CN111777366A - Masonry mortar and preparation method thereof - Google Patents
Masonry mortar and preparation method thereof Download PDFInfo
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- CN111777366A CN111777366A CN202010682339.XA CN202010682339A CN111777366A CN 111777366 A CN111777366 A CN 111777366A CN 202010682339 A CN202010682339 A CN 202010682339A CN 111777366 A CN111777366 A CN 111777366A
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- waste paper
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- masonry mortar
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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
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/30—Oxides other than silica
- C04B14/305—Titanium oxide, e.g. titanates
-
- 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
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/241—Paper, e.g. waste paper; Paper pulp
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2111/52—Sound-insulating materials
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses masonry mortar and a preparation method thereof, wherein the masonry mortar comprises the following components in parts by weight: 1-5 parts of modified waste paper fiber-titanium dioxide composite material with a nano hollow structure, 15-55 parts of cement, 30-80 parts of graded sand, 0-8 parts of mineral admixture, 0.5-5 parts of water-retaining thickening material and 1-3 parts of water reducing agent. The invention also discloses a preparation method of the masonry mortar. The masonry mortar disclosed by the invention has the advantages that the early shrinkage is slowed down and the volume stability is improved through the crack bridging effect of the modified waste paper fibers; the masonry mortar also has light dead weight, excellent anti-permeability performance, improved compression-fracture ratio and improved toughness; the water in the modified waste paper fiber is released, so that the later stage cement hydration is promoted. In addition, the sound insulation board has good anti-permeability performance and certain sound insulation effect.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to masonry mortar with excellent volume stability and a preparation method thereof.
Background
Building materials have not only structural action but also functionality that is increasingly well recognized. With the improvement of living standard of people, people have higher and higher requirements on living places. When traditional masonry mortar is adopted for masonry, people often hear sound transmitted from a distance in a building, particularly sound transmission through a solid building is particularly obvious, the sound insulation effect of the traditional building is poor, and the user experience effect is poor when people are often in an intermittent noise environment. The traditional masonry mortar has large shrinkage and poor volume stability. It has been found that the porous fibrous material, in addition to absorbing airborne sound, also dampens vibrations caused by structure-borne sound and airborne sound. The porous material is filled into the cement-based material, so that the sound insulation capability can be improved, the structure weight can be reduced, the floor slab bearing can be reduced, the shrinkage can be reduced, and the volume stability can be improved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide masonry mortar with excellent volume stability, which is prepared by preparing waste paper fibers, a dispersing agent and an alkyl surface modifier into modified waste paper fibers, adding a nano titanium dioxide reinforcing material to obtain a modified waste paper fiber-titanium dioxide composite structure, uniformly mixing the modified waste paper fiber-titanium dioxide composite structure with water, and adding other component materials of the mortar, such as cement, graded sand, a mineral admixture, a water-retaining thickening material and a water reducing agent. The sound absorption of the mortar is improved, the density is reduced, the shrinkage is reduced, and good effects of reducing the bearing of the floor slab, cutting off the noise propagation path and improving the comfort level of people are achieved. The masonry mortar overcomes the defects of poor sound insulation performance, poor impermeability, low compression-fracture ratio, easy cracking, poor volume stability and the like of the traditional masonry mortar, and can be used for ground leveling and base leveling. The masonry mortar with excellent performance has good construction performance and wide application prospect in the field of decoration of buildings and structures.
Another object of the present invention is to provide a method for producing the masonry mortar excellent in volume stability.
In order to achieve the purpose, the invention adopts the following technical scheme:
the masonry mortar with excellent volume stability comprises the following components in parts by weight: 1-5 parts of modified waste paper fiber-titanium dioxide composite material with a nano hollow structure, 15-55 parts of cement, 30-80 parts of graded sand, 0-8 parts of mineral admixture, 0.5-5 parts of water-retaining thickening material and 1-3 parts of water reducing agent;
the modified waste paper fiber-titanium dioxide composite material with the nano hollow structure is a composite material of waste paper fiber/alkyl surface modifier/dispersant/filler/titanium dioxide/quartz sand with the nano hollow structure, and the mass ratio is 1: 0.01-0.4: 0.1-0.5: 0.5-1: 0.1-0.3: 0.3-0.5.
The preparation method of the masonry mortar comprises the following steps: (1) mixing and stirring the waste paper fiber, the dispersant, the alkyl surface modifier and the deionized water uniformly, performing ultrasonic dispersion, adding one or two mixtures of fillers, continuously stirring for 10 minutes, performing vacuum filtration, and drying at 70-100 ℃ to obtain modified waste paper fiber; (2) adding a titanium dioxide reinforcing material into water, stirring, adding quartz sand, adding modified waste paper fiber while stirring, continuously stirring at a high speed for 5 minutes after the addition is finished, standing for 1-2 days, filtering, and drying to obtain a modified waste paper fiber-titanium dioxide composite material with a nano hollow structure; (3) and stirring the prepared modified waste paper fiber-titanium dioxide composite material with the nano hollow structure with cement, graded sand, mineral admixture, water-retaining thickening material, water reducer and water to prepare the masonry mortar.
As an improvement, in the step (1), one of cetyl trimethyl ammonium bromide and cetyl trimethyl ammonium chloride is adopted as the alkyl surface modifier.
In the improvement, in the step (1), sodium dodecyl sulfate is used as a dispersing agent.
As an improvement, in the step (1), the filler is one of superfine heavy calcium carbonate and superfine talcum powder.
As an improvement, in the step (1), the pressure of vacuum filtration is 0.2-0.6MPa, and the duration is 5-10 min.
In the step (3), the modified waste paper fiber-titanium dioxide composite material is firstly mixed with water and stirred for 1-3min, and then the cement, the graded sand, the mineral admixture, the water-retaining thickening material and the water reducing agent are poured into a stirring container, and the stirring time is not less than 3-5 min.
Compared with the prior art, the invention has the following beneficial effects:
1) the masonry mortar prepared by the invention adopts the modified waste paper fiber-titanium dioxide composite material, wherein the waste paper fiber is of a monofilament structure, a three-dimensional net structure can be formed in the mortar, the shrinkage rate is low, the volume stability is good, the crack resistance of the mortar is obviously improved, and the modified waste paper fiber-titanium dioxide composite material also has a hollow structure and a certain sound absorption effect, so that the sound insulation effect of the whole structure of the mortar is given, and the working performance of the mortar can be effectively improved.
2) The masonry mortar prepared by the invention has low density and light dead weight, and the bearing of the floor slab is lightened.
Detailed Description
For a better understanding of the present invention, the following detailed description is given in conjunction with specific examples, which are set forth to illustrate, but are not to be construed to limit the present invention.
Example 1
The masonry mortar comprises the following components in parts by weight: 3 parts of modified waste paper fiber-titanium dioxide composite material, 50 parts of cement, 40 parts of medium sand, 5 parts of fly ash, 1 part of hydroxypropyl methyl cellulose and 1 part of polycarboxylic acid water reducing agent; the modified waste paper fiber-titanium dioxide composite material is a composite material of waste paper fiber/cetyl trimethyl ammonium bromide/lauryl sodium sulfate/superfine heavy calcium/titanium dioxide/quartz sand with a nano hollow structure, and the mass ratio is 1: 0.01: 0.1: 0.5: 0.1: 0.4.
the preparation method comprises the following steps: (1) mixing and stirring the waste paper fiber, cetyl trimethyl ammonium bromide, sodium dodecyl sulfate and deionized water uniformly, performing ultrasonic dispersion, adding superfine triple superphosphate, continuously stirring for 10 minutes, performing vacuum filtration, wherein the pressure of the vacuum filtration is 0.2-0.6MPa, the duration is 5-10min, and drying at 70-100 ℃ to obtain modified waste paper fiber; (2) adding a titanium dioxide reinforcing material into water, stirring, adding quartz sand, adding modified waste paper fiber while stirring, continuously stirring at a high speed for 5 minutes after the addition is finished, standing for 1-2 days, filtering, and drying to obtain a modified waste paper fiber-titanium dioxide composite material with a nano hollow structure; (3) mixing the modified waste paper fiber-titanium dioxide composite material with water, stirring for 1-3min, and then pouring cement, graded sand, fly ash, hydroxypropyl methyl cellulose and polycarboxylic acid water reducing agent into a stirring container, and continuously stirring for not less than 3-5 min.
Example 2
The masonry mortar of the embodiment comprises the following components in parts by weight: 2 parts of modified waste paper fiber-titanium dioxide composite material, 20 parts of cement, 70 parts of medium sand, 5 parts of fly ash, 2 parts of hydroxypropyl methyl cellulose and 1 part of polycarboxylic acid water reducing agent; the modified waste paper fiber-titanium dioxide composite material is a composite material of waste paper fiber/cetyl trimethyl ammonium bromide/lauryl sodium sulfate/superfine talcum powder/titanium dioxide/quartz sand with a nano hollow structure, and the mass ratio is 1: 0.02: 0.1: 0.5: 0.1: 0.4.
the preparation method comprises the following steps: (1) mixing and stirring the waste paper fiber, cetyl trimethyl ammonium bromide, sodium dodecyl sulfate and deionized water uniformly, performing ultrasonic dispersion, adding superfine talcum powder, continuously stirring for 10 minutes, performing vacuum filtration at the pressure of 0.2-0.6MPa for 5-10min, and drying at the temperature of 70-100 ℃ to obtain modified waste paper fiber; (2) adding a titanium dioxide reinforcing material into water, stirring, adding quartz sand, adding modified waste paper fiber while stirring, continuously stirring at a high speed for 5 minutes after the addition is finished, standing for 1-2 days, filtering, and drying to obtain a modified waste paper fiber-titanium dioxide composite material with a nano hollow structure; (3) mixing the modified waste paper fiber-titanium dioxide composite material with water, stirring for 1-3min, and then pouring cement, graded sand, fly ash, hydroxypropyl methyl cellulose and polycarboxylic acid water reducing agent into a stirring container, and continuously stirring for not less than 3-5 min.
Example 3
The masonry mortar comprises the following components in parts by weight: 1 part of modified waste paper fiber-titanium dioxide composite material, 35 parts of cement, 55 parts of medium sand, 5 parts of fly ash, 2 parts of hydroxyethyl methyl cellulose and 2 parts of polycarboxylic acid water reducing agent; the modified waste paper fiber-titanium dioxide composite material is a composite material of waste paper fiber/hexadecyl trimethyl ammonium chloride/lauryl sodium sulfate/superfine triple superphosphate/titanium dioxide/quartz sand with a nano hollow structure, and the mass ratio is 1: 0.02: 0.1: 0.5: 0.1: 0.4.
the preparation method comprises the following steps: (1) mixing and stirring the waste paper fiber, cetyl trimethyl ammonium bromide, sodium dodecyl sulfate and deionized water uniformly, performing ultrasonic dispersion, adding superfine triple superphosphate, continuously stirring for 10 minutes, performing vacuum filtration, wherein the pressure of the vacuum filtration is 0.2-0.6MPa, the duration is 5-10min, and drying at 70-100 ℃ to obtain modified waste paper fiber; (2) adding a titanium dioxide reinforcing material into water, stirring, adding quartz sand, adding modified waste paper fiber while stirring, continuously stirring at a high speed for 5 minutes after the addition is finished, standing for 1-2 days, filtering, and drying to obtain a modified waste paper fiber-titanium dioxide composite material with a nano hollow structure; (3) mixing the modified waste paper fiber-titanium dioxide composite material with water, stirring for 1-3min, and then pouring cement, graded sand, fly ash, hydroxyethyl methyl cellulose and polycarboxylic acid water reducing agent into a stirring container, and continuously stirring for not less than 3-5 min.
