CN111138976A - Colored emulsified asphalt coating and preparation method and application thereof - Google Patents
Colored emulsified asphalt coating and preparation method and application thereof Download PDFInfo
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- CN111138976A CN111138976A CN201911363494.9A CN201911363494A CN111138976A CN 111138976 A CN111138976 A CN 111138976A CN 201911363494 A CN201911363494 A CN 201911363494A CN 111138976 A CN111138976 A CN 111138976A
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- emulsified asphalt
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
- C09D195/005—Aqueous compositions, e.g. emulsions
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
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Abstract
The invention discloses a colored emulsified asphalt coating and a preparation method and application thereof, wherein the preparation method of the colored emulsified asphalt coating comprises the following steps: preparing bentonite paste from bentonite; the method comprises the following steps of (1) dividing decolored emulsified asphalt and water into a plurality of batches, and stirring bentonite paste slurry, the decolored emulsified asphalt of the first batch and the water together until a first preset time is reached to form first slurry; sequentially adding the decolored emulsified asphalt and water of each of the rest batches into the first slurry, wherein the stirring time of the decolored emulsified asphalt and the water of each of the rest batches is a second preset time, and finally forming a second slurry; adding pigment to the second slurry and stirring for a third preset time. The invention improves the bonding firmness between the coating and the base layer sprayed with the coating, so that the coating is not easy to scatter and wash, the color is maintained for a long time without fading, the maintenance workload is less, the cost is low, the environment is protected, the toxicity is low, and the pollution to human bodies and the environment is less.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a colored emulsified asphalt coating and a preparation method and application thereof.
Background
With the rapid development of society, the living standard of people is higher and higher, the requirements of people on the living environment are higher and higher, the environment in which people live is eager to be more harmonious and colorful, but the environment is decorated by adopting colorful substances (such as colorful asphalt, colorful tiles, colorful slates and the like), a large amount of colorful substances are consumed, the cost is high, and pollution (such as radiation and volatilization of toxic and harmful gases) which is not beneficial to human health can be generated in the production, decoration and use processes. The coating greatly reduces the using amount of color substances, meets the requirements of people on colorful world, has less coating materials and low pollution to human body and environment, but the existing coating is not firmly bonded with a base layer sprayed with the coating, is easy to scatter and wash, and has short service life, large maintenance workload and high maintenance cost.
Disclosure of Invention
In order to solve the problems of the prior art, the invention provides a colored emulsified asphalt coating, a preparation method and application thereof, which improve the bonding firmness between the coating and a base layer sprayed with the coating, ensure that the coating is not easy to scatter and wash away, the color is maintained for a long time without fading, the maintenance workload is less and the cost is low.
The technical scheme provided by the invention is as follows:
a colored emulsified asphalt coating comprising: decolourized emulsified asphalt, pigment, bentonite and water; the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%.
In the technical scheme, the interface tension of each component (the decolored emulsified asphalt, the pigment, the bentonite and the water) is reduced by the decolored emulsified asphalt, so that the components are mutually fused to form the emulsion-shaped coating, the pigment is uniformly dispersed, the emulsion-shaped coating can be directly sprayed, the construction is simple and convenient and is easy to realize, the colorless emulsified asphalt is firmly and reliably bonded with the base layer, the pigment is not easy to scatter or washed away by rainwater, the color maintenance time is long, the color does not fall, the maintenance workload is small, and the cost is low; better, the bentonite further improves the adhesion, covering power, water resistance, washing resistance and the like of the coating and the base layer, thereby further improving the bonding firmness and long-acting durability of the coating and the base layer; preferably, the bentonite can also purify the toxin of the coating, improve the safety and environmental protection of the coating and reduce the pollution of the coating to human bodies and the environment.
Further, the decolored emulsified asphalt comprises a decolored asphalt cement and an emulsifier, wherein the decolored asphalt cement and the emulsifier respectively account for the decolored emulsified asphalt in the following mass percent: 90-94% and 6-10%.
