Optically active poly(ester-imide): synthesis and characterization of new optically active poly(ester-imide) thermoplastic elastomers
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AbstractThis Paper deals with the polycondensation between a chiral diacyl chloride (2-(N,N’-pyromelliticdiimido)-bis-propanoic acid chloride (4)) and polyethyleneglycol-diol (PEG-200) and/or three synthetic aromatic diols. The corresponding new PEIs and Co-PEIs which have been obtained in quantitative yields are soluble in polar aprotic solvents, have good thermal stability and optical activity.
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