Mildew spot cleaning agent, preparation method of mildew spot cleaning agent and alloy cleaning method

• Main Authors: WU DAIJIN, LI PENGHUI
• Format: Patent
• Language: Chinese; English
• Published: 18.11.2022
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

The invention discloses a mildew spot cleaning agent, a preparation method of the mildew spot cleaning agent and an alloy cleaning method. The mildew spot cleaning agent comprises nitric acid or nitrate, citrate, thiourea, sulfamic acid, an additive and an emulsifier, and the additive is formed by compounding 1-hydroxyethylidene-1, 1-diphosphonic acid and citric acid; the preparation method comprises the following steps: adding the citrate, the nitrate, the thiourea, the sulfamic acid, the emulsifier and the additive into the water, and mixing to obtain the cleaning agent. According to the mildew spot cleaning agent disclosed by the invention, the additive is formed by compounding the 1-hydroxyethylidene-1, 1-diphosphonic acid and the citric acid, and the 1-hydroxyethylidene-1, 1-diphosphonic acid and the citric acid have a synergistic effect, so that the cleaning effect can be improved, and the mildew spot cleaning agent can be applied to removing mildew spots. 本发明公开了霉斑清洗剂、霉斑清洗剂的制备方法和合金的清洗方法，其中霉斑清洗剂包括硝酸或硝酸盐、