CN114773013A - Surface layer light plastering gypsum capable of replacing inner wall paint - Google Patents
Surface layer light plastering gypsum capable of replacing inner wall paint Download PDFInfo
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- CN114773013A CN114773013A CN202210354961.7A CN202210354961A CN114773013A CN 114773013 A CN114773013 A CN 114773013A CN 202210354961 A CN202210354961 A CN 202210354961A CN 114773013 A CN114773013 A CN 114773013A
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- gypsum
- plastering gypsum
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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
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
- C04B28/147—Calcium sulfate hemi-hydrate with a specific crystal form beta-hemihydrate
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a surface layer light plastering gypsum for replacing inner wall paint, which is prepared from the following raw materials in parts by mass: the base material of the light plastering gypsum comprises: 600 parts of beta gypsum, 400 parts of vitrified micro bubbles, 300 parts of heavy calcium powder and 50-100 parts of gypsum retarder; the filler of the light plastering gypsum comprises: 90-95 parts of gypsum and 60-70 parts of semi-hydrated gypsum; the auxiliary materials of the light plastering gypsum comprise: 15-20 parts of accelerator, 30-40 parts of water reducer, 10-15 parts of diatomite, 5-10 parts of retarder, 8-15 parts of anti-crack fiber, 10-20 parts of starch ether, 10-20 parts of defoamer and 5-10 parts of rubber powder; the light plastering gypsum comprises the following auxiliary agents: 80-90 parts of dispersing agent, 20-50 parts of fluorescent whitening agent, 30-40 parts of shell powder, 30-50 parts of calcium carbonate and 10-15 parts of zinc silicate powder, and the coating has the advantages of corrosion resistance, weather resistance, strong alkali resistance, adaptability to different climatic changes, environmental protection, energy conservation, difficult ash falling after long-time coating on a wall body, purer color and wide application in indoor and outdoor wall bodies for decoration.
Description
Technical Field
The invention belongs to the field of building interior wall paint, and particularly relates to a surface layer light plastering gypsum for replacing interior wall paint.
Background
The light plastering gypsum is also called light plastering gypsum, is a novel, efficient and energy-saving plastering material for building interior walls and roofs, replaces plastering materials such as cement, lime mortar and the like, is suitable for various walls, overcomes the defects of the traditional plastering material, and has the following advantages and characteristics: the adhesive has strong adhesive force, can be adhered to any base material, is not limited by thickness, has good workability, fluidity and water retention property, can be constructed at low temperature (O ℃), is environment-friendly and odorless, has good crack resistance effect, and has good heat preservation and heat insulation effect and good sound insulation effect. The indoor dry temperature can be adjusted, the construction is convenient, the construction period is shortened, and the cost is saved.
The lightweight plastering gypsum is a novel plastering material which is prepared by using a building gypsum binder, using lightweight microspheres as an aggregate and adding various additives, but has the advantages of good environmental protection, good durability, economical price, capability of replacing cement mortar, cement strength, health, environmental protection and durability compared with cement, so the lightweight plastering gypsum is also suitable for civil and industrial building indoor concrete wall surface and aerated concrete wall surface engineering.
However, the existing light plastering gypsum is easy to cause the bottom layer gypsum to absorb water and damp, and particularly in humid climatic environments such as south and the like, the phenomena of moisture regain, yellowing and the like are easy to occur.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the surface layer light plastering gypsum for replacing the inner wall paint, which can effectively utilize gypsum materials to prepare bottom layer plastering gypsum and improve the hydration characteristic and the strength characteristic of the plastering gypsum.
