CN108341639A - A kind of early-strength cement base thick-layer leveling mortar and application method - Google Patents

A kind of early-strength cement base thick-layer leveling mortar and application method Download PDF

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Publication number
CN108341639A
CN108341639A CN201810323477.1A CN201810323477A CN108341639A CN 108341639 A CN108341639 A CN 108341639A CN 201810323477 A CN201810323477 A CN 201810323477A CN 108341639 A CN108341639 A CN 108341639A
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China
Prior art keywords
agent
water
early
cement
leveling mortar
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CN201810323477.1A
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Inventor
张超
王辉
钱建男
蔡文龙
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JIANGSU ZHAOJIA BUILDING MATERIALS TECHNOLOGY CO LTD
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JIANGSU ZHAOJIA BUILDING MATERIALS TECHNOLOGY CO LTD
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Priority to CN201810323477.1A priority Critical patent/CN108341639A/en
Publication of CN108341639A publication Critical patent/CN108341639A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/60Flooring materials
    • C04B2111/62Self-levelling compositions
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The invention discloses a kind of early-strength cement base thick-layer leveling mortar and application method, the mass percent of leveling mortar component is as follows:Cement, 10 20%;Reinforcing agent, 3 6%;Exciting agent, 0 5%;Filler, 65.1 86.86%;Additive, 0.14 3.9%;Additive is redispersable latex powder, water-reducing agent, water-retaining agent, retarder, segregation reducing agent, antifoaming agent, and volume is respectively:Redispersable latex powder 0 3%;Super plasticizer 0.03 0.5%;Water-retaining agent 0 0.2%;Retarder 0 0.1%;Segregation reducing agent 0 0.1%;Antifoaming agent 0.01 0.2%.Application method is uniformly mixed by the mass percent of said components and is packaged into bag, is carried out according to ratio of water to material 14 18% plus water uses.The present invention has the advantages that early strong, ungauged regions, wear-resisting, water-fast, application property is good, anti-isolation bleeding, low cost and without harmful chemical.

Description

A kind of early-strength cement base thick-layer leveling mortar and application method
Technical field
The present invention relates to a kind of leveling mortar, specifically a kind of early-strength cement base thick-layer leveling mortar and application method.
Background technology
Cement base thick-layer leveling mortar is with aggregate component and additive by cement, reinforcing agent, exciting agent, priority with suitable When a kind of ratio pulverulent material made of factory's premixing.Used time need to only add water stirring can be as uniform, consistency is suitable, energy is full The early-strength cement base thick-layer leveling mortar with self-leveling of sufficient construction requirement.
Based on cement base facing sand slurry, facing sand slurry in conventional cement base exists strong common leveling mortar in engineering at present The problems such as degree development is slow, and fluidity is poor, surface powder, hollowing easy to crack, it is unstable to directly result in construction quality, and building is not achieved Design standard;And cement-based self-leveling mortar due to its cost, shrinking percentage is higher the shortcomings of do not obtain extensively in the levelling field of thick-layer General application.The cementitious material and water consumption of existing floor leveling mortar are higher, and causing the later stage to be shunk, big, durability is poor, easily goes out Existing hollowing cracking phenomena;And it is relatively narrow with water range, building site in application, worker is inconvenient to use, easily excessive plus water cause from Analyse bleeding, powder problem is played on surface;In addition, existing mortar slurry illiquidity, need artificial levelling, flatness is caused to be not achieved It is required that construction efficiency is relatively low.
Invention content
The purpose of the present invention is to provide a kind of early-strength cement base thick-layer leveling mortar and its application methods, improve size Stability, durability, mechanical strength and construction mobility, facilitate worker to construct, and isolation bleeding, surface will not be caused to play powder phenomenon.
To achieve the goals above, a kind of early-strength cement base thick-layer leveling mortar is provided in the embodiment of the present invention, The mass percent of component is as follows:
Cement 10-20%
Reinforcing agent 3-6%
Exciting agent 0-5%
Filler 65.1-86.86%
Additive 0.14-3.9%
The additive is redispersable latex powder, super plasticizer, water-retaining agent, retarder, segregation reducing agent, antifoaming agent, is mixed Amount is respectively:Redispersable latex powder 0-3%;Super plasticizer 0.03-0.5%;Water-retaining agent 0-0.2%;Retarder 0-0.1%;Resist from Analyse agent 0-0.1%;Antifoaming agent 0.01-0.2%.
