CN102206061A - Cement mortar-concrete high-efficiency multifunctional assistant and preparation method thereof - Google Patents
Cement mortar-concrete high-efficiency multifunctional assistant and preparation method thereof Download PDFInfo
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- CN102206061A CN102206061A CN2011100610780A CN201110061078A CN102206061A CN 102206061 A CN102206061 A CN 102206061A CN 2011100610780 A CN2011100610780 A CN 2011100610780A CN 201110061078 A CN201110061078 A CN 201110061078A CN 102206061 A CN102206061 A CN 102206061A
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Abstract
The invention discloses a cement mortar-concrete high-efficiency multifunctional assistant. In the assistant, 0.35-percent diluted liquid is used in place of cement mortar-concrete stirring water with a water to cement ratio of 0.6 to 0.65, the conventional maintenance method can be replaced, a high-moisture environment for cement hydration can be guaranteed, the project quality can be guaranteed after reducing 20 percent of cement, and the assistant also has demolding and derusting functions. The high-efficiency and multifunctional cement mortar-concrete assistant is convenient for processing, use, storage and transport. The assistant is sticky oil-in-water (o/w) saponified emulsion made of environment-friendly self-prepared materials and commercial raw materials in part by weight. The names and weight of the raw materials are shown below.
Description
Technical field:
The present invention is relevant with the auxiliary agent of sand-cement slurry, concrete.
Technical background:
When production sand-cement slurry goods, concrete, foam concrete, concrete prefabricated parts or the building block of steam press maintenance concrete,, prevent goods, member and template bonding in order to protect template; Neat for the corner angle that make goods, surfacing, attractive in appearance must be at the contact position coating release agent of template (wooden model or punching block) with goods.
For a long time, the building trade of China is made releasing agent with machine oil or used oil always.Its advantage is: stripping result is better.Its shortcoming is: price is higher, and (every kilogram of used oil can only be coated with 2.5-4m
2, demoulding expense is about 0.9 yuan/m
2), pollute goods and environment, constructional difficulties again.At present, though have bulk, powdered mold release agents to sell on the market, all to dissolve when using with steam or hot water.General building site lacks heating condition.Therefore, many building units still use machine oil or used oil to make releasing agent.
In order to make the prescription moisture content in sand-cement slurry and the concrete pour mass can very fast evaporation, higher wet environment be arranged in the time of should making hydrated cementitious and produce intensity.Therefore, must carry out maintenance to mortar, the concrete of being poured into a mould.The tradition maintenance process is spreading sawdust, straw, straw bag, gunnysack or a plastic cloth on pour mass, and continuous water seasoning is more than seven days.Though this kind maintenance process has certain effect, exist water loss big; The facing directly of pour mass, the bad maintenance in inclined-plane; Plastic cloth rapid wear and aging, the moisture content meeting rapid evaporation of overlap joint or breakage influences construction quality, and coverture waves with the wind, causes environmental pollution.
Chinese patent discloses the water-base liquid film-type concrete curing agent of being made up of polyacrylic polymer, wax emulsion, wetting agent etc. for No. 021114797, though certain infiltration, demoulding performance are arranged, can prevent the moisture content rapid evaporation in the pour mass.But,, so that promote limited because cost is higher.
Summary of the invention:
The present invention is on the basis of concrete multifunctional assistant (ZL200510020658.X), further improve the high efficiency of auxiliary agent, so that provide a kind of processing, use, accumulating conveniently to domestic and international construction market, cheap, can make the demoulding (about 0.2 yuan of every kg feed material valency), rust-preventive agent, have efficient enhancing, maintenance (about 0.027 yuan of every kg feed material valency) function again, be fit to the high-efficiency multi-function auxiliary agent of sand-cement slurry, the use of all kinds of concrete goods.
