Self-healing and shape-memory polymers based on cellulose acetate matrix

被引：3
|
作者：
Jia, Han [1 ]
Jimbo, Keiya [1 ]
Yokochi, Hirogi [2 ]
Otsuka, Hideyuki [2 ]
Michinobu, Tsuyoshi [1 ]
机构：
[1] Tokyo Inst Technol, Dept Mat Sci & Engn, 2-12-1 Ookayama,Meguro Ku, Tokyo 1528552, Japan
[2] Tokyo Inst Technol, Dept Chem Sci & Engn, Meguro Ku, Tokyo, Japan
来源：
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS | 2024年 / 25卷 / 01期
关键词：
Self-healing; shape memory; biodegradable; cellulose acetate; ureidopyrimidinone; POLYURETHANE; ELASTOMERS; NETWORKS; BEHAVIOR; AIR;
D O I：
10.1080/14686996.2024.2320082
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The creation of self-healing polymers with superior strength and stretchability from biodegradable materials is attracting increasing attention. In this study, we synthesized new biomass-derived cellulose acetate (CA) derivatives by ring-opening graft polymerization of delta-valerolactone followed by the introduction of ureidopyrimidinone (Upy) groups in the polymer side chains. Due to the semicrystalline aliphatic characteristics of the side chain poly(delta-valerolactone) (PVL) and quadruple hydrogen bonds formed by the Upy groups, the stretchability of the resulting polymers was significantly enhanced. Moreover, the shape memory ability and self-healing property (58.3% of self-healing efficiency) were successfully imparted to the polymer. This study demonstrates the great significance of using biomass sources to create self-healing polymers. [GRAPHICAL ABSTRACT]
引用
收藏
页数：10
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