CN114163826A - Color-paved cementing material and preparation method and application thereof - Google Patents

Color-paved cementing material and preparation method and application thereof Download PDF

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CN114163826A
CN114163826A CN202010952217.8A CN202010952217A CN114163826A CN 114163826 A CN114163826 A CN 114163826A CN 202010952217 A CN202010952217 A CN 202010952217A CN 114163826 A CN114163826 A CN 114163826A
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color
extraction
petroleum
cementing material
paving
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宁爱民
刘树华
徐青柏
范思远
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Sinopec Dalian Petrochemical Research Institute Co ltd
China Petroleum and Chemical Corp
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China Petroleum and Chemical Corp
Sinopec Dalian Research Institute of Petroleum and Petrochemicals
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/003Oil-based binders, e.g. containing linseed oil
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
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    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
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    • C08L57/00Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C08L57/02Copolymers of mineral oil hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075Uses not provided for elsewhere in C04B2111/00 for road construction
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/80Optical properties, e.g. transparency or reflexibility
    • C04B2111/82Coloured materials
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Abstract

The invention provides a color-paved cementing material and a preparation method and application thereof. The color-paved cementing material is petroleum-based color-paved cementing material, and is prepared by extracting petroleum residual oil serving as a raw material. The petroleum-based color-paving cementing material can be independently used for paving construction of color pavements, and can also be applied after being compounded with thermoplastic resin color-paving cementing materials, so that excellent color-paving cementing materials with color development, aging resistance and economy can be obtained.

Description

Color-paved cementing material and preparation method and application thereof
Technical Field
The invention relates to a cementing material for colored pavement of a pavement and a preparation method and application thereof. In particular to a light-colored cementing material used for the mixture paving construction, the spraying construction and the coating construction of a colored pavement, and preparation and application thereof.
Background
The construction of color pavement is already applied in Europe and America in the 50 th of the last century, and Japan in the 1960 s passes through color pavement, bus lanes, bicycle lanes and commercial blocks formed by color ground and large-scale exposition sites, so that the city construction is rich and colorful, the color identification of road traffic is more scientific and practical, and countries in the world gradually have more comprehensive understanding on the application of color pavement paving technology through a Japanese garden type city construction mode. The colorized matching construction of the Olympic Games of Munich in 1972 further develops the application of the colorized ground application technology in parking lots, stadiums, public entertainment places and tourist sightseeing spots, and the application of the colorized road surfaces and the colorized ground is widely accepted in the world.
The cementing material for paving color road surface is made up by using petroleum asphalt as black road to make coloring treatment so as to implement coloured road surface and ground surface paving construction, said asphalt is called "colour asphalt", and the technical products of said asphalt, such as petroleum asphalt base colour asphalt material described in every open-and-quiet 10-176112 and CN94118271.1, have been used up to now because of low cost and easily available resources. However, the inherent color of black petroleum asphalt is heavy and is difficult to color into vivid color, so the color of the color asphalt is mainly iron red, and the corresponding color of the colored ground is monotonous and dull, which is difficult to meet the requirements of people on color pavement and color vividness of the colored ground. Attempts have therefore been made to prepare and use solid, light-colored paving cements based on synthetic materials such as resins and rubbers, which are still sometimes conventionally referred to as colored asphalts.
With the progress of the modern petrochemical synthesis technology, various color-paving cementing materials (or called color asphalt) of petroleum resins, epoxy resins and acrylic resins prepared by using various synthetic materials and matching with certain auxiliary materials are published, for example, technical products disclosed in CN93107531.9 and CN201911353215.0, and are socialized to a certain extent.
As compared with petroleum asphalt, the cementing material prepared by using said synthetic material is lighter in solid colour (generally light yellow to black brown), and can be easily prepared into the colour pavement paving material with various colour shades with bright colour, so that the colour effect of colour pavement and colour ground engineering can be improved. However, the color paving cementing material prepared by the synthetic material has certain insufficient aging resistance under the use condition of natural environment, the color pavement and the color ground paved by the color paving cementing material have pavement diseases such as stripping, falling and the like, the service life is short, and the diseases can appear in less than two years after the color pavement is used.
Therefore, how to improve the property of the color-paving cementing material, ensure better color development effect and improve the road performance, particularly the aging resistance, becomes a long-term subject in the preparation process of the color-paving cementing material.
