CN113213875A - Floor composite type heat-preservation self-leveling mortar and preparation method thereof - Google Patents
Floor composite type heat-preservation self-leveling mortar and preparation method thereof Download PDFInfo
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- CN113213875A CN113213875A CN202110596130.6A CN202110596130A CN113213875A CN 113213875 A CN113213875 A CN 113213875A CN 202110596130 A CN202110596130 A CN 202110596130A CN 113213875 A CN113213875 A CN 113213875A
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 45
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 238000004321 preservation Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000006004 Quartz sand Substances 0.000 claims abstract description 52
- 239000000843 powder Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 21
- 239000004568 cement Substances 0.000 claims abstract description 18
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- 239000000725 suspension Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000011324 bead Substances 0.000 claims abstract description 11
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000001913 cellulose Substances 0.000 claims abstract description 11
- 229920002678 cellulose Polymers 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 239000004816 latex Substances 0.000 claims abstract description 11
- 229920000126 latex Polymers 0.000 claims abstract description 11
- 239000011325 microbead Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 10
- 229920005749 polyurethane resin Polymers 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 5
- 235000013539 calcium stearate Nutrition 0.000 claims description 5
- 239000008116 calcium stearate Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010453 quartz Substances 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
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the technical field of mortar processing, and particularly provides a floor composite type heat-preservation self-leveling mortar and a preparation method thereof, wherein the mortar is prepared from the following raw materials in parts by mass: 60-70 parts of phosphogypsum alpha powder, 4-6 parts of PO42.5 cement, 5-10 parts of quartz sand, 6-12 parts of high-strength vitrified micro-beads, 4-8 parts of floating beads, 5-8 parts of volcanic ash, 0.2-0.3 part of polycarboxylic acid water reducing agent, 0.1-0.2 part of low-viscosity cellulose, 1-3 parts of redispersible latex powder, 0.5-1 part of defoaming agent, 0.2-0.5 part of high-performance suspension stabilizer, 0.2-0.5 part of dispersing agent, and the water-cement ratio is less than or equal to 0.45. The mortar has high internal linkage complexity, obviously improves the heat preservation and noise reduction effects of the mortar, and can ensure the strength of the mortar.
Description
Technical Field
The invention relates to the technical field of thermal insulation mortar processing, in particular to a floor composite thermal insulation self-leveling mortar and a preparation method thereof.
Background
The annual discharge amount of industrial byproduct gypsum in China reaches over hundred million tons, most of the industrial byproduct gypsum is piled outside all the year round, a large amount of land is occupied, and the surrounding environment is polluted; moreover, quartz ores in China are relatively wide, high-quality ore sources are mainly distributed in the Tong of inner Mongolia autonomous region, Fengyang in Anhui province, Huanggang in Hubei province and Lingshou county in Hebei province, the yield is large, the quality is high, in addition, a small amount of quartz sand is distributed in Guangdong and Jiangxi, the cost is low, and a large amount of quartz sand is not fully utilized.
Therefore, it has become a task in the building material industry to fully utilize the raw materials such as gypsum and quartz sand with excellent quality and low price. With the improvement of living standard of people, air conditioners and floor heating are widely used indoors. The existing building heat-insulating material is mostly used for walls, so a great deal of heat is still transferred out through floors, energy consumption is increased, the existing ground heat-insulating material has weak cohesiveness, low strength, poor heat-insulating property, is easy to absorb moisture and expand, and is easy to shrink and deform after being dried, so that cracks can be generated, the cracks formed by moisture absorption and expansion of concrete and cement can cause the problems of uneven heating of the ground surface of geothermal heating, and the like; in addition, the thermal insulation mortar used in the prior art has insufficient deep modification of raw materials, so that the overall strength is low, the thermal insulation effect of the mortar raw materials is difficult to fully exert, and the use experience of the mortar in the noise reduction aspect is also limited.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the composite thermal insulation self-leveling mortar for the floor and the preparation method thereof, so as to improve the building structure of the mortar, strengthen the thermal insulation effect of the mortar and improve the use experience of the mortar building structure in the noise reduction aspect. The specific technical scheme is as follows:
the floor composite type heat-preservation self-leveling mortar is prepared from the following raw materials in parts by mass:
60-70 parts of phosphogypsum alpha powder, 4-6 parts of PO42.5 cement, 5-10 parts of quartz sand, 6-12 parts of high-strength vitrified micro-beads, 4-8 parts of floating beads, 5-8 parts of volcanic ash, 0.2-0.3 part of polycarboxylic acid water reducing agent, 0.1-0.2 part of low-viscosity cellulose, 1-3 parts of redispersible latex powder, 0.5-1 part of defoaming agent, 0.2-0.5 part of high-performance suspension stabilizer, 0.2-0.5 part of dispersing agent, and the water-cement ratio is less than or equal to 0.45.
