淀粉基水凝胶的形成与性能调整机制

IF 10.7 1区 化学 Q1 CHEMISTRY, APPLIED
Jin Zhang , Zihan Liu , Jingxuan Sun , Zhuojun Yao , Hao Lu
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引用次数: 0

摘要

以三维网络结构为特征的淀粉基水凝胶因其生物降解性、低成本和丰富的可修饰羟基而受到越来越多的关注。然而,人们对这些水凝胶的形成和性质调节机制还没有系统的了解。本综述从过去十年的文献中汲取营养,深入探讨了如何通过各种凝胶化机制、交联策略和第二网络结构来设计多功能淀粉基水凝胶。本综述旨在为控制淀粉基水凝胶的特性建立一个理论框架。淀粉水凝胶形成的一个重要方面是膨胀颗粒产生的致密蜂窝状结构;当这些颗粒完全破裂时,淀粉再结晶产生了对网络稳定性至关重要的 "交界区"。在双网络水凝胶中,聚乙烯醇(PVA)、海藻酸钠(SA)和聚丙烯酰胺(PAM)等材料形成了有效的二级网络,增强了水凝胶的机械强度和多功能性。淀粉基水凝胶的功能化主要是通过引入官能团、二级网络和离子液体来实现的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The formation and performance tuning mechanism of starch-based hydrogels

The formation and performance tuning mechanism of starch-based hydrogels
Starch-based hydrogels, characterized by their three-dimensional network structures, are increasingly explored for their biodegradability, low cost, and abundance of modifiable hydroxyl groups. However, a comprehensive understanding of the mechanisms behind the formation and property modulation of these hydrogels has not been systematically described. Drawing from literature of the past decade, this review provides insights into designing multifunctional starch-based hydrogels through various gelation mechanism, crosslinking strategies, and second-network structure. This comprehensive review aims to establish a theoretical framework for controlling the properties of starch-based hydrogels. A crucial aspect of starch hydrogel formation is the dense, cellular structure produced by swollen particles; when these particles fully disrupt, amylose recrystallization creates “junction zones” essential for network stability. In double-network hydrogels, materials such as polyvinyl alcohol (PVA), sodium alginate (SA), and polyacrylamide (PAM) form an effective secondary network, enhancing the mechanical strength and versatility of the hydrogel. The functionalization of starch-based hydrogels is primarily achieved through the introduction of functional group, secondary networks, and ionic liquids.
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来源期刊
Carbohydrate Polymers
Carbohydrate Polymers 化学-高分子科学
CiteScore
22.40
自引率
8.00%
发文量
1286
审稿时长
47 days
期刊介绍: Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.
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