LAMINATE, MOLDED ARTICLE, AND METHOD FOR PRODUCING LAMINATE
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 11, 2024
filing date -
Dec 11, 2024
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Abstract
A laminate includes a paper substrate layer and a first resin layer located on at least one side of the paper substrate layer. The first resin layer contains a poly(3-hydroxybutyrate) resin and polyvinyl alcohol having a degree of saponification of less than 90 mol %. The solids weight ratio of the poly(3-hydroxybutyrate) resin to the polyvinyl alcohol is from 99.8/0.2 to 95.0/5.0. The laminate can be produced by applying an aqueous coating liquid to at least one side of the paper substrate and drying the applied aqueous coating liquid to form the first resin layer on the paper substrate.
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