MULTI-LAYER BODY MADE OF POLYCARBONATE WITH HIGH WEATHERING RESISTANCE
    1.
    发明申请
    MULTI-LAYER BODY MADE OF POLYCARBONATE WITH HIGH WEATHERING RESISTANCE 有权
    具有高耐候性的聚碳酸酯多层体

    公开(公告)号:US20160046838A1

    公开(公告)日:2016-02-18

    申请号:US14654692

    申请日:2013-12-18

    Abstract: Disclosed is a multi-layer body with high weathering resistance comprising (a) a substrate layer containing at least one thermoplastic polymer (b) one cover layer on at least one side of the substrate layer, characterised in that the substrate layer further contains: (a1) at 0.02 wt. % to 0.2 wt %, at least one colorant on the basis of anthraquinone of structure (1) or (2) with structure (1), R1 and R2 standing, independently of each other, for H, OH, OR5 NH2 and NHR5, R5 being selected from alkyl, cycloalkyl, phenyl and substituted and annulated phenyls, and R3 standing for H, alkyl, alkoxy, and R4 standing for H, OH and p-methylphenyl-NH—; and with structure (2): (a2) at 0.01 wt % to 1.00 wt. %, one or a plurality of demoulders, and the cover layer consisting of a coating on the basis of polysiloxane or on the basis of polyacrylate or on the basis of polyurethane acrylate, containing at least one UV-absorber and having a layer thickness of 2-15 m.

    Abstract translation: 公开了一种具有高耐候性的多层体,其特征在于:(a)在所述基材层的至少一侧含有至少一种热塑性聚合物(b)一层覆盖层的基材层,其特征在于,所述基材层还包含: a1)0.02重量% 基于具有结构(1)的结构(1)或(2)的蒽醌的至少一种着色剂,R 1和R 2彼此独立地表示H,OH,OR 5 NH 2和NHR 5的至少一种着色剂, R5选自烷基,环烷基,苯基和取代和环状苯基,R3代表H,烷基,烷氧基和R4代表H,OH和对甲基苯基-NH-; 和结构(2):(a2)在0.01重量%至1.00重量% %,一个或多个脱模剂,以及覆盖层,其由基于聚硅氧烷的涂层或基于聚丙烯酸酯或基于聚氨酯丙烯酸酯的聚氨酯丙烯酸酯组成,所述聚氨酯丙烯酸酯含有至少一种UV吸收剂并且层厚度为2 -15米。

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