CN110395959A - A kind of gypsum base thermal insulation mortar and preparation method thereof - Google Patents
A kind of gypsum base thermal insulation mortar and preparation method thereof Download PDFInfo
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- CN110395959A CN110395959A CN201910679596.5A CN201910679596A CN110395959A CN 110395959 A CN110395959 A CN 110395959A CN 201910679596 A CN201910679596 A CN 201910679596A CN 110395959 A CN110395959 A CN 110395959A
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- 238000009413 insulation Methods 0.000 title claims abstract description 40
- 239000010440 gypsum Substances 0.000 title claims abstract description 38
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 38
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 43
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 40
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000011521 glass Substances 0.000 claims abstract description 30
- 239000004576 sand Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 28
- 235000019738 Limestone Nutrition 0.000 claims abstract description 27
- 239000011324 bead Substances 0.000 claims abstract description 27
- 239000006028 limestone Substances 0.000 claims abstract description 27
- NCWQJOGVLLNWEO-UHFFFAOYSA-N methylsilicon Chemical compound [Si]C NCWQJOGVLLNWEO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- -1 polypropylene Polymers 0.000 claims abstract description 22
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 20
- 235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 claims abstract description 15
- 229920002472 Starch Polymers 0.000 claims abstract description 15
- 239000004816 latex Substances 0.000 claims abstract description 15
- 229920000126 latex Polymers 0.000 claims abstract description 15
- 239000011325 microbead Substances 0.000 claims abstract description 15
- 229920001155 polypropylene Polymers 0.000 claims abstract description 15
- 239000008107 starch Substances 0.000 claims abstract description 15
- 235000019698 starch Nutrition 0.000 claims abstract description 15
- 238000004017 vitrification Methods 0.000 claims abstract description 15
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 14
- 239000006004 Quartz sand Substances 0.000 claims abstract description 13
- 229920003086 cellulose ether Polymers 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 102000004169 proteins and genes Human genes 0.000 claims description 2
- 108090000623 proteins and genes Proteins 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000004035 construction material Substances 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract description 3
- 239000011368 organic material Substances 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000009472 formulation Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000006071 cream Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/12—Multiple coating or impregnating
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to construction material processing technique fields, and in particular to a kind of gypsum base thermal insulation mortar and preparation method thereof.The present invention includes following raw material: 500~600 parts of building gypsum; 100~150 parts of dicalcium powder; 50~100 parts of quartz sand, 25~40 parts of limestone sand, 240~260 parts of glass bead; 3~4 parts of cellulose ether; 15~20 parts of redispersable latex powder, 1.5~2 parts of retarder, 2~3 parts of starch ether; 2~4 parts of wood fibre, 1~3 part of polypropylene fibre, 25~30 parts of magnesium sulfate, 10~16 parts of poly- methyl silicon resin.The magnesium sulfate of molten condition is first sprayed onto the surface of glass bead by the present invention; it then proceedes to spray the poly- methyl silicon resin of one layer of molten condition on its surface; the poly- methyl silicon resin organic material layer that modified vitrification micro-bead obtained is covered in outermost surface; the adhesive property between other a variety of materials ingredients can be increased, and then increase the strength of materials.
Description
Technical field
The invention belongs to construction material processing technique fields, and in particular to a kind of gypsum base thermal insulation mortar and its production side
Method.
Background technique
Thermal insulation mortar is a kind of construction material for being chiefly used in constructing building surface insulation.The heat preservation of inorganic heat insulation mortar material
System fire prevention is not burnt.Can be widely used for intensive house, public building, large-scale public place, combustible and explosive area, to fire prevention
It is required that stringent place.It is alternatively arranged as setting fire and belt construction is isolated, improve building fire protection standard.
China payes attention to the development of building heat preservation, and exterior-wall heat insulation development is rather mature, and the development of heat insulating inner wall is just
Start, prospect is rather optimistic.Currently, heat insulating inner wall is based on cement base thermal insulation mortar.Cement base thermal insulation mortar has bonding strong
The disadvantages of it is poor to spend, easy hollowing, cracking.The shortcomings that cement base thermal insulation mortar can not only be solved perfectly in gypsum base thermal insulation mortar, together
When it is more healthy than cement base, be suitble to live.
