CN106832970A - A kind of asphalt modifier and its preparation method and application - Google Patents
A kind of asphalt modifier and its preparation method and application Download PDFInfo
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- CN106832970A CN106832970A CN201710003570.XA CN201710003570A CN106832970A CN 106832970 A CN106832970 A CN 106832970A CN 201710003570 A CN201710003570 A CN 201710003570A CN 106832970 A CN106832970 A CN 106832970A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention discloses a kind of asphalt modifier and its preparation method and application.A kind of asphalt modifier is made up of the component of following mass fractions：10 30 parts of SBS particles, 3 10 parts of atoleine, 13 parts of calcium silicates, 0.2 1.2 parts of stabilizer, 0.8 2 parts of surfactant, 30 40 parts of water.The stabilizer is one kind of cationic-type polyacrylamide and anion-polyacrylamide, and the surfactant is one kind of cationic surfactant, anion surfactant and nonionic surfactant.Asphalt modifier of the invention can be used to prepare cation-modified emulsified asphalt, and it has good high temperature performance, meet《Standard specification for construction and acceptance of highway asphalt pavement》Code requirement；Asphalt modifier of the invention can also be used to prepare anion-modified Emulsificated asphalt water-proof painting material, and its physical and mechanical property is excellent, and during construction spraying, curing of coatings is rapid, and the performance indications of coating are more superior, the need for can fully meeting construction.
Description
Technical field
The present invention relates to field of bitumen technology, and in particular to a kind of asphalt modifier and preparation method thereof.In addition it is of the invention
Further relate to application of the asphalt modifier in road traffic Material Field and architectural waterproof material field.
Background technology
With developing rapidly for road traffic and urban construction, pitch is used as road traffic material and architectural waterproof material
Important component, is used by substantial amounts of.But there is pitch high temperature easily to flow, low temperature easily splits, toughness and rigidity are not enough, it is strong to stretch
Spend a series of shortcomings such as poor, water resistant damage capability difference.To overcome these shortcomings, the modified of pitch is particularly important.
The pitch being modified with SBR is the larger a kind of modified pitch of usage amount in large-scale production.SBR modified pitch has
More prominent low temperature ductility, but softening point is relatively low, high-temperature stability shortcoming, and in highway in cold region, using effect is preferable, and
, there is easy aging, service life and the various problems such as does not grow in hot area and when being used as architectural waterproof material.And SBS is modified
The glutinous toughness of the low temperature of pitch and high-temperature stability increase compared with SBR modified pitch, but still undesirable, and in actual use
It was found that, with pure SBS to asphalt modification after, emulsify evaporated residue 5 DEG C of ductilities be less than 20cm, do not meet《Asphalt highway
Construction technique normalizing》Requirement.
The content of the invention
It is an object of the invention to provide a kind of asphalt modifier and its application, the pitch being modified by the asphalt modifier
Properties of product are improved, and meet the industry technology requirement of related road traffic material and architectural waterproof material.
A kind of asphalt modifier that the present invention is provided, its part is as follows according to the mass fraction：
SBS particles：10-30 parts,
Atoleine：3-10 parts,
Calcium silicates：1-3 parts,
Stabilizer：0.2-1.2 parts,
Surfactant：0.8-2 parts,
Water：30-40 parts.
The stabilizer is the one kind in cationic-type polyacrylamide and anion-polyacrylamide.
The surfactant is in cationic surfactant, anion surfactant and nonionic surfactant
One kind；Described cationic surfactant be 3,3 '-phenylimino-（Two（2- hydroxypropyls-myristyl piperidines）Bromine
Change ammonium）（BAB）；Described anion surfactant is lauryl sodium sulfate（SDS）；Described nonionic surfactant
It is sorbitan oleate（Arlacel-80）And polyoxyethylene sorbitan monooleate（Tween-80）Compounding is obtained.
The cationic-type polyacrylamide can only live with the cationic surface active agent or the non-ionic surface
Property a kind of of agent use simultaneously, the asphalt modifier of preparation is cationic asphalt modifier；The anionic polyacrylamide
Amine can only simultaneously be used with the anionic surfactant or a kind of of the nonionic surface active agent, the drip of preparation
Blue or green modifying agent is anionic asphalt modifier.
