Cationic Polymerization of a-Methyl Styrene Catalysed by Sulphurıc Acid
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چکیده
منابع مشابه
Controlled Radical Polymerization of methyl methacrylate and styrene mediated by a cobalt(II)-based initiatior system
The role of cobalt(II) complexes containing 2-formylpyrrolyl chelating ligands and phosphine ligands combined with a bromo-alkyl ester, an alkyl bromide or an azo compound in the formation of suitable initiator systems for vinyl monomer controlled radical polymerization was studied. The formation of syndiotactic-rich (Pr>0.7) poly(methyl methacrylate) (PMMA) and atactic (Pr=0.49) poly(styrene) ...
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The two heteropolyacids H(3)PW(12)O(40) and H(3)PMo(12)O(40), and their homologous salts (NH(4))(3)PW(12)O(40), and (NH(4))(3)PMo(12)O(40) were prepared and tested in the cationic polymerization of styrene. The results showed that the heteropolytungstates were more reactive than the heteropolymolybdates. It has been found that the yield and the viscosity average molecular weight (M(v)) of polys...
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ژورنال
عنوان ژورنال: Communications, Faculty Of Science, University of Ankara Series B Chemistry and Chemical Engineering
سال: 1983
ISSN: 1303-6017
DOI: 10.1501/commub_0000000099