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CN112341125A - Preparation method of anti-whiskering cement color decoration mortar - Google Patents

Preparation method of anti-whiskering cement color decoration mortar Download PDF

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CN112341125A
CN112341125A CN202011366622.8A CN202011366622A CN112341125A CN 112341125 A CN112341125 A CN 112341125A CN 202011366622 A CN202011366622 A CN 202011366622A CN 112341125 A CN112341125 A CN 112341125A
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parts
cement
preparation
efflorescence
decorative mortar
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CN112341125B (en
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李荣竹
吴尤嘉
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Guizhou Zhengtian Architecture Technology Co ltd
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Dongyang Yan'an Construction Engineering Co ltd
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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
    • C04B28/14—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 calcium sulfate cements
    • C04B28/16—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 calcium sulfate cements containing anhydrite, e.g. Keene's cement
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/141—Slags
    • C04B18/144—Slags from the production of specific metals other than iron or of specific alloys, e.g. ferrochrome slags
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/023—Chemical treatment
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • C04B24/161—Macromolecular compounds comprising sulfonate or sulfate groups
    • C04B24/166—Macromolecular compounds comprising sulfonate or sulfate groups obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/34—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds and acyclic or carbocyclic compounds
    • C08G12/36—Ureas; Thioureas
    • C08G12/38—Ureas; Thioureas and melamines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/40—Chemically modified polycondensates
    • 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
    • C04B2111/2023—Resistance against alkali-aggregate reaction
    • 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
    • C04B2111/80—Optical properties, e.g. transparency or reflexibility
    • C04B2111/82—Coloured materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Ceramic Engineering (AREA)
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Abstract

The invention relates to the field of building material preparation, in particular to a preparation method of whiskering-resistant cement color decorative mortar; according to the invention, the modified lithium slag and the modified melamine water reducer are added into the cement-based colored decorative mortar, and the addition of the two components can effectively prevent the occurrence of the efflorescence phenomenon of the material, so that the decorative mortar which is free of efflorescence and has good mechanical properties and constructability is prepared; the cement colorful decorative mortar has strong bonding force with a base layer, and has various colors and shapes, thereby meeting the aesthetic requirements of different groups; the construction is convenient, the coating can be smeared, rolled and even sprayed, the construction time is saved, and the advantages of the ceramic tile are greater especially on the difficult construction parts such as internal and external corners; the durability is good, and the phenomena of hollowing and peeling can not occur; the manufacturing cost and the production energy consumption are very low, and the method has great economic and environmental protection values.

Description

Preparation method of anti-whiskering cement color decoration mortar
Technical Field
The invention relates to the field of building material preparation, in particular to a preparation method of a whiskering-resistant cement color decorative mortar.
Background
The cement-based colored decorative mortar has the advantages of stable performance, safety, durability, convenient construction, environmental protection and the like, and becomes the future development direction of building wall decorative materials in China.
CN107640925A discloses MH series non-cement-based colored decorative mortar and a processing technology thereof, which belong to the technical field of new decorative material processing. It mainly comprises the following components in unit volume: 52-58 kg of quartz sand, 8-12 kg of ash calcium powder, 9-18 kg of heavy calcium carbonate, 6-8 kg of light calcium carbonate, 25-40 kg of rubber powder, 0.5-1 kg of flame retardant, 0.35-0.45 kg of thixotropic lubricant, 0-3 kg of pigment and 0.1-0.6 kg of antifreeze. The beneficial effects of the invention are: after the preparation method and the processing technology are used for preparation, the problem that the construction of the outer wall cannot be carried out due to low temperature in the early winter in the north is solved; the lap joint has no color difference, so that local repair is convenient; the dry powder is convenient to store and transport, and saves manpower, material resources and financial resources; compared with the real stone paint, the dosage per square is greatly reduced.
CN102464480A discloses color STUCCO wall decoration mortar, which comprises the following components: portland cement, aluminate cement, anhydrite, quartz sand, redispersible latex powder, lignocellulose, hydroxypropyl methyl cellulose, a water repellent and an iron oxide pigment; also discloses a construction process of the color STUCCO wall decoration mortar, which comprises the following steps: cleaning a wall base surface; leveling a wall base plane by using interface mortar; preparing colorful STUCCO wall decoration mortar; leveling color STUCCO wall decoration mortar on the leveled interface mortar; and (6) coating protective paint. The invention aims to provide the colorful STUCCO wall decoration mortar and the construction process thereof, which can very simply and conveniently reproduce colorful fair-faced concrete layers on different base planes by adopting the colorful STUCCO wall decoration mortar, and the cement color cannot be damaged due to the high-alkali environment formed in the concrete pouring process.
