CN105801068A - Rice-straw-fiber-toughened desulphurization-gypsum-based heat preservation mortar and application method - Google Patents
Rice-straw-fiber-toughened desulphurization-gypsum-based heat preservation mortar and application method Download PDFInfo
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- CN105801068A CN105801068A CN201610157815.XA CN201610157815A CN105801068A CN 105801068 A CN105801068 A CN 105801068A CN 201610157815 A CN201610157815 A CN 201610157815A CN 105801068 A CN105801068 A CN 105801068A
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- rice straw
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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
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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
- 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
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
-
- 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
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- 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 belongs to the technical field of building materials, and particularly relates to rice-straw-fiber-toughened desulphurization-gypsum-based heat preservation mortar and an application method. The rice-straw-fiber-toughened desulphurization-gypsum-based heat preservation mortar comprises desulphurization gypsum, superfine slag powder, calcium hydroxide, high-calcium fly ash, calcium aluminate cement, rice straw fibers, glass beads, re-dispersible latex powder, air entraining agent, cellulose ether, guar gum and hydrophobic agent. The rice-straw-fiber-toughened desulphurization-gypsum-based heat preservation mortar has the advantages that construction performance, mechanical performance and waterproof and hydrophobic performance are good, heat preservation performance and fireproof performance are excellent, safe and durable effects are achieved, the fireproofing grade is A, and ignition is avoided. According to the rice-straw-fiber-toughened desulphurization-gypsum-based heat preservation mortar and the application method, industry and agriculture solid waste such as rice straw fibers, desulphurization gypsum, fly ash and superfine slag powder is fully used, production cost is low, construction is simple and rapid, the good economic benefits and the good social benefits are achieved, and the rice-straw-fiber-toughened desulphurization-gypsum-based heat preservation mortar is suitable for building-wall heat preservation and energy saving engineering.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw and using method.
Background technology
Under the strategic requirement of China's energy-saving and emission-reduction, the energy-saving and emission-reduction of building and building material field also become more and more important.China is industrial power, a large amount of solid waste of annual discharge, as far as desulfurated plaster annual production, reaches 80,000,000 tons every year, and cumulative stock reaches several hundred million ton.Desulfurated plaster is always up research and application focus in the scale application of building material field, and the application in insulation material also receives publicity gradually.The desulfurated plaster that flue gas desulfurization device directly obtains is the dihydrate gypsum containing large quantity of moisture, condenses hardening slow, and intensity is low, it is impossible to suitable in the requirement that onsite application especially machine spraying construction uses.Therefore the present invention proposes the desulfurated plaster powder body material that use oven drying at low temperature technique is made.
Ye Shi large agricultural country of China, annual produces substantial amounts of agricultural waste material, this wherein rice straw annual output reach more than one hundred million ton, part is applied or burns, but major part still has to be applied.Rice straw fiber is the fibrous material obtained after crushing and shear treatment by rice straw, belongs to light porous material, and cross-sectional hole rate is up to 60%, and unit weight is only small, has good thermal and insulating performance, is good natural heat preserving aggregate；Rice straw fiber as fiber reinforced component, can cut down stress, it is suppressed that the generation of microcrack and growth simultaneously.
Under energy-saving and emission-reduction strategy promotes, along with China's building energy conservation develops rapidly, the application of construction wall heat insulation system has become as one of important technology realizing building energy conservation, and current building energy conservation scope is generalized to farm building from town building, promotes urban and rural buildings Energy Conservation.Building energy conservation needs the efficient insulation material of safety and environmental protection badly.Thermal insulation mortar is a kind of powder body class insulation material obtained by mixing mixings such as lightweight aggregate, Binder Materials and chemical addition agents, has easy construction, good with wall integrity, the advantage that safety and durability waits well.
The present invention is directed to the feature of desulfurated plaster, rice straw fiber, and for building energy conservation demand, work out the fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw, not only effectively utilize the industrial or agricultural solid waste such as desulfurated plaster and rice straw fiber, and utilize the industrial solid castoff such as flyash, slag powders in a large number, the product obtained has higher comprcssive strength, heat-insulating property and fire resistance rating, possesses good social benefit and environmental benefit and wide market application foreground.
Summary of the invention
The crops solid waste produced after it is an object of the invention to make full use of Paddy rice processed, it is provided that a kind of cost is low, long-term behaviour and excellent in durability; and the thermal insulation mortar that fire protecting performance A level is not fired; and comprehensively utilize solid waste in a large number, economize on resources and the energy, protect environment.
The fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw of the present invention, is made up of desulfurated plaster, ultrafine slag powder, calcium hydroxide, high-calcium fly ass, aluminous cement, rice straw fiber, glass bead, redispersable latex powder, air entraining agent, cellulose ether, guar gum and hydrophober.Its each components by weight is:
Desulfurated plaster 100
Ultrafine slag powder 20-50
Calcium hydroxide 15-50
High-calcium fly ass 10-40
Aluminous cement 5-40
Rice straw fiber 5-20
Glass bead 20-80
Redispersable latex powder 2-15
Cellulose ether 0.5-5
Air entraining agent 0.05-0.5
Guar gum 0.5-5.5
Hydrophober 0.05-0.5；
Described rice straw fiber is the rice straw fiber of length≤5mm that sorting process obtains after rice straw crushing, and bulk density is 80-100kg/m3。
Each component preferably weight ratio is:
Desulfurated plaster 100
Ultrafine slag powder 25-40
Calcium hydroxide 20-35
High-calcium fly ass 15-30
Aluminous cement 10-30
Rice straw fiber 8-16
Glass bead 25-65
Redispersable latex powder 4-12
Cellulose ether 1.5-4.5
Air entraining agent 0.2-0.4
Guar gum 2-5
Hydrophober 0.2-0.4.
In the present invention, described desulfurated plaster is the wet process of FGD Gypsum Fibrosum desulfurated plaster through 60 DEG C of drying and dewatering gained, sulfate dihydrate calcium content >=95%, free water content≤0.5%.
In the present invention, the 700-800m of described ultrafine slag powder specific surface area2/ kg, grain diameter≤10 μm, quality coefficient K is 1.9-2.3.
In the present invention, described calcium hydroxide specific surface area is 400-500m2/ kg, mean diameter are (30-50) μm.
In the present invention, described high-calcium fly ass is II level high-calcium fly ass, its specific surface area 350-450m2/ kg, free calcium oxide content≤3%.
In the present invention, described aluminous cement is one or both in CA50-III type or CA50-IV type aluminous cement.
In the present invention, described glass bead particle diameter is 0.1-5mm, bulk density 60-80kg/m3, surface rate of closed hole >=80%.
In the present invention, described redispersable latex powder is the polyacrylic acid latex powder of minimum film formation temperature 0 DEG C.
In the present invention, described cellulose ether viscosity is the hydroxypropyl methyl cellulose of 40000-55000mPa.s.
In the present invention, described air entraining agent is sodium lauryl sulphate air entraining agent.
In the present invention, described guar gum viscosity is the guar hydroxypropyltrimonium ammonium chloride of 5000-7000mPa.s.
In the present invention, described hydrophober is polysiloxanes hydrophober.
In the present invention, the using method of the fiber reinforced desulfurized gypsum base thermal insulation mortar of described a kind of rice straw, when it is characterized in that using, amount of water is 1.1 ~ 1.5 times of thermal insulation mortar gross weight, specifically comprise the following steps that the various raw material of precise by weight proportion, first by desulfurated plaster, ultrafine slag powder, calcium hydroxide, high-calcium fly ass, aluminate cement, redispersable latex powder, cellulose ether, air entraining agent, blender mixing 2-3min is added together with guar gum and hydrophober etc., it is subsequently adding glass bead and rice straw fiber, 1-2min is at the uniform velocity stirred under 40-80r/min rotating speed, water it is slowly added into afterwards in whipping process, stir and get final product construction usage.