In the technical scheme, the emulsifier greatly improves the bonding force of the decolored asphalt cement and improves the adhesive force of the coating.
Further, the decolored asphalt binder comprises petroleum resin and rubber oil, wherein the petroleum resin and the rubber oil respectively account for the decolored asphalt binder in the following mass percent: 25-45% and 55-75%.
In the technical scheme, the petroleum resin and the rubber oil have high intermiscibility, the synthesis process is simple, the bonding force is good, and the coating is easier to process.
Further, the emulsifier is a cationic emulsifier.
In the technical scheme, the cationic emulsifier can increase the adhesion of the coating to a negatively charged base layer.
Further, the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in the following mass percent: 46-48%, 26-30%, 6-8% and 22-25%.
The invention also provides a preparation method of the colored emulsified asphalt coating, which comprises the following steps: preparing bentonite paste from bentonite; the method comprises the following steps of (1) dividing decolored emulsified asphalt and water into a plurality of batches, and stirring bentonite paste slurry, the decolored emulsified asphalt of the first batch and the water together until a first preset time is reached to form first slurry; sequentially adding the decolored emulsified asphalt and water of each of the rest batches into the first slurry, wherein the stirring time of the decolored emulsified asphalt and the water of each of the rest batches is a second preset time, and finally forming a second slurry; adding a pigment into the second slurry and stirring for a third preset time; wherein the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%.
In the technical scheme, the preparation method does not need heating, only needs to stir and mix all the components in order in batches, and is simple in processing flow and easy to implement.
Further, the preparation of the bentonite paste slurry from the bentonite comprises the following steps: preparing bentonite paste slurry from bentonite and water according to a preset proportion.
In the technical scheme, the water is low in cost and easy to obtain.
Further, the decolored emulsified asphalt comprises a decolored asphalt cement and an emulsifier, wherein the decolored asphalt cement and the emulsifier respectively account for the decolored emulsified asphalt in the following mass percent: 90-94% and 6-10%.
Further, the emulsifier is a cationic emulsifier.
The invention also discloses the application of the colored emulsified asphalt coating in the decorative surface layer.
Compared with the prior art, the colored emulsified asphalt coating and the preparation method and the application thereof have the beneficial effects that: the bonding firmness between the coating and the base layer sprayed with the coating is improved, so that the coating is not easy to scatter and wash away, the color maintenance time is long and the color does not fall off, the maintenance workload is less, the cost is low, the environment is protected, the toxicity is low, and the pollution to the human body and the environment is less.
Drawings
The above characteristics, technical features, advantages and implementation modes of a colored emulsified asphalt coating and the preparation method and the application thereof will be further described in a clear and understandable way by referring to the following description of preferred embodiments and the accompanying drawings.
FIG. 1 is a schematic flow chart of one embodiment of a method for preparing a colored emulsified asphalt coating according to the present invention;
FIG. 2 is a schematic flow chart of another embodiment of the method for preparing a colored emulsified asphalt coating according to the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
In one embodiment of the present invention, a colored emulsified asphalt coating includes: decolourized emulsified asphalt, pigment, bentonite and water; the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%. Preferably, the decolored emulsified asphalt comprises a decolored asphalt binder and an emulsifier, wherein the decolored asphalt binder and the emulsifier respectively account for the decolored emulsified asphalt in the following mass percentages: 90-94% and 6-10%. Preferably, the decolored asphalt binder comprises petroleum resin and rubber oil, and the petroleum resin and the rubber oil respectively account for the decolored asphalt binder in the following mass percentage: 25-45% and 55-75%. Preferably, the emulsifier is a cationic emulsifier.
