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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

Inactive Publication Date: 2018-08-17
重庆恩光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, on ice and snow roads, cars are prone to skidding and deviation, and the braking distance is significantly prolonged, which seriously affects the operational stability and safety of the vehicle, and the incidence of traffic accidents is high.
The existing anti-icing additives cause great damage to the environment due to the excessive use of inorganic salts, especially the corrosion of bridge steel bars. Moreover, the existing anti-icing additives have poor heat resistance and cannot meet the requirements of hot-mix asphalt co-production. The production process of the mixture affects the wear resistance and strength of the asphalt pavement due to its poor mechanical properties

Method used

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preparation example Construction

[0020] The anti-icing composite material used for asphalt pavement of the present embodiment, the composite material raw material comprises the following components by weight: 20-30 parts of potassium chloride, 8-15 parts of methyl acrylate, 2-6 parts of silane di 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 Initiator: reduce the interfacial free energy through alkylphenol polyoxyethylene ether to facilitate the formation of smaller uniform particles, and alkylphenol polyoxyethylene ether can be adsorbed on the surface of potassium chloride to coat salt substances. In addition, Under the synergistic action of maleic anhydride and other substances, salts can enter the porous material and be coated, and methyl acrylate can also cover potassium chloride to a certain extent under the synergistic action of other substances; The preparation metho...

Embodiment 1

[0036] The anti-icing composite material used for asphalt pavement of the present embodiment, the composite material raw material comprises the following components 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-icing composite material comprises the following steps:

[0037] a. Heat the aqueous solution of potassium chloride to 62°C, stir at constant temperature for 20 minutes, then add hydrochloric acid to adjust the Ph value to 1, so that the hydrogen ion content in the solution is 0.1mol / L;

[0038] b. Alkylphenol polyoxyethylene ether, diatomaceous earth, zeolite, maleic anhydride and acetone were mixed and stirred for 35 minutes to form diatomaceous earth acetone suspension;

[0039] c. the produc...

Embodiment 2

[0043] The anti-icing composite material used for asphalt pavement of the present embodiment, the composite material raw material comprises 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, 3 parts of initiator; the preparation method of the anti-icing composite material comprises the following steps:

[0044] a. Heat the aqueous solution of potassium chloride to 70°C, stir at constant temperature for 30 minutes, then add hydrochloric acid to adjust the Ph value to 1, so that the hydrogen ion content in the solution is 0.1mol / L;

[0045] b. Alkylphenol polyoxyethylene ether, diatomaceous earth, zeolite, maleic anhydride and acetone were mixed and stirred for 45 minutes to form diatomaceous earth acetone suspension;

[0046] c. the pr...

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PUM

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Abstract

The invention discloses an anti-condensation ice composite material for an asphalt pavement. The composite material comprises the following raw material components by weight: 20-30 parts of potassiumchloride, 8-15 parts of methyl acrylate, 2-6 parts of a silane coupling agent, 2-6 parts of alkylphenol ethoxylate, 3-8 parts of zeolite, 6-13 parts of diatomaceous earth, 1-3 parts of polypropylene fiber, 1-3 parts of nano-silica, 2-6 parts of maleic anhydride and 1-3 parts of an initiator; salt substances are coated with other materials by chemical bonding, the sustained release effect is improved, the corrosion of bridge reinforcing steel bars by the salt substances can be avoided, no environmental pollution and damage is caused, material compatibility is good, and the anti-condensation icecomposite material has a certain heat resistance, can meet the production process requirements of blending with asphalt, in addition, the anti-condensation ice composite material and the asphalt havemicroscopic compatibility, and the anti-condensation ice composite material can enhance mechanical properties of the asphalt pavement.

Description

technical field [0001] The invention relates to a pavement material, in particular to an anti-icing composite material used for asphalt pavement. Background technique [0002] In the early winter or the end of winter, the temperature alternates between cold and warm, and the snowfall on the road surface gradually melts under the action of driving load. Under the action of negative temperature, it is easy to form thin ice, and the anti-skid performance of the road surface drops sharply. Ice and snow cause the adhesion coefficient of vehicle tires to be greatly reduced. Therefore, on ice and snow roads, cars are prone to skidding and deviation, and the braking distance is significantly prolonged, which seriously affects the operational stability and safety of the vehicle, and the incidence of traffic accidents is high. The existing anti-icing additives cause great damage to the environment due to the excessive use of inorganic salts, especially the corrosion of bridge steel b...

Claims

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Application Information

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IPC IPC(8): C08L71/02C08L23/12C08K13/04C08K3/16C08K7/26C08K3/34C08K3/36C08F283/06C08F220/14
CPCC08F283/06C08K2201/011C08L71/02C08L2201/08C08L23/12C08K13/04C08K3/16C08K7/26C08K3/34C08K3/36C08F220/14
Inventor 杨转运
Owner 重庆恩光科技有限公司
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