In order to achieve the purpose, the invention provides the following technical scheme:
a surface layer light plastering gypsum for replacing interior wall paint is prepared from the following raw materials in parts by weight: the base material of the light plastering gypsum comprises: 600 parts of beta gypsum, 400 parts of vitrified micro bubbles, 300 parts of heavy calcium powder and 50-100 parts of a gypsum retarder;
the filler of the light plastering gypsum comprises: 90-95 parts of salt gypsum and 60-70 parts of semi-hydrated gypsum;
the auxiliary materials of the light plastering gypsum comprise: 15-20 parts of an accelerant, 30-40 parts of a water reducing agent, 10-15 parts of diatomite, 5-10 parts of a retarder, 8-15 parts of anti-crack fibers, 10-20 parts of starch ether, 10-20 parts of a defoaming agent and 5-10 parts of rubber powder;
the light plastering gypsum comprises the following auxiliary agents: 80-90 parts of dispersing agent, 20-50 parts of fluorescent whitening agent, 30-40 parts of shell powder, 30-50 parts of calcium carbonate and 10-15 parts of zinc silicate powder.
Preferably, the base material of the light plastering gypsum comprises the following components in parts by weight: 550 parts of beta gypsum, 350 parts of vitrified micro bubbles and 260 parts of heavy calcium carbonate powder.
Preferably, the filler of the light plastering gypsum comprises the following components in parts by weight: 92 parts of salt gypsum and 65 parts of semi-hydrated gypsum.
Preferably, the auxiliary agent of the light plastering gypsum comprises the following components in parts by weight: 85 parts of dispersing agent, 55 parts of calcium sulfate whisker, 30 parts of fluorescent whitening agent, 35 parts of shell powder, 36 parts of calcium carbonate and 11 parts of zinc silicate powder.
Preferably, the auxiliary materials of the light plastering gypsum comprise the following components in parts by weight: 15 parts of accelerator, 30 parts of water reducer, 10 parts of diatomite, 5 parts of retarder powder, 8 parts of anti-crack fiber, 10 parts of starch ether, 10 parts of defoaming agent and 5 parts of rubber powder.
Preferably, the defoaming agent is a polyether defoaming agent.
Preferably, the gypsum retarder is 70 parts, and comprises one or more of citric acid, sodium citrate, tartaric acid, potassium tartrate, acrylic acid and sodium acrylate.
Preferably, the water reducing agent comprises one or more of a naphthalene water reducing agent, an aliphatic water reducing agent, an amino water reducing agent and a polycarboxylic acid water reducing agent.
Preferably, the dispersant comprises one or more of fatty amine accelerator, amine accelerator and accelerator for anaerobic adhesive.
The invention has the technical effects and advantages that: compared with the prior art, the surface layer light plastering gypsum for replacing the interior wall paint provided by the invention adopts the beta gypsum and the vitrified micro bubbles as base materials in the production and preparation process, and compared with other gypsum powder, the beta gypsum powder has the characteristics of reproducibility, small granularity, stable components, less harmful impurity content, high purity and the like, is convenient to exploit, has large market reserve, and can reduce the cost when being used for preparing light plastering gypsum.
In the process of preparing the light plastering gypsum, by adding auxiliary materials and auxiliaries, the produced light plastering gypsum has the advantages of corrosion resistance, weather resistance and alkali resistance, can adapt to different climatic changes, is environment-friendly and energy-saving, does not cause harm to the environment and human bodies, is not easy to fall ash after long-time coating is coated on a wall body, has purer color, and can be widely applied to indoor and outdoor wall bodies for decoration.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.
Example 1
A surface layer light plastering gypsum for replacing interior wall paint is prepared from the following raw materials in parts by weight: the base material of the light plastering gypsum comprises: 600 parts of beta gypsum, 400 parts of vitrified micro bubbles, 300 parts of heavy calcium powder and 50-100 parts of gypsum retarder;
the filler of the light plastering gypsum comprises: 90-95 parts of salt gypsum and 60-70 parts of semi-hydrated gypsum;
the auxiliary materials of the light plastering gypsum comprise: 15-20 parts of accelerator, 30-40 parts of water reducer, 10-15 parts of diatomite, 5-10 parts of retarder powder, 8-15 parts of anti-crack fiber, 10-20 parts of starch ether, 10-20 parts of defoamer and 5-10 parts of rubber powder;
the light plastering gypsum comprises the following additives: 80-90 parts of dispersing agent, 20-50 parts of fluorescent whitening agent, 30-40 parts of shell powder, 30-50 parts of calcium carbonate and 10-15 parts of zinc silicate powder.
