CN1171831C - Water-base liquid film-type concrete curing agent - Google Patents
Water-base liquid film-type concrete curing agent Download PDFInfo
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- CN1171831C CN1171831C CNB021114978A CN02111497A CN1171831C CN 1171831 C CN1171831 C CN 1171831C CN B021114978 A CNB021114978 A CN B021114978A CN 02111497 A CN02111497 A CN 02111497A CN 1171831 C CN1171831 C CN 1171831C
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Abstract
The present invention relates to an aquosity liquid film type concrete curing agent which is the high-efficiency concrete curing agent composed of acrylic polymer emulsion, wax emulsion, a film-forming additive, a wetting agent, a plasticizing agent, a levelling agent, etc. The curing agent of the present invention has good film forming property and certain permeation. When the curing agent is coated on the initial set concrete and the surface of cement mortar, continuous, colorless, waterproof and high-efficiency curing membranes are formed. The curing agent can be permeated into the concrete capillary bores, can seal the capillary bores, and can prevent the phenomena of water evaporation and cement concrete surface bleeding so as to have the effects of water retention and heat preservation, to prompt the thorough hydration of the cement, and to increase the structural strength of the concrete.
Description
Technical field
The present invention relates to a kind of liquid film type curing agent that is suitable for concrete curing agent new cast or the demoulding just of water-based, relating in particular to a kind of is main film forming substance with acrylate copolymer and synthetic wax, the curing agent that composite other auxiliary agent is prepared from.When concrete that is coated on initial set and cement mortar surface, form the colourless fluid-tight efficient curing membrane of successive.
Background technology
After the concrete depositing, in the process of initial set, must carry out maintenance and promptly keep necessary humidity and temperature, make it have suff water to guarantee that hydration reaction is complete.China's " reinforced concrete structural design specification " specified standards maintenance process is: 20 ± 3 ℃ of temperature, relative humidity 〉=90%, maintenance 28 days.Traditional maintenance process litters a bag maintenance, plastics film maintenance and watering maintenance, and these methods are time-consuming, take a lot of work, and maintenance effect is not good, and water resource waste is serious, and some cost is higher.
Used curing compound divides inorganic, organic two kinds by the filmogen type at present.The mineral-type curing compound is mainly the water glass silicates, and this curing agent or chloride ion-containing can produce corrosion to steel, or film forming properties is not good, can't effectively seal the concrete pore prevents " bleeding, the accumulation of salt in the surface soil "; Mainly contain emulsified olefin type, solvent type resin class and polymer emulsion type in organic membrane-forming agent.The paraffin wax type cost is low, but the hardness of film is relatively poor.The solvent type resin class is because operation is dangerous, problem such as environmental protection and being eliminated gradually; The one-tenth film toughness of polymer emulsion type curing compound improves a lot than Emulsion Wax, but mainly is made up of vinylchlorid, vinylidene chloride emulsion, and cost is higher.
Summary of the invention
Purpose of the present invention be exactly provide a kind of saving of labor in order to overcome the defective that above-mentioned prior art exists, save time, water saving, lower-cost water-base liquid film-type concrete curing agent.
Purpose of the present invention can be achieved through the following technical solutions: a kind of water-base liquid film-type concrete curing agent, it is characterized in that, and comprise:
The acrylate polymer emulsion of 30～45% (weight),
The wax emulsion of 1.5%～10% (weight),
The film coalescence aid of 3%～8% (weight),
The flow agent of 1%～2.5% (weight),
The softening agent of～3.5% 1.5 (weight),
The wetting agent of～1.2% 0.6 (weight), and
The water of surplus (weight 100%).
The preferred content of described water-base liquid film-type concrete curing agent is acrylate polymer emulsion 35%～40% (weight), wax emulsion 2.5%～7.5% (weight), film coalescence aid 4.0～7.5% (weight), flow agent 1.3%～2.2% (weight), softening agent 1.8～3.5% (weight), (weight) of wetting agent 0.8～1.0%, surplus are water (weight 100%).
Described acrylate polymer emulsion is benzene emulsion, pure-acrylic emulsion or their mixture, and this acrylate polymer emulsion is a main film forming substance.
The set of monomers of described benzene emulsion becomes: styrene/methacrylic acid/butyl acrylate/methyl methacrylate=20/15/30/15; The set of monomers of pure-acrylic emulsion becomes: methacrylic acid/butyl acrylate/methyl methacrylate=10/45/45.
