CN102180606B - Geopolymer-like cement and preparation method thereof - Google Patents
Geopolymer-like cement and preparation method thereof Download PDFInfo
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- CN102180606B CN102180606B CN2011100501942A CN201110050194A CN102180606B CN 102180606 B CN102180606 B CN 102180606B CN 2011100501942 A CN2011100501942 A CN 2011100501942A CN 201110050194 A CN201110050194 A CN 201110050194A CN 102180606 B CN102180606 B CN 102180606B
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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
- C04B28/006—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 mineral polymers, e.g. geopolymers of the Davidovits type
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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
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/005—Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
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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
- 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
- C04B20/02—Treatment
- C04B20/04—Heat treatment
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- 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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- General Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
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- Environmental & Geological Engineering (AREA)
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to geopolymer-like cement and a preparation method thereof. The geopolymer-like cement is prepared from the following components by weight percent: 62-73wt% of stone coal vanadium tailings, 5-10wt% of solid alkali metal hydroxide, 7-11wt% of solid sodium aluminate, 8-16wt% of superfine activated microsilica and 6-13wt% of metakaolin. The preparation method comprises the following steps: adding the solid alkali metal hydroxide in the stone coal vanadium tailings, stirring, performing dry ball milling and calcining; adding the solid sodium aluminate, the superfine activated microsilica and the metakaolin in the calcined mixture, stirring, and performing dry ball milling, so as to prepare the finished geopolymer-like cement; and when in use, adding water in the finished cement, stirring and simultaneously grouting so that hardened slurry is formed at room temperature. According to the invention, the operation is simple, the cost is low, and the chemical corrosion degree on containers and human bodies is low; the hardened slurry of the prepared geopolymer-like cement has the advantages of high compression strength and folding strength, strong resistance to sulfate etching, water etching and alkali-aggregate reaction and good air shrinkage.
Description
Technical field
The invention belongs to the geopolymer technical field, be specifically related to kind geopolymer cement and preparation method thereof.
Background technology
Along with the mankind to continually developing of resource and continually strengthening of environmental consciousness; The total development trend of following material is for progressively by non-metallic material alternative metals material partly; And in non-metallic material, inorganic materials will replace organic materials in a lot of fields more and more.Preparing nontoxic, high temperature resistant, high-intensity inorganic materials by the extremely abundant and inexpensive inorganic mineral of standing stock is one of important directions of world today's materialogy research.Geopolymer is one type of novel high-performance inorganic polymer materials, is one type that alkali activates in the gelling material tool future.The unique properties of geopolymer all demonstrates great application prospect at aspects such as material of construction, solid waste materials, sealing material and high temperature materials.
In the domestic process of preparation of the ground polymer, typically by metakaolin, fly ash and other active substance Si-Al material in solution alkaline activating agent (such as sodium hydroxide, potassium hydroxide, sodium silicate, potassium, etc.) under the formation of a certain strength, and a three-dimensional inorganic polymer network structure(Xu Yu Ching, Qi quarter, in Hao A new preparation method to polymeric materials[P].CN?200710003404.6，2007；S.Andini，R.Cioffi，F.Colangelo，et?al.Coal?fly?ashas?raw?material?for?the?manufacture?of?geopolymer-based?products[J].Waste?Management，2008，28：416～423), Is the "ground polymer."Because its production process has been avoided production ordinary Portland cement that kind and has been needed the mass consumption resource and the energy, does not discharge CO basically
2, and can be raw material with depleted solid silicon alumina in the industrial production, thereby the geopolymer material has caused increasing investigation of materials person's concern.But in traditional preparation geopolymer technology, comprise " preparation alkali activating agent solution " this step; Owing to have toughness and alkaline alkali activating agent solution all is prone to cause chemical corrosion to container containing and human body; And to prepare the alkali activating agent solution process loaded down with trivial details temporarily, adds that again the add-on of water and solid alkali exciting agent does not have unified standard to different sial starting material; So this brings very big difficulty for virtually the large scale application of geopolymer.
