Abstract
An acceptor-catalyzed copolyesterification of aromatic carboxyclic acid dichlorides with bis-phenol and hexamethylene glycol in the presence of tertiary amines has been used to study the effects of the structure of co-, inter-monomers and of trialkylamines on the composition and the micro-structure of the copolymers produced under hetero-phase, non-equilibrial copolycondensation conditions. The heterophase conditions have been found to level the effects of the relative comonomer reactivities (the diols) on the forming block length. The structure of the inter-monomers and the trialkylamines did not affect the micro-structure of the copolymers. The use of various type anion-exchangers made it possible to alter the micro-structure in the desired direction.
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