CN112500107A - Gypsum mortar containing vitrified micro bubbles - Google Patents
Gypsum mortar containing vitrified micro bubbles Download PDFInfo
- Publication number
- CN112500107A CN112500107A CN202011407512.1A CN202011407512A CN112500107A CN 112500107 A CN112500107 A CN 112500107A CN 202011407512 A CN202011407512 A CN 202011407512A CN 112500107 A CN112500107 A CN 112500107A
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- Prior art keywords
- parts
- water
- gypsum
- mortar containing
- retarder
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—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 a flue gas desulfurization product
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/22—Glass ; Devitrified glass
- C04B14/24—Glass ; Devitrified glass porous, e.g. foamed glass
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a gypsum mortar containing vitrified micro bubbles, which comprises the following components: gypsum powder, sand, vitrified micro bubbles, cement, silicon dioxide, a water repellent, rubber powder, cellulose, a retarder and a water-retaining agent; the specific formula is prepared from the following raw materials in parts by weight: 60-70 parts of gypsum powder, 50-60 parts of sand, 20-30 parts of vitrified micro bubbles, 7-9 parts of cement, 3-5 parts of silicon dioxide, 1-2 parts of water repellent, 1-2 parts of rubber powder, 0.2-0.6 part of cellulose, 2-4 parts of retarder, 2-5 parts of water-retaining agent and 0.7-2 parts of water reducing agent. The invention adds the vitrified micro bubbles, improves the heat preservation and insulation performance of the gypsum mortar, reduces noise transmission, increases the sound insulation effect, has proper slurry condensation time, large fluidity and good water retention rate; after the chemical reaction and the physical action of the silicon dioxide and the water repellent, the strength and the water resistance of the gypsum mortar are improved.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to gypsum mortar containing vitrified micro bubbles.
Background
Mortar is a bonding substance used for building bricks on buildings, and is formed by adding water into sand and cementing materials (cement, lime paste, clay and the like) according to a certain proportion, also called mortar and also used as mortar, wherein the mortar is commonly used as cement mortar, mixed mortar (or cement stone mortar), lime mortar and clay mortar, and is formed by mixing inorganic cementing materials with fine aggregates and water according to a certain proportion, also called mortar royal jelly. The mortar is used for masonry and plastering engineering and can be divided into masonry mortar and plastering mortar, wherein the masonry mortar is used for masonry of bricks, stones, building blocks and the like and installation of members; the latter is used for plastering the surfaces of wall surfaces, ground surfaces, roof surfaces, beam-column structures and the like so as to meet the requirements of protection, decoration and the like. In the common mortar material, gypsum, lime paste or clay is mixed with fibrous reinforcing material and water to prepare paste, which is called as ash, paste, mud or cement gum. The building mortar and concrete are characterized by containing no coarse aggregate and being prepared from a cementing material, fine aggregate and water according to a certain proportion. The mortar is divided into masonry mortar and plastering mortar according to the application, and is divided into cement mortar, lime mortar, gypsum mortar, cement and lime mixed mortar and the like according to different materials. Most of the existing gypsum mortar is not water-resistant and has larger limitation when in use.
Disclosure of Invention
The present invention is to provide a gypsum mortar containing vitrified beads to solve the above-mentioned problems in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme that the gypsum mortar containing vitrified micro bubbles comprises: gypsum powder, sand, vitrified micro bubbles, cement, silicon dioxide, a water repellent, rubber powder, cellulose, a retarder and a water-retaining agent; the specific formula is prepared from the following raw materials in parts by weight: 60-70 parts of gypsum powder, 50-60 parts of sand, 20-30 parts of vitrified micro bubbles, 7-9 parts of cement, 3-5 parts of silicon dioxide, 1-2 parts of water repellent, 1-2 parts of rubber powder, 0.2-0.6 part of cellulose, 2-4 parts of retarder, 2-5 parts of water-retaining agent and 0.7-2 parts of water reducing agent.
Preferably, the gypsum mortar containing the vitrified micro bubbles is prepared from the following raw materials in parts by weight: 65 parts of gypsum powder, 55 parts of sand, 25 parts of vitrified micro bubbles, 8 parts of cement, 4 parts of silicon dioxide, 2 parts of water repellent, 1.5 parts of rubber powder, 0.4 part of cellulose, 3 parts of retarder, 4 parts of water-retaining agent and 1.5 parts of water-reducing agent.
