Ketene imine compound, polyester film, back sheet for solar cell module and solar cell module
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United States of America Patent
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Jan 3, 2017
Grant Date -
Aug 20, 2015
app pub date -
May 5, 2015
filing date -
Nov 6, 2012
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Abstract
By forming a polyester film from a polyester resin composition including ketene imine compound represented by the following Formula (1) and polyester, the polyester film having excellent hydrolysis resistance in which volatilization of the ketene imine compound or the ketene compound can be suppressed. In Formula (1), R1 and R2 represent an alkyl group, an aryl group, an alkoxy group, an alkoxycarbonyl group, an aminocarbonyl group, an aryloxy group, an acyl group, or an aryloxycarbonyl group, and the R1—C(═C)—R2 substructure has a molecular weight of 320 or greater. R3 represents an alkyl group or an aryl group.
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