CN104087003A - SBR (Styrene Butadiene Rubber)-modified emulsified asphalt - Google Patents
SBR (Styrene Butadiene Rubber)-modified emulsified asphalt Download PDFInfo
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- CN104087003A CN104087003A CN201410292832.5A CN201410292832A CN104087003A CN 104087003 A CN104087003 A CN 104087003A CN 201410292832 A CN201410292832 A CN 201410292832A CN 104087003 A CN104087003 A CN 104087003A
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Abstract
The invention relates to an SBR-modified emulsified asphalt and a preparation method thereof. The SBR-modified emulsified asphalt comprises the following substances in parts by weight: 40-50 parts of asphalt, 1.5-2 parts of penetrating agents, 2-3 parts of diluting agent, 3-5 parts of negative ion asphalt emulsifying agents, 0.1-0.2 part of polyvinyl alcohol or calcium chloride, 3-5 parts of negative ion SBR latices, 50-53 parts of water, 1-3 parts of ethylene, 0.01-0.05 part of hydroxymethyl cellulose and 0.1-0.5 part of lignosulphonate, wherein the mass concentration of the negative ion SBR latex is 40%-60%. The modified emulsified asphalt prepared through the reasonable proportion of the raw materials and a preparation method has the advantage that the bonding capacity of the modified emulsified asphalt is enhanced, thereby improving the pavement performance of a micro-surfacing mixed material and prolonging the service life of the micro-surfacing mixed material.
Description
Technical field
The present invention relates to a kind of SBR modified emulsifying asphalt, belong to field of bitumen technology.
Background technology
Report investigation and analysis u s. state is layer applicable cases and condition of construction thoroughly, has no about being applicable to the priming oil of cement stabilized base course and describes.Because the easy volatile solvent such as kerosene, diesel oil in fluxed asphalt causes not little pollution to surrounding enviroment, present stage, China's overwhelming majority provinces and cities adopted emulsified bitumen as priming oil.Because general emulsified bitumen perviousness is poor, be difficult to meet the requirement of depth of penetration.Road worker develops the good SBR modified emulsifying asphalt of a kind of perviousness for this difficult problem.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of SBR modified emulsifying asphalt, has frost resistance, without modified emulsifying asphalt of the advantages such as bleeding, snappiness and cohesiveness are good and preparation method thereof.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of SBR modified emulsifying asphalt, the material that comprises following weight part: 40～50 parts of pitches, 1.5～2 parts of permeate agents, 2～3 parts of thinners, 3～5 parts of anionic asphalt emulsions, polyvinyl alcohol or 0.1～0.2 part, calcium chloride, 3～5 parts, negatively charged ion SBR latex, 50～53 parts, water, 1～3 part of ethanol, 0.01～0.05 part of Walocel MT 20.000PV, 0.1～0.5 part of sulfonated lignin, the mass concentration of wherein said negatively charged ion SBR latex is 40%～60%.
On the basis of technique scheme, the present invention can also do following improvement.
Further, a kind of SBR modified emulsifying asphalt of the present invention comprises the material of following weight part: 45 parts of pitches, 1.8 parts of permeate agents, 2.5 parts of thinners, 4 parts of anionic asphalt emulsions, polyvinyl alcohol or 0.15 part, calcium chloride, 4 parts, negatively charged ion SBR latex, 52 parts, water, 2 parts of ethanol, 0.03 part of Walocel MT 20.000PV, 0.3 part of sulfonated lignin.
Further, the pitch of a kind of SBR modified emulsifying asphalt of the present invention is preferably a kind of in No. 70 heavy traffic paving asphalts, No. 90 heavy traffic paving asphalts, No. 100 ordinary road pitch, No. 10 building asphalts or coal-based pitch.
Further, described in a kind of SBR modified emulsifying asphalt of the present invention, cation asphalt emulgent is preferably mixed according to 1:1.5:2:1 by octadecyl dimethyl hydroxyethyl ammonium chloride, tetradecyl amide group polyamines, cetyl trimethylammonium bromide, palmityl trimethyl ammonium chloride.