Disclosure of Invention
The invention aims to provide a color-paving cementing material and a preparation method thereof, which can ensure the color development effect and further improve the road performance, especially the aging resistance. Meanwhile, the invention also aims to provide an application method of the color cementing material.
The invention provides a color-paved cementing material, which is a petroleum-based color-paved cementing material and is prepared by extracting petroleum residual oil serving as a raw material. The petroleum residuum is residue obtained by atmospheric or vacuum distillation of crude oil, and is heavy distillate oil with a distillation range of more than 350 ℃. The penetration of petroleum residuum at 25 deg.C is not higher than 80 (1/10 mm), preferably 30-70 (1/10 mm).
The invention also provides a mixed color-paved cementing material, which comprises the following components in percentage by mass:
10% -90% of the color-paved cementing material;
10-90% of thermoplastic resin color paving cementing material.
The thermoplastic resin color-spread cementing material can be petroleum resin color-spread cementing material.
The invention also provides a color mixture, which comprises the following components in percentage by mass:
4-10% of the color-paved cementing material or the mixed color-paved cementing material;
83 to 96 percent of graded mineral aggregate or color aggregate;
0 to 10 percent of colorant.
The graded mineral aggregate is stone material meeting the road construction specification, and the colored aggregate can be any natural or artificial colored solid particles, such as: natural color stone, ceramic particles and the like. The colorant may be a pigment of a corresponding hue, such as iron red (red iron oxide), red lead (red lead tetroxide), chrome green (green chromium oxide), lead chrome green, lead chrome yellow, zinc chrome yellow, iron blue, and the like.
In another aspect, the present invention provides a color-paving binder emulsion, comprising, by mass:
40-65% of petroleum-based colored cementing material or mixed colored paving cementing material;
0.5 to 4 percent of emulsifier;
the balance of water.
Wherein the emulsifier is anionic emulsifier, including at least one of alkyl carboxylate, sulfonate, sulfate and phosphate emulsifiers with 12-18 carbon atoms, such as at least one of anionic emulsifiers, such as sodium dodecyl sulfate, sodium dodecyl benzene sulfonate and sodium dodecyl sulfate; the cationic emulsifier comprises at least one of alkyl amine, amide, imidazoline and quaternary ammonium salt emulsifiers with 12-20 carbon atoms, such as at least one of cationic emulsifiers such as octadecyl amine, hexadecyl trimethyl ammonium chloride and the like; the nonionic emulsifier comprises at least one of an ethylene oxide reactant of a fatty alcohol of 12 to 18 carbons and an alkylphenol of 8 to 10 carbons. The colorant is pigment of corresponding hue, such as iron red (iron oxide red), red lead (lead tetraoxide), chrome green (chromium oxide green), plumbum chromium green, plumbum chromium yellow, zinc chromium yellow, iron blue, etc.
The coloring agent is preferably added into the color-paving cementing material emulsion in the using process, and the adding amount of the coloring agent is 0.1 to 0.3 time of the solid matter amount of the color-paving cementing material. The solid matter of the color-paved cementing material is a solid matter obtained after water content of emulsion of the color-paved cementing material is evaporated.
The other aspect of the invention is to provide a preparation method of the color-paved cementing material, which adopts petroleum residual oil as a raw material and uses alkane solvent as an extracting agent to extract the petroleum residual oil to obtain an extraction liquid and raffinate, wherein the extraction liquid is subjected to alkane solvent removal to obtain the color-paved cementing material.
The petroleum residuum is residue obtained by atmospheric or vacuum distillation of crude oil, and is heavy distillate oil with a distillation range of more than 350 ℃. The penetration of petroleum residuum at 25 deg.C is not higher than 80 (1/10 mm), preferably 30-70 (1/10 mm).
Further, before the petroleum residue is extracted, an extraction aid is preferably added thereto, and the extraction aid is a substance capable of generating hydrogen bond and van der waals bond with colloids in the petroleum residue. The extraction aid is preferably at least one of polyacrylamide, fatty alcohol acrylate copolymer, alkylbenzene sulfonate, alkylphenol polyoxyethylene, higher alcohol polyoxyethylene sulfonate, hexafluoropropylene oxide dimer amide and the like, and more preferably at least one of alkylphenol polyoxyethylene with eight to fourteen carbon atoms, alkylbenzene sulfonate with ten to sixteen carbon atoms and the like.
