Effect of erucic acid on the rheological and surface properties of coal tar pitch

被引：1
|
作者：
Wang, Rongyan [1 ]
Lu, Guimin [1 ]
Cen, Jixiang [1 ]
Yu, Jianguo [1 ]
机构：
[1] East China Univ Sci & Technol, Natl Engn Res Ctr Integrated Utilizat Salt Lake R, Shanghai 200237, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES | 2017年 / 75卷
基金：
美国国家科学基金会;
关键词：
Coal tar pitch; Erucic acid; Rheological property; Adhesion; RESULTANT SEMI-COKES; CARBONIZATION BEHAVIOR; OPTICAL TEXTURE; CARBON/CARBON COMPOSITES; MESOPHASE DEVELOPMENT; PETROLEUM PITCHES; PYROLYSIS; ADDITIVES; MATRIX; BLENDS;
D O I：
10.1016/j.ijadhadh.2017.02.014
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Coal tar pitch (CTP) was modified using erucic acid, CH3(CH2)(7)CH=CH(CH2)(11)COOH, and the rheological and surface properties of the modified CTP were evaluated. The effect of erucic acid was investigated using a rotational viscometer as well as by drop and weight tests. The modified CTPs were characterized by Fourier transform infrared spectroscopy and scanning electron microscopy following a carbonization process. The results showed significant differences in several properties between the CTP and modified CTPs, such as decreases in viscosity, wetting temperature, and softening point when erucic acid content was 1-3 wt% of CTP. An improvement in bonding between the coke and the modified CTP can be achieved when the coke value remained 62%. Moreover, a modification mechanism was proposed to explain the physical plastification of CTP modified with erucic acid.
引用
收藏
页码：108 / 113
页数：6
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