KR20250023605A - 고온 저항성이 개선된 석고 건축 자재 - Google Patents

고온 저항성이 개선된 석고 건축 자재 Download PDF

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Publication number
KR20250023605A
KR20250023605A KR1020257004136A KR20257004136A KR20250023605A KR 20250023605 A KR20250023605 A KR 20250023605A KR 1020257004136 A KR1020257004136 A KR 1020257004136A KR 20257004136 A KR20257004136 A KR 20257004136A KR 20250023605 A KR20250023605 A KR 20250023605A
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KR
South Korea
Prior art keywords
gypsum building
building material
siloxane
amorphous silicon
silicon dioxide
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.)
Pending
Application number
KR1020257004136A
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English (en)
Korean (ko)
Inventor
베른트 피에트슈만
미하엘 쉬타인바우어
베레나 콜러
게오르기 파라스코프
미하엘 슈나이더
라우노 배제
Original Assignee
크나우프 깁스 카게
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=65199366&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR20250023605(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 크나우프 깁스 카게 filed Critical 크나우프 깁스 카게
Publication of KR20250023605A publication Critical patent/KR20250023605A/ko
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • C04B14/066—Precipitated or pyrogenic silica
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/146—Silica fume
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
    • C04B24/42—Organo-silicon compounds
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • C04B41/495—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon applied to the substrate as oligomers or polymers
    • C04B41/4961—Polyorganosiloxanes, i.e. polymers with a Si-O-Si-O-chain; "silicones"
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
    • C04B41/61—Coating or impregnation
    • C04B41/62—Coating or impregnation with organic materials
    • C04B41/64—Compounds having one or more carbon-to-metal of carbon-to-silicon linkages
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C04B2111/0062—Gypsum-paper board like materials
    • 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
    • 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
    • C04B2111/34—Non-shrinking or non-cracking materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Silicon Compounds (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)
KR1020257004136A 2018-12-20 2018-12-20 고온 저항성이 개선된 석고 건축 자재 Pending KR20250023605A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP2018/000574 WO2020125918A1 (en) 2018-12-20 2018-12-20 Gypsum building material with improved high-temperature resistance
KR1020217018999A KR20210104726A (ko) 2018-12-20 2018-12-20 고온 저항성이 개선된 석고 건축 자재

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020217018999A Division KR20210104726A (ko) 2018-12-20 2018-12-20 고온 저항성이 개선된 석고 건축 자재

Publications (1)

Publication Number Publication Date
KR20250023605A true KR20250023605A (ko) 2025-02-18

Family

ID=65199366

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020257004136A Pending KR20250023605A (ko) 2018-12-20 2018-12-20 고온 저항성이 개선된 석고 건축 자재
KR1020217018999A Ceased KR20210104726A (ko) 2018-12-20 2018-12-20 고온 저항성이 개선된 석고 건축 자재

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020217018999A Ceased KR20210104726A (ko) 2018-12-20 2018-12-20 고온 저항성이 개선된 석고 건축 자재

Country Status (10)

Country Link
US (1) US20220064069A1 (cg-RX-API-DMAC7.html)
EP (1) EP3898551A1 (cg-RX-API-DMAC7.html)
JP (2) JP7408663B2 (cg-RX-API-DMAC7.html)
KR (2) KR20250023605A (cg-RX-API-DMAC7.html)
CN (1) CN113195433B (cg-RX-API-DMAC7.html)
AU (2) AU2018453878B2 (cg-RX-API-DMAC7.html)
CA (1) CA3124136A1 (cg-RX-API-DMAC7.html)
EA (1) EA202191709A1 (cg-RX-API-DMAC7.html)
MX (1) MX428591B (cg-RX-API-DMAC7.html)
WO (1) WO2020125918A1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12415765B2 (en) 2021-07-09 2025-09-16 Knauf Gips Kg Board with fiber-reinforced dense layer
EP4632167A1 (en) * 2024-04-10 2025-10-15 Saint-Gobain Placo Fire resistant building board
WO2025215073A1 (en) * 2024-04-10 2025-10-16 Saint-Gobain Placo Fire resistant building board

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2837263B2 (ja) * 1990-11-29 1998-12-14 住友金属工業株式会社 セメント組成物とセメント押出製品
JP2774235B2 (ja) * 1992-10-06 1998-07-09 有限会社ナトー研究所 オルガノシロキサン液組成物とその用途
JP3284756B2 (ja) * 1994-06-03 2002-05-20 三菱化学株式会社 撥水性石膏ボード
US5817262A (en) * 1996-12-20 1998-10-06 United States Gypsum Company Process of producing gypsum wood fiber product having improved water resistance
FR2776655B1 (fr) * 1998-03-31 2000-06-16 Rhodia Chimie Sa Procede d'hydrofugation du platre
GB2336360B (en) * 1998-04-17 2002-04-24 Bpb Plc Gypsum products
FR2789679B1 (fr) * 1999-02-12 2001-03-30 Lafarge Platres Element de construction prefabrique a base de platre, presentant une resistance a l'eau
DE10003495C2 (de) * 2000-01-27 2003-04-03 Wacker Polymer Systems Gmbh Hydrophobierungsmittel zur Hydrophobierung von gipsgebundenen Baustoffen, Verfahren zu dessen Herstellung sowie dessen Verwendung
US20110195241A1 (en) * 2005-06-09 2011-08-11 United States Gypsum Company Low Weight and Density Fire-Resistant Gypsum Panel
US7803226B2 (en) * 2005-07-29 2010-09-28 United States Gypsum Company Siloxane polymerization in wallboard
US7413603B2 (en) * 2005-08-30 2008-08-19 United States Gypsum Company Fiberboard with improved water resistance
US7776170B2 (en) * 2006-10-12 2010-08-17 United States Gypsum Company Fire-resistant gypsum panel
AU2013221770B2 (en) * 2012-02-17 2016-06-09 United States Gypsum Company Gypsum products with high efficiency heat sink additives
CA2930826C (en) * 2013-11-28 2022-07-19 Yoshino Gypsum Co., Ltd. Gypsum slurry, hardened gypsum, gypsum building material, gypsum board, method of producing gypsum slurry, method of producing hardened gypsum, method of producing gypsum building material, and method of producing gypsum board
DE102014101704A1 (de) * 2013-12-20 2015-06-25 Interbran Systems Ag Wärmedämmputz
CN103922639B (zh) * 2014-03-31 2015-09-23 广东龙湖科技股份有限公司 一种石膏专用粉末防水剂
US9410058B2 (en) * 2014-04-10 2016-08-09 United States Gypsum Company Compositions and methods for water-resistant gypsum fiber products
GB201420678D0 (en) * 2014-11-20 2015-01-07 Bpb Ltd Construction panel having improved fixing strength
GB201420766D0 (en) * 2014-11-21 2015-01-07 Bpb United Kingdom Ltd Fire resistant calcium sulphate-based products
GB201420770D0 (en) * 2014-11-21 2015-01-07 Bpb United Kingdom Ltd Fire resistant calcium sulphate-based products
CN104356811B (zh) 2014-11-24 2016-10-19 武汉菲凡士建材有限公司 彩色地坪涂料混合高强水泥自流平的彩色地板及其施工方法
EP3317638B1 (en) 2015-07-02 2019-09-18 Knauf Gips KG Apparatus for simultaneously and continuously determining a change in length and a change in weight of heated samples and method therefore
EP3138826B1 (de) * 2015-09-02 2018-10-17 Interbran Systems AG Baustofftrockenmischung enthaltend pyrogene kieselsäure und daraus erhältlicher brandschutzputz
BR112018011160B1 (pt) * 2015-11-30 2022-11-22 Knauf Gips Kg Aditivo para produzir artigos de gesso moldado, artigo de gesso moldado e método para produzir artigos de gesso moldado
WO2017108182A1 (en) * 2015-12-22 2017-06-29 Knauf Gips Kg Method for porosification of construction materials using siloxanes and porosified building materials

Also Published As

Publication number Publication date
EA202191709A1 (ru) 2021-09-10
CN113195433B (zh) 2023-07-28
EP3898551A1 (en) 2021-10-27
JP7408663B2 (ja) 2024-01-05
JP2022522930A (ja) 2022-04-21
JP2023175745A (ja) 2023-12-12
MX428591B (es) 2025-11-13
MX2021007341A (es) 2021-07-15
AU2018453878B2 (en) 2025-08-07
CA3124136A1 (en) 2020-06-25
AU2018453878A1 (en) 2021-06-24
JP7685564B2 (ja) 2025-05-29
US20220064069A1 (en) 2022-03-03
AU2025263763A1 (en) 2025-11-27
WO2020125918A1 (en) 2020-06-25
KR20210104726A (ko) 2021-08-25
CN113195433A (zh) 2021-07-30

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Application number text: 1020217018999

Filing date: 20210618

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