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Color anti-skid ultrathin wearing layer capable of degrading automobile exhaust and preparation method thereof

A technology of automobile exhaust gas and wear layer is applied in the field of pavement structure and materials, which can solve the problems of peeling, insufficient contact area of ​​photocatalytic degradation reaction, and rapid degradation of degradation efficiency, so as to enhance the photocatalytic effect and realize the development of rare earth resources. protective effect

Inactive Publication Date: 2013-07-24
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wear layer has the effect of degrading automobile exhaust to purify the air, and solves the defects of easy peeling off of the photocatalyst from the road surface, rapid decline in degradation efficiency, and insufficient contact area for photocatalytic degradation reactions, and uses colored special aggregates with high polishing value In order to increase the friction of the road surface, the road surface can maintain excellent waterproof, fog-proof and anti-skid road performance. It also has the effect of visually serving as a traffic warning and beautifying the environment, and has a good combination with the road surface and is easy to construct.

Method used

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  • Color anti-skid ultrathin wearing layer capable of degrading automobile exhaust and preparation method thereof
  • Color anti-skid ultrathin wearing layer capable of degrading automobile exhaust and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044]A colored non-slip ultra-thin wear layer that can degrade automobile exhaust gas is composed of:

[0045] Epoxy 12%

[0046] Modified epoxy resin 3%

[0047] Composite photocatalyst 2%

[0048] Amino terminated polyether 5%

[0049] Hardener 4%

[0050] Curing Accelerator 8%

[0051] The rest is aggregate, and its total weight meets 100%.

[0052] Above-mentioned composite photocatalyst is by the rare earth CeO of above-mentioned composite photocatalyst weight 10% 2 Mixed crystal nano-titanium dioxide with 90% rutile and anatase is poured into a mill for mixed grinding until the fineness reaches below 5 μm.

[0053] A method for preparing a colored non-slip ultra-thin wear layer capable of degrading automobile exhaust, the specific steps are as follows:

[0054] 1) Weigh the epoxy resin and modified epoxy resin in proportion and put them into the grinding tank, add the composite photocatalyst evenly at 1000rpm, and then grind at 4000rpm for 80min to obtain compone...

Embodiment 2

[0068] A colored non-slip ultra-thin wear layer that can degrade automobile exhaust gas is composed of:

[0069] Two-component polyurethane 20%

[0070] Composite photocatalyst 4%

[0071] Hardener 4%

[0072] Curing Accelerator 4%

[0073] The rest is aggregate, whose total weight meets 100%

[0074] Above-mentioned composite photocatalyst is by the rare earth CeO of above-mentioned composite photocatalyst weight 15% 2 It is obtained by pouring 85% rutile nano-titanium dioxide into a mill for mixing and grinding until the fineness reaches below 5 μm.

[0075] A method for preparing a colored non-slip ultra-thin wear layer capable of degrading automobile exhaust, the specific steps are as follows:

[0076] 1) Weigh the epoxy resin and modified epoxy resin in proportion and put them into the grinding tank, add the composite photocatalyst evenly at 1000rpm, and then grind at 4000rpm for 80min to obtain component A;

[0077] 2) Weigh the curing agent and curing accelerator ...

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Abstract

The invention relates to a color anti-skid ultrathin wearing layer capable of degrading automobile exhaust and a preparation method thereof. The wearing layer consists of the raw materials as follows: epoxy resin, modified epoxy resin, a composite photocatalyst, amine-terminated polyether, a curing agent, a curing accelerator and aggregates. The wearing layer also can be prepared from the raw materials as follows: double-component polyurethane, a composite photocatalyst, a curing agent, a curing accelerator and aggregates. Before the wearing layer is laid, the original road surface needs to be treated, then paying-off and edge protection are performed, binders are mixed, color anti-wear aggregates capable of degrading exhaust gas are scattered uniformly, non-bonded aggregates are recovered, and finally maintenance of the wearing layer, traffic control and opening are performed. The wearing layer has performances of degrading the automobile exhaust and purifying air, can increase the road friction so as to enable the road surface to maintain excellent water mist-proof and anti-skid pavement performance, achieves effects of traffic warning and environment beautifying visually, and has excellent environmental benefit and social benefit.

Description

technical field [0001] The invention relates to a road pavement structure and material, in particular to a colored non-slip ultra-thin wear layer capable of degrading automobile exhaust and a preparation method thereof. Background technique [0002] With the continuous and rapid development of China's economy, the continuous improvement of the income level of the people, the increase of car ownership and the development of road traffic, the problem of traffic congestion is becoming more and more serious, and at the same time it has caused great pollution to the atmosphere and the ecological environment. The current status of environmental pollution has received worldwide attention. In order to protect the living environment, countries all over the world have imposed strict restrictions on the emissions of greenhouse gases, harmful gases, and solid dust. [0003] In order to cope with a series of negative impacts brought about by the increase in road traffic and car ownershi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/14C04B22/06
Inventor 叶奋左锋吴怀睿王素英黄运徐骁龙
Owner TONGJI UNIV
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