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Ring opening polymerisations of cyclic esters and carbonate by rare-earth LnCp3

Title data

Agarwal, Seema ; Puchner, Mario:
Ring opening polymerisations of cyclic esters and carbonate by rare-earth LnCp3.
In: European Polymer Journal. Vol. 38 (December 2002) Issue 12 . - 2365 - 2371.
ISSN 0014-3057
DOI: https://doi.org/10.1016/S0014-3057(02)00141-6

Official URL: Volltext

Abstract in another language

The ring opening polymerisation of cyclic esters (ε-caprolactone and l-lactide) and cyclic carbonate (1,3-dioxan-2-one (TMC)) initiated with LnCp3 complexes (Ln=Sm, Er, Pr, Gd and Ce) is reported. The size of the metal atom has an effect on the catalytic activity. The order of reactivity was found to be Er∼Gd>Sm>Pr>Ce. The polyester chains were found to be living for successful synthesis of block copolymers. Polycarbonate (polyTMC) was obtained without {CO2} elimination using LnCp3 as an initiator.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: LnCp(3) catalysts; ring opening polymerisations; cyclic esters and carbonate
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Profile Fields > Advanced Fields > Polymer and Colloid Science
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Profile Fields
Profile Fields > Advanced Fields
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 07 Apr 2015 12:00
Last Modified: 07 Apr 2015 12:00
URI: https://eref.uni-bayreuth.de/id/eprint/9908