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A kind of antifreeze material with controllable slow release rate applied to concrete pavement and preparation method thereof

A technology for concrete pavement and antifreeze material, which is applied in chemical instruments and methods, other chemical processes, etc., to achieve the effect of reducing damage, environment-friendly dosage, and ensuring safe and smooth flow

Active Publication Date: 2021-03-30
CHINASALT JINTAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to the strong corrosion of salts, it is rarely used in the field of concrete snow melting and ice melting.

Method used

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  • A kind of antifreeze material with controllable slow release rate applied to concrete pavement and preparation method thereof
  • A kind of antifreeze material with controllable slow release rate applied to concrete pavement and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Weigh 80g of sodium chloride and 4g of calcium chloride;

[0027] Rust inhibitor 1g: zinc dihydrogen phosphate 0.2g, sodium tungstate 0.25g, thiourea 0.25g, tetraethylene pentamine 0.1g, sodium dodecylbenzenesulfonate 0.2g;

[0028] Cross-linked polymer material 5g: Among them, epoxy resin 2g, phenolic resin 3g;

[0029] Waterproof coating 10g: talc 4g, calcium carbonate 4g, hydroxypropyl methylcellulose 2g;

[0030] The specific steps of the preparation method are:

[0031] (1) first put sodium chloride, calcium chloride and rust inhibitor together into a pulverizer to pulverize and mix, spray a certain amount of water, and then granulate through a granulation equipment to obtain core material particles;

[0032] (2) Stir the core material particles obtained in step (1) under the condition of blasting hot air until the core material is heated to 50°C, add 2.5 g of cross-linked polymer material and stir for 5 minutes, and then add waterproofing under the condition of ...

Embodiment 2

[0035] Weigh 75g of sodium chloride and 4g of calcium chloride.

[0036] 1 g of rust inhibitor: wherein, zinc dihydrogen phosphate 0.2 g, sodium tungstate 0.25 g, thiourea 0.25 g, tetraethylene pentamine 0.1 g, and sodium dodecylbenzenesulfonate 0.2 g.

[0037] 10 g of cross-linked polymer material: 5 g of phenolic resin and 5 g of acrylic resin.

[0038] Waterproof coating 10g: Among them, talc 4g, calcium carbonate 4g, hydroxypropyl methylcellulose 2g.

[0039] The preparation method is shown in Example 1.

Embodiment 3

[0041] Weigh 70 g of sodium chloride and 4 g of calcium chloride.

[0042] 1 g of rust inhibitor: wherein, zinc dihydrogen phosphate 0.2 g, sodium tungstate 0.25 g, thiourea 0.25 g, tetraethylene pentamine 0.1 g, and sodium dodecylbenzenesulfonate 0.2 g.

[0043] 15 g of cross-linked polymer material: 7 g of epoxy resin and 8 g of acrylic resin.

[0044] Waterproof coating 10g: Among them, talc 4g, calcium carbonate 4g, hydroxypropyl methylcellulose 2g.

[0045] The preparation method is shown in Example 1.

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Abstract

The invention relates to an anti-freezing material applied to concrete pavement and capable of controlling slow release rate, and a preparation method thereof. The anti-freezing material is prepared from an ice-inhibiting component, a crosslinking macromolecular material, a waterproof coating and a corrosion inhibitor. The preparation method comprises the following steps: mixing the ice-inhibitingcomponent and the corrosion inhibitor uniformly according to the proportion, pelletizing, adding salinized object particles into the crosslinking macromolecular material under the heating condition and stirring, spraying the waterproof coating and stirring, and standing and sieving to obtain the anti-freezing material capable of controlling slow release rate. The anti-freezing material has the prominent characteristics that the adding quantity and the adding types of the crosslinking macromolecular material can effectively control the structure and the thickness of the film layer, so that therelease rate of the ice-inhibiting component is effectively controlled and damage to the concrete pavement by the volume expansion of the ice-inhibiting component is avoided.

Description

technical field [0001] The invention belongs to the technical field of antifreezing and deicing of road pavement, in particular to an antifreeze material with a controllable slow release rate applied to concrete road pavement and a preparation method thereof. Background technique [0002] Surveys at home and abroad show that the quality of the road surface is an important factor affecting road traffic. In the cold winter, many highways and urban roads are often damaged by ice and snow. On icy and snowy roads, vehicles are very easy to slip and deviate, and the braking distance is also significantly extended, which seriously affects the stability and safety of vehicle operation, and the incidence of traffic accidents increases exponentially. The existence of road icing has seriously lowered the road traffic safety level, reduced the traffic capacity of the road network, and even closed the traffic road network and paralyzed transportation in severe cases. Economic losses. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/18
Inventor 王卫东黄子杰陈留平李悦李伟武奕
Owner CHINASALT JINTAN
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