CN111100466A - Water-type epoxy resin modified emulsified asphalt, preparation method and application - Google Patents
Water-type epoxy resin modified emulsified asphalt, preparation method and application Download PDFInfo
- Publication number
- CN111100466A CN111100466A CN201911355199.9A CN201911355199A CN111100466A CN 111100466 A CN111100466 A CN 111100466A CN 201911355199 A CN201911355199 A CN 201911355199A CN 111100466 A CN111100466 A CN 111100466A
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- China
- Prior art keywords
- epoxy resin
- water
- emulsified asphalt
- type epoxy
- modified emulsified
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Civil Engineering (AREA)
- Epoxy Resins (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a preparation method of water-type epoxy resin modified emulsified asphalt, which comprises the following steps: s1, uniformly mixing the water-based epoxy resin and the water-based epoxy resin curing agent to form a water-based epoxy resin mixed solution; and S2, adding the aqueous epoxy resin mixed solution into the emulsified asphalt and uniformly mixing to form the water-type epoxy resin modified emulsified asphalt. The waterborne epoxy resin can improve the adhesiveness, the tensile strength and the shear strength of the emulsified asphalt. Meanwhile, the adhesiveness of the asphalt is improved, the viscosity is increased, the rigidity and the strength are increased, and the aqueous epoxy resin modified emulsified asphalt mixture has excellent wear resistance and water damage resistance.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to water-type epoxy resin modified emulsified asphalt, a preparation method and application.
Background
With the rapid growth of national economy in China, the load capacity of automobiles is increased, and the traffic volume is increased sharply, so that the asphalt surface layer is damaged by ruts, cracks and the like. Therefore, the method improves the pavement maintenance technology, develops a novel pavement patching material, and has important social benefits and social values.
The emulsified asphalt is used as a pavement repairing cementing material, has the advantages of convenient and fast working procedures, low carbon consumption reduction, environmental friendliness and the like, is rapidly developed in the aspects of production and practical application at present, and can be respectively applied to a seal coat, a permeable coat and a sticky coat according to different functions. However, the common emulsified asphalt has the defects of small cohesive force, poor elasticity and the like, so that the use and popularization of the common emulsified asphalt as an asphalt pavement repairing technology are limited.
Therefore, improving the properties of the emulsified asphalt, such as binding power, stability, elastic recovery capability, deformation resistance, and the like, becomes a problem to be solved for application and popularization of the emulsified asphalt.
Disclosure of Invention
The invention aims to provide a water-based epoxy resin modified emulsified asphalt, a preparation method and application thereof, wherein the water-based epoxy resin can improve the adhesiveness, the tensile strength and the shear strength of the emulsified asphalt. Meanwhile, the adhesiveness of the asphalt is improved, the viscosity is increased, the rigidity and the strength are increased, and the aqueous epoxy resin modified emulsified asphalt mixture has excellent wear resistance and water damage resistance.
The technical scheme provided by the invention is as follows:
a preparation method of water-type epoxy resin modified emulsified asphalt comprises the following steps:
s1, uniformly mixing the water-based epoxy resin and the water-based epoxy resin curing agent to form a water-based epoxy resin mixed solution;
and S2, adding the aqueous epoxy resin mixed solution into the emulsified asphalt and uniformly mixing to form the water-type epoxy resin modified emulsified asphalt.
Further preferably, the ratio of the aqueous epoxy resin to the aqueous epoxy resin curing agent in the step S1 is 1:1.5 to 3.0.
Further preferably, in the step S2, the aqueous epoxy resin mixed solution is added to the emulsified asphalt at a mixing amount of 30%.
Further preferably, the emulsified asphalt in the step S2 is cationic.
The invention also provides the water-type epoxy resin modified emulsified asphalt prepared by the preparation method.
The invention also discloses an application of the water-type epoxy resin modified emulsified asphalt, and the water-type epoxy resin modified emulsified asphalt is mixed with the mixed aggregate and mineral powder for use when being applied to pavement preparation.
The invention can bring the following beneficial effects:
the waterborne epoxy resin provided by the invention can improve the adhesiveness, tensile strength and shear strength of emulsified asphalt. Meanwhile, an interpenetrating structure is formed by a three-dimensional network structure condensate of the aqueous epoxy resin which is subjected to curing reaction and the asphalt cement, so that the asphalt adhesiveness is improved, the viscosity is increased, the rigidity and the strength are increased, and the aqueous epoxy resin modified emulsified asphalt mixture has excellent wear resistance and water damage resistance. In the application of experimental engineering, when the water-based epoxy emulsified asphalt is applied to a waterproof bonding layer, the construction is simple and convenient, the waterproof effect is obvious, and the water-based epoxy emulsified asphalt plays an important innovative role in road construction and maintenance in China.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
The embodiment is a preparation method of water-type epoxy resin modified emulsified asphalt, which comprises the following steps:
s1, uniformly mixing the water-based epoxy resin and the water-based epoxy resin curing agent to form a water-based epoxy resin mixed solution;
and S2, adding the aqueous epoxy resin mixed solution into the emulsified asphalt and uniformly mixing to form the water-type epoxy resin modified emulsified asphalt.
