CN110482900A - A kind of retardation setting type fatty family water-reducing agent and preparation method thereof - Google Patents
A kind of retardation setting type fatty family water-reducing agent and preparation method thereof Download PDFInfo
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- CN110482900A CN110482900A CN201910714203.XA CN201910714203A CN110482900A CN 110482900 A CN110482900 A CN 110482900A CN 201910714203 A CN201910714203 A CN 201910714203A CN 110482900 A CN110482900 A CN 110482900A
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- reducing agent
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to technical field of concrete additives, a kind of retardation setting type fatty family water-reducing agent and preparation method thereof is specifically referred to, formula includes the ingredient of following weight parts: 20~30 parts of acetone, 20~35 parts of sodium sulfite, 15~25 parts of calcium lignosulfonate, 5~10 parts of hydroxypropyl methyl cellulose, 1~2.5 part of silicone powder, 3~6 parts of shale ashes, 2~4 parts of borax, 5~10 parts of polyethylene glycol oxide, 15~35 parts of formaldehyde, 5~15 parts of sodium hydroxide, 2~5 parts of auxiliary agent；The invention also discloses a kind of preparation methods of retardation setting type fatty family water-reducing agent.The finished product water-reducing rate that the present invention produces is high and retarding effect is good, and setting time can extend 2-4 hours, can change and improve every mechanical property of concrete, good to various cement adaptabilities, acts on reinforcing bar non-corroding, can be used for various reinforced concrete works.
Description
Technical field
The present invention relates to technical field of concrete additives, in particular to a kind of retardation setting type fatty family water-reducing agent and its system
Preparation Method.
Background technique
Concrete admixture, abbreviation additive refer to that incorporation is to change before mixing concrete mixing or during mix
The substance of kind concrete performance.Since additive can effectively improve the performance of concrete, and it is with good economic efficiency,
It is widely used in many countries, the application in engineering is increasingly taken seriously, and becomes indispensable in concrete
Material.Wherein water-reducing agent is most important a kind of additive in concrete, it can be in concrete workability and cement consumption
Under permanence condition, it can be reduced mixing water amount, improve concrete strength；Or under workability and intensity permanence condition, water is saved
Mud dosage.But currently on the market used in water-reducing agent that there is volumes is big, water reducing ability is poor, the disadvantage of plasticization effect difference, nothing
Method meets the requirement in market.
Summary of the invention
For above-mentioned deficiency in the prior art, the present invention provides a kind of retardation setting type fatty family water-reducing agent and its preparations
Method, quality are stable, pollution-free.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows:
A kind of retardation setting type fatty family water-reducing agent, the ingredient including following weight parts: 20~30 parts of acetone, sodium sulfite 20
~35 parts, 15~25 parts of calcium lignosulfonate, 5~10 parts of hydroxypropyl methyl cellulose, 1~2.5 part of silicone powder, shale ashes 3~6
Part, 2~4 parts of borax, 5~10 parts of polyethylene glycol oxide, 15~35 parts of formaldehyde, 5~15 parts of sodium hydroxide, 2~5 parts of auxiliary agent.
Preferably, the auxiliary agent includes the ingredient of following weight parts: 3~6 parts of activated magnesia, tufa stone micro mist
3~6 parts, 1-3 parts of ammonium benzoate, 3~5 parts of poly-ferric chloride, 1~2 part of isobutene triethoxysilane, 3~5 parts of germanite powder,
3~6 parts of Desulphurization, 2~3 parts of polyamide wax, 1~2.5 part of lithium magnesium silicate.
Preferably, the auxiliary agent the preparation method comprises the following steps: by activated magnesia, tufa stone micro mist, ammonium benzoate, poly-
Conjunction iron chloride, isobutene triethoxysilane stir 10~15min under 40~60 DEG C of bath temperatures, after being cooled to room temperature, add
Enter germanite powder, Desulphurization, polyamide wax, lithium magnesium silicate, stirs, auxiliary agent obtained by drying.
