METHOD FOR COATING METALLIC SURFACES FOR PREVENTING PINHOLES ON ZINC-CONTAINING METAL SURFACES

• Main Authors: MRO MARTIN, WIETZORECK HARDY, DAHLENBURG OLAF, SPECHT JUERGEN
• Format: Patent
• Language: English; Korean
• Published: 20.05.2021
• 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

본 발명은 아연-함유 금속 표면 상에서 핀홀을 방지하기 위한, 수성 세정 조성물에서, 수성 린싱 액체에서 및/또는 수성 활성화 조성물에서의 실란 첨가제의 용도에 관한 것이다. 본 발명에 따르면, 상기 수성 조성물들 중 적어도 하나에서의 실란 함량이 0.001 내지 5 g/l의 범위이다. A method of using a silane additive in an aqueous cleaning composition, in an aqueous rinsing liquid and/or in an aqueous activation composition for preventing pinholes on zinc-containing metallic surfaces, wherein the silane content in at least one of these aqueous compositions is in a range of 0.001 to 5 g/l.