CN107445574A - Compound plasterboard of a kind of phase-change microcapsule of inorganic material coating and its preparation method and application - Google Patents
Compound plasterboard of a kind of phase-change microcapsule of inorganic material coating and its preparation method and application Download PDFInfo
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- CN107445574A CN107445574A CN201710686910.3A CN201710686910A CN107445574A CN 107445574 A CN107445574 A CN 107445574A CN 201710686910 A CN201710686910 A CN 201710686910A CN 107445574 A CN107445574 A CN 107445574A
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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
- C04B28/18—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 mixtures of the silica-lime type
- C04B28/186—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 mixtures of the silica-lime type containing formed Ca-silicates before the final hardening step
- C04B28/188—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 mixtures of the silica-lime type containing formed Ca-silicates before the final hardening step the Ca-silicates being present in the starting mixture
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage 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
- 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
- C04B2111/2038—Resistance against physical degradation
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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
- 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
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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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
- 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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- 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
- C04B2111/52—Sound-insulating materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Abstract
The invention discloses compound plasterboard of a kind of phase-change microcapsule of inorganic material coating and its preparation method and application.The compound plasterboard of the phase-change microcapsule of the inorganic material coating includes phase-change microcapsule, land plaster, cellulose and the polyvinyl alcohol of inorganic material coating；The enthalpy retention of the phase-change microcapsule of the inorganic material coating is 20~99%；The average grain diameter of the phase-change microcapsule is 0.1~100 micron；Inorganic material itself is non-combustible used in the phase-change microcapsule of the inorganic material coating, therefore the phase-change microcapsule that the phase-change microcapsule of inorganic material coating compares organic material cladding has more preferable security performance.The plasterboard that the phase-change microcapsule for the inorganic material coating that the present invention is prepared is compound has the features such as lightweight, fire prevention, sound insulation, antidetonation, floor space are few, good decorating effect, comprehensive cost low.The plasterboard for interior wall house indoor temperature control at 2~4 DEG C, there is good heat insulation effect.
Description
Technical field
The invention belongs to phase-change material technical field, more particularly to a kind of phase-change microcapsule of inorganic material coating are compound
Plasterboard and its preparation method and application.
Background technology
Energy problem is the subject matter for limiting human development, how to improve the use effect of the energy to greatest extent
Rate, it is always study hotspot in recent years., can be by the transformation of thing phase, so as to realize energy under different temperature conditionss
The material of storage and temperature control function is referred to as phase change material or phase-change material, because it has good energy storage and temperature control energy
Power, in recent years as the study hotspot in the fields such as energy-saving application, system temperature control.Phase-change material absorbs when temperature is higher than transformation temperature
Heat and undergo phase transition (thermal energy storage process), conversely when temperature declines, reverse phase transformation (exergonic process) occurs during less than transformation temperature.This
Kind is referred to as hidden heat energy storage using the phase transition process of material to carry out the mode of energy storage.
The microencapsulation of phase-change material has become study hotspot in recent years, different according to the wall material of cladding, phase transformation material
Material can be divided into two kinds of organic wall material phase-change material and inorganic wall material phase-change material.
Organic wall material majority is based on amino resins and its material modified system, and it generally has preferably cladding effect
Fruit, but the overwhelming majority has combustibility, and substantial amounts of volatilizable organic matter is remained in the phase-change material coated
(such as：Formaldehyde), this just brings many potential safety hazards to the practical application of phase-change material.
Compared with organic wall material, inorganic wall material can not burn, and have more preferable security performance；In addition, inorganic material coating
Phase-change material have the advantages that phase transition temperature is constant, energy storage density is big, thermal conductivity is high.Therefore, the phase transformation of inorganic material coating
Microcapsules have more preferable application prospect in terms of energy saving building material.But in terms of production capacity, it is prepared on a large scale inorganic material coating
Phase-change microcapsule remain difficult to realize；Moreover, the phase-change microcapsule of the inorganic material coating of existing report, its phase transformation material coated
The amount for the phase-change material that the amount of material coats in the phase-change microcapsule far below organic material cladding；These defects are serious to be limited
Its application in actual production.
