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    • 7. 发明授权
    • VERFAHREN ZUR HERSTELLUNG EINES POLYCARBONAT-SCHICHTVERBUNDES
    • EP2205436B1
    • 2011-04-20
    • EP08843351.1
    • 2008-10-29
    • Bundesdruckerei GmbHBayer Material Science AG
    • LEOPOLD, AndréMUTH, OliverKNEBEL, MichaelSEIDEL, RainerEHREKE, JensPAESCHKE, ManfredPUDLEINER, HeinzYESILDAG, CengizMEYER, Klaus
    • B32B27/36B42D15/00B42D15/10
    • B32B27/365B32B7/045B32B27/08B32B2307/75B32B2425/00B32B2554/00Y10T428/31507
    • The invention relates to a method for producing a composite comprising at least one first polymer layer and a second polymer layer, each being made of a polycarbonate polymer based on bisphenol A, an intermediate layer being disposed between the first polymer layer and the second polymer layer, comprising the following steps: a) the intermediate layer is applied to at least one partial region of the first polymer layer, b) optionally the intermediate layer is dried, c) on the side on which the intermediate layer is disposed, the first polymer layer is coated with a liquid preparation containing a solvent, or a solvent mixture, and a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, the preparation covering the intermediate layer, d) optionally, after step c) a drying step is carried out, e) after step c) or step d), the second polymer layer is placed onto the first polymer layer, covering the intermediate layer, and f) the first polymer layer and the second polymer layer are laminated to each other under pressure, at a temperature of 120ºC to 230ºC and for a defined time period.
    • 本发明涉及用于制造复合物的方法,所述复合物包含至少一个第一聚合物层和第二聚合物层,每个聚合物层由基于双酚A的聚碳酸酯聚合物制成,中间层设置在第一聚合物层和第二聚合物层之间 ,包括以下步骤:a)将中间层施加到第一聚合物层的至少一个部分区域,b)任选地将中间层干燥,c)在中间层设置的一侧,第一聚合物 用包含溶剂或溶剂混合物和基于偕二取代的二羟基二苯基环烷烃的聚碳酸酯衍生物的液体制剂涂覆所述制剂,所述制剂覆盖所述中间层,d)任选地,在步骤c)之后进行干燥步骤, e)在步骤c)或步骤d)之后,将第二聚合物层置于第一聚合物层上,覆盖中间层,并且f)将第一聚合物层和 d第二聚合物层在压力下在120℃至230℃的温度下彼此层压并且持续限定的时间段。