ESTERIFICATION

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Synthesis of a Macromer, MPEGAA, Used to Prepare an AMPS-modified Polyacrylic Acid Superplasticizer被引量：9
《Journal of Wuhan University of Technology(Materials Science)》2013年第6期1186-1190,共5页CHEN Baofan 
Funded by the Fujian Education Department(Nos.JA11329,JA12412);the Quanzhou(Fujian)Technology Research and Development Program(No.2010G7)
A macromer, methoxypolyethylene glycol acrylate （MPEGAA）, was synthesized by direct esterification using methoxypolyethylene glycol （MPEG-1200） and acrylic acid （AA） as the main materials. MPEGAA was then used t...
关键词：AMPS-modified polyacrylic acid superplasticizer esterification reaction macromer esterification ratio 
Heterogeneous Acid Catalytic Esterification by Porous Polyoxometalate-tantalum Pentoxide Nanocomposites
《Journal of Wuhan University of Technology(Materials Science)》2013年第3期580-585,共6页许蕾蕾 GUOYihang MA Huiru 官建国 
Funded by the National Natural Science Foundation of China(No.51002111);the Fundamental Research Funds for the Central Universities(No.2012-IV-085)
Polyoxometalates （POMs） are useful catalysts in both redox and acid catalysis reactions since its catalytic features can be controlled at a molecular level. We investigated POM （POM = H3PW12040） on tantalum pentox...
关键词：ESTERIFICATION POLYOXOMETALATE tantalum pentoxide SOL-GEL porous mataterials 
Preparation of Cyclodextrin-Based Carbonaceous Catalyst and Its Application in the Esterification
《Journal of Wuhan University of Technology(Materials Science)》2011年第3期455-458,共4页单纯 
Funded by the Guangdong Science Project (No.2008B011000015)
A new carbonaceous catalyst with sulfonic acid group （-SO3H） was prepared by incomplete carbonization of β-cyclodextrin followed by sulfonation.The sulfonated amorphous carbon was characterized by IR,elemental anal...
关键词：β-Cyclodextrin carbonization carbonaceous catalyst esterification activity 
The Synthesis Technique of Polyacrylic Acid Superplasticizer被引量：5
《Journal of Wuhan University of Technology(Materials Science)》2008年第6期830-833,共4页张荣国 雷家珩 
Funded by the Research Item from Ministry of Communications Tech-nology Project(No. 2007319811130)
Using water separation technique,acrylic acid （AA） and polyethylene glycol （PEG） 1000,of which the ratio was 1.5,were esterified and the optimum esterification ratio of 90% could be reached under the condition of ...
关键词：polyacrylic acid SUPERPLASTICIZER ESTERIFICATION free radical polymerization 
Synthesis,Characterization and Catalytic Application of H_3PW_(12)O_(40)/MCM-48 in the Esterification of Methacrylic Acid with n-butyl Alcohol被引量：1
《Journal of Wuhan University of Technology(Materials Science)》2008年第3期346-349,共4页张义军 杨水金 
Funded by the Natural Science Foundation of Hubei Province,China(No.2005ABA053);the National Natural ScienceFoundation of China(No.20471044)
A novel environmental friendly catalyst, H3PW12O40/MCM-48, was prepared by impregnation method. The catalysts were characterized by means of XRD and FT-IR. The synthesis of n-butyl methacrylate catalyzed by H3PW12O40/...
关键词：MCM-48 molecular sieve phosphotungstic acid n-butyl methacrylate CATALYSIS 
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