White clothes dry cleaning, why can't become bright! - Music in Japan

by:Jingliang     2020-07-20
White clothes will get dark gray in color after dry cleaning, which has been plagued by the problem of dry cleaning workers. When washing the clothes, either water or dry cleaning, but have to accept poor cleaning effect, or only not to wash.





why white clothes dry cleaning effect to be less effective than washing?


is washed with water as medium make detergent washing liquid, under the effect of a series of physical and chemical reaction, the dirt out of the clothes into the water.


in cleaning, Water) Attached to the clothing in the process of the floating dirt on the surface of the fiber with cleaning ( Water) The number of increase and decrease. In theory, cleaning, Water) The more, the more clothes clean.


chemical solvents such as tetrachloroethylene dry cleaning is use for cleaning solvent, in the dry cleaning agent soap oil under the action of mechanical force, the dirt of clothing will be dissolved, scour, suspended in the dry lotion.


in the washing solution through continuous loop filter, make the solution in the dirt, Mainly insoluble dirt) Were cut off filter separation, recover relatively clean solution.


different from the dry cleaning and washing dry cleaning washing and drying in the same machine to finish. Drying clothes in the rotation of the friction between the clothing produce electrostatic, make clothing off part of the dirt such as dust, cilia, suction to the clothing to pollution.


but, in the wash white clothes, washing & the other; Secondary pollution & throughout; And in the process of drying & other; Electrostatic adsorption & throughout; Phenomenon can cause white clothes not white lost original luster.


this is all the dry problem encountered, dry cleaners is not universal.
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