The present invention also provides a kind of preparation method of SBR modified emulsifying asphalt, comprises the following steps:
Permeate agent, anionic asphalt emulsion, polyvinyl alcohol, negatively charged ion SBR latex, water, ethanol, Walocel MT 20.000PV, sulfonated lignin are mixed with to soap lye in proportion,
Pitch is heated at 125～135 ℃ to melt and dissolved state that just can be mobile, then in pitch, add thinner, after adding thinner, stir 5～15 minutes to obtain asphaltic products., asphaltic products. and the soap lye that is heated to 50～70 ℃ are poured in emulsification container and mixed and emulsification, obtain SBR modified emulsifying asphalt.
Preparation process medium pitch of the present invention is heated to melt and dissolved state that just can be mobile at 125～135 ℃, is controlled at this temperature range most important, if temperature is too low, asphalt viscosity is large, and flow difficulties causes emulsification difficulty; If excess Temperature, has part low boilers to be distilled out of, contaminate environment not only, waste resource, and the pitch of excessive temperature is when mix with soap lye, also causes that soap lye seethes with excitement, and dangerous.
The present invention also provides a kind of preparation method of SBR modified emulsifying asphalt, the preparation of preferred described soap lye is: be first added to the water and add polyvinyl alcohol, permeate agent, ethanol, Walocel MT 20.000PV, sulfonated lignin, after water temperature is slightly fallen, add again anionic asphalt emulsion, slightly mix, regulate pH value calibration, continue the stirring and emulsifying agent aqueous solution, emulsifying agent is fully dissolved.Finally add the negatively charged ion SBR latex shaking up.
The invention has the beneficial effects as follows: a kind of SBR modified emulsifying asphalt of the present invention adopts the Reasonable modified emulsifying asphalt that when prepared by preparation method of each raw material to improve the viscosifying power of modified emulsifying asphalt, thereby improved micro-surfacing mixture pavement performance, extended micro-surfacing mixture work-ing life.
Embodiment
Below in conjunction with following examples, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
A kind of SBR modified emulsifying asphalt of the present invention, the material that comprises following weight part: No. 70 heavy traffic paving asphalt 40kg, permeate agent 1.5kg, thinner 2kg, anionic asphalt emulsion 3kg, polyvinyl alcohol or calcium chloride 0.1kg, negatively charged ion SBR latex 3kg, water 50kg, ethanol 3kg, Walocel MT 20.000PV 0.05kg, sulfonated lignin 0.5kg, wherein the mass concentration of negatively charged ion SBR latex is 60%.
Described cation asphalt emulgent is preferably mixed according to 1:1.5:2:1 by octadecyl dimethyl hydroxyethyl ammonium chloride, tetradecyl amide group polyamines, cetyl trimethylammonium bromide, palmityl trimethyl ammonium chloride.
The preparation method of above-mentioned a kind of SBR modified emulsifying asphalt, comprises the following steps:
Permeate agent, anionic asphalt emulsion, polyvinyl alcohol, negatively charged ion SBR latex, water, ethanol, Walocel MT 20.000PV, sulfonated lignin are mixed with to soap lye in above-mentioned ratio,
Pitch is heated at 125 ℃ to melt and dissolved state that just can be mobile, then in pitch, add thinner, after adding thinner, stir 15 minutes to obtain asphaltic products., asphaltic products. and the soap lye that is heated to 50 ℃ are poured in emulsification container and mixed and emulsification, obtain SBR modified emulsifying asphalt.
The preparation of described soap lye is: be first added to the water and add polyvinyl alcohol, permeate agent, ethanol, Walocel MT 20.000PV, sulfonated lignin, after water temperature is slightly fallen, add again anionic asphalt emulsion, slightly mix, regulate pH value calibration, continue the stirring and emulsifying agent aqueous solution, emulsifying agent is fully dissolved.Finally add the negatively charged ion SBR latex shaking up.