Summary of the invention
The present invention is intended to overcome the prior art defective, the class geopolymer cement that purpose provides that a kind of technology is simple, cost is low and the preparation method of hardened paste thereof; With the class geopolymer cement of this method preparation can reduce greatly produce and use in chemical corrosion degree that container and human body are caused; And the ultimate compression strength of hardened paste and folding strength are high; Strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, anti-drying shrinkage is good.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is that the component and the content thereof of type geopolymer cement are:
Extracting vanadium from stone coal mine tailing 62～73wt%;
Solid alkali metal oxyhydroxide 5～10wt%;
Solid sodium aluminate 7～11wt%;
Superfine active SILICA FUME 8～16wt%;
Metakaolin 6～13wt%;
By said components and content thereof, the preparation process of such geopolymer cement is:
The first step, in the extracting vanadium from stone coal mine tailing, add solid alkali metal oxyhydroxide, mechanical stirring 5～10 minutes placed the ball mill dry ball milling 10～15 minutes again, made the ball milling material;
Second step, the ball milling material is put into retort furnace calcine, temperature is 300～600 ℃; Be incubated 2～4 hours, make the calcining material;
The 3rd goes on foot, will calcine and expect to place under the room temperature to cool off, and to wherein adding solid sodium aluminate, superfine active SILICA FUME and metakaolin, mechanical stirring 5～10 minutes makes compound then;
The 4th the step, compound was put into the ball mill dry ball milling 10～15 minutes, type of making geopolymer cement.
In technique scheme: SiO in the extracting vanadium from stone coal mine tailing
2Content be 65～85wt%, Al
2O
3Content be 5～20wt%; Particle diameter is less than 0.074mm; Solid alkali metal oxyhydroxide is sodium hydroxide or for Pottasium Hydroxide or be the mixture of sodium hydroxide and Pottasium Hydroxide; SiO in the superfine active SILICA FUME
2Content be more than 95%, the BET specific surface area is 20～40m
2/ g; SiO in the metakaolin
2Content be 50～55wt%, Al
2O
3Content be 42～47wt%.
The preparation method of the hardened paste of described type geopolymer cement is, in prepared type of geopolymer cement, adds entry, and water is 1 with type mass ratio of geopolymer cement: (2～3), stir on the limit, and the marginal not slurry at room temperature forms hardened paste.
Owing to adopt technique scheme, the present invention adopts depleted extracting vanadium from stone coal mine tailing to be main raw material using of raw material, has not only solved the stacking problem of extracting vanadium from stone coal mine tailing, and has widened the raw material sources of preparation geopolymer cement.Technology of the present invention is simple, in the preparation process, saves " preparation alkali activating agent solution " this step, thereby the chemical corrosion degree that container containing and human body cause is reduced greatly.
The prepared class geopolymer cement of the present invention can be deposited as ordinary Portland cement before use; Only need to add a certain amount of water in use and just can form the hardened paste of similar in geopolymer; Simple to operate, 3 days ultimate compression strength of hardened paste can reach more than the 30MPa, and folding strength can reach more than the 4.5MPa in 3 days; Ultimate compression strength can reach more than the 50MPa in 28 days; Folding strength can reach more than the 8.5MPa in 28 days, and strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, and anti-drying shrinkage is good.
Therefore; The low characteristics of chemical corrosion degree that the present invention has is simple to operate, cost is low and container containing and human body are caused; The hardened paste of prepared class geopolymer cement is ultimate compression strength and folding strength height not only; And strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, anti-drying shrinkage is good.
Embodiment
Below in conjunction with embodiment the present invention being done further description, is not the restriction to its protection domain:
For avoiding repetition, earlier with this embodiment the raw material unification that will relate to be described below: SiO in the extracting vanadium from stone coal mine tailing
2Content be 65～85wt%, Al
2O
3Content be 5～20wt%, particle diameter is less than 0.074mm; SiO in the superfine active SILICA FUME
2Content be more than 95%, the BET specific surface area is 20～40m
2/ g; SiO in the metakaolin
2Content be 50～55wt%, Al
2O
3Content be 42～47wt%.Repeat no more in the specific embodiment.
Embodiment 1
One kind geopolymer cement and preparation method thereof.The component and the content thereof of class geopolymer cement are:
Extracting vanadium from stone coal mine tailing 62～68wt%;
Solid sodium hydroxide 5～7wt%;
Solid sodium aluminate 9～11wt%;
Superfine active SILICA FUME 8～12wt%;
Metakaolin 6～9wt%;
By said components and content thereof, the preparation process of such geopolymer cement is:
The first step, in the extracting vanadium from stone coal mine tailing, add solid sodium hydroxide, mechanical stirring 5～10 minutes placed the ball mill dry ball milling 10～15 minutes again, made the ball milling material;
Second step, the ball milling material is put into retort furnace calcine, temperature is 300～400 ℃; Be incubated 3～4 hours, make the calcining material;
The 3rd goes on foot, will calcine and expect to place under the room temperature to cool off, and to wherein adding solid sodium aluminate, superfine active SILICA FUME and metakaolin, mechanical stirring 5～10 minutes makes compound then;
The 4th the step, compound was put into the ball mill dry ball milling 10～15 minutes, type of making geopolymer cement.
The preparation method of the hardened paste of described type geopolymer cement is, in prepared type of geopolymer cement, adds entry, and water is 1 with type mass ratio of geopolymer cement: (2～3), stir on the limit, and the marginal not slurry at room temperature forms hardened paste.
Present embodiment is low to chemical corrosion degree that container containing and human body cause in operating process; 3 days ultimate compression strength of hardened paste can reach more than the 30MPa; Folding strength can reach more than the 4.5MPa in 3 days, and ultimate compression strength can reach more than the 50MPa in 28 days, and folding strength can reach more than the 8.5MPa in 28 days; And strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, anti-drying shrinkage is good.
Embodiment 2
One kind geopolymer cement and preparation method thereof.The component and the content thereof of class geopolymer cement are:
Extracting vanadium from stone coal mine tailing 68～73wt%;
Solid potassium hydroxide 5～7wt%;
Solid sodium aluminate 7～9wt%;
Superfine active SILICA FUME 8～12wt%;
Metakaolin 6～9wt%;
By said components and content thereof, the preparation process of such geopolymer cement is:
The first step, in the extracting vanadium from stone coal mine tailing, add solid potassium hydroxide, mechanical stirring 5～10 minutes placed the ball mill dry ball milling 10～15 minutes again, made the ball milling material;
Second step, the ball milling material is put into retort furnace calcine, temperature is 400～500 ℃; Be incubated 3～4 hours, make the calcining material;
The 3rd goes on foot, will calcine and expect to place under the room temperature to cool off, and to wherein adding solid sodium aluminate, superfine active SILICA FUME and metakaolin, mechanical stirring 5～10 minutes makes compound then;
The 4th the step, compound was put into the ball mill dry ball milling 10～15 minutes, type of making geopolymer cement.
The preparation method of the hardened paste of described type geopolymer cement is, in prepared type of geopolymer cement, adds entry, and water is 1 with type mass ratio of geopolymer cement: (2～3), stir on the limit, and the marginal not slurry at room temperature forms hardened paste.
Present embodiment is low to chemical corrosion degree that container containing and human body cause in operating process; 3 days ultimate compression strength of hardened paste can reach more than the 33MPa; Folding strength can reach more than the 5MPa in 3 days, and ultimate compression strength can reach more than the 55MPa in 28 days, and folding strength can reach more than the 9MPa in 28 days; And strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, anti-drying shrinkage is good.
Embodiment 3
One kind geopolymer cement and preparation method thereof.The component and the content thereof of class geopolymer cement are:
Extracting vanadium from stone coal mine tailing 62～68wt%;
Mixture 5～the 7wt% of solid sodium hydroxide and solid potassium hydroxide;
Solid sodium aluminate 7～9wt%;
Superfine active SILICA FUME 12～16wt%;
Metakaolin 6～9wt%;
By said components and content thereof, the preparation process of such geopolymer cement is:
The first step, in the extracting vanadium from stone coal mine tailing, add the mixture of solid sodium hydroxide and solid potassium hydroxide, mechanical stirring 5～10 minutes placed the ball mill dry ball milling 10～15 minutes again, made the ball milling material;
Second step, the ball milling material is put into retort furnace calcine, temperature is 500～600 ℃; Be incubated 2～3 hours, make the calcining material;
The 3rd goes on foot, will calcine and expect to place under the room temperature to cool off, and to wherein adding solid sodium aluminate, superfine active SILICA FUME and metakaolin, mechanical stirring 5～10 minutes makes compound then;
The 4th the step, compound was put into the ball mill dry ball milling 10～15 minutes, type of making geopolymer cement.
