CN114409340B - Soil curing agent and preparation method thereof - Google Patents
Soil curing agent and preparation method thereof Download PDFInfo
- Publication number
- CN114409340B CN114409340B CN202210126070.6A CN202210126070A CN114409340B CN 114409340 B CN114409340 B CN 114409340B CN 202210126070 A CN202210126070 A CN 202210126070A CN 114409340 B CN114409340 B CN 114409340B
- Authority
- CN
- China
- Prior art keywords
- parts
- stirring
- graphene
- solution
- montmorillonite
- Prior art date
- 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.)
- Active
Links
- 239000002689 soil Substances 0.000 title claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims description 38
- 239000000463 material Substances 0.000 claims abstract description 79
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 42
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 37
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 16
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000010457 zeolite Substances 0.000 claims abstract description 16
- 239000011398 Portland cement Substances 0.000 claims abstract description 14
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims abstract description 13
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims abstract description 13
- 235000019837 monoammonium phosphate Nutrition 0.000 claims abstract description 13
- 238000013329 compounding Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000012986 modification Methods 0.000 claims abstract description 4
- 230000004048 modification Effects 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 74
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 32
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 26
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 25
- 239000002070 nanowire Substances 0.000 claims description 25
- 238000005245 sintering Methods 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 17
- 229920001661 Chitosan Polymers 0.000 claims description 16
- 239000011787 zinc oxide Substances 0.000 claims description 14
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 13
- 230000005284 excitation Effects 0.000 claims description 13
- 239000002657 fibrous material Substances 0.000 claims description 12
- 239000003583 soil stabilizing agent Substances 0.000 claims description 11
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 10
- 229960000583 acetic acid Drugs 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 229910052746 lanthanum Inorganic materials 0.000 claims description 10
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 10
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 claims description 10
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 10
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 10
- 150000002910 rare earth metals Chemical class 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004246 zinc acetate Substances 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 229940099596 manganese sulfate Drugs 0.000 claims description 5
- 239000011702 manganese sulphate Substances 0.000 claims description 5
- 235000007079 manganese sulphate Nutrition 0.000 claims description 5
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 235000011056 potassium acetate Nutrition 0.000 claims description 5
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 claims description 5
- 230000036632 reaction speed Effects 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 2
- 238000009396 hybridization Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract description 6
- 230000003213 activating effect Effects 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- LLSDKQJKOVVTOJ-UHFFFAOYSA-L calcium chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Ca+2] LLSDKQJKOVVTOJ-UHFFFAOYSA-L 0.000 description 1
- 229940052299 calcium chloride dihydrate Drugs 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PGQAXGHQYGXVDC-UHFFFAOYSA-N dodecyl(dimethyl)azanium;chloride Chemical compound Cl.CCCCCCCCCCCCN(C)C PGQAXGHQYGXVDC-UHFFFAOYSA-N 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
-
- 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
- C04B2111/00008—Obtaining or using nanotechnology related materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00732—Uses not provided for elsewhere in C04B2111/00 for soil stabilisation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a soil curing agent which comprises the following raw materials in parts by weight: 45-55 parts of portland cement, 10-20 parts of graphene interpenetration materials, 5-10 parts of hybrid modified materials, 4-8 parts of ammonium dihydrogen phosphate, 1-5 parts of ethylenediamine, 2-5 parts of superfine zeolite powder, 1-3 parts of montmorillonite reinforcing agent and 90-110 parts of water. The soil curing agent takes cement as a matrix, adopts graphene interpenetration materials, hybrid modified materials, ultrafine zeolite powder, montmorillonite reinforcing agent and other raw materials for auxiliary compounding, and can obviously enhance the performance of the product through the matching use of the raw materials; the graphene interlude material is prepared by thermally modifying graphene, preliminarily activating, activating and dispersing the graphene by an active modification liquid, and the obtained graphene lamellar structure has high activity and is distributed in a matrix as a lamellar structure, so that the overall strength performance of the matrix is improved.
Description
Technical Field
The invention relates to the technical field of soil solidification, in particular to a soil solidifying agent and a preparation method thereof.
Background
The soil curing agent is a soil curing admixture for short, and is a novel energy-saving and environment-friendly engineering material which is synthesized by various inorganic and organic materials and used for curing various soils. For the soil to be reinforced, according to the physical and chemical properties of the soil, only a certain amount of curing agent needs to be added, and the required performance index can be achieved through uniform stirring and compaction treatment.