In the present invention, form complex cementitious system with desulfurated plaster, ultrafine slag powder, calcium hydroxide, high-calcium fly ass and aluminate cement.Each material plays dominant complementation effect, aluminate cement improves just early strength and volume stability, ultrafine slag powder improves early strength and middle and late stage intensity with desulfurated plaster and guarantees volume stability, desulfurated plaster, calcium hydroxide, high-calcium fly ass and ultrafine slag powder combined effect significantly improve middle and late stage intensity, and calcium hydroxide promotes the hydration reaction of high-calcium fly ass and ultrafine slag powder；Calcium hydroxide can also improve workability and the water-retaining property of thermal insulation mortar simultaneously, reduces Investigation of drying shrinkage of high, improves workability.
Rice straw fiber belongs to light porous fibrous material, play toughening effect, the internal stress that opposing thermal insulation mortar produces in hardening process, suppress generation and the growth of microcrack, simultaneously because have light porous and that unit weight is little feature, there is good thermal and insulating performance, to a certain extent the heat-insulating property of additional raising thermal insulation mortar.
Glass bead, as lightweight aggregate, gives heat-insulating property and A level fire prevention noninflammability energy that thermal insulation mortar has excellence, it is ensured that the present invention is safe and efficient is applied to construction wall inside holding engineering enduringly.
Polyacrylic acid latex powder strengthens the adhesive property of thermal insulation mortar and base material, promotes cohesiveness and the flexibility of insulation material, and relatively low film formation temperature ensure that thermal insulation mortar can carry out construction application kimonos at a lower temperature and use use；Its water resistance with excellence and toughness, significantly improve resistance to water and the anti-cracking performance of product of the present invention simultaneously.
Cellulose ether improves water-retaining property and workability, reduces bulk density and heat conductivity, and its viscosity scope in turn ensure that thermal insulation mortar workability does not produce skinning and easily sticks in spatula problem simultaneously.Air entraining agent introduces uniform and stable bubble, improves pore structure, reduces unit weight, improves heat-insulating property.Full-bodied guar gum improves the rheological property of insulation material, cohesiveness and water-retaining property, extends the open hour, improves anti-hanging from above property and construction workability.Hydrophober gives the hydrophobicity performance that thermal insulation mortar is good, improves coefficient of softing.
The synergism of said components, ensure that product of the present invention has good physical and mechanical property, endurance quality, fire protecting performance and thermal and insulating performance, internal wall insulation system suitable in building, suitable in new building energy-saving projects, it is also applied for existing building heat preservation energy-saving improvement project.
The fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw that the present invention proposes, production technology and using method are simple, there is excellent workability and application property, can manually constructing with mechanically spraying, mechanical property highlights, and early strength is high, and strength development is fast, high with base material adhesion strength, crack resistance and water-tolerant, heat-insulating property and fire protecting performance are excellent；And utilizing the agriculture and industry wastes such as desulfurated plaster, rice straw fiber, flyash, ultrafine slag powder in a large number is raw material, and Financial cost is low, there is significantly high social benefit, environmental benefit and economic benefit.
The features such as the present invention has workability and mechanical property is good, and waterproof hydrophobicity performance is good, and heat-insulating property and fire protecting performance are excellent, safety durable, fire line A level not combustion.The present invention makes full use of the industrial or agricultural solid waste such as rice straw fiber, desulfurated plaster, flyash and ultrafine slag powder, and production cost is low, simple and fast of constructing, and has good economic benefit and social benefit, it is adaptable to construction wall energy-saving projects.
Detailed description of the invention
Further illustrate the present invention by the examples below.
Embodiment 1: a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw, by desulfurated plaster 100, ultrafine slag powder 25, calcium hydroxide 15, high-calcium fly ass 15, aluminous cement 25, rice straw fiber 12, glass bead 65, polyacrylic acid latex powder 8, hydroxypropyl methyl cellulose 2.5, air entraining agent sodium lauryl sulphate 0.25, guar hydroxypropyltrimonium ammonium chloride 2.5, polysiloxanes hydrophober 0.3 weight ratio formulated.Add water by the 1.15 of thermal insulation mortar gross weight times, stir, obtain required product.The performance test results is shown in Table 1.
Embodiment 2: a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw, by desulfurated plaster 100, ultrafine slag powder 35, calcium hydroxide 20, high-calcium fly ass 10, aluminous cement 20, rice straw fiber 8, glass bead 55, polyacrylic acid latex powder 12, hydroxypropyl methyl cellulose 1.5, air entraining agent sodium lauryl sulphate 0.4, guar hydroxypropyltrimonium ammonium chloride 4, polysiloxanes hydrophober 0.2 weight ratio formulated.Add water by the 1.2 of thermal insulation mortar gross weight times, stir, obtain required product.The performance test results is shown in Table 1.
Embodiment 3: a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw, by desulfurated plaster 100, ultrafine slag powder 40, calcium hydroxide 30, high-calcium fly ass 25, aluminous cement 10, rice straw fiber 16, glass bead 40, polyacrylic acid latex powder 5.5, hydroxypropyl methyl cellulose 3, air entraining agent sodium lauryl sulphate 0.15, guar hydroxypropyltrimonium ammonium chloride 3, polysiloxanes hydrophober 0.4 weight ratio formulated.Add water by the 1.35 of thermal insulation mortar gross weight times, stir, obtain required product.The performance test results is shown in Table 1.
Table 1 embodiment the performance test results
Claims (10)
1. the fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw; it is characterized in that being prepared from by desulfurated plaster, ultrafine slag powder, calcium hydroxide, high-calcium fly ass, aluminous cement, rice straw fiber, glass bead, redispersable latex powder, cellulose ether, air entraining agent, guar gum and hydrophober, the weight ratio of each component is:
Desulfurated plaster 100
Ultrafine slag powder 20-50
Calcium hydroxide 15-50
High-calcium fly ass 10-40
Aluminous cement 5-40
Rice straw fiber 5-20
Glass bead 20-80
Redispersable latex powder 2-15
Cellulose ether 0.5-5
Air entraining agent 0.05-0.5
Guar gum 0.5-5.5
Hydrophober 0.05-0.5；
Described rice straw fiber is the rice straw fiber of length≤5mm that sorting process obtains after rice straw crushing, and bulk density is 80-100kg/m3。
2. a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw according to claim 1, it is characterised in that the weight ratio of each component is:
Desulfurated plaster 100
Ultrafine slag powder 25-40
Calcium hydroxide 20-35
High-calcium fly ass 15-30
Aluminous cement 10-30
Rice straw fiber 8-16
Glass bead 25-65
Redispersable latex powder 4-12
Cellulose ether 1.5-4.5
Air entraining agent 0.2-0.4
Guar gum 2-5
Hydrophober 0.2-0.4.
3. a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw according to claim 1, it is characterized in that described desulfurated plaster is the wet process of FGD Gypsum Fibrosum desulfurated plaster through 60 DEG C of drying and dewatering gained, sulfate dihydrate calcium content >=95%, free water content≤0.5%.
4. a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw according to claim 1, it is characterised in that described ultrafine slag powder specific surface area is 700-800m2/ kg, grain diameter≤10 μm, quality coefficient K is 1.9-2.3.
5. a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw according to claim 1, it is characterised in that described calcium hydroxide Blain specific surface is 400-500m2/ kg, mean diameter are (30-50) μm.
6. a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw according to claim 1, it is characterised in that described high-calcium fly ass is II level high-calcium fly ass, its specific surface area 350-450m2/ kg, free calcium oxide content≤3%.
7. a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw according to claim 1, it is characterised in that described aluminous cement is one or both in CA50-III type or CA50-IV type aluminous cement.
8. a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw according to claim 1, it is characterised in that the particle diameter of described glass bead is 0.1-5mm, bulk density is 60-80kg/m3, surface rate of closed hole >=80%.
