CN101298373A - Novel modified emulsifying olefin concrete curing agent - Google Patents
Novel modified emulsifying olefin concrete curing agent Download PDFInfo
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- CN101298373A CN101298373A CNA2008100120614A CN200810012061A CN101298373A CN 101298373 A CN101298373 A CN 101298373A CN A2008100120614 A CNA2008100120614 A CN A2008100120614A CN 200810012061 A CN200810012061 A CN 200810012061A CN 101298373 A CN101298373 A CN 101298373A
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Abstract
The invention relates to a novel modified emulsified paraffin concrete curing agent. Aiming at overcoming the defects that the existing concrete curing agent cannot reach the industrial standard on building material in terms of the water retention property and is unfavorable for environmental protection, the price is high and the decoration at later stage is also affected, the following technical proposal is provided: the curing agent is mixed with the following materials and water: 10-20% of vinyl acetate-ethene high molecular polymer emulsion, 0-5% of silicone resin modified acrylic polymer emulsion, 50-75% of paraffin emulsion, 0.1-0.5% of colloidal dispersing agent of the emulsified paraffin for stabilizing the emulsion state and 0.05-0.02% of special defoamer for emulsion. The invention has the beneficial effects that: the chemical curing method which is adopted for retaining water is an innovation for the traditional curing method; compared with the prior art, the method is labor-saving, time-saving and water-saving and is convenient to operate, can improve the film formation ability and the sealing ability of the emulsified paraffin emulsion, and can improve the bonding and absorbing capacity of the emulsified paraffin emulsion on the concrete surface, which leads the effective water retention rate of the coating film to reach more than 90%.
Description
Technical field
The present invention relates to a kind of curing agent, relate in particular to a kind of novel modified emulsifying olefin concrete curing agent young concrete.Be mainly used in building engineering field.
Background technology
For a long time, concrete construction site uses the method for watering and covering that concrete is carried out maintenance always.In modern architecture construction, traditional water, covering curing often can't implement.Because modern urban construction middle-high building, frame-shear structure get more and more, tap water is difficult to draw high-rise, makes concrete maintenance very inconvenient.In addition at the bottom of shear wall, the beam and some privileged sites inconvenience water, can't cover again, young concrete is not carried out maintenance substantially so cause in the site operation.Present on the other hand most of commerical ready-mixed concrete producer is by improving the mineral admixture ratio, the method that reduces cement consumption reduces the concrete cost, this just requires the working-yard more to be necessary to strengthen maintenance to young concrete, avoid concrete that the charing of dark degree just takes place in early days, influence concrete weather resistance and mechanical index.The early stage charing problem of young concrete frequently took place in recent years, and charing just appears in the concrete that has after building tens days, was difficult to by acceptance inspeciton, and this problem has become the big problem that needs to be resolved hurrily of puzzlement commerical ready-mixed concrete company.
Adopting chemical health-preserving method that concrete is carried out water-preserving curing is innovation to traditional methods to keep in good health's method.But China starts late to the research and the application of curing compound, and the dynamics that popularizes is not enough, so be not widely used.Major cause has following several respects: the one, and not enough to concrete health necessity understanding.Just water in the position that can water in construction, the just not health of being inconvenient to water.The 2nd, the technology of curing compound own is immature.The curing agent of water retention property excellence mostly is solvent-borne type, is unfavorable for that environmental protection and price are higher, can not be used by large-scale popularization; The curing agent water retention property that some price is suitable does not reach technical requirement again, and brush is with brushing effects is not obvious.The 3rd, the curing agent that has becomes to film influential to concrete later stage finishing, is unfavorable for applying.
Present most of commerical ready-mixed concrete producer all passes through to improve the mineral admixture ratio, and the method that reduces cement consumption reduces the concrete cost, makes the basicity of concrete own reduce, and is easy to be carbonized; On the other hand because a large amount of uses of industrial expansion and automobile, air-conditioning or the like, cause Carbon Dioxide in Air content day by day to increase, so just require the working-yard more to be necessary to strengthen maintenance to young concrete, avoid concrete that carbonization just takes place in early days, influence concrete weather resistance and mechanical index.