Thermal insulation mortar currently on the market is longer there are setting time, needs to do cracking resistance protective layer in work progress, constructs
The problems such as inconvenient.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of gypsum base thermal insulation mortars and preparation method thereof.
A kind of gypsum base thermal insulation mortar, including following raw material:
500~600 parts of building gypsum, 100~150 parts of dicalcium powder, 50~100 parts of quartz sand, 25~40 parts of limestone sand,
240~260 parts of glass bead, 3~4 parts of cellulose ether, 15~20 parts of redispersable latex powder, 1.5~2 parts of retarder, starch
2~3 parts of ether, 2~4 parts of wood fibre, 1~3 part of polypropylene fibre, 25~30 parts of magnesium sulfate, 10~16 parts of poly- methyl silicon resin.
Preferably, including following raw material:
530 parts of building gypsum, 120 parts of dicalcium powder, 100 parts of quartz sand, 28 parts of limestone sand, 260 parts of glass bead, fiber
3 parts of plain ether, 18 parts of redispersable latex powder, 1.8 parts of retarder, 3 parts of starch ether, 2 parts of wood fibre, 3 parts of polypropylene fibre, sulphur
26 parts of sour magnesium, 12 parts of poly- methyl silicon resin.
Preferably, the retarder is protein retarder.
Preferably, the viscosity of the cellulose ether is 200000~30000mPas.
A kind of production method of thermal insulation mortar, which is characterized in that include the following steps；
A, magnesium sulfate and poly- methyl silicon resin are not heated to molten condition by this in a furnace, then heat glass bead
In the magnesium sulfate of glass bead surface sprinkling molten condition after to 500~600 DEG C, 100~120 DEG C are cooled to glass bead
When, continue the poly- methyl silicon resin in the surface of glass bead sprinkling molten condition, up to modified vitrification micro-bead after natural cooling；
B, limestone sand calcined to 4~5h at 900~1100 DEG C, building gypsum keeps the temperature 60 at 100~160 DEG C~
80min, and gypsum is uniformly mixed with burnt limestone sand by treated；
C, by modified vitrification micro-bead and dicalcium powder, quartz sand, cellulose ether, redispersable latex powder, retarder, starch
The materials such as ether, wood fibre and polypropylene fibre are mixed and are stirred after the water that 0.6~0.7 times of above-mentioned material gross mass is wherein added
It mixes uniformly, obtains mixed material A；
D, the water of 0.5~0.6 times of its gross mass is added in the limestone sand and gypsum mixed and stirs evenly, and stirs
Mix equal and obtained mixed material B；
E, after mixing by mixed material A and mixed material B, keep 30~40min to get finished product at 35~40 DEG C
Thermal insulation mortar.
Preferably, the bulk density of the modified vitrification micro-bead is 110~130kg/m3。
Preferably, in the step e, material B is mixed with material A while hot.
Preferably, the application of the finished product thermal insulation mortar under construction.
The beneficial effects of the present invention are:
1, the present invention passes through the rational proportion between a raw material, and cellulose ether, the Redispersable latex added in raw material
Powder, retarder, starch ether, wood fibre and polypropylene fibre etc. can effectively enhance the adhesion strength of thermal insulation mortar, hollowing and
Situations such as cracking, seldom occurs；Material has good adhesion strength, compression strength and stability of material, and setting time is short, 8
~9h final set, can effectively shorten the duration.And because of its good adhesion strength, compression strength and stability of material, using stone
The system of cream base thermal insulation mortar can be easy for construction with it goes without doing cracking resistance protective layer.
2, the magnesium sulfate of molten condition is first sprayed onto the surface of glass bead, is then proceeded to molten in one layer of its surface sprinkling
Melt the poly- methyl silicon resin of state, the poly- methyl silicon resin organic material that modified vitrification micro-bead obtained is covered in outermost surface
Layer can increase the adhesive property between other a variety of materials ingredients, and then increase the strength of materials.Limestone sand is after firing
It is mixed with gypsum, calcined limestone sand release heat, part water can increase building after becoming vapor after adding water to mix
Porosity inside gypsum reduces the density of thermal insulation mortar.
