CN117534359A - Geogrid composite material and preparation method thereof - Google Patents

Geogrid composite material and preparation method thereof Download PDF

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Publication number
CN117534359A
CN117534359A CN202311486406.0A CN202311486406A CN117534359A CN 117534359 A CN117534359 A CN 117534359A CN 202311486406 A CN202311486406 A CN 202311486406A CN 117534359 A CN117534359 A CN 117534359A
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CN
China
Prior art keywords
alkali
resistant
resistant coating
coating
glass fiber
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.)
Pending
Application number
CN202311486406.0A
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Chinese (zh)
Inventor
吴业明
王黎明
张亮
王清标
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Shandong Dageng Project Material Co ltd
Original Assignee
Shandong Dageng Project Material Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Dageng Project Material Co ltd filed Critical Shandong Dageng Project Material Co ltd
Priority to CN202311486406.0A priority Critical patent/CN117534359A/en
Publication of CN117534359A publication Critical patent/CN117534359A/en
Pending legal-status Critical Current

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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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • C04B20/1066—Oxides, Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/001—Alkali-resistant fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C03C25/36—Epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/465—Coatings containing composite 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C04B14/42—Glass
    • C04B14/44—Treatment for enhancing alkali resistance
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C04B14/46—Rock wool ; Ceramic or silicate fibres
    • C04B14/4643—Silicates other than zircon
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1018—Coating or impregnating with organic materials
    • C04B20/1029—Macromolecular compounds
    • C04B20/1037—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/20—Securing of slopes or inclines
    • E02D17/202—Securing of slopes or inclines with flexible securing means
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
    • D10B2101/06—Glass

Abstract

The invention relates to a geogrid composite material and a preparation method thereof, the composite material comprises mixed fiber filaments and alkali-resistant coating layers, the mixed fiber filaments are formed by mixing basalt fiber filaments with glass fiber filaments in a certain proportion, the alkali-resistant coating layers comprise first alkali-resistant coating layers and second alkali-resistant coating layers, the first alkali-resistant coating layers are coated on the outer surfaces of the glass fiber filaments, the second alkali-resistant coating layers are coated on the outer surfaces of the mixed fiber filaments, and inorganic compound alkali-resistant particles are contained in the first alkali-resistant coating layers and the second alkali-resistant coating layers. According to the invention, the glass fiber is dip-coated with the alkali-resistant coating layer firstly, and then the mixed fiber is dip-coated with the alkali-resistant coating layer integrally, so that the early corrosion tendency of geotechnical products caused by the alkali resistance difference between basalt fiber and glass fiber is reduced, and the high-quality and low-cost geogrid composite material is obtained by reasonably controlling the glass fiber dosage and optimizing the concentration of acting particles (zirconia) in the immersion liquid.

