Neutral metal surface coarsening treatment solution with super-hydrophilicity and super-oleophilicity, and preparation method and application thereof

Abstract

The invention provides a neutral metal surface coarsening treatment solution with super-hydrophilicity and super-oleophilicity, and a preparation method and application thereof. The neutral metal surface coarsening treatment solution with super-hydrophilicity and super-oleophilicity comprises the following components according to the total mass of 100%: 2%-10% of chemical components A, 3%-30% of chemical components B and 60%-95% of chemical components C; and the chemical components A comprise mixtures of alkyl siloxane modified nano-silica solutions and catalysts, and the chemical components Acomprise mixtures of fatty acid water alcohol liquid and catalysts. According to the metal surface coarsening treatment solution, through "binary synergy" principles of micro-nano materials, the micro-nano coarsening of the metal surface is achieved, and the super-hydrophilic and super-oleophilic effects of the surface are achieved; and the compatibility of the surface coating materials is higher, and the metal surface adhesion is higher. The coarsening treatment solution provided by the invention is neutral, and is environmentally friendly, safe and recyclable; and zero discharge can be achieved, and the coarsening treatment solution has broad application prospects.

Description

technical field [0001] The invention relates to the technical field of metal surface engineering materials, in particular to a metal surface roughening treatment liquid and its preparation method and application, in particular to a neutral metal surface roughening treatment liquid with superhydrophilic and superlipophilic effects and its Preparation methods and applications. Background technique [0002] At present, the main ways to improve the adhesion of metal surfaces are: physical mechanical methods, such as shot blasting, sandblasting, etc.; chemical methods, such as pickling and phosphating, silanization, vitrification, etc. The purpose of these several treatment methods is to increase the metal surface adhesion by increasing the specific surface area or increasing the roughness of the metal surface. [0003] Physical mechanical processes such as sandblasting and shot blasting mainly use physical mechanical force to physically strike the metal surface, so that uneven ...

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Problems solved by technology

But this invention only checks the adhesion of the rubber elastic element bonding material, which belongs to the solvent-diluted oil-based material, and has good bonding and adhesion with conventional metals, while for other such as water-based materials or water-based oil-based mixed materials, This roughening method does not necessarily meet the requirements of coating adhesion; the metals treated by this roughening method are only general steel, stainless steel and aluminum. It is not known whether the roughening effect is uniform and whether the adhesion meets the requirements; for special coating materials with higher adhesion requirements and both water-based and oil-based materials, such as nano-scale high-temperature-resistant and wear-resistant coating materials, the roughening The treatment can only reach the micron size, and the roughening layer does not meet the required micro-nano crystal phase morphology, which will obviously lead to insufficient adhesion; the stronger the acidity of the roughening treatment solution, the better the roughening effect and the shorter the treatment time. However, strong acidity will cause environmental and safety hazards for use and waste liquid post-treatment.

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