Described wax emulsion is oxidized polyethlene wax emulsion, its chlorinated polypropylene wax emulsion or their mixture, and this wax emulsion also is a filmogen, and it can improve the curing agent film to the sealing property of concrete surface and the wear resisting property of film.
Described wax emulsion is the best with the oxidized polyethlene wax emulsion.
Described film coalescence aid is diethylene glycol monoethyl ether, dipropylene glycol methyl ether or their mixture, adds this film coalescence aid to reduce minimum film-forming temperature, improves film forming properties.
Described flow agent is a tributoxyethyl phosphate, adds this flow agent to improve the self-leveling energy of liquid film, makes uniform film thickness.
Described softening agent is tributoxyethyl phosphate, dibutyl phthalate or their mixture.
Described wetting agent is a fluorocarbon surfactant, and this fluorine surfactant has excellent wettability, can improve wettability and the sticking power of curing agent to base material.
The present invention is a kind of curing compound of polymer-type of water-based, a kind of wieldy transparence curing agent, coat and newly water cement concrete and cement mortar surface health, can keep concrete primary colors, life-time service can not turn to be yellow, have good film forming properties and sealing property and good water conservation effect, can obviously improve concrete anti-folding, ultimate compression strength; Compare with traditional maintenance process, advantages such as having the saving of labor, save time, water saving, cost are low is specially adapted to lack the engineering that water source and needs shorten the maintenance duration.
Curing compound of the present invention is to use when (about 4 hours) or the firm demoulding of concrete after the concrete of new cast or cement mortar initial set.The method of coating can be roller coating, spraying or brushing.The surface covered of curing compound of the present invention is 20～40 square metres (particular case of apparent surface is decided) of per kilogram coating.
Using curing compound of the present invention, is the test specimen of maintenance under the natural condition in temperature, and 7 days percentage of water loss is that 1%, 28 day percentage of water loss is 1.8%.In the common engineering design be about 0.5 concrete to water cement ratio, the permissible value of the percentage of water loss in 28 day preserving period is 3%.28 days percentages of water loss of traditional covering water-wet straw bag are 2.5%.As seen curing compound of the present invention has good water retention property, the moisture loss in the time of can effectively preventing the concrete early hydration.
Embodiment
Embodiment 1
A kind of water-base liquid film-type concrete curing agent, the prescription of this curing agent are (weight percent):
Water 49.1
Fluorine surfactant (1% weight) 0.8
Diethylene glycol monoethyl ether 2.6
Dipropylene glycol methyl ether 3.7
Tributoxyethyl phosphate 1.5
Dibutyl phthalate 0.8
Benzene emulsion (38% weight) 38.0
Oxidized polyethlene wax emulsion (35% weight) 3.5
Wherein fluorine surfactant is selected from the product that the trade mark is FC-120, and 3M company makes.
Embodiment 2
A kind of water-base liquid film-type concrete curing agent, the prescription of this curing agent are (weight percent):
Deionized water 46.0
Fluorine surfactant (1% weight) 1.0
Diethylene glycol monoethyl ether 5.2
Tributoxyethyl phosphate 1.8
Benzene emulsion (38% weight) 40.0
Pure-acrylic emulsion (38% weight) 3.5
Oxidized polyethlene wax emulsion (35% weight) 2.5
Wherein fluorine surfactant is selected from the product that the trade mark is FC-120, and 3M company makes.
Embodiment 3
A kind of water-base liquid film-type concrete curing agent, the prescription of this curing agent are (weight percent):
Deionized water 49.0
Fluorine surfactant (1% weight) 1.2
Diethylene glycol monoethyl ether 3.8
Tributoxyethyl phosphate 1.8
Dibutyl phthalate 1.7
Benzene emulsion (38% weight) 31.5
Oxidized polyethlene wax emulsion (35% weight) 6.5
Its chlorinated polypropylene wax emulsion (35% weight) 2.5
Wherein fluorine surfactant is selected from the product that the trade mark is Zonyl Fsp, and E.I.Du Pont Company makes.
