.2016.11.076. Epub 2016 Nov 28.
A new class of soluble cellulose-grafted hyperbranched polymers has been synthesized by a facile "hypergrafting" reaction using bis(2-chloroethyl)amine and soluble cellulose tosylates. The molecular structures of the obtained new materials were characterized by C NMR, FTIR spectroscopy, and elemental analysis. The degree of substitution of the hyperbranched cellulose derivatives ranges between 0.13-0.53. The new cellulose-based materials were soluble in various polar aprotic organic solvents. The thermal properties of the new cellulose materials were investigated by thermal gravimetric analysis. Antibacterial activity of the new cellulose derivatives was evaluated by diffusion disk tests against various gram negative and positive bacteria. Our results suggested that the obtained natural cellulosic materials can act as effective polymeric biocides, and may have great potential in various antimicrobial materials applications.
通过使用双(2-氯乙基)胺和可溶性纤维素对甲苯磺酸盐的简便“超支化”反应，合成了一类新型的可溶性纤维素接枝超支化聚合物。通过 C NMR、FTIR 光谱和元素分析对所得新材料的分子结构进行了表征。超支化纤维素衍生物的取代度在 0.13-0.53 之间。新型纤维素基材料可溶于各种极性非质子有机溶剂。通过热重分析研究了新型纤维素材料的热性能。通过扩散盘试验评估了新型纤维素衍生物对各种革兰氏阴性菌和阳性菌的抗菌活性。我们的结果表明，所得到的天然纤维素材料可以作为有效的聚合物杀生剂，并且在各种抗菌材料应用中可能具有很大的潜力。
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