CN104151184A - Preparation method of special emulsifier for cationic SBS modified asphalt - Google Patents
Preparation method of special emulsifier for cationic SBS modified asphalt Download PDFInfo
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- CN104151184A CN104151184A CN201410004884.8A CN201410004884A CN104151184A CN 104151184 A CN104151184 A CN 104151184A CN 201410004884 A CN201410004884 A CN 201410004884A CN 104151184 A CN104151184 A CN 104151184A
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Abstract
The invention discloses a preparation method of a special emulsifier for cationic SBS modified asphalt. The method comprises the following steps: with higher aliphatic acid, N,N-dimethyl propanediamine, trimethylamine hydrochloride, epoxy chloropropane and ethylene glycol or propylene glycol as raw materials, feeding the raw materials in a time-sharing manner according to the mass ratio; carrying out staged reaction at different temperatures, so as to obtain the special emulsifier for cationic SBS modified asphalt. The method has the advantages that the higher aliphatic acid from cheap agricultural and sideline products is utilized as a basic raw material, the prepared special emulsifier for the cationic SBS modified asphalt has excellent emulsifying property for different species of SBS modified asphalt, and the emulsified asphalt is good in storage stability and good in coating property, and has a good field application effect.
Description
Technical field
The preparation method who the present invention relates to a kind of kation S BS modifying asphalt emulsifier special, belongs to asphalt emulsifier technology.
Background technology
Asphalt emulsifier is comprised of the polar group of hydrophilic (or hating oil) and the nonpolar group of oleophylic (or hydrophobic) (being generally hydrocarbon chain).As asphalt emulsifier, need to there is the alkane of suitable carbochain just can better carry out emulsification with pitch.Kation S BS modifying asphalt emulsifier special is mainly widely used in, in the constructions such as modification sticking layer oil, crushed stone sealing, having good effect of field application.
At present domestic and international emulsifying agent, major part all adopts mono-quaternaries type, such emulsifying agent has good emulsifying effectiveness to common matrix pitch, but for the SBS modifying asphalt emulsifying capacity of high softening-point is poor even can not emulsification, but the emulsifying agent of this patent invention belongs to double quaternary ammonium salt type, emulsifying capacity is strong, use procedure is without acid adjustment, can make stable SBS modified emulsifying asphalt, the synthetic reaction being mainly concerned with of such emulsifying agent is amidate action and alkylated reaction, as stearic acid and N, the reaction of N dimethylated propyl diethylenetriamine:
This is the main reaction that generates acid amides, generally 150 ℃ of left and right, can carry out completely, but will obtain kation S BS modifying asphalt emulsifier special, also will carry out alkylated reaction, and alkylating reagent is product-intermediate that epoxy chloropropane reacts with trimethylamine hydrochloride:
This kation S BS modifying asphalt emulsifier special belongs to quaternary ammonium salt, during use without regulating pH, to emulsifying device non-corrosiveness.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of kation S BS modifying asphalt emulsifier special.The method process is simple, the cation asphalt emulgent making, and the SBS modifying asphalt for different, all has good emulsifying effectiveness.
The present invention is realized by the following technical programs, a kind of preparation method of kation S BS modifying asphalt emulsifier special, it is characterized in that comprising following process: by higher fatty acid and N, N dimethylated propyl diethylenetriamine and trimethylamine hydrochloride and epoxy chloropropane and with ethylene glycol or propylene glycol, mass ratio is 1:(0.3 ~ 0.5): (0.3 ~ 0.8): (0.18 ~ 0.4): (1.8 ~ 2.6), first, trimethylamine hydrochloride is added in reactor A, be warming up to 40 ℃, beginning drips epoxy chloropropane in reactor A, guarantee in reactor A that temperature of charge is in 60 ℃, after dropwising, 70 ~ 75 ℃ of insulations 5 hours, after completion of the reaction, obtain product-midbody solution, higher fatty acid is added in reactor B, 120 ~ 150 ℃ of temperature and under stirring, dewater 0.5 ~ 1.0 hour, be cooled to afterwards below 110 ℃, in reactor, add N, N dimethylated propyl diethylenetriamine, be warming up to 120 ~ 150 ℃ of reactions 6.0 hours, continue to be warming up to 170 ~ 180 ℃ of reactions 4 hours, then be cooled to below 80 ℃, to the intermediate water solution that adds reactor A to make in reactor B, 80 ~ 90 ℃ of reactions 6 hours, then be cooled to 80 ℃, add ethylene glycol or propylene glycol, stir the lower reaction 0.5 ~ 1.0 hour that continues, cooling discharging afterwards, obtain for kation S BS modifying asphalt emulsifier special.
The invention has the advantages that, using the higher fatty acid from cheap agricultural byproducts is basic raw material, and the inner link in strict accordance with synthetic, properity and application, synthesizes kation S BS modifying asphalt emulsifier special.This emulsifying agent all has good emulsifying property for the SBS modifying asphalt of different varieties, the emulsified bitumen steady quality making with this method, thereby the quality that assurance is built the road and repaired the roads.
Embodiment
Embodiment 1
In the reactor of electric mixer, thermometer, reflux exchanger and filling tube is housed, first, 33g trimethylamine hydrochloride is added in reactor A, be warming up to 40 ℃, start to drip 18.4g epoxy chloropropane in reactor A, guarantee in reactor A that temperature of charge is in 60 ℃, after dropwising, 70 ~ 75 ℃ of insulations 5.0 hours, after completion of the reaction, obtain product-midbody solution, 100g stearic acid is added in reactor B, 120 ~ 150 ℃ of temperature and under stirring, dewater 0.5 ~ 1.0 hour, be cooled to afterwards below 110 ℃, in reactor B, add 30gN, N dimethylated propyl diethylenetriamine, be warming up to 120 ~ 150 ℃ of reactions 6.0 hours, continue to be warming up to 170 ~ 180 ℃ of reactions 4.0 hours, then be cooled to 80 ℃, to the intermediate water solution that adds reactor A to make in reactor B, 80 ~ 90 ℃ of reactions 6.0 hours, then be cooled to 80 ℃, add 180g ethylene glycol, stir the lower reaction 0.5 ~ 1.0 hour that continues, amine value is surveyed in sampling, amine value < 1 mmol/g, cooling discharging, obtain kation S BS modifying asphalt emulsifier special.
Embodiment 2
In the reactor of electric mixer, thermometer, reflux exchanger and filling tube is housed, first, 38g trimethylamine hydrochloride is added in reactor A, be warming up to 40 ℃, start to drip 20g epoxy chloropropane in reactor A, guarantee in reactor A that temperature of charge is in 60 ℃, after dropwising, 70 ~ 75 ℃ of insulations 5.0 hours, after completion of the reaction, obtain product-midbody solution, 50g coconut oil is added in reactor B, 120 ~ 150 ℃ of temperature and under stirring, dewater 0.5 ~ 1.0 hour, be cooled to afterwards below 110 ℃, in reactor B, add 25gN, N dimethylated propyl diethylenetriamine, be warming up to 120 ~ 150 ℃ of reactions 6.0 hours, continue to be warming up to 170 ~ 180 ℃ of reactions 4.0 hours, then be cooled to 80 ℃, to the intermediate water solution that adds reactor A to make in reactor B, 80 ~ 90 ℃ of reactions 6.0 hours, then be cooled to 80 ℃, add 128g propylene glycol, stir the lower reaction 0.5 ~ 1.0 hour that continues, amine value is surveyed in sampling, amine value < 1 mmol/g, cooling discharging, obtain kation S BS modifying asphalt emulsifier special.
Embodiment 3
In the reactor of electric mixer, thermometer, reflux exchanger and filling tube is housed, first, 28.1g trimethylamine hydrochloride is added in reactor A, be warming up to 40 ℃, start to drip 14.7g epoxy chloropropane in reactor A, guarantee in reactor A that temperature of charge is in 60 ℃, after dropwising, 70 ~ 75 ℃ of insulations 5.0 hours, after completion of the reaction, obtain product-midbody solution, 50g palmitinic acid is added in reactor B, 120 ~ 150 ℃ of temperature and under stirring, dewater 0.5 ~ 1.0 hour, be cooled to afterwards below 110 ℃, in reactor B, add 20gN, N dimethylated propyl diethylenetriamine, be warming up to 120 ~ 150 ℃ of reactions 6.0 hours, continue to be warming up to 170 ~ 180 ℃ of reactions 4.0 hours, then be cooled to 80 ℃, to the intermediate water solution that adds reactor A to make in reactor B, 80 ~ 90 ℃ of reactions 6.0 hours, then be cooled to 80 ℃, add 110g ethylene glycol, stir the lower reaction 0.5 ~ 1.0 hour that continues, amine value is surveyed in sampling, amine value < 1 mmol/g, cooling discharging, obtain kation S BS modifying asphalt emulsifier special.