A kind of above-mentioned asphalt modifier, its preparation method is：
1. SBS particles at normal temperatures and pressures, are added in toluene fully swelling, the wherein mass ratio 2-3 of toluene and SBS:1；
2. at normal temperatures and pressures, surfactant and stabilizer are substantially dissolved in excessive water and prepare the aqueous solution, will prepared
The aqueous solution and atoleine be added in swelling good SBS, be stirred to fully emulsified, temperature control is 40- during stirring
60℃；
3. under the vacuum of 0.001-0.01Mpa, temperature control is 70-90 DEG C, steams and reclaim toluene and unnecessary water,
The SBS emulsions of latex shape are obtained；
4. add powdered calcium silicates in the SBS emulsions of obtained latex shape, be stirred make calcium silicates suspended dispersed in
In SBS emulsions, that is, obtain asphalt modifier.
The present invention has effect following prominent：
The modified emulsifying asphalt prepared through cationic asphalt modifying agent of the invention meets《Asphalt highway construction technology is advised
Model》Code requirement, with good high temperature performance, anti-fatigue performance, adhesion property, impact resistance, anti-cracking ability,
Abrasion performance ability and waterproof ability, can extend Road Service Life.
The water-repellent paint prepared through anion asphalt modifier of the invention can improve the water resistant damage capability of waterproof material,
Physical and mechanical property is excellent, and curing of coatings is rapid, and performance indications are more superior, the need for can fully meeting construction.
Specific embodiment
Experimental technique used in following embodiments is conventional method unless otherwise specified.
Material used, reagent etc. in following embodiments, unless otherwise specified, can obtain from commercial use.
A kind of asphalt modifier, the source of its part is as follows：
SBS particles are purchased from sinopec Ba Ling petro-chemical corporations, content >=99%.
Atoleine is purchased from Shanghai Chinese medicines group Co., Ltd, and chemistry is pure.
Calcium silicates is purchased from Aladdin reagent Co., Ltd, and chemistry is pure.
Cationic-type polyacrylamide is purchased from Wuxi phoenix people's environmental protection development in science and technology Co., Ltd, content >=98%.
Anion-polyacrylamide is purchased from Wuxi phoenix people's environmental protection development in science and technology Co., Ltd, content >=98%.
Lauryl sodium sulfate（SDS）Purchased from Shanghai Chinese medicines group Co., Ltd, chemistry is pure.
Sorbitan oleate（Arlacel-80）Purchased from Shanghai Chinese medicines group Co., Ltd, chemistry is pure.
Polyoxyethylene sorbitan monooleate（Tween-80）Purchased from Shanghai Chinese medicines group Co., Ltd, chemistry is pure.
Nonionic surfactant：Sorbitan oleate（Arlacel-80）With polyoxyethylene sorbitan monooleate
（Tween-80）Compounding by mixing and stirring realize.
3,3 '-phenylimino-（Two（2- hydroxypropyls-myristyl piperidines）Ammonium bromide）（BAB）Content >=98%,
Its preparation method is as follows：
At 1.25 DEG C, 24.8 g aniline, 8 mL propionic acid, 100 mL water, mixed liquor are added to stir 15 min in single-necked flask, so
After add 61.68 g epoxychloropropane, the h of stirring reaction 20；After reaction stops, stratification removes water layer, gained organic layer
Washing, is then recrystallized, suction filtration with ethyl acetate and petroleum ether, and vacuum drying obtains intermediate（I）N, N- bis-（2- hydroxyls -3-
Chloropropyl）Aniline；
2. at 65 DEG C, 19 g potassium carbonate, 20 mL acetonitriles and 11.75 g piperidines are added in there-necked flask.In the middle of 16 g
Body（I）It is dissolved in 50 mL acetonitriles, is slowly dropped into there-necked flask, stirring reaction, thin-layer chromatography is monitored without intermediate（I）Afterwards,
Continue to react 2 h；Filtering, is recrystallized, gained intermediate after being spin-dried for solvent（II）3,3, (the 2- hydroxyls of-phenylimino-two
Propylpiperdine)；
3. take during 23.65 g 1- bromo-decanes add flask and stir, by 16.8 g intermediates（II）It is dissolved in 100 mL tetrahydrofurans
In, it is added dropwise over into flask, the h of back flow reaction 48 after reaction terminates, is spin-dried for solvent, is repeatedly washed with ethyl acetate, obtains product
BAB。
Agents useful for same is originated and is required：
Water is deionized water；Acetonitrile, tetrahydrofuran, ethyl acetate, epoxychloropropane, piperidines, propionic acid are analyzes pure, purchased from state
Chemical reagent Co., Ltd of medicine group；Aniline is pure for analysis, purchased from Chinese Medicine Solution on Chemical Reagents in Shanghai company；Bromotetradecane is
Analysis is pure purchased from adamas-beta Reagent Companies；Potassium carbonate, content >=98%, purchased from Changshu chemical plant.
