CN108424083A - A kind of preparation method of anti-cracking plastering mortar - Google Patents
A kind of preparation method of anti-cracking plastering mortar Download PDFInfo
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- CN108424083A CN108424083A CN201810355661.4A CN201810355661A CN108424083A CN 108424083 A CN108424083 A CN 108424083A CN 201810355661 A CN201810355661 A CN 201810355661A CN 108424083 A CN108424083 A CN 108424083A
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- hyaluronic acid
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
-
- 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
-
- 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
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of preparation methods of anti-cracking plastering mortar, belong to building material field.Modified redispersible latex used in the present invention have it is shockproof, elasticity, it is waterproof, it is airtight the features such as.The advantages of high/low temperature patience, water stability and antifatigue durability.Light components of the SBR agent in it can absorb mortar after addition is stirred, itself expansion simultaneously, and then form stable netted connection, whole caking ability and good crack resistance are improved, the characteristic for causing mortar temperature-caused shrinkage because of the stress variation that temperature and humidity variation generates can be resisted by assigning mortar.The present invention solves current decorative mortar and is easy cracking, bonds the inadequate problem of dynamics.
Description
Technical field
A kind of building material field of the present invention, and in particular to preparation method of anti-cracking plastering mortar.
Background technology
Building mortar is most large one of the material of architectural engineering, plays bonding, liner and transmission in construction projects and answers
The effect of power.All surfaces for being applied to building and component surface and base material have protecting grassroots level concurrently and meet use and want
The mortar for asking effect, can be collectively referred to as decorative mortar（Also referred to as plastering mortar）.Decorative mortar is mainly used for benzene thin-coat plaster heat-insulation system
Cracking resistance protective layer outside middle insulating layer, also referred to as polymer Crack-resistance Front Mortar.According to the difference of decorative mortar function, can incite somebody to action
Decorative mortar is divided into common decorative mortar, decoration mortar and the decorative mortar with certain specific functions（Such as waterproof mortar, thermal insulation
Mortar, sound-absorbing mortar and acid resisting mortar etc.）.Good workability is required to decorative mortar, is easy to smear into uniform ground
Thin layer, convenient for construction.Should also there are higher cohesion, screed that should be able to be cohered with bottom surface securely, will not crack or fall off for a long time.
In wet environment or easily by external force site of action（Such as ground and dado）, should also have higher water resistance and intensity.
Such decorative mortar sold currently on the market generally uses cement, slag, flyash etc. for control cost
Mineral aggregate is made after being blended with high molecular polymers such as redispersable latex powder, cellulose ethers, thus product is caused to be easy out
It splits, bonding dynamics is inadequate, surface is not fine and smooth smooth enough, seriously affects the performance of building and beautiful industry.Therefore, one kind is produced
The decorative mortar for capableing of cracking resistance has the prodigious market demand.
Invention content
The technical problems to be solved by the invention：It is easy cracking for current decorative mortar, the inadequate problem of dynamics is bonded, carries
For a kind of preparation method of anti-cracking plastering mortar.
In order to solve the above technical problems, the present invention is using technical solution as described below：
A kind of anti-cracking plastering mortar includes following component, 120 ~ 140 parts of ordinary portland cements, 40 ~ 50 parts of quartz according to the mass fraction
Sand, 0.5 ~ 1 part of heavy calcium carbonate, 2 ~ 5 parts of styrene-butadiene copolymer, 4 ~ 8 part of half water paraffin, 60 ~ 80 parts of water, 1 ~ 3 part
Thickener, 0.4 ~ 0.7 part of surfactant, 2 ~ 4 parts of antifoaming agent, which is characterized in that further include 10 ~ 15 parts of hyaluronic acid iron cooperations
Object, 6 ~ 10 parts of modified redispersible latex powders；
The preparation method of the hyaluronic acid iron complex is：Take Sodium Hyaluronate in mass ratio 1：3 addition water, adjusting pH value 3 ~
4, the iron nitrate solution of Sodium Hyaluronate quality 25 ~ 35% is added, is stirred, is reacted at 20 ~ 25 DEG C, add hyaluronic acid
The sodium chloride for the absolute ethyl alcohol and Sodium Hyaluronate quality 10 ~ 15% that 2 ~ 3 times of sodium quality mixes, and extracts drying, obtains hyaluronic acid iron
Complex；
The preparation method of the modified redispersible latex powder is：According to the mass fraction, 2 ~ 5 parts of styrene butadiene copolymers are taken
Object, 0.5 ~ 1 part of calcium carbonate, 1 ~ 3 part of thickener, 2 ~ 3 parts of antifoaming agent, 0.4 ~ 0.7 part of surfactant, 0.2 ~ 0.5 part of OP-10,
60 ~ 80 parts of water, are put into reactor, and are heated to 50 ~ 60 DEG C, are stirred 50 ~ 60min, obtain material, take material in mass ratio
2：3 are added paraffin liquid, and 50 ~ 60min is stirred in 60 ~ 70 DEG C, are spray-dried to get modified redispersible latex powder.
