Cellulose nanofibers/silk fibroin nanohybrid sponges with highly ordered and multi-scale hierarchical honeycomb structure

被引：19

作者：

Gao, Kezheng ^{[1
]}

Guo, Yaqing ^{[1
]}

Niu, Qingyuan ^{[1
]}

Han, Lifeng ^{[1
]}

Zhang, Linsen ^{[1
]}

Zhang, Yong ^{[1
]}

Wang, Lizhen ^{[1
]}

机构：

[1] Zhengzhou Univ Light Ind, Sch Mat & Chem Engn, State Lab Surface & Interface Sci & Technol, Zhengzhou 450002, Henan, Peoples R China

来源：

CELLULOSE | 2018年 / 25卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Cellulose nanofibers; Silk fibroin; Nanohybrid sponges; Biomimetic honeycomb structure; TEMPO-MEDIATED OXIDATION; SILK FIBROIN; MIDDLE DIVISION; STATE; MICROFIBRILS; RHEOLOGY;

D O I：

10.1007/s10570-017-1545-x

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

Highly ordered cellulose nanofibers/silk fibroin nanohybrid (CSN) honeycomb materials with multi-scale hierarchical architectures are successfully prepared from CSN hydrogel precursors using unidirectional freeze-drying technique. Cellulose nanofibers have an outstanding highly ordered honeycomb structure-directing function in composite hydrogel. However, silk fibroin does not have such function. Therefore, the properties of the CSN sponges can be effectively adjusted by simple changing the ratio of cellulose nanofibers to silk fibroin. When the content of silk fibroin reaches 50%, the CSN-50 sponge exhibits a nearly perfect highly ordered honeycomb structure with multi-scale hierarchical architectures. And the Brunauer-Emmett-Teller specific surface area is about 120 m(2) g(-1).

引用

页码：429 / 437

页数：9

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