CN105347727A - High-permeability liquid hardening agent - Google Patents
High-permeability liquid hardening agent Download PDFInfo
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- CN105347727A CN105347727A CN201510849050.1A CN201510849050A CN105347727A CN 105347727 A CN105347727 A CN 105347727A CN 201510849050 A CN201510849050 A CN 201510849050A CN 105347727 A CN105347727 A CN 105347727A
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Abstract
The invention relates to the technical field of cement-based building materials, and aims at providing a high-permeability liquid hardening agent. The high-permeability liquid hardening agent is prepared from, by weight, 5-20 parts of fluosilicate, 5-10 parts of polymeric hydroxy aluminum salt, 70-90 parts of water, 1-5 parts of wetting agent and 1-5 parts of antifoaming agent. Fluosilicate and polymeric hydroxy aluminum salt are adopted as main ingredients, and the hardness and abrasion resistance of cement can be remarkably improved. Meanwhile, a preparation method is simple, raw materials are cheap, and industrial production cost can be reduced. The preparation process is simple and easy to implement, operation is easy and convenient, industrial large-scale production is facilitated, the industrial production cost is reduced, the high-permeability liquid hardening agent is especially suitable for cement-based floors such as industrial factory buildings and parking lots, and wide application prospects are achieved.
Description
Technical field
The present invention relates to cement based building materials technology field, particularly a kind of Thief zone type liquid hardening agent for silicate cement.
Background technology
Cement based terrace has the feature of high strength, low cost, is widely used in the buildings such as inhabitation, industry, business.But, cement based building materials often because lot stability is not enough, construction and the reason such as maintenance is not in place, cause terrace to occur the disadvantage such as dusting, cracking, reduce the use properties of material or lose some function.By carrying out later stage improvement to cement-based material, the performance of cement-based material can be improved, there is significant environmental benefit and economic benefit.
Application number is that the Chinese invention patent application of CN201410185988.3 discloses a kind of cement seal solidifying agent being composition with water glass, lithium silicate, magnesium silicofluoride, SODIUM PHOSPHATE, MONOBASIC, mill base and water, Silica hydrogel crystal can be formed in concrete and through the pore of aquation closed concrete, thus improve concrete hardness and wear resistance energy.Application number is that the Chinese invention patent application of CN03116794.2 discloses a kind of cement concrete surface-reinforcing sealant, it adopts magnesium silicofluoride, silicone emulsion, Tai-Ace S 150 and water mixing composition, but the surface penetration of this surface-reinforcing sealant is shallow, the sealing ply formed is very shallow, and wherein a large amount of sulfate ion can cause tiny crack to cause concrete surface hardness low, thus ground wear resisting property is poor.
Osmosis type liquid hardening agent depth of penetration provided by the invention is large, surface abrasion resistance is high, is applicable to all kinds of cement based terrace.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes deficiency of the prior art, provides the osmosis type liquid hardening agent that a kind of depth of penetration is large, surface abrasion resistance is high.
For technical solution problem, solution of the present invention is:
Thering is provided a kind of Thief zone type liquid hardening agent, is mixed by the raw material of following weight part:
Described silicofluoride is at least one in aluminum fluosilicate, Sodium Silicofluoride, magnesium silicofluoride or zine fluosilicate; The basicity of described polymeric polyhydroxy aluminium salt is not less than 80%, is at least one in polyaluminium sulfate, polymerize aluminum chloride or polymerization aluminum nitrate.
In the present invention, described wetting agent is alkylphenol polyoxyethylene or polyether silicones.
In the present invention, described defoamer is water-soluble organic silicon defoamer.
Thief zone type liquid hardening agent in the present invention is prepared by following steps:
(1) stirring at low speed:
Water, polymeric polyhydroxy aluminium salt are added in high speed dispersor, under the speed of 200 ~ 1000r/min, stir 5 ~ 10min;
(2) high speed dispersion:
Under the speed of 1000 ~ 3000r/min, silicofluoride is continued be added in aforementioned high speed dispersor, stir 10 ~ 30min;
(3) stirring at low speed:
Stir under the speed of 200 ~ 1000r/min, wetting agent and defoamer are added in aforementioned high speed dispersor, dispersion 5 ~ 15min, obtains Thief zone type liquid hardening agent.
Inventive principle describes:
In the present invention, silicofluoride, mainly as activated feedstock, can form C-S-H gel with the calcium hydroxide in cement, and can not introduce the strong alkaline substance such as sodium ion, potassium ion in a large number, avoids stiffening agent to occur accumulation of salt in the surface soil problem.Described silicofluoride can adopt commercially available prod.As preferably, described silicofluoride is magnesium silicofluoride and zine fluosilicate.
Polymeric polyhydroxy aluminium salt can form special enhancing ingredients with unreacted activated silica colloidal sol, and described polymeric polyhydroxy aluminium salt is commercially available prod, and its basicity is not less than 80%.
