CN105906227A - Protective agent for water-permeable and water-retaining concrete roads, and preparation method and application thereof - Google Patents
Protective agent for water-permeable and water-retaining concrete roads, and preparation method and application thereof Download PDFInfo
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- CN105906227A CN105906227A CN201610258698.6A CN201610258698A CN105906227A CN 105906227 A CN105906227 A CN 105906227A CN 201610258698 A CN201610258698 A CN 201610258698A CN 105906227 A CN105906227 A CN 105906227A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/488—Other macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
- C04B41/4884—Polyurethanes; Polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a protective agent for water-permeable and water-retaining concrete roads, and a preparation method and an application thereof. The protective agent includes the following components in parts by weight: 40-60 parts of a diacrylic polyurethane solution, 20-40 parts of a water-based color paste, and 10-40 parts of water. The protective agent for the water-permeable and water-retaining concrete roads has the advantages of good durability, ultraviolet light prevention, freezing resistance, abrasion resistance and the like. The preparation method of the protective agent for the water-permeable and water-retaining concrete roads comprises mixing and stirring of the raw materials, has the advantages of being convenient, simple, and easy to operate, and is suitable for mass production and wide application. According to the application of the protective agent for the water-permeable and water-retaining concrete roads, a construction method of the protective agent is provided, uniform spraying is ensured, the protection effect of the protective agent after the protective agent is sprayed is ensured, and the cement concrete roads after the protective agent is sprayed is more bright-colored, brighter and more durable.
Description
Technical field
The present invention relates to water coagulation dirt road road construction field, in particular to one for permeable guarantor
The protective agent on water coagulation dirt road road and its preparation method and application.
Background technology
The concept in sponge city is the urban ecology environment friendly system completed based on permeable road.Permeable guarantor
Before the research application of water cement concrete starts from more than 100 year, record according to V.M.Malhortra, 1852
Year, Britain was owing to lacking fine aggregate in work, developed the concrete without fine aggregate, the most thoroughly
Water coagulation soil.The U.S. began to normal concrete ground and water penetration coagulation in the sixties in 20th century
The research of soil mixing proportion design method.Nineteen ninety-five, the Nader Ghafoorim of south University of Illinois
Elaborate the summary without fine concrete, it is proposed that this concept of pervious concrete.
Water-permeable and water retention concrete road is the key building sponge city.In order to make water-permeable and water retention road exist
Town road build in more bright-coloured light, durable, protectant research and development are the most particularly important.And it is traditional
Organic type protective agent pollutes the environment, and the cement concrete road that water conservation can not be coordinated permeable uses.
In view of this, the special proposition present invention.
Summary of the invention
The first object of the present invention is to provide a kind of protective agent for water-permeable and water retention concrete road,
The problem that can not be applied to water-permeable and water retention concrete road with the existing organic type protective agent of solution, described
For the protective agent of water-permeable and water retention concrete road, there is good endurance, anti-ultraviolet, freeze proof wear-resisting
Etc. advantage.
The second object of the present invention is to provide a kind of described guarantor for water-permeable and water retention concrete road
Protect the preparation method of agent, the method by raw material being mixed and stirring, have conveniently, simple,
The advantage such as easily operated.
The third object of the present invention is to provide a kind of described guarantor for water-permeable and water retention concrete road
Protecting the application of agent, this application defines the quantity for spray of every square metre of cement concrete road, after spraying
The more bright-coloured light of cement concrete road, durable.
In order to realize the above-mentioned purpose of the present invention, spy by the following technical solutions:
A kind of protective agent for water-permeable and water retention concrete road, including prepare according to parts by weight as
Lower component:
Double acrylic polyurethane solution 40-60 parts, aqueous color paste 20-40 part, water 10-40 part.
