CN114988759A - Diatomite functional material and preparation method thereof - Google Patents
Diatomite functional material and preparation method thereof Download PDFInfo
- Publication number
- CN114988759A CN114988759A CN202210746230.7A CN202210746230A CN114988759A CN 114988759 A CN114988759 A CN 114988759A CN 202210746230 A CN202210746230 A CN 202210746230A CN 114988759 A CN114988759 A CN 114988759A
- Authority
- CN
- China
- Prior art keywords
- parts
- diatomite
- functional material
- acrylic acid
- maleic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/06—Acrylates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention provides a diatomite functional material and a preparation method thereof, belonging to the technical field of diatomite materials. The functional material comprises the following components in parts by weight: 100 parts of diatomite, 20-60 parts of acrylic acid-maleic acid copolymer, 10-20 parts of silicon oxide, 5-15 parts of aluminum oxide and 5-10 parts of aluminum phosphate. The functional material can be formed within 4-10 minutes and cured into a product within 12-24 hours, the diatomite functional material with the thickness of 1-10 mm can be formed at the thinnest, the maximum compression strength can reach 20MPa, and the minimum filtration precision can reach 0.01 micron.
Description
Technical Field
The invention belongs to the technical field of diatomite materials, and particularly relates to a diatomite functional material and a preparation method thereof.
Background
Diatomaceous earth has been widely used throughout the world due to its unique natural microporous structure and reliable safety. The existing diatomite filter plate material or heat-insulating fireproof material is prepared by stirring, mixing, pressing and forming diatomite and adhesives (inorganic adhesives, organic adhesives, cement, water-based glue, clay and the like), and then calcining at high temperature and shaping. The manufacturing process is complex, the production period is long, and the manufacturing period is about 1 month after drying and calcining in the production process. High temperature calcination also requires a significant amount of energy consumption.
Disclosure of Invention
The invention aims to solve the problems that the existing diatomite functional material needs long drying time, high energy consumption of high-temperature calcination, long manufacturing period and low production efficiency in the processing process. The problem that a larger effective filtering area is difficult to form is solved, and the diatomite functional material and the preparation method thereof are provided.
The invention firstly provides a diatomite functional material which comprises the following components in parts by weight:
100 parts of diatomite, 20-60 parts of acrylic acid-maleic acid copolymer, 10-20 parts of silicon oxide, 5-15 parts of aluminum oxide and 5-10 parts of aluminum phosphate.
Preferably, the diatomite functional material comprises the following components in parts by weight:
100 parts of diatomite, 30-50 parts of acrylic acid-maleic acid copolymer, 10-15 parts of silicon oxide, 10-15 parts of aluminum oxide and 5-7 parts of aluminum phosphate.
Preferably, the diatomite functional material comprises the following components in parts by weight:
100 parts of diatomite, 40 parts of acrylic acid-maleic acid copolymer, 15 parts of silicon oxide, 10 parts of aluminum oxide and 7 parts of aluminum phosphate.
Preferably, SiO in the diatomite 2 The content is more than or equal to 80 percent, and the granularity is 1-100 microns.
Preferably, the diatomite is calcined diatomite or fluxing calcined diatomite.
The invention also provides a preparation method of the diatomite functional material, which comprises the following steps:
the method comprises the following steps: pulverizing and mixing the powdery raw materials according to a ratio by airflow, adding an acrylic acid-maleic acid copolymer, performing ball milling and mixing, and then putting the mixture into a mould for compression molding to obtain a molded body;
step two: curing and molding the molded body for 4-10min, and then standing for 12-24 h;
step three: and shaping the formed body after standing in the second step to obtain the diatomite functional material.
Preferably, the molding time of the second step is 7 min.
Preferably, the standing time of the second step is 18 h.
The invention has the advantages of
The invention provides a diatomite functional material and a preparation method thereof, wherein the material is prepared by mixing, molding, shaping and other processes of diatomite and acrylic acid-maleic acid copolymer, silicon oxide, aluminum oxide and aluminum phosphate. The material does not need high-temperature calcination in the preparation process, and overcomes the defects of complex production and processing technology, long manufacturing period, high energy consumption caused by high-temperature calcination in the production process and small filtration area of the unit volume of the inorganic filtration material in the prior art. The functional material can be formed within 4-10 minutes and cured into a product within 12-24 hours, and the thinnest diatomite functional material with the thickness of 1-10 mm can be formed. The maximum compressive strength can reach 20 MPa. The high minimum of filter fineness can reach 0.01 micron, because high porosity, so have fire prevention, heat preservation, natural environmental protection safety, give sound insulation and absorb sound, adjust air humidity, can be according to user's needs through the mould processing into various shapes, use through supporting filter and reach filter fineness height, difficult damaged, life cycle is long. The formed filter plate is thin and can reach 1mm, the flatness is good, the filter plate is not easy to deform, the filter area of unit volume is increased, and the filter flux is 20 times of that of the original filter ceramic. It can be widely used in the industries of various wines, condiment liquid filtration, water quality purification, pharmacy, syrup, petrochemical industry and the like. Various artistic models and patterns are printed and used for different scenes such as indoor background walls, living rooms, bedrooms, various museums, exhibition halls, office rooms, meeting rooms and music halls through mechanical or manual carving. The product can beautify the environment, and also has the functions of heat preservation, fire prevention, sound insulation, sound absorption, air temperature regulation, air purification and the like. The product reaches the food sanitation level standard and does not cause pollution and harm to the ambient air.