The preparation method of the hardened paste of described type geopolymer cement is, in prepared type of geopolymer cement, adds entry, and water is 1 with type mass ratio of geopolymer cement: (2～3), stir on the limit, and the marginal not slurry at room temperature forms hardened paste.
Present embodiment is low to chemical corrosion degree that container containing and human body cause in operating process; 3 days ultimate compression strength of hardened paste can reach more than the 35MPa; Folding strength can reach more than the 5.5MPa in 3 days, and ultimate compression strength can reach more than the 57MPa in 28 days, and folding strength can reach more than the 9.5MPa in 28 days; And strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, anti-drying shrinkage is good.
Embodiment 4
One kind geopolymer cement and preparation method thereof.The component and the content thereof of class geopolymer cement are:
Extracting vanadium from stone coal mine tailing 62～68wt%;
Mixture 7～the 10wt% of solid sodium hydroxide and solid potassium hydroxide;
Solid sodium aluminate 7～9wt%;
Superfine active SILICA FUME 8～12wt%;
Metakaolin 9～13wt%;
By said components and content thereof, the preparation method of the preparation process of type geopolymer cement and hardened paste thereof is with embodiment 3 in the present embodiment
Present embodiment is low to chemical corrosion degree that container containing and human body cause in operating process; 3 days ultimate compression strength of hardened paste can reach more than the 35MPa; Folding strength can reach more than the 5MPa in 3 days, and ultimate compression strength can reach more than the 55MPa in 28 days, and folding strength can reach more than the 9.5MPa in 28 days; And strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, anti-drying shrinkage is good.
Embodiment 5
One kind geopolymer cement and preparation method thereof.The component and the content thereof of class geopolymer cement are:
Extracting vanadium from stone coal mine tailing 68～73wt%;
Mixture 5～the 7wt% of solid sodium hydroxide and solid potassium hydroxide;
Solid sodium aluminate 7～9wt%;
Superfine active SILICA FUME 8～12wt%;
Metakaolin 6～9wt%.
By said components and content thereof, the preparation method of the preparation process of type geopolymer cement and hardened paste thereof is with embodiment 3 in the present embodiment.
Present embodiment is low to chemical corrosion degree that container containing and human body cause in operating process; 3 days ultimate compression strength of hardened paste can reach more than the 30MPa; Folding strength can reach more than the 4.5MPa in 3 days, and ultimate compression strength can reach more than the 50MPa in 28 days, and folding strength can reach more than the 8.5MPa in 28 days; And strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, anti-drying shrinkage is good.
This embodiment adopts depleted extracting vanadium from stone coal mine tailing to be main raw material using of raw material, has not only solved the stacking problem of extracting vanadium from stone coal mine tailing, and has widened the raw material sources of preparation geopolymer cement.This embodiment technology is simple, in the preparation process, saves " preparation alkali activating agent solution " this step, thereby the chemical corrosion degree that container containing and human body cause is reduced greatly.
The prepared class geopolymer cement of this embodiment can be deposited as ordinary Portland cement before use; Only need to add a certain amount of water in use and just can form the hardened paste of similar in geopolymer; Simple to operate, 3 days ultimate compression strength of hardened paste can reach more than the 30MPa, and folding strength can reach more than the 4.5MPa in 3 days; Ultimate compression strength can reach more than the 50MPa in 28 days; Folding strength can reach more than the 8.5MPa in 28 days, and strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, and anti-drying shrinkage is good.
Therefore; The low characteristics of chemical corrosion degree that this embodiment has is simple to operate, cost is low and container containing and human body are caused; The hardened paste of prepared class geopolymer cement is ultimate compression strength and folding strength height not only; And strong to vitriol etch, water logging erosion, alkali-aggregate reaction resistibility, anti-drying shrinkage is good.
Claims (6)
1. the preparation method of a kind geopolymer cement is characterized in that the component of such geopolymer cement and content thereof are:
The preparation process of such geopolymer cement is to press said components and content thereof:
The first step, in the extracting vanadium from stone coal mine tailing, add solid alkali metal oxyhydroxide, mechanical stirring 5 ~ 10 minutes placed the ball mill dry ball milling 10 ~ 15 minutes again, made the ball milling material;
Second step, the ball milling material is put into retort furnace calcine, temperature is 300 ~ 600 ℃; Be incubated 2 ~ 4 hours, make the calcining material;
The 3rd goes on foot, will calcine and expect to place under the room temperature to cool off, and to wherein adding solid sodium aluminate, superfine active SILICA FUME and metakaolin, mechanical stirring 5 ~ 10 minutes makes compound then;
The 4th the step, compound was put into the ball mill dry ball milling 10 ~ 15 minutes, type of making geopolymer cement;
SiO in the described extracting vanadium from stone coal mine tailing
2Content be 65 ~ 85wt%, Al
2O
3Content be 5 ~ 20wt%; Particle diameter is less than 0.074mm.
2. the preparation method of type geopolymer cement according to claim 1 is characterized in that described solid alkali metal oxyhydroxide is sodium hydroxide or for Pottasium Hydroxide or be the mixture of sodium hydroxide and Pottasium Hydroxide.
3. the preparation method of according to claim 1 type of geopolymer cement is characterized in that SiO in the described superfine active SILICA FUME
2Content be more than 95%, the BET specific surface area is 20 ~ 40m
2/ g.
4. the preparation method of according to claim 1 type of geopolymer cement is characterized in that SiO in the described metakaolin
2Content be 50 ~ 55wt%, Al
2O
3Content be 42 ~ 47wt%.
5. according to the prepared class geopolymer cement of the preparation method of each the described type of geopolymer cement in the claim 1～4.
6. the hardened paste preparation method of the prepared class geopolymer cement of the preparation method of said type of geopolymer cement of a claim 1; It is characterized in that in prepared type of geopolymer cement, adding entry; Water is 1 with type mass ratio of geopolymer cement: (2 ~ 3); Stir on the limit, and the marginal not slurry at room temperature forms hardened paste.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103319143B (en) * | 2013-06-07 | 2016-04-13 | 中国地质大学（武汉） | A kind of potash feldspar tailings is non-burning brick and preparation method thereof |
| CN103951361B (en) * | 2014-04-15 | 2015-10-07 | 商洛学院 | A kind of preparation method mixing the inorganic foamed building thermal insulation material of vanadium mine tailing |
| CN103964768B (en) * | 2014-05-04 | 2016-06-15 | 临沧师范高等专科学校 | The geopolymer and preparation method thereof being primary raw material with brown coal germanium tailings |
| CN104003632B (en) * | 2014-06-13 | 2016-05-04 | 福州大学 | A kind of method of utilizing Pb-Zn tailings to prepare geopolymer |
| CN105565691B (en) * | 2015-12-21 | 2017-10-20 | 燕京理工学院 | A kind of lead-zinc smelting slag-based geopolymer binder materials and preparation method thereof |
| CN105776986B (en) * | 2016-03-18 | 2018-02-16 | 温州大学 | Green cement class binder materials and preparation method thereof |
| CN106277862A (en) * | 2016-08-16 | 2017-01-04 | 武汉理工大学 | A kind of method utilizing extracting vanadium from stone coal acid leaching residue to prepare geopolymer |
| CN106542752B (en) * | 2016-10-19 | 2018-08-31 | 长安大学 | A kind of poly- cement material of soil and preparation method thereof |
| JP7132569B2 (en) * | 2018-08-01 | 2022-09-07 | 三菱マテリアル株式会社 | Geopolymer solidification material, geopolymer solidification method |
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| CN1762884A (en) * | 2005-08-22 | 2006-04-26 | 严素玲 | Geopolymer dry powder regenerated polystyrene heat preservation and heat insulating mortar |
| CN101012111A (en) * | 2007-02-05 | 2007-08-08 | 徐宇晴 | Method of preparing geopolymer material |
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|---|---|---|---|---|
| CN1762884A (en) * | 2005-08-22 | 2006-04-26 | 严素玲 | Geopolymer dry powder regenerated polystyrene heat preservation and heat insulating mortar |
| CN101012111A (en) * | 2007-02-05 | 2007-08-08 | 徐宇晴 | Method of preparing geopolymer material |
| CN101275425A (en) * | 2008-04-28 | 2008-10-01 | 北京航空航天大学 | High durability inorganic gel material surface layer sheet material and construction method thereof |
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