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Two-component asphalt anti-stripping agent and preparation method thereof

An anti-stripping agent, two-component technology, applied in building components, building insulation materials, buildings, etc., can solve problems such as poor thermal stability, poor adhesion between aggregates and asphalt, easy surface peeling of asphalt, etc., to improve stability , enhanced adhesion, excellent anti-peeling performance

Pending Publication Date: 2020-11-06
江苏中丽新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem mainly solved by the present invention is to provide a two-component asphalt anti-stripping agent and its preparation for the defects of poor thermal stability, poor adhesion between aggregate and asphalt, and easy surface peeling of asphalt in some existing commonly used anti-stripping agents. method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] In parts by weight, 40 parts of boiler ash, 30 parts of white carbon black, 18 parts of waste ceramics, 10 parts of muscovite, 2 parts of sulfonated lignin, 3 parts of rosin resin, 1 part of simethicone, 0.5 parts of 1 part of dioctyl phthalate and 1 part of polyoxyethylene sorbitan monooleate, first add boiler ash, white carbon black, waste ceramics and muscovite to the pulverizer in order to pulverize, pass through a 60-mesh sieve, To obtain mixed powder; according to the mass ratio of 1:70:100, mix silane coupling agent, water and absolute ethanol to obtain a mixed solution, spray the mixed solution on the mixed powder, the spraying amount is 5% of the mixed powder, and stir after spraying Mix evenly, put it in an oven, and dry it at 60°C to get the mixed powder after surface treatment, and then add rosin resin, dimethyl silicone oil, dioctyl phthalate and polyoxyethylene sorrel Alcohol monooleate mixed, heated to 50°C, stirred and mixed at 500r / min for 20min, after ...

example 2

[0030] In parts by weight, 50 parts of boiler ash, 35 parts of white carbon black, 20 parts of waste ceramics, 15 parts of muscovite, 4 parts of sulfonated lignin, 5 parts of terpene resin, 3 parts of simethicone, 0.8 parts of dioctyl phthalate and 3 parts of coconut oil fatty acid monoethanolamide, first add boiler ash, white carbon black, waste ceramics and muscovite into the pulverizer in order to pulverize, and pass through a 80-mesh sieve to obtain a mixed powder; According to the mass ratio of 1:70:100, mix the silane coupling agent, water and absolute ethanol to obtain a mixed solution, spray the mixed solution on the mixed powder, the spraying amount is 10% of the mixed powder, stir and mix evenly after spraying, and Put it in an oven and dry it at 80°C to get the surface-treated mixed powder, then mix terpene resin, dimethyl silicone oil, dioctyl phthalate and coconut oil fatty acid monoethanolamide, and heat Stir and mix at 70°C for 30 minutes at a speed of 700r / min....

example 3

[0032]In terms of parts by weight, select 40 parts of boiler ash, 30 parts of white carbon black, 18 parts of waste ceramics, 10 parts of muscovite, 2 parts of sulfonated lignin, 3 parts of coumarone resin, and 1 part of simethicone , 0.5 part of dioctyl phthalate and 1 part of fatty alcohol polyoxyethylene ether sodium sulfate, first add boiler ash, white carbon black, waste ceramics and muscovite into the pulverizer successively to pulverize, and pass through a 60-mesh sieve to obtain Mix powder; mix coumarone resin, simethicone, dioctyl phthalate and fatty alcohol polyoxyethylene ether sodium sulfate, heat to 50°C, stir and mix at a speed of 500r / min for 20min, add the mixture after stirring Powder and sulfonated lignin are stirred and mixed to obtain Component A; in parts by weight, 10 parts of hexamethyldisiloxane, 15 parts of tetramethyldivinylsiloxane, 60 parts of ethyl orthosilicate ester, 6 parts of ethyl acetate, 10 parts of water and 5 parts of 10% hydrochloric acid...

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Abstract

The invention belongs to the technical field of preparation of asphalt additives, and particularly relates to a two-component asphalt anti-stripping agent and a preparation method thereof. The preparation method comprises the following steps: mixing boiler ash, white carbon black, waste ceramic and other substances to obtain a component A; reacting hexamethyldisiloxane, tetramethyldivinylsiloxane,tetraethoxysilane and other substances to prepare a component B. When the two-component asphalt anti-stripping agent is used, the component A and the component B are mixed according to the mass ratioand then added into asphalt, the prepared two-component asphalt anti-stripping agent has good anti-stripping performance, the adhesion between the asphalt and aggregate is high, the heat-resistant stability is good, the water damage phenomenon of an asphalt pavement can be effectively reduced, and the service life of a road is prolonged.

Description

technical field [0001] The invention belongs to the technical field of asphalt additive preparation, and in particular relates to a two-component asphalt anti-stripping agent and a preparation method thereof. Background technique [0002] The existing expressway is often caused by early water damage due to insufficient water stability of asphalt concrete, and the road surface will appear potholes and looseness after 2 to 3 years of use. Water damage, like ruts and cracks, has become the main damage factor of asphalt pavement. The water damage mechanism of asphalt pavement is that the asphalt film peels off from the surface of the aggregate, and its development process is as follows: ① Moisture enters the aggregate interface and exists in the form of water film or water vapor, which affects the adhesion between asphalt and aggregate ; ②Under repeated loads, the asphalt film gradually peeled off from the surface of the aggregate; ③With the further intrusion of water, the aggr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L83/04C08L97/00C08L93/04C08K13/08C08K9/06C08K11/00C08K7/26C08K3/34
CPCC08L95/00C08L2205/03C08L83/04C08L97/005C08L93/04C08K13/08C08K9/06C08K11/005C08K7/26C08K3/34
Inventor 胡浩
Owner 江苏中丽新材料有限公司
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