CN108395708A - Caulking material of Colorful Asphalt Pavement and preparation method thereof - Google Patents
Caulking material of Colorful Asphalt Pavement and preparation method thereof Download PDFInfo
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- CN108395708A CN108395708A CN201710066699.5A CN201710066699A CN108395708A CN 108395708 A CN108395708 A CN 108395708A CN 201710066699 A CN201710066699 A CN 201710066699A CN 108395708 A CN108395708 A CN 108395708A
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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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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Abstract
The invention discloses a kind of caulking materials of Colorful Asphalt Pavement and preparation method thereof.The caulking material includes following component, based on mass fraction：Petropols 8%~20%, compatilizer 15%~40%, polymer 22%~60%, grafting agent 0.1%~2.0%, initiator 0.1%~3.0%, activator 0.05%~2.0%, anti-aging agent 1%~4%, anti-wear agent 2%~5%.The caulking material of the present invention has excellent high-temperature behavior, cryogenic property and recoverable force ability, with higher softening point, very strong cohesion and higher cryogenic tensile rate, low-temperature ductility, and caulking material can well be mixed and stirred with color pigment, and Efficient software patching can be carried out to there is the Colorful Asphalt Pavement in crack after mix.
Description
Technical field
The present invention relates to a kind of caulking material and preparation method thereof, the caulking material of especially a kind of Colorful Asphalt Pavement and
Preparation method.
Background technology
Colorful Asphalt Pavement improves the monotonicity of plain asphalt road surface black, can be mutual with the building of surrounding, landscape
Collocation is coordinated, and has apparent landscape effect.Color asphalt has come into experiment as with the paveio(u)r beautified the environment
The popularization stage, multiple cities attempted using color asphalt concrete be laid with urban road, as Shanghai, Beijing, Tianjin, Changsha,
The cities such as Shenyang and Xiamen.In addition, color asphalt increasingly obtains the organization and management effect of traffic the attention of people.Different face
The bituminous paving of color can improve the recognition effect of driver, and the attention of driver can also be made more to concentrate, to rise
To induction wagon flow, safe driving, the effect for making traffic administration intuitively change.
Colorful Asphalt Pavement can occur with the same or similar disease of asphalt highway, such as with ultraviolet light, rainwater
Extraneous factor influences, and it is easy to appear the diseases such as crack, gully for colored road surface.Once there are the diseases such as crack, gully, water will
It is penetrated by crack in the base on road surface, leads to the destruction of sub-surface, significantly damage the service life of colored road surface.
Since the crack of asphalt highway is generally repaired using special caulking material.Caulking material is different from public affairs
The pitch or modified pitch that road bituminous paving and Colorful Asphalt Pavement use have very special requirement：
（1）Applied at elevated temperature function admirable not will produce flowing, bellding and take away phenomenon by vehicle in summer high-temperature；
（2）Low temperature performance is excellent, under winter low temperature condition, will not become fragile, obscission, can bear low temperature at pavement crack
The stress of expansion, will not be by pressure break；（3）Elastic recovery properties are good, can bear the strain that crack telescopic band comes, and have very high
Elastic restoration ratio；（4）Since caulking material needs to pour into crack in the case where heat melts state, building stones cannot be thus added wherein
Enhance compression strength or self-supporting ability, is differed with added with the conventional highway asphalt that building stones are added, therefore, caulking material
Higher compression strength or self-supporting ability must be kept at normal temperatures, to have compared with high bearing capacity；（5）Must have very strong
Cohesion, crack can be bonded together by such caulking material, will not repeat crack.
The caulking material of existing highway bituminous paving is divided into two types, and the first kind is colod-application pitch class material, including liquid
Body pitch, solvent type modified liquid pitch, modified and non-modified emulsified asphalt etc.；Second class is heat pitch class material, including
Modified pitch, asphalt rubber, rubber modified asphalt, low modulus rubber modified pitch etc..But the filleting of existing highway bituminous paving
It is added with pitch in material, caulking material is caused to become black, even if it is in black state that addition color pigment, which is also, to colour
After the crack on road surface is modified, aesthetic effect can be seriously affected, and existing pitch caulking material or be difficult to and colored face
Material mixes and stirs, or after being mixed and stirred with color pigment, can influence its repair efficiency, and caulking material overall performance declines, and influences service life.
