CN105541203A - Geopolymer-based thermal-insulation mortar dry powder and preparation method thereof - Google Patents
Geopolymer-based thermal-insulation mortar dry powder and preparation method thereof Download PDFInfo
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- CN105541203A CN105541203A CN201511025322.2A CN201511025322A CN105541203A CN 105541203 A CN105541203 A CN 105541203A CN 201511025322 A CN201511025322 A CN 201511025322A CN 105541203 A CN105541203 A CN 105541203A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
-
- 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
- C04B40/0042—Powdery mixtures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/005—Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/243—Mixtures thereof with activators or composition-correcting additives, e.g. mixtures of fly ash and alkali activators
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a geopolymer-based thermal-insulation mortar dry powder which is composed of the following components in percentage by weight: 40-50% of cementing material, 40-50% of light aggregate and 5-12.5% of assistant. The cementing material is a geopolymer material. The geopolymer material is prepared by using a sodium silicate-NaOH mixture as an alkali source and blending aluminosilicate substances in the alkali source, wherein the modulus of the sodium silicate is 2-4, the weight ratio of the sodium silicate to the NaOH is (1-3):1, and the weight ratio of the alkali source to the aluminosilicate substances is 1:(5-10). The invention also discloses a preparation method of the geopolymer-based thermal-insulation mortar dry powder. After the thermal-insulation mortar dry powder is blended with water, the mixture is constructed according to the conventional thermal-insulation mortar construction technique, and various indexes of the hardened mortar are satisfactory.
Description
Technical field
The present invention relates to a kind of geopolymer base thermal insulation mortar, belong to building energy conservation and green building material field.
Background technology
The concept of geopolymer is proposed by Frenchman Davidovits for 1978, and it is a kind of by [AlO
4] and [SiO
4] the cancellated inorganic polymer of tetrahedral structural unit composition 3 D stereo, chemical formula is M
n{-(SiO
2) zAlO
2}
nwH
2o (M-basic metal), amorphous to semi-crystalline state, belong to non-metallic material, this kind of material has excellent mechanical property and acid and alkali-resistance, fire-resistant, resistant to elevated temperatures performance, have replace ordinary Portland cement with the feature that mineral refuse and building waste can be utilized as raw material, in material of construction, Materials with High Strength, solid core solid waste material, sealing material and high temperature material etc., all may have application.
Thermal insulation mortar is for aggregate with various light material, being gelling material with cement, admixing some property-modifying additives, a kind of premixing dry-mix made through being uniformly mixed, be mainly used in building exterior wall heat preserving, there is the advantages such as easy construction, good endurance, high temperature resistant, fire prevention.Thermal insulation mortar consumption is large, uses wide, but can use a large amount of cement in thermal insulation mortar, and cement can discharge a large amount of CO when producing
2, NO
xand SO
3in harmful exhaust and dust, can cause very large load to environment, the development degree of aggravation Greenhouse effect and acid rain, produces extremely adverse influence to global climate and human survival.Produce cement energy consumption in addition high, often produce 1 ton of cement and will expend 115kg coal and 108kWh electricity, and consume the natural resourcess such as a large amount of Wingdales.Therefore, for generally using thermal insulation mortar, we need to develop a kind of gelling material that can replace cement.
Summary of the invention
The technical problem to be solved in the present invention is to provide the excellent and geopolymer base heat-insulating mortar dry powder of environmental protection of a kind of performance.
In order to solve the problems of the technologies described above, the invention provides a kind of geopolymer base heat-insulating mortar dry powder, this geopolymer base heat-insulating mortar dry powder is grouped into by the one-tenth of following weight content: gelling material 40 ~ 50%, light skeletal 40 ~ 50%, auxiliary agent 5 ~ 12.5%;
Described gelling material is geopolymer.
Improvement as geopolymer base heat-insulating mortar dry powder of the present invention: geopolymer is for alkali source with the mixture of water glass and NaOH, in alkali source, admix aluminum silicate material be prepared from, described water glass modulus 2 ~ 4, water glass and NaOH weight ratio are 1 ~ 3:1, and described alkali source and aluminum silicate substance weight are than being 1:5 ~ 10.
Water glass modulus 2 ~ 4, that is, Na
2onSiO
2in n be 2 ~ 4.
Further improvement as geopolymer base heat-insulating mortar dry powder of the present invention: described aluminum silicate material is that the high reactivity alumina-silica raw material of 0.6 ~ 3.5:1 and low activity alumina-silica raw material form by weight ratio, described high reactivity alumina-silica raw material is at least one in metakaolin, slag (that is, for arbitrary or 2 kinds); Described low activity alumina-silica raw material is flyash, mine tailing, building castoff regeneration fine powder, at least one (that is, for appointing one or more) in mud;
High reactivity alumina-silica raw material and low activity alumina-silica raw material are particle diameter and cross 200 mesh sieves, screen over-size≤20%.
Further improvement as geopolymer base heat-insulating mortar dry powder of the present invention:
Described aglite is at least one (that is, for appointing one or more) in haydite, pearlstone, drift pearl, glass bead; Described auxiliary agent is redispersible latex powder, lignocellulose, water reducer, hydroxypropyl methyl cellulose ether.
Further improvement as geopolymer base heat-insulating mortar dry powder of the present invention:
Described haydite particle diameter 1 ~ 3mm, density 60 ~ 90kg/m
3; Described pearlstone particle diameter 1 ~ 3mm, density 60 ~ 90kg/m
3; Described drift bead footpath 0.1 ~ 0.5mm, density 250 ~ 450kg/m
3; Described glass bead particle diameter 0.1 ~ 0.5mm, density 150 ~ 200kg/m
3;
Described redispersable latex powder is multipolymer, vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer, the acrylic copolymer of ethylene/vinyl acetate;
Described lignocellulose length 0.5 ~ 1.0mm; Described water reducer is polycarboxylate water-reducer.
Further improvement as geopolymer base heat-insulating mortar dry powder of the present invention:
Geopolymer base heat-insulating mortar dry powder is grouped into by the one-tenth of following weight content: geopolymer 40 ~ 50%, light skeletal 40 ~ 50%, redispersible latex powder 1 ~ 5%, lignocellulose 3 ~ 5% (being preferably 3 ~ 4%), water reducer 0.3 ~ 0.5%, hydroxypropyl methyl cellulose ether 1 ~ 2%.
The present invention also provides the preparation method of above-mentioned geopolymer base heat-insulating mortar dry powder (composition and proportioning described above) thereof simultaneously, comprises the following steps:
(1), by water glass, NaOH and aluminum silicate material in ball grinder, closed ball milling is to crossing 200 mesh sieves, and screen over-size≤20%, obtains geopolymer (powdery);
(2), by light skeletal and auxiliary agent mix (mixing time 5 ~ 10min, rotating speed 200 ~ 500rpm can carry out in mixing machine);
(3), the geopolymer powder material of step (1) gained is added in the compound of step (2) gained, continue mixing (mixing time 2 ~ 5min, mixing velocity 200 ~ 500rpm), obtain geopolymer base heat-insulating mortar dry powder.
The sealing of this geopolymer base heat-insulating mortar dry powder is preserved stand-by.
During the actual use of geopolymer base heat-insulating mortar dry powder of the present invention, by dry powder and water according to the weight ratio Homogeneous phase mixing of 1:0.5, obtain geopolymer base thermal insulation mortar.
At present, conventional geopolymer preparation process is first dissolve water glass and NaOH, prepares the alkaline solution of finite concentration, modulus, after placement for some time (generally more than 24h), add alumina-silica raw material again, after mixing, reaction, obtain geopolymer; But such geopolymer cannot be applied to the present invention.
The present invention can not have the feature of water before use in conjunction with heat-insulating mortar dry powder, water glass and NaOH are joined in raw material in solid form, simultaneously for make its in use can rapid solution in water, in closed ball milling tank, it is levigate together with alumina-silica raw material (aluminum silicate material).Adopt closed ball milling to be in order to avoid the easy moisture absorption of NaOH, adopting and being total to ball milling with alumina-silica raw material is because contribute to levigate, is also conducive to water glass simultaneously, NaOH mixes with alumina-silica raw material, thus improve strong mechanical property.
It is metakaolin, slag that existing geopolymer commonly uses raw material, their activity are high, under alkali source effect, reaction is very fast, and geopolymer intensity also increases very fast, but easily cause cracking, the present invention, for overcoming this defect, is used low activity alumina-silica raw material and the composite use of high reactivity alumina-silica raw material, is designed by rational formula, realize geopolymer strength development reasonable, do not ftracture.
In sum, the present invention with specific geopolymer for gelling material, by solving levigate, the dispersed difficult problem of alkali source and the composite difficult problem of alumina-silica raw material, thus achieve easy construction, strength development is reasonable, the advantage such as do not ftracture; The energy consumption existed in the conventional vacuum mortar production process of tradition using cement as gelling material can also be overcome large, pollute the shortcomings such as large.
