CN109485365A - A kind of insulating foam lightweight ceramic wall material and preparation method thereof - Google Patents
A kind of insulating foam lightweight ceramic wall material and preparation method thereof Download PDFInfo
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- CN109485365A CN109485365A CN201811463692.8A CN201811463692A CN109485365A CN 109485365 A CN109485365 A CN 109485365A CN 201811463692 A CN201811463692 A CN 201811463692A CN 109485365 A CN109485365 A CN 109485365A
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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
- C04B28/14—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 calcium sulfate cements
- C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
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- 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
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1033—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- 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
- C04B2111/40—Porous or lightweight materials
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- 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
- C04B2111/52—Sound-insulating materials
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- 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
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Abstract
The invention proposes a kind of insulating foam lightweight ceramic wall materials, are prepared by weight by following raw material: 50-90 parts of desulfurized gypsum, 40-70 parts of portland cement, 10-20 parts of glass fibre, 15-30 parts of quartz sand, 5-10 parts of calcium carbonate, 15-25 parts of diatomite, 7-17 parts of microcapsules of storing energy through phase change, Al2O330-50 parts of foamed ceramics, 2-7 parts of water-reducing agent, 1-5 parts of foaming agent, 3-7 parts of cosolvent and 30-60 parts of water.Raw material sources of the present invention are wide, preparation method is simple and convenient, Al2O3The density and thermal coefficient of material is effectively reduced in the addition of foamed ceramics and microcapsules of storing energy through phase change, and heat storage capacity is good, has good heat insulating ability, the porous structure of diatomite, so that there is material better heat insulation performance therefore to have broad application prospects.
Description
Technical field
The present invention relates to materials for wall technical fields, and in particular to a kind of insulating foam lightweight ceramic wall material.
Background technique
Since self-thermal insulation material develops, organic insulation material is always mainstay material, and important position is in entire industry
It sets, organic insulation material is mainly derived from petroleum by-product, and organic insulation material biggest advantage is light, heat preservation, heat-insulated
Property it is good, cost is also low, and greatest drawback is that safety is poor, and easy to aging, easy firing, fire protecting performance are low, and the smog to burn is big, poison
Property is big.
In inorganic heat insulation material, rock wool and mineral wool are widely adopted in international market, the maximum operation (service) temperature energy of rock wool
Reach 650 DEG C, mineral wool also can achieve 300 DEG C.But the rock wool disadvantage that there is also hygroscopicity is big, heat insulation effect is poor, and
And rock wool is natural minerals, belongs to non-renewable resources.In general, inorganic heat insulation material fire protecting performance is good, but there is also
Density is larger, and thermal coefficient is higher, compared with organic material, the poor feature of heat preservation and energy conservation effects.
Produce every year more than ten00000000 tons of industrial solid castoff of China, reprocessing utilization rate is low, and environmental pollution is serious.Hair
Various industrial solid castoff processing techniques are opened up, promotes its optimizing network resource utilization, has become urgent problem to be solved.With state
The continuous improvement of interior building security requirement and the tight demand of energy-saving and emission-reduction, prepare novel inorganic using trade waste and protect
Adiabator is the important directions of energy-saving building materials development.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of insulating foam lightweight ceramic wall material and its preparation
Method, it is intended that a kind of insulating foam lightweight ceramic wall material is provided, by adding microcapsules of storing energy through phase change, so that
The present invention had not only maintained the good advantage of traditional eps foam plate light weight, heat-proof quality, but also had biggish heat storage capacity, can be with
The variation of effective use natural environment temperature carries out storage heat, to keep room temperature.
The present invention provides a kind of insulating foam lightweight ceramic wall material, is prepared from the following materials: desulfurized gypsum, silicon
Acid salt cement, glass fibre, quartz sand, calcium carbonate, diatomite, microcapsules of storing energy through phase change, Al2O3Foamed ceramics, water-reducing agent, hair
Infusion, cosolvent and water；
The microcapsules of storing energy through phase change is prepared by following methods: by the aqueous solution addition for the emulsifier that mass fraction is 10%
Into deionized water, pH value is adjusted to 4.5, this solution is as water phase；Pentaerythrite and 2- amino-2-methyl -1,3- third is added
Glycol, oil-soluble monomer styrene, divinylbenzene, initiator azodiisobutyronitrile are warming up to 30-40 DEG C, and stirring makes to cause
Agent, monomer are uniformly mixed as oily phase with alcohol；Water phase and oil are mixed, 70 DEG C is warming up to, is existed using high-speed shearing machine
Emulsification pretreatment 2min under the revolving speed of 12000r/min, obtains oil-in-water lotion, and lotion is transferred to the reactor preheated in advance
In, it is passed through inert nitrogen gas, mechanical stirring speed is 200r/min, and polymerization reaction about 8h at 70 DEG C forms core-shell structure
Phase-change microcapsule.
