CN111018465A - Preparation method of heat insulation material expanded by phosphogypsum and product - Google Patents
Preparation method of heat insulation material expanded by phosphogypsum and product Download PDFInfo
- Publication number
- CN111018465A CN111018465A CN201911160956.7A CN201911160956A CN111018465A CN 111018465 A CN111018465 A CN 111018465A CN 201911160956 A CN201911160956 A CN 201911160956A CN 111018465 A CN111018465 A CN 111018465A
- Authority
- CN
- China
- Prior art keywords
- phosphogypsum
- mixture
- insulation material
- thermal insulation
- swelling agent
- 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.)
- Pending
Links
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims abstract description 62
- 239000012774 insulation material Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 50
- 230000008961 swelling Effects 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- WZUKKIPWIPZMAS-UHFFFAOYSA-K Ammonium alum Chemical compound [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O WZUKKIPWIPZMAS-UHFFFAOYSA-K 0.000 claims description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 4
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 4
- 235000011124 aluminium ammonium sulphate Nutrition 0.000 claims description 4
- 235000011126 aluminium potassium sulphate Nutrition 0.000 claims description 4
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 4
- 239000001099 ammonium carbonate Substances 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 235000001465 calcium Nutrition 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 235000010216 calcium carbonate Nutrition 0.000 claims description 4
- 235000016337 monopotassium tartrate Nutrition 0.000 claims description 4
- 229940050271 potassium alum Drugs 0.000 claims description 4
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 claims description 4
- KYKNRZGSIGMXFH-ZVGUSBNCSA-M potassium bitartrate Chemical compound [K+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O KYKNRZGSIGMXFH-ZVGUSBNCSA-M 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229940086065 potassium hydrogentartrate Drugs 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 229940081543 potassium bitartrate Drugs 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000002686 phosphate fertilizer Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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
- 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
-
- 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
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
Landscapes
- 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)
- Processing Of Solid Wastes (AREA)
Abstract
The embodiment of the invention discloses a preparation method of a thermal insulation material expanded by phosphogypsum and a product, wherein the preparation method of the thermal insulation material expanded by phosphogypsum comprises the following steps: grinding and crushing phosphogypsum, and adding water to prepare a mixture I; step two, adding anhydrous magnesium chloride into the mixture I to prepare a mixture II; thirdly, adding a swelling agent into the mixture II to prepare a mixture III; step four, adding light calcined powder into the mixture III to prepare a mixture IV; step five, adding a swelling agent into the mixture IV to prepare a mixture V; and step six, processing the finished product of the mixture V. The preparation method of the heat insulation material by using the expanded phosphogypsum provided by the invention gradually treats the harmful components of the phosphogypsum, changes waste into valuable, further solves the pollution problem of the phosphogypsum, changes waste into valuable and purifies the living environment.
Description
Technical Field
The invention relates to the field of building materials, in particular to a preparation method and a product of a thermal insulation material expanded by phosphogypsum.
Background
China is the first phosphate fertilizer producing country in the world, but the actual utilization rate of phosphogypsum is only 30%, the stockpiling amount is over 3 hundred million tons, the stockpiling amount is 5000 million tons every year, and the newly increased occupied land area is over 4000 hectares. The stockpiling of a large amount of phosphogypsum not only occupies a large area of land, but also can bring environmental problems such as dust, underground water and soil pollution and disasters such as landslide, and becomes a great bottleneck restricting the development of the phosphate fertilizer industry, and how to comprehensively utilize the phosphogypsum is a problem to be urgently solved in China and even the world.
Disclosure of Invention
Therefore, the embodiment of the invention provides a preparation method of a thermal insulation material expanded by using phosphogypsum and a product, so as to fully utilize the phosphogypsum.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of the embodiments of the present invention, there is provided a method for preparing a thermal insulation material expanded by using phosphogypsum, comprising the following steps:
grinding and crushing phosphogypsum, adding water, mixing and uniformly stirring to prepare a mixture I for later use;
step two, adding anhydrous magnesium chloride into the mixture I, and stirring and reacting to obtain a mixture II;
thirdly, adding a swelling agent into the mixture II, and stirring and reacting to obtain a mixture III;
step four, adding light calcined powder into the mixture III, and stirring and reacting to obtain a mixture IV;
step five, adding a swelling agent into the mixture IV, and stirring to react to obtain a mixture V;
and step six, processing the finished product of the mixture V.
Further, in the first step, the phosphogypsum is ground and crushed to 100 meshes.
