CN106242433A - A kind of water conservation anticracking grout for air-entrained concrete building block surface - Google Patents
A kind of water conservation anticracking grout for air-entrained concrete building block surface Download PDFInfo
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- CN106242433A CN106242433A CN201610729793.XA CN201610729793A CN106242433A CN 106242433 A CN106242433 A CN 106242433A CN 201610729793 A CN201610729793 A CN 201610729793A CN 106242433 A CN106242433 A CN 106242433A
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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
- C04B28/04—Portland 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
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- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a kind of water conservation anticracking grout for air-entrained concrete building block surface, including cement, granular polystyrene, Gypsum Fibrosum, ground calcium carbonate, calcium hydroxide, cellulose ether, wood fibre, latex powder, polypropylene fibre.When this kind spreads upon the surface of concrete segment for the water conservation anticracking grout on air-entrained concrete building block surface, cracking that concrete segment causes mortar dehydration to occur soon because of water absorption rate height and the situation that intensity reduces can be prevented.It follows that this is used for water conservation anticracking grout each component collocation on air-entrained concrete building block surface rationally, complementing each other, water conservation effect of anti-cracking is good, and the compatibility with concrete segment is good.Meanwhile, preparation process is simple, and Financial cost is relatively low, has market prospect widely.
Description
Technical field
The invention belongs to the technical field of inorganic material, particularly relate to a kind of water conservation for air-entrained concrete building block surface
Anticracking grout.
Background technology
The production principle of air-entrained concrete building block is to utilize siliceous material, and calcareous material is additionally incorporated and regulates material in right amount
With a small amount of these raw materials of material of getting angry through processing, dispensing stirs, and is poured into mould and carries out getting angry initial set；Then it is cut
Cut and put into still kettle maintenance until going out still stacking entrucking.Air-entrained concrete building block is a kind of light porous, insulation, fire prevention
Functional, can follow closely, can saw, can dig and have the New Building Materials of certain shock resistance.As far back as the '30s initial stage, China
Begin to produce this product, and it is big to be widely used in International Hotel, Shanghai, mansion, Shanghai, building, Foochow, People's Bank of China
In the high-low storey buildings such as building.It is a kind of excellent New Building Materials.And there is the advantages such as environmental protection.
Building energy conservation is one fundamental state policy of China.Heat preserving and insulating material kind used by its construction wall insulation is numerous
Many, air-entrained concrete building block is one of which, belongs to Self-thermal-insulation System.Aerating air-entrained concrete building block has good thermal insulation separation thermal effect
Really, there is low cost, construction barrel list, feature that efficiency is high.But there is also the defect that water absorption rate is high, cause wash cement mortar to smear
Grieshoch dehydration is too fast, intensity difference, efflorescence, cracking etc..There is the quality free time time in metope.
Summary of the invention
In view of this, the invention provides a kind of water conservation anticracking grout for air-entrained concrete building block surface, including water
Mud, granular polystyrene, Gypsum Fibrosum, ground calcium carbonate, calcium hydroxide, cellulose ether, wood fibre, latex powder, polypropylene fibre.
In some embodiments, described cement is 42.5 Portland cements.
In some embodiments, described ground calcium carbonate particle diameter is 200～300 mesh.
In some embodiments, described granular polystyrene bulk density is 10～14 kilograms per cubic meter.
In some embodiments, a length of the 3～6mm of described polypropylene fibre.
In some embodiments, described cellulose ether is methylhydroxypropylcellulose.
In some embodiments, described latex powder is redispersible acrylic latex powder.
In some embodiments, the mass percent of each raw material components is:
Cement: 20～35%
Granular polystyrene: 10～20%
Gypsum Fibrosum: 50～65%
Ground calcium carbonate: 5～15%
Calcium hydroxide: 1～5%
Cellulose ether: 1～5%
Wood fibre: 1～5%
Latex powder: 1～5%
Polypropylene fibre: 0.1～0.5%.
In some embodiments, the mass percent of each raw material components is:
Cement: 20～30%
Granular polystyrene: 10～15%
Gypsum Fibrosum: 50～60%
Ground calcium carbonate: 5～12%
Calcium hydroxide: 2～5%
Cellulose ether: 1～3%
Wood fibre: 1～3%
Latex powder: 1～4%
Polypropylene fibre: 0.1～0.3%.
In some embodiments, in described calcium hydroxide, CaO content is 50～90%.
A kind of water conservation anticracking grout for air-entrained concrete building block surface that the present invention provides is relative to prior art
Advantage is:
A kind of water conservation anticracking grout for air-entrained concrete building block surface that the present invention provides belongs to inorganic material category.
Cellulose is the most not melted a kind of both insoluble polyhydroxy macromolecular compound, etherified after cellulose dissolution performance occur
Notable change, is dissolvable in water water, diluted acid, diluted alkaline or organic solvent.Wood fibre is that natural reproducible timber is at chemistry
Reason, Mechanical Method process the organic wadding fibrous material obtained, and stablize preventing coating cracking, raising water-retaining property, raising production
Property and the conformance of construction, increase intensity, strengthen the adhesive force etc. on surface is had good effect.Polypropylene fibre density is
0.90～0.92g/cm, there is light weight, intensity height, good springiness, wear-resisting, corrosion-resistant, electrical insulating property and warmth retention property.Latex powder, especially
It is redispersable latex powder be water solublity redispersible powder, this powder body after contact with water can quickly redispersion become breast
Liquid, owing to redispersable latex powder has high cementitiousness and unique performance, such as: water-resistance, application property and thermal insulation etc..Tool
There is extremely prominent adhesion strength, improve the flexibility of mortar and have the longer open hour, give the alkali resistance that mortar is excellent, improve
Outside the adhesive binder of mortar, rupture strength, water proofing property, plasticity, anti-wear performance and application property, in Flexible anti-crack mortar
Have more stronger pliability.Granular polystyrene full name is expanded polystyrene foams granule, also known as expansion polyphenyl granule.This material
Made by raw material based on Expandable polystyrene resin bead is expanded foamed.There is good heat insulation effect.Polyphenyl
Grain is applicable to building energy conservation.
This kind, can when the water conservation anticracking grout on air-entrained concrete building block surface spreads upon air-entrained concrete building block surface
Prevent cracking that concrete segment causes mortar dehydration to occur soon because of water absorption rate height and the situation that intensity reduces.
In sum, this is used for water conservation anticracking grout each component collocation on air-entrained concrete building block surface rationally, and water conservation is prevented
Splitting effective, the compatibility is good, good energy-conserving effect, and preparation process is simple, and Financial cost is relatively low, has market prospect widely.
Detailed description of the invention
The claim of the present invention is described in further detail by the mode below in conjunction with specific embodiment, following
Description elaborates a lot of detail so that fully understanding the present invention.
But the present invention can implement to be much different from alternate manner described here, and those skilled in the art are permissible
Doing similar improvement in the case of intension of the present invention, therefore the present invention is not limited by following public being embodied as.
The invention provides a kind of water conservation anticracking grout for air-entrained concrete building block surface, including cement, polyphenyl
Grain, Gypsum Fibrosum, ground calcium carbonate, calcium hydroxide, cellulose ether, wood fibre, latex powder, polypropylene fibre.
Above-mentioned, cement is a kind of powdery hydraulicity inorganic coagulation material.Add water and after stirring, become slurry, can harden in atmosphere
Or preferably harden in water, and can be the most cemented together for the material such as sand, stone.Calx and the mixing of volcanic ash in early days
Thing is much like with modern lime pozzolanic cement, the concrete made with its cementing rubble, and after hardening, not only intensity is higher, and
And the erosion of fresh water or brackish water can also be resisted.For a long time, it, as a kind of important Binder Materials, is widely used in building
The engineerings such as building, water conservancy, national defence.
Further, described cement is 42.5 Portland cements.
Above-mentioned, the chemical composition of portland cement: tricalcium silicate (3CaO SiO2, skeleton symbol C3S), dicalcium silicate
(2CaO·SiO2, skeleton symbol C2S), tricalcium aluminate (3CaO Al2O3, skeleton symbol C3A), tetra calcium aluminoferrite (4CaO Al2O3·
Fe2O3, skeleton symbol C4AF).
It is to be appreciated that sand (predominantly SiO2), it mostly is artificial manufacture, or artificial from some stone under polishing
Come, granule is the most some larger, and satiety is more higher, hand held in can clearly feel with the presence of granule.Sand exists
In concrete, can combine with cement molecule, increase the diffusion area of cement molecule, after forming cement mortar, strengthen the water of cement
Change effect；Sand can also fill stone void among particles, cooperatively plays skeleton function with stone, improves concrete
Density and intensity；Sand also has certain lubrication, improves the workability of concrete mix；Sand also can be at cement
In hydration process, being effectively reduced hydration heat of cement, suppression cement is because of the generation in crack when physics, the change of chemical reaction volume；
Sand may also operate as aggregate effect in all kinds of mortars, and can be effectively saved cementing material；Sand also can be at swelled ground, ice
The bad soil layer such as frozen soil serves as bed course, serves protective effect.
It is understood that ground calcium carbonate, it is called for short triple superphosphate, is by natural carbonate mineral such as calcite, marble, stone
Lime stone grinds and forms.It is conventional powdery inorganic filler, has that chemical purity is high, inertia big, be difficult to chemical reaction, heat stability
Get well, will not decompose below 400 DEG C, whiteness is high, oil absorbency is low, index of refraction is low, matter is soft, dry, without water of crystallization, the low mill of hardness
Consumption is worth the advantages such as little, nontoxic, tasteless, odorless, good dispersion.
It is to be appreciated that ground calcium carbonate can be used for improving processing characteristics (such as regulation viscosity, rheological property, cure
Can), improve dimensional stability, reinforcement or half reinforcement, improve printing performance, improve physical property (such as thermostability, extinction, resistance to
Mill property, anti-flammability, whiteness, glossiness) etc..
Furthermore, cellulose is the most not melted a kind of both insoluble polyhydroxy macromolecular compound.Fiber after etherified
There is notable change in element solubility property, is dissolvable in water water, diluted acid, diluted alkaline or organic solvent, and its dissolubility depends primarily on three
Factor: the characteristic of introduced group in (1) etherification procedure, the biggest then dissolubility of group of introducing is the lowest, the group polarity of introducing
The strongest, cellulose ether is the most soluble in water；(2) substitution value and Etherifying groups distribution situation in macromole.Most of celluloses
Ether can only just be dissolved in water under the conditions of certain substitution value, and substitution value is between 0～3；(3) degree of polymerization of cellulose ether, polymerization
Spend the highest, more not readily dissolve；The degree of polymerization is the lowest, and the substitution value scope that can be dissolved in water is the widest.Cellulose ethers is various in style, performance
Excellent, it is widely used in the industry such as building, cement, oil, food, weaving, detergent, coating, medicine, papermaking and electronic component.
It is to be appreciated that wood fibre is that natural reproducible timber is through having that chemical treatment, Mechanical Method processing obtain
The wadding fibrous material of machine.It is widely used in the fields such as concrete mortar, plastering, wood pulp sponge, asphalt roads, to preventing coating
Ftracture, improve water-retaining property, improve the stability produced and the conformance of construction, increase intensity, the enhancing adhesive force etc. to surface
There is good effect.Its technical role is mainly: thixotroping, protect, absorb, carrier and filler.
Due to the capillarity of fibre structure, the moisture of internal system is promptly transferred to pulp surface and interface,
The distribution of the uniform moisture within slurry is made to significantly reduce skinning.And adhesion strength and surface strength are significantly improved,
This mechanism also due in dry run the minimizing of tension force and substantially play the effect of cracking resistance.Wood fibre dimensional stability and heat
Stability serves good thermal-insulating and anti-cracking effect in insulation material.
It is to be appreciated that polypropylene fibre can be divided into long fibre, chopped fiber, spunbond non-woven fabrics, melt spraying non-woven fabrics etc..
Polypropylene filament can be divided into common long fibre and fine-denier long fibre.Polypropylene fibre has characteristics that
(1) light weight: the density of polypropylene fibre is 0.90～0.92g/cm, is the lightest in all chemical fibres, than
Chinlon is light by 20%, lighter by 30% than terylene, lighter by 40% than viscose rayon.
(2) intensity height, good springiness, wear-resisting, corrosion-resistant
(3) there is electrical insulating property and warmth retention property
It is to be appreciated that polypropylene fibre can also carry out flame-retardant modified by adding fire retardant.
It is understood that latex powder, especially redispersable latex powder are water solublity redispersible powder, it is divided into second
The copolymer of alkene/vinylacetate, vinyl acetate/versatic acid ethylene copolymer, acrylic copolymer etc..This powder body with
Quickly emulsion can be become by redispersion, owing to redispersable latex powder has high cementitiousness and unique performance, such as after water contact:
Water-resistance, application property and thermal insulation etc., therefore, their range of application is the most widely.
Latex powder has extremely prominent adhesion strength, improves the flexibility of mortar and has the longer open hour, gives mortar
Excellent alkali resistance, improves the adhesive binder of mortar, rupture strength, water proofing property, plasticity, anti-wear performance and application property
Outward, Flexible anti-crack mortar has more stronger pliability.
This kind when the water conservation anticracking grout on air-entrained concrete building block surface spreads upon air-entrained concrete building block surface, with
The compatibility on air-entrained concrete building block surface is preferable, and therefore bond effect is good.And can effectively prevent air entrained concrete from building
The crackle that block surface produces.
Furthermore, Gypsum Fibrosum is that natural dihydrate gypsum heats available plaster of Paris under the drying condition of 107～170 DEG C.
It is to be appreciated that granular polystyrene full name is expanded polystyrene foams granule, also known as expansion polyphenyl granule.This material
Material is made by raw material based on Expandable polystyrene resin bead is expanded foamed.Granular polystyrene is polyphenylene granule heat-insulating sand
The main aggregate of slurry.
This material is applicable to newly-built, enlarging and the industry of Existing reinforced concrete bridge transformation of building energy conservation 50% and 65% target call
The Outer Wall insulation of civil buildings and party wall, basement, garage, stair, corridor, passageway for fire apparatus, the independent thermal insulation separation of heat bridge
Heat, the levelling fireprotection layer of EPS, XPS or protective layer etc..
It follows that the water conservation anticracking grout that this kind is for air-entrained concrete building block surface spreads upon air-entrained concrete building block
During surface, cracking that concrete segment causes mortar dehydration to occur soon because of water absorption rate height and the situation that intensity reduces can be prevented.And
Preparation process is simple, is directly added water by individual composition of raw materials and stir during construction.Efficiency is higher, and Financial cost is relatively low, has wide
General market prospect.
Further, described cement is 42.5 Portland cements.
Further, described ground calcium carbonate particle diameter is 200～300 mesh.
Further, described granular polystyrene bulk density is 10～14 kilograms per cubic meter.
Above-mentioned, bulk density refers to that the density that powder quality is tried to achieve divided by volume of a container V shared by this powder body, also known as heap are close
Degree, i.e. ρ b=W/V.When filling powder body, the density recorded after certain rule is vibrated or rapped claims tap density, English Major art
Language is write a Chinese character in simplified form: ρ bt.
Further, a length of the 3～6mm of described polypropylene fibre.
Further, described cellulose ether is methylhydroxypropylcellulose.
Further, described latex powder is redispersible acrylic latex powder.
Above-mentioned, the redispersable latex powder that market is mainly applied has: vinylacetate and ethylene copolymer rubber powder；Ethylene and chlorine
Ethylene and moon silicic acid vinyl acetate ternary polymerization rubber powder；Vinylacetate and ethylene and higher aliphatic vinyl acetate ternary polymerization glue
Powder；Vinylacetate and higher aliphatic vinyl acetate copolymerization rubber powder；Acrylate and styrene copolymerized rubber powder；Vinylacetate with
Acrylate and higher aliphatic vinyl acetate ternary polymerization rubber powder；Vinylacetate homopolymerization rubber powder；Styrene and butadiene copolymer
Rubber powder etc..
Redispersable latex powder is usually white powder, but also has minority to have other colors.Its composition includes: polymer
Resin: be positioned at the core of rubber powder granule, is also the main component that plays a role of redispersable latex powder.
Redispersable latex powder can improve in wet mortar wet mortar workability, improve mobile performance, increase touch
Property of hanging down, improvement cohesiveness become and resisted, open hour, enhancing water-retaining property extended.Adding redispersable latex powder after mortar solidification can
Improve the hot strength of mortar, increase bend resistance intensity, reduction elastic modelling quantity, raising deformability, increase material degree of compaction, increasing
Add wear-resisting intensity, raising cohesive strength, reduction carbonation depth, minimizing material water absorption, make material have the (addition of splendid hydrophobicity
Hydrophobicity rubber powder).
Further, the mass percent of each raw material components is:
Cement: 20～35%
Granular polystyrene: 10～20%
Gypsum Fibrosum: 50～65%
Ground calcium carbonate: 5～15%
Calcium hydroxide: 1～5%
Cellulose ether: 1～5%
Wood fibre: 1～5%
Latex powder: 1～5%
Polypropylene fibre: 0.1～0.5%.
Further, the mass percent of each raw material components is:
Cement: 20～30%
Granular polystyrene: 10～15%
Gypsum Fibrosum: 50～60%
Ground calcium carbonate: 5～12%
Calcium hydroxide: 2～5%
Cellulose ether: 1～3%
Wood fibre: 1～3%
Latex powder: 1～4%
Polypropylene fibre: 0.1～0.3%.
Further, in described calcium hydroxide, CaO content is 50～90%.
For the ease of understanding the present invention, close embodiment below and further illustrate technical scheme.Application voice
Bright, the present invention illustrates detailed process equipment and the technological process of the present invention by above-described embodiment, but the present invention does not limit to
In above-mentioned detailed process equipment and technological process, i.e. do not mean that the present invention has to rely on above-mentioned detailed process equipment and technique stream
Cheng Caineng implements.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, each former to product of the present invention
The equivalence of material is replaced and the interpolation of auxiliary element, concrete way choice etc., all falls within protection scope of the present invention and open model
Within enclosing.
Embodiment 1
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 20%
Granular polystyrene: 10%
Gypsum Fibrosum: 50%
Ground calcium carbonate: 5%
Calcium hydroxide: 5%
Cellulose ether: 1%
Wood fibre: 5%
Latex powder: 3.5%
Polypropylene fibre: 0.5%；
Wherein the particle diameter of ground calcium carbonate is 200 mesh；Granular polystyrene bulk density is 10 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 50%；Cellulose ether is methylhydroxypropylcellulose；Latex powder is redispersible acrylic latex powder.
Embodiment 2
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 14%
Granular polystyrene: 7.9%
Gypsum Fibrosum: 65%
Ground calcium carbonate: 5%
Calcium hydroxide: 1%
Cellulose ether: 1%
Wood fibre: 5%
Latex powder: 1%
Polypropylene fibre: 0.1%；
Wherein the particle diameter of ground calcium carbonate is 300 mesh；Granular polystyrene bulk density is 12 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 90%；Cellulose ether is hydroxyethylmethyl-cellulose；Latex powder is redispersible ethylene/vinyl acetate
Ester latex powder.
Embodiment 3
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 35%
Granular polystyrene: 20%
Gypsum Fibrosum: 35%
Ground calcium carbonate: 1%
Calcium hydroxide: 5%
Cellulose ether: 1%
Wood fibre: 1%
Latex powder: 1.5%
Polypropylene fibre: 0.5%；
Wherein the particle diameter of ground calcium carbonate is 250 mesh；Granular polystyrene bulk density is 14 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 70%；Cellulose ether is carboxymethyl cellulose；Latex powder is redispersible ethylene and vinyl chloride and moon silicon
Vinyl acetate ternary polymerization rubber powder.
Embodiment 4
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 20%
Granular polystyrene: 10%
Gypsum Fibrosum: 40%
Ground calcium carbonate: 15%
Calcium hydroxide: 5%
Cellulose ether: 1%
Wood fibre: 5%
Latex powder: 3.5%
Polypropylene fibre: 0.5%；
Wherein the particle diameter of ground calcium carbonate is 300 mesh；Granular polystyrene bulk density is 13 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 85%；Cellulose ether is hydroxypropyl methyl cellulose；Latex powder is redispersible acrylate and benzene second
Alkene copolymerization rubber powder.
Embodiment 5
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 20%
Granular polystyrene: 10%
Gypsum Fibrosum: 50%
Ground calcium carbonate: 5%
Calcium hydroxide: 1%
Cellulose ether: 5%
Wood fibre: 5%
Latex powder: 3.5%
Polypropylene fibre: 0.5%；
Wherein the particle diameter of ground calcium carbonate is 300 mesh；Granular polystyrene bulk density is 13 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 85%；Cellulose ether is hydroxypropyl methyl cellulose；Latex powder is redispersible acrylate and benzene second
Alkene copolymerization rubber powder.
Embodiment 6
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 24%
Granular polystyrene: 10%
Gypsum Fibrosum: 50%
Ground calcium carbonate: 5%
Calcium hydroxide: 1%
Cellulose ether: 5%
Wood fibre: 1%
Latex powder: 3.5%
Polypropylene fibre: 0.5%；
Wherein the particle diameter of ground calcium carbonate is 300 mesh；Granular polystyrene bulk density is 13 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 85%；Cellulose ether is hydroxypropyl methyl cellulose；Latex powder is redispersible acrylate and benzene second
Alkene copolymerization rubber powder.
Embodiment 7
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 24%
Granular polystyrene: 10%
Gypsum Fibrosum: 50%
Ground calcium carbonate: 5%
Calcium hydroxide: 1%
Cellulose ether: 5%
Wood fibre: 1%
Latex powder: 3.9%
Polypropylene fibre: 0.1%；
Wherein the particle diameter of ground calcium carbonate is 300 mesh；Granular polystyrene bulk density is 13 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 85%；Cellulose ether is hydroxypropyl methyl cellulose；Latex powder is redispersible acrylate and benzene second
Alkene copolymerization rubber powder.
Embodiment 8
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 24%
Granular polystyrene: 10%
Gypsum Fibrosum: 50%
Ground calcium carbonate: 5%
Calcium hydroxide: 1%
Cellulose ether: 5%
Wood fibre: 1%
Latex powder: 1%
Polypropylene fibre: 3%；
Wherein the particle diameter of ground calcium carbonate is 300 mesh；Granular polystyrene bulk density is 13 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 85%；Cellulose ether is hydroxypropyl methyl cellulose；Latex powder is redispersible acrylate and benzene second
Alkene copolymerization rubber powder.
Embodiment 9
A kind of water conservation anticracking grout for air-entrained concrete building block surface, the mass percent of each raw material components is:
Portland cement: 24%
Granular polystyrene: 10%
Gypsum Fibrosum: 50%
Ground calcium carbonate: 5%
Calcium hydroxide: 1%
Cellulose ether: 1%
Wood fibre: 1%
Latex powder: 5%
Polypropylene fibre: 3%；
Wherein the particle diameter of ground calcium carbonate is 300 mesh；Granular polystyrene bulk density is 13 kilograms per cubic meter；Calcium hydroxide
The content of middle CaO is 85%；Cellulose ether is hydroxypropyl methyl cellulose；Latex powder is redispersible acrylate and benzene second
Alkene copolymerization rubber powder.
Claims (10)
1. the water conservation anticracking grout for air-entrained concrete building block surface, it is characterised in that: include cement, granular polystyrene,
Gypsum Fibrosum, ground calcium carbonate, calcium hydroxide, cellulose ether, wood fibre, latex powder, polypropylene fibre.
2. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 1, it is characterised in that: described water
Mud is 42.5 Portland cements.
3. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 1, it is characterised in that: described heavy
Matter calcium carbonate particle diameter is 200～300 mesh.
4. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 1, it is characterised in that: described poly-
Benzene packing density of particle is 10～14 kilograms per cubic meter.
5. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 1, it is characterised in that: described poly-
A length of the 3 of tacryl～6mm.
6. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 1, it is characterised in that: described fibre
Dimension element ether is methylhydroxypropylcellulose.
7. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 1, it is characterised in that: described breast
Rubber powder is redispersible acrylic latex powder.
8. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 1, it is characterised in that: each raw material
The mass percent of component is:
Cement: 20～35%
Granular polystyrene: 10～20%
Gypsum Fibrosum: 50～65%
Ground calcium carbonate: 5～15%
Calcium hydroxide: 1～5%
Cellulose ether: 1～5%
Wood fibre: 1～5%
Latex powder: 1～5%
Polypropylene fibre: 0.1～0.5%.
9. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 8, it is characterised in that: each raw material
The mass percent of component is:
Cement: 20～30%
Granular polystyrene: 10～15%
Gypsum Fibrosum: 50～60%
Ground calcium carbonate: 5～12%
Calcium hydroxide: 2～5%
Cellulose ether: 1～3%
Wood fibre: 1～3%
Latex powder: 1～4%
Polypropylene fibre: 0.1～0.3%.
10. the water conservation anticracking grout for air-entrained concrete building block surface as claimed in claim 1, it is characterised in that: described
In calcium hydroxide, CaO content is 50～90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108002772A (en) * | 2017-11-29 | 2018-05-08 | 三峡大学 | A kind of autoclaved aerated building block exterior wall dry-mixed decoration mortar and its construction method |
| CN108952199A (en) * | 2018-07-16 | 2018-12-07 | 江苏华欣装饰集团有限公司 | A kind of cracking of wall surface method for repairing and mending |
| CN108975828A (en) * | 2018-09-06 | 2018-12-11 | 福建坪方数建筑材料有限公司 | A kind of fired brick powder premixing dry-mixed mortar |
| CN110228984A (en) * | 2019-07-17 | 2019-09-13 | 中国矿业大学(北京) | A kind of road rapid repair material and preparation method thereof |
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| CN110228984A (en) * | 2019-07-17 | 2019-09-13 | 中国矿业大学(北京) | A kind of road rapid repair material and preparation method thereof |
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