CN112608120A - Ceiling capable of changing color and preparation method thereof - Google Patents
Ceiling capable of changing color and preparation method thereof Download PDFInfo
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- CN112608120A CN112608120A CN202110068318.3A CN202110068318A CN112608120A CN 112608120 A CN112608120 A CN 112608120A CN 202110068318 A CN202110068318 A CN 202110068318A CN 112608120 A CN112608120 A CN 112608120A
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- fly ash
- color
- changeable
- ceiling
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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
- C04B28/142—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 containing synthetic or waste calcium sulfate cements
- C04B28/143—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 containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
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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
- 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
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- 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
- C04B20/02—Treatment
- C04B20/04—Heat treatment
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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
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
-
- 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
- C04B2111/52—Sound-insulating materials
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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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
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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
Abstract
The invention discloses a color-changeable ceiling which is prepared from the following raw materials in parts by weight: 38-45 parts of phosphogypsum, 10-15 parts of kaolin, 4-8 parts of allochroic silica gel, 4-8 parts of expanded perlite, 2-6 parts of modified fly ash, 2-6 parts of bentonite, 2-4 parts of talcum powder, 0.8-2 parts of borax, 0.8-2 parts of sodium lignosulfonate, 0.5-1.5 parts of flame retardant and 12-20 parts of deionized water. The color-changeable ceiling can adjust the color of the ceiling according to the humidity in the air, thereby achieving the color-changeable function; the color-changeable ceiling has very low heat conductivity coefficient, thereby having good heat preservation function; the heat conductivity coefficient is obviously reduced by adding the modified fly ash, so that the heat insulation performance is obviously improved.
Description
Technical Field
The invention relates to the technical field of ceilings, in particular to a color-changeable ceiling and a preparation method thereof.
Background
Phosphogypsum (CaSO 4.2H2O) is industrial solid waste generated in the production process of wet-process phosphoric acid, has the largest discharge amount in industrial byproduct gypsum waste residue, and is a renewable gypsum resource. In the process of wet-process phosphoric acid production in the phosphorus chemical industry, 4.5-5.5 t of phosphogypsum is produced every 1t of wet-process phosphoric acid. The large amount of production, discharge and stockpiling of the phosphogypsum occupy a large amount of land, increase the investment and operation and maintenance cost, and bring about the problems of serious safety, ecological environment pollution and the like. The treatment and the recycling comprehensive utilization of the phosphogypsum change waste into valuable, and have great significance.
In the aspect of heat insulation ceilings, organic polymer materials such as EPS and XPS are adopted as heat insulation materials in the past. Although the insulation board has excellent thermal insulation performance, the insulation board has the obvious defects of flammability, easy aging and shedding, complex maintenance and replacement and the like, particularly the defect of flammability, so that serious fire accidents caused by the combustion of the insulation board are caused, huge casualties and property loss are caused, and the application of the insulation board is severely limited.
Disclosure of Invention
The invention provides a color-changeable ceiling and a preparation method thereof, wherein the ceiling has good heat insulation performance.
The invention adopts the following technical scheme for solving the technical problems:
a color-changeable ceiling is prepared from the following raw materials in parts by weight: 38-45 parts of phosphogypsum, 10-15 parts of kaolin, 4-8 parts of allochroic silica gel, 4-8 parts of expanded perlite, 2-6 parts of modified fly ash, 2-6 parts of bentonite, 2-4 parts of talcum powder, 0.8-2 parts of borax, 0.8-2 parts of sodium lignosulfonate, 0.5-1.5 parts of flame retardant and 12-20 parts of deionized water.
As a preferable scheme, the color-changeable ceiling is prepared from the following raw materials in parts by weight: 40-45 parts of phosphogypsum, 10-14 parts of kaolin, 4-7 parts of allochroic silica gel, 4-7 parts of expanded perlite, 3-6 parts of modified fly ash, 2-5 parts of bentonite, 2.5-4 parts of talcum powder, 0.8-1.5 parts of borax, 0.8-1.5 parts of sodium lignosulfonate, 0.5-1 part of flame retardant and 15-20 parts of deionized water.
As a most preferable scheme, the color-changeable ceiling is made of the following raw materials in parts by weight: 42.8 parts of phosphogypsum, 12 parts of kaolin, 6 parts of allochroic silica gel, 6 parts of expanded perlite, 5 parts of modified fly ash, 4 parts of bentonite, 3 parts of talcum powder, 1.4 parts of borax, 1 part of sodium lignosulfonate, 0.8 part of flame retardant and 18 parts of deionized water.
As a preferable scheme, the preparation method of the modified fly ash comprises the following steps:
s1, adding 10-20 parts of fly ash into 30-50 parts of activating agent, performing ultrasonic treatment for 35-50 min at 400-600W, filtering, drying, calcining at 700-750 ℃ to obtain calcined fly ash, cooling, adding 10-20 parts of calcined fly ash into 30-50 parts of sodium hydroxide solution after cooling, soaking for 2-5 h, taking out, and drying to obtain pretreated fly ash;
s2, adding 6-10 parts of pretreated fly ash, 0.5-2 parts of calcium oxide, 0.6-1.2 parts of vitrified micro bubbles, 0.5-1 part of titanium dioxide, 0.4-0.8 part of sodium dodecyl benzene sulfonate and 0.1-0.3 part of silane coupling agent into a mixer, uniformly stirring, discharging and drying to obtain the modified fly ash.
As a preferable scheme, the activating agent is prepared from 20-30 parts of ethylene glycol, 10-20 parts of glycerol, 5-8 parts of stearic acid and 2-5 parts of triethanolamine at the temperature of 70-90 ℃.
Preferably, the activating agent is prepared from 25 parts of ethylene glycol, 15 parts of glycerol, 6 parts of stearic acid and 4 parts of triethanolamine at 85 ℃.
Preferably, the mass concentration of the sodium hydroxide is 4-10%.
Preferably, the silane coupling agent is KH 550.
Preferably, the flame retardant is magnesium hydroxide.
The invention also provides a preparation method of the color-changeable ceiling, which comprises the following steps:
s11, adding kaolin, allochroic silica gel, expanded perlite, modified fly ash, bentonite, talcum powder, borax, sodium lignosulphonate, a flame retardant and deionized water into a stirrer, and uniformly stirring;
s12, adding phosphogypsum, and uniformly stirring to obtain slurry;
and S13, pouring the slurry into a mold, and demolding after 60-100 min to obtain the high-strength sound-absorbing ceiling.
The invention has the beneficial effects that: (1) the color-changeable ceiling can adjust the color of the ceiling according to the humidity in the air, thereby achieving the color-changeable function; (2) the color-changeable ceiling has very low heat conductivity coefficient, thereby having good heat preservation function; (3) the invention obviously reduces the heat conductivity coefficient by adding the modified fly ash, thereby obviously improving the heat preservation performance.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, the parts are all parts by weight unless otherwise specified.
Example 1
A color-changeable ceiling is prepared from the following raw materials in parts by weight: 42.8 parts of phosphogypsum, 12 parts of kaolin, 6 parts of allochroic silica gel, 6 parts of expanded perlite, 5 parts of modified fly ash, 4 parts of bentonite, 3 parts of talcum powder, 1.4 parts of borax, 1 part of sodium lignosulfonate, 0.8 part of magnesium hydroxide and 18 parts of deionized water.
The preparation method of the modified fly ash comprises the following steps:
s1, adding 15 parts of fly ash into 35 parts of activating agent, carrying out ultrasonic treatment for 40min at 500W, filtering, drying, calcining at 720 ℃ to obtain calcined fly ash, cooling, adding 12 parts of calcined fly ash into 38 parts of sodium hydroxide solution, soaking for 4h, taking out, and drying to obtain pretreated fly ash;
s2, adding 8 parts of pretreated fly ash, 1.5 parts of calcium oxide, 1 part of vitrified micro bubbles, 0.8 part of titanium dioxide, 0.5 part of sodium dodecyl benzene sulfonate and 0.2 part of silane coupling agent into a mixer, uniformly stirring, discharging and drying to obtain the modified fly ash.
The activator is prepared from 25 parts of ethylene glycol, 15 parts of glycerol, 6 parts of stearic acid and 4 parts of triethanolamine at 85 ℃.
The mass concentration of the sodium hydroxide is 8%.
The silane coupling agent is KH 550.
The preparation method of the color-changeable ceiling comprises the following steps:
s11, adding kaolin, allochroic silica gel, expanded perlite, modified fly ash, bentonite, talcum powder, borax, sodium lignosulphonate, a flame retardant and deionized water into a stirrer, and uniformly stirring;
s12, adding phosphogypsum, and uniformly stirring to obtain slurry;
and S13, pouring the slurry into a mold, and demolding after 90min to obtain the high-strength sound-absorbing ceiling.
