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Organotin polymers—II.Copolymerization parameters for tributyltin methacrylate with methyl acrylate, ethyl acrylate, butyl acrylate and acrylonitrile

✍ Scribed by N.A. Ghanem; N.N. Messiha; N.E. Ikladious; A.F. Shaaban

Publisher: Elsevier Science
Year: 1980
Tongue: English
Weight: 218 KB
Volume: 16
Category: Article
ISSN: 0014-3057
DOI: 10.1016/0014-3057(80)90079-8

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✦ Synopsis

Copolymerizations of tributyltin methacrylate (Mr) with methyl acrylate, ethyl acrylate, n-butyl acrylate and acrylonitrile were carried out in solution at 70 ° using azobisisobutyronitrile as initiator. Copolymer compositions were determined by tin analysis; monomer reactivity ratios were calculated by Fineman-Ross and Kelen-Tiid6s methods. The reactivities of acrylic esters decrease as the alkyl group becomes bulkier, Azeotropic copolymers could be formed from tributyltin methacrylate with butyl acrylate and with acrylonitrile. The structures of M~ and its azeotropic copolymers have been investigated by infrared spectroscopy.

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