The content of the invention
In order to solve the deficiencies in the prior art, it is an object of the invention to provide a kind of micro- glue of the phase transformation of inorganic material coating
Compound plasterboard of capsule and its preparation method and application.
The present invention seeks to what is be achieved through the following technical solutions：
A kind of compound plasterboard of phase-change microcapsule of inorganic material coating, the plasterboard include inorganic material coating
Phase-change microcapsule, land plaster, cellulose and polyvinyl alcohol；The phase-change microcapsule includes core and wall material；The core includes
Phase-change material, the wall material are inorganic material；The enthalpy retention of the phase-change microcapsule of the inorganic material coating be 20~
99%；The average grain diameter of the phase-change microcapsule is 0.1~100 micron.
According to the present invention, the mass percent that the phase-change microcapsule of the inorganic material coating accounts for the plasterboard is 1%
~30%；The mass percent that the land plaster accounts for the plasterboard is 70%~95%；The cellulose accounts for the plasterboard
Mass percent be 1%~10%；The mass percent that the polyvinyl alcohol accounts for the plasterboard is 1%~10%.
Preferably, the phase-change microcapsule of the inorganic material coating account for the mass percent of the plasterboard for 5%~
25%；The mass percent that the land plaster accounts for the plasterboard is 80%~95%；The cellulose accounts for the plasterboard
Mass percent is 2%~8%；The mass percent that the polyvinyl alcohol accounts for the plasterboard is 2%~8%.
Preferably, the enthalpy retention of the phase-change microcapsule of the inorganic material coating is 75%~99%.
It is further preferred that the enthalpy retention of the phase-change microcapsule of the inorganic material coating is 75%~95%.
It is highly preferred that the enthalpy retention of the phase-change microcapsule of the inorganic material coating is 80%~93%.
Preferably, the average grain diameter of the phase-change microcapsule of the inorganic material coating is 1~10 micron.
It is further preferred that the average grain diameter of the phase-change microcapsule of the inorganic material coating is 2~5 microns.
In the present invention, enthalpy retention and clad ratio and the core content of the phase-change microcapsule of described inorganic material coating
Unanimously, can be calculated by melting enthalpy or crystallization enthalpy, computational methods are as follows：
Enthalpy retention=clad ratio=core content=Δ Hm/ΔHm0× 100%；
Wall material content=100%- core contents；
Wherein, Δ Hm0For the transformation temperature enthalpy of the core of phase-change microcapsule, Δ HmFor the transformation temperature enthalpy of phase-change microcapsule.
According to the present invention, the phase-change material is solid-liquid phase change material, such as including alcohol compound, organic acid
At least one of compound, ester type compound, alkane derivative.
Preferably, the alcohol compound is selected from glycerine, erythrol, lauryl alcohol, tetradecyl alchohol, hexadecanol, erythritol
At least one of.
Preferably, the organic acid compound be selected from octanoic acid, capric acid, lauric acid/dodecanoic acid, tetradecylic acid, hexadecylic acid, octadecanoid acid,
At least one of laurate, myristic acid, palmitic acid, stearic acid.
Preferably, the ester type compound is selected from least one of laurate cellulose esters, cetyl stearic.
Preferably, the alkane derivative is selected from paraffin (14~80 DEG C of fusing point), aromatic hydrocarbon, aliphatic hydrocarbon (carbon number
At least one of for 8~100).
According to the present invention, the inorganic material includes SiO2、TiO2、SnO2、ZrO2And Al2O3At least one of.
According to the present invention, the phase transition temperature of the phase-change microcapsule of the inorganic material coating is 14~52 DEG C；Preferably
20~40 DEG C.
