CN108641381B - Colorful pavement sealing fabric and preparation method thereof - Google Patents
Colorful pavement sealing fabric and preparation method thereof Download PDFInfo
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- CN108641381B CN108641381B CN201810344648.9A CN201810344648A CN108641381B CN 108641381 B CN108641381 B CN 108641381B CN 201810344648 A CN201810344648 A CN 201810344648A CN 108641381 B CN108641381 B CN 108641381B
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- 239000004744 fabric Substances 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000004519 manufacturing process Methods 0.000 title description 6
- 239000010426 asphalt Substances 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 37
- 239000004927 clay Substances 0.000 claims abstract description 36
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 36
- 239000013538 functional additive Substances 0.000 claims abstract description 29
- 239000002002 slurry Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000003566 sealing material Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 22
- 239000000344 soap Substances 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- VIFIHLXNOOCGLJ-UHFFFAOYSA-N trichloro(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)silane Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CC[Si](Cl)(Cl)Cl VIFIHLXNOOCGLJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 239000008149 soap solution Substances 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 230000008719 thickening Effects 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 description 28
- 230000008961 swelling Effects 0.000 description 5
- 238000004945 emulsification Methods 0.000 description 4
- 230000001804 emulsifying effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- QSCLORIQFOIXIY-UHFFFAOYSA-N C(CCCCCCCCCCC)C=1C(=C(C=CC=1)OC1=C(C(=CC=C1)CCCCCCCCCCCC)CCCCCCCCCCCC)CCCCCCCCCCCC Chemical compound C(CCCCCCCCCCC)C=1C(=C(C=CC=1)OC1=C(C(=CC=C1)CCCCCCCCCCCC)CCCCCCCCCCCC)CCCCCCCCCCCC QSCLORIQFOIXIY-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910001579 aluminosilicate mineral Inorganic materials 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000027455 binding Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 229940082004 sodium laurate Drugs 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a color pavement sealing fabric and a preparation method thereof. The invention provides a color pavement sealing fabric which is prepared from the following raw materials in parts by weight: 150-200 parts of decolored asphalt, 20-25 parts of clay, 10-15 parts of montmorillonite, 6-8 parts of an emulsifier, 5-10 parts of a functional additive and 260-320 parts of water. According to the color pavement sealing fabric, clay, montmorillonite, an emulsifier and water are utilized to form a slurry type emulsified soap solution, and decolored asphalt is emulsified, so that the components are combined with one another to form a unified whole, and the cohesiveness and the stability of the emulsified asphalt are improved; and adding functional additive to make color pavement sealing material with certain consistency, and the sealing material has the advantages of long-term stable storage of emulsified asphalt due to the support and thickening of clay and montmorillonite. Experimental results show that the effective period of the color pavement sealing fabric provided by the invention is more than 2 years.
Description
Technical Field
The invention relates to the technical field of road maintenance, in particular to a color pavement sealing fabric and a preparation method thereof.
Background
With the rapid increase of highway mileage and the rapid development of motor vehicles, the coordinated development of traffic and environment is more and more emphasized by urban construction, and colored pavements are used in various places such as highway tunnels, bridges, urban roads, airports, parks, scenic spots and the like. The colored asphalt pavement has the characteristics of bright color, high grade, attractive appearance, various colors and the like, and the pavement on the pavement not only reduces traffic noise, but also improves the driving comfort, effectively beautifies road traffic, improves the road space environment, reduces visual fatigue of drivers, improves the warning induction effect of the road traffic and reduces the incidence rate of safety accidents.
The present color asphalt pavement construction technology is a color cementing material, so-called color cementing material is also called color asphalt, and is usually made up by using modern petrochemical product as basic raw material, then adding high-molecular copolymer, resin, filling oil and other additives to prepare cementing material whose performance is similar to that of petroleum asphalt.
The colored asphalt pavement has high manufacturing cost which is more than 10 times higher than that of the common black asphalt pavement, and the problems of high manufacturing cost, difficult popularization and the like generally exist. The existing production process of colored emulsified asphalt is mostly manufactured by grinding and shearing a soap solution formed by colored asphalt and an emulsifier, a modifier, a stabilizer and the like by a special colloid mill according to a certain proportion under a proper temperature condition. Common colored emulsified asphalt includes SBR modified emulsified asphalt and SBS modified emulsified asphalt: the SBR modified emulsified asphalt is prepared by firstly emulsifying matrix asphalt by adopting a common emulsifying instrument, and then adding SBR emulsion and uniformly mixing; the SBS modified emulsified asphalt is obtained by modifying the base asphalt through SBS latex and then emulsifying through an emulsifying instrument. The two emulsified asphalts have poor stability, are not easy to store for a long time and have strict requirements on equipment.
Disclosure of Invention
The invention aims to provide a color pavement sealing fabric and a preparation method thereof. The color pavement sealing fabric provided by the invention is stable in property, can be stored for a long time, and has low requirements on equipment.
The invention provides a color pavement sealing fabric which is prepared from the following raw materials in parts by weight: 150-200 parts of decolored asphalt, 20-25 parts of clay, 10-15 parts of montmorillonite, 6-8 parts of an emulsifier, 5-10 parts of a functional additive and 260-320 parts of water.
Preferably, the colored pavement sealing fabric is prepared from the following raw materials: 160-180 parts of decolored asphalt, 22-24 parts of clay, 11-14 parts of montmorillonite, 6.5-7.5 parts of an emulsifier, 6-8 parts of a functional additive and 280-300 parts of water.
Preferably, the clay has a particle size of 200 mesh or more.
Preferably, the pH value of the montmorillonite is 7.5-8.5, and the swelling degree is 10-25 mL per 1.0g of swelling volume.
Preferably, the particle size of the montmorillonite is 300-800 meshes.
Preferably, the emulsifier is a slow-breaking amide anionic asphalt emulsifier.
Preferably, the functional additive comprises 1H,1H,2H, 2H-perfluorodecyl trichlorosilane and/or polytetrafluoroethylene.
The invention also provides a preparation method of the colored pavement sealing fabric, which comprises the following steps:
(1) mixing an emulsifier with part of water to obtain an emulsion;
(2) mixing the emulsion obtained in the step (1) with clay and montmorillonite to obtain slurry type emulsified soap liquid;
(3) and (3) mixing the slurry type emulsified soap liquid obtained in the step (2) with the decolored asphalt, the functional additive and the residual water in sequence to obtain the colored pavement sealing material.
Preferably, the temperature of the water in the step (1) is 90-95 ℃.
Preferably, the temperature of the asphalt in the step (3) is 140-155 ℃.
The invention provides a color pavement sealing fabric which is prepared from the following raw materials in parts by weight: 150-200 parts of decolored asphalt, 20-25 parts of clay, 10-15 parts of montmorillonite, 6-8 parts of an emulsifier, 5-10 parts of a functional additive and 260-320 parts of water. According to the color pavement sealing fabric, clay, montmorillonite, an emulsifier and water are utilized to form a slurry type emulsified soap solution, and decolored asphalt is emulsified, so that the components are combined with one another to form a unified whole, and the cohesiveness and the stability of the emulsified asphalt are improved; and adding functional additive to make color pavement sealing material with certain consistency, and the sealing material has the advantages of long-term stable storage of emulsified asphalt due to the support and thickening of clay and montmorillonite. Experimental results show that the effective period of the color pavement sealing fabric provided by the invention is more than 2 years.
In addition, the color pavement sealing fabric provided by the invention only needs to use a traditional reaction kettle with a stirring paddle as production equipment, and has low requirements on the equipment; the paint can be applied after being mixed with the selected pigment (with adjustable color) and the colored ceramic aggregate before application, and is convenient and simple.
Detailed Description
The invention provides a color pavement sealing fabric which is prepared from the following raw materials in parts by weight: 150-200 parts of decolored asphalt, 20-25 parts of clay, 10-15 parts of montmorillonite, 6-8 parts of an emulsifier, 5-10 parts of a functional additive and 260-320 parts of water.
The raw materials of the color pavement sealing fabric comprise 150-200 parts of decolored asphalt, preferably 160-180 parts. The source of the decolorized pitch in the present invention is not particularly limited, and commercially available decolorized pitches known to those skilled in the art may be used. In the embodiment of the invention, the discolored asphalt is preferably discolored asphalt prepared by taking naphthenic-based heavy oil fraction of a Clarity oil field for producing road asphalt as a base raw material and performing asphalt discoloring treatment; the specific physical and chemical performance index is that the penetration degree (25 ℃,100g,5s) is 60-800.1 mm; ductility (5cm/min,15 ℃) is more than 100 cm; the softening point (ring and ball method) is 44-54 ℃. In the present invention, the asphalt serves as a binding action.
The raw materials of the color pavement sealing fabric comprise 10-15 parts of montmorillonite, preferably 11-14 parts of montmorillonite, calculated by the mass of asphalt being 150-200 parts. In the present invention, the chemical composition of the montmorillonite is preferably (Na, Ca)0.33(Al,Mg)2(Si4O10)(OH)2·nH2And O. In the invention, the pH value of the montmorillonite is preferably 7.5-8.5, and more preferably 8; the swelling degree of the montmorillonite is preferably 10-25 mL per 1.0g swelling volume. In the present invention, the particle size of the montmorillonite is preferably 300 to 800 mesh, more preferably 400 to 700 mesh, and most preferably 500 to 600 mesh. In the present invention, the montmorillonite plays a role of swelling to promote emulsification and adhesion.
The raw materials of the color pavement sealing fabric comprise 20-25 parts of clay, preferably 22-24 parts of clay, by mass of 150-200 parts of asphalt. In the present invention, the particle size of the clay is preferably 200 mesh or more. In the present invention, the clay acts as a strength support.
In the present invention, the clay is preferably white clay, which is a soft high-plasticity clay formed from an aluminosilicate mineral after the deposition of disordered kaolinite. In the present invention, the species and components of the clay are preferably as shown in table 1.
TABLE 1 Clay varieties and compositions
The raw materials of the color pavement sealing fabric comprise 6-8 parts of emulsifier, preferably 6.5-7.5 parts by mass of asphalt. In the present invention, the emulsifier is preferably a slow-breaking amide anionic asphalt emulsifier, and more preferably comprises one or more of sodium dodecylbenzene sulfonate, sodium didodecylphenyl ether disulfonate, sodium stearate, and sodium laurate. In the present invention, the emulsifier is capable of promoting emulsification of asphalt.
The raw materials of the color pavement sealing fabric comprise 5-10 parts of functional additives, preferably 6-8 parts, by mass of asphalt, wherein the mass of the asphalt is 150-200 parts. In the invention, the functional additive comprises 1H,1H,2H, 2H-perfluorodecyl trichlorosilane and/or polytetrafluoroethylene. The functional additive has extremely low surface energy, surface dust can be self-cleaned through rainwater when the functional additive is used on a road surface, the functional additive has extremely good hydrophobicity (the maximum water absorption rate is less than 5%), is oil-repellent, has an extremely small friction coefficient (0.15-0.17), cannot be adhered with dust and scale, and is good in antifouling property. In the invention, when the functional additive is 1H,1H,2H, 2H-perfluorodecyl trichlorosilane, the C-F bond with the highest bond energy in organic matters enables fluorocarbon to have a plurality of special properties in color cement which are superior to those of common color cement, such as: weather resistance, salt resistance, washing resistance, non-adhesion, maintenance-free property and self-cleaning stain resistance.
The raw material of the color pavement sealing fabric comprises, by mass of asphalt, 260-320 parts of water, preferably 280-300 parts. In the present invention, the water is preferably water that does not contain harmful soluble salts, substances that can cause chemical reactions, and other contaminants, such as drinking water in particular. In the invention, the water can form a slurry type emulsified soap liquid with the montmorillonite, the clay and the emulsifier to promote the emulsification of the asphalt; the addition amount of the water in the range can adjust the viscosity of the color pavement sealing fabric to be proper.
In the invention, the viscosity of the colorful pavement sealing fabric is preferably 1500-2300 centipoises, and more preferably 1800-2100 centipoises.
According to the color pavement sealing fabric, clay, montmorillonite, an emulsifier and water are utilized to form a slurry type emulsified soap solution, and decolored asphalt is emulsified, so that the components are combined with one another to form a unified whole, and the cohesiveness and the stability of the emulsified asphalt are improved; and adding functional additive to make color pavement sealing material with certain consistency, and the sealing material has the advantages of long-term stable storage of emulsified asphalt due to the support and thickening of clay and montmorillonite.
The invention also provides a preparation method of the colored pavement sealing fabric, which comprises the following steps:
(1) mixing an emulsifier with part of water to obtain an emulsion;
(2) mixing the emulsion obtained in the step (1) with clay and montmorillonite to obtain slurry type emulsified soap liquid;
(3) and (3) mixing the slurry type emulsified soap liquid obtained in the step (2) with the decolored asphalt, the functional additive and the residual water in sequence to obtain the colored pavement sealing material.
The invention mixes the emulsifier with part of water to obtain the emulsion. In the present invention, the mass of the part of water is preferably 180 to 200 parts, and more preferably 185 to 195 parts, based on 100 parts of the mass of the asphalt. In the invention, the temperature of the water is preferably 90-95 ℃, and more preferably 93 ℃. In the present invention, the temperature of the water in the above range can further improve the emulsification effect.
The operation of mixing the emulsifier with part of water is not particularly limited in the present invention, and the technical scheme for preparing the mixed material well known to those skilled in the art can be adopted. In the present invention, the mixing of the emulsifier with part of the water is preferably carried out under stirring conditions; the rotating speed of the stirring is preferably 100-120 r/min, and more preferably 105-115 r/min; the stirring time is preferably 2-3 min.
After the emulsion is obtained, the invention mixes the emulsion with clay and montmorillonite to obtain the slurry type emulsified soap liquid. In the present invention, the mixing of the emulsion with clay and montmorillonite is preferably performed under stirring conditions; the stirring speed is preferably 150-200 r/min, and more preferably 160-180 r/min; the stirring time is preferably 5-7 min.
In the preferable scheme of the invention, the emulsifier is firstly dissolved in the hot water-shaped emulsified liquid and then is mixed with the clay and the montmorillonite, and the montmorillonite can swell when meeting water, so that more uniform emulsified liquid soap is obtained.
After the slurry type emulsified soap liquid is obtained, the slurry type emulsified soap liquid is sequentially mixed with the decolored asphalt, the functional additive and the residual water to obtain the color pavement sealing material. In the invention, the temperature of the discolored asphalt is preferably 130-150 ℃, and more preferably 140 ℃.
The invention preferably adds the asphalt into the slurry type emulsified soap liquid under the stirring condition to obtain the emulsified asphalt. In the invention, the stirring speed is preferably 300-320 r/min, and more preferably 305-315 r/min; the stirring time is preferably 25-30 min.
After the emulsified asphalt is obtained, the functional additive and the residual water are preferably added into the emulsified asphalt in sequence to obtain the color pavement sealing material. In the present invention, the functional additive is preferably added under stirring conditions; the stirring speed is preferably 150-180 r/min, and more preferably 160-170 r/min; the stirring time is preferably 5-8 min.
In the present invention, the mass of the residual water is preferably 30 to 50 parts, and more preferably 40 parts, based on 100 parts of the mass of the asphalt. In the present invention, the temperature of the remaining water is preferably room temperature. In the present invention, the residual water can dilute the colored pavement sealing material to a desired viscosity.
For further illustration of the present invention, the following examples are provided to describe the color pavement sealing material and the method for making the same in detail, but they should not be construed as limiting the scope of the present invention.
Example 1:
the mass ratio of the raw materials is as follows: 150 parts of decolored asphalt, 6 parts of emulsifier, 20 parts of clay, 12 parts of montmorillonite, 5 parts of functional additive and 260 parts of water.
The method comprises the following specific steps:
the method comprises the following steps: adding emulsifier and hot water (90 ℃) into stirring equipment, and uniformly stirring to obtain emulsifier soap solution (the rotating speed is 100r/min and 2 min);
step two: sequentially adding clay and montmorillonite into the emulsifier soap liquid prepared in the first step, and uniformly stirring (the rotation speed is 150r/min, 6min) to prepare emulsified soap liquid slurry;
step three: adding heated decolorized asphalt (145 ℃) into emulsified soap liquid slurry, stirring while adding (the rotating speed is 300r/min, 25min) until the decolorized asphalt is added completely;
step four: adding the functional additive 1H,1H,2H, 2H-perfluorodecyl trichlorosilane while stirring (the rotating speed is 150r/min, 5min), adding a small amount of water to adjust the viscosity, and controlling the viscosity to be in the range of 1500-2300 centipoises.
The properties of the colored pavement sealing fabric prepared in this example are shown in table 2.
Table 2 example 1 performance of colored pavement sealing fabric
Example 2:
the mass ratio of the raw materials is as follows: 180 parts of decolored asphalt, 7 parts of emulsifier, 22 parts of clay, 12 parts of montmorillonite, 7 parts of functional additive and 280 parts of water.
The concrete steps
The method comprises the following steps: adding the emulsifier and hot water (92 ℃) into stirring equipment and uniformly stirring (the rotating speed is 120r/min and 3 min);
step two: sequentially adding clay and montmorillonite into the emulsifier soap liquid prepared in the first step, and uniformly stirring (the rotation speed is 160r/min, 6min) to prepare emulsified soap liquid slurry;
step three: adding heated decolorized asphalt (140 ℃) into emulsified soap liquid slurry, stirring while adding (rotating speed of 310r/min, 28min) until the decolorized asphalt is added completely;
step four: adding functional additives 1H,1H,2H, 2H-perfluorodecyl trichlorosilane, stirring while adding (rotating speed of 170r/min, 6min), adding a small amount of water to adjust the viscosity, and controlling the viscosity to be in the range of 1500-2300 centipoises.
The properties of the colored pavement sealing fabric prepared in this example are shown in table 3.
Table 3 example 2 performance of color pavement sealing fabric
Example 3:
the mass ratio of the raw materials is as follows: 200 parts of decolored asphalt, 8 parts of emulsifier, 25 parts of clay, 15 parts of montmorillonite, 10 parts of functional additive and 320 parts of water.
The method comprises the following specific steps:
the method comprises the following steps: adding the emulsifier and hot water (95 ℃) into stirring equipment and uniformly stirring (the rotating speed is 120r/min and 3 min);
step two: sequentially adding clay and montmorillonite into the emulsifier soap liquid prepared in the first step, and uniformly stirring (rotating speed is 200r/min, 7min) to prepare emulsified soap liquid slurry;
step three: adding heated decolorized asphalt (155 ℃) into emulsified soap liquid slurry, stirring while adding (the rotating speed is 320r/min, 30min) until the decolorized asphalt is added completely;
step four: adding the functional additive 1H,1H,2H, 2H-perfluorodecyl trichlorosilane while stirring (the rotating speed is 180r/min, 8min), and adding a small amount of water to adjust the viscosity, wherein the viscosity is controlled within the range of 1500-2300 centipoises.
The properties of the colored pavement sealing fabric prepared in this example are shown in table 4.
Table 4 example 3 performance of colored pavement sealing fabric
The color pavement sealing fabric provided by the invention has stable property, can be stored for a long time and has low requirement on equipment.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (6)
1. The color pavement sealing fabric is prepared from the following raw materials, by mass, 160-180 parts of decolorized asphalt, 22-24 parts of clay, 11-14 parts of montmorillonite, 6.5-7.5 parts of an emulsifier, 6-8 parts of a functional additive and 280-300 parts of water;
the emulsifier is a slow-breaking amide anionic asphalt emulsifier; the functional additive is 1H,1H,2H, 2H-perfluorodecyl trichlorosilane;
the particle size of the clay is more than 200 meshes.
2. The colored pavement sealing fabric according to claim 1, wherein the montmorillonite has a pH value of 7.5-8.5 and an expansion degree of 10-25 mL per 1.0g of expanded volume.
3. The colored pavement covering according to claim 2, wherein the particle size of the montmorillonite is 300-800 mesh.
4. A method for preparing the colored pavement sealing fabric according to any one of claims 1 to 3, comprising the following steps:
(1) mixing an emulsifier with part of water to obtain an emulsion;
(2) mixing the emulsion obtained in the step (1) with clay and montmorillonite to obtain slurry type emulsified soap liquid;
(3) and (3) mixing the slurry type emulsified soap liquid obtained in the step (2) with the decolored asphalt, the functional additive and the residual water in sequence to obtain the colored pavement sealing material.
5. The method according to claim 4, wherein the temperature of the water in the step (1) is 90 to 95 ℃.
6. The method according to claim 4, wherein the temperature of the asphalt in the step (3) is 140 to 155 ℃.
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| CN111138976A (en) * | 2019-12-26 | 2020-05-12 | 上海浦东路桥沥青材料有限公司 | Colored emulsified asphalt coating and preparation method and application thereof |
| CN111471398B (en) * | 2020-06-11 | 2021-12-31 | 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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| CN106986581A (en) * | 2017-04-11 | 2017-07-28 | 江苏西尔玛道路环保材料有限公司 | A kind of bituminous pavement repairing material and preparation method thereof |
| CN106987147A (en) * | 2017-05-19 | 2017-07-28 | 王筱天 | A kind of color asphalt and preparation method thereof |
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