C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/50 (2006.01) C11D 7/26 (2006.01) C11D 7/30 (2006.01) C11D 7/32 (2006.01) C23G 5/028 (2006.01) C11D 7/28 (2006.01)
Patent
CA 2295553
This invention provides a stabilized alkyl bromide based solvent system that is useful for cleaning and degreasing a wide variety of metal objects. The solvent is stabilized with a stabilizer system that includes a dialkyl carbonate such as dimethyl carbonate and optionally other stabilizers and/or acid scavengers to inhibit the metal induced decomposition of the alkyl bromide based solvent. The stabilized solvent is applied to metal articles by any known or conventional means to solvate and entrain greases, oils and other undesirable matter from the article's surface.
La présente invention concerne un système de solvant à base de bromure d'alkyle stabilisé utile dans le nettoyage et le dégraissage d'une grande variété d'objets métalliques. Le solvant est stabilisé avec un système de stabilisation comprenant un carbonate de dialkyle, tel que le carbonate de diméthyle, et éventuellement d'autres stabilisateurs et/ou acides de nettoyage afin d'inhiber la décomposition du solvant à base de bromure d'alkyle induite par le métal. Le solvant stabilisé est appliqué sur des articles métalliques par n'importe quel procédé classique de manière à diluer et supprimer de la surface de l'article toute trace de graisses, d'huiles ou d'autres matières indésirables.
Great Lakes Chemical Corporation
Smart & Biggar
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