Impact of polymer structure in polyurethane topcoats on anti-icing properties

被引:1
|
作者
Lee, Donghyeon [1 ]
Park, Junho [1 ]
Woo, Min Ji [2 ]
Lee, Juhyeong [3 ]
Park, Joung-Man [1 ]
Lim, Hyung Mi [4 ]
Lee, Tae Kyung [1 ]
Yang, Seong Baek [5 ]
Nam, Sang Yong [1 ,2 ,5 ]
Kwon, Dong-Jun [1 ,2 ,5 ]
机构
[1] Gyeongsang Natl Univ, Dept Mat Engn & Convergence Technol, Jinju 52828, South Korea
[2] Gyeongsang Natl Univ, Sch Polymer Sci & Engn, Jinju 52828, South Korea
[3] Utah State Univ, Dept Mech & Aerosp Engn, Logan, UT 84322 USA
[4] Korea Inst Ceram Engn & Technol, Aerosp Convergence Mat Ctr, Jinju 52851, South Korea
[5] Gyeongsang Natl Univ, Res Inst Green Energy Convergence Technol, Jinju 52828, South Korea
基金
新加坡国家研究基金会;
关键词
Polyurethane topcoat; Polymer structure; Dilution; Anti-icing; SURFACE; ADHESION; DESIGN;
D O I
10.1016/j.apsusc.2024.160402
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
Icing on the topcoat layer of structures or mobility systems can be a factor leading to functional failures or accidents. Material engineering approach to prevent icing involves creating hydrophobic surfaces. In this study, it was confirmed that the method of controlling the structure of polymers using solvents to adjust surface hydrophobicity and ice prevention effects is effective. Polyurethane (PU) topcoats are primarily used on the exterior of mobility devices; therefore, structure of PU was manipulated using xylene. Through the adjustment of the ratio between PU and xylene, changes in the curing enthalpy and crystal structure were observed, which led to alterations in tensile strength. Additionally, changes in surface energy and contact angle occurred depends on xylene content, and de-icing property of PU topcoat was enhanced by 66 % on the surface of the 20 vol% xylene PU topcoat, compared to the pure PU topcoat. It was confirmed that the basic method of manipulating the polymer structure through solvent amount in topcoats could be utilized as a technique in hydrophobic surface research, such as ice prevention.
引用
收藏
页数:10
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