Ice friction of ultra-high molecular weight polyethylene: The effects of fluorine additives and plasma (PECVD) treatment

被引：6
|
作者：
Stamboulides, Christos [1 ]
Englezos, Peter [1 ]
Hatzikiriakos, Savvas G. [1 ]
机构：
[1] Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V6T 1Z3, Canada
来源：
TRIBOLOGY INTERNATIONAL | 2013年 / 57卷
关键词：
Additive deposition; Fluoropolymer; Fluorocarbon; Ice friction; SURFACE-PROPERTIES; POLYMER SURFACES; INDUSTRIAL APPLICATIONS; NANOPATTERNED POLYMERS; FUNDAMENTAL RESEARCH; ADHESION; POLYPROPYLENE; HYDROPHOBICITY; IMPROVEMENT; ROUTES;
D O I：
10.1016/j.triboint.2012.07.022
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Various new polymer additives were blended into ultra-high molecular weight polyethylene (UHMWPE) in order to examine their effects on ice friction. A certain type of a new liquid perfluoropolyalkylether was proven to improve the surface and sliding characteristics of UHMWPE on ice. It was shown for the first time that an optimum amount of additive (about 2.5 wt%) reduces the ice friction coefficient significantly at temperatures greater than -7 degrees C. Moreover, plasma chemical vapour deposition of UHMWPE under a fluorinated gas was also utilized to examine its effect on its surface and sliding characteristics. This treatment increased the static water contact angle, from 85 degrees to 138 degrees and decreased the friction coefficient to about 25% at the highest sliding velocity of 1.96 m/s. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：177 / 183
页数：7
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