As further improvement of the invention, it is prepared by weight by following raw material: 50-90 parts of desulfurized gypsum, silicon
40-70 parts of acid salt cement, 10-20 parts of glass fibre, 15-30 parts of quartz sand, 5-10 parts of calcium carbonate, 15-25 parts of diatomite, phase transformation
7-17 parts of accumulation energy microcapsule, Al2O330-50 parts of foamed ceramics, 2-7 parts of water-reducing agent, 1-5 parts of foaming agent, 3-7 parts of cosolvent and water
30-60 parts.
As further improvement of the invention, it is prepared by weight by following raw material: 60-80 parts of desulfurized gypsum, silicon
50-60 parts of acid salt cement, 12-17 parts of glass fibre, 17-25 parts of quartz sand, 6-8 parts of calcium carbonate, 17-22 parts of diatomite, phase transformation
9-15 parts of accumulation energy microcapsule, Al2O335-45 parts of foamed ceramics, 4-6 parts of water-reducing agent, 2-4 parts of foaming agent, 4-6 parts of cosolvent and water
35-55 parts.
As further improvement of the invention, it is prepared by weight by following raw material: 70 parts of desulfurized gypsum, silicate
55 parts of cement, 15 parts of glass fibre, 20 parts of quartz sand, 7 parts of calcium carbonate, 20 parts of diatomite, 12 parts of microcapsules of storing energy through phase change, Al2O3
40 parts of foamed ceramics, 5 parts of water-reducing agent, 3 parts of foaming agent, 5 parts of cosolvent and 40 parts of water.
As further improvement of the invention, the Al2O3Foamed ceramics is prepared by following methods: weighing isobutene
Copolymer made of being copolymerized with maleic anhydride by 1:1 is dissolved in deionized water, adds Al2O3Powder is configured to slurry, with 300r/
Surfactant and triethanolamine are added into slurry by min speed ball milling 1h, carry out mechanical stirring foaming, gained foam is starched
Material injection die for molding, is placed at room temperature for and demoulds afterwards for 24 hours, at 55-65 DEG C after dry 10-12h, carries out to the green body after drying
Pressureless sintering, sintering temperature are 1500 DEG C, are sintered 2-3h.
As further improvement of the invention, the surfactant is anionic surfactant, is selected from stearic acid
Salt, alkylbenzene sulfonate, alpha-alkene sulfonate, alkylsulfonate, α-sulfomonocarboxylic acid ester, fatty acid sulfoalkyl ester, succinic acid
One of sulfonated ester, alkylnaphthalene sulfonate, petroleum sulfonate, lignosulfonates and alkyl glyceryl ether sulfonate are several
Kind.
As further improvement of the invention, the water-reducing agent is selected from modified melamine water reducer, sulfamate subtracts
One of aqua, aliphatic water reducing agent, melamine water reducing agent, powder polycarboxylate, casein and poly carboxylic acid series water reducer or
It is several.
As further improvement of the invention, the foaming agent is selected from carbonate, waterglass, silicon carbide, carbon black, positive penta
Alkane, n-hexane, normal heptane, petroleum ether, trichlorofluoromethane, dichlorotetra-fluoroethane, dicholorodifluoromethane and lauryl sodium sulfate
One or more of.
As further improvement of the invention, the cosolvent is selected from sodium benzoate, citric acid, calcium lactate, urethane, urine
One or more of element, niacinamide, acetamide, isooctanol and tween.