Further, the quartz sand is surface modified gravel, and the manufacturing method comprises the following steps: mixing 13-15 parts by mass of quartz sand with the fineness of 30-50 meshes with 50-60 parts by mass of acid liquor, heating to 40-45 ℃, stirring at the speed of 20-30r/min for 20-30min, draining water from the quartz sand, and washing with clean water for 1-2 min; then heating the quartz sand to 400 ℃ of 300-.
Further, the content of silicon dioxide in the high-strength vitrified micro bubbles is 65-78%.
Further, the defoaming agent is polyether modified silicon.
Further, the high-performance suspension stabilizer is sodium metasilicate.
Further, the dispersing agent is water-based calcium stearate.
Further, the acid solution is a sulfuric acid solution with the mass fraction of 0.3-0.4%.
Further, the using amount of the polyurethane resin is 3-5% of the mass of the quartz sand.
Furthermore, the fineness of the high-strength vitrified micro bubbles is 70-90 meshes.
The invention relates to a floor composite type heat-preservation self-leveling mortar, which is prepared by the following steps: uniformly mixing phosphogypsum alpha powder, PO42.5 cement, a polycarboxylic acid water reducing agent, low-viscosity cellulose and redispersible latex powder according to the mass parts, and then sequentially adding quartz sand, high-strength vitrified micro-beads, floating beads, volcanic ash, a defoaming agent, a high-performance suspension stabilizer, a dispersing agent and the rest raw materials and stirring for 30-40 min.
Compared with the prior art, the invention has the technical effects that:
according to the invention, the sulfuric acid is used for treating the quartz sand, the acidity of the sulfuric acid is used for corroding the surface of the quartz sand, and meanwhile, the sulfate radicals are combined with calcium, magnesium and other ions for precipitation on the surface of the quartz sand, so that the roughness of the surface of the quartz sand can be obviously improved; and then, through high-temperature treatment, the loose part on the surface of the quartz sand is peeled off through heat treatment, so that the quartz sand is more stable, then polyurethane is sprayed on the surface, and the part which is not strongly fixedly connected with the polyurethane is crushed and taken out, so that the surface of the modified quartz sand has more organic molecular chains, cementation is strengthened in mortar condensation, and the linkage complexity in the mortar is improved. The heat preservation and noise reduction effects of the mortar are obviously improved, and the strength of the mortar can be ensured.
Detailed Description
The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of the claims is not limited to the description.
Example 1
The floor composite type heat-preservation self-leveling mortar is prepared from the following raw materials in parts by mass:
69 parts of phosphogypsum alpha powder, 4 parts of PO42.5 cement, 5 parts of quartz sand, 6 parts of high-strength vitrified micro bubbles, 4 parts of floating beads, 5 parts of volcanic ash, 0.2 part of polycarboxylic acid water reducing agent, 0.1 part of low-viscosity cellulose, 1 part of redispersible latex powder, 0.5 part of defoaming agent, 0.2 part of high-performance suspension stabilizer, 0.2 part of dispersing agent and 0.44 of water-cement ratio.
The quartz sand is surface modified gravel, and the manufacturing method comprises the following steps: mixing 13 parts by mass of quartz sand with the fineness of 30 meshes with 50 parts by mass of acid liquor, heating to 40 ℃, stirring at the speed of 20r/min for 20min, draining the water of the quartz sand, and washing for 1min by using clear water; then heating the quartz sand to 300 ℃, preserving heat for 30min, reducing the temperature to 120 ℃, spraying polyurethane resin on the surface of the quartz sand, stirring while spraying, and crushing the quartz sand into 80-mesh powder; the acid solution is a sulfuric acid solution with the mass fraction of 0.3%; the using amount of the polyurethane resin is 3% of the mass of the quartz sand; the fineness of the high-strength vitrified micro bubbles is 80 meshes; the silicon dioxide content of the high-strength vitrified micro bubbles is 65 percent; the defoaming agent is polyether modified silicon; the high-performance suspension stabilizer is sodium metasilicate; the dispersing agent is water-based calcium stearate;
the preparation method of the floor composite type heat-preservation self-leveling mortar comprises the following steps: uniformly mixing phosphogypsum alpha powder, PO42.5 cement, a polycarboxylic acid water reducing agent, low-viscosity cellulose and redispersible latex powder according to the mass parts, and then sequentially adding quartz sand, high-strength vitrified micro-beads, floating beads, volcanic ash, a defoaming agent, a high-performance suspension stabilizer, a dispersing agent and the rest raw materials and stirring for 30-40 min.
