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Synthesis and properties of poly(3-n-dodecylthiophene) modified thermally expandable microspheres
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-8348-2273
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-9372-0829
2013 (English)In: European Polymer Journal, ISSN 0014-3057, E-ISSN 1873-1945, Vol. 49, no 6, 1503-1509 p.Article in journal (Refereed) Published
Abstract [en]

Functionalization of thermally expandable microspheres (TEMs) with a conjugated polymer is explored. These functionalized thermally expandable microspheres were prepared by grafting 3-n-dodecylthiophene via oxidative polymerization from a thiophene modified TEM. The thiophene modified TEM to 3-n-dodecylthiophene ratio was varied during grafting and the resulting poly(3-n-dodecylthiophene) grafted TEM were characterized by FT-IR spectroscopy, Thermal Gravimetric Analysis, Scanning Electron Microscopy, Thermo-Mechanical Analysis and X-ray diffraction. The particles were approximately 30 pm in diameter and upon heating, the functionalized microspheres expanded up to 50 times. This expansion property was related to the poly(3-n-dodecylthiophene) content, where the increase in poly(3-n-dodecylthiophene) on microsphere decreased the thermal expansion. The X-ray diffraction shows a sharpening of the poly(3-n-dodecylthiophene) (I 0 0) diffraction peak upon expansion. Grafting conjugated polymers to thermally expandable microspheres provides robust functional photo- and electro-active TEMs.

Place, publisher, year, edition, pages
2013. Vol. 49, no 6, 1503-1509 p.
Keyword [en]
Thermally expandable microspheres, Polythiophene, Conjugated polymers, Graft-copolymers
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-126897DOI: 10.1016/j.eurpolymj.2013.01.010ISI: 000321228200033Scopus ID: 2-s2.0-84878744008OAI: oai:DiVA.org:kth-126897DiVA: diva2:642862
Funder
Swedish Research Council
Note

QC 20130823

Available from: 2013-08-23 Created: 2013-08-22 Last updated: 2017-12-06Bibliographically approved

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Malmström, EvaHult, Anders

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