Multi-Component Coating Composition for Heat-Insulating Enclosures
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Solution Overview
Problem
Current methods for producing aqueous phosphate cement-enclosing masses for electronic components face challenges in scalability and efficiency, particularly in providing compositions that can be easily mixed with water to form hydraulically curable preparations for industrial-scale production of enclosures that effectively manage heat dissipation and electrical insulation.
Innovation Solution
A two- or multi-component composition comprising hydrogen phosphates, metal oxides or hydroxides, and particulate filling agents, which are stored separately and mixed with water to form an aqueous hydraulically curable preparation, allowing for the creation of enclosures that can handle significant heat and provide electrical insulation for electronic components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional methods for producing aqueous phosphate cement-enclosing masses are used, then the production process can be maintained with existing technology, but scalability and efficiency are limited for industrial-scale production
Solution Approach 1:
The composition is divided into separate components (particulate filling agent, hydrogen phosphate source, metal oxide/hydroxide, aqueous phosphoric acid) that can be stored and handled independently, then combined in controlled ratios to form the enclosing mass. This segmentation enables scalable industrial production while maintaining ease of manufacture through modular processing
Solution Approach 2:
The patent specifies precise weight percentage ranges for each component (e.g., particulate filling agent: 40-95 wt.%, hydrogen phosphate: 1-30 wt.%, metal oxide: 1-40 wt.%) that optimize both the hydraulic curing process and the final enclosure properties. These parameter specifications enable consistent industrial-scale production with improved efficiency
2Reliability
If the enclosing mass is designed to provide effective heat dissipation and electrical insulation, then the protective function is improved, but the composition complexity increases
Solution Approach 1:
The enclosing mass uses a composite formulation combining particulate filling agents (for heat dissipation and structural properties), hydrogen phosphates (for hydraulic curing), metal oxides/hydroxides (for setting reaction), and aqueous phosphoric acid (for curing activation). This composite approach achieves reliable heat dissipation and electrical insulation while managing composition complexity through functional specialization of each component
Solution Approach 2:
The multi-component composition serves multiple functions simultaneously: the particulate filling agent provides heat dissipation pathways and electrical insulation, the hydrogen phosphate and metal oxide components enable hydraulic curing for structural integrity, and the aqueous phosphoric acid activates the curing process. This multi-functionality achieves reliable protection without requiring separate systems for each function
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 solution enables the production of enclosures that effectively manage heat dissipation and electrical insulation for electronic components, with improved scalability and efficiency in industrial-scale production by forming a hydraulically cured, aqueous enclosing mass that can handle high temperatures and provide reliable protection.
Implementation Method 1
The invention relates to a two- or multi-component composition that can be converted, by mixing with water, into an aqueous, hydraulically curable preparation
Implementation Method 2
GB 2 186 227 A discloses a two-component system that can be used for the production of a curable cement, comprising, as first component, an aqueous solution comprising phosphoric acid, aluminium dihydrogen phosphate and an alkali, alkaline earth or aluminium salt of an acid at least as strong as phosphoric acid and, as second component, a metal oxide curing agent such as magnesium oxide
Data Source
AI summary
A composition is provided. The composition consists essentially of (a) 1 to 30 wt. % of a hydrogen phosphate selected from the group consisting of mono and dihydrogen phosphates of sodium, potassium, ammonium, magnesium, calcium, aluminium, zinc, iron, cobalt, and copper; (b) 1 to 40 wt. % of a compound selected from the group consisting of oxides, hydroxides, and oxide hydrates of magnesium, calcium, iron, zinc, and copper; (c) 40 to 95 wt. % of a particulate filler selected from the group consisting of glass; mono-, oligo- and poly-phosphates of magnesium, calcium, barium and aluminum; calcium sulfate; barium sulfate; simple and complex silicates; simple and complex aluminates; simple and complex titanates; simple and complex zirconates; zirconium dioxide; titanium dioxide; aluminum oxide; silicon dioxide; silicon carbide; aluminum nitride; boron nitride and silicon nitride; and (d) 0 to 25 wt. % of a constituent that differs from constituents (a) to (c).