Embodiment 2
A kind of SBR modified emulsifying asphalt of the present invention comprises the material of following weight part: No. 100 ordinary road pitch 45kg, permeate agent 1.8kg, thinner 2.5kg, anionic asphalt emulsion 4kg, polyvinyl alcohol or calcium chloride 0.15kg, negatively charged ion SBR latex 4kg, water 52kg, ethanol 2kg, Walocel MT 20.000PV 0.03kg, sulfonated lignin 0.3kg.Wherein the mass concentration of negatively charged ion SBR latex is 50%.
Cation asphalt emulgent is mixed according to 1:1.5:2:1 by octadecyl dimethyl hydroxyethyl ammonium chloride, tetradecyl amide group polyamines, cetyl trimethylammonium bromide, palmityl trimethyl ammonium chloride.
The preparation method of above-mentioned a kind of SBR modified emulsifying asphalt, comprises the following steps:
Permeate agent, anionic asphalt emulsion, polyvinyl alcohol, negatively charged ion SBR latex, water, ethanol, Walocel MT 20.000PV, sulfonated lignin are mixed with to soap lye in proportion,
Pitch is heated at 135 ℃ to melt and dissolved state that just can be mobile, then in pitch, add thinner, after adding thinner, stir 5 minutes to obtain asphaltic products., asphaltic products. and the soap lye that is heated to 70 ℃ are poured in emulsification container and mixed and emulsification, obtain SBR modified emulsifying asphalt.
The present invention also provides a kind of preparation method of SBR modified emulsifying asphalt, the preparation of preferred described soap lye is: be first added to the water and add polyvinyl alcohol, permeate agent, ethanol, Walocel MT 20.000PV, sulfonated lignin, after water temperature is slightly fallen, add again anionic asphalt emulsion, slightly mix, regulate pH value calibration, continue the stirring and emulsifying agent aqueous solution, emulsifying agent is fully dissolved.Finally add the negatively charged ion SBR latex shaking up.
As the nature parameters of the SBR modified emulsifying asphalt of following table embodiment 1 and embodiment 2 preparations
| Project | Embodiment 1 | Embodiment 2 |
| Residual content/% on sieve | 0.01 | 0.01 |
| Viscosity Engler | 13.9 | 10 |
| Stability in storage % | ? | ? |
| 1 day | 0.3 | 0.2 |
| 5 days | 1 | 2.8 |
| Low-temperature storage experiment (5 ℃) | Without coarse grain without caking | Without coarse grain without caking |
| Low-temperature storage experiment (25 ℃) | Without coarse grain without caking | Without coarse grain without caking |
| Cement mixing | 0.2 | 0.7 |
| Evaporation of residual properties | ? | ? |
| Penetration degree, 1/10mm | 110 | 99 |
| Ductility (25 ℃)/cm | ＞150 | ＞150 |
| Ductility (5 ℃)/cm | 80 | 78 |
| Solubleness/% | 99.8 | 99.8 |
| Emulsified bitumen state | Fine and smooth | Fine and smooth |
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a SBR modified emulsifying asphalt, it is characterized in that, the material that comprises following weight part: 40～50 parts of pitches, 1.5～2 parts of permeate agents, 2～3 parts of thinners, 3～5 parts of anionic asphalt emulsions, 0.1～0.2 part of polyvinyl alcohol, 3～5 parts, negatively charged ion SBR latex, 50～53 parts, water, 1～3 part of ethanol, 0.01～0.05 part of Walocel MT 20.000PV, 0.1～0.5 part of sulfonated lignin, the mass concentration of wherein said negatively charged ion SBR latex is 40%～60%.
2. a kind of SBR modified emulsifying asphalt according to claim 1, it is characterized in that, comprise the material of following weight part: 45 parts of pitches, 1.8 parts of permeate agents, 2.5 parts of thinners, 4 parts of anionic asphalt emulsions, 0.15 part, calcium chloride, 4 parts, negatively charged ion SBR latex, 52 parts, water, 2 parts of ethanol, 0.03 part of Walocel MT 20.000PV, 0.3 part of sulfonated lignin.
3. a kind of SBR modified emulsifying asphalt according to claim 1, is characterized in that pitch is a kind of in No. 70 heavy traffic paving asphalts, No. 90 heavy traffic paving asphalts, No. 100 ordinary road pitch, No. 10 building asphalts or coal-based pitch.
