EP2582517A1 - Baumaterial mit material zur speicherung latenter wärme und verfahren zur herstellung davon - Google Patents

Baumaterial mit material zur speicherung latenter wärme und verfahren zur herstellung davon

Info

Publication number
EP2582517A1
EP2582517A1 EP11796111.0A EP11796111A EP2582517A1 EP 2582517 A1 EP2582517 A1 EP 2582517A1 EP 11796111 A EP11796111 A EP 11796111A EP 2582517 A1 EP2582517 A1 EP 2582517A1
Authority
EP
European Patent Office
Prior art keywords
gypsum
gypsum board
heat storage
latent heat
capsules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11796111.0A
Other languages
English (en)
French (fr)
Other versions
EP2582517A4 (de
Inventor
Joel T. Charlton
Keshav S. Gautam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Georgia Pacific Gypsum LLC
Original Assignee
Georgia Pacific Gypsum LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Georgia Pacific Gypsum LLC filed Critical Georgia Pacific Gypsum LLC
Publication of EP2582517A1 publication Critical patent/EP2582517A1/de
Publication of EP2582517A4 publication Critical patent/EP2582517A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7608—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising a prefabricated insulating layer, disposed between two other layers or panels
    • 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
    • B32B5/022—Non-woven fabric
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/12—Coating on the layer surface on paper 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
    • 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
    • B32B2419/00—Buildings or parts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
    • Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating

Definitions

  • the present disclosure generally relates to building material products comprising latent heat storage materials, and more particularly, to gypsum boards comprising phase change materials and methods of making the same.
  • a gypsum board comprises a gypsum core; and a facing matei'ial comprising a first side and second side opposite the first side, the second side is bonded to the gypsum core, wherein in an area proximate to the bond a latent heat storage material is disposed with a remainder of the gypsum core being substantially free of latent heat storage material.
  • a gypsum board comprises a gypsum core having a main portion and a second portion, the second portion being more dense than the main portion, wherein the second portion comprises a latent heat storage material; and a facing material comprising a first side and second side opposite the first side, the second side is bonded to the second portion of the gypsum core.
  • a gypsum board comprises a gypsum core; a facing material comprising a first side and second side opposite the first side, the second side is bonded to the gypsum core; a layer of encapsulated latent storage material disposed on the first side; and a coating layer disposed over the layer of encapsulated latent storage material such that substantially no encapsulated latent heat storage material is exposed to an outer surface of the coating layer.
  • a gypsum board comprises a gypsum core; a facing material comprising a first side and second side opposite the first side, the second side is bonded to the second portion of the gypsum core; and a coating layer disposed on the second side, wherein the coating comprises capsules of latent heat storage material,
  • a gypsum board comprises a gypsum core; a facing material comprising a first side and second side opposite the first side, the second side is bonded to the second portion of the gypsum core; and a coating layer disposed on the second side, wherein the coating comprises capsules of latent heat storage material.
  • a gypsum board comprises a gypsum core; a first fiber mat comprising a first side and second side opposite the first side, the second side is bonded to the second portion of the gypsum core; a first coating penetrating the first fiber mat from the first side into the fiber mat; a second fiber mat comprising a first side and second side opposite the first side, the second side is bonded to the gypsum core; a second coating penetrating the second fiber mat from the first side into the fiber mat; wherein both the first fiber mat and the second fiber mat each comprise glass fibers nominally about 10 to 16 microns in diameter and about one-quarter (1/4) to about one (1) inch in length, the first fiber mat in the absence of coating has a basis weight of 1 to 3 pounds per 100 square feet; and wherein at least one of the first coating and the second coating each comprise a capsules of latent heat storage material and an organic binder.
  • a method of making a gypsum board comprises: depositing a gypsum slurry for forming a set gypsum core onto a non-coated side of a pre-coated fiber mat, the fiber mat having a coating on a side opposite the non-coated side, the coating comprising an organic binder and a latent heat storage material; and drying the gypsum slurry to form a set gypsum core.
  • a method of making a gypsum board comprises; depositing a gypsum slurry for forming a set gypsum core onto a facing material; drying the gypsum slurry to form a set gypsum core; applying a latent heat storage material on the facing material on a side opposite in contact with set gypsum core; and applying a coating over the latent heat storage material.
  • a building material comprises a paneled article having a first side and a second side; a layer of encapsulated latent heat storage material disposed on the first side; and a coating disposed over the layer of encapsulated latent heat storage material.
  • FIG, 1 is a cross-sectional view of an exemplary gypsum board comprising a phase change material in coating
  • Fig, 2 is a cross-sectional view of an exemplary gypsum board comprising a phase change material disposed in a layer of the core of gypsum board;
  • Fig. 3 is a cross-sectional view of an exemplary gypsum board comprising a phase change material disposed on facing material with a coating disposed over the phase change material;
  • Fig, 4 is shows a highly schematic view of an apparatus for making gypsum board.
  • building materials containing latent heat storage materials include, but are not limited to, gypsum board, wafer board, particle board, oriented strand board (OSB), plywood, fiberboard, medium density fiberboard (MDF), oriented strand lumber (OSL) parallel strand lumber (PSL), laminated veneer lumber (LVL), laminated strand lumber (LSL), cement board, wood, wood veneer, wood-plastic composites, plastic, plastic-cement composites, and combinations comprising at least one of the foregoing.
  • OSB oriented strand board
  • MDF medium density fiberboard
  • OSL oriented strand lumber
  • PSL parallel strand lumber
  • LDL laminated veneer lumber
  • LSL laminated strand lumber
  • the building material comprises a paneled article having a first side and a second side; a layer of encapsulated latent heat storage material disposed on the first side; and a coating disposed over the layer of encapsulated latent heat storage material.
  • a gypsum board as an example of a building material for ease in discussion with the understanding that this disclosure can be adopted by a person of skill in the art to other building materials.
  • phase transition material is defined herein as a substance that has a phase transition temperature within a temperature range within which heat- transfer is intended. These materials are sometimes also referred to as phase change materials (PCMs).
  • PCMs phase change materials
  • the PCMs disclosed herein have a solid/liquid phase transition in the temperature range from -20°C (degrees Celsius) to 120°C.
  • the location of the PCM in gypsum board can improve efficiency of heat transfer, thereby allowing less PCM material to be employed compared to, for example, homogenously distributing PCM in a gypsum core. More particularly, it is believed that the closer the PCM is to the surface of the gypsum board the more efficient the heat transfer will be.
  • Embodiments are hereinafter described that have a stratified structure having a layer comprising a PCM.
  • the gypsum board 10 comprises a board core 12 faced with a first facing material 14 and a second facing material 16,
  • the facing material 14 and .16 may be the same or different.
  • both facing material 14 and 16 may comprise glass fibers, both may comprise paper, or one may comprise paper and the other glass fibers.
  • Other materials are envisioned for the facing materials 14 and 16 and are not a critical aspect of the invention.
  • both facing materials 14 and 16 comprise glass fibers nominally about 10 to 16 microns in diameter and about one-quarter (1/4) to about one (I) inch in length, the first fiber mat in the absence of coating has a basis weight of 1 to 3 pounds per 100 square feet.
  • the board core 12 is basically of the type used in gypsum structural products commonly known as gypsum wallboard, dry wall, gypsum board, gypsum lath and gypsum sheathing.
  • the core of such a product is formed by mixing water with powdered anhydrous calcium sulfate or calcium sulfate hemi-hydrate (CaS0 4 .1 ⁇ 2H 2 0), also known as calcined gypsum, to form an aqueous gypsum shiny, and thereafter allowing the slurry mixture to hydrate or set into calcium sulfate dihydrate (CaS0 4 ,2H 2 0), a relatively hard material.
  • the invention is not limited to any particular content of gypsum in the core.
  • a coating layer 18 is disposed on the first facing material 14.
  • An optional coating layer 22 can be disposed on facing material 16.
  • the coating material employed in coating layer 18 and 20 can be the same or different, hi one embodiment, the coating layer 18 comprises a plurality of capsules 20 containing PCM.
  • the capsules containing PCM are disposed within the coating such that substantially no capsules containing PCM is exposed to an outer surface of the coating layer 18.
  • substantially free or substantially none is being used throughout this disclosure to mean less than 10% by weight, based on a total weight (as defined by context, e.g., weight of coating), specifically less than 5% by weight.
  • the coating material used in coating layer 18 is selected to be compatible with the encapsulation material of PCM capsules 20 and the desired application. For example, if the coating layer 18 is disposed on the facing material 14 to form a pre-coated facing material, the porosity of the coating is controlled to allow water to evaporate thru the coating layer 18. In “post” coating operations, porosity of the coating is less important.
  • post coating is being used herein to refer to a coating operation after the gypsum board has been formed and dried in a drier.
  • post coating is less energy can be consumed compared to drying a gypsum board containing PCM, since the PCM absorbs heat energy.
  • the coating layer comprises an organic binder, an inorganic binder or combinations of organic and inorganic binders.
  • the choice of binder will vaiy depending on application and method employed in making the gypsum board 10.
  • the coating material used in the coating layer 18 complies an organic binder.
  • organic binders include, but are not limited to, styrene-butadiene-rubber (SBR), styrene-butadiene-styrene (SBS), ethylene-vinyl- chloride (EVCl), poly-vinylidene-chloride (PVdC), modified poly-vinyl-chloride (PVC), poly-vinyl-alcohol (PVOH), ethylene-vinyl-acetate (EVA), and poly-vinyl- acetate (PVA).
  • SBR styrene-butadiene-rubber
  • SBS styrene-butadiene-styrene
  • EVCl poly-vinylidene-chloride
  • PVdC poly-vinylidene-chloride
  • PVH poly-vinyl-alcohol
  • EVA ethylene-vinyl-acetate
  • the coating layer 18 can optionally comprise a filler material.
  • filler materials include, but are not limited to, ground limestone (calcium carbonate), sand, mica, talc, gypsum (calcium sulfate dihydrate), aluminum trihydrate (ATH), antimony oxide, or a combination of any two or more of these substances.
  • the PCM capsules 20 can be microcapsules, microcapsules, or a combination of the foregoing.
  • the capsules comprise a capsule core of latent heat storage material and capsule wall of polymeric material, wherein about 90% or greater of the total weight of the capsule is the latent heat storage material.
  • microcapsule is being used throughout this disclosure refers to capsules having a mean diameter of 1 to 100 ⁇ (micrometers).
  • macrocapsule is being used throughout this disclosure referred to any capsules having a mean diameter greater than 100 ⁇ .
  • the choice of capsule size will be variable dependent on desired application (e.g. fire rating).
  • PCM materials and methods of making are discussed in U.S. Patent 7, 166,355 and include, but are not limited to: 1) aliphatic hydrocarbon compounds such as saturated or unsaturated C 10 -C 40 -hydrocaibons which are branched or specifically linear, e.g.
  • n-tetradecane n-pentadecane, n-hexadecane, n- heptadecane, n-octadecane, n-nonadecane, n-eicosane, n-heneicosane, n-docosane, n- tricosane, n-tetracosane, n-pentacosane, n-hexacosane, n-heptacosane, n-octacosane, and cyclic hydrocarbons, e.g.
  • aromatic hydrocarbon compounds such as benzene, naphthalene, biphenyl, o- or n-terphenyl, Ci-Gso-alkyl-substituted aromatic hydrocarbons such as dodecylbenzene, tetradecylbenzene, hexadecylbenzene, hexylnaphthalene or decylnaphthalene; 3) saturated or unsaturated C 6 -C 30 -fatty acids such as lauric, stearic, oleic or behenic acid, specifically eutectic mixtures of decanoic acid with, for example, myristic, palmitic or lauric acid; 4) fatty alcohols such as lauryl, stearyl, oleyl, myristyl and cetyl alcohols, mixtures such as coconut fatty alcohol and the oxo alcohols obtained
  • natural and synthetic waxes such as montanic acid waxes, montanic ester waxes, carnauba wax, polyethylene wax, oxidized waxes, polyvinyl ether wax, ethylene-vinyl acetate wax or hard waxes from Fischer-Tropsch processes
  • FIG. 2 An exemplary embodiment of a gypsum board 100 is shown. This embodiment illustrates another potential location option to allow the PCM to be proximate to a surface of the gypsum board.
  • the gypsum board 100 comprises a board core 1 12 faced with a first facing material 114 and a second facing material 116.
  • a coating layer 1 18 is disposed on the first facing material 1 14.
  • An optional coating layer 122 can be disposed on facing material 1 16.
  • a plurality of capsules 120 containing PCM are located in a layer within the board core 1 12 itself. It is to be understood by a person of skill in the art that the choice of materials used in this embodiment can be the same as those mentioned above in relation to the embodiment shown in Fig. 1.
  • one convenient way to dispose the capsules in a layer within the board core is to meter them from a holding tank 401 into a separate stream of gypsum slurry at throughoutlet 417 to provide a relatively thin layer of aqueous calcined gypsum sluny 418 on the non-coated surface of sheet 416.
  • the thin layer of gypsum sluny 418 is somewhat more dense than the aqueous sluny of gypsum that is used to fonn the main portion of the core of the gypsum board (main core sluny discharged through outlet 419 from mixer 420 to form gypsum sluny layer 423).
  • the slurry used to form the thin layer 18 is about 18-20% more dense than the density of the slurry 23 used to fonn the main portion of the core. A portion of this denser slurry also is often used to form hard edges of the gypsum board as well.
  • the continuous sandwich of sluny and applied facing materials (414 and 416) is canied down conveyors 422.
  • PCM is applied downstream or upstream of the mixer such that the PCM is in proximity of the facing material.
  • the challenge in these approaches is to provide a sufficient amount of gypsum slurry contact with the facing material.
  • Vibrating tables may also be employed as a means of having the PCMs settle near the surface of the gypsum board.
  • the relatively more heavy macrocapsules compared to microcapsules can advantageously settle near the surface of gypsum board.
  • Fig. 3 an exemplary embodiment of a gypsum board 200 is shown. This embodiment illustrates yet another potential location option to allow the PCM to be proximate to a surface of the gypsum board.
  • the gypsum board 200 comprises a board core 212 faced with a first facing material 214 and a second facing material 216.
  • a coating layer 218 is disposed on the first facing material 214.
  • the plurality of capsules 220 containing PCM is present in a greater concentration near the surface of the facing material 214. The challenge in this approach is to provide a sufficient amount of coating contact with the facing material to create a bond,
  • Figs. 1-3 are discussed as separate embodiments for the purposes of illustration, it is to be understood that various combinations of these embodiments is envisioned. Embodiments are also envisioned where the facing material is eliminated. Further these boards can be laminated to other structures to provide multiple functions (e.g., sound abatement).
  • embodiments illustrated herein are helpful in creating a building material that when used in place of a similar building product without PCM provides greater energy efficiency in a build, which thereby can reduce carbon dioxide foot print of a building,
  • Ranges disclosed herein are inclusive and combinable (e.g., ranges of "up to about 25 wt%, or, more specifically, about 5 wt% to about 20 wt%", is inclusive of the endpoints and all intermediate values of the ranges of "about 5 wt% to about 25 wt%,” etc.).
  • “Combination” is inclusive of blends, mixtures, alloys, reaction products, and the like.
  • first,” “second,” and the like, herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another, and the terms “a” and “an” herein do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Panels For Use In Building Construction (AREA)
EP11796111.0A 2010-06-18 2011-03-15 Baumaterial mit material zur speicherung latenter wärme und verfahren zur herstellung davon Withdrawn EP2582517A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35620110P 2010-06-18 2010-06-18
PCT/US2011/028425 WO2011159379A1 (en) 2010-06-18 2011-03-15 Building material containing latent heat storage material and methods of making the same

Publications (2)

Publication Number Publication Date
EP2582517A1 true EP2582517A1 (de) 2013-04-24
EP2582517A4 EP2582517A4 (de) 2014-09-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11796111.0A Withdrawn EP2582517A4 (de) 2010-06-18 2011-03-15 Baumaterial mit material zur speicherung latenter wärme und verfahren zur herstellung davon

Country Status (4)

Country Link
US (1) US20130251986A1 (de)
EP (1) EP2582517A4 (de)
CA (1) CA2801752A1 (de)
WO (1) WO2011159379A1 (de)

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CN102877553B (zh) * 2012-10-17 2014-05-07 肖和平 一种储能保温建筑材料
CN102909762A (zh) * 2012-10-19 2013-02-06 茂友木材股份有限公司 一种竹木复合板的生产方法
US9297198B2 (en) * 2013-12-16 2016-03-29 Mahtomedi Area Education Foundation Automatic fire resistant exterior shutter
CN105924120B (zh) * 2016-05-18 2018-05-18 河北科技大学 一种防水抗渗相变储能石膏砌块及其制备方法
CN109113296A (zh) * 2017-06-22 2019-01-01 胡小磷 一种可拆卸更换的墙面装饰材料
JP2021017796A (ja) * 2019-07-22 2021-02-15 Dic株式会社 屋内面施工方法及び蓄熱積層体
JP7321054B2 (ja) * 2019-10-24 2023-08-04 永大産業株式会社 蓄熱チップ、これを含む蓄熱ボード、およびこれらの製造方法
AU2022289781A1 (en) * 2021-06-07 2023-11-30 Yoshino Gypsum Co., Ltd. Latent heat storage gypsum board and partition structure
US20230234893A1 (en) * 2022-01-27 2023-07-27 Premier Magnesia, Llc Mold and mildew resistant wallboard

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CA2801752A1 (en) 2011-12-22
WO2011159379A1 (en) 2011-12-22
US20130251986A1 (en) 2013-09-26
EP2582517A4 (de) 2014-09-03

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