Diphase drain cleaner with halogenated aliphatic solvent

Details Diphase drain cleaner with halogenated aliphatic solvent Diphase drain cleaner with halogenated aliphatic solvent

B - Operations, Transporting

08

B

149/23

B08B 3/08 (2006.01) C11D 7/08 (2006.01)

Patent

CA 1206855

DIPHASE DRAIN CLEANER WITH HALOGENATED ALIPHATIC SOLVENT ABSTRACT OF THE DISCLOSURE A diphase drain cleaning composition and method wherein the composition has two liquid layers. The lower, denser layer makes up from 50 to 99 percent of the total composition weight while the upper, less-dense layer makes up from 1 to 50 percent of the total composition weight. The lower layer consists of at least 20 percent sulfuric acid solu- tion. The upper layer consists of a halogenated aliphatic hydrocarbon polystyrene solvent and, optionally, fully saturated aliphatic hydrocarbons. The composition attacks drain blockage consisting of polystyrene and other organic and inorganic matter in two phases. First, the lower layer of sulfuric acid contacts the blockage and melts and dissolves many organic and inorganic materials. Second, loosened polystyrene, which is not affected by the sulfuric acid, floats to the upper layer where it is dissolved by the solvent making up the upper layer.

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