Composition based on stabilized methylene chloride which can be used for degreasing metals
AssigneeElf Atochem S.A.
InventorPascal Michaud
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Abstract
The invention relates to a composition based on stabilized methylene chloride composed essentially of at least one 1,2-epoxyalkane and of at least one acetal, and preferably no nitroalkane. The composition according to the invention can be used for degreasing, cleaning and/or drying metal components.
Claims22
In a method of hot cleaning and degreasing metal components with a composition based on methylene chloride, the improvement wherein said composition also comprises stabilizing amounts of at least one 1,2-epoxyalkane and at least one acetal, with the provision that the composition contains less than a stabilizing amount of nitroalkane and quantitatively less than 1% by weight of a nitroalkane.
A composition comprising methylene chloride and stabilizing amounts of 1,2-epoxyalkane and an acetal with the provision that the composition contains less than a stabilizing amount of nitroalkane and quantitatively less than 1% by weight of a nitroalkane.
Dependencies are inferred from the claim text.