The surfactant is sodium secondary alkyl sulfonate and neopelex in mass ratio 3:1 mixing.
The thickener is any one in hydroxyethyl cellulose, two kinds of polyacrylamide.
The antifoaming agent is any one in two kinds of Ju bis- Jia base Gui Yang Wan ﹑ silicone emulsions.
The preparation method of the anti-cracking plastering mortar includes the following steps：
（1）Include following component, 120 ~ 140 parts of ordinary portland cements, 40 ~ 50 parts of quartz sands, 60 ~ 80 parts of water, 1 ~ 3 according to the mass fraction
Part thickener, 2 ~ 4 parts of antifoaming agent, 10 ~ 15 parts of hyaluronic acid iron complexes, 6 ~ 10 parts of modified redispersible latex powders;
（2）To take ordinary portland cement and quartz sand that 30 ~ 40min is mixed, be added hyaluronic acid complex, thickener, antifoaming agent,
Modification can be mixed 50 ~ 60min, obtain anti-cracking plastering mortar in dispersed latex powder and water.
Compared with other methods, advantageous effects are the present invention：
（1）It is white amorphous solid that hyaluronic acid iron complex used, which is added, in the present invention, tasteless, there is very strong water imbibition, energy
Form the prodigious colloid of viscosity.Hydrophilic radical is in the parallel position of saccharide ring in matter acid complex molecule structure, and hydrophobic
Hydrogen atom then forms hydrophobic regions in the axial direction, due to the effect of hydrogen bond between strand monosaccharide, its strand is made spatially to be formed
The column type helical structure of rigidity so that water molecule layer thickness is reduced, but combination is more secured, can be effectively prevented from mixture
Difference between the evaporation rate of surface moisture and internal bleeding speed, caused by plastic cracking；In aqueous solution, hyalomitome
Sour iron complex strand is in the random coil structure of expansion, can also be tangled each other under lower concentration, is formed continuous
Three-dimensional net structure has unique rheological properties.Hydrone is fixed on the net of hyaluronan molecule formation by hydrogen bond
In network, not easily run off.Due to the presence of hyaluronic acid iron complex, the variation of temperature and humidity can be adjusted and answering for generating
Power preferably avoids drying property cracking.
（2）Modified redispersible latex used in the present invention have it is shockproof, elasticity, it is waterproof, it is airtight the features such as.High/low temperature
The advantages of patience, water stability and antifatigue durability.Lightweight group of the SBR agent in it can absorb mortar after addition is stirred
Point, while itself is expanded, and then stable netted connection is formed, whole caking ability and good crack resistance are improved, mortar is assigned
The characteristic for causing mortar temperature-caused shrinkage because of the stress variation that temperature and humidity variation generates can be resisted.
Specific implementation mode
Ordinary portland cement：It is purchased from Jiangsu Province Jiangning county magistrate mountain cement plant；Quartzy stone sand is purchased from：Henan Long Xingyuan water-purifying materials have
Limit company.
Styrene-butadiene copolymer：It is purchased from Shanghai Zhen Zhun biotechnologies company.
Heavy calcium carbonate：It is purchased from long Xinghua source powder body material Co., Ltd.
Sodium Hyaluronate：It is purchased from letter biomedical company of Tianjin Novi.
Hydroxyethyl cellulose, polyacrylamide：It is purchased from Hebei Chang Rong Chemical Co., Ltd.s.
Ju bis- Jia base Gui Yang Wan ﹑ silicone emulsions：It is purchased from Foshan Xin get Sai Materials Co., Ltd.
