CN105461265A - Modified alkali-activated cementing material and preparation method thereof - Google Patents
Modified alkali-activated cementing material and preparation method thereof Download PDFInfo
- Publication number
- CN105461265A CN105461265A CN201510810774.5A CN201510810774A CN105461265A CN 105461265 A CN105461265 A CN 105461265A CN 201510810774 A CN201510810774 A CN 201510810774A CN 105461265 A CN105461265 A CN 105461265A
- Authority
- CN
- China
- Prior art keywords
- alkali
- gelling material
- parts
- rubber powder
- activator
- 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.)
- Granted
Links
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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B28/008—Mineral polymers other than those of the Davidovits type, e.g. from a reaction mixture containing waterglass
-
- 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
- C04B2103/20—Retarders
- C04B2103/22—Set retarders
-
- 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
-
- 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
- C04B2111/23—Acid resistance, e.g. against acid air or rain
-
- 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
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention aims to provide a modified alkali-activated cementing material and its preparation method. Raw materials of the cementing material contain, by weight, 100 parts of a mixture of fly ash and slag, 25-50 parts of an alkali-activator, 0.5-2 parts of a retarder and 2-15 parts of polymer powder, wherein solid content of the alkali-activator is 30-40%. The method for modifying an alkali-activated cementing material with the polymer powder is compared with a method for modifying an alkali-activated fly ash and slag material with a polymer emulsion. The method of the invention has characteristics as follows: production technology is simple; measurement and preparation are accurate; storage and transport are safe; construction and usage are convenient; and the product has fast condensation, high bonding strength, good acid-resistance and alkali-resistance, excellent durability and the like.
Description
Technical field
The present invention relates to matrix material class field, be specifically related to a kind of modification alkali-activated carbonatite gelling material and preparation method thereof.
Background technology
Alkali-activated carbonatite gelling material is that one utilizes the industrial solid castoff such as flyash, slag, the gelling material of high-strength by having of preparing of alkali-activated carbonatite effect, fast hard, the plurality of advantages such as weathering resistance is strong.The hydrated product composition more complicated of alkali-activated carbonatite gelling material, is generally made up of the geopolymer of different content, C-S-H gel, class zeolite and different types of insoluble double salt.Alkali-activated carbonatite gelling material has excellent physical and mechanical property and weather resistance, but also there is the problems such as fragility is large, easy to crack, thus limits its use range.
Chinese patent (200510018696.1), Chinese patent (200910022883.5) and Chinese patent (201210442047.4) are respectively by different sorts fibre modification alkali-activated carbonatite gelling material such as use steel fiber and polypropylene fibre, polypropylene pencil monfil, polyvinyl alcohol fiber etc., and fiber in use may exist whipping process not easily homodisperse phenomenon.
Chinese patent (201210081093.6), Chinese patent (201210051713.1), Chinese patent (201310143484.0) and Chinese patent (201410056757.2) carry out modification respectively by admixture polyvinyl chloride (PVC) RESINS, rubber grain or rubber powder, emulsified bitumen, waste Crumb rubber to alkali-activated carbonatite gelling material, but the limitation that waste Crumb rubber and rubber grain etc. improve performances such as material binding intensity, toughness.
Summary of the invention
For the some shortcomings that the existing alkali-activated carbonatite gelling material in this area exists, the present inventor finds, use polymkeric substance to carry out modification to alkali-activated carbonatite fly-ash mine residue material, the performances such as the toughness of material and cohesive strength can be improved, be conducive to alkali-activated carbonatite gelling material applying in more areas; Particularly the polymer glue powder of powdery has the advantages such as weighing is accurate, storage convenient transportation, is the excellent selection of one for modification alkali-activated carbonatite gelling material.
Therefore, the object of this invention is to provide a kind of modification alkali-activated carbonatite gelling material and preparation method thereof, alkali-activated carbonatite gelling material carried out compared with the method for modification with adopting other type materials such as polymer emulsion, the present invention adopts polymer glue powder to carry out modification to alkali-activated carbonatite gelling material, there is production technique simple, metering preparation accurately, store transportation safety, construction usage is convenient, product condensation is fast, cohesive strength is high, acid-fast alkali-proof is good, the features such as excellent in te pins of durability, product cost is low, and utilize waste and save energy, environmental protection, have at corrosionproof protection layer material, the application potential in the fields such as repairing and reinforcing material.
The object of the invention is to be achieved through the following technical solutions:
The invention provides a kind of modification alkali-activated carbonatite gelling material, according to the mass fraction, the raw material packet of described gelling material contains: flyash and slag compound 100 parts, alkali-activator 25 ~ 50 parts, retardant 0.5 ~ 2 part and polymer glue powder 2 ~ 15 parts; The solid content of wherein said alkali-activator is 30 ~ 40%;
Preferably, in described flyash and slag compound, according to the mass fraction, the ratio of flyash and slag is 4 ~ 6:6 ~ 4.
