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Composition for heat storage material, heat storage material and preparation method thereof
The invention relates to the field of heat storage materials, and discloses a composition for a heat storage material, the heat storage material and a preparation method of the heat storage material.The composition comprises an asphalt material, graphite and an inorganic mineral material; the asphalt material is selected from coal-based asphalt and/or coal-based modified asphalt, the C/H of the asphalt material is 1.3-1.7, the softening point is greater than or equal to 130 DEG C, and the residual carbon rate after carbonization is greater than or equal to 66%; on the basis of the total weight of the composition for the heat storage material, the content of the asphalt material is 10-40 wt%, the content of the graphite is 20-80 wt%, the content of the inorganic mineral material is 10-70 wt%, and the prepared heat storage material has high thermal conductivity, compressive strength and volume density at the same time.
本发明涉及储热材料领域，公开了一种储热材料用组合物和储热材料及其制备方法，该组合物包含沥青材料、石墨和无机矿物材料，其中，所述沥青材料选自煤基沥青和/或煤基改质沥青，所述沥青材料的C/H为1.3～1.7，软化点≥130℃，炭化后的残碳率≥66％；以所述储热材料用组合物的总重量为基准，所述沥青材料的含量为10～40重量％，所述石墨的含量为20～80重量％，所述无机矿物材料的含量为10～70重量％，所制备的储热材料同时兼具较高的热导率、抗压强度和体积密度。
Composition for heat storage material, heat storage material and preparation method thereof
The invention relates to the field of heat storage materials, and discloses a composition for a heat storage material, the heat storage material and a preparation method of the heat storage material.The composition comprises an asphalt material, graphite and an inorganic mineral material; the asphalt material is selected from coal-based asphalt and/or coal-based modified asphalt, the C/H of the asphalt material is 1.3-1.7, the softening point is greater than or equal to 130 DEG C, and the residual carbon rate after carbonization is greater than or equal to 66%; on the basis of the total weight of the composition for the heat storage material, the content of the asphalt material is 10-40 wt%, the content of the graphite is 20-80 wt%, the content of the inorganic mineral material is 10-70 wt%, and the prepared heat storage material has high thermal conductivity, compressive strength and volume density at the same time.
本发明涉及储热材料领域，公开了一种储热材料用组合物和储热材料及其制备方法，该组合物包含沥青材料、石墨和无机矿物材料，其中，所述沥青材料选自煤基沥青和/或煤基改质沥青，所述沥青材料的C/H为1.3～1.7，软化点≥130℃，炭化后的残碳率≥66％；以所述储热材料用组合物的总重量为基准，所述沥青材料的含量为10～40重量％，所述石墨的含量为20～80重量％，所述无机矿物材料的含量为10～70重量％，所制备的储热材料同时兼具较高的热导率、抗压强度和体积密度。
Composition for heat storage material, heat storage material and preparation method thereof
储热材料用组合物和储热材料及其制备方法
GAO GUANGHUI (author) / LIU JUNQING (author) / LIANG WENBIN (author)
2020-12-22
Patent
Electronic Resource
Chinese
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