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Polymer aqueous asphalt colloid and preparation method thereof

A technology of polymer and asphalt, which is applied in the direction of building structure, building components, building insulation materials, etc., can solve the problem that the colloid cannot be used alone, achieve good emulsification effect, prolong the demulsification time, and reliable performance

Inactive Publication Date: 2018-06-15
江苏荣成路桥材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is only used in road maintenance, the colloid cannot be used alone

Method used

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  • Polymer aqueous asphalt colloid and preparation method thereof
  • Polymer aqueous asphalt colloid and preparation method thereof
  • Polymer aqueous asphalt colloid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Get 80 grams of clean water, add 15 grams of slow-cracking and quick-drying type RC-SMRHJ804 (commercially available) emulsifier in the water, add 60 grams of SBR latex, 5 grams of vinylpyrrolidone / vinyl acetate copolymer, polyethylene glycol fat After 7.5 g of the acid ester was stirred evenly, when the temperature reached 65° C., the stirring was continued and the temperature was maintained. Take 272.5 grams of AH-70# deep-sea asphalt A, heat it to 145°C, stir it evenly, then add it to a shearing machine and a colloid mill for grinding twice at a speed of 4900 rpm, and process for 5 minutes to obtain the polymer to be prepared. Water-based asphalt colloid. The test results (see Table 2) show that the various indicators are relatively ideal, the residual amount on the sieve is small, the storage stability is good, the softening point is high, the viscosity is good, and the aging performance is good.

Embodiment 2

[0052] Get 135 grams of clean water, add 7.5 grams of polyoxyethylene alkyl quaternary ammonium salt emulsifier, 1.5 grams of sodium methylene bis-naphthalene sulfonate, 10 grams of graft copolymers of polyorganosiloxane and polyols in the water Stabilizer, stir well and heat to 65°C, then add 30 grams of acrylonitrile-butadiene-styrene resin copolymer latex, mix well, keep warm for later use, and take 310 grams of deep-sea bitumen C, heat to 145°C, heat After uniformity, enter the colloid mill for grinding together with the prepared solution at the same time, and the speed is 4900 rpm. After shearing and grinding for 5 minutes, the qualified polymer water-based asphalt colloid was obtained. The analysis results show (see Table 3), the viscosity of the colloid, the remaining amount on the sieve, and the evaporation residue content reach the specified standards, the storage stability is only 0.06 in 24 hours, the low temperature storage stability has no particles, no agglomerat...

Embodiment 3

[0055] Take 155 grams of clean water, add 9 grams of RC-CO5 emulsifier, 6 grams of vinylpyrrolidone homopolymer film-forming agent, and 10 grams of Sasobid stabilizer, stir well, heat to 65°C, and then add 5 grams SBS latex copolymer, continue to stir the mixture to maintain the temperature evenly for use, and take 305 grams of deep-sea AH-100# asphalt, and heat it to 145°C. After being heated evenly, slowly add it into the prepared solution and stir evenly, then shear and grind for 5 minutes in a shearing machine and a colloid mill at a speed of 3900 rpm to obtain qualified asphalt colloid (see Table 3 for its properties). The colloid has high viscosity, good stability, no coarse particles and agglomerates in low temperature storage, high softening point, strong viscosity and toughness, which is conducive to the maintenance of micro-surfaces. The original roadbed of Qianrong Line in Wuxi City is still good, but the road surface is damaged, cracked, and pitted Groove, use the ...

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Abstract

The invention relates to a polymer aqueous asphalt colloid and a preparation method thereof, wherein the polymer aqueous asphalt colloid comprises, by weight, 4.5-15 parts of a modified polymer, 0.5-1.5 parts of a film forming agent, 0.5-2.0 parts of a stabilizer, 35-55 parts of deep sea asphalt, 1.0-2.5 parts of an emulsifier, and 25-56 parts of water, and mixing, emulsifying, shearing and colloid milling are performed to obtain the polymer aqueous asphalt colloid. According to the present invention, the polymer aqueous asphalt colloid has advantages of simple and reliable preparation, excellent performance, good film forming property, excellent high-temperature resistance and excellent low-temperature resistance, can significantly improve the water resistance, the slip resistance, the flatness and the wear resistance of pavement, and can be widely used in the micro-surface positions of urban and rural traffic heavy-duty high-grade pavements, or the sealing layer cover surfaces of newroads, and the like.

Description

technical field [0001] The invention belongs to the field of asphalt colloids for road pavement, in particular to a polymer water-based asphalt colloid (hereinafter referred to as asphalt colloid) and a preparation method thereof. Background technique [0002] There has been a long history of using petroleum asphalt for road construction. People use heating to make asphalt that is solid at room temperature into a liquid state in order to mix it with mineral materials. However, hot asphalt construction has many disadvantages, not only requires a lot of heat energy, but also pollutes environment and endanger human health. With the development of science and technology, the technology of using asphalt in cold state-emulsified asphalt micro-surfacing technology has emerged. The so-called micro-surfacing is to prepare the material that is liquid at normal temperature, and then mix it with the selected mineral materials through special equipment-micro-surfacing paver to form a sl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L9/08C08L39/06C08L71/02C08L55/02C08L83/04C08L53/02C08L9/10C08L23/12C08L23/08
Inventor 钦兰成钦政钦祥龙
Owner 江苏荣成路桥材料有限公司
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