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AQUEOUS SURFACE TREATMENT FOR ENVIRONMENT-FRIENDLY PRECOATED METAL MATERIALS, SURFACE-TREATED METAL MATERIALS, AND ENVIRONMENT-FRIENDLY PRECOATED METAL MATERIALS
AQUEOUS SURFACE TREATMENT FOR ENVIRONMENT-FRIENDLY PRECOATED METAL MATERIALS, SURFACE-TREATED METAL MATERIALS, AND ENVIRONMENT-FRIENDLY PRECOATED METAL MATERIALS
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机译：用于环境友好的预涂金属材料，表面处理的金属材料和环境友好的预涂金属材料的水表面处理
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摘要
corrosion , coating adhesion ( primary adhesion of the coating in the T bend test and seal the secondary adhesion ) and my coin scratch resistance and provides a non- chromium-based water-based surface treatment agent , useful as an agent for the manufacture of a superior not pre -coated metal material . ; the silane coupling agent and / or condensate of the silane coupling agent (A ) , metal oxide sol (B), and a metal -containing compound (C) and the water-dispersible silica (D), the metal compound (C) is V, W, Mo, Al, Sn, Nb, Hf, Y, Ho, Bi , La, Ce , and at least one member selected from the compound of Zn and , (B) / (A) weight ratio is from 1/50 ~ 10/1, (C) / (A) weight ratio is 1/1000 - 4/10 and , (D) / (A) weight ratio is 1/50 ~ 10/1 environment corresponding type metal -free coating material for water-based surface treatment agent , and metal -based materials and chromium- free coating metal materials with the film .
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