To sum up, Colorful Asphalt Pavement is influenced necessarily to will appear the diseases such as crack by external environment, and the repairing in crack needs
The caulking material of particular/special requirement is wanted, but existing caulking material cannot meet the requirement of Colorful Asphalt Pavement, therefore color road again
Face crack repairing also locates always blank, inhibits the popularization of colored road surface to a certain extent.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of caulking material of Colorful Asphalt Pavement and preparation method thereof.
The caulking material has excellent high-temperature behavior, cryogenic property and recoverable force ability, has higher softening point, very strong
Cohesion and higher cryogenic tensile rate, low-temperature ductility, and caulking material can well be mixed and stirred with color pigment, after mix
Efficient software patching can be carried out to there is the Colorful Asphalt Pavement in crack.
The present invention proposes a kind of caulking material of Colorful Asphalt Pavement, and the caulking material includes following component, with matter
Measure score meter：Petropols 8%~20%, polymer 22%~60%, grafting agent 0.1%~2.0%, cause compatilizer 15%~40%
Agent 0.1%~3.0%, activator 0.05%~2.0%, anti-aging agent 1%~4%, anti-wear agent 2%~5%.
The Petropols are C5 Petropols and/or C9 Petropols, the colorations of the Petropols is preferably 6~
19。
The compatilizer is atmospheric distillate, atmospheric distillate, refined aromatic naphtha, rubber filling oil, deasphalted oil, catalysis
One or more of cracking slurry oil.
100 DEG C of viscosity of the compatilizer is 30~1500mm2/ s, saturation point and fragrance divide content in the compatilizer
The sum of be more than or equal to 70wt%.
The polymer is the block copolymer containing plastics and unsaturated double-bond, the block containing unsaturated double-bond
Copolymer be preferably it is one or more in SBS, SBR, EVA, SIS, SEP, the plastics be preferably PP, PE, nylon, PS,
It is one or more in PVC, ABS, the block copolymer amount containing unsaturated double-bond can be preferably 100000~
300000, the plastic molecules amount can be preferably 10000~500000, and the plastics are total with the block containing unsaturated double-bond
The weight ratio of polymers is preferably 1：（0.3~4.0）.
The grafting agent is organic acid anhydride, carboxylic acid, epoxy resin, oxazoline, acid imide, one kind in isocyanates or several
Kind.The organic acid anhydride is preferably the third acid anhydride of second, acetic anhydride, phthalic anhydride, maleic anhydride, one kind in benzoyl oxide or several
Kind, the carboxylic acid is preferably one or more of formic acid, acetic acid, aliphatic acid, aromatic acid.
The initiator is azo-compound and/or per-compound, and the azo-compound is preferably two isobutyl of azo
One or more of cyanogen, azodicarbonamide, the per-compound are preferably benzoyl peroxide, benzoyl peroxide uncle
One or more of fourth cyanogen, methyl ethyl ketone peroxide, cumyl peroxide.
The plasticizer is in dioctyl phthalate, di-n-octyl phthalate, BBP(Butyl Benzyl Phthalate
It is one or more of.
The activator is metal oxide and/or long chain organic acid, and the metal oxide is preferably zinc oxide, oxidation
One or more of ferrous iron, titanium oxide, cobalt oxide, chromium oxide, vanadium oxide, the long chain organic acid is preferably stearic acid, soft
One or more of resin acid, oleic acid, linoleic acid, n-capric acid, undecenoic acid, lauric acid/dodecanoic acid, tetradecylic acid, hexadecylic acid.
The anti-aging agent is antioxidant D, anti-aging agent RD, anti-aging agent 124, antioxidant MB, one kind in antioxidant D NP or more
Kind.
The anti-wear agent can be one or more low molecule organo-silicon compound, preferably Si69, Si50, Si602,
One or more of A151, A171, A172.
The present invention provides a kind of preparation method of such as caulking material of above-mentioned Colorful Asphalt Pavement, the preparation methods
Include the following steps：
（1）Polymer, grafting agent, initiator, activator, anti-aging agent are uniformly mixed；
（2）It will（1）In uniform mixture be added in twin screw or single screw extruder and be kneaded；
（3）Petropols and compatilizer heating are molten into uniform mixed liquor；
（4）It will（2）In obtained mixture be added to（3）In mixed liquor in be swollen, and formed surely by high speed shear
Fixed cementitious matter obtains the caulking material.
In step（1）In, the temperature of the mixing is 15 DEG C~40 DEG C, and the time is 10 min~30min；In step（2）
In, the temperature of the mixing is 160 DEG C~200 DEG C, and it is 2 ~ 5 times that cycle, which is kneaded number,.
In step（3）In, the temperature of the heating fusing is 100 DEG C~150 DEG C, and the time is 20 min~60min.
In step（4）In, the temperature of the swelling is 150 DEG C~170 DEG C, and the time is 30 min~90min, the temperature of stirring
170 DEG C~200 DEG C of degree, time are 4~12h.
The ordinary skill in the art may be used in the high speed shear, such as carries out high speed shear, colloid mill using colloid mill
The number for carrying out high speed shear can be 1-5 times.
Compared with prior art, the beneficial effects of the present invention are：
（1）The present invention by adjusting Petropols, compatilizer and polymer content and add grafting agent, initiator, activator,
Anti-aging agent and anti-wear agent make caulking material have excellent high-temperature behavior, cryogenic property and recoverable force ability, have higher
Softening point, very strong cohesion and higher cryogenic tensile rate, low-temperature ductility, reach the special index request of caulking material,
To avoid, using color problem is covered caused by matrix pitch raw material, being carried out with various color pigments needed for mix and presentation
Color, to the crack of the colored road surface of available repairing a variety of colors.
Furthermore color asphalt caulking material of the invention can carry out very with the pigment of the multiple colors such as red, yellow, green, blue
It mixes and stirs well, declining to a great extent for the performance of caulking material will not be caused after mix, fine is reached to the crack of colored road surface
Repairing performance and repair efficiency.
（2）The activator of the present invention plays important work for the crosslinking bond type, crosslink density, mechanical property of polymer
With making original side chain on polymer molecule be selectively bonded with the activity chemistry on other molecules and close, make Petropols, phase
Stable netted colloform texture can be formed by holding between agent, polymer, improved the resistance to tearing and wearability of product, made production of the present invention
The performance of product is more stable.
（3）Since the thermal stability of the block copolymer containing unsaturated double-bond is poor, the present invention is made by grafting agent
Unsaturated double-bond fracture connects with plastic molecules, forms novel polymer material that is a kind of while having plastics and rubber performance,
And solve the problems, such as the poor compatibility between polymer and compatilizer, unstable, and initiator is added can be with grafting agent phase
Mutually cooperation, significantly improves grafting rate, avoids since grafting rate caused by single use grafting agent is relatively low, polymer and compatilizer
Poor compatibility, product thermal stability difference problem.
（4）It first passes through extruder to pre-process polymer and grafting agent, initiator, activator, anti-aging agent, removal is poly-
The small molecular weight impurity in object is closed, reactivity is improved, different types of polymer is enable to become the uniform system that performance is stablized.
