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The hydrothermal degradation of a one-phase and a two-phase segmented thermoplastic poly(ester urethane) (TPEUs) made entirely from lipids was studied by accelerated ageing in water at 80 °C. Extensive alteration to the morphology, hydrogen bonding index and phase separation of the TPEUs were observed in one day of immersion in the water. The TPEU also achieved a tensile half-life of one day. The...
High molecular weight, thermoplastic poly(ester urethane) (TPEU) elastomers were synthesized from oleic-acid derived polyester diols (PED)s and 1,7 heptamethylene diisocyanate (HPMDI). Functional group stoichiometry and polymerization time were used to control molecular weight and optimize thermal and mechanical properties. A targeted range of PEDs with controlled molecular weights and consistent...
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