The extraction assistant can promote the heavy component with asphaltene as the main component in the residual oil to be removed efficiently, and the production of petroleum-based color paving cementing material with light solid color is realized. The extraction aid disclosed by the invention can be used for selectively dissolving residual oil in an alkane solvent, and can be used for attracting and further breaking down micelles by using polar groups of the extraction aid under the condition that the outermost saturated component, the secondary outer aromatic component and even part of light colloids of micelles taking asphaltene as a core are dissolved, so that the micelles are dissociated, the heavy component of the residual oil with the highest density and the strongest adsorption capacity among the same substances is precipitated and adsorbed and agglomerated at the same time, and the heavy component precipitation efficiency is improved.
The alkane solvent of the present invention is at least one of three-carbon to six-carbon alkane solvents.
The extraction process is preferably carried out in an extraction column. The extraction tower preferably adopts a continuous countercurrent operation mode, and the operation process is as follows: the extractant flows upwards after entering the tower from the lower part of the extraction tower, the petroleum residual oil selectively added with the extraction additive flows downwards after entering the tower from the middle part of the extraction tower, the petroleum residual oil and the extractant are in countercurrent contact in the tower in a reverse direction, heavy component residues of raffinate are discharged from the bottom of the tower, extract liquid flowing out of the upper part of the tower enters a solvent recovery device, and the color paving binder is obtained after the solvent is removed.
The operating conditions of the extraction column were: the mass ratio of alkane solvent to residual oil (solvent-oil ratio) is 4:1-5:1, the extraction auxiliary agent is 0-8% of the residual oil, preferably 1-6%, the operation pressure of the extraction tower is 3.0-6.0 MPa, and the temperature ranges of all the parts of the extraction tower are 100-190 ℃ at the top of the tower, 95-180 ℃ in the tower and 90-170 ℃ at the bottom of the tower respectively.
In a further aspect, the present invention provides a use of the colored paving binder in colored pavement paving. The application can be that petroleum-based color paving cementing material is directly mixed with graded mineral aggregate or color aggregate and colorant to prepare color mixture for thin layer paving of color pavement, or the mixture is emulsified and then mixed with colorant, mineral aggregate with small particle size and the like to prepare color slurry to carry out spraying or coating construction of color pavement. The petroleum-based color-paving cementing material can also be mixed with resin color-paving cementing material to prepare mixed color-paving cementing material, and then the thin-layer paving of the color pavement, the spraying or coating construction of the color pavement are carried out.
In contrast, the petroleum asphalt for road is a material separated from the long-time derivative in the nature, the ageing resistance is relatively good, and the service life of the colored pavement and colored ground paved by the petroleum asphalt is obviously longer than that of the colored pavement cementing material pavement made of synthetic material.
The petroleum-based color-laid cement of the present invention is separated from petroleum asphalt and is low in cost, and the material cost is only about 1/4 to 1/3 of that of resin cement.
The petroleum-based color-paving cementing material can be independently used for color pavement paving construction, and can also be applied after being compounded with thermoplastic resin color-paving cementing materials, such as petroleum resin-based color-paving cementing materials, so that excellent color-paving cementing materials with consideration of color development, aging resistance and economy can be obtained.
Detailed Description
The embodiments and effects of the present invention will be further described with reference to specific examples. The weight data given in the examples of the present invention are mass numbers, or mass percentages. The scope of the invention is not limited by the specific embodiments.
The penetration index referred to in the examples was determined by the conventional test method (i.e., test conditions of 25 ℃, 100 g load, 5 seconds) and penetration tester, and the unit of penetration was 1/10 mm.
Example 1
A mixture of n-butane and isopentane in a weight ratio of 1:1 is used as an extraction solvent, 2% of sodium dodecyl benzene sulfonate is doped into residual oil to be used as an extraction auxiliary agent, the mixture is uniformly mixed with the residual oil and then is fed into an extraction tower at a feeding speed of 2.5 kg/h (the residual oil is Sauter crude oil with a penetration degree of 45 (1/10 mm) at a temperature of 25 ℃) for deslagging), the agent-oil ratio is 4:1, and the operation conditions of the extraction tower are shown in Table 1. After the solvent in the extract liquid from the top of the extraction tower is removed by evaporation, the petroleum-based color paving cementing material is obtained. The solid color of the cementing material is brown, and is obviously improved compared with the petroleum asphalt with the solid color of black, and the main properties are shown in a table 2.
