CN109777217A - Concrete road and terrace curing agent and its use device and method - Google Patents
Concrete road and terrace curing agent and its use device and method Download PDFInfo
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- CN109777217A CN109777217A CN201811520261.0A CN201811520261A CN109777217A CN 109777217 A CN109777217 A CN 109777217A CN 201811520261 A CN201811520261 A CN 201811520261A CN 109777217 A CN109777217 A CN 109777217A
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- curing agent
- concrete road
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims description 30
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 11
- 239000000839 emulsion Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 229910001562 pearlite Inorganic materials 0.000 claims description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000006210 lotion Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- IDQBJILTOGBZCR-UHFFFAOYSA-N 1-butoxypropan-1-ol Chemical compound CCCCOC(O)CC IDQBJILTOGBZCR-UHFFFAOYSA-N 0.000 claims description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000004113 Sepiolite Substances 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229910052624 sepiolite Inorganic materials 0.000 claims description 2
- 235000019355 sepiolite Nutrition 0.000 claims description 2
- 239000011863 silicon-based powder Substances 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- 235000009508 confectionery Nutrition 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000001723 curing Methods 0.000 description 39
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 206010016807 Fluid retention Diseases 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerol group Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention discloses a kind of concrete road and terrace curing agent and its use device and method, wherein, concrete road and terrace curing agent include the component of following parts by weight: 40~60 parts of film forming agent, 2~6 parts of coalescing agent, 20~30 parts of fleut, 5~10 parts of inorganic water-retaining agent and 5~10 parts of organic water retainer.The adhesion strength of concrete road produced by the present invention and terrace curing agent and concrete surface is high, curing agent water retention is high, has reflection and heat insulation, and film forming closure is good.
Description
Technical field
The present invention relates to a kind of curing agent technical fields, and in particular to a kind of curing compound and its use device and side
Method.
Background technique
Traditional concrete curing method is the methods of water drenching again after water drenching or covering gunnysack, straw bag, money of both having wasted water
Source, consumption human and material resources and time, and be unable to satisfy high-rise, building and water shortage arid area building construction and want
It asks.With the development of concrete technology, chemical regimen is come into being.Chemical regimen in building surface mainly by spraying
It spills, smear filmogen to prevent the process of inside concrete moisture loss, compared with traditional maintenance process, have and save
Work, it is time saving, water-saving the advantages that, the maintenance suitable for engineerings such as highway, airport Dao Ping, skyscraper, bridges.
Curing compound is a kind of class coating material, is solidified after being sprayed at concrete surface, and one layer of fine and close film is formed,
Make concrete surface and air exclusion, moisture is greatly lowered from concrete surface evaporation loss.To utilize in concrete certainly
The moisture of body completes hydration to the maximum extent, achievees the purpose that maintenance.Curing agent is sprayed on concrete surface, not only can be
Concrete surface quickly forms covering film, while can act on concrete shallow-layer free calcium hydroxide, is formed in permeable formation
Fine and close, hard surface layer prevents moisture evaporation in cement concrete, makes the abundant aquation of cement and reach autotrophy purpose.
Common curing agent domestic at present has waterglass base curing agent, paraffinic base curing agent and the maintenance of polymer monomer resin
Agent.Waterglass base curing agent water retention is low；Polymer monomer resin curing agent film forming closure is poor, the adherency with concrete surface
Power is low, easily peelable, and hydrophobicity is poor, easy to wear in flexibility, intolerant to flushing；Paraffinic base curing agent wears no resistance, and forms a film more crisp, easy
Cracking.Maintenance film layer chance water is easily swollen, wears no resistance, surface layer crack resistance is bad.
Therefore, low for current curing compound water retention, film forming closure is poor, the adhesion strength with concrete surface
It is low, it is easily peelable, and the drawback of hydrophobicity difference, provide a kind of high with the adhesion strength of concrete surface, curing agent water retention it is high and
The closure that forms a film good concrete road/terrace curing agent and its use device and method become urgent problem in the industry.
Summary of the invention
The object of the present invention is to provide it is a kind of can fast filming, with heat-insulated and reflex concrete road/terrace
Curing agent and its use device and method.
