Composite anti-freeze agent

An anti-ice, composite technology, applied in other chemical processes, chemical instruments and methods, etc., can solve the problems of poor heat resistance, affecting the wear resistance and strength of asphalt pavement, environmental damage, etc., to improve the slow release effect, Enhance the mechanical properties and avoid the effect of corrosion

Inactive Publication Date: 2018-11-16
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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Examples

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Effect test

preparation example Construction

[0020] In the composite anti-icing agent of this embodiment, the composite material raw material includes the following components in parts by weight: 20-30 parts of magnesium chloride, 8-15 parts of ethylene glycol, 2-6 parts of silane coupling agent, 2-6 parts of Part terpene resin, 3-8 parts zeolite, 6-13 parts diatomaceous earth, 1-3 parts dimethyl silicone oil, 2-6 parts maleic anhydride, 1-3 parts corrosion inhibitor; reduce the interface by terpene resin The free energy facilitates the formation of smaller uniform particles, and the terpene resin can be adsorbed on the surface of magnesium chloride to coat the salt substances. In addition, the salt substances can enter the porous material under the synergy of maleic anhydride and other substances. Inner coating, and ethylene glycol can also cover magnesium chloride to a certain extent under the synergistic effect of other substances; the preparation method of the anti-icing composite material comprises the following step...

Embodiment 1

[0036] In the composite anti-icing agent of this embodiment, the composite raw material comprises the following components by weight: 20 parts of magnesium chloride, 8 parts of ethylene glycol, 2 parts of silane coupling agent, 2 parts of terpene resin, 3 parts of zeolite , 6 parts of diatomite, 1 part of simethicone, 2 parts of maleic anhydride, 1 part of corrosion inhibitor; the preparation method of the anti-icing composite material comprises the following steps:

[0037] a. Heating the aqueous solution of magnesium chloride to 60°C, stirring at constant temperature for 20 minutes, then adding hydrochloric acid to adjust the Ph value to 1;

[0038] b. Mix and stir terpene resin, diatomaceous earth, zeolite, maleic anhydride and acetone for 35 minutes;

[0039] c. the product in step a and step b was mixed and stirred for 35 minutes;

[0040] d. Mix the silane coupling agent with concentrated hydrochloric acid and stir to raise the temperature to 80°C, then add deionized wa...

Embodiment 2

[0043] In the composite anti-icing agent of this embodiment, the composite material raw material comprises the following components by weight: 30 parts of magnesium chloride, 15 parts of ethylene glycol, 6 parts of silane coupling agent, 6 parts of terpene resin, 8 parts of zeolite , 13 parts of diatomite, 3 parts of simethicone, 6 parts of maleic anhydride, 3 parts of corrosion inhibitor; the preparation method of the anti-icing composite material comprises the following steps:

[0044] a. Heating the aqueous solution of magnesium chloride to 70°C, stirring at constant temperature for 30 minutes, then adding hydrochloric acid to adjust the Ph value to 1;

[0045] b. terpene resin, diatomaceous earth, zeolite, maleic anhydride and acetone were mixed and stirred for 45 minutes;

[0046] c. the product in step a and step b was mixed and stirred for 45 minutes;

[0047] d. Mix the silane coupling agent with concentrated hydrochloric acid and stir to raise the temperature to 85°C...

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PUM

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Abstract

The invention discloses a composite anti-freeze agent. The composite material comprises the following raw material components: in parts by weight, 20-30 parts of magnesium chloride, 8-15 parts of ethylene glycol, 2-6 parts of silane coupling agent, 2-6 parts of terpene resin, 3-8 parts of zeolite, 6-13 parts of diatomaceous earth, 1-3 parts of polypropylene fiber, 1-3 parts of dimethicone, 2-6 parts of maleic anhydride and 1-3 parts of a corrosion inhibitor. Different degrees of coating are carried out on the salt substance by other materials through chemical bonding, not only can improvementof the sustained release effect, avoidance of corrosion of the salt substance to bridge steel bars, no pollution and damage to the environment and good compatibility among the materials be achieved, but also certain heat resistance can be achieved so as to meet the production process requirements of blending with asphalt; and in addition, the anti-freeze composite material has microscopic compatibility with asphalt so that the mechanical properties of an asphalt pavement can be enhanced.

Description

technical field [0001] The invention relates to a pavement material, in particular to a composite anti-icing agent. 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 bars. Moreover, the existing an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/18
CPCC09K3/18C09K3/185
Inventor 杨转运
Owner 重庆恩光科技有限公司
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