Effect of Mg<sup>2+</sup> on structure and physical chemistry properties of PVA/GG-Mg<sup>2+</sup> composite hydrogels

WANG Fei; BAI Tongchun

doi:10.11949/0438-1157.20191330

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Effect of Mg²⁺ on structure and physical chemistry properties of PVA/GG-Mg²⁺ composite hydrogels

Material science and engineering\, nanotechnology | 更新时间：2026-07-24

- Effect of Mg²⁺ on structure and physical chemistry properties of PVA/GG-Mg²⁺ composite hydrogels
- CIESC Journal Vol. 71, Issue 1, Pages: 376-387(2020)
- 作者机构：
  
  苏州大学材料与化学化工学部，江苏苏州 215123
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20191330
  CLC： TQ 610.495
- Received：03 November 2019，
  
  Revised：2019-11-27，
  
  Online First：12 August 2020，
  
  Published：05 January 2020
- 稿件说明：
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王飞, 白同春. 镁离子对PVA/GG-Mg²⁺复合水凝胶的结构和物理化学性质的影响[J]. 化工学报, 2020, 71(1): 376-387 DOI: 10.11949/0438-1157.20191330.

WANG Fei, BAI Tongchun. Effect of Mg²⁺ on structure and physical chemistry properties of PVA/GG-Mg²⁺ composite hydrogels[J]. CIESC Journal, 2020, 71(1): 376-387 DOI: 10.11949/0438-1157.20191330.
王飞, 白同春. 镁离子对PVA/GG-Mg²⁺复合水凝胶的结构和物理化学性质的影响[J]. 化工学报, 2020, 71(1): 376-387 DOI: 10.11949/0438-1157.20191330. DOI：

WANG Fei, BAI Tongchun. Effect of Mg²⁺ on structure and physical chemistry properties of PVA/GG-Mg²⁺ composite hydrogels[J]. CIESC Journal, 2020, 71(1): 376-387 DOI: 10.11949/0438-1157.20191330. DOI：

摘要

聚乙烯醇(PVA)和结冷胶(GG)构成的复合水凝胶(PVA/GG)有助于提高材料的生物相容性，在生物材料方面得到广泛的关注和应用。为进一步改善其结构和力学性质，在PVA/GG中引入Mg

参与高分子链的交联，合成了PVA/GG-Mg

复合水凝胶。通过分析其网络结构、力学性质、溶胀和热失水动力学，研究了Mg

对分子间作用、水凝胶结构和性质的影响。结果表明在PVA/GG-Mg

水凝胶中，Mg

对重组网络结构、增强力学性能、强化离子与高分子的静电和氢键作用、改进水凝胶的保水性能等方面起到了很重要的作用。系统中Mg

所产生的影响与PVA/GG-Ca

和PVA/GG-Al

复合水凝胶中Ca

和Al

的影响相似。研究有助于复合水凝胶在生物材料领域的应用。

Abstract

The composite hydrogels of polyvinyl alcohol (PVA) and gellan gum (GG) are of interesting in the biomaterials application for its better biocompatibility. To improve the structure and mechanical properties of hydrogels

in this work

was introduced to crosslink the polymer chain

and the PVA/GG-Mg

hydrogel was formed. By analyzing its network structure

mechanical properties

swelling and dehydration kinetics

the effect of Mg

on the molecular interaction

hydrogel network structure and physical properties have been observed. The result indicates that

plays an important role in PVA/GG-Mg

hydrogel

it reorganizes the network stru

cture

enhances the mechanical properties

strengthens the electrolytic and hydrogen bonding interactions

and improves the water holding property. The effect of the interaction between GG and Mg

is similar to the composite hydrogels of PVA/GG-Ca

and PVA/GG-Al

. These observations will help the development of composite hydrogels in biomaterials application.

关键词

Keywords

references

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⁰

Effect of Mg2+ on structure and physical chemistry properties of PVA/GG-Mg2+ composite hydrogels

DOI：10.11949/0438-1157.20191330

摘要

Abstract

关键词

Keywords

references

Effect of Mg²⁺ on structure and physical chemistry properties of PVA/GG-Mg²⁺ composite hydrogels