Wear of a Composite Based on Polyurethane, Polyfluorinated Alcohol, Montmorillonite, and Polytetrafluoroethylene

IF 0.5 4区 工程技术 Q4 ENGINEERING, MECHANICAL Journal of Friction and Wear Pub Date : 2023-08-14 DOI:10.3103/S1068366623020046
S. V. Kudashev, A. A. Terekhov, V. A. Babkin, A. V. Nistratov, V. F. Zheltobryukhov, D. S. Andreev, A. V. Ignatov, V. N. Arisova, A. I. Bogdanov, N. V. Kuznetsova
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Abstract

The influence of compositions based on 1H,1H,9H-trihydroperfluorononan-1-ol, montmorillonite, and polytetrafluoroethylene Fluralite on the structure and wear resistance of the polyurethane elastomer modified by them is considered. The introduction of polyelement modifiers leads to the reorganization of the amorphous structure of the polymer matrix and changes in the properties of the surface. There is an increase in the intensity of the amorphous halo and a decrease in its radial half-width. According to the methods of X-ray photoelectron spectroscopy and X-ray microanalysis, the surface (up to 3 nm) and deep layers (up to 5 μm) of the modified polyurethane elastomer are enriched with fluorine, which together leads to the formation of a hydrophobic boundary lubricant layer and provides increased wear resistance. The developed polyurethane composites may be of interest as monolithic sports, roofing, and waterproofing coatings.

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聚氨酯、聚氟醇、蒙脱土和聚四氟乙烯复合材料的磨损
研究了1H、1H、9h -三氢全氟壬烷-1-醇、蒙脱土、聚四氟乙烯氟石等组成物对改性聚氨酯弹性体结构和耐磨性的影响。高分子改性剂的引入导致聚合物基体非晶结构的重组和表面性能的改变。无定形光晕的强度增加,其径向半宽度减小。根据x射线光电子能谱和x射线微分析方法,改性聚氨酯弹性体的表面(高达3 nm)和深层(高达5 μm)富含氟,共同形成疏水边界润滑层,提高了耐磨性。所开发的聚氨酯复合材料可能是感兴趣的整体运动,屋顶和防水涂料。
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来源期刊
Journal of Friction and Wear
Journal of Friction and Wear ENGINEERING, MECHANICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
1.50
自引率
28.60%
发文量
21
审稿时长
6-12 weeks
期刊介绍: Journal of Friction and Wear is intended to bring together researchers and practitioners working in tribology. It provides novel information on science, practice, and technology of lubrication, wear prevention, and friction control. Papers cover tribological problems of physics, chemistry, materials science, and mechanical engineering, discussing issues from a fundamental or technological point of view.
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