CN103864337A - Mortar plasticizer - Google Patents
Mortar plasticizer Download PDFInfo
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- CN103864337A CN103864337A CN201410047757.6A CN201410047757A CN103864337A CN 103864337 A CN103864337 A CN 103864337A CN 201410047757 A CN201410047757 A CN 201410047757A CN 103864337 A CN103864337 A CN 103864337A
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Abstract
The present invention discloses a mortar plasticizer. The mortar plasticizer comprises the following components by weight percent: air-entraining agent 25-40%, water reducer 10-20%, anti-cracking agent, 2-8%, enhancer 2-8%, retarder 2-8%, water-retaining agent 1-5% and the balance of water. The mortar plasticizer disclosed by the invention has greatly increased compressive strength and bond strength.
Description
Technical field
The present invention relates to building mortar technical field, be specifically related to a kind of mortar plasticizer.
Background technology
Mortar plasticizer is a kind of multi-functional masonry mortar special additive, can improve mortar ultimate compression strength and anti-permeability performance, and reduction engineering cost, raising construction quality are had to unusual effect, and therefore, mortar plasticizer is more and more extensive in the application of building mortar industry.
At present, existing mortar plasticizer is pulvis, in process for processing and transportation, there is a large amount of airborne dusts, be unfavorable for environment protection, and use the building mortar that mortar plasticizer of the prior art is mixed with also to have following problem: to be that mortar strength is inadequate on the one hand, after sand finish, to be prone to the phenomenon of cracking; The bonding dynamics that is on the other hand mortar is inadequate, is prone to the phenomenon that mortar comes off in the time of sand finish, has a strong impact on the quality of sand finish.Mortar plasticizer plays very important effect to the performance of mortar, therefore, works out a kind of mortar plasticizer that can solve the problems of the technologies described above and has very important significance.
Summary of the invention
The object of the invention is to overcome above shortcoming, a kind of mortar plasticizer that can improve mortar ultimate compression strength and cohesive strength is provided.
Technical scheme of the present invention is:
A kind of mortar plasticizer, the component of described softening agent and the weight percent of each component are as follows: air entrapment agent: 25-40%; Water reducer: 10-20%; Anti-fissuring agent: 2-8%; Toughener: 2-8%; Retardant: 2-8%; Water-holding agent: 1-5%; Water: surplus.
Further, the component of described softening agent and the weight percent of each component are as follows: air entrapment agent: 28-32%; Water reducer: 14-16%; Anti-fissuring agent: 4-6%; Toughener: 4-6%; Retardant: 4-6%; Water-holding agent: 1-2%; Water: surplus.
Further, described air entrapment agent is at least one class material in alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol Nitrates, rosin derivative, triterpene soap class.
Further, described alkyl and alkylated aromatic sulfonic acid salt comprise at least one in dodecane sulfonate, alkylbenzene sulfonate, polyoxyethylene alkylphenol ether class.
Further, described fatty alcohol Nitrates comprises at least one in fatty alcohol-polyoxyethylene ether, aliphatic alcohol polyethenoxy sodium sulfonate, sodium alkyl sulfate.
Further, described water reducer is at least one in polycarboxylic acid salt, naphthalenesulfonate formaldehyde condensation compound, sulfonated lignin, Ppolynuclear aromatic sulfonate and formaldehyde condenses, aliphatic category, sulfamate.
Further, described anti-fissuring agent is at least one in lignocellulose, filamentary material, redispersible latex powder.
Further, described toughener is at least one in chlorate, vitriol, nitrate, carbonate, trolamine, tri-isopropanolamine, formate, acetate.
Further, described retardant is at least one in Sunmorl N 60S, sucrose, borax, citric acid, Sodium hexametaphosphate 99, tripoly phosphate sodium STPP.
Further, described water-holding agent is at least one in non-ionic celluloses ether, starch ethers, dextrin, Natvosol.
The application of mortar plasticizer in sand-cement slurry, the addition of described mortar plasticizer is the 0.03-0.07% of cement dosage.