According to the present invention, the latent heat of phase change of the phase-change microcapsule of the inorganic material coating is 30J/g~240J/g, preferably
Ground is 100J/g~230J/g, further preferably 110J/g~220J/g.
According to the present invention, the land plaster is selected from any common land plaster known in the art, it is preferable that is selected from
At least one of plaster of Paris and high strength gypsum.
According to the present invention, the particle diameter of the land plaster is 1~250 μm；Preferably 30~60 μm.
According to the present invention, the cellulose is in hydroxypropyl methyl cellulose, hydroxyethyl cellulose and glass fibre
It is at least one.
According to the present invention, the latent heat of phase change of the compound plasterboard of the phase-change microcapsule of the inorganic material coating for 1J/g~
150J/g, preferably 20J/g~50J/g.
The present invention also provides the preparation method of the compound plasterboard of phase-change microcapsule of above-mentioned inorganic material coating, the system
Preparation Method comprises the following steps：
A) phase-change microcapsule of land plaster and inorganic material coating is well mixed, obtains mixed system；
B) cellulose, the mixture of polyethylene alcohol and water are added into step a) mixed system, quick stirring, is fallen rapidly
Enter and be compacted and strike off in mould, be stripped after reaction hardening, dried in ventilation, the phase transformation of the inorganic material coating is prepared
The compound plasterboard of microcapsules.
According to the present invention, the addition of the water is not limited so that the plasterboard being prepared can be compacted, after hardening
It can be stripped.
According to the present invention, the hardening temperature is 100-150 DEG C；The firm time is 1-4h.
The present invention also provides the application of the compound plasterboard of phase-change microcapsule of above-mentioned inorganic material coating, and it can be used for
In the fields such as construction material, handicraft.
Preferably, the plasterboard can be used for ceiling, wall, may also be fabricated which handicraft.
Beneficial effects of the present invention：
The invention provides compound plasterboard of a kind of phase-change microcapsule of inorganic material coating and preparation method thereof and answer
With.The compound plasterboard of the phase-change microcapsule of the inorganic material coating includes phase-change microcapsule, the gypsum of inorganic material coating
Powder, cellulose and polyvinyl alcohol；The phase-change microcapsule includes core and wall material；The core includes phase-change material, the wall
Material is inorganic material；The enthalpy retention of the phase-change microcapsule of the inorganic material coating is 20~99%；The micro- glue of phase transformation
The average grain diameter of capsule is 0.1~100 micron；Inorganic material used in the phase-change microcapsule of the inorganic material coating is in itself not
It is flammable, therefore the phase-change microcapsule that the phase-change microcapsule of inorganic material coating compares organic material cladding has more preferable security
Energy.The compound plasterboard of the phase-change microcapsule of the inorganic material coating that the present invention is prepared have lightweight, fire prevention, every
Sound, antidetonation, floor space are few, the features such as good decorating effect, comprehensive cost low.The preparation process is green, industrialization system
Standby to be easily achieved, process costs are reduced.The plasterboard for interior wall house indoor temperature control at 2~4 DEG C, have
Good heat insulation effect.
Embodiment
As it was previously stated, the invention provides a kind of compound plasterboard of phase-change microcapsule of inorganic material coating, the stone
Cream plate includes phase-change microcapsule, land plaster, cellulose and the polyvinyl alcohol of inorganic material coating；The phase-change microcapsule includes core
Material and wall material；The core includes phase-change material, and the wall material is inorganic material；The phase-change microcapsule of the inorganic material coating
Enthalpy retention be 20~99%；The average grain diameter of the phase-change microcapsule is 0.1~100 micron.
In the present invention, the preparation method of the phase-change microcapsule of the inorganic material coating comprises the following steps：
1) dispersed phase is prepared, including inorganic matter precursors are scattered in the phase-change material of melting；
2) continuous phase is prepared, including emulsifying agent is dissolved in polar solvent；
3) dispersed phase that step 1) is prepared is scattered in the continuous phase that step 2) is prepared, in the work of emulsifying agent
Under, emulsion is formed by emulsification；
4) emulsion that step 3) is prepared is subjected to interfacial reaction under normal temperature or heating condition, the nothing is prepared
The phase-change microcapsule of machine material cladding.
