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Hydrophobic multifunctional snow-melting agent and preparation method thereof

A snow-melting agent and multi-functional technology, applied in the field of hydrophobic multi-functional snow-melting agent and its preparation, can solve the problems of long-term stable release, single type, and inability to effectively deal with the problem of ice layer retention, so as to achieve a sufficiently obvious and prolonged ice-suppressing effect. The effect of the timing of ice formation

Active Publication Date: 2019-01-04
WUHAN MUNICIPAL CONSTR GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The current anti-icing coatings are often salt deicing agents, which are of a single type and only have a certain effect of lowering the freezing point, and cannot be released stably for a long time. It cannot further soften the ice layer and slow freezing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0039]Among them, the specific preparation method of the salt compound deicing agent includes: preparing a saturated calcium chloride solution with distilled water at a water bath heating condition of 50-80°C; Add zeolite powder and diatomaceous earth, stir for 5-10 minutes, then add water reducing agent; put the mixture in a high-speed shearing machine at a speed of 1000-2000 rpm for 30-40 minutes, and let it stand for 12-24 hours; Then, the mixed solution is filtered to collect the solid residue, and the filtered solid residue is vacuum-dried for 1-2 hours under the conditions of 100-200Kpa and 100-200°C to obtain the salt compound deicing agent.

[0040] Preferably, the salt compound deicing agent is subjected to hydrophobic treatment to obtain a hydrophobic salt compound deicing agent, and the hydrophobic salt compound deicing agent includes a salt compound deicing agent and a coupling agent with a mass ratio of 7-9:0.1-0.3;

[0041] The hydrophobic treatment of the salt c...

Embodiment 1

[0061] A method for preparing a hydrophobic multifunctional deicing agent comprises the following steps.

[0062] (1) Preparation of salt compound deicing agent: prepare a saturated calcium chloride solution with distilled water at a water bath heating condition of 50°C; continue adding zeolite powder and silicon to the saturated calcium chloride solution at a water bath heating condition of 50°C For diatomaceous earth, after stirring for 5 minutes, add water reducer, the mass ratio of saturated calcium chloride solution, zeolite powder, diatomite and water reducer is 7:1:1:0.5; put the mixture at a speed of 1000 rpm Cut in a high-speed shearing machine for 30 minutes, and let it stand for 12 hours; then filter the mixed solution, collect the solid residue, and vacuum-dry the filtered solid residue under the conditions of 100Kpa and 100°C for 1 hour to obtain salt compound snow melting agent.

[0063] (2) Preparation of composite antifreeze agent: add antifreeze agent to ethe...

Embodiment 2

[0070]A method for preparing a hydrophobic multifunctional deicing agent comprises the following steps.

[0071] (1) Preparation of salt compound deicing agent: prepare a saturated calcium chloride solution with distilled water at a water bath heating condition of 70°C; continue adding zeolite powder and silicon to the saturated calcium chloride solution at a water bath heating condition of 70°C For diatomaceous earth, add water reducer after stirring for 8 minutes; the mass ratio of saturated calcium chloride solution, zeolite powder, diatomite and water reducer is 8:1:1.5:0.8; put the mixture into high speed at 1500 rpm Cut in the shearing machine for 35 minutes and let it stand for 18 hours; then filter the mixed solution, collect the solid residue, and vacuum dry the filtered solid residue under the conditions of 150Kpa and 150°C for 1.5 hours to obtain salt compound snow melting agent.

[0072] (2) Preparation of composite anti-freezing agent: add anti-freezing agent to ...

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Abstract

The invention discloses a hydrophobic multifunctional snow-melting agent and a preparation method thereof. The hydrophobic multifunctional snow-melting agent comprises a hydrophobic salts composite snow-melting agent, a hydrophobic composite freezing relieving agent and a hydrophobic composite ice layer softening agent according to the mass ratio of 6-7: 1-2: 1-2; the hydrophobic salts composite snow-melting agent is formed by carrying out slow release treatment and hydrophobic treatment on a salts snow-melting agent successively; the hydrophobic composite freezing relieving agent is formed bycarrying out slow release treatment and hydrophobic treatment on a freezing relieving agent successively; and the hydrophobic composite ice layer softening agent is formed by carrying out slow release treatment and hydrophobic treatment on an ice layer softening agent successively. An ice suppressing coating formed on a road surface by coating has various effects of greatly reducing a freezing point, relieving freezing and softening an ice layer.

Description

technical field [0001] The invention belongs to the technical field of road engineering, and relates to a melting or antifreezing material used on the surface, in particular to a hydrophobic multifunctional deicing agent and a preparation method thereof. Background technique [0002] In the central part of my country, the amount of snowfall in winter is not large and the snow melts quickly. After the snow melts, the continuous low temperature weather will easily lead to the formation of the ice layer. Since the amount of snow is not large, the ice layer will not be too thick, but the ice layer also has a certain hardness. Ordinary methods of spraying salt deicing agent or mechanical deicing consume a lot of manpower and material resources, the deicing effect is not ideal, and it will also cause erosion and damage to the environment. [0003] In recent years, the road surface ice suppression technology that has been widely used is conductive surface technology and heat pipe te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/18
CPCC09K3/185
Inventor 方四发丁庆军孙聪沈凡李进辉郭鹏周锐卢吉刘冰尹炼姚昀王鑫
Owner WUHAN MUNICIPAL CONSTR GROUP
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