A cold-mix phase-change heat-storage asphalt mixture
A technology of asphalt mixture and phase change heat storage, which is applied in the field of cold mix phase change heat storage type asphalt mixture, which can solve the problem of reducing the crystallization performance of norethylene glycol, reducing the crystallinity of polyethylene glycol, and reducing the latent heat of phase change, etc. problems, to achieve the effect of alleviating the urban heat island effect, reducing road rutting, and alleviating the contradiction between power supply and demand
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Embodiment 1
[0028] A cold-mix phase-change heat-storage asphalt mixture, which is composed of basalt aggregates, porous-based phase-change heat-storage particles, 42.5 ordinary Portland cement, water, and cationic emulsified asphalt. The mass percentage of each raw material is: basalt aggregate 60%, porous base phase change heat storage particles 32%, 42.5 ordinary Portland cement 1%, water 2%, emulsified asphalt 5%.
[0029] Porous-based phase-change heat storage particles are composed of 13.2-16mm, 9.5-13.2mm porous volcanic rock aggregates, polyethylene glycol 2000, liquid epoxy resin components A, B and graphite powder, and the mass of raw materials is higher than that of porous volcanic rock aggregates. Material: polyethylene glycol 2000: liquid epoxy A component: B component: graphite powder = 100: 35: 10: 4: 0.03. And according to the steps of vacuum adsorption method, immersion coating method, and room temperature curing, the porous base phase change heat storage particles were pr...
Embodiment 2
[0035] A cold-mix phase change heat storage asphalt mixture, which is composed of limestone aggregates, porous matrix phase change heat storage particles, slaked lime, water, SBS cationic modified emulsified asphalt, the mass percentage of each raw material is: limestone aggregate 65% , Porous base phase change heat storage particles 25%, slaked lime powder 1.5%, water 3%, SBS cationic modified emulsified asphalt 5.5%.
[0036] Porous-based phase-change heat storage particles are composed of 13.2-16mm, 9.5-13.2mm porous volcanic rock aggregates, polyethylene glycol 4000, liquid epoxy resin components A, B and graphite powder. Material: polyethylene glycol 4000: liquid epoxy component A: component B: graphite powder = 100: 30: 10: 4: 0.03. And according to the steps of vacuum adsorption method, immersion coating method, and room temperature curing, the porous base phase change heat storage particles were prepared, the phase change temperature was 47.2°C, and the phase change en...
Embodiment 3
[0042] A cold-mix phase-change heat-storage asphalt mixture, which is composed of granite aggregates, porous-based phase-change heat-storage particles, 42.5% ordinary Portland cement, water, and emulsified asphalt. The mass percentage of each raw material is: granite aggregate 40 %, porous base phase change heat storage particles 50%, 42.5 ordinary Portland cement 2%, water 2.5%, emulsified asphalt 5.5%.
[0043] Porous-based phase-change heat storage particles are composed of 9.5-13.2mm, 4.75-9.5mm porous volcanic rock aggregates, domestic 54# paraffin, unsaturated polyester components A, B and aluminum powder. The mass of raw materials is higher than that of porous volcanic rock aggregates Material: domestic 54# paraffin wax: liquid epoxy component A: component B: aluminum powder = 100: 25: 10: 4: 0.02. And according to the steps of vacuum adsorption method, immersion coating method, and room temperature curing, the porous base phase change heat storage particles were prepar...
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