Further, reinforcing agent is aluminate cement, sulphate aluminium cement, β-semi-hydrated gypsum, alpha-semi water plaster stone and anhydrite In it is one or more, volume can be assembled arbitrarily within the scope of above-mentioned reinforcing agent.
Any one in aluminate cement, sulphate aluminium cement is selected under normal conditions, in order to reach early strong and compensation The purpose of contraction can select any one in β-semi-hydrated gypsum, alpha-semi water plaster stone and anhydrite to be used in compounding, can also be independent Use anhydrite.
Further, exciting agent is sodium metasilicate, potassium silicate, sodium hydroxide, potassium hydroxide, calcium hydroxide, miberal powder, silicon ash, flyash In one or more mixing, volume can assemble arbitrarily within the scope of above-mentioned exciting agent.The wherein alkali such as sodium metasilicate, potassium silicate, sodium hydroxide Property substance can be reacted with miberal powder, silicon ash, flyash, generate hydraulic cementing materials, significantly improve material compactness and durability.
Further, filler is made of fleut and granulated filler, and fleut and granulated filler ratio exist(0:1) ~(1:0), fleut is the powdered whiting, kaolin, one or more mixing in talcum powder of 200 mesh or more, and graininess is filled out Material is one or more kinds of in quartz sand, Machine-made Sand, washed-out sand and the river sand that fineness modulus is 1.6 ~ 3.7, and volume is filled out above-mentioned It can arbitrarily be assembled in material range.
Further, redispersable latex powder is ethene-vinyl acetate class, acrylic compounds, butadiene-styrene class can divide again One or more mixing in latex powder are dissipated, volume can be assembled arbitrarily within the above range.Redispersable latex powder is as macromolecule Polymer can effectively form a film in leveling mortar, reduce elasticity modulus, improve the flexibility and cohesive force of mortar, increase simultaneously Add the seal and water proofing property of mortar, and effectively improves application property.
Further, super plasticizer is one or more mixing in polycarboxylic acid salt, melamine class, naphthalene water reducer, is mixed Amount can be assembled arbitrarily within the above range.Super plasticiser can substantially reduce the water consumption of mortar as surfactant, drop Low water-cement ratio improves the compactness and intensity of mortar, improves the fluidity of mortar, improves the application property of mortar.
Further, water-retaining agent is one kind in water soluble ethoxyl methyl cellulose ether or hydroxypropyl methyl cellulose ether Or several mixtures, volume can be assembled arbitrarily within the above range.The viscosity of water-retaining admixture is 400 mPa.s.Water-retaining agent exists Water conservation, thickening, air-entraining effect are primarily served in mortar, can effectively prevent mortar segregation layering, and can keep moisture, glue is provided Water needed for gel material aquation, while application property can be significantly improved.
Further, segregation reducing agent be aluminium-magnesium silicate, starch ether, montmorillonite, attapulgite, bentonite, aerosil, In attapulgite clay, organic thixotrope of rilanit special, hydrophobically modified polyurethane rheological agent, hydrophobically modified polyethers rheological agent One or more mixtures, volume can be assembled arbitrarily within the above range.Segregation reducing agent mainly plays thickening, anti-isolation in mortar Effect, and the mobile performance of material is not influenced.
Further, retarder is sodium gluconate, white sugar, sodium citrate, citric acid, tartaric acid, sodium metaphosphate and borax One or more of retarder mixture, volume can be assembled arbitrarily within the above range.Retarder can be effective in mortar The open hour for extending mortar, provide good application property.
Further, the antifoaming agent is polysiloxane defoaming agent, polyethers antifoaming agent, tributyl phosphate, mineral oil disappear One or more of infusion and alkynes alcohol defoaming agent mixture, volume can be assembled arbitrarily within the above range.Antifoaming agent is in sand It can quickly be defoamed in slurry, continue foam control, improve mortar compactness and mechanical strength, and ensure the good flatness of mortar surface.
The present invention also provides a kind of application methods of early-strength cement base thick-layer leveling mortar, by the quality hundred of said components Divide and be packaged into bag than being uniformly mixed, is used according to ratio of water to material 13-18% addition water.Cement base thick-layer leveling mortar of the present invention with it is existing There is mortar to compare, water consumption is relatively low, is conducive to improve dimensional stability and durability;In addition water consumption wide cut degree significantly improves, Facilitate worker to construct, and isolation excreting water phenomenon will not be caused.
Cement base thick-layer leveling mortar of the present invention is by using lower cement consumption, the reinforcing agent of rational proportion, excitation Agent and additive, and extremely low water consumption is used, significantly improve dimensional stability, durability, mechanical strength and construction flowing Property, various aspects of performance is better than existing mortar;In addition water consumption wide cut degree significantly improves, and worker is facilitated to construct, and will not cause to isolate Powder phenomenon is played on bleeding, surface.Early-strength gypsum base thick-layer leveling mortar prepared by the present invention has early strong, ungauged regions, high flowing Property, excellent abrasive resistance and water resistance, low cost and without harmful chemical, can be widely applied to civil engineering tooling or house ornamentation dress The indoor levelling engineering such as pool.
Specific implementation mode
The invention will be further described below.
Embodiment 1
A kind of early-strength cement base thick-layer leveling mortar, the mass percent of component are as follows:
Cement 13%
Reinforcing agent 5%
Exciting agent 3%
Filler 78.15%
Additive 0.85%
Additive is made of redispersable latex powder, super plasticizer, water-retaining agent, retarder, segregation reducing agent and antifoaming agent, each component Mass percent in leveling mortar is:Redispersable latex powder 0.5%;Super plasticizer 0.1%;Water-retaining agent 0.1%;Retarder 0.05%;Segregation reducing agent 0.05%;Antifoaming agent 0.05%.
Further, the cement is appointing in portland cement, Portland cement and white portland cement Meaning is a kind of, and strength grade, which is respectively greater than, is equal to P.II42.5, P.O42.5 or P.W42.5.
Further, reinforcing agent is the mixture of sulphate aluminium cement, αsemiwatergypsum and anhydrite.
Further, exciting agent is the mixture of calcium hydroxide, potassium silicate.
Further, the filler is made of fleut and granulated filler, fleut and granulated filler ratio (0:1)~(1:0), fleut is the powdered whiting, kaolin, one or more, particle in talcum powder of 200 mesh or more Shape filler is one or more kinds of mixing in quartz sand, Machine-made Sand, washed-out sand and the river sand that fineness modulus is 1.6 ~ 3.7.
Further, redispersable latex powder is vinyl acetate-ethylene copolymer.
Further, super plasticizer be polycarboxylic acid salt, melamine class mixture.
Further, water-retaining agent is hydroxypropylcelluloether ether;The viscosity of water-retaining agent is 400mPas.
Further, retarder is the mixture of tartaric acid, citric acid, sodium gluconate.
Further, segregation reducing agent, which is aluminium-magnesium silicate, starch ether, montmorillonite, aerosil, rilanit special, has The mixture of machine thixotrope.
Further, antifoaming agent is the mixture of polysiloxane defoaming agent, polyethers antifoaming agent, mineral oil antifoam agent.
Embodiment 2
A kind of early-strength cement base thick-layer leveling mortar, the mass percent of component are as follows:
Cement 10%
Reinforcing agent 3%
Exciting agent 0%
86.86 % of filler
Additive 0.14%
Additive is made of redispersable latex powder, super plasticizer, water-retaining agent, retarder, segregation reducing agent and antifoaming agent, each component Mass percent in leveling mortar is:Redispersable latex powder 0%;Super plasticizer 0.03%;Water-retaining agent 0%;Retarder 0%; Segregation reducing agent 0.1%;Antifoaming agent 0.01%.
Further, the cement is appointing in portland cement, Portland cement and white portland cement Meaning is a kind of, and strength grade, which is respectively greater than, is equal to P.II42.5, P.O42.5 or P.W42.5.
Further, reinforcing agent is the mixture of sulphate aluminium cement, αsemiwatergypsum and anhydrite.
Further, the filler is made of fleut and granulated filler, fleut and granulated filler ratio (0:1)~(1:0), fleut is the powdered whiting, kaolin, one or more, particle in talcum powder of 200 mesh or more Shape filler is one or more kinds of in quartz sand, Machine-made Sand, washed-out sand and the river sand that fineness modulus is 1.6 ~ 3.7.
Further, exciting agent is calcium hydroxide.
