CN113372044A - Green plate and preparation method thereof - Google Patents

Green plate and preparation method thereof Download PDF

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Publication number
CN113372044A
CN113372044A CN202110641087.0A CN202110641087A CN113372044A CN 113372044 A CN113372044 A CN 113372044A CN 202110641087 A CN202110641087 A CN 202110641087A CN 113372044 A CN113372044 A CN 113372044A
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parts
vermiculite
moo
heating
blocks
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赖逢青
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Beijing Indoor Taoyuan New Material Technology Co ltd
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Beijing Indoor Taoyuan New Material Technology Co ltd
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/045—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing sulfur, e.g. sulfates, thiosulfates, gypsum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • 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
    • C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/2038—Resistance against physical degradation
    • C04B2111/2061—Materials containing photocatalysts, e.g. TiO2, for avoiding staining by air pollutants or the like
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The invention discloses a green plate and a preparation method thereof, wherein the plate comprises the following raw materials in parts by weight: 10-20 parts of vermiculite, 25-40 parts of wood fiber, 6-12 parts of activated carbon, 5-15 parts of epoxy resin, 3-8 parts of quicklime and C3N4@MoO25-10 parts of binder, 3-6 parts of binder and a proper amount of water; the material is a combination of physical and chemical adsorption andthe photocatalytic degradation technology is characterized by that it is made up by using expanded vermiculite, active carbon, quicklime and C3N4@MoO2The air purifier mainly adsorbs pollutants such as degraded smoke, has good capabilities of purifying air and degrading organic matters, and also has a sound insulation function.

Description

Green plate and preparation method thereof
Technical Field
The invention relates to the technical field of sound insulation and noise reduction and inorganic nano catalysis, in particular to a green plate and a preparation method thereof.
Background
In the last decade, the popularity of electronic sports is high, and many electronic sports schools and electronic sports clubs are actively established and developed. People have changed the traditional impression that "gaming is equal to not being good at the business" and have gained increased acceptance of gaming. In recent years, electronic competition projects in China capture multiple champions in world leagues, so that the electronic competition industry develops rapidly and is recognized and expected by a plurality of non-practitioners. This makes the entertainment and living places such as the competitive electric hotels, the internet cafes and the like very popular, and also causes the audience groups of the internet cafes to become more and more huge. Meanwhile, the problem of the harsh environment of the internet bar is increasingly highlighted. With the gradual improvement of the social living standard, people pay more and more attention to the quality of life and the health of life. CN211597465U discloses a dalle with function of making an uproar falls in giving sound insulation, this panel is by two range upon range of base material boards of placing and set up the backing plate that the piece has the amortization sponge between the base material board, can greatly improve dalle's the effect of making an uproar falls in giving sound insulation, and the backing plate is favorable to fixed amortization sponge in the middle of setting up of base material board simultaneously to improve the stability of dalle structure. Nowadays, although many independent boxes are set up in internet cafes and partitions are also provided in public areas, noisy sound and smoke-turned smoke severely affect the player's environmental experience.
Disclosure of Invention
The invention mainly aims to solve the problems, aims to research environment-friendly sound insulation boards, and provides a board with the functions of sound insulation, noise reduction and air purification, wherein the board is prepared from vermiculite, wood fiber, activated carbon, epoxy resin, quicklime and C3N4@MoO2Binder and water.
Preferably, the plate comprises, by weight, 10-20 parts of vermiculite, 25-40 parts of wood fiber, 6-12 parts of activated carbon, 5-15 parts of epoxy resin, 3-8 parts of quicklime and C3N4@MoO25-10 parts of binder, 3-6 parts of adhesive and a proper amount of water.
Preferably, said C3N4@MoO2The size of the crystal is between 200 and 500 nm.
The invention also provides a preparation method of the green plate, which comprises the following steps:
(1) treatment of vermiculite: cleaning vermiculite, crushing the vermiculite by using a crusher, grinding and crushing vermiculite blocks by using a ball mill, putting the crushed vermiculite blocks into a ceramic crucible, calcining the crushed vermiculite blocks in a muffle furnace, cooling the crushed vermiculite blocks to room temperature, and grinding the product to obtain an expanded vermiculite material;
(2)C3N4@MoO2preparation of: mixing deionized water and ethanol according to the volume ratio of (2-4) to 1, adding melamine, heating and stirring for 0.5-3h, then transferring to an oil bath kettle at the temperature of 120-150 ℃, heating and evaporating to dryness, cooling to room temperature, scraping the product out, putting the product into a ceramic crucible, and calcining in a muffle furnace to obtain the compound C3N4A material; then the prepared C3N4Dispersing the material in absolute ethyl alcohol, ultrasonically dispersing for 3-5 times at 100kHz frequency in a water bath at 0-10 ℃, slowly adding 1-2mol/L ammonium molybdate solution under magnetic stirring, continuously stirring for 0.5-1h, transferring to a reaction kettle for hydrothermal reaction, filtering a product, and washing with deionized water to obtain C3N4@MoO2A material;
(3) preparing a plate material: mixing 10-20 parts of expanded vermiculite, 25-40 parts of wood fiber, 6-12 parts of activated carbon, 3-8 parts of quicklime, 3-6 parts of binder and a proper amount of deionized water, heating and stirring for 1-2 hours, adding the dried material into an extruder for extrusion, and performing extrusion molding on a melt through a die head after passing through a double-layer extrusion distributor; then brushing 5-10 parts of C3N4@MoO2And after the coating is uniformly coated, adding 5-15 parts of uncured epoxy resin, permeating into the prepared formed plate, and drying to obtain the green plate.
Preferably, the screening size of the vermiculite in the step (1) is 10-50 meshes.
Preferably, the calcination in step (2) is performed by raising the temperature to 500 ℃ and 650 ℃ at the speed of 2 ℃/min, and the calcination time is 3-8 h.
Preferably, C described in step (2)3N4The molar ratio of the ammonium molybdate to the ammonium molybdate is 1 (4-5).
Preferably, the hydrothermal temperature in the step (2) is heating for 12-24h in the temperature range of 150-.
Preferably, the step heating in the step (3) is heating at 120-150 ℃ for 1-3 h.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) vermiculite is a natural mineral substance with a unique layered structure, which is easily expanded by heat to increase its volume, so that it has good propertiesThe ion exchange property, the adsorption property and the chemical stability of the active carbon, the water-absorbing quicklime and the C with strong photodegradation capability have good adsorption effect3N4/MoO2Combining to produce a green plate.
(2) The research of the invention is carried out towards the idea of environmental protection and practicality, and the sound insulation and noise reduction material is combined with the green catalytic material to prepare the plate which can insulate sound and reduce noise, and can adsorb smoke and degrade pollutants. The method not only brings good experience environment for consumers, but also produces linkage effect and creates high-efficiency income for the Internet bar.
Detailed Description
To further clarify the disclosure, features and advantages of the present invention, reference will now be made to the following examples and to the accompanying drawings.