With the curing agent of above-mentioned prescription, after concrete sample is made initial set 4 hours, be coated on the test specimen surface by the amount of 40 square metres of per kilograms.Compare with the normal curing method, its resistance to compression, folding strength see the following form:
| Folding strength (MPa) | Ultimate compression strength (MPa) | |||
| 7 days | 28 days | 7 days | 28 days | |
| The normal curing method | 2.76 | 4.30 | 16.7 | 28.6 |
| Embodiment 1 curing agent | 2.83 | 4.35 | 16.9 | 28.9 |
| Embodiment 2 curing agents | 3.17 | 4.43 | 19.9 | 29.6 |
| Embodiment 3 curing agents | 2.95 | 4.36 | 17.5 | 29.1 |
The result shows that the concrete that adopts curing compound maintenance of the present invention has all surpassed concrete strength under the indoor curing condition of normal curing at the resistance to compression under the natural curing condition and folding strength.Adopt curing compound of the present invention simultaneously, improved concrete anti-permeability performance, wear resisting property, effectively prevented concrete " bleeding " " accumulation of salt in the surface soil " and " playing ash ".
Claims (10)
1, a kind of water-base liquid film-type concrete curing agent is characterized in that, comprises:
The acrylate polymer emulsion of 30～45% weight,
The wax emulsion of 1.5%～10% weight,
The film coalescence aid of 3%～8% weight,
The flow agent of 1%～2.5% weight,
1.5 the softening agent of～3.5% weight,
0.6 the wetting agent of～1.2% weight, and
The water of surplus, weight 100%.
2, water-base liquid film-type concrete curing agent according to claim 1, it is characterized in that, the content of described water-base liquid film-type concrete curing agent is acrylate polymer emulsion 35%～40% weight, wax emulsion 2.5%～7.5% weight, film coalescence aid 4.0～7.5% weight, flow agent 1.3%～2.2% weight, softening agent 1.8～3.5% weight, the weight of wetting agent 0.8～1.0%, surplus are water, weight 100%.
3, water-base liquid film-type concrete curing agent according to claim 1 and 2 is characterized in that, described acrylate polymer emulsion is benzene emulsion, pure-acrylic emulsion or their mixture.
4, water-base liquid film-type concrete curing agent according to claim 3 is characterized in that, the set of monomers of described benzene emulsion becomes: styrene/methacrylic acid/butyl acrylate/methyl methacrylate=20/15/30/15; The set of monomers of pure-acrylic emulsion becomes: methacrylic acid/butyl acrylate/methyl methacrylate=10/45/45.
5, water-base liquid film-type concrete curing agent according to claim 1 and 2 is characterized in that, described wax emulsion is oxidized polyethlene wax emulsion, its chlorinated polypropylene wax emulsion or their mixture.
6, water-base liquid film-type concrete curing agent according to claim 5 is characterized in that, described wax emulsion is the oxidized polyethlene wax emulsion.
7, water-base liquid film-type concrete curing agent according to claim 1 and 2 is characterized in that, described film coalescence aid is diethylene glycol monoethyl ether, dipropylene glycol methyl ether or their mixture.
8, water-base liquid film-type concrete curing agent according to claim 1 and 2 is characterized in that, described flow agent is a tributoxyethyl phosphate.
9, water-base liquid film-type concrete curing agent according to claim 1 and 2 is characterized in that, described softening agent is tributoxyethyl phosphate, dibutyl phthalate or their mixture.
