Journal
CHINESE JOURNAL OF CHEMICAL ENGINEERING
Volume 27, Issue 12, Pages 3043-3052Publisher
CHEMICAL INDUSTRY PRESS CO LTD
DOI: 10.1016/j.cjche.2019.03.024
Keywords
Capsaicin; Acrylate polymer; Solution polymerization; Antibacterial
Categories
Funding
- State Key Laboratory of Advanced Power Transmission Technology [GEIRI-SKL-2018-005]
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A novel antibacterial acrylate polymer composite modified with capsaicin was successfully synthesized by a two-step reaction. Capsaicin and acryloyl chloride were firstly esterified, and then applied to solution polymerization with acrylate monomers and styrene. The yield of the esterified products was about 85.3%. The polymer was characterized by Fourier transform infrared spectroscopy (FTIR), gel permeation chromatography (GPC), thermogravimetric analysis (TGA), contact angle (CA) and antibacterial ring tests. The number-average molecular weight (M-n) of the polymer was 27214, based on the capsaicin-acrylate dosage of 6.5 wt%. The TGA revealed a stable thermal property. The contact angles of the polymers films on tinplate increased from 77.5 degrees to 86.2 degrees with the increasing amount of capsaicin-acrylate. The antibacterial tests demonstrated excellent antimicrobial capability of the polymers. (C) 2019 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co, Ltd. All rights reserved.
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