CN114105568A - Novel dry-mixed masonry mortar and preparation method thereof - Google Patents

Novel dry-mixed masonry mortar and preparation method thereof Download PDF

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Publication number
CN114105568A
CN114105568A CN202111523994.1A CN202111523994A CN114105568A CN 114105568 A CN114105568 A CN 114105568A CN 202111523994 A CN202111523994 A CN 202111523994A CN 114105568 A CN114105568 A CN 114105568A
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CN
China
Prior art keywords
parts
bentonite
masonry mortar
mixture
novel dry
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202111523994.1A
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Chinese (zh)
Inventor
彭飞虎
张岸江
赵艳
胡大
彭超
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Xiangtan Xinhe Building Materials Co ltd
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Xiangtan Xinhe Building Materials Co ltd
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Publication date
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Priority to CN202111523994.1A priority Critical patent/CN114105568A/en
Publication of CN114105568A publication Critical patent/CN114105568A/en
Withdrawn legal-status Critical Current

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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
    • C04B28/02—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
    • C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/282—Polyurethanes; Polyisocyanates
    • 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
    • C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
    • C04B24/42—Organo-silicon compounds
    • C04B24/425—Organo-modified inorganic compounds, e.g. organo-clays
    • 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
    • C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
    • C04B2103/0091—Organic co-binders for mineral binder compositions
    • 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
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/0012—Thixotropic mixtures
    • 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
    • C04B2111/2038—Resistance against physical degradation

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a novel dry-mixed masonry mortar and a preparation method thereof, wherein the preparation method comprises the following steps: 15-25 parts of Portland cement, 10-15 parts of blast furnace slag, 10-15 parts of fly ash, 10-15 parts of artificial sand, 30-40 parts of construction waste powder, 5-10 parts of a calcium increasing agent, 1-5 parts of a polyurethane adhesive, 0.5-1 part of a concrete additive, 0.1-0.5 part of cellulose ether, 0.1-0.5 part of a water-retaining agent and 0.5-1 part of bentonite. According to the novel dry-mixed masonry mortar and the preparation method thereof, the bentonite is organic bentonite, the organic bentonite is an inorganic mineral/organic ammonium compound, and the bentonite is used as a raw material and has good thickening property, thixotropy, suspension stability, high-temperature stability, lubricity, film-forming property, water resistance and chemical stability; the polyurethane adhesive is an adhesive for buildings, has excellent water resistance, weather resistance, impact resistance and wear resistance, can improve the thixotropy and impact resistance of the dry-mixed masonry mortar by adding the bentonite and the polyurethane adhesive, and can improve and improve the performance of concrete.

