Preparation and properties of nanocomposites composed of a water-soluble nylon and chitin nanofibers

被引：0
作者：
Ryogo Kobayashi
Mitsuhiro Shibata
机构：
[1] Chiba Institute of Technology,Department of Life and Environmental Sciences, Faculty of Engineering
来源：
Journal of Polymer Research | 2019年 / 26卷
关键词：
Water-soluble nylon; Chitin nanofiber; Nanocomposites; Insolubilization; Crosslinking; Thermal and mechanical properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nanocomposites composed of a water-soluble nylon (P-70, polyalkyleneoxide-modified poly(ɛ-caprolactum), and chitin nanofibers (ChNFs) were prepared by a casting method of the aqueous resin/fiber dispersion. P-70 was crosslinked with a resol-type phenolic resin (PR) and its ChNF nanocomposites were prepared to provide water resistance. The P-70/PR and P-70/PR/ChNF exhibited excellent water-resistance. The FT-IR analysis revealed that the crosslinked structure was formed by the reaction of amide groups of P-70 and methylol groups of PR. The glass transition temperature (Tg) of P-70/PR increased with increasing PR content, whereas the dispersion of ChNFs was deteriorated. Although the addition of ChNF to P-70 hardly affected the Tg, the addition of ChNF to P-70/PR caused a lowering of Tg. The tensile strength and modulus for P-70/ChNF nanocomposites increased with increasing ChNF content. The tensile strength of P-70/PR was lower than that of P-70, which increased by the addition of ChNF.
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