Described wetting agent is the tensio-active agent that can reduce stiffening agent surface tension, improve seepage velocity;
Described defoamer is the component can eliminated bubble fast, improve depth of penetration.
Compared with prior art, tool of the present invention has the following advantages:
The present invention adopts silicofluoride and polymeric polyhydroxy aluminium salt to be main component, can significantly improve hardness and the fastness to rubbing of cement.Meanwhile, preparation method of the present invention is simple, and raw material is cheap, is conducive to reducing industrial production cost.
Preparation method of the present invention, coating can be obtained after dispersed with stirring is carried out to raw material, its preparation technology is simple, easy to implement, easy and simple to handle, be conducive to industrialization scale operation, reduce industrial production cost, be specially adapted to the cement based terrace such as industrial premises, parking lot, have broad application prospects.
Embodiment
Below in conjunction with case study on implementation, the present invention is further described." part " in the following example all refers to weight part.
Embodiment 1
In high speed dispersor, add 70 parts, water, polyaluminium sulfate 8 parts, under the speed of 1000r/min, disperse 5min; Add magnesium silicofluoride 20 parts again, under the speed of 2000r/min, disperse 15min to obtain slurry; Under the speed of 300r/min, alkylphenol polyoxyethylene 2 parts, water-soluble organic silicon defoamer 5 parts are added in this slurry, dispersed with stirring 10min, obtain Thief zone type liquid hardening agent; Raw materials used parts by weight are as follows:
Embodiment 2
In high speed dispersor, add 90 parts, water, polymerize aluminum chloride 5 parts, under the speed of 600r/min, disperse 7min; Add zine fluosilicate 10 parts again, under the speed of 1000r/min, disperse 30min to obtain slurry; Under the speed of 200r/min, polyether silicones 5 parts, water-soluble organic silicon defoamer 1 part are added in this slurry, dispersed with stirring 15min, obtain Thief zone type liquid hardening agent; Raw materials used parts by weight are as follows:
Embodiment 3
In high speed dispersor, add 80 parts, water, polymerization aluminum nitrate 10 parts, under the speed of 400r/min, disperse 8min; Add aluminum fluosilicate 5 parts again, under the speed of 3000r/min, disperse 10min to obtain slurry; Under the speed of 1000r/min, alkylphenol polyoxyethylene 1 part, water-soluble organic silicon defoamer 3 parts are added in this slurry, dispersed with stirring 5min, obtain Thief zone type liquid hardening agent; Raw materials used parts by weight are as follows:
Embodiment 4
In high speed dispersor, add 80 parts, water and polyaluminium sulfate 6 parts, polymerize aluminum chloride 4 parts, under the speed of 200r/min, disperse 10min; Add Sodium Silicofluoride 2 parts, magnesium silicofluoride 1 part, zine fluosilicate 2 parts again, under the speed of 2500r/min, disperse 20min to obtain slurry; Add in this slurry by polyether silicones 1 part and water-soluble organic silicon defoamer 3 parts under the speed of 800r/min, dispersed with stirring 8min, obtains Thief zone type liquid hardening agent; Raw materials used parts by weight are as follows:
Embodiment 5
In high speed dispersor, add 80 parts, water and polyaluminium sulfate 2 parts, polymerization aluminum nitrate 8 parts, under the speed of 200r/min, disperse 10min; Add aluminum fluosilicate 2 parts, Sodium Silicofluoride 2 parts and zine fluosilicate 1 part again, under the speed of 2500r/min, disperse 20min to obtain slurry; Add in this slurry by polyether silicones 2 parts and water-soluble organic silicon defoamer 1 part under the speed of 800r/min, dispersed with stirring 8min, obtains Thief zone type liquid hardening agent; Raw materials used parts by weight are as follows:
The concrete using method of product in the present invention:
Spray or roller coating twice Thief zone type liquid hardening agent at the concrete floor cleaned out, often all over maintaining saturated moisture state 30 minutes, consumption is 2 ~ 5m
2/ kg.
The performance test of product of the present invention:
Standard sand lumps is soaked in 24h in product of the present invention, in normal conditions maintenance 7d, with reference to JC/T2158-2012, JC/T872-2000 standard detection, result is as shown in the table.
