CN101845228A - Composition of cationic asphalt emulsifier, preparation method and application thereof - Google Patents
Composition of cationic asphalt emulsifier, preparation method and application thereof Download PDFInfo
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- CN101845228A CN101845228A CN201010177660.9A CN201010177660A CN101845228A CN 101845228 A CN101845228 A CN 101845228A CN 201010177660 A CN201010177660 A CN 201010177660A CN 101845228 A CN101845228 A CN 101845228A
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Abstract
The invention discloses composition of a cationic asphalt emulsifier, a preparation method and application thereof. The cationic asphalt emulsifier comprises the following components in percentage by weight: (A) 15 to 35 percent of C12 to C22 aliphatic amine; (B) 10 to 25 percent of C12 to C22 aliphatic alkyl propenyl diamine; (C) 10 to 30 percent of C12 to C22 fatty amido polyamine; (D) 10 to 30 percent of a non-ionic component namely fatty amine polyethenoxy ether; and (E) 20 to 55 percent of solvent small molecule alcohol. The preparation method comprises the following steps of: putting a solvent E into a reaction kettle; heating the solvent E to the temperature of between 40 and 90 DEG C; adding the components of A, B, C and D into the reaction kettle; and uniformly stirring the mixture to obtain the cationic asphalt emulsifier. The cationic asphalt emulsifier of the invention can directly emulsify SBS modified asphalt, and overcomes the defects that other emulsifiers can only emulsify matrix asphalt, and the emulsified asphalt is easy to be segregated and has low high-temperature resistance after being added with an SBS latex.
Description
Technical field
The present invention relates to a kind of cation asphalt emulgent, preparation method and application thereof, the cationic emulsified bitumen of this emulsifying agent preparation can be applicable to newly-built High Grade Bitumen Pavement, also can be used for the preventive maintenance of bituminous pavement or cement pavement and the corrective maintenance of slight disease.When being used for newly-built bituminous pavement, mainly as the modification adhesion coating or the seal on road surface.When being used for preventive maintenance, be mainly used in crushed stone sealing and ultra-thin wearing layer.
Background technology
Emulsified bitumen especially cationic emulsified bitumen and can reduce many good application characteristics such as pitch overaging effectively owing to have energy-conserving and environment-protective, can improve execution conditions, obtains promoting and using in Road construction with in safeguarding more and more widely.And, to use modified emulsifying asphalt under the more situation along with road engineering is more and more higher to the requirement of asphaltic binder.The modified emulsifying asphalt majority is to produce by the mode that adds SBR latex at present, and the SBR modified emulsifying asphalt has the following disadvantages: 1. SBR latex mainly improves the bituminous low-temperature performance, improves not obvious to the bituminous high-temperature behavior; 2. the compatibleness of SBR latex and emulsifying agent is poor, and pavement performance is bad.For the high-temperature behavior that improves modified emulsifying asphalt to the SBS modifying asphalt carry out that emulsification exists usually that emulsification difficulty, emulsion particle are thick partially, problem such as poor storage stability, actual pavement performance are bad.
The most critical factor that influences the emulsified bitumen pavement performance is exactly an asphalt emulsifier, at present, China's cationic emulsifier mainly is quaternary ammonium salt and mixture thereof, kind is few, cost an arm and a leg, and the emulsified bitumen poor storage stability of producing, bad with the adhesivity of building stones, and can not emulsified SBS modified asphalt, directly influence the pavement performance of emulsified bitumen.
Summary of the invention
One of purpose of the present invention is to overcome shortcoming of the prior art, and a kind of composition of cation asphalt emulgent is provided, and this cation asphalt emulgent is emulsified SBS modified asphalt directly, makes prepared emulsified asphalt have better pavement performance.
Cation asphalt emulgent of the present invention contains four kinds of active component A, B, C, D and a kind of solvent E, and active component A is C
12～C
22Fatty amine, molecular formula is R-NH
2, content is 15-35%, B is C
12～C
22Fatty alkyl propenyl diamines, molecular formula is R-NH-C
3H
6-NH
2, content 10-25%, C are C
12～C
22Fatty amide Quito amine, the representative structure formula is: R-CO-NH-(C
2H
4-NH) nH, wherein n is 1～10, and content is 10-30%, and D is a kind of nonionic components aliphatic amine polyoxyethylene ether, and structural formula is
R is C
12～C
22Fatty group, m, n all more than or equal to 1 and m+n be 2～60, preferred value is 2-30, content 10-30%, solvent E is a kind of small molecule alcohol, can use ethanol, Virahol or butanols, the preferential Virahol that uses, the content of solvent is 20～55%, is preferably 25～40%.
