Anti-aging environment-friendly modified asphalt material and preparation method thereof

A modified asphalt, anti-aging technology, applied in building insulation materials, building components, buildings, etc., can solve pollution and other problems

Inactive Publication Date: 2021-05-18
徐州市融道路桥有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Purpose of the invention: In order to overcome the above deficiencies, the purpose of the present invention is to provide an anti-aging and environmentally friendly modified asphalt material and its preparation method. Performance and mechanical properties, easy for large-scale production, and the compatibility of each component in the formula is good, which has a good synergistic effect, and the waste tires are processed to make rubber powder, which solves the problem of solid waste pollution caused by waste tires , is conducive to waste recycling, more environmentally friendly, economical, and has broad application prospects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036]The preparation method of the anti-aging environmental modified asphalt material, including the following steps:

[0037](1) The modified asphalt material, according to the mass parts, mainly composed of 65 matrix asphalt, 16 rubbers, 8 pieces of basalt, 10 chips, 4 ore powder, polypropylene 3 parts of the mixture of fibers and polyvinyl alcohol fibers, 1010 parts of IRGANOX, 0.5 parts of UV531 2 parts, mammethyl ester, and isopropanol aluminum, and 0.1 parts of powder decentralizers; prepared according to the above formulation;

[0038](2) Dry the rubber powder, drying temperature of 110 ° C; simultaneously heats the matrix asphalt, the mixture of polypropylene fibers and polyvinyl alcohol fibers is added to the matrix bitumen during heating, and high-speed shearing machine 30 min at a speed of 600 r / min, resulting in asphalt fiber base, heating temperature of 180 ° C;

[0039](3) Stirring the above rubber powder and the asphalt fiber base, the stirring temperature is 200 ° C, the s...

Embodiment 2

[0043](1) The modified asphalt material, according to the mass parts, mainly composed of 62 matrix asphalt, 15 rubber powder, 10 basalt, 8 chip shabs, 6 mine powder, polypropylene Fibers, polyvinyl alcohol fibers, 5 parts of polyacrylonitrile fibers, 1 parts of IrgaNOx 1010 2 parts, UV531, UV326, 0.5 n-silicate, 0.2 powder decentralizers; preparation according to the above formulation ;

[0044](2) Dry the gum particles, drying temperature is 115 ° C; simultaneously, the matrix bitumen is heated, and the polypropylene fibers, polyvinyl alcohol fibers, polyacrylonitrile fibers are added to the matrix bitumen during heating. The high-speed shearing machine cuts 25 minutes at 700 r / min to obtain asphalt fiber base, and the heating temperature is 180 ° C;

[0045](3) Stirring the above rubber powder and the asphalt fiber base, the stirring temperature is from 190 ° C, the stirring frequency is 700 r / min, the stirring time is 0.8 hours, the rubber powder is completed by the desulfurization...

Embodiment 3

[0049](1) The modified asphalt material, according to the mass parts, mainly composed of 66 matrix asphalt, 16 rubbers, 5 basalt, 8 crystals, 5 mine powder, polyethylene 4 parts of the mixture of alcohol fibers, polyacrylonitrile fibers, 2 parts of IRGAFOS 168, 2 parts of UV-770, UV-9, 3 parts of crosslinking agent orthosilicate, isopropanol aluminum mixture, powder divided 0.1 parts of the flavor; preparation according to the above formulation;

[0050](2) Try the rubber powder, drying temperature of 120 ° C; simultaneously heats the matrix asphalt, adding polyvinyl alcohol fibers, polyacrylonitrile fibers, mixture of polyvinyl alcohol fibers, polyacrylonitrile fibers during heating, with high speed shearing machine 30 min at a speed of 600 r / min, resulting in asphalt fiber base, heating temperature of 180 ° C;

[0051](3) Stirring the above rubber powder and the asphalt fiber base, the stirring temperature is 200 ° C, the stirring frequency is 700 r / min, the stirring time is 1.0 hou...

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Abstract

The invention relates to an anti-aging environment-friendly modified asphalt material and a preparation method thereof. The modified asphalt material is mainly prepared from the following components in parts by mass: 60-70 parts of matrix asphalt, 15-20 parts of rubber powder particles, 5-10 parts of coarse aggregate, 5-10 parts of fine aggregate, 3-6 parts of mineral powder, 3-5 parts of polymer fiber, 1-3 parts of an antioxidant, 1-3 parts of an anti-ultraviolet agent, 0.3-0.5 part of a cross-linking agent and 0.1-0.3 part of a deodorant. According to the anti-aging environment-friendly modified asphalt material and the preparation method thereof, the formula setting is reasonable, the preparation process is simple, the prepared modified asphalt material has excellent anti-aging performance and mechanical performance, large-scale production is easy, all the components in the formula are good in compatibility, and a good synergistic effect is achieved; rubber powder particles are prepared after waste tires are treated, so that the problem of solid waste pollution caused by the waste tires is solved, waste recycling is facilitated; and the asphalt material are more environmentally friendly and economical and has a wide application prospect.

Description

Technical field[0001]The present invention belongs to the field of asphalt material, and is specifically related to modified asphalt materials for anti-aging and environmental protection and preparation methods thereof.Background technique[0002]With the continuous development of the world road construction, asphalt has become one of the most wide road pavement materials in the world. The advantages are as follows: asphalt pavement has better flatness, the car is relatively comfortable in the road; asphalt road has certain plasticity and sticky Elasticity, can withstand enough vehicle load, has good relaxation performance; there is a good adhesion between asphalt pavement and automotive tires; asphalt pavement has a high degree of shock absorption and noise reduction; asphalt road renewable use.[0003]In recent years, my country's road construction has developed rapidly. It has become a big country in the world, and China's highway is ranked in the world. With the rapid development of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L23/12C08L29/04C08L33/20C08L21/00C08K13/02C08K3/34C08K5/134C08K5/526C08K5/132C08K5/3475C08K5/3435C08K5/1535
CPCC08L95/00C08L2205/035C08L2205/16C08L2201/08
Inventor 张明明
Owner 徐州市融道路桥有限公司
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