9. a kind of fiber reinforced desulfurized gypsum base thermal insulation mortar of rice straw according to claim 1, it is characterised in that described redispersable latex powder is the polyacrylic acid latex powder of minimum film formation temperature 0 DEG C；Described cellulose ether is the hydroxypropyl methyl cellulose of viscosity 40000-55000mPa.s；Described air entraining agent is sodium lauryl sulphate air entraining agent；Described guar gum is the guar hydroxypropyltrimonium ammonium chloride of viscosity 5000-7000mPa.s；Described hydrophober is polysiloxanes hydrophober.
10. the using method of the fiber reinforced desulfurized gypsum base thermal insulation mortar of a kind of rice straw as claimed in claim 1, when it is characterized in that using, amount of water is 1.1 ~ 1.5 times of thermal insulation mortar gross weight, specifically comprise the following steps that the various raw material of precise by weight proportion, first by desulfurated plaster, ultrafine slag powder, calcium hydroxide, high-calcium fly ass, aluminate cement, redispersable latex powder, cellulose ether, air entraining agent, guar gum adds blender mixing 2-3min together with hydrophober, it is subsequently adding glass bead and rice straw fiber, 1-2min is at the uniform velocity stirred under 40-80r/min rotating speed, water it is slowly added into afterwards in whipping process, stir and get final product construction usage.
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| CN201610157815.XA CN105801068A (en) | 2016-03-21 | 2016-03-21 | Rice-straw-fiber-toughened desulphurization-gypsum-based heat preservation mortar and application method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111189A (en) * | 2018-09-22 | 2019-01-01 | 芜湖市秋华保温材料有限责任公司 | A kind of YT painting type inorganic heat preservation slurry sand |
| CN113603431A (en) * | 2021-09-15 | 2021-11-05 | 黄河勘测规划设计研究院有限公司 | Preparation method of waterproof toughened sandy soil consolidation agent |
| CN115572141A (en) * | 2022-10-24 | 2023-01-06 | 广东复特新型材料科技有限公司 | Gypsum self-leveling mortar |
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| CN101767971A (en) * | 2010-01-14 | 2010-07-07 | 同济大学 | Inorganic heat-preservation sand pulp with desulfurated gypsum as main gelled materials |
| CN102584156A (en) * | 2012-01-16 | 2012-07-18 | 上海英硕聚合材料股份有限公司 | Fluorgypsum based inorganic thermal mortar |
| CN103739264A (en) * | 2014-01-02 | 2014-04-23 | 同济大学 | Hydrophobic desulfurization gypsum based EPS (Expandable Polystyrene) heat preservation mortar |
| CN104649641A (en) * | 2015-02-09 | 2015-05-27 | 同济大学 | Chopped straw fiber-toughened inorganic thermal insulation mortar and using method thereof |
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2016
- 2016-03-21 CN CN201610157815.XA patent/CN105801068A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101767971A (en) * | 2010-01-14 | 2010-07-07 | 同济大学 | Inorganic heat-preservation sand pulp with desulfurated gypsum as main gelled materials |
| CN102584156A (en) * | 2012-01-16 | 2012-07-18 | 上海英硕聚合材料股份有限公司 | Fluorgypsum based inorganic thermal mortar |
| CN103739264A (en) * | 2014-01-02 | 2014-04-23 | 同济大学 | Hydrophobic desulfurization gypsum based EPS (Expandable Polystyrene) heat preservation mortar |
| CN104649641A (en) * | 2015-02-09 | 2015-05-27 | 同济大学 | Chopped straw fiber-toughened inorganic thermal insulation mortar and using method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111189A (en) * | 2018-09-22 | 2019-01-01 | 芜湖市秋华保温材料有限责任公司 | A kind of YT painting type inorganic heat preservation slurry sand |
| CN113603431A (en) * | 2021-09-15 | 2021-11-05 | 黄河勘测规划设计研究院有限公司 | Preparation method of waterproof toughened sandy soil consolidation agent |
| CN113603431B (en) * | 2021-09-15 | 2022-04-19 | 黄河勘测规划设计研究院有限公司 | Preparation method of waterproof toughened sandy soil consolidation agent |
| CN115572141A (en) * | 2022-10-24 | 2023-01-06 | 广东复特新型材料科技有限公司 | Gypsum self-leveling mortar |
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