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   Kinetic Study of Graft Polymerization of Acrylic Acid and Ethyl Methacrylate onto Starch by Ceric Ammonium Nitrate  
   
نویسنده Taghizadeh Mohammad Taghi ,Mehrdad Abbas
منبع iranian journal of chemistry and chemical engineering - 2006 - دوره : 25 - شماره : 1 - صفحه:1 -12
چکیده    Graft polymerization of acrylic acid (aa) and ethyl methacrylate (ema) onto starch (st) were carried out in aqueous solution using ceric ammonium nitrate (can) as redox system under n2 atmosphere. the effect ofph, reaction time, temperature, concentrations of can, st, and monomers on the graft yield was investigated. monomer reactivity was in the following order: aa>ema.the kinetics of the graft polymerization of aa and ema onto starch in same system with can was studied by acid-base and boromometric titration, respectively. the rate expressions for graft polymerization are rg=k[aaf92[can]056[stf46 and r/g=l
کلیدواژه Kinetics ,Starch ,Acrylic acid ,Ethyl methacrylate ,Ceric ammonium nitrate ,Graft polymerization
آدرس university of tabriz, Faculty of Chemistry, Department of Physical Chemistry, ایران
پست الکترونیکی mttaghizadeh@tabrizu. ac. ir
 
     
   
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