CN101550277A - Liquid SBS modified emulsified asphalt and preparation method thereof - Google Patents
Liquid SBS modified emulsified asphalt and preparation method thereof Download PDFInfo
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- CN101550277A CN101550277A CNA2009100278340A CN200910027834A CN101550277A CN 101550277 A CN101550277 A CN 101550277A CN A2009100278340 A CNA2009100278340 A CN A2009100278340A CN 200910027834 A CN200910027834 A CN 200910027834A CN 101550277 A CN101550277 A CN 101550277A
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Abstract
The invention discloses a liquid SBS modified emulsified asphalt used for road construction and maintenance project and a preparation method thereof. The asphalt comprises the following components by weight percentage: 60 percent to 70 percent of matrix asphalt, 25 percent to 35 percent of water, 2 percent to 3 percent of composite emulsifier and 0.01 percent to 0.05 percent of stabilizer; a liquid SBS modifier accounts for 3 percent to 5 percent of the weight of matrix asphalt; the liquid SBS modifier, the composite emulsifier and the stabilizer are added into water simultaneously, and the obtained mixture is stirred and heated to 60 to 65 DEG C simultaneously to prepare mixed aqueous solution of the liquid SBS modifier and the composite emulsifier; and the mixed aqueous solution is delivered by an aqueous solution pump; the matrix asphalt is heated to 135 to 140 DEG C and delivered by an asphalt pump; the aqueous solution pump and the asphalt pump deliver the mixed aqueous solution and the matrix asphalt to a colloid mill simultaneously; and the liquid SBS modified emulsified asphalt can be obtained after the cutting and grinding of the colloid mill. According to different asphalts, the invention improves various performances of the asphalt by combining corresponding composite emulsifier and reasonably matching the liquid SBS modifier; and the modification and the emulsifying of the asphalt are finished synchronously, thus simplifying the technique process.
Description
Technical field
The present invention relates to the modified emulsifying asphalt that road construction and maintenance project are used, relate in particular to emulsified bitumen that adopts styrene-butadiene-styrene block copolymer (hereinafter to be referred as SBS) properties-correcting agent and preparation method thereof.
Background technology
Emulsified bitumen is meant pitch heat is melted, and is scattered in the aqueous solution that contains emulsifying agent and stablizer with tiny micro-droplet status through mechanical effect.Modified emulsifying asphalt is meant in making the process of emulsified bitumen and adds properties-correcting agent, or polymer latex is mixed with the emulsified bitumen finished product, or polymer modified asphalt is carried out emulsification, under certain process conditions, is prepared into stable pitch mixing solutions.
Modified emulsifying asphalt mainly is made up of matrix pitch, water, emulsifying agent, stablizer and properties-correcting agent, at present, because SBS improves significantly to bituminous high and low temperature performance, therefore, is used widely in road construction and maintenance project as the emulsified bitumen of properties-correcting agent with SBS.The volume of properties-correcting agent and emulsifiers formula are the keys that influences the different pitches quality, emulsifiers formula should increase bituminous emulsification usefulness, can improve asphalt performance with the ratio of properties-correcting agent is suitable again, at present, the general emulsifying agent that adopts single variety, the emulsification inefficiency.
Because SBS is the macromolecular thermoplastic material, at present, it is the SBS modifying asphalt with the matrix pitch processing earlier that the method for preparing modified emulsifying asphalt all adopts, and then the SBS modifying asphalt carried out emulsification production, divide the two procedures preparation, such complicated process of preparation to having relatively high expectations of production unit, influences asphalt performance.
Summary of the invention
The objective of the invention is provides a kind of well behaved liquid SBS modified emulsified asphalt for overcoming the deficiency of liquid SBS modified emulsified asphalt composition proportion in the prior art.
Another object of the present invention provides the preparation method of simple, the economical and practical liquid SBS modified emulsified asphalt of a kind of technology.
The prescription of modified emulsifying asphalt of the present invention is: be made up of matrix pitch, water, compound emulsifying agent, stablizer and liquid SBS modified dose, the percentage composition that each component weight accounts for gross weight is: matrix pitch 60-70%; Water 25-35%; Compound emulsifying agent 2-3%; Stablizer 0.01-0.05%; Liquid SBS modified dose of 3-5% that accounts for matrix pitch weight;
Be used for splitting soon or splitting type and spray and to use modified emulsifying asphalt, its compound emulsifying agent is by three kinds on 1381 types, JL-C01 type and JY-R2 type emulsifying agent composite composition;
Be used for splitting slowly type and mix and stir and use modified emulsifying asphalt, its compound emulsifying agent is by three kinds on XTL2000-1 type, JY-R5 type and MQK-1M type emulsifying agent composite composition.
The preparation method of modified emulsifying asphalt of the present invention is as follows:
1) liquid SBS modified dose, compound emulsifying agent and stablizer are added in the entry simultaneously, heat while stirring, make liquid SBS modified dose with the mixed aqueous solution of compound emulsifying agent and by aqueous solution pump delivery to 60-65 ℃;
2) matrix pitch is heated to 135-140 ℃ and carry by bitumenpump;
3) water-soluble liquid pump and bitumenpump are carried simultaneously to colloidal mill, the cutting and grinding of process colloidal mill gets final product.
The invention has the beneficial effects as follows:
1, the present invention is according to different pitch, by liquid SBS modified dose of the composite compound emulsifying agent that adapts and rational Match, improved the every performance of bituminous.
2, asphalt modification and asphalt emulsification are finished synchronously, have been simplified technological process,
Embodiment
The present invention is made up of matrix pitch, water, emulsifying agent, stablizer and liquid SBS modified dose, and the percentage composition that each component weight accounts for gross weight is respectively: matrix pitch 60-70%; Water 25-35%; Compound emulsifying agent 2-3%; Stablizer 0.01-0.05%; Liquid SBS modified dose of 3-5% that accounts for matrix pitch.Spray when using liquid SBS modified emulsified asphalt when being used for splitting soon or split type, compound emulsifying agent is by three kinds on 1381 types, JL-C01 type and JY-R2 type emulsifying agent composite composition, and these three kinds of emulsifying agent weight respectively account for the 20-50% of whole compound emulsifying agent weight.Wherein 1381 type emulsifying agent effluents south Hua County Yu Bei auxiliary chemicals limited liability company produces, and sky, Luohe, JL-C01 type emulsifying agent effluent south dragon chemical industry company limited produces, and Jinyang chemical industry company limited produced during JY-R2 type emulsifying agent was raised by Jiangsu.Mix and stir when using modified emulsifying asphalt when being used for splitting slowly type, compound emulsifying agent is by three kinds on XTL2000-1 type, JY-R5 type and MQK-1M type emulsifying agent composite composition, and these three kinds of emulsifying agent weight respectively account for the 20-50% of compound emulsifying agent weight.Wherein dragon chemical industry company limited in sky, Luohe, XTL2000-1 type emulsifying agent effluent south produces, and Jinyang chemical industry company limited produced during JY-R5 type emulsifying agent was raised by Jiangsu, and MQK-1M type emulsifying agent is produced by the real big gram in U.S. Devi company.
Aforesaid liquid SBS properties-correcting agent, compound emulsifying agent and stablizer are added in the entry simultaneously, heat while stirring, make liquid SBS modified dose with the mixed aqueous solution of emulsifying agent and by aqueous solution pump delivery to 60-65 ℃; Simultaneously, matrix pitch is heated to 135-140 ℃ and carry by bitumenpump.Water-soluble liquid pump and bitumenpump are carried to processing units colloidal mill commonly used simultaneously, and the cutting and grinding through colloidal mill makes liquid SBS modified emulsified asphalt.
Below further specify the present invention by 4 embodiment.
Embodiment 1
Preparation is used for splitting soon or splitting type sprinkling modified emulsifying asphalt.To above-mentioned each company's outsourcing 1381 type, JL-C01 type and three kinds of emulsifying agents of JY-R2 type, and get the compound emulsifying agent of the composite composition of the JY-R2 type emulsifying agent 20g of the JL-C01 type emulsifying agent of 1381 type emulsifying agents, 10g of 4g and 6g.The matrix pitch, 250g water, 0.1g stablizer and the 18g that get compound emulsifying agent, the 600g of this 20g are raw material for liquid SBS modified dose, add raw material liq SBS properties-correcting agent, compound emulsifying agent and stablizer in the entry simultaneously, heat while stirring to 60 ℃, make liquid SBS modified dose with the aqueous solution of compound emulsifying agent and by aqueous solution pump delivery; Simultaneously matrix pitch is heated to 135 ℃ and carry by bitumenpump, water-soluble liquid pump and bitumenpump are carried to the outsourcing device colloidal mill simultaneously, cutting and grinding through colloidal mill makes liquid SBS modified emulsified asphalt, after testing every performance index of this liquid SBS modified emulsified asphalt such as following table:
Embodiment 2
Preparation is used for splitting soon or splitting type sprinkling modified emulsifying asphalt.To above-mentioned each company's outsourcing 1381 type, JL-C01 type and three kinds of emulsifying agents of JY-R2 type, and get the compound emulsifying agent of the composite composition of the JY-R2 type emulsifying agent 22g of the JL-C01 type emulsifying agent of 1381 type emulsifying agents, 6g of 6g and 10g.Get liquid SBS modified dose of the matrix pitch, 350g water, 0.5g stablizer of compound emulsifying agent, the 700g of this 22g and 35g as raw material, add raw material liq SBS properties-correcting agent, compound emulsifying agent and stablizer in the entry simultaneously, heat while stirring to 65 ℃, make liquid SBS modified dose with the mixed aqueous solution of compound emulsifying agent and by aqueous solution pump delivery; Simultaneously matrix pitch is heated to 140 ℃ and by the bitumenpump conveying, this water-soluble liquid pump and bitumenpump are carried to the outsourcing device colloidal mill simultaneously, the cutting and grinding through colloidal mill makes liquid SBS modified emulsified asphalt.Every performance index of this liquid SBS modified emulsified asphalt such as following table after testing:
Embodiment 3
Preparation is used for splitting slowly type and mixes and stirs and use modified emulsifying asphalt.To above-mentioned each the outsourcing XTL2000-1 of company type, JY-R5 type and three kinds of emulsifying agents of MQK-1M type, and get the compound emulsifying agent of the composite composition of the MQK-1M type emulsifying agent 25g of the J-R5 type emulsifying agent of XTL2000-1 type emulsifying agent, 8g of 10g and 7g.The matrix pitch, 300g water, 0.3g stablizer and the 26g that get compound emulsifying agent, the 650g of this 25g are raw material for liquid SBS modified dose, add raw material liq SBS properties-correcting agent, compound emulsifying agent and stablizer in the entry simultaneously, heat while stirring to 63 ℃, make liquid SBS modified dose with the aqueous solution of compound emulsifying agent and by aqueous solution pump delivery, simultaneously matrix pitch is heated to 138 ℃ and carry by bitumenpump, above-mentioned water-soluble liquid pump and bitumenpump are carried to the outsourcing device colloidal mill simultaneously, cutting and grinding through colloidal mill makes liquid SBS modified emulsified asphalt.Every performance index of this liquid SBS modified emulsified asphalt such as following table after testing:
Embodiment 4
Preparation is used for splitting slowly type and mixes and stirs and use modified emulsifying asphalt.To above-mentioned each the outsourcing XTL2000-1 of company type, JY-R5 type and three kinds of emulsifying agents of MQK-1M type, and get the compound emulsifying agent of the composite composition of the MQK-1M type emulsifying agent 30g of the JY-R5 type emulsifying agent of XTL2000-1 type emulsifying agent, 10g of 10g and 10g.The matrix pitch, 300g water, 0.3g stablizer and the 28g that get compound emulsifying agent, the 700g of this 30g are raw material for liquid SBS modified dose, add raw material liq SBS properties-correcting agent, compound emulsifying agent and stablizer in the entry simultaneously, heat while stirring to 63 ℃, make liquid SBS modified dose with the aqueous solution of compound emulsifying agent and by aqueous solution pump delivery; Simultaneously matrix pitch is heated to 138 ℃ and by the bitumenpump conveying, above-mentioned water-soluble liquid pump and bitumenpump are carried to the outsourcing device colloidal mill simultaneously, the cutting and grinding through colloidal mill makes liquid SBS modified emulsified asphalt.Every performance index of this liquid SBS modified emulsified asphalt such as following table after testing:
Claims (3)
1, a kind of liquid SBS modified emulsified asphalt is characterized in that: be made up of matrix pitch, water, compound emulsifying agent, stablizer and liquid SBS modified dose, the percentage composition that each component weight accounts for gross weight is:
Matrix pitch 60-70%;
Water 25-35%;
Compound emulsifying agent 2-3%;
Stablizer 0.01-0.05%;
Liquid SBS modified dose of 3-5% that accounts for matrix pitch weight;
Being used for splitting soon or split type sprayed with the compound emulsifying agent of modified emulsifying asphalt by three kinds on 1381 types, JL-C01 type and JY-R2 type emulsifying agent composite composition;
Being used for splitting slowly type mixed and stirred with the compound emulsifying agent of modified emulsifying asphalt by three kinds on XTL2000-1 type, JY-R5 type and MQK-1M type emulsifying agent composite composition.
2, according to claims 1 described a kind of liquid SBS modified emulsified asphalt, it is characterized in that: 1381 types, JL-C01 type and three kinds of emulsifying agent weight of JY-R2 type respectively account for the 20-50% of compound emulsifying agent weight; XTL2000-1 type, JY-R5 type and three kinds of emulsifying agent weight of MQK-1M type respectively account for the 20-50% of compound emulsifying agent weight.
3, a kind of method for preparing claims 1 is characterized in that adopting following steps:
1) liquid SBS modified dose, compound emulsifying agent and stablizer are added in the entry simultaneously, heat while stirring, make liquid SBS modified dose with the mixed aqueous solution of compound emulsifying agent and by aqueous solution pump delivery to 60-65 ℃;
2) matrix pitch is heated to 135-140 ℃ and carry by bitumenpump;
3) water-soluble liquid pump and bitumenpump are carried simultaneously to colloidal mill, the cutting and grinding of process colloidal mill gets final product.
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| CNA2009100278340A CN101550277A (en) | 2009-05-15 | 2009-05-15 | Liquid SBS modified emulsified asphalt and preparation method thereof |
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| CNA2009100278340A CN101550277A (en) | 2009-05-15 | 2009-05-15 | Liquid SBS modified emulsified asphalt and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382479A (en) * | 2010-08-27 | 2012-03-21 | 安徽三缔沥青材料有限公司 | Star-shaped modified emulsified asphalt and preparation method of same |
| CN101735625B (en) * | 2009-12-25 | 2012-07-18 | 李国涛 | Special modified cold-mixing asphalt for cold-region normal-temperature mixing-type asphalt concrete |
| CN102775801A (en) * | 2012-08-21 | 2012-11-14 | 上海威宇公路技术股份有限公司 | Modified asphalt production method and system |
| CN102863804A (en) * | 2011-07-04 | 2013-01-09 | 中国石油化工股份有限公司 | SBS polymer modified emulsified asphalt and preparation method |
