CN109627798A - A kind of enhancing blending type butadiene-styrene rubber modified emulsifying asphalt and preparation method thereof - Google Patents
A kind of enhancing blending type butadiene-styrene rubber modified emulsifying asphalt and preparation method thereof Download PDFInfo
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- CN109627798A CN109627798A CN201811632655.5A CN201811632655A CN109627798A CN 109627798 A CN109627798 A CN 109627798A CN 201811632655 A CN201811632655 A CN 201811632655A CN 109627798 A CN109627798 A CN 109627798A
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- butadiene
- styrene rubber
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of enhancing blending type butadiene-styrene rubber modified emulsifying asphalts and preparation method thereof, wherein modified emulsifying asphalt includes the component of following parts by weight: 55~60 parts of matrix pitch, 2~4 parts of butadiene-styrene rubber, 3~5 parts of reinforcing agent, 0.2~0.5 part of stabilizer, 1~2 part of emulsifier, 1~2 part of regulating acid agent and 28~35 parts of water.The present invention is added reinforcing agent, stabilizer, emulsifier and regulating acid agent, effectively improves indices on the basis of matrix pitch and butadiene-styrene rubber, can substantially reduce road surface building stones fall off, loose destruction risk, extend the service life on road surface.
Description
Technical field
The present invention relates to highway asphalt field of material technology, and in particular to a kind of enhancing blending type butadiene-styrene rubber modified emulsifying
Pitch and preparation method.
Background technique
Emulsified asphalt is widely present in highway construction, it is mainly distributed on asphalt pavement structure as a kind of road-making material
Adhesion coating, in sealing and cold-mix asphalt mixture, emulsified asphalt is generally divided into common emulsified asphalt and modified emulsifying asphalt, modified
Emulsified asphalt is that modifying agent is added on the basis of common emulsified asphalt to be made, and performance is substantially mentioned than common emulsified asphalt
It is high.
However, as the requirement to highway durability, safety, comfort improves, our property to modified emulsifying asphalt
It can require also to be continuously improved, technology is endless.Currently, in engineering there are two types of the modifying agent of production modified emulsifying asphalt: SBR
(butadiene-styrene rubber) and SBS (one fourth of styrene=alkene, one styrene block copolymer).Make the modified milk of modifying agent production using SBS
Change pitch, softening point is high, and function admirable is able to satisfy the traffic requirement of highway harshness, but since SBS modified emulsifying asphalt is being made
Since viscosity is big when making, it is difficult to grind, while the reasons such as poor storage stability, cause SBS modified emulsifying asphalt at present still without
Method promotes the use of a large area.At this stage mainly based on SBR modified emulsifying asphalt, mainly benefit SBR modified emulsifying asphalt is easy for this
In production, the features such as performance is stable, convenient to use.
SBR makees modifying agent, and there is also certain deficiencies for produced asphaltic products, shows degree of drawing in viscous toughness test
Lower, in addition softening point is also low, the modified emulsifying asphalt made with it, the softening point of evaporated residue be generally difficult to be more than
63 DEG C, at the same it is low plus tensile strength, and directly performance is that building stones fall off, loosely on highway, leads to pavement destruction.
In view of this, being badly in need of improving existing SBR asphalt pavement material, to improve viscous toughness.
Summary of the invention
The technical problem to be solved by the present invention is to existing SBR asphalt pavement materials to glue poor toughness, asking of being easily damaged
Topic.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that providing a kind of enhancing blending type butylbenzene rubber
Glue modified emulsifying asphalt, the component including following parts by weight: 55~60 parts of matrix pitch, 2~4 parts of butadiene-styrene rubber, 3~
5 parts of reinforcing agent, 0.2~0.5 part of stabilizer, 1~2 part of emulsifier, 1~2 part of regulating acid agent and 28~35 parts of water.
In another preferred embodiment, the component including following parts by weight: 55 parts of matrix pitch, 2 parts of fourth
Benzene rubber, 4.7 parts of reinforcing agent, 0.3 part of stabilizer, 1 part of emulsifier, 2 parts of regulating acid agent and 35 parts of water.