The existing soil curing agent is prepared by mostly adopting conventional portland cement and inorganic raw materials, the performance of the curing agent is general, and for example, Chinese patent CN113717729A discloses a novel soil curing agent which comprises the following raw materials in parts by weight: 30-40 parts of sodium chloride, 300-400 parts of aluminate cement, 10-20 parts of polysaccharide, 20-30 parts of chitosan, 30-40 parts of alumina, 10-20 parts of gelatin, 20-40 parts of calcium chloride dihydrate and 30-50 parts of dodecyl dimethyl ammonium chloride.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a soil stabilizer and a preparation method thereof, so as to solve the problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a soil curing agent which comprises the following raw materials in parts by weight:
45-55 parts of portland cement, 10-20 parts of graphene interpenetration materials, 5-10 parts of hybrid modified materials, 4-8 parts of ammonium dihydrogen phosphate, 1-5 parts of ethylenediamine, 2-5 parts of superfine zeolite powder, 1-3 parts of montmorillonite reinforcing agent and 90-110 parts of water;
the preparation method of the hybrid modified material comprises the following steps:
s1: compounding and mixing the potassium titanate whisker, the hybrid fiber and the pretreated nanowire according to the weight ratio of 5:3: 1;
s2: sending into dodecyl sodium sulfate solution with mass fraction of 1-5% and 2-3 times of the total amount of potassium titanate whisker, stirring and dispersing, and stirring to be full;
s3: then adding polyethylene glycol accounting for 10-20% of the total amount of the sodium dodecyl sulfate solution, stirring at the rotating speed of 500-1000r/min for 30-40min, and obtaining the hybrid modified material after the stirring is finished.
Preferably, the soil stabilizer comprises the following raw materials in parts by weight:
50 parts of Portland cement, 15 parts of graphene interpenetration materials, 7.5 parts of hybrid modified materials, 6 parts of ammonium dihydrogen phosphate, 3 parts of ethylenediamine, 3.5 parts of superfine zeolite powder, 2 parts of montmorillonite reinforcing agent and 100 parts of water.
Preferably, the preparation method of the graphene interlining material comprises the following steps:
s1: preparing glacial acetic acid and chitosan into a chitosan solution with the mass fraction of 5-7%, adding the chitosan solution into the excitation point solution according to the weight ratio of 1:3, and stirring the solution fully to obtain an active modified solution;
s2: feeding the graphene into a reaction kettle at the temperature of 100-200 ℃ for reaction for 15-25min, then heating to the temperature of 350-370 ℃ at the speed of 1-3 ℃/min, preserving the heat for 15-25min, and finishing the reaction to obtain the thermally modified graphene;
s3: and (3) cooling the thermally modified graphene to 70-90 ℃, then adding the thermally modified graphene into the active modified liquid for ultrasonic dispersion treatment, and after the ultrasonic treatment, washing and drying to obtain the graphene interpenetrating material.
Preferably, the ultrasonic power of the ultrasonic dispersion treatment is 100-500W, and the ultrasonic time is 20-30 min.
Preferably, the preparation method of the excitation point solution is as follows: preparing rare earth lanthanum solution from rare earth lanthanum and hydrochloric acid according to the weight ratio of 1:5, then adopting proton irradiation treatment, wherein the proton irradiation power is 100-.
Preferably, the preparation method of the pretreated nanowire comprises the following steps:
a. dissolving 10-20 parts of potassium acetate, 15-25 parts of manganese sulfate and 1-5 parts of potassium chlorate in deionized water, adding 2-4 parts of acetic acid, raising the reaction temperature to 150-;
b. the nano wire is sent into zinc oxide nano colloidal solution according to the weight ratio of 1:5, stirred for 20-30min at the rotating speed of 100-500r/min, and after stirring, washed and dried, the pretreated nano wire is obtained; wherein the zinc oxide nano colloidal solution is prepared by adding zinc acetate and sodium hydroxide into ethanol of 1-2 times respectively according to the weight ratio of 2:1, and then obtaining a first proportioning material and a second proportioning material; the first proportioning material and the second proportioning material are mixed according to the weight ratio of 2:1, and react for 20-30min at the temperature of 50-60 ℃ at the reaction speed of 100-500r/min, and the reaction is finished to obtain the zinc oxide nano colloidal solution.
Preferably, the preparation method of the hybrid fiber is as follows: mixing glass fiber and quartz fiber according to the weight ratio of 3:1 to obtain a hybrid fiber material; feeding the hybrid fiber material into 2-3 times of ethanol solvent, and then adding lanthanum chloride solution with the total amount of 5-10% of the ethanol solvent, wherein the mass fraction of the lanthanum chloride solution is 10-20%; stirring at the temperature of 100-120 ℃ for 20-30min at the stirring speed of 100-500r/min, washing with water, and drying to obtain the modified hybrid fiber.