In another embodiment of the present invention, a colored emulsified asphalt coating includes: decolourized emulsified asphalt, pigment, bentonite and water; the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%. Preferably, the decolored emulsified asphalt comprises a decolored asphalt binder and an emulsifier, wherein the decolored asphalt binder and the emulsifier respectively account for the decolored emulsified asphalt in the following mass percentages: 90-94% and 6-10%. Preferably, the decolored asphalt binder comprises petroleum resin and rubber oil, and the petroleum resin and the rubber oil respectively account for the decolored asphalt binder in the following mass percentage: 25-45% and 55-75%. Preferably, the emulsifier is an alkyl ammonium salt.
In another embodiment of the present invention, different from the above embodiments, the emulsifier in this embodiment is a quaternary ammonium salt.
In another embodiment of the present invention, unlike the above-described embodiments, the petroleum resin of the present embodiment is a C5 petroleum resin having excellent viscosity and low cost. The bentonite can remove the peculiar smell of the C5 petroleum resin, and the C5 petroleum resin has low volatility, so that the viscosity is greatly increased while the coating is ensured to be harmless, and the adhesive force of the coating is improved.
In another embodiment of the present invention, unlike the above-described embodiments, the petroleum resin of the present embodiment is a hydrogenated petroleum resin.
In one embodiment of the present invention, a colored emulsified asphalt coating includes: decolourized emulsified asphalt, pigment, bentonite and water; the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%. Preferably, the decolored emulsified asphalt comprises a decolored asphalt binder and an emulsifier, wherein the decolored asphalt binder and the emulsifier respectively account for the decolored emulsified asphalt in the following mass percentages: 90-94% and 6-10%. Preferably, the decolored asphalt binder comprises petroleum resin and rubber oil, and the petroleum resin and the rubber oil respectively account for the decolored asphalt binder in the following mass percentage: 25-45% and 55-75%. Preferably, the emulsifier is a cationic emulsifier. Preferably, the bentonite is a calcium bentonite.
In another embodiment of the present invention, unlike the above embodiments, the bentonite of this embodiment is sodium bentonite.
In another embodiment of the present invention, the rubber oil may be a fatty oil-based rubber oil, a coal tar-based rubber oil, a pine oil-based rubber oil, or a petroleum-based rubber oil, based on any of the above embodiments. When the rubber oil is petroleum rubber oil, the environment-friendly and pollution-free naphthenic rubber oil is preferable, so that the coating can be applied to external environments, such as pavements, roofs, steps and other surface layers exposed to the external environments; it can also be used in indoor environment such as wall surface and floor surface.
In another embodiment of the present invention, different from the above embodiments, the mass percentages of the decolorized emulsified asphalt, the pigment, the bentonite, and the water in the colored emulsified asphalt paint in this embodiment are: 46-48%, 26-30%, 6-8% and 22-25%. Preferably, the mass percentages of the decolored asphalt binder and the emulsifier in the decolored emulsified asphalt are respectively: 91-93% and 7-9%. Preferably, the petroleum resin and the rubber oil respectively account for the decolorized asphalt cement in percentage by mass: 30-40% and 60-70%.
In another embodiment of the present invention, different from the above embodiments, the mass percentages of the decolorized emulsified asphalt, the pigment, the bentonite, and the water in the colored emulsified asphalt paint in this embodiment are: 46%, 27%, 7% and 20%. Preferably, the mass percentages of the decolored asphalt binder and the emulsifier in the decolored emulsified asphalt are respectively: 92% and 8%. Preferably, the petroleum resin and the rubber oil respectively account for the decolorized asphalt cement in percentage by mass: 35% and 65%.
In another embodiment of the present invention, different from the above embodiments, the pigment of the present embodiment may be a single color pigment or a mixed color pigment. In practical application, the coating can be constructed at the temperature of +5 ℃.
In another embodiment of the present invention, as shown in fig. 1, a method for preparing a colored emulsified asphalt paint includes the steps of: preparing bentonite paste from bentonite; the method comprises the following steps of (1) dividing decolored emulsified asphalt and water into a plurality of batches, and stirring bentonite paste slurry, the decolored emulsified asphalt of the first batch and the water together until a first preset time is reached to form first slurry; sequentially adding the decolored emulsified asphalt and water of each of the rest batches into the first slurry, wherein the stirring time of the decolored emulsified asphalt and the water of each of the rest batches is a second preset time, and finally forming a second slurry; adding a pigment into the second slurry and stirring for a third preset time; wherein the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%.
