CN114988807A - Fiber cement and preparation method and application thereof - Google Patents
Fiber cement and preparation method and application thereof Download PDFInfo
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- CN114988807A CN114988807A CN202210662758.6A CN202210662758A CN114988807A CN 114988807 A CN114988807 A CN 114988807A CN 202210662758 A CN202210662758 A CN 202210662758A CN 114988807 A CN114988807 A CN 114988807A
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- cement
- fiber
- fiber cement
- methyl cellulose
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
- C04B24/383—Cellulose or derivatives thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/045—Means for fastening plaster-bases to a supporting structure
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the technical field of cement composite materials, in particular to fiber cement and a preparation method and application thereof. The fiber cement comprises the following components in parts by weight: 30-40 parts of Portland cement, 8-12 parts of hydroxypropyl methyl cellulose, 3-5 parts of glass fiber and 8-10 parts of water. The fiber cement prepared from the portland cement, the hydroxypropyl methyl cellulose and the glass fiber has better bonding performance, the fixed steel wire mesh is not pulled off by the pulling force of 150N, the fiber cement has excellent tensile property, the fiber cement does not crack after being cured, the bonding effect is better than that of the fiber cement fixed by using a heat-insulating nail, and the construction efficiency is higher. The fiber cement has less components, simple preparation process and convenient large-scale popularization and use.
Description
Technical Field
The invention relates to the technical field of cement composite materials, in particular to fiber cement and a preparation method and application thereof.
Background
In the building field, different base member handing-over departments need hang and establish the wire net and prevent the fracture, and traditional way is for adopting powerful glue to fix the heat preservation nail on concrete wall and brick wall, and it establishes the wire net on the wall to wait after glue solidifies, and the heat preservation nail is buckled fixedly, and is comparatively loaded down with trivial details, and fails to realize the effective laminating of wire net and wall body completely, causes the plaster bed can not cover the wire net completely easily, appears the phenomenon of leaking the net.
Based on prior art's not enough, how to develop a neotype material and come the wire net to bond on the wall, realize the effective laminating of wire net and wall body, and can not appear leaking the net, no longer use the fixed wire net of heat preservation nail, the technical problem that the skilled person needs a urgent need to solve.
Disclosure of Invention
The invention aims to provide fiber daub and a preparation method and application thereof, so as to overcome the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides fiber cement which comprises the following components in parts by weight: 30-40 parts of portland cement, 8-12 parts of hydroxypropyl methyl cellulose, 3-5 parts of glass fiber and 8-10 parts of water.
Preferably, the composition comprises the following components in parts by weight: 32-36 parts of Portland cement, 9-11 parts of hydroxypropyl methyl cellulose, 4-5 parts of glass fiber and 9-10 parts of water.
Preferably, the specific surface area of the portland cement is 250-280 m 2 /kg。
Preferably, the particle size of the hydroxypropyl methyl cellulose is 80-100 meshes.
Preferably, the glass fiber is medium alkali glass fiber.
The invention also provides a preparation method of the fiber daub, which comprises the following steps:
and uniformly mixing the silicate cement, the hydroxypropyl methyl cellulose, the glass fiber and the water to obtain the fiber cement.
Preferably, the mixing is to mix the portland cement, the hydroxypropyl methyl cellulose and the glass fiber uniformly, and then add water to mix uniformly.
The invention also provides an application method of the fiber daub in hanging of a steel wire mesh, which comprises the following steps:
and (3) spreading the steel wire mesh on a wall, then coating fiber cement on the surface of the steel wire mesh, and airing.
Preferably, the airing time is 6-10 h.
Through the technical scheme, compared with the prior art, the technical scheme of the invention has the following beneficial effects:
the invention uses the alkali glass fiber, and has better chemical stability and strength on the premise of lower cost;
the fiber cement prepared from the Portland cement, the hydroxypropyl methyl cellulose and the glass fiber has better bonding performance, the fixed steel wire mesh is not torn off by the pulling force of 150N, and the fiber cement has excellent tensile resistance; after the fiber daub is cured, the fiber daub does not crack, has better bonding effect than that of fixing by using a heat-insulating nail, and has higher construction efficiency;
the fiber cement has less components, simple preparation process and convenient large-scale popularization and use, and because the Portland cement is a hydraulic material, the system can be fully cured after a proper amount of water is stored for a period of time, and has certain strength; the hydroxypropyl methyl cellulose is used, so that the overall water retention capacity of the fiber cement can be improved, the rapid loss of water is avoided, the fiber cement can have enough time to solidify, and the steel wire mesh and the fiber cement have high bonding strength.
Drawings
FIG. 1 is a fiber cement made according to example 3 of the present invention.
Detailed Description
The invention provides fiber cement which comprises the following components in parts by weight: 30-40 parts of portland cement, 8-12 parts of hydroxypropyl methyl cellulose, 3-5 parts of glass fiber and 8-10 parts of water, preferably 32-36 parts of portland cement, 9-11 parts of hydroxypropyl methyl cellulose, 4-5 parts of glass fiber and 9-10 parts of water.