As another preferred embodiment, the ratio of the water-based epoxy resin to the water-based epoxy resin curing agent in step S1 is 1:1.5 to 3.0.
As another preferred embodiment, in step S2, the aqueous epoxy resin mixed solution is added to the emulsified asphalt at a mixing amount of 30%.
As another preferred embodiment, the emulsified asphalt in step S2 is cationic.
Along with the deep development of the modern chemical theory of colloid interface, the emulsification mechanism is deeply analyzed, so that various emulsifiers are presented, and the corresponding emulsifiers can be optimized according to the application difference, thereby greatly accelerating the research and development process of the emulsified asphalt. The epoxy resin has the advantages of excellent adhesion, small shrinkage, large creep resistance, proper compatibility and the like, so that the epoxy resin is used for making up the defects of low adhesion, low strength and the like of the common emulsified asphalt and has very important research value.
Example 2
The water-type epoxy resin modified emulsified asphalt can be prepared by the method of example 1. The waterborne epoxy resin can improve the adhesiveness, the tensile strength and the shear strength of the emulsified asphalt. Meanwhile, an interpenetrating structure is formed by a three-dimensional network structure condensate of the aqueous epoxy resin which is subjected to curing reaction and the asphalt cement, so that the asphalt adhesiveness is improved, the viscosity is increased, the rigidity and the strength are increased, and the aqueous epoxy resin modified emulsified asphalt mixture has excellent wear resistance and water damage resistance.
Example 3
The water-type epoxy resin modified emulsified asphalt can be prepared by the method of the embodiment 1, and the obtained water-type epoxy resin modified emulsified asphalt can be applied to paving a pavement; when the aggregate is applied to pavement preparation, the aggregate and mineral powder are mixed for use. In the application of experimental engineering, when the water-based epoxy emulsified asphalt is applied to a waterproof bonding layer, the construction is simple and convenient, the waterproof effect is obvious, and the water-based epoxy emulsified asphalt plays an important innovative role in road construction and maintenance in China.
Application example 1
The embodiment is a preparation method of water-type epoxy resin modified emulsified asphalt, which comprises the following steps:
s1, uniformly mixing the waterborne epoxy resin and the waterborne epoxy resin curing agent in a ratio of 1:1.5 in the field construction process;
s2, adding the aqueous epoxy resin mixed solution into emulsified asphalt according to the mixing amount of 30%, and uniformly mixing, wherein the emulsified asphalt is selected to be cationic;
wherein the proportion of the waterborne epoxy resin curing agent is determined according to the field operation time, and the longer the operation time is, the higher the proportion of the curing agent is.
The water-type epoxy resin modified emulsified asphalt prepared in the embodiment can be applied to paving a pavement; when the aggregate is applied to pavement preparation, the aggregate and mineral powder are mixed for use.
Application example 2
The embodiment is a preparation method of water-type epoxy resin modified emulsified asphalt, which comprises the following steps:
s1, uniformly mixing the waterborne epoxy resin and the waterborne epoxy resin curing agent in a ratio of 1:3.0 in the field construction process;
s2, adding the aqueous epoxy resin mixed solution into emulsified asphalt according to the mixing amount of 30%, and uniformly mixing, wherein the emulsified asphalt is selected to be cationic;
wherein the proportion of the waterborne epoxy resin curing agent is determined according to the field operation time, and the longer the operation time is, the higher the proportion of the curing agent is.
The water-type epoxy resin modified emulsified asphalt prepared in the embodiment can be applied to paving a pavement; when the aggregate is applied to pavement preparation, the aggregate and mineral powder are mixed for use.
Application example 3
The embodiment is a preparation method of water-type epoxy resin modified emulsified asphalt, which comprises the following steps:
s1, uniformly mixing the waterborne epoxy resin and the waterborne epoxy resin curing agent in a ratio of 1:2 in the field construction process;
s2, adding the aqueous epoxy resin mixed solution into emulsified asphalt according to the mixing amount of 30%, and uniformly mixing, wherein the emulsified asphalt is selected to be cationic;
wherein the proportion of the waterborne epoxy resin curing agent is determined according to the field operation time, and the longer the operation time is, the higher the proportion of the curing agent is.
The water-type epoxy resin modified emulsified asphalt prepared in the embodiment can be applied to paving a pavement; when the aggregate is applied to pavement preparation, the aggregate and mineral powder are mixed for use.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The preparation method of the water-type epoxy resin modified emulsified asphalt is characterized by comprising the following steps:
s1, uniformly mixing the water-based epoxy resin and the water-based epoxy resin curing agent to form a water-based epoxy resin mixed solution;
and S2, adding the aqueous epoxy resin mixed solution into the emulsified asphalt and uniformly mixing to form the water-type epoxy resin modified emulsified asphalt.
