Adsorption and Desorption Behavior of Asphaltene on Polymer-Brush-Immobilized Surfaces

被引：41
作者：
Higaki, Yuji [1 ,2 ,3 ,4 ]
Hatae, Kaoru [1 ]
Ishikawa, Tatsuya [2 ]
Takanohashi, Toshimasa [5 ]
Hayashi, Jun-ichiro [2 ]
Takahara, Atsushi [1 ,2 ,3 ,4 ]
机构：
[1] Kyushu Univ, Grad Sch Engn, Nishi Ku, Fukuoka 8190395, Japan
[2] Kyushu Univ, Inst Mat Chem & Engn, Nishi Ku, Fukuoka 8190395, Japan
[3] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Nishi Ku, Fukuoka 8190395, Japan
[4] Japan Sci & Technol Agcy JST, ERATO, Takahara Soft Interfaces Project, Nishi Ku, Fukuoka 8190395, Japan
[5] Natl Inst Adv Ind Sci & Technol, Energy Technol Res Inst, Tsukuba, Ibaraki 3058569, Japan
来源：
ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 22期
关键词：
polymer brush; asphaltene; adsorption; antifouling; surface-initiated atom transfer radical polymerization; interface free energy; RADICAL POLYMERIZATION; MOLECULAR-INTERACTIONS; FORCES; EMULSIONS; CONTACT;
D O I：
10.1021/am505904b
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The adsorption behavior of a model compound for surface-active component of asphaltenes, N-(1-hexylheptyl)-N'-(12-carboxylicdodecyl) perylene-3,4,9,10-tetracarboxylic bisimide (C5Pe), and detachment behavior of asphaltene deposit films for high-density polymer brushes were investigated. Zwitterionic poly(3-(N-2-methacryloyloxyethyl-N,N-dimethyl)ammonatopropanesulfonate (PMAPS) brushes and hydrophobic poly(n-hexyl methacrylate) (PHMA) brushes exhibit less C5Pe adsorption than poly(methyl methacrylate) (PMMA). The asphaltene deposit films on the PHMA brush detached in a model oil (toluene/n-heptane = 1/4 (v/v)), and the asphaltene films on the PMAPS brush detached in water. The antifouling character was explained by the interface free energy for the polymer-brush/asphaltenes (gamma SA) and polymer-brush/toluene (gamma SO).
引用
收藏
页码：20385 / 20389
页数：5
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