The base material of the light plastering gypsum comprises the following components in parts by weight: 550 parts of beta gypsum, 350 parts of vitrified micro bubbles and 260 parts of heavy calcium carbonate powder.
The filler of the light plastering gypsum comprises the following components in parts by weight: 92 parts of salt gypsum and 65 parts of semi-hydrated gypsum.
The light plastering gypsum comprises the following additives in parts by weight: 85 parts of a dispersing agent, 30 parts of a fluorescent whitening agent, 35 parts of shell powder, 36 parts of calcium carbonate and 11 parts of zinc silicate powder.
The auxiliary materials of the light plastering gypsum comprise the following components in parts by mass: 15 parts of accelerator, 30 parts of water reducer, 10 parts of diatomite, 5 parts of retarder powder, 8 parts of anti-crack fiber, 10 parts of starch ether, 10 parts of defoaming agent and 5 parts of rubber powder.
The defoaming agent is polyether defoaming agent.
70 portions of gypsum retarder, which comprises one or more of citric acid, sodium citrate, tartaric acid, potassium tartrate, acrylic acid and sodium acrylate.
The water reducing agent comprises one or more of a naphthalene water reducing agent, an aliphatic water reducing agent, an amino water reducing agent and a polycarboxylic acid water reducing agent.
The dispersant comprises one or more of fatty amine accelerator, amine accelerator and accelerator for anaerobic adhesive.
The invention relates to a surface layer light plastering gypsum for replacing inner wall paint, which comprises the following steps:
s1, preparing materials, namely weighing the materials for later use according to the formula of the light plastering gypsum of the surface layer by mass;
s2, stirring the base materials, namely putting the weighed base materials into a stirring tank one by one, stirring at a medium speed, and stirring at three gears of low speed, medium speed and high speed at intervals of 5 minutes when the gears are switched, wherein the stirring time is 30 minutes;
s3, adding the filler, stirring the base material at a high speed for 30 minutes, putting the weighed filler materials into the stirring tank one by one, and stirring again for not less than 40 minutes;
s4, adding auxiliary materials, stirring the base materials and the fillers for 45 minutes, blending at a low speed, placing the weighed auxiliary materials into a stirring tank one by one, stirring at a low speed for 5 minutes, then stirring at a medium speed for 10 minutes, stirring at a high speed for not less than 30 minutes,
s5, adding the auxiliary agents, and after the base materials, the fillers and the auxiliary materials are stirred, putting the weighed auxiliary agents into a stirring tank one by one, stirring for 25 minutes, observing whether the light plastering gypsum has bubbles or not, if the light plastering gypsum also has bubbles, adjusting to a medium speed and stirring until no bubbles exist, and completing the preparation when the light plastering gypsum does not have bubbles.
Wherein, the agitator tank sets up to have the agitator tank of heating function.
Example 2
Different from the embodiment 1, the base material of the light plastering gypsum comprises the following components in parts by weight: 570 parts of beta gypsum, 370 parts of vitrified micro bubbles and 280 parts of heavy calcium carbonate powder.
The filler of the light plastering gypsum comprises the following components in parts by weight: 94 parts of salt gypsum and 68 parts of semi-hydrated gypsum.
The light plastering gypsum comprises the following additives in parts by weight: 88 parts of dispersing agent, 40 parts of fluorescent whitening agent, 38 parts of shell powder, 45 parts of calcium carbonate and 13 parts of zinc silicate powder.
The auxiliary materials of the light plastering gypsum comprise: 17 parts of accelerator, 35 parts of water reducer, 12 parts of diatomite, 7 parts of retarder powder, 10 parts of anti-crack fiber, 15 parts of starch ether, 15 parts of defoamer and 8 parts of rubber powder.
