POLYMERIZATION INHIBITOR AND RETARDER COMPOSITIONS WITH AMINE STABILIZER
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United States of America
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Jan 16, 2020
app pub date -
Jul 12, 2019
filing date -
Jul 12, 2019
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Abstract
Described are compositions and methods for inhibiting polymerization of a monomer (e.g., styrene) composition, which use an N—O polymerization inhibitor, a quinone methide polymerization retarder, and an amine stabilizer having a primary and/or secondary amine group. In a mixture, the amine-based stabilizer can prevent antagonistic effects and can provide greater antipolymerant activity. In turn, the mixture inhibits apparatus fouling and improves the purity of monomer streams.
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