After the heat-insulating mortar dry powder blunge that the present invention produces, thermal insulation mortar construction technology construction routinely, after sclerosis, mortar dry density presses GB/T5486.3-2001 standard testing, ultimate compression strength density presses GB/T5486.2-2001 standard testing, thermal conductivity presses GB/T10294 standard testing, and combustionproperty rank presses GB/T5464 standard testing; All meet the requirements.
Embodiment
Embodiment 1,
A kind of geopolymer base heat-insulating mortar dry powder, formula is (% by weight): geopolymer 40%, light skeletal 50%, the copolymer latices powder 5% of ethylene/vinyl acetate, lignocellulose (length 0.5 ~ 1.0mm) 3.7%, polycarboxylate water-reducer 0.3%, Vltra tears 1%.Wherein: geopolymer is followed successively by the water glass (modulus 2.85) of 1.6:1:10:3 by weight ratio, NaOH, slag, building castoff regenerate fine powder and form; Light skeletal is pearlstone (particle diameter 1 ~ 3mm, density 60 ~ 90kg/m
3).
Dry powder production technique is:
(1), in ball grinder, closed ball milling is to crossing 200 mesh sieves, and screen over-size≤20%, obtains geopolymer powder material to take water glass, NaOH and aluminosilicate materials (slag, building castoff regeneration fine powder) according to quantity.
(2) in mixing machine, light skeletal is added and auxiliary agent (the copolymer latices powder of ethylene/vinyl acetate, lignocellulose, polycarboxylate water-reducer, Vltra tears) mixes, mixing time 5min, mixing velocity 500rpm.
(3) the geopolymer powder material being prepared by step (1) gained joins step (2) according to quantity and prepares in the compound of gained, continue mixing 2min, mixing velocity 500rpm, obtains geopolymer base heat-insulating mortar dry powder, and sealing is preserved stand-by.
By heat-insulating mortar dry powder: water weight ratio is 1:0.5 mix, the thermal insulation mortar after sclerosis is without cracking phenomena, and performance is as follows: dry density 320kg/m
3, ultimate compression strength 1.0MPa, thermal conductivity 0.059W/ (mK), combustionproperty rank A level.
Embodiment 2,
A kind of geopolymer base heat-insulating mortar dry powder, formula is (% by weight): geopolymer 50%, light skeletal 40%, the copolymer latices powder 5% of ethylene/vinyl acetate, lignocellulose (length 0.5 ~ 1.0mm) 3.7%, polycarboxylate water-reducer 0.3%, Vltra tears 1%.Wherein: geopolymer is followed successively by the water glass (modulus 2.85) of 1.6:1:13:13 by weight ratio, NaOH, slag, flyash form; Light skeletal is haydite (particle diameter 1 ~ 3mm, density 60 ~ 90kg/m
3).
Production technique is equal to embodiment 1.
By heat-insulating mortar dry powder: water weight ratio is 1:0.5 mix, the thermal insulation mortar after sclerosis is without cracking phenomena, and performance is as follows:
Dry density 345kg/m
3, ultimate compression strength 1.2MPa, thermal conductivity 0.067W/ (mK), combustionproperty rank A level.
Embodiment 3,
A kind of geopolymer base heat-insulating mortar dry powder, formula is (% by weight): geopolymer 45%, light skeletal 48%, vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer latex powder 1.5%, lignocellulose (length 0.5 ~ 1.0mm) 3.0%, polycarboxylate water-reducer 0.5%, Vltra tears 2%.Wherein: geopolymer is followed successively by the water glass (modulus 3.85) of 1:1:10:5 by weight ratio, NaOH, metakaolin, building castoff regenerate fine powder and form; Light skeletal is haydite (particle diameter 1 ~ 3mm, the density 60 ~ 90kg/m of 1:1 by weight ratio
3), glass bead (particle diameter 0.1 ~ 0.5mm, density 150 ~ 200kg/m
3) composition.
By heat-insulating mortar dry powder: water weight ratio is 1:0.5 mix, the thermal insulation mortar after sclerosis is without cracking phenomena, and performance is as follows:
Dry density 365kg/m
3, ultimate compression strength 1.3MPa, thermal conductivity 0.065W/ (mK), combustionproperty rank A level.