Described alkali-activator is prepared by the method comprised the steps: according to the mass fraction, is mixed by 8 ~ 25 parts, water glass 100 parts and sodium hydroxide, and ageing 24 hours, to obtain final product, and makes the modulus of the alkali-activator prepared be 1.0 ~ 1.5; The solid content of wherein said water glass is 30 ~ 35%;
Preferably, the modulus of described water glass is 2.6 ~ 3.4;
Or described alkali-activator is prepared by the method comprised the steps: mixed with sodium hydroxide by water glass, ageing, the modulus of the alkali-activator prepared is made to be 1.0 ~ 1.5.
Described flyash is I level flyash, and described slag is S95 level slag;
Preferably, described retardant is selected from BaCl
2, Ba (NO
3)
2or Al
2(SO
4)
3in one or more.
Described polymer glue powder be selected from butadiene-styrene copolymer rubber powder, Styrene-acrylic copolymer rubber powder, acrylate copolymer rubber powder, ethylene-vinyl acetate copolymer rubber powder, vinyl acetate-vinyl versatate copolymer rubber powder or vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder one or more; Preferably, described polymer glue powder is selected from one or more in butadiene-styrene copolymer rubber powder, acrylate copolymer rubber powder or vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder.
The preparation method of gelling material of the present invention, described preparation method comprises: the mixture of flyash and slag, retardant and polymer glue powder are uniformly mixed, add alkali-activator time to be used.
Gelling material of the present invention is preparing the purposes in concrete or mortar.
The present invention also provides a kind of concrete or mortar, and it comprises gelling material of the present invention.
The preparation method of mortar of the present invention comprises: described gelling material and water, sand are uniformly mixed uniformly slurry, leaves standstill after entering mould, steam-cured;
Preferably, the preparation method of described mortar comprises: described gelling material 127.5 ~ 167 parts, 30 ~ 50 parts, water and 150 ~ 400 parts, sand are uniformly mixed uniformly slurry, leaves standstill 40 ~ 120min, steam-cured 2 ~ 4h at 75 ~ 85 DEG C after entering mould.
Concrete preparation method of the present invention comprises: described gelling material, water, sand and stone are uniformly mixed uniformly slurry, leaves standstill after entering mould, steam-cured;
Preferably, described concrete preparation method comprises: described gelling material 127.5 ~ 167 parts, 30 ~ 50 parts, water, 150 ~ 400 parts, sand and 200 ~ 650 parts, stone are uniformly mixed uniformly slurry, 40 ~ 120min, steam-cured 2 ~ 4h at 75 ~ 85 DEG C is left standstill after entering mould.
To sum up, the invention provides a kind of novel gelled material, specifically, compared with prior art, the present invention has at least following beneficial effect:
1. modification alkali-activated carbonatite gelling material of the present invention toughness while intensity improves also is improved; In the present invention, in alkali-activated carbonatite gelling material, add polymer glue powder carry out modification, the toughness of gelling material can be improved to a great extent, reduce cracking, extend its work-ing life;
2. modification alkali-activated carbonatite gelling material of the present invention has higher cohesive strength through polymer glue powder is modified, in the present invention, by adding polymer glue powder in alkali-activated carbonatite gelling material, improve the cohesive strength of material, thus be conducive to promoting that it is in the application to the field that material and base material cohesive strength have higher requirements such as corrosionproof protection layer material, repairing and reinforcing material;
3. modification alkali-activated carbonatite gelling material of the present invention is for the preparation of mortar or concrete, mortar or concrete is made to have good acid and alkali-resistance erosion performance, under the condition that high temperature soda acid soaks, mortar or concrete appearance not damaged, intensity does not also obviously reduce, mortar or concrete have excellent corrosion resistance nature, contribute to the security in reinforced mortar or concrete use procedure, the work-ing life of extending structure;
4. the preparation process of modification alkali-activated carbonatite gelling material of the present invention simplifies production technique, is convenient to accumulating, in addition the polymer glue powder used in the present invention has accurate measurement, is easy to features such as mixing with the powder such as flyash, slag, product stock is convenient, simplify production technique, and be convenient to store, transport.
Embodiment
Below in conjunction with embodiment, the present invention is further described in detail, the embodiment provided only in order to illustrate the present invention, instead of in order to limit the scope of the invention.
embodiment 1: the preparation of the mortar containing gelling material of the present invention
1, the preparation of modification alkali-activated carbonatite gelling material of the present invention
Alkali-activator: taking 21.6g sodium hydroxide, to be dissolved in 100g modulus be in the water glass (solid content 30%) of 3.4, sealing ageing 24h, obtain alkali-activator, modulus is 1.0;
Modification alkali-activated carbonatite gelling material: take 270g flyash, 180g slag, 18g butadiene-styrene copolymer rubber powder and 4gBaCl
2, be uniformly mixed, time to be used, add alkali-activator;
The preparation of the mortar 2, containing described gelling material and test thereof
The above-mentioned gelling material 593.6g prepared, 1350g sand and 142g water are placed in mortar mixer stir, are mixed into uniform slurry, 40min is left standstill, steam-cured 2h at 75 DEG C, form removal after entering mould, temperature 20 ± 2 DEG C, test after maintenance 7d under relative humidity more than 90% condition.