Double acrylic polyurethane solution are double-component reactive polyurethane chemical productss, for colored strong permeable
Concrete or the undisguised material dried encapsulation process of pervious concrete.Can also be used for color asphalt road
Coloring or colourless sealing, wettability is splendid, can percdation base material to 3-5mm, by the top layer containing alkali part
Water cements out, and coordinates aqueous color paste, to reach the effect of polishing and color difference eliminating, this product simultaneously
By forming one layer of tough and tensile transparent high gloss thin film after having reacted, it is greatly improved road surface wearability also
Reducing the generation of aggregate in use obscission, road pavement provides persistently protection, vivid as new in 5 years,
Reduce maintenance and maintenance cost.This product is fully transparent tough and tensile chemical product after having solidified, when
When needing coloring to seal, aqueous color paste can be coordinated to be processed into any color of needs.
Aqueous color paste is the pigment concentrate slurry with water as disperse medium, it by dispersant, wetting agent,
Stabilizer and other functional agents make the abundant moistening of pigment, dispersion, reach optimize pigment application performance,
The effect of stabilising system effect.
The protective agent for water-permeable and water retention concrete road that the present invention provides, all components all use water
Property raw material, be different from traditional protection agent, use organic material.Traditional protective agent, is playing guarantor
While protecting effect, also acting as waterproof action, waterproof is one of its mode protecting road surface.But,
The protective agent that the present invention provides, Main Function is more than protection road surface and increases pavement strength.Meanwhile,
Also need to coordinate water-permeable and water retention cement concrete road, play permeable effect, as surface layer, by rainwater
It is directed to below road surface and road surface, plays one of the key in structure sponge city, effectively utilize rainwater,
Store subsoil water, play the effect of environmental protection.
Preferably, the described protective agent for water-permeable and water retention concrete road, in terms of parts by weight,
Specifically include following component:
Double acrylic polyurethane solution 45-55 parts, aqueous color paste 25-35 part, water 20-30 part.
Preferably, the described protective agent for water-permeable and water retention concrete road, in terms of parts by weight,
Preferably, including following component:
Double acrylic polyurethane solution 50 parts, aqueous color paste 40 parts, 10 parts of water.
Preferably, the described protective agent for water-permeable and water retention concrete road, in terms of parts by weight,
Preferably, including following component:
Double acrylic polyurethane solution 50 parts, aqueous color paste 20 parts, 30 parts of water.
Preferably, described pair of acrylic polyurethane is double-component reactive polyurethane chemical products.
A kind of protectant preparation method for water-permeable and water retention concrete road, comprises the following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stirs, obtain this use
Protective agent in water-permeable and water retention concrete road.
Raw material is mixed and stirred for uniformly according to set number, i.e. can obtain this and be used for water-permeable and water retention coagulation
The protective agent on dirt road road.The method is convenient, simple, easily operated, is suitable for batch production and extensively should
With.
Preferably, the time of described stirring is 10-14 hour.
The protective agent for water-permeable and water retention concrete road that the present invention provides, raw material is water-based material,
Water-based material is with water as dispersant.Therefore, sufficiently to stir upon mixing, it is ensured that mixing
Uniformly.
A kind of protectant application for water-permeable and water retention concrete road, on cement concrete pavement
0.2-0.3 kilogram of protective agent of every square metre of spraying.
When construction, on cement concrete pavement, the 0.2-0.3 kilogram of present invention of every square metre of spraying carries
The protective agent of confession, can ensure that road surface is protected, it is to avoid the waste of material.
Preferably, described spraying uses airless sprayer to spray.
High pressure airless spray equipment utilizes high-pressure plunger pump that coating is pressurized to 3000PSI, it is thus achieved that the painting of high pressure
Material is transported to spray gun by high-pressure hose, via nozzle release pressure initiation atomization, thus in link table
Face forms the coating of densification.Compressed air is need not owing to coating is atomized, therefore referred to as airless spraying.
Preferably, during spraying the spray gun of described airless sprayer away from ground 80-120 millimeter.
When using airless sprayer spraying, it should be ensured that the distance on spray gun and ground, it is ensured that spraying equal
Even degree.If spraying uneven, directly affect the quality on road surface.
Compared with prior art, the invention have the benefit that
1), the present invention provide the protective agent for water-permeable and water retention concrete road, there is durability
Good, anti-ultraviolet, the freeze proof advantage such as wear-resisting.
