CN104530445A - Preparation method of slow-breaking quick-setting asphalt emulsifier - Google Patents
Preparation method of slow-breaking quick-setting asphalt emulsifier Download PDFInfo
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- CN104530445A CN104530445A CN201410783482.2A CN201410783482A CN104530445A CN 104530445 A CN104530445 A CN 104530445A CN 201410783482 A CN201410783482 A CN 201410783482A CN 104530445 A CN104530445 A CN 104530445A
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Abstract
The invention belongs to the technical field of organic chemical synthesis and particularly relates to a preparation method of a slow-breaking quick-setting asphalt emulsifier. The preparation method of the asphalt emulsifier is characterized by comprising the following steps of: carrying out amidation reaction on raw material industrial tall oil fatty acid (including rosin acid) to prepare a cationic asphalt emulsifier, and adding lignin in the course of reaction to regulate the slow breaking characteristic of the cationic asphalt emulsifier. The preparation method of the slow-breaking quick-setting asphalt emulsifier has the advantages that the whole reaction process is easy to control, the raw materials are easily available, and most of the raw materials are natural products. The asphalt emulsified by the prepared asphalt emulsifier is uniform and stable, and the technical indexes such as residue on sieve, evaporation residue and mineral adhesion of the asphalt emulsifier are all superior to national standards.
Description
Technical field
The present invention relates to organic chemical synthesis technical field, be specifically related to a kind of preparation method splitting fast solidifying type asphalt emulsifier slowly.
Background technology
The highway total length of current China has reached the level of second place of the world, for improving road construction to the guaranteeing role of the national economic development, while building high quality highway, also must carry out on-call maintenance and maintenance to the existing road surface used.Through the maintenance of surface practice that people are long-term, find that emulsified bitumen is the effective way solved the problem.Emulsified bitumen can overcome hot-mix asphalt mixture restriction by season, weather and temperature in the process of Reparation of Bituminous Pavement, and on-the-spotly carries out the drawbacks such as the environmental pollution that asphalt heating causes repairing, thus makes it have stronger suitability.
Emulsified bitumen be pitch at a certain temperature, by the synergy of the mechanicals efforts such as grinding, shearing, high speed centrifugation of asphalt emulsifier and emulsifying device, be separated into trickle particle, form the bitumen emulsion of oil-in-water-type, its medium pitch is disperse phase, and water is dispersion medium, is external phase.Emulsified bitumen belongs to thermodynamic unstable system, but emulsifier molecules be adsorbed on bitumen particle surface align effect, the interfacial tension between water and pitch can be reduced, bitumen particle can be scattered in water equably and not produce precipitating.Simultaneously due to ionization and the space steric effect of emulsifier molecules, increase the mutual repulsive force between bitumen particle, enable bitumen particle in water, form the dispersion system of long-time stable.Generally speaking, emulsified bitumen is dark brown, has good mobility and adhesivity, and can cold conditions use, be a kind of environment-friendly materials in highway maintenance.
Asphalt emulsifier can be divided into anionic, cationic, amphoteric and non-ionic type by its chargeding performance.Relative to the asphalt emulsifier of other type, cation asphalt emulgent application is comparatively wide, superior performance.Generally speaking, the hydrophilic radical of cation asphalt emulgent is all with amido, no matter be for acid stone or alkaline building stones, nitrogen-atoms all has stronger adsorptive power, enhances the adhesivity of pitch and building stones, thus in recent years various countries all to develop cationic emulsifier, comprising: quaternary ammonium salt, xylogen amine, amides, alkyl polyamine class and imidazolines.
Through unremitting effort for many years, China has achieved very large achievement in the research and development of asphalt emulsifier, but compared with external technology, gap is still very large, the kind being mainly manifested in asphalt emulsifier is few and emulsified bitumen quality unstable, therefore, is badly in need of exploitation consumption few, emulsified bitumen good stability, is applicable to the emulsifying agent of the slurry seal and Modified Slurry Sealing etc. of high-grade highway.
Summary of the invention
The invention discloses a kind of preparation method splitting fast solidifying type asphalt emulsifier slowly, the asphalt emulsifier consumption prepared by the method is few, and the building stones be suitable for are wide, can be widely used in the slurry seal of high-grade highway and Modified Slurry Sealing etc.
Preparation method of the present invention comprises:
A. ready denier oil acid is by 300g, adds iodine and/or the sulphur of cis-butenedioic anhydride 40 ~ 80g and 0.6 ~ 1g, at N
2under protection, be warming up to 180 ~ 210 DEG C, react 7 ~ 12 hours, obtained tribasic carboxylic acid intermediate;
B. after polyethylene polyamine 200 ~ 280g being heated to 120 ~ 140 DEG C, add xylogen 40 ~ 60g and paraformaldehyde 20 ~ 35g successively, after reaction carries out 2 ~ 4 hours, generate water-soluble good lignin amine;
C. silica gel and the aluminum oxide of tribasic carboxylic acid intermediate prepared by a step and 4 ~ 6g is added in the lignin amine prepared in b step successively, at N
2under protective condition, be warming up to 150 ~ 170 DEG C, dewater 1.5 ~ 3 hours, continue to be warming up to 190 ~ 220 DEG C of dehydrations 1.5 ~ 3 hours, after dehydration terminates, add Organic Alcohol solution dilution, obtain and split fast solidifying type asphalt emulsifier slowly.
One or more preferably in diethylenetriamine, triethylene tetramine, tetraethylene pentamine of polyethylene polyamine.
Organic Alcohol solution is preferably the aqueous solution containing methyl alcohol, ethanol or Virahol.
Organic Alcohol strength of solution is preferably 40% ~ 60%, is weight percentage.
Add Organic Alcohol solution and be preferably diluted to 70% ~ 50%, be weight percentage.Most preferably be diluted to 60%.
For diethylenetriamine, principal reaction process of the present invention is as follows:
The invention has the beneficial effects as follows: with industrial ready denier oil acid (containing sylvic acid) for raw material, prepared cationic asphalt emulsifier by amidate action, by adding xylogen in reaction process, regulating the characteristic that emulsifying agent splits slowly.Whole reaction process is easy to control, and raw material is easy to get, and most of raw material is natural product.Emulsified bitumen prepared by the emulsifying agent obtained is uniform and stable, residual content on sieve, evaporation of residual amount, is all better than national standard with technical indicators such as the adhesivityes of mineral.
The relatively performance of the application's emulsifying agent and commercial emulsifier, under identical building stones, identical pitch, same environmental conditions, emulsifier of the present invention is the 1.8-2.0% of bitumen emulsion, and the consumption of commercial emulsifier is at 2.2-2.6% by contrast.As the basalt building stones in somewhere, Gansu, under equal conditions (emulsified bitumen temperature is identical, and building stones temperature is identical, and weather condition are identical, and Asphalt emulsion content is identical), product consumption of the present invention is 2.0%, and the consumption of commercially available prod is 2.4%.Under normal circumstances, use the presetting period of product pitch of the present invention at 5-10 minute, and commercially available prod is generally at 20-30 minute.About being open to traffic the time, product of the present invention is at 10-30 minute, and commercially available prod is at 60-120 minute.In addition the emulsified bitumen poor stability of current domestic commercial emulsifier production, the stability of testing 5 days has just reached the standard of 5% of national regulation, and the product of the present invention stability of 5 days is less than 3%, and use properties does not change with the storage time.The destructiveness of product of the present invention to pitch is little, and the performance of pitch can well be reduced.
Current commercial emulsifier quality is unstable and building stones subject range is little, the limestone building stones in somewhere, Heilungkiang, under equal conditions, the bitumen emulsion mixing time prepared by product of the present invention is 3 minutes, construction requirement can be met, and the mixing time of commercially available prod is 1 minute, need the consumption increasing emulsifying agent could meet the requirement of construction.Emulsifying agent of the present invention and premium properties thereof in Gansu, Fujian, Jilin, Harbin, Shanxi, Qinghai, Shaanxi, the micro-surface area of the provinces and cities tens million of square metres such as Liaoning and slurry seal construct and proved.
Embodiment
Embodiment 1
The preparation of emulsifying agent
The ready denier oil acid of 300g adds the iodine of 40g cis-butenedioic anhydride and 0.6g, at N
2under protection, be warming up to 180 DEG C, react 10 hours, obtained tribasic carboxylic acid intermediate.After 240g triethylene tetramine is heated to 130 DEG C, substep adds 40g xylogen and 25g paraformaldehyde, and after reaction carries out 2 hours, substep adds previously prepared tribasic carboxylic acid intermediate and 4g silica gel, at N
2under protective condition, be warming up to 170 DEG C, dewater 2 hours, continue to be warming up to 200 DEG C of dehydrations 2 hours.Finally be diluted to 50% with 50% methanol aqueous solution.
