期刊
POLYMERS
卷 8, 期 4, 页码 -出版社
MDPI AG
DOI: 10.3390/polym8040110
关键词
chitosan; interpenetrating polymer network hydrogel; cotton fabric; thermosensitive behavior; antibacterial activity
资金
- Natural Science Foundation of China [51343002]
- Liaoning Provincial Key Laboratory of Functional Textile Materials
- Liaoning Bai Qian Wan Talents Program [172]
- Natural Science Foundation of Liaoning
- Liaoning Excellent Talents in University
- Key Program of Eastern Liaoning University [2015JC002, 2015GG003, 2015GG004]
To increase the themosensitive behavior and antibacterial activity of cotton fabric, a series of poly (N-isopropylacrylamide)/chitosan (PNIPAAm/Cs) hydrogels was synthesized by interpenetrating polymer network (IPN) technology using a redox initiator. The IPN PNIPAAm/Cs hydrogel was characterized by Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). The results indicated that the IPN PNIPAAm/Cs hydrogel has a lower critical solution temperature (LCST) at 33 degrees C. The IPN hydrogel was then used to modify cotton fabric using glutaric dialdehyde (GA) as a crosslinking agent following a double-dip-double-nip process. The results demonstrated that the modified cotton fabric showed obvious thermosensitive behavior and antibacterial activity. The contact angle of the modified cotton fabric has a sharp rise around 33 degrees C, and the modified cotton fabric showed an obvious thermosensitive behavior. The bacterial reduction of modified cotton fabric against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) were more than 99%. This study presents a valuable route towards smart textiles and their applications in functional clothing.
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