4. a kind of SBR modified emulsifying asphalt according to claim 1, is characterized in that cation asphalt emulgent is mixed according to 1:1.5:2:1 by octadecyl dimethyl hydroxyethyl ammonium chloride, tetradecyl amide group polyamines, cetyl trimethylammonium bromide, palmityl trimethyl ammonium chloride.
5. an a kind of preparation method of SBR modified emulsifying asphalt described in claim 1 to 4 any one, is characterized in that, comprises the following steps:
Permeate agent, anionic asphalt emulsion, polyvinyl alcohol, negatively charged ion SBR latex, water, ethanol, Walocel MT 20.000PV, sulfonated lignin are mixed with to soap lye in proportion,
Pitch is heated at 125～135 ℃ to melt and dissolved state that just can be mobile, then in pitch, add thinner, after adding thinner, stir 5～15 minutes to obtain asphaltic products., asphaltic products. and the soap lye that is heated to 50～70 ℃ are poured in emulsification container and mixed and emulsification, obtain SBR modified emulsifying asphalt.
6. the method for modified emulsifying asphalt according to claim 5, it is characterized in that, the preparation of described soap lye is: be first added to the water and add polyvinyl alcohol, permeate agent, ethanol, Walocel MT 20.000PV, sulfonated lignin, after water temperature is slightly fallen, add again anionic asphalt emulsion, slightly mix, regulate pH value calibration, continue the stirring and emulsifying agent aqueous solution, emulsifying agent is fully dissolved.Finally add the negatively charged ion SBR latex shaking up.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108463510A (en) * | 2015-11-13 | 2018-08-28 | 埃尔根沥青及乳剂公司 | The micro- surface treating composition of crack resistance |
| CN109233309A (en) * | 2018-08-30 | 2019-01-18 | 沈阳市沈北新区路佳庆环保型沥青冷拌技术咨询中心 | A kind of environment-friendly type cold mixing modified emulsifying asphalt |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519981B (en) * | 2016-11-23 | 2019-08-27 | 徐州卧牛山新型防水材料有限公司 | A kind of alkaline base treatment agent and preparation method thereof for asphalt water-proof coiled material |
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| CN1439693A (en) * | 2002-12-31 | 2003-09-03 | 杨林江 | Modified Elestex preparation |
| CN102898850A (en) * | 2012-11-10 | 2013-01-30 | 广西金雨伞防水装饰有限公司 | Modified emulsified asphalt waterproof sealant and preparation method thereof |
| CN103361025A (en) * | 2013-07-19 | 2013-10-23 | 北京东方雨虹防水技术股份有限公司 | Self-adhesive waterproof coiled material having high initial stickiness and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1439693A (en) * | 2002-12-31 | 2003-09-03 | 杨林江 | Modified Elestex preparation |
| CN102898850A (en) * | 2012-11-10 | 2013-01-30 | 广西金雨伞防水装饰有限公司 | Modified emulsified asphalt waterproof sealant and preparation method thereof |
| CN103361025A (en) * | 2013-07-19 | 2013-10-23 | 北京东方雨虹防水技术股份有限公司 | Self-adhesive waterproof coiled material having high initial stickiness and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108463510A (en) * | 2015-11-13 | 2018-08-28 | 埃尔根沥青及乳剂公司 | The micro- surface treating composition of crack resistance |
| US11781019B2 (en) | 2015-11-13 | 2023-10-10 | Ergon, Inc. | Crack resistant micro surfacing composition |
| CN109233309A (en) * | 2018-08-30 | 2019-01-18 | 沈阳市沈北新区路佳庆环保型沥青冷拌技术咨询中心 | A kind of environment-friendly type cold mixing modified emulsifying asphalt |
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Address after: 300384 the Binhai New Area of Tianjin Huayuan Industrial Zone Rong Yuan Road No. 2 4-2101 Patentee after: China Construction Municipal Construction Group Co., Ltd. Address before: 300384 No. 2, Rongyuan Road, Huayuan Industrial Area, Xiqing District, Tianjin 4-2101 Patentee before: Sinohydro Tianjin Engineering Co.,Ltd. |
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