CN104087003B - A kind of SBR modified emulsifying asphalt - Google Patents
A kind of SBR modified emulsifying asphalt Download PDFInfo
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- CN104087003B CN104087003B CN201410292832.5A CN201410292832A CN104087003B CN 104087003 B CN104087003 B CN 104087003B CN 201410292832 A CN201410292832 A CN 201410292832A CN 104087003 B CN104087003 B CN 104087003B
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Abstract
The present invention relates to a kind of SBR modified emulsifying asphalt and preparation method thereof, material including following weight portion: Colophonium 40～50 parts, penetrating agent 1.5～2 parts, diluent 2～3 parts, anionic asphalt emulsion 3～5 parts, polyvinyl alcohol or 0.1～0.2 part of calcium chloride, anion SBR latex 3～5 parts, 50～53 parts of water, ethanol 1～3 part, hydroxymethyl cellulose 0.01～0.05 part, lignosulfonates 0.1～0.5 part, the mass concentration of wherein said anion SBR latex is 40%～60%.Modified emulsifying asphalt prepared by the Reasonable of each raw material when preparation method improves the cementitiousness of modified emulsifying asphalt, thus improving micro-surfacing mixture pavement performance, extends micro-surfacing mixture service life.
Description
Technical field
The present invention relates to a kind of SBR modified emulsifying asphalt, belong to field of bitumen technology.
Background technology
Reporting survey analyzes u s. state permeable layers applicable cases and condition of construction, has no and describes about the priming oil suitable in cement stabilized base course.Owing in cut-back asphalt, surrounding enviroment are caused not little pollution by the easy volatile solvent such as kerosene, diesel oil, present stage, China's overwhelming majority provinces and cities adopted emulsified asphalt as priming oil.Owing to general emulsified asphalt permeability is poor, it is difficult to meet the requirement of length of penetration.Road work person develops a kind of good SBR modified emulsifying asphalt of permeability for this difficult problem.
Summary of the invention
The technical problem to be solved is to provide a kind of SBR modified emulsifying asphalt, has frost resistance, without modified emulsifying asphalts of advantage such as bleeding, pliability and caking property is good and preparation method thereof.
The technical scheme is that a kind of SBR modified emulsifying asphalt, material including following weight portion: Colophonium 40～50 parts, penetrating agent 1.5～2 parts, diluent 2～3 parts, anionic asphalt emulsion 3～5 parts, polyvinyl alcohol or 0.1～0.2 part of calcium chloride, anion SBR latex 3～5 parts, 50～53 parts of water, ethanol 1～3 part, hydroxymethyl cellulose 0.01～0.05 part, lignosulfonates 0.1～0.5 part, the mass concentration of wherein said anion SBR latex is 40%～60%.
On the basis of technique scheme, the present invention can also do following improvement.
Further, a kind of SBR of present invention modified emulsifying asphalt includes the material of following weight portion: Colophonium 45 parts, penetrating agent 1.8 parts, diluent 2.5 parts, anionic asphalt emulsion 4 parts, polyvinyl alcohol or 0.15 part of calcium chloride, anion SBR latex 4 parts, 52 parts of water, ethanol 2 parts, hydroxymethyl cellulose 0.03 part, lignosulfonates 0.3 part.
Further, the Colophonium of a kind of SBR modified emulsifying asphalt of the present invention is preferably the one in No. 70 heavy traffic paving asphalts, No. 90 heavy traffic paving asphalts, No. 100 ordinary road Colophoniumes, No. 10 building asphalts or coal-based pitch.
Further, cation asphalt emulgent described in one SBR modified emulsifying asphalt of the present invention is preferably mixed according to 1:1.5:2:1 by octadecyldimethyl hydroxyethyl ammonium chloride, myristyl amide Quito amine, cetyl trimethylammonium bromide, hexadecyltrimethylammonium chloride.
The preparation method that the present invention also provides for a kind of SBR modified emulsifying asphalt, comprises the following steps:
Penetrating agent, anionic asphalt emulsion, polyvinyl alcohol, anion SBR latex, water, ethanol, hydroxymethyl cellulose, lignosulfonates are configured to soap lye in proportion,
Colophonium is heated at 125～135 DEG C to the melt and dissolved state that just can flow, then in Colophonium, add diluent, after adding diluent, stirring obtains asphaltic products in 5～15 minutes, the soap lye of asphaltic products with heating to 50～70 DEG C is poured into and emulsifying container mixes and emulsifying, namely obtain SBR modified emulsifying asphalt.
Preparation process medium pitch of the present invention heats to the melt and dissolved state that just can flow at 125～135 DEG C, controls in this temperature range most important, if temperature is too low, asphalt viscosity is big, flow difficulties, then cause emulsifying difficulty；If temperature is too high, then part low boilers is had to be distilled out of, not only contaminated environment, waste resource, and when the Colophonium of excessive temperature mixes with soap lye, also cause soap lye to seethe with excitement, dangerous.
The preparation method that the present invention also provides for a kind of SBR modified emulsifying asphalt, being prepared by of preferred described soap lye: be initially charged in water and add polyvinyl alcohol, penetrating agent, ethanol, hydroxymethyl cellulose, lignosulfonates, after water temperature slightly drops, add anionic asphalt emulsion, slightly mix, regulate pH value and calibrate, continuously stirred emulsifier aqueous solution, making emulsifying agent fully dissolve.It is eventually adding the anion SBR latex shaken up.
The invention has the beneficial effects as follows: a kind of SBR modified emulsifying asphalt of the present invention adopts modified emulsifying asphalt prepared by the Reasonable when preparation method of each raw material to improve the cementitiousness of modified emulsifying asphalt, thus improving micro-surfacing mixture pavement performance, extend micro-surfacing mixture service life.
Detailed description of the invention
Below in conjunction with following example, principles of the invention and feature being described, example is served only for explaining the present invention, is not intended to limit the scope of the present invention.
Embodiment 1
One SBR modified emulsifying asphalt of the present invention, material including following weight portion: No. 70 heavy traffic paving asphalt 40kg, penetrating agent 1.5kg, diluent 2kg, anionic asphalt emulsion 3kg, polyvinyl alcohol or calcium chloride 0.1kg, anion SBR latex 3kg, water 50kg, ethanol 3kg, hydroxymethyl cellulose 0.05kg, lignosulfonates 0.5kg, wherein the mass concentration of anion SBR latex is 60%.
Described cation asphalt emulgent is preferably mixed according to 1:1.5:2:1 by octadecyldimethyl hydroxyethyl ammonium chloride, myristyl amide Quito amine, cetyl trimethylammonium bromide, hexadecyltrimethylammonium chloride.
The preparation method of above-mentioned a kind of SBR modified emulsifying asphalt, comprises the following steps:
Penetrating agent, anionic asphalt emulsion, polyvinyl alcohol, anion SBR latex, water, ethanol, hydroxymethyl cellulose, lignosulfonates are become soap lye by above-mentioned proportions,
Colophonium is heated at 125 DEG C to the melt and dissolved state that just can flow, then in Colophonium, add diluent, after adding diluent, stirring obtains asphaltic products in 15 minutes, is poured into by the soap lye of asphaltic products with heating to 50 DEG C and mixes in emulsifying container and emulsifying, namely obtains SBR modified emulsifying asphalt.
Being prepared by of described soap lye: be initially charged in water and add polyvinyl alcohol, penetrating agent, ethanol, hydroxymethyl cellulose, lignosulfonates, after water temperature slightly drops, add anionic asphalt emulsion, slightly mix, regulate pH value and calibrate, continuously stirred emulsifier aqueous solution, makes emulsifying agent fully dissolve.It is eventually adding the anion SBR latex shaken up.
Embodiment 2
The present invention a kind of SBR modified emulsifying asphalt includes the material of following weight portion: No. 100 ordinary road Colophonium 45kg, penetrating agent 1.8kg, diluent 2.5kg, anionic asphalt emulsion 4kg, polyvinyl alcohol or calcium chloride 0.15kg, anion SBR latex 4kg, water 52kg, ethanol 2kg, hydroxymethyl cellulose 0.03kg, lignosulfonates 0.3kg.Wherein the mass concentration of anion SBR latex is 50%.
Cation asphalt emulgent is mixed according to 1:1.5:2:1 by octadecyldimethyl hydroxyethyl ammonium chloride, myristyl amide Quito amine, cetyl trimethylammonium bromide, hexadecyltrimethylammonium chloride.
The preparation method of above-mentioned a kind of SBR modified emulsifying asphalt, comprises the following steps:
Penetrating agent, anionic asphalt emulsion, polyvinyl alcohol, anion SBR latex, water, ethanol, hydroxymethyl cellulose, lignosulfonates are configured to soap lye in proportion,
Colophonium is heated at 135 DEG C to the melt and dissolved state that just can flow, then in Colophonium, add diluent, after adding diluent, stirring obtains asphaltic products in 5 minutes, is poured into by the soap lye of asphaltic products with heating to 70 DEG C and mixes in emulsifying container and emulsifying, namely obtains SBR modified emulsifying asphalt.
The preparation method that the present invention also provides for a kind of SBR modified emulsifying asphalt, being prepared by of preferred described soap lye: be initially charged in water and add polyvinyl alcohol, penetrating agent, ethanol, hydroxymethyl cellulose, lignosulfonates, after water temperature slightly drops, add anionic asphalt emulsion, slightly mix, regulate pH value and calibrate, continuously stirred emulsifier aqueous solution, making emulsifying agent fully dissolve.It is eventually adding the anion SBR latex shaken up.