The ultimate compression strength recording mortar is 36.35MPa, cohesive strength 2.78MPa, and acidproof coefficient is 0.92, and alkaline-resisting coefficient is 1.27.
embodiment 2: the preparation of the mortar containing gelling material of the present invention
1, the preparation of modification alkali-activated carbonatite gelling material of the present invention
Alkali-activator: taking 18.3g sodium hydroxide, to be dissolved in 100g modulus be in the water glass (solid content 32%) of 3.0, sealing ageing 24h, obtain alkali-activator, modulus is 1.1;
Modification alkali-activated carbonatite gelling material: take 235g flyash, 235g slag, 10g ethylene-vinyl acetate copolymer rubber powder and 2.5gBa (NO
3)
2, be uniformly mixed, time to be used, add alkali-activator;
The preparation of the mortar 2, containing described gelling material and test thereof
Above-mentioned gelling material 600.8g, 1200g sand and the 142g water prepared is placed in mortar mixer stir, is mixed into uniform slurry, after entering mould, leave standstill 50min, at 85 DEG C, steam-cured 2h, form removal, temperature 20 ± 2 DEG C, tests after maintenance 7d under relative humidity more than 90% condition.
The ultimate compression strength recording mortar is 40.60MPa, cohesive strength 2.81MPa, and acidproof coefficient is 0.95, and alkaline-resisting coefficient is 1.24.
embodiment 3: the preparation of the mortar containing gelling material of the present invention
1, the preparation of modification alkali-activated carbonatite gelling material of the present invention
Alkali-activator: taking 21.6g sodium hydroxide, to be dissolved in 100g modulus be in the water glass (solid content 30%) of 3.4, sealing ageing 24h, obtain alkali-activator, modulus is 1.0;
Modification alkali-activated carbonatite gelling material: take 270g flyash, 180g slag, 9g vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder and 2.5gAl
2(SO
4)
3, be uniformly mixed, time to be used, add alkali-activator;
The preparation of the mortar 2, containing described gelling material and test thereof
Above-mentioned gelling material 583.1g, 1000g sand and the 142g water prepared is placed in mortar mixer stir, is mixed into uniform slurry, after entering mould, leave standstill 30min, at 70 DEG C, steam-cured 2h, form removal, temperature 20 ± 2 DEG C, tests after maintenance 7d under relative humidity more than 90% condition.
The ultimate compression strength recording mortar is 44.59MPa, cohesive strength 2.70MPa, and acidproof coefficient is 0.98, and alkaline-resisting coefficient is 1.34.
embodiment 4: the preparation of the mortar containing gelling material of the present invention
1, the preparation of modification alkali-activated carbonatite gelling material of the present invention
Alkali-activator: taking 12.3g sodium hydroxide, to be dissolved in 100g modulus be in the water glass (solid content 35%) of 2.8, sealing ageing 24h, obtain alkali-activator, modulus is 1.4;
Modification alkali-activated carbonatite gelling material: take 160g flyash, 240g slag, 10g Styrene-acrylic copolymer rubber powder and 2.5gBa (NO
3)
2, be uniformly mixed, time to be used, add alkali-activator;
The preparation of the mortar 2, containing described gelling material and test thereof
Above-mentioned gelling material 524.8g, 1000g sand and the 120g water prepared is placed in mortar mixer stir, is mixed into uniform slurry, after entering mould, leave standstill 30min, steam-cured 4h at 70 DEG C, form removal, temperature 20 ± 2 DEG C, tests after maintenance 7d under relative humidity more than 90% condition.
The ultimate compression strength recording mortar is 41.54MPa, cohesive strength 2.57MPa, and acidproof coefficient is 0.92, and alkaline-resisting coefficient is 1.27.
embodiment 5: the concrete preparation containing gelling material of the present invention
1, the preparation of modification alkali-activated carbonatite gelling material of the present invention
Alkali-activator: taking 28.8g sodium hydroxide, to be dissolved in 133.2g modulus be in the water glass (solid content 30%) of 3.4, sealing ageing 24h, obtain alkali-activator, modulus is 1.0;
Modification alkali-activated carbonatite gelling material: take 200g flyash, 300g slag, 15g Styrene-acrylic copolymer rubber powder and 3gBa (NO
3)
2, be uniformly mixed, time to be used, add alkali-activator;
2, the concrete preparation containing described gelling material and test thereof
Above-mentioned gelling material 680g, 750g sand, 1050g stone and the 175g water prepared is placed in concrete mixer stir, be mixed into uniform slurry, 30min is left standstill after entering mould, steam-cured 4h at 75 DEG C, form removal, temperature 20 ± 2 DEG C, test after maintenance 7d under relative humidity more than 90% condition.
