DESCRIPTION OF CHITOSANE GRAFTED ACRYLIC ACID BASED HYDROGEL SWELLING KINETICS AND THEIR USE IN NEW DESIGNED SYSTEM

T. Erceg, Gaja Brakus, D. Kojić, N. Vukić, V. Teofilović, Jelena Tanasić, I. Ristić
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Abstract

Chitosan based hydrogel was synthesized via free-radical polymerization in a two-step procedure, after modification of chitosan by acrylic acid. Dynamic swelling test was carried out in distilled water at room temperature. Swelling kinetics was modeling using the principle of assuming the equation for a swelling ratio-time empirical dependence. Using regression analysis in this way gives the possibility for simpler determination of swelling ratio-time empirical dependence, knowing the graph functions. Obtained hydrogel was used for preparation of new bilayer hydrogel system which has potential application in wound dressing systems and other fields where pH sensitivity and improved mechanical properties of biopolymers are required in framework of green, cost-effective process.
壳聚糖接枝丙烯酸基水凝胶溶胀动力学及其在新设计体系中的应用
用丙烯酸对壳聚糖进行改性,采用自由基聚合两步法合成壳聚糖基水凝胶。在室温蒸馏水中进行动态溶胀试验。溶胀动力学采用假设溶胀比-时间经验依赖方程的原理进行建模。通过这种方式使用回归分析,可以更简单地确定膨胀比-时间经验依赖关系,知道图函数。所得的水凝胶被用于制备新的双层水凝胶体系,该体系在伤口敷料系统和其他需要pH敏感性和提高生物聚合物力学性能的领域具有潜在的应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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