In another preferred embodiment, the component including following parts by weight: 56 parts of matrix pitch, 4 parts of fourth
Benzene rubber, 3 parts of reinforcing agent, 0.5 part of stabilizer, 2 parts of emulsifier, 1.5 parts of regulating acid agent and 33 parts of water.
In another preferred embodiment, the component including following parts by weight: 58 parts of matrix pitch, 3.5 parts
Butadiene-styrene rubber, 5 parts of reinforcing agent, 0.5 part of stabilizer, 2 parts of emulsifier, 2 parts of regulating acid agent and 29 parts of water.
In another preferred embodiment, the component including following parts by weight: 60 parts of matrix pitch, 3.3 parts
Butadiene-styrene rubber, 5 parts of reinforcing agent, 0.2 part of stabilizer, 1.5 parts of emulsifier, 1 part of regulating acid agent and 28 parts of water.
In another preferred embodiment, the matrix pitch is No. 70 or No. 90 road matrix pitches, the butylbenzene
Rubber is emulsion polymerized styrene butadiene rubber, and the reinforcing agent is the product that both the dilute resin of terpene and modified rosin resin react, the emulsification
Agent is quaternary or alkyl amine type cationic emulsifier, and the stabilizer includes but is not limited to calcium chloride, carboxymethyl cellulose
Sodium etc., the regulating acid agent are hydrochloric acid.
The present invention also provides a kind of preparation methods for enhancing blending type butadiene-styrene rubber modified emulsifying asphalt, including following step
It is rapid:
Matrix pitch is warming up to 135~155 DEG C, reinforcing agent is added, stirs 30 under the speed of 500~1000r/min
~40min, is substantially dissolved in reinforcing agent in matrix pitch；
The temperature of water is risen to 82~88 DEG C, stabilizer, emulsifier, butadiene-styrene rubber is sequentially added, stirs while adding, make
Be substantially dissolved in water, be eventually adding regulating acid agent, stir evenly, obtain soap lye, and make 52~58 DEG C of soap lye temperature, pH value
It is 1~3；
Mulser is started, the matrix pitch containing reinforcing agent is synchronous with soap lye to enter colloid mill, makes matrix pitch with particle
Formation be evenly dispersed in soap lye, form emulsified asphalt finished product to temperature natural cooling.
Compared with prior art, of the invention, on the basis of matrix pitch and butadiene-styrene rubber, be added reinforcing agent, stabilizer,
Emulsifier and regulating acid agent, effectively improve indices, can substantially reduce road surface building stones fall off, loose destruction risk, prolong
The service life on road surface is grown.
Specific embodiment
The present invention provides a kind of enhancing blending type butadiene-styrene rubber modified emulsifying asphalt and preparation methods, can substantially reduce
Road surface building stones fall off, loose destruction risk, extend the service life on road surface.With reference to embodiment to the present invention
It is described in detail.
One, a kind of enhancing blending type butadiene-styrene rubber modified emulsifying asphalt provided by the invention, including following parts by weight
Component: 55~60 parts of matrix pitch, 2~4 parts of butadiene-styrene rubber, 3~5 parts of reinforcing agent, 0.2~0.5 part of stabilizer, 1
~2 parts of emulsifier, 1~2 part of regulating acid agent and 28~35 parts of water.
Following examples can be used in the present invention:
Embodiment one
Using the component of following parts by weight: 55 parts of matrix pitch, 2 parts of butadiene-styrene rubber, 4.7 parts of reinforcing agent, 0.3
The stabilizer of part, 1 part of emulsifier, 2 parts of regulating acid agent and 35 parts of water.
Embodiment two
Using the component of following parts by weight: 56 parts of matrix pitch, 4 parts of butadiene-styrene rubber, 3 parts of reinforcing agent, 0.5 part
Stabilizer, 2 parts of emulsifier, 1.5 parts of regulating acid agent and 33 parts of water.