In another embodiment of the present invention, as shown in fig. 2, a method for preparing a colored emulsified asphalt paint includes the steps of: preparing bentonite paste slurry from bentonite and water according to a preset proportion; the method comprises the following steps of (1) dividing decolored emulsified asphalt and water into a plurality of batches, and stirring bentonite paste slurry, the decolored emulsified asphalt of the first batch and the water together until a first preset time is reached to form first slurry; sequentially adding the decolored emulsified asphalt and water of each of the rest batches into the first slurry, wherein the stirring time of the decolored emulsified asphalt and the water of each of the rest batches is a second preset time, and finally forming a second slurry; adding a pigment into the second slurry and stirring for a third preset time; wherein the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%. It should be noted that the water used to form the bentonite slurry by mixing with the bentonite in this example may or may not be included in the water content of the present paint. Preferably, the preset ratio is a mass ratio and the size is 1: 1.5-1: 3, the mass of water is greater than that of bentonite.
In another embodiment of the present invention, based on any of the above embodiments, the first predetermined time is 3-5 min; the second preset time is 2-3 min; the third preset time is 4-8 min.
In another embodiment of the present invention, based on any of the above embodiments, the emulsifier is an alkyl ammonium salt.
In another embodiment of the present invention, different from the above embodiments, the emulsifier in this embodiment is a quaternary ammonium salt.
In another embodiment of the present invention, unlike the above-described embodiments, the petroleum resin of the present embodiment is a C5 petroleum resin having excellent viscosity and low cost. The bentonite can remove the peculiar smell of the C5 petroleum resin, and the C5 petroleum resin has low volatility, so that the viscosity is greatly increased while the coating is ensured to be harmless, and the adhesive force of the coating is improved.
In another embodiment of the present invention, unlike the above-described embodiments, the petroleum resin of the present embodiment is a hydrogenated petroleum resin.
In an embodiment of the present invention, different from the above embodiments, the bentonite of the embodiment is calcium bentonite.
In another embodiment of the present invention, unlike the above embodiments, the bentonite of this embodiment is sodium bentonite.
In another embodiment of the present invention, the rubber oil may be a fatty oil-based rubber oil, a coal tar-based rubber oil, a pine oil-based rubber oil, or a petroleum-based rubber oil, based on any of the above embodiments. When the rubber oil is petroleum rubber oil, the environment-friendly and pollution-free naphthenic rubber oil is preferable, so that the coating can be applied to external environments, such as pavements, roofs, steps and other surface layers exposed to the external environments; it can also be used in indoor environment such as wall surface and floor surface.
In another embodiment of the present invention, different from the above embodiments, the mass percentages of the decolorized emulsified asphalt, the pigment, the bentonite, and the water in the colored emulsified asphalt paint in this embodiment are: 46-48%, 26-30%, 6-8% and 22-25%. Preferably, the mass percentages of the decolored asphalt binder and the emulsifier in the decolored emulsified asphalt are respectively: 91-93% and 7-9%. Preferably, the petroleum resin and the rubber oil respectively account for the decolorized asphalt cement in percentage by mass: 30-40% and 60-70%.
In another embodiment of the present invention, different from the above embodiments, the mass percentages of the decolorized emulsified asphalt, the pigment, the bentonite, and the water in the colored emulsified asphalt paint in this embodiment are: 46%, 27%, 7% and 20%. Preferably, the mass percentages of the decolored asphalt binder and the emulsifier in the decolored emulsified asphalt are respectively: 92% and 8%. Preferably, the petroleum resin and the rubber oil respectively account for the decolorized asphalt cement in percentage by mass: 35% and 65%.
