Road coating material capable of adsorbing tail gas as well as preparation method and application of road coating material

A coating material and road technology, applied in the direction of coating, separation methods, chemical instruments and methods, etc., can solve the problems of road surface skid resistance, water stability damage, affecting the performance of asphalt pavement, and slowing down the service life of asphalt pavement, etc. , to achieve the effect of abundant mineral resources, high mechanical and chemical stability, and great utilization potential

Inactive Publication Date: 2017-05-10
ZHENGZHOU CHENGHE INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the purification of automobile exhaust, in the field of roads, the technology of coating a layer of air-purifying materials on the surface of asphalt concrete roads is currently the main technology. The coating is mainly added to the carrier with TiO 2 Although the main exhaust gas decomposition catalyst can achieve certain effects, there are still many problems: the quantum yield of the catalyst itself is low, the rate of photocatalytic degradation is slow, and many harmful intermediate products will be produced, and the purification effect is not obvious ; Poor use durability, affecting the performance of asphalt pavement, slowing down the service life of asphalt pavement; affecting the road performance of the pavement, easy to damage the performance of the road surface such as skid resistance and water stability; increasing the construction cost

Method used

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  • Road coating material capable of adsorbing tail gas as well as preparation method and application of road coating material

Examples

Experimental program
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Effect test

Embodiment 1

[0018] In the embodiment of the present invention, a road coating material for absorbing tail gas is composed of the following raw materials in parts by weight: 42 parts of illite, 17 parts of vermiculite, 5 parts of cocamidopropyl betaine, 11 parts of triethanolamine, 3 parts citric acid.

[0019] Triethanolamine is mixed with deionized water whose mass is 5.5 times to prepare triethanolamine solution; cocamidopropyl betaine is mixed with deionized water whose mass is 3.2 times to prepare cocamidopropyl betaine solution. Mix and grind illite and citric acid, pass through a 150-mesh sieve, mix with triethanolamine solution, place in a polytetrafluoroethylene reactor, heat and stir at 126°C for 82 minutes, then lower it to 75°C to prepare mixture A . The vermiculite was pulverized and passed through a 150-mesh sieve, then mixed with cocamidopropyl betaine solution, and stirred at 92°C for 52 minutes to obtain mixture B. Mix mixture A and mixture B, stir at 75°C for 45 minutes...

Embodiment 2

[0021] In the embodiment of the present invention, a road coating material for absorbing tail gas is composed of the following raw materials in parts by weight: 50 parts of illite, 25 parts of vermiculite, 13 parts of cocamidopropyl betaine, 19 parts of triethanolamine, 7 parts of citric acid.

[0022] Triethanolamine is mixed with deionized water whose mass is 5.5 times to prepare triethanolamine solution; cocamidopropyl betaine is mixed with deionized water whose mass is 3.2 times to prepare cocamidopropyl betaine solution. Mix and grind illite and citric acid, pass through a 150-mesh sieve, mix with triethanolamine solution, put it into a polytetrafluoroethylene reactor, heat and stir at 126°C for 85 minutes, then lower it to 75°C to prepare mixture A . The vermiculite was pulverized and passed through a 150-mesh sieve, then mixed with cocamidopropyl betaine solution, and stirred at 92°C for 52 minutes to obtain mixture B. Mix mixture A and mixture B, stir at 75°C for 45 ...

Embodiment 3

[0024] In an embodiment of the present invention, a road coating material for absorbing tail gas is composed of the following raw materials in parts by weight: 44 parts of illite, 19 parts of vermiculite, 7 parts of cocamidopropyl betaine, 13 parts of triethanolamine, 4 parts citric acid.

[0025] Triethanolamine is mixed with deionized water whose mass is 5.5 times to prepare triethanolamine solution; cocamidopropyl betaine is mixed with deionized water whose mass is 3.2 times to prepare cocamidopropyl betaine solution. Mix and grind illite and citric acid, pass through a 150-mesh sieve, mix with triethanolamine solution, put it into a polytetrafluoroethylene reactor, heat and stir at 126°C for 83 minutes, then lower it to 75°C to prepare mixture A . The vermiculite was pulverized and passed through a 150-mesh sieve, then mixed with cocamidopropyl betaine solution, and stirred at 92°C for 52 minutes to obtain mixture B. Mix mixture A and mixture B, stir at 75°C for 45 minut...

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Abstract

The invention discloses a road coating material capable of adsorbing tail gas as well as a preparation method and application of the road coating material. The road coating material comprises the following raw materials in parts by weight: 42-50 parts of illite, 17-25 parts of vermiculite, 5-13 parts of cocamidopropyl betaine, 11-19 parts of triethanolamine and 3-7 parts of citric acid. The road coating material takes the illite and the vermiculite as main raw materials, and after respective treatment of other substances, the road coating material reasonably makes use of excellent characteristics of the raw materials, can effectively purify NOX and HC compounds, CO and other harmful gases in air, and has a certain effect of absorbing greenhouse gas CO2, so that the road environment is significantly improved; the road coating material is free of pollution, relatively high in mechanical and chemical stability and strong in durability; the road coating material is simple and convenient to construct, good in road performance, simple in construction process and non-toxic and harmless in the raw materials, and has significant social benefits of improving the quality of road use and protecting the environment.

Description

technical field [0001] The invention relates to the technical field of road materials, in particular to a road coating material for absorbing tail gas and its preparation method and application. Background technique [0002] With the rapid increase of the number of automobiles, the environmental pollution caused by automobile exhaust is becoming more and more serious, and the environment around the road is constantly deteriorating. The main harmful components of automobile exhaust are NO X , HC compounds, CO, particulate matter, etc. More than 40% NO in air pollutants X , More than 80% of CO and more than 70% of HC compounds are caused by automobile exhaust. Therefore, controlling the environmental pollution caused by automobile exhaust is of great significance to improving the quality of road use and protecting the environment. For the purification of automobile exhaust, in the field of roads, the technology of coating a layer of air-purifying materials on the surface of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12B01D53/02
CPCB01D53/02B01D2257/40B01D2257/502B01D2257/504C09D1/00C09D7/63Y02C20/40Y02P20/151
Inventor 不公告发明人
Owner ZHENGZHOU CHENGHE INFORMATION TECH CO LTD
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