Methods for inhibiting ethylenically unsaturated monomers

Details Methods for inhibiting ethylenically unsaturated monomers Methods for inhibiting ethylenically unsaturated monomers

C - Chemistry, Metallurgy

07

C

C07C 11/12 (2006.01) C07C 7/20 (2006.01)

Patent

CA 2135428

Methods and compositions are provided for inhibiting the polymerization of butadiene-containing streams during elevated temperature processing thereof or during storage or shipment of monomer containing product. The composition comprises a combination of (a) a phenylenediamine compound having at least one N-H bond and (b) a hydroxytoluene compound. The methods comprise adding from about 1-250 ppm of the combination to the monomer medium, per one million parts of medium.

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