Ceramifiable Silicone Cable Composition for Heat Reflection and Resilience
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Solution Overview
Problem
Silicone materials used in fire safety applications lack resilience and high heat reflection, and are often difficult to process, with existing materials being either rigid or hard to process.
Innovation Solution
A silicone composition comprising peroxidically or condensation crosslinked organopolysiloxane materials, metal oxides, boric acid, or zinc borate, combined with a platinum complex and mica, which can produce a ceramic material at elevated temperatures, providing both mechanical strength and heat reflection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If silicone materials are used for fire safety applications, then resilience is improved, but heat reflection capability deteriorates
Solution Approach 1:
The patent creates a composite material combining silicone polymer with ceramic particles (alumina, silica) and mica. The silicone matrix provides resilience and flexibility, while the ceramic particles contribute heat reflection capability. This composite structure resolves the contradiction by integrating materials with complementary properties, allowing the final product to exhibit both resilience from the polymer and heat reflection from the ceramic inclusions.
Solution Approach 2:
The patent modifies the chemical composition parameters of the silicone material by incorporating specific ratios of ceramic particles (10-40 wt% alumina, 5-20 wt% silica) and mica (20-60 wt%). By adjusting these compositional parameters, the material achieves optimal balance between resilience and heat reflection capability, transforming the material properties to satisfy both requirements simultaneously.
2Object-affected harmful factors
If materials with excellent heat reflection are used, then heat reflection capability is improved, but mechanical resilience deteriorates
Solution Approach 1:
The patent employs a composite structure where rigid ceramic particles providing heat reflection are dispersed within a flexible silicone polymer matrix. The silicone binder maintains mechanical resilience and flexibility while the ceramic particles provide heat reflection. This composite approach allows the material to exhibit heat reflection properties without sacrificing the mechanical resilience inherent in the polymer matrix.
Solution Approach 2:
The patent applies different material properties to different components of the composite: the silicone polymer matrix provides local flexibility and resilience, while the dispersed ceramic particles provide local heat reflection capability. This spatial distribution of different material qualities within the composite allows simultaneous achievement of heat reflection and mechanical resilience at the macroscopic level.
3Object-affected harmful factors
If rigid materials are used for heat reflection, then heat reflection capability is improved, but processability deteriorates
Solution Approach 1:
The patent combines rigid heat-reflective ceramic particles with a processable silicone polymer matrix. The polymer matrix serves as a binding medium that facilitates processing (molding, extrusion, shaping) while the ceramic particles provide the desired heat reflection properties. This composite structure resolves the processability issue by using the polymer's flexibility to enable manufacturing operations, while the rigid particles remain embedded to provide thermal performance.
Solution Approach 2:
The silicone polymer acts as an intermediary material that bridges the gap between rigid ceramic particles and processing requirements. The polymer matrix allows the rigid heat-reflective particles to be incorporated into processable forms such as extruded profiles or molded components, enabling manufacturing while maintaining the thermal performance of the ceramic inclusions.
4Object-affected harmful factors
If ceramic particles are added to improve heat reflection, then heat reflection capability is improved, but material homogeneity deteriorates
Solution Approach 1:
The patent optimizes the particle size parameters of the ceramic additives and their concentration ratios in the composite. By controlling particle size distribution and using appropriate mixing parameters, the patent achieves relatively homogeneous distribution of ceramic particles within the silicone matrix, minimizing aggregation while maintaining heat reflection capability.
Solution Approach 2:
The patent creates a composite where ceramic particles of controlled size and distribution are embedded in the silicone matrix. The careful selection of particle size ranges and distribution strategies ensures that while the material contains heterogeneous components (ceramic and polymer), the overall composition achieves sufficient homogeneity for practical applications, with particles evenly dispersed throughout the matrix rather than clustered.
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 composition achieves excellent mechanical, heat-ageing, and insulating properties, forming a ceramic material that is resistant to impact and shock, with improved processing ease and wide-ranging applications including fire safety and insulation.
Implementation Method 1
a peroxidically crosslinked or a condensation crosslinked organopolysiloxane material
Implementation Method 2
a peroxidically crosslinked or a condensation crosslinked organopolysiloxane material
Implementation Method 3
The composition produces a ceramic material at temperatures of 610° C. or more
Data Source
AI summary
A composition includes a peroxidically crosslinked or a condensation crosslinked organopolysiloxane material. The composition includes a silicone polymer. Also, the composition includes at least one of a metal oxide, a metal containing compound, boric acid, or zinc borate. The metal oxide is selected from a group consisting of magnesium oxide, aluminum oxide, tin oxide, calcium oxide, titanium oxide and barium oxide. The metal-containing compound produces a metal oxide of the group on heating. The composition includes a platinum complex containing at least one unsaturated group and 33-100 parts by weight of mica based on 100 parts by weight of the organopolysiloxane material. The composition produces a ceramic material at temperatures of 610° C. or more.