Polymerization of isobutylene by radical cation initiation

This paper reviews the changes which have occurred from 1965 to 1970 in synthetic elastomers, principally from the view of new products, emphasizing the scientific trends involved. Subjects covered include diene rubbers, ethylene/propylene copolymers and particularly the various specialty type elastomers, including liquid and thermoplastic block copolymers. The trend towards precise control of elastomer structure and of monomer sequence, configuration, and orientation in the growing chain is emphasized. ZUSAMMENFASSUNG :Diese Veroffentlichung beschreibt zusammenfassend die hderungen, die auf d:m Gebiet der synthetischen Elastomeren von 1965-1970 stattgefunden haben, vorwiegend im Hinblick auf neue Produkte und mit besonderer Betonung der damit verbundenen wissenschaftlichen Entwicklungsrichtungen. Unter anderem werden die Gebiete der Dien-Kautschuke, bthylen/Propylen-Copolymere und besonders verschiedene Sondertypen von Elastomeren, einschliefllich flussiger und thermoplastischer Block-Copolymere erortert. Das Bestreben, die Struktur des Elastomeren sowie Monomerenfolge, Konfiguration und Orientierung der wachsenden Kette genau zu kontrollieren, wird betont.

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Polymerization of isobutene with VOCl₃ in heptane

Hasenbein

Bandermann

1987

Makromol. Chem.

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The polymerization of isobutene with VOCl, in heptane was investigated. In contrast to reports in the literature, the polymerization only starts upon irradiation with light, also when naphthalene is added, and it ceases when the light source is witched off. Thus, it is suggested that the reaction proceeds like a photoinitiated cationic polymerization, and the claim of a living system is not corroborated.

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Polymerization of isobutylene by radical cation initiation

Cited by 15 publications

References 6 publications

Advances in Acid Mediated Polymerizations

Advances in Acid Mediated Polymerizations

Recent developments in synthetic elastomers

Polymerization of isobutene with VOCl₃ in heptane

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Polymerization of isobutylene by radical cation initiation

Cited by 15 publications

References 6 publications

Advances in Acid Mediated Polymerizations

Advances in Acid Mediated Polymerizations

Recent developments in synthetic elastomers

Polymerization of isobutene with VOCl3 in heptane

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Polymerization of isobutene with VOCl₃ in heptane