CN104211342B - Colored premixing mortar and production method thereof - Google Patents
Colored premixing mortar and production method thereof Download PDFInfo
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- CN104211342B CN104211342B CN201410454682.3A CN201410454682A CN104211342B CN 104211342 B CN104211342 B CN 104211342B CN 201410454682 A CN201410454682 A CN 201410454682A CN 104211342 B CN104211342 B CN 104211342B
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Abstract
The present invention relates to a kind of colored premixing mortar and production method thereof, it is characterized in that: it comprises the raw material of following parts by weight: wherein, artificial sand 60-70 part, cement 12-13 part, II level flyash 10-12 part, inorganic pigment 1-5 part, additive 0.1-0.5 part. Colored premixing mortar of the present invention has excellent stain resistance, stability and mechanical property and ageing resistance, without the accumulation of salt in the surface soil, and no color differnece; But also there is the performances such as good tensile bond strength, compression strength, impermeability, crack resistance, reducing property and water retention, possess service behaviour excellence, easily pumping, the easy good workability such as closely knit simultaneously.
Description
Technical field
The invention belongs to the manufacture field of premixing mortar, particularly relate to one in use existing without the accumulation of salt in the surface soil and aberrationResemble colored premixing mortar and the production method thereof of stain resistance excellence.
Background technology
Mortar be in architectural engineering application quantity large, use one of wide construction material, be widely used in the block of buildingBuild and the engineering such as wipe one's face. In the current architectural engineering of China, 60% above building is still being continued to use the materials for wall such as brick, building block, buildsThe building mortar of building, use in plastering construction is still taking cement mortar or mixed mortar as main.
Along with the raising that building industry technological progress and civilized construction require, on-the-spot mixing mortar demonstrates its intrinsic lacking day by dayFall into, as unstable in mortar quality, waste of material is large, mortar kind is single, civilized construction degree is low and contaminated environment etc. CauseThis, adopt the premixing mortar of suitability for industrialized production imperative, and it is to ensure construction engineering quality, raising construction modernizationPut down, realize comprehensive utilization of resources, reduce municipal pollution, improve atmospheric environment, Bulk Cement, realize the item of sustainable developmentTangible measure.
In addition, at present the annual building sand of China approximately needs 600,000,000 tons of left and right, most regional use be natural river sand. My godSo river sand resource is a kind of local supplies, at short notice non-renewable and unsuitable long-distance transportation. Along with Environment Protection PolicyEnforcement, simultaneously because the exhaustive exploitation of natural river sand can damage ecological environment, the many areas of China start that limit is adopted orProhibit and adopt natural river sand, available natural river sand a resource shrinkage, Quality Down and the price of sand are more and more higher. And along with urban construction stepThe quickening of cutting down, the building waste after old room is removed is more and more, and process these building wastes and will expend a large amount of manpower and materials, andContaminated environment.
The crack of mortar and infiltration are phenomenons very general in architectural engineering, and the generation in crack and expansion, will causeBuilding masonry wall seepage and rendering layer come off, and then cause the carbonization of interior layer concrete or masonry to be corroded, and make later stage buildingBulk strength reduces, and in the service life of harm building, the serious building that will cause uses afunction. Building constructionCrack and seepage are not only made troubles to people's lives, return country and cause very large economic loss. According to statistics, China is often onlyThe expense of keeping in repair for percolating water is just more than 2,000,000,000 yuan. The use amount of annual mortar will reach 7.5 hundred million m3. If building mortarThere is anti-crack and anti-seepage performance, by reducing the huge maintenance and the rehabilitation expense that bring because of mortar crack and seepage, save a large amount ofConstruction fund, therefore mortar has higher requirement to the function of anti-crack and anti-seepage.
