CN106278063A - Green environmental-protection building mortar and production method thereof - Google Patents
Green environmental-protection building mortar and production method thereof Download PDFInfo
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- CN106278063A CN106278063A CN201610586874.9A CN201610586874A CN106278063A CN 106278063 A CN106278063 A CN 106278063A CN 201610586874 A CN201610586874 A CN 201610586874A CN 106278063 A CN106278063 A CN 106278063A
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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
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0045—Polymers chosen for their physico-chemical characteristics
- C04B2103/0057—Polymers chosen for their physico-chemical characteristics added as redispersable powders
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/10—Accelerators; Activators
- C04B2103/12—Set accelerators
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/50—Defoamers, air detrainers
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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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
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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
- C04B2111/20—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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- C04B2111/34—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
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
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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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
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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
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- Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to a kind of Green environmental-protection building mortar and production method thereof, including the raw material of following parts by weight: 60 70 parts of aggregate, sulphoaluminate cement clinker 55 60 parts, high activity penetrant crystalline masterbatch 68 parts, nano-calcium carbonate 16 20 parts, water reducer 1.2 1.6 parts, coagulant reinforcing agent 35 parts, composite activating agent 0.06 0.08 parts, redispersable latex powder 46 parts, cellulose ether 0.5 0.8 parts, defoamer 0.08 0.12 parts, polypropylene fibre 0.6 0.8 parts, zinc stearate 0.4 0.6 parts.Green environmental-protection building mortar of the present invention possesses cracking resistance, penetrant crystalline, anticorrosion by the slurry after the stirring of suitable ratio of water to material, impervious, hydrophobicity is excellent, it is adaptable to the fields such as building basement, pond, toilet, inner-outer wall.
Description
Technical field
The invention belongs to building material technical field, particularly relate to one and be applicable to building basement, pond, health
Between, the Green environmental-protection building mortar in the field such as inner-outer wall and production method thereof.
Background technology
Mortar: architectural lay bricks use cohere material, by a certain proportion of sand and cementing material (cement, lime paste,
Clay etc.) add water into, also it is mortar, also makees mortar.Mortar is by Binder Materials (cement, Calx, clay etc.) and fine aggregate
(sand) mix that adds water forms.Conventional has cement mortar, mixed mortar (or being cement-lime mortar), lime mortar and clay-bonded sand
Slurry.
According to composition material, ordinary mortar also can be divided into: 1. lime mortar.Made according to a certain ratio by lime paste, Sha Heshui
Become, be generally used for requirement of strength the highest, not by moist masonry and coat of plaster；2. cement mortar.Pressed certain by cement, sand and water
Proportioning is made, and is generally used for the masonry in wet environment or water, metope or ground etc.；3. mixed mortar.At cement or lime sand
Slurry fills suitable admixture such as flyash, kieselguhr etc. make, to save cement or lime consumption, and improve mortar and easily
Property.Conventional mixed mortar has cement-lime mortar, cement clay mortar and Calx clay mortar etc..
Newly mixing ordinary mortar and should have good workability, the mortar after hardening then should have required intensity and bonding
Power.The workability of mortar is relevant with its mobility and water-retaining property, is typically based on construction experience and grasps or determined by test.Mortar
Comprcssive strength grade of mortar represent, conventional ordinary mortar label has 4,10,25,50,100 etc..High to requirement of strength and
Important masonry, just needs the mortar with more than No. 100.The cohesive force of mortar strengthens with the raising of its label, also with masonry
Deng apparent condition, whether clean, moist degree and construction and maintenance condition relevant.Therefore, typically will be first by brick before laying bricks
Water, to strengthen the cohesive force between brick and mortar, it is ensured that masonry quality.
The difference of building mortar and concrete is without coarse aggregate, and it is by necessarily by Binder Materials, fine aggregate and water
Proportions form.It is divided into masonry mortar and decorative mortar by its purposes；Different by material therefor, it is divided into cement mortar, stone
Lime and brick, gypsum mortar and cement and lime mixed mortar etc..Reasonable employment mortar is to saving Binder Materials, convenient construction, raising
Construction quality has important effect.
It is divided into by purposes difference: masonry mortar, decorative mortar (including decoration mortar, waterproof mortar), adhesive mortar etc..
Mortar is that in architectural engineering, application amount is big, use one of wide construction material, is widely used in the block of building
The engineering such as build and wipe one's face.In the architectural engineering that China is current, more than 60% building is still continuing to use the materials for wall such as brick, building block, builds
The building mortar build, used in plastering construction is still based on cement mortar or mixed mortar.
Building mortar is with various light materials as aggregate, with cement as gelating material, admixes some property-modifying additives, through life
A kind of premixing dry powder and mortar producing enterprise's stirring mixing and make, for constructing a kind of construction material of building insulating layer.