The curing agent of using mainly contains following a few class at present: solvent type resin solution; The emulsified olefin emulsion; Polymer-modified emulsion etc.The principle of work of these curing agents all is to form film in the concrete surface drying, forms water-resisting layer, stops to mix and stir moisture and evaporate from concrete surface, makes cement composition in the concrete obtain the condition of abundant aquation, realizes concrete from maintenance.And based on the silicate solutions class curing agent of water glass, then be perviousness and the chemically reactive of utilizing low molecule inorganics, after it is sprayed at concrete surface, the energy rapid permeability is to the hole of concrete surface, generate material as a form of gel with aluminium, magnesium plasma reaction in the dissolved hydrated cementitious product, make concrete surface layer densification within a short period of time,, realize concrete from maintenance to improve the intensity and the water retention capacity of concrete surface.Learn (according to effective water retention measurement of test method in " building material industry standard JC901_2002 cement concrete curing agent " standard) through above-mentioned several curing compound samples of collecting are detected, its effective water retention all can not satisfy this standard-required.The effective water retention of this standard-required salable product is more than or equal to 75%, and the effective water retention of first grade is more than or equal to 90%.And the effective water retention of institute's testing product is all between 20% to 70%.
Summary of the invention
The present invention does not reach the building material industry standard technical requirement in order to overcome the existing concrete curing agent existing water retention property in varying degrees, be unfavorable for environmental protection, price is higher, influence later stage finishing and cause being unfavorable for promoting the use of and wait deficiency, novel modified emulsifying olefin concrete curing agent is provided, each component of this curing agent is to form by following per-cent proportioning: vinyl acetate-ethylene family macromolecule polymer emulsion is 1 0～20%, silicone resin modified acrylic acid polymer emulsion is 0～5%, the emulsified olefin colloid dispersion agent that paraffin wax emulsions 50～75% reaches in order to the stable emulsion state is 0.1～0.5%, emulsion dedicated defoamer 0.05～0.02%, surplus are water;
Make according to said ratio and by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows:
58# paraffin 6.0～2.25%
Oleum lini 7.4～2.40%
Stearic acid 2.0～0.75%
Trolamine 1.6～0.6%
The tap water surplus
At first 58# paraffin, oleum lini, stearic acid and the water that measures is dropped in the reactor, heat while stirring according to proportioning; When treating that water temperature reaches more than 75 ℃ in the still, paraffin and stearic acid off-bottom finish and stop heating immediately in the still, begin to drip trolamine; Treat trolamine dropwise in the still paraffin solution all emulsification be that white emulsion gets final product;
2), earlier dispersion agent is dissolved in the suitable quantity of water in advance standbyly, with adding after the emulsified olefin emulsion metering for preparing at a slow speed in the dispersion machine, starts the dispersion machine back and stir cooling, the surplus water that the limit adds defoamer, colloid dispersion agent and measures again;
3), when treating that paraffin wax emulsions cools to room temperature, slowly add the vinyl acetate-ethylene family macromolecule polymer emulsion and the silicone resin modified acrylic acid polymer emulsion of metering, but the just discharging of back that stirs, loading barrel packaging.
Beneficial effect of the present invention: adopting chemical health-preserving method that concrete is carried out water-preserving curing is innovation to traditional methods to keep in good health's method, compares with traditional regimen, has the saving of work and time water saving, the superiority that convenient construction uses.Mainly show:
1, adopts vinyl acetate-ethylene family macromolecule polymer emulsion and the polymer emulsion modified paraffin wax emulsions of silicone resin modified acrylic acid, can improve the film forming ability of emulsified olefin emulsion; Improve the sealing ability of emulsified olefin emulsion; Improve the bonding and adsorptive power of emulsified olefin emulsion to concrete surface, effective water retention that makes it to film reaches more than 90%.The curing agent of developing has good film forming ability and higher waterproof, impermeable ability; spray or brushing are behind concrete surface; can form the airtight film of successive; protect the moisture content of inside concrete not scatter and disappear effectively, and the carbonic acid gas that can resist in the Nature corrode to inside concrete to the outside.Require to test according to building material industry standard JC901_2002, effectively water retention reaches more than 95%.Curing compound also has the another one critical function except the function with water conservation health, be exactly can the shielding concrete surface, stops Carbon Dioxide in Air to the carbonization of concrete effect.
