Environment-friendly asphalt pavement anti-rut agent and preparation method thereof

Abstract

The invention discloses a preparation method of an environment-friendly asphalt pavement anti-rut agent and an application thereof. The method comprises the following steps of: mixing and stirring 45-80 percent of polyethylene and 15-30 percent of petroleum resin derived from 'plastic waste', 5-15 percent of polymethyl methacrylate, 5-15 percent of an asphalt material and 0-10 percent of an inorganic mineral filling material at a high speed; and extruding at a high temperature to prepare the environment-friendly asphalt pavement anti-rut agent. Due to the adoption of the environment-friendly asphalt pavement anti-rut agent, the performance of an asphalt pavement is enhanced, the service life of the pavement is prolonged, 'white waste' is recycled, and environmental pollution is lowered. Polyethylene serving as a major component is either or both of industrial production low-density polyethylene and industrial recycled waste polyethylene; the industrial recovered waste polyethylene is recovered polyethylene or regenerated low-pressure polyethylene or regenerated PE (Polyethylene); the molecular weight of the petroleum resin is 300-3,000; the molecular weight of the polymethyl methacrylate is 80,000-120,000; the asphalt material is one or more of natural asphalt, coal tar asphalt and petroleum asphalt; and the inorganic mineral filling material is one or over two of calcium carbonate of 500-800 meshes, talc powder, quartz sand, glass hollow microspheres and kaolin.

Description

technical field

[0001] The invention relates to the technical field of traffic pavement overlay materials, in particular to a preparation method and application of an environment-friendly asphalt pavement anti-rutting agent that can be used in extreme environments of high temperature and rain. Background technique

[0002] Waste plastic packaging bags and waste agricultural film discarded in the environment will cause damage to the cityscape and ecological environment, which is what people often call "white garbage".

[0003] The hazards of "white garbage" mainly include visual pollution and potential hazards. Visual pollution refers to the destruction of city appearance and landscape caused by waste plastic products scattered in the environment. Affect the overall aesthetics of urban scenic spots. Potential hazards refer to the hazards caused by waste plastics that are difficult to degrade after entering the environment, hindering crops from absorbing water and nutrients ...

Examples

Embodiment 1

[0025] Add 45% polyethylene, 20% petroleum resin, and 20% natural asphalt to the high-speed mixer, adjust the speed of the mixer to 1800-2000 rpm, and raise the temperature to 140-150°C for 0.5 hours, and add 5% polyformaldehyde Methyl acrylate and 10% glass hollow microspheres, adjust the speed of the mixer to 8000-10000 rpm, stir at high speed for 1-1.5 hours, and heat up to 150-170 ° C; put the mixed material into twin-screw extrusion Machine, keep 150-170 ℃, make it form a molten mixture and then extrude; maintain 130-150 ℃ environment in the water cooling process, and cut into pellets to obtain the finished product.

Embodiment 2

[0027] Add 50% polyethylene, 25% petroleum resin, and 13% natural asphalt to the high-speed mixer, adjust the speed of the mixer at 1800-2000 rpm and raise the temperature to 140-150°C for 0.5 hours, and add 8% polyformaldehyde Methyl acrylate and 4% glass hollow microspheres, adjust the speed of the mixer to 8000-10000 rpm, stir at high speed for 1-1.5 hours, and heat up to 150-170 °C; put the mixed material into twin-screw extrusion Machine, keep 150-170 ℃, make it form a molten mixture and then extrude; maintain 130-150 ℃ environment in the water cooling process, and cut into pellets to obtain the finished product.

Embodiment 3

[0029] Add 60% polyethylene, 10% petroleum resin, and 13% natural asphalt to the high-speed mixer, adjust the speed of the mixer at 1800-2000 rpm and raise the temperature to 140-150°C for 0.5 hours, and add 12% polyformaldehyde Methyl acrylate and 5% glass hollow microspheres, adjust the speed of the mixer to 8000-10000 rpm, stir at high speed for 1-1.5 hours, and heat up to 150-170 °C; put the mixed material into twin-screw extrusion Machine, keep 150-170 ℃, make it form a molten mixture and then extrude; maintain 130-150 ℃ environment in the water cooling process, and cut into pellets to obtain the finished product.

technical field

[0001] The invention relates to the technical field of traffic pavement overlay materials, in particular to a preparation method and application of an environment-friendly asphalt pavement anti-rutting agent that can be used in extreme environments of high temperature and rain. Background technique

[0002] Waste plastic packaging bags and waste agricultural film discarded in the environment will cause damage to the cityscape and ecological environment, which is what people often call "white garbage".

[0003] The hazards of "white garbage" mainly include visual pollution and potential hazards. Visual pollution refers to the destruction of city appearance and landscape caused by waste plastic products scattered in the environment. Affect the overall aesthetics of urban scenic spots. Potential hazards refer to the hazards caused by waste plastics that are difficult to degrade after entering the environment, hindering crops from absorbing water and nutrients ...

Examples

Embodiment 1

[0025] Add 45% polyethylene, 20% petroleum resin, and 20% natural asphalt to the high-speed mixer, adjust the speed of the mixer to 1800-2000 rpm, and raise the temperature to 140-150°C for 0.5 hours, and add 5% polyformaldehyde Methyl acrylate and 10% glass hollow microspheres, adjust the speed of the mixer to 8000-10000 rpm, stir at high speed for 1-1.5 hours, and heat up to 150-170 ° C; put the mixed material into twin-screw extrusion Machine, keep 150-170 ℃, make it form a molten mixture and then extrude; maintain 130-150 ℃ environment in the water cooling process, and cut into pellets to obtain the finished product.

Embodiment 2

[0027] Add 50% polyethylene, 25% petroleum resin, and 13% natural asphalt to the high-speed mixer, adjust the speed of the mixer at 1800-2000 rpm and raise the temperature to 140-150°C for 0.5 hours, and add 8% polyformaldehyde Methyl acrylate and 4% glass hollow microspheres, adjust the speed of the mixer to 8000-10000 rpm, stir at high speed for 1-1.5 hours, and heat up to 150-170 °C; put the mixed material into twin-screw extrusion Machine, keep 150-170 ℃, make it form a molten mixture and then extrude; maintain 130-150 ℃ environment in the water cooling process, and cut into pellets to obtain the finished product.

Embodiment 3

[0029] Add 60% polyethylene, 10% petroleum resin, and 13% natural asphalt to the high-speed mixer, adjust the speed of the mixer at 1800-2000 rpm and raise the temperature to 140-150°C for 0.5 hours, and add 12% polyformaldehyde Methyl acrylate and 5% glass hollow microspheres, adjust the speed of the mixer to 8000-10000 rpm, stir at high speed for 1-1.5 hours, and heat up to 150-170 °C; put the mixed material into twin-screw extrusion Machine, keep 150-170 ℃, make it form a molten mixture and then extrude; maintain 130-150 ℃ environment in the water cooling process, and cut into pellets to obtain the finished product.

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