Preparation and characterization of silk fibroin/hydroxypropyl methyl cellulose (HPMC) blend films

被引：66
|
作者：
Shetty, G. Rajesha [1 ]
Rao, B. Lakshmeesha [1 ]
Asha, S. [1 ]
Wang, Youjiang [2 ]
Sangappa, Y. [1 ,2 ]
机构：
[1] Mangalore Univ, Dept Studies Phys, Mangalore 574199, India
[2] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
来源：
FIBERS AND POLYMERS | 2015年 / 16卷 / 08期
关键词：
Silk fibroin; Structural properties; Chemical; Mechanical; Thermal properties; MECHANICAL-PROPERTIES; FIBROIN FILM; FIBROIN/CHITOSAN; BEHAVIOR; REGENERATION; MORPHOLOGY; SUBSTRATE; ACID);
D O I：
10.1007/s12221-015-5223-z
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
The present research work deals with the characterization of blend films obtained by mixing silk fibroin (SF) and hydroxypropyl methylcellulose (HPMC) solutions. Structural, chemical, surface morphology, mechanical and thermal property changes of silk fibroin by the addition of HPMC were investigated by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), universal testing machine (UTM), thermogravimetric (TGA) and differential scanning calorimetry (DSC). The results indicate that with the introduction of HPMC, the interactions between SF and HPMC in the blend films induced the conformation transition of SF from random coil form or silk I to beta-sheet structure or silk II form. The SF/HPMC blend films are flexible, and showed enhanced mechanical properties also the thermal stability of the films was improved significantly.
引用
收藏
页码：1734 / 1741
页数：8
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