| CN103408952A (en) * | 2013-07-26 | 2013-11-27 | 合肥工业大学 | Warmly-mixed modified emulsified asphalt as well as preparation method and application thereof |
| CN104448865A (en) * | 2014-12-12 | 2015-03-25 | 山东大山路桥工程有限公司 | Foaming modified asphalt composition and preparation method thereof |
| CN105907020A (en) * | 2016-04-21 | 2016-08-31 | 天津市公路工程总公司 | Wheel sticking prevention modified emulsified asphalt and preparation method thereof |
| CN106810882A (en) * | 2015-12-02 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of emulsified asphalt and preparation method thereof |
| CN106810127A (en) * | 2015-12-02 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of Emulsified Asphalt Mixture and its preparation method and application |
| CN108517128A (en) * | 2018-05-17 | 2018-09-11 | 武汉科技大学 | A kind of liquid SBS modified pitch and preparation method thereof |
| CN108841185A (en) * | 2018-05-28 | 2018-11-20 | 南通福伦利新材料有限公司 | A kind of SBS modified emulsifying asphalt and preparation method thereof |
| CN111793369A (en) * | 2020-08-03 | 2020-10-20 | 山东京博石油化工有限公司 | Spraying SBS modified emulsified asphalt and preparation method thereof |
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2009
- 2009-05-15 CN CNA2009100278340A patent/CN101550277A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735625B (en) * | 2009-12-25 | 2012-07-18 | 李国涛 | Special modified cold-mixing asphalt for cold-region normal-temperature mixing-type asphalt concrete |
| CN102382479A (en) * | 2010-08-27 | 2012-03-21 | 安徽三缔沥青材料有限公司 | Star-shaped modified emulsified asphalt and preparation method of same |
| CN102863804A (en) * | 2011-07-04 | 2013-01-09 | 中国石油化工股份有限公司 | SBS polymer modified emulsified asphalt and preparation method |
| CN102863804B (en) * | 2011-07-04 | 2015-03-25 | 中国石油化工股份有限公司 | SBS polymer modified emulsified asphalt and preparation method |
| CN102775801A (en) * | 2012-08-21 | 2012-11-14 | 上海威宇公路技术股份有限公司 | Modified asphalt production method and system |
| CN103408952A (en) * | 2013-07-26 | 2013-11-27 | 合肥工业大学 | Warmly-mixed modified emulsified asphalt as well as preparation method and application thereof |
| CN104448865B (en) * | 2014-12-12 | 2016-12-07 | 山东大山路桥工程有限公司 | A kind of foaming modification bituminous composition and preparation method thereof |
| CN104448865A (en) * | 2014-12-12 | 2015-03-25 | 山东大山路桥工程有限公司 | Foaming modified asphalt composition and preparation method thereof |
| CN106810882A (en) * | 2015-12-02 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of emulsified asphalt and preparation method thereof |
| CN106810127A (en) * | 2015-12-02 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of Emulsified Asphalt Mixture and its preparation method and application |
| CN106810882B (en) * | 2015-12-02 | 2019-06-04 | 中国石油化工股份有限公司 | A kind of emulsified asphalt and preparation method thereof |
| CN106810127B (en) * | 2015-12-02 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of Emulsified Asphalt Mixture and its preparation method and application |
| CN105907020A (en) * | 2016-04-21 | 2016-08-31 | 天津市公路工程总公司 | Wheel sticking prevention modified emulsified asphalt and preparation method thereof |
| CN105907020B (en) * | 2016-04-21 | 2018-10-26 | 天津市公路工程总公司 | Not viscous wheel modified emulsifying asphalt and preparation method thereof |
| CN108517128A (en) * | 2018-05-17 | 2018-09-11 | 武汉科技大学 | A kind of liquid SBS modified pitch and preparation method thereof |
| CN108517128B (en) * | 2018-05-17 | 2020-12-01 | 武汉科技大学 | Liquid SBS modified asphalt and preparation method thereof |
| CN108841185A (en) * | 2018-05-28 | 2018-11-20 | 南通福伦利新材料有限公司 | A kind of SBS modified emulsifying asphalt and preparation method thereof |
| CN111793369A (en) * | 2020-08-03 | 2020-10-20 | 山东京博石油化工有限公司 | Spraying SBS modified emulsified asphalt and preparation method thereof |
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Open date: 20091007 |