C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 7/20 (2006.01) C07C 15/46 (2006.01) C08F 2/40 (2006.01) C08F 12/00 (2006.01)
Patent
CA 2646342
A method of inhibiting an aromatic vinyl compound from polymerizing during production, purification, storage, or transportation. The method not only inhibits initial polymerization but efficiently inhibits polymerization over long. It imparts excellent handleability to the aromatic vinyl compound. The method, which is for inhibiting the polymerization of an aromatic vinyl compound, comprises adding a nitrogenous aromatic compound and a sulfonic acid compound in combination to the aromatic vinyl compound during production , purification, storage, or transportation.
La présente invention concerne un procédé permettant d'empêcher un composé de vinyle aromatique de se polymériser durant sa production, sa purification, son stockage ou son transport. Le procédé non seulement inhibe la polymérisation initiale mais il inhibe aussi de manière efficace la polymérisation à long terme. Il communique une excellente maniabilité au composé de vinyle aromatique. Le procédé qui permet d'inhiber la polymérisation d'un composé de vinyle aromatique comprend l'ajout d'un composé aromatique azoté et d'un composé d'acide sulfonique en combinaison au composé de vinyle aromatique durant sa production, sa purification, son stockage ou son transport.
Nakajima Junichi
Tanizaki Seiji
Hakuto Co. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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