Specific embodiment
The present invention is further described in detail With reference to embodiment, but technical solution provided by the invention
It not only include the content showed in embodiment.
Embodiment 1
The present embodiment provides a kind of thermal insulation mortar formula and preparation method thereof, specifically:
A, 530 parts of building gypsum, it is 120 parts of dicalcium powder, 100 parts of quartz sand, 28 parts of limestone sand, 260 parts of glass bead, fine
Plain 3 parts of the ether of dimension, 18 parts of redispersable latex powder, 1.8 parts of retarder, 3 parts of starch ether, 2 parts of wood fibre, 3 parts of polypropylene fibre,
26 parts of magnesium sulfate, 12 parts of poly- methyl silicon resin；
B, magnesium sulfate and poly- methyl silicon resin are not heated to molten condition by this in a furnace, then heat glass bead
In the magnesium sulfate of glass bead surface sprinkling molten condition after to 540 DEG C, when glass bead is cooled to 110 DEG C, continue in glass
The poly- methyl silicon resin for changing the surface sprinkling molten condition of microballon, up to modified vitrification micro-bead after natural cooling；
C, limestone sand is calcined into 5h at 900 DEG C, building gypsum keeps the temperature 70min at 120 DEG C, and will treated stone
Cream is uniformly mixed with burnt limestone sand；
D, by modified vitrification micro-bead and dicalcium powder, quartz sand, cellulose ether, redispersable latex powder, retarder, starch
The mixing of the materials such as ether, wood fibre and polypropylene fibre is simultaneously stirred equal after the water that 0.6 times of above-mentioned material gross mass is wherein added
It is even, obtain mixed material A；
E, the water of 0.5 times of its gross mass is added in the limestone sand and gypsum mixed and stirs evenly, and stirs equal
With obtained mixed material B；
F, after mixing by mixed material A and mixed material B, keep 30min to get finished product thermal insulation sand at 37 DEG C
Slurry.
Embodiment 2
The present embodiment provides a kind of thermal insulation mortar formula and preparation method thereof, specifically:
A, 500 parts of building gypsum, it is 140 parts of dicalcium powder, 80 parts of quartz sand, 35 parts of limestone sand, 260 parts of glass bead, fine
Plain 4 parts of the ether of dimension, 18 parts of redispersable latex powder, 1.8 parts of retarder, 3 parts of starch ether, 2 parts of wood fibre, 3 parts of polypropylene fibre,
29 parts of magnesium sulfate, 14 parts of poly- methyl silicon resin；
B, magnesium sulfate and poly- methyl silicon resin are not heated to molten condition by this in a furnace, then heat glass bead
In the magnesium sulfate of glass bead surface sprinkling molten condition after to 600 DEG C, when glass bead is cooled to 120 DEG C, continue in glass
The poly- methyl silicon resin for changing the surface sprinkling molten condition of microballon, up to modified vitrification micro-bead after natural cooling；
C, limestone sand is calcined into 5h at 1100 DEG C, building gypsum keeps the temperature 65min at 120 DEG C, and by treated
Gypsum is uniformly mixed with burnt limestone sand；
D, by modified vitrification micro-bead and dicalcium powder, quartz sand, cellulose ether, redispersable latex powder, retarder, starch
The mixing of the materials such as ether, wood fibre and polypropylene fibre is simultaneously stirred equal after the water that 0.7 times of above-mentioned material gross mass is wherein added
It is even, obtain mixed material A；
E, the water of 0.5 times of its gross mass is added in the limestone sand and gypsum mixed and stirs evenly, and stirs equal
With obtained mixed material B；
F, after mixing by mixed material A and mixed material B, keep 40min to get finished product thermal insulation sand at 40 DEG C
Slurry.