Example 4
The masonry mortar comprises the following components in parts by weight: 5 parts of modified waste paper fiber-titanium dioxide composite material, 45 parts of cement, 45 parts of medium sand, 1 part of hydroxypropyl methyl cellulose and 1 part of polycarboxylic acid water reducing agent; the modified waste paper fiber-titanium dioxide composite material is a composite material of waste paper fiber/cetyl trimethyl ammonium bromide/lauryl sodium sulfate/superfine heavy calcium/titanium dioxide/quartz sand with a nano hollow structure, and the mass ratio is 1: 0.01: 0.1: 0.5: 0.1: 0.4.
the preparation method comprises the following steps: (1) mixing and stirring the waste paper fiber, cetyl trimethyl ammonium bromide, sodium dodecyl sulfate and deionized water uniformly, performing ultrasonic dispersion, adding superfine triple superphosphate, continuously stirring for 10 minutes, performing vacuum filtration, wherein the pressure of the vacuum filtration is 0.2-0.6MPa, the duration is 5-10min, and drying at 70-100 ℃ to obtain modified waste paper fiber; (2) adding a titanium dioxide reinforcing material into water, stirring, adding quartz sand, adding modified waste paper fiber while stirring, continuously stirring at a high speed for 5 minutes after the addition is finished, standing for 1-2 days, filtering, and drying to obtain a modified waste paper fiber-titanium dioxide composite material with a nano hollow structure; (3) mixing and stirring the modified waste paper fiber-titanium dioxide composite material with water for 1-3min, and then pouring cement, graded sand, mineral admixture, hydroxypropyl methyl cellulose and polycarboxylic acid water reducing agent into a stirring container, and continuously stirring for not less than 3-5 min.
Comparative example 1
The masonry mortar was not added with the modified waste paper fiber-titanium dioxide composite material, and the other conditions were the same as in example 4.
Comparative example 2
The raw materials were simply mixed, and other conditions were the same as in example 4.
The masonry mortar prepared in each example and comparative example was subjected to performance tests under the same test conditions, and the test results are shown in table 1:
TABLE 1
| Dry density/kg/m3 | Compressive strength/MPa | Flexural strength/MPa | impermeability/MPa | Shrinkage ratio/% | |
| Example 1 | 1482 | 8.6 | 1.8 | 0.5 | 0.043 |
| Example 2 | 1490 | 9.5 | 1.9 | 0.6 | 0.036 |
| Example 3 | 1467 | 9.3 | 2.0 | 0.4 | 0.037 |
| Example 4 | 1453 | 10.3 | 1.7 | 0.5 | 0.034 |
| Comparative example 1 | 1780 | 7.5 | 1.6 | 0.1 | 0.074 |
| Comparative example 2 | 1540 | 7.8 | 1.6 | 0.1 | 0.068 |
From the test results, the dry density of the mortar can be effectively reduced and the mechanical property of the mortar can be improved by adding the modified waste paper fiber-titanium dioxide composite material. Through a reasonable preparation process, the prepared mortar is low in density, good in sound insulation performance, low in shrinkage rate, good in volume stability and excellent in impermeability.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art should be able to substitute or change the technical solution of the present invention and its inventive concept within the technical scope of the present invention.
Claims (10)
1. The masonry mortar is characterized by comprising the following components in parts by weight:
1-5 parts of modified waste paper fiber-titanium dioxide composite material, 15-55 parts of cement, 30-80 parts of graded sand, 0-8 parts of mineral admixture, 0.5-5 parts of water-retaining thickening material and 1-3 parts of water reducing agent;
the modified waste paper fiber-titanium dioxide composite material is a composite material of waste paper fibers with a nano hollow structure, an alkyl surface modifier, a dispersant, a filler, titanium dioxide and quartz sand, and the mass ratio of the modified waste paper fibers to the titanium dioxide is 1: 0.01-0.4: 0.1-0.5: 0.5-1: 0.1-0.3: 0.3-0.5.
2. A masonry mortar according to claim 1 wherein said graded sand is medium and fine sand between 10 and 100 mesh.
3. A masonry mortar according to claim 1 wherein the water reducer is a polycarboxylic acid high efficiency water reducer.
4. A masonry mortar according to claim 1 wherein said water retaining thickening material is any one of hydroxypropyl methylcellulose and hydroxyethyl methylcellulose.
5. A method of preparing a masonry mortar according to claims 1 to 4, comprising the steps of:
(1) mixing and stirring the waste paper fiber, the dispersant, the alkyl surface modifier and the deionized water uniformly, performing ultrasonic dispersion, adding one or two mixtures of fillers, continuously stirring for 10 minutes, performing vacuum filtration, and drying at 70-100 ℃ to obtain modified waste paper fiber;
(2) adding a titanium dioxide reinforcing material into water, stirring, adding quartz sand, adding modified waste paper fiber while stirring, continuously stirring at a high speed for 5 minutes after the addition is finished, standing for 1-2 days, filtering, and drying to obtain a modified waste paper fiber-titanium dioxide composite material with a nano hollow structure;
(3) mixing the modified waste paper fiber-titanium dioxide composite material with the nano hollow structure, cement, graded sand, mineral admixture, water-retaining thickening material, water reducer and water according to the formula amount, and stirring to obtain the masonry mortar.
6. The method of claim 5, wherein in step (1), the alkyl surface modifier is one of cetyltrimethylammonium bromide and cetyltrimethylammonium chloride.
7. A method of producing a masonry mortar according to claim 5, wherein in step (1), the dispersant is sodium lauryl sulfate.
8. A method of producing a masonry mortar according to claim 5, wherein in step (1), the filler is one of extra fine heavy calcium carbonate and extra fine talc.
9. The method for preparing masonry mortar according to claim 5, wherein in the step (1), the pressure of vacuum filtration is 0.2-0.6MPa, and the duration is 5-10 min.
10. The method for preparing masonry mortar according to claim 5, wherein in the step (3), the modified waste paper fiber-titanium dioxide composite material with the nano hollow structure is mixed with water and stirred for 1-3min, and then the cement, the graded sand, the mineral admixture, the water retention thickening material and the water reducing agent are poured into a stirring container and stirred for not less than 3-5 min.
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| CN202010682339.XA CN111777366A (en) | 2020-07-15 | 2020-07-15 | Masonry mortar and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276200A (en) * | 2011-05-26 | 2011-12-14 | 太原理工大学 | Method for manufacturing waste textile fiber masonry mortar |
| CN103755190A (en) * | 2014-01-06 | 2014-04-30 | 同济大学 | Regenerated cellulose fiber and preparation method thereof |
| CN104098285A (en) * | 2014-07-16 | 2014-10-15 | 同济大学 | Waste paper fiber for self-curing of cement-based material, and preparation method of waste paper fiber |
| CN106565177A (en) * | 2016-11-14 | 2017-04-19 | 绍兴职业技术学院 | Environmental-friendly industrial waste special anti-crack dry-mixed mortar and preparation method thereof |
| KR20190075661A (en) * | 2017-12-21 | 2019-07-01 | 한국철도기술연구원 | Mortar composition for repairing, reinforcing and enhancing earthquake-proof property of concrete structure, and construction method of repair and reinforcement of concrete using the same |
-
2020
- 2020-07-15 CN CN202010682339.XA patent/CN111777366A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276200A (en) * | 2011-05-26 | 2011-12-14 | 太原理工大学 | Method for manufacturing waste textile fiber masonry mortar |
| CN103755190A (en) * | 2014-01-06 | 2014-04-30 | 同济大学 | Regenerated cellulose fiber and preparation method thereof |
| CN104098285A (en) * | 2014-07-16 | 2014-10-15 | 同济大学 | Waste paper fiber for self-curing of cement-based material, and preparation method of waste paper fiber |
| CN106565177A (en) * | 2016-11-14 | 2017-04-19 | 绍兴职业技术学院 | Environmental-friendly industrial waste special anti-crack dry-mixed mortar and preparation method thereof |
| KR20190075661A (en) * | 2017-12-21 | 2019-07-01 | 한국철도기술연구원 | Mortar composition for repairing, reinforcing and enhancing earthquake-proof property of concrete structure, and construction method of repair and reinforcement of concrete using the same |
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