Methods and compositions for inhibiting styrene polymerization

Details Methods and compositions for inhibiting styrene polymerization Methods and compositions for inhibiting styrene polymerization

C - Chemistry, Metallurgy

07

C

31/79, 260/679.1

C07C 7/20 (2006.01) C07C 15/46 (2006.01) C09K 15/24 (2006.01)

Patent

CA 1323634

Abstract of the Disclosure Methods and compositions are provided for inhibiting the polymerization of styrene monomer during elevated temperature processing thereof or during storage or shipment of styrene containing product. The compositions comprise a combination of (a) a phenylenediamine compound having at least one N-H bond and (b) a hindered phenol compound. The methods comprise adding from 1-10,000 ppm of the combination to the styrene medium, per one million parts of styrene.

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