Controlled synthesis of star-shaped homo- and co-polymers of aliphatic polyesters
2006 (English)In: 7th International Biorelated Polymers Symposium, 2006, 37-38 p.Conference paper (Refereed)
The challenges in finding a material with the proper characteristics for a given tissue engineering application are several. One solution is improving the ability to tailor the mechanical and physical properties along with the degradation profile of aliphatic polyesters, by for example alterations in their composition and architecture. In this study, well-defined star-shaped aliphatic polyesters constituted of four arms were synthesized. As a model system, L,L-lactide and a spirocyclic tin initiator was chosen and the affect of the solvent, temperature and monomer-to-initiator ratio on the number average molecular weight, the molecular weight distribution and the conversion of the polymers was shown. Consecutively, we proved that well-defined star-shaped block copolymers composed of 1,5-dioxepan-2-one and L,L-lactide with narrow molecular weight distributions and controlled block lengths can be synthesized using this system.
Place, publisher, year, edition, pages
2006. 37-38 p.
IdentifiersURN: urn:nbn:se:kth:diva-81493OAI: oai:DiVA.org:kth-81493DiVA: diva2:497535
The 232nd ACS National Meeting, San Francisco, CA, September 10-14, 2006
QC 201205292012-02-102012-02-102012-05-29Bibliographically approved