Titanium pyridonates for the homo- and copolymerization of rac-lactide and ε-caprolactone

A series of titanium pyridonate complexes have been synthesized under very mild reaction conditions from a common precursor, Ti(NMe2)4. These complexes have been explored as initiators for the ring-opening polymerization of rac-lactide and ε-caprolactone and have proven to be competitive with leadin...

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Published in:Dalton transactions : an international journal of inorganic chemistry 2015-07, Vol.44 (27), p.12411-12419
Main Authors: Gilmour, Damon J, Webster, Ruth L, Perry, Mitchell R, Schafer, Laurel L
Format: Article
Language:English
Subjects:
Block copolymers
Caproates - chemistry
Chain scission
Coordination Complexes - chemistry
Copolymerization
Copolymers
Dioxanes - chemistry
Initiators
Lactones - chemistry
Ligands
Molecular Structure
Polymerization
Precursors
Pyridones - chemistry
Synthesis
Titanium
Titanium - chemistry
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cited_by cdi_FETCH-LOGICAL-c356t-e45595d9432c6aac2ffc92fe7486023508720ed3bd94aedab74f9fca200fba083
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container_issue 27
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container_title Dalton transactions : an international journal of inorganic chemistry
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creator Gilmour, Damon J
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Schafer, Laurel L
description A series of titanium pyridonate complexes have been synthesized under very mild reaction conditions from a common precursor, Ti(NMe2)4. These complexes have been explored as initiators for the ring-opening polymerization of rac-lactide and ε-caprolactone and have proven to be competitive with leading titanium initiators. Furthermore, these complexes have been shown to be competent initiators for the synthesis of copolymers (CL-LA block copolymers and random copolymers). Metal complex reactivity trends in both homo- and copolymerization show that poly(lactic acid) is most susceptible to chain scission and transesterification.
doi_str_mv 10.1039/c5dt01162k
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source Royal Society of Chemistry:Jisc Collections:Royal Society of Chemistry Read and Publish 2022-2024 (reading list)
subjects Block copolymers
Caproates - chemistry
Chain scission
Coordination Complexes - chemistry
Copolymerization
Copolymers
Dioxanes - chemistry
Initiators
Lactones - chemistry
Ligands
Molecular Structure
Polymerization
Precursors
Pyridones - chemistry
Synthesis
Titanium
Titanium - chemistry
title Titanium pyridonates for the homo- and copolymerization of rac-lactide and ε-caprolactone
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