The one aspect of scheme according to the present invention provides a kind of concrete road and terrace curing agent comprising following weight
Measure part component: 40~60 parts of film forming agent, 2~6 parts of coalescing agent, 20~30 parts of fleut, 5~10 parts of inorganic water-retaining agent,
And 5~10 parts of organic water retainer.
Selectively, film forming agent includes elastomeric propylene acid copolymer lotion, one acetate copolymer emulsion of ethylene and paraffin
Lotion, wherein the weight percent that elastomeric propylene acid copolymer lotion accounts for film forming agent is 30%~60%, one vinyl acetate of ethylene
Copolymer emulsion account for film forming agent weight percent be 20%~40%, paraffin wax emulsions account for film forming agent weight percent be 10%~
30%.
Selectively, coalescing agent is ethylene glycol, propylene glycol, butyl glycol ether, propylene glycol monomethyl ether, propandiol butyl ether, third
The mixture of one or more of glycol phenylate arbitrary proportion.
Selectively, fleut includes heat-insulated powder, reflective powder and stabilizer powder, wherein heat-insulated powder, anti-
The weight ratio for penetrating powder and stabilizer powder is 4~5:1:1.
Selectively, heat-insulated powder includes activated Calcium carbonate, crushed crude pearlite and mica powder, wherein activated Calcium carbonate account for every
The weight percent of hot powder be 65~75%, crushed crude pearlite account for heat-insulating powder weight percent be 10~20%, mica powder account for every
The weight percent of hot powder is 10~20%.
Preferably, heat-insulating powder includes activated Calcium carbonate, crushed crude pearlite and the mica powder that weight percent is 4:1:1.
Selectively, reflective powder is monocrystalline Si powder；Stabilizer powder is sulfonated graphene, the element of sulfonated graphene
Carbon/element sulphur molar ratio is 6:1~10:1 in composition.
Selectively, the grain diameter of fleut is less than or equal to 100 μm.
Preferably, the grain diameter of fleut is less than or equal to 60 μm.
Selectively, organic water retainer is glycerol, polyethylene glycol or propylene glycol；Inorganic water-retaining agent is sepiolite, calcium chloride
Or magnesium chloride.
The another aspect of scheme according to the present invention provides a kind of using concrete road of the invention and terrace curing agent
Use device comprising: storage department is used to store concrete road and terrace curing agent, and storage department includes cavity, is located at chamber
The feed inlet of body roof side and discharge port positioned at the cavity roof other side；Ejection section, ejection section include ejectisome, set
Feeding inlet in one end wall of ejectisome, the bottom wall set on ejectisome several in plum blossom-shaped equidistant interval arrangement spray heads, set
Force (forcing) pump at the top of ejectisome and the shifting roller set on described ejectisome bottom both ends, wherein feeding inlet passes through conveying
Pipeline is connected with the discharge port of storage department, and described feed-line is equipped with delivery pump；And control unit, control unit and conveying
Pump, force (forcing) pump and shifting roller communication connection, are supported with controlling storage department respectively to ejection section delivering concrete road and terrace
Protect the conveying capacity of agent, the amount of injection for the spray head for controlling ejection section and the movement speed for controlling shifting roller.
Preferably, the bottom of the storage department is equipped with idler wheel and is moved with the movement with the ejection section.
According to the present invention in terms of the third of scheme, a kind of above-mentioned use device of use is provided using above-mentioned concrete road
With the application method of terrace curing agent, comprising: (1), by concrete road and terrace curing agent be poured into storage department；(2), lead to
Cross control unit, spray head of the predetermined storage department to the conveying capacity of ejection section delivering concrete road and terrace curing agent, ejection section
The movement speed of the amount of injection and shifting roller, wherein storage department is to ejection section delivering concrete road and terrace curing agent
Conveying capacity is the half of the capacity of ejectisome to 2/3rds, and the amount of injection of the spray head of ejection section is set as 20~50 millis
Liter/second, the movement speed of shifting roller are set as 0.3~0.5 meter per second；And (3), starting ejection section, by concrete road with
Terrace curing agent is uniformly sprayed on concrete road or terrace.
Selectively, concrete road of the invention and terrace curing agent can also be applied by the way of roller coating in coagulation
On dirt road road or terrace.
Concrete road of the invention is with the beneficial effect of terrace curing agent: (1) component is few, cost of material is low, film forming
Closure is good, high with the adhesion strength of concrete surface, is not easily stripped；(2) curing agent film forming speed is fast, is white after film forming, and
And have the function of heat-insulated and reflection, reduce the evaporation of concrete hydrating, water vapour；(3), organic and inorganic water-retaining agent compound
It uses, so that curing agent can receive enough water replenishment concrete surfaces, improves the water retention of curing agent.
Specific embodiment
Referring to non-limiting specific embodiment the present invention is described in detail.
According to an aspect of the present invention, a kind of concrete road and terrace curing agent be provided, it is specific as shown in table 1.
1 specific embodiment 1~5 of table
According to the adhesion strength of the concrete road of this programme preparation and terrace curing agent and concrete surface, high, curing agent is protected
Water rate is high and film forming closure is good.
According to another aspect of the present invention, a kind of use dress using above-mentioned concrete road and terrace curing agent is provided
It sets comprising: storage department, storage department and control unit.
Wherein, storage department includes cavity, is located at cavity roof for storing concrete road and terrace curing agent, storage department
The feed inlet of side and discharge port positioned at the cavity roof other side.
Ejection section include ejectisome, the feeding inlet set on one end wall of ejectisome, the bottom wall set on ejectisome several be in
Spray head, the force (forcing) pump at the top of ejectisome and set on described ejectisome bottom both ends of plum blossom-shaped equidistant interval arrangement
Shifting roller, wherein feeding inlet is connected by feed-line with the discharge port of storage department, and described feed-line is equipped with conveying
Pump.
Control unit and delivery pump, force (forcing) pump and shifting roller communicate to connect, to control storage department respectively to ejection section
The amount of injection and control shifting roller of the spray head of the conveying capacity of delivering concrete road and terrace curing agent, control ejection section
Movement speed.
According to the third aspect of the present invention, a kind of above-mentioned use device of use is provided using above-mentioned concrete road and ground
The application method of level ground curing agent, comprising:
(1), concrete road and terrace curing agent are poured into storage department.
(2), by control unit, predetermined storage department is to ejection section delivering concrete road and the conveying capacity of terrace curing agent
For the half of the capacity of ejectisome to 2/3rds, the amount of injection of the spray head of predetermined control ejection section is 20~50 milliliters/seconds,
Such as 30 milliliters/second or 45 milliliters/seconds, and the movement speed of shifting roller is set as 0.3~0.5 meter per second, such as 0.4 meter/
Second.
(3), start ejection section, concrete road and terrace curing agent are uniformly sprayed on concrete road or terrace.
Although detailed description of the present invention preferred embodiment herein, it is to be understood that the invention is not limited to this
In the specific structure being described in detail and show, without departing from the spirit and scope of the present invention can be by the technology of this field
Personnel realize other modifications and variant.For example, the parameters such as each component, proportion can be according to concrete application conditions in institute of the present invention
It is suitably chosen in scope of disclosure.
Claims (10)
1. a kind of concrete road and terrace curing agent, it is characterised in that: the component including following parts by weight: film forming agent 40~60
Part, 2~6 parts of coalescing agent, 20~30 parts of fleut, 5~10 parts of inorganic water-retaining agent and 5~10 parts of organic water retainer.
2. concrete road as described in claim 1 and terrace curing agent, which is characterized in that the film forming agent includes elasticity third
Olefin(e) acid copolymer emulsion, one acetate copolymer emulsion of ethylene and paraffin wax emulsions, wherein the elastomeric propylene acid copolymer lotion
The weight percent for accounting for the film forming agent is 30%~60%, and one acetate copolymer emulsion of ethylene accounts for the film forming agent
Weight percent is 20%~40%, and the weight percent that the paraffin wax emulsions account for the film forming agent is 10%~30%.
3. concrete road as claimed in claim 2 and terrace curing agent, which is characterized in that the coalescing agent is second two
One or more of alcohol, propylene glycol, butyl glycol ether, propylene glycol monomethyl ether, propandiol butyl ether, propylene glycol phenylate arbitrarily compare
The mixture of example.
4. concrete road as described in claim 1 and terrace curing agent, which is characterized in that the fleut includes heat-insulated
Powder, reflective powder and stabilizer powder, wherein the heat-insulated powder, the reflective powder and the stabilizer powder
Weight ratio is 4~5:1:1.
5. concrete road as claimed in claim 4 and terrace curing agent, which is characterized in that the heat-insulated powder includes activity
Calcium carbonate, crushed crude pearlite and mica powder, wherein the activated Calcium carbonate account for the heat-insulating powder weight percent be 65~
75%, the weight percent that the crushed crude pearlite accounts for the heat-insulating powder is 10~20%, and the mica powder accounts for the heat-insulating powder
Weight percent is 10~20%.
6. concrete road as claimed in claim 4 and terrace curing agent, which is characterized in that the reflective powder is monocrystalline silicon
Powder；The stabilizer powder is sulfonated graphene, and carbon/element sulphur molar ratio is in the element composition of the sulfonated graphene
6:1~10:1.
7. concrete road as claimed in claim 4 and terrace curing agent, which is characterized in that the particle of the fleut
Diameter is less than or equal to 100 μm.
8. concrete road as claimed in claim 2 and terrace curing agent, which is characterized in that the organic water retainer is sweet
Oil, polyethylene glycol or propylene glycol；The inorganic water-retaining agent is sepiolite, calcium chloride or magnesium chloride.
9. a kind of use device using such as concrete road according to any one of claims 1 to 8 and terrace curing agent,
It is characterized in that, the use device includes:
Storage department, is used to store the concrete road and terrace curing agent, and the storage department includes cavity, is located at the chamber
The feed inlet of body roof side and discharge port positioned at the cavity roof other side；
Ejection section, the ejection section include ejectisome, set on the feeding inlet of one end wall of ejectisome, set on the ejectisome
Several of bottom wall in the spray head of plum blossom-shaped equidistant interval arrangement, the force (forcing) pump at the top of the ejectisome and are set to institute
Say the shifting roller at ejectisome bottom both ends, wherein the feeding inlet passes through the discharge port phase of feed-line and the storage department
Connection, the feed-line are equipped with delivery pump；And
Control unit, the control unit and the delivery pump, the force (forcing) pump and the shifting roller communicate to connect, to control respectively
Make conveying capacity from terrace curing agent to the ejection section, the control ejection section that the storage department conveys the concrete road and
Spray head the amount of injection and the control shifting roller movement speed.
10. a kind of use such as concrete road according to any one of claims 1 to 8 using device as claimed in claim 9
The method on road and terrace curing agent, comprising:
(1), the concrete road and terrace curing agent are poured into the storage department；
(2), by the control unit, make a reservation for the storage department to the ejection section and convey the concrete road and terrace maintenance
The movement speed of the amount of injection of the spray head of the conveying capacity of agent, the ejection section and the shifting roller, wherein the storing
Two points to the capacity that the conveying capacity that the ejection section conveys the concrete road and terrace curing agent is the ejectisome of portion
One of to 2/3rds, the amount of injection of the spray head of the ejection section is set as 20~50 milliliters/seconds, the movement of the shifting roller
Speed is set as 0.3~0.5 meter per second；And
(3), start the ejection section, the concrete road and terrace curing agent are uniformly sprayed in concrete road or terrace
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520261.0A CN109777217A (en) | 2018-12-12 | 2018-12-12 | Concrete road and terrace curing agent and its use device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520261.0A CN109777217A (en) | 2018-12-12 | 2018-12-12 | Concrete road and terrace curing agent and its use device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109777217A true CN109777217A (en) | 2019-05-21 |
Family
ID=66495930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811520261.0A Pending CN109777217A (en) | 2018-12-12 | 2018-12-12 | Concrete road and terrace curing agent and its use device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109777217A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516096A (en) * | 2020-05-08 | 2020-08-11 | 黄炳江 | Precast column concrete pouring method in fabricated building |
| CN116332673A (en) * | 2023-03-30 | 2023-06-27 | 深圳场道工程有限公司 | Concrete curing agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111516096A (en) * | 2020-05-08 | 2020-08-11 | 黄炳江 | Precast column concrete pouring method in fabricated building |
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| CN116332673B (en) * | 2023-03-30 | 2024-03-26 | 深圳场道工程有限公司 | Concrete curing agent and preparation method thereof |
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Application publication date: 20190521 |
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| RJ01 | Rejection of invention patent application after publication |