Example 2
Isopentane is used as an extraction solvent, and 3 percent of nonylphenol polyoxyethylene ether (CH) is doped into residual oil3(CH2)8C6H4(OC2H4)10OH, NP-10) as an extraction aid, and feeding the mixture to an extraction tower at a feed rate of 4 kg/h after mixing with residual oil, namely Xinjiang thick oil with a penetration of 50 (1/10 mm) at 25 ℃. The solvent to oil ratio was 5:1 and the operating conditions of the extraction column are shown in Table 1. After the solvent in the extract liquid from the top of the extraction tower is removed by evaporation, the petroleum-based color paving cementing material is obtained. The solid color of the cementing material is brown, and is obviously improved compared with the petroleum asphalt with the solid color of black, and the main properties are shown in a table 2.
Example 3
The mixture of n-butane and isopentane in the weight ratio of 1:1 is used as extraction solvent, 4% of dodecylphenol polyoxyethylene ether (CH) is mixed in residual oil3(CH2)11C6H4(OC2H4)10OH) as an extraction aid, is mixed homogeneously with the residual oil at a rate of 5 kg/hThe feed rate to the extraction column (residue is a kowitt crude oil reduced in residue at 25 ℃ penetration 67 (1/10 mm)), the solvent to oil ratio is 5:1, and the operating conditions of the extraction column are shown in table 1. After the solvent in the extract liquid from the top of the extraction tower is removed by evaporation, the petroleum-based color paving binder is obtained, and the main properties of the petroleum-based color paving binder are shown in Table 2. The solid color of the cementing material is brown, which is obviously improved compared with the petroleum asphalt with black solid color, but the penetration degree of the cementing material reaches 150 (1/10 mm), is higher, and can be used as the cementing material after being mixed with the cementing material with small penetration degree.
Example 4
A mixture of n-butane and isopentane in a weight ratio of 1:1 was used as an extraction solvent, and after being mixed with a residual oil uniformly, the mixture was fed to an extraction tower at a feed rate of 2.5 kg/hr (residual oil is Sauter crude oil with a penetration of 45 (1/10 mm) at 25 ℃ and is reduced in residue), the solvent-oil ratio was 4:1, and the operating conditions of the extraction tower are shown in Table 1. After the solvent in the extract liquid from the top of the extraction tower is removed by evaporation, the petroleum-based color paving cementing material is obtained. Compared to example 1, the yield is slightly lower due to the absence of extraction aid. The solid color of the cementing material is brown, and is obviously improved compared with the petroleum asphalt with the solid color of black, and the main properties are shown in a table 2.
Comparative example 1
A mixture of n-butane and isopentane in a weight ratio of 1:1 is used as an extraction solvent, 2% of sodium dodecyl benzene sulfonate is doped into residual oil to be used as an extraction auxiliary agent, the mixture is uniformly mixed with the residual oil and then is fed into an extraction tower at a feeding speed of 2.5 kg/h (the residual oil is Sauter crude oil with a penetration degree of 90 (1/10 mm) at a temperature of 25 ℃ for deslagging), the agent-oil ratio is 4:1, and the operation conditions of the extraction tower are shown in Table 1. After the solvent in the extract liquid from the top of the extraction tower is removed by evaporation, the petroleum-based color paving binder is obtained, and the main properties of the petroleum-based color paving binder are shown in Table 2. The solid color of the cementing material is brown, which is obviously improved compared with the petroleum asphalt with the solid color of black, but the penetration degree of the cementing material reaches 200 (1/10 mm), and the penetration degree is too large, so that the cementing material is difficult to be directly applied as the cementing material for paving.
TABLE 1 operating conditions of the extraction column
Item Example 1 Example 2 Example 3 Example 4 Comparative example 1
Residual oil feed rate/kg/h 2.5 4 5 2.5 2.5
The extraction aid is based on the residual oil/%) 2 3 4 0 2
Ratio of agent to oil 4:1 5:1 5:1 4:1 4:1
pressure/MPa of extraction column 5 3.7 4.5 5 5
Overhead temperature/. degree.C 118 180 140 118 118
Temperature in column/. degree.C 117 170 137 117 117
Temperature of the bottom of the column/. degree.C 112 160 130 112 112
Yield/% of color-laid cement 75 70 75 63 75
TABLE 2 Properties of the Binder
Item Example 1 Example 2 Example 3 Example 4 Comparative example 1
Penetration at 25 ℃ of 1/10mm 70 95 150 76 200
Softening point, DEG C 47 46 38 47 37
Ductility, cm at 15 ℃ >100 >100 -- >100 --
Morphology of the cementing material Brown, room temperature solid Brown, room temperature solid Brown, semi-solid at ambient temperature Brown, semi-solid at ambient temperature Brown, semi-solid at ambient temperature
Example 5
The color-paved cementing material with the penetration degree of 95 (1/10 mm) at the temperature of 25 ℃ prepared in the example 2 is heated to 140 +/-5 ℃, and is added into an emulsifying machine with lauryl sodium sulfate emulsifier aqueous solution at the temperature of 60 +/-5 ℃ for emulsification processing, and the materials are proportioned as follows by taking the mass of the emulsion as a reference: 50% of color-paving cementing material, 50% of emulsifier aqueous solution, and 2% and 48% of emulsifier and water in the emulsifier aqueous solution respectively. The color of the prepared emulsion of the petroleum-based color paving cementing material is dark yellow, and is obviously improved compared with the color of black asphalt emulsion.