A kind of preparation method of retardation setting type fatty family water-reducing agent, includes the following steps:
(1) it weighs according to above-mentioned weight proportion；
(2) acetone, sodium sulfite and suitable quantity of water are added into reaction kettle, heating stirring 25~35 minutes, first is then added
Aldehyde continues stirring 25~35 minutes；
(3) calcium lignosulfonate is added in a kettle, hydroxypropyl methyl cellulose, silicone powder, shale ashes, borax, gathers
Ethylene oxide, auxiliary agent, after mixing evenly insulation reaction 2~5 hours；
(4) sodium hydroxide is added, adjusting pH value of reaction system is 9~10.
Preferably, in step 2, the hybrid reaction temperature of acetone, sodium sulfite and water is 80~90 DEG C.
The invention has the benefit that water-reducing rate is high and retarding effect is good, setting time can extend 2-4 hours, can be with
Every mechanical property of concrete is changed and improved, it is good to various cement adaptabilities, reinforcing bar non-corroding is acted on, can be used for various steel
Reinforced concrete engineering.
Specific embodiment
In order that the present invention can be more clearly and readily understood, below by technical solution in the embodiment of the present invention
It is clearly and completely described.
Acetone: it is a kind of colourless transparent liquid, there are special acrid odors.Soluble easily in water and methanol, ethyl alcohol, ether, chlorine
The organic solvents such as imitative, pyridine.Inflammable, volatile, chemical property is more active.The industrial production of acetone is based on cumene method.Third
Ketone is industrially mainly as solvent for also can be used as in the industries such as explosive, plastics, rubber, fiber, process hides, grease, spray painting
Synthesize the important original of the substances such as ketenes, aceticanhydride, iodoform, polyisoprene rubber, methyl methacrylate, chloroform, epoxy resin
Material.Diluent, cleaning agent, extractant are also served as, is used as in the industry such as cordite, celluloid, acetate fiber, spray painting molten
Agent.
Sodium sulfite: common sulphite, white, monoclinic crystal or powder.To eyes, skin, the irritating work of mucous membrane
With, generated toxic sulfide flue gas by high thermal decomposition, be industrially mainly used for sulphite cellulose ester processed, sodium thiosulfate,
Organic chemical, white goods etc. also serve as reducing agent, preservative, antichlor etc..
Calcium lignosulfonate: it is used as cement water reducing agent, it is possible to reduce water consumption improves concrete workability, improves work
Cheng Zhiliang.Summer uses, and can inhibit slump-loss, is generally all used in compounding with high efficiency water reducing agent.
Hydroxypropyl methyl cellulose: it is a kind of semi-synthetic, sluggish, viscoelasticity polymer, is often used in ophthalmology
Make lubrication section, and or auxiliary material or excipients are served as in oral drugs, be common in various different types of commodity.As food additive
Add agent, hydroxypropyl methylcellulose may act as following role: the substitute of emulsifier, thickener, suspending agent and animal gelatin.
Silicone: the polymer of organosilicon oxide, is a series of dimethyl silicone polymer of different molecular weights, viscosity with point
Son amount increases and increases；Chemical property is stablized, and hydrophobicity is strong, not soluble in water, the nonpolar solvent such as gasoline, toluene is dissolved in, to skin
Skin is non-toxic, nonirritant, lubricates and is easy to be coated with, does not interfere the normal function of skin, not pollution clothes, dredges to be comparatively ideal
Aqueous matrix.The product often share with other oleaginous bases and protective ointment are made, for preventing aqueous substance such as acid, lye
Stimulation or corrosion to skin may be made as emulsion-type matrix application.
Shale: as clay be dehydrated it is cementing made of rock, according to formed rock when deposition difference, the plasticity of shale
Index range 5~23, the height of the drying sensitivity of shale raw material shows as diversified form.It is usually quick with drying
Perceptual coefficient is measured, its range is generally between 0.4-1.6, for shale very high for some plasticity, it dry
Dry sensitivity coefficient may be higher.The drying linear shrinkage ratio of shale is also varied widely according to its type difference, changes model
It is trapped among 2.5%-10%.
Borax: being very important containing boron mineral and boron compound, readily soluble usually containing the white powder of clear crystal
Yu Shui.Borax has been widely used, and can be used as detergent, cosmetics, insecticide, it can also be used to configure buffer solution and produce it
His boron compound etc..
Polyethylene glycol oxide: being a kind of with water-soluble and thermoplastic non-ionic linear high score for white particulate powder
Sub- polymer has the performances such as flocculation, thickening, sustained release, lubrication, dispersion, retention, water conservation, nontoxic nonirritant.Therefore, it is making
The industries such as paper, coating, ink, textile printing and dyeing, daily use chemicals have extremely wide application.
Formaldehyde: colourless irritant gas has reproducibility, can burn, and steam and air form explosive mixture, can
Raw material as phenolic resin, Lauxite, polyvinyl, methenamine, pentaerythrite, dyestuff, pesticide and disinfectant etc..
Sodium hydroxide: the highly basic with strong corrosive, generally sheet or block-shape morphology are soluble easily in water and to form alkalinity molten
Liquid has hygroscopy, vapor and carbon dioxide in easy draw air；For common one of chemicals, can make in water process
For alkaline cleaner, it is dissolved in ethyl alcohol and glycerol；Insoluble in propyl alcohol, ether.Disproportionated reaction occurs with halogens such as chlorine, bromine, iodine, with acid
Class plays neutralization and generates salt and water.
A kind of retardation setting type fatty family water-reducing agent, the ingredient including following weight parts: 20~30 parts of acetone, sodium sulfite 20
~35 parts, 15~25 parts of calcium lignosulfonate, 5~10 parts of hydroxypropyl methyl cellulose, 1~2.5 part of silicone powder, shale ashes 3~6
Part, 2~4 parts of borax, 5~10 parts of polyethylene glycol oxide, 15~35 parts of formaldehyde, 5~15 parts 1~5 part of sodium hydroxide, auxiliary agent 2~5
Part.
Preferably, the auxiliary agent includes the ingredient of following weight parts: 3~6 parts of activated magnesia, tufa stone micro mist
3~6 parts, 1-3 parts of ammonium benzoate, 3~5 parts of poly-ferric chloride, 1~2 part of isobutene triethoxysilane, 3~5 parts of germanite powder,
3~6 parts of Desulphurization, 2~3 parts of polyamide wax, 1~2.5 part of lithium magnesium silicate.
Preferably, the auxiliary agent the preparation method comprises the following steps: by activated magnesia, tufa stone micro mist, ammonium benzoate, poly-
Conjunction iron chloride, isobutene triethoxysilane stir 10~15min under 40~60 DEG C of bath temperatures, after being cooled to room temperature, add
Enter germanite powder, Desulphurization, polyamide wax, lithium magnesium silicate, stirs, auxiliary agent obtained by drying.
A kind of preparation method of retardation setting type fatty family water-reducing agent, includes the following steps:
(1) it weighs according to above-mentioned weight proportion；
(2) acetone, sodium sulfite and suitable quantity of water are added into reaction kettle, is heated to 80~90 DEG C, stirs 25~35 minutes,
Then formaldehyde is added, continues stirring 25~35 minutes；
(3) calcium lignosulfonate is added in a kettle, hydroxypropyl methyl cellulose, silicone powder, shale ashes, borax, gathers
Ethylene oxide, auxiliary agent, after mixing evenly insulation reaction 2~5 hours；
(4) sodium hydroxide is added, adjusting pH value of reaction system is 9~10.
The invention has the benefit that water-reducing rate is high and retarding effect is good, setting time can extend 2-4 hours, can be with
Every mechanical property of concrete is changed and improved, it is good to various cement adaptabilities, reinforcing bar non-corroding is acted on, can be used for various steel
Reinforced concrete engineering.
