LAMINATE ADHESIVE COMPOSITION
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United States of America Patent
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Jun 2, 2016
app pub date -
Jul 17, 2014
filing date -
Jul 17, 2014
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Abstract
An object of the present invention is to reduce the amount of a chemical substance migrated to food while maintaining adhesion of a transparent vapor deposition film in an adhesive for a flexible package, formed of a polyol and an isocyanate. This object is achieved by a laminate adhesive composition containing a polyester polyol or a polyol such as a polyester polyol, a polyisocyanate, and a silane coupling agent (C), and also preferably a styrene-maleic acid copolymer, in which the silane coupling agent (C) is a mixture of an epoxy silane (c1) and an aminosilane (c2) or a reaction product thereof.
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