Preferably, the preparation method of the montmorillonite reinforcing agent comprises the following steps:
the montmorillonite is sent into a sintering furnace for sintering treatment, the sintering temperature is 300-350 ℃, and the sintering is carried out for 10-20 min; after sintering, cooling to 70-80 ℃ at 1-3 ℃, then sending into hydrochloric acid solution with the mass fraction of 1-4% for stirring treatment, wherein the stirring speed is 100-400r/min, the stirring time is 20-30min, and after stirring, washing and drying, obtaining the montmorillonite reinforcing agent.
The invention also provides a preparation method of the soil stabilizer, which comprises the following steps:
step one, sequentially stirring and mixing portland cement, ammonium dihydrogen phosphate, ethylenediamine, ultrafine zeolite powder and water raw materials to be full, then adding a graphene interpenetration material and a hybrid modified material, continuously stirring at the rotating speed of 100-300r/min for 20-30min, finally adding a montmorillonite reinforcing agent, and continuously stirring for 15-25min to obtain a mixture;
and step two, conveying the mixture into a curing box for curing treatment, and obtaining the soil curing agent of the invention after curing.
Preferably, the curing temperature in the curing box is 35-40 ℃, and the curing time is 1-2 h.
Compared with the prior art, the invention has the following beneficial effects:
1. the soil curing agent takes cement as a matrix, adopts raw materials such as graphene interpenetration materials, hybrid modified materials, ultrafine zeolite powder, montmorillonite reinforcing agent and the like to assist in compounding, and can obviously enhance the performance of the product through the matching use of the raw materials;
the graphene interlining material is prepared by thermally modifying graphene, preliminarily activating, activating and dispersing the graphene by an active modification liquid to obtain a graphene lamellar structure which has high activity and is distributed in a matrix as the lamellar structure, so that the overall strength performance of the matrix is improved;
the hybrid modified material adopts the hybrid modified coordination of potassium titanate whiskers, hybrid fibers and pretreated nanowires, the whisker-shaped structure of the potassium titanate whiskers, glass fibers and quartz fibers in the hybrid fibers are subjected to hybrid coordination, the nanowires are high in activity after treatment and are highly hybridized and coordinated to be interspersed with graphene sheets to form an interspersed and interconnected crossed structure, the stability of a system is obviously enhanced and improved, a montmorillonite reinforcing agent is added, the montmorillonite has high adsorbability, and after modification, the dispersity is improved, the montmorillonite is coordinated with ultrafine zeolite powder to form a point position structure and is distributed in the system, so that the filling and reinforcing effects are achieved, and the curing performance of the product is further improved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, 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 soil solidifying agent comprises the following raw materials in parts by weight:
45 parts of portland cement, 10 parts of graphene interpenetration materials, 5 parts of hybrid modified materials, 4 parts of ammonium dihydrogen phosphate, 1 part of ethylenediamine, 2 parts of superfine zeolite powder, 1 part of montmorillonite reinforcing agent and 90 parts of water;
the preparation method of the hybrid modified material comprises the following steps:
s1: compounding and mixing the potassium titanate whisker, the hybrid fiber and the pretreated nanowire according to the weight ratio of 5:3: 1;
s2: sending the mixture into a sodium dodecyl sulfate solution with the mass fraction of 1 percent, the total amount of the potassium titanate whiskers of which is 2 times of that of the potassium titanate whiskers, stirring and dispersing the mixture, and stirring the mixture fully;
s3: and then adding polyethylene glycol accounting for 10 percent of the total amount of the sodium dodecyl sulfate solution, stirring at the rotating speed of 500r/min for 30min, and obtaining the hybrid modified material after stirring.
The preparation method of the graphene interlining material of the embodiment comprises the following steps:
s1: preparing a chitosan solution with the mass fraction of 5% by mixing glacial acetic acid and chitosan, adding the chitosan solution into the excitation point solution according to the weight ratio of 1:3, and stirring the mixture fully to obtain an active modified solution;
s2: feeding graphene to react at 100 ℃ for 15min, then heating to 350 ℃ at the speed of 1 ℃/min, preserving heat for 15min, and obtaining thermally modified graphene after the reaction is finished;
s3: and (3) cooling the thermally modified graphene to 70 ℃, then adding the thermally modified graphene into the active modified liquid for ultrasonic dispersion treatment, and after the ultrasonic treatment, washing and drying to obtain the graphene interpenetrating material.
The ultrasonic power of the ultrasonic dispersion treatment of this example was 100W, and the ultrasonic time was 20 min.
The preparation method of the excitation point solution in this example is as follows: preparing rare earth lanthanum solution from rare earth lanthanum and hydrochloric acid according to the weight ratio of 1:5, then adopting proton irradiation treatment, wherein the proton irradiation power is 100W, the irradiation time is 20min, and obtaining the excitation point solution after the irradiation is finished.
