CN100551867C - Short fibre reinforcing inorganic silicon-aluminum polymer composite material - Google Patents
Short fibre reinforcing inorganic silicon-aluminum polymer composite material Download PDFInfo
- Publication number
- CN100551867C CN100551867C CNB2007101314044A CN200710131404A CN100551867C CN 100551867 C CN100551867 C CN 100551867C CN B2007101314044 A CNB2007101314044 A CN B2007101314044A CN 200710131404 A CN200710131404 A CN 200710131404A CN 100551867 C CN100551867 C CN 100551867C
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- CN
- China
- Prior art keywords
- composite material
- polymer composite
- strength
- inorganic silicon
- alkali
- 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
- C04B20/0048—Fibrous materials
-
- 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
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0004—Compounds chosen for the nature of their cations
-
- 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
Abstract
Short fibre reinforcing inorganic silicon-aluminum polymer composite material is that a kind of high performance staple fibers that is used for civil engineering work, aerospace field strengthens inorganic silicon-aluminum polymer composite material, each component and mass percent thereof are: active aluminum silicon materials 10.7～35.7%, flyash 1.0～17.9%, slag 1.0～25%, alkali-activator 2.9～9.6%, sand 42.8～54.7%, staple fibre 0.02～3.6%.The present invention have starting material wide material sources, preparation easy to process, be suitable for scale operation, advantage with low cost, eco-friendly, its adhesive property is good simultaneously, mechanical strength is high, shrinking percentage is low, high temperature resistant, corrosion-resistant.
Description
Technical field
What the present invention relates to is a kind of inorganic polymer base composite material, concretely, relate to and be used for aero seat, luggage bearing frame, the fire-resistant lining of buildings, civil engineering work privileged sites load larrying member etc., purpose is to obtain the fiber reinforcement organic polymer composite, to reduce because accident causes the danger of macromolecular material incendiary.Be mainly used in civil engineering work, aerospace field.
Background technology
The inorganic silicon-aluminum polymer material is a kind of novel no calcium based inorganic polymer material, and molecule constitutes the inorganic SiO that the unit is mainly similar pottery and cement
4And AlO
4Tetrahedron, but do not contain CaO, molecular structure is the tridimensional network that is similar to organic high molecular polymer.Therefore, inorganic silicon-aluminum polymer has organic polymer, pottery and cement characteristics concurrently, have excellent physics, mechanics and endurance quality, its at civil engineering work, aerospace, heavy metal or nuke rubbish, anti-fire is high temperature resistant etc., and the field has broad application prospects, it will become and replace silicate cement, low-temp ceramics and strong rival of organic polymer material.
Through being retrieved, existing literature finds, U.S. Richard E.Lyon, P.N.Balaguru etc. are at " Fire andMaterials " the 21st volume, 1997, P 67-73 writes articles " Fire-resistant Aluminosilicate Composites ", this article has been developed the inorganic inorganic polymer composite material of a kind of fiber reinforcement in the laboratory, but the main raw material(s) that this kind inorganic polymer composite material uses is pure metakaolin and expensive silicon carbide fiber or carbon fiber, simultaneously in order to make product have advantages of higher tensile strength and toughness, the fiber volume volume is up to 50-55%, synthesis temperature is 80-100 ℃ of scope, operating pressure 0.3MPa causes product cost very high.In addition, because fibers content is very high, have to adopt some manual specially-shaped method such as SIFCON methods, Hatschek method, Spray suction method, Vacuum bag method, working efficiency is lower, and the product performance fluctuation is bigger, and quality is difficult to obtain assurance.These all bring great difficulty to the commercialization of inorganic silicon-aluminum polymer composite material.Therefore, develop and produce low cost, high-performance and be suitable for the inorganic silicon-aluminum polymer composite material of large-scale production, have important practical significance and actual application value.
