FOAM BODY, LAYERED FOAM BODY, LAMINATE AND HOUSING BUILDING MATERIAL
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United States of America Patent
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Issued Date -
Dec 7, 2023
app pub date -
Feb 3, 2022
filing date -
Feb 10, 2021
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Abstract
The present invention provides a foam, a laminated foam, and a laminate that are capable of providing good walking comfort and exhibiting excellent vibration-damping properties while being lightweight and are also useful for recycling interlayer films for a laminated glass. The present invention also aims to provide a building material for housing including any of the foam, the laminated foam, and the laminate. Provided is a foam having a plurality of cells, the foam containing a polyvinyl acetal and a plasticizer and having an average aspect ratio (a/b) of cells of 1.1 or greater as calculated by a predetermined method.
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