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Biological asphalt material for roads and preparation method of biological asphalt material

A bio-asphalt and road technology, applied in building insulation materials, building structures, building components, etc., can solve problems such as low strength and poor stability, achieve good stability, effective recycling, improve water stability and low temperature resistance The effect of cracking properties

Inactive Publication Date: 2018-08-21
ZHENGZHOU UNIVERSITY OF AERONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing bio-asphalt materials for roads cannot meet the needs of road materials well in use, have low strength and poor stability, and cannot effectively replace petroleum asphalt

Method used

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  • Biological asphalt material for roads and preparation method of biological asphalt material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Step 1: Weigh the following raw materials in parts by weight: 28 parts of base asphalt, 15 parts of waste polymer material powder, 0.1 part of zinc oxide, 15 parts of diluent, 2 parts of leveling agent MS, 0.2 parts of stabilizer sulfur, and 0.05 parts of graphene powder parts, 0.05 parts of carbon nanotubes.

[0022] Step 2: Pyrolyzing the waste polymer material powder into bio-oil, distilling the bio-oil at atmospheric pressure, and collecting heavy components of bio-oil above 100°C.

[0023] Step 3: Heat the base asphalt to 150°C and stir for 3 minutes, then cool down to 110°C, continue stirring for 3 minutes, then raise the temperature to 170°C, and stir for 30 minutes at a stirring rate of 2000r / min to obtain a premix.

[0024] Step 4: Cool the premix to 110°C, then add 0.1 part of zinc oxide, diluent, homogenizer MS, stabilizer sulfur, and continue stirring for 7 minutes at a stirring rate of 2000r / min;

[0025] Step 5: Add graphene powder and carbon nanotubes, a...

Embodiment 2

[0027] Step 1: Weigh the following raw materials in parts by weight: 25 parts of matrix asphalt, 11 parts of waste polymer material powder, 0.12 parts of zinc oxide, 13 parts of thinner, 1 part of homogenizer MS, 0.2 parts of stabilizer sulfur, and 0.1 part of graphene powder parts, 0.05 parts of carbon nanotubes.

[0028] Step 2: Pyrolyzing the waste polymer material powder into bio-oil, distilling the bio-oil at atmospheric pressure, and collecting heavy components of bio-oil greater than 100°C;

[0029] Step 3: Heat the base asphalt to 140°C and stir for 3 minutes, then cool down to 105°C, continue stirring for 2 minutes, then raise the temperature to 180°C, and stir for 30 minutes at a stirring rate of 1500r / min to obtain a premix.

[0030] Step 4: Cool the premixed material to 120°C, then add bio-oil heavy component, zinc oxide, diluent, homogenizer MS, stabilizer sulfur, and continue to stir for 7 minutes at a stirring rate of 1500r / min;

[0031] Step 5: Add graphene po...

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Abstract

The invention discloses a biological asphalt material for roads and belongs to road construction materials. The biological asphalt material is prepared from the following raw materials in parts by weight: 10 to 30 parts of matrix asphalt, 5 to 18 parts of waste polymer material powder, 0.05 to 0.2 part of zinc oxide, 10 to 20 parts of a diluent, 0.5 to 4 parts of a homogenizing agent MS, 0.1 to 0.3 part of stabilizer sulfur, 0.05 to 0.2 part of an additive, wherein the additive is prepared from the following raw materials in parts by weight: 0.02 to 0.1 part of graphene powder and 0.03 to 0.1part of carbon nanotube. The biological asphalt material for the roads, disclosed by the invention, effectively recycles wastes and has the advantages of high toughness, good stability and the like when being used as a road construction material. The biological asphalt material for the roads significantly improves the strength, water stability and low temperature cracking resistance of the asphaltmaterial by adding graphene and the carbon nanotubes.

Description

technical field [0001] The invention relates to road building materials, in particular to a biological asphalt material for roads and a preparation method thereof. Background technique [0002] With the rapid development of road engineering construction in our country, the highway mileage has increased rapidly. This just needs a large amount of construction materials, and wherein, the consumption of bio-asphalt materials for roads is also very large. However, the existing bio-asphalt materials for roads cannot well meet the needs of road materials in use, have low strength and poor stability, and cannot effectively replace petroleum asphalt. [0003] Therefore, inventing a bio-asphalt material for roads with high strength and good stability has great practical value. Contents of the invention [0004] The invention provides a biological asphalt material for roads, which can solve the above-mentioned problems in the prior art. [0005] The invention provides a biological...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L91/00C08K3/00C08K3/06C08K3/22C08K3/04
CPCC08K2003/2296C08K2201/003C08K2201/004C08K2201/011C08L95/00C08L2205/025C08L2205/03C08L91/00C08K3/00C08K3/06C08K3/22C08K3/041C08K3/042
Inventor 陈会凡麻华丽马亚丽张大英郝晓燕
Owner ZHENGZHOU UNIVERSITY OF AERONAUTICS
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