CN107344831A - A kind of fiber reinforcement glass bead geo-polymer and preparation method thereof - Google Patents
A kind of fiber reinforcement glass bead geo-polymer and preparation method thereof Download PDFInfo
- Publication number
- CN107344831A CN107344831A CN201710673580.4A CN201710673580A CN107344831A CN 107344831 A CN107344831 A CN 107344831A CN 201710673580 A CN201710673580 A CN 201710673580A CN 107344831 A CN107344831 A CN 107344831A
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- Prior art keywords
- glass bead
- slag
- flyash
- geo
- fiber reinforcement
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- 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
- 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
-
- 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
- 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
Abstract
The invention discloses a kind of fiber reinforcement glass bead geo-polymer, it is made up of following raw material：The compound of flyash and slag, glass bead, exciting agent and reinforcing fiber.Also include a kind of preparation method of fiber reinforcement glass bead geo-polymer.The fiber reinforcement glass bead geo-polymer of the present invention, density is low, and thermal conductivity factor is low, and thermal and insulating performance is good, and intensity is high, and 28d compression strength is 7.20 7.40MPa, and 28d rupture strengths are 2.09 2.18MPa, and thermal conductivity factor is 0.2298 0.2457Wm‑1·K‑1, linear shrinkage is 0.25 0.28%；In addition, preparation technology is simple, solid waste can be largely consumed.
Description
Technical field
The present invention relates to building material technical field, more particularly to a kind of fiber reinforcement glass bead geo-polymer and its
Preparation method.
Background technology
Glass bead is led in building materials, industry, gardens, smelting etc. at present as a kind of environmental protection inorganic light heat-insulating material
There has been more application in domain.By being screened, being crushed, being heated to perlite ore, expanded, melting obtained that there is matter
Gently, the glass bead of the performance characteristics such as insulation, heat-insulated, fire prevention, ageing-resistant.Because surface vitreous forms certain granule strength,
Physicochemical property is sufficiently stable, and ageing-resistant weatherability is strong, has excellent Jue Re ﹑ Fang Huo ﹑ sound absorption qualities, is adapted to make in numerous areas
Light filling aggregate and Jue Re ﹑ Fang Huo ﹑ Xi Yin ﹑ insulation materials.
In building material industry, by the use of glass bead as aglite, the easy mobility of mortar can be improved and from anti-intensity, subtracted
Few material shrinkage factor, improves product combination property, reduces comprehensive production cost.Lightweight dry-mixed mortar (thermal-insulating type, build by laying bricks or stones type,
Wipe one's face type) in application, substitute traditional normal expanded perlite with glass bead and granular polystyrene makees dry-mixed thermal insulation mortar lightweight
Aggregate, the easy efflorescence of expanded perlite water imbibition great ﹑ is overcome, cubical contraction is big in slurry stirring, easily causes the product later stage
Phenomena such as low intensity and hollowing ftracture, while compensate for granular polystyrene organic material Yi Ran ﹑ fire protecting performance Cha ﹑ high temperature again and have
The defects of least big in evil gas and ageing-resistant weatherability Di ﹑ constructions, improve the perfect combination property of thermal insulation mortar and apply
Work performance.Relative to organic insulation material, glass bead has stable performance, ageing-resistant, and environment fitness is good, fire line
Can be prominent the features such as.Compared to expanded vermiculite, the inorganic heat insulation material such as bloating shale, float stone, mineral wool, expanded perlite then has
Good cost advantage.Therefore, glass bead has had in building structure such as wall, roofing, floor, building block, pipeline
Many application.
At present, there is the shortcomings that thermal and insulating performance deficiency more in common geo-polymer, therefore, a kind of to ensure geology
The thermal and insulating performance of material is increased substantially on the premise of polymer strength, it is used as a kind of high-performance, low cost, system
The construction material of standby simple flow, and it is expected to substitute the inorganic coagulation material of cement, not only preparation process is pollution-free, energy consumption is low,
And the green construction material that the novel low carbon of a large amount of industrial solid castoffs can be consumed be there is an urgent need to.
