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    • 2. 发明申请
    • GALVANIZED COMPONENT WITH HIGH HEAT DISTORTION RESISTANCE
    • US20180215915A1
    • 2018-08-02
    • US15742259
    • 2016-07-04
    • Covestro Deutschland AG
    • Andreas SEIDELWolfgang SCHWARTMANNEckhard WENZPeter WEIMAR
    • C08L69/00C23C18/16C23C18/20C23C18/24C23C18/30C23C18/32C23C18/38C25D5/14C23F17/00
    • C08L69/00C08L2205/025C08L2205/03C23C18/1653C23C18/2086C23C18/24C23C18/30C23C18/32C23C18/38C23F17/00C25D5/14C08L55/02C08L51/04
    • The invention relates to a composite component consisting of a plastic support and a multi-ply metal layer applied in a galvanizing operation, the plastic support being made of a thermoplastic composition consisting of A) 50 to 90 parts by weight of at least one aromatic polycarbonate, B) 10 to 50 parts by weight of at least one graft polymer comprising a diene-containing, rubber-elastic, particulate graft base and a vinyl (co)polymer shell, C) 0 to 15 parts by weight of at least one additive, where the sum of the parts by weight of components A) and B) in the composition is standardized to 100, (i) characterized in that the rubber content from component B in the composition is at least 6 wt %, (ii) characterized in that the ratio K/S of the weight fractions of butadiene-containing, rubber-elastic, particulate graft base from component B) in the composition (viz. K) to the sum of free—that is, not bound covalently to the rubber base in the graft polymer of component B)—vinyl (co)polymer from component B) and of any free vinyl (co)polymer from component C) in the composition (viz. S) is at least 1.5, (iii) characterized in that component A) comprises at least one monomer unit selected from the group consisting of monomer units described by the general formula (2) in which R4 is H, linear or branched C1-C10 alkyl, and R5 is linear or branched C1-C10 alkyl, and monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1′-position of a cyclic, optionally heteroatom-substituted hydrocarbon, (iv) characterized in that the fraction (Acyc) of monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1′-position of a cyclic, optionally heteroatom-substituted hydrocarbon, based on the sum of all bisphenol-derived monomer units in component A), is in the range from 0 to 40 wt %, and, if the fraction of monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1′-position of a cyclic, optionally heteroatom-substituted hydrocarbon, based on the sum of all bisphenol-derived monomer units in component A), is in the range