Latex powder：According to the mass fraction, take 2 ~ 5 parts of styrene-butadiene copolymer, 4 ~ 8 part of half water paraffin, 0.5 ~ 1 part
Calcium carbonate, 0.6 ~ 0.8 part of sodium secondary alkyl sulfonate, 0.2 ~ 0.4 part of neopelex, 0.2 ~ 0.5 part of OP-10,60 ~ 80 parts
Water, 1 ~ 3 part of thickener, 2 ~ 4 parts of antifoaming agent are put into reaction vessel together, open agitating device, and system is heated to 50 ~ 60
DEG C, resulting material is spare after being stirred 50 ~ 60min；By heating paraffin to melting, agitating device is opened, then presses material
Mass ratio 2：3 are added, and 60 ~ 70 DEG C of system constant temperature stirs 50-60min, SBR emulsion is made, and are made after material is sufficiently mixed uniformly
At lotion to be sprayed, then it is spray-dried to get the modified redispersible latex powder.
Hyaluronic acid iron complex：2 parts of Sodium Hyaluronates are dissolved in water, adjust reacting solution pH value 3 ~ 4, are added
0.01mol/L iron nitrate solutions, are stirred, and are reacted at 20 ~ 25 DEG C 3 ~ 5 hours, 3 parts of absolute ethyl alcohols, 1 part of chlorination is then added
Sodium extracts its product, and 25 ~ 30 DEG C of dry 30 ~ 50min obtain complex.
A kind of anti-cracking plastering mortar raw material includes that the raw material of following parts by weight is made：120 ~ 140 parts of ordinary portland cements, 40 ~ 50
Part quartz sand, 4 ~ 8 part of half water paraffin, 6 ~ 10 modified redispersible latex powders, 2 ~ 4 parts of antifoaming agent, 1 ~ 3 part of hydroxyethyl cellulose,
0.6 ~ 0.8 part of sodium secondary alkyl sulfonate, 0.2 ~ 0.4 part of neopelex, 10 ~ 15 parts of hyaluronic acid iron complexes, 2 ~ 5 parts
Styrene-butadiene copolymer, 60 ~ 80 parts of water.
A kind of preparation method of anti-cracking plastering mortar includes the following steps：
（1）Include following component, 120 ~ 140 parts of ordinary portland cements, 40 ~ 50 parts of quartz sands, 60 ~ 80 parts of water, 1 ~ 3 according to the mass fraction
Part thickener, 2 ~ 4 parts of antifoaming agent, 10 ~ 15 parts of hyaluronic acid iron complexes, 6 ~ 10 parts of modified redispersible latex powders;
（2）To take ordinary portland cement and quartz sand that 30 ~ 40min is mixed, be added hyaluronic acid complex, thickener, antifoaming agent,
Modification can be mixed 50 ~ 60min, obtain anti-cracking plastering mortar in dispersed latex powder and water.
Embodiment 1
Ordinary portland cement：It is purchased from Jiangsu Province Jiangning county magistrate mountain cement plant；Quartzy stone sand is purchased from：The limited public affairs of Henan Long Xingyuan water-purifying materials
Department.
Styrene-butadiene copolymer：It is purchased from Shanghai Zhen Zhun biotechnologies company.
Heavy calcium carbonate：It is purchased from long Xinghua source powder body material Co., Ltd.
Sodium Hyaluronate：It is purchased from letter biomedical company of Tianjin Novi.
Hydroxyethyl cellulose, polyacrylamide：It is purchased from Hebei Chang Rong Chemical Co., Ltd.s.
Ju bis- Jia base Gui Yang Wan ﹑ silicone emulsions：It is purchased from Foshan Xin get Sai Materials Co., Ltd.
Latex powder：According to the mass fraction, take 2 parts of styrene-butadiene copolymer, 4 part of half water paraffin, 0.5 part of calcium carbonate,
0.6 part of sodium secondary alkyl sulfonate, 0.2 part of neopelex, 0.2 part of OP-10,60 parts of water, 1 part of thickener, 2 parts of antifoaming agent
It puts into reaction vessel together, opens agitating device, and system is heated to 50 DEG C, resulting material is standby after being stirred 50min
With；By heating paraffin to melting, agitating device is opened, then by material in mass ratio 2：3 are added, 60 DEG C of system constant temperature, stirring
SBR emulsion is made in 50min, and lotion to be sprayed is made after material is sufficiently mixed uniformly, is then spray-dried to get institute
The modified redispersible latex powder stated.