Table 1. salient features of the present invention
| Blank sample | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| 24h water absorbent surface amount | 21mm | 2.3 | 1.6 | 2.8 | 2.2 | 1.8 |
| Mohs' hardness | 5 | 7 | 7 | 7 | 7 | 7 |
| Fastness to rubbing ratio | 100％ | 187％ | 234％ | 276％ | 242％ | 215％ |
Application number is the cement seal solidifying agent disclosed in CN201410185988.3, and its product fastness to rubbing is than usually about 1.6, and application number is the cement concrete surface-reinforcing sealant disclosed in CN03116794.2, and its product fastness to rubbing ratio is usually about 1.5.Compared with prior art, Thief zone type liquid hardening agent product of the present invention has significant especially reinforced effects, and wear resisting property is excellent, is applicable to the occasions such as civil construction, commercial building, public building.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its objective is to allow and is familiar with these those skilled in the art and can understands content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalents done by spirit of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (3)
1. a Thief zone type liquid hardening agent, is characterized in that, is to be mixed by the raw material of following weight part:
Described silicofluoride is at least one in aluminum fluosilicate, Sodium Silicofluoride, magnesium silicofluoride or zine fluosilicate; The basicity of described polymeric polyhydroxy aluminium salt is not less than 80%, is at least one in polyaluminium sulfate, polymerize aluminum chloride or polymerization aluminum nitrate.
2. Thief zone type liquid hardening agent according to claim 1, is characterized in that, described wetting agent is alkylphenol polyoxyethylene or polyether silicones.
3. Thief zone type liquid hardening agent according to claim 1, is characterized in that, described defoamer is water-soluble organic silicon defoamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510849050.1A CN105347727A (en) | 2015-11-26 | 2015-11-26 | High-permeability liquid hardening agent |
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| CN201510849050.1A CN105347727A (en) | 2015-11-26 | 2015-11-26 | High-permeability liquid hardening agent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693133A (en) * | 2016-02-29 | 2016-06-22 | 苏州纳固新材料有限公司 | Cement hardening agent and preparing method thereof |
| CN105753508A (en) * | 2016-02-29 | 2016-07-13 | 苏州纳固新材料有限公司 | Liquid hardening agent with high wear resistance and preparation method thereof |
| CN105837111A (en) * | 2016-03-23 | 2016-08-10 | 许英男 | Antifouling dry-powdered emulsion paint and preparation method thereof |
| CN106587712A (en) * | 2016-12-09 | 2017-04-26 | 钦州市钦南区科学技术情报研究所 | Liquid hardener and preparation method thereof |
| CN110000329A (en) * | 2019-05-15 | 2019-07-12 | 天津荣亨集团股份有限公司 | Formwork curing agent for model casting |
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| US6302954B1 (en) * | 1996-10-25 | 2001-10-16 | Bk Giulini Chemie Gmbh | Solidifying and hardening accelerator for hydraulic binders |
| CN101618956A (en) * | 2009-08-03 | 2010-01-06 | 同济大学 | Bi-component aqueous ground hardening agent and preparation method thereof |
| CN102030560A (en) * | 2010-11-13 | 2011-04-27 | 上海交通大学 | Aqueous concrete seal hardener and preparation method thereof |
| CN103553406A (en) * | 2013-09-27 | 2014-02-05 | 中国建筑材料科学研究总院 | Alkali and chlorine-free liquid setting accelerator based on industrial polyaluminium sulfate and its preparation method |
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| CN103864341A (en) * | 2014-03-24 | 2014-06-18 | 深圳市清大鸿成科技有限公司 | Concrete hardening agent and preparation method thereof |
| CN103992135A (en) * | 2014-05-27 | 2014-08-20 | 中建商品混凝土有限公司 | Concrete curing compound and preparation method thereof |
| CN104609748A (en) * | 2015-02-11 | 2015-05-13 | 武汉理工大学 | Super sulfur cement |
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2015
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6302954B1 (en) * | 1996-10-25 | 2001-10-16 | Bk Giulini Chemie Gmbh | Solidifying and hardening accelerator for hydraulic binders |
| CN101618956A (en) * | 2009-08-03 | 2010-01-06 | 同济大学 | Bi-component aqueous ground hardening agent and preparation method thereof |
| CN102030560A (en) * | 2010-11-13 | 2011-04-27 | 上海交通大学 | Aqueous concrete seal hardener and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693133A (en) * | 2016-02-29 | 2016-06-22 | 苏州纳固新材料有限公司 | Cement hardening agent and preparing method thereof |
| CN105753508A (en) * | 2016-02-29 | 2016-07-13 | 苏州纳固新材料有限公司 | Liquid hardening agent with high wear resistance and preparation method thereof |
| CN105693133B (en) * | 2016-02-29 | 2018-01-02 | 苏州纳固新材料有限公司 | A kind of cement hardener and preparation method thereof |
| CN105753508B (en) * | 2016-02-29 | 2018-04-06 | 苏州纳固新材料有限公司 | A kind of high abrasion liquid hardening agent and preparation method thereof |
| CN105837111A (en) * | 2016-03-23 | 2016-08-10 | 许英男 | Antifouling dry-powdered emulsion paint and preparation method thereof |
| CN106587712A (en) * | 2016-12-09 | 2017-04-26 | 钦州市钦南区科学技术情报研究所 | Liquid hardener and preparation method thereof |
| CN110000329A (en) * | 2019-05-15 | 2019-07-12 | 天津荣亨集团股份有限公司 | Formwork curing agent for model casting |
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Application publication date: 20160224 |