US Patent 7919013 Thermoplastic moulding compositions with high stiffness

Thermoplastic molding compositions comprisingA) from 40 to 96.2% by weight of a semiaromatic polyamide,B) from 2 to 30% by weight of an impact-modifying polymer which comprises functional groups,C) from 1 to 50% by weight of fibrous or particulate fillers or a mixture of these,D) from 0.2 to 5% by weight of a lubricant,E) from 0.5 to 15% by weight of an electrically conductive additive,F) from 0 to 30% by weight of other added materials,where the total of the percentages by weight of components A) to F) is 100%.