Synthesis and Property Investigation of Three Core-Shell Fluoroacrylate Copolymer Latexes

被引：33
作者：
Liang Junyan [1 ]
He Ling [1 ]
Zheng Yuansuo [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Sci, Xian 710049, Shannxi, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2009年 / 112卷 / 03期
关键词：
fluoroacrylate copolymer; core-shell structure; latex; fluorinated side chain structure; FLUORINATED ACRYLIC COPOLYMERS; 2,2,2-TRIFLUOROETHYL METHACRYLATE; PHOTOCHEMICAL STABILITY; BLOCK-COPOLYMERS; POLYMERS; FLUOROPOLYMER;
D O I：
10.1002/app.29577
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Three core-shell fluoroacrylate copolymer latices with different fluorinated side chain structure were synthesized in this article by semicontinuous seed emulsion polymerization, using butyl acrylate (BA) and methyl methacrylate (MMA) as acrylate monomer and trifluoroethyl methacrylate (TFEM, C6H7O2F3), hexafluorobutyl methacrylate (HFBM, C8H8O2F6), and dodecafluoroheptyl methacrylate (DFHM, C11H8O2F12)as fluorine-containing acrylate monomer. The core-shell fluoroacrylate copolymer latices were named as BA/MMA/TFEM, BA/MMA/HFBM, and BA/MMA/DFHM, respectively. The latex particle morphology and the particle size were determined by transmission electron microscopy and differential scanning calorimetry. The final chemical structure of the latex was analyzed by NMR. The effect of the fluorinated side chain on the core-shell copolymer latex and film properties, as well as on the superiority of core-shell copolymer latex to general fluoroacrylate copolymer latex was investigated by energy dispersive X-ray detector, thermogravimetric analysis, and the determination of contact angle. The analysis results indicated that the particle of fluoroacrylate copolymer latex presented uniform sphere core-shell structure. Compared with core-shell BA/MMA/TFEM and BA/MMA/HFBM, BA/MMA/DFHM exhibited not only better surface property as increasing temperature but also better thermal stability. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 112: 1615-1621, 2009
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页码：1615 / 1621
页数：7
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