Hyaluronic acid iron complex：2 parts of Sodium Hyaluronates are dissolved in water, adjust reacting solution pH value 3,0.01mol/ is added
L iron nitrate solutions, are stirred, and are reacted at 20 DEG C 3 hours, 3 parts of absolute ethyl alcohols are then added, 1 part of sodium chloride extracts its product
It takes out, 25 DEG C of dry 30min obtain complex.
A kind of anti-cracking plastering mortar raw material includes that the raw material of following parts by weight is made：120 parts of ordinary portland cements, 40 parts of quartz
Sand, 4 part of half water paraffin, 6 modified redispersible latex powders, 2 parts of antifoaming agent, 1 part of hydroxyethyl cellulose, 0.6 part of secondary alkyl sulfonic acid
Sodium, 0.2 part of neopelex, 10 parts of hyaluronic acid iron complexes, 2 parts of styrene-butadiene copolymer, 60 parts of water.
A kind of preparation method of anti-cracking plastering mortar includes the following steps：
（1）According to the mass fraction include following component, 120 parts of ordinary portland cements, 40 parts of quartz sands, 60 parts of water, 1 part of thickener, 2 parts
Antifoaming agent, 10 parts of hyaluronic acid iron complexes, 6 parts of modified redispersible latex powders;
（2）It will take ordinary portland cement and quartz sand that 30min is mixed, hyaluronic acid complex is added, thickener, antifoaming agent, changes
Property can in dispersed latex powder and water, be mixed 50min, obtain anti-cracking plastering mortar.
Embodiment 2
Ordinary portland cement：It is purchased from Jiangsu Province Jiangning county magistrate mountain cement plant；Quartzy stone sand is purchased from：The limited public affairs of Henan Long Xingyuan water-purifying materials
Department.
Styrene-butadiene copolymer：It is purchased from Shanghai Zhen Zhun biotechnologies company.
Heavy calcium carbonate：It is purchased from long Xinghua source powder body material Co., Ltd.
Sodium Hyaluronate：It is purchased from letter biomedical company of Tianjin Novi.
Hydroxyethyl cellulose, polyacrylamide：It is purchased from Hebei Chang Rong Chemical Co., Ltd.s.
Ju bis- Jia base Gui Yang Wan ﹑ silicone emulsions：It is purchased from Foshan Xin get Sai Materials Co., Ltd.
Latex powder：According to the mass fraction, take 5 parts of styrene-butadiene copolymer, 8 part of half water paraffin, 1 part of calcium carbonate,
0.8 part of sodium secondary alkyl sulfonate, 0.4 part of neopelex, 0.5 part of OP-10,80 parts of water, 3 parts of thickeners, 4 parts of antifoaming agent
It puts into reaction vessel together, opens agitating device, and system is heated to 60 DEG C, resulting material is standby after being stirred 60min
With；By heating paraffin to melting, agitating device is opened, then by material in mass ratio 2：3 are added, 70 DEG C of system constant temperature, stirring
SBR emulsion is made in 60min, and lotion to be sprayed is made after material is sufficiently mixed uniformly, is then spray-dried to get institute
The modified redispersible latex powder stated.
Hyaluronic acid iron complex：2 parts of Sodium Hyaluronates are dissolved in water, adjust reacting solution pH value 4,0.01mol/ is added
L iron nitrate solutions, are stirred, and are reacted at 25 DEG C 5 hours, 3 parts of absolute ethyl alcohols are then added, 1 part of sodium chloride extracts its product
It takes out, 30 DEG C of dry 50min obtain complex.
A kind of anti-cracking plastering mortar raw material includes that the raw material of following parts by weight is made：140 parts of ordinary portland cements, 50 parts of quartz
Sand, 8 part of half water paraffin, 10 modified redispersible latex powders, 4 parts of antifoaming agent, 3 parts of hydroxyethyl celluloses, 0.8 part of secondary alkyl sulphur
Sour sodium, 0.4 part of neopelex, 15 parts of hyaluronic acid iron complexes, 5 parts of styrene-butadiene copolymer, 80 parts
Water.
