Matte Anti-Fingerprint Stainless Steel Plate Coating
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Solution Overview
Problem
Existing methods fail to effectively produce matte anti-fingerprint stainless steel decorative plates that meet high standards for matte finish, anti-fingerprint properties, and industrial requirements such as salt fog resistance.
Innovation Solution
A method involving a polymer coating material mix of acrylate composite resin, amino resin, epoxy resin, inorganic nano-filler, solvent, matting agent, and anti-settling agent, applied via spray coating with precise air pressure control, followed by drying in a controlled environment to achieve a 1.5-2.5 μm film thickness and high surface quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a common anti-fingerprint stainless steel decorative plate is used, then the brightness is high, but it causes visual fatigue and light pollution
Solution Approach 1:
The patent applies a polymer coating that changes the surface optical properties from high brightness to matte finish. The coating material composition and spray coating process transform the reflective surface into a diffuse reflecting surface, reducing brightness while maintaining aesthetic appearance and eliminating visual fatigue caused by excessive reflection.
2Reliability
If a matte anti-fingerprint stainless steel decorative plate is trial-manufactured with polymer coating, then the salt fog resistance and corrosion prevention are improved, but the manufacturing process complexity increases
Solution Approach 1:
The patent uses a composite polymer coating material consisting of multiple components (acrylic resin, amino resin, epoxy resin, inorganic nano-fillers, matting agents, and anti-settling agents) to achieve both matte finish and enhanced corrosion resistance. This composite approach provides superior salt fog resistance and durability while the spray coating method simplifies the application process compared to traditional multi-step manufacturing methods.
3Manufacturing precision
If spray coating is performed with precise air pressure control, then the coating uniformity and surface quality are improved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent specifies precise air pressure control (±0.1 bar) during spray coating to achieve uniform coating thickness and consistent matte finish quality. By controlling this critical parameter, the process ensures proper atomization of the coating material and uniform deposition on the stainless steel surface, achieving high manufacturing precision in coating application.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method produces a matte anti-fingerprint stainless steel decorative plate with consistent color, high binding strength, resistance to warm water, acids, alkalis, and salt fog, meeting advanced quality standards for downstream industries like appliances and kitchenware.
Implementation Method 1
performing spray coating on a polymer coating, wherein a coating film has a thickness of 1.5-2.5 μm
Implementation Method 2
subjected to ultrasonic rinsing with deionized water
Implementation Method 3
the coating is dried to obtain a finished product
Data Source
AI summary
The present invention provides a method for preparing a matte anti-fingerprint stainless steel decorative plate. The method comprises the steps of: 1) selecting a polymer coating material, wherein the polymer coating material is formed by mixing a film forming material, an inorganic nano-filler, a solvent and an auxiliary agent, wherein the film forming material comprises the following ingredients based on the weight ratio: 30-50 parts of acrylate composite resin, 5-20 parts of amino resin, and 5-15 parts of epoxy resin; and 1-8 parts of a matting agent and 1-8 parts of an anti-settling agent are added; and 2) performing a spray coating using the polymer coating material, wherein a coating film has a thickness of 1.5-2.5 μm, the precision of the atomization air pressure of a spray gun is controlled at ±0.1 bar during spray coating, and the coating is dried to obtain a finished product and then a matte anti-fingerprint stainless steel decorative plate which has a high-standard matte and anti-fingerprint index is prepared.