CN111268991A provides a compound high color-retention color decorative mortar, which comprises the following components in parts by weight: 10-12 parts of high-alumina cement, 5-7 parts of white cement, 5-7 parts of alpha high-strength gypsum, 3-4 parts of polyvinylidene fluoride resin powder, 0.1-0.2 part of a water repellent, 0.1-0.2 part of an alkali-resistant inhibitor, 0.2-0.3 part of hydroxypropyl methyl cellulose, 0.1-0.15 part of tartaric acid, 0.5-0.8 part of wood fiber, 5-10 parts of 200-mesh quartz powder, 45-50 parts of 70-140-mesh quartz sand and 10-20 parts of 40-70-mesh quartz sand.
Soluble alkali in the mortar is a source of efflorescence of the material, and the cement color decoration mortar prepared by the invention and the prior patent has the problems of efflorescence, easy alkali return, easy fading, poor weather resistance and the like, thereby seriously restricting the application and popularization of the cement color decoration mortar.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of the anti-whiskering cement color decorative mortar.
A preparation method of anti-whiskering cement color decorative mortar mainly adopts the following scheme:
mixing 300 parts by mass of cement, 180 parts by mass of 120-parts by mass of heavy calcium carbonate, 600 parts by mass of 450-parts by mass of river sand, 0.8-2.1 parts by mass of water reducing agent, 6-12 parts by mass of latex powder and 14-24 parts by mass of pigment, stirring for 30-60min under anhydrous condition, then adding 180 parts by mass of 100-parts by mass of water, stirring uniformly, adding 1.5-4.5 parts by mass of water repellent potassium methyl silicate, 0.1-0.5 part by mass of hydroxypropyl methyl cellulose and 0.2-0.4 part by mass of defoaming agent, stirring continuously for 5-10min, adding 30-100 parts by mass of modified lithium slag and 40-60 parts by mass of gypsum powder, and stirring uniformly to obtain the anti-efflorescence color cement mortar decoration.
The modified lithium slag is prepared by the following method:
according to the mass portion, 50-100 portions of lithium slag, 0.1-0.8 portion of triethanolamine, 0.1-0.5 portion of triethylamine and 21-58x10-3Uniformly mixing parts of cashew base ionic liquid active agent and 0.1-0.5 part of acetone sulfonate formaldehyde condensate, adding 70-120 parts of water, uniformly mixing and stirring, transferring into a wet grinder to wet-grind for 1-5h, and dehydrating to obtain the modified lithium slag.
The water reducing agent is a modified melamine water reducing agent and is prepared by the following method:
adding 55-68 parts of melamine, 10-18 parts of urea and 26-58 parts of 30-40% aqueous solution of glyoxal in parts by weight into a reaction kettle, uniformly stirring, adjusting the pH value of the solution to 8.5-9.5 by using 0.01-0.05mol/L ammonia water, controlling the temperature to be 75-90 ℃, reacting for 30-60min, adding 2.3-5.8 parts of sodium bisulfite and 0.5-3.2 parts of sodium metabisulfite into the reaction kettle, adjusting the pH value of the solution to 9.5-10.5, and continuing to react for 60-120min to obtain the modified melamine water reducer.
The cashew nut-based ionic liquid active agent is prepared by the following method:
according to the mass parts, under the protection of nitrogen, 30-50 parts of epoxy chloropropane, 78-92 parts of cardanol, 2-5 parts of tetrabutylammonium bromide and 1-4 parts of potassium carbonate are stirred for 10-15 hours at 80-90 ℃, then 0.4-1.2 parts of (benzo-18-crown-6) -4' -amine and 1.2-3.2 parts of 1-aminopropyl-3-methylimidazolium bromide are added into a reaction kettle, the pH value of the system is controlled to be more than 10, and the mixture is stirred for 3-5 hours at the temperature of 100-120 ℃. Cooling, and distilling under reduced pressure to remove the solvent to obtain the cashew base ionic liquid activator.
