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Study of R -molar ratio effect on the transformation of tetraethylorthosilicat precursor to gels in sol-gel technique

Baghdad Science Journal

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Title Study of R -molar ratio effect on the transformation of tetraethylorthosilicat precursor to gels in sol-gel technique
 
Creator Journal, Baghdad Science
 
Description The effect of using different R -molar ratio under variable reaction conditions (acidic as well as basic environment and reaction temperature) have been studied. The overall experiments are driven with open and closed systems. The study shows that there is an optimum value for a minimum gelling time at R equal 2. The gelling time for all studied open system found to be shorter than in closed system. In acidic environment and when R value increased from 2 to 10, the gelling time of closed systems has increased four times than open systems at T=30 ?C and fourteen times when temperature reaction increased to 60 ?C. While in basic environment the influence of increasing R value was limited.
 
Publisher College of Science for Women - University of Baghdad
 
Date 2009-09-06
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1020
 
Source مجلة بغداد للعلوم; مجلد 6 عدد 3 (2009): issue 3; 590-595
Baghdad Science Journal; Vol 6 No 3 (2009): issue 3; 590-595
2411-7986
2078-8665
 
Language eng
 
Relation http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1020/951
 
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