Embodiment 3
The present embodiment provides a kind of thermal insulation mortar formula and preparation method thereof, specifically:
A, 540 parts of building gypsum, it is 120 parts of dicalcium powder, 100 parts of quartz sand, 28 parts of limestone sand, 255 parts of glass bead, fine
Plain 3 parts of the ether of dimension, 17 parts of redispersable latex powder, 1.8 parts of retarder, 3 parts of starch ether, 4 parts of wood fibre, 3 parts of polypropylene fibre,
30 parts of magnesium sulfate, 10 parts of poly- methyl silicon resin；
B, magnesium sulfate and poly- methyl silicon resin are not heated to molten condition by this in a furnace, then heat glass bead
In the magnesium sulfate of glass bead surface sprinkling molten condition after to 600 DEG C, when glass bead is cooled to 100 DEG C, continue in glass
The poly- methyl silicon resin for changing the surface sprinkling molten condition of microballon, up to modified vitrification micro-bead after natural cooling；
C, limestone sand is calcined into 4h at 1000 DEG C, building gypsum keeps the temperature 70min at 120 DEG C, and by treated
Gypsum is uniformly mixed with burnt limestone sand；
D, by modified vitrification micro-bead and dicalcium powder, quartz sand, cellulose ether, redispersable latex powder, retarder, starch
The mixing of the materials such as ether, wood fibre and polypropylene fibre is simultaneously stirred equal after the water that 0.6 times of above-mentioned material gross mass is wherein added
It is even, obtain mixed material A；
E, the water of 0.5 times of its gross mass is added in the limestone sand and gypsum mixed and stirs evenly, and stirs equal
With obtained mixed material B；
F, after mixing by mixed material A and mixed material B, keep 36min to get finished product thermal insulation sand at 40 DEG C
Slurry.
The present invention by the rational proportion between raw material, and added in raw material cellulose ether, redispersable latex powder,
Retarder, starch ether, wood fibre and polypropylene fibre etc. can effectively enhance the adhesion strength of thermal insulation mortar, hollowing and cracking
Situations such as seldom occur；Material has good adhesion strength, compression strength and stability of material, and setting time is short, in 8~9h
Final set, can effectively shorten the duration.And because of its good adhesion strength, compression strength and stability of material, using gypsum base
The system of thermal insulation mortar can be easy for construction with it goes without doing cracking resistance protective layer.
The magnesium sulfate of molten condition is first sprayed onto the surface of glass bead, then proceedes to spray one layer of melting on its surface
The poly- methyl silicon resin of state, the poly- methyl silicon resin organic material that modified vitrification micro-bead obtained is covered in outermost surface
Layer can increase the adhesive property between other a variety of materials ingredients, and then increase the strength of materials.Limestone sand is after firing
It is mixed with gypsum, calcined limestone sand release heat, part water can increase building after becoming vapor after adding water to mix
Porosity inside gypsum reduces the density of thermal insulation mortar.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form, appoint
What without departing from technical solution of the present invention content, according to the technical essence of the invention any modification to the above embodiments, etc.
With variation and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (8)
1. a kind of gypsum base thermal insulation mortar, which is characterized in that including following raw material:
500~600 parts of building gypsum, 100~150 parts of dicalcium powder, 50~100 parts of quartz sand, 25~40 parts of limestone sand, vitreous
240~260 parts of microballon, 3~4 parts of cellulose ether, 15~20 parts of redispersable latex powder, 1.5~2 parts of retarder, starch ether 2~
3 parts, 2~4 parts of wood fibre, 1~3 part of polypropylene fibre, 25~30 parts of magnesium sulfate, 10~16 parts of poly- methyl silicon resin.
2. a kind of gypsum base thermal insulation mortar according to claim 1, which is characterized in that including following raw material:
530 parts of building gypsum, 120 parts of dicalcium powder, 100 parts of quartz sand, 28 parts of limestone sand, 260 parts of glass bead, cellulose ether
3 parts, 18 parts of redispersable latex powder, 1.8 parts of retarder, 3 parts of starch ether, 2 parts of wood fibre, 3 parts of polypropylene fibre, magnesium sulfate
26 parts, 12 parts of poly- methyl silicon resin.
3. a kind of gypsum base thermal insulation mortar according to claim 1 or 2, which is characterized in that the retarder is protein
Retarder.
4. a kind of gypsum base thermal insulation mortar according to claim 1 or 2, which is characterized in that the viscosity of the cellulose ether
For 200000~30000mPas.