Embodiment 4,
A kind of geopolymer base heat-insulating mortar dry powder, formula is (% by weight): geopolymer 45%, light skeletal 48%, vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer latex powder 1.5%, lignocellulose (length 0.5 ~ 1.0mm) 3.0%, polycarboxylate water-reducer 0.5%, Vltra tears 2%.Wherein: geopolymer is followed successively by the water glass (modulus 3.85) of 1:1:8:8 by weight ratio, NaOH, metakaolin, building castoff regenerate fine powder and form; Light skeletal is drift pearl (particle diameter 0.1 ~ 0.5mm, the density 250 ~ 450kg/m of 1:2 by weight ratio
3), glass bead (particle diameter 0.1 ~ 0.5mm, density 150 ~ 200kg/m
3) composition.
By heat-insulating mortar dry powder: water weight ratio is 1:0.5 mix, the thermal insulation mortar after sclerosis is without cracking phenomena, and performance is as follows:
Dry density 382kg/m
3, ultimate compression strength 1.5MPa, thermal conductivity 0.074W/ (mK), combustionproperty rank A level.
Embodiment 5,
A kind of geopolymer base heat-insulating mortar dry powder, formula is (% by weight): geopolymer 48%, light skeletal 45%, acryl copolymer latex powder 1.0%, lignocellulose (length 0.5 ~ 1.0mm) 3.5%, polycarboxylate water-reducer 0.5%, Vltra tears 2%.Wherein: geopolymer is followed successively by the water glass (modulus 2.0) of 3:1:10:15 by weight ratio, NaOH, slag, mine tailing form; Light skeletal is pearlstone (particle diameter 1-3mm, density 60 ~ 90kg/m
3), glass bead (particle diameter 0.1 ~ 0.5mm, density 150 ~ 200kg/m
3), weight ratio is 3:1.
By heat-insulating mortar dry powder: water weight ratio is 1:0.5 mix, the thermal insulation mortar after sclerosis is without cracking phenomena, and performance is as follows:
Dry density 368kg/m
3, ultimate compression strength 1.4MPa, thermal conductivity 0.069W/ (mK), combustionproperty rank A level.
Embodiment 6,
A kind of geopolymer base heat-insulating mortar dry powder, formula is (% by weight): geopolymer 45%, light skeletal 45%, acryl copolymer latex powder 4.0%, lignocellulose (length 0.5 ~ 1.0mm) 3.5%, polycarboxylate water-reducer 0.5%, Vltra tears 2%.Wherein: geopolymer is followed successively by the water glass (modulus 2.0) of 3:1:10:6:10 by weight ratio, NaOH, slag, flyash, mine tailing form; Light skeletal is pearlstone (particle diameter 1-3mm, the density 60 ~ 90kg/m of 4:1 by weight ratio
3), glass bead (particle diameter 0.1 ~ 0.5mm, density 150 ~ 200kg/m
3) composition.
By heat-insulating mortar dry powder: water weight ratio is 1:0.5 mix, the thermal insulation mortar after sclerosis is without cracking phenomena, and performance is as follows:: dry density 330kg/m
3, ultimate compression strength 1.2MPa, thermal conductivity 0.066W/ (mK), combustionproperty rank A level.
Comparative example 1,
" geopolymer 40%, light skeletal 50% " in embodiment 1 changed to " geopolymer 35%, light skeletal 55% ", all the other are equal to embodiment 1.After sclerosis, thermal insulation mortar performance is as follows: dry density 320kg/m
3, ultimate compression strength 0.4MPa, thermal conductivity 0.081W/ (mK), combustionproperty rank A level.
Comparative example 2,
" geopolymer 40%, light skeletal 50% " in embodiment 1 changed to " geopolymer 55%, light skeletal 35% ", all the other are equal to embodiment 1.After sclerosis, thermal insulation mortar performance is as follows: thermal conductivity 0.101W/ (mK), combustionproperty rank A level.
Comparative example 3,
" weight ratio of water glass (modulus 2.85), NaOH, slag, building castoff regeneration fine powder " in embodiment 1 is changed to 1.6:1:23:7 by 1.6:1:10:3, and all the other are equal to embodiment 1.After sclerosis, thermal insulation mortar performance is as follows: dry density 500kg/m
3, ultimate compression strength 0.2MPa, thermal conductivity 0.120W/ (mK), combustionproperty rank A level.
Comparative example 4,
" weight ratio of water glass (modulus 2.85), NaOH, slag, building castoff regeneration fine powder " in embodiment 1 is changed to 0.7:1:10:3 by 1.6:1:10:3, and all the other are equal to embodiment 1.After sclerosis, thermal insulation mortar performance is as follows: dry density 300kg/m
3, ultimate compression strength 0.4MPa, thermal conductivity 0.081W/ (mK), combustionproperty rank A level.