Preferably, the gypsum powder is obtained by drying, calcining and ball milling desulfurized gypsum.
Preferably, the rubber powder adopts polyvinyl alcohol.
Preferably, the water retaining agent is methyl cellulose ether, bentonite or a mixture of methyl cellulose ether and bentonite in a mass ratio of 1: 15.
Preferably, the water reducing agent is one or two of lignosulfonate water reducing agents, naphthalene high-efficiency water reducing agents and melamine high-efficiency water reducing agents.
Preferably, the retarder adopts an metamorphic protein high-efficiency retarder.
Preferably, the sand is dried sand.
Preferably, the cellulose is a macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Compared with the prior art, the invention has the following advantages: the invention adds the vitrified micro bubbles, improves the heat preservation and insulation performance of the gypsum mortar, reduces noise transmission, increases the sound insulation effect, has proper slurry condensation time, large fluidity and good water retention rate; after the chemical reaction and the physical action of the silicon dioxide and the water repellent, the strength and the water resistance of the gypsum mortar are improved.
Detailed Description
In order to make the technical means, the creation features, the work flow and the using method of the present invention easily understand and understand the purpose and the efficacy, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A glazed hollow bead containing gypsum mortar comprising: gypsum powder, sand, vitrified micro bubbles, cement, silicon dioxide, a water repellent, rubber powder, cellulose, a retarder and a water-retaining agent; the specific formula is prepared from the following raw materials in parts by weight: 60 parts of gypsum powder, 50 parts of sand, 20 parts of vitrified micro bubbles, 7 parts of cement, 3 parts of silicon dioxide, 1 part of water repellent, 1 part of rubber powder, 0.2 part of cellulose, 2 parts of retarder, 2 parts of water-retaining agent and 0.7 part of water reducing agent.
The specific production method comprises the following steps: weighing 60 parts of gypsum powder, 50 parts of sand, 20 parts of vitrified micro bubbles, 7 parts of cement, 3 parts of silicon dioxide, 1 part of water repellent, 1 part of rubber powder, 0.2 part of cellulose, 2 parts of retarder, 2 parts of water-retaining agent and 0.7 part of water-reducing agent by weight, putting into a stirrer, stirring for 10-15 minutes, and uniformly stirring; and (3) leaking the stirred powder into a finished product bin, conveying the powder stored in the finished product bin to a discharge opening, metering by using a packaging machine, and packaging.
Preferably, the gypsum powder is obtained by drying, calcining and ball milling desulfurized gypsum.
Preferably, the rubber powder adopts polyvinyl alcohol.
Preferably, the water retaining agent is methyl cellulose ether, bentonite or a mixture of methyl cellulose ether and bentonite in a mass ratio of 1: 15.
Preferably, the water reducing agent is one or two of lignosulfonate water reducing agents, naphthalene high-efficiency water reducing agents and melamine high-efficiency water reducing agents.
Preferably, the retarder adopts an metamorphic protein high-efficiency retarder.
Preferably, the sand is dried sand.
Preferably, the cellulose is a macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Example 2
A glazed hollow bead containing gypsum mortar comprising: gypsum powder, sand, vitrified micro bubbles, cement, silicon dioxide, a water repellent, rubber powder, cellulose, a retarder and a water-retaining agent; the specific formula is prepared from the following raw materials in parts by weight: 70 parts of gypsum powder, 60 parts of sand, 30 parts of vitrified micro bubbles, 9 parts of cement, 5 parts of silicon dioxide, 2 parts of water repellent, 2 parts of rubber powder, 0.6 part of cellulose, 4 parts of retarder, 5 parts of water-retaining agent and 2 parts of water reducing agent.
The specific production method comprises the following steps: weighing 70 parts of gypsum powder, 60 parts of sand, 30 parts of vitrified micro bubbles, 9 parts of cement, 5 parts of silicon dioxide, 2 parts of water repellent, 2 parts of rubber powder, 0.6 part of cellulose, 4 parts of retarder, 5 parts of water-retaining agent and 2 parts of water-reducing agent by weight, putting the materials into a stirrer, stirring for 10-15 minutes, and uniformly stirring; and (3) leaking the stirred powder into a finished product bin, conveying the powder stored in the finished product bin to a discharge opening, metering by using a packaging machine, and packaging.