Specific embodiment by the following examples is described in further detail to the above of the invention again.But
It is not limited only to following embodiment.The present invention is included under above-mentioned technological thought, according to ordinary skill knowledge and strong hand
Various replacements or change that section is made, all should be included within the scope of the invention.
Embodiment 1
A kind of preparation method of cationic asphalt modifying agent is：
1. 30 parts are taken（In parts by mass, similarly hereinafter）SBS particles be added to 60 parts of toluene, swelling 1 h at room temperature；
2. take 1 part 3,3 '-phenylimino-（Two（2- hydroxypropyls-myristyl piperidines）Ammonium bromide）It is dissolved in 80 parts
In water, 1 part of cationic-type polyacrylamide is added, stirring is to sticky；
3. solution prepared by step 2 is added in the swelling SBS of step 1, while adding 10 parts of atoleine, is warming up to 50
DEG C, the h of stirring and emulsifying 1.5；
4. the emulsion for step 3 being emulsified, is warming up to 70 DEG C or so, under the vacuum of 0.001-0.01Mpa, distills out first
Benzene and about 40-50 part of water is simultaneously reclaimed, and the SBS emulsions of latex shape are obtained；
5. step 4 prepare SBS emulsions in add 2 parts of powdered calcium silicates, be stirred make calcium silicates suspended dispersed in
In SBS emulsions, that is, cationic asphalt modifier is obtained.
Embodiment 2
A kind of cationic asphalt modifying agent, its preparation method is：
1. 30 parts are taken（In parts by mass, similarly hereinafter）SBS particles be added to 60 parts of toluene, swelling 1 h at room temperature；
2. 1 part of nonionic surfactant is taken（Sorbitan oleate：Polyoxyethylene sorbitan monooleate=3：2）
（Count in mass ratio）It is dissolved in 80 parts of water, adds 1 part of cationic-type polyacrylamide, stirring is to sticky；
3. solution prepared by step 2 is added in the swelling SBS of step 1, while adding 10 parts of atoleine, is warming up to 50
DEG C, the h of stirring and emulsifying 1.5；
4. the emulsion for step 3 being emulsified, is warming up to 70 DEG C or so, under the vacuum of 0.001-0.01Mpa, distills out first
Benzene and about 40-50 part of water is simultaneously reclaimed, and the SBS emulsions of latex shape are obtained；
5. step 4 prepare SBS emulsions in add 2 parts of powdered calcium silicates, be stirred make calcium silicates suspended dispersed with
In SBS emulsions, that is, cationic asphalt modifier is obtained.
Embodiment 3
A kind of anion asphalt modifier, its preparation method is：
1. 15 parts are taken（In parts by mass, similarly hereinafter）SBS particles be added to 30 parts of toluene, swelling 1 h at room temperature；
2. the lauryl sodium sulfate for taking 1 part is dissolved in 80 parts of water, adds 0.6 part of anion-polyacrylamide, stirring
It is extremely sticky；
3. solution prepared by step 2 is added in the swelling SBS of step 1, while adding 15 parts of atoleine, is warming up to 50
DEG C, the h of stirring and emulsifying 1.5；
4. the emulsion for step 3 being emulsified, is warming up to 70 DEG C or so, under the vacuum of 0.001-0.01Mpa, distills out first
Benzene and about 40-50 part of water is simultaneously reclaimed, and the SBS emulsions of latex shape are obtained；
5. step 4 prepare SBS emulsions in add 3 parts of powdered calcium silicates, be stirred make calcium silicates suspended dispersed in
In SBS emulsions, that is, anionic asphalt modifier is obtained.
Embodiment 4
A kind of anionic asphalt modifier, its preparation method is：
1. 30 parts are taken（In parts by mass, similarly hereinafter）SBS particles be added to 60 parts of toluene, swelling 1 h at room temperature；
2. 1 part of nonionic surfactant is taken（Sorbitan oleate：Polyoxyethylene sorbitan monooleate=2：3）
（Count in mass ratio）It is dissolved in 80 parts of water, adds 1 part of anion-polyacrylamide, stirring is to sticky；
3. the solution for being prepared by step 2 is added in the swelling SBS of step 1, while adding 8 parts of atoleine, is warming up to 50 DEG C,
The h of stirring and emulsifying 1.5；
4. the emulsion for step 3 being emulsified, is warming up to 70 DEG C or so, under the vacuum of 0.001-0.01Mpa, distills out first
Benzene and about 40-50 part of water is simultaneously reclaimed, and the SBS emulsions of latex shape are obtained；
5. step 4 prepare SBS emulsions in add 2 parts of powdered calcium silicates, be stirred make calcium silicates suspended dispersed in
In SBS emulsions, that is, anionic asphalt modifier is obtained.