The 1-aminopropyl-3-methylimidazolium bromide salt participates in the reaction as the amino ionic liquid, and the equation of the partial reaction is shown as follows:
Figure DEST_PATH_IMAGE002
Figure DEST_PATH_IMAGE004
Figure DEST_PATH_IMAGE006
the reaction of epichlorohydrin and cardanol, and then the reaction of (benzo-18-crown-6) -4' -amine is carried out, and the partial reaction equation is shown as follows:
Figure DEST_PATH_IMAGE008
Figure DEST_PATH_IMAGE010
the cement is obtained by blending high-alumina cement and white cement according to the mass ratio of 2.5-4.8: 1.
The gypsum powder is anhydrous gypsum powder.
The pigment is iron yellow or iron oxide red.
The latex powder is vinyl acetate/ethylene versatate copolymer powder or ethylene/vinyl acetate copolymer powder.
According to the preparation method of the anti-efflorescence cement color decoration mortar, the modified lithium slag and the modified melamine water reducing agent are added into the cement-based color decoration mortar, the two components are added, the efflorescence phenomenon of the material can be effectively prevented, and the decoration mortar which is free of efflorescence and good in mechanical property and constructability is prepared; the modified melamine water reducing agent can reduce the amount of soluble alkali and carriers thereof in the early stage of mortar,
the modified lithium slag not only can inhibit the efflorescence effect, but also can effectively reduce the early shrinkage value of cement mortar and enhance the crack resistance of mortar;
the cement colorful decorative mortar has strong bonding force with a base layer, and has various colors and shapes, thereby meeting the aesthetic requirements of different groups; the construction is convenient, the coating can be smeared, rolled and even sprayed, the construction time is saved, and the advantages of the ceramic tile are greater especially on the difficult construction parts such as internal and external corners; the durability is good, and the phenomena of hollowing and peeling can not occur; the manufacturing cost and the production energy consumption are very low, and the method has great economic and environmental protection values.
Drawings
Fig. 1 is a fourier infrared spectrum of a sample of cashew-based ionic liquid active agent prepared in example 3:
at 2955cm-1The expansion and contraction absorption peak of the hydrocarbon exists nearby, and is 1610/1498cm-1The absorption peak of benzene ring is 1658cm-1An absorption peak of carbon-carbon double bonds in the vicinity of 1252cm-1A telescopic absorption peak of a phenyl ether bond exists nearby, so that cardanol participates in the reaction; at 3302cm-1The absorption peak of hydroxyl group is at 696cm-1An out-of-plane bending absorption peak of hydroxyl exists nearby, so that epichlorohydrin participates in the reaction; at 3087cm-1An antisymmetric telescopic absorption peak of ammonium ions exists nearby, and is 1408cm-1An asymmetric variable-angle absorption peak of ammonium ions exists nearby, which indicates that benzyltriethylammonium chloride participates in the reaction; at 960cm-1An absorption peak of a carbon-nitrogen single bond exists nearby, which indicates that the 1-aminopropyl-3-methylimidazole bromine salt participates in the reaction; at 1179cm-1The presence of an absorption peak of an ether bond in the vicinity indicates that (benzo-18-crown-6) -4-ylamine is involved in the reaction.
Detailed Description
The invention is further illustrated by the following specific examples:
in the experiment, the drying shrinkage rate of the mortar is tested according to section 12 in JGJ/T70-2009 mortar basic performance test method; scraping the prepared mortar on a 200mm multiplied by 5mm silicon calcium plate by a spatula, curing for 7 days, placing the cured sample in 50ml of deionized water with the molding surface facing downwards, collecting the leachate after 4 hours, drying and weighing in a 100 ℃ oven, and testing the saltpetering performance of the mortar.
Example 1
A preparation method of anti-whiskering cement color decorative mortar mainly adopts the following scheme:
mixing 200kg of cement, 120kg of heavy calcium carbonate, 450kg of river sand, 0.8kg of water reducing agent, 6kg of latex powder and 14kg of pigment, stirring for 30min under anhydrous condition, then adding 100kg of water, adding 1.5kg of water repellent methyl potassium silicate, 0.1kg of hydroxypropyl methyl cellulose and 0.2kg of defoaming agent after stirring uniformly, continuing stirring for 5min, adding 30kg of modified lithium slag and 40kg of gypsum powder, and stirring uniformly to obtain the anti-whiskering cement color decoration mortar.