Further, in the step one, the mass ratio of the phosphogypsum to the water is 1: 0.8.
further, the mass ratio of the phosphogypsum to the anhydrous magnesium chloride added in the step two is 1: 0.082.
further, the mass ratio of the phosphogypsum to the swelling agent added in the third step is 1: 0.16.
further, the mass ratio of the phosphogypsum to the light calcined powder added in the fourth step is 1: 0.2.
further, the mass ratio of the phosphogypsum to the swelling agent added in the fourth step is 1: 0.12.
furthermore, the swelling agent comprises any one or the combination of more than two of sodium bicarbonate, ammonium bicarbonate, light calcium carbonate, potassium alum, ammonium alum, calcium hydrophosphate and potassium bitartrate.
According to a second aspect of embodiments of the present invention, there is provided an insulation material prepared by the preparation method.
The embodiment of the invention has the following advantages: the embodiment of the invention provides a preparation method of a thermal insulation material expanded by using phosphogypsum and a product, wherein the preparation method of the thermal insulation material expanded by using the phosphogypsum gradually treats harmful components of the phosphogypsum, changes waste into valuable, and the product has the advantages of heat preservation (extremely low heat conductivity coefficient), sound insulation, heat insulation, flame retardance (A1-grade fire prevention), portability and good combination degree with cement mortar and other mortar. The heat insulating material of the invention can be used as wall building materials, wall sound insulating materials, wall heat insulating materials, industrial pipeline heat insulating materials, industrial boiler heat insulating materials, refrigeration house heat insulating materials, movable board house core materials and the like, has wide application range and high utilization rate, can further solve the pollution problem of phosphogypsum, changes waste into valuable and purifies the living environment.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
It should be noted that unless otherwise specified, technical terms or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention pertains, and experimental materials in the following examples are commercially available unless otherwise specified, and the experimental methods described are general experimental methods unless otherwise specified.
In view of the deficiencies in the prior art, the inventor of the present invention has made extensive studies and extensive practices to propose the technical solution of the present invention, and further explains the technical solution, the implementation process and the principle thereof, etc.
One aspect of the embodiment of the invention provides a preparation method of a thermal insulation material expanded by phosphogypsum, which comprises the following steps:
grinding and crushing phosphogypsum, adding water, mixing and uniformly stirring to prepare a mixture I for later use;
step two, adding anhydrous magnesium chloride into the mixture I, and stirring and reacting to obtain a mixture II;
thirdly, adding a swelling agent into the mixture II, and stirring and reacting to obtain a mixture III;
step four, adding light calcined powder into the mixture III, and stirring and reacting to obtain a mixture IV;
step five, adding a swelling agent into the mixture IV, and stirring to react to obtain a mixture V;
and step six, processing the finished product of the mixture V.
Further, in the first step, the phosphogypsum is ground and crushed to 100 meshes.
Further, in the step one, the mass ratio of the phosphogypsum to the water is 1: 0.8.
further, the mass ratio of the phosphogypsum to the anhydrous magnesium chloride added in the step two is 1: 0.082.
further, the mass ratio of the phosphogypsum to the swelling agent added in the third step is 1: 0.16.
further, the mass ratio of the phosphogypsum to the light calcined powder added in the fourth step is 1: 0.2.
further, the mass ratio of the phosphogypsum to the swelling agent added in the fourth step is 1: 0.12.
furthermore, the swelling agent comprises any one or the combination of more than two of sodium bicarbonate, ammonium bicarbonate, light calcium carbonate, potassium alum, ammonium alum, calcium hydrophosphate and potassium bitartrate.
According to a second aspect of embodiments of the present invention, there is provided an insulation material prepared by the preparation method.
The embodiment of the invention has the following advantages: the embodiment of the invention provides a preparation method of a thermal insulation material expanded by using phosphogypsum and a product, wherein the preparation method of the thermal insulation material expanded by using the phosphogypsum gradually treats harmful components of the phosphogypsum, changes waste into valuable, and the product has the advantages of heat preservation (extremely low heat conductivity coefficient), sound insulation, heat insulation, flame retardance (A1-grade fire prevention), portability and good combination degree with cement mortar and other mortar. The thermal insulation material can be used as wall building materials, wall sound insulation materials, wall thermal insulation materials, industrial pipeline thermal insulation materials, industrial boiler thermal insulation materials, refrigeration house thermal insulation materials, movable board house core materials and the like, has wide application range and high utilization rate, and the preparation method of the thermal insulation material by using the phosphogypsum for swelling greatly improves the comprehensive utilization rate of the phosphogypsum, can further solve the pollution problem of the phosphogypsum, changes waste into valuable and purifies the living environment.