Embodiment three
Using the component of following parts by weight: 58 parts of matrix pitch, 3.5 parts of butadiene-styrene rubber, 5 parts of reinforcing agent, 0.5
The stabilizer of part, 2 parts of emulsifier, 2 parts of regulating acid agent and 29 parts of water.
Example IV
Using the component of following parts by weight: 60 parts of matrix pitch, 3.3 parts of butadiene-styrene rubber, 5 parts of reinforcing agent, 0.2
The stabilizer of part, 1.5 parts of emulsifier, 1 part of regulating acid agent and 28 parts of water.
Wherein matrix pitch is No. 70 or No. 90 road matrix pitches, butadiene-styrene rubber are emulsion polymerized styrene butadiene rubber, and reinforcing agent is
The product that both the dilute resin of terpene and modified rosin resin react, emulsifier are quaternary or alkyl amine type cationic emulsifier,
Stabilizer includes but is not limited to calcium chloride, sodium carboxymethylcellulose etc., and regulating acid agent is hydrochloric acid.
In reinforcing agent, terpene resin is some thermoplastic block copolymers shallow, low smell, high rigidity, high attachment with color
The advantages that power, inoxidizability and thermal stability are good, compatibility and good dissolubility, special SIS system, EVA system, in the thermosols such as SBS system
With excellent compatibility and weatherability and Efficient Adhesive Promotion.Modified rosin resin obtains extensively in industries such as coating, ink, adhesive
General application.
Emulsifier is used to improve the dissolution evenness of solution, and stabilizer can effectively avoid the problems such as settling, regulating acid agent
For keeping whole pH value.
Two, the present invention also provides the preparation methods of above-mentioned enhancing blending type butadiene-styrene rubber modified emulsifying asphalt, including with
Lower step:
Matrix pitch is warming up to 135~155 DEG C, reinforcing agent is added, stirs 30 under the speed of 500~1000r/min
~40min, is substantially dissolved in reinforcing agent in matrix pitch；
The temperature of water is risen to 82~88 DEG C, stabilizer, emulsifier, butadiene-styrene rubber is sequentially added, stirs while adding, make
Be substantially dissolved in water, be eventually adding regulating acid agent, stir evenly, obtain soap lye, and make 52~58 DEG C of soap lye temperature, pH value
It is 1~3；
Mulser is started, the matrix pitch containing reinforcing agent is synchronous with soap lye to enter colloid mill, makes matrix pitch with particle
Formation be evenly dispersed in soap lye, form emulsified asphalt finished product to temperature natural cooling.
Three, embodiment is tested and assessed
It by aforementioned four embodiment according to above-mentioned preparation method finished product, and is detected, data preparation is formed down
Table:
| Performance indicator | Test case 1 | Test case 2 | Test case 3 | Test case 4 |
| Softening point (DEG C) | 66 | 70 | 74 | 78 |
| Viscous toughness (Nm) | 6.1 | 6.9 | 7.8 | 8.2 |
| Pull strength (Mpa) | 0.9 | 1.0 | 1.2 | 1.3 |
The emulsified asphalt made by above method, in addition to being able to satisfy China " asphalt highway technical specification "
In (JTGF40~2004) outside modified emulsifying asphalt (BCR) technical requirements, evaporated residue can also reach following index: 1. soft
Change 65~80 DEG C of point, 2. glues 5.0~8.5Nm of toughness, 3. 0.8~1.5Mpa of road surface pull strength.
Reinforcing agent, stabilizer, emulsifier and regulating acid agent is added on the basis of matrix pitch and butadiene-styrene rubber in the present invention,
Effectively improve indices, can substantially reduce road surface building stones fall off, loose destruction risk, extend road surface use the longevity
Life.