The present invention further protects a kind of preparation method of above-mentioned insulating foam lightweight ceramic wall material, according to lower section
Method preparation: desulfurized gypsum, portland cement, glass fibre, quartz sand, calcium carbonate and diatomite are weighed in proportion, is stirred evenly
Afterwards, water-reducing agent is dissolved in 1/2 water, pours into mixture, then stirs evenly, obtain slurries, by microcapsules of storing energy through phase change,
Al2O3Foamed ceramics, foaming agent, cosolvent are added in remaining water, stir evenly, pour into above-mentioned slurries, quickly stir 10s
Afterwards, mix is poured into mould and is vibrated, obtain pattern after the completion of operation of vibrating, film is covered on pattern surface, after standing 1-3d
Demoulding is put into fog room maintenance 10-12d up to insulating foam lightweight ceramic wall material
The invention has the following beneficial effects:
1. the diatomite that the present invention adds contains clay matter mineral because of its porosity, there is stronger plasticity, cohere
Property, agglutinating property, have certain intensity and hardness after processed, voidage is higher, has good thermal insulation property, while can subtract
Light construction weight；
2. the present invention is prepared for one kind using polystyrene as carrier, mixture of higher alcohols is phase-change material, this class phase transformation
Accumulation energy microcapsule is solid-solid phase-change, this composite phase-change material particle is bonded on eps foam plate, manufactured light phase transition
Heat accumulation materials for wall had not only maintained the good advantage of traditional eps foam plate light weight, heat-proof quality, but also has had biggish accumulation of heat energy
Power, the variation that can efficiently use natural environment temperature carries out storage heat, to keep room temperature；
3. Al prepared by the present invention2O3Foamed ceramics has the excellent characteristics such as low-density, lower thermal conductivity and high-specific surface area,
Apply it in the preparation of light wall material, can effectively lightening material density, reduce thermal conductivity, to realize heat preservation
Effect；
4. raw material sources of the present invention are wide, preparation method is simple and convenient, Al2O3Foamed ceramics and microcapsules of storing energy through phase change add
Add the density and thermal coefficient that material is effectively reduced, heat storage capacity is good, have good heat insulating ability, the porous structure of diatomite,
So that there is material better heat insulation performance therefore to have broad application prospects.
Detailed description of the invention
Fig. 1 is the preparation flow figure of insulating foam lightweight ceramic wall material of the present invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, the embodiment described is the embodiment of part of representative of the invention, rather than whole embodiments, this field are general
Other all embodiments obtained belong to protection of the invention to logical technical staff without making creative work
Range.
Embodiment 1
Raw material form (parts by weight): 50 parts of desulfurized gypsum, 40 parts of portland cement, 10 parts of glass fibre, 15 parts of quartz sand,
5 parts of calcium carbonate, 15 parts of diatomite, 7 parts of microcapsules of storing energy through phase change, Al2O330 parts of foamed ceramics, 2 parts of powder polycarboxylic acids methyl esters, water
1 part of glass, 3 parts of tween and 30 parts of water.
The microcapsules of storing energy through phase change is prepared by following methods: by the aqueous solution for the emulsifier that 10g mass fraction is 10%
It is added in 77g deionized water, adjusts pH value to 4.5, this solution is as water phase；It is 1:1 pentaerythrite and 2- that mass ratio, which is added,
Amino-2-methyl -1,3-PD 10g, oil-soluble monomer styrene 2g, divinylbenzene 1g, initiator azodiisobutyronitrile
0.06g is warming up to 30 DEG C, and stirring makes initiator, and monomer is uniformly mixed as oily phase with alcohol；Water phase and oil are mixed, heated up
To 70 DEG C, using high-speed shearing machine under the revolving speed of 12000r/min emulsification pretreatment 2min, oil-in-water lotion is obtained, by lotion
It is transferred in the reactor preheated in advance, is passed through inert nitrogen gas, mechanical stirring speed is 200r/min, is polymerize at 70 DEG C anti-
Should about 8h, form the phase-change microcapsule of core-shell structure.
The Al2O3Foamed ceramics is prepared by following methods: weighing 100g isobutene and maleic anhydride is copolymerized by 1:1
Made of copolymer be dissolved in deionized water, add 20g Al2O3Powder is configured to slurry, with 300r/min speed ball milling 1h,
10g sodium lignin sulfonate and 3g triethanolamine are added into slurry, carries out mechanical stirring foaming, gained foamed slurry is injected into mould
It is formed in tool, is placed at room temperature for and demoulds afterwards for 24 hours, at 55 DEG C after dry 10h, pressureless sintering, sintering are carried out to the green body after drying
Temperature is 1500 DEG C, is sintered 2h.