Claims (3)
1. the preparation method of a kation S BS modifying asphalt emulsifier special, it is characterized in that comprising following process: by higher fatty acid and N, N dimethylated propyl diethylenetriamine and trimethylamine hydrochloride and epoxy chloropropane and with ethylene glycol or propylene glycol, mass ratio is 1:(0.3 ~ 0.5): (0.3 ~ 0.8): (0.18 ~ 0.4): (1.8 ~ 2.6), first, trimethylamine hydrochloride is added in reactor A, be warming up to 40 ℃, beginning drips epoxy chloropropane in reactor A, guarantee in reactor A that temperature of charge is in 60 ℃, after dropwising, 70 ~ 75 ℃ of insulations 5.0 hours, after completion of the reaction, obtain product-midbody solution, higher fatty acid is added in reactor B, 120 ~ 150 ℃ of temperature and under stirring, dewater 0.5 ~ 1.0 hour, be cooled to afterwards below 110 ℃, in reactor, add N, N dimethylated propyl diethylenetriamine, be warming up to 120 ~ 150 ℃ of reactions 6.0 hours, continue to be warming up to 170 ~ 180 ℃ of reactions 4 hours, then be cooled to 80 ℃, to the intermediate water solution that adds reactor A to make in reactor B, 80 ~ 90 ℃ of reactions 6.0 hours, then be cooled to 80 ℃, add ethylene glycol or propylene glycol, stir the lower reaction 0.5 ~ 1.0 hour that continues, cooling discharging afterwards, obtain kation S BS modifying asphalt emulsifier special.
2. by kation S BS modifying asphalt emulsifier special claimed in claim 1, it is characterized in that, higher fatty acid can be wherein a kind of of coconut oil or palmitinic acid or stearic acid.
3. by kation S BS modifying asphalt emulsifier special claimed in claim 1, it is characterized in that, the mass concentration of trimethylamine hydrochloride is 70%.
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| CN201410004884.8A CN104151184A (en) | 2014-01-07 | 2014-01-07 | Preparation method of special emulsifier for cationic SBS modified asphalt |
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| CN201410004884.8A CN104151184A (en) | 2014-01-07 | 2014-01-07 | Preparation method of special emulsifier for cationic SBS modified asphalt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113683898A (en) * | 2021-09-02 | 2021-11-23 | 曾亮亮 | Asphalt modifier, modified asphalt and preparation method |
Citations (5)
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| JPH09256273A (en) * | 1996-03-25 | 1997-09-30 | Lion Corp | Softening agent composition |
| JP2012077023A (en) * | 2010-09-30 | 2012-04-19 | Toho Chem Ind Co Ltd | Hair cosmetic |
| CN102580607A (en) * | 2011-12-30 | 2012-07-18 | 武汉理工大学 | Technology for synthesizing bisquaternary ammonium salt slow-breaking quick-setting asphalt emulsifier |
| CN102924299A (en) * | 2012-08-24 | 2013-02-13 | 武汉理工大学 | Preparation method of novel slow-crack slow-coagulation asphalt emulsifier |
| JP2013216584A (en) * | 2012-04-04 | 2013-10-24 | Toho Chem Ind Co Ltd | Hair cosmetic |
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2014
- 2014-01-07 CN CN201410004884.8A patent/CN104151184A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09256273A (en) * | 1996-03-25 | 1997-09-30 | Lion Corp | Softening agent composition |
| JP2012077023A (en) * | 2010-09-30 | 2012-04-19 | Toho Chem Ind Co Ltd | Hair cosmetic |
| CN102580607A (en) * | 2011-12-30 | 2012-07-18 | 武汉理工大学 | Technology for synthesizing bisquaternary ammonium salt slow-breaking quick-setting asphalt emulsifier |
| JP2013216584A (en) * | 2012-04-04 | 2013-10-24 | Toho Chem Ind Co Ltd | Hair cosmetic |
| CN102924299A (en) * | 2012-08-24 | 2013-02-13 | 武汉理工大学 | Preparation method of novel slow-crack slow-coagulation asphalt emulsifier |
Non-Patent Citations (3)
| Title |
|---|
| 徐云晴 等: "季按盐型阳离子沥青乳化剂的研究", 《公路交通技术》 * |
| 王松贤 等: "季按盐型阳离子沥青乳化剂的合成及影响因素研究", 《石油沥青》 * |
| 谢筱薇 等: "季铵盐型阳离子沥青乳化剂的合成方法", 《粘接》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113683898A (en) * | 2021-09-02 | 2021-11-23 | 曾亮亮 | Asphalt modifier, modified asphalt and preparation method |
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Application publication date: 20141119 |