10, water-base liquid film-type concrete curing agent according to claim 1 and 2 is characterized in that, described wetting agent is a fluorocarbon surfactant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021114978A CN1171831C (en) | 2002-04-26 | 2002-04-26 | Water-base liquid film-type concrete curing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021114978A CN1171831C (en) | 2002-04-26 | 2002-04-26 | Water-base liquid film-type concrete curing agent |
Publications (2)
| Publication Number | Publication Date |
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| CN1453244A CN1453244A (en) | 2003-11-05 |
| CN1171831C true CN1171831C (en) | 2004-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021114978A Expired - Lifetime CN1171831C (en) | 2002-04-26 | 2002-04-26 | Water-base liquid film-type concrete curing agent |
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Families Citing this family (27)
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| CN1317217C (en) * | 2005-04-05 | 2007-05-23 | 蒋发学 | Multifunctional assistant for cement concrete |
| CN1328200C (en) * | 2005-07-26 | 2007-07-25 | 李全堂 | Concrete curing agent |
| EP1935862A1 (en) * | 2006-12-22 | 2008-06-25 | Rohm and Haas France SAS | Method for treating concrete |
| US8106120B2 (en) * | 2007-12-21 | 2012-01-31 | The Euclid Chemical Company | Easily removable concrete curing compound |
| CN101348348B (en) * | 2008-09-01 | 2011-04-20 | 南京派尼尔科技实业有限公司 | High moisture retention concrete curing agent |
| CN101792329B (en) * | 2010-01-26 | 2012-05-09 | 江苏博特新材料有限公司 | Multifunctional anti-leakage shrinkage type concrete surface layer reinforcer |
| CN102211947B (en) * | 2010-04-08 | 2013-05-22 | 泉州昌德化工有限公司 | Building stone surface curing agent and preparation method thereof |
| CN103045041B (en) * | 2013-01-22 | 2016-04-20 | 西安中交土木科技有限公司 | Based on the concrete bridge structure surface protection coating material and preparation method thereof of pure-acrylic emulsion |
| CN103408324B (en) * | 2013-08-22 | 2015-09-09 | 江苏苏博特新材料股份有限公司 | A kind of preparation method of curing compound |
| CN104774035B (en) * | 2014-01-13 | 2017-06-20 | 奥泰利新技术集团有限公司 | Concrete or building mortar surface reinforcing agent and Enhancement Method |
| CN104108950B (en) * | 2014-07-02 | 2015-10-28 | 长安大学 | A kind of concrete abrasion-resistant enhancement type curing agent |
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| CN104973885B (en) * | 2015-07-07 | 2017-05-31 | 广州市克来斯特建材科技有限公司 | A kind of Concrete Protective Agent and preparation method thereof |
| CN105152681A (en) * | 2015-07-17 | 2015-12-16 | 济南大学 | Surface-film-forming coating for concrete |
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| 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 |
| CN108892536A (en) * | 2018-06-20 | 2018-11-27 | 河南阳光防水科技有限公司 | The early strong curing agent of cement |
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| CN111138209A (en) * | 2020-01-15 | 2020-05-12 | 江苏奥莱特新材料股份有限公司 | Concrete external curing agent |
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| CN112266270A (en) * | 2020-10-19 | 2021-01-26 | 上海三彩科技发展有限公司 | Method for spraying waterproof liquid on surface of concrete before concrete is not dried |
| 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 |
| CN112794676B (en) * | 2021-01-26 | 2022-09-02 | 江西省建材科研设计院有限公司 | Concrete long-acting curing sealing protective agent |
| CN113582720B (en) * | 2021-08-13 | 2022-12-02 | 石家庄市长安育才建材有限公司 | High-water-retention uvioresistant concrete external curing agent and preparation method thereof |
-
2002
- 2002-04-26 CN CNB021114978A patent/CN1171831C/en not_active Expired - Lifetime
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| CN1453244A (en) | 2003-11-05 |
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Owner name: SHANGHAI SANRUI POLYMER MATERIALS CO., LTD. Free format text: FORMER OWNER: SHANGHAI SANRUI CHEMISTRY CO., LTD. Effective date: 20060714 |
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Effective date of registration: 20060714 Address after: 200232 Shanghai Xuhui District City Jia Chuan Road No. 245 Building No. 3 8 floor Patentee after: Shanghai Sanrui Polymer Material Co., Ltd. Address before: Haixing Plaza 1 No. 200023 Shanghai Ruijin City Road 23 building D Patentee before: Shanghai Sanrui Chemistry Co., Ltd. |
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Denomination of invention: Water-base liquid film-type concrete curing agent Effective date of registration: 20110415 Granted publication date: 20041020 Pledgee: China Merchants Bank Limited by Share Ltd small business credit center Pledgor: Shanghai Sanrui Polymer Material Co., Ltd. Registration number: 2011990000127 |
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Date of cancellation: 20110901 Granted publication date: 20041020 Pledgee: China Merchants Bank Limited by Share Ltd small business credit center Pledgor: Shanghai Sanrui Polymer Material Co., Ltd. Registration number: 2011990000127 |
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Denomination of invention: Water-base liquid film-type concrete curing agent Effective date of registration: 20110901 Granted publication date: 20041020 Pledgee: China Merchants Bank Limited by Share Ltd small business credit center Pledgor: Shanghai Sanrui Polymer Material Co., Ltd. Registration number: 2011990000334 |
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