Along with the development of modern architecture industry, mortar usage amount is quickly increasing, and wherein, the important component of mortar is natural river sand, natural
Fluvial sand is non-renewable resources, at any time the fast development of building industry, and fluvial sand consumption increases year by year, and the yield of fluvial sand is fewer and feweri,
Natural river sand faces the situation of worsening shortages；Along with the fast development of building industry, the total amount of building waste increases sharply, owing to building
Material in building refuse recycles the reason of the aspects such as power consumption is big so that the application of building waste receives limitation.At present, big portion
The recycling approach dividing building waste is general backfill and as building or the basis of road, on the one hand causes resource wave
Take, on the other hand may also result in secondary pollution.
Summary of the invention
It is an object of the invention to provide a kind of use simple, construct convenient, slurry possess cracking resistance, penetrant crystalline, anticorrosion,
Green environmental-protection building mortar that impervious, hydrophobicity is excellent and production method thereof.
The present invention is achieved in that
A kind of Green environmental-protection building mortar, including the raw material of following parts by weight: building waste 30-40 part, sulphate aluminium cement
Grog 40-50 part, slag micro powder 20-30 part, high activity penetrant crystalline masterbatch 10-12 part, nano-calcium carbonate 12-14 part, diminishing
Agent 1.0-1.2 part, coagulant reinforcing agent 1-3 part, composite activating agent 0.12-0.14 part, redispersable latex powder 1-3 part, cellulose
Ether 1.2-1.4 part, defoamer 0.16-0.18 part, polypropylene fibre 1.2-1.4 part, zinc stearate 1.2-1.4 part.
Described building waste is engineering dregs, brick and tile fragment and the one of concrete block or compositions mixes with limestone
The material arrived.
Described sulphoaluminate cement clinker is to replace aluminium ore to produce the sulfur aluminum of gained with low-grade bauxite or aluminum slag by 1:1
Acid salt cement grog.China's high-grade bauxite resource is the most in short supply, and price constantly rises, and sulphate aluminium cement is as one
Plant the most difficult its high cost of material that bears of product that price is relatively low, therefore, seek the low-grade aluminum vitriol that price is relatively low
Soil will become, as raw material, the development trend that sulphate aluminium cement produces.From the beginning of metallic aluminium is melted for the first time.Aluminum slag is just
It it is inevitable side-product.The main component of aluminum slag is exactly metallic aluminium and aluminum oxide and sodium, potassium, the chloride of calcium and fluorine
Compound, aluminum slag has metallic aluminium and is carried over together along with slag while skimming in aluminium melting furnace.Reduction because of ambient temperature
Quick solidification is attached in the surface most aluminum slag of slag still remain a large amount of extractive metallic aluminium.Sulfur aluminic acid routinely
Salt proportioning weighs raw material, the raw material such as aluminum slag or low-grade bauxite, limestone and the natural gypsum is blended, pelletize, be dried, calcining
With quickly cooling, obtain sulphoaluminate cement clinker.
Described slag micro powder is the converter slag of steel mill or the electric furnace slag powder through efflorescence.Slag micro powder is
Active admixture, is again mineral thickener, mixes the dry powder and mortar of slag micro powder, under the effect of compound additive, shows excellent
Different performance, not only has good workability (denseness is big, delamination degree is little, good water-retaining property), and mechanical property meets varying strength
The mortar requirement of grade, later strength sustainable growth, and, also there is the feature such as lower shrinkage, microdilatancy.
Described high activity penetrant crystalline masterbatch includes following raw material: calcium carbonate, calcium chloride and aluminium potassium sulfate；Calcium carbonate, chlorine
The mass ratio changing calcium and aluminium potassium sulfate is 3-5:1:0.9；Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
The granularity of described nano-calcium carbonate is 25-40nm.
Described water reducer is polycarboxylate water-reducer, and polycarboxylate water-reducer includes the raw material of following weight portion: acrylic acid 20-30
Part, polyacrylamide 18-20 part, hydrogen peroxide 8-10 part, methylcellulose 8-10 part, molasses 10-12 part, dodecyl sulphur
Acid sodium 5-7 part, water 40-60 part；Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
Described coagulant reinforcing agent includes the raw material of following weight portion: kieselguhr 20-30 part, lignin 22-24 part, rum
Essence waste liquid dry powder 10-12 part, magnesium fluosilicate 6-8 part, Polyethylene Glycol 12-14 part, polyacrylamide 12-14 part, aluminum sulfate 5-7
Part；Preparation method is at normal temperatures through the technical process of dispensing, homogenizing and grinding by above-mentioned raw materials, stirs and is prepared from.
Described defoamer includes dimethicone, propylene glycol block polyether, silicone oil emulsification agent, fatty glyceride and poly-mountain
Pear ester；Preparation method is with dimethicone and propylene glycol block polyether as main component, with silicone oil emulsification agent, fatty acid glycerine
Ester and Polysorbate compound, when silicone oil emulsification agent content is the 8 of dimethicone, fatty glyceride and Polysorbate
Dimethicone is accounted for total with propylene glycol block polyether than the total amount for 3:1, silicone oil emulsification agent, fatty glyceride and Polysorbate
Quality 50, dimethicone and propylene glycol block polyether ratio, during for 3:4, prepare described defoamer.
Described composite activating agent is sodium silicate, sodium sulfate to be mixed with naphthalenesulfonic acid-formaldehyde condensate, adds catalyst three
Isopropanolamine and calcium sulfate are formulated；Wherein sodium silicate, sodium sulfate, naphthalenesulfonic acid-formaldehyde condensate, triisopropanolamine, sulphuric acid
The mass ratio that calcium adds is 9:7:5:2:3.Owing to its volume is low, do not affect cement various performance provision value, grinding effect can be improved
Rate, strength of cement, also can improve the density of cement slurry, permeability, make mortar good fluidity, caking property is strong, be difficult to shrink,
It is not likely to produce crack.
The production method of described Green environmental-protection building mortar, comprises the following steps:
1. being dried: building waste is dried by Belt Conveying to tower drier, water into the mill is less than 1.8%；Slag micro powder percutaneous
Belt conveyor delivers to rotary dryer dries, after drying the boosted machine of slag deliver to slag storage deposit, water content is less than
2.8%；
2. by building waste, sulphoaluminate cement clinker, slag micro powder, high activity penetrant crystalline masterbatch, nano-calcium carbonate, diminishing
Agent, coagulant reinforcing agent, composite activating agent, redispersable latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate
After weighing the most by weight respectively, first by high activity penetrant crystalline masterbatch, nano-calcium carbonate, water reducer, coagulant reinforcing agent, can be again
Dispersed latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate are put into mixer and are stirred mixing, are mixed
Close material A；
The most by weight composite activating agent, sulphoaluminate cement clinker, slag micro powder and building waste are added mortar ball
In grinding machine, and to the internal spray atomized water of mortar ball mill, the temperature of milling process is made to control at 90～120 DEG C, from mortar
Material out at ball mill, puts into mixer together with step compound A 2. and is stirred mixing, obtain compound B；
4. compound B elevator step 3. obtained is conveyed in finished product homogenizing bin, by the sky produced bottom homogenizing bin
Gas homogenizing, enters back in finished product packing tank, and test package obtains product.
The using method of Green environmental-protection building mortar of the present invention is: be that 0.12:1 is stirred mixing according to the ratio of mud during use
After conjunction.
The substantive distinguishing features that the present invention highlights with significantly progress is:
1, along with the fast development of building industry, the total amount of building waste increases sharply, owing to the material in building waste recycles
The reason of the aspects such as power consumption is big so that the application of building waste receives limitation.At present, the recycling way of major part building waste
Footpath is general backfill and as building or the basis of road, on the one hand causes the wasting of resources, on the other hand is also possible to make
Becoming secondary pollution, the Green environmental-protection building mortar of the present invention is with building waste as object, and through drying, and sulphate aluminium cement is ripe
Material, slag micro powder, high activity penetrant crystalline masterbatch, nano-calcium carbonate, water reducer, coagulant reinforcing agent, composite activating agent, can divide again
Scattered latex powder, cellulose ether, defoamer, polypropylene fibre produce together with zinc stearate, reach to protect environment, save money
Source, the purpose of development low-carbon economy；
2, China's high-grade bauxite resource is the most in short supply, and price constantly rises, and sulphate aluminium cement is as a kind of price
The most difficult its high cost of material that bears of relatively low product, Green environmental-protection building mortar of the present invention is with relatively low low of price
Grade aluminum Alumina or aluminum slag press 1:1 replace aluminium ore produce gained sulphoaluminate cement clinker by design proportioning prepare, aluminum slag and
Low-grade bauxite wide material sources, cheap, therefore there is good economic and social benefit, not only reduce the present invention green
Colour circle protects the cost of building mortar, and the production for sulphate aluminium cement simultaneously provides wide prospect；
3, fully utilize a large amount of industrial slag micro powder overstock, low cost, can economize on resources and the energy, protect environment, have
Well economic benefit and social benefit, be the Green High Performance building material product of a kind of sustainable development；
4, the present invention uses building waste and slag micro powder as aggregate, with sulphoaluminate cement clinker as Binder Materials, then adds
Enter high activity penetrant crystalline masterbatch, nano-calcium carbonate, water reducer, coagulant reinforcing agent, composite activating agent, redispersable latex powder,
The multiple compound additives such as cellulose ether, defoamer, polypropylene fibre and zinc stearate constitute one and possess cracking resistance, infiltration knot
Crystalline substance, anticorrosion, the waterproof material that impervious, hydrophobicity is excellent, mortar by external force is small destroy time can automatically repair by secondary crystallization
Multiple spontaneous recovery water-proof function, under high humidity improvements weather conditions, surface does not condense and gets damp, and keeps mortar surface dry and comfortable, in building underground
Being widely used during room, pond, toilet, inner-outer wall etc. are waterproof, particularly civil buildings are because of the reparation of the mouldy body of wall of facing that seeps water
Show the most notable；
5, the present invention uses active permeation crystallization master batch can penetrate into basic unit with water and is internally formed acicular crystals, plugging cement base
The defects such as the pore of layer and crackle, so that the impermeability pressure of the basic units such as lean concrete grout, cement mortar and concrete strengthens
200-500 times, to reach lasting waterproof effect, and extends its service life, will not reduce again intensity simultaneously；
6, the paste structure of Green environmental-protection building mortar of the present invention has good compactness and volume stability, improves coagulation
Soil is impervious, frost resistance, has the highest resisting chloride ion penetration diffusibility and the highest sulphate-corrosion resistance, overcomes portland cement
Early hydration speed relatively slow, intensity is low, Ca (OH) after aquation, content is high cause impervious and anticorrosive aspect deficiency it
Place；
7, Green environmental-protection building mortar of the present invention uses industrialized production to make the quality of mortar be guaranteed, and simplifies construction existing
The preparation link of field, substantially improves the working environment of job site, improves the quality of building, more save substantial amounts of people
Power, reduces environmental pollution, can be with how much taking how many at building-site, it is to avoid the waste of on-the-spot material；Additionally, it is possible to decrease make an uproar in building site
Sound and the pollution of airborne dust, promote the construction of Civilization Worksite.
Detailed description of the invention
Embodiment 1
A kind of Green environmental-protection building mortar, including the raw material of following parts by weight: building waste 30 parts, sulphoaluminate cement clinker
40 parts, slag micro powder 20 parts, high activity penetrant crystalline masterbatch 10 parts, nano-calcium carbonate 12 parts, water reducer 1.0 parts, coagulant strengthen
Agent 1 part, composite activating agent 0.12 part, redispersable latex powder 1 part, cellulose ether 1.2 parts, defoamer 0.16 part, polypropylene fibre
Tie up 1.2 parts, zinc stearate 1.2 parts.
Described building waste is engineering dregs, brick and tile fragment and the one of concrete block or compositions mixes with limestone
The material arrived.
Described sulphoaluminate cement clinker is to replace aluminium ore to produce the sulfur aluminum of gained with low-grade bauxite or aluminum slag by 1:1
Acid salt cement grog.
Described slag micro powder is the converter slag of steel mill or the electric furnace slag powder through efflorescence.
Described high activity penetrant crystalline masterbatch includes following raw material: calcium carbonate, calcium chloride and aluminium potassium sulfate；Calcium carbonate, chlorine
The mass ratio changing calcium and aluminium potassium sulfate is 3:1:0.9；Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
The granularity of described nano-calcium carbonate is 25-40nm.
Described water reducer is polycarboxylate water-reducer, and polycarboxylate water-reducer includes the raw material of following weight portion: 20 parts of acrylic acid,
Polyacrylamide 18 parts, hydrogen peroxide 8 parts, methylcellulose 8 parts, 10 parts of molasses, dodecyl sodium sulfate 5 parts, 40 parts of water；
Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
Described coagulant reinforcing agent includes the raw material of following weight portion: 20 parts of kieselguhr, lignin 22 parts, molasses alcohol waste liquid
10 parts of dry powder, magnesium fluosilicate 6 parts, Polyethylene Glycol 12 parts, polyacrylamide 12 parts, 5 parts of aluminum sulfate；Preparation method is by above-mentioned former
Material, at normal temperatures through the technical process of dispensing, homogenizing and grinding, stirs and is prepared from.
Described defoamer includes dimethicone, propylene glycol block polyether, silicone oil emulsification agent, fatty glyceride and poly-mountain
Pear ester；Preparation method is with dimethicone and propylene glycol block polyether as main component, with silicone oil emulsification agent, fatty acid glycerine
Ester and Polysorbate compound, when silicone oil emulsification agent content is the 8 of dimethicone, fatty glyceride and Polysorbate
Dimethicone is accounted for total with propylene glycol block polyether than the total amount for 3:1, silicone oil emulsification agent, fatty glyceride and Polysorbate
Quality 50, dimethicone and propylene glycol block polyether ratio, during for 3:4, prepare described defoamer.
Described composite activating agent is sodium silicate, sodium sulfate to be mixed with naphthalenesulfonic acid-formaldehyde condensate, adds catalyst three
Isopropanolamine and calcium sulfate are formulated；Wherein sodium silicate, sodium sulfate, naphthalenesulfonic acid-formaldehyde condensate, triisopropanolamine, sulphuric acid
The mass ratio that calcium adds is 9:7:5:2:3.Owing to its volume is low, do not affect cement various performance provision value, grinding effect can be improved
Rate, strength of cement, also can improve the density of cement slurry, permeability, make mortar good fluidity, caking property is strong, be difficult to shrink,
It is not likely to produce crack.
The production method of described Green environmental-protection building mortar, comprises the following steps:
1. it is dried: building waste is dried by Belt Conveying to tower drier, and water into the mill is 1.8%；Slag micro powder is through belt
Rotary dryer delivered to by conveyer dries, after drying the boosted machine of slag deliver to slag storage deposit, water content is
2.8%；
2. by building waste, sulphoaluminate cement clinker, slag micro powder, high activity penetrant crystalline masterbatch, nano-calcium carbonate, diminishing
Agent, coagulant reinforcing agent, composite activating agent, redispersable latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate
After weighing the most by weight respectively, first by high activity penetrant crystalline masterbatch, nano-calcium carbonate, water reducer, coagulant reinforcing agent, can be again
Dispersed latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate are put into mixer and are stirred mixing, are mixed
Close material A；
The most by weight composite activating agent, sulphoaluminate cement clinker, slag micro powder and building waste are added mortar ball
In grinding machine, and to the internal spray atomized water of mortar ball mill, the temperature of milling process is made to control at 90 DEG C, from mortar ball mill
Place's material out, puts into mixer together with step compound A 2. and is stirred mixing, obtain compound B；
4. compound B elevator step 3. obtained is conveyed in finished product homogenizing bin, by the sky produced bottom homogenizing bin
Gas homogenizing, enters back in finished product packing tank, and test package obtains product.
The using method of Green environmental-protection building mortar of the present invention is: be that 0.12:1 is stirred mixing according to the ratio of mud during use
After conjunction.
Embodiment 2
A kind of Green environmental-protection building mortar, including the raw material of following parts by weight: building waste 35 parts, sulphoaluminate cement clinker
45 parts, slag micro powder 25 parts, high activity penetrant crystalline masterbatch 11 parts, nano-calcium carbonate 13 parts, water reducer 1.1 parts, coagulant strengthen
Agent 2 parts, composite activating agent 0.13 part, redispersable latex powder 2 parts, cellulose ether 1.3 parts, defoamer 0.17 part, polypropylene fibre
Tie up 1.3 parts, zinc stearate 1.3 parts.
Described building waste is engineering dregs, brick and tile fragment and the one of concrete block or compositions mixes with limestone
The material arrived.
Described sulphoaluminate cement clinker is to replace aluminium ore to produce the sulfur aluminum of gained with low-grade bauxite or aluminum slag by 1:1
Acid salt cement grog.
Described slag micro powder is the converter slag of steel mill or the electric furnace slag powder through efflorescence.
Described high activity penetrant crystalline masterbatch includes following raw material: calcium carbonate, calcium chloride and aluminium potassium sulfate；Calcium carbonate, chlorine
The mass ratio changing calcium and aluminium potassium sulfate is 4:1:0.9；Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
The granularity of described nano-calcium carbonate is 25-40nm.
Described water reducer is polycarboxylate water-reducer, and polycarboxylate water-reducer includes the raw material of following weight portion: 25 parts of acrylic acid,
Polyacrylamide 19 parts, hydrogen peroxide 9 parts, methylcellulose 9 parts, 11 parts of molasses, dodecyl sodium sulfate 6 parts, 50 parts of water；
Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
Described coagulant reinforcing agent includes the raw material of following weight portion: 25 parts of kieselguhr, lignin 23 parts, molasses alcohol waste liquid
11 parts of dry powder, magnesium fluosilicate 7 parts, Polyethylene Glycol 13 parts, polyacrylamide 13 parts, 6 parts of aluminum sulfate；Preparation method is by above-mentioned former
Material, at normal temperatures through the technical process of dispensing, homogenizing and grinding, stirs and is prepared from.
Described defoamer includes dimethicone, propylene glycol block polyether, silicone oil emulsification agent, fatty glyceride and poly-mountain
Pear ester；Preparation method is with dimethicone and propylene glycol block polyether as main component, with silicone oil emulsification agent, fatty acid glycerine
Ester and Polysorbate compound, when silicone oil emulsification agent content is the 8 of dimethicone, fatty glyceride and Polysorbate
Dimethicone is accounted for total with propylene glycol block polyether than the total amount for 3:1, silicone oil emulsification agent, fatty glyceride and Polysorbate
Quality 50, dimethicone and propylene glycol block polyether ratio, during for 3:4, prepare described defoamer.
Described composite activating agent is sodium silicate, sodium sulfate to be mixed with naphthalenesulfonic acid-formaldehyde condensate, adds catalyst three
Isopropanolamine and calcium sulfate are formulated；Wherein sodium silicate, sodium sulfate, naphthalenesulfonic acid-formaldehyde condensate, triisopropanolamine, sulphuric acid
The mass ratio that calcium adds is 9:7:5:2:3.Owing to its volume is low, do not affect cement various performance provision value, grinding effect can be improved
Rate, strength of cement, also can improve the density of cement slurry, permeability, make mortar good fluidity, caking property is strong, be difficult to shrink,
It is not likely to produce crack.
The production method of described Green environmental-protection building mortar, comprises the following steps:
1. it is dried: building waste is dried by Belt Conveying to tower drier, and water into the mill is 1.5%；Slag micro powder is through belt
Rotary dryer delivered to by conveyer dries, after drying the boosted machine of slag deliver to slag storage deposit, water content is
2.5%；
2. by building waste, sulphoaluminate cement clinker, slag micro powder, high activity penetrant crystalline masterbatch, nano-calcium carbonate, diminishing
Agent, coagulant reinforcing agent, composite activating agent, redispersable latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate
After weighing the most by weight respectively, first by high activity penetrant crystalline masterbatch, nano-calcium carbonate, water reducer, coagulant reinforcing agent, can be again
Dispersed latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate are put into mixer and are stirred mixing, are mixed
Close material A；
The most by weight composite activating agent, sulphoaluminate cement clinker, slag micro powder and building waste are added mortar ball
In grinding machine, and to the internal spray atomized water of mortar ball mill, the temperature of milling process is made to control at 105 DEG C, from mortar ball milling
Material out at machine, puts into mixer together with step compound A 2. and is stirred mixing, obtain compound B；
4. compound B elevator step 3. obtained is conveyed in finished product homogenizing bin, by the sky produced bottom homogenizing bin
Gas homogenizing, enters back in finished product packing tank, and test package obtains product.
The using method of Green environmental-protection building mortar of the present invention is: be that 0.12:1 is stirred mixing according to the ratio of mud during use
After conjunction.
Embodiment 3
A kind of Green environmental-protection building mortar, including the raw material of following parts by weight: building waste 40 parts, sulphoaluminate cement clinker
50 parts, slag micro powder 30 parts, high activity penetrant crystalline masterbatch 12 parts, nano-calcium carbonate 14 parts, water reducer 1.2 parts, coagulant strengthen
Agent 3 parts, composite activating agent 0.14 part, redispersable latex powder 3 parts, cellulose ether 1.4 parts, defoamer 0.18 part, polypropylene fibre
Tie up 1.4 parts, zinc stearate 1.4 parts.
Described building waste is engineering dregs, brick and tile fragment and the one of concrete block or compositions mixes with limestone
The material arrived.
Described sulphoaluminate cement clinker is to replace aluminium ore to produce the sulfur aluminum of gained with low-grade bauxite or aluminum slag by 1:1
Acid salt cement grog.
Described slag micro powder is the converter slag of steel mill or the electric furnace slag powder through efflorescence.
Described high activity penetrant crystalline masterbatch includes following raw material: calcium carbonate, calcium chloride and aluminium potassium sulfate；Calcium carbonate, chlorine
The mass ratio changing calcium and aluminium potassium sulfate is 5:1:0.9；Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
The granularity of described nano-calcium carbonate is 25-40nm.
Described water reducer is polycarboxylate water-reducer, and polycarboxylate water-reducer includes the raw material of following weight portion: 30 parts of acrylic acid,
Polyacrylamide 20 parts, hydrogen peroxide 10 parts, methylcellulose 10 parts, 12 parts of molasses, dodecyl sodium sulfate 7 parts, water 60
Part；Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
Described coagulant reinforcing agent includes the raw material of following weight portion: 30 parts of kieselguhr, lignin 24 parts, molasses alcohol waste liquid
12 parts of dry powder, magnesium fluosilicate 8 parts, Polyethylene Glycol 14 parts, polyacrylamide 14 parts, 7 parts of aluminum sulfate；Preparation method is by above-mentioned former
Material, at normal temperatures through the technical process of dispensing, homogenizing and grinding, stirs and is prepared from.
Described defoamer includes dimethicone, propylene glycol block polyether, silicone oil emulsification agent, fatty glyceride and poly-mountain
Pear ester；Preparation method is with dimethicone and propylene glycol block polyether as main component, with silicone oil emulsification agent, fatty acid glycerine
Ester and Polysorbate compound, when silicone oil emulsification agent content is the 8 of dimethicone, fatty glyceride and Polysorbate
Dimethicone is accounted for total with propylene glycol block polyether than the total amount for 3:1, silicone oil emulsification agent, fatty glyceride and Polysorbate
Quality 50, dimethicone and propylene glycol block polyether ratio, during for 3:4, prepare described defoamer.
Described composite activating agent is sodium silicate, sodium sulfate to be mixed with naphthalenesulfonic acid-formaldehyde condensate, adds catalyst three
Isopropanolamine and calcium sulfate are formulated；Wherein sodium silicate, sodium sulfate, naphthalenesulfonic acid-formaldehyde condensate, triisopropanolamine, sulphuric acid
The mass ratio that calcium adds is 9:7:5:2:3.Owing to its volume is low, do not affect cement various performance provision value, grinding effect can be improved
Rate, strength of cement, also can improve the density of cement slurry, permeability, make mortar good fluidity, caking property is strong, be difficult to shrink,
It is not likely to produce crack.
The production method of described Green environmental-protection building mortar, comprises the following steps:
1. it is dried: building waste is dried by Belt Conveying to tower drier, it is ensured that water into the mill is less than 1.8%；Slag micro powder
Deliver to rotary dryer through belt conveyor dry, after drying the boosted machine of slag deliver to slag storage deposit, water content
Less than 2.8%；
2. by building waste, sulphoaluminate cement clinker, slag micro powder, high activity penetrant crystalline masterbatch, nano-calcium carbonate, diminishing
Agent, coagulant reinforcing agent, composite activating agent, redispersable latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate
After weighing the most by weight respectively, first by high activity penetrant crystalline masterbatch, nano-calcium carbonate, water reducer, coagulant reinforcing agent, can be again
Dispersed latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate are put into mixer and are stirred mixing, are mixed
Close material A；
The most by weight composite activating agent, sulphoaluminate cement clinker, slag micro powder and building waste are added mortar ball
In grinding machine, and to the internal spray atomized water of mortar ball mill, the temperature of milling process is made to control at 90～120 DEG C, from mortar
Material out at ball mill, puts into mixer together with step compound A 2. and is stirred mixing, obtain compound B；
4. compound B elevator step 3. obtained is conveyed in finished product homogenizing bin, by the sky produced bottom homogenizing bin
Gas homogenizing, enters back in finished product packing tank, and test package obtains product.
The using method of Green environmental-protection building mortar of the present invention is: be that 0.12:1 is stirred mixing according to the ratio of mud during use
After conjunction.
The key technical indexes of the present invention:
Illustrate the setting time of Green environmental-protection building mortar of the present invention, comprcssive strength, rupture strength, shrinkage, frost resistance,
The technical specifications such as water demand ratio, adhesion strength energy all meet national standard and industry standard.
Claims (10)
1. a Green environmental-protection building mortar, it is characterised in that include the raw material of following parts by weight: building waste 30-40 part,
Sulphoaluminate cement clinker 40-50 part, slag micro powder 20-30 part, high activity penetrant crystalline masterbatch 10-12 part, nano-calcium carbonate
12-14 part, water reducer 1.0-1.2 part, coagulant reinforcing agent 1-3 part, composite activating agent 0.12-0.14 part, redispersable latex powder
1-3 part, cellulose ether 1.2-1.4 part, defoamer 0.16-0.18 part, polypropylene fibre 1.2-1.4 part, zinc stearate 1.2-1.4
Part.
Green environmental-protection building mortar the most according to claim 1, it is characterised in that: described building waste be engineering dregs,
The material that a kind of or compositions of brick and tile fragment and concrete block is mixed to get with limestone.
Green environmental-protection building mortar the most according to claim 1, it is characterised in that: described sulphoaluminate cement clinker is to use
Low-grade bauxite or aluminum slag are pressed 1:1 and are replaced aluminium ore to produce the sulphoaluminate cement clinker of gained.
Green environmental-protection building mortar the most according to claim 1, it is characterised in that: described slag micro powder is turning of steel mill
Stove slag or electric furnace slag are through the powder of efflorescence.
Green environmental-protection building mortar the most according to claim 1, it is characterised in that: described high activity penetrant crystalline masterbatch bag
Include following raw material: calcium carbonate, calcium chloride and aluminium potassium sulfate；Calcium carbonate, calcium chloride are 3-5:1 with the mass ratio of aluminium potassium sulfate:
0.9；Preparation method is to be stirred at normal temperatures by above-mentioned raw materials.
Green environmental-protection building mortar the most according to claim 1, it is characterised in that: described water reducer is polycarboxylic acids diminishing
Agent, polycarboxylate water-reducer includes the raw material of following weight portion: acrylic acid 20-30 part, polyacrylamide 18-20 part, hydrogen peroxide
8-10 part, methylcellulose 8-10 part, molasses 10-12 part, dodecyl sodium sulfate 5-7 part, water 40-60 part；Preparation method is
Above-mentioned raw materials is stirred at normal temperatures.
Green environmental-protection building mortar the most according to claim 1, it is characterised in that: described coagulant reinforcing agent includes following heavy
Amount part raw material: kieselguhr 20-30 part, lignin 22-24 part, molasses alcohol waste liquid dry powder 10-12 part, magnesium fluosilicate 6-8 part,
Polyethylene Glycol 12-14 part, polyacrylamide 12-14 part, aluminum sulfate 5-7 part；Preparation method is by above-mentioned raw materials warp at normal temperatures
The technical process of dispensing, homogenizing and grinding, stirs and is prepared from.
Green environmental-protection building mortar the most according to claim 1, it is characterised in that: described defoamer includes dimethyl-silicon
Oil, propylene glycol block polyether, silicone oil emulsification agent, fatty glyceride and Polysorbate；Preparation method be with dimethicone and
Propylene glycol block polyether is main component, compounds with silicone oil emulsification agent, fatty glyceride and Polysorbate, when silicone oil breast
Agent content be the ratio of the 8 of dimethicone, fatty glyceride and Polysorbate be 3:1, silicone oil emulsification agent, fatty acid glycerine
The total amount of ester and Polysorbate accounts for dimethicone and propylene glycol block polyether gross mass 50, dimethicone and propylene glycol block
Polyethers ratio, during for 3:4, prepares described defoamer.
Green environmental-protection building mortar the most according to claim 1, it is characterised in that: described composite activating agent is by silicic acid
Sodium, sodium sulfate mix with naphthalenesulfonic acid-formaldehyde condensate, add catalyst triisopropanolamine and calcium sulfate is formulated；Wherein
The mass ratio that sodium silicate, sodium sulfate, naphthalenesulfonic acid-formaldehyde condensate, triisopropanolamine, calcium sulfate add is 9:7:5:2:3.
The production method of Green environmental-protection building mortar the most according to claim 1, it is characterised in that comprise the following steps:
1. being dried: building waste is dried by Belt Conveying to tower drier, water into the mill is less than 1.8%；Slag micro powder percutaneous
Belt conveyor delivers to rotary dryer dries, after drying the boosted machine of slag deliver to slag storage deposit, water content is less than
2.8%；
2. by building waste, sulphoaluminate cement clinker, slag micro powder, high activity penetrant crystalline masterbatch, nano-calcium carbonate, diminishing
Agent, coagulant reinforcing agent, composite activating agent, redispersable latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate
After weighing the most by weight respectively, first by high activity penetrant crystalline masterbatch, nano-calcium carbonate, water reducer, coagulant reinforcing agent, can be again
Dispersed latex powder, cellulose ether, defoamer, polypropylene fibre and zinc stearate are put into mixer and are stirred mixing, are mixed
Close material A；
The most by weight composite activating agent, sulphoaluminate cement clinker, slag micro powder and building waste are added mortar ball
In grinding machine, and to the internal spray atomized water of mortar ball mill, the temperature of milling process is made to control at 90～120 DEG C, from mortar
Material out at ball mill, puts into mixer together with step compound A 2. and is stirred mixing, obtain compound B；
4. compound B elevator step 3. obtained is conveyed in finished product homogenizing bin, by the sky produced bottom homogenizing bin
Gas homogenizing, enters back in finished product packing tank, and test package obtains product.
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| CN107200529A (en) * | 2017-05-26 | 2017-09-26 | 深圳港创建材股份有限公司 | A kind of mortar joint and preparation method thereof |
| CN107746233A (en) * | 2017-11-22 | 2018-03-02 | 广西云燕特种水泥建材有限公司 | A kind of mortar for building and its production method |
| CN107879707A (en) * | 2017-11-22 | 2018-04-06 | 广西云燕特种水泥建材有限公司 | A kind of heat preservation mortar for outer wall and its production method |
| CN107935499A (en) * | 2017-11-21 | 2018-04-20 | 李修来 | A kind of Green environmental-protection building mortar and preparation method thereof |
| CN107973540A (en) * | 2017-12-27 | 2018-05-01 | 江苏百瑞吉新材料有限公司 | A kind of concrete intensifier and preparation method thereof |
| CN108059417A (en) * | 2017-12-25 | 2018-05-22 | 芜湖林电子科技有限公司 | A kind of preparation method of the good 3D printing mortar of rheological characteristic |
| CN108706947A (en) * | 2018-04-25 | 2018-10-26 | 临泉县凯晟建筑工程有限公司 | A kind of special antifreeze environment-friendly type water mud of roadbed stone |
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| CN113185156A (en) * | 2021-05-08 | 2021-07-30 | 上海攀昂建筑工程有限公司 | Method for producing seawater corrosion resistant cement by using construction waste |
| CN114560665A (en) * | 2022-04-07 | 2022-05-31 | 武汉质高环保科技有限公司 | Phase-change thermal-insulation facing mortar for building interior wall and preparation method thereof |
| EP4046975A1 (en) * | 2021-02-22 | 2022-08-24 | Vigier Management AG | Concrete compound and method for producing the same |
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| CN107935499A (en) * | 2017-11-21 | 2018-04-20 | 李修来 | A kind of Green environmental-protection building mortar and preparation method thereof |
| CN107746233A (en) * | 2017-11-22 | 2018-03-02 | 广西云燕特种水泥建材有限公司 | A kind of mortar for building and its production method |
| CN107879707A (en) * | 2017-11-22 | 2018-04-06 | 广西云燕特种水泥建材有限公司 | A kind of heat preservation mortar for outer wall and its production method |
| CN108059417A (en) * | 2017-12-25 | 2018-05-22 | 芜湖林电子科技有限公司 | A kind of preparation method of the good 3D printing mortar of rheological characteristic |
| CN107973540A (en) * | 2017-12-27 | 2018-05-01 | 江苏百瑞吉新材料有限公司 | A kind of concrete intensifier and preparation method thereof |
| CN108706947A (en) * | 2018-04-25 | 2018-10-26 | 临泉县凯晟建筑工程有限公司 | A kind of special antifreeze environment-friendly type water mud of roadbed stone |
| CN108996957A (en) * | 2018-08-27 | 2018-12-14 | 南京奥新可工程科技有限公司 | A kind of impervious building mortar of cracking resistance and its preparation method and application |
| EP4046975A1 (en) * | 2021-02-22 | 2022-08-24 | Vigier Management AG | Concrete compound and method for producing the same |
| CN113185156A (en) * | 2021-05-08 | 2021-07-30 | 上海攀昂建筑工程有限公司 | Method for producing seawater corrosion resistant cement by using construction waste |
| CN114560665A (en) * | 2022-04-07 | 2022-05-31 | 武汉质高环保科技有限公司 | Phase-change thermal-insulation facing mortar for building interior wall and preparation method thereof |
| CN114560665B (en) * | 2022-04-07 | 2023-08-11 | 武汉质高环保科技有限公司 | Phase-change thermal-insulation facing mortar for building inner wall and preparation method thereof |
| CN115159936A (en) * | 2022-07-04 | 2022-10-11 | 中国建筑第五工程局有限公司 | Plastering mortar and preparation method and application thereof |
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