Preferably, the gypsum powder is obtained by drying, calcining and ball milling desulfurized gypsum.
Preferably, the rubber powder adopts polyvinyl alcohol.
Preferably, the water retaining agent is methyl cellulose ether, bentonite or a mixture of methyl cellulose ether and bentonite in a mass ratio of 1: 15.
Preferably, the water reducing agent is one or two of lignosulfonate water reducing agents, naphthalene high-efficiency water reducing agents and melamine high-efficiency water reducing agents.
Preferably, the retarder adopts an metamorphic protein high-efficiency retarder.
Preferably, the sand is dried sand.
Preferably, the cellulose is a macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Example 3
A glazed hollow bead containing gypsum mortar comprising: gypsum powder, sand, vitrified micro bubbles, cement, silicon dioxide, a water repellent, rubber powder, cellulose, a retarder and a water-retaining agent; the specific formula is prepared from the following raw materials in parts by weight: 65 parts of gypsum powder, 55 parts of sand, 25 parts of vitrified micro bubbles, 8 parts of cement, 4 parts of silicon dioxide, 2 parts of water repellent, 1.5 parts of rubber powder, 0.4 part of cellulose, 3 parts of retarder, 4 parts of water-retaining agent and 1.5 parts of water-reducing agent.
The specific production method comprises the following steps: weighing 65 parts of gypsum powder, 55 parts of sand, 25 parts of vitrified micro bubbles, 8 parts of cement, 4 parts of silicon dioxide, 2 parts of water repellent, 1.5 parts of rubber powder, 0.4 part of cellulose, 3 parts of retarder, 4 parts of water-retaining agent and 1.5 parts of water-reducing agent by weight, putting into a stirrer, stirring for 10-15 minutes, and uniformly stirring; and (3) leaking the stirred powder into a finished product bin, conveying the powder stored in the finished product bin to a discharge opening, metering by using a packaging machine, and packaging.
Preferably, the gypsum powder is obtained by drying, calcining and ball milling desulfurized gypsum.
Preferably, the rubber powder adopts polyvinyl alcohol.
Preferably, the water retaining agent is methyl cellulose ether, bentonite or a mixture of methyl cellulose ether and bentonite in a mass ratio of 1: 15.
Preferably, the water reducing agent is one or two of lignosulfonate water reducing agents, naphthalene high-efficiency water reducing agents and melamine high-efficiency water reducing agents.
Preferably, the retarder adopts an metamorphic protein high-efficiency retarder.
Preferably, the sand is dried sand.
Preferably, the cellulose is a macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A gypsum mortar containing vitrified micro bubbles is characterized in that: the method comprises the following steps: gypsum powder, sand, vitrified micro bubbles, cement, silicon dioxide, a water repellent, rubber powder, cellulose, a retarder and a water-retaining agent; the specific formula is prepared from the following raw materials in parts by weight: 60-70 parts of gypsum powder, 50-60 parts of sand, 20-30 parts of vitrified micro bubbles, 7-9 parts of cement, 3-5 parts of silicon dioxide, 1-2 parts of water repellent, 1-2 parts of rubber powder, 0.2-0.6 part of cellulose, 2-4 parts of retarder, 2-5 parts of water-retaining agent and 0.7-2 parts of water reducing agent.
2. The gypsum mortar containing vitrified small bubbles according to claim 1, characterized in that: the gypsum mortar containing the vitrified micro bubbles is prepared from the following raw materials in parts by weight: 65 parts of gypsum powder, 55 parts of sand, 25 parts of vitrified micro bubbles, 8 parts of cement, 4 parts of silicon dioxide, 2 parts of water repellent, 1.5 parts of rubber powder, 0.4 part of cellulose, 3 parts of retarder, 4 parts of water-retaining agent and 1.5 parts of water-reducing agent.