Example 2
The floor composite type heat-preservation self-leveling mortar is prepared from the following raw materials in parts by mass:
65 parts of phosphogypsum alpha powder, 6 parts of PO42.5 cement, 5 parts of quartz sand, 12 parts of high-strength vitrified micro bubbles, 8 parts of floating beads, 8 parts of volcanic ash, 0.3 part of polycarboxylic acid water reducing agent, 0.2 part of low-viscosity cellulose, 3 parts of redispersible latex powder, 1 part of defoaming agent, 0.5 part of high-performance suspension stabilizer, 0.5 part of dispersing agent and 0.45 of water-cement ratio.
The quartz sand is surface modified gravel, and the manufacturing method comprises the following steps: mixing 15 parts by mass of quartz sand with the fineness of 50 meshes with 60 parts by mass of acid liquor, heating to 45 ℃, stirring at the speed of 30r/min for 30min, draining the quartz sand, and washing with clear water for 2 min; then heating the quartz sand to 400 ℃, preserving heat for 40min, reducing the temperature to 130 ℃, spraying polyurethane resin on the surface of the quartz sand, stirring while spraying, and crushing the quartz sand into powder of 100 meshes; the acid solution is a sulfuric acid solution with the mass fraction of 0.4%; the using amount of the polyurethane resin is 5% of the mass of the quartz sand; the fineness of the high-strength vitrified micro bubbles is 90 meshes; the content of silicon dioxide in the high-strength vitrified micro bubbles is 78%; the defoaming agent is polyether modified silicon; the high-performance suspension stabilizer is sodium metasilicate; the dispersing agent is water-based calcium stearate;
the preparation method of the floor composite type heat-preservation self-leveling mortar comprises the following steps: uniformly mixing phosphogypsum alpha powder, PO42.5 cement, a polycarboxylic acid water reducing agent, low-viscosity cellulose and redispersible latex powder in parts by mass, and then sequentially adding quartz sand, high-strength vitrified micro-beads, floating beads, volcanic ash, a defoaming agent, a high-performance suspension stabilizer, a dispersing agent and the rest raw materials and stirring for 40 min.
Example 3
The floor composite type heat-preservation self-leveling mortar is prepared from the following raw materials in parts by mass:
67 parts of phosphogypsum alpha powder, 5 parts of PO42.5 cement, 10 parts of quartz sand, 9 parts of high-strength vitrified micro-beads, 7 parts of floating beads, 6 parts of volcanic ash, 0.23 part of polycarboxylic acid water reducing agent, 0.11 part of low-viscosity cellulose, 3 parts of redispersible latex powder, 0.65 part of defoaming agent, 0.31 part of high-performance suspension stabilizer, 0.32 part of dispersing agent and 0.45 of water-cement ratio.
The quartz sand is surface modified gravel, and the manufacturing method comprises the following steps: mixing 15 parts by mass of quartz sand with the fineness of 30 meshes with 60 parts by mass of acid liquor, heating to 40 ℃, stirring at the speed of 30r/min for 20min, draining the quartz sand, and washing with clean water for 2 min; then heating the quartz sand to 400 ℃, preserving heat for 30min, reducing the temperature to 130 ℃, spraying polyurethane resin on the surface of the quartz sand, stirring while spraying, and crushing the quartz sand into powder of 100 meshes; the acid solution is a sulfuric acid solution with the mass fraction of 0.4%; the using amount of the polyurethane resin is 3% of the mass of the quartz sand; the fineness of the high-strength vitrified micro bubbles is 70 meshes; the content of silicon dioxide in the high-strength vitrified micro bubbles is 78%; the defoaming agent is polyether modified silicon; the high-performance suspension stabilizer is sodium metasilicate; the dispersing agent is water-based calcium stearate;
the preparation method of the floor composite type heat-preservation self-leveling mortar comprises the following steps: uniformly mixing phosphogypsum alpha powder, PO42.5 cement, a polycarboxylic acid water reducing agent, low-viscosity cellulose and redispersible latex powder in parts by mass, and then sequentially adding quartz sand, high-strength vitrified micro-beads, floating beads, volcanic ash, a defoaming agent, a high-performance suspension stabilizer, a dispersing agent and the rest raw materials and stirring for 40 min.