2. The method for producing a water-type epoxy resin-modified emulsified asphalt as claimed in claim 1, wherein:
the proportion of the waterborne epoxy resin and the waterborne epoxy resin curing agent in the step S1 is 1:1.5 to 3.0.
3. The method for producing a water-type epoxy resin-modified emulsified asphalt according to claim 1 or 2, characterized in that:
and in the step S2, adding the aqueous epoxy resin mixed solution into the emulsified asphalt according to the mixing amount of 30%.
4. The method for producing a water-type epoxy resin-modified emulsified asphalt as claimed in claim 3, wherein:
the emulsified asphalt in the step S2 is cationic.
5. A water type epoxy resin modified emulsified asphalt is characterized in that: the preparation method of any one of claims 1 to 4.
6. The application of the water-type epoxy resin modified emulsified asphalt is characterized in that: a water type epoxy resin modified emulsified asphalt as claimed in claim 5, which is used by mixing with the mixed aggregate and mineral powder when applied to road surface preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355199.9A CN111100466A (en) | 2019-12-25 | 2019-12-25 | Water-type epoxy resin modified emulsified asphalt, preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355199.9A CN111100466A (en) | 2019-12-25 | 2019-12-25 | Water-type epoxy resin modified emulsified asphalt, preparation method and application |
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| CN111100466A true CN111100466A (en) | 2020-05-05 |
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| CN201911355199.9A Pending CN111100466A (en) | 2019-12-25 | 2019-12-25 | Water-type epoxy resin modified emulsified asphalt, preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114213974A (en) * | 2021-12-24 | 2022-03-22 | 上海浦东路桥(集团)有限公司 | Road surface luminous paint and construction method thereof |
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| CN102618045A (en) * | 2012-03-30 | 2012-08-01 | 重庆融极环保工程有限公司 | Waterborne epoxy resin modified emulsified asphalt and preparation and application thereof |
| CN103951323A (en) * | 2014-04-17 | 2014-07-30 | 交通运输部公路科学研究所 | Reinforced emulsified asphalt concrete for roads and preparation method of concrete |
| CN104556906A (en) * | 2014-12-31 | 2015-04-29 | 孙政 | Worn ultrathin road surface material and preparation method thereof |
| CN105731908A (en) * | 2016-01-11 | 2016-07-06 | 北京建筑大学 | Design method of epoxy resin modified emulsified asphalt mixture |
| CN108727842A (en) * | 2018-06-01 | 2018-11-02 | 长安大学 | A kind of emulsified asphalt and preparation method, stability and durability type cement pavement slurry seal Sub-sealing Course and preparation method thereof |
| CN109320979A (en) * | 2018-09-27 | 2019-02-12 | 河海大学 | A kind of preparation method and applications for the retinasphal lotion improving acid stone and asphalt adhesion |
| CN110282909A (en) * | 2019-05-28 | 2019-09-27 | 南通福伦利新材料有限公司 | A kind of cold mixing material of epoxy-modified emulsified asphalt and preparation method thereof |
-
2019
- 2019-12-25 CN CN201911355199.9A patent/CN111100466A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618045A (en) * | 2012-03-30 | 2012-08-01 | 重庆融极环保工程有限公司 | Waterborne epoxy resin modified emulsified asphalt and preparation and application thereof |
| CN103951323A (en) * | 2014-04-17 | 2014-07-30 | 交通运输部公路科学研究所 | Reinforced emulsified asphalt concrete for roads and preparation method of concrete |
| CN104556906A (en) * | 2014-12-31 | 2015-04-29 | 孙政 | Worn ultrathin road surface material and preparation method thereof |
| CN105731908A (en) * | 2016-01-11 | 2016-07-06 | 北京建筑大学 | Design method of epoxy resin modified emulsified asphalt mixture |
| CN108727842A (en) * | 2018-06-01 | 2018-11-02 | 长安大学 | A kind of emulsified asphalt and preparation method, stability and durability type cement pavement slurry seal Sub-sealing Course and preparation method thereof |
| CN109320979A (en) * | 2018-09-27 | 2019-02-12 | 河海大学 | A kind of preparation method and applications for the retinasphal lotion improving acid stone and asphalt adhesion |
| CN110282909A (en) * | 2019-05-28 | 2019-09-27 | 南通福伦利新材料有限公司 | A kind of cold mixing material of epoxy-modified emulsified asphalt and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114213974A (en) * | 2021-12-24 | 2022-03-22 | 上海浦东路桥(集团)有限公司 | Road surface luminous paint and construction method thereof |
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Application publication date: 20200505 |
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