Example 3
Different from the embodiment 1, the base material of the light plastering gypsum comprises the following components in parts by weight: 600 parts of beta gypsum, 400 parts of vitrified micro bubbles and 300 parts of heavy calcium powder.
The filler of the light plastering gypsum comprises the following components in parts by weight: 95 parts of salt gypsum and 70 parts of semi-hydrated gypsum.
The light plastering gypsum comprises the following additives in parts by weight: 90 parts of dispersing agent, 50 parts of fluorescent whitening agent, 40 parts of shell powder, 50 parts of calcium carbonate and 15 parts of zinc silicate powder.
The auxiliary materials of the light plastering gypsum comprise: 20 parts of accelerator, 40 parts of water reducing agent, 15 parts of diatomite, 10 parts of retarder powder, 15 parts of anti-crack fiber, 20 parts of starch ether, 20 parts of defoaming agent and 10 parts of rubber powder.
The specific formulation data for three sets of examples of the invention are given in the following table:
| example 1 | Example 2 | Example 3 | |
| Beta gypsum | 550 portions of | 570 portions of | 600 portions of |
| Vitrified micro bubbles | 350 parts of | 370 portions of | 400 portions of |
| Heavy calcium powder | 260 portions of | 280 parts of | 300 portions of |
| Salt gypsum | 92 portions of | 94 parts of | 95 parts of |
| Semi-hydrated gypsum | 65 portions of | 68 portions of | 70 portions of |
| Dispersing agent | 85 portions of | 88 portions of | 90 portions of |
| Fluorescent whitening agent | 30 portions of | 40 portions of | 50 portions of |
| Shell powder | 35 portions of | 38 portions of | 40 portions of |
| Calcium carbonate | 36 portions of | 45 portions of | 50 portions of |
| Zinc silicate powder | 11 portions of | 13 portions of | 15 portions of |
| Accelerator | 15 portions of | 17 portions of | 20 portions of |
| Water reducing agent | 30 portions of | 35 portions of | 40 portions of |
| Diatomite | 10 portions of | 12 portions of | 15 portions of |
| Retarder | 5 portions of | 7 portions of | 10 portions of |
| Crack resistant fiber | 8 portions of | 10 portions of | 15 portions of |
| Starch ethers | 10 portions of | 15 portions of | 20 portions of |
| Defoaming agent | 10 portions of | 15 portions of | 20 portions of |
| Rubber powder | 5 portions of | 8 portions of | 10 portions of |
In conclusion, the invention adopts the beta gypsum and the vitrified micro bubbles as the base materials, and the salt gypsum and the semi-hydrated gypsum are matched for mixing to prepare the gypsum, and in the preparation process, the auxiliary agents and the auxiliary materials are added into the base materials and the auxiliary materials, so that the produced light plastering gypsum has the advantages of corrosion resistance, weather resistance, alkali resistance, adaptability to different climatic changes, environmental protection, energy saving, no harm to the environment and human body, difficult ash falling after long-time coating is carried out on a wall body, and purer color, and can be widely applied to indoor and outdoor wall bodies for decoration.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A surface course light plastering gypsum for replacing interior wall paint is characterized by comprising the following raw materials in parts by mass: the base material of the light plastering gypsum comprises: 600 parts of beta gypsum, 400 parts of vitrified micro bubbles, 300 parts of heavy calcium powder and 50-100 parts of gypsum retarder;
the filler of the light plastering gypsum comprises: 90-95 parts of salt gypsum and 60-70 parts of semi-hydrated gypsum;
the auxiliary materials of the light plastering gypsum comprise: 15-20 parts of accelerator, 30-40 parts of water reducer, 10-15 parts of diatomite, 5-10 parts of retarder powder, 8-15 parts of anti-crack fiber, 10-20 parts of starch ether, 10-20 parts of defoamer and 5-10 parts of rubber powder;
the light plastering gypsum comprises the following additives: 80-90 parts of dispersing agent, 20-50 parts of fluorescent whitening agent, 30-40 parts of shell powder, 30-50 parts of calcium carbonate and 10-15 parts of zinc silicate powder.
