High polymer asphalt modifier and preparation method and application thereof

A kind of asphalt modifier and polymer technology, which is applied in building components, building insulation materials, construction, etc., can solve the problem of poor compatibility between modifier and base asphalt, cumbersome preparation process of modifier, large oil disposable resources, etc. problems, to achieve the effect of good fatigue resistance, good elasticity and good application prospects

Active Publication Date: 2012-11-21
SICHUAN XINGONGGU BUILDING MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing asphalt modifiers have defects such as complex process, poor compatibility between modifiers and base asphalt, consumption of a large amount of disposable resources such as petroleum, and high energy consumption.
[0004] For example: Chinese patent application CN 102190898 discloses a method for preparing modified road asphalt. This method requires steps such as cracking, decompression separation, and preparation of diluent to prepare a modifier, which can be used in the modification of asphalt. The preparation process of its modifier is cumbersome, causing great environmental pollution and high energy consumption

Method used

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  • High polymer asphalt modifier and preparation method and application thereof
  • High polymer asphalt modifier and preparation method and application thereof
  • High polymer asphalt modifier and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Embodiment 1 The preparation of asphalt modifier of the present invention

[0083] Prepare the raw materials of component A according to the following requirements: 2.86t polyethylene, 2.86t polypropylene, 1.00t methyl polyacrylamide resin, 0.29t glycerol. The above-mentioned raw materials are crushed to a powder of 1-2mm and put into a mixer and stirred for 6 minutes, and then the mixed material is put into a reaction kettle at 200°C, degraded and esterified for 90 minutes to obtain the component A.

[0084] Prepare the raw materials of component B according to the following requirements: pine tar 2.89t, coumarone resin 1.44t, modified phenolic resin 0.72t, rubber powder 7.94t. The above-mentioned raw materials were put into a mixer and stirred for 6 minutes, and then added into a reactor degradation machine at 280° C., degraded and polymerized for 90 minutes to obtain the component B.

[0085] 35% of component A and 65% of component B obtained above are added into th...

Embodiment 2

[0088] Embodiment 2 Preparation of asphalt modifier of the present invention

[0089] Prepare the raw materials of component A according to the following requirements: 2.08t polyethylene, 2.08t polypropylene, 0.69t methyl polyacrylamide resin, 0.14t glycerol. Grind the above raw materials into 6-8 mesh powders and put them into the mixer for 8 minutes, then put the mixed materials into the reaction kettle at 160°C, degrade and esterify for 180 minutes to obtain the component A.

[0090] Prepare the raw materials of component B according to the following requirements: 3.88t of pine tar, 1.29t of coumarone resin, 0.78t of modified phenolic resin, and 9.05t of rubber powder. Add the above-mentioned raw materials into a mixer and stir for 8 minutes, then add them into a degradation machine at 200°C, degrade and polymerize for 180 minutes to obtain the component B.

[0091]Add 25% of component A and 75% of component B prepared above into a banbury mixer together by weight ratio, s...

Embodiment 3

[0094] Embodiment 3 The preparation of asphalt modifier of the present invention

[0095] Prepare the raw materials of component A according to the following requirements: 2.88t polyethylene, 2.88t polypropylene, 0.96t methyl polyacrylamide resin, 0.29t glycerol. Crush the above-mentioned raw materials into 7-10mm particles, stir them together in a mixer for 3 minutes, then add them into a reaction kettle at 280°C, and degrade and esterify them for 60 minutes to obtain the component A.

[0096] Prepare the raw materials of component B according to the following requirements: pine tar 2.56t, coumarone resin 1.28t, modified phenolic resin 0.60t, rubber powder 5.56t. Add the above raw materials into the mixer and stir for 3 minutes, then add them into the reaction kettle at 340°C, degrade and polymerize for 60 minutes to obtain the component B.

[0097] Add 25% of the component A and 75% of the above-prepared components into the internal mixer together, and after banburying for ...

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Abstract

The invention belongs to the field of road material preparation, and particularly relates to a high polymer asphalt modifier and a preparation method and application thereof. The invention solves the technical problem of providing a novel asphalt modifier. The high polymer asphalt modifier is formed by polymerizing a component A and a component B and is a rubber and plastic composite high polymer material with high elasticity and high adhesive property. After the matrix asphalt is modified by the asphalt modifier disclosed by the invention, asphalt mineral materials do not need to be heated when being blended, and the materials can be blended, paved and ground at the temperature of -10 DEG C-60 DEG C. The blended mixture can be stored for a long time and is not limited by weather conditions, materials are not wasted, a large amount of oil, fuel, freight and labor cost can be saved, and the cost of pavement engineering is greatly reduced.

Description

technical field [0001] The invention belongs to the field of road pavement material preparation and can also be applied in the field of building materials. In particular, it relates to a polymer asphalt modifier and a preparation method and application thereof. Background technique [0002] The annual consumption of petrochemical products of polymer materials in my country is about 100 million tons (most of them are imported from abroad, and the price is high), and the consumption is large. At least 60% of polymer materials become waste after consumption, and the recycling rate is less than 10%. , 90% of black and white polymer material wastes pose a threat to the safety of water transportation and power generation in reservoir areas, and also cause serious harm to water resources and serious environmental pollution. At present, the world's treatment methods for polymer waste are: 1. Landfill. 2. Carry out incineration treatment. Landfill and incineration will not only pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L23/06C08L23/14C08L33/26C08L7/00C08L9/06C08L11/00C08L9/00C08L23/16C08L83/00C08L27/12C08L61/14C08L57/02C08K5/053C08K5/01C08K5/05B29B7/00
Inventor 邓志福陈春明
Owner SICHUAN XINGONGGU BUILDING MATERIALS TECH
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