Another object of the present invention is to propose the preparation method and its usage of above-mentioned cation asphalt emulgent.
Cationic emulsifier of the present invention is a kind of mixture, first solvent E 20～55% puts in the reactor during production, be warming up to 40-90 ℃, again the D of the C of the B of the A of 15-35%, 10-25%, 10-30% and 10-30% is joined in the reactor according to the feeding sequence of ABCD, can make after stirring.Cation asphalt emulgent production technique of the present invention is simple, does not have three waste discharge in the production process, is a kind of product of environment-friendly type.
Cation asphalt emulgent of the present invention is emulsified SBS modified asphalt directly, and having overcome other emulsifying agent can only emulsifying base pitch, adds behind the SBR latex again segregation easily in emulsified bitumen, the shortcoming that resistance to elevated temperatures is bad.Emulsifying agent of the present invention consumption when producing emulsified bitumen is lower, one ton of common emulsified asphalt of every production only need be added this emulsifying agent 2kg, one ton of SBS modifying asphalt of every production is only to need to add this emulsifying agent 5kg, can reach good emulsifying effectiveness, the gained emulsion can stably stored, pavement performance is good, and high temperature performance all has clear improvement, and is a kind of emulsifying agent of heavy duty detergent.
The bitumen emulsion of cationic emulsifier preparation of the present invention is used for modification sticking layer oil, crushed stone sealing and ultra-thin wearing layer.The cationic emulsified bitumen of this emulsifying agent preparation can be applicable to newly-built High Grade Bitumen Pavement, also can be used for the preventive maintenance of bituminous pavement or cement pavement and the corrective maintenance of slight disease.When being used for newly-built bituminous pavement, mainly as the modification adhesion coating or the seal on road surface.When being used for preventive maintenance, be mainly used in crushed stone sealing and ultra-thin wearing layer.
Asphalt emulsifier of the present invention is a kind of cationic emulsifier, needs with the emulsifying effectiveness of mineral acid with pH value furnishing 2.0-4.0 competence exertion the best of soap lye during use.The most normal acid of using is hydrochloric acid, and best pH value scope is 2.0-2.5.When producing emulsified bitumen, may further comprise the steps: earlier in the hot water of 50-60 ℃ of emulsifying agent adding, adding hydrochloric acid adjustment pH value is 2.0-4.0, is soap lye, and the quality percentage composition of emulsifying agent is 0.4-2% in the soap lye; During emulsifying base pitch, the bituminous temperature adopts 135-140 ℃, and the emulsifying agent consumption is the 0.2-0.3% of emulsified bitumen quality, pitch and soap lye is added simultaneously shear the back in the colloidal mill and just can make emulsifying base pitch; The modifying asphalt temperature adopts 165-170 ℃ during emulsified SBS modified asphalt, and the emulsifying agent consumption is the 0.5-1.0% of emulsified bitumen quality, modifying asphalt and soap lye is added simultaneously shear the back in the colloidal mill and just can make emulsified SBS modified asphalt.Asphalt content is looked purposes and can be regulated between 45-65%, and during as sticking layer oil, asphalt content can be used 50-55%; During as crushed stone sealing, asphalt content adopts 63-68%; During as ultra-thin wearing layer, adopt the modifying asphalt of 65-68% to be advisable.Just can make emulsified bitumen to soap lye for preparing on request and pitch simultaneous pumping to colloidal mill or shears.
Cationic emulsifier of the present invention is emulsified SBS modified asphalt directly, the stability in storage of gained emulsified modified asphalt is good, anti-rut of high temperature and low temperature anti-cracking performance excellence are emanated the shortcoming that high temperature performance is bad easily from the emulsified bitumen that has solved admixture SBR latex in essence.This emulsifying agent is three-waste free discharge in process of production, is a kind of efficient emulsifying agent of environment-friendly type.
