CN112979259A - Three-dimensional ventilative thistle board - Google Patents
Three-dimensional ventilative thistle board Download PDFInfo
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- CN112979259A CN112979259A CN201911274609.7A CN201911274609A CN112979259A CN 112979259 A CN112979259 A CN 112979259A CN 201911274609 A CN201911274609 A CN 201911274609A CN 112979259 A CN112979259 A CN 112979259A
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- water
- paper
- soluble anion
- anion powder
- gypsum board
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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
- C04B28/14—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 calcium sulfate 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
- 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
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
- C04B2111/0062—Gypsum-paper board like materials
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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 three-dimensional air-permeable gypsum plaster board, which adds an air optimization material into the gypsum plaster board, endows the gypsum plaster board with the capability of optimizing air, and does not bring adverse effects to other performances (such as strength, heat preservation performance and the like) of the gypsum plaster board by adding the air optimization material; meanwhile, the water-soluble negative ion powder has lasting air optimizing capacity, the air optimizing effect of the gypsum board is improved, the water-soluble negative ion powder is added in different modes, the water-soluble negative ion powder can be uniformly distributed in the mask paper and the board core of the paper-surface gypsum board, the air optimizing capacity of the paper-surface gypsum board is obviously improved, embossing can be carried out on the surface of the paper-surface gypsum board by using an embossing roller, the air permeability and the air optimizing capacity of the paper-surface gypsum board can be improved by using the embossing roller, the surface of the paper-surface gypsum board can be provided with three-dimensional shaping embossing holes with a certain shape, the paper-surface gypsum board can be directly used for interior wall decorative boards, subsequent processing is not.
Description
Technical Field
The application relates to but is not limited to the technical field of production of paper-surface gypsum boards, in particular to but not limited to a three-dimensional breathable paper-surface gypsum board produced by using water-soluble anion powder and calcium sulfate dihydrate.
Background
The paper-surface gypsum board is a novel building material, has various properties such as light weight, convenient processing, heat and sound insulation, excellent fireproof performance and breathing performance, and the like, and is widely applied to various occasions. The paper-surface gypsum board belongs to a porous product, has a certain air optimizing effect, but the effect is not ideal. Especially, the whole air environment is worried at present, so that the paper-surface gypsum board capable of optimizing the indoor air can greatly improve the living environment, which is very significant.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The application provides a three-dimensional ventilative thistle board that has the ability of good optimization air.
Specifically, the application provides a three-dimensional breathable paper-surface gypsum board, which comprises water-soluble anion powder, wherein the addition amount of the water-soluble anion powder is 2-7 parts by weight based on 100 parts by weight of calcium sulfate dihydrate for preparing the paper-surface gypsum board.
In the embodiment of the present application, the water-soluble anion powder may be a water-soluble anion powder commonly used in the art or prepared by an existing method.
In embodiments of the present application, the manner of adding the water-soluble anion powder to the paper-faced gypsum board may include: and adding the water-soluble anion powder into the slurry at an outlet of the slurry for preparing the paper-surface gypsum board.
In the embodiment of the present application, the water-soluble anion powder may be added to the gypsum plasterboard in such a manner that: adding a first part of water-soluble anion powder into the slurry at an outlet of the slurry for preparing the paper-surface gypsum board, preparing a second part of water-soluble anion powder into a water-soluble anion powder aqueous solution and spraying the water-soluble anion powder aqueous solution onto the inner surface of the lower protective paper of the paper-surface gypsum board, and preparing a third part of water-soluble anion powder into a water-soluble anion powder aqueous solution and spraying the water-soluble anion powder aqueous solution onto the inner surface of the upper protective paper of the paper-surface gypsum board.
In this application, the inner surface of the facing paper refers to the side of the facing paper that is in contact with the slurry.
In an embodiment of the present application, the weight ratio of the first part of water-soluble negative ion powder, the second part of water-soluble negative ion powder and the third part of water-soluble negative ion powder can be (1-3): (0.2-1.3): (0.2-1.6).
Optionally, the weight ratio of the first part of water-soluble anion powder, the second part of water-soluble anion powder and the third part of water-soluble anion powder is 2.5:1: 1.
In an embodiment of the present application, the concentration of the aqueous solution of water-soluble anion powder prepared from the second water-soluble anion powder may be 0.3 to 25% by weight, and the concentration of the aqueous solution of water-soluble anion powder prepared from the third water-soluble anion powder may be 0.3 to 25% by weight.