2, adopt special emulsion dispersion agent, can improve homogeneity, the stability of emulsified olefin emulsion, make it to reach and layering, caking and flocculation phenomenon in storage period, must not occur.The curing compound uniformity of developing, in stable condition, and moderate, easy construction.
3, guarantee the energy powder of detached after finishing care action of filming of curing agent, eliminate influence concrete later stage finishing.Brush this curing agent after 30 days its basic efflorescence of filming finish, do not influence later stage finishing.
Embodiment:
Novel modified emulsifying olefin concrete curing agent, each component of this curing agent is to form by following per-cent proportioning: vinyl acetate-ethylene family macromolecule polymer emulsion is 10～20%, silicone resin modified acrylic acid polymer emulsion is 0～5%, the emulsified olefin colloid dispersion agent that paraffin wax emulsions 50～75% reaches in order to the stable emulsion state is 0.1～0.5%, emulsion dedicated defoamer 0.05～0.02%, surplus are water; Make according to said ratio and by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows:
58# paraffin 6.0～2.25%
Oleum lini 7.4～2.40%
Stearic acid 2.0～0.75%
Trolamine 1.6～0.6%
The tap water surplus
At first 58# paraffin, oleum lini, stearic acid and the water that measures is dropped in the reactor, heat while stirring according to proportioning; When treating that water temperature reaches more than 75 ℃ in the still, paraffin and stearic acid off-bottom finish and stop heating immediately in the still, begin to drip trolamine; Treat trolamine dropwise in the still paraffin solution all emulsification be that white emulsion gets final product;
2), earlier dispersion agent is dissolved in the suitable quantity of water in advance standbyly, with adding after the emulsified olefin emulsion metering for preparing at a slow speed in the dispersion machine, starts the dispersion machine back and stir cooling, the surplus water that the limit adds defoamer, colloid dispersion agent and measures again;
3), when treating that paraffin wax emulsions cools to room temperature, slowly add the vinyl acetate-ethylene family macromolecule polymer emulsion and the silicone resin modified acrylic acid polymer emulsion of metering, but the just discharging of back that stirs, loading barrel packaging.
In concrete construction, it is to guarantee that it reaches the key operation link of ideal mechanical property and reliable endurance quality that the concrete of newly building is implemented effective maintenance.Concrete intensity stems from the aquation of cement, and the aquation of cement can only be carried out in the kapillary of being filled by water, so the purpose of maintenance just is to create the good curing condition of concrete, prevent that the moisture evaporation in the kapillary is lost, guarantee the abundant aquation of cement, make concrete strength constantly increase.
Curing agent provided by the present invention is a kind of liquid substance, can be sprayed at the concrete surface after the form removal, also can be sprayed at the concrete surface (comprising vertical and horizontal surface) of newly building.Adopting conventional sprinkling method to carry out using curing compound on the young concretes such as the Highrise buildings, highway bridge of maintenance, special-shaped structure, more demonstrate its superiority.
Embodiment 1
Novel modified emulsifying olefin concrete curing agent makes by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows,
58# paraffin 6.0%
Oleum lini 6.4%
Stearic acid 2.0%
Trolamine 1.6%
The tap water surplus
At first 58# paraffin, oleum lini, stearic acid and the water that measures is dropped in the reactor, heat while stirring according to proportioning; When treating that water temperature reaches more than 75 ℃ in the still, paraffin and stearic acid off-bottom finish and stop heating immediately in the still, begin to drip trolamine; Treat trolamine dropwise in the still paraffin solution all emulsification be that white emulsion gets final product;
2), preparing the modified emulsifying olefin curing agent in the dispersion machine at a slow speed.Proportioning is as follows:
Get paraffin wax emulsions 75%, Beijing Organic Chemical Plant produce vinyl acetate-ethylene family macromolecule polymer emulsion 17%, waterproof type silicone resin modified acrylic acid polymer emulsion 3% reaches the emulsified olefin micelle colloid dispersion agent (being made up of 30% sodium alkyl benzene sulfonate, 50% sodium-metaphosphate and the mixing of 20% sodium sulfate) 0.5% in order to the stable emulsion state, the emulsion dedicated defoamer is 0.05% (the SA-III type emulsion dedicated defoamer that adopts Shenzhen Haichuan Chemical Technology Co., Ltd to produce), and surplus is a water.