Embodiment one:
A kind of retardation setting type fatty family water-reducing agent, the ingredient including following weight parts: 20 parts of acetone, 25 parts of sodium sulfite,
15 parts of calcium lignosulfonate, 8 parts of hydroxypropyl methyl cellulose, 1 part of silicone powder, 4 parts of shale ashes, 3 parts of borax, polyethylene glycol oxide 5
Part, 30 parts of formaldehyde, 8 parts of sodium hydroxide, 3 parts of auxiliary agent；
Wherein, auxiliary agent includes the ingredient of following weight parts: 3 parts of activated magnesia, parts of tufa stone micro mist, ammonium benzoate 2
Part, 4 parts of poly-ferric chloride, 1.5 parts of isobutene triethoxysilane, 3 parts of germanite powder, 3 parts of Desulphurization, 1.5 parts of polyamide wax, silicon
1 part of sour magnesium lithium.
Embodiment two:
A kind of retardation setting type fatty family water-reducing agent, the ingredient including following weight parts: 25 parts of acetone, 30 parts of sodium sulfite,
20 parts of calcium lignosulfonate, 8 parts of hydroxypropyl methyl cellulose, 1.5 parts of silicone powder, 4 parts of shale ashes, 3 parts of borax, polyethylene glycol oxide
6 parts, 32 parts of formaldehyde, 10 parts of sodium hydroxide, 3 parts of auxiliary agent；
Wherein, auxiliary agent includes the ingredient of following weight parts: 3 parts of activated magnesia, 3 parts of tufa stone micro mist, ammonium benzoate 1.5
Part, 3 parts of poly-ferric chloride, 2 parts of isobutene triethoxysilane, 3 parts of germanite powder, 3 parts of Desulphurization, 2 parts of polyamide wax, magnesium silicate
1.5 parts of lithium.
The above description is only a preferred embodiment of the patent of the present invention, is not intended to limit the invention patent, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the invention patent within the spirit and principle of patent of invention
Protection scope within.
Claims (5)
1. a kind of retardation setting type fatty family water-reducing agent, which is characterized in that the ingredient including following weight parts: 20~30 parts of acetone,
20~35 parts of sodium sulfite, 15~25 parts of calcium lignosulfonate, 5~10 parts of hydroxypropyl methyl cellulose, 1~2.5 part of silicone powder,
3~6 parts of shale ashes, 2~4 parts of borax, 5~10 parts of polyethylene glycol oxide, 15~35 parts of formaldehyde, 5~15 parts of sodium hydroxide, auxiliary agent 2
~5 parts.
2. a kind of retardation setting type fatty family water-reducing agent according to claim 1, it is characterised in that: activated magnesia 3~6
Part, 3~6 parts of tufa stone micro mist, 1-3 parts of ammonium benzoate, 3~5 parts of poly-ferric chloride, 1~2 part of isobutene triethoxysilane,
3~5 parts of germanite powder, 3~6 parts of Desulphurization, 2~3 parts of polyamide wax, 1~2.5 part of lithium magnesium silicate.
3. a kind of retardation setting type fatty family water-reducing agent according to claim 1, it is characterised in that: by activated magnesia, coagulate
Limestone micro mist, ammonium benzoate, poly-ferric chloride, isobutene triethoxysilane stir 10 under 40~60 DEG C of bath temperatures~
15min after being cooled to room temperature, is added germanite powder, Desulphurization, polyamide wax, lithium magnesium silicate, stirs, obtained by drying
Auxiliary agent.
4. a kind of preparation method of retardation setting type fatty family water-reducing agent according to claim 1, it is characterised in that: including such as
Lower step:
(1) it weighs according to above-mentioned weight proportion；
(2) acetone, sodium sulfite and suitable quantity of water are added into reaction kettle, heating stirring 25~35 minutes, formaldehyde is then added, after
Continuous stirring 25~35 minutes；
(3) calcium lignosulfonate, hydroxypropyl methyl cellulose, silicone powder, shale ashes, borax, polyoxygenated are added in a kettle
Ethylene, auxiliary agent, after mixing evenly insulation reaction 2~5 hours；
(4) sodium hydroxide is added, adjusting pH value of reaction system is 9~10.
5. a kind of preparation method of retardation setting type fatty family water-reducing agent according to claim 1, it is characterised in that: in step
In 2, the hybrid reaction temperature of acetone, sodium sulfite and water is 80~90 DEG C.
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