Further, redispersable latex powder be acrylic compounds, butadiene-styrene class mixture.
Further, super plasticizer be polycarboxylic acid salt, melamine class mixture.
Further, water-retaining agent is hydroxypropylcelluloether ether;The viscosity of water-retaining agent is 400mPas.
Further, retarder is the mixture of white sugar, citric acid, borax.
Further, segregation reducing agent is organic thixotrope, hydrophobic of attapulgite, aerosil, rilanit special Mixture in modified polyether rheological agent.
Further, antifoaming agent is the mixture of polysiloxane defoaming agent, polyethers antifoaming agent, mineral oil antifoam agent.
Embodiment 3
A kind of early-strength cement base thick-layer leveling mortar, the mass percent of component are as follows:
Cement 17%
Reinforcing agent 5%
Exciting agent 3%
Filler 73.4%
Additive 1.6%
Additive is made of redispersable latex powder, super plasticizer, water-retaining agent, retarder, segregation reducing agent and antifoaming agent, each component Mass percent in leveling mortar is:Redispersable latex powder 1%;Super plasticizer 0.3%;Water-retaining agent 0.1%;Retarder 0.07%;Segregation reducing agent 0.03%;Antifoaming agent 0.1%.
Further, the cement is appointing in portland cement, Portland cement and white portland cement Meaning is a kind of, and strength grade, which is respectively greater than, is equal to P.II42.5, P.O42.5 or P.W42.5.
Further, reinforcing agent is the mixture of sulphate aluminium cement, anhydrite.
Further, the filler is made of fleut and granulated filler, fleut and granulated filler ratio (0:1)~(1:0), fleut is the powdered whiting, kaolin, one or more, particle in talcum powder of 200 mesh or more Shape filler is one or more kinds of in quartz sand, Machine-made Sand, washed-out sand and the river sand that fineness modulus is 1.6 ~ 3.7.
Further, exciting agent is the mixture of sodium metasilicate, potassium hydroxide, calcium hydroxide, miberal powder, silicon ash, flyash.
Further, redispersable latex powder is vinyl acetate-ethylene copolymer.
Further, super plasticizer is polycarboxylic acid salt.
Further, water-retaining agent is hydroxypropylcelluloether ether;The viscosity of water-retaining agent is 400mPas.
Further, retarder is the mixture of sodium gluconate, citric acid, borax.
Further, segregation reducing agent is bentonite, attapulgite clay, aerosil, hydrophobically modified polyurethane stream Become agent composition.
Further, antifoaming agent is the mixture of polysiloxane defoaming agent, polyethers antifoaming agent, mineral oil antifoam agent.
Embodiment 4
A kind of early-strength cement base thick-layer leveling mortar, the mass percent of component are as follows:
Cement 20%
Reinforcing agent 6%
Exciting agent 5%
Filler 65.1%
Additive 3.9%
Additive is made of redispersable latex powder, super plasticizer, water-retaining agent, retarder, segregation reducing agent and antifoaming agent, each component Mass percent in leveling mortar is:Redispersable latex powder 3%;Super plasticizer 0.5%;Water-retaining agent 0.1%;Retarder 0.1%;Segregation reducing agent 0%;Antifoaming agent 0.2%.
Further, the cement is appointing in portland cement, Portland cement and white portland cement Meaning is a kind of, and strength grade, which is respectively greater than, is equal to P.II42.5, P.O42.5 or P.W42.5.
Further, reinforcing agent is the mixture of sulphate aluminium cement, β semi-hydrated gypsums and anhydrite.
Further, exciting agent is the mixture of potassium silicate, sodium hydroxide, calcium hydroxide, miberal powder, silicon ash, flyash.
Further, the filler is made of fleut and granulated filler, fleut and granulated filler ratio (0:1)~(1:0), fleut is the powdered whiting, kaolin, one or more, particle in talcum powder of 200 mesh or more Shape filler is one or more kinds of in quartz sand, Machine-made Sand, washed-out sand and the river sand that fineness modulus is 1.6 ~ 3.7.
Further, redispersable latex powder is vinyl acetate-ethylene copolymer.
Further, super plasticizer be polycarboxylic acid salt, naphthalene water reducer mixture.
Further, water-retaining agent is hydroxypropylcelluloether ether;The viscosity of water-retaining agent is 400mPas.
Further, retarder is the mixture of tartaric acid, sodium citrate, borax.
Further, segregation reducing agent is aluminium-magnesium silicate, starch ether, attapulgite, attapulgite clay, the poly- ammonia of hydrophobically modified Mixture in ester rheological agent.
Further, antifoaming agent is the mixture of polysiloxane defoaming agent, polyethers antifoaming agent, mineral oil antifoam agent.
Above example 1-4 production methods are according to following technique productions leveling mortar:(1)According to each raw material in embodiment Mass percent put into double-screw type dry powder and mortar batch mixer and stir, temperature is 20~30 DEG C, stirs 15min, packaging The product is obtained, application method is to be used according to ratio of water to material 13-18% addition water.
The leveling mortar that above-mentioned production is obtained refers to JC/T 986-2005 cement-based grouting materials and JC/T 985- The relevant regulations of 2017 ground cement-based self-leveling mortars examine properties of product, and are compared with conventional cement base leveling mortar, As shown in the table:
Project Initial flow degree/mm Secondary flow degree/mm Compression strength/MPa for 24 hours 28d compression strength/MPa 28d dimensional contraction rate/‰ Wearing valve/g
Embodiment 1 300 280 6.2 17.3 0.4 0.4
Embodiment 2 290 265 4.4 13.4 0.3 0.34
Embodiment 3 330 310 7.6 24.7 0.5 0.2
Embodiment 4 340 300 9.1 26.2 0.5 0.16
Comparative example 260 180 3.7 18.7 2.7 1.8
In conclusion according to above-described embodiment and detection data table(Comparative example is traditional cement base leveling mortar)It can obtain Go out, not only meets the liquidity scale in JC/T 986-2005 and the wearability in JC/T 985-2017 standards, mechanical property Energy and dimensional contraction rate index, and compared with traditional cement base leveling mortar, which has more Good mobility, dimensional stability, wearability and case hardness.
The cement base thick-layer leveling mortar that the present invention is announced uses extremely low cementitious material(Cement, reinforcing agent and mine Powder, flyash, silicon ash)Dosage, and ratio is suitable, has good dimensional stability, mechanical property and durability, effectively avoids Hollowing, cracking phenomena, and there is excellent mobility, significantly improve construction efficiency.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of early-strength cement base thick-layer leveling mortar, it is characterised in that:The mass percent of its component is as follows:
Cement 10-20%
Reinforcing agent 3-6%
Exciting agent 0-5%
Filler 65.1-86.86%
Additive 0.14-3.9%
The additive is redispersable latex powder, super plasticizer, water-retaining agent, retarder, segregation reducing agent and antifoaming agent, is mixed Amount is respectively:Redispersable latex powder 0-3%;Super plasticizer 0.03-0.5%;Water-retaining agent 0-0.2%;Retarder 0-0.1%;Resist from Analyse agent 0-0.1%;Antifoaming agent 0.01-0.2%.
2. early-strength cement base thick-layer leveling mortar according to claim 1, it is characterised in that:The cement is silicic acid Any one in salt cement, Portland cement and white portland cement, strength grade are respectively greater than and are equal to P.II42.5, P.O42.5 or P.W42.5.
3. early-strength cement base thick-layer leveling mortar according to claim 1, it is characterised in that:The reinforcing agent is aluminium One or more mixing in acid salt cement, sulphate aluminium cement, β-semi-hydrated gypsum, alpha-semi water plaster stone and anhydrite.
4. early-strength gypsum base thick-layer leveling mortar according to claim 1, it is characterised in that:The exciting agent is silicon One or more mixing in sour sodium, potassium silicate, sodium hydroxide, potassium hydroxide, calcium hydroxide, miberal powder, silicon ash, flyash.
5. early-strength cement base thick-layer leveling mortar according to claim 1, it is characterised in that:The filler is filled out by powdery Material and granulated filler composition, fleut and granulated filler ratio exist(0:1)~(1:0), fleut is 200 mesh or more Powdered whiting, kaolin, one or more in talcum powder, quartz sand that the fineness modulus of granulated filler is 1.6 ~ 3.7, One or more kinds of mixing in Machine-made Sand, washed-out sand and river sand.
6. early-strength gypsum base thick-layer leveling mortar according to claim 1, it is characterised in that:The redispersible breast Rubber powder is one or more mixing in ethene-vinyl acetate class, acrylic compounds, butadiene-styrene class redispersable latex powder; The super plasticizer is one or more mixing in polycarboxylic acid salt, melamine class, naphthalene system diminishing.
7. early-strength gypsum base thick-layer leveling mortar according to claim 1, it is characterised in that:The water-retaining agent is water One or more of dissolubility ethoxyl methyl cellulose ether or hydroxypropyl methyl cellulose ether mixture;The anti-isolation Agent is aluminium-magnesium silicate, starch ether, montmorillonite, attapulgite, bentonite, aerosil, attapulgite clay, hydrogenated castor Organic thixotrope, hydrophobically modified polyurethane rheological agent, the one or more mixtures in hydrophobically modified polyethers rheological agent of oil.
8. early-strength gypsum base thick-layer leveling mortar according to claim 1, it is characterised in that:The retarder is Portugal One or more of grape sodium saccharate, white sugar, sodium citrate, citric acid, tartaric acid, sodium metaphosphate and borax retarder mix Object.
9. early-strength gypsum base thick-layer leveling mortar according to claim 1, it is characterised in that:The antifoaming agent is poly- One or more of silicone antifoam agent, polyethers antifoaming agent, tributyl phosphate, mineral oil antifoam agent and alkynes alcohol defoaming agent Mixture.
10. a kind of application method of early-strength cement base thick-layer leveling mortar as described in any one of claim 1 to 9, special Sign is:It is uniformly mixed by the mass percent of said components and is packaged into bag, used according to ratio of water to material 13-18% addition water.
CN201810323477.1A 2018-04-12 2018-04-12 A kind of early-strength cement base thick-layer leveling mortar and application method Pending CN108341639A (en)

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CN109354467A (en) * 2018-12-17 2019-02-19 武汉理工大学 The dry-mixed decoration mortar of Machine-made Sand high-impermeable
CN109455996A (en) * 2018-11-05 2019-03-12 富思特新材料科技发展股份有限公司 A kind of danger external wall insulation grouting and reinforcing mortar
CN109678416A (en) * 2018-11-24 2019-04-26 北京金中洲建筑材料有限公司 A kind of environment protection type multifunctional block smears bedding mortar and preparation method thereof
CN110436848A (en) * 2019-08-12 2019-11-12 河南城建学院 A kind of cement composition, foamed cement slurry, foam concrete pour material and preparation method thereof
CN110451911A (en) * 2019-09-12 2019-11-15 德清扬泰建筑材料有限公司 A kind of flooring keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar
CN111484341A (en) * 2020-03-13 2020-08-04 苏州盛曼特新材料有限公司 Retarding composite water reducing agent for silica-free refractory self-flowing castable and preparation method thereof
CN111499290A (en) * 2019-12-02 2020-08-07 哈尔滨工程大学 Periphyton-inducing mortar for surface of underwater ocean engineering and preparation method thereof
CN112250407A (en) * 2020-10-21 2021-01-22 杭州明敏涂料有限公司 Preparation method of reflective heat-insulation decorative mortar
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CN106673580A (en) * 2016-12-30 2017-05-17 北京宝辰联合科技股份有限公司 Cement-based self-leveling mortar

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CN109455996A (en) * 2018-11-05 2019-03-12 富思特新材料科技发展股份有限公司 A kind of danger external wall insulation grouting and reinforcing mortar
CN109293292A (en) * 2018-11-21 2019-02-01 杭州金鼎实业有限公司 Concrete and its preparation process
CN109293292B (en) * 2018-11-21 2021-09-17 杭州金鼎实业有限公司 Concrete and preparation process thereof
CN109678416A (en) * 2018-11-24 2019-04-26 北京金中洲建筑材料有限公司 A kind of environment protection type multifunctional block smears bedding mortar and preparation method thereof
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CN110436848A (en) * 2019-08-12 2019-11-12 河南城建学院 A kind of cement composition, foamed cement slurry, foam concrete pour material and preparation method thereof
CN110451911A (en) * 2019-09-12 2019-11-15 德清扬泰建筑材料有限公司 A kind of flooring keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar
CN111499290A (en) * 2019-12-02 2020-08-07 哈尔滨工程大学 Periphyton-inducing mortar for surface of underwater ocean engineering and preparation method thereof
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