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Auxiliary material for improving high temperature stability and aging resistance of colorful asphalt cement and application of auxiliary material

A technology of high-temperature stability and colored asphalt, which is applied in the direction of building insulation materials, building components, buildings, etc., to achieve the effects of improving performance and life, broadening the scope of application, and having a good application prospect

Active Publication Date: 2016-02-03
SHANDONG JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After searching, no patents or literatures have been reported on the auxiliary materials and their applications based on inorganic nanomaterials to enhance the high temperature stability and aging resistance of colored asphalt binders

Method used

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  • Auxiliary material for improving high temperature stability and aging resistance of colorful asphalt cement and application of auxiliary material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Using absolute ethanol as a solvent, add anatase-type nano-titanium dioxide (with a particle size of 5 to 10 nm) and a titanate coupling agent in a weight ratio of 100:1 (operating unit: kilogram) into absolute ethanol, Prepare a suspension solution, then ultrasonically disperse for 30 minutes, and then spin evaporate to remove ethanol. The powder is vacuum-dried at 60°C for 12 hours, ground and sieved to obtain the target excipient.

Embodiment 2

[0017] Using absolute ethanol as a solvent, add anatase-type nano-titanium dioxide (with a particle size of 5-10 nm) and a titanate coupling agent in a weight ratio of 100:2 (operating unit: kilogram) into absolute ethanol , made into a suspension solution, then ultrasonically dispersed for 30 minutes, and then the ethanol was removed by rotary evaporation, and the powder was vacuum-dried at 60°C for 12 hours, ground and sieved to obtain the target excipient.

Embodiment 3

[0019] Using absolute ethanol as a solvent, add anatase-type nano-titanium dioxide (with a particle size of 5 to 10 nm) and a titanate coupling agent in a weight ratio of 100:3 (operating unit: kilogram) into absolute ethanol, Prepare a suspension solution, then ultrasonically disperse for 30 minutes, and then spin evaporate to remove ethanol. The powder is vacuum-dried at 60°C for 12 hours, ground and sieved to obtain the target excipient.

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Abstract

The invention discloses an auxiliary material for improving high temperature stability and aging resistance of colorful asphalt cement and an application of the auxiliary material. The auxiliary material is prepared by mixing nano titanium dioxide and a coupling agent in a weight ratio of 100:(0.5-5). The invention further discloses an application of the auxiliary material in preparing the colorful asphalt cement with high temperature stability and aging resistance. Due to adoption of the auxiliary material, the use performance of the colorful asphalt cement is remarkably improved, the service life of the colorful asphalt cement is greatly prolonged, the application range of the colorful asphalt cement is further widened, pavement and modification of special colorful asphalt pavements in city bus lines, bicycle ways, shortcuts, squares and the like are facilitated, and a good application prospect can be achieved.

Description

technical field [0001] The invention relates to an auxiliary material for enhancing the high-temperature stability and aging resistance of colored asphalt binder and its application, which belongs to the technical field of road materials. Background technique [0002] Colored asphalt pavement refers to mixing colored asphalt binders, aggregates, pigments and additives at a specific temperature, and then paving and rolling to form a pavement with certain strength and use function. Colored asphalt pavement has the advantages of coordinating with the surrounding environment, beautifying the city, relieving driving fatigue, promoting driving safety, reducing road noise, and alleviating the "heat island effect". Using modern petrochemical products, colored asphalt binders comparable to petroleum asphalt can be artificially prepared, and a certain color can be made by adding certain pigments. Colored asphalt binder is the main component of colored asphalt, which is generally ligh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08K9/06C08K9/04C08K3/22
Inventor 唐新德韩念凤庞来学周德杰谭旭翔孔超曲恒辉
Owner SHANDONG JIAOTONG UNIV
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