Earlier be dissolved in the suitable quantity of water dispersion agent standby in advance, again with the above-mentioned emulsified olefin emulsion metering for preparing, add at a slow speed in the dispersion machine, (rotating speed is preferably in per minute tens commentaries on classics to start dispersion machine, can disperse slow again best of rotating speed) back stirs cooling, the surplus water that the limit adds defoamer, dispersion agent and measures.
3), when treating that paraffin wax emulsions cools to below 50 ℃, add the vinyl acetate-ethylene family macromolecule polymer emulsion and the silicone resin modified acrylic acid polymer emulsion of metering, but the just discharging of back that stirs, loading barrel packaging.
Embodiment 2
Novel modified emulsifying olefin concrete curing agent makes by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows,
58# paraffin 5.5%
Oleum lini 6.0%
Stearic acid 1.8%
Trolamine 1.3%
The tap water surplus;
Processing step according to embodiment 1 makes paraffin wax emulsions;
2), preparing the modified emulsifying olefin curing agent in the dispersion machine at a slow speed.Proportioning is as follows:
Get paraffin wax emulsions 73%, commercially available vinyl acetate-ethylene family macromolecule polymer emulsion 10%, the emulsified olefin micelle colloid dispersion agent 0.4% that silicone resin modified acrylic acid polymer emulsion 5% reaches in order to the stable emulsion state, the emulsion dedicated defoamer is 0.04%, surplus is a water.All the other steps are identical with embodiment 1.
Embodiment 3
Novel modified emulsifying olefin concrete curing agent makes by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows,
58# paraffin 2.25%
Oleum lini 7.4%
Stearic acid 0.75%
Trolamine 0.6%
The tap water surplus;
Processing step according to embodiment 1 makes paraffin wax emulsions;
2), preparing the modified emulsifying olefin curing agent in the dispersion machine at a slow speed.Proportioning is as follows:
Get paraffin wax emulsions 50%, commercially available vinyl acetate-ethylene family macromolecule polymer emulsion 20%, the emulsified olefin micelle colloid dispersion agent 0.1% that silicone resin modified acrylic acid polymer emulsion 4% reaches in order to the stable emulsion state, the emulsion dedicated defoamer is 0.02%, surplus is a water.All the other steps are identical with embodiment 1.
Embodiment 4
Novel modified emulsifying olefin concrete curing agent makes by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows,
58# paraffin 2.25%
Oleum lini 3.4%
Stearic acid 0.75%
Trolamine 0.65%
The tap water surplus;
Processing step according to embodiment 1 makes paraffin wax emulsions;
2), preparing the modified emulsifying olefin curing agent in the dispersion machine at a slow speed.Proportioning is as follows:
Get paraffin wax emulsions 62.5%, commercially available vinyl acetate-ethylene family macromolecule polymer emulsion 15%, the emulsified olefin micelle colloid dispersion agent 0.3% that silicone resin modified acrylic acid polymer emulsion 2.5% reaches in order to the stable emulsion state, the emulsion dedicated defoamer is 0.03%, surplus is a water.All the other steps are identical with embodiment 1.