2), the protectant preparation method for water-permeable and water retention concrete road that provides of the present invention, logical
Cross and raw material is mixed and stirs, the advantage such as there is conveniently, simple, easily operated, be suitable for batch
Produce and extensively application.
3), the protectant application for water-permeable and water retention concrete road that the present invention provides, it is provided that
This protectant construction method, it is ensured that spraying is uniformly, it is ensured that protectant protected effect after spraying, spray
The more bright-coloured light of cement concrete road after coating protectant, durable.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but this area skill
Art personnel are it will be appreciated that the following example is merely to illustrate the present invention, and are not construed as limiting the present invention
Scope.Unreceipted actual conditions person in embodiment, the condition advised according to normal condition or manufacturer
Carry out.Agents useful for same or instrument unreceipted production firm person, being can be by commercially available purchase acquisition
Conventional products.
Embodiment 1
The protective agent for water-permeable and water retention concrete road that the present invention provides, including following components:
Double acrylic polyurethane solution 400kg, aqueous color paste 300kg, water 300kg.
For protectant preparation method of water-permeable and water retention concrete road in the present embodiment, specifically include
Following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stirs, obtain this use
Protective agent in water-permeable and water retention concrete road.
For protectant application of water-permeable and water retention concrete road in the present embodiment: at cement concrete
The protective agent that on road surface, every square metre of spraying 0.2kg the present embodiment is provided.
Embodiment 2
The protective agent for water-permeable and water retention concrete road that the present invention provides, including following components:
Double acrylic polyurethane solution 600kg, aqueous color paste 200kg, water 200kg.
For protectant preparation method of water-permeable and water retention concrete road in the present embodiment, specifically include
Following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stirs 10 hours,
It is used for the protective agent of water-permeable and water retention concrete road to this.
Protectant application in the present embodiment: every square metre of spraying 0.3kg on cement concrete pavement
The protective agent that the present embodiment is provided.
Embodiment 3
The protective agent for water-permeable and water retention concrete road that the present invention provides, including following components:
Double acrylic polyurethane solution 500kg, aqueous color paste 400kg, water 100kg.
For protectant preparation method of water-permeable and water retention concrete road in the present embodiment, specifically include
Following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stirs 11 hours,
It is used for the protective agent of water-permeable and water retention concrete road to this.
Protectant application in the present embodiment: every square metre uses without gas blowout on cement concrete pavement
Painting machine carries out spraying the protective agent that 0.25kg the present embodiment is provided, and the spray of airless sprayer during spraying
Rifle is away from 80 millimeters of ground.
Embodiment 4
The protective agent for water-permeable and water retention concrete road that the present invention provides, including following components:
Double acrylic polyurethane solution 500kg, aqueous color paste 200kg, water 300kg.
For protectant preparation method of water-permeable and water retention concrete road in the present embodiment, specifically include
Following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stirs 12 hours,
It is used for the protective agent of water-permeable and water retention concrete road to this.
Protectant application in the present embodiment: every square metre uses without gas blowout on cement concrete pavement
Painting machine carries out spraying the protective agent that 0.25kg the present embodiment is provided, and the spray of airless sprayer during spraying
Rifle is away from 100 millimeters of ground.
Embodiment 5
The protective agent for water-permeable and water retention concrete road that the present invention provides, including following components:
Double acrylic polyurethane solution 450kg, aqueous color paste 350kg, water 200kg.
For protectant preparation method of water-permeable and water retention concrete road in the present embodiment, specifically include
Following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stirs 13 hours,
It is used for the protective agent of water-permeable and water retention concrete road to this.
Protectant application in the present embodiment: every square metre uses without gas blowout on cement concrete pavement
Painting machine carries out spraying the protective agent that 0.25kg the present embodiment is provided, and the spray of airless sprayer during spraying
Rifle is away from 120 millimeters of ground.
Embodiment 6
The protective agent for water-permeable and water retention concrete road that the present invention provides, including following components:
Double acrylic polyurethane solution 450kg, aqueous color paste 250kg, water 300kg.
