Preparation and properties of a double-crosslinked, high-strength polyvinyl alcohol/acylhydrazone self-healing hydrogel

被引：0
|
作者：
Mao, Jie [1 ]
Liu, Yalei [2 ]
Chen, Lijun [2 ]
Wang, Sui [2 ,3 ]
机构：
[1] Zhejiang Pharmaceut Univ, Dept Basic, Ningbo, Peoples R China
[2] Ningbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Managing Biot & Chem Threats Qual &, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo, Peoples R China
[3] Ningbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Managing Biot & Chem Threats Qual &, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Peoples R China
来源：
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS | 2024年 / 73卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Acylhydrazone; cross-linked; gel; self-healing; NANOCOMPOSITE HYDROGELS; CELLULOSE NANOFIBRILS; ALCOHOL) HYDROGELS; FATIGUE RESISTANT; BEHAVIOR; LINKING; STRAIN; TOUGH;
D O I：
10.1080/00914037.2022.2163641
中图分类号：
TB3 [工程材料学]; R318.08 [生物材料学];
学科分类号：
0805 ; 080501 ; 080502 ;
摘要：
In this paper, PVA/BDA/ADH gels with good mechanical properties and self-healing properties were prepared using polyvinyl alcohol (PVA), 4,4-biphenyldicarboxaldehyde (BDA), and adipic dihydrazide (ADH) as raw materials. The hydrogel network achieves chemical-physical double cross-linking through acylhydrazone bonds and hydrogen bonds. The as-prepared PVA/BDA/ADH gels have good mechanical properties (the tensile stress of PVA/BDA/ADH gels is about 2 times that of pure PVA hydrogel) due to chemical and physical double cross-linking. It also has good self-healing properties under external conditions. Compared with pure PVA hydrogel, PVA/BDA/ADH gels have more stable self-healing properties.
引用
收藏
页码：371 / 382
页数：12
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