Styrene monomer polymerization inhibition using substituted...

Details Styrene monomer polymerization inhibition using substituted... Styrene monomer polymerization inhibition using substituted...

C - Chemistry, Metallurgy

07

C

C07C 7/20 (2006.01) C09K 15/30 (2006.01)

Patent

CA 2342945

It has been discovered that the polymerization of vinyl aromatic compounds, such as styrene, may be inhibited by the addition of a composition that contains a dihydroxyarene or an alkyl-dihydroxyarene, a hydrogen transfer agent, and a stable nitroxide. In another, preferred embodiment of the invention, these three components are blended in an organic amine.

L'on a découvert que la polymérisation de composés vinyliques aromatiques, tels que le styrène, peut être inhibée par adjonction d'une composition contenant un dihydroxyarène ou un alkyl-dihydroxyarène, un agent de transfert d'hydrogène et un nitroxyde stable. Dans une autre forme de réalisation préférée, ces trois constituants sont mélangés dans un amine organique.

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