Example 1
A green plate and a preparation method thereof comprise the following specific steps:
(1) treatment of vermiculite: cleaning vermiculite, crushing the vermiculite by using a crusher, grinding and crushing vermiculite blocks by using a ball mill, putting the crushed vermiculite blocks into a ceramic crucible, calcining the crushed vermiculite blocks in a muffle furnace, cooling the crushed vermiculite blocks to room temperature, and grinding the product to obtain an expanded vermiculite material;
(2)C3N4@MoO2the preparation of (1): mixing deionized water and ethanol according to the volume ratio of 2:1, adding melamine, heating and stirring for 2h, then transferring to an oil bath kettle at 135 ℃, heating and evaporating to dryness, cooling to room temperature, scraping the product out, putting the product into a ceramic crucible, and calcining in a muffle furnace to obtain the compound C3N4A material; then the prepared C3N4Dispersing the material in absolute ethyl alcohol, ultrasonically dispersing for 5 times at 100kHz frequency in a water bath at 4 ℃, then slowly adding 2mol/L ammonium molybdate solution under magnetic stirring, continuously stirring for 0.5h, then transferring to a reaction kettle, carrying out hydrothermal reaction for 24h at 160 ℃, filtering the product, and washing with deionized water to obtain the product C3N4@MoO2A material;
(3) manufacture of sheet materialPreparing: mixing 20 parts of expanded vermiculite, 40 parts of wood fiber, 10 parts of activated carbon, 6 parts of quicklime, 4 parts of binder and a proper amount of deionized water, heating and stirring at 120 ℃ for 2 hours, adding the dried material into an extruder to extrude, and extruding and molding a melt through a die head after passing through a double-layer extrusion distributor; then brush 10 parts of C3N4@MoO2And after the coating is uniformly coated, adding 15 parts of uncured epoxy resin, permeating into the prepared formed plate, and drying to obtain the green plate.
Example 2
A green plate and a preparation method thereof comprise the following specific steps:
(1) treatment of vermiculite: cleaning vermiculite, crushing the vermiculite by using a crusher, grinding and crushing vermiculite blocks by using a ball mill, putting the crushed vermiculite blocks into a ceramic crucible, calcining the crushed vermiculite blocks in a muffle furnace, cooling the crushed vermiculite blocks to room temperature, and grinding the product to obtain an expanded vermiculite material;
(2)C3N4@MoO2the preparation of (1): mixing deionized water and ethanol according to the volume ratio of 2:1, adding melamine, heating and stirring for 2h, then transferring to an oil bath kettle at 135 ℃, heating and evaporating to dryness, cooling to room temperature, scraping the product out, putting the product into a ceramic crucible, and calcining in a muffle furnace to obtain the compound C3N4A material; then the prepared C3N4Dispersing the material in absolute ethyl alcohol, ultrasonically dispersing for 5 times at 100kHz frequency in a water bath at 4 ℃, then slowly adding 2mol/L ammonium molybdate solution under magnetic stirring, continuously stirring for 0.5h, then transferring to a reaction kettle, carrying out hydrothermal reaction for 24h at 160 ℃, filtering the product, and washing with deionized water to obtain the product C3N4@MoO2A material;
(3) preparing a plate material: mixing 15 parts of expanded vermiculite, 40 parts of wood fiber, 6 parts of activated carbon, 5 parts of quicklime, 4 parts of binder and a proper amount of deionized water, heating and stirring at 120 ℃ for 2 hours, adding the dried material into an extruder to extrude, and extruding and molding a melt through a die head after passing through a double-layer extrusion distributor; then brush 10 parts of C3N4@MoO2All applyingAfter mixing, 10 parts of uncured epoxy resin is added, and the mixture is permeated into the prepared formed plate and dried to obtain the green plate.
Example 3
A green plate and a preparation method thereof comprise the following specific steps:
(1) treatment of vermiculite: cleaning vermiculite, crushing the vermiculite by using a crusher, grinding and crushing vermiculite blocks by using a ball mill, putting the crushed vermiculite blocks into a ceramic crucible, calcining the crushed vermiculite blocks in a muffle furnace, cooling the crushed vermiculite blocks to room temperature, and grinding the product to obtain an expanded vermiculite material;
(2)C3N4@MoO2the preparation of (1): mixing deionized water and ethanol according to the volume ratio of 2:1, adding melamine, heating and stirring for 2h, then transferring to an oil bath kettle at 135 ℃, heating and evaporating to dryness, cooling to room temperature, scraping the product out, putting the product into a ceramic crucible, and calcining in a muffle furnace to obtain the compound C3N4A material; then the prepared C3N4Dispersing the material in absolute ethyl alcohol, ultrasonically dispersing for 5 times at 100kHz frequency in a water bath at 4 ℃, then slowly adding 2mol/L ammonium molybdate solution under magnetic stirring, continuously stirring for 0.5h, then transferring to a reaction kettle, carrying out hydrothermal reaction for 24h at 160 ℃, filtering the product, and washing with deionized water to obtain the product C3N4@MoO2A material;
(3) preparing a plate material: mixing 10 parts of expanded vermiculite, 30 parts of wood fiber, 10 parts of activated carbon, 3 parts of quicklime, 4 parts of binder and a proper amount of deionized water, heating and stirring at 120 ℃ for 2 hours, adding the dried material into an extruder to extrude, and extruding and molding a melt through a die head after passing through a double-layer extrusion distributor; then brush 10 parts of C3N4@MoO2And after the coating is uniformly coated, adding 10 parts of uncured epoxy resin, permeating into the prepared formed board, and drying to obtain the green board.
The board prepared by the invention is prepared from vermiculite, wood fiber, active carbon, epoxy resin, quicklime and C3N4@MoO2Is an important component, and has good ion exchange propertyAdsorptivity, photodegradability ability and chemical stability, it can give sound insulation and fall making an uproar and can adsorb flue gas, degradation pollutant again as the panel baffle in the internet bar, is favorable to building comfortable environment.