Description

Geogrid composite material and preparation method thereof
Technical Field
The invention relates to the technical field of preparation of geogrid composite materials, in particular to a geogrid composite material and a preparation method thereof.
Background
In the manufacture of the geogrid, basalt fibers have better corrosion resistance than glass fibers, physical properties are better than those of the glass fibers, and the production scale of the basalt fibers is also in an ascending trend, so that the basalt fibers are increasingly used for replacing the glass fibers to manufacture the geogrid, the glass fibers have certain advantages in price due to mature market products, and the basalt fibers are doped with a certain proportion of glass fibers, which is the measure adopted in the current production.
For the use condition with high alkali resistance requirement, the basalt fiber geogrid raw material needs to be dip-coated with an alkali-resistant coating layer, but the geogrid manufactured by using basalt fiber doped with glass fiber as the raw material has the service life lower than that of the geogrid manufactured by using all basalt fiber as the raw material, because the chemical corrosion speed of the doped glass fiber with a certain proportion is higher than that of the basalt fiber in use, so that the whole product shows the condition of advanced corrosion.
Disclosure of Invention
In order to solve the problems, the invention provides a geogrid composite material and a preparation method thereof, wherein in basalt fiber doped with glass fiber, the glass fiber is dip-coated with an alkali-resistant coating layer at first, and then the mixed fiber is dip-coated with the alkali-resistant coating layer integrally, so that the advanced corrosion caused by the alkali resistance difference between the basalt fiber and the glass fiber is reduced.
The aim of the invention is achieved by the following technical scheme.
The utility model provides a geogrid combined material, includes mixed fiber silk and alkali-resistant coating, mixed fiber silk is mixed the weaving of glass fiber silk that adds certain proportion in basalt fiber silk and forms, alkali-resistant coating includes first alkali-resistant coating and second alkali-resistant coating, first alkali-resistant coating coats glass fiber silk surface, the second alkali-resistant coating coats mixed fiber silk surface, all contain inorganic compound alkali-resistant particle in first alkali-resistant coating and the second alkali-resistant coating.
Preferably, in the geogrid composite material, the inorganic compound alkali-resistant particles are zirconium oxide.
Preferably, in the geogrid composite material, the weight of the glass fiber filaments is not greater than the weight of the basalt fiber filaments.
Preferably, in the geogrid composite material, the glass fiber yarn accounts for 18-45%, preferably 30-40% of the total weight of the glass fiber yarn and the basalt fiber yarn.
Preferably, in the geogrid composite material, the concentration of inorganic alkali-resistant particles in the first alkali-resistant coating layer is higher than the concentration of inorganic alkali-resistant particles in the second alkali-resistant coating layer.
The invention also provides a preparation method of the geogrid composite material, which comprises the following steps:
s1, preparing an alkali-resistant coating layer of glass fiber yarn
Selecting a glass fiber raw material, dip-coating an alkali-resistant impregnant on the glass fiber raw material and curing to obtain glass fiber with a first alkali-resistant coating layer coated on the surface;
s2, fiber mixed knitting
Mixing basalt fiber yarns and glass fiber yarns with the surfaces coated with the first alkali-resistant coating layers obtained in the step S1 to obtain mixed fiber yarns;
s3, preparing alkali-resistant coating of mixed fiber yarn
And (3) dip-coating the alkali-resistant impregnant on the mixed fiber yarn obtained in the step (S2) and curing the alkali-resistant impregnant to obtain the mixed fiber yarn with the surface coated with the second alkali-resistant coating layer.
Preferably, in the preparation method, the alkali-resistant impregnant in the step S1 and the step S3 is an epoxy resin impregnant containing zirconia.
Optionally, in the preparation method, in the alkali-resistant impregnant of the step S1 and the step S3, the adding amount of the zirconia emulsion is 6-11% by mass percent.
Optionally, in the preparation method, the adding amount of the zirconia emulsion in the alkali-resistant impregnant in the step S1 is 13-22% by mass percent, and further, the adding amount of the zirconia emulsion in the alkali-resistant impregnant in the step S3 is 6-11% by mass percent.
The invention has the beneficial effects that:
according to the geogrid composite material and the preparation method thereof, in basalt fiber doped with glass fiber, the glass fiber is dip-coated with the alkali-resistant coating layer at first, and then the mixed fiber is dip-coated with the alkali-resistant coating layer integrally, so that the early corrosion tendency of geotechnical products caused by the alkali resistance difference between the basalt fiber and the glass fiber is reduced, and the use amount of the glass fiber is reasonably controlled, and ZrO (high-speed) of primary immersion liquid and secondary immersion liquid is optimized 2 Particle concentration, and obtaining the geogrid composite material with high quality and low cost.
Drawings
Figure 1 is a geogrid composite construction in the schematic form of the present invention.
FIG. 2 shows a preparation process flow of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below.
Example 1
With reference to fig. 1, fig. 1 is a schematic representation provided for the visual presentation of the product of the invention, and some schematic features are not to be construed as limiting the invention except to the extent that the structure presented below and thus can be determined directly unambiguously, for example, the filaments of the invention may each represent a strand or the like.
The geogrid composite material comprises mixed fiber filaments and alkali-resistant coating layers, wherein the mixed fiber filaments are formed by mixing basalt fiber filaments 2 with glass fiber filaments 1 in a certain proportion, the alkali-resistant coating layers comprise first alkali-resistant coating layers 3 and second alkali-resistant coating layers 4, the first alkali-resistant coating layers 3 are coated on the outer surfaces of the glass fiber filaments 1, the second alkali-resistant coating layers 4 are coated on the outer surfaces of the mixed fiber filaments, and zirconium oxide particles serving as inorganic compound alkali-resistant particles are contained in the first alkali-resistant coating layers 3 and the second alkali-resistant coating layers 4.
In general, in the above geogrid composite, the weight of the glass fiber yarn 1 is not greater than the weight of the basalt fiber yarn 2, preferably, in the above geogrid composite, the glass fiber yarn 1 accounts for 18-45%, preferably 30-40% of the total weight of the glass fiber yarn 1 and the basalt fiber yarn 2, and the material ratio in production is determined before dip coating the first alkali-resistant coating layer 3.
The process of obtaining the geogrid composite in example 1 will be described below in connection with more specific examples.
Example 2
The method for preparing the geogrid composite in embodiment 1 comprises the steps of:
s1, preparing an alkali-resistant coating layer of glass fiber yarn
And selecting a raw material of the glass fiber yarn 1, dip-coating an alkali-resistant impregnant on the raw material of the glass fiber yarn 1, and curing to obtain the glass fiber yarn 1 with the surface coated with the first alkali-resistant coating layer 3.
S2, fiber mixed knitting
The basalt fiber yarn 2 without any coating treatment and the glass fiber yarn 1 with the surface coated with the first alkali-resistant coating layer 3 obtained in step S1 are mixed-woven into a mixed fiber yarn.
S3, preparing alkali-resistant coating of mixed fiber yarn
And (3) dip-coating the alkali-resistant impregnant on the mixed fiber yarn obtained in the step (S2) and curing the alkali-resistant impregnant to obtain the mixed fiber yarn with the surface coated with the second alkali-resistant coating layer (4).
In the embodiment, the alkali-resistant impregnant in the steps S1 and S3 is an epoxy resin impregnant containing zirconia, the adding amount of the zirconia emulsion is 6-11% by mass percent, the adding amount of the epoxy resin binder emulsion is 24-45%, and other needed coupling agents, auxiliary agents and solvents are added according to the existing guiding proportion.
The following table shows the tensile strength decay (average) results obtained after 24h sodium hydroxide corrosion test of the composite sample obtained according to the process of example 2 and the composite sample obtained without primary dip coating of step S1 (control a) simultaneously.
The "glass fiber yarn ratio" in the above table refers to the ratio of glass fiber yarn to the total weight of glass fiber yarn and basalt fiber yarn.
Example 3
A geogrid composite material according to embodiment 1 is different in that, in the geogrid composite material described above, the concentration of inorganic alkali-resistant particles in the first alkali-resistant coating layer 3 is higher than the concentration of inorganic alkali-resistant particles in the second alkali-resistant coating layer 4.
Example 4
A method of making the geogrid composite of embodiment 3, comprising the steps of:
s1, preparing an alkali-resistant coating layer of glass fiber yarn
And selecting a raw material of the glass fiber yarn 1, dip-coating an alkali-resistant impregnant on the raw material of the glass fiber yarn 1, and curing to obtain the glass fiber yarn 1 with the surface coated with the first alkali-resistant coating layer 3.
The alkali-resistant impregnant is an epoxy resin impregnant containing zirconium oxide, the adding amount of the zirconium oxide emulsion is 13-22% by mass percent, the adding amount of the binder emulsion is 16-30%, and other needed coupling agents, auxiliary agents and solvents are added according to the existing guiding proportion.
S2, fiber mixed knitting
The basalt fiber yarn 2 without any coating treatment and the glass fiber yarn 1 with the surface coated with the first alkali-resistant coating layer 3 obtained in step S1 are mixed-woven into a mixed fiber yarn.
S3, preparing alkali-resistant coating of mixed fiber yarn
And (3) dip-coating the alkali-resistant impregnant on the mixed fiber yarn obtained in the step (S2) and curing the alkali-resistant impregnant to obtain the mixed fiber yarn with the surface coated with the second alkali-resistant coating layer (4).
