Patent ID: 9644081
Date: 2017-05-09
CPC Classifications: C08K

Claim:
1. A polyamide moulding composition comprising: a) 91.6 to 99.97% by weight of at least one partially aromatic amorphous polyamide producible by polycondensation of b) at least one UV absorber from the group of N,N′-oxamides, c) at least one UV absorber from the group of hydroxyphenyltriazines, and d) one or more additives selected from the group consisting of condensation catalysts, chain regulators, de-foamers, inorganic stabilizers, organic stabilizers, lubricants, colourants, marking means, pigments, nucleation agents, antistatic agents, mould-release agents, optical brighteners, natural layer silicates, synthetic layer silicates, glass fibres, and mixtures thereof, wherein the difference between the yellow index (YI 2) after 12 cycles of a radiation- and temperature treatment and the original yellow index (YI 1) is at most 4.