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A kind of composite asphalt warm mixing viscosity reducer and preparation method thereof

A kind of viscosity reducer and composite technology, which can be used in building thermal insulation materials, building components, climate change adaptation and other directions, can solve problems such as environmental pollution and increase in polluting gas emissions, and achieve good high temperature performance overcoming environmental pollution, reducing emissions Effect

Active Publication Date: 2016-01-20
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, the Chinese patent with the publication number CN101445338A and the invention name "A Preparation Method for Warm-mix Anti-skid and Noise-Reducing Asphalt Pavement Material", warm-mix modified asphalt is composed of modified asphalt, C-type modifier, sulfur, and diatomaceous earth , but the addition of sulfur increases the emission of polluting gases during the asphalt mixing process, causing pollution to the environment

Method used

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  • A kind of composite asphalt warm mixing viscosity reducer and preparation method thereof
  • A kind of composite asphalt warm mixing viscosity reducer and preparation method thereof
  • A kind of composite asphalt warm mixing viscosity reducer and preparation method thereof

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Effect test

Embodiment 1

[0026] Taking the preparation of 1000g composite asphalt warm-mix viscosity reducer as an example, the raw materials used and their mass ratios are as follows:

[0027]

[0028] The preparation method of the above composite asphalt warm-mix viscosity reducer is as follows: 150g aromatic oil, 150g naphthenic oil, 84g Dispero700 isomerized mixed alcohol polyoxyethylene ether, 83g aliphatic polyoxyethylene ether and its derivative T-30, 83g Mix the new ethoxylated hydride, heat to 110-120°C, stir evenly, then add 450g of oleic acid amide, after it is completely melted, heat up to 130-140°C, and cut it with a high-speed shear for 10 minutes to obtain a compound type Warm mix viscosity reducer for asphalt.

Embodiment 2

[0030] Taking the preparation of 1000g composite asphalt warm-mix viscosity reducer as an example, the raw materials used and their mass ratios are as follows:

[0031]

[0032] Its preparation method is identical with embodiment 1.

Embodiment 3

[0034] Taking the preparation of 1000g composite asphalt warm-mix viscosity reducer as an example, the raw materials used and their mass ratios are as follows:

[0035]

[0036] Its preparation method is identical with embodiment 1.

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Abstract

The invention discloses a compound asphalt warm-mixed viscosity reducer and a preparation method thereof. The warm-mixed viscosity reducer comprises, by mass, 20%-50% of a solubilizer, 30%-60% of aliphatic amide lubricant and 15%-50% of a surfactant. The preparation method comprises the steps of mixing the solubilizer and the surfactant; heating to a temperature of 110-120 DEG C; stirring uniformly; adding the aliphatic amide lubricant; heating to a temperature of 130-140 DEG C after the aliphatic amide lubricant is thoroughly melted; and shearing for 5-10 minutes at a high speed. The compound asphalt warm-mixed viscosity reducer can reduce high-temperature viscosity of matrix asphalt and effectively reduce mixing and compacting temperature of a mixture, so that emission of harmful gases can be reduced; the problems of severe environmental pollution and large energy consumption are overcome; ageing of the asphalt is alleviated; and a good improvement effect for high temperature properties of matrix asphalt can be achieved.

Description

technical field [0001] The invention belongs to the technical field of road materials, and in particular relates to a composite asphalt warm-mix viscosity reducer and a preparation method thereof. Background technique [0002] Compared with traditional hot mix asphalt mixture, warm mix asphalt can effectively reduce the aging of asphalt mixture, extend the service life of asphalt mixture, and reduce energy consumption because the mixing temperature is between 120 and 150°C , prolong the construction season, shorten the opening time, reduce the inconvenience caused by road construction, and at the same time greatly reduce the emission of harmful gases. The lower the mixing temperature, the less the smoke emission, which greatly reduces the impact on the health of construction workers. [0003] At present, the relatively mature warm mixing technologies at home and abroad include: (1) Synthetic zeolite warm mixing additives, which, as a kind of aluminosilicate ore, can continuo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L95/00C08K5/20C08K5/01
CPCY02A30/30
Inventor 陈亚芍王晓娟陈团结韩莉君杨杰李永翔向豪
Owner SHAANXI NORMAL UNIV
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