Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 47, Issue 22, Pages 6025-6031Publisher
WILEY
DOI: 10.1002/pola.23645
Keywords
biomass; biomaterials; isosorbide; polyurethanes; vesicles; viscoelastic; viscoelastic properties
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Two- and three-component polyurethanes containing 1,4:3,6-dianhydro-D-sorbitol (isosorbide) derived from glucose were synthesized using n-BuSn(=O)OH center dot H2O as a catalyst, and the thermal properties (T-g, T-d) of the polymers were investigated by differential scanning calorimetry and thermogravimetric analysis. We carried out molds for polyurethanes, the molds of polyurethanes were obtained. The dynamic mechanical analyzes showed that the storage modulus values of the three-component polymers were constant to a higher temperature than those of the two-component polymers. The storage moduli (E'), loss moduli (E ''), and values of tan delta for the polymers were obtained. The rigidity of three-component polymers was increased by the introduction of bisphenol A and diphenylmethane group to two-component polymer. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47:6025-6031,2009
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