Recording concrete ultimate compression strength is 63.15MPa, and acidproof coefficient is 0.95, and alkaline-resisting coefficient is 1.25.
embodiment 6: polymer glue powder kind of the present invention and consumption shaker test
1, polymer glue powder kind of the present invention is selected
Choose that polypropylene fibre, waste rubber powder, styrene-butadiene emulsion, butadiene-styrene copolymer rubber powder, Styrene-acrylic copolymer rubber powder, acrylate copolymer rubber powder, ethylene-vinyl acetate copolymer rubber powder, vinyl acetate-vinyl versatate copolymer rubber powder and vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder etc. are Bu Tong material modified to be contrasted.Material modified different in kind, different on the impact of alkali-activated carbonatite fly-ash mine residue material.
Taking 21.6g sodium hydroxide, to be dissolved in 100g modulus be in the water glass of 3.4, and sealing ageing 24h, obtain alkali-activator, modulus is 1.0.By 121.6g alkali-activator, 180g flyash, 270g slag, 1350g sand and 138g water, respectively with 0.1g polypropylene fibre, 15g waste rubber powder, 15g (in solid content) styrene-butadiene emulsion, 15g butadiene-styrene copolymer rubber powder, 15g Styrene-acrylic copolymer rubber powder, 15g acrylate copolymer rubber powder, 15g ethylene-vinyl acetate copolymer rubber powder, 15g vinyl acetate-vinyl versatate copolymer rubber powder and 15g vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder, be placed in mortar mixer to stir, be mixed into uniform slurry.Test uses the cohesive strength of the modification alkali-activated carbonatite gelling material of the material modified formation of above-mentioned difference respectively, when mixing polypropylene fibre, waste rubber powder, styrene-butadiene emulsion, butadiene-styrene copolymer rubber powder, Styrene-acrylic copolymer rubber powder, acrylate copolymer rubber powder, ethylene-vinyl acetate copolymer rubber powder, vinyl acetate-vinyl versatate copolymer rubber powder and vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder, the cohesive strength of its modification alkali-activated carbonatite gelling material is respectively 2.10MPa, 1.78MPa, 2.03MPa, 2.56MPa, 2.23MPa, 2.44MPa, 2.15MPa, 2.29MPa, 2.50MPa, wherein mix butadiene-styrene copolymer rubber powder, Styrene-acrylic copolymer rubber powder, acrylate copolymer rubber powder, ethylene-vinyl acetate copolymer rubber powder, the cohesive strength of the modification alkali-activated carbonatite gelling material after vinyl acetate-vinyl versatate copolymer rubber powder and vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder is obviously higher, particularly butadiene-styrene copolymer rubber powder, acrylate copolymer rubber powder, optimum as the cohesive strength of the modification alkali-activated carbonatite gelling material of material modified formation with vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder.
2, polymer glue powder consumption of the present invention is selected
(1) taking 21.6g sodium hydroxide, to be dissolved in 100g modulus be in the water glass of 3.4, and sealing ageing 24h, obtain alkali-activator, modulus is 1.0.By Styrene-acrylic copolymer rubber powder 9g, 45g, 90g, be placed in stirrer stir with 121.6g alkali-activator, 250g flyash, 200g slag, 1350g sand, 142g water respectively, be mixed into uniform slurry.The ultimate compression strength of test differing materials, result is respectively 43.01MPa, 36.55MPa, 20.40MPa.Result illustrates, rubber powder volume is that the strength of materials of 90g is relatively low, and rubber powder volume is that the strength of materials of 9g and 45g is higher.Therefore, when flyash and slag compound are with 100 parts of timing, the modification alkali-activated carbonatite gelatinous material effect that polymer glue powder quality choice prepares 2 parts, 10 parts time is better.
(2) taking 12.3g sodium hydroxide, to be dissolved in 100g modulus be in the water glass of 2.8g, and sealing ageing 24h, obtain alkali-activator, modulus is 1.4.By ethylene-vinyl acetate copolymer rubber powder 20g, 60g, 100g, be placed in stirrer stir with 112.3g alkali-activator, 160g flyash, 240g slag, 1000g sand, 120g water respectively, be mixed into uniform slurry.The ultimate compression strength of test differing materials, result is respectively 40.20MPa, 35.14MPa, 24.23MPa.Result illustrates, rubber powder volume is higher is that the strength of materials of 100g is relatively low, and rubber powder volume is that the strength of materials of 20g and 60g is higher.Therefore, therefore, when flyash and slag compound are with 100 parts of timing, the modification alkali-activated carbonatite gelatinous material effect that polymer glue powder quality choice prepares 5 parts, 15 parts time is better.
(3) taking 21.6g sodium hydroxide, to be dissolved in 100g modulus be in the water glass of 3.4, and sealing ageing 24h, obtain alkali-activator, modulus is 1.0.By vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder 27g, 45g, 92g, be placed in stirrer stir with 121.6g alkali-activator, 180g flyash, 270g slag, 1400g sand, 140g water respectively, be mixed into uniform slurry.The ultimate compression strength of test differing materials, result is respectively 43.11MPa, 39.72MPa, 28.45MPa.Result illustrates, rubber powder volume is higher is that the strength of materials of 92g is relatively low, and rubber powder volume is that the paste materials intensity of 27g and 45g is higher.Therefore, when flyash and slag compound are with 100 parts of timing, the modification alkali-activated carbonatite gelatinous material effect that polymer glue powder quality choice prepares 6 parts, 10 parts time is better.
