DE3066318D1 - Intumescent sheet material - Google Patents

Intumescent sheet material

Info

Publication number
DE3066318D1
DE3066318D1 DE8080304247T DE3066318T DE3066318D1 DE 3066318 D1 DE3066318 D1 DE 3066318D1 DE 8080304247 T DE8080304247 T DE 8080304247T DE 3066318 T DE3066318 T DE 3066318T DE 3066318 D1 DE3066318 D1 DE 3066318D1
Authority
DE
Germany
Prior art keywords
sheet material
intumescent sheet
intumescent
sheet
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.)
Expired
Application number
DE8080304247T
Other languages
English (en)
Inventor
Roger L Langer
Alan J Marlor
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE3066318D1 publication Critical patent/DE3066318D1/de
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • F01N3/2857—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets being at least partially made of intumescent material, e.g. unexpanded vermiculite
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/38—Inorganic fibres or flakes siliceous
    • D21H13/44—Flakes, e.g. mica, vermiculite
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/34—Ignifugeants
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/18—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of inorganic fibres with or without cellulose fibres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S106/00—Compositions: coating or plastic
    • Y10S106/03—Mica
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/92—Fire or heat protection feature
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/251—Mica
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
DE8080304247T 1979-11-28 1980-11-26 Intumescent sheet material Expired DE3066318D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/097,953 US4305992A (en) 1979-11-28 1979-11-28 Intumescent sheet material

Publications (1)

Publication Number Publication Date
DE3066318D1 true DE3066318D1 (en) 1984-03-01

Family

ID=22265908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080304247T Expired DE3066318D1 (en) 1979-11-28 1980-11-26 Intumescent sheet material

Country Status (5)