In another embodiment of the present invention, different from the above embodiments, the pigment of the present embodiment may be a single color pigment or a mixed color pigment. In practical application, the coating can be constructed at the temperature of +5 ℃.
In another embodiment of the invention, the colored emulsified asphalt paint is applied to a decorative road surface, so as to form a warning mark, a road lane line, an indicating mark, a reminding mark and a road surface decorative layer.
In another embodiment of the present invention, the colored emulsified asphalt paint is applied to the decorative square pavement or wall surface or indoor floor to form an artistic pattern, which can be pure color or multi-color.
In another embodiment of the invention, the colored emulsified asphalt paint is applied to decorate the step, so that the step has color.
In another embodiment of the present invention, the colored emulsified asphalt paint is applied to a decorated roof to make the roof have color, and particularly, two layers of glass fiber cloth for house roof are respectively coated with the paint for three times, so that the traditional method of two felts and three kinds of oil can be replaced, and the quality is better than that of the traditional method. The coating is thin, is easy to bond firmly especially at slopes, flashing and parapet roots or corners, has bright color without fading, is environment-friendly and nontoxic, and is very practical for families with children.
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 (10)
1. A colored emulsified asphalt coating, comprising:
decolourized emulsified asphalt, pigment, bentonite and water; the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%.
2. The colored emulsified asphalt paint as set forth in claim 1, wherein:
the decolored emulsified asphalt comprises a decolored asphalt cement and an emulsifier, wherein the decolored asphalt cement and the emulsifier respectively account for the decolored emulsified asphalt in the following mass percent: 90-94% and 6-10%.
3. The colored emulsified asphalt paint as set forth in claim 2, wherein:
the decoloration asphalt cementing material comprises petroleum resin and rubber oil, wherein the petroleum resin and the rubber oil respectively account for the decoloration asphalt cementing material in percentage by mass: 25-45% and 55-75%.
4. The colored emulsified asphalt paint as set forth in claim 2, wherein:
the emulsifier is a cationic emulsifier.
5. The colored emulsified asphalt paint as set forth in any one of claims 1 to 4, wherein:
the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 46-48%, 26-30%, 6-8% and 22-25%.
6. The preparation method of the colored emulsified asphalt coating is characterized by comprising the following steps:
preparing bentonite paste from bentonite;
the method comprises the following steps of (1) dividing decolored emulsified asphalt and water into a plurality of batches, and stirring bentonite paste slurry, the decolored emulsified asphalt of the first batch and the water together until a first preset time is reached to form first slurry; sequentially adding the decolored emulsified asphalt and water of each of the rest batches into the first slurry, wherein the stirring time of the decolored emulsified asphalt and the water of each of the rest batches is a second preset time, and finally forming a second slurry;
adding a pigment into the second slurry and stirring for a third preset time; wherein the decolored emulsified asphalt, the pigment, the bentonite and the water respectively account for the colored emulsified asphalt coating in percentage by mass: 45-50%, 25-30%, 6-8% and 20-25%.
7. The method for preparing a colored emulsified asphalt paint as claimed in claim 6, wherein said preparing bentonite into bentonite paste comprises the steps of:
preparing bentonite paste slurry from bentonite and water according to a preset proportion.
8. The method for preparing a colored emulsified asphalt paint as claimed in claim 6 or 7, wherein:
the decolored emulsified asphalt comprises a decolored asphalt cement and an emulsifier, wherein the decolored asphalt cement and the emulsifier respectively account for the decolored emulsified asphalt in the following mass percent: 90-94% and 6-10%.
9. The method for preparing a colored emulsified asphalt paint as claimed in claim 8, wherein:
the emulsifier is a cationic emulsifier.
10. Use of the colored emulsified asphalt coating according to any one of claims 1 to 5 for a decorative surface layer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471398A (en) * | 2020-06-11 | 2020-07-31 | 陕西中融交通建设有限公司 | Cold-state construction color seal material and preparation method thereof |
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