The technical solution of the present invention is further described in detail by the following examples. However, the examples are chosen only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
The embodiment provides a preparation method of a thermal insulation material by using phosphogypsum for bulking, which comprises the following steps:
grinding phosphogypsum to 100 meshes, and then adding water, wherein the mass ratio of the phosphogypsum to the water is 1: 0.8, mixing and uniformly stirring to prepare a mixture I for later use;
step two, adding anhydrous magnesium chloride into the mixture I, wherein the mass ratio of the phosphogypsum to the anhydrous magnesium chloride is 1: 0.082, after stirring for 10 minutes, carry on the first mixing reaction, make mixture II;
adding a swelling agent into the mixture II, wherein the mass ratio of the phosphogypsum to the swelling agent is 1: 0.16, stirring for 10 minutes, and then carrying out first expansion reaction to obtain a mixture III;
step four, adding light calcined powder into the mixture III, wherein the mass ratio of the phosphogypsum to the light calcined powder is 1: 0.2, stirring for 10 minutes, and then carrying out a second mixing reaction to obtain a mixture IV;
step five, adding a swelling agent into the mixture IV, wherein the mass ratio of the phosphogypsum to the swelling agent is 1: 0.12, stirring for 10 minutes, and carrying out a second mixing reaction to obtain a mixture V;
and step six, processing the finished product of the mixture V according to market requirements.
Furthermore, the swelling agent comprises any one or the combination of more than two of sodium bicarbonate, ammonium bicarbonate, light calcium carbonate, potassium alum, ammonium alum, calcium hydrophosphate and potassium bitartrate.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. A preparation method of a thermal insulation material expanded by phosphogypsum is characterized by comprising the following steps:
grinding and crushing phosphogypsum, adding water, mixing and uniformly stirring to prepare a mixture I for later use;
step two, adding anhydrous magnesium chloride into the mixture I, and stirring and reacting to obtain a mixture II;
thirdly, adding a swelling agent into the mixture II, and stirring and reacting to obtain a mixture III;
step four, adding light calcined powder into the mixture III, and stirring and reacting to obtain a mixture IV;
step five, adding a swelling agent into the mixture IV, and stirring to react to obtain a mixture V;
and step six, processing the finished product of the mixture V.
2. The method for preparing the thermal insulation material by expanding phosphogypsum according to claim 1, which is characterized in that: in the first step, the phosphogypsum is ground and crushed to 100 meshes.
3. The method for preparing the thermal insulation material by expanding phosphogypsum according to claim 1, which is characterized in that: in the first step, the mass ratio of the phosphogypsum to the water is 1: 0.8.
4. the method for preparing the thermal insulation material by expanding phosphogypsum according to claim 1, which is characterized in that: the mass ratio of the phosphogypsum to the anhydrous magnesium chloride added in the step two is 1: 0.082.
5. the method for preparing the thermal insulation material by expanding phosphogypsum according to claim 1, which is characterized in that: the mass ratio of the phosphogypsum to the swelling agent added in the third step is 1: 0.16.
6. the method for preparing the thermal insulation material by expanding phosphogypsum according to claim 1, which is characterized in that: the weight ratio of the phosphogypsum to the light calcined powder added in the fourth step is 1: 0.2.
7. the method for preparing the thermal insulation material by expanding phosphogypsum according to claim 1, which is characterized in that: the weight ratio of the phosphogypsum to the swelling agent added in the fourth step is 1: 0.12.
8. the method for preparing the thermal insulation material by expanding phosphogypsum according to claim 1, which is characterized in that: the swelling agent comprises any one or the combination of more than two of sodium bicarbonate, ammonium bicarbonate, light calcium carbonate, potassium alum, ammonium alum, calcium hydrophosphate and potassium hydrogen tartrate.