Colored mortar is a kind of general name of the wall plastering with decorative effect, and it is by inorganic coagulation material, organic gellingMaterial, aggregate and various additive composition, for the decoration on construction wall surface. Colored finish mortar is recovered one's original simplicity owing to havingThree-dimensional appearance, decorative effect is naturally unique, ventilative cracking resistance, good weatherability, and coating layer thickness can reach 1-3mm, can be processed intoThe grain surface of various styles. Colored finish mortar extensively replaces coating, ceramic tile in Europe, as the material of architecture inside and outside decorationMaterial, also starts to be applied in other countries and area gradually. But some problems usually hamper the development of this technology, colourDecoration mortar distinct issues in application are accumulation of salt in the surface soil; Be exactly polychromy mortar aberration problem in addition, occur the former of aberrationBecause of more, in the accuracy of raw-material batch of stability, factory's metering and construction, the factor such as the water yield, construction environment all mayCause the appearance of aberration; Be exactly that stain resistance is poor in addition, problems of crack.
Summary of the invention
The object of this invention is to provide a kind of have excellent stain resistance, stability and mechanical property and anti-agingProperty, without the accumulation of salt in the surface soil, no color differnece; But also have good tensile bond strength, compression strength, impermeability, crack resistance, reducing property andThe performances such as water retention possess service behaviour excellence, easily pumping, the easy colored premixing mortar of the good workability such as closely knit simultaneouslyAnd production method.
The present invention is achieved in that
A kind of colored premixing mortar, is characterized in that, it comprises the raw material of following parts by weight: wherein, and artificial sand 60-0.1-0.5 part of 70 part, 12-13 parts of cement, 10-12 parts, II level flyash, inorganic pigment 1-5 part, additive;
Described artificial sand serve as reasons discarded building waste residue, metallurgical slag, ore, refractory material, bauxite grog, Buddha's warrior attendantThe mixture of one or more of sand and frit, through fragmentation, sand processed, dry, after sieve aperture screening, make;
Described inorganic pigment is one or several in titanium dioxide, iron oxide, cobalt chloride, carbon black, chrome yellow and chrome green,Iron oxide is the green or iron oxide yellow of iron oxide red, iron.
Above-described additive comprises the raw material of following weight ratio, high-performance polycarboxylic acids water reducing agent: ferric trichloride: grapeSodium saccharate: defoamer: the weight ratio of air entraining agent is 50-55:15-20:5-10:2:0.5, described high-performance poly carboxylic acid subtractsAqua is polyester-type structure; Or polyether-type structure.
Above-described air entraining agent is the reactant liquor of black liquid and molasses, and its preparation method is: solid content is 40-60%1 part of black liquid weight and 1 part of cane molasses weight add strong sulfuric acid response 0.5-1 hour of 70-90% of 1 part of weightArrive.
The modulus of fineness of above-described artificial sand is 1.6-2.2, the weight percentage of the stone flour of described artificial sandFor 8-15%.
The production method of the colored premixing mortar of the present invention, comprises the following steps: by artificial sand, cement, II level flyash, nothingAfter machine pigment, functional aid, additive weigh by weight, first by II level flyash, inorganic pigment, functional aid andAdditive is put into mixer and is uniformly mixed, then adds mixer to be uniformly mixed cement, finally artificial sand is added to mixingAfter machine is uniformly mixed, enter in finished product packing tank, test package, obtains product.
The present invention adopts the high-performance polycarboxylic acids water reducing agent of two types, and a kind of taking main chain as methacrylic acid, side chain isHydroxy-acid group and MPEG (Methoxypolyethyleneglycol), polyester-type structure; Another for main chain be polypropyleneAcid, side chain is Vinylalcoholpolyethyleneglycol, polyether-type structure; Consolidating of high-performance polycarboxylic acids water reducing agentContent is 40%.
The substantive distinguishing features that the present invention is outstanding and significant progress are:
1, polychromy mortar is compared with ceramic tile decoration and coating, and speed of application is fast, efficiency improves 100%, and price canReduce by 50%; Polychromy mortar thickness is only 1-3mm, and quality is light, can greatly reduce outer heat preservation system load, builds as high levelBuild while decoration, can not occur falling brick phenomenon because bearing blast problem, thereby make in use safety and reliability of external thermal insulation system.
2, the additive of the colored premixing mortar of the present invention can significantly improve impermeability, crack resistance, reducing property, the guarantor of mortarWater rate, impervious rank reaches 12 grades, can make between mortar particle bonding more closely and form parcel and reach the impervious while and can subtractShrink less more than 30%, especially, under adverse circumstances, can reduce contraction.
3, colored premixing mortar early strength development of the present invention is rapid, even if also only need in the winter time shorter maintenance agePhase, ensure engineering progress speed; There is long-term durability; Resistance to chemical corrosion is strong, can be used in various special engineerings; ItOn high water reducing rate, high strength basis, possess service behaviour excellence, easily pumping, the easy good workability such as closely knit simultaneously.
4, the present invention selects air entraining agent and defoamer effect are good, particularly adopt black liquid and molasses reactant liquor, becomeThis is low, can carry out twice laid. In black liquid, contain a large amount of lignin, can be supported after adding sulfuric acid reaction with molassesThe material of imperial hydrone infiltration, makes mortar produce certain dope in addition, is not easy cracking.
5, air entraining agent of the present invention also utilizes sugar and the inorganic salts that black liquid itself contains, and wherein sugar can subtractThe crack producing due to aquation temperature rise in few hardened mortar, favourable to improving mortar impermeability; Inorganic salts composition makes mortarBe conducive to improve the compression strength of mortar early by force.
6, the artificial sand in the colored premixing mortar of the present invention and utilization of fly ash ironworks waste residue, desulfurization ash and slag, workIndustry mine tailing and discarded building waste residue, metallurgical slag, ore, refractory material, bauxite grog, diamond dust and frit etc. oneAs industrial solid wastes make, can reduce the use to natural sand, the comprehensive utilization of industrial waste be not only promote society canSustainable development, and Circular Economy has been played to great effect.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is made the following instructions.
Embodiment 1
(1) raw material and weight:
60 parts of artificial sands, 12 parts of cement, 10 parts, II level flyash, 1 part of inorganic pigment, 0.1 part of additive;
Described additive comprises the raw material of following weight ratio: high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acidSodium: defoamer: the weight ratio of air entraining agent is 50:15:5:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyester-type knotStructure; Or polyether-type structure.
(2) make
After artificial sand, cement, II level flyash, inorganic pigment, functional aid, additive are weighed by weight,First II level flyash, inorganic pigment, functional aid and additive are put into mixer and be uniformly mixed, then cement is addedMixer is uniformly mixed, and enters in finished product packing tank after finally adding mixer to be uniformly mixed artificial sand, and test package, obtainsProduct, premixing mortar of the present invention only need add the water that accounts for mortar total amount 12-16% in use, stirs and can use.
Embodiment 2
(1) raw material and weight:
665 parts of artificial sands, 12 parts of cement, 11 parts, II level flyash, 3 parts of inorganic pigments, 0.2 part of additive;
Described additive comprises the raw material of following weight ratio: high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acidSodium: defoamer: the weight ratio of air entraining agent is 52:16:6:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyester-type knotStructure; Or polyether-type structure.
(2) make
After artificial sand, cement, II level flyash, inorganic pigment, functional aid, additive are weighed by weight,First II level flyash, inorganic pigment, functional aid and additive are put into mixer and be uniformly mixed, then cement is addedMixer is uniformly mixed, and enters in finished product packing tank after finally adding mixer to be uniformly mixed artificial sand, and test package, obtainsProduct, premixing mortar of the present invention only need add the water that accounts for mortar total amount 12-16% in use, stirs and can use.