Mortar plasticizer provided by the invention, tool has the following advantages:
1, mortar plasticizer provided by the invention, can improve ultimate compression strength and the cohesive strength of mortar.In mortar plasticizer provided by the invention, have with air entrapment agent, water reducer, anti-fissuring agent, toughener, retardant and water-holding agent, wherein, air entrapment agent is in mortar whipping process, can introduce the micro-bubble being evenly distributed in a large number, reduce the surface tension of water distribution of withering in mortar, thereby improve the workability of mortar, the bleeding and the layering that alleviate mortar; Water reducer adds after mortar, water reducer molecular orientation is adsorbed in the cement particle surface in mortar, make cement particle surface with same electric charge, form electrostatic repulsion, impel cement granules mutually to disperse, flucculation structure is destroyed, thereby effectively improves mobility and the intensity of mortar, and weather resistance; Anti-fissuring agent is incorporated into the crack problem that can effectively control mortar plastic shrinkage and segregation generation in cement, and minimizing mortar, at cracking and the hollowing in plastic stage and later stage, improves the adhesive property of mortar; Toughener can improve early strength and the later strength of mortar, makes up the loss of strength that bleed brings; Retardant regulates operable time and the time of coagulation of mortar according to temperature; Water-holding agent can improve the water retention property of mortar, reduces the cohesiveness that ftractures and improve mortar.Mortar plasticizer provided by the invention, by each component is coordinated according to a certain percentage, between composition, mutually promote, thereby make mortar there is good ultimate compression strength and cohesive strength, after testing, mortar plasticizer provided by the invention, is applied in sand-cement slurry, sand-cement slurry 14d tensile bond strength is more than or equal to 0.41, far beyond the requirement of industry standard in this area and national standard; The 7d ultimate compression strength of mortar is more than or equal to 106% of base mortar intensity, and the 28d ultimate compression strength of mortar is more than or equal to base mortar intensity 118%, and ultimate compression strength is far longer than the requirement of industry standard and national standard in this area.
2, mortar plasticizer provided by the invention, in component, contain a large amount of air entrapment agents, air entrapment agent can improve the workability of mortar, thereby the phenomenon of having eliminated mortar bleeding and having sunk to the bottom, mortar become be rich in plasticity and make operation more smooth and easy, improve the progress that mortar is built by laying bricks or stones, shortened the duration, saved cost.
3, mortar plasticizer provided by the invention, by improving the formula of mortar, makes mortar have good retarding performance, and according to detection, time of coagulation is poor is 16min, meets the requirement of industry standard and national standard in this area.
4, mortar plasticizer provided by the invention, is water aqua type softening agent, has eliminated the problem of the airborne dust of traditional pulvis mortar plasticizer, has solved the problem of environmental pollution that in construction work, bring because of softening agent working-yard; Meanwhile, water aqua type mortar plasticizer in use, can be used bottle cap quick metering, and its metering is comparatively accurate.
5, mortar plasticizer provided by the invention, use cost is low.Water aqua type mortar plasticizer provided by the invention, has good ultimate compression strength and cohesive strength, and in use, the addition of mortar plasticizer is the 0.03-0.07% of cement dosage, and usage quantity is less, and cost is lower, thereby has reduced the cost of preparation sand-cement slurry.
Embodiment
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 25 | 18 | 5 | 8 | 3 | 2 | 39 |
| Weight percent (%) | 25 | 18 | 5 | 8 | 3 | 2 | 39 |
In above-mentioned mortar plasticizer, air entrapment agent is alkyl and alkylated aromatic sulfonic acid salts substances, can be one or more in dodecane sulfonate, alkylbenzene sulfonate, polyoxyethylene alkylphenol ether class;
Water reducer is polycarboxylic acid salt's material;
Anti-fissuring agent is lignocellulose;
Toughener is chlorate, can be sodium-chlor, Repone K etc.;
Retardant is Sunmorl N 60S;
Water-holding agent is non-ionic celluloses ether.
Above-mentioned mortar plasticizer is applied in mortar, and the preparation method of mortar can be artificial mixing, can be also mechanically mixing, wherein, when hand mixing, softening agent is mixed in proportion with, then with mortar mix and blend; The technique of mechanically mixing is as follows:
While adopting vertical, horizontal mixer mixing program: start first drops into part sand and above-mentioned softening agent, after stirring, then drops into cement and all the other sand, stirs 3-5 minute.
While adopting drum mixer mixing program: by dry mixing in softening agent agent input cement, sand 1 minute, then fill up water stirring 3-5 minute.
In use, the addition of mortar plasticizer is the 0.03-0.07% of cement dosage, and while stirring mortar first, plasticizer consumption doubles.And apply mortar plasticizer configuration sand-cement slurry of the present invention, mortar is answered diminishing 20% left and right.The addition of mortar plasticizer can be 0.03%, 0.04%, 0.05%, 0.06%, 0.07% of cement dosage, when use, according to the material adaptation of working-yard, determines rational proportioning.
Mortar plasticizer provided by the invention is liquid, can eliminate the problem of common powdery mortar plasticizer airborne dust; And can pass through bottle cap quick metering, guarantee the accuracy of mortar plasticizer dosage.
Embodiment 2
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 27 | 20 | 2 | 3 | 7 | 1 | 40 |
| Weight percent (%) | 27 | 20 | 2 | 3 | 7 | 1 | 40 |
In above-mentioned mortar plasticizer, air entrapment agent is fatty alcohol Nitrates material, and wherein, this fatty alcohol Nitrates material is fatty alcohol-polyoxyethylene ether;
Water reducer is naphthalenesulfonate formaldehyde condensation compound;
Anti-fissuring agent is filamentary material;
Toughener is vitriol, nitrate;
Retardant is sucrose, borax;
Water-holding agent is starch ethers.
Embodiment 3
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 38 | 12 | 8 | 4 | 5 | 3 | 30 |
| Weight percent (%) | 38 | 12 | 8 | 4 | 5 | 3 | 30 |
In above-mentioned mortar plasticizer, air entrapment agent is rosin derivative, and rosin derivative can be the material such as colophonium pyrolytic polymer, rosined soap class;
Water reducer is sulfonated lignin and sulfamate;
Anti-fissuring agent is redispersible latex powder;
Toughener is trolamine, tri-isopropanolamine;
Retardant is Sodium hexametaphosphate 99, tripoly phosphate sodium STPP;
Water-holding agent is Natvosol.
Embodiment 4
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 40 | 14 | 4 | 5 | 8 | 4 | 25 |
| Weight percent (%) | 40 | 14 | 4 | 5 | 8 | 4 | 25 |
In above-mentioned mortar plasticizer, air entrapment agent is triterpene soap-like matter;
Water reducer is Ppolynuclear aromatic sulfonate and formaldehyde condenses;
Anti-fissuring agent is lignocellulose, filamentary material;
Toughener is formate, acetate;
Retardant is citric acid;
Water-holding agent is dextrin.
Embodiment 5
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 30 | 10 | 6 | 2 | 6 | 5 | 41 |
| Weight percent (%) | 30 | 10 | 6 | 2 | 6 | 5 | 41 |
In above-mentioned mortar plasticizer, air entrapment agent is alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol Nitrates material, and wherein, alkyl and alkylated aromatic sulfonic acid salts substances are alkylbenzene sulfonate, and fatty alcohol Nitrates material is aliphatic alcohol polyethenoxy sodium sulfonate;
Water reducer is aliphatic category material;
Anti-fissuring agent is lignocellulose, redispersible latex powder;
Toughener is chlorate, vitriol, nitrate, carbonate;
Retardant is Sunmorl N 60S, sucrose, citric acid;
Water-holding agent is non-ionic celluloses ether, starch ethers.
Embodiment 6
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 36 | 16 | 3 | 6 | 2 | 2.5 | 34.5 |
| Weight percent (%) | 36 | 16 | 3 | 6 | 2 | 2.5 | 34.5 |
In above-mentioned mortar plasticizer, air entrapment agent is alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol Nitrates material, and wherein, alkyl and alkylated aromatic sulfonic acid salts substances are polyoxyethylene alkylphenol ether class, and fatty alcohol Nitrates material is sodium alkyl sulfate;
Water reducer is polycarboxylic acid salt, naphthalenesulfonate formaldehyde condensation compound;
Anti-fissuring agent is lignocellulose, filamentary material, redispersible latex powder;
Toughener is trolamine, tri-isopropanolamine, formate, acetate;
Retardant is borax, citric acid, Sodium hexametaphosphate 99;
Water-holding agent is starch ethers, dextrin.
Embodiment 7
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 28 | 15 | 6 | 5 | 4 | 1 | 41 |
| Weight percent (%) | 28 | 15 | 6 | 5 | 4 | 1 | 41 |
In above-mentioned mortar plasticizer, air entrapment agent is fatty alcohol Nitrates, rosin derivative, and wherein, fatty alcohol Nitrates material is fatty alcohol-polyoxyethylene ether, aliphatic alcohol polyethenoxy sodium sulfonate;
Water reducer is sulfamate;
Anti-fissuring agent is filamentary material, redispersible latex powder;
Toughener is carbonate, trolamine;
Retardant is tripoly phosphate sodium STPP;
Water-holding agent is non-ionic celluloses ether, Natvosol.
Embodiment 8
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 30 | 16 | 4 | 4.7 | 6 | 2 | 37.3 |
| Weight percent (%) | 30 | 16 | 4 | 4.7 | 6 | 2 | 37.3 |
In above-mentioned mortar plasticizer, air entrapment agent is alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol Nitrates, rosin derivative material, and wherein, alkyl and alkylated aromatic sulfonic acid salt are dodecane sulfonate, alkylbenzene sulfonate; Fatty alcohol Nitrates material is fatty alcohol-polyoxyethylene ether, aliphatic alcohol polyethenoxy sodium sulfonate; Rosin derivative is colophonium pyrolytic polymer
Water reducer is naphthalenesulfonate formaldehyde condensation compound, Ppolynuclear aromatic sulfonate and formaldehyde condenses;
Anti-fissuring agent is lignocellulose;
Toughener is tri-isopropanolamine, formate;
Retardant is sucrose, borax;
Water-holding agent is non-ionic celluloses ether, starch ethers, dextrin.
Embodiment 9
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 32 | 14 | 4.3 | 6 | 5 | 1.5 | 37.2 |
| Weight percent (%) | 32 | 14 | 4.3 | 6 | 5 | 1.5 | 37.2 |
In above-mentioned mortar plasticizer, air entrapment agent is alkyl and alkylated aromatic sulfonic acid salt, triterpene soap-like matter, and wherein, alkyl and alkylated aromatic sulfonic acid salt are alkylbenzene sulfonate, polyoxyethylene alkylphenol ether;
Water reducer is sulfonated lignin, sulfamate;
Anti-fissuring agent is lignocellulose, filamentary material, redispersible latex powder;
Toughener is chlorate, vitriol, trolamine, formate;
Retardant is citric acid, Sodium hexametaphosphate 99, tripoly phosphate sodium STPP;
Water-holding agent is non-ionic celluloses ether, starch ethers.
Embodiment 10
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 29 | 14.5 | 5 | 4 | 5.5 | 1.2 | 40.8 |
| Weight percent (%) | 29 | 14.5 | 5 | 4 | 5.5 | 1.2 | 40.8 |
In above-mentioned mortar plasticizer, air entrapment agent is the mixture of alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol Nitrates, rosin derivative, triterpene soap class, wherein, alkyl and alkylated aromatic sulfonic acid salt are dodecane sulfonate, alkylbenzene sulfonate, polyoxyethylene alkylphenol ether; Fatty alcohol Nitrates is fatty alcohol-polyoxyethylene ether; Rosin derivative is rosined soap class;
Water reducer is aliphatic category, sulfamate;
Anti-fissuring agent is lignocellulose;
Toughener is chlorate, formate, acetate;
Retardant is citric acid;
Water-holding agent is non-ionic celluloses ether.
Embodiment 11
The component of mortar plasticizer and the weight percent of each component following (gross weight is: 100kg):
| Component | Air entrapment agent | Water reducer | Anti-fissuring agent | Toughener | Retardant | Water-holding agent | Water |
| Weight (Kg) | 31 | 15.6 | 5.8 | 5.2 | 4.3 | 1.8 | 36.3 |
| Weight percent (%) | 31 | 15.6 | 5.8 | 5.2 | 4.3 | 1.8 | 36.3 |
In above-mentioned mortar plasticizer, air entrapment agent is fatty alcohol Nitrates material, and wherein, fatty alcohol Nitrates is fatty alcohol-polyoxyethylene ether, aliphatic alcohol polyethenoxy sodium sulfonate;
Water reducer is polycarboxylic acid salt, aliphatic category, sulfamate;
Anti-fissuring agent is redispersible latex powder;
Toughener is vitriol, nitrate;
Retardant is sucrose, borax;
Water-holding agent is Natvosol.