The preparation of emulsified bitumen
Take the asphalt emulsifier that 10g effective content is 50%, add the water of about 170ml, stir gently, to be emulsified dose dissolve completely after, about the pH to 2.0 with concentrated hydrochloric acid regulator solution, and be settled to 200ml.Open colloidal mill, the emulsifier aqueous solution being preheated to 50 ~ 60 DEG C is poured in colloidal mill, then the 300g petroleum pitch being heated to 130 ~ 140 DEG C is slowly poured in colloidal mill while stirring, after circular grinding lmin, can bitumen emulsion be obtained.
Bitumen emulsion performance test
Embodiment 2
The preparation of emulsifying agent
The ready denier oil acid of 300g adds 40g cis-butenedioic anhydride, and 0.3g iodine and 0.3g sulphur, at N
2under protection, be warming up to 200 DEG C, react 7 hours, obtained tribasic carboxylic acid intermediate.After 240g tetraethylene pentamine is heated to 130 DEG C, substep adds 40g xylogen and 25g paraformaldehyde, react after 2 hours, step by step adds previously prepared tribasic carboxylic acid intermediate, and 2g silica gel and 2g aluminium sesquioxide, at N
2under protective condition, be warming up to 160 DEG C, dewater 3 hours, continue to be warming up to 200 DEG C of dehydrations 2 hours.Finally be diluted to 50% with the aqueous solution.
The preparation of emulsified bitumen
Preparation method is shown in embodiment 1.
Bitumen emulsion performance test
Embodiment 3
The preparation of emulsifying agent
The ready denier oil acid of 300g, adds 60g cis-butenedioic anhydride, and 0.5g iodine and 0.3g sulphur, at N
2under protection, be warming up to 180 DEG C, react 10 hours, obtained tribasic carboxylic acid intermediate.After 240g triethylene tetramine is heated to 130 DEG C, substep adds 40g xylogen and 25g paraformaldehyde, and after reaction carries out 2 hours, substep adds previously prepared tribasic carboxylic acid intermediate and 5g silica gel, at N
2under protective condition, be warming up to 170 DEG C, dewater 2 hours, continue to be warming up to 210 DEG C of dehydrations 1.5 hours.Finally be diluted to 50% with 50% isopropanol water solution.
The preparation of emulsified bitumen
Preparation method is shown in embodiment 1
Bitumen emulsion performance test
Embodiment 4
The preparation of emulsifying agent
The ready denier oil acid of 300g adds 60g cis-butenedioic anhydride and 0.8g iodine, at N
2under protection, be warming up to 200 DEG C, react 7 hours, obtained tribasic carboxylic acid intermediate.After the mixture of 120g triethylene tetramine and 120g tetraethylene pentamine is heated to 120 DEG C, substep adds 45g xylogen and 20g paraformaldehyde, and after reaction carries out 2.5 hours, substep adds previously prepared tribasic carboxylic acid intermediate, 2.5g silica gel and 2.5g aluminium sesquioxide, at N
2under protective condition, be warming up to 160 DEG C, dewater 3 hours, continue to be warming up to 210 DEG C of dehydrations 1.5 hours.Finally be diluted to 50% with the methanol aqueous solution of 50%.
The preparation of emulsified bitumen
Preparation method is shown in embodiment 1
Bitumen emulsion performance test
Embodiment 5
The preparation of emulsifying agent
The ready denier oil acid of 300g adds the iodine of 80g cis-butenedioic anhydride and 1g, at N
2under protection, be warming up to 180 DEG C, react 10 hours, obtained tribasic carboxylic acid intermediate.After 180g tetraethylene pentamine and 60g diethylenetriamine mixture are heated to 120 DEG C, substep adds 45g xylogen and 20g paraformaldehyde, and after reaction carries out 2.5 hours, substep adds previously prepared tribasic carboxylic acid intermediate and 6g silica gel, at N
2under protective condition, be warming up to 160 DEG C, dewater 3 hours, continue to be warming up to 190 DEG C of dehydrations 3 hours.Finally be diluted to 50% with 50% aqueous ethanolic solution.