The preparation method of the pretreated nanowire of the embodiment comprises the following steps:
a. dissolving 10 parts of potassium acetate, 15 parts of manganese sulfate and 1 part of potassium chlorate in deionized water, adding 2 parts of acetic acid, heating the reaction temperature to 150 ℃, reacting for 3 hours, washing with water and drying after the reaction is finished to obtain nanowires;
b. the nano wire is fed into a zinc oxide nano colloidal solution according to the weight ratio of 1:5, stirred for 20min at the rotating speed of 100r/min, and after stirring, washed and dried to obtain a pretreated nano wire; the zinc oxide nano colloidal solution is prepared by adding zinc acetate and sodium hydroxide into ethanol of which the weight ratio is 2:1 respectively, and then obtaining a first mixture material and a second mixture material; and mixing the first proportioning material and the second proportioning material according to the weight ratio of 2:1, reacting at 50 ℃ for 20min at the reaction speed of 100r/min, and obtaining the zinc oxide nano colloid solution after the reaction is finished.
The preparation method of the hybrid fiber of the present example was: mixing glass fiber and quartz fiber according to the weight ratio of 3:1 to obtain a hybrid fiber material; feeding the hybrid fiber material into an ethanol solvent of which the mass is 2-3 times that of the hybrid fiber material, and then adding a lanthanum chloride solution of which the total mass is 5% of that of the ethanol solvent, wherein the mass fraction of the lanthanum chloride solution is 10%; stirring at 100 ℃ for 20min at the stirring speed of 100r/min, washing with water, and drying to obtain the modified hybrid fiber.
The preparation method of the montmorillonite reinforcing agent comprises the following steps:
the montmorillonite is sent into a sintering furnace for sintering treatment, the sintering temperature is 300 ℃, and the sintering is carried out for 10 min; and after sintering, cooling to 70 ℃ at the temperature of 1 ℃, then sending into a hydrochloric acid solution with the mass fraction of 1% for stirring treatment, wherein the stirring speed is 100r/min, the stirring time is 20min, and after stirring, washing and drying, obtaining the montmorillonite reinforcing agent.
The preparation method of the soil stabilizer of the embodiment comprises the following steps:
step one, sequentially stirring and mixing portland cement, ammonium dihydrogen phosphate, ethylenediamine, ultrafine zeolite powder and water raw materials to be full, then adding a graphene interpenetration material and a hybrid modified material, continuously stirring at a rotating speed of 100r/min for 20min, finally adding a montmorillonite reinforcing agent, and continuously stirring for 15min to obtain a mixture;
and step two, conveying the mixture into a curing box for curing treatment, and obtaining the soil curing agent of the invention after curing.
The curing temperature in the curing box of this example was 35 ℃ and the curing time was 1 hour.
Example 2.
The soil solidifying agent comprises the following raw materials in parts by weight:
55 parts of portland cement, 20 parts of graphene interpenetration materials, 10 parts of hybrid modified materials, 8 parts of ammonium dihydrogen phosphate, 5 parts of ethylenediamine, 5 parts of superfine zeolite powder, 3 parts of montmorillonite reinforcing agent and 110 parts of water;
the preparation method of the hybrid modified material comprises the following steps:
s1: compounding and mixing the potassium titanate whisker, the hybrid fiber and the pretreated nanowire according to the weight ratio of 5:3: 1;
s2: sending the mixture into a sodium dodecyl sulfate solution with the mass fraction of 5 percent and the total amount of the potassium titanate whiskers of 3 times, stirring and dispersing the mixture, and stirring the mixture fully;
s3: and then adding polyethylene glycol accounting for 20 percent of the total amount of the sodium dodecyl sulfate solution, stirring at the rotating speed of 1000r/min for 40min, and obtaining the hybrid modified material after the stirring is finished.
The preparation method of the graphene interlining material of the embodiment comprises the following steps:
s1: preparing a chitosan solution with the mass fraction of 7% by mixing glacial acetic acid and chitosan, adding the chitosan solution into the excitation point solution according to the weight ratio of 1:3, and stirring the mixture fully to obtain an active modified solution;
s2: feeding graphene to 200 ℃ for reaction for 25min, then heating to 370 ℃ at the speed of 3 ℃/min, preserving heat for 25min, and finishing the reaction to obtain thermally modified graphene;
s3: and (3) cooling the thermally modified graphene to 90 ℃, then adding the thermally modified graphene into the active modified liquid for ultrasonic dispersion treatment, and after the ultrasonic treatment, washing and drying to obtain the graphene interpenetrating material.
The ultrasonic power of the ultrasonic dispersion treatment of this example was 500W, and the ultrasonic time was 30 min.
The preparation method of the excitation point solution in this example is as follows: preparing rare earth lanthanum solution from rare earth lanthanum and hydrochloric acid according to the weight ratio of 1:5, then adopting proton irradiation treatment, wherein the proton irradiation power is 500W, the irradiation time is 30min, and obtaining the excitation point solution after the irradiation is finished.
The preparation method of the pretreated nanowire of the embodiment comprises the following steps:
a. dissolving 20 parts of potassium acetate, 25 parts of manganese sulfate and 5 parts of potassium chlorate in deionized water, adding 4 parts of acetic acid, raising the reaction temperature to 170 ℃, reacting for 5 hours, and washing and drying after the reaction is finished to obtain nanowires;
b. the nano wire is fed into a zinc oxide nano colloidal solution according to the weight ratio of 1:5, stirred for 30min at the rotating speed of 500r/min, and after stirring, washed and dried to obtain a pretreated nano wire; the zinc oxide nano colloidal solution is prepared by adding zinc acetate and sodium hydroxide into 2 times of ethanol according to the weight ratio of 2:1 respectively to obtain a first mixture ratio material and a second mixture ratio material; and mixing the first proportioning material and the second proportioning material according to the weight ratio of 2:1, reacting at 60 ℃ for 30min at the reaction speed of 500r/min, and obtaining the zinc oxide nano colloidal solution after the reaction is finished.
The preparation method of the hybrid fiber of the present example was: mixing glass fiber and quartz fiber according to the weight ratio of 3:1 to obtain a hybrid fiber material; feeding the hybrid fiber material into 3 times of ethanol solvent, and then adding lanthanum chloride solution accounting for 10% of the total amount of the ethanol solvent, wherein the mass fraction of the lanthanum chloride solution is 20%; stirring for 30min at the temperature of 120 ℃, wherein the stirring speed is 500r/min, and after the stirring is finished, washing and drying to obtain the modified hybrid fiber.
The preparation method of the montmorillonite reinforcing agent comprises the following steps:
the montmorillonite is sent into a sintering furnace for sintering treatment, the sintering temperature is 350 ℃, and the montmorillonite is sintered for 20 min; and after sintering, cooling to 80 ℃ at 3 ℃, then sending into a hydrochloric acid solution with the mass fraction of 4% for stirring treatment, wherein the stirring speed is 400r/min, the stirring time is 30min, and after stirring, washing and drying, the montmorillonite reinforcing agent is obtained.
The preparation method of the soil stabilizer of the embodiment comprises the following steps:
step one, sequentially stirring and mixing portland cement, ammonium dihydrogen phosphate, ethylenediamine, superfine zeolite powder and water raw materials to be full, then adding a graphene interpenetration material and a hybrid modified material, continuously stirring at the rotating speed of 300r/min for 30min, finally adding a montmorillonite reinforcing agent, and continuously stirring for 25min to obtain a mixture;
and step two, conveying the mixture into a curing box for curing treatment, and obtaining the soil curing agent of the invention after curing.
The curing temperature in the curing box of this example was 40 ℃ and the curing time was 2 hours.
Example 3.
The soil solidifying agent comprises the following raw materials in parts by weight:
50 parts of portland cement, 15 parts of graphene interpenetration materials, 7.5 parts of hybrid modified materials, 6 parts of ammonium dihydrogen phosphate, 3 parts of ethylenediamine, 3.5 parts of superfine zeolite powder, 2 parts of montmorillonite reinforcing agent and 100 parts of water;
the preparation method of the hybrid modified material comprises the following steps:
s1: compounding and mixing the potassium titanate whisker, the hybrid fiber and the pretreated nanowire according to the weight ratio of 5:3: 1;
s2: sending the mixture into a sodium dodecyl sulfate solution with the mass fraction of 3 percent and the total amount of the potassium titanate whiskers of 2.5 times, stirring and dispersing the mixture, and stirring the mixture fully;
s3: and then adding polyethylene glycol accounting for 15 percent of the total amount of the sodium dodecyl sulfate solution, stirring at the rotating speed of 750r/min for 35min, and obtaining the hybrid modified material after the stirring is finished.
The preparation method of the graphene interlining material of the embodiment comprises the following steps:
s1: preparing a chitosan solution with the mass fraction of 6% by mixing glacial acetic acid and chitosan, adding the chitosan solution into the excitation point solution according to the weight ratio of 1:3, and stirring the mixture fully to obtain an active modified solution;
s2: feeding graphene to 150 ℃ for reaction for 20min, then heating to 360 ℃ at the speed of 2 ℃/min, preserving heat for 20min, and obtaining thermally modified graphene after the reaction is finished;
s3: and (3) cooling the thermally modified graphene to 80 ℃, then adding the thermally modified graphene into the active modified liquid to perform ultrasonic dispersion treatment, and after the ultrasonic treatment is finished, washing and drying to obtain the graphene interpenetration material.
The ultrasonic power of the ultrasonic dispersion treatment of this example was 300W, and the ultrasonic time was 25 min.
The preparation method of the excitation point solution in this example is as follows: preparing rare earth lanthanum solution from rare earth lanthanum and hydrochloric acid according to the weight ratio of 1:5, then adopting proton irradiation treatment, wherein the proton irradiation power is 300W, the irradiation time is 25min, and obtaining the excitation point solution after the irradiation is finished.
The preparation method of the pretreated nanowire of the embodiment comprises the following steps:
a. dissolving 15 parts of potassium acetate, 20 parts of manganese sulfate and 3 parts of potassium chlorate in deionized water, adding 3 parts of acetic acid, heating the reaction temperature to 160 ℃, reacting for 4 hours, and washing and drying after the reaction is finished to obtain nanowires;
b. the nano wire is fed into a zinc oxide nano colloidal solution according to the weight ratio of 1:5, stirred for 25min at the rotating speed of 300r/min, and after stirring, washed and dried to obtain a pretreated nano wire; the zinc oxide nano colloidal solution is prepared by respectively adding zinc acetate and sodium hydroxide into ethanol of which the weight ratio is 2:1 by 1 to obtain a first proportioning material and a second proportioning material, wherein the zinc acetate and the sodium hydroxide are respectively added into the ethanol of which the weight ratio is 1.5 times; and mixing the first proportioning material and the second proportioning material according to the weight ratio of 2:1, reacting at 55 ℃ for 25min at the reaction speed of 300r/min, and obtaining the zinc oxide nano colloidal solution after the reaction is finished.
The preparation method of the hybrid fiber of the present example was: mixing glass fiber and quartz fiber according to the weight ratio of 3:1 to obtain a hybrid fiber material; feeding the hybrid fiber material into an ethanol solvent of which the weight is 2-3 times that of the hybrid fiber material, and then adding a lanthanum chloride solution of which the total weight is 7.5% of the ethanol solvent, wherein the mass fraction of the lanthanum chloride solution is 15%; stirring at 110 ℃ for 25min at the stirring speed of 300r/min, washing with water, and drying to obtain the modified hybrid fiber.
The preparation method of the montmorillonite reinforcing agent comprises the following steps:
the montmorillonite is sent into a sintering furnace for sintering treatment, the sintering temperature is 320 ℃, and the sintering is carried out for 15 min; and after sintering, cooling to 75 ℃ at the temperature of 2 ℃, then sending into a hydrochloric acid solution with the mass fraction of 2.5%, stirring at the stirring speed of 250r/min for 25min, and after stirring, washing and drying to obtain the montmorillonite reinforcing agent.
The preparation method of the soil stabilizer of the embodiment comprises the following steps:
step one, sequentially stirring and mixing portland cement, ammonium dihydrogen phosphate, ethylenediamine, superfine zeolite powder and water raw materials to be full, then adding a graphene interpenetration material and a hybrid modified material, continuously stirring at a rotating speed of 200r/min for 25min, finally adding a montmorillonite reinforcing agent, and continuously stirring for 20min to obtain a mixture;
and step two, conveying the mixture into a curing box for curing treatment, and obtaining the soil curing agent of the invention after curing.
The curing temperature in the curing box of this example was 37.5 ℃ and the curing time was 1.5 hours.
Comparative example 1.
Unlike example 3, no graphene interpenetration material was added.
Comparative example 2.
Unlike example 3, no hybrid modifier was added.
Comparative example 3.
Unlike example 3, no montmorillonite reinforcing agent was added.
Comparative example 4.
Different from the embodiment 3, the graphene intercrossing material, the hybrid modified material and the montmorillonite reinforcing agent are not added.
The strength properties of the soil cured according to examples 1 to 4 and comparative examples 1 to 4 of the present invention were measured as follows
As can be seen from examples 1-4 and comparative examples 1-4, the product of example 3 of the invention has excellent 28d compressive strength, and the compressive strength of the product can be obviously enhanced through the matching of the graphene interlining material, the hybrid modified material and the montmorillonite reinforcing agent.