Wherein, in step 1), the inorganic matter precursors include R1CnH2n-M1(R2)m(R3)3-mOr R1CnH2n-M2
(R2)p(R3)2-pAt least one of；Wherein, M1For Si, Ti, Sn or Zr, M2For Al；M, n and p is integer, 0≤n≤127, and 0
≤ m≤3,0≤p≤2；The R1Selected from H, fatty alkyl, phenyl, epoxy radicals ,-OCyH2y+1, vinyl, amino ,-CN ,-
NHCONH2、-Cl、-NH(CH2)2NH2, 2,3- glycidoxies, methacryloxy or sulfydryl；R2、R3It is identical or different, that
This is independently selected from-Cl ,-CH3、-OCH2Ph、-OCyH2y+1Or-OC2H4OCH3；- the OCyH2y+1In, y is whole between 1-20
Number.
Preferably, the inorganic matter precursors include titanate coupling agent, esters of silicon acis coupling agent, the coupling of stannic acid ester
At least one of agent, zirconium ester coupling agent, aluminate coupling agent.
It is highly preferred that the inorganic matter precursors include tetra-n-butyl titanate, tetraisopropyl titanate, positive silicic acid second
Ester, glycidyl trimethoxy silane, phenyl triethoxysilane, aminopropyl trimethoxysilane, phenyltrimethoxysila,e,
N-octytriethoxysilane, the butyl ester of stannic acid four, NW-2 stannic acid ester coupling agents, tetrabutyl zirconate, the isopropyl ester of aluminic acid three, aluminic acid three
At least one of benzyl ester.
In step 1), the inorganic material is selected from titanium dioxide, silica, zirconium dioxide, tin ash, alchlor
At least one of.
Preferably, the inorganic material is selected from least one of titanium dioxide, silica, alchlor.
In step 1), the phase-change material is solid-liquid phase change material, can include alcohol compound, organic acid chemical combination
At least one of thing, ester type compound, alkane derivative.
Preferably, the alcohol compound is selected from glycerine, erythrol, lauryl alcohol, tetradecyl alchohol, hexadecanol, erythritol
At least one of.
Preferably, the organic acid compound be selected from octanoic acid, capric acid, lauric acid/dodecanoic acid, tetradecylic acid, hexadecylic acid, octadecanoid acid,
At least one of laurate, myristic acid, palmitic acid, stearic acid.
Preferably, the ester type compound is selected from least one of laurate cellulose esters, cetyl stearic.
Preferably, the alkane derivative is selected from paraffin (14~80 DEG C of fusing point), aromatic hydrocarbon, aliphatic hydrocarbon (carbon number
At least one of for 8~100, such as n-octadecane).
In step 1), the mass ratio of the inorganic matter precursors and phase-change material is 1:0.1~100；Preferably 1:1
~50.
In step 2), to regulate and control the hydrolysis-condensation speed of inorganic matter precursors, the pH using sour or alkali to continuous phase
Value is adjusted, adjust pH to 1~14, preferably 2~12.
Preferably, there is no particular limitation with its concentration for the selection of described acid or alkali, suitable for of the present invention anti-
Answer system.As exemplary, for the acid selected from least one of hydrochloric acid, sulfuric acid and nitric acid, the alkali is selected from hydrogen-oxygen
Change at least one of sodium, potassium hydroxide and ammoniacal liquor.
In step 2), the emulsifying agent includes sodium salt hydrolysate, the isobutyl of vinyl methyl ether-maleic anhydride multipolymer
The sodium salt hydrolysate of alkene-copolymer-maleic anhydride, sodium salt hydrolysate, the ethylene-maleic acid of styrene-maleic anhydride copolymer
The sodium salt hydrolysate of copolymer, acrylic or methacrylic acid and styrene, ethene, vinyl alcohol, vinylacetate, metering system
Acid amides, isobutene, acrylate, methacrylate or copolymer, polyvinylbenzenesulfonic acid, poly- second obtained by acrylonitrile compolymer
Alkenyl benzene sulfonic acid sodium, polyoxyethylene nonylphenol ether -5, emulsifier op-10, polysorbas20 (Tween20), polysorbate60 (Tween60), Tween 80
(Tween80), Triton X-100 X-100 (Triton X-100), lauryl sodium sulfate, dodecyl sodium sulfonate
At least one of sodium, neopelex, CTAB and amber sodium dioctyl sulfo.
In step 2), described polar solvent includes water, methanol, ethylene glycol, propane diols, glycerine, tetrahydrofuran, N, N-
At least one of dimethylformamide.
In step 3), the volume ratio of the dispersed phase and continuous phase is 1:1~100；Preferably 1:1~50.
In step 3), the dosage of the emulsifying agent is 0.5~30%, preferably the 1~20% of quality of the emulsion.
In step 3), high speed shearing emulsification or ultrasonic emulsification can be selected in the emulsification；The high speed shearing emulsification
Shear rate is in the range of 1000 revs/min~25000 revs/min, and shear time is in the range of 0.5 minute~30 minutes；Institute
Ultrasonic frequency when stating ultrasonic emulsification is in the range of 1000Hz~40000Hz, and the time of ultrasonic emulsification is 10 minutes~60
In the range of minute.
In step 4), the reaction temperature of the interfacial reaction is 20-90 DEG C, and the time of reaction is 0.5-72 hours.
Methods described still further comprises post-processing step, and the post processing specifically includes：Inorganic material coating will be mixed with
Phase-change microcapsule mixed system solid product is obtained by the method for centrifuging or filtering, washing, dry, that is, be prepared described
The phase-change microcapsule of inorganic material coating.
Preferably, when selecting centrifugal method to obtain solid product, the centrifugal speed is 3000~15000rpm, centrifugation
Time is 2~30 minutes；When selecting suction filtration method to obtain solid product, the suction filtration filter paper aperture is 50~500 μm.
Methods described specifically comprises the following steps：
A) inorganic matter precursors are distributed in the solid-liquid phase change material of melting, obtain uniform dispersion, will
The dispersion is as dispersed phase；
B) emulsifying agent is added to the water, and is disperseed to obtain uniform dispersion, using the dispersion as company
Continuous phase, meanwhile, utilize acid or the pH of alkali regulation continuous phase；
C) mixed by above-mentioned dispersed phase and continuously, in the presence of emulsifying agent, emulsion is formed by emulsification；
D) interfacial reaction is carried out under normal temperature or heating condition, obtains the phase-change microcapsule of inorganic wall material cladding；
E) the phase-change microcapsule dry powder by separating, washing, be dried to obtain the inorganic wall material cladding.
In the present invention, described phase-change microcapsule of inorganic material coating and preparation method thereof, carried on the same day referring to applicant
The patent of invention of the patent application entitled " a kind of phase-change microcapsule of inorganic material coating and its preparation method and application " of friendship, this
Place is fully incorporated as present disclosure.
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.Furthermore, it is to be understood that after described content of the invention has been read, this area skill
Art personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within limited range of the present invention.
Embodiment 1
(1) preparation of the phase-change microcapsule of inorganic material coating
10g butyl titanates, 2g aminopropyl trimethoxysilanes and 1g phenyltrimethoxysila,es is taken to be added to 30g positive ten
In eight alkane, oil phase is used as after being sufficiently mixed.Take 2.5g lauryl sodium sulfate to be added in 50g water, as aqueous phase, be using concentration
2mol/L hydrochloric acid adjusts aqueous phase pH to 2.5.By oil/water two-phase mixtures, emulsified using ultrasound, emulsification times 30min, will
Resulting emulsion is transferred in there-necked flask, and lower 70 DEG C of mechanical agitation is reacted 12 hours.By separating, washing and further
It is dried to obtain phase-change microcapsule dry powder.
