γ辐照轻交联聚丙烯酸凝胶体系的流变性能研究

IF 0.9 4区 化学 Q4 CHEMISTRY, PHYSICAL
V. A. Abramov, A. R. Gataullin, S. A. Bogdanova, S. V. Demidov, R. A. Kemalov, S. R. Allayarov
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引用次数: 0

摘要

摘要研究了微交联聚丙烯酸卡波姆141G胶凝剂γ辐照对卡波姆凝胶流变性能的影响。研究发现,空气中γ辐照剂量的增加会对聚合物产生破坏作用,导致流变参数(如粘度、屈服强度和滞后面积)的降低。在空气中以大于300 kGy的剂量辐照卡波姆会导致其凝胶形成性能显著降低或完全丧失。与此同时,与初始系统相比,在真空中以相同剂量辐照卡波姆导致粘度下降的幅度很小,仅为2%。得到稳定的抗菌凝胶的最佳胶凝剂是剂量为30 kGy的卡波姆。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Rheological Properties of Gel Systems Based on Gamma-Irradiated Lightly Crosslinked Polyacrylic Acid

Rheological Properties of Gel Systems Based on Gamma-Irradiated Lightly Crosslinked Polyacrylic Acid

Abstract

The effect of γ-irradiation of the gelling agent Carbomer 141G, which is lightly crosslinked polyacrylic acid, on the rheological properties of gels based on the carbomer has been studied. It has been found that an increase in the dose of γ-irradiation in air has a destructive effect on the polymer, leading to a decrease in rheological parameters, such as viscosity, yield strength, and hysteresis area. Irradiation of the carbomer in air with doses greater than 300 kGy leads to a significant decrease or the complete loss of its gel-forming properties. At the same time, irradiation of the carbomer with the same dose in vacuum causes as small a decline in viscosity as 2% compared to the initial systems. It has been established that the optimal gelling agent for obtaining stable antibacterial gels is the carbomer irradiated with a dose of 30 kGy.

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来源期刊
High Energy Chemistry
High Energy Chemistry 化学-物理化学
CiteScore
1.50
自引率
28.60%
发文量
62
审稿时长
6-12 weeks
期刊介绍: High Energy Chemistry publishes original articles, reviews, and short communications on molecular and supramolecular photochemistry, photobiology, radiation chemistry, plasma chemistry, chemistry of nanosized systems, chemistry of new atoms, processes and materials for optical information systems and other areas of high energy chemistry. It publishes theoretical and experimental studies in all areas of high energy chemistry, such as the interaction of high-energy particles with matter, the nature and reactivity of short-lived species induced by the action of particle and electromagnetic radiation or hot atoms on substances in their gaseous and condensed states, and chemical processes initiated in organic and inorganic systems by high-energy radiation.
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