The invention is not limited to above-mentioned preferred forms, and anyone should learn that is made under the inspiration of the present invention
Structure change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Claims (7)
1. a kind of enhancing blending type butadiene-styrene rubber modified emulsifying asphalt, which is characterized in that the component including following parts by weight: 55
~60 parts of matrix pitch, 2~4 parts of butadiene-styrene rubber, 3~5 parts of reinforcing agent, 0.2~0.5 part of stabilizer, 1~2 part
Emulsifier, 1~2 part of regulating acid agent and 28~35 parts of water.
2. enhancing blending type butadiene-styrene rubber modified emulsifying asphalt according to claim 1, which is characterized in that including following heavy
Measure the component of number: 55 parts of matrix pitch, 2 parts of butadiene-styrene rubber, 4.7 parts of reinforcing agent, 0.3 part of stabilizer, 1 part of cream
Agent, 2 parts of regulating acid agent and 35 parts of water.
3. enhancing blending type butadiene-styrene rubber modified emulsifying asphalt according to claim 1, which is characterized in that including following heavy
Measure the component of number: 56 parts of matrix pitch, 4 parts of butadiene-styrene rubber, 3 parts of reinforcing agent, 0.5 part of stabilizer, 2 parts of emulsification
Agent, 1.5 parts of regulating acid agent and 33 parts of water.
4. enhancing blending type butadiene-styrene rubber modified emulsifying asphalt according to claim 1, which is characterized in that including following heavy
Measure the component of number: 58 parts of matrix pitch, 3.5 parts of butadiene-styrene rubber, 5 parts of reinforcing agent, 0.5 part of stabilizer, 2 parts of cream
Agent, 2 parts of regulating acid agent and 29 parts of water.
5. enhancing blending type butadiene-styrene rubber modified emulsifying asphalt according to claim 1, which is characterized in that including following heavy
The component of amount number: 60 parts of matrix pitch, 3.3 parts of butadiene-styrene rubber, 5 parts of reinforcing agent, 0.2 part of stabilizer, 1.5 parts
Emulsifier, 1 part of regulating acid agent and 28 parts of water.
6. enhancing blending type butadiene-styrene rubber modified emulsifying asphalt according to claim 1, which is characterized in that the matrix drip
Blueness be No. 70 or No. 90 road matrix pitches, the butadiene-styrene rubber be emulsion polymerized styrene butadiene rubber, the reinforcing agent be the dilute resin of terpene with
The product of both modified rosin resins reaction, the emulsifier are quaternary or alkyl amine type cationic emulsifier, described steady
Determining agent includes but is not limited to calcium chloride, sodium carboxymethylcellulose etc., and the regulating acid agent is hydrochloric acid.
7. the preparation method of enhancing blending type butadiene-styrene rubber modified emulsifying asphalt as described in claim 1, which is characterized in that packet
Include following steps:
Matrix pitch is warming up to 135~155 DEG C, reinforcing agent is added, stir 30 under the speed of 500~1000r/min~
40min is substantially dissolved in reinforcing agent in matrix pitch；
The temperature of water is risen to 82~88 DEG C, stabilizer, emulsifier, butadiene-styrene rubber is sequentially added, stirs while adding, is allowed to fill
Divide and be dissolved in water, is eventually adding regulating acid agent, stirs evenly, obtain soap lye, and make 52~58 DEG C of soap lye temperature, pH value 1
~3；
Mulser is started, the matrix pitch containing reinforcing agent is synchronous with soap lye to enter colloid mill, makes matrix pitch with the shape of particle
At being evenly dispersed in soap lye, emulsified asphalt finished product is formed to temperature natural cooling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811632655.5A CN109627798A (en) | 2018-12-29 | 2018-12-29 | A kind of enhancing blending type butadiene-styrene rubber modified emulsifying asphalt and preparation method thereof |
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| CN201811632655.5A CN109627798A (en) | 2018-12-29 | 2018-12-29 | A kind of enhancing blending type butadiene-styrene rubber modified emulsifying asphalt and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114292524A (en) * | 2021-12-24 | 2022-04-08 | 贵州黔和物流有限公司 | Super micro-surfacing emulsified asphalt |
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