CN110092629A - A kind of phase transformation plasterboard for building - Google Patents
A kind of phase transformation plasterboard for building Download PDFInfo
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- CN110092629A CN110092629A CN201910309365.5A CN201910309365A CN110092629A CN 110092629 A CN110092629 A CN 110092629A CN 201910309365 A CN201910309365 A CN 201910309365A CN 110092629 A CN110092629 A CN 110092629A
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- change material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/08—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
-
- 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
- C04B2201/30—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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of phase transformation plasterboards for building, according to parts by weight, including following components: land plaster 40-70, phase-change material compound 40-100, expanded slag lightweight aggregate 20-60, chopped strand 0.5-2, water-reducing agent 1-5, water 60-150.The phase-change material compound, according to parts by weight, including following components: 90-110 parts of phase-change material, 20-40 parts of montmorillonite, 100-300 parts of water；Wherein the phase-change material includes one of aliphatic hydrocarbon compound, alcohol compound or ester type compound or a variety of；The aliphatic hydrocarbon compound is selected from one of hexadecane, n-octadecane or eicosane or a variety of；The alcohol compound is selected from one of lauryl alcohol, cyclohexanol, the tert-butyl alcohol or neopentyl glycol or a variety of；The ester type compound is n-butyl stearate.Product mechanical strength of the present invention is good, and for fire-protection rating up to A1 grades, energy storage density is big, the energy-saving and heat-insulating material suitable for assembled architecture.
Description
Technical field
The invention belongs to the field of building materials, in particular to a kind of phase transformation plasterboard for building.
Background technique
The portion's of building appearance " building industry modernization development outline " plan is lived on November 14th, 2015 to build to the year two thousand twenty assembled
20% or more the ratio for accounting for new building is built, 50% or more the ratio of new building is accounted for assembled architecture in 2025；2009 9
Month, " civil buildings exterior wall heat-preserving system and decoration of exterior wall fire prevention temporary provisions " issuing and implementation, the fire prevention to building thermal insulation material
Class requirement reaches A grades.Its component of assembled architecture is prefabricated in the factory, including heat-insulation system will be also integrated in component, therefore,
It can not use the thermal insulation mortar (fire-protection rating is A grade) for needing site operation, and some other conventional insulation materials, it is such as poly-
Urethane and polystyrol foam material, fire-protection rating are extremely difficult to A grades of requirement.
Phase-change material with practical application value is often solid-liquid phase change material, and latent heat of phase change is larger, but needs to carry out
Encapsulation, to prevent material leakage.Studying at present more is microencapsulated phase change material and porous or stratiform based phase-change material, using glue
Capsule technology can effectively solve the problem that the leakage problem in phase transition process, but most of capsule material is all polymer substance, thermally conductive
Performance is poor, reduces the storage density and hot property of phase-change material.Porous or layered medium has gypsum, bentonite, expanded pearlite
Rock, celluar concrete etc., they can be effectively prevented liquid leakage, while heat exchange efficiency is also higher, but energy storage density is smaller.
Therefore a kind of anti-leak is provided, heat exchange efficiency is also higher, storage density is high phase-change material for building it is necessary.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of phase transformation plasterboard for building.The phase transformation plasterboard exists
Generating material is not revealed in use process, has good storage density and hot property.The present invention also provides a kind of for building
Phase transformation plasterboard preparation method.
A kind of phase transformation plasterboard for building, according to parts by weight, including following components:
Preferably, a kind of phase transformation plasterboard for building, according to parts by weight, including following components:
It is further preferred that a kind of phase transformation plasterboard for building, according to parts by weight, including following components:
The mesh number of the land plaster is 120-180 mesh, and sulfur content is no more than 17%.
The chopped strand is short glass fiber (by megalith, limited liability company is provided, model ECS13-12-548)
Or polypropylene fibre, of length no more than 50mm of the chopped strand；The water-reducing agent is naphthalene sulfonic acid-formaldehyde condensation product or trimerization
Cyanamide formaldehyde condensation products.
Preferably, the land plaster is desulfurization gypsum powder.
The phase-change material compound, according to parts by weight, including following components: 90-110 parts (preferably 100 of phase-change material
Part), 20-40 parts of montmorillonite, 100-300 parts of water (preferably 100-240 parts, preferably deionized water).The wherein phase-change material packet
Include one of aliphatic hydrocarbon compound, alcohol compound or ester type compound or a variety of；Further, the phase-change material
It further include 52# paraffin (i.e. chlorinated paraffin -52).
Preferably, the aliphatic hydrocarbon compound be selected from one of hexadecane, n-octadecane or n-eicosane or
It is a variety of.
Preferably, the alcohol compound is selected from one of lauryl alcohol, cyclohexanol, the tert-butyl alcohol or neopentyl glycol or more
Kind.
Preferably, the ester type compound is n-butyl stearate.
The montmorillonite can be substituted by kaolin, bentonite.
The phase-change material compound, preparation process, comprising the following steps:
(1) each component is weighed by formula ratio, montmorillonite (is flowed in water with high shearing mixing emulsor by Shanghai Fu Luke
Body Machinery Manufacturing Co., Ltd. provides, model FA25-D) it is stirred under 2000-2700 revs/min (preferably 2500 revs/min)
Dispersed within 20-40 minutes, montmorillonite aqueous dispersion is made；
(2) phase-change material is heated to melting completely, phase-change material (the phase transition temperature model of phase-change material of molten state is made
Enclose 26-35 DEG C, 50-60 DEG C of the heating temperature range phase-change material that can be obtained molten state)；
(3) phase-change material of the molten state of step (2) preparation is added in montmorillonite aqueous dispersion, uses high shear mixing
Mulser stirs 5-20 minutes under 2800-3200 revs/min, and phase-change material compound is made.
The phase-change material compound is gel state.
The expanded slag lightweight aggregate is produced by Shoudu Iron and Steel Co. and is provided, the particle diameter of the expanded slag lightweight aggregate
70% is accounted for for 1.2-10mm, the particle of 10mm or more accounts for 20% or more, and the largest particles is up to 30mm, the particle diameter of surplus
Less than 1.2mm, loose capacity is 900-1450Kg/m3。
A kind of preparation method of phase transformation plasterboard for building, comprising the following steps:
(1) each component is weighed by formula ratio, desulfurization gypsum powder, water-reducing agent, chopped strand is added to the water, stirred evenly,
Slurry A is made；
(2) it by slurry A, expanded slag lightweight aggregate and phase-change material compound, is uniformly mixed, obtains gypsum base phase transformation
Slurry B；
(3) in steel die (such as the steel die of cuboid, length are respectively 1250*2500*90mm) bottom
Brown paper is completed, gypsum base phase transformation slurry B is paved onto mold, slurry thickness 8-10mm, then in gypsum base phase transformation slurry B
Upper laying layer of glass grid cloth, the gypsum base that then paves on fiberglass gridding cloth phase transformation slurry B, with a thickness of 30-
35mm then continues to be laid with fiberglass gridding cloth on gypsum base phase transformation slurry B, and crude product C is made；
(4) gypsum base that paves on crude product C phase transformation slurry B, with a thickness of 8-10mm, surface flattening processing, it is extra to scrape off
Then slurry stands 10-15 days at normal temperature, phase transformation plasterboard for building is made.
The Material claddings such as the phase-change material compound and land plaster of this new packaging form, chopped strand, in a mold
Phase transformation plasterboard is made.
Phase transformation plasterboard of the present invention, phase transition temperature are 25-35 DEG C, and latent heat of phase change has simultaneously up to 150J/g or so
Higher mechanical strength, up to A grades, can follow closely can bore fire-protection rating, and the assembly of convenient and inside and outside wall board is suitable for assembled architecture
Energy-saving and heat-insulating material.
Phase-change material compound of the present invention will be covered in water phase with high shear dispersion machine using montmorillonite (MMT)
De- soil is dispersed into lamellar structure, then be added phase-change material (can be the phase-change material of liquid, can also heat make phase-change material at
Molten condition), it is then carried out under conditions of high-speed stirred compound, the phase-change material compound of gel state can be made.Phase transformation material
It is coated with the lamella of montmorillonite around material micelle, is mutually overlapped between montmorillonite layer.This structure can accommodate more phases
Become material, heat storage capacity is bigger, simultaneously as MMT sheet surfaces, there is biggish adsorption capacity, phase-change material is limited in
In " cage " that MMT lamella is formed, it is not easy to leak out.The phase-change material compound of the gel state of this new packaging form and
Desulfurization gypsum powder, chopped strand, expanded slag lightweight aggregate and water-reducing agent are compound, and phase transformation gypsum for building is made in a mold
Plate.The phase transition temperature of phase transformation plasterboard for building of the present invention is 25-35 DEG C, and latent heat of phase change reaches 150J/g, has simultaneously
There is higher mechanical strength, up to A grades, can follow closely can bore fire-protection rating.
A kind of application of phase transformation plasterboard of the present invention, the phase transformation plasterboard are clipped among lining and Side fascia,
The assembly of convenient and inside and outside wall board, the energy-saving and heat-insulating material suitable for assembled architecture.
Compared with the existing technology, beneficial effects of the present invention are as follows:
(1) present invention using montmorillonite be easy in water dissociate characteristic, using high shear agitation, make its in water at
For lamella dispersion；Simultaneously under the action of high speed shear, the phase-change material of liquid becomes droplet one by one, by montmorillonite layer
It is isolated, ultimately forms the phase-change material compound of stable gel state.More phase-change materials, energy storage density can be accommodated
Greatly；It is compared with the phase-change material of encapsulated, due to covering the preferable thermal conductivity of puddle lamella, phase can occur in time for phase-change material
Become, plays the role of energy-saving heat preserving.
(2) this phase-change material compound has deferred action to desulfurization gypsum powder, and desulfurized gypsum is made to be not solidification speed
Degree is too fast and cracks；The water imbibition of desulfurized gypsum can also be effectively reduced simultaneously.
(3) phase transformation plasterboard mechanical strength with higher for building of the present invention, fire-protection rating, can up to A grades
Nail can bore, the assembly of convenient and inside and outside wall board, the energy-saving and heat-insulating material suitable for assembled architecture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of phase-change material compound prepared by embodiment 1.Wherein 1 indicate MMT, 2 indicate water, 3 tables
Show phase-change material.
Specific embodiment
In order to allow those skilled in the art that technical solution of the present invention is more clearly understood, following embodiment is now enumerated
It is illustrated.It is to be noted that embodiment of the present invention to the present invention claims protection scope do not constitute a limitation effect.
Embodiment 1
A kind of phase transformation plasterboard for building, according to parts by weight, including following components:
The phase-change material compound, according to parts by weight, including following components: 110 parts of phase-change material, montmorillonite 40
Part, 300 parts of water.Wherein the phase-change material is 70 parts of n-octadecanes, 40 parts of 52# paraffin.
The phase-change material compound, preparation process, comprising the following steps:
(1) each component is weighed by formula ratio, montmorillonite is dispersed in deionized water in 1000mL beaker, stirred, then
It is stirred 30 minutes and is dispersed under 2500 revs/min with high shearing mixing emulsor, montmorillonite aqueous dispersion is made；
(2) n-octadecane and 52# heating paraffin are melted in 500mL beaker to complete, the phase transformation material of molten state is made
Material；
(3) phase-change material of the molten state of step (2) preparation is added to the montmorillonite aqueous dispersion of step (1) preparation
In, it is stirred 10 minutes under 3000 revs/min with high shearing mixing emulsor, phase-change material compound is made.
Fig. 1 is the structural schematic diagram of phase-change material compound prepared by embodiment 1.Wherein 1 indicate montmorillonite, 2 indicate water,
3 indicate phase-change material, that is, n-octadecane, 52# paraffin.Montmorillonite is coated with around phase-change material micelle as can be seen from Figure 1
Lamella mutually overlaps between montmorillonite layer.This structure can accommodate more phase-change materials, and heat storage capacity is bigger, together
When, since montmorillonite layer surface is there is biggish adsorption capacity, phase-change material is limited in " cage " of montmorillonite layer formation,
It is not easy to leak out.
Phase-change material compound obtained only needs to take out 100 parts and is used to prepare phase transformation plasterboard for building.
A kind of preparation method of phase transformation plasterboard for building, comprising the following steps:
(1) each component is weighed by formula ratio, desulfurization gypsum powder, naphthalene water reducer, polypropylene fibre is added to the water, stirred
Uniformly, slurry A is made；
(2) it by slurry A, expanded slag lightweight aggregate and phase-change material compound, is uniformly mixed, obtains gypsum base phase transformation
Slurry B；
(3) brown paper is completed in steel die (length 1250*2500*90mm), gypsum base phase transformation slurry B is spread out
It is taped against on mold, slurry thickness 8mm, then is laid with layer of glass grid cloth on gypsum base phase transformation slurry B, then in glass
The gypsum base that paves on glass fibrous mesh cloth phase transformation slurry B then continues to be laid on gypsum base phase transformation slurry B with a thickness of 30mm
Crude product C is made in same fiberglass gridding cloth；
(4) gypsum base that paves on crude product C phase transformation slurry B, with a thickness of 8mm, surface flattening processing scrapes off extra slurry
Then material stands 15 days at normal temperature, phase transformation plasterboard for building is made.
Embodiment 2
A kind of phase transformation plasterboard for building, according to parts by weight, including following components:
The phase-change material compound, according to parts by weight, including following components: 90 parts of phase-change material, 20 parts of kaolin,
100 parts of water.Wherein the phase-change material includes aliphatic hydrocarbon compound and alcohol compound；The aliphatic hydrocarbon compound
It is 20 parts of n-eicosane；The alcohol compound is from 70 parts of lauryl alcohol.
The phase-change material compound, preparation process, comprising the following steps:
(1) each component is weighed by formula ratio, stirs kaolin in deionized water in 1000mL beaker, then with height
Shear-mixed mulser stirs 30 minutes under 2500 revs/min to be dispersed, and kaolin aqueous dispersion is made；
(2) phase-change material is heated to melting completely in 500mL beaker, the phase-change material of molten state is made；
(3) phase-change material of the molten state of step (2) preparation is added to the kaolin aqueous dispersion of step (1) preparation
In, it is stirred 10 minutes under 3000 revs/min with high shearing mixing emulsor, phase-change material compound is made.
Phase-change material compound obtained only needs to take out 60 parts and is used to prepare phase transformation plasterboard for building.
A kind of preparation method of phase transformation plasterboard for building, comprising the following steps:
(1) each component is weighed by formula ratio, desulfurization gypsum powder, water-reducing agent, chopped strand is added to the water, stirred evenly,
Slurry A is made；
(2) it by slurry A, expanded slag lightweight aggregate and phase-change material compound, is uniformly mixed, obtains gypsum base phase transformation
Slurry B；
(3) brown paper is completed in steel die (length 1250*2500*90mm), gypsum base phase transformation slurry B is spread out
It is taped against on mold, slurry thickness 9mm, then is laid with layer of glass grid cloth on gypsum base phase transformation slurry B, then in glass
The gypsum base that paves on glass fibrous mesh cloth phase transformation slurry B then continues to be laid on gypsum base phase transformation slurry B with a thickness of 32mm
Crude product C is made in fiberglass gridding cloth；
(4) gypsum base that paves on crude product C phase transformation slurry B, with a thickness of 10mm, surface flattening processing scrapes off extra slurry
Then material stands 15 days at normal temperature, phase transformation plasterboard for building is made.
Phase-change material compound obtained only needs to take out 50 parts and is used to prepare phase transformation plasterboard for building.
Embodiment 3
A kind of phase transformation plasterboard for building, according to parts by weight, including following components:
The phase-change material compound, according to parts by weight, including following components: 110 parts of phase-change material, bentonite 30
Part, 240 parts of deionized water.Wherein the phase-change material includes alcohol compound and ester type compound；The alcohol compound is
40 parts of neopentyl glycol；The ester type compound is 70 parts of n-butyl stearate.
The phase-change material compound, preparation process, comprising the following steps:
(1) each component is weighed by formula ratio, kaolin is used into high shearing mixing emulsor in water in 1000mL beaker
It stirs 30 minutes and is dispersed under 2500 revs/min, kaolin aqueous dispersion is made；
(2) phase-change material is heated to melting completely in 500mL beaker, the phase-change material of molten state is made；
(3) phase-change material of the molten state of step (2) preparation is added to the kaolin aqueous dispersion of step (1) preparation
In, it is stirred 10 minutes under 3000 revs/min with high shearing mixing emulsor, phase-change material compound is made.
Phase-change material compound obtained only needs to take out 60 parts and is used to prepare phase transformation plasterboard for building.
A kind of preparation method of phase transformation plasterboard for building, comprising the following steps:
(1) each component is weighed by formula ratio, desulfurization gypsum powder, water-reducing agent, chopped strand is added to the water, stirred evenly,
Slurry A is made；
(2) it by slurry A, expanded slag lightweight aggregate and phase-change material compound, is uniformly mixed, obtains gypsum base phase transformation
Slurry B；
(3) brown paper is completed in steel die (length 1250*2500*90mm), gypsum base phase transformation slurry B is spread out
It is taped against on mold, slurry thickness 10mm, then is laid with layer of glass grid cloth on gypsum base phase transformation slurry B, then exist
The gypsum base that paves on fiberglass gridding cloth phase transformation slurry B then continues to a thickness of 34mm on the upper berth gypsum base phase transformation slurry B
If same fiberglass gridding cloth, crude product C is made；
(4) gypsum base that paves on crude product C phase transformation slurry B, with a thickness of 10mm, surface flattening processing scrapes off extra slurry
Then material stands 15 days at normal temperature, phase transformation plasterboard for building is made.
Embodiment 4
A kind of phase transformation plasterboard for building, according to parts by weight, including following components:
The phase-change material compound, according to parts by weight, including following components: 90 parts of phase-change material, 20 parts of montmorillonite,
100 parts of water.Wherein the phase-change material includes alcohol compound and ester type compound；The alcohol compound is neopentyl glycol 20
Part；The ester type compound is 70 parts of n-butyl stearate.
The phase-change material compound, preparation process, comprising the following steps:
(1) each component is weighed by formula ratio, montmorillonite is dispersed in deionized water in 1000mL beaker, stirred, then
It is stirred 20 minutes and is dispersed under 2600 revs/min with high shearing mixing emulsor, montmorillonite aqueous dispersion is made；
(2) phase-change material is heated to melting completely in 500mL beaker, the phase-change material of molten state is made；
(3) phase-change material of the molten state of step (2) preparation is added to the montmorillonite aqueous dispersion of step (1) preparation
In, it is stirred 5 minutes under 3200 revs/min with high shearing mixing emulsor, phase-change material compound is made.
Phase-change material compound obtained only needs to take out 40 parts and is used to prepare phase transformation plasterboard for building.
A kind of preparation method of phase transformation plasterboard for building, comprising the following steps:
(1) each component is weighed by formula ratio, desulfurization gypsum powder, naphthalene water reducer, polypropylene fibre is added to the water, stirred
Uniformly, slurry A is made；
(2) it by slurry A, expanded slag lightweight aggregate and phase-change material compound, is uniformly mixed, obtains gypsum base phase transformation
Slurry B；
(3) brown paper is completed in steel die (length 1250*2500*90mm), gypsum base phase transformation slurry B is spread out
It is taped against on mold, slurry thickness 9mm, then is laid with layer of glass grid cloth on gypsum base phase transformation slurry B, then in glass
The gypsum base that paves on glass fibrous mesh cloth phase transformation slurry B then continues to be laid on gypsum base phase transformation slurry B with a thickness of 33mm
Crude product C is made in same fiberglass gridding cloth；
(4) gypsum base that paves on crude product C phase transformation slurry B, with a thickness of 10mm, surface flattening processing scrapes off extra slurry
Then material stands 10 days at normal temperature, phase transformation plasterboard for building is made.
Embodiment 5
A kind of phase transformation plasterboard for building, according to parts by weight, including following components:
The phase-change material compound, according to parts by weight, including following components: 110 parts of phase-change material, montmorillonite 30
Part, 240 parts of water.Wherein the phase-change material includes alcohol compound and ester type compound；The alcohol compound is new penta 2
30 parts of alcohol；The ester type compound is 80 parts of n-butyl stearate.
The phase-change material compound, preparation process, comprising the following steps:
(1) each component is weighed by formula ratio, montmorillonite is dispersed in deionized water in 1000mL beaker, stirred, then
It is stirred 40 minutes and is dispersed under 2500 revs/min with high shearing mixing emulsor, montmorillonite aqueous dispersion is made；
(2) phase-change material is heated to melting completely in 500mL beaker, the phase-change material of molten state is made；
(3) phase-change material of the molten state of step (2) preparation is added to the montmorillonite aqueous dispersion of step (1) preparation
In, it is stirred 15 minutes under 3000 revs/min with high shearing mixing emulsor, phase-change material compound is made.
Phase-change material compound obtained only needs to take out 100 parts and is used to prepare phase transformation plasterboard for building.
A kind of preparation method of phase transformation plasterboard for building, comprising the following steps:
(1) each component is weighed by formula ratio, desulfurization gypsum powder, naphthalene water reducer, polypropylene fibre is added to the water, stirred
Uniformly, slurry A is made；
(2) it by slurry A, expanded slag lightweight aggregate and phase-change material compound, is uniformly mixed, obtains gypsum base phase transformation
Slurry B；
(3) brown paper is completed in steel die (length 1250*2500*90mm), gypsum base phase transformation slurry B is spread out
It is taped against on mold, slurry thickness 10mm, then is laid with layer of glass grid cloth on gypsum base phase transformation slurry B, then exist
The gypsum base that paves on fiberglass gridding cloth phase transformation slurry B then continues to a thickness of 35mm on the upper berth gypsum base phase transformation slurry B
If same fiberglass gridding cloth, crude product C is made；
(4) gypsum base that paves on crude product C phase transformation slurry B, with a thickness of 8mm, surface flattening processing scrapes off extra slurry
Then material stands 15 days at normal temperature, phase transformation plasterboard for building is made.
Comparative example 1
Compared with Example 1, polypropylene fibre is not added in the preparation process in comparative example 1, remaining preparation process and implementation
Example 1 is identical.
Comparative example 2
Compared with Example 2, expanded slag lightweight aggregate is not added in the preparation process in comparative example 2, remaining preparation process with
Embodiment 2 is identical.
Comparative example 3
Compared with Example 3, the high shear in comparative example 3 in the preparation process of phase-change material compound in step (1) is mixed
It closes mulser and is stirred 60 minutes under 1500 revs/min and dispersed, the high shearing mixing emulsor in step (2) is 2500
It stirs 30 minutes and is dispersed under rev/min, remaining preparation process is same as Example 3.
Product measure of merit
The embodiment 1-5 and comparative example 1-3 product prepared and commercially available similar-type products are carried out 28 days compression strength to survey
Examination (being tested by " measurement of GB/T 17669.3-1999 building gypsum mechanical property " standard), fire-protection rating test (are pressed
" GB8624-2006 construction material and classification of combustion properties of building materials and products method " is tested), latent heat of phase change test (press " JG/T534-
2018 phase-change material thermal reliability test methods for building " tested) and Determination of conductive coefficients (by " GB/T32064-2015
Construction material thermal coefficient and thermal diffusion coefficient test " standard tested), the results are shown in Table 1.
Table 1:
As it can be seen from table 1 28 days compression strength of the product of embodiment 1-5 of the present invention preparation, latent heat of phase change and
Thermal coefficient is substantially better than 28 days compression strength, latent heat of phase change and the thermal coefficient of comparative example 1-3 and commercially available similar-type products.Cause
This phase transformation plasterboard mechanical strength with higher for building of the present invention, up to A1 grades, can follow closely can bore fire-protection rating, side
Just it is assembled with inside and outside wall board, the energy-saving and heat-insulating material suitable for assembled architecture.
Claims (10)
1. a kind of phase transformation plasterboard for building, which is characterized in that according to parts by weight, including following components:
2. phase transformation plasterboard according to claim 1, which is characterized in that according to parts by weight, including following components:
3. phase transformation plasterboard according to claim 1, which is characterized in that according to parts by weight, including following components:
4. phase transformation plasterboard according to any one of claim 1-3, which is characterized in that the mesh number of the land plaster is
120-180 mesh, sulfur content are no more than 17%.
5. phase transformation plasterboard according to any one of claim 1-3, which is characterized in that the chopped strand is the glass that is chopped
Glass fiber or polypropylene fibre；Of length no more than 50mm of the chopped strand；The water-reducing agent is naphthalene sulfonic acid-formaldehyde condensation product
Or condensate of melamine and formaldehyde.
6. phase transformation plasterboard according to any one of claim 1-3, which is characterized in that the phase-change material compound,
According to parts by weight, including following components: 90-110 parts of phase-change material, 20-40 parts of montmorillonite, 100-300 parts of water.
7. phase transformation plasterboard according to claim 6, which is characterized in that the phase-change material includes aliphatic hydrocarbon chemical combination
One of object, alcohol compound or ester type compound are a variety of；The aliphatic hydrocarbon compound is selected from hexadecane, positive ten
One of eight alkane or n-eicosane are a variety of；The alcohol compound is selected from lauryl alcohol, cyclohexanol, the tert-butyl alcohol or neopentyl glycol
One of or it is a variety of；The ester type compound is n-butyl stearate.
8. phase transformation plasterboard according to claim 6, which is characterized in that the phase-change material compound, preparation process,
The following steps are included:
(1) each component is weighed by formula ratio, uses high shearing mixing emulsor at 2000-2700 revs/min in water montmorillonite
Lower stirring, is made montmorillonite aqueous dispersion；
(2) phase-change material is heated to melting completely, the phase-change material of molten state is made；
(3) phase-change material of the molten state of step (2) preparation is added in the montmorillonite aqueous dispersion of step (1) preparation, is used
High shearing mixing emulsor stirring, is made phase-change material compound.
9. a kind of preparation method of phase transformation plasterboard according to claim 1 to 8, which is characterized in that including with
Lower step:
(1) each component is weighed by formula ratio, land plaster, water-reducing agent, chopped strand is added to the water, stirred evenly, slurry is made
A；
(2) it by slurry A, expanded slag lightweight aggregate and phase-change material compound, is uniformly mixed, obtains gypsum base phase transformation slurry
B；
(3) brown paper is completed in steel die bottom, gypsum base phase transformation slurry B is paved onto mold, then in gypsum base phase transformation
Laying layer of glass grid cloth on slurry B, the gypsum base that then paves on fiberglass gridding cloth phase transformation slurry B, then
Continuation is laid with fiberglass gridding cloth on gypsum base phase transformation slurry B, and crude product C is made；
(4) gypsum base that paves on crude product C phase transformation slurry B, surface flattening processing scrape off additional size, are then allowed to stand, and are made
Phase transformation plasterboard for building.
10. a kind of application of phase transformation plasterboard according to claim 1-8, which is characterized in that the phase alexandrite
Cream plate is clipped among lining and Side fascia.
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| CN103979904A (en) * | 2013-08-02 | 2014-08-13 | 上海纯翠装饰材料有限公司 | Reinforced glass fiber high-strength gypsum board |
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