Comparative example setup:
test example 1 Experimental examination of mortar of the invention
The mortar is prepared according to the examples 1 to 3 and the comparative examples 1 to 4 respectively, all groups of mortar are molded by referring to the cement mortar strength detection method, and are maintained indoors for 10 days at the temperature of 23 ℃ and the relative humidity of 58 percent, and the detection is as follows:
as can be seen from the table, the bonding strength of the mortar prepared according to the method of the invention in the examples 1-3 is higher than that of the mortar prepared according to the comparative examples 1-4, the particle bonding strength caused by quartz sand modification is high, so that the overall bonding strength is increased, more molecular bonding points are brought after modification, the molecular chain complexity in the mortar is improved, the thermal conductivity coefficient is reduced, and the sound insulation performance is improved. Obviously, the invention brings remarkable practical effect and has great practical value.
Claims (10)
1. The floor composite type heat-preservation self-leveling mortar is characterized by being prepared from the following raw materials in parts by mass:
60-70 parts of phosphogypsum alpha powder, 4-6 parts of PO42.5 cement, 5-10 parts of quartz sand, 6-12 parts of high-strength vitrified micro-beads, 4-8 parts of floating beads, 5-8 parts of volcanic ash, 0.2-0.3 part of polycarboxylic acid water reducing agent, 0.1-0.2 part of low-viscosity cellulose, 1-3 parts of redispersible latex powder, 0.5-1 part of defoaming agent, 0.2-0.5 part of high-performance suspension stabilizer, 0.2-0.5 part of dispersing agent, and the water-cement ratio is less than or equal to 0.45.
2. The floor-ground composite type thermal insulation self-leveling mortar according to claim 1, wherein the quartz sand is surface-modified gravel, and the manufacturing method comprises the following steps: mixing 13-15 parts by mass of quartz sand with the fineness of 30-50 meshes with 50-60 parts by mass of acid liquor, heating to 40-45 ℃, stirring at the speed of 20-30r/min for 20-30min, draining water from the quartz sand, and washing with clean water for 1-2 min; then heating the quartz sand to 400 ℃ of 300-.
3. The floor composite type thermal insulation self-leveling mortar according to claim 1, wherein the silica content of the high-strength vitrified micro bubbles is 65-78%.
4. The floor composite type thermal insulation self-leveling mortar according to claim 1, wherein the defoaming agent is polyether modified silicon.
5. The floor-ground composite type thermal insulation self-leveling mortar according to claim 1, wherein the high-performance suspension stabilizer is sodium metasilicate.
6. The floor composite type thermal insulation self-leveling mortar according to claim 1, wherein the dispersant is water-based calcium stearate.
7. The floor composite type thermal insulation self-leveling mortar according to claim 2, wherein the acid solution is a sulfuric acid solution with a mass fraction of 0.3-0.4%.
8. The floor composite type thermal insulation self-leveling mortar according to claim 2, wherein the amount of the polyurethane resin is 3-5% of the mass of the quartz sand.
9. The floor composite type thermal insulation self-leveling mortar according to claim 2, wherein the fineness of the high-strength vitrified micro bubbles is 70-90 meshes.
10. The floor surface composite type thermal insulation self-leveling mortar according to any one of claims 1 to 9, wherein the preparation method comprises the following steps: uniformly mixing phosphogypsum alpha powder, PO42.5 cement, a polycarboxylic acid water reducing agent, low-viscosity cellulose and redispersible latex powder in parts by mass, and then sequentially adding quartz sand, high-strength vitrified micro-beads, floating beads, volcanic ash, a defoaming agent, a high-performance suspension stabilizer and a dispersing agent ji and stirring the rest raw materials for 30 to 40 min.
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| CN202110596130.6A CN113213875A (en) | 2021-05-30 | 2021-05-30 | Floor composite type heat-preservation self-leveling mortar and preparation method thereof |
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| CN202110596130.6A CN113213875A (en) | 2021-05-30 | 2021-05-30 | Floor composite type heat-preservation self-leveling mortar and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455977A (en) * | 2022-02-22 | 2022-05-10 | 江苏昱奕环保科技有限公司 | Premixed mortar and preparation process thereof |
| CN115504756A (en) * | 2022-10-25 | 2022-12-23 | 娄城环保(苏州)有限公司 | Special gypsum leveling mortar for floors |
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| 张伟等编著: "《建筑预拌砂浆应用指南》", 30 April 2020, 中国建材工业出版社 * |
| 李凯琦等编著: "《风化型高岭土深加工技术》", 30 June 2017, 中国建材工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455977A (en) * | 2022-02-22 | 2022-05-10 | 江苏昱奕环保科技有限公司 | Premixed mortar and preparation process thereof |
| CN115504756A (en) * | 2022-10-25 | 2022-12-23 | 娄城环保(苏州)有限公司 | Special gypsum leveling mortar for floors |
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