In addition, the invention has the advantages of less components, low cost, rich raw material sources, simple manufacturing process, convenient use, wide application range, large filtration flow, high precision, good effect, stable chemical property, high pressure resistance and corrosion resistance, capability of being cleaned and recycled, long service life and the like, and the prepared product SiO has the advantages of less components, low cost, rich raw material sources, high pressure resistance and corrosion resistance, and the like 2 The content is more than 60 percent, and the porosity is more than 50 percent.
Detailed Description
The present invention is further illustrated by reference to the following specific examples, in which the starting materials are all commercially available.
Example 1
A diatomaceous earth functional material, comprising:
100 parts of diatomite, 20 parts of acrylic acid-maleic acid copolymer, 10 parts of silicon oxide, 5 parts of aluminum oxide and 5 parts of aluminum phosphate.
A preparation method of a diatomite functional material comprises the following steps:
the method comprises the following steps: pulverizing and mixing the powdery raw materials according to a ratio by airflow, adding an acrylic acid-maleic acid copolymer, performing ball milling and mixing, and then putting the mixture into a mould for compression molding to obtain a molded body;
step two: curing and molding the molded body for 4min, and then standing for 12 h;
step three: and shaping the formed body after standing in the step two to obtain the diatomite functional material.
Example 1 preparation of the obtained diatomaceous earth functional material SiO 2 The content is 76%, the porosity is more than 70%, and the compressive strength is 5 MPa.
Example 2
A diatomaceous earth functional material, comprising:
100 parts of calcined diatomite, 40 parts of acrylic acid-maleic acid copolymer, 15 parts of silicon oxide, 15 parts of aluminum oxide and 7 parts of aluminum phosphate.
The calcined diatomite is prepared by subjecting diatomite to a water-soluble sedimentation method, and taking tiny particles (1-50 microns) of suspension on the diatomite.
A preparation method of a diatomite functional material comprises the following steps:
the method comprises the following steps: proportionally crushing and mixing the powdery raw materials through airflow, adding acrylic acid-maleic acid copolymer, performing ball milling and mixing, and then putting into a mould for compression molding to obtain a molded body;
step two: curing and molding the molded body for 4min, and then standing for 18 h;
step three: and shaping the formed body after standing in the step two to obtain the diatomite functional material.
Example 2 preparation of the obtained diatomaceous earth functional material SiO 2 The content is 65%, the porosity is more than 50%, and the compressive strength is 1 MPa. The diatomite is selected, so that the filter precision is high and can reach 0.01 micron.
Example 3
A diatomaceous earth functional material, comprising:
100 parts of fluxing calcined diatomite, 50 parts of acrylic acid-maleic acid copolymer, 15 parts of silicon oxide, 15 parts of aluminum oxide and 7 parts of aluminum phosphate.
A preparation method of a diatomite functional material comprises the following steps:
the method comprises the following steps: proportionally crushing and mixing the powdery raw materials through airflow, adding acrylic acid-maleic acid copolymer, performing ball milling and mixing, and then putting into a mould for compression molding to obtain a molded body;
step two: curing and molding the molded body for 4min, and then standing for 24 h;
step three: and shaping the formed body after standing in the step two to obtain the diatomite functional material.
Example 4 preparation of the obtained diatomaceous earth functional material SiO 2 The content is 61%, the porosity is more than 60%, and the compressive strength is 20 MPa.
Claims (8)
1. The diatomite functional material is characterized by comprising the following components in parts by weight:
100 parts of diatomite, 20-60 parts of acrylic acid-maleic acid copolymer, 10-20 parts of silicon oxide, 5-15 parts of aluminum oxide and 5-10 parts of aluminum phosphate.
2. The diatomite functional material according to claim 1, wherein the diatomite functional material comprises, in parts by weight:
100 parts of diatomite, 30-50 parts of acrylic acid-maleic acid copolymer, 10-15 parts of silicon oxide, 10-15 parts of aluminum oxide and 5-7 parts of aluminum phosphate.
3. The diatomite functional material according to claim 1, wherein the diatomite functional material comprises, in parts by weight:
100 parts of diatomite, 40 parts of acrylic acid-maleic acid copolymer, 15 parts of silicon oxide, 10 parts of aluminum oxide and 7 parts of aluminum phosphate.
4. According to claim1-3, wherein SiO in the diatomite is 2 The content is more than or equal to 80 percent, and the granularity is 1-100 microns.
5. The diatomite functional material according to any one of claims 1-3, wherein the diatomite is calcined diatomite or flux calcined diatomite.