（5）Since high-temperature heating will appear aging to Petropols for a long time, properties of product are influenced, the present invention uses 100 DEG C
Petropols and the swollen polymer at 150~170 DEG C can be dissolved at the compatilizer of liquid, and at 100~150 DEG C, in this way
Can quickly, be sufficiently completed and dissolve and be swollen, and can to avoid the volatilization of light component in the aging of Petropols and compatilizer,
It is reacted simultaneously with mixture at 160~200 DEG C, can quickly generate active chemical bond, polymer completion is rapidly completed
Polymerization, graft reaction, further avoid the aging of Petropols, and keep polymerization, graft reaction more thorough, product property is more
Stablize.
Specific implementation mode
The technical characterstic that the invention is further illustrated by the following examples, but these embodiments cannot limit the present invention.
In the present invention, wt% is mass fraction.
Embodiment 1
（1）Polymer, grafting agent, initiator, activator, antioxidant MB (2-mercaptobenzimidazole) are uniformly mixed；
（2）It will（1）In uniform mixture be added in double screw extruder and be kneaded, the temperature near feed inlet is not higher than
60 DEG C, the temperature of conversion zone is 180 DEG C, and the temperature of extrusion is 170 DEG C, after 3 cycles, obtains mixed material；
（3）Petropols and compatilizer are heated to 140 DEG C, are allowed to all dissolve as uniform mixed solution；
（4）It will（2）In obtained material be added to（3）In mixed solution in stir evenly, be swollen, swelling temperature 160
DEG C, time 40min, the colloid mill 3 times for being 3000 revs/min by rotating speed by entire mixture material, later in 190 DEG C of production
4 hours are stirred in product tank to get caulking material.Material name, proportioning and model such as the following table 1 of the present embodiment caulking material, institute
The performance for obtaining product is shown in Table 6.
Material name, proportioning and the model of 1 caulking material of table
| Material classification | Title material | Specifications and models | Mass fraction, % |
| Petropols | C5 | Coloration 6 | 10 |
| Compatilizer | Deasphalted oil | 100 DEG C of viscosity 300-450mm2/ s, wherein saturation divides content 16wt%, fragrance to divide content 55wt% | 37 |
| Polymer 1 | PE | Molecular weight 40,000 or so | 10 |
| Polymer 2 | SBR | Molecular weight 150,000 or so | 30 |
| Grafting agent | Maleic anhydride | Solid-state | 1.5 |
| Initiator | Azodiisobutyronitrile | Solid-state | 2.5 |
| Activator | Zinc oxide | Powder | 1.5 |
| Anti-aging agent | Antioxidant MB | Powder | 3 |
| Anti-wear agent | Si69 | Solid | 4.5 |
Embodiment 2
（1）Polymer, grafting agent, initiator, activator, anti-aging agent are uniformly mixed；
（2）It will（1）In uniform mixture be added in single screw extrusion machine and be kneaded, the temperature near feed inlet is not higher than
60 DEG C, the temperature of conversion zone is 180 DEG C, and the temperature of extrusion is 170 DEG C, after 3 cycles, obtains mixed material；
（3）Petropols and compatilizer are heated to 140 DEG C, are allowed to all dissolve as uniform mixed solution；
（4）It will（2）In obtained material be added to（3）In mixed solution in stir evenly, be swollen, swelling temperature 160
DEG C, time 40min, the colloid mill 3 times for being 3000 revs/min by rotating speed by entire mixture material, later in 190 DEG C of production
8 hours are stirred in product tank to get caulking material.Material name, proportioning and model such as the following table 2 of the present embodiment caulking material, institute
The performance for obtaining product is shown in Table 6.
