Journal
TEXTILE RESEARCH JOURNAL
Volume 84, Issue 19, Pages 2115-2124Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0040517514538691
Keywords
functional modification; quaternary ammonium salt of chitosan; nanoparticles; Antheraea pernyi silk; antimicrobial activity; wrinkle-resistant property
Categories
Funding
- Chinese Nature Science Foundation [51343002]
- Natural Science Foundation of Liaoning Province [201202081]
- Program for Liaoning Excellent Talents in University [LJQ2012111]
- Foundation of Key Discipline Project of Liaoning Province Universities [2012310]
- Project of Functional Textile Materials Laboratory of Eastern Liaoning University
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A novel eco-friendly finishing agent of quaternary chitosan nanoparticles was prepared in two steps from a chitosan with low molecular weight. The water-soluble quaternary ammonium salt of chitosan, N-[(2-hydroxy-3-trimethylammonium)propyl] chitosan chloride (HTCC), was first synthesized in heterogeneous system by quaternization, and then HTCC was further prepared to nanoparticles via ionotropic gelation reaction in the presence of 1, 2, 3, 4-butane tetracarboxylic acid and sodium hypophosphite. The size distribution and morphology of the HTCC particles were characterized using a laser particle size analyzer and transmission electron microscope (TEM). When Antheraea pernyi (A. pernyi) silk fabric was treated with HTCC nanoparticles by using a conventional dip-pad-dry-cure process, the modified A. pernyi silk fabric demonstrated durable wrinkle-resistant property, shrinkage-resistant property and antimicrobial activities against Staphylococcus aureus and Escherichia coli, even after being exposed to 50 consecutive home-laundering conditions. However, the modification of A. pernyi silk fabric caused breaking strength loss, breaking elongation reduction and initial modulus rise to some extent.
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