Preparation of high-strength transparent chitosan film reinforced with surface-deacetylated chitin nanofibers

被引：131

作者：

Ifuku, Shinsuke ^{[1
]}

Ikuta, Akiko ^{[1
]}

Egusa, Mayumi ^{[2
,3
]}

Kaminaka, Hironori ^{[2
]}

Izawa, Hironori ^{[1
]}

Morimoto, Minoru ^{[4
]}

Saimoto, Hiroyuki ^{[1
]}

机构：

[1] Tottori Univ, Grad Sch Engn, Dept Chem & Biotechnol, Tottori 6808552, Japan

[2] Tottori Univ, Fac Agr, Tottori 6808553, Japan

[3] Tottori Univ, Org Reg Ind Acad Cooperat, Tottori 6808550, Japan

[4] Tottori Univ, Res Ctr Biosci & Technol, Tottori 6808550, Japan

来源：

CARBOHYDRATE POLYMERS | 2013年 / 98卷 / 01期

关键词：

Chitin; Chiotsan; Nanofiber; Film composite; ALPHA-CHITIN;

D O I：

10.1016/j.carbpol.2013.07.033

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Surface-deacetylated chitin nanofiber reinforced chitosan films were prepared. The nano-composite films were highly transparent of approximately 84% at 600 nm due to the nanometer-sized fillers and chitosan matrix, which were embedded in the cavities and on the rough surface of the nanofiber networks. Due to the extended crystalline structure, the nanofibers worked effectively as reinforcement filler to improve the Young's modulus and the tensile strength of the chitosan film. After 10% blending of nanofiber, these properties were increased by 65% and 94%, respectively. Moreover, thermal expansion was also significantly decreased from 35.3 to 26.1 ppm K-1 after 10% addition of nanofibers. Surface-deacetylated chitin nanofiber and the nano-composite films showed antifungal activity against A. alternata. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：1198 / 1202

页数：5

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