High-efficiency and energy-saving composite shape-stabilized phase change material and preparation method thereof
A technology of shape-setting phase change material and composite material, which is applied in the field of high-efficiency and energy-saving composite shape-setting phase change material and its preparation, can solve the problems of poor binding ability of inorganic substrate materials, low latent heat of energy storage, failure of energy storage function, and the like. Achieve the effect of increasing the overall load, low leakage energy storage efficiency, and improving compatibility
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Embodiment 1
[0024] The high-efficiency and energy-saving composite shape-changing material of this embodiment includes the weight parts of the following components:
[0025] Sludge shale ceramsite porous material: 60; organic phase change composite material: 40; modified cement material: 20; the porosity of the above sludge shale ceramsite is between 50% and 55%; The phase change composite material is a mixture of polybasic fatty acid material and degradable polyester. The mass ratio of polybasic fatty acid material to degradable polyester is 1:0.2. The degradable polyester can be polyethylene glycol ester; The fatty acid material is a mixture of capric acid, lauric acid and palmitic acid, and the mass ratio of capric acid, lauric acid and palmitic acid is 1:0.5:0.7, so that the organic phase change composite material is adsorbed on the pores of sludge shale ceramsite Inside, and the modified cement is coated on the surface of the sludge shale ceramsite to form an encapsulation. The obta...
Embodiment 2
[0029] The high-efficiency and energy-saving composite shape-changing material of this embodiment includes the weight parts of the following components:
[0030] Sludge shale ceramsite porous material: 50; organic phase change composite material: 30; modified cement material polyvinylpyrrolidone modified cement: 25; make the porosity of the above sludge shale ceramsite 55% to 60% Between; the organic phase change composite material used is a mixture of polybasic fatty acid material and degradable polyglycidyl methacrylate, and the mass ratio of polybasic fatty acid material to degradable polyglycidyl methacrylate is 1:0.05; The polybasic fatty acid material is a mixture of capric acid, stearic acid and lauric acid, and the mass ratio of capric acid, stearic acid and lauric acid is 1:0.4:0.6, so that the organic phase change composite material is adsorbed on the sludge shale pottery In the pores of the granules, the modified cement is coated on the surface of the sludge shale c...
Embodiment 3
[0034] The high-efficiency and energy-saving composite shape-changing material of this embodiment includes the weight parts of the following components:
[0035] Sludge shale ceramsite porous material: 55%; organic phase change composite material: 35%; polymer propylene liquid emulsion modified portland cement: 15%; make the above sludge shale ceramsite porosity 60%-65 %, and make the specific surface area of sludge shale ceramsite 100m 2 / g; the organic phase change composite material used is a mixture of polybasic fatty acid materials and degradable polyglycidyl methacrylate, and the mass ratio of polybasic fatty acid materials to degradable polyglycidyl methacrylate is 1:0.1; The polybasic fatty acid material is a mixture of capric acid, stearic acid and methyl palmitate, and the mass ratio of capric acid, stearic acid and methyl palmitate is 1:0.2:0.3, and the organic phase change composite material is adsorbed on the sludge In the pores of the shale ceramsite, the modi...
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