Claims (9)

1. The green board is characterized in that the sound insulation board is made of vermiculite, wood fiber, activated carbon, epoxy resin, quicklime and C3N4@MoO2Binder and water.
2. The green board is characterized by comprising the following materials in parts by weight: 10-20 parts of vermiculite, 25-40 parts of wood fiber, 6-12 parts of activated carbon, 5-15 parts of epoxy resin, 3-8 parts of quicklime and C3N4@MoO25-10 parts of binder, 3-6 parts of adhesive and a proper amount of water.
3. A green sheet as claimed in claim 1, wherein C is3N4@MoO2The size of (a) is between 200 and 500 nm.
4. The method of claim 1, wherein the method comprises the steps of:
(1) treatment of vermiculite: cleaning vermiculite, crushing the vermiculite by using a crusher, grinding and crushing vermiculite blocks by using a ball mill, putting the crushed vermiculite blocks into a ceramic crucible, calcining the crushed vermiculite blocks in a muffle furnace, cooling the crushed vermiculite blocks to room temperature, and grinding the product to obtain an expanded vermiculite material;
(2)C3N4@MoO2the preparation of (1): mixing deionized water and ethanol according to the volume ratio of (2-4) to 1, adding melamine, heating and stirring for 0.5-3h, transferring to an oil bath pot, heating and evaporating to dryness, cooling to room temperature, scraping the product out, placing into a ceramic crucible, and calcining in a muffle furnace to obtain the compound C3N4A material; then the prepared C3N4Dispersing the material in absolute ethyl alcohol, ultrasonic dispersing, centrifuging for 3-5 times,slowly adding 1-2mol/L ammonium molybdate solution under magnetic stirring, heating and stirring for 0.5h, transferring to a reaction kettle for hydrothermal reaction, filtering the product, and washing with deionized water to obtain C3N4@MoO2A material;
(3) preparing a plate material: mixing 10-20 parts of expanded vermiculite, 25-40 parts of wood fiber, 6-12 parts of activated carbon, 3-8 parts of quicklime, 3-6 parts of binder and a proper amount of deionized water, heating and stirring for 1-2 hours, adding the dried material into an extruder for extrusion, and performing extrusion molding on a melt through a die head after passing through a double-layer extrusion distributor; then brushing 5-10 parts of C3N4@MoO2And after the coating is uniformly coated, adding 5-15 parts of uncured epoxy resin, permeating into the prepared formed plate, and drying to obtain the green plate.
5. The method for preparing a green sheet according to claim 4, wherein the vermiculite in step (1) is sieved to have a size of 10-50 meshes.
6. The method as claimed in claim 4, wherein the calcination in step (2) is performed by heating to 500 ℃ and 650 ℃ at a rate of 2 ℃/min for 3-8 h.
7. The method for preparing green sheet according to claim 4, wherein step (2) is performed by step C3N4The molar ratio of the ammonium molybdate to the ammonium molybdate is 1 (4-5).
8. The method as claimed in claim 4, wherein the hydrothermal temperature in step (2) is 150-.
9. The method as claimed in claim 4, wherein the heating step (3) is not performed at 120-150 ℃ for 1-3 h.
CN202110641087.0A 2021-06-09 2021-06-09 Green plate and preparation method thereof Pending CN113372044A (en)

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CN107399992A (en) * 2017-08-01 2017-11-28 合肥欧仕嘉机电设备有限公司 A kind of wall insulating sheet materials and preparation method thereof
CN108355691A (en) * 2018-01-18 2018-08-03 南开大学 A kind of preparation method of oxidation-desulfurizing catalyst
CN108786881A (en) * 2018-09-06 2018-11-13 江苏大学 Visible light-responded molybdenum dioxide nanometer sheet/class graphene carbonitride catalysis material and its preparation method and application
CN110577379A (en) * 2018-06-13 2019-12-17 佛山市易于嘉农业科技有限公司 composite sound insulation board and production process thereof
CN111250136A (en) * 2020-02-19 2020-06-09 重庆致径路面材料有限公司 Composite photocatalyst, photocatalytic splice plate and preparation method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100053764A (en) * 2008-11-13 2010-05-24 손동일 Manufacturing method of natural fiber board
KR101440943B1 (en) * 2014-04-07 2014-09-17 박동원 Incombustible panel for interior decoration and facing of architectures and method thereof
CN107098673A (en) * 2017-06-08 2017-08-29 合肥峰腾节能科技有限公司 A kind of environment-friendly insulating material capable of purifying air and preparation method thereof
CN107216111A (en) * 2017-06-20 2017-09-29 合肥尚涵装饰工程有限公司 A kind of mineral wool sound absorption board and preparation method thereof
CN107399992A (en) * 2017-08-01 2017-11-28 合肥欧仕嘉机电设备有限公司 A kind of wall insulating sheet materials and preparation method thereof
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Application publication date: 20210910