CN115180906A - Special back water pressure repairing coating with double waterproof effects for basement - Google Patents

Special back water pressure repairing coating with double waterproof effects for basement Download PDF

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Publication number
CN115180906A
CN115180906A CN202210824086.4A CN202210824086A CN115180906A CN 115180906 A CN115180906 A CN 115180906A CN 202210824086 A CN202210824086 A CN 202210824086A CN 115180906 A CN115180906 A CN 115180906A
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Prior art keywords
parts
coating
cellulose
basement
double waterproof
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Pending
Application number
CN202210824086.4A
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Chinese (zh)
Inventor
邓亚平
雷鲜果
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Jiangxi Chunmu Construction Waterproof Engineering Co ltd
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Jiangxi Chunmu Construction Waterproof Engineering Co ltd
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Priority to CN202210824086.4A priority Critical patent/CN115180906A/en
Publication of CN115180906A publication Critical patent/CN115180906A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/06Aluminous cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00293Materials impermeable to liquids
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials
    • C04B2111/00508Cement paints
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials
    • C04B2111/00543Coating or impregnation materials for wet surfaces
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, i.e. waterproof or water-repellent materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/05Materials having an early high strength, e.g. allowing fast demoulding or formless casting
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/10Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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

Abstract

The invention discloses a special back water pressure repairing coating with a double waterproof effect for a basement, which aims to solve the technical problems that the double waterproof effect is not achieved in the prior art, the reverse water permeation effect is small in a state that open water exists on a base surface and high pressure and slow permeation are achieved, the hardness of the coating is poor, the corrosion resistance is poor, and the service life is short. The coating comprises the following components in parts by weight: 30-50 parts of sulphoaluminate cement, 10-20 parts of ordinary silicic acid cement, 40-80 parts of quartz sand aggregate, 5-10 parts of silica fume, 2-5 parts of butyl rubber powder, 1-3 parts of organic silicon hydrophobic powder and 2-5 parts of zeolite powder. The coating is quick in drying time, water is used as a carrier, the coating has a self-leveling characteristic, the coating can reversely penetrate into concrete capillary holes of a structural layer, the coating has high hardness, the butyl rubber powder has a waterproof effect, the butyl rubber powder is more environment-friendly, and the permeability resistance and the erosion resistance of the coating are further improved by matching with mineral powder, so that the double waterproof effect is achieved, and the effects of low-temperature early strength and later-period high strength are achieved.

Description

Special back water pressure repairing coating with double waterproof effects for basement
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a special back water pressure repairing coating with double waterproof effects for a basement.
Background
Because the main body of the basement of the building is mostly of a concrete structure, capillary holes and shrinkage-compensating cracks are easy to appear in the concrete in the solidification process, and leakage generally appears, a plugging mode of a water-back surface is generally adopted, and the existing market is used for basement base surface water seepage dietary modification materials and mainly comprises organic grouting foaming and inorganic permeable crystallization.
At present, an invention patent with a patent number of CN201810589064.8 discloses a back water pressure waterproof coating for leakage stoppage and leakage resistance of a back water surface, which comprises the following substances in parts by weight: 400-500 parts of Portland cement; 350-480 parts of sand filler; 20-50 parts of latex powder; 5-10 parts of a waterproof agent; 10-50 parts of a coagulant; 20-50 parts of active master batch; 2-10 parts of a thixotropic agent; 2-5 parts of fibers; 0-2 parts of cellulose ether; 1-3 parts of a defoaming agent; 1-10 parts of pigment. The coating can penetrate into capillary holes and micro cracks of a building through a carrier, and is dried, expanded and crystallized to block the capillary holes and the micro cracks to form a tough anti-seepage leakage blocking layer, but the coating does not have a double waterproof effect, has small reverse water seepage action in a state that open water exists on a base surface and the reverse water seepage is slow under high pressure, and has poor hardness, poor corrosion resistance and short service life.
Therefore, in order to solve the problem of poor waterproof effect, it is necessary to improve the use scenario of the back hydraulic repair coating.
Disclosure of Invention
(1) Technical problem to be solved
Aiming at the defects of the prior art, the invention aims to provide a special back water pressure repairing coating with double waterproof effect for a basement, which aims to solve the technical problems that the prior art does not have double waterproof effect, the reverse water permeation effect is small in the state that open water exists on a base surface and high pressure and slow permeation exists, the hardness of the coating is poor, the corrosion resistance is poor, and the service life is short.
(2) Technical scheme
In order to solve the technical problems, the invention provides a special back water pressure repairing coating with double waterproof effects for a basement, which comprises the following components in parts by weight: 30-50 parts of sulphoaluminate cement, 10-20 parts of ordinary silicate cement, 40-80 parts of quartz sand aggregate, 5-10 parts of silica fume, 2-5 parts of butyl rubber powder, 1-3 parts of organosilicon hydrophobic powder and 2-5 parts of zeolite powder.
Preferably, the composition further comprises the following components in parts by weight: 0.5-1 part of early strength agent, 5-10 parts of mineral powder, 1-3 parts of underwater undispersed concrete, 0.5-1 part of cellulose ether, 0.5-1 part of defoaming agent and 0.5-1 part of water reducing agent.
Preferably, the sulphoaluminate cement is any one of quick-hardening sulphoaluminate cement, low-alkalinity sulphoaluminate cement and self-stress sulphoaluminate cement.
Preferably, the particle size of the quartz sand aggregate is in the range of 0.16-5mm.
Preferably, the early strength agent is any one of nitrite, complex acid salt, triethanolamine, calcium formate and urea.
Preferably, the cellulose ether is any one or more of methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxymethyl hydroxyethyl cellulose and phenyl cellulose.
Preferably, the water reducing agent is any one of lignosulfonate, naphthalene sulfonate, sulfonated melamine formaldehyde resin, aromatic sulfamate polymer, aliphatic hydroxysulfonate polymer, carbonyl Jiao Quan and casein.
The invention also provides a special back water pressure repairing coating with double waterproof effects for the basement, which comprises the following preparation steps:
the method comprises the following steps: putting sulphoaluminate cement, ordinary silicic acid cement, quartz sand aggregate, silica fume, butyl rubber powder, organic silicon hydrophobic powder, zeolite powder, an early strength agent, mineral powder, underwater undispersed concrete, cellulose ether, a defoaming agent and a water reducing agent into a proportioning bin;
step two: conveying the materials in the proportioning bins to a mixer, and then fully and uniformly stirring;
step three: packaging the mixed materials according to specifications;
step four: and conveying the packaged finished product into a finished product warehouse.
(3) Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the coating disclosed by the invention is quick in drying time, takes water as a carrier, has a self-leveling characteristic, can reversely penetrate into capillary holes of structural layer concrete to form hydration reaction crystallization water stop, has a large reverse water permeation effect in a state that a base surface has clear water and is slowly permeated under high pressure, has high hardness, has a waterproof effect, is more environment-friendly, is matched with mineral powder to further improve the impermeability and erosion resistance of the coating and achieve a double waterproof effect, has good insulating property and arc resistance on a construction base surface by adding silica fume, reduces the linear expansion coefficient and shrinkage rate of the construction base surface, eliminates the internal stress of the construction base surface and prevents cracking, has strong corrosion resistance, improves the early front end of the coating by utilizing an early strength agent, does not influence the strength of the later stage, and has high early strength and continuously increased later strength, so that the effects of early strength at low temperature and high strength of the later stage are achieved.
Detailed Description
The specific embodiment is a special back water pressure repairing coating with double waterproof effects for basements, which comprises the following components in parts by weight: 30-50 parts of sulphoaluminate cement, 10-20 parts of ordinary silicate cement, 40-80 parts of quartz sand aggregate, 5-10 parts of silica fume, 2-5 parts of butyl rubber powder, 1-3 parts of organosilicon hydrophobic powder and 2-5 parts of zeolite powder.
Preferably, the composition further comprises the following components in parts by weight: 0.5-1 part of early strength agent, 5-10 parts of mineral powder, 1-3 parts of underwater undispersed concrete, 0.5-1 part of cellulose ether, 0.5-1 part of defoaming agent and 0.5-1 part of water reducing agent.
Preferably, the sulphoaluminate cement is any one of quick-hardening sulphoaluminate cement, low-alkalinity sulphoaluminate cement and self-stress sulphoaluminate cement.
Preferably, the particle size of the quartz sand aggregate is in the range of 0.16-5mm.
Preferably, the early strength agent is any one of nitrite, complex acid salt, triethanolamine, calcium formate and urea.
Preferably, the cellulose ether is any one or more of methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxymethyl hydroxyethyl cellulose and phenyl cellulose.
Preferably, the water reducing agent is any one of lignosulfonate, naphthalene sulfonate, sulfonated melamine formaldehyde resin, aromatic sulfamate polymer, aliphatic hydroxysulfonate polymer, carbonyl Jiao Quan and casein.
Example 1
The invention also provides a special back water pressure repairing coating with double waterproof effects for the basement, which comprises the following preparation steps:
the method comprises the following steps: 30 parts of sulphoaluminate cement, 10 parts of ordinary silicate cement, 40 parts of quartz sand aggregate, 5 parts of silica fume, 2 parts of butyl rubber powder, 1 part of organic silicon hydrophobic powder, 2 parts of zeolite powder, 0.5 part of early strength agent, 5 parts of mineral powder, 1 part of underwater undispersed concrete, 0.5 part of cellulose ether, 0.5 part of defoaming agent and 0.5 part of water reducing agent are put into a proportioning bin;
step two: conveying the materials in the proportioning bins to a mixer, and then fully and uniformly stirring;
step three: packaging the mixed materials according to specifications;
step four: and sending the packaged finished product into a finished product warehouse.
Example 2
The invention also provides a special back water pressure repairing coating with double waterproof effects for the basement, which comprises the following preparation steps:
the method comprises the following steps: putting 40 parts of sulphoaluminate cement, 15 parts of ordinary silicate cement, 60 parts of quartz sand aggregate, 7.5 parts of silica fume, 3.5 parts of butyl rubber powder, 2 parts of organic silicon hydrophobic powder, 3.5 parts of zeolite powder, 0.75 part of early strength agent, 7.5 parts of mineral powder, 2 parts of underwater undispersed concrete, 0.75 part of cellulose ether, 0.75 part of defoaming agent and 0.75 part of water reducing agent into a proportioning bin;
step two: conveying the materials in the proportioning bins to a mixer, and then fully and uniformly stirring;
step three: packaging the mixed materials according to specifications;
step four: and sending the packaged finished product into a finished product warehouse.
Example 3
The invention also provides a special back water pressure repairing coating with double waterproof effects for the basement, which comprises the following preparation steps:
the method comprises the following steps: putting 50 parts of sulphoaluminate cement, 20 parts of ordinary silicate cement, 80 parts of quartz sand aggregate, 10 parts of silica fume, 5 parts of butyl rubber powder, 3 parts of organic silicon hydrophobic powder, 5 parts of zeolite powder, 1 part of early strength agent, 10 parts of mineral powder, 3 parts of underwater undispersed concrete, 0.5 part of cellulose ether, 1 part of defoaming agent and 1 part of water reducing agent into a proportioning bin;
step two: conveying the materials in the proportioning bins to a mixer, and then fully and uniformly stirring;
step three: packaging the mixed materials according to specifications;
step four: and sending the packaged finished product into a finished product warehouse.
Table 1 shows tables for inspecting physical properties of the coating materials of examples 1, 2 and 3 of the present invention.
Figure BDA0003745662190000051
Figure BDA0003745662190000061
Table 1.

Claims (8)

1. A special back water pressure repairing coating with double waterproof effects for a basement comprises the following components in parts by weight: 30-50 parts of sulphoaluminate cement, 10-20 parts of ordinary silicate cement, 40-80 parts of quartz sand aggregate, 5-10 parts of silica fume, 2-5 parts of butyl rubber powder, 1-3 parts of organosilicon hydrophobic powder and 2-5 parts of zeolite powder.
2. The special back water pressure repairing coating with the double waterproof effect for the basement as claimed in claim 1, which is characterized by further comprising the following components in parts by weight: 0.5-1 part of early strength agent, 5-10 parts of mineral powder, 1-3 parts of underwater undispersed concrete, 0.5-1 part of cellulose ether, 0.5-1 part of defoaming agent and 0.5-1 part of water reducing agent.
3. The special back water pressure repairing coating with the double waterproof effect for the basement as claimed in claim 1, wherein the sulphoaluminate cement is any one of fast hardening sulphoaluminate cement, low alkalinity sulphoaluminate cement and self-stress sulphoaluminate cement.
4. The special back hydraulic repair coating for basements with double waterproof effect of claim 1, wherein the particle size of the quartz sand aggregate is in the range of 0.16-5mm.
5. The special back water pressure renovation coating with double waterproof effect for the basement as claimed in claim 2, wherein the early strength agent is any one of nitrite, complex acid salt, triethanolamine, calcium formate and urea.
6. The special back water pressure repairing coating with double waterproof effect for the basement as claimed in claim 2, wherein the cellulose ether is any one or more of methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxymethyl hydroxyethyl cellulose and phenyl cellulose.
7. The special back water pressure repairing coating with the double waterproof effect for the basement as claimed in claim 2, wherein the water reducing agent is any one of lignosulfonate, naphthalene sulfonate, sulfonated melamine formaldehyde resin, aromatic sulfamate polymer, aliphatic hydroxyl sulfonate polymer, carbonyl Jiao Quan and casein.
8. The special back water pressure repairing coating with double waterproof effects for the basement according to the claims 1-7, which is prepared by the following steps:
the method comprises the following steps: putting sulphoaluminate cement, ordinary silicic acid cement, quartz sand aggregate, silica fume, butyl rubber powder, organic silicon hydrophobic powder, zeolite powder, an early strength agent, mineral powder, underwater undispersed concrete, cellulose ether, a defoaming agent and a water reducing agent into a proportioning bin;
step two: conveying the materials in the proportioning bins to a mixer, and then fully and uniformly stirring;
step three: packaging the mixed materials according to specifications;
step four: and sending the packaged finished product into a finished product warehouse.
CN202210824086.4A 2022-07-14 2022-07-14 Special back water pressure repairing coating with double waterproof effects for basement Pending CN115180906A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111825411A (en) * 2020-06-24 2020-10-27 佳固士(浙江)新材料有限公司 Back water surface waterproof material capable of stopping open water and self-healing and preparation method and application thereof
US20200361821A1 (en) * 2019-05-17 2020-11-19 Kristian LOEVLIE Fire retardant cementitious composition

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200361821A1 (en) * 2019-05-17 2020-11-19 Kristian LOEVLIE Fire retardant cementitious composition
CN111825411A (en) * 2020-06-24 2020-10-27 佳固士(浙江)新材料有限公司 Back water surface waterproof material capable of stopping open water and self-healing and preparation method and application thereof

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Application publication date: 20221014