A kind of preparation method of insulating foam lightweight ceramic wall material, prepares in accordance with the following methods: weighing in proportion de-
Sulphur gypsum, portland cement, glass fibre, quartz sand, calcium carbonate and diatomite, after mixing evenly, by powder polycarboxylic acids methyl esters
It is dissolved in 1/2 water, is poured into mixture, is then stirred evenly, slurries are obtained, by microcapsules of storing energy through phase change, Al2O3Foamed ceramics,
Waterglass, tween are added in remaining water, stir evenly, pour into above-mentioned slurries, and after quickly stirring 10s, mix is poured into
It vibrates in mould, obtains pattern after the completion of operation of vibrating, cover film on pattern surface, stand demoulding after 1d, be put into fog room and support
10d is protected up to insulating foam lightweight ceramic wall material.
Embodiment 2
Raw material form (parts by weight): 90 parts of desulfurized gypsum, 70 parts of portland cement, 20 parts of glass fibre, 30 parts of quartz sand,
10 parts of calcium carbonate, 25 parts of diatomite, 17 parts of microcapsules of storing energy through phase change, Al2O350 parts of foamed ceramics, 7 parts of melamine water reducing agent, three
5 parts of chlorofluoromethane, 7 parts of acetamide and 60 parts of water.
The microcapsules of storing energy through phase change is prepared by following methods: by the aqueous solution for the emulsifier that 10g mass fraction is 10%
It is added in 77g deionized water, adjusts pH value to 4.5, this solution is as water phase；It is 1:1 pentaerythrite and 2- that mass ratio, which is added,
Amino-2-methyl -1,3-PD 10g, oil-soluble monomer styrene 2g, divinylbenzene 1g, initiator azodiisobutyronitrile
0.06g is warming up to 40 DEG C, and stirring makes initiator, and monomer is uniformly mixed as oily phase with alcohol；Water phase and oil are mixed, heated up
To 70 DEG C, using high-speed shearing machine under the revolving speed of 12000r/min emulsification pretreatment 2min, oil-in-water lotion is obtained, by lotion
It is transferred in the reactor preheated in advance, is passed through inert nitrogen gas, mechanical stirring speed is 200r/min, is polymerize at 70 DEG C anti-
Should about 8h, form the phase-change microcapsule of core-shell structure.
The Al2O3Foamed ceramics is prepared by following methods: weighing 100g isobutene and maleic anhydride is copolymerized by 1:1
Made of copolymer be dissolved in deionized water, add 20g Al2O3Powder is configured to slurry, with 300r/min speed ball milling 1h,
10g alkyl glycerylether sodium sulfonate and 3g triethanolamine are added into slurry, carries out mechanical stirring foaming, gained foamed slurry is infused
Enter die for molding, be placed at room temperature for and demould afterwards for 24 hours, at 65 DEG C after dry 12h, pressureless sintering is carried out to the green body after drying,
Sintering temperature is 1500 DEG C, is sintered 3h.
A kind of preparation method of insulating foam lightweight ceramic wall material, prepares in accordance with the following methods: weighing in proportion de-
Sulphur gypsum, portland cement, glass fibre, quartz sand, calcium carbonate and diatomite, it is after mixing evenly, melamine water reducing agent is molten
It in 1/2 water, pours into mixture, then stirs evenly, obtain slurries, by microcapsules of storing energy through phase change, Al2O3Foamed ceramics, three
Chlorofluoromethane, acetamide are added in remaining water, stir evenly, pour into above-mentioned slurries, after quickly stirring 10s, by mix
It pours into mould and vibrates, obtain pattern after the completion of operation of vibrating, cover film on pattern surface, stand demoulding after 3d, be put into maintenance
Room conserves 12d up to insulating foam lightweight ceramic wall material.
Embodiment 3
Raw material form (parts by weight): 60 parts of desulfurized gypsum, 50 parts of portland cement, 12 parts of glass fibre, 17 parts of quartz sand,
6 parts of calcium carbonate, 17 parts of diatomite, 9 parts of microcapsules of storing energy through phase change, Al2O335 parts of foamed ceramics, 4 parts of sulfamate water reducer,
2 parts of pentane, 4 parts of niacinamide and 35 parts of water.
