Reinforcing Biopolymer Hydrogels with Ionic-Covalent Entanglement Hydrogel Microspheres

被引：9

作者：

Kirchmajer, Damian Martin

Panhuis, Marc In Het ^{[1
]}

机构：

[1] Univ Wollongong, Soft Mat Grp, Sch Chem, AIIM Facil, Wollongong, NSW 2522, Australia

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2014年 / 131卷 / 15期

基金：

澳大利亚研究理事会;

关键词：

biopolymers and renewable polymers; gels; mechanical properties; polysaccharides; DOUBLE-NETWORK HYDROGELS; HIGH MECHANICAL STRENGTH; CROSS-LINKED GELATIN; GELLAN GUM; PSEUDOMONAS-ELODEA; TOUGH HYDROGELS; GENIPIN; POLYSACCHARIDE; OPTIMIZATION; MICROGELS;

D O I：

10.1002/app.40557

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Microscopic hydrogel spheres can be used to improve the mechanical properties of conventional hydrogels. We prepared ionic-covalent entanglement (ICE) hydrogel microspheres of calcium cross-linked gellan gum and genipin cross-linked gelatin using a water-in-oil emulsion-based processing technique. The method was optimized to produce microspheres with number average diameter 4 +/- 1 mu m. These ICE microspheres were used to reinforce gelatin hydrogels and improve their compressive mechanical properties. The strongest microsphere reinforced hydrogels possessed a compressive mechanical stress at failure of 0.50 +/- 0.1 MPa and a compressive secant modulus of 0.18 +/- 0.02 MPa. (c) 2014 Wiley Periodicals, Inc.

引用

页数：8

共 44 条

[1] Extrusion printing of ionic-covalent entanglement hydrogels with high toughness [J].