PRODUCTION OF POLYURETHANE FOAM
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United States of America Patent
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Issued Date -
Jun 6, 2024
app pub date -
Feb 24, 2022
filing date -
Mar 2, 2021
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Abstract
A composition for producing rigid PU foam contains at least one polyisocyanate component, at least one polyol component, a blowing agent, a solid flame retardant, and optionally, a catalyst that catalyzes the formation of a urethane or isocyanurate linkage. The composition also contains at least one surfactant based on a quaternary ammonium compound.
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