The present invention is achieved in that
Sand-cement slurry, concrete high-efficiency multi-function auxiliary agent, it is thick, oil-in-water (o/w) the type saponification emulsion of being made by the worked materials of following weight part and commercial raw material:
Product can supply water, and silt particle is starched, all kinds of concrete goods use.Both reduce cost of raw and processed materials when making releasing agent, avoided being coated with the pollution that mixing oil, machine oil, used oil cause again.Once the former holy lamp township Dong Hua group clay brick field in Chengdu; The Chengdu silicic acid saltworks of concrete building block of production lightweight and aerating concrete, the extraordinary Building Materials Factory in Guanghan City; Producing the Chengduization of prefabricated components (pipeline, electric pole) founds the factory; Chengdu the 8th construction engineering corporation, the Sichuan Province state construction engineering corporation that are engaged in building operation are on probation, and stripping result is all good.
According to repeatedly test, after reducing by 20% cement consumption, auxiliary agent of the present invention (is taken out magma and is made into 0.35% thin liquid by 0.21%～0.28% of actual cement consumption with " interior addition ", again with this liquid for water (w/c=0.6～0.65), mortar mixes cement, concrete, natural curing after the demoulding, or in three days by liquid measure 50%, 30%, 20% spray day by day water once or " being coated with method outward " (to the sand-cement slurry of blunging, concrete pour mass first three sky after the demoulding, respectively by liquid measure 50%, 30%, spraying every day of 20% amount is once) its intensity of 28 days with do not reduce cement, blunge natural curing the or only intensity of the comparative group of water gaging such as spray is equal or surpass in first three day after the demoulding.Not only save 20% cement, the environmental pollution of also having avoided traditional maintenance process to cause.
Cement is the main gelling material of mortar, concrete.Concrete is the material of construction that the human's demand amount is only second to water.When producing cement, a large amount of energy be consume, a large amount of C02 and dust discharged; When production sand-cement slurry, concrete goods, if use traditional demoulding, maintenance process, price height not only, but also cause environmental pollution.After using product of the present invention, above-mentioned shortcoming all can be overcome.2010, China produced 1,800,000,000 tons of cement.If can save 20%, just can reduce 3.6 hundred million tons.By 500 yuan per ton, not only can save 1,800 hundred million yuan, but also reduce the pollution that 3.6 hundred million tons of C02 and a large amount of dust discharges are caused.Economic and social benefit is very remarkable.Produce, use product of the present invention, meet energy-conservation, the reduction of discharging of country, the state basic policy of consumption reduction.
Embodiment:
Polymer-modified: worked materials, play bonding, enhancement.Make by water-soluble 1799 type industrial-grade polyethylene alcohol, anti ammonium chloride, properties-correcting agent borax and water.Make viscous liquid with this liquid and finish material, be coated on the mould after because water evaporates, just generate the very thin barrier film of one deck on the mould.In the molecular layer of this film, hydrophobic group points to the template top layer, and each is intermolecular, and hydrophobic group and hydrophilic group both contacted with each other, and were not closely connected again, can slide over each other, and goods are separated smoothly with template, played demoulding effect.If after adding this liquid in sand-cement slurry, the concrete, the emulsion ion of the adhesive property of solution, reticulated structure, finish, can seal, stop up the capillary porosity duct in mortar, the concrete, prevent the moisture content rapid evaporation in the sand-cement slurry, make sand-cement slurry, concrete intensity can normally be improved in aquation, sclerosis under the wet environment.
Modified waxes: the worked materials of forming by paraffin and ceresine compatibility.Paraffin contains Chinese wax and yellow wax.Select the industrial paraffin of 48 ℃-66 ℃ of fusing points for use.Its price is lower, but shows the coarse-grain state during crystallization; No saponification value can not directly be saponified into emulsion, must add the ceresine modification, adds emulsification promotor, emulsifying agent, ability saponification, emulsification.It is the main raw material of finish.
Ceresine: have another name called Microcrystalline Wax.Select the synthetic ceresine of 60 ℃-80 ℃ of fusing points for use.With behind it and the paraffin compatibility, the coarse-grain state in the time of can changing wax crystal.It is the important source material of finish.
Oil cake: be the residuum after the oilseed plant oil expressions such as vegetable seed, peanut.Also can select animal and vegetable oil oil foot or used oil for use.Make finish and weighting agent in the present invention.
Emulsifying agent: can make oil, Wax saponification, emulsive material.Select for use industrial sodium carbonate, ammoniacal liquor, polyoxyethylenated castor oil (EL), dodecyl phenol polyethenoxy ether (OP) to make emulsifying agent in the embodiments of the invention respectively.