Example 2
A color-changeable ceiling is prepared from the following raw materials in parts by weight: 38 parts of phosphogypsum, 10 parts of kaolin, 4 parts of allochroic silica gel, 4 parts of expanded perlite, 2 parts of modified fly ash, 2 parts of bentonite, 2 parts of talcum powder, 0.8 part of borax, 0.8 part of sodium lignosulfonate, 0.5 part of flame retardant and 12 parts of deionized water.
The preparation method of the modified fly ash comprises the following steps:
s1, adding 15 parts of fly ash into 35 parts of activating agent, carrying out ultrasonic treatment for 40min at 500W, filtering, drying, calcining at 720 ℃ to obtain calcined fly ash, cooling, adding 12 parts of calcined fly ash into 38 parts of sodium hydroxide solution, soaking for 4h, taking out, and drying to obtain pretreated fly ash;
s2, adding 8 parts of pretreated fly ash, 1.5 parts of calcium oxide, 1 part of vitrified micro bubbles, 0.8 part of titanium dioxide, 0.5 part of sodium dodecyl benzene sulfonate and 0.2 part of silane coupling agent into a mixer, uniformly stirring, discharging and drying to obtain the modified fly ash.
The activator is prepared from 25 parts of ethylene glycol, 15 parts of glycerol, 6 parts of stearic acid and 4 parts of triethanolamine at 85 ℃.
The mass concentration of the sodium hydroxide is 8%.
The silane coupling agent is KH 550.
The preparation method of the color-changeable ceiling comprises the following steps:
s11, adding kaolin, allochroic silica gel, expanded perlite, modified fly ash, bentonite, talcum powder, borax, sodium lignosulphonate, a flame retardant and deionized water into a stirrer, and uniformly stirring;
s12, adding phosphogypsum, and uniformly stirring to obtain slurry;
and S13, pouring the slurry into a mold, and demolding after 90min to obtain the high-strength sound-absorbing ceiling.
Example 3
A color-changeable ceiling is prepared from the following raw materials in parts by weight: 42 parts of phosphogypsum, 14 parts of kaolin, 6 parts of allochroic silica gel, 6 parts of expanded perlite, 4 parts of modified fly ash, 4 parts of bentonite, 2 parts of talcum powder, 1 part of borax, 1 part of sodium lignosulphonate, 0.8 part of flame retardant and 15 parts of deionized water.
The preparation method of the modified fly ash comprises the following steps:
s1, adding 15 parts of fly ash into 35 parts of activating agent, carrying out ultrasonic treatment for 40min at 500W, filtering, drying, calcining at 720 ℃ to obtain calcined fly ash, cooling, adding 12 parts of calcined fly ash into 38 parts of sodium hydroxide solution, soaking for 4h, taking out, and drying to obtain pretreated fly ash;
s2, adding 8 parts of pretreated fly ash, 1.5 parts of calcium oxide, 1 part of vitrified micro bubbles, 0.8 part of titanium dioxide, 0.5 part of sodium dodecyl benzene sulfonate and 0.2 part of silane coupling agent into a mixer, uniformly stirring, discharging and drying to obtain the modified fly ash.
The activator is prepared from 25 parts of ethylene glycol, 15 parts of glycerol, 6 parts of stearic acid and 4 parts of triethanolamine at 85 ℃.
The mass concentration of the sodium hydroxide is 8%.
The silane coupling agent is KH 550.
The preparation method of the color-changeable ceiling comprises the following steps:
s11, adding kaolin, allochroic silica gel, expanded perlite, modified fly ash, bentonite, talcum powder, borax, sodium lignosulphonate, a flame retardant and deionized water into a stirrer, and uniformly stirring;
s12, adding phosphogypsum, and uniformly stirring to obtain slurry;
and S13, pouring the slurry into a mold, and demolding after 90min to obtain the high-strength sound-absorbing ceiling.
Example 4
A color-changeable ceiling is prepared from the following raw materials in parts by weight: 40 parts of phosphogypsum, 10 parts of kaolin, 4 parts of allochroic silica gel, 4 parts of expanded perlite, 3 parts of modified fly ash, 2 parts of bentonite, 2.5 parts of talcum powder, 0.8 part of borax, 0.8 part of sodium lignosulfonate, 0.5 part of flame retardant and 15 parts of deionized water.
The preparation method of the modified fly ash comprises the following steps:
s1, adding 15 parts of fly ash into 35 parts of activating agent, carrying out ultrasonic treatment for 40min at 500W, filtering, drying, calcining at 720 ℃ to obtain calcined fly ash, cooling, adding 12 parts of calcined fly ash into 38 parts of sodium hydroxide solution, soaking for 4h, taking out, and drying to obtain pretreated fly ash;
s2, adding 8 parts of pretreated fly ash, 1.5 parts of calcium oxide, 1 part of vitrified micro bubbles, 0.8 part of titanium dioxide, 0.5 part of sodium dodecyl benzene sulfonate and 0.2 part of silane coupling agent into a mixer, uniformly stirring, discharging and drying to obtain the modified fly ash.
The activator is prepared from 25 parts of ethylene glycol, 15 parts of glycerol, 6 parts of stearic acid and 4 parts of triethanolamine at 85 ℃.
The mass concentration of the sodium hydroxide is 8%.
The silane coupling agent is KH 550.
The preparation method of the color-changeable ceiling comprises the following steps:
s11, adding kaolin, allochroic silica gel, expanded perlite, modified fly ash, bentonite, talcum powder, borax, sodium lignosulphonate, a flame retardant and deionized water into a stirrer, and uniformly stirring;
s12, adding phosphogypsum, and uniformly stirring to obtain slurry;
and S13, pouring the slurry into a mold, and demolding after 90min to obtain the high-strength sound-absorbing ceiling.
Comparative example 1
Comparative example 1 differs from example 1 in that comparative example 1 does not contain the modified fly ash, and the other is the same.
Comparative example 2
Comparative example 2 differs from example 1 in that comparative example 2 replaces the modified fly ash with fly ash, all other things being equal.
Comparative example 3
Comparative example 3 differs from example 1 in that the modified fly ash described in comparative example 3 was prepared by a method different from that of example 1, all other things being equal.
The preparation method of the modified fly ash comprises the following steps:
s1, adding 8 parts of fly ash, 1.5 parts of calcium oxide, 1 part of vitrified micro bubbles, 0.8 part of titanium dioxide, 0.5 part of sodium dodecyl benzene sulfonate and 0.2 part of silane coupling agent into a mixer, uniformly stirring, discharging and drying to obtain the modified fly ash.
The silane coupling agent is KH 550.
Comparative example 4
Comparative example 4 differs from example 1 in that the modified fly ash described in comparative example 4 was prepared by a method different from that of example 1, all other things being equal.
The preparation method of the modified fly ash comprises the following steps:
s1, adding 15 parts of fly ash into 35 parts of activating agent, carrying out ultrasonic treatment for 40min at 500W, filtering, drying, calcining at 720 ℃ to obtain calcined fly ash, cooling, adding 12 parts of calcined fly ash into 38 parts of sodium hydroxide solution, soaking for 4h, taking out, and drying to obtain the modified fly ash.
The activator is prepared from 25 parts of ethylene glycol, 15 parts of glycerol, 6 parts of stearic acid and 4 parts of triethanolamine at 85 ℃.
The mass concentration of the sodium hydroxide is 8%.
To further demonstrate the effect of the present invention, the following test methods were provided:
1. the results of measuring the thermal conductivity of the ceiling boards described in examples 1 to 4 and comparative examples 1 to 4 are shown in Table 1.
TABLE 1 measurement of thermal conductivity
As can be seen from Table 1, the color-changeable ceiling board of the present invention has low thermal conductivity and good thermal insulation performance.
Compared with the examples 1-4, the heat conductivity coefficient of the ceiling can be influenced by the proportion of different ceilings, so that the heat insulation performance is influenced.
Comparing example 1 with comparative examples 1 and 2, it can be known that the modified fly ash of the invention can significantly reduce the thermal conductivity coefficient, thereby improving the thermal insulation performance.
Comparing example 1 with comparative examples 3 and 4, it can be seen that the modified fly ash obtained by different modification methods has different reduction of thermal conductivity, and when the modification method of the fly ash is different from that of example 1, the thermal insulation performance is significantly affected.