The microcapsules of storing energy through phase change is prepared by following methods: by the aqueous solution for the emulsifier that 10g mass fraction is 10%
It is added in 77g deionized water, adjusts pH value to 4.5, this solution is as water phase；It is 1:1 pentaerythrite and 2- that mass ratio, which is added,
Amino-2-methyl -1,3-PD 10g, oil-soluble monomer styrene 2g, divinylbenzene 1g, initiator azodiisobutyronitrile
0.06g is warming up to 32 DEG C, and stirring makes initiator, and monomer is uniformly mixed as oily phase with alcohol；Water phase and oil are mixed, heated up
To 70 DEG C, using high-speed shearing machine under the revolving speed of 12000r/min emulsification pretreatment 2min, oil-in-water lotion is obtained, by lotion
It is transferred in the reactor preheated in advance, is passed through inert nitrogen gas, mechanical stirring speed is 200r/min, is polymerize at 70 DEG C anti-
Should about 8h, form the phase-change microcapsule of core-shell structure.
The Al2O3Foamed ceramics is prepared by following methods: weighing 100g isobutene and maleic anhydride is copolymerized by 1:1
Made of copolymer be dissolved in deionized water, add 20g Al2O3Powder is configured to slurry, with 300r/min speed ball milling 1h,
10g Disodium sulfosuccinate and 3g triethanolamine are added into slurry, carries out mechanical stirring foaming, gained foamed slurry is injected
Die for molding is placed at room temperature for and demoulds afterwards for 24 hours, at 57 DEG C after dry 11h, carries out pressureless sintering to the green body after drying, burns
Junction temperature is 1500 DEG C, is sintered 2h.
A kind of preparation method of insulating foam lightweight ceramic wall material, prepares in accordance with the following methods: weighing in proportion de-
Sulphur gypsum, portland cement, glass fibre, quartz sand, calcium carbonate and diatomite, after mixing evenly, by sulfamate diminishing
Agent is dissolved in 1/2 water, pours into mixture, then stirs evenly, and obtains slurries, by microcapsules of storing energy through phase change, Al2O3Foam pottery
Porcelain, pentane, niacinamide are added in remaining water, stir evenly, pour into above-mentioned slurries, after quickly stirring 10s, by mix
It pours into mould and vibrates, obtain pattern after the completion of operation of vibrating, cover film on pattern surface, stand demoulding after 2d, be put into maintenance
Room conserves 11d up to insulating foam lightweight ceramic wall material.
Embodiment 4
Raw material form (parts by weight): 80 parts of desulfurized gypsum, 60 parts of portland cement, 17 parts of glass fibre, 25 parts of quartz sand,
8 parts of calcium carbonate, 22 parts of diatomite, 15 parts of microcapsules of storing energy through phase change, Al2O345 parts of foamed ceramics, 6 parts of aliphatic water reducing agent, dichloro
4 parts of difluoromethane, 6 parts of urea and 55 parts of water.
The microcapsules of storing energy through phase change is prepared by following methods: by the aqueous solution for the emulsifier that 10g mass fraction is 10%
It is added in 77g deionized water, adjusts pH value to 4.5, this solution is as water phase；It is 1:1 pentaerythrite and 2- that mass ratio, which is added,
Amino-2-methyl -1,3-PD 10g, oil-soluble monomer styrene 2g, divinylbenzene 1g, initiator azodiisobutyronitrile
0.06g is warming up to 37 DEG C, and stirring makes initiator, and monomer is uniformly mixed as oily phase with alcohol；Water phase and oil are mixed, heated up
To 70 DEG C, using high-speed shearing machine under the revolving speed of 12000r/min emulsification pretreatment 2min, oil-in-water lotion is obtained, by lotion
It is transferred in the reactor preheated in advance, is passed through inert nitrogen gas, mechanical stirring speed is 200r/min, is polymerize at 70 DEG C anti-
Should about 8h, form the phase-change microcapsule of core-shell structure.
The Al2O3Foamed ceramics is prepared by following methods: weighing 100g isobutene and maleic anhydride is copolymerized by 1:1
Made of copolymer be dissolved in deionized water, add 20g Al2O3Powder is configured to slurry, with 300r/min speed ball milling 1h,
10g alpha-sulfo monocarboxylic acid methyl esters and 3g triethanolamine are added into slurry, carries out mechanical stirring foaming, gained foamed slurry is infused
Enter die for molding, be placed at room temperature for and demould afterwards for 24 hours, at 62 DEG C after dry 11h, pressureless sintering is carried out to the green body after drying,
Sintering temperature is 1500 DEG C, is sintered 3h.