Description

Novel dry-mixed masonry mortar and preparation method thereof
Technical Field
The invention relates to the technical field of dry-mixed masonry mortar, in particular to novel dry-mixed masonry mortar and a preparation method thereof.
Background
The dry-mixed masonry mortar is special modified dry-mixed mortar designed and produced by adopting high-quality polymer, is an improved cement-based dry-mixed material prepared by reasonably proportioning high-quality stone well cement, fine aggregate and polymer additive, can be used by mechanically stirring after adding water on a construction site as required, can be used for masonry engineering (red bricks, gray sand bricks, hollow bricks, foam concrete blocks and rubble) of various masonry bodies of internal and external walls of a building, is suitable for a wet construction process, and is required to be drenched for general non-structural repair of building blocks, slope stabilization and ground platform cushion layer during construction; the organic bentonite is an inorganic mineral/organic ammonium compound, takes bentonite as raw material, utilizes the lamellar structure of montmorillonite in the bentonite and the characteristic that the montmorillonite can be swelled and dispersed into colloidal clay particles in water or organic solvent, and is prepared by inserting an organic covering agent through ion exchange technology, the slurry making rate of the bentonite is that bentonite particles are dispersed in water to form suspension, and the cubic number of slurry making of each ton of bentonite when the apparent viscosity of the suspension is 15 x 10-3Ps is an important index for measuring the quality of the bentonite, and the slurry making performance of general sodium bentonite is better than that of calcium bentonite; the building adhesive has important effects on improving the construction efficiency and quality of buildings and reducing the construction weight, and needs chemical grouting materials, building caulking sealant, floor glue, end cloth glue, coagulation seven-reinforcing glue and the like; the paint has excellent water resistance, weather resistance, impact resistance, wear resistance and the like; the dry-mixed masonry mortar has poor thixotropy and impact resistance and poor use effect.
Disclosure of Invention
The invention mainly aims to provide novel dry-mixed masonry mortar and a preparation method thereof, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a novel dry-mixed masonry mortar comprising: 15-25 parts of Portland cement, 10-15 parts of blast furnace slag, 10-15 parts of fly ash, 10-15 parts of artificial sand, 30-40 parts of construction waste powder, 5-10 parts of a calcium increasing agent, 1-5 parts of a polyurethane adhesive, 0.5-1 part of a concrete additive, 0.1-0.5 part of cellulose ether, 0.1-0.5 part of a water-retaining agent and 0.5-1 part of bentonite.
Preferably, the polyurethane adhesive is an adhesive for construction.
Preferably, the bentonite is organic bentonite.
A preparation method of novel dry-mixed masonry mortar comprises the following steps:
the method comprises the following steps: mixing the portland cement, the artificial sand and the construction waste powder to obtain a mixture M1;
step two: adding blast furnace slag and fly ash into the mixture M1, and mixing to obtain a mixture M2;
step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture M2, and mixing to obtain a mixture M3;
step four: adding a water-retaining agent and cellulose ether into the mixture M3, and mixing to obtain a mixture M4;
step five: adding a polyurethane adhesive into the mixture M4 to obtain novel dry-mixed masonry mortar;
step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar, analyzing data, and warehousing and storing after the data are qualified.
Preferably, the artificial sand and the construction waste powder in the step one are dust subjected to sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 mu m, and the standard of GB/T25176-2010 recycled fine aggregates for concrete and mortar is met.
Preferably, the blast furnace slag and the fly ash are dust subjected to sorting, crushing and screening, and meet the standard of GB/T25176-2010 recycled fine aggregate for concrete and mortar.
Preferably, the bentonite is dust subjected to sorting, crushing and screening, and meets the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar.
Compared with the prior art, the invention has the following beneficial effects: bentonite and polyurethane adhesive are added, the bentonite is organic bentonite, the organic bentonite is an inorganic mineral/organic ammonium compound, the bentonite is used as a raw material, the lamellar structure of montmorillonite in the bentonite and the characteristic that the montmorillonite can be swelled and dispersed into colloidal clay in water or an organic solvent are utilized, and an organic covering agent is inserted through an ion exchange technology to prepare the bentonite-polyurethane composite material, so that the bentonite-polyurethane composite material has good thickening property, thixotropy, suspension stability, high-temperature stability, lubricity, film-forming property, water resistance and chemical stability; the polyurethane adhesive is an adhesive for buildings, has important effects on improving the construction efficiency and quality of buildings and reducing the weight of construction, has excellent water resistance, weather resistance, impact resistance and wear resistance, can improve the thixotropy and impact resistance of the dry-mixed masonry mortar by adding the bentonite and the polyurethane adhesive, and can improve the performance of concrete.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
A novel dry-mixed masonry mortar comprising: 15 parts of Portland cement, 10 parts of blast furnace slag, 10 parts of fly ash, 10 parts of artificial sand, 30 parts of construction waste powder, 5 parts of a calcium-increasing agent, 1 part of a polyurethane adhesive, 0.5 part of a concrete additive, 0.1 part of cellulose ether, 0.1 part of a water-retaining agent and 0.5 part of bentonite.
Wherein the polyurethane adhesive is an adhesive for buildings.
Wherein the bentonite is organic bentonite.
A preparation method of novel dry-mixed masonry mortar comprises the following steps:
the method comprises the following steps: mixing the portland cement, the artificial sand and the construction waste powder to obtain a mixture M1;
step two: adding blast furnace slag and fly ash into the mixture M1, and mixing to obtain a mixture M2;
step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture M2, and mixing to obtain a mixture M3;
step four: adding a water-retaining agent and cellulose ether into the mixture M3, and mixing to obtain a mixture M4;
step five: adding a polyurethane adhesive into the mixture M4 to obtain novel dry-mixed masonry mortar M;
step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar M, analyzing data, and warehousing and storing after the data are qualified.
Wherein, the artificial sand and the construction waste powder in the step one are dust after sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 μm, and the standard of GB/T25176-2010 recycled fine aggregates for concrete and mortar is met.
Wherein, the blast furnace slag and the fly ash are dust after sorting, crushing and screening treatment, and meet the standard of GB/T25176-2010 recycled fine aggregate for concrete and mortar.
Wherein, the bentonite is dust after sorting, crushing and screening, and meets the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar.
Example 2
A novel dry-mixed masonry mortar comprising: 25 parts of portland cement, 15 parts of blast furnace slag, 15 parts of fly ash, 15 parts of artificial sand, 40 parts of construction waste powder, 10 parts of a calcium-increasing agent, 5 parts of a polyurethane adhesive, 1 part of a concrete additive, 0.5 part of cellulose ether, 0.5 part of a water-retaining agent and 1 part of bentonite.
Wherein the polyurethane adhesive is an adhesive for buildings.
Wherein the bentonite is organic bentonite.
A preparation method of novel dry-mixed masonry mortar comprises the following steps:
the method comprises the following steps: mixing portland cement, artificial sand and construction waste powder to obtain a mixture A1;
step two: adding blast furnace slag and fly ash into the mixture A1, and mixing to obtain a mixture A2;
step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture A2, and mixing to obtain a mixture A3;
step four: adding a water-retaining agent and cellulose ether into the mixture A3, and mixing to obtain a mixture A4;
step five: adding a polyurethane adhesive into the mixture A4 to obtain novel dry-mixed masonry mortar A;
step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar A, analyzing data, and warehousing and storing after the data are qualified.
Wherein, the artificial sand and the construction waste powder in the step one are dust after sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 μm, and the standard of GB/T25176-2010 recycled fine aggregates for concrete and mortar is met.
Wherein, the blast furnace slag and the fly ash are dust after sorting, crushing and screening treatment, and meet the standard of GB/T25176-2010 recycled fine aggregate for concrete and mortar.
Wherein, the bentonite is dust after sorting, crushing and screening, and meets the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar.
Various technical performance indexes of the dry-mixed masonry mortar prepared in the embodiment meet the requirements of the ready-mixed mortar specified in GB/T25181-2010 ready-mixed mortar and DG/TJ08-502-2012 technical specification for the application of the ready-mixed mortar.
The invention relates to a novel dry-mixed masonry mortar, which comprises the following components: 15-25 parts of Portland cement, 10-15 parts of blast furnace slag, 10-15 parts of fly ash, 10-15 parts of artificial sand, 30-40 parts of construction waste powder, 5-10 parts of a calcium increasing agent, 1-5 parts of a polyurethane adhesive, 0.5-1 part of a concrete additive, 0.1-0.5 part of cellulose ether, 0.1-0.5 part of a water-retaining agent and 0.5-1 part of bentonite. The polyurethane adhesive is an adhesive for buildings. The bentonite is organic bentonite. The preparation method of the novel dry-mixed masonry mortar comprises the following steps: the method comprises the following steps: mixing the portland cement, the artificial sand and the construction waste powder to obtain a mixture M1; step two: adding blast furnace slag and fly ash into the mixture M1, and mixing to obtain a mixture M2; step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture M2, and mixing to obtain a mixture M3; step four: adding a water-retaining agent and cellulose ether into the mixture M3, and mixing to obtain a mixture M4; step five: adding a polyurethane adhesive into the mixture M4 to obtain novel dry-mixed masonry mortar; step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar, analyzing data, and warehousing and storing after the data are qualified. The artificial sand and the construction waste powder are dust after sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 mu m, and the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar is met. The blast furnace slag and the fly ash are dust subjected to sorting, crushing and screening, and meet the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar, and the bentonite is dust subjected to sorting, crushing and screening, and meet the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar; bentonite and polyurethane adhesive are added, the bentonite is organic bentonite, the organic bentonite is an inorganic mineral/organic ammonium compound, the bentonite is used as a raw material, the lamellar structure of montmorillonite in the bentonite and the characteristic that the montmorillonite can be swelled and dispersed into colloidal clay in water or an organic solvent are utilized, and an organic covering agent is inserted through an ion exchange technology to prepare the bentonite-polyurethane composite material, so that the bentonite-polyurethane composite material has good thickening property, thixotropy, suspension stability, high-temperature stability, lubricity, film-forming property, water resistance and chemical stability; the polyurethane adhesive is an adhesive for buildings, has important effects on improving the construction efficiency and quality of buildings and reducing the weight of construction, has excellent water resistance, weather resistance, impact resistance and wear resistance, can improve the thixotropy and impact resistance of the dry-mixed masonry mortar by adding the bentonite and the polyurethane adhesive, and can improve the performance of concrete.
The detection data of the novel dry-mixed masonry mortar M obtained in the embodiment 1 and the novel dry-mixed masonry mortar A obtained in the embodiment 2 are obtained in the comparative embodiment 1, and the data are classified to obtain the applicable proportion.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A novel dry-mixed masonry mortar is characterized by comprising: 15-25 parts of Portland cement, 10-15 parts of blast furnace slag, 10-15 parts of fly ash, 10-15 parts of artificial sand, 30-40 parts of construction waste powder, 5-10 parts of a calcium increasing agent, 1-5 parts of a polyurethane adhesive, 0.5-1 part of a concrete additive, 0.1-0.5 part of cellulose ether, 0.1-0.5 part of a water-retaining agent and 0.5-1 part of bentonite.
2. The novel dry-mixed masonry mortar of claim 1, characterized in that: the polyurethane adhesive is an adhesive for buildings.
3. The novel dry-mixed masonry mortar of claim 1, characterized in that: the bentonite is organic bentonite.
4. A preparation method of novel dry-mixed masonry mortar is characterized by comprising the following steps:
the method comprises the following steps: mixing the portland cement, the artificial sand and the construction waste powder to obtain a mixture M1;
step two: adding blast furnace slag and fly ash into the mixture M1, and mixing to obtain a mixture M2;
step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture M2, and mixing to obtain a mixture M3;
step four: adding a water-retaining agent and cellulose ether into the mixture M3, and mixing to obtain a mixture M4;
step five: adding a polyurethane adhesive into the mixture M4 to obtain novel dry-mixed masonry mortar;
step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar, analyzing data, and warehousing and storing after the data are qualified.
5. The preparation method of the novel dry-mixed masonry mortar according to claim 4, wherein the artificial sand and the construction waste powder in the step one are dust after sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 μm, and the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar is met.
6. The preparation method of the novel dry-mixed masonry mortar according to claim 4, wherein the blast furnace slag and the fly ash are dust subjected to sorting, crushing and screening, and meet the GB/T25176-2010 concrete and recycled fine aggregate for mortar standard.
7. The preparation method of the novel dry-mixed masonry mortar according to claim 6, wherein the bentonite is dust after sorting, crushing and screening, and meets the GB/T25176-2010 concrete and recycled fine aggregate for mortar standard.
CN202111523994.1A 2021-12-14 2021-12-14 Novel dry-mixed masonry mortar and preparation method thereof Withdrawn CN114105568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111523994.1A CN114105568A (en) 2021-12-14 2021-12-14 Novel dry-mixed masonry mortar and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111523994.1A CN114105568A (en) 2021-12-14 2021-12-14 Novel dry-mixed masonry mortar and preparation method thereof

Publications (1)

Publication Number Publication Date
CN114105568A true CN114105568A (en) 2022-03-01

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Country Status (1)

Country Link
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Application publication date: 20220301