Anti-condensation ice composite material for asphalt pavement
A composite material and asphalt pavement technology, applied in the field of pavement materials, can solve the problems of poor heat resistance, affecting the wear resistance and strength of asphalt pavement, and poor mechanical properties, so as to improve the slow-release effect, enhance mechanical properties, and good compatibility Effect
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[0020] In the anti-condensation ice composite material for asphalt pavement in this embodiment, the composite material raw material includes the following components by weight: 20-30 parts of potassium chloride, 8-15 parts of methyl acrylate, 2-6 parts of silane coupling Joint agent, 2-6 parts of alkylphenol polyoxyethylene ether, 3-8 parts of zeolite, 6-13 parts of diatomaceous earth, 1-3 parts of nano-silica, 2-6 parts of maleic anhydride, 1-3 parts of Initiator; the interface free energy is reduced by the alkylphenol polyoxyethylene ether to facilitate the formation of smaller and uniform particles, and the alkylphenol polyoxyethylene ether can be adsorbed on the surface of potassium chloride to coat the salt substances. In addition, Under the synergistic effect of maleic anhydride and other substances, salt substances can enter the porous material and be coated, and methyl acrylate can also coat potassium chloride to a certain extent under the synergistic effect of other su...
Example Embodiment
[0035] Example 1
[0036] In the anti-condensation ice composite material for asphalt pavement in this embodiment, the composite material raw material includes the following components in parts by weight: 20 parts of potassium chloride, 8 parts of methyl acrylate, 2 parts of silane coupling agent, 2 parts of alkane base phenol polyoxyethylene ether, 3 parts of zeolite, 6 parts of diatomaceous earth, 1 part of nano-silicon dioxide, 2 parts of maleic anhydride, 1 part of initiator; the preparation method of the anti-condensation composite material comprises the following steps:
[0037] a. Heating the aqueous solution of potassium chloride to 62°C, stirring at constant temperature for 20 minutes, then adding hydrochloric acid to adjust the Ph value to 1, so that the hydrogen ion content in the solution is 0.1mol / L;
[0038] b. The alkylphenol polyoxyethylene ether, diatomaceous earth, zeolite, maleic anhydride and acetone were mixed and stirred for 35 minutes to form a diatomace...
Example Embodiment
[0042] Embodiment 2
[0043] In the anti-condensation ice composite material for asphalt pavement in this embodiment, the composite material raw material includes the following components by weight: 30 parts of potassium chloride, 15 parts of methyl acrylate, 6 parts of silane coupling agent, 6 parts of alkane base phenol polyoxyethylene ether, 8 parts of zeolite, 13 parts of diatomaceous earth, 3 parts of nano-silicon dioxide, 6 parts of maleic anhydride, and 3 parts of initiator; the preparation method of the anti-icing composite material comprises the following steps:
[0044] a. Heating the aqueous solution of potassium chloride to 70°C, stirring at constant temperature for 30 minutes, then adding hydrochloric acid to adjust the Ph value to 1, so that the hydrogen ion content in the solution is 0.1mol / L;
[0045] b. The alkylphenol polyoxyethylene ether, diatomaceous earth, zeolite, maleic anhydride and acetone were mixed and stirred for 45 minutes to form a diatomaceous e...
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