Country Link
US (1) US4305992A (de)
EP (1) EP0030123B1 (de)
JP (1) JPS5692155A (de)
CA (1) CA1169199A (de)
DE (1) DE3066318D1 (de)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
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US4513173A (en) * 1983-06-07 1985-04-23 Minnesota Mining And Manufacturing Company Intumescent fire protective sheaths
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US4600634A (en) * 1983-07-21 1986-07-15 Minnesota Mining And Manufacturing Company Flexible fibrous endothermic sheet material for fire protection
JPS6177654A (ja) * 1984-09-20 1986-04-21 トヨタ自動車株式会社 触媒担体支持用耐熱高膨張性シ−ト状物およびその製造方法
US4851021A (en) * 1987-02-17 1989-07-25 Armstrong World Industries, Inc. Multi-ply composites and sheets of epoxy and flocced 2:1 layered silicates and methods for them
ES2009825B3 (es) * 1986-08-07 1989-10-16 Leistritz Ag Dispositivo de limpieza de gas de escape
GB8702011D0 (en) * 1987-01-29 1987-03-04 Dixon International Ltd Fire-resistant composition
US4775586A (en) * 1987-02-17 1988-10-04 Armstrong World Industries, Inc. Paper, paper products, films composites and other silicate-polymer, construction materials
US4885330A (en) * 1987-11-20 1989-12-05 Hercules Incorporated Non-dispersible vermiculite products
CA1310275C (en) * 1987-12-04 1992-11-17 Richard P. Merry Catalytic converter particulate filter for exhaust systems
US5028397A (en) * 1988-02-11 1991-07-02 Minnesota Mining And Manufacturing Company Catalytic converter
US4929429A (en) * 1988-02-11 1990-05-29 Minnesota Mining And Manufacturing Company Catalytic converter
US5242871A (en) * 1988-02-29 1993-09-07 Nippon Pillar Packing Co., Ltd. Heat-resistant expansion member
US5053362A (en) * 1988-09-27 1991-10-01 The Carborundum Company Ceramic fiber refractory moldable compositions
US5008086A (en) * 1988-10-28 1991-04-16 Minnesota Mining And Manufacturing Company Erosion resistant mounting composite for catalytic converter
DE69013974T2 (de) * 1989-05-18 1995-04-13 Nippon Pillar Packing Wärmebeständiges Ausdehnungselement.
US5079280A (en) * 1989-11-15 1992-01-07 W. R. Grace & Co.-Conn. Low temperature expandable vermiculite and intumescent sheet material containing same
US5207989A (en) * 1991-03-22 1993-05-04 Acs Industries, Inc. Seal for catalytic converter and method therefor
US5151253A (en) * 1991-04-18 1992-09-29 Minnesota Mining And Manufacturing Company Catalytic converter having a monolith mounting of which is comprised of partially dehydrated vermiculite flakes
US5254410A (en) * 1991-04-18 1993-10-19 Minnesota Mining & Manufacturing Company Partially dehydrated vermiculite flakes and method of making same
JPH07506778A (ja) * 1992-05-12 1995-07-27 ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー 防火性フレキシブル複合物，該複合物を含むシステム，該複合物の製造方法および防火方法
US5250269A (en) * 1992-05-21 1993-10-05 Minnesota Mining And Manufacturing Company Catalytic converter having a metallic monolith mounted by a heat-insulating mat of refractory ceramic fibers
US5384188A (en) * 1992-11-17 1995-01-24 The Carborundum Company Intumescent sheet
US5340643A (en) * 1993-02-26 1994-08-23 W. R. Grace & Co.-Conn. Intumescent sheet material
US5332609A (en) * 1993-03-25 1994-07-26 Minnesota Mining And Manufacturing Company Intumescent mounting mat
US5344866A (en) * 1993-05-21 1994-09-06 General Electric Company Fire resistant composites
US6245301B1 (en) 1993-08-20 2001-06-12 3M Innovative Properties Company Catalytic converter and diesel particulate filter
US5765332A (en) * 1995-02-21 1998-06-16 Minnesota Mining And Manufacturing Company Fire barrier protected dynamic joint
AU5804396A (en) * 1995-06-30 1997-02-05 Minnesota Mining And Manufacturing Company Intumescent sheet material
US5686039A (en) * 1995-06-30 1997-11-11 Minnesota Mining And Manufacturing Company Methods of making a catalytic converter or diesel particulate filter
US5736109A (en) * 1995-06-30 1998-04-07 Minnesota Mining And Manufacturing Company Intumescent sheet material and paste with organic binder
US5853675A (en) * 1995-06-30 1998-12-29 Minnesota Mining And Manufacturing Company Composite mounting system
US5523059A (en) * 1995-06-30 1996-06-04 Minnesota Mining And Manufacturing Company Intumescent sheet material with glass fibers
US5882608A (en) * 1996-06-18 1999-03-16 Minnesota Mining And Manufacturing Company Hybrid mounting system for pollution control devices
US6726884B1 (en) * 1996-06-18 2004-04-27 3M Innovative Properties Company Free-standing internally insulating liner
US6051193A (en) 1997-02-06 2000-04-18 3M Innovative Properties Company Multilayer intumescent sheet
CN1270056C (zh) 1997-02-06 2006-08-16 美国3M公司 污染控制装置
US6923942B1 (en) 1997-05-09 2005-08-02 3M Innovative Properties Company Compressible preform insulating liner
US20010051116A1 (en) 1997-11-17 2001-12-13 Minnesota Mining And Manufacturing Company Surface tension relieved mounting material
US6153674A (en) * 1998-01-30 2000-11-28 3M Innovative Properties Company Fire barrier material
US8404187B1 (en) 1998-03-11 2013-03-26 Unifrax I Llc Support element for fragile structures such as catalytic converters
US6128874A (en) * 1999-03-26 2000-10-10 Unifrax Corporation Fire resistant barrier for dynamic expansion joints
US6747074B1 (en) * 1999-03-26 2004-06-08 3M Innovative Properties Company Intumescent fire sealing composition
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EP1434747B1 (de) * 2001-10-09 2011-11-23 3M Innovative Properties Company Biolösliche anorganische fasern und glimmerbindemittel enthantende zusammensetzungen
US20030091479A1 (en) * 2001-11-09 2003-05-15 Zlatomir Kircanski High temperature resistant material
US20030129101A1 (en) * 2002-01-10 2003-07-10 Steven Zettel Catalytic monolith support system with improved thermal resistance and mechanical properties
US7704459B2 (en) * 2002-07-31 2010-04-27 3M Innovative Properties Company Mat for mounting a pollution control element in a pollution control device for the treatment of exhaust gas
WO2004031544A2 (en) * 2002-09-30 2004-04-15 Unifrax Corporation Exhaust gas treatment device and method for making the same
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US7854904B2 (en) * 2003-06-10 2010-12-21 3M Innovative Properties Company Mounting mat for a catalytic converter
EP1495807A1 (de) * 2003-06-30 2005-01-12 3M Innovative Properties Company Lagerungsmatte für die Lagerung eines Monoliths in einer Abgasreinigungsvorrichtung
US7550118B2 (en) * 2004-04-14 2009-06-23 3M Innovative Properties Company Multilayer mats for use in pollution control devices
US7645426B2 (en) * 2004-04-14 2010-01-12 3M Innovative Properties Company Sandwich hybrid mounting mat
JP4982363B2 (ja) 2004-06-29 2012-07-25 ユニフラックス ワン リミテッド ライアビリティ カンパニー 排気ガス処理装置及びその製造方法
WO2006065534A1 (en) * 2004-12-13 2006-06-22 3M Innovative Properties Company Mounting mats and pollution control devices using same
US8178177B2 (en) * 2005-02-11 2012-05-15 3M Innovative Properties Company Duct wrap and method for fire protecting a duct
GB0525375D0 (en) 2005-12-14 2006-01-18 3M Innovative Properties Co Mounting mat for a pollution control device
WO2008103525A2 (en) * 2007-02-19 2008-08-28 3M Innovative Properties Company Flexible fibrous material, pollution control device, and methods of making the same
EP2173981B1 (de) 2007-06-13 2018-07-18 3M Innovative Properties Company Sicherbares montagematerial sowie verfahren zu seiner herstellung und verwendung
KR101595711B1 (ko) 2007-06-13 2016-02-18 쓰리엠 이노베이티브 프로퍼티즈 컴파니 내침식성 장착 재료와 그 제조 및 사용 방법
MX2009013600A (es) * 2007-06-13 2010-01-20 3M Innovative Properties Co Material de montaje reposicionable, dispositivo de control de contaminacion y metodos de elaboracion del mismo.
WO2009009600A1 (en) * 2007-07-10 2009-01-15 3M Innovative Properties Company Pollution control devices, reinforced mat material for use therein and methods of making same
JP5869220B2 (ja) 2007-10-09 2016-02-24 スリーエム イノベイティブ プロパティズ カンパニー 無機ナノ粒子を含有するマウンティングマット並びにその作製方法
WO2009048854A1 (en) * 2007-10-09 2009-04-16 3M Innovative Properties Company Mat for mounting a pollution control element for the treatment of exhaust gas
CN101821070A (zh) 2007-10-09 2010-09-01 3M创新有限公司 制备用于安装污染控制元件的安装垫的方法
AU2009286013A1 (en) 2008-08-29 2010-03-04 Unifrax I Llc Mounting mat with flexible edge protection and exhaust gas treatment device incorporating the mounting mat
JP2010112267A (ja) * 2008-11-06 2010-05-20 Ibiden Co Ltd マット材および排気ガス処理装置
CA2745034C (en) 2008-12-15 2014-01-21 Unifrax I Llc Ceramic honeycomb structure skin coating
GB0823091D0 (en) * 2008-12-18 2009-01-28 Univ Nottingham Exfoliating vermiculite and other minerals
US8075843B2 (en) 2009-04-17 2011-12-13 Unifrax I Llc Exhaust gas treatment device
EP2464840A4 (de) 2009-08-10 2013-10-30 Unifrax I Llc Montagematte oder vorform davon mit veränderlichem basisgewicht sowie abgasbearbeitungsvorrichtung
CN102575542B (zh) 2009-08-14 2014-09-10 尤尼弗瑞克斯I有限责任公司 用于排气处理装置的安装垫
EP2464838A1 (de) 2009-08-14 2012-06-20 Unifrax I LLC Mehrschichtes substrat und abgasbehandlungsvorrichtung
EP2299074B1 (de) 2009-09-18 2015-08-12 3M Innovative Properties Company Montageunterlage
US8071040B2 (en) 2009-09-23 2011-12-06 Unifax I LLC Low shear mounting mat for pollution control devices
WO2011037634A1 (en) 2009-09-24 2011-03-31 Unifrax I Llc Multiple layer mat and exhaust gas treatment device
CA2782413C (en) 2009-12-17 2017-12-05 Unifrax I Llc Multilayer mounting mat for pollution control devices
EP2513442B1 (de) 2009-12-17 2017-11-29 Unifrax I LLC Abgasbehandlungsvorrichtung
WO2011084487A1 (en) 2009-12-17 2011-07-14 Unifrax I Llc Mounting mat for exhaust gas treatment device
US8765069B2 (en) 2010-08-12 2014-07-01 Unifrax I Llc Exhaust gas treatment device
EP2603676B1 (de) 2010-08-13 2016-03-23 Unifrax I LLC Montageunterlage mit flexiblem kantenschutz und abgasbearbeitungsvorrichtung mit der montageunterlage
CN103547777A (zh) 2010-11-11 2014-01-29 尤尼弗瑞克斯I有限责任公司 安装垫和废气处理装置
EP2848720B1 (de) 2013-09-12 2016-03-02 3M Innovative Properties Company Verwendung eines Schmiermittels für eine Montageunterlage und Verfahren zur Herstellung einer derartigen Unterlage
MX2017002919A (es) 2015-02-24 2017-10-11 Unifrax I Llc Tapete de aislamiento resistente a alta temperatura.
US20210140080A1 (en) 2018-05-11 2021-05-13 3M Innovative Properties Company Polycrystalline, aluminosilicate ceramic filaments, fibers, and nonwoven mats, and methods of making and using the same
CN112135805A (zh) 2018-05-11 2020-12-25 3M创新有限公司 多晶硅铝酸盐陶瓷长丝、纤维和非织造垫及其制备和使用方法
GB201813436D0 (en) 2018-08-17 2018-10-03 Thermal Ceram Uk Ltd Inorganic fibres
CA3064873A1 (en) 2018-12-11 2020-06-11 Watson Bowman Acme Corporation A fire barrier, a method for installing the same, an expansion joint system and a fire barrier assembly
JP2023508111A (ja) 2019-12-30 2023-02-28 スリーエム イノベイティブ プロパティズ カンパニー 多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法
JP2023508112A (ja) 2019-12-30 2023-02-28 スリーエム イノベイティブ プロパティズ カンパニー 多結晶性アルミノシリケートセラミックフィラメント不織マット、及びその製造方法
CN111662094A (zh) * 2020-06-10 2020-09-15 广西大学 一种双重增压扩孔提高蛭石膨胀率的方法
CN113415806B (zh) * 2021-07-30 2022-11-11 塔里木大学 一种微颗粒蛭石膨胀的方法
WO2023154662A1 (en) * 2022-02-08 2023-08-17 United States Gypsum Company Gypsum panel containing ammonium-exchanged vermiculite and methods

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Also Published As

Publication number Publication date
CA1169199A (en) 1984-06-12
US4305992A (en) 1981-12-15
EP0030123A1 (de) 1981-06-10
EP0030123B1 (de) 1984-01-25
JPS5692155A (en) 1981-07-25
JPS6135143B2 (de) 1986-08-11

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