Aplitud polyester blends with the improved flowing and with good mechanical properties.

摘要

Polyester mixture, comprising A) from 30 to 98% of at least one thermoplastic aromatic polyester, B) from 0.01 to 15% by weight of B1) at least one highly branched polycarbonate or hyperbranched or B2) at least one highly branched or hyperbranched or mixtures thereof, C) from 1 to 20% by weight of a polyester consisting ca1) polyester from 40 to 60% by weight, based on total weight of a1) components and a2) of at least one succinic acid, adipic acid or sebacic acid or its ester-forming derivatives or mixtures thereof, ca2) from 40 to 60% by weight, based on the total weight of components a1) and a2) of terephthalic acid or its ester-forming derivatives or mixtures thereof, cb) 100 mol%, based on components a1) and a2) 1,4-butanediol or 1,3-propanediol or mixtures thereof, by way of diol component, cd1) of sde 0 to 1% by weight of a compound having at least three groups capable of ester, by way of branching agent; cd2) 0 to 2% by weight of a diisocyanate, as an extender chains, D) from 0 to 60% by weight of other additives, giving 100% the sum of the weight percentages of components A) to D).