Synthesis of novel polymethacrylates with siloxyl bridging perfluoroalkyl side-chains for hydrophobic application on cotton fabrics

被引：34
作者：
Cai, Lu [1 ,2 ]
Dai, Li [1 ,2 ]
Yuan, Yanhua [1 ,2 ]
Liu, Anqi [1 ,2 ]
Li, Zhanxiong [1 ,2 ]
机构：
[1] Soochow Univ, Coll Text & Clothing Engn, 199 Renai Rd,Ind Pk, Suzhou 215021, Peoples R China
[2] Natl Engn Lab Modern Silk, Suzhou 215123, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2016年 / 371卷
基金：
中国国家自然科学基金;
关键词：
Fluoroalkylsiloxyl methacrylate; Emulsion polymerization; Hydrophobicity; Oleophobicity; Cotton fabric; ADVANCED ANTICORROSIVE COATINGS; SUPERHYDROPHOBIC SURFACES; CORE-SHELL; SOL-GEL; CONTAINING POLYACRYLATE; POLYMERIC SURFACES; MICROWAVE PLASMA; ACRYLATE; PERFORMANCE; COPOLYMERS;
D O I：
10.1016/j.apsusc.2016.03.010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Three novel fluorinated methacrylate monomers with siloxyl bridging perfluoroalkyl groups were synthesized and characterized. Afterwards, the corresponding polymethacrylate latexes, namely monofluoroalkylsiloxyl polymethacrylate (PMFSMA), bisfluoroalkylsiloxyl polymethacrylate (PBFSMA) and trisfluoroalkylsiloxyl polymethacrylate (PTFSMA), were prepared and coated onto cotton fabrics to make them water-repellent. Particle size, particle size distribution, zeta potential and high-resolution transmission electron microscope (TEM) were tested to assess the emulsion stability and particle morphology. Thermal properties of PTFSMA were evaluated by thermal-gravimetric analysis (TGA). Surface properties of the coated cotton fabrics were characterized by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), water contact angle (WCA), adhesive force and X-ray photoelectron spectroscopy (XPS). It was found that the incorporation of more perfluoroalkyl chains and the annealing process could decrease the surface free energy of polymer film to 13.7 mN/m. Furthermore, the EDS spectra of PTFSMA film after annealing showed an enrichment of fluorine in the film-air interface. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：453 / 467
页数：15
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