For protectant preparation method of water-permeable and water retention concrete road in the present embodiment, specifically include
Following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stirs 14 hours,
It is used for the protective agent of water-permeable and water retention concrete road to this.
Protectant application in the present embodiment: every square metre uses without gas blowout on cement concrete pavement
Painting machine carries out spraying the protective agent that 0.25kg the present embodiment is provided, and the spray of airless sprayer during spraying
Rifle is away from 80 millimeters of ground.
Embodiment 7
The protective agent for water-permeable and water retention concrete road that the present invention provides, including following components:
Double acrylic polyurethane solution 550kg, aqueous color paste 250kg, water 200kg.
For protectant preparation method of water-permeable and water retention concrete road in the present embodiment, specifically include
Following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stir 12.5 hours,
Obtain this protective agent for water-permeable and water retention concrete road.
Protectant application in the present embodiment: every square metre uses without gas blowout on cement concrete pavement
Painting machine carries out spraying the protective agent that 0.3kg the present embodiment is provided, and the spray of airless sprayer during spraying
Rifle is away from 120 millimeters of ground.
Embodiment 8
The protective agent for water-permeable and water retention concrete road that the present invention provides, including following components:
Double acrylic polyurethane solution 400kg, aqueous color paste 200kg, water 400kg.
For protectant preparation method of water-permeable and water retention concrete road in the present embodiment, specifically include
Following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stir 13.5 hours,
Obtain this protective agent for water-permeable and water retention concrete road.
Protectant application in the present embodiment: every square metre uses without gas blowout on cement concrete pavement
Painting machine carries out spraying the protective agent that 0.2kg the present embodiment is provided, and the spray of airless sprayer during spraying
Rifle is away from 100 millimeters of ground.
Cement concrete road water absorption rate is tested after using protective agent by experimental example 1
This experiment is tested according to water absorption reduction rate detection method in JTL275-2000.Water suction fall
The test of low rate, the most at least place 7 days, drills through a diameter of 50mm, the degree of depth for (40 ± 5)
The core sample of mm, uses weight method to measure water absorption rate.
The water conservation water-permeable cement concrete material used, including: 85 parts of particle diameters are below 1-2mm's
Building stones, 15 parts of P.O42.5 cement are pre-configured, add the gel of 0.5%, are then respectively adding
The protective agent for this road that embodiment of the present invention 1-8 is provided.
Comparative example is without protectant cement concrete provided by the present invention.
Experimental result is as shown in table 1.
Table 1 water absorption rate test result
| Sequence number | Water absorption rate (mm/min0.5) |
| Embodiment 1 | 9 |
| Embodiment 2 | 9.8 |
| Embodiment 3 | 10.1 |
| Embodiment 4 | 11 |
| Embodiment 5 | 11.5 |
| Embodiment 6 | 12 |
| Embodiment 7 | 12.8 |
| Embodiment 8 | 13.8 |
| Comparative example | 8 |
It is demonstrated experimentally that after using, on water conservation pervious concrete road, the protective agent that invention provides, not
Affect its water absorption rate, jointly play the effect that water conservation is permeable.
Experimental example 2 uses water retention and the strength test after protective agent to cement concrete road
The water conservation water-permeable cement concrete material used, including: 85 parts of particle diameters are below 1-2mm's
Building stones, 15 parts of P.O42.5 cement are pre-configured, add the gel of 0.5%, are then respectively adding
The protective agent for this road that embodiment of the present invention 1-8 is provided.Test this road surface water retention and
Intensity.
Comparative example is without protectant cement concrete provided by the present invention.
Experimental result is as shown in table 2.
Table 2 water retention and strength test results
It is demonstrated experimentally that add the cement concrete protective agent that the present invention provides, not only road is had necessarily
Protective effect, also contribute to intensity and the water retention on road surface, extend the use of cement concrete
In the life-span, reduce maintenance cost.And compared with comparative example, add the cement concrete that the present invention provides
Protectant pavement of road is more bright-coloured, bright, attractive in appearance.