Comprehensive above data, when flyash and slag compound are with 100 parts of timing, rubber powder volume is 2 ~ 15 parts time, and the modification alkali-activated carbonatite gelatinous material prepared is optimum.
embodiment 7: alkali-activator modulus shaker test of the present invention
(1) take 6.64g sodium hydroxide and be dissolved in the water glass that 125g modulus is 3.0, sealing ageing 24h, obtain alkali-activator, modulus is 2.0.Be alkali-activator and the 250g flyash of 2.0 by 131.64g modulus, 200g slag, 102g water, 1350g sand is placed in mortar mixer and stirs, and is mixed into uniform slurry;
(2) take 12.01 sodium hydroxide and be dissolved in the water glass that 113g modulus is 3.0, sealing ageing 24h, obtain alkali-activator, modulus is 1.5.Be alkali-activator and the 250g flyash of 1.5 by 125.01g modulus, 200g slag, 109g water, 1350g sand is placed in mortar mixer and stirs, and is mixed into uniform slurry.
(3) take 19.63g sodium hydroxide and be dissolved in the water glass that 93g modulus is 3.0, sealing ageing 24h, obtain alkali-activator, modulus is 1.0.Be alkali-activator and the 250g flyash of 1.0 by 112.63g modulus, 200g slag, 121g water, 1350g sand is placed in mortar mixer and stirs, and is mixed into uniform slurry.
(4) take 32.44g sodium hydroxide and be dissolved in the water glass that 65g modulus is 3.0, sealing ageing 24h, obtain alkali-activator, modulus is 0.5.Be alkali-activator and the 250g flyash of 0.5 by 97.44g modulus, 200g slag, 138g water, 1350g sand is placed in mortar mixer and stirs, and is mixed into uniform slurry.
Found by contrast (1) ~ (4) item, when using alkali-activator modulus to be 0.5 and 2.0 in modification alkali-activated carbonatite gelling material, its mobility is lower; When using alkali-activator modulus to be 2.0,1.5,1.0,0.5 in modification alkali-activated carbonatite gelling material, its ultimate compression strength is respectively 25.53MPa, 34.25MPa, 45.12MPa, 59.75MPa.
Comprehensive above-mentioned data can be found out, when alkali-activator modulus selection 1.0 ~ 1.5, and the best performance of modification alkali-activated carbonatite gelling material.
Claims (9)
1. a modification alkali-activated carbonatite gelling material, according to the mass fraction, the raw material packet of described gelling material contains: flyash and slag compound 100 parts, alkali-activator 25 ~ 50 parts, retardant 0.5 ~ 2 part and polymer glue powder 2 ~ 15 parts; The solid content of wherein said alkali-activator is 30 ~ 40%;
Preferably, in described flyash and slag compound, according to the mass fraction, the ratio of flyash and slag is 4 ~ 6:6 ~ 4.
2. gelling material according to claim 1, it is characterized in that, described alkali-activator is prepared by the method comprised the steps: according to the mass fraction, 8 ~ 25 parts, water glass 100 parts and sodium hydroxide is mixed, ageing 24 hours, obtain, make the modulus of the alkali-activator prepared be 1.0 ~ 1.5; The solid content of wherein said water glass is 30 ~ 35%; Preferably, the modulus of described water glass is 2.6 ~ 3.4;
Or described alkali-activator is prepared by the method comprised the steps: mixed with sodium hydroxide by water glass, ageing, the modulus of the alkali-activator prepared is made to be 1.0 ~ 1.5.
3. gelling material according to claim 1 and 2, is characterized in that, described flyash is I level flyash, and described slag is S95 level slag;
Preferably, described retardant is selected from BaCl
2, Ba (NO
3)
2or Al
2(SO
4)
3in one or more.
4. gelling material according to any one of claim 1 to 3, it is characterized in that, described polymer glue powder be selected from butadiene-styrene copolymer rubber powder, Styrene-acrylic copolymer rubber powder, acrylate copolymer rubber powder, ethylene-vinyl acetate copolymer rubber powder, vinyl acetate-vinyl versatate copolymer rubber powder or vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder one or more; Preferably, described polymer glue powder is selected from one or more in butadiene-styrene copolymer rubber powder, acrylate copolymer rubber powder or vinyl acetate-tertiary ethylene carbonate-acrylate copolymer rubber powder.
5. the preparation method of the gelling material according to any one of Claims 1-4, described preparation method comprises: the mixture of flyash and slag, retardant and polymer glue powder are uniformly mixed, add alkali-activator time to be used.
6. the gelling material according to any one of Claims 1-4 is preparing the purposes in concrete or mortar.
7. concrete or a mortar, it comprises the gelling material according to any one of Claims 1-4.
