CN107311580A - A kind of common self-leveling material of bottom - Google Patents
A kind of common self-leveling material of bottom Download PDFInfo
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- CN107311580A CN107311580A CN201710735980.3A CN201710735980A CN107311580A CN 107311580 A CN107311580 A CN 107311580A CN 201710735980 A CN201710735980 A CN 201710735980A CN 107311580 A CN107311580 A CN 107311580A
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions 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
- C04B28/06—Aluminous cements
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00103—Self-compacting mixtures
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00543—Coating or impregnation materials for wet surfaces
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses the composition of raw materials component of a kind of common self-leveling material of bottom, including following parts by weight：215 225 parts of portland cements, 68 72 parts of alumina cements, 426 430 parts of graded sands, 193 198 parts of dicalcium powders, 47 52 parts of anhydrous plaster powders, 9 11 parts of hydrated lime in powders, 12 parts of defoamers, 57 parts of high efficiency water reducing agents, 23 26 parts of re-dispersible glue powders, 1.3 2.0 parts of tartaric acid powder, 0.8 1.2 parts of lithium carbonate powder, 0.8 1.2 parts of celluloses.The common self-leveling material of bottom of the present invention, flow losses are small, can long-time operation, be conducive to construction, shrinkage factor is low, and volume stability is good, compression strength is high, can normally be used under wet base and outdoor environment, bubble-free, do not peel off, without discoloration, will not shrinkage cracking, be difficult condense blocking, environmentally friendly, cost it is low, expand the application of Self-leveling.
Description
Technical field
The present invention relates to concrete base building field of material technology, and in particular to a kind of common self-leveling material of bottom.
Background technology
As the improvement of people's living standards, the requirement more and more higher to construction material, while also just to floor material
It is required that improving, various new terrace ornament materials are all come out one after another, such as PVC floors, rubber floor covering, aqueous polyurethane
Terrace etc..Such ornament materials is required for based on a very smooth ground, and the basic unit in blank room is general
It is concrete base layer, concrete is that have cement, sand, stone and water to mix, because it contains bulky grain, and its surface is very
Out-of-flatness, low intensity easily plays ash, unsightly, feel is also extremely uncomfortable.Cement-based self-leveling mortar be by binder materials,
Fine aggregate, filler and additive etc. are constituted, a kind of self-leveling material after adding water with high fluidity.It has good flowing
Property and Self-leveling function, and can rapid solidification, can just construct in the short time on floor material, with substrate bonding firmly, and
With superperformances such as compression strength height.In recent years, not only have on self-leveling terrace ground and be widely applied, be used as finish
Also larger development has been obtained on facestock material.However, the formula of existing cement-based self-leveling is general by general ash concrete, extraordinary water
Mud, sand, gypsum, some fine auxiliary agents are constituted, and wherein gypsum is indispensable, and this is due to Self-leveling drying process
It is middle can drying shrinkage, it is necessary to gypsum prevents dry shrinkage and cracking, prevent drying shrinkage efflorescence, prevent drying shrinkage from flaking.Existing cement-based self-leveling material
Material formula is technically also used without can realize in outdoor or moist basic unit so that application field just receives very big
Limitation.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided a kind of common self-leveling material of bottom.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of common self-leveling material of bottom, includes the composition of raw materials component of following parts by weight：
215-225 parts of portland cements, 68-72 parts of alumina cements, 426-430 parts of graded sands, 193-198 parts of dicalcium powders, 47-52
Part anhydrous plaster powder, 9-11 parts of hydrated lime in powders, 1-2 parts of defoamers, 5-7 parts of high efficiency water reducing agents, 23-26 parts of re-dispersible glue powders,
1.3-2.0 parts of tartaric acid powder, 0.8-1.2 parts of lithium carbonate powder, 0.8-1.2 parts of celluloses.
As the improvement of above-mentioned technical proposal, the graded sand particle diameter range is 0.1-0.4mm.
As the improvement of above-mentioned technical proposal, the mesh number of the dicalcium powder is 325 mesh.
As the improvement of above-mentioned technical proposal, the defoamer is modified silicon oil defoamer.
As the improvement of above-mentioned technical proposal, the high efficiency water reducing agent is naphthalene sulfonate water reducer.
As the improvement of above-mentioned technical proposal, the mesh of the mesh number of the tartaric acid powder >=100, the mesh number of the lithium carbonate powder >=
300, the viscosity of the cellulose is 300-400 cP.
