CN101239809A - Gypsum lightweight mortar - Google Patents
Gypsum lightweight mortar Download PDFInfo
- Publication number
- CN101239809A CN101239809A CNA2008100346659A CN200810034665A CN101239809A CN 101239809 A CN101239809 A CN 101239809A CN A2008100346659 A CNA2008100346659 A CN A2008100346659A CN 200810034665 A CN200810034665 A CN 200810034665A CN 101239809 A CN101239809 A CN 101239809A
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- CN
- China
- Prior art keywords
- lightweight mortar
- mortar
- gypsum lightweight
- gypsum
- retardant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C04B20/1051—Organo-metallic compounds; Organo-silicon compounds, e.g. bentone
-
- 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
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00517—Coating or impregnation materials for masonry
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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)
Abstract
A gypsum light mortar is a heat-insulating material of the inner wall of the building, the gypsum powder is taken as the gelled material which comprises light weight aggregate, polymeric additive and retarder, the light weight aggregate comprises expanded perlite, the polymeric additive is the combination of cellulose ether, lignocellulose, starch ether and polyvinyl alcohol, wherein, the expanded perlite is a silicon-processing modified expanded perlite. The mortar of the invention has the following advantages: the heat conducting coefficient of the mortar of the invention is greatly reduced, and the mortar has excellent heat preserving and insulating property, greatly-increased strength index comparing with the conventional heat-insulating mortar, excellent compression strength, securing the safety using, light weight, effectively reducing the sole weight of the building and the burden of the base load, same construction technique with the conventional coating mortar, simple operation; stable physical property, no hollow injection or cracking after construction, low activity, broad application field, and excellent compatibility and sticking force to various wall bases, the product of the invention in nontoxic, smell-less, inorganic and non-combustible.
Description
Technical field
The present invention relates to the lagging material of inner wall of building face, especially a kind of gypsum lightweight mortar with good heat preservation effect.
Background technology
The type of advocating thriftiness now society, the energy-saving heat preserving of buildings is a main trend of building, that existing sand-cement slurry heat-preserving wall mainly exists is easy to crack, come off, and causes body of wall natural thermal insulation poor performance, therefore constantly adopts gypsum insulation material place of cement mortar lagging material recently.
Publication number CN1884767 discloses a kind of gypsum insulation material, by basic unit's interfacial agents, thermal insulation layer, constitute as reinforcing mat compartment and surface layer with glass grid or silk screen layer, with the terra alba is matrix, also comprise re-dispersible glue powder, ether of cellulose, Trisodium Citrate etc., although this gypsum insulation material has anti-cracking performance preferably, and thermal conductivity is 1/6 of general sand-cement slurry, and this lagging material construction technology is very complicated, need brush layer by layer, be unfavorable for applying.
Other has publication number CN1807337 to describe a kind of gypsum base swelling perlite heat-insulating mortar dry powder, is matrix with the terra alba, also comprises expanded pearlite salt, flyash or high calcium ash, polypropylene fibre, ether of cellulose, retardant etc.Flyash that this invention comprises or high calcium ash mainly are to use as hardening accelerator, and hardening accelerator mainly as the admixture of sand-cement slurry, is used to shorten cement slurry thickening time, improve cement stone early strength.But for gypsum, the interpolation of this hardening accelerator just seems and there is no need, and should invention the heat insulation effect of gypsum insulation mortar do not done further research.
Existing thermal insulation mortar mainly contains adhesive polystyrene granule heat-insulating mortar, and it both can be used for exterior-wall heat insulation, also can be used for heat insulating inner wall.Applicant of the present invention finds that by the performance of existing structure thermal insulation mortar being studied the back factor that influences performances such as lagging material insulation, ultimate compression strength is relevant with the density of lagging material.Be embodied in: adhesive polystyrene granule heat-insulating mortar density is extremely low, and thermal conductivity also reduces greatly, therefore has excellent heat-insulating property, but ultimate compression strength, cohesive strength also significantly decreases, and difficulty of construction is big.At this problem, the present invention is intended to explore a kind of gypsum insulation mortar that has excellent insulation and strength property concurrently.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of density low, in light weight, can effectively reduce buildings deadweight or given tensile load, ultimate compression strength excellent performance, and the gypsum lightweight mortar with splendid heat-insulating property.
