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Asphalt mixture modifier and application method thereof

A technology of asphalt mixture and modifier, applied in the direction of climate sustainability, building insulation materials, building components, etc., can solve the problems of environmental pollution, unfavorable environmental protection requirements, high manufacturing and transportation costs, etc., to reduce production costs, Improve road performance, produce flexible and convenient effects

Active Publication Date: 2013-05-08
翁晓娜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, although the performance of the existing asphalt is better than that of the traditional asphalt, the cost of manufacturing and transportation is higher than that of the previous asphalt.
Moreover, during the production and processing of modified asphalt, it is necessary to use strong shear equipment to prepare modified asphalt, which will also cause environmental pollution during the modification process, which is not conducive to environmental protection requirements

Method used

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Embodiment Construction

[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0014] The asphalt mixture modifier of the embodiment of the present invention comprises the following components by mass percentage:

[0015] Plastic or recycled waste plastic: greater than or equal to 50% and less than 100%;

[0016] SBS, recycled rubber tire powder, fiber, asphalt or waste oil: greater than 0 and less than 50%.

[0017] Among them, plastics or recycled waste plastics include polyethylene materials, such as low-density polyethylene, polypropylene, ABS, PS (polystyrene), PVC (polyvinyl chloride), polyester or their blends , is not limited to this. ABS is a terpolymer resin of a...

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PUM

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Abstract

The invention relates to an asphalt mixture modifier and an application method thereof; the modifier comprises the following components by mass percentage: more than or equal to 50 percent and less than 100 percent of plastics or recycled waste plastics, and more than o and less than 50 percent of SBS, recycled rubber tire powder, fiber, asphalt or waste oil. The method comprises the following steps: the modifier and mineral aggregate are added into a mixing pot of a mixing plant to be mixed, the temperature of the mineral aggregate is no lower than 170DEG C, and the mixing time is shorter than 10s; and then the asphalt is sprayed in to be mixed when the temperature is no lower than 140DEG C, the mixing time is continued for 35 to 60s, and modified asphalt mixture is prepared. The plastics or the recycled waste plastics in the modifier can be compatible and mixed with the asphalt, and improve various application performance of the asphalt mixture and the overall road performance of a road surface. The method continuously mixes the modifier and the mineral aggregate and the asphalt so that the construction is convenient and the cost is low, simultaneously reduces the aging of the asphalt, saves energy, utilizes the recycled material, and meets the environment protection requirements in a plurality of aspects.

Description

technical field [0001] The invention relates to the field of building materials, in particular to an asphalt mixture modifier and an application method thereof. Background technique [0002] Since the 1990s, in order to improve the performance of asphalt and improve the performance of asphalt pavement, it is common practice to mix ordinary asphalt with asphalt modification additives to modify ordinary asphalt. Therefore, this intermediate modification method increases the modification process compared with the traditional asphalt mixture. Usually, the ordinary asphalt is mixed with the asphalt modification additive, and then the modified asphalt is mixed with the mineral material to make a modified asphalt mixture. materials, and then applied to the pavement. [0003] In the above-mentioned modification process, special high-energy-consuming equipment and process conditions are usually required. According to the current modified asphalt processing and production technology,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L95/00C04B26/26C04B18/22
CPCY02W30/91
Inventor 翁晓娜
Owner 翁晓娜
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