The content of the invention
In view of this, it is good the embodiment provides a kind of thermal and insulating performance, it can largely consume industrial solid
Discarded object, reduce the pollution to environment, effectively improve crack resistance, strengthen intensity fiber reinforcement glass bead geo-polymer and
Its preparation method.
Embodiments of the invention provide a kind of fiber reinforcement glass bead geo-polymer, are made up of following raw material：Fine coal
Compound, glass bead, exciting agent and the reinforcing fiber of ash and slag.
Further, the mass fraction of the compound of the flyash and slag is 83-87%, the mass fraction of glass bead
For 13-17%, the compound of the flyash and slag and the mass fraction sum of glass bead are 100%, the flyash
Compound and glass bead with slag are the solid constituent in raw material, and the liquid-solid ratio of the exciting agent and solid constituent is 1.0-
1.2, the quality of the reinforcing fiber is the 0.4-0.6% of solid constituent quality.
Further, the mass fraction of flyash is 70% in the compound of the flyash and slag, the quality point of slag
Number is 30%, and the flyash is fluidization bed fly ash, and the slag is granulated blast-furnace slag, the grain of the flyash and slag
Degree is more than 150 mesh.
Further, the particle diameter of the glass bead be 0.5-2mm, unit weight 60-90kg/m3, thermal conductivity factor 0.047-
0.054W·m-1·K-1, cylindrical compress strength 38%-46%, balling ratio 70%-90%.
Further, the exciting agent is made up of the raw material of following mass fraction：Sodium hydroxide 10-13%, waterglass 87-
90%；The sodium hydroxide is pure for chemistry, and purity is more than or equal to 99%, and the modulus of the waterglass is 3.1-3.4, the water glass
The content of silica is more than or equal to 26% in glass, and the content of sodium oxide molybdena is more than or equal to 8.2%.
Further, the reinforcing fiber is tensile strength ＞ 358MPa, elastic modulus G T.GT.GT 3.5GPa, 18-48 μm of diameter, pole
Limit stretching ＞ 15%, 165 DEG C of fusing point ＞ polypropylene fibre.
A kind of preparation method of fiber reinforcement glass bead geo-polymer, comprises the following steps：
S1. exciting agent is prepared, and is cooled down standby；
S2. the compound of flyash and slag is added in concrete mixer in proportion, and is stirred 1min；Add
Glass bead, 1min is mixed with the compound of flyash and slag；Exciting agent prepared by step S1 is added, is mixed
5min；Reinforcing fiber is added, mixes 3min, it is standby；
S3. the mixed raw materials of step S2 are poured among mould, sealed after jolt ramming with valve bag；
S4. it is placed in 60 DEG C of insulating boxs and conserves 24h, be stripped, continues to be put into insulating box conserving to 28d, you can obtain fibre
Dimension enhancing glass bead geology polymer material.
Further, in the step S1, the preparation method of exciting agent is：Sodium hydroxide is dissolved in waterglass, stirring is equal
Normal temperature is cooled to after even.
Compared with prior art, the invention has the advantages that：The fiber reinforcement glass bead geology of the present invention is gathered
Compound, density is low, and thermal conductivity factor is low, and thermal and insulating performance is good, and intensity is high, and 28d compression strength is 7.20-7.40MPa, 28d
Rupture strength is 2.09-2.18MPa, thermal conductivity factor 0.2298-0.2457Wm-1·K-1, linear shrinkage 0.25-
0.28%；In addition, preparation technology is simple, solid waste can be largely consumed.
Brief description of the drawings
Fig. 1 is an a kind of artwork of the preparation method of fiber reinforcement glass bead geo-polymer of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
The embodiment provides a kind of fiber reinforcement glass bead geo-polymer, it is made up of following raw material：
The mass fraction of the compound of the compound of flyash and slag, flyash and slag is 83-87%, flyash with
The mass fraction of flyash is 70% in the compound of slag, and the mass fraction of slag is 30%, and the flyash is fluid bed
Flyash, the slag are granulated blast-furnace slag, and the granularity of the flyash and slag is more than 150 mesh.
Glass bead, the mass fraction of glass bead are 13-17%, and the particle diameter of glass bead is 0.5-2mm, unit weight is
60-90kg/m3, thermal conductivity factor 0.047-0.054Wm-1·K-1, cylindrical compress strength 38%-46%, balling ratio 70%-
90%.
The mass fraction sum of the compound and glass bead of flyash and slag is 100%, the flyash and slag
Compound and glass bead be raw material in solid constituent.
The liquid-solid ratio of exciting agent, exciting agent and solid constituent is 1.0-1.2, exciting agent by following mass fraction raw material system
Into：Sodium hydroxide 10-13%, waterglass 87-90%；The sodium hydroxide is pure for chemistry, and purity is more than or equal to 99%, the water
The modulus of glass is 3.1-3.4, and the content of silica is more than or equal to 26% in the waterglass, and the content of sodium oxide molybdena is more than etc.
In 8.2%.
Reinforcing fiber, the quality of reinforcing fiber are the 0.4-0.6% of solid constituent quality, and reinforcing fiber is tensile strength ＞
358MPa, elastic modulus G T.GT.GT 3.5GPa, 18-48 μm of diameter, ultimate elongation ＞ 15%, 165 DEG C of fusing point ＞ polypropylene fibre (PP
Fiber).
Fig. 1 is refer to, a kind of preparation method of fiber reinforcement glass bead geo-polymer, is comprised the following steps：
S1. exciting agent is prepared, and is cooled down standby；The preparation method of exciting agent is：Sodium hydroxide is dissolved in waterglass, stirred
Normal temperature is cooled to after mixing uniformly；
S2. the compound of flyash and slag is added in concrete mixer in proportion, and is stirred 1min；Add
Glass bead, 1min is mixed with the compound of flyash and slag；Exciting agent prepared by step S1 is added, is mixed
5min；Reinforcing fiber is added, mixes 3min, it is standby；
S3. the mixed raw materials of step S2 are poured among mould, sealed after jolt ramming with valve bag；
S4. it is placed in 60 DEG C of insulating boxs and conserves 24h, be stripped, continues to be put into insulating box conserving to 28d, you can obtain fibre
Dimension enhancing glass bead geology polymer material (GHBs-GEO).
The fiber reinforcement glass bead geo-polymer of the present invention, low-density is low, and thermal conductivity factor is low, and thermal and insulating performance is good
Good, intensity is high, and 28d compression strength is 7.33MPa, and 28d rupture strengths are 2.16MPa, thermal conductivity factor 0.2347Wm-1·K-1, linear shrinkage 0.26%；In addition, preparation technology is simple, solid waste can be largely consumed.
Application examples 1
The formula of fiber reinforcement glass bead geo-polymer：
A kind of preparation method of fiber reinforcement glass bead geo-polymer, comprises the following steps：
S1. 0.66kg sodium hydroxides are dissolved in 5.9kg waterglass, stirred to sodium hydroxide after being completely dissolved, is cooled to
Normal temperature, the exciting agent of alkalescence is made, it is standby；
S2. 4kg flyash and 1.71kg slags are added into concrete mixer, the rubble completed with grading mixes
1min；0.85Kg glass beads are added, 1min is mixed with the compound of flyash and slag；6.56Kg exciting agents are added,
In the flyash being stirred with mixing 5min in slag compound and glass bead；Add 0.026Kg reinforcing fibers, mixing
Stir 3min；
S3. pour among mould, sealed after jolt ramming with valve bag；
S4. it is placed in 60 DEG C of insulating boxs and conserves 24h, be stripped, continues to be put into insulating box conserving to 28d, you can obtain fibre
Dimension enhancing glass bead geology polymer material.
28d compression strength 7.26MPa, 28d rupture strength 2.09MPa, thermal conductivity factor 0.2457Wm-1·K-1, linearly
Shrinkage factor is 0.28%.
Application examples 2
The formula of fiber reinforcement glass bead geo-polymer：
A kind of preparation method of fiber reinforcement glass bead geo-polymer, comprises the following steps：
S1. 0.96kg sodium hydroxides are dissolved in 6.42kg waterglass, stirred to sodium hydroxide after being completely dissolved, is cooled to
Normal temperature, the exciting agent of alkalescence is made, it is standby；
S2. 4kg flyash and 1.71kg slags are added into concrete mixer, the rubble completed with grading mixes
1min；1Kg glass beads are added, 1min is mixed with the compound of flyash and slag；7.38Kg exciting agents are added, are being stirred
5min is mixed in the flyash and the compound of slag and glass bead mixed；0.033Kg reinforcing fibers are added, mixing is stirred
Mix 3min；
S3. pour among mould, sealed after jolt ramming with valve bag；
S4. it is placed in 60 DEG C of insulating boxs and conserves 24h, be stripped, continues to be put into insulating box conserving to 28d, you can obtain fibre
Dimension enhancing glass bead geology polymer material.
28d compression strength 7.34MPa, 28d rupture strength 2.16MPa, thermal conductivity factor 0.2353Wm-1·K-1, linearly
Shrinkage factor is 0.26%.
Application examples 3
The formula of fiber reinforcement glass bead geo-polymer
A kind of preparation method of fiber reinforcement glass bead geo-polymer, comprises the following steps：
S1. 1.07kg sodium hydroxides are dissolved in 7.19kg waterglass, stirred to sodium hydroxide after being completely dissolved, is cooled to
Normal temperature, the exciting agent of alkalescence is made, it is standby；
S2. 4kg flyash and 1.71kg slags are added into concrete mixer, the rubble completed with grading mixes
1min；1.17Kg glass beads are added, 1min is mixed with the compound of flyash and slag；8.26Kg exciting agents are added,
5min is mixed in the flyash and the compound of slag and glass bead being stirred；0.041Kg is added to increase
Strong fiber, mix 3min；
S3. pour among mould, sealed after jolt ramming with valve bag；
S4. it is placed in 60 DEG C of insulating boxs and conserves 24h, be stripped, continues to be put into insulating box conserving to 28d, you can obtain fibre
Dimension enhancing glass bead geology polymer material.
28d compression strength 7.39MPa, 28d rupture strength 2.18MPa, thermal conductivity factor 0.2298Wm-1·K-1, linearly
Shrinkage factor is 0.254%.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of fiber reinforcement glass bead geo-polymer, it is characterised in that be made up of following raw material：Flyash and slag
Compound, glass bead, exciting agent and reinforcing fiber.
2. fiber reinforcement glass bead geo-polymer according to claim 1, it is characterised in that the flyash and ore deposit
The mass fraction of the compound of slag is 83-87%, and the mass fraction of glass bead is 13-17%, the flyash and slag
The mass fraction sum of compound and glass bead is 100%, and the compound and glass bead of the flyash and slag are original
Solid constituent in material, the liquid-solid ratio of the exciting agent and solid constituent is 1.0-1.2, and the quality of the reinforcing fiber is solid
The 0.4-0.6% of composition quality.
3. fiber reinforcement glass bead geo-polymer according to claim 1 or 2, it is characterised in that the flyash
Mass fraction with flyash in the compound of slag is 70%, and the mass fraction of slag is 30%, and the flyash is fluidisation
Bed coal ash, the slag are granulated blast-furnace slag, and the granularity of the flyash and slag is more than 150 mesh.
4. fiber reinforcement glass bead geo-polymer according to claim 1 or 2, it is characterised in that the vitreous is micro-
The particle diameter of pearl is 0.5-2mm, unit weight 60-90kg/m3, thermal conductivity factor 0.047-0.054Wm-1·K-1, cylindrical compress strength be
38%-46%, balling ratio 70%-90%.
5. fiber reinforcement glass bead geo-polymer according to claim 1 or 2, it is characterised in that the exciting agent
It is made up of the raw material of following mass fraction：Sodium hydroxide 10-13%, waterglass 87-90%；The sodium hydroxide is pure for chemistry,
Purity is more than or equal to 99%, and the modulus of the waterglass is 3.1-3.4, and the content of silica is more than or equal in the waterglass
26%, the content of sodium oxide molybdena is more than or equal to 8.2%.
6. fiber reinforcement glass bead geo-polymer according to claim 1 or 2, it is characterised in that the enhancing is fine
Tie up as tensile strength ＞ 358MPa, elastic modulus G T.GT.GT 3.5GPa, 18-48 μm of diameter, ultimate elongation ＞ 15%, 165 DEG C of fusing point ＞
Polypropylene fibre.
7. a kind of preparation method of fiber reinforcement glass bead geo-polymer, it is characterised in that comprise the following steps：
S1. exciting agent is prepared, and is cooled down standby；
S2. the compound of flyash and slag is added in concrete mixer in proportion, and is stirred 1min；Add vitreous
Microballon, 1min is mixed with the compound of flyash and slag；Exciting agent prepared by step S1 is added, mixes 5min；
Reinforcing fiber is added, mixes 3min, it is standby；
S3. the mixed raw materials of step S2 are poured among mould, sealed after jolt ramming with valve bag；
S4. it is placed in 60 DEG C of insulating boxs and conserves 24h, be stripped, continue to be put into insulating box conserving to 28d, you can obtains fiber increasing
Strong glass bead geology polymer material.
8. the preparation method of fiber reinforcement glass bead geo-polymer according to claim 7, it is characterised in that described
In step S1, the preparation method of exciting agent is：Sodium hydroxide is dissolved in waterglass, normal temperature is cooled to after stirring.
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| CN201710673580.4A CN107344831A (en) | 2017-08-09 | 2017-08-09 | A kind of fiber reinforcement glass bead geo-polymer and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231958A (en) * | 2018-11-20 | 2019-01-18 | 华北理工大学 | Self-insulating brick materials for wall and preparation method thereof |
| CN113501684A (en) * | 2021-07-22 | 2021-10-15 | 武汉大学 | Light high-ductility geopolymer material and preparation method thereof |
| CN114716262A (en) * | 2022-03-08 | 2022-07-08 | 金小阳 | Building ground heat preservation sound insulation aggregate bead |
| CN115784669A (en) * | 2022-12-02 | 2023-03-14 | 中建材玻璃新材料研究院集团有限公司 | Preparation method of glass bead geopolymer-based porous heat insulation material |
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| 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 |
| CN104276793A (en) * | 2014-09-16 | 2015-01-14 | 中国矿业大学(北京) | Ceramsite-fly ash fireproof thermal insulation material and preparation method of ceramsite-fly ash fireproof thermal insulation material |
| CN104310865A (en) * | 2014-09-16 | 2015-01-28 | 中国矿业大学(北京) | Glazed hollow bead-fly ash fireproof heat insulation material and its preparation method |
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2017
- 2017-08-09 CN CN201710673580.4A patent/CN107344831A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104276793A (en) * | 2014-09-16 | 2015-01-14 | 中国矿业大学(北京) | Ceramsite-fly ash fireproof thermal insulation material and preparation method of ceramsite-fly ash fireproof thermal insulation material |
| CN104310865A (en) * | 2014-09-16 | 2015-01-28 | 中国矿业大学(北京) | Glazed hollow bead-fly ash fireproof heat insulation material and its preparation method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231958A (en) * | 2018-11-20 | 2019-01-18 | 华北理工大学 | Self-insulating brick materials for wall and preparation method thereof |
| CN113501684A (en) * | 2021-07-22 | 2021-10-15 | 武汉大学 | Light high-ductility geopolymer material and preparation method thereof |
| CN114716262A (en) * | 2022-03-08 | 2022-07-08 | 金小阳 | Building ground heat preservation sound insulation aggregate bead |
| CN115784669A (en) * | 2022-12-02 | 2023-03-14 | 中建材玻璃新材料研究院集团有限公司 | Preparation method of glass bead geopolymer-based porous heat insulation material |
| CN115784669B (en) * | 2022-12-02 | 2023-07-28 | 中建材玻璃新材料研究院集团有限公司 | Preparation method of glass bead geopolymer-based porous heat insulation material |
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Application publication date: 20171114 |