A kind of preparation method of insulating foam lightweight ceramic wall material, prepares in accordance with the following methods: weighing in proportion de-
Sulphur gypsum, portland cement, glass fibre, quartz sand, calcium carbonate and diatomite, it is after mixing evenly, aliphatic water reducing agent is molten
It in 1/2 water, pours into mixture, then stirs evenly, obtain slurries, by microcapsules of storing energy through phase change, Al2O3Foamed ceramics, two
Dichlorodifluoromethane, urea are added in remaining water, stir evenly, pour into above-mentioned slurries, after quickly stirring 10s, by mix
It pours into mould and vibrates, obtain pattern after the completion of operation of vibrating, cover film on pattern surface, stand demoulding after 2d, be put into maintenance
Room conserves 11d up to insulating foam lightweight ceramic wall material.
Embodiment 5
Raw material form (parts by weight): 70 parts of desulfurized gypsum, 55 parts of portland cement, 15 parts of glass fibre, 20 parts of quartz sand,
7 parts of calcium carbonate, 20 parts of diatomite, 12 parts of microcapsules of storing energy through phase change, Al2O340 parts of foamed ceramics, modified melamine water reducer 5
Part, 3 parts of silicon carbide, 5 parts of urethane and 40 parts of water.
The microcapsules of storing energy through phase change is prepared by following methods: by the aqueous solution for the emulsifier that 10g mass fraction is 10%
It is added in 77g deionized water, adjusts pH value to 4.5, this solution is as water phase；It is 1:1 pentaerythrite and 2- that mass ratio, which is added,
Amino-2-methyl -1,3-PD 10g, oil-soluble monomer styrene 2g, divinylbenzene 1g, initiator azodiisobutyronitrile
0.06g is warming up to 35 DEG C, and stirring makes initiator, and monomer is uniformly mixed as oily phase with alcohol；Water phase and oil are mixed, heated up
To 70 DEG C, using high-speed shearing machine under the revolving speed of 12000r/min emulsification pretreatment 2min, oil-in-water lotion is obtained, by lotion
It is transferred in the reactor preheated in advance, is passed through inert nitrogen gas, mechanical stirring speed is 200r/min, is polymerize at 70 DEG C anti-
Should about 8h, form the phase-change microcapsule of core-shell structure.
The Al2O3Foamed ceramics is prepared by following methods: weighing isobutene and maleic anhydride is copolymerized by 1:1
Copolymer 1 00g be dissolved in deionized water, add 20g Al2O3Powder is configured to slurry, with 300r/min speed ball milling 1h,
10g sodium alkyl benzene sulfonate and 3g triethanolamine are added into slurry, carries out mechanical stirring foaming, gained foamed slurry is injected into mould
It is formed in tool, is placed at room temperature for and demoulds afterwards for 24 hours, at 60 DEG C after dry 11h, pressureless sintering, sintering are carried out to the green body after drying
Temperature is 1500 DEG C, is sintered 2.5h.
A kind of preparation method of insulating foam lightweight ceramic wall material, prepares in accordance with the following methods: weighing in proportion de-
Sulphur gypsum, portland cement, glass fibre, quartz sand, calcium carbonate and diatomite after mixing evenly subtract modified cyanurotriamide
Aqua is dissolved in 1/2 water, pours into mixture, then stirs evenly, and obtains slurries, by microcapsules of storing energy through phase change, Al2O3Foam
Ceramics, silicon carbide, urethane are added in remaining water, stir evenly, pour into above-mentioned slurries, after quickly stirring 10s, will mix and stir
Object, which pours into mould, to vibrate, and obtains pattern after the completion of operation of vibrating, and covers film on pattern surface, stands demoulding after 2d, be put into feeding
Room maintenance 11d is protected up to insulating foam lightweight ceramic wall material.
Comparative example 1
According to Chinese invention patent (grant number: CN 103951457B) " foamed ceramics wall heat insulation material and its preparation side
It is prepared by the method for method "
Raw material forms (weight percent): silicon carbide 16%, gangue and shale are with weight ratio 1:1 mixing 45%, fine coal
Ash 8%, ore-rock 24%, clay 7%.
Wherein: the partial size of gangue Hesuo rock is 80 mesh, and the partial size of flyash is 120 mesh, and the partial size of ore-rock is 80 mesh, is glued
The partial size of soil is 120 mesh.