Material name, proportioning and the model of 2 caulking material of table
| Material classification | Title material | Specifications and models | Mass fraction, % |
| Petropols | C5 | Coloration 6 | 19 |
| Compatilizer | Rubber filling oil | 100 DEG C of viscosity 50-100mm2/ s, wherein saturation divides content 23wt%, fragrance to divide content 48wt% | 39 |
| Polymer 1 | SBR | Molecular weight 150,000 or so | 10 |
| Polymer 2 | Nylon66 fiber | Molecular weight 20,000 or so | 15 |
| Polymer 3 | PE | Molecular weight 40,000 or so | 7 |
| Grafting agent | Maleic anhydride | Solid-state | 1 |
| Initiator | Azodiisobutyronitrile | Solid-state | 2 |
| Activator 1 | Zinc oxide | Powder | 0.5 |
| Activator 2 | Stearic acid | Solid-state | 0.5 |
| Anti-aging agent | Antioxidant MB | Powder | 3 |
| Anti-wear agent | Si50 | Solid | 3 |
Embodiment 3
（1）Polymer, grafting agent, initiator, activator, anti-aging agent are uniformly mixed；
（2）It will（1）In uniform mixture be added in double screw extruder and be kneaded, the temperature near feed inlet is not higher than
60 DEG C, the temperature of conversion zone is 180 DEG C, and the temperature of extrusion is 170 DEG C, after 3 cycles, obtains mixed material；
（3）Petropols and compatilizer are heated to 140 DEG C, are allowed to all dissolve as uniform mixed solution；
（4）It will（2）In obtained material be added to（3）In mixed solution in stir evenly, be swollen, swelling temperature 160
DEG C, time 40min, the colloid mill 3 times for being 3000 revs/min by rotating speed by entire mixture material, later in 190 DEG C of production
8 hours are stirred in product tank to get caulking material.Material name, proportioning and model such as the following table 3 of the present embodiment caulking material, institute
The performance for obtaining product is shown in Table 6.
Material name, proportioning and the model of 3 caulking material of table
| Material classification | Title material | Specifications and models | Mass fraction, % |
| Petropols | C9 | Coloration 19 | 18 |
| Compatilizer | Refined aromatic naphtha | 100 DEG C of viscosity 800-850mm2/ s, wherein saturation divides content 20wt%, fragrance to divide content 56wt% | 36 |
| Polymer 1 | SBR | Molecular weight 120,000 or so | 8 |
| Polymer 2 | Nylon66 fiber | Molecular weight 20,000 or so | 25 |
| Grafting agent | Maleic anhydride | Solid-state | 1.5 |
| Initiator | Azodiisobutyronitrile | Solid-state | 2 |
| Activator 1 | Zinc oxide | Powder | 1.5 |
| Activator 2 | Lauric acid/dodecanoic acid | Solid-state | 0.1 |
| Anti-aging agent | Antioxidant MB | Powder | 4 |
| Anti-wear agent | Si50 | Solid | 4 |
Comparative example 1
Petropols and compatilizer are added in a kettle, is heated to 150 DEG C, is allowed to all dissolve, adds Polymer SBS and stir
The colloid mill 1 time for being 3000 revs/min by rotating speed after mixing uniformly, is then added thinner, activator stirs evenly, and waits reacting
After be 3000 revs/min by rotating speed colloid mill 2 times, add hydrocarbon mixture later, stir evenly to get colour
Ground surface material.This comparative example formulating colorful ground surface material, material name, proportioning and model such as the following table 4, the performance of products obtained therefrom
It is shown in Table 6.
Material name, proportioning and the model of 4 colored road surface material of table
| Material classification | Title material | Specifications and models | Mass fraction, % |
| Petropols | C9 | Coloration 19 | 34 |
| Compatilizer | Refined aromatic naphtha | 100 DEG C of viscosity 800-850mm2/ s, wherein saturation divides content 20wt%, fragrance to divide content 56wt% | 38 |
| Polymer | SBS | Molecular weight 120,000 or so | 6 |
| Thinner | - | Yellow, fineness are more than 80 | 2.5 |
| Activator | Elemental sulfur | Fineness is more than 100 | 1 |
| Hydrocarbon mixture | Alkane, the cycloalkanes of 10-22 carbon atom | Liquid | 18.5 |
Comparative example 2
Matrix pitch is heated to 150 DEG C, compatilizer and Polymer SBS is then added, by rotating speed is 3000 after stirring evenly
Rev/min colloid mill 1 time, vulcanizing agent is then added, 8 hours are stirred in 170 DEG C of products pot to get conventional pitch road surface
Caulking material.Title, specifications and models and the proportioning of each raw material of this comparative example such as the following table 5, the performance of products obtained therefrom are shown in Table 6.