The phase transition temperature of the phase-change microcapsule of the inorganic material coating being prepared is 25.05 DEG C, and latent heat of phase change is
124J/g。
(2) preparation of the compound plasterboard of the phase-change microcapsule of inorganic material coating
A) high strength gypsum powder and the phase-change microcapsule of inorganic material coating that particle diameter is 30~60 μm are well mixed, obtained
To mixed system；
B) hydroxypropyl methyl cellulose, the mixture of polyethylene alcohol and water are added into step a) mixed system, quickly
Stirring, pours into rapidly in mould and is compacted and strikes off, and at 120 DEG C, is stripped after reaction hardening 2h, dries, be prepared into ventilation
The plasterboard compound to the phase-change microcapsule of the inorganic material coating；
Wherein, the phase transformation of inorganic material coating described in the compound plasterboard of the phase-change microcapsule of the inorganic material coating
The mass percent that microcapsules account for the plasterboard is 15%；The mass percent that the land plaster accounts for the plasterboard is
70%；The mass percent that the cellulose accounts for the plasterboard is 8%；The polyvinyl alcohol accounts for the quality hundred of the plasterboard
Divide than being 7%.
The latent heat of phase change for the plasterboard that the present embodiment is prepared is 25J/g.
Embodiment 2
(1) preparation of the phase-change microcapsule of inorganic material coating
10g tetraethyl orthosilicates, 0.5g aminopropyl trimethoxysilanes and 0.5g n-octytriethoxysilanes is taken to be added to
In 30g octadecanes, oil phase is used as after being sufficiently mixed.Take 1g Tween 80 to be added in 50g water and be used as aqueous phase.Aqueous phase is added
Into oil phase, using high-speed shearing emulsion machine with 10000rpm emulsification pretreatment 10min, gained emulsion is transferred in there-necked flask,
Lower 70 DEG C of mechanical agitation is reacted 12 hours.By separating, washing and being further dried to obtain phase-change microcapsule dry powder.
The phase transition temperature of the phase-change microcapsule of the inorganic material coating being prepared is 25.05 DEG C, and latent heat of phase change is
124J/g。
(2) preparation of the compound plasterboard of the phase-change microcapsule of inorganic material coating
A) building gypsum plaster and the phase-change microcapsule of inorganic material coating that particle diameter is 30~60 μm are well mixed, obtained
Mixed system；
B) glass fibre, the mixture of polyethylene alcohol and water are added into step a) mixed system, it is quick to stir, rapidly
Pour into mould and be compacted and strike off, at 120 DEG C, be stripped after reaction hardening 2h, dry, be prepared described inorganic in ventilation
The compound plasterboard of phase-change microcapsule of material cladding；
Wherein, the phase transformation of inorganic material coating described in the compound plasterboard of the phase-change microcapsule of the inorganic material coating
The mass percent that microcapsules account for the plasterboard is 20%；The mass percent that the land plaster accounts for the plasterboard is
70%；The mass percent that the cellulose accounts for the plasterboard is 5%；The polyvinyl alcohol accounts for the quality hundred of the plasterboard
Divide than being 5%.
The latent heat of phase change for the plasterboard that the present embodiment is prepared is 31J/g.
More than, embodiments of the present invention are illustrated.But the present invention is not limited to above-mentioned embodiment.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. the compound plasterboard of a kind of phase-change microcapsule of inorganic material coating, it is characterised in that the plasterboard includes inorganic
Phase-change microcapsule, land plaster, cellulose and the polyvinyl alcohol of material cladding；The phase-change microcapsule includes core and wall material；Institute
Stating core includes phase-change material, and the wall material is inorganic material；The enthalpy of the phase-change microcapsule of the inorganic material coating is possessed
Rate is 20~99%；The average grain diameter of the phase-change microcapsule is 0.1~100 micron.
2. plasterboard according to claim 1, it is characterised in that the phase-change microcapsule of the inorganic material coating accounts for described
The mass percent of plasterboard is 1%~30%；The mass percent that the land plaster accounts for the plasterboard is 70%~95%；
The mass percent that the cellulose accounts for the plasterboard is 1%~10%；The polyvinyl alcohol accounts for the quality of the plasterboard
Percentage is 1%~10%.
3. plasterboard according to claim 1 or 2, it is characterised in that the phase-change microcapsule of the inorganic material coating accounts for
The mass percent of the plasterboard is 5%~25%；The land plaster account for the mass percent of the plasterboard for 80%~
95%；The mass percent that the cellulose accounts for the plasterboard is 2%~8%；The polyvinyl alcohol accounts for the plasterboard
Mass percent is 2%~8%.
4. according to the plasterboard any one of claim 1-3, it is characterised in that the phase transformation of the inorganic material coating is micro-
The enthalpy retention of capsule is 75%~99%.
Preferably, the enthalpy retention of the phase-change microcapsule of the inorganic material coating is 75%~95%.
Preferably, the enthalpy retention of the phase-change microcapsule of the inorganic material coating is 80%~93%.
Preferably, the average grain diameter of the phase-change microcapsule of the inorganic material coating is 1~10 micron.
Preferably, the average grain diameter of the phase-change microcapsule of the inorganic material coating is 2~5 microns.
5. according to the plasterboard any one of claim 1-4, it is characterised in that the phase-change material is solid-liquid phase change
Material, such as including at least one of alcohol compound, organic acid compound, ester type compound, alkane derivative.
Preferably, the alcohol compound is selected from glycerine, erythrol, lauryl alcohol, tetradecyl alchohol, hexadecanol, in erythritol
It is at least one.
Preferably, the organic acid compound is selected from octanoic acid, capric acid, lauric acid/dodecanoic acid, tetradecylic acid, hexadecylic acid, octadecanoid acid, bay
At least one of acid, myristic acid, palmitic acid, stearic acid.
Preferably, the ester type compound is selected from least one of laurate cellulose esters, cetyl stearic.
Preferably, the alkane derivative be selected from paraffin (14~80 DEG C of fusing point), aromatic hydrocarbon, aliphatic hydrocarbon (carbon number be 8~
At least one of 100).
6. according to the plasterboard any one of claim 1-5, it is characterised in that the inorganic material includes SiO2、
TiO2、SnO2、ZrO2And Al2O3At least one of.
Preferably, the phase transition temperature of the phase-change microcapsule of the inorganic material coating is 14~52 DEG C；Preferably 20~40 DEG C.
Preferably, the latent heat of phase change of the phase-change microcapsule of the inorganic material coating is 30J/g~240J/g, it is therefore preferable to
100J/g~230J/g, further preferably 110J/g~220J/g.
7. according to the plasterboard any one of claim 1-6, it is characterised in that the land plaster be selected from plaster of Paris and
At least one of high strength gypsum.
Preferably, the particle diameter of the land plaster is 1~250 μm；Preferably 30~60 μm.
Preferably, the cellulose is selected from least one of hydroxypropyl methyl cellulose, hydroxyethyl cellulose and glass fibre.
Preferably, the latent heat of phase change of the compound plasterboard of the phase-change microcapsule of the inorganic material coating is 1J/g~150J/g,
Preferably 20J/g~50J/g.
8. the preparation method of the compound plasterboard of the phase-change microcapsule of the inorganic material coating described in claim 1-7, its feature
It is, the preparation method comprises the following steps：
A) phase-change microcapsule of land plaster and inorganic material coating is well mixed, obtains mixed system；
B) cellulose, the mixture of polyethylene alcohol and water are added into step a) mixed system, quick stirring, pours into mould rapidly
It is compacted and strikes off in tool, is stripped after reaction hardening, is dried in ventilation, the micro- glue of phase transformation of the inorganic material coating is prepared
The compound plasterboard of capsule.
9. preparation method according to claim 8, it is characterised in that the hardening temperature is 100-150 DEG C；The hardening
Time is 1-4h.
10. the phase-change microcapsule of inorganic material coating according to claim 1-7 or that claim 8 or 9 is prepared
The application of compound plasterboard, it is used in construction material, handicraft field.
Preferably, the plasterboard is used for ceiling, wall, or preparing handicraft article.
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Cited By (8)
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| CN110144193A (en) * | 2019-06-03 | 2019-08-20 | 上海特栎材料科技有限公司 | A kind of silica microcapsules of storing energy through phase change and preparation method thereof |
| CN110759691A (en) * | 2018-07-27 | 2020-02-07 | 北新集团建材股份有限公司 | Environment-friendly phase-change gypsum board and preparation method thereof |
| CN111499321A (en) * | 2019-01-30 | 2020-08-07 | 中建材创新科技研究院有限公司 | Phase-change gypsum board with temperature control performance and preparation method thereof |
| CN111499322A (en) * | 2019-01-30 | 2020-08-07 | 中建材创新科技研究院有限公司 | Phase-change gypsum board with temperature control performance and preparation method thereof |
| CN111499323A (en) * | 2019-01-30 | 2020-08-07 | 中建材创新科技研究院有限公司 | Phase-change gypsum board and preparation method thereof |
| CN111606653A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Phase-change heat-storage gypsum plaster board and preparation method thereof |
| CN114437668A (en) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | Inorganic composite capsule wall phase change microcapsule |
| WO2022076063A3 (en) * | 2020-07-31 | 2022-08-04 | Georgia Tech Research Corporation | Methods and systems for reconfigurable hybrid metasurfaces |
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| CN110759691A (en) * | 2018-07-27 | 2020-02-07 | 北新集团建材股份有限公司 | Environment-friendly phase-change gypsum board and preparation method thereof |
| CN111499322A (en) * | 2019-01-30 | 2020-08-07 | 中建材创新科技研究院有限公司 | Phase-change gypsum board with temperature control performance and preparation method thereof |
| CN111499323A (en) * | 2019-01-30 | 2020-08-07 | 中建材创新科技研究院有限公司 | Phase-change gypsum board and preparation method thereof |
| CN111499321A (en) * | 2019-01-30 | 2020-08-07 | 中建材创新科技研究院有限公司 | Phase-change gypsum board with temperature control performance and preparation method thereof |
| CN111499322B (en) * | 2019-01-30 | 2022-01-07 | 中建材创新科技研究院有限公司 | Phase-change gypsum board with temperature control performance and preparation method thereof |
| CN111499321B (en) * | 2019-01-30 | 2022-01-28 | 中建材创新科技研究院有限公司 | Phase-change gypsum board with temperature control performance and preparation method thereof |
| CN111499323B (en) * | 2019-01-30 | 2022-04-29 | 中建材创新科技研究院有限公司 | Phase-change gypsum board and preparation method thereof |
| CN111606653A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Phase-change heat-storage gypsum plaster board and preparation method thereof |
| CN111606653B (en) * | 2019-04-29 | 2021-12-17 | 中建材创新科技研究院有限公司 | Phase-change heat-storage gypsum plaster board and preparation method thereof |
| CN110144193A (en) * | 2019-06-03 | 2019-08-20 | 上海特栎材料科技有限公司 | A kind of silica microcapsules of storing energy through phase change and preparation method thereof |
| WO2022076063A3 (en) * | 2020-07-31 | 2022-08-04 | Georgia Tech Research Corporation | Methods and systems for reconfigurable hybrid metasurfaces |
| CN114437668A (en) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | Inorganic composite capsule wall phase change microcapsule |
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