9. An insulating material produced by the production method according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160956.7A CN111018465A (en) | 2019-11-24 | 2019-11-24 | Preparation method of heat insulation material expanded by phosphogypsum and product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160956.7A CN111018465A (en) | 2019-11-24 | 2019-11-24 | Preparation method of heat insulation material expanded by phosphogypsum and product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111018465A true CN111018465A (en) | 2020-04-17 |
Family
ID=70203513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911160956.7A Pending CN111018465A (en) | 2019-11-24 | 2019-11-24 | Preparation method of heat insulation material expanded by phosphogypsum and product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111018465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149234A (en) * | 2021-10-20 | 2022-03-08 | 贵州开磷磷石膏综合利用有限公司 | High-strength waterproof plastering gypsum for kitchens and bathrooms and preparation method and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3108904A1 (en) * | 1980-03-14 | 1982-01-07 | Société Chimique des Charbonnages, 92080 Paris la Defense | Compositions for preparing cellular gypsum based on artificial gypsum |
| CN107445568A (en) * | 2017-07-07 | 2017-12-08 | 南通绿洲节能环保产品有限公司 | A kind of gypsum block and its preparation technology |
| CN108658562A (en) * | 2018-05-29 | 2018-10-16 | 威海南海碳材料科技研究院有限公司 | A kind of environmental protection graphite plasterboard and preparation method thereof |
| CN108793937A (en) * | 2017-04-27 | 2018-11-13 | 青海大学 | A kind of New Phosphorus gypsum building fireproof heat insulating air parcel and preparation method |
-
2019
- 2019-11-24 CN CN201911160956.7A patent/CN111018465A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3108904A1 (en) * | 1980-03-14 | 1982-01-07 | Société Chimique des Charbonnages, 92080 Paris la Defense | Compositions for preparing cellular gypsum based on artificial gypsum |
| CN108793937A (en) * | 2017-04-27 | 2018-11-13 | 青海大学 | A kind of New Phosphorus gypsum building fireproof heat insulating air parcel and preparation method |
| CN107445568A (en) * | 2017-07-07 | 2017-12-08 | 南通绿洲节能环保产品有限公司 | A kind of gypsum block and its preparation technology |
| CN108658562A (en) * | 2018-05-29 | 2018-10-16 | 威海南海碳材料科技研究院有限公司 | A kind of environmental protection graphite plasterboard and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149234A (en) * | 2021-10-20 | 2022-03-08 | 贵州开磷磷石膏综合利用有限公司 | High-strength waterproof plastering gypsum for kitchens and bathrooms and preparation method and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102775119B (en) | Method for producing building material by using polystyrene/cotton straw/gypsum | |
| CN104844263A (en) | Thermal insulation material | |
| CN102173675A (en) | Inorganic fireproof heat insulating plate and preparation method thereof | |
| CN105272095A (en) | Light fly-ash brick | |
| CN103588451A (en) | Phosphorus slag-phosphate tailing foam concrete block and making method thereof | |
| CN102838282A (en) | Method for preparing high-strength foam glass by utilizing red mud and waste glass | |
| CN103601445A (en) | Hollow glazed bead thermal-insulation mortar | |
| CN104163613B (en) | A kind of ardealite base thermal insulation mortar that contains glass bead | |
| CN104591562A (en) | Method for using solid waste to prepare regenerated building mortar | |
| CN104163612B (en) | A kind of ardealite base thermal insulation mortar that contains expanded perlite | |
| CN102659384A (en) | Double-foam pumping heat-preservation slurry and manufacturing method thereof | |
| CN111018465A (en) | Preparation method of heat insulation material expanded by phosphogypsum and product | |
| CN103979860A (en) | Waterproof lightweight partition plate and manufacturing method thereof | |
| CN102674726A (en) | Water-resistance and high-strength desulfurized gypsum powder | |
| CN103121825A (en) | Light insulating mortar produced by industrial byproduct gypsum through calcining-free technology and preparation method thereof | |
| KR20130013852A (en) | Expending admixture composite for cement mortar | |
| CN101811846B (en) | Polymer vitrified microsphere building heat-insulating mortar | |
| CN102795803A (en) | Composite modifier used in magnesium-chlorine cement and application thereof | |
| CN104402493B (en) | Non-evaporating heat insulation building block and preparation method thereof | |
| CN103664077A (en) | Polystyrene thermal insulation mortar with high waterproofness and preparation method of polystyrene thermal insulation mortar | |
| CN103232214A (en) | Mortar dry powder for building and plastering | |
| CN105731963A (en) | Fluorogypsum-base external wall thermal-insulation material and manufacturing method thereof | |
| CN102351560A (en) | Sound-absorption/insulation fireproof plate and preparation method thereof | |
| CN103342489B (en) | Desulfurization slag concrete admixture and its preparation method and concrete containing the admixture | |
| CN101648795A (en) | Light heat insulation construction material of solar energy phase transition heat accumulation |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |