LAYERED PRODUCT HAVING POROUS LAYER AND FUNCTIONAL LAYERED PRODUCT MADE WITH THE SAME
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United States of America Patent
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Issued Date -
Apr 7, 2011
app pub date -
Jun 9, 2009
filing date -
Jun 10, 2008
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Abandoned
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Abstract
The present invention provides a layered product having a porous layer made mainly of a polymer on a base, and a process for producing the same; and a functional layered product wherein a pattern of a functional material, such as an conductive material, is formed onto a light-transmitting base using the layered product having the porous layer, and a process for producing the functional layered product. A layered product comprising a base and a porous layer on at least one surface of the base, wherein the porous layer is constituted of a composition containing a polymer as a main component, the porous layer has micropores having an average pore diameter of 0.01 to 10 μm, and has a porosity of 30 to 85%, the composition constituting the porous layer has a glass transition temperature of 20° C. or higher, and the porous layer is a layer which is convertible to a transparent layer by a heat treatment through disappearance of the micropores. A conductive pattern is formed on the porous layer surface of the layered product, and then the resultant layered product is subjected to a heat treatment to cause the micropores in the porous layer to disappear, thereby converting the porous layer to a transparent layer.
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