2. The finishing layer light weight plastering gypsum for replacing inner wall paint according to claim 1, wherein: the base material of the light plastering gypsum comprises the following components in parts by weight: 550 parts of beta gypsum, 350 parts of vitrified micro bubbles and 260 parts of heavy calcium carbonate powder.
3. The finishing layer light-weight plastering gypsum for replacing inner wall paint as claimed in claim 1, wherein: the filler of the light plastering gypsum comprises the following components in parts by weight: 92 parts of salt gypsum and 65 parts of semi-hydrated gypsum.
4. The finishing layer light-weight plastering gypsum for replacing inner wall paint as claimed in claim 1, wherein: the light plastering gypsum comprises the following additives in parts by weight: 85 parts of a dispersing agent, 30 parts of a fluorescent whitening agent, 35 parts of shell powder, 36 parts of calcium carbonate and 11 parts of zinc silicate powder.
5. The finishing layer light weight plastering gypsum for replacing inner wall paint according to claim 1, wherein: the auxiliary materials of the light plastering gypsum comprise: 15 parts of accelerator, 30 parts of water reducer, 10 parts of diatomite, 5 parts of retarder powder, 8 parts of anti-crack fiber, 10 parts of starch ether, 10 parts of defoaming agent and 5 parts of rubber powder.
6. The finishing layer light weight plastering gypsum for replacing inner wall paint according to claim 1, wherein: the defoaming agent is a polyether defoaming agent.
7. The finishing layer light weight plastering gypsum for replacing inner wall paint according to claim 1, wherein: the gypsum retarder is 70 parts, and comprises one or more of citric acid, sodium citrate, tartaric acid, potassium tartrate, acrylic acid and sodium acrylate.
8. The finishing layer light weight plastering gypsum for replacing inner wall paint according to claim 1, wherein: the water reducing agent comprises one or more of a naphthalene water reducing agent, an aliphatic water reducing agent, an amino water reducing agent and a polycarboxylic acid water reducing agent.
9. The finishing layer light-weight plastering gypsum for replacing inner wall paint as claimed in claim 1, wherein: the dispersant comprises one or more of fatty amine accelerator, amine accelerator and accelerator for anaerobic adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354961.7A CN114773013A (en) | 2022-04-06 | 2022-04-06 | Surface layer light plastering gypsum capable of replacing inner wall paint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354961.7A CN114773013A (en) | 2022-04-06 | 2022-04-06 | Surface layer light plastering gypsum capable of replacing inner wall paint |
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| CN114773013A true CN114773013A (en) | 2022-07-22 |
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|---|---|---|---|
| CN202210354961.7A Pending CN114773013A (en) | 2022-04-06 | 2022-04-06 | Surface layer light plastering gypsum capable of replacing inner wall paint |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130354A (en) * | 2015-07-13 | 2015-12-09 | 美巢集团股份公司 | Plastering gypsum and preparation method thereof |
| CN111233423A (en) * | 2020-03-16 | 2020-06-05 | 浙江古思建筑科技有限公司 | Lightweight plastering gypsum and using method thereof |
| CN114031358A (en) * | 2021-11-19 | 2022-02-11 | 百色市志盛新型材料科技有限公司 | Gypsum-based thermal insulation mortar and preparation method thereof |
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2022
- 2022-04-06 CN CN202210354961.7A patent/CN114773013A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130354A (en) * | 2015-07-13 | 2015-12-09 | 美巢集团股份公司 | Plastering gypsum and preparation method thereof |
| CN111233423A (en) * | 2020-03-16 | 2020-06-05 | 浙江古思建筑科技有限公司 | Lightweight plastering gypsum and using method thereof |
| CN114031358A (en) * | 2021-11-19 | 2022-02-11 | 百色市志盛新型材料科技有限公司 | Gypsum-based thermal insulation mortar and preparation method thereof |
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Application publication date: 20220722 |