Emulsification promotor: the worked materials of forming by rosin and stearic acid.Rosin: claim ripe rosin or ripe perfume (or spice) again.Contain a large amount of sylvic acids, select II-III level industrial goods for use.Stearic acid: claim stearic acid again.Behind it and the rosin compatibility, but both alkaline matters in the neutralization solution, and the pH value of regulator solution can promote paraffin saponification, emulsification again.Select the industrial goods of about 70 ℃ of fusing points for use.
Composite fortifier: worked materials.Form by industrial goods trolamine, anhydrous sodium sulphate, sodium-chlor, Sodium Nitrite and water.Trolamine can disperse cement granules, quickens hydrated cementitious; Anhydrous sodium sulphate can with the hydrated product calcium hydroxide effect of cement, generate calcium sulfate; Sodium-chlor can with the calcium hydroxide effect, generate calcium chloride.Both reduce the basicity of solution, also promoted the tricalcium silicate aquation; Promotion generates early favourable by force aquation calcium sulphoaluminate and hydrated calcium chloroaluminate, thereby the intensity of sand-cement slurry, concrete is improved constantly, and forms extraordinary growth.
Sodium Nitrite: strong oxidizer.After the iron and steel effect, can generate passive film at steel surface, prevent the chlorion corrosion steel in the solution, guarantee construction quality.
Catalyzer: select industrial cerium oxide for use.It is a kind of cerium group (light rare earths).It is the catalyzer of chemical industry.After the use, can accelerate chemical reaction velocity.
The prescription of sand-cement slurry, concrete high-efficiency multi-function auxiliary agent such as table one weight part
The prescription of modified polymer solution such as table two weight part
The prescription of modified waxes such as table three weight part
The prescription of emulsifier solution such as table four weight part
The prescription of emulsification promotor such as table five weight part
The prescription of composite fortifier solution such as table six weight part
Prescription and the preparation method of each embodiment are as follows:
The preparation method of present embodiment is as follows:
1, whole water are poured in the emulsification pot, when being warming up to 50 ℃ of left and right sides, take out 46 parts of water after, polyvinyl alcohol, ammonium chloride is added in the emulsification pot mixes thoroughly.After continuing to be warmed up to 90 ℃-95 ℃, be cooled to 80 ℃ of-85 ℃ of insulations, molten entirely.
2, take out 10 parts of hot water, with borax add mix in the hot water molten standby.
3, take out 6 parts of hot water, with yellow soda ash add mix in the hot water molten standby.
4, under agitation splash into and carry out modification in 1, make it to become the reticulated structure of slightly water-soluble from water miscible branched structure with 2.
5, the paraffin that will pulverize, ceresine, oil cake, rosin and stearic acid add in the emulsification pot, after stirring is dissolved, slowly splash in the pot 3 again, make oil phase substance saponification under the effect of emulsification promotor, emulsification.
6, will composite fortifier solution add in the emulsification pot and mix thoroughly, supply evaporated water after, thoroughly mix thoroughly, cooling can make thick, the oil-in-water-type saponification emulsion of wt=35.3%.
The preparation method of present embodiment and embodiment are together.
The preparation method of present embodiment and embodiment are together.
The preparation method of present embodiment and embodiment are together.
The preparation releasing agent, the method for maintenance toughener is as follows:
1, shale clay brick releasing agent: agent: water=1: 2.5～3.
2, sand-cement slurry, concrete goods releasing agent: agent: water=1: 34.
3, sand-cement slurry, the efficient maintenance of concrete, toughener: agent: water=1: 284.
The performance of sand-cement slurry of the present invention, concrete high-efficiency multi-function auxiliary agent is as follows:
Outward appearance: tawny viscous liquid.
Emulsion type: oil-in-water (o/w) type; Strength of solution (wt%): 35.3
Solution acid alkalinity: neutrality; The solution quality guaranteed period: 〉=1 year
Intensity detection unit: inspection of engineering quality testing station, Chenghua district, Chengdu (tool MA qualification)
Surveying instrument: WF-300A universal hydraulic testing machine
(Shijin Group Co., Ltd., Jinan's product).