Material name, proportioning and the model of the caulking material on 5 conventional pitch road surface of table
| Material classification | Title material | Specifications and models | Mass fraction, % |
| Matrix pitch | - | No. 90 pitches | 55 |
| Compatilizer | Refined aromatic naphtha | 100 DEG C of viscosity 800-850mm2/ s, wherein saturation divides content 20wt%, fragrance to divide content 56wt% | 22 |
| Polymer | SBS | Molecular weight 120,000 or so | 22 |
| Vulcanizing agent | Elemental sulfur | Powdery | 1 |
Comparative example 3
The raw material and method of this comparative example 3 are substantially same as Example 1, and difference is：Do not add zinc oxide, products obtained therefrom
Performance be shown in Table 6.Wherein, in preparation process, it may appear that serious gel, the problem of influencing the conveying and use of product, product
Performance is excessively poor.If in order to avoid the occurrence of gelatin phenomenon, need to shear for a long time, energy consumption is larger, and obtains after preparing
Product still has the possibility of gel, is unfavorable for later use.
Comparative example 4
The raw material and method of this comparative example 4 are substantially same as Example 1, and difference is：Azodiisobutyronitrile is not added, institute
The performance for obtaining product is shown in Table 6.Wherein, block copolymer reacting activity containing unsaturated double-bond declines, plastics cannot with containing
The block copolymer of unsaturated double-bond forms stable homogeneous system, the graft reaction that can not be completed in desired double bond, grafting
Effect is bad so that the compatibility poor of polymer and compatilizer；In low temperature stress, plastics inner will produce much small split
Line makes toughness of material decline, to reduce the crack resistance at low-temperature of product.
Test case 1
Material obtained by embodiment 1-3 and comparative example 1-4 is tested.Needle penetration is surveyed according to GB/T4509 methods
Fixed, softening point is measured according to GB/T4507 methods, and ductility is measured according to GB/T4508 methods, elastic restoration ratio
It is to be measured according to SH/T0737 methods, brittle point is measured according to GB/T4510 methods, and test result is shown in Table 6.
The performance of the caulking material of 6 color asphalt of table
| Pilot project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| 25 DEG C of needle penetrations, 0.1mm | 86 | 65 | 51 | ＞ 200 | 67 | 81 | 85 |
| Softening point, DEG C | 92.8 | 104.5 | 118.4 | 28.8 | 94 | 95.2 | 94.3 |
| 5 DEG C of ductilities, cm | 64 | 53 | 30 | 58 | 52 | 11 | 18 |
| Elasticity is restored, % | 90 | 98 | 91 | 37 | 65 | 71 | 77 |
| Brittle point, DEG C | -26 | -20 | -19 | ＜ -30 | -20 | -12 | -20 |
| Fluidity, mm | 0 | 0 | 0 | ＞ 5 | 0.52 | 3 | 4 |
| - 10 DEG C of amount of tension, mm | ≥15 | ≥15 | ≥15 | ≥15 | ≥15 | 11 | 13 |
The performance indicator of pitch filleting packing material requires to may refer to JT/T 589- 2004《Cement concrete pavement filleting is close
Closure material》, table 7 specific as follows.
Table 7 heats the performance indicator of construction formula sealing material
| Pilot project | High resiliency type |
| Needle penetration, 0.1mm | ＜ 90 |
| Elasticity（Restore）Rate, % | ≥60 |
| Fluidity, mm | ＜ 2 |
| Amount of tension（-10℃）, mm | ≥15 |
It was found from table 6 and table 7：The substantially non-compliant technology requirement of the performance of comparative example 1, comparative example 1 can only be mixed with building stones
It is used after conjunction, small crack can not be repaired；The performance of comparative example 2 with the present invention caulking material it is suitable, but comparative example 2 be with
Black road pitch is raw material, and appearance is black, and can not also change its color after adding pigment, and shadow is repaired for colored road surface
Ring appearance.
The caulking material of 1-3 of the embodiment of the present invention not only conforms with the technology requirement of standard, and can repair a variety of colors
Colored road surface, have stronger practicability.
Test case 2
To the material and pigment mix obtained by embodiment 1-3 and comparative example 1 and 2.
Material obtained by embodiment 1-3 and comparative example 1 and 2 is heated to flow, 5% oxygen is added wherein respectively
Change iron oxide red, test performance is shown in Table 8.
Table 8
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 |
| Apparent condition | Red solid | Red solid | Red solid | Red mucus | Black solid |
| Elasticity is restored, % | 86 | 91 | 82 | 29 | 47 |
| Brittle point, DEG C | -25 | -18 | -17 | -24 | -15 |
| 135 DEG C of rotary viscosities, Pa.s | 3.757 | 4.105 | 4.637 | 0.875 | 3.457 |
It can be seen from the data in Table 8 that after pigment is added, the elastic restoration ratio of comparative example 1 and 2 is below standard requirement, and originally
Invention still conforms to require；From the point of view of from the appearance, comparative example 1 is red mucus, and elastic restoration ratio is excessively poor, cannot be directly used to
Pavement crack repair, comparative example 2 are black solid, are not suitable for colorized road surface crack repairing.
Test case 3
After construction, the caulking material of 1-3 of the embodiment of the present invention can with crack periphery tight bond, by actual use 1 year
Effect does not occur the phenomenon that any stripping and fracture, it is contemplated that service life is 5~10 years.
Claims (15)
1. a kind of caulking material of Colorful Asphalt Pavement, which is characterized in that the caulking material includes following component, with quality point
Number meter：Petropols 8%~20%, compatilizer 15%~40%, polymer 22%~60%, grafting agent 0.1%~2.0%, initiator
0.1%~3.0%, activator 0.05%~2.0%, anti-aging agent 1%~4%, anti-wear agent 2%~5%.
2. caulking material according to claim 1, it is characterised in that：The Petropols are C5 Petropols and/or C9
The coloration of Petropols, the Petropols is preferably 6~19.
3. caulking material according to claim 1, it is characterised in that：The compatilizer is atmospheric distillate, atmospheric fractions
One or more of oil, refined aromatic naphtha, rubber filling oil, deasphalted oil, catalytic cracked oil pulp.
4. caulking material according to claim 1 or 3, it is characterised in that：100 DEG C of viscosity of the compatilizer be 30~
1500mm2/ s, saturation point and fragrance divide the sum of content to be more than or equal to 70wt% in the compatilizer.
5. caulking material according to claim 1, it is characterised in that：The polymer is plastics and contains unsaturated double-bond
Block copolymer, the block copolymer containing unsaturated double-bond is preferably one kind in SBS, SBR, EVA, SIS, SEP
Or it is a variety of, the plastics are preferably one or more in PP, PE, nylon, PS, PVC, ABS, the block copolymer amount
Preferably 100000~300000, the plastic molecules amount is preferably 10000~500000, the plastics with containing unsaturated double
The weight ratio of the block copolymer of key is preferably 1：（0.3~4.0）.
6. caulking material according to claim 1, it is characterised in that：The grafting agent is organic acid anhydride, carboxylic acid, asphalt mixtures modified by epoxy resin
One or more of fat, oxazoline, acid imide, isocyanates, the organic acid anhydride are preferably the third acid anhydride of second, acetic anhydride, adjacent benzene
One or more of dicarboxylic acid anhydride, maleic anhydride, benzoyl oxide, the carboxylic acid are preferably formic acid, acetic acid, aliphatic acid, fragrance
One or more of acid.