In an embodiment of the present application, the paper-faced gypsum board surface may have a molding formed of a high-strength gypsum-based mortar including 60-80 parts by weight of high-strength gypsum, 10-30 parts by weight of diatomaceous earth, 5-10 parts by weight of portland cement, 5-10 parts by weight of zeolite, 0-10 parts by weight of cuprous oxide powder, 2-5 parts by weight of fourth part of water-soluble anion powder, 0.1-0.6 parts by weight of a water reducing agent, 0.02-0.1 parts by weight of a retarder, 0.01-0.2 parts by weight of cellulose ether.
Optionally, the high strength gypsum is alpha high strength gypsum.
In embodiments of the present application, the weight ratio of the fourth portion of water-soluble anion powder in the high-strength gypsum-based mortar to the first portion of water-soluble anion powder added to the slurry may be 2: 1.
In embodiments of the present application, the gypsum plasterboard may further comprise 100 parts by weight of calcium sulphate dihydrate, 0.3-0.9 parts by weight of starch, 0.03-0.09 parts by weight of a foaming agent and an amount of water to be used at a standard consistency of the gypsum slurry.
In an embodiment of the present application, the water-soluble anion powder may have a particle size of 70 to 200 mesh.
In embodiments of the present application, the three-dimensional air-permeable paper-faced gypsum board may be prepared by:
mixing calcium sulfate dihydrate, starch and a foaming agent;
adding water, and uniformly mixing to form slurry;
adding a first portion of water-soluble anion powder at an outlet of the slurry;
preparing the second part of water-soluble anion powder into a water-soluble anion powder aqueous solution, and spraying the water-soluble anion powder aqueous solution onto the inner surface of the lower protective surface paper;
flatly paving the slurry on lower protective paper sprayed with water-soluble negative ion powder aqueous solution;
shaping the upper surface of the slurry according to a desired shape by using high-strength gypsum-based mortar; cutting the upper protective paper according to the molded shape; preparing water-soluble anion powder aqueous solution from the third water-soluble anion powder, spraying the water-soluble anion powder aqueous solution onto the inner surface of the upper protective paper, and attaching the upper protective paper sprayed with the water-soluble anion powder aqueous solution onto the surface of the slurry without shaping to expose the shaping;
or cutting the upper protective paper according to a desired shaping shape; preparing a water-soluble negative ion powder aqueous solution from the third water-soluble negative ion powder, and spraying the water-soluble negative ion powder aqueous solution onto the inner surface of the upper protective paper; the upper protective paper sprayed with the water-soluble anion powder water solution is attached to the surface of the slurry; shaping on the slurry without the facing paper
And (5) molding and drying.
Optionally, before the shaping is performed by using the high-strength gypsum-based mortar, the method for preparing the three-dimensional air-permeable paper-surface gypsum board further comprises:
uniformly mixing high-strength gypsum, diatomite, portland cement, zeolite, cuprous oxide powder, fourth water-soluble anion powder, a water reducing agent, a retarder and cellulose ether to obtain the high-strength gypsum-based mortar;
and (3) mixing the high-strength gypsum-based mortar and mixing water according to the weight ratio of (2-4) to 1, and uniformly stirring.
Optionally, the drying comprises: drying for 20-40 min at 160-200 ℃; reducing the temperature to 80-120 ℃, and continuously drying until the water content of the gypsum plaster board is 5-15%; and drying the gypsum plaster board to constant weight under the pressure of 0.01-0.08MPa and the temperature of 40-60 ℃.
Optionally, after drying, the method of making the three-dimensional air-permeable paper-faced gypsum board further comprises: embossing the surface of the paper-surface gypsum board by using an embossing roller
The application obtains the following beneficial technical effects:
(1) according to the application, the air optimization material is added into the gypsum plaster board, so that the capability of optimizing air is given to the gypsum plaster board, and the addition of the air optimization material does not bring adverse effects to other performances (such as strength, heat preservation performance and the like) of the gypsum plaster board; meanwhile, the adopted air optimization material, namely the water-soluble anion powder has lasting air optimization capacity, and the air optimization effect of the gypsum board is improved.
(2) The water-soluble anion powder is added in different modes, so that the water-soluble anion powder can be uniformly distributed in the protective paper and the board core of the gypsum plaster board, and the air optimizing capability of the gypsum plaster board is obviously improved.
(3) Moulding direct integrated into one piece that high strength gypsum base mortar formed is on gypsum slurry surface, and need not other bonding material, has realized moulding and gypsum slurry's seamless connection for moulding can combine on thistle board better, and moulding existence can not influence the water-soluble anion powder release anion in thistle board core moreover.