When emulsified bitumen was used as the modification sticking layer oil, effectively healed fracture formed water-resisting layer, can obviously improve interlaminar bonding power, obviously improves seal intensity and non-deformability thereof, prolongs service life of road surface; When emulsified bitumen is used as crushed stone sealing, because emulsified bitumen has very strong cohesive force and higher viscosity, make the rubble and the former road surface of spreading be bonded to an integral body closely, owing to use SBS properties-correcting agent, make emulsified bitumen have good temperature resistance and become ability and anti-fatigue ability, also can suppress the reflection and the development of former pavement crack,, can make to prolong 3-5 in work-ing life of structural sheet as the stress absorbing layer of crack reflection.When this emulsified bitumen also can be used for ultra-thin wearing layer, have that pavement structural depth is big, cling property good, the low characteristics of driving noise, be mainly used in the preventive maintenance of High Grade Bitumen Pavement or cement pavement and the corrective maintenance of slight disease, also can be used as the surface abrasion layer on newly-built road surface, can prolong service life of road surface 8-12.
Embodiment
Embodiment further specifies the present invention below in conjunction with modified emulsifying asphalt, rather than limits the scope of the invention.
Embodiment 1
Preparation cationic emulsifier: 35g stearylamine, 10g stearyl-1,3-trimethylene diamines and 10gC
17H
35-CO-NH-C
2H
4-NH
2, and 10g stearylamine Soxylat A 25-7 (AC1802) puts in the Virahol of 35g in order, stirs 1h at 80 ℃, makes it to mix, and obtains cationic emulsifier.
The preparation modifying asphalt: Liaohe River 90# matrix pitch is heated to 160 ℃, adds 3.5% SBS, insulated and stirred 60min grinds 30-90min with colloidal mill again, makes the SBS modifying asphalt.The SBS modifying asphalt is standby 165～170 ℃ of insulations.
The preparation soap lye: take by weighing this cationic emulsifier 5g, add in the 492g hot water, adding 3g concentration is 36% hydrochloric acid, and this moment, the pH value of solution was 2.0, was soap lye.Keeping the temperature of soap lye is 55-60 ℃.
Opening colloidal mill, is the 500g temperature that 165 ℃ SBS modifying asphalt and above-mentioned soap lye add simultaneously and shear the back in the colloidal mill and just can make emulsified SBS modified asphalt.Its performance sees Table 1.This emulsified modified asphalt is suitable for the modification sticking layer oil of new road construction.
Embodiment 2
Preparation cationic emulsifier: 15g stearylamine, 25g tallow base-1,3-trimethylene diamines and 20gC
17H
35-CO-NH-(C
2H
4NH)
4H, and 15g stearylamine Soxylat A 25-7 (AC1810) puts in the Virahol of 25g in order, stirs 1h at 90 ℃, obtains cationic emulsifier.
The preparation soap lye: take by weighing this cationic emulsifier 6g, add in the 341g hot water, adding 3g concentration is 36% hydrochloric acid, and this moment, the pH value of solution was 2.0, was soap lye.Keeping the temperature of soap lye is 55-60 ℃.
Opening colloidal mill, is the temperature of preparation among the 650g embodiment 1 that 165 ℃ SBS modifying asphalt and above-mentioned soap lye add simultaneously and shear the back in the colloidal mill and just can make emulsified SBS modified asphalt.This emulsified bitumen is a high viscosity high density emulsified modified asphalt, is fit to do the ultra-thin wearing layer of motorway.Its performance sees Table 1.
Embodiment 3
Preparation cationic emulsifier: 15g hydrogenated-tallow group primary amine, 10g oil base-1,3-trimethylene diamines and 30gC
17H
33-CO-NH-(C
2H
4-NH)
4H, and 10g stearylamine Soxylat A 25-7 (AC1820) puts in the Virahol of 35g in order, stirs 1h at 80 ℃, obtains cationic emulsifier.
The preparation soap lye: take by weighing this cationic emulsifier 8g, add in the 358g hot water, adding 4g concentration is 36% hydrochloric acid, and this moment, the pH value of solution was 2.0, was soap lye.Keeping the temperature of soap lye is 55-60 ℃.
Opening colloidal mill, is the temperature of preparation among the 630g embodiment 1 that 165 ℃ SBS modifying asphalt and above-mentioned soap lye add simultaneously and shear the back in the colloidal mill and just can make emulsified SBS modified asphalt.This emulsified bitumen is the high viscosity emulsified modified asphalt, is fit to do the modification sticking layer oil of motorway, also can be used as crushed stone sealing.Its performance sees Table 1.
Embodiment 4
Preparation cationic emulsifier: 15g stearylamine, 10g oil base-1,3-trimethylene diamines and 10gC
17H
33-CO-NH-(C
2H
4-NH)
4H, and 30g stearylamine Soxylat A 25-7 (AC1830) puts in the Virahol of 35g in order, stirs 1h at 80 ℃, obtains cationic emulsifier.
The preparation soap lye: take by weighing this cationic emulsifier 10g, add in the 305g hot water, adding 5g concentration is 36% hydrochloric acid, and this moment, the pH value of solution was 2.0, was soap lye.Keeping the temperature of soap lye is 55-60 ℃.
Opening colloidal mill, is the temperature of preparation among the 680g embodiment 1 that 165 ℃ SBS modifying asphalt and above-mentioned soap lye add simultaneously and shear the back in the colloidal mill and just can make emulsified SBS modified asphalt.This emulsified bitumen is a high viscosity high density emulsified modified asphalt, is adapted in the motorway maintenance work also can be used as crushed stone sealing as ultra-thin wearing layer.Its performance sees Table 1.
Comparative Examples 1 (emulsifying base pitch)
Take by weighing the cationic emulsifier 3g among the embodiment 1, add in the 496g hot water, adding 1g concentration is 36% hydrochloric acid, and this moment, the pH value of solution was 2.0, was soap lye.Keeping the temperature of soap lye is 55-60 ℃.
Opening colloidal mill, is the 500g temperature that 135 ℃ Liaohe River 90# matrix pitch and above-mentioned soap lye add simultaneously and shear the back in the colloidal mill and just can make emulsified bitumen.Its performance sees Table 1.
Comparative Examples 2 (mixing the modified emulsifying asphalt of SBR latex outward)
Take by weighing certain cationic emulsifier 8g that buys on the market, add in the 486.5g hot water, add 3.5gSBR latex then, add 2g concentration again and be 36% hydrochloric acid, this moment, the pH value of solution was 2.0, was soap lye.Keeping the temperature of soap lye is 55-60 ℃.
Opening colloidal mill, is the 500g temperature that 135 ℃ Liaohe River 90# matrix pitch and above-mentioned soap lye add simultaneously and shear the back in the colloidal mill and just can make emulsified bitumen.Its performance sees Table 1.
Comparative Examples 3 (other emulsifying agent emulsive matrix pitch)
Take by weighing certain cationic emulsifier 8g that buys on the market, add in the 490g hot water, add 2g concentration again and be 36% hydrochloric acid, this moment, the pH value of solution was 2.0, was soap lye.Keeping the temperature of soap lye is 55-60 ℃.
Opening colloidal mill, is the 500g temperature that 135 ℃ Liaohe River 90# matrix pitch and above-mentioned soap lye add simultaneously and shear the back in the colloidal mill and just can make emulsified bitumen.Its performance sees Table 1.
Table 1
Testing method:
1. sieve is gone up residual content, T0652-1993;
2. normal viscosity, T0621-1993;
3. evaporation of residual properties, a softening temperature, T0606-2000; B penetration degree, T0604-2000; Low-temperature ductility, T0605-1993;
4.1 it stability, T0655-1993.
As can be seen from Table 1, the evaporation residue of the emulsified SBS modified asphalt that is made by cationic emulsifier of the present invention is compared with corresponding common emulsified asphalt residue (Comparative Examples 1), can increase softening temperature more than 15 ℃, has obviously improved the high-temperature behavior of protobitumen.And as can be seen from Table 1, use the low-temperature performance of the cation asphalt emulgent emulsive SBS modifying asphalt of this patent very big improvement to be arranged than matrix pitch.With respect to for the emulsified bitumen of mixing SBR latex outward, the high-temperature behavior of SBS modifying asphalt and low-temperature performance also are better than the SBR latex modified asphalt.
With the direct emulsified SBS modified asphalt of cationic emulsifier of the present invention, the stability in storage of gained emulsified modified asphalt is good, anti-rut of high temperature and low temperature anti-cracking performance excellence are emanated the shortcoming that high temperature performance is bad easily from the emulsified bitumen that has solved admixture SBR latex in essence.This emulsifying agent is three-waste free discharge in process of production, is a kind of efficient emulsifying agent of environment-friendly type.
Claims (7)
1. a cation asphalt emulgent is characterized in that, it contains four kinds of active component A, B, C, D and a kind of solvent E, and active component A is C
12～C
22Fatty amine, molecular formula is R-NH
2, content is 15-35%, B is C
12～C
22Fatty alkyl propenyl diamines, molecular formula is R-NH-C
3H
6-NH
2, content 10-25%, C are C
12～C
22Fatty amide Quito amine, structural formula is: R-CO-NH-(C
2H
4-NH)
nH, wherein n is 1～10, and content is 10-30%, and D is a kind of nonionic components aliphatic amine polyoxyethylene ether, and structural formula is
R is C
12～C
22Fatty group, m, n all more than or equal to 1 and m+n be 2～60, content 10-30%, solvent E are a kind of small molecule alcohol, content is 20～55%.
2. the cation asphalt emulgent of claim 1 is characterized in that, described m+n preferred value is 2-30.
3. the cation asphalt emulgent of claim 1 is characterized in that, described solvent E is an ethanol, and Virahol or butanols preferentially use Virahol, and content is preferably 25～40%.
4. the preparation method of the cation asphalt emulgent of claim 1, it is characterized in that, step comprises: elder generation puts into 20～55% solvent E in the reactor, be warming up to 40-90 ℃, again the D of the C of the B of the A of 15-35%, 10-25%, 10-30% and 10-30% is joined in the reactor according to the feeding sequence of ABCD, get final product after stirring.
5. the direct emulsified SBS modified asphalt of the cation asphalt emulgent of claim 1.
6. the method for the cation asphalt emulgent emulsified bitumen of claim 1, it is characterized in that, may further comprise the steps: earlier in the hot water of 50-60 ℃ of emulsifying agent adding, adding hydrochloric acid adjustment pH value is 2.0-4.0, be soap lye, the quality percentage composition of emulsifying agent is 0.4-2% in the soap lye; During emulsifying base pitch, the bituminous temperature adopts 135-140 ℃, and the emulsifying agent consumption is the 0.2-0.3% of emulsified bitumen quality, pitch and soap lye is added simultaneously shear the back in the colloidal mill and just can make emulsifying base pitch; The modifying asphalt temperature adopts 165-170 ℃ during emulsified SBS modified asphalt, and the emulsifying agent consumption is the 0.5-1.0% of emulsified bitumen quality, modifying asphalt and soap lye is added simultaneously shear the back in the colloidal mill and just can make emulsified SBS modified asphalt.
7. emulsified SBS modified asphalt that comprises the cation asphalt emulgent of claim 1.
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| CN102010605A (en) * | 2010-11-26 | 2011-04-13 | 陕西长大博源公路养护科技有限公司 | Fog sealing layer asphalt emulsion admixture and use method thereof |
| CN102492136A (en) * | 2011-12-05 | 2012-06-13 | 天津康泽威科技有限公司 | Method for preparing serialized slow-crack quick-setting type cation asphalt emulsifier |
| CN103274972A (en) * | 2013-06-13 | 2013-09-04 | 江苏博特新材料有限公司 | Synthesis method of zwitterion type modified asphalt emulsifier and modified emulsified asphalt containing emulsifier |
| CN104140527A (en) * | 2013-12-09 | 2014-11-12 | 天津康泽威科技有限公司 | Preparation method of serialized slow-breaking and quick-setting type cationic asphalt emulsifier |
| CN105175748A (en) * | 2015-09-11 | 2015-12-23 | 江苏金阳新材料科技有限公司 | Cationic quick-breaking asphalt emulsifier capable of emulsifying SBS-modified (styrene butadiene styrene-modified) asphalt and application of cationic quick-breaking asphalt emulsifier |
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| CN107099041A (en) * | 2017-04-28 | 2017-08-29 | 江南大学 | A kind of high-performance asphalt emulsifier and preparation method thereof |
| CN108822306A (en) * | 2018-06-15 | 2018-11-16 | 天津三五六七电子商务有限公司 | A kind of cation asphalt emulgent and preparation method thereof and emulsified asphalt method |
| CN109929121A (en) * | 2019-04-04 | 2019-06-25 | 北京西尔玛道路养护工程有限公司 | Asphalt emulsifier, mineral rubber emulsified asphalt and mineral rubber Emulsified Asphalt Mixture |
| CN109929121B (en) * | 2019-04-04 | 2022-03-04 | 北京西尔玛道路养护工程有限公司 | Asphalt emulsifier, mineral latex asphalt and mineral latex asphalt mixture |
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| CN101845228B (en) | 2011-11-16 |
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