As the improvement of above-mentioned technical proposal, the preparation method of the self-leveling material is as follows：Raw material by weight
Recipe ingredient sequentially adds portland cement, alumina cement, anhydrous plaster powder, graded sand, hydrated lime in powder, dicalcium powder, tartaric acid
Powder, re-dispersible glue powder, lithium carbonate powder, high efficiency water reducing agent, defoamer, are first well mixed, and then raw material by weight is matched somebody with somebody
Fang Zufen is slowly added to cellulose, adds while stirring, and bag is packaged into after being well mixed.
Compared with prior art, beneficial effects of the present invention are as follows by the present invention：
The common self-leveling material of bottom of the present invention, flow losses are small, can long-time operation, be conducive to construction, surface put down
Whole degree is high, wearability is good, and shrinkage factor is low, and volume stability is good, and compression strength is high, and not easy to crack, in wet base and room
Can normally be used under external environment, its performance not influenceed, also peeled off with bubble-free, or not without discoloration, will not shrinkage cracking, no
Blocking, environmentally friendly advantage is easily condensed, cost is low, expand the application of Self-leveling.
Embodiment
Illustrate present disclosure below in conjunction with specific embodiments.
A kind of common self-leveling material of bottom, includes the composition of raw materials component of following parts by weight：215-225 parts of silicic acid
Salt cement, 68-72 part alumina cement, 426-430 parts of graded sands, 193-198 parts of dicalcium powders, 47-52 parts of anhydrous plaster powders, 9-11
Part hydrated lime in powder, 1-2 parts of defoamers, 5-7 parts of high efficiency water reducing agents, 23-26 parts of re-dispersible glue powders, 1.3-2.0 parts of tartaric acid powder,
0.8-1.2 parts of lithium carbonate powder, 0.8-1.2 parts of celluloses.
The portland cement is the portland-type cement clinker using calcium silicates as essential mineral, and intensity plays fast, aquation
Heat is high, wear-resisting, anticorrosive, and the most building occupancy of adaptation, portland cement condenses hardening slowly, is difficult to add excessively, described
Alumina cement is using bauxite and lime as raw material, through calcining, levigate obtained one kind using aluminate as main mineral constituent
Hydraulic cementing materials, also known as aluminate cement, with very high hydraulically active, hardening be rapid, sulphate-corrosion resistance energy
By force, the characteristic such as high temperature resistant, alumina cement is using calcium aluminate and aluminum oxide as main chemical compositions, and alumina cement consumption is bigger, water ash
Low-density hydrated product is set to be transformed into the nonhydratable product of high density, solid phase molal volume than more greatly, occurring a series of hydration reactions
Reduce, the increase of architecture gap, density reduction finally reduces intensity, in addition, portland cement is based on silica, also
Containing materials such as calcium oxide, aluminum oxide, and alumina cement, based on calcium aluminate and aluminum oxide, both can be white lime with calcium hydroxide
Or the calcium hydroxide separated out during hydrated cementitious or the reaction of other exciting agents (such as gypsum), aquation production of the generation with gelling property
Thing, therefore very few, influence gum material generation, 215-225 parts of composition of raw materials component addition by weight can not be added
Portland cement, 68-72 part alumina cement and 47-52 parts of anhydrous plaster powders, the anhydrous plaster powder is main chemical compositions
For the hydrate of calcium sulfate, solubility is larger, is a kind of widely used industrial materials and construction material, available for cement retardative
Agent, with microcellular structure, therefore has in excellent sound insulation, heat-insulated and fire protecting performance, optimal case, the application with silicate cement
Mud, alumina cement and anhydrous plaster powder are binder materials by the mixture of the raw material proportioning of above-mentioned parts by weight, can be become from slurry
Into firm Shi Zhuanti, and can cementing unclassified stores, be formed with the material of the complex solid of certain mechanical strength, i.e. bottom with general
Logical cement self-leveling.
Graded sand plays skeleton and filling effect as aggregate, and graded sand has good water penetration, good pressure resistance
Degree, its good water penetration is more easy to closely knit when meeting water as backfill earth material, is not influenceed during construction by underground water, rainwater, can
Be effectively saved the duration, real roll hit during backfill and is easier to the requirement for meeting compactness, also with antifreeze effect, and graded sand with
Slurries easily form parcel, it is ensured that the density of concrete, it is ensured that the intensity of concrete, graded sand consumption is more, can be effective
Production cost is reduced, composition of raw materials component by weight adds 426-430 parts of graded sands, and consumption is excessive or very few, can
The mobility of cement self-leveling is influenceed, does not reach construction requirement, in order to more preferably meet compactness, and in order to prevent frost heave and wet
Soft, the graded sand particle diameter range is 0.1-0.4mm, according to the size and consumption of graded sand particle diameter, to graded sand
Middle 9-11 parts of hydrated lime in powders of addition, it is therefore intended that the strength and stability of increase gravity flow flat bed.
The main component of the dicalcium powder is calcium carbonate, and whiteness is high, purity is good, form and aspect are soft and chemical composition stability etc.
Feature, plays an important role in building trade, especially Self-leveling, has very high requirement for whiteness and calcium carbonate content, i.e.,
Whiteness requirement >=95%, calcium carbonate content >=98%, therefore composition of raw materials component by weight, which need to add 193-198 part, to be weighed
Calcium powder, and the mesh number of dicalcium powder is 325 mesh, can not only reduce production cost, can also increase the toughness and intensity of product.
Composition of raw materials component by weight adds 1-2 parts of defoamers, adds defoamer, can reduce hole, enter one
The density of step increase Self-leveling, final to improve Self-leveling intensity, the defoamer is modified silicon oil defoamer, surface-active
By force, defoaming effectiveness is high, can accelerate the speed of deaeration, moreover it is possible to reduce viscosity, improves application property, and the film surface after solidification is smooth without gas
Bubble, defoamer addition is excessive, extends reaction time, extends the production time, so as to increase cost, addition is very few, froth breaking
Foam effect is little, influences product quality；In order to reduce concrete shrinkage, enhancing freezing-thawing resistance and resisting carbonization, Yi Jifang
Contain in the only generation of alkali-aggregate reaction, composition of raw materials component 5-7 parts of high efficiency water reducing agents of addition by weight, high efficiency water reducing agent
There is alkali, during alkali content≤0.2%, can effectively prevent the generation of alkali-aggregate reaction, water reducer is a kind of to maintain Control Measures for Concrete Slump
Under conditions of degree is constant, the concrete admixture of mixing water amount can be reduced, the flowing of cement self-leveling mixture can be improved
Property, unit cement consumption is reduced, cement is saved, cost is reduced, the high efficiency water reducing agent is naphthalene sulfonate water reducer, is soluble in
Water, good to many powder body material peptizaitons such as cement, water-reducing rate is up to 25%, and product stability is good, long term storage without point
Layer, deposited phenomenon occur, and nodeless mesh is separated out during low temperature, and environmental protection is good in economic efficiency, and engineering comprehensive cost is less than using other
Type products, with that can save many cement under strength condition, reduce cost；The re-dispersible glue powder is by a kind of vinyl acetate
Ester and the copolymer of the binary such as tertiary ethylene carbonate or ethene or acrylate or ternary, the modified milk obtained by spray drying
Liquid powder, it has good redispersible, is dispersed into emulsion, and its chemical property and initial breast when being contacted with water again
Liquid is identical, re-dispersible glue powder have high compression shear, shearing strength, life-span durability, the characteristics of do not fall off, after film not
It can be fallen by water destruct, so as to add the cohesive force of Self-leveling, improve weatherability, the freeze-thaw resistance of Self-leveling, and prevent certainly
Levelling is ftractureed, and aggregate is added in cement and starts expansion, and is the process of heat release, is raised with the continuation of temperature, cement shrinkage
Expand and aggravate with aggregate, both, which combine, is destroyed, and cement skeleton is broken into bulk, so as to cause under Self-leveling cracking and intensity
Drop, therefore composition of raw materials component by weight needs to add 23-26 part re-dispersible glue powders, it is possible to increase modification compound
Cohesive, rupture strength, plasticity, wearability and application property, and mobility, thixotropy and water-retaining property to material etc.
There is no any adverse effect so that the outer doping of Self-leveling has a good compatibility, the re-dispersible glue powder for watt gram
5011L or watt gram 5010N rubber powder rubber powders, watt gram 5011L is the redispersible vinyl acetate of chance water with good resisting saponification
Ester/ethene binary copolymerization rubber powder, watt gram 5010N is a kind of redispersible vinyl acetate/ethylene copolymer rubber powder of anti-saponification, especially
Suitable for being used in mixed way or separately as bonding component, can also make with other inorganic bonds such as cement, lime and gypsum
For alignment material；Composition of raw materials component by weight add 1.3-2.0 parts of tartaric acid powder, 0.8-1.2 parts of lithium carbonate powder,
0.8-1.2 parts of celluloses, tartaric acid powder is used as retarder, it is ensured that the fluidity of the preceding 20min after putting down is made into, is applied with meeting
Work requirement, in order to improve its anti-caking performance, the fineness of the tartaric acid powder was 100 mesh sieves, that is to say, that the wine
The mesh of mesh number >=100 of stone acid powder, the lithium carbonate powder can substantially speed up Self-leveling hydration rate, have again as early strength agent
Water reducing and strength increasing function, also with blood coagulation enhancing effect, contains lithium, lithium intoxicating phenomenon can occur when more in lithium carbonate powder, therefore uses with caution,
In order to further improve its blood coagulation enhancing effect, the fineness of the lithium carbonate powder was 100 mesh sieves, i.e., the mesh number of described lithium carbonate powder >=
300, the cellulose is as water-loss reducer, with good toughness, dispersiveness and chemical stability, and water absorbing capacity is strong, has very
Outstanding thickening cracking resistance, addition can not be excessive, can there is lamination, influence gravity flow flat products matter with high efficiency water reducing agent
Amount, in order to improve its water retention and film forming, but does not influence its mobility, the viscosity of the cellulose is 300-400cP, i.e.,
Centipoise, is Centipoise abbreviation, and viscosity unit refers to centipoise(unit of dynamic viscosity or centipoise, i.e. li pascal second, represents liquid
Itself flow resistance, the international unit of viscosity is pascal second Pas and millipascal mPas, and conventional unit for pool P and li
Moor cP, 1cP=1mPas, viscosity can not be too high, otherwise thicken it is too strong, so as to influence mobility.
The preparation method of the self-leveling material of the application is that composition of raw materials component by weight sequentially adds silicate
Cement, alumina cement, anhydrous plaster powder, graded sand, hydrated lime in powder, dicalcium powder, tartaric acid powder, re-dispersible glue powder, lithium carbonate
Powder, high efficiency water reducing agent, defoamer, are first well mixed, and then composition of raw materials component by weight is slowly added to cellulose, side
Stirring side is slightly added, and is fully mixed, it is to avoid add water layering, and bag is packaged into after being well mixed, and construction is transported to through inspection is qualified
Building site is used.Added when using and account for bottom described herein with common self-leveling material quality 14-15%（Mass percent）
Running water, after stirring i.e. can be used.
【Embodiment one】A kind of common self-leveling material of bottom, includes the composition of raw materials component of following parts by weight：215
Part portland cement, 68 parts of alumina cements, 426 parts of graded sands, 193 parts of dicalcium powders, 47 parts of anhydrous plaster powders, 9 parts of hydrated lime in powders,
1 part of defoamer, 5 parts of high efficiency water reducing agents, 23 parts of re-dispersible glue powders, 1.3 parts of tartaric acid powder, 0.8 part of lithium carbonate powder, 0.8 part of fibre
Dimension element.
The above-mentioned each raw material weighed is well mixed, bag is then packaged into, construction site can be transported to through inspection is qualified, make
Used time adds 14%（Mass percent）Running water, after stirring i.e. can be used.
【Embodiment two】A kind of common self-leveling material of bottom, includes the composition of raw materials component of following parts by weight：220
Part portland cement, 70 parts of alumina cements, 428.2 parts of graded sands, 195 parts of dicalcium powders, 50 parts of anhydrous plaster powders, 10 parts of white limes
Powder, 1.5 parts of defoamers, 6 parts of high efficiency water reducing agents, 25 parts of re-dispersible glue powders, 1.7 parts of tartaric acid powder, 1 part of lithium carbonate powder, 1 part of fibre
Dimension element.
The above-mentioned each raw material weighed is well mixed, bag is then packaged into, construction site can be transported to through inspection is qualified, make
Used time adds 14.5%（Mass percent）Running water, after stirring i.e. can be used.
【Embodiment three】A kind of common self-leveling material of bottom, includes the composition of raw materials component of following parts by weight：225
Part portland cement, 72 parts of alumina cements, 430 parts of graded sands, 198 parts of dicalcium powders, 52 parts of anhydrous plaster powders, 11 parts of white limes
Powder, 2 parts of defoamers, 7 parts of high efficiency water reducing agents, 26 parts of re-dispersible glue powders, 2.0 parts of tartaric acid powder, 1.2 parts of lithium carbonate powder, 1.2 parts
Cellulose.
The above-mentioned each raw material weighed is well mixed, bag is then packaged into, construction site can be transported to through inspection is qualified, make
Used time adds 15%（Mass percent）Running water, after stirring i.e. can be used.
To every technical performance test result such as following table of above-described embodiment one, two, three：
Thus experimental result can be drawn：The common self-leveling material of bottom of the present invention, flow losses are small, can grasp for a long time
Make, be conducive to construction, surface smoothness is high, wearability is good, and shrinkage factor is low, and volume stability is good, and compression strength is high, and is difficult
Cracking, can normally use under wet base and outdoor environment, its performance is not influenceed, also peeled off with bubble-free, or not without change
Color, will not shrinkage cracking, be difficult to condense blocking, environmentally friendly advantage, cost is low, expands the application of Self-leveling.
Above content is made for the present invention in conjunction with specific embodiments describes in detail, it is impossible to assert that the present invention is specific real
Apply and be only limitted to these explanations.For those skilled in the art, before present inventive concept is not departed from
Put, some simple deduction or replace can also be made, the scope of protection of the invention should be all considered as belonging to.
Claims (7)
1. a kind of common self-leveling material of bottom, it is characterised in that the composition of raw materials component including following parts by weight：
215-225 parts of portland cements, 68-72 parts of alumina cements, 426-430 parts of graded sands, 193-198 parts of dicalcium powders, 47-52
Part anhydrous plaster powder, 9-11 parts of hydrated lime in powders, 1-2 parts of defoamers, 5-7 parts of high efficiency water reducing agents, 23-26 parts of re-dispersible glue powders,
1.3-2.0 parts of tartaric acid powder, 0.8-1.2 parts of lithium carbonate powder, 0.8-1.2 parts of celluloses.
2. a kind of common self-leveling material of bottom as claimed in claim 1, it is characterised in that the graded sand particle diameter
Scope is 0.1-0.4mm.
3. the common self-leveling material of a kind of bottom as claimed in claim 1, it is characterised in that the mesh number of the dicalcium powder is
325 mesh.
4. the common self-leveling material of a kind of bottom as claimed in claim 1, it is characterised in that the defoamer is modified silicon
Oily defoamer.
5. the common self-leveling material of a kind of bottom as claimed in claim 1, it is characterised in that the high efficiency water reducing agent is naphthalene
Sulfonate water reducer.
6. a kind of common self-leveling material of bottom as claimed in claim 1, it is characterised in that the mesh number of the tartaric acid powder
>=100 mesh, mesh number >=300 of the lithium carbonate powder, the viscosity of the cellulose is 300-400 cP.
7. a kind of common self-leveling material of bottom as any one of claim 1-6, it is characterised in that the gravity flow
The preparation method of flat material is as follows：
Composition of raw materials component by weight sequentially adds portland cement, alumina cement, anhydrous plaster powder, graded sand, ripe
Pulverized limestone, dicalcium powder, tartaric acid powder, re-dispersible glue powder, lithium carbonate powder, high efficiency water reducing agent, defoamer, are first well mixed, and
Composition of raw materials component by weight is slowly added to cellulose afterwards, adds while stirring, and bag is packaged into after being well mixed.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110590313A (en) * | 2019-10-28 | 2019-12-20 | 宋俊伟 | Light self-leveling mortar and preparation method thereof |
| CN111620661A (en) * | 2020-06-19 | 2020-09-04 | 广东思创建筑材料科技有限公司 | Self-leveling mortar with waterproof and sound insulation functions and construction method |
| CN113502976A (en) * | 2021-07-01 | 2021-10-15 | 山东汉诺宝嘉新材料科技有限公司 | Novel heat-preservation and heat-insulation integrated gypsum wallboard and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671726A (en) * | 2013-11-28 | 2015-06-03 | 立邦涂料（中国）有限公司 | High-strength cement-based self-leveling mortar |
| CN104788072A (en) * | 2015-03-18 | 2015-07-22 | 南京工业大学 | Early-strength type aluminate cement based self-leveling material |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671726A (en) * | 2013-11-28 | 2015-06-03 | 立邦涂料（中国）有限公司 | High-strength cement-based self-leveling mortar |
| CN104788072A (en) * | 2015-03-18 | 2015-07-22 | 南京工业大学 | Early-strength type aluminate cement based self-leveling material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110590313A (en) * | 2019-10-28 | 2019-12-20 | 宋俊伟 | Light self-leveling mortar and preparation method thereof |
| CN111620661A (en) * | 2020-06-19 | 2020-09-04 | 广东思创建筑材料科技有限公司 | Self-leveling mortar with waterproof and sound insulation functions and construction method |
| CN111620661B (en) * | 2020-06-19 | 2021-06-01 | 广东思创建筑材料科技有限公司 | Self-leveling mortar with waterproof and sound insulation functions and construction method |
| CN113502976A (en) * | 2021-07-01 | 2021-10-15 | 山东汉诺宝嘉新材料科技有限公司 | Novel heat-preservation and heat-insulation integrated gypsum wallboard and manufacturing method thereof |
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