3. The gypsum mortar containing vitrified small bubbles according to claim 1, characterized in that: the gypsum powder is obtained by drying, calcining and ball milling desulfurized gypsum.
4. The gypsum mortar containing vitrified small bubbles according to claim 1, characterized in that: the rubber powder adopts polyvinyl alcohol.
5. The gypsum mortar containing vitrified small bubbles according to claim 1, characterized in that: the water-retaining agent is methyl cellulose ether, bentonite or a mixture of methyl cellulose ether and bentonite according to a mass ratio of 1: 15.
6. The gypsum mortar containing vitrified small bubbles according to claim 1, characterized in that: the water reducing agent is one or two of lignosulfonate water reducing agents, naphthalene high-efficiency water reducing agents and melamine high-efficiency water reducing agents.
7. The gypsum mortar containing vitrified small bubbles according to claim 1, characterized in that: the retarder adopts an metamorphic protein high-efficiency retarder.
8. The gypsum mortar containing vitrified small bubbles according to claim 1, characterized in that: the sand is dried sand.
9. The gypsum mortar containing vitrified small bubbles according to claim 1, characterized in that: the cellulose is macromolecular polysaccharide composed of glucose, and is insoluble in water and common organic solvents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011407512.1A CN112500107A (en) | 2020-12-04 | 2020-12-04 | Gypsum mortar containing vitrified micro bubbles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011407512.1A CN112500107A (en) | 2020-12-04 | 2020-12-04 | Gypsum mortar containing vitrified micro bubbles |
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| CN112500107A true CN112500107A (en) | 2021-03-16 |
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| CN202011407512.1A Pending CN112500107A (en) | 2020-12-04 | 2020-12-04 | Gypsum mortar containing vitrified micro bubbles |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432263A (en) * | 2011-09-30 | 2012-05-02 | 浙江每天建材科技有限公司 | Inner wall light thermal insulation mortar |
| CN106495637A (en) * | 2016-11-11 | 2017-03-15 | 上海宇培特种建材有限公司 | Environmentally-frieinorganic inorganic heat-insulation mortar |
| CN108395192A (en) * | 2018-03-09 | 2018-08-14 | 深圳摩盾环保新材料有限公司 | A kind of fire-type gypsum base sprayed on material and preparation method thereof |
| CN110937874A (en) * | 2019-12-19 | 2020-03-31 | 河南赛利特建筑材料有限公司 | Gypsum mortar with high water resistance and preparation method thereof |
| CN111777392A (en) * | 2020-06-23 | 2020-10-16 | 常州华光建材科技有限公司 | Preparation method of water-resistant gypsum mortar |
-
2020
- 2020-12-04 CN CN202011407512.1A patent/CN112500107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432263A (en) * | 2011-09-30 | 2012-05-02 | 浙江每天建材科技有限公司 | Inner wall light thermal insulation mortar |
| CN106495637A (en) * | 2016-11-11 | 2017-03-15 | 上海宇培特种建材有限公司 | Environmentally-frieinorganic inorganic heat-insulation mortar |
| CN108395192A (en) * | 2018-03-09 | 2018-08-14 | 深圳摩盾环保新材料有限公司 | A kind of fire-type gypsum base sprayed on material and preparation method thereof |
| CN110937874A (en) * | 2019-12-19 | 2020-03-31 | 河南赛利特建筑材料有限公司 | Gypsum mortar with high water resistance and preparation method thereof |
| CN111777392A (en) * | 2020-06-23 | 2020-10-16 | 常州华光建材科技有限公司 | Preparation method of water-resistant gypsum mortar |
Non-Patent Citations (5)
| Title |
|---|
| 吴东云等: "《土木工程材料》", 31 August 2014, 武汉：武汉理工大学出版社 * |
| 房志勇: "《装修装饰抹灰工基本技术》", 29 February 2000, 北京：金盾出版社 * |
| 杜红伟等: "《建筑材料》", 30 June 2016, 沈阳：东北大学出版社 * |
| 沈春林等: "《预拌砂浆的生产与施工》", 31 August 2015, 北京：中国建材工业出版社 * |
| 赵云龙等: "《石膏干混建材生产及应用技术》", 30 November 2016, 北京：中国建材工业出版社 * |
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Application publication date: 20210316 |
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