| abstract |
A composition comprising A) 70 to 95 parts by weight of at least one polymer selected from the group consisting of aromatic polycarbonates and aromatic polyester carbonates, and B) 1 to 10 parts by weight of a mixture comprising at least A polybutadiene-containing vinyl (co)polymer and at least one polybutadiene-free vinyl (co)polymer, C) 1 to 20 parts by weight of at least one phosphorus-containing flame retardant (flame) Retardant), selected from the group consisting of phosphonate amines, phosphazenes, and general formula (V) and oligomeric phosphoric acid and phosphonic esters groupnâ–ˇnWherein R1, R2, R3 and R4 are each independently a selectively halogenated C1 to C8-alkyl group, in each case a selective alkyl-substituted (preferably C1 to C4-alkyl-substituted) and/or Or halogen-substituted (preferably chloro- or bromo-substituted) C5 to C6-cycloalkyl, C6 to C20-aryl or C7 to C12-aralkyl, n independently 0 or 1 q is 0 To 30 X is a polycyclic aromatic radical having 12 to 30 carbon atoms, or one having 2 tona linear or branched aliphatic radical of 30 carbon atoms which may be OH-substituted and may contain up to 8 ether linkages, D) 0.1 to 20.0 parts by weight (in each case the sum of components A to C is a reference to at least one polymer additive, wherein the polybutadiene content is from 0.5% to 5.5% by weight based on the total weight of the components A to C, and wherein the component B is not The total content of the butadiene-containing vinyl (co)polymer is from 0.5% to 5.0% by weight based on the total of the components A to C, and the composition does not contain thermoplastic polyesters such as poly The alkyl terephthalate, and the sum of the parts by weight of the components A, B and C in the polycarbonate composition are calibrated to 100, and formed from these compositions and a polyurethane layer A composite component that is significant for improved adhesion between the two layers and a method of making the composite assembly. |