Preparation method the following steps are included:
All raw materials are individually crushed, are mixed in proportion, are stirred by blender, feed intake firing, firing temperature 1150
DEG C, firing time is 48 hours.
Test case 1
1-5 of the embodiment of the present invention and comparative example 1 materials for wall prepared are tested for the property, the results are shown in Table 1.
1 the performance test results table of table
As seen from the above table, the insulating foam lightweight ceramic wall material of preparation of the embodiment of the present invention is compared with comparative example 1, tool
There is more superior comprehensive performance: the lower (87-95kg/m of bulk density3), the materials for wall density is lower, lighter；Thermally conductive system
Number lower (0.012-0.015W/ (MK)) has good thermal insulation property；Tensile strength height (1.50-1.52MPa), mechanics
It has excellent performance；Water absorption rate is low (2-3%), has good waterproof performance, is not easy the moisture absorption.
Compared with prior art, the diatomite added in insulating foam lightweight ceramic wall material prepared by the present invention is because of it
Porosity, and contain clay matter mineral, has stronger plasticity, cohesiveness, agglutinating property, have after processed certain intensity and
Hardness, voidage is higher, has good thermal insulation property, while can mitigate construction weight；The present invention is prepared for a kind of with poly-
For styrene as carrier, mixture of higher alcohols is phase-change material, and this kind of microcapsules of storing energy through phase change is solid-solid phase-change, will be this multiple
It closes phase-change material particle to be bonded on eps foam plate, manufactured light phase transition heat accumulation materials for wall, had both maintained traditional EPS bubble
The good advantage of foam plate light weight, heat-proof quality, and there is biggish heat storage capacity, the change of natural environment temperature can be efficiently used
Change carries out storage heat, to keep room temperature；Al prepared by the present invention2O3Foamed ceramics has low-density, lower thermal conductivity and height
The excellent characteristics such as specific surface area, apply it in the preparation of light wall material, can effectively lightening material density, reduce
Thermal conductivity, to realize the effect of heat preservation；Raw material sources of the present invention are wide, preparation method is simple and convenient, Al2O3Foamed ceramics and phase
The density and thermal coefficient of material is effectively reduced in the addition for becoming accumulation energy microcapsule, and heat storage capacity is good, has good heat insulating ability, silicon
The porous structure of diatomaceous earth, so that there is material better heat insulation performance therefore to have broad application prospects.
Those skilled in the art is not under conditions of departing from the spirit and scope of the present invention that claims determine, also
Various modifications can be carried out to the above content.Therefore the scope of the present invention is not limited in above explanation, but by
The range of claims determines.
Claims (10)
1. a kind of insulating foam lightweight ceramic wall material, which is characterized in that be prepared from the following materials: desulfurized gypsum, silicon
Acid salt cement, glass fibre, quartz sand, calcium carbonate, diatomite, microcapsules of storing energy through phase change, Al2O3Foamed ceramics, water-reducing agent, hair
Infusion, cosolvent and water；
The microcapsules of storing energy through phase change is prepared by following methods: the aqueous solution by mass fraction for 10% emulsifier is added to
In ionized water, pH value is adjusted to 4.5, this solution is as water phase；Pentaerythrite and 2-Amino-2-methyl-1,3-propanediol is added,
Oil-soluble monomer styrene, divinylbenzene, initiator azodiisobutyronitrile are warming up to 30-40 DEG C, and stirring makes initiator, single
Body is uniformly mixed as oily phase with alcohol；Water phase and oil are mixed, 70 DEG C are warming up to, using high-speed shearing machine in 12000r/min
Revolving speed under emulsification pretreatment 2min, obtain oil-in-water lotion, lotion be transferred in the reactor preheated in advance, be passed through inertia
Gas nitrogen, mechanical stirring speed are 200r/min, and polymerization reaction about 8h at 70 DEG C forms the phase-change microcapsule of core-shell structure.
2. a kind of insulating foam lightweight ceramic wall material according to claim 1, which is characterized in that by following raw material by weight
Amount part be prepared: 50-90 parts of desulfurized gypsum, 40-70 parts of portland cement, 10-20 parts of glass fibre, 15-30 parts of quartz sand,
5-10 parts of calcium carbonate, 15-25 parts of diatomite, 7-17 parts of microcapsules of storing energy through phase change, Al2O330-50 parts of foamed ceramics, water-reducing agent 2-7
Part, 1-5 parts of foaming agent, 3-7 parts of cosolvent and 30-60 parts of water.
3. a kind of insulating foam lightweight ceramic wall material according to claim 2, which is characterized in that by following raw material by weight
Amount part be prepared: 60-80 parts of desulfurized gypsum, 50-60 parts of portland cement, 12-17 parts of glass fibre, 17-25 parts of quartz sand,
6-8 parts of calcium carbonate, 17-22 parts of diatomite, 9-15 parts of microcapsules of storing energy through phase change, Al2O335-45 parts of foamed ceramics, water-reducing agent 4-6
Part, 2-4 parts of foaming agent, 4-6 parts of cosolvent and 35-55 parts of water.
4. a kind of insulating foam lightweight ceramic wall material according to claim 3, which is characterized in that by following raw material by weight
Amount part is prepared: 70 parts of desulfurized gypsum, 55 parts of portland cement, 15 parts of glass fibre, 20 parts of quartz sand, 7 parts of calcium carbonate, silicon
20 parts of diatomaceous earth, 12 parts of microcapsules of storing energy through phase change, Al2O340 parts of foamed ceramics, 5 parts of water-reducing agent, 3 parts of foaming agent, 5 parts of cosolvent and
40 parts of water.
5. a kind of insulating foam lightweight ceramic wall material according to claim 1, which is characterized in that the Al2O3Foam pottery
Porcelain is prepared by following methods: weigh isobutene and maleic anhydride be copolymerized by 1:1 made of copolymer be dissolved in deionized water,
Add Al2O3Powder is configured to slurry, and with 300r/min speed ball milling 1h, surfactant and three ethyl alcohol are added into slurry
Amine carries out mechanical stirring foaming, and gained foamed slurry is injected die for molding, is placed at room temperature for and demoulds afterwards for 24 hours, in 55-65
At DEG C after dry 10-12h, pressureless sintering is carried out to the green body after drying, sintering temperature is 1500 DEG C, is sintered 2-3h.
6. a kind of insulating foam lightweight ceramic wall material according to claim 5, which is characterized in that the surfactant
For anionic surfactant, it is selected from stearate, alkylbenzene sulfonate, alpha-alkene sulfonate, alkylsulfonate, alpha-sulfo
Monocarboxylate, fatty acid sulfoalkyl ester, sulphosuccinates, alkylnaphthalene sulfonate, petroleum sulfonate, lignosulfonates and
One or more of alkyl glyceryl ether sulfonate.
7. a kind of insulating foam lightweight ceramic wall material according to claim 1, which is characterized in that the water-reducing agent is selected from
Modified melamine water reducer, aliphatic water reducing agent, melamine water reducing agent, powder polycarboxylate, is done sulfamate water reducer
One or more of casein and poly carboxylic acid series water reducer.
8. a kind of insulating foam lightweight ceramic wall material according to claim 1, which is characterized in that the foaming agent is selected from
Carbonate, waterglass, silicon carbide, carbon black, pentane, n-hexane, normal heptane, petroleum ether, trichlorofluoromethane, dichloro-tetrafluoro second
One or more of alkane, dicholorodifluoromethane and lauryl sodium sulfate.
9. a kind of insulating foam lightweight ceramic wall material according to claim 1, which is characterized in that the cosolvent is selected from
One or more of sodium benzoate, citric acid, calcium lactate, urethane, urea, niacinamide, acetamide, isooctanol and tween.
10. a kind of preparation method of insulating foam lightweight ceramic wall material described in -9 any claims according to claim 1,
It is characterized in that, preparing in accordance with the following methods: weighing desulfurized gypsum, portland cement, glass fibre, quartz sand, carbon in proportion
Water-reducing agent is dissolved in 1/2 water, poured into mixture, then stirred evenly, starched by sour calcium and diatomite after mixing evenly
Liquid, by microcapsules of storing energy through phase change, Al2O3Foamed ceramics, foaming agent, cosolvent are added in remaining water, stir evenly, pour into
It states in slurries, after quickly stirring 10s, mix is poured into mould and is vibrated, pattern is obtained after the completion of operation of vibrating, on pattern surface
Film is covered, demoulding after 1-3d is stood, is put into fog room maintenance 10-12d up to insulating foam lightweight ceramic wall material.
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