Metal Protective Coating for Hot-Dip Metallic Materials
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing metal protective coatings for hot-dip metallic materials lack sufficient corrosion resistance, water resistance, thermal resistance, and fingerprint resistance.
Innovation Solution
A metal protective coating is formulated by mixing water soluble silicate, silicon oxide packing, a water soluble film formation resin, and methyltris(methylethylketoxime)silane, which forms a stable and homogeneous liquid that can be applied to hot-dip metallic substrates, enhancing the protective film's properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional metal protective coatings are used, then the coating can be applied to hot-dip metallic materials, but the protective film lacks sufficient corrosion resistance, water resistance, thermal resistance, and fingerprint resistance
Solution Approach 1:
The patent uses a composite coating system comprising multiple layers: a silane-based primer layer containing water-soluble silicate and organometallic silane compounds, and a topcoat layer containing film formation resin and silicon oxide packing. This multi-layer composite structure provides synergistic effects that simultaneously improve corrosion resistance, water resistance, thermal resistance, and fingerprint resistance beyond what single conventional coatings can achieve.
Solution Approach 2:
The patent modifies the chemical composition parameters of the coating by incorporating specific ratios of water-soluble silicate (0.5-5 parts by weight), organometallic silane compound (1-10 parts by weight), film formation resin (10-50 parts by weight), and silicon oxide packing (5-20 parts by weight). These parameter changes in composition create a protective film with enhanced and balanced performance across multiple resistance properties.
2Ease of manufacture
If existing protective coatings are applied, then the coating process can be completed, but the resulting film does not provide adequate multi-functional resistance properties
Solution Approach 1:
The patent employs water-soluble silicate as an intermediary substance that facilitates both the application process and the formation of a highly resistant protective film. The water-soluble nature enables easy coating application, while the silicate undergoes hydrolysis and condensation to form a dense, cross-linked gel structure that provides exceptional water resistance and adhesion to the metal substrate.
3Temperature
If standard protective coatings are used, then the coating can be formed on metal surfaces, but the film exhibits insufficient thermal resistance and fingerprint resistance
Solution Approach 1:
The patent incorporates silicon oxide packing particles (5-20 parts by weight) into the topcoat layer to create localized regions of high thermal stability. These inorganic packing particles form heat-resistant zones within the organic polymer matrix, providing localized thermal resistance that prevents thermal degradation and maintains film integrity at elevated temperatures.
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 resulting protective film exhibits outstanding corrosion resistance, water resistance, thermal resistance, and fingerprint resistance, improving the performance of hot-dip metallic materials.
Implementation Method 1
CH 3 Si(ONC(CH 3 )CH 2 CH 3 ) 3 as a silane coupling agent
Implementation Method 2
water soluble silicate
Implementation Method 3
water soluble silicate...form a protective film
Implementation Method 4
a coating layer attached to the hot-dip metallic substrate
Data Source
AI summary
A metal protective coating is provided, which is obtained by mixing homogeneously a raw mixture, which contains water soluble silicate, silicon oxide packing, water soluble film formation resin, CH3Si(ONC(CH3)CH2CH3)3 and water. The use thereof and a hot-dip metallic material are further provided. The protective film formed by the metal protective coating as provided has outstanding corrosion resistance, water resistance, thermal resistance, and fingerprint resistance properties.