Example 6
Two color-laid cements with penetration degrees of 70 (1/10 mm) and 95 (1/10 mm) obtained from the solvent extraction treatments of example 1 and example 2 were heated to 140 ± 5 ℃ to perform a 1: mixing and blending at a ratio of 1 to prepare the color-paved cementing material with proper consistency, wherein the penetration degree of the cementing material is 82 (1/10 mm). According to the preparation standard of the hot-mix paving mixture and the proportion of the color mixture shown in the table 3, the color mixture for paving the color road is prepared, the expected road age value of the stable anti-falling pavement layer of the color mixture is evaluated through an accelerated aging test, and the result is obviously better than the ideal three-year anti-falling time of the color surface layer of the resin cement (the result is shown in the table 3).
Example 7
The petroleum-based color-paved binder with a penetration of 200 (1/10 mm) obtained by the solvent extraction treatment in example 3 and the petroleum-based color-paved binder (penetration 45 (1/10 mm)) were heated to 140 + -5 ℃ respectively, and mixed and blended, the mass ratio of the former to the latter being 1:4, to prepare a binder with a penetration of 72 (1/10 mm). According to the preparation standard of the hot-mix paving mixture and the proportion of the color mixture shown in the table 3, the color mixture for paving the color road is prepared, the expected road age value of the stable anti-falling pavement layer of the color mixture is evaluated through an accelerated aging test, and the result is obviously better than the ideal three-year anti-falling time of the color surface layer of the resin cement (the result is shown in the table 3).
Example 8
The petroleum-based color paving binder with penetration of 70 (1/10 mm) prepared in example 1 was mixed with the color mixture shown in table 3 according to the preparation specification of the hot-mix paving mixture to prepare a color mixture for color road paving, and the expected road age value of the color mixture for stable anti-falling of the pavement layer was evaluated by accelerated aging test, which resulted in a significantly better three-year anti-falling time than the ideal color surface layer of the resin binder (see table 3).
TABLE 3 color mixture ratio and Effect evaluation
Source of cementitious material Main material, grading type The amount of the stone is% The color paving cementing material% Coloring agent% Color effect Color layer stability prediction
Example 6 Natural red stone, AC-13 89 5 (iron oxide Red) 6 Better than asphalt and resin Ten years old
Example 6 Natural red stone, AC-10 87 6 (iron oxide Red) 7 Better than asphalt and resin Ten years old
Example 7 Limestone, AC-13 89 5 (chromium Green) 6 Better than asphalt and resin Seven years old
Example 7 Green ceramsite, AC-10 94 6 0 Better than asphalt and resin Seven years old
Example 8 Yellow porcelain granule, AC-10 94 6 0 Better than asphalt and resin Eight years old
Example 8 Blue haydite, AC-10 94 6 0 Better than asphalt and resin Nine years old
Example 9
Referring to the ratio in Table 4, the emulsion (solid matter 52% of the emulsion) of the petroleum-based color paving binder prepared in example 5 was blended with a colorant to form a color slurry for color pavement, floor spray or coating. The amount of the color slurry used per unit area can be properly adjusted according to the condition of the construction foundation surface, and is generally 0.8 kg/sq.m to 1.5 kg/sq.m. The construction cost of the slurry coating is obviously lower than that of the thin layer paving construction in a mixture mode. The color effect of the asphalt-based color coating is obviously better than that of the prior asphalt-based color coating, and the color can be properly compounded according to the actual requirement, so that bright and full color tone can be created. The stable service life of the colored coating is mainly determined by the traffic wear strength, and is generally two to three years.
TABLE 4 color slurry ratio
Dilute slurry color phase Cement emulsion, is Main colorant% Color effect
Red colour 92 (iron oxide Red) 8 Better than asphalt and resin
Green colour 91 (chromium Green) 9 Better than asphalt and resin
Yellow colour 95 (Zinc chrome yellow) 5 Better than asphalt and resin
Blue color 95 (iron blue) 5 Better than asphalt and resin
The experimental results show that compared with petroleum asphalt, the petroleum-based color paving cementing material has lighter solid color and similar anti-aging performance and pavement performance indexes. Compared with resin cementing materials, the resin cementing material is not easy to age and degrade, and the two-year pavement test falling rate under the same condition is not enough to be 1/10 of resin. Moreover, the color development effect of the cementing material is considered, and the comprehensive performance is better.

Claims (14)

1. The color-paved cementing material is characterized in that the color-paved cementing material is petroleum-based color-paved cementing material and is prepared by extracting petroleum residual oil serving as a raw material.
2. Color-laid cement according to claim 1, characterized in that the petroleum residue has a penetration at 25 ℃ of not more than 80 (1/10 mm), preferably 30-70 (1/10 mm).
3. A mixed color-coat cement comprising, by mass:
10% to 90% of the petroleum-based color-laid cement of any one of claims 1 to 2;
10-90% of thermoplastic resin color paving cementing material.
4. A color compound, comprising, by mass of the color compound:
4% to 10% of a color-laid cement as defined in any one of claims 1 to 2 or a mixed color-laid cement as defined in claim 3;
83 to 96 percent of graded mineral aggregate or color aggregate;
0 to 10 percent of colorant.
5. A color-paved cement emulsion, comprising, by mass:
40% to 65% of a color-laid cement as defined in any one of claims 1 to 2 or a hybrid color-laid cement as defined in claim 3;
0.5 to 4 percent of emulsifier;
the balance of water.
6. A method for preparing the color-paved cementing material of any one of the claims 1-2, which is characterized in that the petroleum residual oil is used as raw material, the alkane solvent is used as extractant to extract the petroleum residual oil, so as to obtain extraction liquid and raffinate, wherein the extraction liquid is subjected to alkane solvent removal to obtain the color-paved cementing material.
7. The method according to claim 6, wherein an extraction aid is added to the petroleum residue before the extraction, and the extraction aid is a substance capable of generating hydrogen bond and van der Waals bond with colloids in the petroleum residue.
8. The method according to claim 6 or 7, wherein an extraction aid is added to the petroleum residuum before extraction, and the extraction aid comprises at least one of polyacrylamide, fatty alcohol acrylate copolymer, alkylbenzene sulfonate, alkylphenol ethoxylate, higher alcohol ethoxylate sulfonate, hexafluoropropylene oxide dimer amide, preferably at least one of eight-to fourteen-carbon alkylphenol ethoxylate and ten-to sixteen-carbon alkylbenzene sulfonate.
9. The method according to claim 6, wherein the alkane solvent is at least one selected from the group consisting of three-carbon to six-carbon alkane solvents.
10. A method according to claim 6, wherein the extraction is carried out in an extraction column, preferably in a continuous countercurrent operation.
11. The preparation method according to claim 10, wherein the extraction column is operated by: the extractant flows upwards after entering the tower from the lower part of the extraction tower, the petroleum residual oil selectively added with the extraction additive flows downwards after entering the tower from the middle part of the extraction tower, the petroleum residual oil and the extractant are in countercurrent contact in the tower in a reverse direction, heavy component residues of raffinate are discharged from the bottom of the tower, extract liquid flowing out of the upper part of the tower enters a solvent recovery device, and the color paving binder is obtained after the solvent is removed.
12. The method of claim 10, wherein the extraction column is operated under the following conditions: the mass ratio of the alkane solvent to the residual oil is 4:1-5:1, and the extraction auxiliary agent accounts for 0-8% of the mass of the residual oil, preferably 1-6%.
13. The method according to claim 10, 11 or 12, wherein the operating pressure of the extraction column is 3.0MPa to 6.0MPa, and the temperatures at the respective parts of the extraction column are 100 ℃ to 190 ℃ at the top, 95 ℃ to 180 ℃ in the column, and 90 ℃ to 170 ℃ at the bottom.
14. Use of a colour-paving binder as claimed in any one of claims 1-2 in colour paving.
CN202010952217.8A 2020-09-11 2020-09-11 Color-paved cementing material and preparation method and application thereof Pending CN114163826A (en)

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