Comparative example 5,
" weight ratio of water glass (modulus 2.85), NaOH, slag, building castoff regeneration fine powder " in embodiment 1 is changed to 3.3:1:10:3 by 1.6:1:10:3, and all the other are equal to embodiment 1.After sclerosis, thermal insulation mortar performance is as follows: dry density 330kg/m
3, ultimate compression strength 0.7MPa, thermal conductivity 0.085W/ (mK), combustionproperty rank A level.
Comparative example 6,
" geopolymer be followed successively by the water glass (modulus 2.85) of 1.6:1:10:3 by weight ratio, NaOH, slag, building castoff regenerate fine powder and form " in embodiment 1 is changed to " geopolymer be followed successively by the water glass (modulus 2.85) of 1.6:1:13 by weight ratio, NaOH, slag form "; All the other are equal to embodiment 1.After sclerosis there is Local Cracking phenomenon in thermal insulation mortar; Do not meet product requirement.
Comparative example 7,
Building castoff regeneration fine powder in embodiment 1 is modified to metakaolin, and weight ratio is constant, and all the other are equal to embodiment 1.After sclerosis there is Local Cracking phenomenon in thermal insulation mortar; Do not meet product requirement.
Finally, it is also to be noted that what enumerate above is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (7)
1. geopolymer base heat-insulating mortar dry powder, is characterized in that geopolymer base heat-insulating mortar dry powder is grouped into by the one-tenth of following weight content: gelling material 40 ~ 50%, light skeletal 40 ~ 50%, auxiliary agent 5 ~ 12.5%;
Described gelling material is geopolymer.
2. geopolymer base heat-insulating mortar dry powder according to claim 1, is characterized in that:
Described geopolymer is for alkali source with the mixture of water glass and NaOH, in alkali source, admix aluminum silicate material be prepared from, described water glass modulus 2 ~ 4, water glass and NaOH weight ratio are 1 ~ 3:1, and described alkali source and aluminum silicate substance weight are than being 1:5 ~ 10.
3. geopolymer base heat-insulating mortar dry powder according to claim 2, is characterized in that:
Described aluminum silicate material is that the high reactivity alumina-silica raw material of 0.6 ~ 3.5:1 and low activity alumina-silica raw material form by weight ratio, described high reactivity alumina-silica raw material is at least one in metakaolin, slag, and described low activity alumina-silica raw material is at least one in flyash, mine tailing, building castoff regeneration fine powder, mud;
High reactivity alumina-silica raw material and low activity alumina-silica raw material are particle diameter and cross 200 mesh sieves, screen over-size≤20%.
4. the geopolymer base heat-insulating mortar dry powder according to Claims 2 or 3, is characterized in that:
Described aglite is at least one in haydite, pearlstone, drift pearl, glass bead; Described auxiliary agent is redispersible latex powder, lignocellulose, water reducer, hydroxypropyl methyl cellulose ether.
5. geopolymer base heat-insulating mortar dry powder according to claim 4, is characterized in that:
Described haydite particle diameter 1 ~ 3mm, density 60 ~ 90kg/m
3; Described pearlstone particle diameter 1 ~ 3mm, density 60 ~ 90kg/m
3; Described drift bead footpath 0.1 ~ 0.5mm, density 250 ~ 450kg/m
3; Described glass bead particle diameter 0.1 ~ 0.5mm, density 150 ~ 200kg/m
3;
Described redispersable latex powder is multipolymer, vinyl acetate between to for plastic/tertiary monocarboxylic acid ethylene copolymer, the acrylic copolymer of ethylene/vinyl acetate;
Described lignocellulose length 0.5 ~ 1.0mm; Described water reducer is polycarboxylate water-reducer.
6., according to the arbitrary described geopolymer base heat-insulating mortar dry powder of Claims 1 to 5, it is characterized in that:
Geopolymer base heat-insulating mortar dry powder is grouped into by the one-tenth of following weight content: geopolymer 40 ~ 50%, light skeletal 40 ~ 50%, redispersible latex powder 1 ~ 5%, lignocellulose 3 ~ 5%, water reducer 0.3 ~ 0.5%, hydroxypropyl methyl cellulose ether 1 ~ 2%.