Embodiment 3
(1) raw material and weight:
68 parts of artificial sands, 13 parts of cement, 11 parts, II level flyash, 4 parts of inorganic pigments, 0.4 part of additive;
Described additive comprises the raw material of following weight ratio: high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acidSodium: defoamer: the weight ratio of air entraining agent is 54:18:8:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyester-type knotStructure; Or polyether-type structure.
(2) make
After artificial sand, cement, II level flyash, inorganic pigment, functional aid, additive are weighed by weight,First II level flyash, inorganic pigment, functional aid and additive are put into mixer and be uniformly mixed, then cement is addedMixer is uniformly mixed, and enters in finished product packing tank after finally adding mixer to be uniformly mixed artificial sand, and test package, obtainsProduct, premixing mortar of the present invention only need add the water that accounts for mortar total amount 12-16% in use, stirs and can use.
Embodiment 4
(1) raw material and weight:
70 parts of artificial sands, 13 parts of cement, 12 parts, II level flyash, 5 parts of inorganic pigments, 0.5 part of additive;
Described additive comprises the raw material of following weight ratio: high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acidSodium: defoamer: the weight ratio of air entraining agent is 55:20:10:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyester-type knotStructure; Or polyether-type structure.
(2) make
After artificial sand, cement, II level flyash, inorganic pigment, functional aid, additive are weighed by weight,First II level flyash, inorganic pigment, functional aid and additive are put into mixer and be uniformly mixed, then cement is addedMixer is uniformly mixed, and enters in finished product packing tank after finally adding mixer to be uniformly mixed artificial sand, and test package, obtainsProduct, premixing mortar of the present invention only need add the water that accounts for mortar total amount 12-16% in use, stirs and can use.
Engineering example
Dragon pond, Heng County, Nanning City new city the second stage of the project project, overall floorage 190,000 m2, the wall face in building adopts thisBright colored premixing mortar, construction quality is good, and stain resistance is good, without scenes such as the accumulation of salt in the surface soil, aberration, crackings, tensile bond strength,The performances such as setting time, denseness, water retention, compression strength, shrinkage factor are up to standard, between user's operating period without any complaint problem.
The key technical indexes of the present invention:
Illustrate that colored premixing mortar of the present invention is without the accumulation of salt in the surface soil, setting time, denseness, water retention, compression strength, shrinkage factor etc.Technical indicator all meets national standard and professional standard.
Tradition mortar and premixing mortar Comprehensive Correlation:
| Tradition mortar | Premixing mortar | |
| Stir | On-the-spot staff compounding and stirring cause quality unstable, are difficult to control service time, often have scene to water to increase plasticityPhenomenon, causes slurry quality to reduce. | Factory's premixing, without on-the-spot compounding, only need add amount of water slightly to make mix, enough service time, can makeWith large-scale professional mixing plant. |
| Construction | Often need a large amount of basal planes to water or interface processing, can not carry out mechanical execution, labour intensity is high, and efficiency of construction is low,Strong to workmen's technology dependence, easily produce tenesmus distortion and will, to a point multilayer construction, need water seasoning. | Bottom need not be processed especially, can mechanical execution, and efficiency is high, and slurry itself has the stronger viscous force that goes out, and reduces slurryBody is scattered, and has good application property and anti-tenesmus performance, water retention property excellence. |
| Quality | High shrinkage, often produces crack, and short texture easily produces seepage, with bottom cohesive force a little less than, hollowing rate is high. | Reduce crack, have higher cohesive force with bottom, not hollowing, compared with low-shrinkage, high compactness, impermeabilityBy force, durability is high. |
| Loss | Stiction force is poor, and construction is easily scattered, and water holding capacity is poor, easily causes dehydration, air-dry, causes waste. | Adhesion is vertical large, and while reducing construction, slurry is scattered, and loss is extremely low, and moisture holding capacity is strong, is difficult for causing waste. |
| The accumulating of material | To store multiple raw material at building-site, and need larger storage space transhipment mortar to need volume to job siteOuter flow process and operation. | Unitizing or arrival in bulk building site, be easy to store and handling, elasticity control consumption, and with using with joining, material storageBe stored in job site annex, be easy to management, and stir in construction point, without transporting. |
| Civilized construction | In stirring, storage and work progress, leave over the waste material being scattered in a large number, dust is large, needs a large amount of labours to clear up construction nowThe stiff slurry that field is residual. | Reduce the needs of clear away waste, only need cleaning coated paper envelope, scene is totally clean. |
Claims (3)
1. a colored premixing mortar, is characterized in that, it comprises the raw material of following parts by weight: wherein, and artificial sand 60-70Part, cement 12-13 part, II level flyash 10-12 part, inorganic pigment 1-5 part, additive 0.1-0.5 part;
Described artificial sand serve as reasons discarded building waste residue, metallurgical slag, ore, refractory material, bauxite grog, diamond dust andThe mixture of one or more of frit, through fragmentation, sand processed, dry, after sieve aperture screening, make;
Described additive comprises the raw material of following weight ratio, high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acid sodium salt:Defoamer: the weight ratio of air entraining agent is 50-55:15-20:5-10:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyesterType structure; Or polyether-type structure;
Described air entraining agent is the reactant liquor of black liquid and molasses, and its preparation method is: the papermaking that solid content is 40-60% is black1 part of liquid weight adds the strong sulfuric acid response 0.5-1 hour of the 70-90% of 1 part of weight to obtain with 1 part of cane molasses weight;
The production method of described colored premixing mortar comprises the following steps: by artificial sand, cement, II level flyash, inorganic pigment,After additive weighs by weight, first II level flyash, inorganic pigment and additive are put into mixer and are uniformly mixed,Add mixer to be uniformly mixed cement again, enter in finished product packing tank after finally adding mixer to be uniformly mixed artificial sand,Test package, obtains product.
2. colored premixing mortar according to claim 1, is characterized in that: described inorganic pigment is titanium dioxide, oxidationOne or several in iron, cobalt chloride, carbon black, chrome yellow and chrome green.
3. colored premixing mortar according to claim 1, is characterized in that: the modulus of fineness of described artificial sand is 1.6-2.2, the weight percentage of the stone flour of described artificial sand is 8-15%.
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| CN201410454682.3A CN104211342B (en) | 2014-09-09 | 2014-09-09 | Colored premixing mortar and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002782A (en) * | 2017-12-19 | 2018-05-08 | 济南大学 | A kind of diatomite modified plastering cement mortar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271984A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Titanium dioxide dry mixed mortar |
| CN105948655A (en) * | 2016-05-13 | 2016-09-21 | 欧振云 | Dry-mixed color mortar |
| CN109678454A (en) * | 2017-10-18 | 2019-04-26 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of gangue road surface decoration brick and preparation method thereof |
| CN109265104A (en) * | 2018-10-12 | 2019-01-25 | 张家界万众新型建筑材料有限公司 | A kind of polychromy finishing material dry powder and mortar |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102229478B (en) * | 2011-04-08 | 2013-07-03 | 江苏博特新材料有限公司 | Preparation method of molasses retarding water reducer and application thereof |
| CN104016633B (en) * | 2014-05-29 | 2016-04-20 | 安徽梦谷纤维材料科技有限公司 | A kind of exterior wall colored finish mortar and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108002782A (en) * | 2017-12-19 | 2018-05-08 | 济南大学 | A kind of diatomite modified plastering cement mortar |
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Inventor after: Huang Huaqing Inventor after: Long Zhimou Inventor after: Lei Decai Inventor after: Li Changping Inventor after: Gan Yuchan Inventor after: Meng Lijia Inventor after: Xie Xuken Inventor before: Huang Huaqing Inventor before: Gan Yuchan Inventor before: Nong Shihuo Inventor before: Lei Decai Inventor before: Meng Lijia Inventor before: Lu Guoping |
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