Abstract
Four thermoplastic elastomers having the structure of poly(ether-ester-imide)s, PEEIs, were prepared and characterized. The hard segments were synthesized from 1,4-dihydroxybutane and from an imide dicarboxylic acid based on 1,6-diaminohexane and trimellitic anhydride. Poly(tetramethylene oxide)-1000, poly(ethylene oxide)-1000 or mixtures of both oligoethers served as soft segments. The PEEI based on neat PEO-1000 was also modified by a solid state post-condensation which raised the n rel value by a factor three. All PEEIs were characterized by H NMR spectroscopy, inherent viscosity and DSC measurements, and stress-strain measurements. The PEEIs based on neat PEO-1000 were also characterized by dynamic thermal mechanical analysis, by hysteresis measurements and by melt rheology.
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