Sequence analysis of polyether-based thermoplastic polyurethane elastomers by 13C NMR

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Química
dc.contributor	Universitat Politècnica de Catalunya. POL - Polímers Industrials Avançats i Biopolímers Tecnològics
dc.contributor.author	Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon
dc.contributor.author	Carvalho, Erica
dc.contributor.author	Alla Bedahnane, Abdelilah
dc.contributor.author	Muñoz Guerra, Sebastián
dc.date	2010-04-27
dc.identifier.citation	Martinez de Ilarduya, A. [et al.]. Sequence analysis of polyether-based thermoplastic polyurethane elastomers by 13C NMR. "Macromolecules", 27 Abril 2010, vol. 43, núm. 8, p. 3990-3993.
dc.identifier.citation	0024-9297
dc.identifier.citation	10.1021/ma100395x
dc.identifier.uri	http://hdl.handle.net/2117/6992
dc.language.iso	eng
dc.publisher	American Chemical Society (ACS)
dc.relation	http://pubs.acs.org/toc/mamobx/current
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers
dc.subject	Polyurethanes -- Analysis
dc.subject	Poliuretans -- Anàlisi
dc.title	Sequence analysis of polyether-based thermoplastic polyurethane elastomers by 13C NMR
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	In this Note we would like to report on the analysis of the microstructure of segmented polyurethanes by 13CNMRmaking use of the signals arising from nonprotonated aromatic carbons which appear to be sensitive to dyads sequence distribution. The polyurethanes here studied were obtained from poly(tetramethylene glycol) (PTMG) as macrodiol soft segment, 1,4-butanediol (BD) chain extender, and 4,40'-methylenediphenyl diisocyanate (MDI) as hard segment.The results obtained in this work provide a relatively simple and reliable method to determine the microstructure of MDI-based thermoplastic polyurethanes by means of the NMR technique.

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