Embodiment 5
Novel modified emulsifying olefin concrete curing agent makes by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows,
58# paraffin 3.5%
Oleum lini 2.4%
Stearic acid 1%
Trolamine 1%
The tap water surplus;
Processing step according to embodiment 1 makes paraffin wax emulsions;
2), preparing the modified emulsifying olefin curing agent in the dispersion machine at a slow speed.Proportioning is as follows:
Get paraffin wax emulsions 60%, commercially available vinyl acetate-ethylene family macromolecule polymer emulsion 12.5%, the emulsified olefin micelle colloid dispersion agent 0.2% that silicone resin modified acrylic acid polymer emulsion 0% reaches in order to the stable emulsion state, the emulsion dedicated defoamer is 0.035%, surplus is a water.All the other steps are identical with embodiment 1.
Embodiment 6
Novel modified emulsifying olefin concrete curing agent makes by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows,
58# paraffin 2.5%
Oleum lini 5.4%
Stearic acid 1.3%
Trolamine 0.8%
The tap water surplus;
Processing step according to embodiment 1 makes paraffin wax emulsions;
2), preparing the modified emulsifying olefin curing agent in the dispersion machine at a slow speed.Proportioning is as follows:
Get paraffin wax emulsions 70%, commercially available vinyl acetate-ethylene family macromolecule polymer emulsion 18.5%, the emulsified olefin micelle colloid dispersion agent 4.5% that silicone resin modified acrylic acid polymer emulsion 3.5% reaches in order to the stable emulsion state, the emulsion dedicated defoamer is 0.045%, surplus is a water.All the other steps are identical with embodiment 1.
Claims (8)
1, novel modified emulsifying olefin concrete curing agent, it is characterized in that: each component of this curing agent is to form by following per-cent proportioning: vinyl acetate-ethylene family macromolecule polymer emulsion is 10～20%, silicone resin modified acrylic acid polymer emulsion is 0～5%, the emulsified olefin colloid dispersion agent that paraffin wax emulsions 50～75% reaches in order to the stable emulsion state is 0.1～0.5%, emulsion dedicated defoamer 0.05～0.02%, surplus are water;
Make according to said ratio and by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows:
58# paraffin 6.0～2.25%
Oleum lini 7.4～2.40%
Stearic acid 2.0～0.75%
Trolamine 1.6～0.6%
The tap water surplus
At first 58# paraffin, oleum lini, stearic acid and the water that measures is dropped in the reactor, heat while stirring according to proportioning; When treating that water temperature reaches more than 75 ℃ in the still, paraffin and stearic acid off-bottom finish and stop heating immediately in the still, begin to drip trolamine; Treat trolamine dropwise in the still paraffin solution all emulsification be that white emulsion gets final product;
2), earlier dispersion agent is dissolved in the suitable quantity of water in advance standbyly, with adding after the emulsified olefin emulsion metering for preparing at a slow speed in the dispersion machine, starts the dispersion machine back and stir cooling, the surplus water that the limit adds defoamer, colloid dispersion agent and measures again;
3), when treating that paraffin wax emulsions cools to room temperature, slowly add the vinyl acetate-ethylene family macromolecule polymer emulsion and the silicone resin modified acrylic acid polymer emulsion of metering, but the just discharging of back that stirs, loading barrel packaging.
2, novel modified emulsifying olefin concrete curing agent according to claim 1, it is characterized in that: each component of this curing agent is to form by following per-cent proportioning: vinyl acetate-ethylene family macromolecule polymer emulsion is 17%, silicone resin modified acrylic acid polymer emulsion is 3%, the emulsified olefin micelle colloid dispersion agent that paraffin wax emulsions 75% reaches in order to the stable emulsion state is 0.5%, emulsion dedicated defoamer 0.05%, surplus are water.
3, novel modified emulsifying olefin concrete curing agent according to claim 1, it is characterized in that: each component of this curing agent is to form by following per-cent proportioning: vinyl acetate-ethylene family macromolecule polymer emulsion is 10%, silicone resin modified acrylic acid polymer emulsion is 5%, the emulsified olefin micelle colloid dispersion agent that paraffin wax emulsions 73% reaches in order to the stable emulsion state is 0.4%, emulsion dedicated defoamer 0.04%, surplus are water.
