Optical and Mechanical Properties of CMCNF-dispersed MMT/CMC-Na Nanocomposite Films: Influence of the Degree of Substitution of CMCNFs

Guanhui Li; Gaoyuan Hou; Hong Xie; Dejian Zhang; Jinyi Cui; Zhiqiang Fang

首页> 中文期刊> 《造纸与生物质材料：英文版》 >Optical and Mechanical Properties of CMCNF-dispersed MMT/CMC-Na Nanocomposite Films: Influence of the Degree of Substitution of CMCNFs

Optical and Mechanical Properties of CMCNF-dispersed MMT/CMC-Na Nanocomposite Films: Influence of the Degree of Substitution of CMCNFs

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Carboxymethylated cellulose nanofibril(CMCNF)is an effective green dispersant to prepare well-dispersed monolayer montmorillonites(MMTs)in water,thereby facilitating the preparation of a high-performance MMT/polymer nanocomposite film.However,not enough attention has been paid to correlating the degree of substitution(DS)of CMCNFs with the mechanical and optical properties of the final nanocomposite films.In this study,a series of homogeneous monolayer MMT nanoplatelet dispersions was prepared initially using CMCNFs with different DS as a dispersant,and the as-prepared CMCNF-dispersed MMT dispersions were then mixed with sodium carboxymethyl cellulose(CMC-Na)to fabricate nacre-like nanocomposite films with different contents of MMTs through self-assembly.The layered nanostructure and optical and mechanical properties of the asprepared CMCNF-dispersed MMT/CMC-Na nanocomposite films were investigated,which demonstrated that CMCNFs with lower DS have a positive effect on their optical and mechanical properties.This study sheds light on the preparation of MMT-based nanocomposite films with superior optical and mechanical properties.

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《造纸与生物质材料：英文版》 |2020年第4期|P.18-26|共9页
作者
Guanhui Li; Gaoyuan Hou; Hong Xie; Dejian Zhang; Jinyi Cui; Zhiqiang Fang;
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作者单位

State Key Laboratory of Pulp and Paper Engineering Guangzhou Guangdong Province 510640 China;

State Key Laboratory of Pulp and Paper Engineering Guangzhou Guangdong Province 510640 China;

State Key Laboratory of Pulp and Paper Engineering Guangzhou Guangdong Province 510640 China;

State Key Laboratory of Pulp and Paper Engineering Guangzhou Guangdong Province 510640 China;

State Key Laboratory of Pulp and Paper Engineering Guangzhou Guangdong Province 510640 China;

State Key Laboratory of Pulp and Paper Engineering Guangzhou Guangdong Province 510640 ChinaKey Laboratory of Pulp and Paper Science&Technology of Ministry of Education/Shandong Province Qilu University of Technology(Shandong Academy of Sciences) Ji''nan Shandong Province 250353 China;

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正文语种 chi
中图分类工程材料学;
关键词
carboxymethylated cellulose nanofibril; degree of substitution; green dispersant; montmorillonite; nanocomposite film;

机译：羧甲基化纤维素纳米纤维;替代程度;绿色分散剂;蒙脱石;纳米复合膜;

Optical and Mechanical Properties of CMCNF-dispersed MMT/CMC-Na Nanocomposite Films: Influence of the Degree of Substitution of CMCNFs

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