Study of Synthesis of Novel ɤ-Valerolactone-Based Polyurethanes

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The ring opening of -valerolactone (GVL) with amine compounds was reported as a promising molecular engineering tool to synthesize precursors for new bio-based polymers such as polyurethanes (PUs). Experimental work on the synthesis of polymers based on GVL/1,2-ethanolamine and GVL/1,2-diaminoethane adducts, and di-isocyanates (1,4-phenylene-di-isocyanate (PDI) 2,4-toluene-di-isocyanate (TDI) and hexamethylene-di-isocyanate (HDI)) is described. The polymers were characterized by FTIR, 1H-NMR, 13C-NMR, elemental analysis and GPC. The best polymerization results were obtained using TEA as the catalyst, DMA as the solvent and a temperature of 140°C for the reaction of the GVL/1,2-aminoethanol adduct with TDI. A polymer with a molecular weight (Mw) of 156 KDalton was produced in 97% yield.

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Periodical:

Edited by:

Mohamed Othman

Pages:

297-302

Citation:

M. Chalid et al., "Study of Synthesis of Novel ɤ-Valerolactone-Based Polyurethanes", Applied Mechanics and Materials, Vols. 229-231, pp. 297-302, 2012

Online since:

November 2012

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$41.00

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