Methylaluminoxane: synthesis, characterization and catalysis of ethylene polymerization

Srinivasa Reddy, S. ; Radhakrishnan, K. ; Sivaram, S. (1996) Methylaluminoxane: synthesis, characterization and catalysis of ethylene polymerization Polymer Bulletin, 36 (2). pp. 165-171. ISSN 0170-0839

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Official URL: http://www.springerlink.com/content/n31362667130m6...

Related URL: http://dx.doi.org/10.1007/BF00294902

Abstract

Three types of methylaluminoxanes (MAO-1, 2 and 3) were synthesized with different average molecular weights. In each MAO synthesis, two types of MAOs were isolated (Fractions A and B). Fractions A and B differ by the presence of different methyl/aluminum molar ratio and mol % trimethylaluminum. Kinetics of ethylene polymerization were studied using both fractions A and B of MAOs 1,2 and 3 as cocatalysts and Cp2ZrCl2 as catalyst at atmospheric pressure of ethylene. The poly(ethylene)s were analyzed for their molecular weight.

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