Manipulation of Native Cellulose Eletrospinning from LiCl-DMAc System

被引：6

作者：

Wang Shaojun ^{[1
,2
]}

Luo Ting ^{[1
,2
]}

Zhang Xiaomin ^{[1
,2
]}

Shu You ^{[3
]}

Zhu Jin ^{[4
]}

Su Shengpei ^{[1
,2
]}

机构：

[1] Key Lab Fine Proc Resources & Adv Mat Hunan Prov, Beijing, Hunan, Peoples R China

[2] Hunan Normal Univ, Natl & Local Joint Engn Lab New Petrochem Mat &, Changsha 410081, Hunan, Peoples R China

[3] Huaihua Univ, Hunan Engn Lab Preparat Technol Polyvinyl Alcohol, Huaihua 418000, Peoples R China

[4] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

来源：

CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE | 2017年 / 38卷 / 06期

关键词：

Cellulose; Electrospinning; Lithium chloride/dimethylacetamide; Nonsolvent; Nanofibers; ELECTROSPUN; NANOFIBERS; FIBERS; MORPHOLOGY; SCAFFOLD; MATS;

D O I：

10.7503/cjcu20160833

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cellulose nanofibers have been successfully fabricated by electrospinning of cellulose/lithium chloride. dimethylacetamide(LiCl-DMAc) solutions manipulated by nonsolvents. DMAc and dimethyl formamide(DMF) are used as the nonsolvents which is added into the concentrated cellulose solution. The effects of nonsolvents on the properties of cellulose solution and the morphology of electrospun cellulose nanofibers were investigated. Addition of nonsolvents is beneficial to increase the electrospinnable concentration of cellulose solution and obtain well. distributed nanofibers. The result of manipulating by DMF is better than DMAc. The improvement in electrospinnable concentration correlates well with the addition of nonsolvents which can decrease the viscosity of cellulose solution. The morphology of electrospun cellulose nanofibers is related to the rate of jet coagulation which is affected by the stability of cellulose solution during electrospinning.

引用

页码：990 / 996

页数：7

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