Paper Title:
Surface Grafting Modification of Silk Fibroin via ARGET ATRP Method
  Abstract

In this work, silk was grafted using dimethylaminoethyl methacrylate(DMAEMA) via activators regenerated by electron transfer for atom transfer radical polymerization (ARGET ATRP) method to produce well controlled grafted silk in water aqueous. CuBr2 was used as catalyst, N, N, N’, N", N" -pentamethyldiethylenetriamine (PMDETA) was used as ligand, vitamin C was used as reducing agent. The effects of monomer concentration, the proportion of catalyst and ligand, the variety and the dosage of catalyst and reducing agent, grafting temperature and time on the silk grafting were discussed, and the optimal grafting technology was obtained. FT-IR characterization of the grafted silk indicated that DMAEMA was grafted onto the surface of silk. The whiteness and permeability to gas of grafted silk slightly decreased. And the moisture permeability of grafted silk nearly had no change. The wrinkle recovery angle of grafted silk dramatically increased.

  Info
Periodical
Advanced Materials Research (Volumes 175-176)
Main Theme
Edited by
Lun Bai and Guo-Qiang Chen
Pages
608-613
DOI
10.4028/www.scientific.net/AMR.175-176.608
Citation
X. Xu, T. L. Xing, G. Q. Chen, "Surface Grafting Modification of Silk Fibroin via ARGET ATRP Method", Advanced Materials Research, Vols. 175-176, pp. 608-613, 2011
Online since
January 2011
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Price
$32.00
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