Nature parameters such as SBR modified emulsifying asphalt prepared by following table embodiment 1 and embodiment 2
| Project | Embodiment 1 | Embodiment 2 |
| Surplus/% on sieve | 0.01 | 0.01 |
| Engler viscosity | 13.9 | 10 |
| Storage stability % | ||
| 1 day | 0.3 | 0.2 |
| 5 days | 1 | 2.8 |
| Low temperature storage experiment (-5 DEG C) | Without coarse grain without caking | Without coarse grain without caking |
| Low temperature storage experiment (-25 DEG C) | Without coarse grain without caking | Without coarse grain without caking |
| Cement mixing | 0.2 | 0.7 |
| Evaporated residue character | ||
| Needle penetration, 1/10mm | 110 | 99 |
| Ductility (25 DEG C)/cm | > 150 | > 150 |
| Ductility (5 DEG C)/cm | 80 | 78 |
| Dissolubility/% | 99.8 | 99.8 |
| Emulsified asphalt state | Fine and smooth | Fine and smooth |
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (5)
1. a SBR modified emulsifying asphalt, it is characterized in that, material including following weight portion: Colophonium 40～50 parts, penetrating agent 1.5～2 parts, diluent 2～3 parts, cation asphalt emulgent 3～5 parts, polyvinyl alcohol 0.1～0.2 part, anion SBR latex 3～5 parts, 50～53 parts of water, ethanol 1～3 part, hydroxymethyl cellulose 0.01～0.05 part, lignosulfonates 0.1～0.5 part, the mass concentration of wherein said anion SBR latex is 40%～60%.
2. a kind of SBR modified emulsifying asphalt according to claim 1, it is characterized in that, including the material of following weight portion: Colophonium 45 parts, penetrating agent 1.8 parts, diluent 2.5 parts, cation asphalt emulgent 4 parts, 0.15 part of calcium chloride, anion SBR latex 4 parts, 52 parts of water, ethanol 2 parts, hydroxymethyl cellulose 0.03 part, lignosulfonates 0.3 part.
3. a kind of SBR modified emulsifying asphalt according to claim 1, it is characterised in that Colophonium is the one in No. 70 heavy traffic paving asphalts, No. 90 heavy traffic paving asphalts, No. 100 ordinary road Colophoniumes, No. 10 building asphalts or coal-based pitch.
4. the preparation method of a kind of SBR modified emulsifying asphalt described in an any one of claims 1 to 3, it is characterised in that comprise the following steps:
Penetrating agent, cation asphalt emulgent, polyvinyl alcohol, anion SBR latex, water, ethanol, hydroxymethyl cellulose, lignosulfonates are configured to soap lye in proportion,
Colophonium is heated at 125～135 DEG C to the melted state that just can flow, then in Colophonium, add diluent, after adding diluent, stirring obtains asphaltic products in 5～15 minutes, the soap lye of asphaltic products with heating to 50～70 DEG C is poured into and emulsifying container mixes and emulsifying, namely obtain SBR modified emulsifying asphalt.
5. the method for modified emulsifying asphalt according to claim 4, it is characterized in that, being prepared by of described soap lye: first add polyvinyl alcohol, penetrating agent, ethanol, hydroxymethyl cellulose, lignosulfonates in water, after water temperature slightly drops, add cation asphalt emulgent, slightly mix, regulate pH value and calibrate, continuously stirred emulsifier aqueous solution, makes emulsifying agent fully dissolve, and is eventually adding the anion SBR latex shaken up.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519981A (en) * | 2016-11-23 | 2017-03-22 | 徐州卧牛山新型防水材料有限公司 | Alkali substrate treating agent for bituminous waterproof sheet material and preparation method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2016353233B2 (en) * | 2015-11-13 | 2020-12-10 | Ergon Asphalt & Emulsions, Inc. | Crack resistant micro surfacing composition |
| CN109233309B (en) * | 2018-08-30 | 2021-08-24 | 沈阳市沈北新区路佳庆环保型沥青冷拌技术咨询中心 | Environment-friendly modified emulsified asphalt for cold mixing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439693A (en) * | 2002-12-31 | 2003-09-03 | 杨林江 | Preparation method of modified emulsified asphalt |
| 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 |
|---|---|---|---|---|
| CN1439693A (en) * | 2002-12-31 | 2003-09-03 | 杨林江 | Preparation method of modified emulsified asphalt |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106519981A (en) * | 2016-11-23 | 2017-03-22 | 徐州卧牛山新型防水材料有限公司 | Alkali substrate treating agent for bituminous waterproof sheet material and preparation method thereof |
| 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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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. |