Olefin Block Composite Thermal Conductivity
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Solution Overview
Problem
Current thermally conductive materials for heat management in electronic and telecommunication applications, such as thermal interface materials and injection-moldable components, require further improvement in thermal conductivity to effectively dissipate heat from microelectronics and data infrastructure devices.
Innovation Solution
A thermally conductive material comprising an olefin block composite and a thermally conductive filler, where the filler increases the thermal conductivity of the olefin block composite, potentially by 10% to 1000%, achieving thermal conductivities of up to 4 W/m·K, suitable for use in thermal interface materials and molded heat-dissipation components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If thermally conductive fillers are added to olefin block composite, then thermal conductivity is improved, but manufacturing complexity increases
Solution Approach 1:
The patent applies composite materials principle by combining olefin block composite with thermally conductive fillers (such as aluminum oxide, aluminum nitride, boron nitride, or zinc oxide) to create a new material system that achieves enhanced thermal conductivity (up to 4 W/m·K) while maintaining processability through optimized filler content ranges (1-40 wt%)
2Temperature
If high filler content is used to increase thermal conductivity, then heat dissipation capability is improved, but material processability deteriorates
Solution Approach 1:
The patent applies parameter changes principle by optimizing the filler content within specific ranges (1-40 wt%) and adjusting processing parameters (melt temperature, molding pressure) to balance thermal conductivity enhancement with maintainable processability, ensuring the composite can still be effectively molded and processed
3Temperature
If thermally conductive materials are used in high-power electronic devices, then heat dissipation is improved, but temperature resistance requirements increase
Solution Approach 1:
The patent applies composite materials principle by selecting inorganic filler materials (aluminum oxide, aluminum nitride, boron nitride, zinc oxide) that inherently possess high thermal conductivity and temperature stability, combining them with olefin block composite to create a material that can withstand elevated operating temperatures while effectively dissipating heat
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 material effectively enhances heat dissipation capabilities, addressing the growing challenge of managing heat in high-power electronic devices by providing improved thermal conductivity and temperature resistance, making it suitable for advanced heat management applications.
Implementation Method 1
a thermally conductive filler, wherein said thermally conductive filler is present in an amount sufficient to provide said thermally conductive material with a higher thermal conductivity relative to said olefin block composite in its neat state
Data Source
AI summary
Thermally conductive materials comprising an olefin block composite and a thermally conductive filler, where the thermally conductive filler is present in an amount sufficient to increase the thermal conductivity of the olefin block composite relative to the olefin block composite in its neat state. Such thermally conductive materials can be used in various articles of manufacture, such as a thermal interface material or a molded heat dissipation component.