4, novel modified emulsifying olefin concrete curing agent according to claim 1, it is characterized in that: each component of this curing agent is to form by following per-cent proportioning: vinyl acetate-ethylene family macromolecule polymer emulsion is 20%, silicone resin modified acrylic acid polymer emulsion is 4%, the emulsified olefin micelle colloid dispersion agent that paraffin wax emulsions 50% reaches in order to the stable emulsion state is 0.1%, emulsion dedicated defoamer 0.02%, surplus are water.
5, novel modified emulsifying olefin concrete curing agent according to claim 1, it is characterized in that: each component of this curing agent is to form by following per-cent proportioning: vinyl acetate-ethylene family macromolecule polymer emulsion is 15%, silicone resin modified acrylic acid polymer emulsion is 2.5%, paraffin wax emulsions 62.5% and in order to the emulsified olefin micelle colloid dispersion agent of stable emulsion state for being 0.3%, emulsion dedicated defoamer 0.03%, surplus are water.
6, novel modified emulsifying olefin concrete curing agent according to claim 1, it is characterized in that: each component of this curing agent is to form by following per-cent proportioning: vinyl acetate-ethylene family macromolecule polymer emulsion is 12.5%, silicone resin modified acrylic acid polymer emulsion is 0%, the emulsified olefin micelle colloid dispersion agent that paraffin wax emulsions 60% reaches in order to the stable emulsion state is 0.2%, emulsion dedicated defoamer 0.035%, surplus are water.
7, according to the novel modified emulsifying olefin concrete curing agent described in any one of the claim 2～6, it is characterized in that: make according to its proportioning that provides and by following processing step:
1), prepare paraffin wax emulsions in resistant to elevated temperatures jacket reactor, its proportioning is as follows:
58# paraffin 6.0～2.25%
Oleum lini 7.4～2.40%
Stearic acid 2.0～0.75%
Trolamine 1.6～0.6%
The tap water surplus
At first 58# paraffin, oleum lini, stearic acid and the water that measures is dropped in the reactor, heat while stirring according to proportioning; When treating that water temperature reaches more than 75 ℃ in the still, paraffin and stearic acid off-bottom finish and stop heating immediately in the still, begin to drip trolamine; Treat trolamine dropwise in the still paraffin solution all emulsification be that white emulsion gets final product;
2), earlier dispersion agent is dissolved in the suitable quantity of water in advance standbyly, with adding after the emulsified olefin emulsion metering for preparing at a slow speed in the dispersion machine, starts the dispersion machine back and stir cooling, the surplus water that the limit adds defoamer, colloid dispersion agent and measures again;
3), when treating that paraffin wax emulsions cools to room temperature, slowly add the vinyl acetate-ethylene family macromolecule polymer emulsion and the silicone resin modified acrylic acid polymer emulsion of metering, but the just discharging of back that stirs, loading barrel packaging.
8, according to the novel modified emulsifying olefin concrete curing agent described in any one of the claim 1～6, it is characterized in that: the emulsified olefin colloid dispersion agent of described stable emulsion state is mixed by 30% sodium alkyl benzene sulfonate, 50% sodium-metaphosphate and 20% sodium sulfate and forms.