Claims (9)
1. sand-cement slurry of the present invention, concrete high-efficiency multi-function auxiliary agent and preparation method thereof is characterized in that: it is by following weight part, the worked materials of compliance with environmental protection requirements and commercial raw material, and thick, oil-in-water (o/w) type of being processed into, saponification emulsion:
2. according to the described starting material of claim 1, it is characterized in that: polymer-modified 1799 type polyvinyl alcohol by the 7.00-52.50 weight part, 0.064-0.48 weight part anti ammonium chloride and 0.003-0.026 weight part properties-correcting agent borax are formed.
3. according to the described starting material of claim 1, it is characterized in that: modified waxes is made up of the paraffin of 1.80-13.50 weight part and the ceresine of 0.60-4.50 weight part.
4. according to the described starting material of claim 1, it is characterized in that: the tank oil waste material is the residuum (oil cake) after the 2.00-15.00 weight part is extracted oil by oilseed plants such as vegetable seed or peanut or sesames, or animal and vegetable oil oil foot or used oil.
5. according to the described starting material of claim 1, it is characterized in that: emulsifying agent is 0.15-1.13 weight parts of sodium carbonate or 017.-1.29 part ammoniacal liquor, or the rare Viscotrol C of 0.18-1.35 part polyoxy second (EL) or 0.22-1.62 part dodecyl phenol polyethenoxy ether (OP).
6. according to the described starting material of claim 1, it is characterized in that: emulsification promotor is made up of the rosin of 1.20-9.00 weight part and the stearic acid of 0.40-3.00 weight part.
7. according to the described starting material of claim 1, it is characterized in that: composite fortifier by the Sodium Nitrite of the sodium-chlor of anhydrous sodium sulphate (Sodium sulfate anhydrous.min(99)) the 1.12-8.40 weight part of the trolamine of 0.06-0.45 weight part, 2.40-18.00 weight part, 1.28-9.60 weight part, form.
8. according to the described starting material of claim 1, it is characterized in that: catalyzer is the industrial light rare earths cerium oxide of 0.03-0.23 weight part.
9. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 described raw-material working methods, it is characterized in that comprising the steps:
(1) go out various raw materials and water by the formula ratio scale, standby.
(2) pulverize paraffin, ceresine, rosin, standby.
(3) preparation modified polymer solution, emulsifier solution, composite fortifier solution.
(4) 2.+3.+and 4+5+6, prepare thick saponification emulsion.
(5) 4.+and 7+8, the preparation weight concentration is 35.3% high-efficiency multi-function auxiliary agent.
When (6) using, according to demand, add the different water yields and mix thoroughly and get final product.Press agent: water=1: 2.5～3, can prepare shale clay brick releasing agent; By agent: water=1: 34, can prepare the releasing agent of sand-cement slurry, concrete goods; Press agent: water=1: 284, can prepare sand-cement slurry, the maintenance of concrete goods, toughener.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332921A (en) * | 2013-05-30 | 2013-10-02 | 铜陵丰泽建材科技有限公司 | Fireproof and fire retardant aerated concrete block and preparation method thereof |
| CN104593135A (en) * | 2015-03-01 | 2015-05-06 | 莆田市荔城区聚慧科技咨询有限公司 | Cement prefabricate release agent |
-
2011
- 2011-03-15 CN CN2011100610780A patent/CN102206061A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332921A (en) * | 2013-05-30 | 2013-10-02 | 铜陵丰泽建材科技有限公司 | Fireproof and fire retardant aerated concrete block and preparation method thereof |
| CN103332921B (en) * | 2013-05-30 | 2016-03-02 | 铜陵丰泽建材科技有限公司 | Air-entrained concrete building block of fire protection flame retarding and preparation method thereof |
| CN104593135A (en) * | 2015-03-01 | 2015-05-06 | 莆田市荔城区聚慧科技咨询有限公司 | Cement prefabricate release agent |
| CN104593135B (en) * | 2015-03-01 | 2017-12-01 | 南京旭羽睿材料科技有限公司 | A kind of cement prefabricated product releasing agent |
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Application publication date: 20111005 |