The alkali-resistant impregnant is an epoxy resin impregnant containing zirconia, the adding amount of zirconia emulsion is 6-11% by mass percent, the adding amount of binder emulsion is 24-45%, and other needed coupling agents, auxiliary agents and solvents are added according to the existing guiding proportion.
Generally, the increase of the amount of inorganic particles affects the aggregation of fiber tows and the adhesive capability of the coating to a certain extent, and the method of the invention can greatly increase ZrO by primary dip coating because the overall dip coating of the mixed fiber yarn is also carried out after the primary dip coating of the glass fiber in the step S1, and the problems generated during the primary dip coating process or after the primary dip coating process (such as the wire mixing process) are repaired in the secondary dip coating 2 And the tensile strength attenuation value can be further reduced to below 13.5% compared with example 2, which also provides a concept for breaking through the limitation of the overall solid content of inorganic particles in the conventional dip-coating emulsion.
In addition, according to the preparation method and the production requirement of the subsequent geotechnical product provided in the above embodiment, after step S3, a step of dip-coating the outer protective layer is further included for manufacturing the geotechnical product.
The above examples are only preferred embodiments of the present invention and it should be understood by those skilled in the art that modifications and improvements can be made without departing from the spirit of the present invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. The utility model provides a geogrid combined material, includes mixed fiber silk and alkali-resisting coating, its characterized in that, mixed fiber silk is mixed and woven in basalt fiber silk (2) with glass fiber silk (1) of a certain proportion, alkali-resisting coating includes first alkali-resisting coating (3) and second alkali-resisting coating (4), first alkali-resisting coating (3) coating is in glass fiber silk (1) surface, second alkali-resisting coating (4) coating is in mixed fiber silk surface, all contain inorganic compound alkali-resisting particle in first alkali-resisting coating (3) and the alkali-resisting coating of second (4).
2. The geogrid composite according to claim 1, wherein the inorganic compound alkali resistant particles are zirconia.
3. A geogrid composite according to claim 1, characterized in that the weight of the glass filaments (1) is not greater than the weight of the basalt filaments (2).
4. A geogrid composite according to claim 3, characterized in that the glass filaments (1) account for 18-45%, preferably 30-40% of the total weight of glass filaments (1) and basalt filaments (2).
5. A geogrid composite according to any of claims 1-4, characterized in that the concentration of inorganic alkali-resistant particles in the first alkali-resistant coating layer (3) is higher than the concentration of inorganic alkali-resistant particles in the second alkali-resistant coating layer (4).
6. A method of making a geogrid composite according to any of claims 1-5, comprising the steps of:
s1, preparing an alkali-resistant coating layer of glass fiber yarn
Selecting a raw material of glass fiber yarns (1), dip-coating an alkali-resistant impregnant on the raw material of the glass fiber yarns (1) and curing to obtain the glass fiber yarns (1) with the surfaces coated with the first alkali-resistant coating layers (3);
s2, fiber mixed knitting
Mixing basalt fiber filaments (2) and glass fiber filaments (1) with surfaces coated with a first alkali-resistant coating layer (3) obtained in the step S1 to obtain mixed fiber filaments;
s3, preparing alkali-resistant coating of mixed fiber yarn
And (3) dip-coating the alkali-resistant impregnant on the mixed fiber yarn obtained in the step (S2) and curing the alkali-resistant impregnant to obtain the mixed fiber yarn with the surface coated with the second alkali-resistant coating layer (4).
7. The method according to claim 6, wherein the alkali-resistant impregnating agent in step S1 and step S3 is an epoxy resin impregnating agent containing zirconia.
8. The preparation method according to claim 7, wherein the zirconia emulsion is added in an amount of 6 to 11% by mass in the alkali-resistant impregnating agent of step S1 and step S3.
9. The preparation method according to claim 7, wherein the zirconia emulsion is added in an amount of 13-22% by mass in the alkali-resistant impregnating agent of step S1.
10. The preparation method according to claim 9, wherein the zirconia emulsion is added in an amount of 6 to 11% by mass in the alkali-resistant impregnating agent of step S3.
CN202311486406.0A 2023-11-09 2023-11-09 Geogrid composite material and preparation method thereof Pending CN117534359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311486406.0A CN117534359A (en) 2023-11-09 2023-11-09 Geogrid composite material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311486406.0A CN117534359A (en) 2023-11-09 2023-11-09 Geogrid composite material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN117534359A true CN117534359A (en) 2024-02-09

Family

ID=89783415

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311486406.0A Pending CN117534359A (en) 2023-11-09 2023-11-09 Geogrid composite material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN117534359A (en)

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