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Modified asphalt

A technology of modified asphalt and asphalt, which is applied to building components, building insulation materials, buildings, etc., can solve the problems of insufficient grasp and slow growth of modified asphalt production, and achieve improved water stability, tensile strength, Good elasticity and toughness

Inactive Publication Date: 2017-08-01
ANHUI HAIDE PETROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in view of the fact that the price of modified materials is usually 2-7 times higher than that of ordinary petroleum asphalt, users have not yet fully grasped the engineering performance of materials, and the output of modified asphalt has grown slowly

Method used

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  • Modified asphalt
  • Modified asphalt

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0031] A modified asphalt, comprising the following parts of raw materials:

[0032] 90 parts of asphalt, 20 parts of modifier, 21 parts of dispersant, 33 parts of stabilizer, 59 parts of steel slag, 35 parts of sea sand, 50 parts of concrete, 16 parts of silane, 21 parts of vinylpyrrolidone-vinyl acetate copolymer.

[0033] The modifier includes: 23 parts of ethylene-vinyl acetate copolymer, 25 parts of low-density polyethylene, 0.5 part of wurtzite boron nitride, 0.5 part of polymerized diamond nanorods, and 6 parts of cold water. Its preparation method: add 25 parts of low-density polyethylene to 23 parts of ethylene-vinyl acetate copolymer, mix well, and then microwave at a microwave frequency of 2450MHz and a power of 700W for 5 minutes, then continue to microwave for 3 minutes after standing still for 30 minutes, and then add 0.5 parts Wurtzite-type boron nitride and 0.5 parts of polymerized diamond nanorods are then heated to 115-200°C and kept mixed for 15 minutes. The...

Embodiment 2

[0042] A modified asphalt, comprising the following parts of raw materials:

[0043] 85 parts of asphalt, 26 parts of modifier, 23 parts of dispersant, 21 parts of stabilizer, 39 parts of steel slag, 32 parts of sea sand, 42 parts of concrete, 18 parts of silane, 36 parts of vinylpyrrolidone-vinyl acetate copolymer

[0044] The modifiers include: 25 parts of ethylene-vinyl acetate copolymer, 21 parts of low-density polyethylene, 1 part of wurtzite boron nitride, 0.7 parts of polymerized diamond nanorods, and 8 parts of cold water. Its preparation method: Add 21 parts of low-density polyethylene to 25 parts of ethylene-vinyl acetate copolymer and mix thoroughly, then microwave at a microwave frequency of 2450MHz and a power of 700W for 5 minutes, leave it for 30 minutes, continue microwave treatment for 3 minutes, and then add 1 part Wurtzite-type boron nitride and 0.7 parts of polymerized diamond nanorods were then heated to 180°C and kept mixed for 15 minutes. The resulting m...

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Abstract

The invention discloses modified asphalt and particularly relates to the technical field of asphalt chemical engineering. The modified asphalt is prepared from the following components in parts by weight: 5-100 parts of asphalt, 5-30 parts of a modifier, 4-30 parts of a dispersant, 3-38 parts of a stabilizer, 5-69 parts of steel bar slag, 3-45 parts of sea sands, 5-60 parts of concrete, 5-21 parts of silane and 21-67 parts of a vinyl pyrrolidone-vinyl acetate copolymer. The modified asphalt prepared by the invention has very good high-temperature resistance and low-temperature resistance in a region with a larger temperature difference, has better rutting resistance and good elasticity and toughness, improves the fatigue resistance of a pavement, particularly has good strain capacity to a highway with a mass flow and a severe overload, can reduce permanent deformation of the pavement, is particularly strong in bonding capacity, can obviously improve the tension resistance of the pavement after encountering water, greatly improves the water stability of the asphalt, strengthens the bearing capacity of the pavement and reduces the phenomenon of asphalt ageing and the like of the pavement caused by ultraviolet radiation.

Description

[0001] Technical field: [0002] The invention relates to the technical field of asphalt chemical industry, in particular to a modified asphalt. [0003] Background technique: [0004] Asphalt is a dark brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid. It is liquid with a black surface and is soluble in carbon disulfide. Including natural asphalt, petroleum asphalt, shale asphalt and coal tar asphalt and other four. The main components are asphaltene and resin, and it is a waterproof, moisture-proof and anti-corrosion organic gelling material. Used in coatings, plastics, rubber and other industries, as well as paving roads, etc. This is followed by high-boiling mineral oils and small amounts of oxygen, sulfur and chlorine compounds. Glossy, liquid, semi-solid or solid state, brittle at low temperature, good adhesion and anti-corrosion performance. [0005] Many cha...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L39/06C08L23/08C08L23/06C08L91/00C08L91/06C08K13/02C08K3/38C08K3/34C08K5/098C08K5/20C08K3/36
CPCC08L95/00C08L2201/08C08L2205/02C08L2205/025C08L2205/035C08L2207/066C08L39/06C08L23/0853C08L23/06C08L91/00C08L91/06C08K13/02C08K3/38C08K3/34C08K5/098C08K5/20C08K3/36
Inventor 黄帮义
Owner ANHUI HAIDE PETROCHEM