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| WO2011088980A1 (en) * | 2010-01-20 | 2011-07-28 | W R Grace & Co.- Conn. | High curing inducing surface applied setting retarder |
| CN102503246A (en) * | 2011-10-31 | 2012-06-20 | 重庆中交科技股份有限公司 | Bituminous pavement preventive maintenance material and preparation method thereof |
| CN102503542A (en) * | 2011-09-29 | 2012-06-20 | 成都嘉新科技集团有限公司 | Concrete water-retention curing agent and preparation method thereof |
| WO2013001473A1 (en) * | 2011-06-30 | 2013-01-03 | Jaime Grau Genesias | Additive for producing permeable concrete |
| CN103964893A (en) * | 2014-04-25 | 2014-08-06 | 交通运输部公路科学研究所 | Early-strength wear-resistant concrete curing agent, as well as preparation method and application thereof |
| CN104926178A (en) * | 2015-05-29 | 2015-09-23 | 江苏龙冠新型材料科技有限公司 | Preparation method of paraffin-protected precast concrete component |
| CN105272355A (en) * | 2015-10-09 | 2016-01-27 | 中南林业科技大学 | Tung oil modified paraffin emulsion and preparation and application methods thereof |
| CN106747645A (en) * | 2016-11-29 | 2017-05-31 | 广西大学 | A kind of enhanced sealing compound of concrete |
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| CN109824914A (en) * | 2019-01-24 | 2019-05-31 | 中南大学 | A kind of emulsified wax and its preparation method and application |
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| WO2011088980A1 (en) * | 2010-01-20 | 2011-07-28 | W R Grace & Co.- Conn. | High curing inducing surface applied setting retarder |
| EP2360132A1 (en) * | 2010-01-20 | 2011-08-24 | W.R. Grace & Co.-Conn. | High curing inducing surface applied setting retarder |
| US8846787B2 (en) | 2010-01-20 | 2014-09-30 | W. R. Grace & Co.-Conn. | High curing inducing surface applied setting retarder |
| WO2013001473A1 (en) * | 2011-06-30 | 2013-01-03 | Jaime Grau Genesias | Additive for producing permeable concrete |
| CN102503542A (en) * | 2011-09-29 | 2012-06-20 | 成都嘉新科技集团有限公司 | Concrete water-retention curing agent and preparation method thereof |
| CN102503542B (en) * | 2011-09-29 | 2013-09-04 | 成都嘉新科技集团有限公司 | Concrete water-retention curing agent and preparation method thereof |
| CN102503246A (en) * | 2011-10-31 | 2012-06-20 | 重庆中交科技股份有限公司 | Bituminous pavement preventive maintenance material and preparation method thereof |
| CN103964893A (en) * | 2014-04-25 | 2014-08-06 | 交通运输部公路科学研究所 | Early-strength wear-resistant concrete curing agent, as well as preparation method and application thereof |
| CN104926178A (en) * | 2015-05-29 | 2015-09-23 | 江苏龙冠新型材料科技有限公司 | Preparation method of paraffin-protected precast concrete component |
| CN104926178B (en) * | 2015-05-29 | 2017-06-30 | 江苏龙冠新型材料科技有限公司 | A kind of preparation method of paraffin concrete protection prefabricated components |
| CN105272355B (en) * | 2015-10-09 | 2017-05-31 | 中南林业科技大学 | A kind of tung oil-modified paraffin wax emulsions and its preparation and application |
| CN105272355A (en) * | 2015-10-09 | 2016-01-27 | 中南林业科技大学 | Tung oil modified paraffin emulsion and preparation and application methods thereof |
| CN106747645A (en) * | 2016-11-29 | 2017-05-31 | 广西大学 | A kind of enhanced sealing compound of concrete |
| CN107986818A (en) * | 2018-01-08 | 2018-05-04 | 中交三公局第工程有限公司 | Compound concrete curing fluid and preparation method thereof |
| CN109824914A (en) * | 2019-01-24 | 2019-05-31 | 中南大学 | A kind of emulsified wax and its preparation method and application |
| CN109880120A (en) * | 2019-01-24 | 2019-06-14 | 中南大学 | A kind of compound emulsifying agent and its preparation method and application for preparing emulsified wax |
| CN109880120B (en) * | 2019-01-24 | 2021-12-24 | 中南大学 | Composite emulsifier for preparing emulsified paraffin and preparation method and application thereof |
| CN109824914B (en) * | 2019-01-24 | 2021-12-24 | 中南大学 | Emulsified paraffin and preparation method and application thereof |
| CN109987966A (en) * | 2019-04-24 | 2019-07-09 | 中国路桥工程有限责任公司 | Curing compound |
| CN109987966B (en) * | 2019-04-24 | 2021-11-09 | 中国路桥工程有限责任公司 | Concrete curing agent |
| CN112778022A (en) * | 2020-12-16 | 2021-05-11 | 武汉度美迪新能源科技有限公司 | Concrete curing agent and preparation method thereof |
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