Examples 1-4 and comparative examples 1-4 were subjected to the anti-scour test:
as can be seen from examples 1-4 and comparative examples 1-4, the product of the invention, example 3, has a low mass loss rate and excellent stability.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The soil curing agent is characterized by comprising the following raw materials in parts by weight:
45-55 parts of portland cement, 10-20 parts of graphene interpenetration materials, 5-10 parts of hybrid modified materials, 4-8 parts of ammonium dihydrogen phosphate, 1-5 parts of ethylenediamine, 2-5 parts of superfine zeolite powder, 1-3 parts of montmorillonite reinforcing agent and 90-110 parts of water;
the preparation method of the hybrid modified material comprises the following steps:
s1: compounding and mixing the potassium titanate whiskers, the hybrid fibers and the pretreated nanowires according to a weight ratio of 5:3: 1;
s2: sending into dodecyl sodium sulfate solution with mass fraction of 1-5% and 2-3 times of the total amount of potassium titanate whisker, stirring and dispersing, and stirring to be full;
s3: then adding polyethylene glycol accounting for 10-20% of the total amount of the sodium dodecyl sulfate solution, stirring at the rotating speed of 500-;
the preparation method of the graphene interlining material comprises the following steps:
s1: preparing glacial acetic acid and chitosan into a chitosan solution with the mass fraction of 5-7%, adding the chitosan solution into the excitation point solution according to the weight ratio of 1:3, and stirring the solution fully to obtain an active modified solution;
s2: feeding the graphene into a reaction kettle at the temperature of 100-200 ℃ for reaction for 15-25min, then heating to the temperature of 350-370 ℃ at the speed of 1-3 ℃/min, preserving the heat for 15-25min, and finishing the reaction to obtain the thermally modified graphene;
s3: cooling the thermally modified graphene to 70-90 ℃, then adding the thermally modified graphene into the active modified liquid for ultrasonic dispersion treatment, and after the ultrasonic treatment, washing and drying to obtain a graphene interpenetration material;
the preparation method of the excitation point solution comprises the following steps: preparing rare earth lanthanum solution from rare earth lanthanum and hydrochloric acid according to the weight ratio of 1:5, then adopting proton irradiation treatment, wherein the proton irradiation power is 100-;
the preparation method of the pretreated nanowire comprises the following steps:
a. dissolving 10-20 parts of potassium acetate, 15-25 parts of manganese sulfate and 1-5 parts of potassium chlorate in deionized water, adding 2-4 parts of acetic acid, raising the reaction temperature to 150-;
b. the nano wire is sent into zinc oxide nano colloidal solution according to the weight ratio of 1:5, stirred for 20-30min at the rotating speed of 100-500r/min, and after stirring, washed and dried, the pretreated nano wire is obtained; wherein the zinc oxide nano colloidal solution is prepared by adding zinc acetate and sodium hydroxide into ethanol of 1-2 times respectively according to the weight ratio of 2:1, and then obtaining a first proportioning material and a second proportioning material; mixing the first proportioning material and the second proportioning material according to the weight ratio of 2:1, reacting for 20-30min at 50-60 ℃, wherein the reaction speed is 100-;
the preparation method of the hybrid fiber comprises the following steps: mixing glass fiber and quartz fiber according to the weight ratio of 3:1 to obtain a hybrid fiber material; feeding the hybrid fiber material into 2-3 times of ethanol solvent, and then adding lanthanum chloride solution with the total amount of 5-10% of the ethanol solvent, wherein the mass fraction of the lanthanum chloride solution is 10-20%; stirring at the temperature of 100-;
the preparation method of the montmorillonite reinforcing agent comprises the following steps: the montmorillonite is sent into a sintering furnace for sintering treatment, the sintering temperature is 300-350 ℃, and the sintering is carried out for 10-20 min; after sintering, cooling to 70-80 ℃ at 1-3 ℃, then sending into hydrochloric acid solution with the mass fraction of 1-4% for stirring treatment, wherein the stirring speed is 100-400r/min, the stirring time is 20-30min, and after stirring, washing and drying, obtaining the montmorillonite reinforcing agent.
2. The soil stabilizer according to claim 1, wherein the soil stabilizer comprises the following raw materials in parts by weight:
50 parts of Portland cement, 15 parts of graphene interpenetration materials, 7.5 parts of hybrid modified materials, 6 parts of ammonium dihydrogen phosphate, 3 parts of ethylenediamine, 3.5 parts of superfine zeolite powder, 2 parts of montmorillonite reinforcing agent and 100 parts of water.
3. The soil stabilizer according to claim 1, wherein the ultrasonic power of the ultrasonic dispersion treatment is 100-500W, and the ultrasonic time is 20-30 min.
4. A method for preparing the soil stabilizer as claimed in any one of claims 1 to 3, comprising the steps of:
step one, sequentially stirring and mixing portland cement, ammonium dihydrogen phosphate, ethylenediamine, ultrafine zeolite powder and water raw materials to be full, then adding a graphene interpenetration material and a hybridization modification material, continuously stirring at the rotating speed of 100 plus materials and 300r/min for 20-30min, finally adding a montmorillonite reinforcing agent, and continuously stirring for 15-25min to obtain a mixture;
and step two, conveying the mixture into a curing box for curing treatment, and obtaining the soil curing agent after curing.
5. The method for preparing a soil stabilizer according to claim 4, wherein the curing temperature in the curing box is 35-40 ℃ and the curing time is 1-2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210126070.6A CN114409340B (en) | 2022-02-10 | 2022-02-10 | Soil curing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210126070.6A CN114409340B (en) | 2022-02-10 | 2022-02-10 | Soil curing agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114409340A CN114409340A (en) | 2022-04-29 |
| CN114409340B true CN114409340B (en) | 2022-08-12 |
Family
ID=81279920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210126070.6A Active CN114409340B (en) | 2022-02-10 | 2022-02-10 | Soil curing agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114409340B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115477520B (en) * | 2022-10-14 | 2023-09-22 | 中国人民解放军63653部队 | Composite material for sand solidification and preparation method and application thereof |
| CN117568048B (en) * | 2024-01-17 | 2024-03-22 | 葫芦岛康达环保工贸有限公司 | Curing agent for soil heavy metal treatment and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7993451B2 (en) * | 2007-08-13 | 2011-08-09 | Texas Industries, Inc. | Cement stabilization of soils using a proportional cement slurry |
| CN112794591A (en) * | 2021-03-23 | 2021-05-14 | 深圳瑞新达新能源科技有限公司 | Composite sludge curing agent |
| CN113185246B (en) * | 2021-04-06 | 2022-07-26 | 浙江伊辰再生资源科技有限公司 | Preparation process of solid waste soil curing agent |
-
2022
- 2022-02-10 CN CN202210126070.6A patent/CN114409340B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114409340A (en) | 2022-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114409340B (en) | Soil curing agent and preparation method thereof | |
| CN111892341B (en) | Corrosion-resistant composite cement and preparation process thereof | |
| CN110143791A (en) | A kind of preparation process of high-strength concrete | |
| CN112573874A (en) | Preparation method of high-strength self-compacting concrete | |
| CN107141013A (en) | A kind of Modified Quartz Sand thermal insulation mortar and its production method | |
| CN109987872A (en) | A kind of concrete high efficiency water reducing agent and preparation method thereof | |
| CN114574787A (en) | Lightweight carbon fiber steel plate composite material for bridge frame | |
| CN112679129A (en) | High-strength corrosion-resistant carbon nanotube modified concrete and preparation method thereof | |
| CN114085059B (en) | Wood nanocellulose-nanometer cement modified grouting material for deep-ground engineering surrounding rock reinforcement and preparation method thereof | |
| CN108298916A (en) | A kind of toughening cracking resistance cement heat preserving mortar and preparation method thereof | |
| CN114606008A (en) | Soil modifier | |
| CN117209898B (en) | Calcium sulfate filled high-strength polypropylene material and preparation method thereof | |
| CN117534396B (en) | Double-component-based adhesive for pasting large-size ceramic tiles and preparation method thereof | |
| CN117603558A (en) | Polyurethane resin composition for display screen packaging and preparation method thereof | |
| CN115070939B (en) | Preparation method of dry-mixed mortar | |
| CN107200511A (en) | Nano material modified rubber asphalt and preparation method thereof | |
| CN114573290B (en) | Single-component active synchronous grouting liquid capable of being quickly coagulated and preparation method thereof | |
| CN113979770B (en) | Preparation method of enhanced yttrium-stabilized nano composite zirconia ceramic powder | |
| CN114804704B (en) | Environment-friendly chlorine-free cement grinding aid and production method thereof | |
| CN108358502A (en) | A kind of high-performance composite thermal insulation mortar and preparation method thereof | |
| CN113307534A (en) | Concrete accelerator | |
| CN114890709B (en) | Environment-friendly non-toxic alkali-free liquid concrete accelerator and preparation method thereof | |
| CN115466067B (en) | Composite xerogel slow-release chloride ion curing agent and preparation and application thereof | |
| CN115215580B (en) | Modified nanofiber stable high-early-strength alkali-free accelerator and preparation method thereof | |
| KR102212788B1 (en) | Alginate latex precast concrete composition using fly ash |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 0803, block B, building 5, Huaqiang Creative Park, Biyan community, Guangming Street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Ruixinda Ecological Technology Co.,Ltd. Address before: 518000 0803, block B, building 5, Huaqiang Creative Park, Biyan community, Guangming Street, Guangming District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN RUIXINDA NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A soil stabilizer and its preparation method Granted publication date: 20220812 Pledgee: Bank of Communications Limited Shenzhen Branch Pledgor: Shenzhen Ruixinda Ecological Technology Co.,Ltd. Registration number: Y2024980013385 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |