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Main-chain functionalization of poly(l-lactide) with pendant unsaturations
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.ORCID iD: 0000-0002-5850-8873
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.
2012 (English)In: Journal of Polymer Science Part A: Polymer Chemistry, ISSN 0887-624X, E-ISSN 1099-0518, Vol. 50, no 15, 3039-3045 p.Article in journal (Refereed) Published
Abstract [en]

 Main-chain-functionalized poly(L-lactide) (PLLA) with pendant unsaturations was synthesized through a one-pot postpolymerization procedure with the PLLA homopolymer as the starting material. The material was functionalized through a-hydrogen abstraction by a sterically hindered strong base, lithium diisopropylamide, followed by the addition of an acid chloride. Two different acid chlorides were examined, lauroyl chloride as a concept electrophile and oleoyl chloride to provide the pendant unsaturations. The semisolvated system, together with branching reactions from the alpha position of the acid chloride, yielded a high molar amount of the incorporated reactant in the material. The unsaturations were preserved under the chosen conditions and the material exhibited surfactant-like properties in blends with oleic acid and PLLA.

Place, publisher, year, edition, pages
2012. Vol. 50, no 15, 3039-3045 p.
Keyword [en]
branched, graft copolymer, LDA, polyester, postpolymerization modification
National Category
Polymer Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-93838DOI: 10.1002/pola.26084ISI: 000305572900007Scopus ID: 2-s2.0-84862728554OAI: oai:DiVA.org:kth-93838DiVA: diva2:524242
Note
QC 20120727Available from: 2012-04-30 Created: 2012-04-30 Last updated: 2017-12-07Bibliographically approved

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Odelius, Karin

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