The modified lithium slag is prepared by the following method:
50kg of lithium slag, 0.1kg of triethanolamine, 0.1kg of triethylamine, 2.1g of cashew base ionic liquid activator and 0.1kg of acetone sulfonate formaldehyde condensate are uniformly mixed, 70kg of water is added, the mixture is uniformly mixed and stirred, and then the mixture is transferred into a wet grinder to be wet-milled for 1 hour and then is dehydrated to obtain the modified lithium slag.
The water reducing agent is a modified melamine water reducing agent and is prepared by the following method:
adding 55kg of melamine, 10kg of hydroxyl urea and 26kg of glyoxal aqueous solution with the mass percentage content of 30% into a reaction kettle, uniformly stirring, adjusting the pH value of the solution to 8.5 by using 0.01mol/L ammonia water, controlling the temperature to rise to 75 ℃, reacting for 30min, adding 2.3kg of sodium bisulfite and 0.5kg of sodium metabisulfite into the reaction kettle, adjusting the pH value of the solution to 9.5, and continuing to react for 60min to obtain the modified melamine water reducer.
The cashew nut-based ionic liquid active agent is prepared by the following method:
30g of epichlorohydrin, 78g of cardanol, 2g of tetrabutylammonium bromide and 1g of potassium carbonate are stirred at 80 ℃ for 10 hours under the protection of nitrogen, then 0.4g of (benzo-18-crown-6) -4' -ylamine and 1.2g of 1-aminopropyl-3-methylimidazolium bromide are added into a reaction kettle, the pH of the system is controlled to be more than 10, and the mixture is stirred at 100 ℃ for 3 hours. Cooling, and distilling under reduced pressure to remove the solvent to obtain the cashew base ionic liquid activator.
The cement is obtained by blending high-alumina cement and white cement according to the mass ratio of 2.5: 1.
The gypsum powder is anhydrous gypsum powder.
The pigment is iron yellow.
The latex powder is vinyl acetate/ethylene versatate copolymer powder.
The cement color decorative mortar prepared by the experiment has the drying shrinkage value of 187 multiplied by 10-6The amount of the pantobase was 0.0496 g.
Example 2
A preparation method of anti-whiskering cement color decorative mortar mainly adopts the following scheme:
mixing 240kg of cement, 150kg of heavy calcium carbonate, 550kg of river sand, 1.4kg of water reducing agent, 9kg of latex powder and 20kg of pigment, stirring for 45min under anhydrous condition, then adding 150kg of water, adding 2.5kg of water repellent methyl potassium silicate, 0.2kg of hydroxypropyl methyl cellulose and 0.3kg of defoaming agent after stirring uniformly, continuing stirring for 8min, adding 70kg of modified lithium slag and 50kg of gypsum powder, and stirring uniformly to obtain the anti-whiskering cement color decoration mortar.
The modified lithium slag is prepared by the following method:
80kg of lithium slag, 0.3kg of triethanolamine, 0.3kg of triethylamine, 3.4g of cashew base ionic liquid activator and 0.3kg of acetone sulfonate formaldehyde condensate are mixed uniformly, 90kg of water is added, the mixture is mixed and stirred uniformly and then is transferred to a wet grinder to be ground for 2h, and then the mixture is dehydrated to obtain the modified lithium slag.
The water reducing agent is a modified melamine water reducing agent and is prepared by the following method:
adding 62kg of melamine, 14kg of hydroxyl urea and 37kg of 35 mass percent aqueous solution of glyoxal into a reaction kettle, uniformly stirring, adjusting the pH value of the solution to 9 by using 0.03mol/L ammonia water, controlling the temperature to rise to 80 ℃, reacting for 45min, adding 3.8kg of sodium bisulfite and 2.1kg of sodium metabisulfite into the reaction kettle, adjusting the pH value of the solution to 10, and continuing to react for 90min to obtain the modified melamine water reducer.
The cashew nut-based ionic liquid active agent is prepared by the following method:
under the protection of nitrogen, 35g of epichlorohydrin, 90g of cardanol, 4g of tetrabutylammonium bromide and 2g of potassium carbonate are stirred at 84 ℃ for 12 hours, then 0.6g of (benzo-18-crown-6) -4' -ylamine and 1.9g of 1-aminopropyl-3-methylimidazolium bromide are added into a reaction kettle, the pH of the system is controlled to be more than 10, and the mixture is stirred at 110 ℃ for 4 hours. Cooling, and distilling under reduced pressure to remove the solvent to obtain the cashew base ionic liquid activator.
The cement is obtained by blending high-alumina cement and white cement according to the mass ratio of 3.6: 1.
The gypsum powder is anhydrous gypsum powder.
The pigment is iron oxide red.
The latex powder is ethylene/vinyl acetate copolymer powder.
The cement color decoration mortar prepared by the experiment has the drying shrinkage value of 154 multiplied by 10-6The amount of the pantobase was 0.0438 g.
Example 3
A preparation method of anti-whiskering cement color decorative mortar mainly adopts the following scheme:
mixing 300kg of cement, 180kg of heavy calcium carbonate, 600kg of river sand, 2.1kg of water reducing agent, 12kg of latex powder and 24kg of pigment, stirring for 60min under anhydrous condition, then adding 180kg of water, adding 4.5kg of water repellent methyl potassium silicate, 0.5kg of hydroxypropyl methyl cellulose and 0.4kg of defoaming agent after stirring uniformly, continuing stirring for 10min, adding 100kg of modified lithium slag and 60kg of gypsum powder, and stirring uniformly to obtain the anti-whiskering cement color decoration mortar.
The modified lithium slag is prepared by the following method:
100kg of lithium slag, 0.8kg of triethanolamine, 0.5kg of triethylamine, 5.8g of cashew base ionic liquid activator and 0.5kg of acetone sulfonate formaldehyde condensate are uniformly mixed, 120kg of water is added, the mixture is uniformly mixed and stirred, and then the mixture is transferred into a wet grinder to be wet-milled for 5 hours and then is dehydrated to obtain the modified lithium slag.
The water reducing agent is a modified melamine water reducing agent and is prepared by the following method:
adding 68kg of melamine, 18kg of hydroxyl urea and 58kg of 40 mass percent aqueous solution of glyoxal into a reaction kettle, uniformly stirring, adjusting the pH value of the solution to 9.5 by using 0.05mol/L ammonia water, controlling the temperature to rise to 90 ℃, reacting for 60min, adding 5.8kg of sodium bisulfite and 3.2kg of sodium metabisulfite into the reaction kettle, adjusting the pH value of the solution to 10.5, and continuing to react for 120min to obtain the modified melamine water reducer.
Under the protection of nitrogen, 50g of epichlorohydrin, 92g of cardanol, 5g of tetrabutylammonium bromide and 4g of potassium carbonate are stirred at 90 ℃ for 15 hours, then 1.2g of (benzo-18-crown-6) -4' -ylamine and 3.2g of 1-aminopropyl-3-methylimidazolium bromide are added into a reaction kettle, the pH of the system is controlled to be more than 10, and the mixture is stirred at 120 ℃ for 5 hours. Cooling, and distilling under reduced pressure to remove the solvent to obtain the cashew base ionic liquid activator.
The cement is obtained by blending high-alumina cement and white cement according to the mass ratio of 4.8: 1.
The gypsum powder is anhydrous gypsum powder.
The pigment is iron yellow.
The latex powder is ethylene/vinyl acetate copolymer powder.
The drying shrinkage value of the cement color decorative mortar prepared by the experiment is 147 multiplied by 10-6The amount of pantobase is 0.0409 g.
Comparative example 1
A preparation method of anti-whiskering cement color decorative mortar mainly adopts the following scheme:
mixing 200kg of cement, 120kg of heavy calcium carbonate, 450kg of river sand, 0.8kg of water reducing agent, 6kg of latex powder and 14kg of pigment, stirring for 30min under anhydrous condition, then adding 100kg of water, adding 1.5kg of water repellent methyl potassium silicate, 0.1kg of hydroxypropyl methyl cellulose and 0.2kg of defoaming agent after stirring uniformly, continuing stirring for 5min, adding 40kg of gypsum powder, and stirring uniformly to obtain the anti-whiskering cement color decorative mortar.
The water reducing agent is a modified melamine water reducing agent and is prepared by the following method:
adding 55kg of melamine, 10kg of hydroxyl urea and 26kg of glyoxal aqueous solution with the mass percentage content of 30% into a reaction kettle, uniformly stirring, adjusting the pH value of the solution to 8.5 by using 0.01mol/L ammonia water, controlling the temperature to rise to 75 ℃, reacting for 30min, adding 2.3kg of sodium bisulfite and 0.5kg of sodium metabisulfite into the reaction kettle, adjusting the pH value of the solution to 9.5, and continuing to react for 60min to obtain the modified melamine water reducer.
The cement is obtained by blending high-alumina cement and white cement according to the mass ratio of 2.5: 1.
The gypsum powder is anhydrous gypsum powder.
The pigment is iron yellow.
The latex powder is vinyl acetate/ethylene versatate copolymer powder.
The drying shrinkage value of the cement color decoration mortar prepared by the experiment is 241 multiplied by 10-6The amount of pantobase was 0.0817 g.
Comparative example 2
A preparation method of anti-whiskering cement color decorative mortar mainly adopts the following scheme:
mixing 200kg of cement, 120kg of heavy calcium carbonate, 450kg of river sand, 6kg of latex powder and 14kg of pigment, stirring for 30min under anhydrous condition, then adding 100kg of water, adding 1.5kg of water repellent methyl potassium silicate, 0.1kg of hydroxypropyl methyl cellulose and 0.2kg of defoaming agent after stirring uniformly, adding 30kg of modified lithium slag and 40kg of gypsum powder after continuously stirring for 5min, and stirring uniformly to obtain the anti-efflorescence cement color decorative mortar.
The modified lithium slag is prepared by the following method:
50kg of lithium slag, 0.1kg of triethanolamine, 0.1kg of triethylamine, 2.1g of cashew base ionic liquid activator and 0.1kg of acetone sulfonate formaldehyde condensate are uniformly mixed, 70kg of water is added, the mixture is uniformly mixed and stirred, and then the mixture is transferred into a wet grinder to be wet-milled for 1 hour and then is dehydrated to obtain the modified lithium slag.
The cashew nut-based ionic liquid active agent is prepared by the following method:
under the protection of nitrogen, 35g of epichlorohydrin, 90g of cardanol, 4g of tetrabutylammonium bromide and 2g of potassium carbonate are stirred at 84 ℃ for 12 hours, then 0.6g of (benzo-18-crown-6) -4' -ylamine and 1.9g of 1-aminopropyl-3-methylimidazolium bromide are added into a reaction kettle, the pH of the system is controlled to be more than 10, and the mixture is stirred at 110 ℃ for 4 hours. Cooling, and distilling under reduced pressure to remove the solvent to obtain the cashew base ionic liquid activator.
The cement is obtained by blending high-alumina cement and white cement according to the mass ratio of 2.5: 1.
The gypsum powder is anhydrous gypsum powder.
The pigment is iron yellow.
The latex powder is vinyl acetate/ethylene versatate copolymer powder.
The drying shrinkage value of the cement color decoration mortar prepared by the experiment is 224 multiplied by 10-6The amount of the pantobase was 0.0762 g.
Comparative example 3
A preparation method of anti-whiskering cement color decorative mortar mainly adopts the following scheme:
mixing 200kg of cement, 120kg of heavy calcium carbonate, 450kg of river sand, 6kg of latex powder and 14kg of pigment, stirring for 30min under anhydrous condition, then adding 100kg of water, adding 1.5kg of water repellent methyl potassium silicate, 0.1kg of hydroxypropyl methyl cellulose and 0.2kg of defoaming agent after stirring uniformly, adding 40kg of gypsum powder after continuously stirring for 5min, and stirring uniformly to obtain the anti-whiskering cement color decorative mortar.
The cement is obtained by blending high-alumina cement and white cement according to the mass ratio of 2.5: 1.
The gypsum powder is anhydrous gypsum powder.
The pigment is iron yellow.
The latex powder is vinyl acetate/ethylene versatate copolymer powder.
The drying shrinkage value of the cement color decoration mortar prepared by the experiment is 314 multiplied by 10-6The amount of pantobase was 0.1127 g.

