Preparation and Application of Low Molecular Weight Chitosan Nanoparticle as a Textile Finishing Agent

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Due to the advantages of both the chitosan and the nanomaterial, chitosan nanoparticle has a broad application in a lot of fields, such as medicine carrier, food process, cosmetics and agriculture protect. And there also appears a lot of research about chitosan nanoparticle in textile finishing in recent years. In former research, steady state chitosan nanoparticles were prepared by ionotropic gelation method in dispersion system. In this paper, in order to confirm the preparation of low molecular weight chitosan nanoparticle, it was also characterized by Fourier Transform Infrared (FT-IR) Spectrometry, X-ray diffraction (XRD) and Transmission Electron Microscope (TEM). Focusing on the application value, chitosan nanoparticles dispersion solution were used as one kind of textile finishing agent to modify B.mori silk fabrics in order to realize the functionalization of silk fabrics. The wrinkle resistance and bacteria repellency of silk fabrics were tested in the paper. The results showed that chitosan nanoparticles were successfully prepared and confirmed accrording to the XRD, FT-IR and TEM tests. In addition, compared with the ordinary B. mori silk fabric and the B. mori silk fabric treated with chitosan accordingly, the B. mori silk fabrics treated with chitosan nanoparticle dispersion system had better wrinkle resistance and bacteria repellency.

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September 2013

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