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ISSN 1000-6818CN 11-1892/O6CODEN WHXUEU
Acta Phys Chim Sin >> 2007,Vol.23>> Issue(06)>> 926-928     doi: 10.3866/PKU.WHXB20070625         中文摘要
Adsorption of Polyethylene Glycol on Silicon Carbide Measured by Thermal Gravimetric and Differential Thermal Analysis
CHEN Jian; HUANG Zheng-Ren; DONG Shao-Ming; JIANG Dong-Liang

Structural Ceramics Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China

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The adsorption of polyethylene glycol (PEG) on SiC surface was measured by thermal gravimetric (TG) and differential thermal analysis (DTA). The result showed that PEG completely decomposed at 411.5 ℃ in Ar atmosphere. The adsorption amount decreased with the increase of pH and most free dispersant remained in liquid phase at higher pH. The adsorption amount was calculated by the formula (1). This method is adapted to measure the adsorption of organic polymer on oxide or non-oxide which can’t be analyzed by ultraviolet-visible spectrometry.



Keywords: Thermal gravimetric and differential thermal analysis   Silicon carbide   Polyethylene glycol   Adsorption  
Received: 2006-10-30 Accepted: 2007-01-09 Publication Date (Web): 2007-04-28
Corresponding Authors: HUANG Zheng-Ren Email: zhrhuang@mail.sic.ac.cn


Cite this article: CHEN Jian; HUANG Zheng-Ren; DONG Shao-Ming; JIANG Dong-Liang. Adsorption of Polyethylene Glycol on Silicon Carbide Measured by Thermal Gravimetric and Differential Thermal Analysis[J]. Acta Phys. -Chim. Sin., 2007,23 (06): 926-928.    doi: 10.3866/PKU.WHXB20070625
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