Mortar plasticizer in above-described embodiment is applied in sand-cement slurry, measures according to the testing method in JG/T164-2004, GB50164-92 standard, the experimental data obtaining is as follows:
By the composition of each mortar plasticizer in above-described embodiment, and detect after experimental data known, the sand-cement slurry that mortar plasticizer provided by the invention prepares, indices all meets industry standard and the national standard in this area, excellent property.Wherein, the ultimate compression strength (getting up early intensity and later strength) of sand-cement slurry and the index of 14d tensile bond strength are far longer than industry standard and national standard, particularly in embodiment 7,8,9,10,11, because composition and content to mortar plasticizer are optimized, the ultimate compression strength of sand-cement slurry and tensile bond strength performance have obtained further optimization.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing, be equal to replacement etc., within all should being included in protection scope of the present invention in protection scope of the present invention.
Claims (11)
1. a mortar plasticizer, is characterized in that, the component of described softening agent and the weight percent of each component are as follows:
Air entrapment agent: 25-40%;
Water reducer: 10-20%;
Anti-fissuring agent: 2-8%;
Toughener: 2-8%;
Retardant: 2-8%;
Water-holding agent: 1-5%;
Water: surplus.
2. mortar plasticizer according to claim 1, is characterized in that, the component of described softening agent and the weight percent of each component are as follows:
Air entrapment agent: 28-32%;
Water reducer: 14-16%;
Anti-fissuring agent: 4-6%;
Toughener: 4-6%;
Retardant: 4-6%;
Water-holding agent: 1-2%;
Water: surplus.
3. mortar plasticizer according to claim 1, is characterized in that, described air entrapment agent is at least one class material in alkyl and alkylated aromatic sulfonic acid salt, fatty alcohol Nitrates, rosin derivative, triterpene soap class.
4. mortar plasticizer according to claim 3, is characterized in that, described alkyl and alkylated aromatic sulfonic acid salt comprise at least one in dodecane sulfonate, alkylbenzene sulfonate, polyoxyethylene alkylphenol ether class.
5. mortar plasticizer according to claim 3, is characterized in that, described fatty alcohol Nitrates comprises at least one in fatty alcohol-polyoxyethylene ether, aliphatic alcohol polyethenoxy sodium sulfonate, sodium alkyl sulfate.
6. mortar plasticizer according to claim 1, it is characterized in that, described water reducer is at least one in polycarboxylic acid salt, naphthalenesulfonate formaldehyde condensation compound, sulfonated lignin, Ppolynuclear aromatic sulfonate and formaldehyde condenses, aliphatic category, sulfamate.
7. mortar plasticizer according to claim 1, is characterized in that, described anti-fissuring agent is at least one in lignocellulose, filamentary material, redispersible latex powder.
8. mortar plasticizer according to claim 1, is characterized in that, described toughener is at least one in chlorate, vitriol, nitrate, carbonate, trolamine, tri-isopropanolamine, formate, acetate.
9. mortar plasticizer according to claim 1, is characterized in that, described retardant is at least one in Sunmorl N 60S, sucrose, borax, citric acid, Sodium hexametaphosphate 99, tripoly phosphate sodium STPP.
10. mortar plasticizer according to claim 1, is characterized in that, described water-holding agent is at least one in non-ionic celluloses ether, starch ethers, dextrin, Natvosol.
The application of mortar plasticizer in 11. 1 kinds of claim 1-10 described in any one in sand-cement slurry, the addition of described mortar plasticizer is the 0.03-0.07% of cement dosage.
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| CN104119023A (en) * | 2014-06-25 | 2014-10-29 | 芜湖市三兴混凝土外加剂有限公司 | High-efficiency delayed coagulation water reducing agent |
| CN104119020A (en) * | 2014-06-25 | 2014-10-29 | 芜湖市三兴混凝土外加剂有限公司 | Retarding water-reducing crack arresting agent |
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| CN104119021A (en) * | 2014-06-25 | 2014-10-29 | 芜湖市三兴混凝土外加剂有限公司 | High-efficiency water-reducing agent |
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