Claims (8)

1.一种抗泛碱水泥彩色装饰砂浆的制备方法，其主要方案如下：1. a preparation method of efflorescence-resistant cement colored decorative mortar, its main scheme is as follows: 按照质量份数，将200-300份的水泥，120-180份的重质碳酸钙，450-600份的河沙，0.8-2.1份的减水剂，6-12份的乳胶粉和14-24份的颜料混合后在无水条件下搅拌30-60min，然后加入100-180份的水，搅拌均匀后加入1.5-4.5份的憎水剂甲基硅酸钾，0.1-0.5份的羟丙基甲基纤维素，0.2-0.4份的消泡剂，继续搅拌5-10min后加入30-100份的改性锂渣和40-60份的石膏粉，搅拌均匀后即可得到所述的一种抗泛碱水泥彩色装饰砂浆。According to the mass parts, 200-300 parts of cement, 120-180 parts of heavy calcium carbonate, 450-600 parts of river sand, 0.8-2.1 parts of water reducing agent, 6-12 parts of latex powder and 14- After mixing 24 parts of pigment, stir for 30-60min under anhydrous conditions, then add 100-180 parts of water, stir evenly, add 1.5-4.5 parts of water repellent potassium methyl silicate, 0.1-0.5 parts of hydroxypropyl methyl cellulose, 0.2-0.4 part of defoamer, continue stirring for 5-10 minutes, add 30-100 parts of modified lithium slag and 40-60 parts of gypsum powder, and stir to obtain the above-mentioned one. A kind of efflorescence-resistant cement colored decorative mortar. 2.根据权利要求1所述的一种抗泛碱水泥彩色装饰砂浆的制备方法，其特征在于所述的改性锂渣按照以下方法制备：2. the preparation method of a kind of efflorescence-resistant cement colored decorative mortar according to claim 1 is characterized in that described modified lithium slag is prepared according to the following method: 按照质量份数，将50-100份的锂渣，0.1-0.8份的三乙醇胺，0.1-0.5份的三乙胺，2.1-5.8份的腰果基离子液活性剂和0.1-0.5份的丙酮磺酸盐甲醛缩合物混合均匀后加入70-120份的水，混合搅拌均匀后转入到湿磨机中湿磨1-5h后脱水即可得到所述的改性锂渣。According to the mass parts, 50-100 parts of lithium slag, 0.1-0.8 parts of triethanolamine, 0.1-0.5 parts of triethylamine, 2.1-5.8 parts of cashew-based ionic liquid active agent and 0.1-0.5 parts of acetone sulfonic acid The acid-acid-formaldehyde condensate is mixed evenly, and then 70-120 parts of water are added, mixed and stirred evenly, transferred to a wet mill for wet grinding for 1-5 hours, and dehydrated to obtain the modified lithium slag. 3.根据权利要求1所述的一种抗泛碱水泥彩色装饰砂浆的制备方法，其特征在于所述的减水剂为一种改性三聚氰胺减水剂，按照以下方法制备：3. the preparation method of a kind of efflorescence-resistant cement colored decorative mortar according to claim 1 is characterized in that described water reducing agent is a kind of modified melamine water reducing agent, and is prepared according to the following method: 按照质量份数，将55-68份的三聚氰胺、10-18份的羟基尿素和26-58份的质量份数为30%-40%乙二醛水溶液加入到反应釜中，搅拌均匀后用0.01-0.05mol/L的氨水调节溶液pH值为8.5-9.5，控制升温到75-90℃，反应30-60min后将2.3-5.8份的亚硫酸氢钠和0.5-3.2份的焦亚硫酸钠加入到反应釜中，调节溶液pH值为9.5-10.5，继续反应60-120min，既得到所述的一种改性三聚氰胺减水剂。According to the parts by mass, add 55-68 parts of melamine, 10-18 parts of hydroxyurea and 26-58 parts by mass of 30%-40% glyoxal aqueous solution into the reaction kettle, stir evenly and use 0.01 -0.05mol/L ammonia water to adjust the pH value of the solution to 8.5-9.5, control the temperature to 75-90°C, and add 2.3-5.8 parts of sodium bisulfite and 0.5-3.2 parts of sodium metabisulfite to the reaction after 30-60min of reaction In the kettle, the pH value of the solution is adjusted to 9.5-10.5, and the reaction is continued for 60-120 min to obtain the modified melamine water reducing agent. 4.根据权利要求1所述的一种抗泛碱水泥彩色装饰砂浆的制备方法，其特征在于所述的水泥为高铝水泥和白水泥按照质量比2.5-4.8:1进行复掺得到。4. the preparation method of a kind of efflorescence-resistant cement colored decorative mortar according to claim 1, it is characterized in that described cement is that high alumina cement and white cement are mixed and obtained according to mass ratio 2.5-4.8:1. 5.根据权利要求1所述的一种抗泛碱水泥彩色装饰砂浆的制备方法，其特征在于所述的石膏粉为无水石膏粉。5. the preparation method of a kind of efflorescence-resistant cement colored decorative mortar according to claim 1, is characterized in that described gypsum powder is anhydrous gypsum powder. 6.根据权利要求1所述的一种抗泛碱水泥彩色装饰砂浆的制备方法，其特征在于所述的颜料为铁黄或氧化铁红。6. the preparation method of a kind of efflorescence-resistant cement colored decorative mortar according to claim 1, is characterized in that described pigment is iron yellow or iron oxide red. 7.根据权利要求1所述的一种抗泛碱水泥彩色装饰砂浆的制备方法，其特征在于所述的乳胶粉为醋酸乙烯/叔碳酸乙烯共聚物粉末或乙烯/醋酸乙烯酯共聚物粉末。7. the preparation method of a kind of efflorescence-resistant cement colored decorative mortar according to claim 1, is characterized in that described latex powder is vinyl acetate/ethylene tertiary carbonate copolymer powder or ethylene/vinyl acetate copolymer powder. 8.根据权利要求1所述的一种抗泛碱水泥彩色装饰砂浆的制备方法，其特征在于, 所述的腰果基离子液活性剂，按照以下方法制备：8. The preparation method of a kind of anti-efflorescence cement colored decorative mortar according to claim 1, is characterized in that, described cashew nut-based ionic liquid active agent is prepared according to the following method: 按照质量份数，将50-100份的锂渣，0.1-0.8份的三乙醇胺，0.1-0.5份的三乙胺，21-58x10-3份的腰果基离子液活性剂和0.1-0.5份的丙酮磺酸盐甲醛缩合物混合均匀后加入70-120份的水，混合搅拌均匀后转入到湿磨机中湿磨1-5h后脱水即可得到所述的改性锂渣。According to the parts by mass, 50-100 parts of lithium slag, 0.1-0.8 parts of triethanolamine, 0.1-0.5 parts of triethylamine, 21-58x10-3 parts of cashew-based ionic liquid active agent and 0.1-0.5 parts of The acetone sulfonate formaldehyde condensate is mixed uniformly, and then 70-120 parts of water are added, mixed and stirred uniformly, then transferred to a wet mill for wet grinding for 1-5 hours, and then dehydrated to obtain the modified lithium slag.
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Publication number Priority date Publication date Assignee Title
CN115028397A (en) * 2022-06-20 2022-09-09 中建八局第三建设有限公司 Lithium slag metakaolin composite humidity regulating material and preparation method thereof
CN115385602A (en) * 2022-08-12 2022-11-25 金陵科技学院 Anti-seepage material for building and preparation method thereof
CN117164325A (en) * 2023-08-29 2023-12-05 东方雨虹砂粉科技集团有限公司 White inorganic texture mortar and preparation method thereof

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CN108863225A (en) * 2018-07-26 2018-11-23 广东复特新型材料科技有限公司 A kind of polychromy mortar
CN109517141A (en) * 2018-10-11 2019-03-26 安徽大学 Cardanol modified waterborne epoxy curing agent and preparation method thereof
CN111268991A (en) * 2020-03-10 2020-06-12 浙江华德新材料有限公司 Compound high-color-retention color decorative mortar

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CN108863225A (en) * 2018-07-26 2018-11-23 广东复特新型材料科技有限公司 A kind of polychromy mortar
CN109517141A (en) * 2018-10-11 2019-03-26 安徽大学 Cardanol modified waterborne epoxy curing agent and preparation method thereof
CN111268991A (en) * 2020-03-10 2020-06-12 浙江华德新材料有限公司 Compound high-color-retention color decorative mortar

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115028397A (en) * 2022-06-20 2022-09-09 中建八局第三建设有限公司 Lithium slag metakaolin composite humidity regulating material and preparation method thereof
CN115385602A (en) * 2022-08-12 2022-11-25 金陵科技学院 Anti-seepage material for building and preparation method thereof
CN117164325A (en) * 2023-08-29 2023-12-05 东方雨虹砂粉科技集团有限公司 White inorganic texture mortar and preparation method thereof

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