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Acta Physico-Chimica Sinica  2007, Vol. 23 Issue (06): 926-928    DOI: 10.3866/PKU.WHXB20070625
Note     
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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Abstract  

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.



Key wordsThermal gravimetric and differential thermal analysis      Silicon carbide      Polyethylene glycol      Adsorption     
Received: 30 October 2006      Published: 28 April 2007
MSC2000:  O642  
  O647  
Corresponding Authors: HUANG Zheng-Ren     E-mail: 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. Acta Physico-Chimica Sinica, 2007, 23(06): 926-928.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20070625     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2007/V23/I06/926

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