Bandermann, Friedhelm; Speikamp, Hans Dieter; Weigel, Ludwig:
Bifunctional anionic initiators: a critical study and overview.
1985
In: Makromolekulare Chemie (Makromol.Chem.), Jg. 186 (1985), Heft 10, S. 2017 - 2024
Artikel/Aufsatz in Zeitschrift / Fach: Chemie
Titel:
Bifunctional anionic initiators: a critical study and overview.
Autor(in):
Bandermann, Friedhelm im Online-Personal- und -Vorlesungsverzeichnis LSF anzeigen; Speikamp, Hans Dieter; Weigel, Ludwig
Erscheinungsjahr:
1985
Erschienen in:
Makromolekulare Chemie (Makromol.Chem.), Jg. 186 (1985), Heft 10, S. 2017 - 2024
ISSN:

Abstract:

The suitability of several dilithio compds. as initiators for the anionic polymn. of dienes was tested in view of the following criteria: quant. reaction of diolefins with sec-BuLi [598-30-1] within reasonable periods of time, pptn. of dilithio compds. in a heptane-PhMe mixt., sufficient soly. of the dilithio compds. in PhMe, rapid initiation of polymn. and small dispersion index of the polymer, and low cost of the prepn. of the diolefins and the dilithio initiators. The bifunctional initiator derived from 1,4-bis(4-(1-phenylvinyl)phenyl)butane [54378-46-0] was most suited for the prepn. of diene blocks in ABA triblock copolymers.