Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (02): 114-118.doi: 10.13475/j.fzxb.20180708905

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Polysaccharide microcapsules via layer-by-layer assembly for cotton fabric as sustained release vessel

LIU Fei1,2, LI Qiujin1,2,3(), GONG Jixian1,2, LI Zheng1,2, LIU Xiuming1,2,3, ZHANG Jianfei1,2,4   

  1. 1. School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China
    2. Key Laboratory of Advanced Textile Composites, Ministry of Education, Tianjin Polytechnic University, Tianjin 300387, China
    3. Key Laboratory of Science & Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China
    4. Collaborative Innovation Center for Eco-Textiles of Shangdong Province, Shandong, Qingdao 266071, China
  • Received:2018-07-30 Revised:2018-11-05 Online:2019-02-15 Published:2019-02-01
  • Contact: LI Qiujin E-mail:vicmaldini@126.com

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Abstract:

The oppositely charged sodium alginate (Alg), chitosan (Chi), hyaluronic acid (HA) were coated onto the CaCO3 template via layer-by-layer (LBL) self-assembled technique. The template was removed by using ethylenediaminetetraacetic acid (EDTA) to obtain hollow Alg/Chi/HA microcapsules. The purpose is to prepare biosafety functional fabrics.The morphology and thermal stability of microcapsules were studied by optical microscope with a large-depth-of-field, scanning electron microscope, infrared spectroscopy and comprehensive thermal analyzer. The results show that Alg/Chi/HA microcapsules have good hollow structure and strong stability. The pH-stimuli release behavior of microcapsules were investigated. These Alg/Chi/HA microcapsules were finished in the cotton fiber to manufacture the sustained releasing textile. This work is beneficial for the development of functional fabrics.

Key words: layer-by-layer self-assembly, polysaccharide microcapsule, stimuli-responsive, controlled release, fabric modification

CLC Number: 

  • TS195.5

Fig.1

FT-IR sprectra of Alg, Chi, HA and Alg/Chi/HA microcapsules"

Fig.2

Thermal analysis of Alg/Chi/HA microcapsules. (a) TG curve; (b) DTG curve; (c) DSC curve"

Fig.3

SEM image (a) and optical microscope image with a large-depth-of filed(b) of Alg/Chi/HA microcapsules"

Fig.4

Cumulative RhB release from Alg/Chi/HA microcapsules at pH=5.8 and pH=7.4"

Fig.5

SEM images of cotton fabrics before(a) and after(b) Alg/Chi/HA/Chi microcapsules modifcation"

Tab.1

Moisture permeability of microcapsules finishing fabric"

样品
编号		 初始质量
W0/g		 0.5 h后质量
W1/g		 1 h后质量
W2/g		 透湿量/
(g·m-2·d-1)
1 251.80 252.39 253.61 7 612
2 251.56 252.11 253.27 7 237
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