6. The method for preparing the diatomite functional material according to claim 1, comprising the following steps:
the method comprises the following steps: pulverizing and mixing the powdery raw materials according to a ratio by airflow, adding an acrylic acid-maleic acid copolymer, performing ball milling and mixing, and then putting the mixture into a mould for compression molding to obtain a molded body;
step two: curing and molding the molded body for 4-10min, and then standing for 12-24 h;
step three: and shaping the formed body after standing in the step two to obtain the diatomite functional material.
7. The method for preparing a diatomite functional material according to claim 6, wherein the molding time of the second step is 7 min.
8. The method for preparing a diatomite functional material according to claim 6, wherein the standing time of the second step is 18 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210746230.7A CN114988759B (en) | 2022-06-29 | 2022-06-29 | Diatomite functional material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210746230.7A CN114988759B (en) | 2022-06-29 | 2022-06-29 | Diatomite functional material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114988759A true CN114988759A (en) | 2022-09-02 |
| CN114988759B CN114988759B (en) | 2023-05-05 |
Family
ID=83037977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210746230.7A Active CN114988759B (en) | 2022-06-29 | 2022-06-29 | Diatomite functional material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114988759B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046684A (en) * | 1989-04-24 | 1990-11-07 | 四平硅藻土过滤器材联合厂 | With diatomite is the microporous filtering ceramic of matrix |
| CN102239125A (en) * | 2008-09-26 | 2011-11-09 | 世界矿物公司 | Diatomaceous earth products containing reduced soluble metal levels, processes for reducing soluble metal levels in diatomaceous earth products, and methods of using the same |
| CN103951401A (en) * | 2014-04-08 | 2014-07-30 | 安徽省亚欧陶瓷有限责任公司 | Ceramic tile capable of producing magnetic force lines and preparation method thereof |
| CN106414346A (en) * | 2014-04-07 | 2017-02-15 | 英默里斯筛选矿物公司 | BOP water filter cartridge |
| CN110372412A (en) * | 2019-08-28 | 2019-10-25 | 邱连旺 | A kind of diatomite functional material and preparation method thereof |
-
2022
- 2022-06-29 CN CN202210746230.7A patent/CN114988759B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046684A (en) * | 1989-04-24 | 1990-11-07 | 四平硅藻土过滤器材联合厂 | With diatomite is the microporous filtering ceramic of matrix |
| CN102239125A (en) * | 2008-09-26 | 2011-11-09 | 世界矿物公司 | Diatomaceous earth products containing reduced soluble metal levels, processes for reducing soluble metal levels in diatomaceous earth products, and methods of using the same |
| CN106414346A (en) * | 2014-04-07 | 2017-02-15 | 英默里斯筛选矿物公司 | BOP water filter cartridge |
| CN103951401A (en) * | 2014-04-08 | 2014-07-30 | 安徽省亚欧陶瓷有限责任公司 | Ceramic tile capable of producing magnetic force lines and preparation method thereof |
| CN110372412A (en) * | 2019-08-28 | 2019-10-25 | 邱连旺 | A kind of diatomite functional material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114988759B (en) | 2023-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102633483B (en) | Composite material with self-regulating function and production method thereof | |
| CN104355667B (en) | A kind of bamboo-carbon fibre plasterboard and preparation method thereof | |
| CN106747162B (en) | A kind of diatom plate and its production technology with photo-catalysis function | |
| CN107021783B (en) | Preparation method of mesoporous ceramic | |
| CN111545078A (en) | Flat ceramic membrane and preparation method thereof | |
| CN107188503A (en) | A kind of environmental-friendly construction material and preparation method thereof | |
| CN103588434A (en) | Preparation method of environment-friendly and health-care type artificial stone board for interior home | |
| CN108530011B (en) | Silicon aerogel fireproof, waterproof and environment-friendly heat-preservation paste | |
| CN102850835A (en) | Putty powder capable of adsorbing foreign gas | |
| CN110372412A (en) | A kind of diatomite functional material and preparation method thereof | |
| CN105298009A (en) | Vermiculite and calcium silicate composite board capable of releasing negative oxygen ions and its production method | |
| CN108218335A (en) | A kind of building heat insulating exterior wall | |
| CN114988759A (en) | Diatomite functional material and preparation method thereof | |
| CN107382250A (en) | A kind of plasterboard for inducing anion and preparation method thereof | |
| CN110653895B (en) | Manufacturing method of negative oxygen ion ecological plate | |
| CN102442833B (en) | Preparation process and application of novel foam ceramic material | |
| CN111908941A (en) | Preparation method of attapulgite clay-based porous ceramic support | |
| CN107032680A (en) | A kind of preparation method of the building-block with absorption PM2.5 functions | |
| CN111116158A (en) | Composite powder of graphene-like and inorganic ecological material, composite ecological plate and preparation method | |
| CN103396079B (en) | Inorganic artificial marble, and preparation method and application thereof | |
| CN110002788A (en) | A kind of quartz of composite waste and preparation method thereof | |
| CN102320805A (en) | Acoustic panel and working method thereof with fire prevention and heat insulation function | |
| CN101434473A (en) | Light high-strength heat preservation humidity conditioning heat insulation product | |
| CN109516751B (en) | Silicon fiber board with formaldehyde decomposition function and preparation method thereof | |
| CN102050618A (en) | New use of toughened ceramic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |