Cleaner

Abstract

The cleaner is prepared through dissolving oxalic acid in absolute ethyl alcohol and adding industrial ethyl acetate, butyl acetate or amyl acetate, and consists of oxalic acid 5-18 wt%, absolute ethyl alcohol 30-45 wt%, and industrial ethyl acetate, butyl acetate or amyl acetate 50-65 wt%. The cleaner of the present invention has excellent effect of scrubbing down scratches on surface of city building, especially those of polyester paint and sprayed paint.

Description

technical field [0001] The present invention relates to a cleaning agent. technical background [0002] At present, the surface of urban buildings is often illegally graffitied by people, commonly known as urban "psoriasis", which seriously affects the city's appearance and environmental sanitation. Due to the use of graffiti or water-insoluble polyester paint, Or spray paint, or dyes, cellulose, carbon pens, etc., which are insoluble in water, are difficult to clean with water. Organic solvents are used as cleaning agents such as trichlorotrifluoroethane, ethanol, acetone, and acids , petroleum solvents, etc., some scrubbing is not clean, leaving traces; although some can wipe off the traces of graffiti, but there are side effects, such as destroying the surface of buildings, or destroying the ozone layer of the atmosphere, which are strictly restricted. Columns, or affect people's health; some simply cannot be scrubbed off, especially for graffiti with polyester paint and...

AI Technical Summary

Problems solved by technology

[0002] At present, the surface of urban buildings is often illegally graffitied by people, commonly known as urban "psoriasis", which seriously affects the city's appearance and environmental sanitation. Due to the use of graffiti or water-insoluble polyester paint, Or spray paint, or dyes, cellulose, carbon pens, etc., which are insoluble in water, are difficult to clean with water. Organic solvents are used as cleaning agents such as trichlorotrifluoroethane, ethanol, acetone, and acids , petroleum solvents, etc., some scrubbing is not clean, leaving traces; although some can wipe off the traces of graffiti, but there are side effects, such as destroying the surface of buildings, or destroying the ozone layer of the atmosphere, which are strictly restricted. Columns, or affect people's health; some can't be scrubbed off at all, especially for graffiti with polyester paint and automatic spray paint, the scrubbing effect is very unsatisfactory