7. the preparation method of the arbitrary described geopolymer base heat-insulating mortar dry powder of claim 2 ~ 6, is characterized in that comprising the following steps:
(1), by water glass, NaOH and aluminum silicate material in ball grinder, closed ball milling is to crossing 200 mesh sieves, and screen over-size≤20%, obtains geopolymer;
(2), light skeletal and auxiliary agent are mixed;
(3), the geopolymer powder material of step (1) gained is added in the compound of step (2) gained, continues mixing, obtain geopolymer base heat-insulating mortar dry powder.
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| CN106518155A (en) * | 2016-11-18 | 2017-03-22 | 中建七局第四建筑有限公司 | Geopolymer-based thermal insulation mortar with water resistance and fire resistance |
| CN107098668A (en) * | 2017-03-23 | 2017-08-29 | 中南大学 | A kind of inorganic gel matrix composite foamed material and preparation method thereof |
| CZ307086B6 (en) * | 2016-07-29 | 2018-01-03 | Sand Team, Spol. S R.O. | A method of preparation of a foundry geopolymer binder and a device for implementation of this method |
| WO2018024474A1 (en) * | 2016-08-05 | 2018-02-08 | Imerys Ceramics France | Dry particulate compositions for the formation of geopolymers, a process for forming geopolymers and the geopolymers obtained as a result |
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| CN106082927B (en) * | 2016-06-17 | 2018-07-17 | 南京德滨环保科技有限公司 | A kind of alkali-activated slag system geopolymer concrete and preparation method thereof |
| CZ307086B6 (en) * | 2016-07-29 | 2018-01-03 | Sand Team, Spol. S R.O. | A method of preparation of a foundry geopolymer binder and a device for implementation of this method |
| WO2018024474A1 (en) * | 2016-08-05 | 2018-02-08 | Imerys Ceramics France | Dry particulate compositions for the formation of geopolymers, a process for forming geopolymers and the geopolymers obtained as a result |
| AU2017305533B2 (en) * | 2016-08-05 | 2022-01-27 | Imertech Sas | Dry particulate compositions for the formation of geopolymers, a process for forming geopolymers and the geopolymers obtained as a result |
| EP3287427A1 (en) * | 2016-08-25 | 2018-02-28 | Imerys Ceramics France | Dry particulate compositions for the formation of geopolymers, a process for forming geopolymers and the geopolymers obtained as a result |
| CN106518155B (en) * | 2016-11-18 | 2017-11-10 | 中建七局第四建筑有限公司 | Geopolymer base thermal insulation mortar with waterproof fireproofing function |
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| CN107098668A (en) * | 2017-03-23 | 2017-08-29 | 中南大学 | A kind of inorganic gel matrix composite foamed material and preparation method thereof |
| CN107098668B (en) * | 2017-03-23 | 2019-07-16 | 中南大学 | A kind of inorganic gel matrix composite foamed material and preparation method thereof |
| CN108275971A (en) * | 2017-10-24 | 2018-07-13 | 上海老港废弃物处置有限公司 | A kind of preparation method of waste material of buildings base heat-barrier material |
| CN110437691A (en) * | 2018-05-03 | 2019-11-12 | 徐庆明 | Aqueous inorganic miberal powder insulating mold coating |
| CN108585748A (en) * | 2018-06-19 | 2018-09-28 | 同济大学 | A kind of recycling processing method of building castoff |
| CN108585748B (en) * | 2018-06-19 | 2019-11-29 | 同济大学 | A kind of recycling processing method of building castoff |
| CN110128069B (en) * | 2019-06-10 | 2021-09-21 | 山东省分析测试中心 | Method for improving crack resistance of aluminosilicate polymer, aluminosilicate polymer and application |
| CN110128069A (en) * | 2019-06-10 | 2019-08-16 | 山东省分析测试中心 | A kind of method and aluminosilicate polymer and application improving aluminosilicate polymer crack resistance |
| CN111003973A (en) * | 2019-12-10 | 2020-04-14 | 苏州科技大学 | Multifunctional inorganic polymer repair mortar and preparation method thereof |
| CN111620603A (en) * | 2020-05-15 | 2020-09-04 | 南宁市吉发环保科技有限公司 | Sound insulation mortar prepared by recycling waste incineration slag and preparation method thereof |
| CN112010578A (en) * | 2020-09-09 | 2020-12-01 | 武汉大学 | Baking-free red mud-based polymer and preparation method thereof |
| CN113135700A (en) * | 2021-04-22 | 2021-07-20 | 河南省交通规划设计研究院股份有限公司 | Solid waste base geopolymer mortar dry blend |
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