7. caulking material according to claim 1, it is characterised in that：The initiator is azo-compound and/or peroxide
Compound, the azo-compound are preferably one or more of azo-bis-isobutyl cyanide, azodicarbonamide, the peroxidating
It is preferably one kind in benzoyl peroxide, the tertiary fourth cyanogen of benzoyl peroxide, methyl ethyl ketone peroxide, cumyl peroxide to close object
Or it is several.
8. caulking material according to claim 1, it is characterised in that：The plasticizer is dioctyl phthalate, neighbour
One or more of phthalic acid di-n-octyl, BBP(Butyl Benzyl Phthalate.
9. caulking material according to claim 1, it is characterised in that：The activator is metal oxide and/or long-chain
Organic acid, the metal oxide are preferably one in zinc oxide, ferrous oxide, titanium oxide, cobalt oxide, chromium oxide, vanadium oxide
Kind is several, and the long chain organic acid is preferably stearic acid, palmitic acid, oleic acid, linoleic acid, n-capric acid, undecenoic acid, 12
One or more of acid, tetradecylic acid, hexadecylic acid.
10. caulking material according to claim 1, it is characterised in that：The anti-aging agent is antioxidant D, anti-aging agent RD, prevents
It is one or more in old agent 124, antioxidant MB, antioxidant D NP.
11. caulking material according to claim 1, it is characterised in that：The anti-wear agent, which is one or more low molecules, to be had
Organic silicon compound, preferably one or more of Si69, Si50, Si602, A151, A171, A172.
12. a kind of preparation method of the caulking material of Colorful Asphalt Pavement as described in any one of claim 1-11,
It is characterized in that, the preparation method includes the following steps：
（1）Polymer, grafting agent, initiator, activator, anti-aging agent are uniformly mixed；
（2）It will（1）In uniform mixture be added in twin screw or single screw extruder and be kneaded, obtain mixture；
（3）Petropols and compatilizer heating are molten into uniform mixed liquor；
（4）It will（2）In obtained mixture be added to（3）In mixed liquor in be swollen, and form stabilization by colloid mill
Cementitious matter, be then stirred uniformly, obtain the caulking material.
13. preparation method according to claim 12, it is characterised in that：In step（1）In, the temperature of the mixing is 15
DEG C~40 DEG C, the time is 10 min~30min；In step（2）In, the temperature of the mixing is 160 DEG C~200 DEG C, and cycle is mixed
It is 2 ~ 5 times to refine number.
14. preparation method according to claim 12 or 13, it is characterised in that：In step（3）In, the heating fusing
Temperature is 100 DEG C~150 DEG C, and the time is 20 min~60min.
15. preparation method according to claim 12 or 13, it is characterised in that：In step（4）In, the temperature of the swelling
It it is 150 DEG C~170 DEG C, the time is 30 min~90min, and the temperature of stirring is 170 DEG C~200 DEG C, and the time is 4~12h.
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| CN114316505A (en) * | 2022-01-06 | 2022-04-12 | 广州市市维新材料科技有限公司 | Decolorized cold patch asphalt and preparation method thereof, reactive high-performance colored asphalt cold patch material and preparation method and use method thereof |
| CN115746546A (en) * | 2022-11-15 | 2023-03-07 | 大连海事大学 | Resin-based asphalt pavement shallow groove repairing material and preparation method and construction method thereof |
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| CN114316505A (en) * | 2022-01-06 | 2022-04-12 | 广州市市维新材料科技有限公司 | Decolorized cold patch asphalt and preparation method thereof, reactive high-performance colored asphalt cold patch material and preparation method and use method thereof |
| CN115746546A (en) * | 2022-11-15 | 2023-03-07 | 大连海事大学 | Resin-based asphalt pavement shallow groove repairing material and preparation method and construction method thereof |
| CN115746546B (en) * | 2022-11-15 | 2024-02-20 | 大连海事大学 | Resin-based asphalt pavement shallow groove repair material and preparation method and construction method thereof |
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Effective date of registration: 20230606 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |