CN110066157B - Dustproof mortar and preparation method thereof - Google Patents
Dustproof mortar and preparation method thereof Download PDFInfo
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- CN110066157B CN110066157B CN201910481643.5A CN201910481643A CN110066157B CN 110066157 B CN110066157 B CN 110066157B CN 201910481643 A CN201910481643 A CN 201910481643A CN 110066157 B CN110066157 B CN 110066157B
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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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/90—Electrical properties
- C04B2111/905—Anti-static materials
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
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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
- 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
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a dustproof mortar and a preparation method thereof, and the dustproof mortar comprises the following components in parts by mass: 850 parts of aggregate 100-. According to the invention, the dustproof mortar prepared by adding the dustproof agent and the coupling agent can not generate a large amount of dust in the production and use processes of the mortar, so that the generation of dust is effectively prevented; further reducing the pollution to the environment and the influence on the health of people.
Description
Technical Field
The invention belongs to the technical field of mortar, and particularly relates to dustproof mortar and a preparation method thereof.
Background
Mortar is a bonding substance used for building bricks on buildings, and is formed by adding water into sand and cementing materials (cement, lime paste, clay and the like) according to a certain proportion, and is also called mortar and also used as mortar. Common mortars are cement mortar, mixed mortars (or cement lime mortar), lime mortar and clay mortar.
Influenced by the components of the mortar, a lot of dust is always generated in the production and use of the existing mortar; substances generating dust in the mortar are mainly bonding materials and modifiers with superfine components, and the mortar is mainly characterized in that the particle size is small, the density is relatively light, the dust can be emitted under the action of mechanical vibration or other external forces, and the physical and psychological health of production workers can be influenced and workshop production equipment and working environment can be polluted due to mechanical stirring in the production process of the mortar or dust generated by scattering in the carrying process of the mortar; in the use process, when mortar is poured into water for stirring, dust generated can influence the health of workers carrying out construction operation, and local space of decoration is polluted.
At present, dust emission is inhibited by introducing fluid additives into mortar, so that labor protection and factory or local environment protection are facilitated, the fluid additives mainly comprise nonpolar hydrocarbon-containing organic substances, mainly mineral oil, paraffin, polyolefin or a mixture of the substances, and at least one of the fluid additives is added into a mortar composition to achieve the purpose of inhibiting dust emission; however, the fluid additives have a certain hydrophobic effect, the difficulty in mixing with water is increased when the addition amount of the fluid additives is larger, the stirring time is prolonged, and the construction efficiency is reduced, and meanwhile, the substances contain a small amount of organic solvents or volatile small molecules, so that certain influence on the health of workers and certain pollution to the environment can be caused in the process of using the fluid additives.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the dustproof mortar and the preparation method thereof, so that the dust prevention generated in the production and use processes of the mortar is reduced, and the pollution to the environment and the influence on the health of personnel are reduced.
In order to achieve the above object, an aspect of the present invention provides a dust-proof mortar, including, in parts by mass: 850 parts of aggregate 100-.
In another aspect of the present invention, a preparation method of the above dustproof mortar is provided, which includes:
uniformly mixing the aggregate and the coupling agent to obtain a first mixture;
uniformly mixing the first mixture, a cementing material, optional rubber powder, cellulose ether, an early strength agent and other functional auxiliaries to obtain a second mixture;
and uniformly mixing the second mixture and the dustproof agent to obtain the dustproof mortar.
The technical scheme of the invention has the following beneficial effects:
according to the invention, the dustproof mortar prepared by adding the dustproof agent and the coupling agent can not generate a large amount of dust in the production and use processes of the mortar, so that the generation of dust is effectively prevented; further reducing the pollution to the environment and the influence on the health of people.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic block diagram of a tile glue dusting detection device.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
One aspect of the present invention provides a dust-proof mortar, which comprises, in parts by mass: 850 parts of aggregate 100-.
In the present invention, 0 to 10 parts of cellulose ether added to the dust-proof mortar may be any cellulose ether in the art, and is preferably at least one of methyl cellulose ether, carboxymethyl cellulose ether, hydroxyethyl cellulose ether and hydroxypropyl methyl cellulose ether.
In the invention, the mass portion of the cementing material is preferably 150-500 parts, the mass portion of the rubber powder is preferably 0-20 parts, the mass portion of the cellulose ether is preferably 0-5 parts, the mass portion of the dust-proof agent is preferably 1-5 parts, and the mass portion of the coupling agent is preferably 0.5-3 parts.
According to the present invention, preferably, the anti-dust agent includes a liquid additive and a thickener in an amount of 0.1 to 2 parts with respect to 100 parts of the liquid additive.
According to the present invention, preferably, the dust-proofing agent is prepared by the following method: and uniformly mixing the liquid additive and the thickening agent to obtain the dustproof agent.
In the invention, the liquid additive containing hydrophilic groups is introduced to be uniformly dispersed on the surfaces of all components of the mortar to form a film layer, and the hydrophilic groups are utilized to adsorb moisture in the air, so that an antistatic effect and a moisturizing effect are generated to prevent dust; the viscosity of the formed dustproof agent is increased by adding the thickening agent into the liquid additive, so that the dustproof agent can be better adhered to the surfaces of the components of the mortar, and a film layer can be formed on the surfaces of the components of the mortar more easily; the coupling agent is added into the mortar components, so that the coupling agent is uniformly dispersed on the surface of the aggregate, the hydrophobicity of the coupling agent is utilized to reduce the hydrophilicity of the liquid additive, and the problem of gel material agglomeration caused by excessive adsorption of water in air by the liquid additive is further prevented.
According to the present invention, preferably, the liquid additive is at least one of a water-soluble alcohol substance, a water-soluble ester substance and a water-soluble ether substance;
wherein the water-soluble alcohol substance is preferably at least one of polyvinyl alcohol, polyethylene glycol, water-soluble polyether polyol, vegetable oil polyether polyol, ethylene glycol, glycerol, n-propanol, n-ethanol, water-soluble alcohol isomers of n-propanol and water-soluble alcohol isomers of n-ethanol;
the water-soluble ester substance is preferably at least one of polyvinyl acetate, polymethyl vinyl ester, dibutyl ester, sorbitan monooleate, polysorbate, glycerol trioleate, polyethylene glycol oleate and glycerol monooleate;
the water-based ether substance is preferably at least one of polyethylene glycol monomethyl ether, propylene glycol methyl ether, dipropylene glycol dimethyl ether and diethylene glycol monomethyl ether.
According to the present invention, preferably, the liquid additive is at least one of polyethylene glycol, glycerol, and polyethylene glycol monomethyl ether.
According to the present invention, preferably, the thickener is at least one of cellulose ether, starch ether, polyacrylamide, polyacrylate, organic bentonite, diatomaceous earth, attapulgite, molecular sieve, silica gel, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene oxide, gelatin and sodium alginate;
wherein the cellulose ether is preferably at least one of methyl cellulose ether, carboxymethyl cellulose ether, hydroxyethyl cellulose ether and hydroxypropyl methyl cellulose ether;
the starch is preferably at least one of cassava starch, sweet potato starch, wheat starch, water chestnut starch, lotus root starch, corn starch and oxidized starch;
the starch ether is preferably at least one of cassava starch ether, sweet potato starch ether, wheat starch ether, water caltrop starch ether, lotus root starch ether, corn starch ether and oxidized starch ether;
the thickener is preferably at least one of carboxymethyl cellulose ether, organic bentonite and starch.
According to the present invention, preferably, the coupling agent is at least one of a silane coupling agent, a titanate coupling agent, an aluminate compound and an organochromium complex.
According to the present invention, preferably, the aggregate is at least one of river sand, desert sand, machine-made sand, ceramsite sand, glass beads, expanded perlite, tailing sand and solid waste particles;
the cementing material is at least one of cement, lime, gypsum, water glass, aluminum dihydrogen phosphate, asphalt and resin;
the glue powder is at least one of ethylene-vinyl acetate copolymer, vinyl acetate-vinyl versatate copolymer, acrylate-styrene copolymer, styrene-butadiene copolymer, ethylene-vinyl chloride-vinyl laurate terpolymer, vinyl acetate-ethylene-vinyl versatate copolymer, vinyl acetate-acrylate-vinyl versatate copolymer, vinyl acetate-ethylene-acrylate copolymer, vinyl acetate-ethylene-methyl methacrylate copolymer, epoxy resin glue powder and polyvinyl alcohol resin glue powder;
the early strength agent is at least one of triethanolamine, calcium formate, urea, nitrite and chromate.
According to the invention, preferably, the other functional additives comprise 0-10 parts of a waterproof agent, 0-10 parts of an antifreeze agent, 0-10 parts of a retarder, 0-10 parts of an anti-cracking additive and 0-10 parts of a water reducing agent.
In the invention, the waterproof agent is any conventional waterproof agent in the field of mortar, and preferably is at least one of an organosilicon waterproof agent, a higher fatty acid waterproof agent and an aluminum salt waterproof agent;
the water reducing agent is any conventional water reducing agent in the field of mortar, and is preferably at least one of lignosulfonate water reducing agents, naphthalene water reducing agents, melamine water reducing agents, sulfamate water reducing agents, fatty acid water reducing agents and polycarboxylate water reducing agents;
the retarder is any conventional retarder in the field of mortar, preferably at least one of a saccharide retarder, a citric acid retarder, a tartaric acid retarder, a zinc salt, a phosphate and a lignosulfonate;
the antifreeze is any conventional antifreeze in the field of mortar, preferably at least one of methanol, ethanol, glycol, water-soluble amide, calcium chloride and saline;
the anti-cracking auxiliary agent is any conventional anti-cracking auxiliary agent in the field of mortar, and is preferably at least one of wood fiber, polypropylene fiber, carbon fiber, polyester fiber, phenolic fiber and glass fiber.
In another aspect of the present invention, a method for preparing the above dustproof mortar is provided, the method comprising:
uniformly mixing the aggregate and the coupling agent to obtain a first mixture;
uniformly mixing the first mixture, a cementing material, optional rubber powder, cellulose ether, an early strength agent and other functional auxiliaries to obtain a second mixture;
and uniformly mixing the second mixture and the dustproof agent to obtain the dustproof mortar.
The invention is mainly on the basis of antistatic, moisture-keeping technology, develop a preparation method for dustproof mortar, because the liquid additive contains at least one kind in hydroxyl, ether and ester group, after the liquid additive, disperse in the mortar evenly, can form a membrane on the surface of ingredients such as mortar aggregate, gelled material, rubber powder, cellulose ether and other functional additives, hydrophilic group in the membrane is apt to absorb the moisture in the air, in order to subdue the problem that the gelled material reacts and agglomerates because hydrophilic group absorbs the water too much, the invention has introduced the coupling component, the coupling component is dispersed on the aggregate surface evenly at first, its hydrophilic end and aggregate are fully combined, hydrophobic end is faced outside the aggregate surface, has weakened the membrane absorbs excessive water (hydrophobic subducts the hydrophilic), make the mortar show the characteristic of slightly absorbing water, because the surface of the mortar absorbs trace water, thereby having strong antistatic effect and good moisture retention.
The invention is further illustrated by the following examples:
the calcium formate used in the examples and comparative examples below was obtained from Ziborubi chemical Co., Ltd and the cement was Jidong P.O 42.5 cement.
Example 1
The embodiment provides a dustproof mortar, which consists of the following components: 700g of river sand, 300g of cement, 3g of rubber powder, 2g of cellulose ether, KH 5501 g as a coupling agent, 3g of calcium formate and 4.02g of a dust-proof agent; wherein the dustproof agent comprises 4g of polyethylene glycol and 0.02g of carboxymethyl cellulose ether; wherein the rubber powder is Wake 5010N, the cellulose ether is Hedahd 20s, and the carboxymethyl cellulose ether is purchased from Jinyu chemical Co., Ltd and is named CMC.
The preparation method comprises the following steps:
uniformly mixing polyethylene glycol and carboxymethyl cellulose ether to obtain a dustproof agent;
and uniformly mixing the river sand and the coupling agent, then sequentially adding the cement, the rubber powder, the cellulose ether and the calcium formate, uniformly mixing, finally adding the dustproof agent, and uniformly mixing to obtain the dustproof mortar.
Example 2
The embodiment provides a dustproof mortar, which consists of the following components: 650g of river sand, 350g of cement, 10g of rubber powder, 3g of cellulose ether, 0.8g of titanate coupling agent, 3g of calcium formate and 1.82g of dust-proof agent; wherein the dustproof agent comprises 1.8g of glycerol and 0.02g of carboxymethyl cellulose ether; wherein the glue powder is DAP11, the cellulose ether is MHG1212 of Shanghai Huikang Fine chemical Co., Ltd, the titanate coupling agent is 201 of Nanjing Youpu chemical Co., Ltd, and the carboxymethyl cellulose ether is purchased from Jinyu chemical Co., Ltd and has a brand name of CMC.
The preparation method comprises the following steps:
uniformly mixing glycerol and carboxymethyl cellulose ether to obtain a dustproof agent;
and uniformly mixing the river sand and the coupling agent, then sequentially adding the cement, the rubber powder, the cellulose ether and the calcium formate, uniformly mixing, finally adding the dustproof agent, and uniformly mixing to obtain the dustproof mortar.
Example 3
The embodiment provides a dustproof mortar, which consists of the following components: 650g of ceramsite sand, 350g of cement, 10g of rubber powder, 3g of cellulose ether, 1.5g of aluminate coupling agent, 3g of calcium formate and 6.06g of dustproof agent; wherein the dustproof agent comprises 6g of polyethylene glycol and 0.06g of zuro-cis chemical carboxypropyl methyl cellulose ether; wherein the rubber powder is Acksotai-Laita ANP60, the cellulose ether is Hedah HD4s, the aluminate coupling agent is DL-411 of Nanjing Youpu chemical Co., Ltd, and the carboxypropyl methyl cellulose ether is obtained from Shijiazhuanzhuo cis chemical Co., Ltd.
The preparation method comprises the following steps:
uniformly mixing polyethylene glycol and carboxymethyl cellulose ether to obtain a dustproof agent;
uniformly mixing the ceramsite sand and a coupling agent, then sequentially adding cement, rubber powder, cellulose ether and calcium formate, uniformly mixing, finally adding a dustproof agent, and uniformly mixing to obtain the dustproof mortar.
Example 4
The embodiment provides a dustproof mortar, which consists of the following components: 750g of river sand, 250g of cement, 3g of cellulose ether, 1.5g of coupling agent KH550, 2g of organosilicon waterproofing agent and 8.12g of dustproof agent; wherein the dustproof agent comprises 8g of polyethylene glycol and 0.12g of organic bentonite; wherein the cellulose ether is Dow QP300H, and the organosilicon waterproofing agent is purchased from Henan Lizhao chemical products, Inc.;
the preparation method comprises the following steps:
uniformly mixing polyethylene glycol and organic bentonite to obtain a dustproof agent;
and (2) uniformly mixing the river sand and the coupling agent, then sequentially adding the cement, the cellulose ether and the organic silicon waterproof agent, uniformly mixing, finally adding the dustproof agent, and uniformly mixing to obtain the dustproof mortar.
Example 5
The embodiment provides a dustproof mortar, which consists of the following components: 700g of river sand, 300g of cement, 3g of rubber powder, 2g of cellulose ether, KH 5501 g as a coupling agent, 3g of calcium formate, 0.8g of ethylene glycol and 3.06g of a dust-proof agent; wherein the dustproof agent comprises 3g of polyethylene glycol monomethyl ether and 0.06g of carboxymethyl cellulose ether; wherein the cellulose ether is HPMC of Shandong Ruitai chemical Co., Ltd, the carboxymethyl cellulose ether is Jinyu chemical Co., Ltd, and the mark is CMC;
the preparation method comprises the following steps:
uniformly mixing polyethylene glycol monomethyl ether and carboxymethyl cellulose ether to obtain a dustproof agent;
and uniformly mixing river sand and a coupling agent, then sequentially adding cement, rubber powder, cellulose ether, calcium formate and an antifreezing agent, uniformly mixing, finally adding a dustproof agent, and uniformly mixing to obtain the dustproof mortar.
Comparative example 1
The difference between the comparative example and the example 1 is that the dust-proof agent and the coupling agent are not contained, and other components and the using amount are the same as those of the example 1;
the preparation method comprises the following steps:
and uniformly mixing the river sand, the cement, the rubber powder, the cellulose ether and the calcium formate to obtain the mortar.
Comparative example 2
The difference between the comparative example and the example 1 is that the coupling agent is not contained, and other components and the using amount are the same as those of the example 1;
the preparation method comprises the following steps:
uniformly mixing polyethylene glycol and carboxymethyl cellulose ether to obtain a dustproof agent;
and uniformly mixing the river sand, the cement, the rubber powder, the cellulose ether and the calcium formate, adding the dustproof agent, and uniformly mixing to obtain the mortar.
Comparative example 3
The difference between the comparative example and the example 2 is that the dust-proof agent is not contained, and other components and the using amount are the same as those of the example 2;
the preparation method comprises the following steps:
and uniformly mixing the river sand and the coupling agent, and then sequentially adding the cement, the rubber powder, the cellulose ether and the calcium formate and uniformly mixing to obtain the mortar.
Comparative example 4
The difference between the comparative example and the example 3 is that the dust-proof agent is not contained, and other components and the using amount are the same as those of the example 3;
the preparation method comprises the following steps:
uniformly mixing the ceramsite sand and a coupling agent, and then sequentially adding cement, rubber powder, cellulose ether and calcium formate and uniformly mixing to obtain the mortar.
Comparative example 5
The difference between the comparative example and the example 4 is that the dust-proof agent is not contained, and other components and the using amount are the same as those of the example 4;
the preparation method comprises the following steps:
and (3) uniformly mixing the river sand and the coupling agent, and then sequentially adding the cement, the cellulose ether and the organic silicon waterproofing agent to be uniformly mixed to obtain the mortar.
Test example 1
The examples and comparative examples were tested for dust emission and the specific results are shown in table 1; wherein, the dust fall effect evaluation adopts the representation of dust concentration, and a testing device is shown as figure 1;
as shown in fig. 1, fig. 1 shows a schematic configuration of a tile glue dusting detecting apparatus, comprising: a dust emission container, a dust monitoring sensor, a dust-proof fiber web (not shown), a rotating unit and a supporting frame; the rotating unit is arranged on the supporting frame body, and a dust emission container is arranged on the rotating unit; the dust emission container comprises a dust emission pipe 2 and a pipe plug 1 arranged on the pipe orifice of the dust emission pipe 2; the dust monitoring sensor comprises a dust monitoring probe 13 and a data processing unit (not shown) in communication connection with the dust monitoring probe 13; the dust monitoring probe 13 is arranged in the dust emission pipe 2 of the dust emission container, and the dustproof fiber net is arranged outside the dust monitoring probe 13; the supporting frame body comprises a bottom plate 9 and side plates 8, and the two ends of the bottom plate 9 are respectively provided with the side plates 8 perpendicular to the bottom plate 9; the rotating unit comprises a rotating shaft 4, a fixed clamping ring 3, a jackscrew 6 and a rotating handle 5; the rotating shaft 4 is arranged on a side plate 8 of the supporting frame body, the rotating shaft 4 is parallel to a bottom plate 9 of the supporting frame body, a fixed clamping ring 3 is arranged on the rotating shaft 4, the dust emission pipe 2 is arranged in the fixed clamping ring 3, the jackscrew 6 is arranged on the fixed clamping ring 3, and the jackscrew 6 is in clamping contact with the outer wall of the dust emission pipe 2; one end of the rotating shaft 4 is provided with the rotating handle 5; the dust emission pipe 2 is made of organic glass; the dust emission pipe 2 had a volume of 500 ml.
During detection, firstly, 100g of tile glue is put into a dust emission pipe 2 of a dust emission container, and a pipe plug 1 is covered; then, the ceramic tile glue reciprocates up and down in the dust emission container by rotating the rotary rotating unit; and finally, stopping rotating after rotating for 5min, enabling the pipe orifice of the dust emission pipe 2 to face upwards, standing for 10s in the vertical direction, turning on a dust monitoring sensor, and recording concentration values in response to 30s as shown in the following table 1.
TABLE 1
Test example 2
The comprehensive performance of the mortar prepared in the examples and the comparative examples is tested according to JC/T547-2017 ceramic tile adhesive standard, and the specific test results are shown in Table 2.
TABLE 2
As can be seen from the test data in Table 2, each example after the dustproof agent and the coupling agent are added still has good comprehensive mortar performance, which indicates that the mortar performance is not affected by the addition of the dustproof agent and the coupling agent; the tensile bond strength and the post-soaking tensile bond strength of comparative example 2 were inferior to those of example 1, indicating that the absence of the coupling agent resulted in caking of the cementitious material, which in turn affected the bond strength.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (16)
1. The dustproof mortar is characterized by comprising the following components in parts by mass: 850 parts of aggregate 100-;
the dust-proof agent comprises a liquid additive and a thickening agent;
the liquid additive is at least one of water-soluble alcohol substances, water-soluble ester substances and water-soluble ether substances;
the preparation method of the dustproof mortar comprises the following steps:
uniformly mixing the aggregate and the coupling agent to obtain a first mixture;
uniformly mixing the first mixture, a cementing material, optional rubber powder, cellulose ether, an early strength agent and other functional auxiliaries to obtain a second mixture;
uniformly mixing the second mixture and the dustproof agent to obtain the dustproof mortar;
the aggregate is at least one of river sand, desert sand, machine-made sand, ceramsite sand, glass beads, expanded perlite, tailing sand and solid waste particles;
the cementing material is at least one of cement, lime, gypsum, water glass and aluminum dihydrogen phosphate.
2. The dust-proof mortar of claim 1, wherein the thickener is contained in an amount of 0.1 to 2 parts per 100 parts of the liquid additive.
3. The dust-proof mortar of claim 2, wherein the dust-proof agent is prepared by the following method: and uniformly mixing the liquid additive and the thickening agent to obtain the dustproof agent.
4. The dustproof mortar according to claim 2, wherein the water-soluble alcohol substance is at least one of polyvinyl alcohol, polyethylene glycol, water-soluble polyether polyol, vegetable oil polyether polyol, ethylene glycol, glycerin, n-propanol, n-ethanol, water-soluble alcohol isomers of n-propanol, and water-soluble alcohol isomers of n-ethanol.
5. The dust-proof mortar of claim 2, wherein the water-soluble ester is at least one of polyvinyl acetate, polymethylvinyl ester, dibutyl ester, sorbitan monooleate, polysorbate, glycerol trioleate, polyethylene glycol oleate and glycerol monooleate.
6. The dustproof mortar according to claim 2, wherein the aqueous ether substance is at least one of polyethylene glycol monomethyl ether, propylene glycol methyl ether, dipropylene glycol dimethyl ether and diethylene glycol monomethyl ether.
7. The dust-proof mortar of claim 2, wherein the liquid additive is at least one of polyethylene glycol, glycerol, and polyethylene glycol monomethyl ether.
8. The dust-control mortar of claim 2, wherein the thickener is at least one of cellulose ether, starch ether, polyacrylamide, polyacrylate, organic bentonite, diatomaceous earth, attapulgite, molecular sieves, silica gel, polyvinyl alcohol, polyvinyl pyrrolidone, polyethylene oxide, gelatin, and sodium alginate.
9. The dust mortar of claim 8, wherein the cellulose ether is at least one of a methyl cellulose ether, a carboxymethyl cellulose ether, a hydroxyethyl cellulose ether, and a hydroxypropyl methyl cellulose ether.
10. The dust-control mortar of claim 8, wherein the starch is at least one of tapioca starch, sweet potato starch, wheat starch, water chestnut starch, lotus root starch, corn starch, and oxidized starch.
11. The dust-control mortar of claim 8, wherein the starch ether is at least one of tapioca starch ether, sweet potato starch ether, wheat starch ether, water chestnut starch ether, lotus root starch ether, corn starch ether, and oxidized starch ether.
12. The dust-control mortar of claim 8, wherein the thickener is at least one of a carboxymethyl cellulose ether, an organic bentonite, and a starch.
13. The dust-proof mortar of claim 1, wherein the coupling agent is at least one of a silane coupling agent, a titanate coupling agent, an aluminate compound, and an organochromium complex.
14. The dust-proof mortar of claim 1,
the glue powder is at least one of ethylene-vinyl acetate copolymer, vinyl acetate-vinyl versatate copolymer, acrylate-styrene copolymer, styrene-butadiene copolymer, ethylene-vinyl chloride-vinyl laurate terpolymer, vinyl acetate-ethylene-vinyl versatate copolymer, vinyl acetate-acrylate-vinyl versatate copolymer, vinyl acetate-ethylene-acrylate copolymer, vinyl acetate-ethylene-methyl methacrylate copolymer, epoxy resin glue powder and polyvinyl alcohol resin glue powder;
the early strength agent is at least one of triethanolamine, calcium formate, urea, nitrite and chromate.
15. The dustproof mortar of claim 1, wherein the other functional additives comprise 0-10 parts of a waterproof agent, 0-10 parts of an antifreeze agent, 0-10 parts of a retarder, 0-10 parts of an anti-cracking additive and 0-10 parts of a water reducing agent.
16. The method for preparing the dustproof mortar according to any one of claims 1 to 15, wherein the method comprises:
uniformly mixing the aggregate and the coupling agent to obtain a first mixture;
uniformly mixing the first mixture, a cementing material, optional rubber powder, cellulose ether, an early strength agent and other functional auxiliaries to obtain a second mixture;
and uniformly mixing the second mixture and the dustproof agent to obtain the dustproof mortar.
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| CN110723937A (en) * | 2019-11-06 | 2020-01-24 | 成都南联科技有限公司 | Process for preparing special mortar by using quartz tailings |
| CN113683371B (en) * | 2021-10-11 | 2022-07-15 | 长沙豪威建材科技有限公司 | Cement-based dry-method stone-like PC brick with surface layer not absorbing water and returning alkali and production process thereof |
| CN114436589B (en) * | 2022-01-24 | 2023-05-05 | 东方雨虹砂粉科技集团有限公司 | Mortar composition and preparation method thereof |
| CN114806506B (en) * | 2022-05-16 | 2023-07-07 | 太原理工大学 | Dust suppression material and preparation method and application thereof |
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| CN110066157A (en) | 2019-07-30 |
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