Application example 1
A kind of asphalt modifier prepared by embodiment 1, it is applied and is：
By 7%（By mass percentage, similarly hereinafter）A kind of cationic asphalt modifier, 1.5% cation prepared by embodiment 1
Slow breaking emulsifying agent be 3,3 '-phenylimino-（Two（2- hydroxypropyls-myristyl piperidines）Ammonium bromide）（BAB）With 33%
Hybrid Heating is warming up to 60 DEG C during water is added to mulser.In the presence of emulsifying agent, 140 DEG C of 56.5% of heat is slowly added into
Pitch and 2% powdered calcium silicates proceed by emulsion reaction, and modified emulsifying asphalt is obtained.Wherein, the rotating speed of mulser is controlled to
15000 r/min, emulsification times are controlled to 3 min.
The kind of obtained modified emulsifying asphalt is mix emulsified asphalt（BCR）, according to《Highway engineering pitch and pitch
Test mixture code》（JTG E20-2011）Test method tested, measure the modified emulsifying asphalt emulsion evaporation
5 DEG C of ductilities of residue are 22.6 cm, and 25 DEG C of needle penetrations are 70（dmm）, the softening point of emulsion evaporated residue is 63 DEG C, symbol
Close《Standard specification for construction and acceptance of highway asphalt pavement》（JTG F40-2004）The technical requirements of modified emulsifying asphalt, and can significantly improve
Summer road surface performance.
The modified emulsifying asphalt that application example 1 is obtained（BCR）Specific the performance test results with《Asphalt highway is applied
Work technical specification》（JTG F40-2004）Technical requirements standard control data be listed in table 1.
The properties of product of the application examples 1 of table 1
。
Application example 2
A kind of asphalt modifier prepared by embodiment 3, it is applied and is：
1% will be added in water（By mass percentage）Anionic emulsifier be lauryl sodium sulfate（SDS）, and add
Heat is configured to soap lye to 55 DEG C, by the soap lye for configuring and 140 DEG C of pitch according to 1:1 mass ratio mixing, through colloid mill
Speed lapping is sheared, and pitch is uniformly distributed in the aqueous solution containing appropriate emulsifying agent with fine particles state, forms emulsion,
Anionic emulsified asphalt is obtained.
Then by 100 parts（In parts by mass, similarly hereinafter）It is prepared by the anionic emulsified asphalt of above-mentioned preparation, 9 parts of embodiments 3
Anionic asphalt modifier, 0.2 part of calcium chloride（As stabilizer）, 0.2 part of diethylene glycol monobutyl ether（As film forming
Agent）30min is stirred at room temperature, it is sufficiently mixed, then through the overground formation emulsion of colloid mill, anionic modified milk is obtained final product
Change asphalt waterproofing material.
Prepared anionic modified emulsifying asphalt water-repellent paint is emulsion type asphalt waterproofing material, by properties of product point
It is L-type.
According to《Emulsified asphalt waterproofing coating》（JC/T408-2005）Test method tested, obtained sun from
The outward appearance of subtype modified emulsifying asphalt water-repellent paint meets the appearance requirement of the GB：Sample stirring after no color differnece, without gel, nothing
The standard criterion of caking, the GB met without obvious pitch thread, its physical and mechanical property, specific measurement result is listed in table 2.
The product physical and mechanical property of the application examples 2 of table 2
Claims (6)
1. a kind of asphalt modifier, it is characterised in that its constituent is as follows according to the mass fraction：
SBS particles：10-30 parts；
Atoleine：3-10 parts；
Calcium silicates：1-3 parts；
Stabilizer：0.2-1.2 parts；
Surfactant：0.8-2 parts；
Water：30-40 parts.
2. a kind of asphalt modifier according to claim 1, it is characterised in that the stabilizer is cationic polypropylene
One kind in acid amides and anion-polyacrylamide.
3. a kind of asphalt modifier according to claim 1, it is characterised in that the surfactant is cationic surface
One kind in activating agent, anion surfactant and nonionic surfactant.
4. a kind of asphalt modifier according to claim 2 and 3, it is characterised in that the cationic-type polyacrylamide
Can only simultaneously be used with the cationic surface active agent or a kind of of the nonionic surfactant, the pitch of preparation changes
Property agent be cationic asphalt modifier；The anion-polyacrylamide can only with the anionic surfactant or
The a kind of of the nonionic surface active agent uses simultaneously, and the asphalt modifier of preparation is anionic asphalt modifier.
5. a kind of asphalt modifier according to claim 3, it is characterised in that cationic surfactant is 3,3 '-phenyl
Imino group-（Two（2- hydroxypropyls-myristyl piperidines）Ammonium bromide）；Anion surfactant is lauryl sodium sulfate；
Nonionic surfactant is that sorbitan oleate and polyoxyethylene sorbitan monooleate compounding are obtained.
6. a kind of preparation method of the asphalt modifier according to claim 1-5, it is characterised in that the preparation method bag
Include following steps：
（1）At normal temperatures and pressures, SBS particles are added to toluene, abundant swelling, the wherein mass ratio 2- of toluene and SBS particles
3:1；
（2）At normal temperatures and pressures, surfactant and stabilizer are completely dissolved in excessive water and are made the aqueous solution, by what is prepared
The aqueous solution and atoleine are all added in swelling good SBS, are stirred and fully emulsified, and temperature control is 40- during stirring
60℃；
（3）Under the vacuum of 0.001-0.01Mpa, temperature control is 70-90 DEG C, steams and reclaim toluene and unnecessary water,
The SBS emulsions of latex shape are obtained；
（4）Add powdered calcium silicates in the SBS emulsions of obtained latex shape, be stirred make calcium silicates suspended dispersed in
In SBS emulsions, that is, obtain asphalt modifier.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710003570.XA CN106832970A (en) | 2017-01-04 | 2017-01-04 | A kind of asphalt modifier and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710003570.XA CN106832970A (en) | 2017-01-04 | 2017-01-04 | A kind of asphalt modifier and its preparation method and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608810A (en) * | 2018-10-31 | 2019-04-12 | 宁波万盛实业有限公司 | A kind of thermoplastic elastomer (TPE) |
| CN115073929A (en) * | 2022-07-29 | 2022-09-20 | 上海城建日沥特种沥青有限公司 | High-durability high-viscosity modified asphalt, preparation method thereof and asphalt mixture |
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| CN1618862A (en) * | 2004-09-06 | 2005-05-25 | 山西省交通科学研究院 | Manufacturing method of liquid asphalt modifier |
| CN101508848A (en) * | 2009-03-18 | 2009-08-19 | 广州路翔股份有限公司 | Modified emulsified asphalt, production method and CA mortar comprising the emulsified asphalt |
| CN103965492A (en) * | 2014-04-23 | 2014-08-06 | 安徽路达泰克沥青新材料有限公司 | Method for preparing low-temperature cross-linked emulsified SBS pitch modifier |
| CN105315471A (en) * | 2015-11-25 | 2016-02-10 | 北京东方雨虹防水技术股份有限公司 | Emulsified SBS modified asphalt and reparation method thereof, waterproof coating and reparation method thereof |
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2017
- 2017-01-04 CN CN201710003570.XA patent/CN106832970A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1618862A (en) * | 2004-09-06 | 2005-05-25 | 山西省交通科学研究院 | Manufacturing method of liquid asphalt modifier |
| CN101508848A (en) * | 2009-03-18 | 2009-08-19 | 广州路翔股份有限公司 | Modified emulsified asphalt, production method and CA mortar comprising the emulsified asphalt |
| CN103965492A (en) * | 2014-04-23 | 2014-08-06 | 安徽路达泰克沥青新材料有限公司 | Method for preparing low-temperature cross-linked emulsified SBS pitch modifier |
| CN105315471A (en) * | 2015-11-25 | 2016-02-10 | 北京东方雨虹防水技术股份有限公司 | Emulsified SBS modified asphalt and reparation method thereof, waterproof coating and reparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608810A (en) * | 2018-10-31 | 2019-04-12 | 宁波万盛实业有限公司 | A kind of thermoplastic elastomer (TPE) |
| CN115073929A (en) * | 2022-07-29 | 2022-09-20 | 上海城建日沥特种沥青有限公司 | High-durability high-viscosity modified asphalt, preparation method thereof and asphalt mixture |
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Application publication date: 20170613 |