A kind of heat-conducting silicone grease composition with high thermal conductivity and low viscosity and preparation method thereof
A thermally conductive silicone grease, high thermal conductivity technology, applied in the direction of heat exchange materials, chemical instruments and methods, etc., can solve problems such as hindering the slippage and flow of fillers, increasing the viscosity of silicone grease, and decreasing the operability of products.
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Embodiment 1
[0034] A thermally conductive silicone grease composition with high thermal conductivity and low viscosity, including polyorganosiloxane, thermally conductive fillers, and other additives. Among them, the polyorganosiloxane is 100g of dimethyl silicone oil; the thermally conductive filler is 100g of carbon nanotubes (one-dimensional fiber shape, tube diameter 0.01 μm, length 2 μm), 100 g of hexagonal boron nitride (two-dimensional sheet shape, lateral size ( Sheet surface equivalent diameter) 15μm, longitudinal dimension (sheet thickness) 0.1μm), aluminum powder 700g (three-dimensional irregular shape, particle size 20μm); coupling agent KH-570, 5g.
Embodiment 2
[0036]A thermally conductive silicone grease composition with high thermal conductivity and low viscosity, including polyorganosiloxane, thermally conductive fillers, and other additives. Among them, the polyorganosiloxane is 100g of dimethyl silicone oil; the thermally conductive filler is 100g of carbon nanotubes (one-dimensional fibrous shape, tube diameter 0.03 μm, length 8 μm), 100 g of hexagonal boron nitride (two-dimensional sheet shape, lateral size ( Sheet equivalent diameter) 40μm, longitudinal dimension (sheet thickness) 0.8μm), aluminum powder 700g (three-dimensional irregular shape, particle size 20μm); coupling agent KH-570, 5g.
Embodiment 3
[0038] A thermally conductive silicone grease composition with high thermal conductivity and low viscosity, including polyorganosiloxane, thermally conductive fillers, and other additives. Among them, the polyorganosiloxane is 100g of dimethyl silicone oil; the thermally conductive filler is 100g of acicular boron nitride (one-dimensional fibrous, diameter 0.03μm, length 8μm), flaky silver powder 100g (two-dimensional flake, lateral dimension (sheet equivalent diameter) 40μm, longitudinal dimension (sheet thickness) 0.8μm), aluminum powder 400g (three-dimensional irregular shape, particle size 20μm), aluminum powder 300g (three-dimensional irregular shape, particle size 0.5μm) coupling agent KH-570, 5g.
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