MODIFICATION OF SILK FIBER via EMULSION GRAFT COPOLYMERIZATION WITH FLUOROACRYLATE

Zhan-xiong Li; Fei-fei Jin; Ben-wen Cao; Xiao-fei Wang

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MODIFICATION OF SILK FIBER via EMULSION GRAFT COPOLYMERIZATION WITH FLUOROACRYLATE

Papers | Updated：2021-06-21

- MODIFICATION OF SILK FIBER via EMULSION GRAFT COPOLYMERIZATION WITH FLUOROACRYLATE
- Vol. 26, Issue 3, Pages: 353-362(2008)
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- Published：20 May 2008
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Zhan-xiong Li, Fei-fei Jin, Ben-wen Cao, et al. MODIFICATION OF SILK FIBER via EMULSION GRAFT COPOLYMERIZATION WITH FLUOROACRYLATE[J]. 2008, 26(3): 353-362.
DOI：

Zhan-xiong Li, Fei-fei Jin, Ben-wen Cao, et al. MODIFICATION OF SILK FIBER via EMULSION GRAFT COPOLYMERIZATION WITH FLUOROACRYLATE[J]. 2008, 26(3): 353-362. DOI：

摘要

5-Octafluoropentyl acrylate was grafted onto silk fiber in a two-step heterogeneous system through the vinyl bonds of acryloyloxyethyl isocyanate modified on the silk. The grafted copolymer was analyzed by FTIR and WAXD

and the results revealed that the fluoroacrylate was successfully grafted onto silk fiber and the crystalline structure of silk fibroin with β-sheet structure was not changed after graft copolymerization. The FT-IR corrected method was used to simulate the grafting yield onto silk compared with the weight increasing method. The results obtained from these two methods were roughly consistent.The influence of the initiator concentration

monomer concentration

react time and temperature on the graft yield was also investigated. The experimental data of thermogravimetry (TG) and differential thermal analysis (DTA) showed that the thermal stability of the modified silk fibers was improved due to the introduction of fluoroacrylate. In comparison with the untreated silk fibers

the water repellence of the modified silk fibers was also improved.

Abstract

monomer concentration

the water repellence of the modified silk fibers was also improved.

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