In the invention, the specific surface area of the portland cement is 250-280 m 2 Preferably 260 to 275 m/kg 2 /kg。
In the present invention, the hydroxypropyl methylcellulose has a particle size of 80 to 100 mesh, preferably 85 to 90 mesh.
In the invention, the glass fiber is medium-alkali glass fiber.
The invention also provides a preparation method of the fiber daub, which comprises the following steps:
the fiber cement is prepared by uniformly mixing the silicate cement, the hydroxypropyl methyl cellulose, the glass fiber and the water, preferably, the silicate cement, the hydroxypropyl methyl cellulose and the glass fiber are uniformly mixed, then the water is added for uniform mixing, and preferably, the dry materials are uniformly mixed, then the water is added for stirring, so that the hydroxypropyl methyl cellulose, the glass fiber and the silicate cement can be fully and uniformly mixed, and the labor amount in the mixing process is reduced.
The invention also provides an application method of the fiber daub in hanging of a steel wire mesh, which comprises the following steps:
and (3) spreading the steel wire mesh on a wall, then coating fiber cement on the surface of the steel wire mesh, and airing.
In the invention, the hanging steel wire mesh can be specifically a steel wire mesh hung at the joint of two different substrates for reinforcing the bonding strength of the substrates.
In the invention, the fiber cement is coated on two sides of the seams of different substrates to firmly combine the substrates and the steel wire meshes.
In the invention, the airing time is 6-10 h, preferably 8-9 h.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention, and all the "parts" described in the examples of the present invention mean "parts by weight".
Example 1
Weighing 30 parts of the mixture with the specific surface area of 250m 2 The fiber cement is prepared by uniformly mixing silicate cement, hydroxypropyl methyl cellulose and glass fiber, adding water and uniformly stirring the mixture, wherein the silicate cement, 8 parts of hydroxypropyl methyl cellulose with the particle size of 80 meshes, 3 parts of medium-alkali glass fiber and 8 parts of water are added into the mixture to prepare the fiber cement.
Example 2
Weighing 32 parts of the mixture with a specific surface area of 255m 2 The fiber cement is prepared by mixing Portland cement, hydroxypropyl methylcellulose with the particle size of 85 meshes, 4 parts of medium-alkali glass fiber and 9 parts of water uniformly, adding water and stirring uniformly.
Example 3
Weighing 35 parts of the mixture with the specific surface area of 260m 2 The fiber cement is prepared by mixing silicate cement, hydroxypropyl methyl cellulose and glass fiber uniformly, adding water and stirring uniformly, wherein the silicate cement is per kg, 10 parts of hydroxypropyl methyl cellulose with the particle size of 90 meshes, 4 parts of medium-alkali glass fiber and 9 parts of water.
Example 4
38 parts of the mixture with a specific surface area of 270m are weighed 2 The fiber cement is prepared by mixing 11 parts of hydroxypropyl methyl cellulose with the particle size of 95 meshes, 4 parts of medium-alkali glass fiber and 10 parts of water uniformly, adding water and stirring uniformly.
Example 5
Weighing 40 parts of the mixture with the specific surface area of 280m 2 Silicate cement of per kg, 12 parts of hydroxypropyl methyl cellulose with the grain diameter of 100 meshes, 5 parts of medium alkali glass fiber and 10 parts of water, then the silicate cement, the hydroxypropyl methyl cellulose and the glass fiber are evenly mixed, and water is added to be evenly stirred to prepare the fiber cement.
Comparative example 1
Comparative example 1 differs from example 3 in that comparative example 1 does not contain medium alkali glass fibers.
Comparative example 2
Comparative example 2 is different from example 3 in that comparative example 2 uses polyvinyl alcohol instead of hydroxypropylmethylcellulose.
The daubs prepared in examples 1-5 and comparative examples 1-2 were tested, and the test method was to cut a steel wire mesh of 1m x 2m, lay the steel wire mesh flat on a wall surface, which was a brick wall surface and a cement wall surface, respectively, apply fiber daubs on the steel wire mesh of the brick wall surface and the cement wall surface every 0.5m, air dry for 8 hours, and the final test results are shown in table 1.