(4) Embossing can be carried out on the surface of the paper-surface gypsum board by utilizing embossing rollers, and the embossing holes can improve the air permeability of the paper-surface gypsum board and optimize the air capacity.
(5) The surface of the paper-surface gypsum board can be provided with three-dimensional shaping and embossing holes with certain shapes, is beautiful and elegant, can be directly used for interior wall decorative boards, does not need subsequent processing treatment and is convenient to use.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Detailed Description
Hereinafter, embodiments of the present application will be described in detail to make objects, technical solutions and advantages of the present application more apparent. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The starting materials used in the following examples are all common commercial products unless otherwise specified.
Example 1
1. Weighing 100kg of calcium sulfate dihydrate, 60kg of water, 3kg of water-soluble anion powder, 0.6kg of starch and 0.06kg of foaming agent;
2. dividing water-soluble anion powder into four parts according to the weight ratio of 2.5:1:1:4, wherein the first part of water-soluble anion powder is 0.75kg, the second part of water-soluble anion powder is 0.375kg, the third part of water-soluble anion powder is 0.375kg, and the fourth part of water-soluble anion powder is 1.5 kg; respectively adding water into the second part of water-soluble anion powder and the third part of water-soluble anion powder to prepare water-soluble anion powder aqueous solution with the concentration of 7.5 weight percent;
3. adding calcium sulfate dihydrate, starch, a foaming agent and water into a mixer, and uniformly mixing;
4. adding a first part of water-soluble anion powder at a slurry outlet of a mixer;
5. spraying a water-soluble anion powder water solution prepared from the second part of water-soluble anion powder on the inner surface of the lower protective surface paper;
6. cutting off the part of the upper surface protection paper needing shaping before final setting of the gypsum slurry, and spraying a water-soluble anion powder water solution prepared from third water-soluble anion powder on the inner surface of the upper surface protection paper;
7. spreading a slurry pump containing a first part of water-soluble anion powder on the lower protective paper;
8. the upper protective paper sprayed with the water-soluble anion powder water solution is attached to the slurry;
9. weighing 6kg of high-strength gypsum, 1.5kg of diatomite, 1kg of portland cement, 0.5kg of zeolite, 0.02kg of water reducing agent, 0.002kg of retarder and 0.005kg of cellulose ether, uniformly mixing with the fourth part of water-soluble anion powder, and adding a proper amount of mixing water (the amount of the mixing water is the water amount of the standard consistency of the mortar) to obtain the molding mortar;
10. before the gypsum slurry is finally set, making expected shaping on the slurry without the facing paper by using shaping mortar;
11. molding;
12. conveying the formed gypsum plasterboard to a drying kiln, and drying at 160-200 ℃ for 20-40 min; reducing the temperature to 80-120 ℃, and continuously drying until the water content of the gypsum plaster board is 5-15%; continuously pumping pressure in a drying kiln, continuously reducing the pressure in the kiln to 0.02Mpa, reducing the temperature to 40-60 ℃, and continuously drying the gypsum plaster board to constant weight;
13. the gypsum plaster board is sent to a surface treatment chamber, and a plurality of holes are formed on the surface of the gypsum plaster board by using needle-shaped press rolls.
Example 2
This embodiment differs from embodiment 1 only in that: the water consumption is 70kg, 3kg of water-soluble anion powder is added at the slurry outlet of the mixer, and the water-soluble anion powder aqueous solution is not sprayed on the inner surfaces of the upper and lower protective paper.
Example 3
This embodiment differs from embodiment 1 only in that: dividing 3kg of water-soluble anion powder into three parts according to the weight ratio of 3:1:1, wherein the first part of water-soluble anion powder is 1.8kg, and adding the water-soluble anion powder at an outlet of the slurry; the second and third water-soluble anion powders were each 0.6kg, and water was added to prepare a 12 wt% aqueous solution of the water-soluble anion powder, which was then sprayed onto the inner surfaces of the upper and lower protective sheets, respectively. The upper surface protecting paper is not cut and is not shaped.
Example 4
This embodiment differs from embodiment 1 only in that: the water consumption is 70kg, 3kg of water-soluble anion powder and other raw materials such as calcium sulfate dihydrate, starch and the like are mixed together in a mixer to prepare slurry, and the gypsum plaster board is prepared.
Test example
The ordinary commercially available gypsum plasterboard without water-soluble negative ion powder added and the gypsum plasterboards prepared in examples 1 to 4 to which water-soluble negative ion powder was added were tested for their negative ion releasing ability according to national standard JC/T1016-2006 test method for the amount of negative ion generated in materials.
It can be seen that the gypsum plasterboards prepared in examples 1 to 4 have a significantly enhanced anion releasing ability after the addition of water-soluble anion powder; particularly, in the embodiment 1, the water-soluble negative ion powder is added into the gypsum plasterboard according to a specific proportion by adopting different addition modes, so that the prepared gypsum plasterboard has obviously better negative ion release capability, the indoor air freshening degree can reach a special level (the negative ion concentration is more than 5000/cm 3), the air quality is obviously better than the first level (the negative ion concentration is more than 2000/cm 3) air freshening degree of the embodiments 2 to 3, and the distribution of the water-soluble negative ion powder in the gypsum plasterboard prepared in the embodiment 1 is more reasonable.
Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.
Claims (8)
1. A three-dimensional breathable paper-surface gypsum board comprising water-soluble anion powder, and the water-soluble anion powder is added in an amount of 2-7 parts by weight based on 100 parts by weight of calcium sulfate dihydrate from which the paper-surface gypsum board is made, the water-soluble anion powder being added to the paper-surface gypsum board in a manner comprising: adding the water-soluble anion powder into slurry at an outlet of the slurry for preparing the paper-surface gypsum board, wherein the water-soluble anion powder is added into the paper-surface gypsum board in the following way: adding a first part of water-soluble anion powder into the slurry at an outlet of the slurry for preparing the paper-surface gypsum board, preparing a second part of water-soluble anion powder into a water-soluble anion powder aqueous solution and spraying the water-soluble anion powder aqueous solution onto the inner surface of the lower protective paper of the paper-surface gypsum board, and preparing a third part of water-soluble anion powder into a water-soluble anion powder aqueous solution and spraying the water-soluble anion powder aqueous solution onto the inner surface of the upper protective paper of the paper-surface gypsum board.
2. The three-dimensional breathable paper-faced gypsum board of claim 1, wherein the weight ratio of the first, second and third water-soluble anion powders is (1-3): 0.2-1.3: 0.2-1.6.
3. The three-dimensional air-permeable paper-surface gypsum board of claim 2, wherein the weight ratio of the first part of water-soluble anion powder, the second part of water-soluble anion powder and the third part of water-soluble anion powder is 2.5:1: 1.
4. The three-dimensional air-permeable paper-faced gypsum board of claim 3, wherein the second water-soluble anion powder is formulated to have a concentration of 0.3-25 wt% in water-soluble anion powder aqueous solution, and the third water-soluble anion powder is formulated to have a concentration of 0.3-25 wt% in water-soluble anion powder aqueous solution.
5. The three-dimensional air-permeable paper-faced gypsum board according to any one of claims 1 to 3, wherein the paper-faced gypsum board surface has a molding formed from a high-strength gypsum-based mortar comprising 60 to 80 parts by weight of high-strength gypsum, 10 to 30 parts by weight of diatomaceous earth, 5 to 10 parts by weight of portland cement, 5 to 10 parts by weight of zeolite, 0 to 10 parts by weight of cuprous oxide powder, 2 to 5 parts by weight of a fourth water-soluble anion powder, 0.1 to 0.6 parts by weight of a water-reducing agent, 0.02 to 0.1 parts by weight of a retarder, 0.01 to 0.2 parts by weight of cellulose ether; optionally, the high strength gypsum is alpha high strength gypsum.
6. The three-dimensional air-permeable paper-faced gypsum board of claim 5, wherein the weight ratio of the fourth portion of water-soluble anion powder in the high-strength gypsum-based mortar to the first portion of water-soluble anion powder added to the slurry is 2: 1.
7. The solid, air-permeable, paper-faced gypsum board of claim 1, further comprising 100 parts by weight of calcium sulfate dihydrate, 0.3-0.9 parts by weight of starch, 0.03-0.09 parts by weight of a foaming agent, and an amount of water, the amount of water being that used for a standard consistency of the gypsum slurry.
8. The three-dimensional air-permeable paper-surface gypsum board according to claim 1, wherein the water-soluble anion powder has a particle size of 70 to 200 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274609.7A CN112979259A (en) | 2019-12-12 | 2019-12-12 | Three-dimensional ventilative thistle board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274609.7A CN112979259A (en) | 2019-12-12 | 2019-12-12 | Three-dimensional ventilative thistle board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112979259A true CN112979259A (en) | 2021-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911274609.7A Pending CN112979259A (en) | 2019-12-12 | 2019-12-12 | Three-dimensional ventilative thistle board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112979259A (en) |
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2019
- 2019-12-12 CN CN201911274609.7A patent/CN112979259A/en active Pending
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Application publication date: 20210618 |
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| WD01 | Invention patent application deemed withdrawn after publication |