UV-curable waterborne epoxy acrylate coating modified by monomethacryloyloxy-terminated fluorinated oligomer

被引：17
作者：
Shi, Hongyi [1 ,2 ,3 ]
Liu, Weiqu [1 ,2 ]
Liu, Chunhua [1 ,2 ,3 ]
He, Sha [1 ,2 ,3 ]
Jiang, Chi [1 ,2 ,3 ]
Wang, Zhengfang [1 ,2 ]
机构：
[1] Chinese Acad Sci, Guangzhou Inst Chem, Guangzhou 510650, Guangdong, Peoples R China
[2] Chinese Acad Sci, Key Lab Cellulose & Lignocellulos Chem, Guangzhou 510650, Guangdong, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2019年 / 16卷 / 05期
关键词：
fluorinated oligomers; reactive additives; emulsifier; waterborne epoxy acrylate resin; surface energy; coatings; SUPERHYDROPHOBIC COATINGS; SURFACE-PROPERTIES; COPOLYMER; POLYMERS; DIBLOCK; PHOTOPOLYMERIZATION; KINETICS; ENERGY; GRAFT;
D O I：
10.1007/s11998-019-00209-2
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Monomethacryloyloxy-terminated fluorinated oligomers (PPFOMA-GMA and PHFBMA-GMA) and methyl allyl alcohol polyoxyethylene ether-modified epoxy resin (HPEGEA) were successfully synthesized and used as reactive additives and emulsifier for epoxy acrylate, respectively. FTIR, H-1 NMR, and GPC were used to characterize the structures of PPFOMA-GMA, PHFBMA-GMA, and HPEGEA. The influence of the concentrations of PPFOMA-GMA and PHFBMA-GMA on the properties of waterborne epoxy acrylate (WEA) resin coatings was investigated. The surface energy of waterborne epoxy acrylate coating was decreased from 38.20 mN/m to 15.31 mN/m by adding just 0.21 wt% PPFOMA-GMA, indicating its high effectiveness in improving the hydrophobic properties of the surface. The surface compositions of the WEA resin coatings (with 0.85 wt% PPFOMA-GMA or 0.85 wt% PHFBMA-GMA) were characterized by XPS. The XPS results confirmed the quantitative enrichment of fluorine atoms on the surface. What is more, the physical properties of waterborne epoxy acrylate coatings prepared with different concentrations of fluorinated reactive additive, such as optical transmittance, adhesion (on glass, PET, and tinplate), pencil hardness, water absorption, and thermal properties, were also analyzed in detail. Hence, the waterborne epoxy acrylate coatings prepared with low concentrations of reactive additives were economical and have potential for large-scale industrial applications.
引用
收藏
页码：1305 / 1316
页数：12
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