In sum, the protective agent for water-permeable and water retention concrete road that the present invention provides, have resistance to
For a long time property is good, anti-ultraviolet, the freeze proof advantage such as wear-resisting.The present invention provide for water-permeable and water retention concrete
Protectant preparation method of road, by mixing raw material and stirring, has convenience, letter
The advantage such as single, easily operated, is suitable for batch production and extensively application.The present invention provide for permeable
Protectant application of moisture retention concrete road, it is provided that this protectant construction method, it is ensured that spraying
Uniformly, it is ensured that protectant protected effect after spraying, the cement concrete road after sprayed protection agent is more
Add bright-coloured light, durable.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that and do not carrying on the back
May be made that in the case of the spirit and scope of the present invention many other change and amendment.Therefore,
This means all these changes including belonging in the scope of the invention in the following claims and repair
Change.
Claims (10)
1. the protective agent for water-permeable and water retention concrete road, it is characterised in that include according to weight
The following component of amount number preparation:
Double acrylic polyurethane solution 40-60 parts, aqueous color paste 20-40 part, water 10-40 part.
Protective agent for water-permeable and water retention concrete road the most according to claim 1, its feature
It is, in terms of parts by weight, specifically includes following component:
Double acrylic polyurethane solution 45-55 parts, aqueous color paste 25-35 part, water 20-30 part.
Protective agent for water-permeable and water retention concrete road the most according to claim 1, its feature
It is, in terms of parts by weight, it is preferred that include following component:
Double acrylic polyurethane solution 50 parts, aqueous color paste 40 parts, 10 parts of water.
Protective agent for water-permeable and water retention concrete road the most according to claim 1, its feature
It is, in terms of parts by weight, it is preferred that include following component:
Double acrylic polyurethane solution 50 parts, aqueous color paste 20 parts, 30 parts of water.
5. according to the protective agent for water-permeable and water retention concrete road described in any one of claim 1-4,
It is characterized in that, described pair of acrylic polyurethane is double-component reactive polyurethane chemical products.
6. one kind according to the guarantor for water-permeable and water retention concrete road described in any one of claim 1-5
Protect the preparation method of agent, it is characterised in that comprise the following steps:
Double acrylic polyurethane solution of set number, aqueous color paste and water are mixed, stirs, obtain this use
Protective agent in water-permeable and water retention concrete road.
7. the protectant system for water-permeable and water retention concrete road according to claim 6
Preparation Method, it is characterised in that the time of described stirring is 10-14 hour.
8. one kind according to the guarantor for water-permeable and water retention concrete road described in any one of claim 1-7
Protect the application of agent, it is characterised in that every square metre of spraying 0.2-0.3 thousand on cement concrete pavement
Gram protective agent.
9. one kind according to claim 8 for water-permeable and water retention concrete road protectant should
With, it is characterised in that described spraying uses airless sprayer to spray.
10. protectant for water-permeable and water retention concrete road according to claim 9
Application, it is characterised in that during spraying, the spray gun of described airless sprayer is away from ground 80-120 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610258698.6A CN105906227A (en) | 2016-04-22 | 2016-04-22 | Protective agent for water-permeable and water-retaining concrete roads, and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610258698.6A CN105906227A (en) | 2016-04-22 | 2016-04-22 | Protective agent for water-permeable and water-retaining concrete roads, and preparation method and application thereof |
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| CN105906227A true CN105906227A (en) | 2016-08-31 |
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| CN107384066A (en) * | 2017-06-02 | 2017-11-24 | 李谦 | A kind of protective agent on colorful water-permeable road surface and preparation method thereof |
| CN109762468A (en) * | 2019-03-25 | 2019-05-17 | 河北建设集团股份有限公司 | A kind of asphalt concrete pavement protective agent and its preparation method and application |
| CN109762468B (en) * | 2019-03-25 | 2021-07-09 | 河北建设集团股份有限公司 | Asphalt concrete pavement protective agent and preparation method and application thereof |
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