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    COATINGS FOR PRINT RECEPTIVE LAYERS
    4.
    发明公开
    COATINGS FOR PRINT RECEPTIVE LAYERS 审中-公开
    涂料压力记录层

    公开(公告)号：EP1827857A1

    公开(公告)日：2007-09-05

    申请号：EP05810989.3

    申请日：2005-11-10

    申请人： Innovia Films Limited

    发明人： CLORLEY, Eva ,  READ, Simon, James

    IPC分类号： B41M5/00 ,  B41M5/40

    CPC分类号： B41M5/5254 ,  B41M5/42 ,  B41M5/5218 ,  Y10T428/265

    摘要： The invention provides a coating on a polymeric substrate forming a non- porous print receptive layer on the polymeric substrate, printability, thermal conductivity. Tg, surface hardness and surface smoothness of the print receptive layer being regulated by forming the print receptive layer from a dispersion containing a mixture of at least two acrylic latexes, at least one chosen to have an acid value of 20 to 60 mg KOH/g resin and a Tg less than 35 centigrade degrees, and at least one having a Tg greater than 90 centigrade degrees so as to adjust the hardness/Tg of the print receptive layer the acrylic polymer being present in each latex in the discontinuous phase so that the latexes are only partially miscible with one another, the dispersion further containing as essential components a metal containing cross linking agent to cross link the acrylic latexes and thereby further regulate both the thermal conductivity and the surface hardness of the print receptive layer, hollow polymeric particles to regulate the thermal conductivity of the print receptive layer and silica particles with a primary particle size of less than 100nm to regulate the surface smoothness of the print receptive layer.