High-durability asphalt cold patch material and preparation method thereof

A technology for cold patching materials and asphalt, applied in building thermal insulation materials, building components, buildings, etc., can solve the problems of poor water resistance, dispersion, and poor cohesion.

Pending Publication Date: 2021-09-14
中山市易路美智能装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing asphalt cold patching materials for pits have the following common problems when they are used: poor water resistance, poor cohesion and short

Method used

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  • High-durability asphalt cold patch material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0040] An asphalt cold replenishment liquid is composed of the following raw materials in parts by mass: petroleum asphalt: 69 parts; SBS thermoplastic styrene-butadiene rubber: 5 parts; diesel oil: 24 parts; additives: 2 parts. The petroleum asphalt is 90# petroleum asphalt with a viscosity of not less than 180Pa.s at 60°C, the SBS thermoplastic styrene-butadiene rubber is YH-791 produced by Sinopec, the diesel is -20# diesel, and the additives are mineral oil, aviation kerosene, C5 petroleum Resin and C9 petroleum resin are composed according to the mass ratio of 5:4:1:1, and the additives are prepared by the following method: take aviation kerosene and mineral oil and add them to a high-speed shearing machine, heat up to 60°C to 80°C, and then add C5 petroleum resin and C9 petroleum resin, after continuing to heat up to 80°C-90°C, start the high-speed shearing machine to cut for 30min-40min to prepare the additive. The technical characteristics of the additive are shown in T...

Embodiment 2

[0048] An asphalt cold replenishment liquid is composed of the following raw materials in parts by mass: petroleum asphalt: 76 parts; SBS thermoplastic styrene-butadiene rubber: 4 parts; diesel oil: 18.5 parts; additives: 1.5 parts. Among them, petroleum asphalt is 90# petroleum asphalt with a viscosity of not less than 180Pa.s at 60°C, SBS thermoplastic styrene-butadiene rubber is YH-791 produced by Sinopec, diesel is -10# diesel, and the additives are mineral oil, aviation kerosene, C5 petroleum Resin and C9 petroleum resin are composed according to the mass ratio of 5:4:1:1, and the additives are prepared by the following method: take aviation kerosene and mineral oil and add them to a high-speed shearing machine, heat up to 60°C to 80°C, and then add C5 petroleum resin and C9 petroleum resin, after continuing to heat up to 80°C-90°C, start the high-speed shearing machine to cut for 30min-40min to prepare the additive. The technical characteristics of the additive are shown ...

Embodiment 3

[0056] An asphalt cold replenishment liquid is composed of the following raw materials in parts by mass: petroleum asphalt: 83 parts; SBS thermoplastic styrene-butadiene rubber: 3 parts; diesel oil: 13 parts; additives: 1 part. The petroleum asphalt is 90# petroleum asphalt with a viscosity of not less than 180Pa.s at 60°C, the SBS thermoplastic styrene-butadiene rubber is YH-791 produced by Sinopec, the diesel is 0# diesel, and the additives are mineral oil, aviation kerosene, and C5 petroleum resin. and C9 petroleum resin according to the mass ratio of 5:4:1:1. The additives are prepared by the following method: take aviation kerosene and mineral oil and add them to a high-speed shearing machine. After heating up to 60°C to 80°C, add C5 petroleum resin and C9 petroleum resin, after continuing to heat up to 80°C-90°C, start the high-speed shearing machine to cut for 30min-40min to prepare the additive. The technical characteristics of the additive are shown in Table 1.

[005...

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Abstract

The invention discloses a high-durability asphalt cold patch material and a preparation method thereof. The high-durability asphalt cold patch material comprises,s by mass, 60-70 parts of coarse aggregate; 30-40 parts of fine aggregate; 4.6-5 parts of an asphalt cold-supplementing liquid; and 2-4 parts of a modifier. The high-durability asphalt cold patch material is simple to produce, energy-saving and environment-friendly; and the high-durability asphalt cold patch material can be packaged by adopting a small barrel plastic bag, can be transported for a long distance, is convenient to use, can directly adopt simple mixing equipment, does not need to be heated, is low in energy consumption and pollution, also has better water resistance and cohesiveness, and ensures the service life.

Description

technical field [0001] The invention belongs to the technical field of road building materials, and in particular relates to a high-durability asphalt cold patch material and a preparation method thereof. Background technique [0002] Potholes are the most common and typical diseases of asphalt pavement. The appearance of potholes is often sudden and tends to expand. If it is not repaired in time, it will become more and more serious and pose a great threat to driving safety. At present, there are two schemes of hot patching and cold patching for pothole repair. Hot repair is to use hot-mix asphalt mixture to repair the pits. Its technology is mature, the source of materials is wide, the material is firmly bonded to the original road surface, and the repair effect is good. Cannot be constructed normally. Cold patching is the use of asphalt cold patching materials to repair pits and grooves. It is easy to use and has low requirements for weather, rain and snow, so it is wi...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L53/02C04B26/26C04B111/72
CPCC08L95/00C04B26/26C04B2111/72C04B2201/10C04B2201/50C08L2205/035C08L2205/025C08L53/02C04B14/02C04B24/2676C04B24/00C04B24/24C04B24/282Y02W30/91
Inventor 刘威牛洪芝姜万双
Owner 中山市易路美智能装备有限公司
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