8. the preparation method of mortar as claimed in claim 7, described preparation method comprises: the gelling material such as according to any one of Claims 1-4 and water, sand are uniformly mixed uniformly slurry, leaves standstill after entering mould, steam-cured;
Preferably, the preparation method of described mortar comprises: the gelling material such as according to any one of Claims 1-4 127.5 ~ 167 parts, 30 ~ 50 parts, water and 150 ~ 400 parts, sand are uniformly mixed uniformly slurry, 40 ~ 120min, steam-cured 2 ~ 4h at 75 ~ 85 DEG C is left standstill after entering mould.
9. concrete preparation method as claimed in claim 7, described preparation method comprises: the gelling material such as according to any one of Claims 1-4, water, sand and stone are uniformly mixed uniformly slurry, leaves standstill after entering mould, steam-cured;
Preferably, described concrete preparation method comprises: the gelling material such as according to any one of Claims 1-4 127.5 ~ 167 parts, 30 ~ 50 parts, water, 150 ~ 400 parts, sand and 200 ~ 650 parts, stone are uniformly mixed uniformly slurry, 40 ~ 120min, steam-cured 2 ~ 4h at 75 ~ 85 DEG C is left standstill after entering mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510810774.5A CN105461265B (en) | 2015-11-23 | 2015-11-23 | A kind of modified alkali-activated carbonatite binder materials and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510810774.5A CN105461265B (en) | 2015-11-23 | 2015-11-23 | A kind of modified alkali-activated carbonatite binder materials and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105461265A true CN105461265A (en) | 2016-04-06 |
| CN105461265B CN105461265B (en) | 2017-10-24 |
Family
ID=55599491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510810774.5A Active CN105461265B (en) | 2015-11-23 | 2015-11-23 | A kind of modified alkali-activated carbonatite binder materials and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105461265B (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365524A (en) * | 2016-08-22 | 2017-02-01 | 河南省中德新亚新材料研究院有限公司 | Quick-setting early strength inorganic polymer mortar and production method thereof |
| CN106431169A (en) * | 2016-08-12 | 2017-02-22 | 卓达新材料科技集团威海股份有限公司 | Alkali-activated fly ash dry mixed adhesive for ceramic tiles and preparation method thereof |
| CN107673666A (en) * | 2017-09-28 | 2018-02-09 | 华南理工大学 | A kind of alkali-activated slag/flyash rebar surface corrosion-inhibiting coating and preparation method thereof |
| CN108947426A (en) * | 2018-08-30 | 2018-12-07 | 青岛理工大学 | A kind of epoxy resin modification alkali-activated carbonatite base mending mortar and preparation method thereof |
| CN109053045A (en) * | 2018-08-30 | 2018-12-21 | 广州大学 | A kind of alkali-activated carbonatite fly-ash slag piezoelectricity floor tile and preparation method thereof |
| CN109081643A (en) * | 2018-09-18 | 2018-12-25 | 广州大学 | A kind of carbon fiber/alkali-activated carbonatite composite pressure-sensitive material and preparation method thereof |
| CN109231899A (en) * | 2018-09-14 | 2019-01-18 | 吉林建筑大学 | A kind of high-intensitive alkali-activated carbonatite gel rubber material can be applied to particular surroundings |
| CN109251682A (en) * | 2018-07-25 | 2019-01-22 | 北京林业大学 | A kind of geo-polymer base timber adhesive and its preparation method and application |
| CN110204233A (en) * | 2019-04-28 | 2019-09-06 | 武汉理工大学 | A kind of preparation method and heat preserving and insulating material of Polystyrene flyash |
| CN111205005A (en) * | 2020-03-06 | 2020-05-29 | 交通运输部公路科学研究所 | Cementing material, application and concrete |
| CN111362631A (en) * | 2020-04-09 | 2020-07-03 | 华电国际电力股份有限公司朔州热电分公司 | Full-solid waste type alkali-activated concrete and preparation method thereof |
| CN111606594A (en) * | 2020-06-04 | 2020-09-01 | 黄勇 | High-performance bonding modification excitant for building solid waste treatment |
| CN112759313A (en) * | 2021-03-09 | 2021-05-07 | 广东工业大学 | Geopolymer concrete and preparation method thereof |
| CN112979191A (en) * | 2019-12-13 | 2021-06-18 | 湖北工业大学 | Alkali-activated cementing material and preparation method thereof |
| CN113402242A (en) * | 2021-06-17 | 2021-09-17 | 青岛理工大学 | Steam-cured alkali-activated slag concrete and preparation method thereof |
| CN113429134A (en) * | 2021-07-21 | 2021-09-24 | 西安建筑科技大学 | Method for adjusting fluidity and setting time of chemically-activated cementing material system |
| US11168028B2 (en) * | 2018-11-03 | 2021-11-09 | Cemalt LLC | Additives for geopolymer cements |
| CN113636766A (en) * | 2021-08-20 | 2021-11-12 | 广西大学 | Slag carbonization modification method, carbonization modified slag cementing material and preparation method thereof |
| CN113831056A (en) * | 2021-10-19 | 2021-12-24 | 湖北碞石科技有限公司 | Inorganic rubber powder composite powder and preparation method thereof |
| CN115594476A (en) * | 2022-10-12 | 2023-01-13 | 北科蕴宏环保科技(北京)有限公司（Cn） | Cement-free high-performance concrete repair material and preparation method thereof |
| CN116023077A (en) * | 2022-12-27 | 2023-04-28 | 武汉大学 | Alkali-activated cementing material resistant to freeze-thawing cycle damage and preparation method thereof |
| CN116947388A (en) * | 2023-07-25 | 2023-10-27 | 中国海洋大学 | Geopolymer material suitable for repairing road interlayer void diseases and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1029116C (en) * | 1988-01-21 | 1995-06-28 | 国家建材局苏州混凝土水泥制品研究院 | Method of excitation of the activity of powdery cinder |
| CN102167546A (en) * | 2010-12-13 | 2011-08-31 | 广东龙湖科技有限公司 | Zeolite-like lightweight heat preservation and sound insulation board and production method thereof |
| CN102617106A (en) * | 2012-03-30 | 2012-08-01 | 华南理工大学 | Mineral polymer foaming material as well as preparation method and application of mineral polymer foaming material |
| CN103588459A (en) * | 2013-10-22 | 2014-02-19 | 广西启利新材料科技股份有限公司 | Geopolymer-based corrugated tile |
| CN104150793A (en) * | 2014-08-08 | 2014-11-19 | 广西启利新材料科技股份有限公司 | Geopolymer-based steel slag dry-mixed mortar binder |
-
2015
- 2015-11-23 CN CN201510810774.5A patent/CN105461265B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1029116C (en) * | 1988-01-21 | 1995-06-28 | 国家建材局苏州混凝土水泥制品研究院 | Method of excitation of the activity of powdery cinder |
| CN102167546A (en) * | 2010-12-13 | 2011-08-31 | 广东龙湖科技有限公司 | Zeolite-like lightweight heat preservation and sound insulation board and production method thereof |
| CN102617106A (en) * | 2012-03-30 | 2012-08-01 | 华南理工大学 | Mineral polymer foaming material as well as preparation method and application of mineral polymer foaming material |
| CN103588459A (en) * | 2013-10-22 | 2014-02-19 | 广西启利新材料科技股份有限公司 | Geopolymer-based corrugated tile |
| CN104150793A (en) * | 2014-08-08 | 2014-11-19 | 广西启利新材料科技股份有限公司 | Geopolymer-based steel slag dry-mixed mortar binder |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106431169A (en) * | 2016-08-12 | 2017-02-22 | 卓达新材料科技集团威海股份有限公司 | Alkali-activated fly ash dry mixed adhesive for ceramic tiles and preparation method thereof |
| CN106365524A (en) * | 2016-08-22 | 2017-02-01 | 河南省中德新亚新材料研究院有限公司 | Quick-setting early strength inorganic polymer mortar and production method thereof |
| CN107673666A (en) * | 2017-09-28 | 2018-02-09 | 华南理工大学 | A kind of alkali-activated slag/flyash rebar surface corrosion-inhibiting coating and preparation method thereof |
| CN109251682A (en) * | 2018-07-25 | 2019-01-22 | 北京林业大学 | A kind of geo-polymer base timber adhesive and its preparation method and application |
| CN108947426A (en) * | 2018-08-30 | 2018-12-07 | 青岛理工大学 | A kind of epoxy resin modification alkali-activated carbonatite base mending mortar and preparation method thereof |
| CN109053045A (en) * | 2018-08-30 | 2018-12-21 | 广州大学 | A kind of alkali-activated carbonatite fly-ash slag piezoelectricity floor tile and preparation method thereof |
| CN109231899A (en) * | 2018-09-14 | 2019-01-18 | 吉林建筑大学 | A kind of high-intensitive alkali-activated carbonatite gel rubber material can be applied to particular surroundings |
| CN109081643A (en) * | 2018-09-18 | 2018-12-25 | 广州大学 | A kind of carbon fiber/alkali-activated carbonatite composite pressure-sensitive material and preparation method thereof |
| US11168028B2 (en) * | 2018-11-03 | 2021-11-09 | Cemalt LLC | Additives for geopolymer cements |
| CN110204233A (en) * | 2019-04-28 | 2019-09-06 | 武汉理工大学 | A kind of preparation method and heat preserving and insulating material of Polystyrene flyash |
| CN112979191A (en) * | 2019-12-13 | 2021-06-18 | 湖北工业大学 | Alkali-activated cementing material and preparation method thereof |
| CN112979191B (en) * | 2019-12-13 | 2022-05-20 | 湖北工业大学 | Alkali-activated cementing material and preparation method thereof |
| CN111205005A (en) * | 2020-03-06 | 2020-05-29 | 交通运输部公路科学研究所 | Cementing material, application and concrete |
| CN111362631A (en) * | 2020-04-09 | 2020-07-03 | 华电国际电力股份有限公司朔州热电分公司 | Full-solid waste type alkali-activated concrete and preparation method thereof |
| CN111606594B (en) * | 2020-06-04 | 2021-03-16 | 黄勇 | High-performance bonding modification excitant for building solid waste treatment |
| CN111606594A (en) * | 2020-06-04 | 2020-09-01 | 黄勇 | High-performance bonding modification excitant for building solid waste treatment |
| CN112759313A (en) * | 2021-03-09 | 2021-05-07 | 广东工业大学 | Geopolymer concrete and preparation method thereof |
| CN113402242A (en) * | 2021-06-17 | 2021-09-17 | 青岛理工大学 | Steam-cured alkali-activated slag concrete and preparation method thereof |
| CN113429134A (en) * | 2021-07-21 | 2021-09-24 | 西安建筑科技大学 | Method for adjusting fluidity and setting time of chemically-activated cementing material system |
| CN113636766A (en) * | 2021-08-20 | 2021-11-12 | 广西大学 | Slag carbonization modification method, carbonization modified slag cementing material and preparation method thereof |
| CN113636766B (en) * | 2021-08-20 | 2022-07-22 | 广西大学 | Slag carbonization modification method, carbonization modified slag cementing material and preparation method thereof |
| CN113831056A (en) * | 2021-10-19 | 2021-12-24 | 湖北碞石科技有限公司 | Inorganic rubber powder composite powder and preparation method thereof |
| CN115594476A (en) * | 2022-10-12 | 2023-01-13 | 北科蕴宏环保科技(北京)有限公司（Cn） | Cement-free high-performance concrete repair material and preparation method thereof |
| CN115594476B (en) * | 2022-10-12 | 2023-09-05 | 北科蕴宏环保科技(北京)有限公司 | Cement-free high-performance concrete repair material and preparation method thereof |
| CN116023077A (en) * | 2022-12-27 | 2023-04-28 | 武汉大学 | Alkali-activated cementing material resistant to freeze-thawing cycle damage and preparation method thereof |
| CN116947388A (en) * | 2023-07-25 | 2023-10-27 | 中国海洋大学 | Geopolymer material suitable for repairing road interlayer void diseases and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105461265B (en) | 2017-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105461265A (en) | Modified alkali-activated cementing material and preparation method thereof | |
| CN110255996B (en) | Fly ash geopolymer concrete and preparation method thereof | |
| Duan et al. | Fresh properties, mechanical strength and microstructure of fly ash geopolymer paste reinforced with sawdust | |
| Topark-Ngarm et al. | Setting time, strength, and bond of high-calcium fly ash geopolymer concrete | |
| CN104478371B (en) | A kind of energy-saving concrete crack repairing agent | |
| Raijiwala et al. | Geopolymer concrete: A concrete of next decade | |
| Arel et al. | Use of industrial and agricultural wastes in construction concrete | |
| Raijiwala et al. | Geopolymer concrete A green concrete | |
| CN112979191B (en) | Alkali-activated cementing material and preparation method thereof | |
| CN108373277A (en) | A kind of epoxy resin roughening metakaolin based geopolymer and preparation method thereof | |
| CN107500585A (en) | Wheat straw fibre strengthens gangue geopolymer and preparation method | |
| CN107311667A (en) | Ceramic body strengthens degumming agent and preparation method | |
| CN102503312B (en) | Polyvinyl alcohol fiber-reinforced cement stabilized macadam pavement base material | |
| CN104030596B (en) | Alkaline-free anti-crack concrete shrinkage reducing agent | |
| CN104817296A (en) | Ceramsite recycled concrete self-insulation material and preparation method thereof | |
| CN106186959A (en) | A kind of regenerative micro powder mortar and preparation method thereof | |
| CN107602013A (en) | Bentonite cement based composites and preparation method thereof | |
| CN104150815A (en) | Light body brick for building and manufacturing method thereof | |
| CN105130314B (en) | Modification cement slurry for fast repairing concrete | |
| CN106699070B (en) | A kind of more size polypropylene fiber concretes | |
| CN101456713A (en) | Inorganic mineral earth surface insulating mortar | |
| CN104496336A (en) | Lightweight aggregate concrete and preparation method thereof | |
| CN104591664B (en) | Long-life concrete for steel-mixed combination beam hogging moment area and preparation method thereof | |
| Risdanareni et al. | Mechanical properties of geopolymer paste with fly ash variation | |
| CN101817662B (en) | DBB concrete pavement crack repair material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170727 Address after: 215004 No. three Xiang Xiang Road, Suzhou, Jiangsu, 718 Applicant after: Suzhou Concrete Cement Products Research Institute Co., Ltd. Applicant after: Suzhou concrete cement products research institute Testing Center Co Ltd Address before: 215004 No. three Xiang Xiang Road, Suzhou, Jiangsu, 718 Applicant before: Suzhou Concrete Cement Products Research Institute Co., Ltd. Applicant before: Suzhou Sinoma Building Materials Design and Research Institute Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |