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Color asphalt binder capable of being directly applied and preparation method thereof

A technology of colored asphalt and binders, which is applied to the coagulation pavement, building insulation materials, building components and other directions laid on site, can solve the problems of low transportation efficiency, difficult operation, and difficult to flow out, and achieves solutions to low transportation efficiency and preparation. Simple method and prolonged storage time

Active Publication Date: 2010-12-29
SHANGHAI PUDONG ROAD & BRIDGE CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current colored asphalt binder production technology generally adopts fixed or mobile tank production methods. After the colored asphalt is produced, it is transported by asphalt truck or directly pumped to the asphalt mixing plant for mixing, but the transportation distance of asphalt truck or conveyor belt Both are short, long-distance transportation is not easy to flow out after the colored asphalt binder is cooled, the transportation efficiency is low, and the operation is difficult
This problem severely limits the cross-regional promotion of colored asphalt pavement

Method used

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  • Color asphalt binder capable of being directly applied and preparation method thereof
  • Color asphalt binder capable of being directly applied and preparation method thereof
  • Color asphalt binder capable of being directly applied and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Use the formula in the following table to produce colored asphalt binders that can be put into use directly.

[0018]

[0019] The prepared colored asphalt binder has a softening point of 62°C, a ductility of 27.2cm at 5°C, and a penetration of 50 (0.1mm) at 25°C, which is suitable for ordinary colored asphalt pavement. For the colored asphalt binder that can be put into use directly, please refer to the attached figure 1 , using this solid granular colored asphalt binder directly put into use, the colored asphalt AC-10 mixture Marshall sample obtained by mixing can refer to the attached figure 2 . The Marshall stability of the mixture is 10kN, and the dynamic stability at 60°C is greater than 3500 times / mm. The other indicators are in line with the "Technical Specifications for Construction of Highway Asphalt Pavement" (JTG F40-2004) for modified asphalt densely graded asphalt concrete mixture. .

[0020] The ordinary colored asphalt binder in Example 1 has a re...

Embodiment 2

[0023] Use the formula in the following table to produce colored asphalt binders that can be put into use directly.

[0024]

[0025] The prepared colored asphalt binder has a softening point of 92°C, a ductility of 34.2cm at 5°C, and a penetration of 32 (0.1mm) at 25°C, which is suitable for high-viscosity special colored asphalt pavement. Using this color asphalt binder that can be put into use directly, the stability of the colored asphalt SMA-10 mixture obtained by mixing is 6kN, and the dynamic stability at 60°C is greater than 6000 times / mm, and the other indicators are in line with the "Technical Specifications for Construction of Highway Asphalt Pavement" "(JTG F40-2004) Technical standard for modified asphalt densely graded asphalt concrete mixture.

[0026] The high-viscosity colored asphalt binder in Example 2 has a high softening point, ductility and viscosity, and is suitable for use on high-grade roads and heavy-traffic roads.

[0027]

Embodiment 3

[0029] Use the formula in the following table to produce colored asphalt binders that can be put into use directly.

[0030]

[0031] The prepared colored asphalt binder has a softening point of 48°C, a ductility of 68cm at 5°C, and a penetration of 86 (0.1mm) at 25°C. In Example 3, the petroleum resin content is relatively small and the aromatic oil content is large. Therefore, it is necessary to increase the proportion of plasticizer, anti-sticking agent, pigment, SBS, etc. to ensure the plasticity of the colored asphalt binder and achieve the material properties that can be extruded and granulated. The direct-drop colored asphalt binder is made of iron oxide green, and the particle color is dark green. Due to the high penetration and ductility, the colored asphalt binder is relatively soft, which is suitable for ordinary colored asphalt used in the northern region.

[0032]

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Abstract

The invention belongs to the technical field of road engineering, in particular to a color asphalt binder capable of being directly applied and a preparation method thereof. The binder consists of 25 to 38 percent of petroleum resin, 12 to 22 percent of aromatic oil, 8 to 15 percent of styrene-butadiene triblock copolymer (SBS), 28 to 32 percent of color pigment, 5 to 10 percent of abherent, 0.05 to 1 percent of plasticizer, and 0.05 to 1 percent of antioxidant. The binder has a simple preparation method, can meet the technical index requirements of various building asphalts by adjusting the content of the petroleum resin, the content of the aromatic oil and the content of the styrene-butadiene triblock copolymer. Color asphalt binders in red, yellow, blue and other colors can be produced by regulating the color pigment. Furthermore, in the process of transporting the color asphalt binder, heating transportation is not required, and a special tanker for transportation is not required, so that the problems of low transportation efficiency and difficult operation of the color asphalt are solved. Meantime, the storage time of the solid particular color asphalt binder is greatly prolonged, and the color asphalt binder is convenient to apply, and has positive effect on popularization and application of color asphalt pavements.

Description

technical field [0001] The invention belongs to the technical field of road engineering, and in particular relates to a colored asphalt binder used in pavement of colored asphalt pavement in road engineering. The binder is in the form of solid particles and can be directly put into a mixing building to produce colored asphalt mixture. Background technique [0002] Colored asphalt pavement not only has the good properties of ordinary asphalt concrete, such as strong elasticity, strong vibration damping and easy cleaning and washing, but also improves the black monotony of ordinary asphalt pavement, and can be matched and coordinated with the surrounding buildings and landscapes. landscape benefits. In addition, the role of colored asphalt in traffic organization and management has been paid more and more attention. Different colors of asphalt pavement can improve the recognition effect of the driver, and can also make the driver's attention more concentrated, thereby playing...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L57/02C08L53/02C08K13/02C08K5/01E01C7/18
Inventor 赫振华闫国杰刘钢张毅李交夏庆宇胡睿徐韵淳
Owner SHANGHAI PUDONG ROAD & BRIDGE CONSTR
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