Another technical problem to be solved by this invention is to provide preparation method, using method and the purposes of above-mentioned gypsum lightweight mortar.
The present invention solves the problems of the technologies described above the technical scheme of being taked: a kind of gypsum lightweight mortar, with the terra alba is gelling material, comprise light skeletal, polymeric additive and retardant, wherein, described light skeletal comprises pearlstone, described polymeric additive is the combination of ether of cellulose, lignocellulose, starch ethers and pva powder, and wherein, described pearlstone is organic-silicon-modified pearlstone.
Pearlstone is a kind of light filler commonly used, is characterized in light weight, thermal conductivity is low, inorganic non-combustible, but has the big shortcoming of water-intake rate.The present invention uses organosilicon that pearlstone is carried out modification and handles, and has reduced the wetting ability on pearlstone surface, thereby its water-intake rate is reduced greatly., stir with terra alba, polymeric additive etc. and to make gypsum lightweight mortar as light skeletal with organic-silicon-modified pearlstone, its physical and mechanical property also is largely increased.
On the basis of such scheme, described gypsum lightweight mortar comprises following component by weight percentage:
Terra alba 48～78%
Modified expanded perlite 20～50%
Ether of cellulose 0.1～0.5%
Lignocellulose 0.05～0.3%
Starch ethers 0.02～0.1%
Polyvinyl alcohol 0.2～2%
Retardant 0.03～0.5%.
The consumption of described terra alba is specifically as follows 48,48.5, and 49,49.5,50,50.5,51,51.5,52,52.5,53,53.5,54,54.5,55,55.5,56,56.5,57,57.5,58,59,60,62,64,65,66,68,70,72,75,78%;
The consumption of modified expanded perlite is specifically as follows 20,22, and 25,28,30,32,34,36,38,40,41,42,43,43.2,43.7,44,44.4,44.8,45,45.5,46,46.5,47,47.5,48,48.5,48.5,49,49.5,50%;
The consumption of ether of cellulose is specifically as follows 0.1,0.12, and 0.13,0.15,0.16,0.18,0.2,0.22,0.25,0.27,0.3,0.32,0.35,0.38,0.4,0.43,0.45,0.48,0.5%;
The consumption of lignocellulose is specifically as follows 0.05,0.08, and 0.1,0.11,0.12,0.13,0.15,0.16,0.18,0.2,0.22,0.25,0.27,0.3%;
The consumption of starch ethers is specifically as follows 0.02,0.03, and 0.04,0.05,0.06,0.07,0.08,0.09,0.1%;
The consumption of polyvinyl alcohol is specifically as follows 0.2,0.4, and 0.6,0.8,1,1.2,1.4,1.6,1.8,2%;
The consumption of retardant is specifically as follows 0.03,0.05, and 0.08,0.1,0.12,0.15,0.18,0.2,0.22,0.25,0.28,0.3,0.32,0.35,0.38,0.4,0.42,0.45,0.48,0.5%.
The volume density of described gypsum lightweight mortar is 400～450kg/m
3
Described ether of cellulose is the ether of cellulose of auxiliary rheological agents modification.The ether of cellulose of modification is a typical additives, can further effectively improve the workability of product.
Adding polyvinyl alcohol can effectively increase the denseness of material, improves the adhesive property of material simultaneously.
Described retardant is a kind of or its combination in sodium phosphate salt, Trisodium Citrate, the tartrate.
Described retardant is the modified with organic acids retardant, and retardant also is a kind of typical additives.
At the preparation method of above-mentioned gypsum lightweight mortar, terra alba, modified expanded perlite, ether of cellulose, lignocellulose, starch ethers, polyvinyl alcohol and retardant mixed make powder.
At the using method of above-mentioned gypsum lightweight mortar, in above-mentioned powder, add suitable quantity of water and make the gypsum mortar slurry and carry out body of wall and whitewash or plaster.
At the purposes of above-mentioned gypsum lightweight mortar, described gypsum lightweight mortar is coated on the interior metope of buildings.
Conventional gypsum motar, adhesive polystyrene granule heat-insulating mortar and gypsum lightweight mortar performance index of the present invention are shown in Table 1.
Table 1
| Test subject | The gypsum motar | Adhesive polystyrene granule heat-insulating mortar | Gypsum lightweight mortar |
| Volume density kg/m 3 | 1500 | 180～250 | 400～450 |
| Thermal conductivity w/ (mk) | 0.53 | 0.06 | 0.09 |
| Ultimate compression strength MPa | 5 | 0.02 | 1 |
| Folding strength MPa | 2 | 0.4 | |
| Cohesive strength MPa | 0.1 | 0.05 | 0.1 |
| Application property | Convenient, fast | Application property is poor, quality should not be controlled | Light, quick |
By table 1 as seen, gypsum lightweight mortar of the present invention has the characteristics of traditional adhesive polystyrene granule heat-insulating mortar light weight, and thermal conductivity is also similar with it.But with traditional motar relatively, the thermal conductivity of product of the present invention only is 1/6 of a conventional gypsum motar, especially 1/10 of traditional sand-cement slurry, heat-insulating property improves greatly.In addition, with respect to the shortcoming of traditional thermal insulation mortar strength property difference, gypsum lightweight mortar ultimate compression strength of the present invention is 50 times of traditional thermal insulation mortar, and cohesive strength is 2 times of traditional thermal insulation mortar, and the crimping ratio is less than 3.
The invention has the beneficial effects as follows:
1, gypsum lightweight mortar of the present invention has been gathered the feature performance benefit of conventional gypsum motar and thermal insulation mortar, thermal conductivity reduces greatly, have excellent insulation, heat-proof quality, and every intensity index is compared traditional thermal insulation mortar and is improved greatly, have excellent ultimate compression strength, guarantee safe handling;
2, gypsum lightweight mortar of the present invention has lightweight characteristics, effectively reduces the deadweight of buildings and to the burden of given tensile load;
3, gypsum lightweight mortar of the present invention is mixed by each component and makes powder, adds an amount of water and make slurry and carry out body of wall and whitewash or plaster before construction, and construction technology is identical with traditional motar, and constructing operation is very simple;
4, stable physical property, after the construction not hollowing, do not ftracture;
5, radioactivity is extremely low, guarantees that living environment is healthy and safe;
6, widely applicable, with various bodies of wall fabulous consistency and adhesive power are arranged all, be applicable to plastering of various inner wall of building faces;
7, product of the present invention is nonpoisonous and tasteless, and main ingredient is an inorganic materials, has non-combustible characteristic.
Embodiment
Embodiment 1
Pearlstone through organic-silicon-modified, is made organic-silicon-modified pearlstone.
The polyvinyl alcohol of 55% terra alba by weight percentage, 43.65% modified expanded perlite, 0.1% ether of cellulose, 0.1% lignocellulose, 0.1% retardant, 0.05% starch ethers and 1% stirred make powder.
Adding suitable quantity of water in the powder makes the gypsum lightweight mortar slurry and the inner wall of building face is whitewashed or plasters.
Embodiment 2
The polyvinyl alcohol of 55% terra alba by weight percentage, 43.75% modified expanded perlite, 0.15% ether of cellulose, 0.1% lignocellulose, 0.15% retardant, 0.05% starch ethers and 0.8% stirred make powder.
Embodiment 3
The polyvinyl alcohol of 53.5% terra alba by weight percentage, 44.77% modified expanded perlite, 0.18% ether of cellulose, 0.15% lignocellulose, 0.15% retardant, 0.05% starch ethers and 1.2% stirred make powder.
Embodiment 4
The polyvinyl alcohol of 53% terra alba by weight percentage, 44.42% modified expanded perlite, 0.18% ether of cellulose, 0.2% lignocellulose, 0.15% retardant, 0.05% starch ethers and 2% stirred make powder.
Pearlstone among the embodiment 2～4 is all handled modification through silicon, and the preparation method of gypsum lightweight mortar is also identical with embodiment 1 with using method.
Claims (9)
1, a kind of gypsum lightweight mortar, with the terra alba is gelling material, comprise light skeletal, polymeric additive and retardant, it is characterized in that: described light skeletal comprises pearlstone, described polymeric additive is the combination of ether of cellulose, lignocellulose, starch ethers and pva powder, wherein, described pearlstone is organic-silicon-modified pearlstone.
2, gypsum lightweight mortar according to claim 1 is characterized in that: described gypsum lightweight mortar comprises following component by weight percentage:
Terra alba 48～78%
Modified expanded perlite 20～50%
Ether of cellulose 0.1～0.5%
Lignocellulose 0.05～0.3%
Starch ethers 0.02～0.1%
Polyvinyl alcohol 0.2～2%
Retardant 0.03～0.5%.
3, gypsum lightweight mortar according to claim 1 and 2 is characterized in that: the volume density of described gypsum lightweight mortar is 400～450kg/m
3
4, gypsum lightweight mortar according to claim 1 and 2 is characterized in that: described ether of cellulose is the ether of cellulose of auxiliary rheological agents modification.
5, gypsum lightweight mortar according to claim 1 and 2 is characterized in that: described retardant is a kind of or its combination in sodium phosphate salt, Trisodium Citrate, the tartrate.
6, gypsum lightweight mortar according to claim 5 is characterized in that: described retardant is the modified with organic acids retardant.
7, at the preparation method of claim 1 or 2 described gypsum lightweight mortars, it is characterized in that: terra alba, modified expanded perlite, ether of cellulose, lignocellulose, starch ethers, polyvinyl alcohol and retardant are mixed make powder.
8, at the using method of the described gypsum lightweight mortar of claim 7, it is characterized in that: in powder, add suitable quantity of water and make the gypsum lightweight mortar slurry and carry out body of wall and whitewash or plaster.
9, the purposes of gypsum lightweight mortar according to claim 1 and 2 is characterized in that: described gypsum lightweight mortar is coated on the interior metope of buildings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100346659A CN101239809A (en) | 2008-03-14 | 2008-03-14 | Gypsum lightweight mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100346659A CN101239809A (en) | 2008-03-14 | 2008-03-14 | Gypsum lightweight mortar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101239809A true CN101239809A (en) | 2008-08-13 |
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Family Applications (1)
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|---|---|---|---|
| CNA2008100346659A Pending CN101239809A (en) | 2008-03-14 | 2008-03-14 | Gypsum lightweight mortar |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060497A (en) * | 2010-12-03 | 2011-05-18 | 上海英硕聚合物材料有限公司 | Phase change composite heat-insulating mortar with desulfurization gypsum as main gelled material |
| CN102190468A (en) * | 2011-05-24 | 2011-09-21 | 南京臣功节能材料有限责任公司 | Anti-sagging heat-insulation mortar based on silicate cement |
| CN102442812A (en) * | 2011-09-30 | 2012-05-09 | 浙江每天建材科技有限公司 | Mildew-proof and water-proof plastering mortar |
| CN103086658A (en) * | 2013-01-21 | 2013-05-08 | 山西威凯科技开发有限公司 | Production method of three-dimensional skeleton composite board for building |
| CN103643769A (en) * | 2013-12-26 | 2014-03-19 | 中建八局第四建设有限公司 | Construction technology of wall plastering and wall body |
| CN103922684A (en) * | 2014-03-12 | 2014-07-16 | 湖南英硕建筑节能材料有限公司 | Gypsum-based thermal insulation material for interior walls and preparation method thereof |
| CN104891923A (en) * | 2015-05-04 | 2015-09-09 | 王蕊 | One-step formed light gypsum plaster |
| CN105036676A (en) * | 2015-07-03 | 2015-11-11 | 枞阳县天筑新型建筑材料有限公司 | Multi-fiber mixed thermal insulation mortar added with gypsum and preparation method thereof |
| CN105731960A (en) * | 2016-01-25 | 2016-07-06 | 上海傅罗实业有限公司 | Gypsum-based mortar |
| CN105819732A (en) * | 2016-03-17 | 2016-08-03 | 李金平 | Water-retaining agent dedicated for thermal insulation mortar |
| CN105985050A (en) * | 2015-12-19 | 2016-10-05 | 济南源盛化工科技有限公司 | Retarding gypsum additive |
| CN106587880A (en) * | 2016-12-15 | 2017-04-26 | 岑其挺 | Gypsum foundation wall surface bottom layer leveling material |
| CN109403567A (en) * | 2018-10-25 | 2019-03-01 | 刘刚 | A kind of good heat preservation mortar for outer wall of buildings construction method of rheological characteristic |
| CN110028297A (en) * | 2018-01-12 | 2019-07-19 | 广西壮族自治区建筑材料科学研究设计院 | It is a kind of to prepare building heat-insulating mortar and preparation method thereof with desulfurized gypsum |
| CN113292310A (en) * | 2021-06-22 | 2021-08-24 | 河南建筑材料研究设计院有限责任公司 | Gypsum-based heat-insulating slurry and preparation method thereof |
| CN115557772A (en) * | 2022-11-10 | 2023-01-03 | 上海宝冶工程技术有限公司 | Plaster material for heat-insulating layer plastering |
-
2008
- 2008-03-14 CN CNA2008100346659A patent/CN101239809A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060497B (en) * | 2010-12-03 | 2012-10-03 | 上海英硕聚合材料股份有限公司 | Phase change composite heat-insulating mortar with desulfurization gypsum as main gelled material |
| CN102060497A (en) * | 2010-12-03 | 2011-05-18 | 上海英硕聚合物材料有限公司 | Phase change composite heat-insulating mortar with desulfurization gypsum as main gelled material |
| CN102190468A (en) * | 2011-05-24 | 2011-09-21 | 南京臣功节能材料有限责任公司 | Anti-sagging heat-insulation mortar based on silicate cement |
| CN102442812A (en) * | 2011-09-30 | 2012-05-09 | 浙江每天建材科技有限公司 | Mildew-proof and water-proof plastering mortar |
| CN103086658A (en) * | 2013-01-21 | 2013-05-08 | 山西威凯科技开发有限公司 | Production method of three-dimensional skeleton composite board for building |
| CN103086658B (en) * | 2013-01-21 | 2014-10-22 | 山西威凯科技开发有限公司 | Production method of three-dimensional skeleton composite board for building |
| CN103643769B (en) * | 2013-12-26 | 2016-06-29 | 中建八局第四建设有限公司 | Wall plastering construction technique |
| CN103643769A (en) * | 2013-12-26 | 2014-03-19 | 中建八局第四建设有限公司 | Construction technology of wall plastering and wall body |
| CN103922684A (en) * | 2014-03-12 | 2014-07-16 | 湖南英硕建筑节能材料有限公司 | Gypsum-based thermal insulation material for interior walls and preparation method thereof |
| CN104891923A (en) * | 2015-05-04 | 2015-09-09 | 王蕊 | One-step formed light gypsum plaster |
| CN105036676A (en) * | 2015-07-03 | 2015-11-11 | 枞阳县天筑新型建筑材料有限公司 | Multi-fiber mixed thermal insulation mortar added with gypsum and preparation method thereof |
| CN105985050A (en) * | 2015-12-19 | 2016-10-05 | 济南源盛化工科技有限公司 | Retarding gypsum additive |
| CN105731960A (en) * | 2016-01-25 | 2016-07-06 | 上海傅罗实业有限公司 | Gypsum-based mortar |
| CN105819732A (en) * | 2016-03-17 | 2016-08-03 | 李金平 | Water-retaining agent dedicated for thermal insulation mortar |
| CN106587880A (en) * | 2016-12-15 | 2017-04-26 | 岑其挺 | Gypsum foundation wall surface bottom layer leveling material |
| CN110028297A (en) * | 2018-01-12 | 2019-07-19 | 广西壮族自治区建筑材料科学研究设计院 | It is a kind of to prepare building heat-insulating mortar and preparation method thereof with desulfurized gypsum |
| CN109403567A (en) * | 2018-10-25 | 2019-03-01 | 刘刚 | A kind of good heat preservation mortar for outer wall of buildings construction method of rheological characteristic |
| CN113292310A (en) * | 2021-06-22 | 2021-08-24 | 河南建筑材料研究设计院有限责任公司 | Gypsum-based heat-insulating slurry and preparation method thereof |
| CN115557772A (en) * | 2022-11-10 | 2023-01-03 | 上海宝冶工程技术有限公司 | Plaster material for heat-insulating layer plastering |
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Application publication date: 20080813 |