In light of the foregoing description of preferred embodiments according to the invention, it is clear that many changes and modifications can be made by the person skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The color-changeable ceiling is characterized by being prepared from the following raw materials in parts by weight: 38-45 parts of phosphogypsum, 10-15 parts of kaolin, 4-8 parts of allochroic silica gel, 4-8 parts of expanded perlite, 2-6 parts of modified fly ash, 2-6 parts of bentonite, 2-4 parts of talcum powder, 0.8-2 parts of borax, 0.8-2 parts of sodium lignosulfonate, 0.5-1.5 parts of flame retardant and 12-20 parts of deionized water.
2. A color-changeable ceiling tile according to claim 1 wherein the color-changeable ceiling tile is made from the following raw materials in parts by weight: 40-45 parts of phosphogypsum, 10-14 parts of kaolin, 4-7 parts of allochroic silica gel, 4-7 parts of expanded perlite, 3-6 parts of modified fly ash, 2-5 parts of bentonite, 2.5-4 parts of talcum powder, 0.8-1.5 parts of borax, 0.8-1.5 parts of sodium lignosulfonate, 0.5-1 part of flame retardant and 15-20 parts of deionized water.
3. A color-changeable ceiling tile according to claim 1 wherein the color-changeable ceiling tile is made from the following raw materials in parts by weight: 42.8 parts of phosphogypsum, 12 parts of kaolin, 6 parts of allochroic silica gel, 6 parts of expanded perlite, 5 parts of modified fly ash, 4 parts of bentonite, 3 parts of talcum powder, 1.4 parts of borax, 1 part of sodium lignosulfonate, 0.8 part of flame retardant and 18 parts of deionized water.
4. A variable color ceiling tile according to claim 1, wherein said modified fly ash is prepared by:
s1, adding 10-20 parts of fly ash into 30-50 parts of activating agent, performing ultrasonic treatment for 35-50 min at 400-600W, filtering, drying, calcining at 700-750 ℃ to obtain calcined fly ash, cooling, adding 10-20 parts of calcined fly ash into 30-50 parts of sodium hydroxide solution after cooling, soaking for 2-5 h, taking out, and drying to obtain pretreated fly ash;
s2, adding 6-10 parts of pretreated fly ash, 0.5-2 parts of calcium oxide, 0.6-1.2 parts of vitrified micro bubbles, 0.5-1 part of titanium dioxide, 0.4-0.8 part of sodium dodecyl benzene sulfonate and 0.1-0.3 part of silane coupling agent into a mixer, uniformly stirring, discharging and drying to obtain the modified fly ash.
5. A color-changeable ceiling board according to claim 4, wherein the activator is prepared from 20 to 30 parts of ethylene glycol, 10 to 20 parts of glycerol, 5 to 8 parts of stearic acid, and 2 to 5 parts of triethanolamine at 70 to 90 ℃.
6. A color-changeable ceiling tile according to claim 4, wherein said activator is formulated from 25 parts ethylene glycol, 15 parts glycerol, 6 parts stearic acid, 4 parts triethanolamine at 85 ℃.
7. A color-changeable ceiling tile according to claim 4, wherein the sodium hydroxide is present in a concentration of 4 to 10% by mass.
8. A variable color ceiling tile as set forth in claim 4, wherein said silane coupling agent is KH 550.
9. A variable color ceiling tile as set forth in claim 1, wherein said flame retardant is magnesium hydroxide.
10. A method of making a color-changeable ceiling tile according to any one of claims 1 to 9, comprising the steps of:
s11, adding kaolin, allochroic silica gel, expanded perlite, modified fly ash, bentonite, talcum powder, borax, sodium lignosulphonate, a flame retardant and deionized water into a stirrer, and uniformly stirring;
s12, adding phosphogypsum, and uniformly stirring to obtain slurry;
and S13, pouring the slurry into a mold, and demolding after 60-100 min to obtain the high-strength sound-absorbing ceiling.
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| CN202110068318.3A CN112608120B (en) | 2021-01-19 | 2021-01-19 | Ceiling capable of changing color and preparation method thereof |
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| CN202110068318.3A CN112608120B (en) | 2021-01-19 | 2021-01-19 | Ceiling capable of changing color and preparation method thereof |
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| CN112608120B CN112608120B (en) | 2022-06-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264750A (en) * | 2021-07-01 | 2021-08-17 | 广东德臻消防机电工程有限公司 | Fireproof plugging material and preparation method thereof |
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2021
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