TABLE 1 mortar Performance test results for examples 1-5 and comparative examples 1-2
| Tension of 120N | Tension of 150N | Cracking after hardening | |
| Example 1 | Can not be torn off | Can not be torn off | Is composed of |
| Example 2 | Can not be torn off | Can not be torn off | Is composed of |
| Example 3 | Can not be torn off | Can not be torn off | Is free of |
| Example 4 | Can not be torn off | Can not be torn off | Is free of |
| Example 5 | Can not be torn off | Can not be torn off | Is free of |
| Comparative example 1 | Can not be torn off | Can be torn off | Is free of |
| Comparative example 2 | Can be torn off | Can be torn off | Is provided with |
The fiber cement and the preparation method and the application thereof have the advantages that the fiber cement has fewer components, the preparation process is simple, the large-scale popularization and the application are convenient, the steel wire mesh can be well fixed, the bonding performance between the cement prepared from the cement and the hydroxypropyl methyl cellulose and the wall surface is better as shown in the embodiment 3 and the comparative examples 1-2, the steel wire mesh 120N fixed by the cement prepared by mixing the polyvinyl alcohol can be pulled off, and the steel wire mesh prepared by mixing the hydroxypropyl methyl cellulose and the hydroxypropyl methyl cellulose can not be pulled off by the pulling force of 150N. But the daub mixed by cement and hydroxypropyl methyl cellulose can crack after hardening, glass fiber yarns are added into the daub to enhance the elastic coefficient and the tensile property of the daub, and the final test proves that the fiber daub prepared by adding the glass fibers avoids the defect of cracking, the bonding property is better than that of the thermal insulation nail in fixing effect, and the construction efficiency is higher.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The fiber daub is characterized by comprising the following components in parts by weight: 30-40 parts of Portland cement, 8-12 parts of hydroxypropyl methyl cellulose, 3-5 parts of glass fiber and 8-10 parts of water.
2. The fiber cement according to claim 1, which is characterized by comprising the following components in parts by weight: 32-36 parts of portland cement, 9-11 parts of hydroxypropyl methyl cellulose, 4-5 parts of glass fiber and 9-10 parts of water.
3. A fibrous cement according to claim 1 or 2, wherein said portland cement has a specific surface area of 250 to 280m 2 /kg。
4. The fiber cement according to claim 3, wherein the hydroxypropyl methylcellulose has a particle size of 80 to 100 mesh.
5. A fibre cement according to claim 1, 2 or 4, characterised in that the glass fibres are medium alkali glass fibres.
6. A method of preparing a fibre cement according to any of claims 1 to 5, characterised in that it comprises the following steps:
and uniformly mixing the portland cement, hydroxypropyl methyl cellulose, glass fiber and water to obtain the fiber cement.
7. The preparation method of fiber cement according to claim 6, wherein the mixing is performed by mixing the portland cement, hydroxypropyl methylcellulose, and glass fiber, and then adding water to mix.
8. The application method of the fiber cement as claimed in any one of claims 1 to 5, which is characterized by comprising the following steps:
and (3) spreading the steel wire mesh on a wall, then coating fiber cement on the surface of the steel wire mesh, and airing.
9. The application method of claim 8, wherein the drying time is 6-10 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210662758.6A CN114988807A (en) | 2022-06-13 | 2022-06-13 | Fiber cement and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210662758.6A CN114988807A (en) | 2022-06-13 | 2022-06-13 | Fiber cement and preparation method and application thereof |
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| CN114988807A true CN114988807A (en) | 2022-09-02 |
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| CN202210662758.6A Pending CN114988807A (en) | 2022-06-13 | 2022-06-13 | Fiber cement and preparation method and application thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092751A (en) * | 1990-03-23 | 1994-09-28 | 冯泰克国际有限公司 | Interground fiber cement |
| US20060201392A1 (en) * | 2005-03-08 | 2006-09-14 | Matthew Piazza | Lightweight cementitious mixture |
| CN101139174A (en) * | 2007-08-01 | 2008-03-12 | 深圳大学 | A kind of preparation method of fiber composite aluminophosphate cement and its slurry and concrete |
| CN105271955A (en) * | 2015-11-16 | 2016-01-27 | 苏州大乘环保建材有限公司 | Multifunctional paste-shaped plaster and preparation method thereof |
| RU2618819C1 (en) * | 2016-05-05 | 2017-05-11 | Общество с ограниченной ответственностью "Ажио" (ООО "Ажио") | Composition for producing lightweight architectural articles |
| CN108609958A (en) * | 2018-05-25 | 2018-10-02 | 万玉梅 | A kind of preparation method of fiber inorganic type clay |
-
2022
- 2022-06-13 CN CN202210662758.6A patent/CN114988807A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092751A (en) * | 1990-03-23 | 1994-09-28 | 冯泰克国际有限公司 | Interground fiber cement |
| US20060201392A1 (en) * | 2005-03-08 | 2006-09-14 | Matthew Piazza | Lightweight cementitious mixture |
| CN101139174A (en) * | 2007-08-01 | 2008-03-12 | 深圳大学 | A kind of preparation method of fiber composite aluminophosphate cement and its slurry and concrete |
| CN105271955A (en) * | 2015-11-16 | 2016-01-27 | 苏州大乘环保建材有限公司 | Multifunctional paste-shaped plaster and preparation method thereof |
| RU2618819C1 (en) * | 2016-05-05 | 2017-05-11 | Общество с ограниченной ответственностью "Ажио" (ООО "Ажио") | Composition for producing lightweight architectural articles |
| CN108609958A (en) * | 2018-05-25 | 2018-10-02 | 万玉梅 | A kind of preparation method of fiber inorganic type clay |
Non-Patent Citations (1)
| Title |
|---|
| 高淑玲等: "利用水平外力总功研究PVA纤维增强水泥基复合材料韧性", 《东南大学学报(自然科学版)》 * |
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Application publication date: 20220902 |
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