FOAM BODY, LAYERED FOAM BODY, RESIN SHEET, 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 aims to provide a foam, a laminated foam, and a resin sheet having good foaming properties, capable of exhibiting particularly excellent vibration-damping properties while being lightweight, and 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 resin sheet. Provide is a foam having a plurality of cells, the foam containing a polyvinyl acetal, a plasticizer, and a hydrogenated petroleum resin, the hydrogenated petroleum resin containing a compound having a softening point of 130° C. or higher.
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