Design of Elastomeric Homo- and Copolymer Networks of Functional Aliphatic Polyester for Use in Biomedical Applications
2010 (English)In: Chemistry of Materials, ISSN 0897-4756, E-ISSN 1520-5002, Vol. 22, no 9, 3009-3014 p.Article in journal (Refereed) Published
An unsaturated aliphatic polyester was synthesized by condensation polymerization to yield the pre-polymer, poly(but-2-ene-1,4-diyl malonate) (PBM), which is applicable as an elastomeric network and as a macroinitiator for the polymerization of cyclic ester monomers. The method of preparation was simple and straightforward with no need to purify the monomers or add a potentially harmful catalyst. The number average molecular weight of the pre-polymer could easily be increased from 5000 to 12000 by extending the reaction time. The pre-polymer PBM was successfully cross-linked with UV-radiation to form a clear, transparent, colorless, flexible, and strong film. PBM as a macroinitiator for L-lactide (LLA) and epsilon-caprolactone (CL) polymerizations highly increased the ductility of the LLA-polymer, while maintaining the strength, compared to PLLA polymerized with common initiators. The tensile properties of PCL were also improved. The linear PCL-PBM and PLLA-PBM polymers were easily cross-linked to give polymers with greater strength and higher modulus as the result.
Place, publisher, year, edition, pages
2010. Vol. 22, no 9, 3009-3014 p.
epsilon-caprolactone, cross-linking, enzymatic polymerization, poly(propylene fumarate), l-lactide, 1, 5-dioxepan-2-one, polymers, initiator, kinetics
IdentifiersURN: urn:nbn:se:kth:diva-19409DOI: 10.1021/cm100520jISI: 000277194600042ScopusID: 2-s2.0-77951964678OAI: oai:DiVA.org:kth-19409DiVA: diva2:337456
FunderSwedish Research Council, 2008-5538
QC 201005252010-08-052010-08-052011-08-30Bibliographically approved