Blends and alloys based on an amorphous to semicrystalline copolymer, comprising amide units and comprising ether units, wherein these materials have improved optical properties

The transparent or mixture comprising a polymer, comprising by weight of component, the weight proportion of 100%: (A) 1-99% at least one of copolymer in: Which is amorphous or a crystallinity of the hypocrystalline; Comprising a comprising: (A1) a structural unit, comprising at least one cycloaliphatic structural unit; (A2) soft the structural unit; (B) 99-1% at least one selected from the polymer component: Ba (a) while the structural unit (Ba1) and ether structural unit (Ba2) hypocrystalline said claims, whereinthe Bb) without the structural unit hypocrystalline or more said claims, wherein melting point (Tm) is higher than 100℃; The of amorphous or the crystal, comprising a polymer with such a polyamide or copolymer, acylamidoAnd (C) the 0-50 weight at least one of polyamide and said claims, wherein the ether structural unit said claims, or and (B) is a a polyamide or copolymer of acylamido of said claims wherein in the step (A) and polymer. The mixture obtained or mixed polymer has a height transparency, such that the thickness of the plate is higher than 50% of the 560nm transmittance.