Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 41, Issue 2, Pages 168-172Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2007.01.011
Keywords
silk fibroin; poly(vinyl alcohol); wet spinning
Funding
- National Research Foundation of Korea [4120200413687] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Silk fibroin (SF)/poly(vinyl alcohol) (PVA) blend filaments were prepared by a wet spinning process. Regenerated SF and PVA were dissolved in formic acid and the dope solution exhibited good fiber formation in a methanol coagulation bath. Due to the miscibility of SF/PVA in formic acid, the filament had a smooth surface and dense structure with a circular cross-section. The crystalline structure and thermal properties were varied with different SF/PVA ratios. The mechanical properties of the filament were also controlled by blending PVA with SE Especially, the knot strength of the SF filament, which is a very important suture property, could be significantly improved by blending with PVA. (C) 2007 Elsevier B.V. All rights reserved.
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