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Chromatic bituminous binder and preparation method thereof

A technology of colored asphalt and binder, applied in building insulation materials, building components, buildings, etc., can solve problems such as environmental pollution, construction difficulties, unfavorable promotion and use, etc.

Inactive Publication Date: 2008-06-25
SHANGHAI QUNKANG ASPHALTUM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A notable defect disclosed in the above-mentioned patent is that it needs to be heated to an extremely high temperature during specific construction, which not only requires a large amount of energy consumption, but also pollutes the environment, makes construction difficult, and it is impossible to add too much proportion to the composition. Polymers that limit the high temperature stability of colored asphalt binders are not conducive to popularization and use. Therefore, it is very desirable to develop and research a new colored asphalt binder

Method used

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  • Chromatic bituminous binder and preparation method thereof
  • Chromatic bituminous binder and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1～6

[0018] Raw materials used:

[0019] Refined lubricating oil, viscosity at 40°C: 3.5Pa.S, flash point: 335°C, aromatic content: 68wt%, density at 15°C: 0.98g / cm3

[0020] Petroleum resin, produced by Korea Kolon Company, trade name: Hikotack P140, softening point 145°C, average molecular weight (GPC method) 2200

[0021] Polypropylene wax with a molecular weight of 3000-6000 and a softening point of 120-150°C

[0022] SBR, the grade produced by Qilu Petrochemical is 1502

[0023] Heat the extracted lubricating oil to 175°C, then add petroleum resin, polypropylene wax and SBR, and stir with a stirrer at a speed of 200 rpm for 60 minutes to prepare the finished colored asphalt binder. The specific composition ratio (percentage by weight), and the performance results of the binder and mixture tested by the testing method specified in the JTJ052-2000 standard "Testing Procedures for Asphalt and Asphalt Mixtures in Highway Engineering" of the Ministry of Communications of China ar...

Embodiment 4

[0030] The colored asphalt binder and aggregates are mixed into Marshall specimens and rutting specimens to form, among which the stones above 2.36mm are made of diabase, and the 2.36mm-0.075mm is made of quartzite gradation, and the following gradation is adopted:

[0031]

[0032]

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Abstract

The invention discloses a colorful asphalt binder. The component of the colorful asphalt binder of the invention calculated by weight percentage comprises 20-65 per cent of petroleum resin, 30-79 per cent of lubricant refined extract oil and 1-5 per cent of polypropylene wax. By pulling a little of polypropylene wax into conventional colorful asphalt binder, temperature of mixing, spreading and rolling of asphalt mixture can be greatly reduced and negative influence on final colorful asphalt pavement is not caused, which allows an easy construction. As the same time, the reduction of construction temperature and odor emitted by the binder is decreased, which are in favor of environment protection. As the same time, addition of SBR allows the colorful asphalt binder to be provided with better high-temperature stability.

Description

technical field [0001] The invention relates to an asphalt binder, in particular to a binder for colored asphalt. Background technique [0002] The mechanical properties and rheological properties of colored asphalt binder are the same as those of general road heavy traffic asphalt. The main principle of colored asphalt binder pavement is to use colored asphalt binder and add various pigments to make it have various At the same time, by using colored stones or light-colored stones, it can have a longer-lasting color effect. A good colored asphalt binder should meet the following three requirements: [0003] The performance of colored asphalt binder is good, and it should meet the requirements of heavy traffic asphalt or even modified asphalt; it has good anti-rutting performance and good water damage resistance. [0004] At present, there are many patents and documents disclosing their own colored asphalt binders, some of which have been industrialized, such as: the technol...

Claims

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Application Information

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IPC IPC(8): C08L95/00C08L57/02C08L23/12
Inventor 黄子章
Owner SHANGHAI QUNKANG ASPHALTUM TECH CO LTD
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