The preparation of emulsified bitumen
Preparation method is shown in embodiment 1
Bitumen emulsion performance test
Claims (5)
1. split a preparation method for fast solidifying type asphalt emulsifier slowly, comprising:
A. ready denier oil acid is by 300g, adds iodine and/or the sulphur of cis-butenedioic anhydride 40 ~ 80g and 0.6 ~ 1g, under N2 protection, is warming up to 180 ~ 210 DEG C, reacts 7 ~ 12 hours, obtained tribasic carboxylic acid intermediate;
B. after polyethylene polyamine 200 ~ 280g being heated to 120 ~ 140 DEG C, add xylogen 40 ~ 60g and paraformaldehyde 20 ~ 35g successively, after reaction carries out 2 ~ 4 hours, generate water-soluble good lignin amine;
C. silica gel and the aluminum oxide of tribasic carboxylic acid intermediate prepared by a step and 4 ~ 6g is added in the lignin amine prepared in b step successively; under N2 protective condition; be warming up to 150 ~ 170 DEG C; dewater 1.5 ~ 3 hours; continue to be warming up to 190 ~ 220 DEG C of dehydrations 1.5 ~ 3 hours; after dehydration terminates, add Organic Alcohol solution dilution and get final product.
2. the preparation method of claim 1, wherein polyethylene polyamine is selected from one or more in diethylenetriamine, triethylene tetramine, tetraethylene pentamine.
3. the preparation method of claim 1, wherein Organic Alcohol solution is the aqueous solution containing methyl alcohol, ethanol or Virahol.
4. the preparation method of claim 4, wherein Organic Alcohol strength of solution is 40% ~ 60%, is weight percentage.
5. the preparation method of claim 1, wherein adds Organic Alcohol solution dilution to 70% ~ 50%, is weight percentage.
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Cited By (7)
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| CN105017518A (en) * | 2015-08-14 | 2015-11-04 | 山西省交通科学研究院 | Asphalt emulsifier for cold-recycling and preparation method thereof |
| CN105330873A (en) * | 2015-12-14 | 2016-02-17 | 广东鑫大公路材料有限公司 | Novel slow-breaking and quick-setting asphalt emulsifier and preparation method thereof |
| CN106832328A (en) * | 2016-12-31 | 2017-06-13 | 山西省交通科学研究院 | A kind of retarder for being applied to emulsified asphalt cold in-plant recycling compound and preparation method thereof |
| CN108070007A (en) * | 2017-12-12 | 2018-05-25 | 山西省交通科学研究院 | A kind of cold renewal asphalt emulsifier and preparation method thereof |
| CN108690203A (en) * | 2017-04-12 | 2018-10-23 | 宁夏澍侍信息科技有限公司 | A kind of tall oil pitch emulsifier synthetic method |
| CN109456500A (en) * | 2017-10-20 | 2019-03-12 | 山东大学 | A kind of carboxylic acid quaternary ammonium salt type Hydroxypropyl phosphate ester sodium asphalt emulsifier and preparation method thereof |
| CN110872493A (en) * | 2018-08-30 | 2020-03-10 | 中石化石油工程技术服务有限公司 | Biomass synthetic base drilling fluid and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105017518A (en) * | 2015-08-14 | 2015-11-04 | 山西省交通科学研究院 | Asphalt emulsifier for cold-recycling and preparation method thereof |
| CN105330873A (en) * | 2015-12-14 | 2016-02-17 | 广东鑫大公路材料有限公司 | Novel slow-breaking and quick-setting asphalt emulsifier and preparation method thereof |
| CN106832328A (en) * | 2016-12-31 | 2017-06-13 | 山西省交通科学研究院 | A kind of retarder for being applied to emulsified asphalt cold in-plant recycling compound and preparation method thereof |
| CN106832328B (en) * | 2016-12-31 | 2020-05-05 | 山西省交通科学研究院 | Retarder applied to emulsified asphalt plant-mixed cold-recycling mixture and preparation method thereof |
| CN108690203A (en) * | 2017-04-12 | 2018-10-23 | 宁夏澍侍信息科技有限公司 | A kind of tall oil pitch emulsifier synthetic method |
| CN109456500A (en) * | 2017-10-20 | 2019-03-12 | 山东大学 | A kind of carboxylic acid quaternary ammonium salt type Hydroxypropyl phosphate ester sodium asphalt emulsifier and preparation method thereof |
| CN109456500B (en) * | 2017-10-20 | 2020-03-10 | 山东大学 | Carboxylic acid quaternary ammonium salt type sodium hydroxypropyl phosphate asphalt emulsifier and preparation method thereof |
| CN108070007A (en) * | 2017-12-12 | 2018-05-25 | 山西省交通科学研究院 | A kind of cold renewal asphalt emulsifier and preparation method thereof |
| CN110872493A (en) * | 2018-08-30 | 2020-03-10 | 中石化石油工程技术服务有限公司 | Biomass synthetic base drilling fluid and preparation method thereof |
| CN110872493B (en) * | 2018-08-30 | 2021-11-30 | 中石化石油工程技术服务有限公司 | Biomass synthetic base drilling fluid and preparation method thereof |
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