A kind of preparation method of anti-cracking plastering mortar includes the following steps：
（1）According to the mass fraction include following component, 140 parts of ordinary portland cements, 50 parts of quartz sands, 80 parts of water, 3 parts of thickeners, 4 parts
Antifoaming agent, 15 parts of hyaluronic acid iron complexes, 10 parts of modified redispersible latex powders;
（2）It will take ordinary portland cement and quartz sand that 40min is mixed, hyaluronic acid complex is added, thickener, antifoaming agent, changes
Property can in dispersed latex powder and water, be mixed 60min, obtain anti-cracking plastering mortar.
Embodiment 3
Ordinary portland cement：It is purchased from Jiangsu Province Jiangning county magistrate mountain cement plant；Quartzy stone sand is purchased from：The limited public affairs of Henan Long Xingyuan water-purifying materials
Department.
Styrene-butadiene copolymer：It is purchased from Shanghai Zhen Zhun biotechnologies company.
Heavy calcium carbonate：It is purchased from long Xinghua source powder body material Co., Ltd.
Sodium Hyaluronate：It is purchased from letter biomedical company of Tianjin Novi.
Hydroxyethyl cellulose, polyacrylamide：It is purchased from Hebei Chang Rong Chemical Co., Ltd.s.
Ju bis- Jia base Gui Yang Wan ﹑ silicone emulsions：It is purchased from Foshan Xin get Sai Materials Co., Ltd.
Latex powder：According to the mass fraction, take 3 parts of styrene-butadiene copolymer, 6 part of half water paraffin, 0.7 part of calcium carbonate,
0.7 part of sodium secondary alkyl sulfonate, 0.3 part of neopelex, 0.4 part of OP-10,70 parts of water, 2 parts of thickeners, 3 parts of antifoaming agent
It puts into reaction vessel together, opens agitating device, and system is heated to 55 DEG C, resulting material is standby after being stirred 55min
With；By heating paraffin to melting, agitating device is opened, then by material in mass ratio 2：3 are added, 65 DEG C of system constant temperature, stirring
SBR emulsion is made in 55min, and lotion to be sprayed is made after material is sufficiently mixed uniformly, is then spray-dried to get institute
The modified redispersible latex powder stated.
Hyaluronic acid iron complex：2 parts of Sodium Hyaluronates are dissolved in water, adjust reacting solution pH value 3,0.01mol/ is added
L iron nitrate solutions, are stirred, and are reacted at 23 DEG C 4 hours, 3 parts of absolute ethyl alcohols are then added, 1 part of sodium chloride extracts its product
It takes out, 27 DEG C of dry 40min obtain complex.
A kind of anti-cracking plastering mortar raw material includes that the raw material of following parts by weight is made：130 parts of ordinary portland cements, 45 parts of quartz
Sand, 6 part of half water paraffin, 8 modified redispersible latex powders, 3 parts of antifoaming agent, 2 parts of hydroxyethyl celluloses, 0.7 part of secondary alkyl sulfonic acid
Sodium, 0.3 part of neopelex, 13 parts of hyaluronic acid iron complexes, 4 parts of styrene-butadiene copolymer, 70 parts of water.
A kind of preparation method of anti-cracking plastering mortar includes the following steps：
（1）According to the mass fraction include following component, 130 parts of ordinary portland cements, 45 parts of quartz sands, 70 parts of water, 2 parts of thickeners, 3 parts
Antifoaming agent, 13 parts of hyaluronic acid iron complexes, 7 parts of modified redispersible latex powders;
（2）It will take ordinary portland cement and quartz sand that 35min is mixed, hyaluronic acid complex is added, thickener, antifoaming agent, changes
Property can in dispersed latex powder and water, be mixed 55min, obtain anti-cracking plastering mortar.
Comparative example 1：It is essentially identical with the preparation method of embodiment 2, it has only the difference is that lacking hyaluronic acid iron complex.
Comparative example 2：It is essentially identical with the preparation method of embodiment 2, it has only the difference is that lacking modified redispersible latex
Powder.
Comparative example 3：The decorative mortar of Nanjing company production.
Mortar made from embodiment and comparative example is subjected to performance detection respectively, specific test method is with reference to JC/T984-
2011.Test result is as shown in table 1.
Table 1：
In summary, decorative mortar of the invention is not easy to crack, and comprehensive performance is superior to commercial product, and being worth promoting makes
With.
Claims (5)
1. a kind of anti-cracking plastering mortar includes following component, 120 ~ 140 parts of ordinary portland cements, 40 ~ 50 parts of quartz according to the mass fraction
Sand, 0.5 ~ 1 part of heavy calcium carbonate, 2 ~ 5 parts of styrene-butadiene copolymer, 4 ~ 8 part of half water paraffin, 60 ~ 80 parts of water, 1 ~ 3 part
Thickener, 0.4 ~ 0.7 part of surfactant, 2 ~ 4 parts of antifoaming agent, which is characterized in that further include 10 ~ 15 parts of hyaluronic acid iron cooperations
Object, 6 ~ 10 parts of modified redispersible latex powders；
The preparation method of the hyaluronic acid iron complex is：Take Sodium Hyaluronate in mass ratio 1：3 addition water, adjusting pH value 3 ~
4, the iron nitrate solution of Sodium Hyaluronate quality 25 ~ 35% is added, is stirred, is reacted at 20 ~ 25 DEG C, add hyaluronic acid
The sodium chloride for the absolute ethyl alcohol and Sodium Hyaluronate quality 10 ~ 15% that 2 ~ 3 times of sodium quality mixes, and extracts drying, obtains hyaluronic acid iron
Complex；
The preparation method of the modified redispersible latex powder is：According to the mass fraction, 2 ~ 5 parts of styrene butadiene copolymers are taken
Object, 0.5 ~ 1 part of calcium carbonate, 1 ~ 3 part of thickener, 2 ~ 3 parts of antifoaming agent, 0.4 ~ 0.7 part of surfactant, 0.2 ~ 0.5 part of OP-10,
60 ~ 80 parts of water, are put into reactor, and are heated to 50 ~ 60 DEG C, are stirred 50 ~ 60min, obtain material, take material in mass ratio
2：3 are added paraffin liquid, and 50 ~ 60min is stirred in 60 ~ 70 DEG C, are spray-dried to get modified redispersible latex powder.
2. anti-cracking plastering mortar according to claim 1, which is characterized in that the surfactant be sodium secondary alkyl sulfonate and
Neopelex in mass ratio 3:1 mixing.
3. anti-cracking plastering mortar according to claim 1, which is characterized in that the thickener is hydroxyethyl cellulose, poly- third
Any one in two kinds of acrylamide.
4. anti-cracking plastering mortar according to claim 1, which is characterized in that the antifoaming agent is polydimethylsiloxanes
Any one in two kinds of Wan ﹑ silicone emulsions.
5. a kind of preparation method of the anti-cracking plastering mortar as described in claim 1 ~ 4 any one, which is characterized in that the preparation side
Method includes the following steps：
（1）Include following component, 120 ~ 140 parts of ordinary portland cements, 40 ~ 50 parts of quartz sands, 60 ~ 80 parts of water, 1 ~ 3 according to the mass fraction
Part thickener, 2 ~ 4 parts of antifoaming agent, 10 ~ 15 parts of hyaluronic acid iron complexes, 6 ~ 10 parts of modified redispersible latex powders;
（2）To take ordinary portland cement and quartz sand that 30 ~ 40min is mixed, be added hyaluronic acid complex, thickener, antifoaming agent,
Modification can be mixed 50 ~ 60min, obtain anti-cracking plastering mortar in dispersed latex powder and water.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679136A (en) * | 2021-03-16 | 2021-04-20 | 广东博智林机器人有限公司 | Water-retaining agent and preparation method thereof, ceramic tile glue and preparation method thereof |
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| CN104513042A (en) * | 2013-09-27 | 2015-04-15 | 青岛兴国涂料有限公司 | External heat-insulation polystyrene insulation board dry powder mortar system |
| CN105330226A (en) * | 2014-08-07 | 2016-02-17 | 天津市高光涂料有限公司 | Plastering crack-resistant waterproof mortar |
| CN105271961A (en) * | 2015-05-19 | 2016-01-27 | 连云港松彬建筑材料有限公司 | Coating mortar |
| CN105601209A (en) * | 2016-04-10 | 2016-05-25 | 欧振云 | Crack-resistant plastering mortar |
| CN106082936A (en) * | 2016-06-13 | 2016-11-09 | 马鞍山市金韩防水保温工程有限责任公司 | A kind of exterior wall desulfurization oil cinder thermal insulation mortar and preparation method thereof |
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| CN112679136A (en) * | 2021-03-16 | 2021-04-20 | 广东博智林机器人有限公司 | Water-retaining agent and preparation method thereof, ceramic tile glue and preparation method thereof |
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Application publication date: 20180821 |