Summary of the invention:
The objective of the invention is at the deficiencies in the prior art and defective, utilize extrusion forming technology, by introducing the cheap natural or artificial active silica-alumina material of staple fibre and admixture (wait partly or entirely replace the more expensive metakaolin of price as flyash, slag, coal gangue, silicon ash, rice hull ash) method, prepare short fibre reinforcing inorganic silicon-aluminum polymer composite material high-strength, high-ductility.
The present invention comprehensively adopts approach that fiber reinforcement technology, extrusion forming technology and alkali shooting techniques combine to realize high-strength, high-ductility, fire prevention and resistant to elevated temperatures characteristic.Staple fibre strengthens no calcium sal extruding composite material to be made up of six big components, and its ratio is:
Active aluminum silicon materials 10.7～35.7%
Flyash 1.0～17.9%
Slag 1.0～25%
Alkali-activator 2.9～9.6%
Fine aggregate 42.8～54.7%
Staple fibre 0.02～3.6%
1, active aluminum silicon materials: with the calcined kaolin is the inorganic materials of main component, its SiO of major control
2And Al
2O
3Content and fineness.Concrete controlling index sees Table 1, and technological process mainly comprises fragmentation, calcining, insulation and grinding, and calcining temperature is 600-900 ℃.
The controlling index table 1 of component 1
2, flyash: fuel-burning power plant industry byproduct.Require CaO content≤15% of material therefor, Al
2O
3Content 〉=20%, loss on ignition≤10%, specific surface area 〉=300m
2/ kg.
3, slag: iron work industry byproduct.Require the specific surface area 〉=300m of material therefor
2/ kg.
4, alkali-activator: form by commercially available industrial alkaline matter and commercially available water glass.Commercially available industrial alkaline matter is as LiOH, NaOH, KOH, Mg (OH)
2, Ca (OH)
2, CaSO
4, Na
2SO
4, Na
2CO
3, K
2CO
3, NaHCO
3, KHCO
3And the mixture between them; Commercially available water glass as sodium silicate, potash water glass and composition thereof, requires the SiO of water glass
2: M
2O 〉=1.0 (M represents Na or K), solid content 〉=30%.
5, fine aggregate:, require the fineness≤5mm of material therefor as river sand, yellow ground, quartz sand, ceramic particle etc.
6, staple fibre: organic and inorganic or metallic staple as metal and nonmetal resistant to elevated temperatures high strength and high flexibility modulus fibres such as steel fiber, basalt fibre, ceramic fiber, carbon fibers, requires staple length at 5-20mm.
Beneficial effect: compare with domestic and international similar technology, this achievement has following characteristic: mixing fiber is staple fibre and volume less (the volume volume is 0.5%-2%), compare the used big volume of external close product (the volume volume is 30%-60%) macrofiber, its production technique is simple, preparation cost can reduce more than 10 times; Preparation technology is extrusion molding, simple to operate, steady quality, be suitable for the continuous large-scale suitability for industrialized production, and bond, obtain high-intensity matrix by the interface of pushing between porosity, raising fiber and the matrix that can obviously reduce matrix, also can make fiber along direction of extrusion directional profile simultaneously, improve ductility, the impact property of body material significantly in the vertical fibers direction; Adopt alumina-silica waste residue (as flyash, silicon ash, rice hull ash etc.) partly or entirely to replace expensive metakaolin, and utilize SiO in the alkaline excitation technology complex excitation alumina-silica waste residue
2And Al
2O
3Activity, prepare high-strength inorganic aluminium silicon polymer matrix; That the above-mentioned technology of integrated use is prepared is high-strength, the inorganic aluminium silicon polymer base fiber extruding composite material plate of high-ductility.Still do not have this series products both at home and abroad, every performance index all meet or exceed external like product, and technical economic benefit is obvious.
Embodiment
Provide following examples in conjunction with content of the present invention:
It is to be mixed by a certain percentage by metakaolin, active no calcium sal powder material, commercially available industrial alkaline matter, commercial water glass, staple fibre, fine aggregate and water to form that high performance staple fibers strengthens inorganic silicon-aluminum polymer composite material, according to application need, by adjusting the invention prescription, can obtain needed performance.
Preparation method of the present invention is: (1) takes by weighing powder materials such as required metakaolin, active no calcium sal powder material, staple fibre and fine aggregate by formula rate, dried stirring 1 minute mixes them equably; (2) take by weighing alkaline matter, water glass and water by formula rate then, it is mixed in container, leave standstill until basic solution and reach room temperature; (3) basic solution for preparing is slowly joined the powder that mixes, in stirrer, stirred slowly 3 minutes, adopted the high shear mode high-speed stirring afterwards 1 minute, form dough-like; (4) doughy slurry is fed in the extrusion machine feeding warehouse, through extrusion machine further stir, get rid of bubble, the extruding closely knit after, slurry is extruded from hollow extrusion die plate inner chamber; (5) be that 22 ℃, relative humidity are that 95% mark is supported indoor maintenance 28 days in the inorganic polymer composite material surface cover layer of plastic film of extruding to stop the evaporation of moisture, to put it to temperature behind the 24h, be cut into the product of specified dimension then with cutting machine.
Embodiment 1:
Metakaolin 35.7%
Flyash 1.0%
Slag 1.0%
Alkali-activator 9.6%
Sand 54.7%
PVA staple fibre 0.02%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 32.1MPa, folding strength (28 days) 5.1MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 30.5%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 15.2%
Embodiment 2:
Metakaolin 35.7%
Flyash 1.0%
Slag 1.0%
Alkali-activator 9.6%
Sand 54.7%
PVA staple fibre 0.045%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 38.5MPa, folding strength (28 days) 12.8MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 25.6%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 14.2%
Embodiment 3:
Metakaolin 35.7%
Flyash 1.0%
Slag 1.0%
Alkali-activator 9.6%
Sand 54.6%
PVA staple fibre 0.09%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 41.7MPa, folding strength (28 days) 11.7MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 20.2%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 13.7%
Embodiment 4:
Metakaolin 32.1%
Flyash 3.6%
Slag 1.0%
Alkali-activator 8.6%
Sand 50.8%
PVA staple fibre 0.09%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 46.2MPa, folding strength (28 days) 15.0MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 16.4%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 11.1%
Embodiment 5:
Metakaolin 25%
Flyash 10.7%
Slag 1.0%
Alkali-activator 6.7%
Sand 48.6%
PVA staple fibre 0.09%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 42.8MPa, folding strength (28 days) 10.3MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 22.4%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 12.6%
Embodiment 6:
Metakaolin 17.9%
Flyash 17.9%
Slag 1.0%
Alkali-activator 4.8%
Sand 45.0%
PVA staple fibre 0.09%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 38.7MPa, folding strength (28 days) 7.3MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 25.6%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 10.4%
Embodiment 7:
Metakaolin 25%
Flyash 1.0%
Slag 10.7%
Alkali-activator 6.7%
Sand 48.6%
PVA staple fibre 0.02%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 53.7MPa, folding strength (28 days) 7.02MPa;
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 28.6%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 10.6%
Embodiment 8:
Metakaolin 17.9%
Flyash 1.0%
Slag 17.9%
Alkali-activator 4.8%
Sand 45.0%
PVA staple fibre 0.02%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 64.1MPa, folding strength (28 days) 8.01MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 24.7%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 8.2%
Embodiment 9:
Metakaolin 10.7%
Flyash 1.0%
Slag 25%
Alkali-activator 2.9%
Sand 42.8%
PVA staple fibre 0.02%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 60.2MPa, folding strength (28 days) 7.81MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 18.9%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 12.8%
Embodiment 10:
Metakaolin 25%
Flyash 1.0%
Slag 10.7%
Alkali-activator 6.7%
Sand 48.6%
Short thin steel fiber (length=14-15mm, length-to-diameter ratio=60-70) 3.6%
Said components obtains high-performance inorganic aluminium silicon polymer matrix material by aforementioned prepared, and it is as follows to record its performance:
Ultimate compression strength (28 days) 53.2MPa, folding strength (28 days) 23.9MPa
Resistance to elevated temperatures: continue 2h down at 800 ℃, the loss of strength rate is 16.4%
Corrosion resistance nature: the sulfuric acid at pH=1 corroded 1 month, and the strength damage rate is 9.8%.
Claims (2)
1, a kind of short fibre reinforcing inorganic silicon-aluminum polymer composite material is characterized in that, the mass percent of this each component of matrix material is:
Metakaolin 10.7～35.7%
Flyash 1.0～17.9%
Slag 1.0～25%
Alkali-activator 2.9～9.6%
Fine aggregate 42.8～54.7%
Staple fibre 0.02～3.6%;
Wherein said alkali-activator is that industrial alkaline matter and water glass are formed, and industrial alkaline matter is: LiOH, NaOH, KOH, Mg (OH)
2, Ca (OH)
2, CaSO
4, Na
2SO
4, Na
2CO
3, K
2CO
3, NaHCO
3Or KHCO
3And the mixture between them; Water glass is: sodium silicate or potash water glass and composition thereof require the SiO of water glass
2: M
2O 〉=1.0, solid content 〉=30%, wherein M represents Na or K; Described staple length is 5-20mm.
2, the described short fibre reinforcing inorganic silicon-aluminum polymer composite material of claim 1 is characterized in that, staple fibre is organic and inorganic or steel fiber.
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|---|---|---|---|
| CNB2007101314044A CN100551867C (en) | 2007-08-28 | 2007-08-28 | Short fibre reinforcing inorganic silicon-aluminum polymer composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101314044A CN100551867C (en) | 2007-08-28 | 2007-08-28 | Short fibre reinforcing inorganic silicon-aluminum polymer composite material |
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| Publication Number | Publication Date |
|---|---|
| CN101157535A CN101157535A (en) | 2008-04-09 |
| CN100551867C true CN100551867C (en) | 2009-10-21 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386478B (en) * | 2008-10-21 | 2011-08-31 | 武汉理工大学 | Slag sulphate cement |
| CN101844911A (en) * | 2010-05-17 | 2010-09-29 | 上海富家家新型温棚设计制作有限公司 | Multielement silicon-aluminium composite material and preparation method thereof |
| CN105421631A (en) * | 2015-11-02 | 2016-03-23 | 卓达新材料科技集团有限公司 | Slag floor bearing plate for building and preparation method of slag floor bearing plate |
| CN106517987A (en) * | 2016-11-22 | 2017-03-22 | 哈尔滨理工大学 | Micro-steel fiber reinforced alkali slag cementing material and preparation method |
| CN106747227A (en) * | 2017-01-17 | 2017-05-31 | 哈尔滨理工大学 | Assorted fibre enhancing alkali--activated slag cement and preparation method thereof |
| CN106866075A (en) * | 2017-03-01 | 2017-06-20 | 上海理工大学 | A kind of large-doping-amount fly ash cement based composites of superhigh tenacity and preparation method thereof |
| CN107324711A (en) * | 2017-08-30 | 2017-11-07 | 广东清大同科环保技术有限公司 | A kind of artificial stone and preparation method thereof |
| CN111018059B (en) * | 2019-11-26 | 2022-05-17 | 西安建筑科技大学 | Preparation method of carbon fiber inorganic polymer composite electrode |
| CN110818332A (en) * | 2019-11-28 | 2020-02-21 | 武汉科技大学 | Method for preparing calcium-free system geopolymer by coupling FCC (fluid catalytic cracking) waste catalyst and silica fume |
| CN111647753B (en) * | 2020-05-19 | 2021-07-13 | 北京科技大学 | Method for recovering zinc by direct reduction of melting gasification furnace |
| CN112940783B (en) * | 2021-01-26 | 2022-07-01 | 长治市碳谷科技孵化器有限公司 | Comprehensive utilization system and method of coal gangue |
| CN115594453B (en) * | 2022-11-02 | 2023-11-17 | 海南大学 | Fibrous geopolymer plate and preparation method thereof |
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2007
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