CN110683794A - Adhesive mortar and preparation method thereof - Google Patents
Adhesive mortar and preparation method thereof Download PDFInfo
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- CN110683794A CN110683794A CN201911208524.9A CN201911208524A CN110683794A CN 110683794 A CN110683794 A CN 110683794A CN 201911208524 A CN201911208524 A CN 201911208524A CN 110683794 A CN110683794 A CN 110683794A
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- feeding pipeline
- bonding 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
- C04B26/285—Cellulose or derivatives thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C3/00—Apparatus or methods for mixing clay with other substances
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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
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/022—Agglomerated materials, e.g. artificial aggregates agglomerated by an organic binder
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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
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/023—Fired or melted materials
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
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Abstract
The invention provides a bonding mortar which is prepared from the following raw materials in parts by weight: 100-150 parts of polyurethane/epoxy resin/fly ash composite material, 50-100 parts of mineral admixture, 20-35 parts of wood fiber, 5-10 parts of carboxymethyl cellulose, 15-30 parts of EVA rubber powder, 3-7 parts of flame retardant, 5-15 parts of hydroxypropyl methyl cellulose ether, 5-10 parts of gelatin, 3-5 parts of sodium dodecyl benzene sulfonate, 05-15 parts of polyethylene glycol 40005, 10-20 parts of medium sand and 400 parts of water 200. In conclusion, the invention has the advantages of good cohesiveness, high strength, strong waterproof capability, prevention of ceramic tiles from falling off and wide application prospect.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to bonding mortar and a preparation method thereof.
Background
The mortar is a common building material and is generally used in masonry and plastering works, the mortar is prepared by mixing a cementing material (cement, lime, clay and the like) and a fine aggregate (sand) with water, and the mortar is divided into ① bonding mortar which is prepared from lime cream, sand and water according to a certain proportion and is generally used for masonry and a plastering layer which have low strength requirements and are not affected by humidity, ② cement mortar which is prepared from cement, sand and water according to a certain proportion and is generally used for the masonry, wall surfaces or ground surfaces in a humid environment or water, ③ mixed mortar which is prepared by mixing proper admixture such as fly ash, diatomite and the like into the cement or the lime mortar so as to save the using amount of the cement or the lime and improve the workability of the mortar, and the common mixed mortar comprises the cement mortar, the cement clay mortar, the clay mortar and the clay mortar.
Chinese patent application No. 201310033254.9 discloses ceramic tile bonding mortar, which consists of cement, yellow sand, tailing iron ore sand and an additive, wherein the mass percentage of each component is as follows: 40% of cement, 14.67-46.96% of yellow sand, 11.74-44.03% of tailing iron ore sand and 1.3% of an additive, wherein the additive is hydroxypropyl methyl cellulose ether or redispersible emulsion powder or a mixture of hydroxypropyl additive cellulose ether and redispersible emulsion powder. The patent discloses that the tailing iron ore sand is used in the ceramic tile bonding mortar, so that the tailing iron ore sand is fully utilized, and the environmental pollution is reduced. However, the tensile strength and the binding power of the binding mortar are reduced due to the addition of the tailing sand, so that the physical properties are reduced, and particularly, the tensile binding strength is lower along with the increase of the amount of the tailing sand.
Disclosure of Invention
The invention aims to provide bonding mortar and a preparation method thereof, which have the advantages of good bonding property, high strength and strong waterproof capability and can prevent ceramic tiles from falling off.
The technical scheme of the invention is realized as follows:
the invention provides bonding mortar which is prepared from the following raw materials in parts by weight: 100-150 parts of polyurethane/epoxy resin/fly ash composite material, 50-100 parts of mineral admixture, 20-35 parts of wood fiber, 5-10 parts of carboxymethyl cellulose, 15-30 parts of EVA rubber powder, 3-7 parts of flame retardant, 5-15 parts of hydroxypropyl methyl cellulose ether, 5-10 parts of gelatin, 3-5 parts of sodium dodecyl benzene sulfonate, 05-15 parts of polyethylene glycol 40005, 10-20 parts of medium sand and 400 parts of water 200; the mineral admixture comprises 15-30 parts of ground blast furnace slag, 5-10 parts of bentonite, 7-12 parts of ground calcium carbonate, 3-10 parts of talcum powder, 10-15 parts of basalt, 3-7 parts of washed sand, 20-30 parts of polyethylene glycol 40020 and 120 parts of water 100-; the mineral admixture is prepared by the following method: further grinding and crushing the ground blast furnace slag, bentonite, basalt, washed sand and ground limestone and sieving the ground blast furnace slag, the bentonite, the basalt, the washed sand and the ground limestone with a 500-mesh sieve to obtain powder, mixing and stirring the powder with talcum powder, polyethylene glycol 400 and water for 30-50min, performing swing granulation, sintering solid particles at the temperature of 1200-1500 ℃ for 2-3h, cooling, crushing and sieving the particles with a 500-mesh sieve to obtain a mineral admixture; the medium sand is common sand with the grain diameter of 0.13-0.66mm, the water content of 0, the mud content of 3.5 percent and the fineness modulus of 2.2-2.5.
As a further improvement of the invention, the polyurethane/epoxy resin/fly ash composite material is prepared by the following method:
s1, compounding of the fly ash and the epoxy resin: pouring fly ash into ethanol water solution, adding epoxy resin, stirring, treating for 30-60min, placing the compound in a drying oven, and vacuum drying at 60 deg.C for 1-2 hr;
s2 preparation of component A: taking out the compound, adding the compound into polyether polyol, adding a catalyst, and fully stirring for later use;
s3 preparation of the component B: weighing polyphenyl polymethylene polyisocyanate for later use;
s4 preparation of polyurethane/epoxy resin/fly ash composite material: and rapidly stirring and mixing the prepared component A and the component B, pouring the mixture into a cylindrical steel mould, demoulding after the mixture is solidified and formed, putting the demoulded mixture into water, and solidifying the demoulded mixture for 1 to 3 hours under the drying condition of different temperatures of 30 ℃.
As a further improvement of the present invention, the mass fraction of ethanol in the ethanol solution in step S1 is 75%.
As a further improvement of the invention, in step S2, the polyether polyol is one or more selected from polyoxypropylene diol, polytetrahydrofuran diol and tetrahydrofuran-propylene oxide copolymerized diol.
As a further improvement of the invention, in step S2, the catalyst is one or more selected from dibutyltin dilaurate, stannous isooctanoate, triethylenediamine, dimethylethanolamine, bis (dimethylaminoethyl) ether, N-ethyl morpholine, N' -dimethylpiperazine and N-methyloxymorpholine.
As a further improvement of the invention, the stirring rotation speed in steps S1 and S2 is 700r/min, and the rapid stirring rotation speed in step S4 is 1200 r/min.
As a further improvement of the invention, the mass ratio of the fly ash to the epoxy resin is (2-4): 1, the mass ratio of the compound, polyether polyol, polyphenyl polymethylene polyisocyanate and catalyst is 100: (20-35): (17-20)(0.5-1).
As a further improvement of the invention, the flame retardant is one or a mixture of more of antimony trioxide, magnesium hydroxide, aluminum hydroxide, ammonium polyphosphate, triphenyl phosphate and decabromodiphenyl ether.
The invention further provides a preparation method of the bonding mortar, which comprises the following steps:
s1, dissolving carboxymethyl cellulose, gelatin and sodium dodecyl benzene sulfonate in water, and stirring and mixing uniformly to obtain a solution I;
s2, mixing hydroxypropyl methyl cellulose ether, polyethylene glycol 4000, EVA rubber powder and a flame retardant, heating to 60 ℃, and dispersing into a solution state by an emulsion dispersing machine to obtain a solution II;
and S3, uniformly mixing the solution I and the solution II with a polyurethane/epoxy resin/fly ash composite material, wood fiber, medium sand and mineral admixture to obtain the bonding mortar.
As a further improvement of the invention, the dispersion speed of the emulsion dispersion machine is 2000-3000r/min, and the dispersion time is 1-2 h.
As a further improvement of the invention, the raw materials of the bonding mortar are stirred by a quantitative mechanism, the quantitative mechanism is a quantitative feeding mechanism for a bonding mortar stirring device, and comprises a feeding pipeline, a storage bin is arranged on the upper end surface of the feeding pipeline, the storage bin and the feeding pipeline are fixedly connected through a bolt, one end of the feeding pipeline is provided with a limiting piece, the limiting piece is fixedly connected with the feeding pipeline, the other end of the feeding pipeline is provided with a sealing piece, the sealing piece is fixedly connected with the feeding pipeline, the outer side of the limiting piece is provided with a driving device, the driving device is fixedly connected with the limiting piece through a screw, the lower end of the feeding pipeline is provided with a fixing frame, and the fixing frame is.
As a further improvement of the invention, the upper end face of the feeding pipeline is fixedly connected with a feeding pipe, the feeding pipe and the feeding pipeline are communicated with each other, the top end of the feeding pipe is fixedly connected with a first connecting seat, the upper end face of the feeding pipeline is also fixedly connected with an overflow cabin, the top end of the overflow cabin is provided with an observation window, the lower end face of the feeding pipeline is fixedly connected with a discharging pipe, the discharging pipe and the feeding pipeline are communicated with each other, the lower end face of the feeding pipeline is fixedly connected with a fixed seat, the fixed seat is symmetrically provided with a connecting hole in a penetrating way, the feeding pipe is fixedly connected with the upper end face of the feeding pipeline, so that raw materials are conveniently added, the overflow cabin is fixedly connected with the upper end face of the feeding pipeline, so that the raw materials are prevented from being blocked at the discharging pipe, the discharging pipe is fixedly connected with the lower end face of the feeding pipeline, in order to facilitate the fixation of the feeding pipe.
As a further improvement of the invention, the storage bin is in a funnel-shaped structure, the bottom end of the storage bin is fixedly connected with the discharge pipe, the bottom end of the discharge pipe is fixedly connected with the second connecting seat, the storage bin is arranged to facilitate the storage of raw materials, and the second connecting seat is fixedly connected with the bottom end of the discharge pipe to facilitate the storage bin to be fixedly arranged at the top end of the charging pipe through bolts.
As a further improvement of the invention, the side surface of the limiting part is fixedly connected with a limiting ring, a limiting hole is arranged at the center of the limiting part in a penetrating way, and the side surface of the sealing part is fixedly connected with a limiting seat.
The driving device comprises a motor, a screw shaft and blades, wherein the output end of the motor is fixedly connected with the screw shaft, the outer side surface of the screw shaft is fixedly connected with the blades, the lower end surface of the motor is fixedly connected with a motor mounting seat, the motor is arranged for providing power for conveying raw materials, the screw shaft and the blades are arranged for facilitating conveying of the raw materials in a feeding pipeline, and the motor mounting seat is fixedly connected to the lower end surface of the motor for facilitating fixing of the motor through bolts.
As a further improvement of the invention, the fixing frame comprises a supporting plate and supporting legs, the lower end face of the supporting plate is symmetrically provided with the supporting legs, the supporting legs and the supporting plate are fixedly connected in a welding mode, the supporting plate is provided with a limiting window in a penetrating mode, the bottom ends of the supporting legs are fixedly connected with a connecting seat, the fixing frame is arranged to provide a supporting effect for the feeding pipeline conveniently, the supporting legs are symmetrically arranged on the lower end face of the supporting plate to provide a supporting effect for the supporting plate, and the connecting seat is fixedly connected to the bottom ends of the supporting legs to fix the fixing frame conveniently.
The invention has the following beneficial effects: the polyurethane/epoxy resin/fly ash composite material prepared by the invention has excellent heat preservation property of polyurethane, and simultaneously, the epoxy resin connects the fly ash and the polyurethane into a whole, so that the prepared material has excellent mechanical property and cohesiveness;
the mineral admixture, the gelatin, the carboxymethyl cellulose and the polyethylene glycol 4000 can permeate into the veneering surface layer of the ceramic tile through the interaction of the solvent to form a layer of compact net-shaped structure with other materials, so that the strength is high, the cohesiveness is durable, and the ceramic tile is not easy to fall off;
in the invention, the mineral admixture is prepared by grinding blast furnace slag, bentonite, ground limestone, talcum powder, basalt, washed sand and other materials, so that the tensile strength and the compressive strength of the mortar can be obviously improved;
the invention has the characteristics of reasonable structure and convenient operation and control, can quantitatively add raw materials according to the requirement through the matching between the arranged driving device and the feeding pipeline, and can also prevent a large amount of dust from being raised when the raw materials are added.
The feeding pipe is fixedly connected to the upper end face of the feeding pipeline, so that raw materials are added conveniently, the overflow cabin is further fixedly connected to the upper end face of the feeding pipeline, so that the raw materials are prevented from being blocked at the discharging pipe, the discharging pipe is fixedly connected to the lower end face of the feeding pipeline, so that the raw materials are discharged conveniently, and the fixed seat is fixedly connected to the lower end face of the feeding pipeline, so that the feeding pipeline is fixed conveniently.
The motor is arranged to provide power for conveying raw materials, the spiral shaft and the blades are arranged to facilitate conveying of the raw materials in the feeding pipeline, and the motor mounting seat is fixedly connected to the lower end face of the motor to facilitate fixing of the motor through bolts.
The fixing frame is arranged to provide a supporting function for the feeding pipeline conveniently, the supporting legs are symmetrically arranged on the lower end face of the supporting plate to provide a supporting function for the supporting plate, and the connecting seat is fixedly connected to the bottom ends of the supporting legs to fix the fixing frame conveniently.
In conclusion, the invention has the advantages of good cohesiveness, high strength, strong waterproof capability, prevention of ceramic tiles from falling off and wide application prospect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a first schematic structural view of a quantitative feeding mechanism for a bonding mortar stirring device according to the present invention;
FIG. 2 is a second schematic structural view of a quantitative feeding mechanism for a bonding mortar stirring device according to the present invention;
FIG. 3 is a schematic view of a disassembled structure of a quantitative feeding mechanism for a bonding mortar stirring device according to the present invention;
FIG. 4 is a schematic structural view of a feeding pipeline of the quantitative feeding mechanism for the bonding mortar stirring device according to the present invention;
FIG. 5 is a schematic structural diagram of a storage bin of a quantitative feeding mechanism for a bonding mortar stirring device according to the present invention;
FIG. 6 is a schematic structural diagram of a limiting member of the quantitative feeding mechanism for a bonding mortar stirring apparatus according to the present invention;
FIG. 7 is a schematic structural view of a sealing member of a quantitative feeding mechanism for a bonding mortar stirring apparatus according to the present invention;
FIG. 8 is a schematic structural view of a driving device of a quantitative feeding mechanism for a bonding mortar stirring device according to the present invention;
FIG. 9 is a schematic structural view of a fixing frame of a quantitative feeding mechanism for a bonding mortar stirring device according to the present invention;
FIG. 10 is the test results of the present invention.
In the figure: 1. a feed line; 11. a feed tube; 111. a first connecting seat; 12. an overflow compartment; 121. an observation window; 13. a discharge pipe; 14. a fixed seat; 141. connecting holes; 2. a storage bin; 21. a discharge pipe; 211. a second connecting seat; 3. a limiting member; 31. a limiting ring; 32. a limiting hole; 4. a seal member; 41. a limiting seat; 5. a drive device; 51. a motor; 511. a motor mounting seat; 52. a screw shaft; 53. a blade; 6. a fixed mount; 61. a support plate; 611. a limiting window; 62. supporting legs; 621. a connecting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The raw materials comprise the following components in parts by weight: 100 parts of polyurethane/epoxy resin/fly ash composite material, 50 parts of mineral admixture, 20 parts of wood fiber, 5 parts of carboxymethyl cellulose, 15 parts of EVA rubber powder, 3 parts of magnesium hydroxide, 5 parts of hydroxypropyl methyl cellulose ether, 5 parts of gelatin, 3 parts of sodium dodecyl benzene sulfonate, 40005 parts of polyethylene glycol, 10 parts of medium sand and 200 parts of water.
The mineral admixture comprises the following components in parts by weight: 15 parts of ground blast furnace slag, 5 parts of bentonite, 7 parts of ground calcium carbonate, 3 parts of talcum powder, 10 parts of basalt, 3 parts of washed sand, 20 parts of polyethylene glycol 40020 parts and 100 parts of water.
The mineral admixture is prepared by the following method: further grinding and crushing the ground blast furnace slag, bentonite, basalt, washed sand and ground limestone, sieving with a 500-mesh sieve, mixing the obtained powder with talcum powder, polyethylene glycol 400 and water, stirring for 30min, performing swing granulation, sintering the solid particles at 1200 ℃ for 2h, cooling, crushing, and sieving with a 500-mesh sieve to obtain the mineral admixture.
The medium sand is common sand with the grain diameter of 0.13-0.66mm, the water content of 0, the mud content of 3.5 percent and the fineness modulus of 2.2.
The polyurethane/epoxy resin/fly ash composite material is prepared by the following method:
s1.20g of fly ash and 10g of epoxy resin: pouring fly ash into 75% ethanol water solution, adding epoxy resin, stirring at 500r/min, treating for 30min, placing the compound in a drying oven, and vacuum drying at 60 deg.C for 1 h;
s2 preparation of component A: 100g of the composite is taken out and added into 20g of polyoxypropylene glycol, 0.5g of bis (dimethylaminoethyl) is added, and the mixture is fully stirred at 500r/min for standby;
s3 preparation of the component B: weighing 17g of polyphenyl polymethylene polyisocyanate for later use;
s4 preparation of polyurethane/epoxy resin/fly ash composite material: the prepared component A and the component B are quickly stirred and mixed (the rotating speed is 1000 r/min), poured into a cylindrical steel mould, demoulded after being solidified and formed, put into water and solidified for 1h under the drying condition of different temperatures of 30 ℃.
The preparation method of the bonding mortar comprises the following steps:
s1, dissolving carboxymethyl cellulose, gelatin and sodium dodecyl benzene sulfonate in water, and stirring and mixing uniformly to obtain a solution I;
s2, mixing hydroxypropyl methyl cellulose ether, polyethylene glycol 4000, EVA rubber powder and magnesium hydroxide, heating to 60 ℃, and dispersing into a solution state by an emulsion dispersing machine, wherein the dispersing speed is 2000r/min, and the dispersing time is 1h to obtain a solution II;
s3, mixing the solution I, the solution II and polyurethane/epoxy resin/fly ash.
Example 2
The raw materials comprise the following components in parts by weight: 150 parts of polyurethane/epoxy resin/fly ash composite material, 100 parts of mineral admixture, 35 parts of wood fiber, 10 parts of carboxymethyl cellulose, 30 parts of EVA rubber powder, 7 parts of aluminum hydroxide, 15 parts of hydroxypropyl methyl cellulose ether, 10 parts of gelatin, 5 parts of sodium dodecyl benzene sulfonate, 400015 parts of polyethylene glycol, 20 parts of medium sand and 400 parts of water.
The mineral admixture comprises the following components in parts by weight: 30 parts of ground blast furnace slag, 10 parts of bentonite, 12 parts of ground calcium carbonate, 10 parts of talcum powder, 15 parts of basalt, 7 parts of washed sand, 30 parts of polyethylene glycol 400and 120 parts of water.
The mineral admixture is prepared by the following method: further grinding and crushing the ground blast furnace slag, bentonite, basalt, washed sand and ground limestone, sieving with a 500-mesh sieve, mixing the obtained powder with talcum powder, polyethylene glycol 400 and water, stirring for 50min, performing swing granulation, sintering the solid particles at 1500 ℃ for 3h, cooling, crushing, and sieving with a 500-mesh sieve to obtain the mineral admixture.
The medium sand is common sand with the grain diameter of 0.13-0.66mm, the water content of 0, the mud content of 3.5 percent and the fineness modulus of 2.5.
The polyurethane/epoxy resin/fly ash composite material is prepared by the following method:
s1.20-40 g of fly ash and 10g of epoxy resin: pouring fly ash into 75% ethanol water solution, adding epoxy resin, stirring at 700r/min, treating for 60min, placing the compound in a drying oven, and vacuum drying at 60 deg.C for 2 h;
s2 preparation of component A: taking out 100g of the compound, adding the compound into 35g of polytetrahydrofuran diol, adding 1g of stannous isooctanoate, and fully stirring at 700r/min for later use;
s3 preparation of the component B: weighing 20g of polyphenyl polymethylene polyisocyanate for later use;
s4 preparation of polyurethane/epoxy resin/fly ash composite material: and rapidly stirring and mixing the prepared component A and the component B (the rotating speed is 1200 r/min), pouring the mixture into a cylindrical steel mould, demoulding after the mixture is solidified and formed, putting the demoulded mixture into water, and solidifying the mixture for 3 hours under the drying condition of different temperatures and 30 ℃.
The preparation method of the bonding mortar comprises the following steps:
s1, dissolving carboxymethyl cellulose, gelatin and sodium dodecyl benzene sulfonate in water, and stirring and mixing uniformly to obtain a solution I;
s2, mixing hydroxypropyl methyl cellulose ether, polyethylene glycol 4000, EVA rubber powder and aluminum hydroxide, heating to 60 ℃, and dispersing into a solution state by an emulsion dispersing machine at a dispersion speed of 3000r/min for 2h to obtain a solution II;
s3, mixing the solution I, the solution II and polyurethane/epoxy resin/fly ash.
Example 3
The raw materials comprise the following components in parts by weight: 125 parts of polyurethane/epoxy resin/fly ash composite material, 70 parts of mineral admixture, 27 parts of wood fiber, 7 parts of carboxymethyl cellulose, 22 parts of EVA rubber powder, 5 parts of antimony trioxide, 10 parts of hydroxypropyl methyl cellulose ether, 7 parts of gelatin, 4 parts of sodium dodecyl benzene sulfonate, 400010 parts of polyethylene glycol, 15 parts of medium sand and 300 parts of water.
The mineral admixture comprises the following components in parts by weight: 22 parts of ground blast furnace slag, 7 parts of bentonite, 10 parts of ground calcium carbonate, 5 parts of talcum powder, 12 parts of basalt, 5 parts of washed sand, 25 parts of polyethylene glycol 40025 parts and 110 parts of water.
The mineral admixture is prepared by the following method: further grinding and crushing the ground blast furnace slag, bentonite, basalt, washed sand and ground limestone, sieving with a 500-mesh sieve, mixing the obtained powder with talcum powder, polyethylene glycol 400 and water, stirring for 40min, performing swing granulation, sintering the solid particles at 1350 ℃ for 2.5h, cooling, crushing, and sieving with a 500-mesh sieve to obtain the mineral admixture.
The medium sand is common sand with the grain diameter of 0.13-0.66mm, the water content of 0, the mud content of 3.5 percent and the fineness modulus of 2.4.
The polyurethane/epoxy resin/fly ash composite material is prepared by the following method:
s1.30g of fly ash and 10g of epoxy resin: pouring fly ash into 75% ethanol water solution, adding epoxy resin, stirring at 600r/min, treating for 45min, placing the compound in a drying oven, and vacuum drying at 60 deg.C for 1.5 h;
s2 preparation of component A: taking 100g of the compound out, adding the compound into 28g of polytetrahydrofuran diol, adding 0.7g of dibutyltin dilaurate, and fully stirring at 600r/min for later use;
s3 preparation of the component B: weighing 18g of polyphenyl polymethylene polyisocyanate for later use;
s4 preparation of polyurethane/epoxy resin/fly ash composite material: and rapidly stirring and mixing the prepared component A and the component B (the rotating speed is 1100 r/min), pouring the mixture into a cylindrical steel mould, demoulding after the mixture is solidified and formed, putting the demoulded mixture into water, and solidifying the mixture for 2 hours under the drying condition of different temperatures of 30 ℃.
The preparation method of the bonding mortar comprises the following steps:
s1, dissolving carboxymethyl cellulose, gelatin and sodium dodecyl benzene sulfonate in water, and stirring and mixing uniformly to obtain a solution I;
s2, mixing hydroxypropyl methyl cellulose ether, polyethylene glycol 4000, EVA rubber powder and antimony trioxide, heating to 60 ℃, and dispersing into a solution state by an emulsion dispersing machine at a dispersing speed of 2500r/min for 1.5h to obtain a solution II;
s3, mixing the solution I, the solution II and polyurethane/epoxy resin/fly ash.
Example 4
Referring to fig. 1-9, a quantitative feeding mechanism for a bonding mortar stirring device comprises a feeding pipeline 1, wherein a feeding pipe 11 is fixedly connected to the upper end surface of the feeding pipeline 1, the feeding pipe 11 and the feeding pipeline 1 are communicated with each other, a first connecting seat 111 is fixedly connected to the top end of the feeding pipe 11, an overflow chamber 12 is also fixedly connected to the upper end surface of the feeding pipeline 1, an observation window 121 is arranged at the top end of the overflow chamber 12, a discharging pipe 13 is fixedly connected to the lower end surface of the feeding pipeline 1, the discharging pipe 13 and the feeding pipeline 1 are communicated with each other, a fixing seat 14 is fixedly connected to the lower end surface of the feeding pipeline 1, connecting holes 141 are symmetrically formed in the fixing seat 14 in a penetrating manner, the feeding pipe 11 is fixedly connected to the upper end surface of the feeding pipeline 1 for facilitating the addition of raw materials, the overflow chamber 12 is also fixedly connected to the upper end surface of the feeding pipeline 1 for preventing the, a discharge pipe 13 is fixedly connected to the lower end face of the feeding pipeline 1 to facilitate discharging raw materials, and a fixed seat 14 is fixedly connected to the lower end face of the feeding pipeline 1 to facilitate fixing the feeding pipeline 1;
the feeding device comprises a feeding pipe 1, a storage bin 2, a discharging pipe 21, a second connecting seat 211 and a feeding pipe 1, wherein the storage bin 2 is arranged on the upper end face of the feeding pipe 1, the storage bin 2 and the feeding pipe 1 are fixedly connected through bolts, the storage bin 2 is in a funnel-shaped structure, the discharging pipe 21 is fixedly connected to the bottom end of the storage bin 2, the second connecting seat 211 is fixedly connected to the bottom end of the discharging pipe 21, and the storage bin 2 is fixedly arranged on the top end of a feeding pipe 11 through bolts; one end of the feeding pipeline 1 is provided with a limiting part 3, the limiting part 3 is fixedly connected with the feeding pipeline 1, the other end of the feeding pipeline 1 is provided with a sealing part 4, the sealing part 4 is fixedly connected with the feeding pipeline 1, the side surface of the limiting part 3 is fixedly connected with a limiting ring 31, a limiting hole 32 is formed in the center of the limiting part 3 in a penetrating mode, the side surface of the sealing part 4 is fixedly connected with a limiting seat 41, the limiting part 3 is arranged to facilitate sealing one end of the feeding pipeline 1 and limiting the spiral shaft 52, and the sealing part 4 is arranged to facilitate sealing the other end of the feeding pipeline 1, so that raw materials are prevented from overflowing;
the driving device 5 is arranged outside the limiting piece 3, the driving device 5 and the limiting piece 3 are fixedly connected through screws, the driving device 5 comprises a motor 51, a screw shaft 52 and blades 53, the output end of the motor 51 is fixedly connected with the screw shaft 52, the outer side surface of the screw shaft 52 is fixedly connected with the blades 53, the lower end surface of the motor 51 is fixedly connected with a motor mounting seat 511, the motor 51 is arranged to provide power for conveying raw materials, the screw shaft 52 and the blades 53 are arranged to facilitate conveying the raw materials inside the feeding pipeline 1, and the motor mounting seat 511 is fixedly connected to the lower end surface of the motor 51 to facilitate fixing the motor 51 through bolts; conveying pipeline 1's lower extreme is provided with mount 6, mount 6 and conveying pipeline 1 pass through screw fixed connection, mount 6 includes backup pad 61 and supporting leg 62, the lower terminal surface symmetry of backup pad 61 is provided with supporting leg 62, supporting leg 62 and backup pad 61 pass through welding mode fixed connection, run through on the backup pad 61 and seted up spacing window 611, the bottom fixedly connected with connecting seat 621 of supporting leg 62, be so as to provide a supporting role for conveying pipeline 1 through setting up mount 6, be provided with supporting leg 62 through the lower terminal surface symmetry at backup pad 61, be so as to provide a supporting role for backup pad 61, through the bottom fixedly connected with connecting seat 621 at supporting leg 62, be so as to fix mount 6 for the sake of convenience.
The working principle of the invention is as follows: firstly, raw materials are added into the storage bin 2, then the conveying quantity of the raw materials can be controlled by controlling the rotating speed of the spiral shaft 52, and then the raw materials can be accurately and quantitatively added, and because the feeding pipeline 1 adopts a sealing structure, a large amount of dust can be prevented from being generated when the raw materials are added.
Example 5
The results of the performance tests conducted on examples 1 to 3 of the present invention are shown in FIG. 10.
Compared with the prior art, the polyurethane/epoxy resin/fly ash composite material prepared by the invention has excellent heat preservation property of polyurethane, and simultaneously, the epoxy resin connects the fly ash and the polyurethane into a whole, so that the prepared material has excellent mechanical property and cohesiveness;
the mineral admixture, the gelatin, the carboxymethyl cellulose and the polyethylene glycol 4000 can permeate into the veneering surface layer of the ceramic tile through the interaction of the solvent to form a layer of compact net-shaped structure with other materials, so that the strength is high, the cohesiveness is durable, and the ceramic tile is not easy to fall off;
in the invention, the mineral admixture is prepared by grinding blast furnace slag, bentonite, ground limestone, talcum powder, basalt, washed sand and other materials, so that the tensile strength and the compressive strength of the mortar can be obviously improved;
in conclusion, the invention has the advantages of good cohesiveness, high strength, strong waterproof capability, prevention of ceramic tiles from falling off and wide application prospect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The bonding mortar is characterized by being prepared from the following raw materials in parts by weight: 100-150 parts of polyurethane/epoxy resin/fly ash composite material, 50-100 parts of mineral admixture, 20-35 parts of wood fiber, 5-10 parts of carboxymethyl cellulose, 15-30 parts of EVA rubber powder, 3-7 parts of flame retardant, 5-15 parts of hydroxypropyl methyl cellulose ether, 5-10 parts of gelatin, 3-5 parts of sodium dodecyl benzene sulfonate, 05-15 parts of polyethylene glycol 40005, 10-20 parts of medium sand and 400 parts of water 200.
2. A bonding mortar as claimed in claim 1, characterised in that the polyurethane/epoxy resin/fly ash composite is prepared by the following method:
s1, compounding of the fly ash and the epoxy resin: pouring fly ash into ethanol water solution, adding epoxy resin, stirring, treating for 30-60min, placing the compound in a drying oven, and vacuum drying at 60 deg.C for 1-2 hr;
s2 preparation of component A: taking out the compound, adding the compound into polyether polyol, adding a catalyst, and fully stirring for later use;
s3 preparation of the component B: weighing polyphenyl polymethylene polyisocyanate for later use;
s4 preparation of polyurethane/epoxy resin/fly ash composite material: and rapidly stirring and mixing the prepared component A and the component B, pouring the mixture into a cylindrical steel mould, demoulding after the mixture is solidified and formed, putting the demoulded mixture into water, and solidifying the demoulded mixture for 1 to 3 hours under the drying condition of different temperatures of 30 ℃.
3. The bonding mortar of claim 2, wherein the raw materials of the bonding mortar are stirred by a quantitative mechanism, the quantitative mechanism is a quantitative feeding mechanism for a bonding mortar stirring device, the quantitative feeding mechanism comprises a feeding pipeline, a storage bin is arranged on the upper end face of the feeding pipeline, the storage bin and the feeding pipeline are fixedly connected through a bolt, a limiting part is arranged at one end of the feeding pipeline, the limiting part is fixedly connected with the feeding pipeline, a sealing part is arranged at the other end of the feeding pipeline, the sealing part is fixedly connected with the feeding pipeline, a driving device is arranged on the outer side of the limiting part, the driving device is fixedly connected with the limiting part through a screw, a fixing frame is arranged at the lower end of the feeding pipeline, and the fixing frame is fixedly connected with the feeding pipeline through a screw.
4. The adhesive mortar of claim 3, wherein the feeding pipeline is fixedly connected with a feeding pipe, the feeding pipe and the feeding pipeline are communicated with each other, the top end of the feeding pipe is fixedly connected with the first connecting seat, the upper end surface of the feeding pipeline is also fixedly connected with an overflow cabin, the top end of the overflow cabin is provided with an observation window, the lower end surface of the feeding pipeline is fixedly connected with a discharging pipe, the discharging pipe and the feeding pipeline are communicated with each other, the lower end surface of the feeding pipeline is fixedly connected with a fixing seat, and the fixing seat is symmetrically provided with connecting holes in a penetrating manner.
5. The bonding mortar of claim 4, wherein the storage bin is shaped like a funnel, a discharge pipe is fixedly connected to the bottom end of the storage bin, and a second connecting seat is fixedly connected to the bottom end of the discharge pipe.
6. The bonding mortar of claim 5, wherein a limiting ring is fixedly connected to a side surface of the limiting member, a limiting hole is formed through the center of the limiting member, and a limiting seat is fixedly connected to a side surface of the sealing member.
7. The bonding mortar of claim 6, wherein the mass ratio of the fly ash to the epoxy resin is (2-4): 1, the mass ratio of the compound, polyether polyol, polyphenyl polymethylene polyisocyanate and catalyst is 100: (20-35): (17-20)(0.5-1).
8. A bonding mortar according to claim 7, characterised in that the flame retardant is selected from one or a mixture of antimony trioxide, magnesium hydroxide, aluminium hydroxide, ammonium polyphosphate, triphenyl phosphate and decabromodiphenyl ether.
9. A process for the preparation of a bonding mortar according to any one of claims 1 to 8, characterized in that it comprises the following steps:
s1, dissolving carboxymethyl cellulose, gelatin and sodium dodecyl benzene sulfonate in water, and stirring and mixing uniformly to obtain a solution I;
s2, mixing hydroxypropyl methyl cellulose ether, polyethylene glycol 4000, EVA rubber powder and a flame retardant, heating to 60 ℃, and dispersing into a solution state by an emulsion dispersing machine to obtain a solution II;
and S3, uniformly mixing the solution I and the solution II with a polyurethane/epoxy resin/fly ash composite material, wood fiber, medium sand and mineral admixture to obtain the bonding mortar.
10. The preparation method of the bonding mortar of claim 9, wherein the driving device comprises a motor, a screw shaft and a blade, the output end of the motor is fixedly connected with the screw shaft, the outer side surface of the screw shaft is fixedly connected with the blade, and the lower end surface of the motor is fixedly connected with a motor mounting seat.
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| CN103192453A (en) * | 2013-03-26 | 2013-07-10 | 杭州灵建工程机械有限公司 | High-efficiency mortar rolling type automatic stirrer |
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| CN103192453A (en) * | 2013-03-26 | 2013-07-10 | 杭州灵建工程机械有限公司 | High-efficiency mortar rolling type automatic stirrer |
| CN105643797A (en) * | 2016-03-21 | 2016-06-08 | 杭州灵建工程机械有限公司 | Rotary water-preadded stirring mortar storage tank |
| CN106396557A (en) * | 2016-09-18 | 2017-02-15 | 广西棕海园林工程有限公司 | Ceramic tile adhesive mortar and preparation method thereof |
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