5. a kind of production method of thermal insulation mortar, which is characterized in that include the following steps；
A, magnesium sulfate and poly- methyl silicon resin are not heated to molten condition by this in a furnace, are then heated to glass bead
In the magnesium sulfate of glass bead surface sprinkling molten condition after 500~600 DEG C, when glass bead is cooled to 100~120 DEG C,
Continue the poly- methyl silicon resin in the surface of glass bead sprinkling molten condition, up to modified vitrification micro-bead after natural cooling；
B, limestone sand is calcined to 4~5h at 900~1100 DEG C, building gypsum keeps the temperature 60~80min at 100~160 DEG C,
And gypsum is uniformly mixed with burnt limestone sand by treated；
C, by modified vitrification micro-bead and dicalcium powder, quartz sand, cellulose ether, redispersable latex powder, retarder, starch ether, wood
The mixing of the materials such as matter fiber and polypropylene fibre is simultaneously stirred equal after the water that 0.6~0.7 times of above-mentioned material gross mass is wherein added
It is even, obtain mixed material A；
D, the water of 0.5~0.6 times of its gross mass is added in the limestone sand and gypsum mixed and stirs evenly, and stirs equal
With obtained mixed material B；
E, after mixing by mixed material A and mixed material B, keep 30~40min to get finished product thermal insulation at 35~40 DEG C
Mortar.
6. a kind of production method of thermal insulation mortar according to claim 5, which is characterized in that the modified vitrification micro-bead
Bulk density is 110~130kg/m3。
7. a kind of production method of thermal insulation mortar according to claim 5, which is characterized in that in the step e, material B
It is mixed while hot with material A.
8. a kind of production method of thermal insulation mortar according to claim 5, which is characterized in that the finished product thermal insulation mortar exists
Application in building.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072361A (en) * | 2019-12-09 | 2020-04-28 | 孙蕴章 | Novel phosphogypsum plastering mortar and preparation method thereof |
| CN111454603A (en) * | 2020-04-30 | 2020-07-28 | 杭州蓝田涂料有限公司 | Waterproof and mildew-proof gypsum putty powder and preparation method thereof |
| CN111592316A (en) * | 2020-05-25 | 2020-08-28 | 贵州省昊越新型材料科技有限公司 | Gypsum heat-insulating mortar |
| CN111875328A (en) * | 2020-06-29 | 2020-11-03 | 河南恒发建筑材料有限公司 | Lightweight gypsum mortar and preparation method thereof |
| CN114853501A (en) * | 2022-05-13 | 2022-08-05 | 安徽银客松新材料科技有限公司 | Preparation method of anti-cracking inorganic sound insulation mortar |
| CN115340345A (en) * | 2022-07-01 | 2022-11-15 | 北新集团建材股份有限公司 | High-coating-rate gypsum-based plastering mortar |
| CN116535180A (en) * | 2023-04-17 | 2023-08-04 | 昆山市百益新型建材有限公司 | Fiber reinforced mortar and preparation method thereof |
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| CN111072361A (en) * | 2019-12-09 | 2020-04-28 | 孙蕴章 | Novel phosphogypsum plastering mortar and preparation method thereof |
| CN111454603A (en) * | 2020-04-30 | 2020-07-28 | 杭州蓝田涂料有限公司 | Waterproof and mildew-proof gypsum putty powder and preparation method thereof |
| CN111592316A (en) * | 2020-05-25 | 2020-08-28 | 贵州省昊越新型材料科技有限公司 | Gypsum heat-insulating mortar |
| CN111875328A (en) * | 2020-06-29 | 2020-11-03 | 河南恒发建筑材料有限公司 | Lightweight gypsum mortar and preparation method thereof |
| CN114853501A (en) * | 2022-05-13 | 2022-08-05 | 安徽银客松新材料科技有限公司 | Preparation method of anti-cracking inorganic sound insulation mortar |
| CN115340345A (en) * | 2022-07-01 | 2022-11-15 | 北新集团建材股份有限公司 | High-coating-rate gypsum-based plastering mortar |
| CN116535180A (en) * | 2023-04-17 | 2023-08-04 | 昆山市百益新型建材有限公司 | Fiber reinforced mortar and preparation method thereof |
| CN116535180B (en) * | 2023-04-17 | 2024-05-14 | 昆山市百益新型建材有限公司 | Fiber reinforced mortar and preparation method thereof |
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Application publication date: 20191101 |