WO2003059835A1 - Saline soluble inorganic fibres - Google Patents

Saline soluble inorganic fibres Download PDF

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Publication number
WO2003059835A1
WO2003059835A1 PCT/GB2003/000003 GB0300003W WO03059835A1 WO 2003059835 A1 WO2003059835 A1 WO 2003059835A1 GB 0300003 W GB0300003 W GB 0300003W WO 03059835 A1 WO03059835 A1 WO 03059835A1
Authority
WO
WIPO (PCT)
Prior art keywords
fibres
cao
mgo
fibre
stuck
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.)
Ceased
Application number
PCT/GB2003/000003
Other languages
English (en)
French (fr)
Inventor
Gary Anthony Jubb
Craig John Freeman
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.)
Morgan Advanced Materials PLC
Original Assignee
Morgan Crucible Co PLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9928638&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2003059835(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to BR0306631-2A priority Critical patent/BR0306631A/pt
Priority to MXPA04006500A priority patent/MXPA04006500A/es
Priority to AT03700331T priority patent/ATE301622T1/de
Priority to KR1020047009313A priority patent/KR100710686B1/ko
Priority to EP03700331A priority patent/EP1474366B1/en
Priority to US10/493,340 priority patent/US7470641B2/en
Priority to DE60301263T priority patent/DE60301263T2/de
Priority to CA2470642A priority patent/CA2470642C/en
Priority to JP2003559944A priority patent/JP4744084B2/ja
Application filed by Morgan Crucible Co PLC filed Critical Morgan Crucible Co PLC
Priority to AU2003201632A priority patent/AU2003201632B2/en
Publication of WO2003059835A1 publication Critical patent/WO2003059835A1/en
Anticipated expiration legal-status Critical
Priority to US11/038,311 priority patent/US7153796B2/en
Priority to US12/275,035 priority patent/US7651965B2/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2213/00—Glass fibres or filaments
    • C03C2213/02—Biodegradable glass fibres
    • 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

Definitions

  • This invention relates to saline soluble, non-metallic, amorphous, inorganic oxide, refractory fibrous materials.
  • the invention particularly relates to glassy fibres having silica as their principal constituent.
  • Inorganic fibrous materials are well known and widely used for many purposes (e.g. as thermal or acoustic insulation in bulk, mat, or blanket form, as vacuum formed shapes, as vacuum formed boards and papers, and as ropes, yarns or textiles; as a reinforcing fibre for building materials; as a constituent of brake blocks for vehicles).
  • thermal or acoustic insulation in bulk, mat, or blanket form as vacuum formed shapes, as vacuum formed boards and papers, and as ropes, yarns or textiles; as a reinforcing fibre for building materials; as a constituent of brake blocks for vehicles.
  • the properties for which inorganic fibrous materials are used require resistance to heat, and often resistance to aggressive chemical environments.
  • Inorganic fibrous materials can be either glassy or crystalline. Asbestos is an inorganic fibrous material one form of which has been strongly implicated in respiratory disease.
  • European Patent Application No. 0399320 disclosed glass fibres having a high physiological solubility.
  • W094/15883 disclosed a number of fibres that are usable as refractory insulation at temperatures of up to 1260°C or more. These fibres comprised CaO, MgO, Si0 2 , and optionally Zr0 2 as principal constituents. Such fibres are frequently known as CMS (calcium magnesium silicate) Or CMZS ((calcium magnesium zirconium silicate) fibres. W094/15883 required that any alumina present only be in small quantities.
  • a drawback found in use of these fibres is that at temperatures between about 1300°C and 1350°C the fibres undergo a considerable increase in shrinkage. Typically, shrinkages increase from about 1-3% at 1200°C; to, say, 5% or more at 1300°C; to >20% at 1350°C. This means that, for example, a temperature overrun on a furnace can result in damage to the insulation and hence to the furnace itself.
  • a further drawback is that calcium magnesium silicate fibres can react with, and stick to, alumina containing materials due to formation of a eutectic composition. Since aluminosilicate materials are widely used this is a major problem.
  • W097/16386 disclosed fibres that are usable as refractory insulation at temperatures of up to 1260°C or more. These fibres comprised MgO, Si0 2 , and optionally Zr0 2 as principal constituents. As with W094/15883, this patent required that any alumina present only be in small quantities.
  • the present invention provides thermal insulation for use in applications requiring continuous resistance to temperatures of 1260°C without reaction with alumino-silicate firebricks, the insulation comprising fibres having a composition in wt%
  • a preferred range of compositions is:- 72% ⁇ SiO 2 ⁇ 80% 18% ⁇ CaO ⁇ 26% 0% ⁇ MgO ⁇ 3% 0% ⁇ Al 2 O 3 ⁇ l% 0% ⁇ ZrO 2 ⁇ 1.5% 98.5% ⁇ Si0 2 + CaO + MgO + A1 2 0 3 +Zr0 2 + B 2 0 3 + P 2 0 5 .
  • a still more preferred range has the composition:- 72% ⁇ Si0 2 ⁇ 74% 24% ⁇ CaO ⁇ 26%
  • lanthanide elements particularly lanthanum
  • improved strength is of help, particularly in making such products as blankets, in which the fibres are needled to form an interlocking web of fibres.
  • the present invention comprises a silicate fibre comprising :-
  • R is selected from the group Sc, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho,
  • the preferred elements are La and Y.
  • the amount of R 2 0 3 is greater than 0.25%, more preferably > 0.5%, and still more preferably >1.0%.
  • the amount of R 2 0 3 is preferably ⁇ 2.5%, still more preferably ⁇ 1.5% by weight. Very good results are obtained for a fibre having the composition in wt%:-
  • Fig.1 is a graph of shrinkage against temperature of some fibres according to the present invention in comparison with some commercial fibres.
  • the inventors produced a range of calcium silicate fibres using an experimental rig in which a melt was formed of appropriate composition, tapped through a 8- 16 mm orifice, and blown to produce fibre in a known manner. (The size of the tap hole was varied to cater for the viscosity of the melt - this is an adjustment that must be determined experimentally according to the apparatus and composition used).
  • compositions are shown as measured by x-ray fluorescence with boron by wet chemical analysis
  • the shrinkage was measured by the method of manufacturing vacuum cast preforms, using 75g of fibre in 500cm of 0.2% starch solution, into a 120 x 65mm tool. Platinum pins (approximately 0.1 -0.3mm diameter) were placed 100 x 45mm apart in the 4 corners. The longest lengths (LI & L2) and the diagonals (L3 & L4) were measured to an accuracy of ⁇ 5 ⁇ m using a travelling microscope. The samples were placed in a furnace and ramped to a temperature 50°C below the test temperature at 300°C/hour and ramped at 120°C/hour for the last 50°C to test temperature and left for 24 hours. On removal from the furnace the samples were allowed to cool naturally. The shrinkage values are given as an average of the 4 measurements.
  • Table 2 shows the effect of alumina and zirconia on these fibres.
  • Alumina is known to be detrimental to fibre quality and the first three compositions of Table 2 have over 2% AI 2 O 3 and stick to aluminosilicate brick. Additionally, increased alumina leads to lowered solubility. Accordingly, the inventors have determined 2% as the upper limit for alumina in their inventive compositions.
  • zirconia is known to improve refractoriness and Table 2 shows that silica levels of below 72% can be tolerated if the amount of Zr0 2 is sufficient that the sum of Si0 2 and Zr0 2 is greater than 72% by weight.
  • increasing zirconia lowers the solubility of the fibres in physiological saline solution and so the preferred level of Zr0 2 is less than 3%.
  • B 2 0 3 also has an effect with fibres having as low as 70.9% Si0 2 not sticking.
  • the inventors have determined that sticking to aluminosilicate brick tends not to occur for fibres meeting the relationship :-
  • the inventors have assumed a maximum level for B 2 0 3 and P 2 0 5 of 5% by weight each.
  • Tables 1 to 3 show that minor amounts of other components may be included and the invention tolerates up to 5% of other ingredients, but preferably these other ingredients amount to less than 2%, more preferably less than 1%, since such other ingredients tend to make the fibres less refractory. (But see below for effect of specific lanthanide additives).
  • compositions with an MgO level of greater than 1.75% tended to have a higher shrinkage at 1350°C than those with a lower MgO level.
  • Fig. 1 shows in graphical form an important feature of the fibres of the invention and compares the shrinkage characteristics of the first three fibres and 5 th fibres of Table 4 (each referred to as SW613) with commercial fibres Isofrax® (a magnesium silicate fibre from Unifrax Corporation), RCF (a standard aluminosilicate refractory ceramic fibre), and SW607 MaxTM, SW607TM, and SW612TM (calcium magnesium silicate fibres from Thermal Ceramics Europe Limited).
  • Isofrax® a magnesium silicate fibre from Unifrax Corporation
  • RCF a standard aluminosilicate refractory ceramic fibre
  • SW607 MaxTM, SW607TM, and SW612TM calcium magnesium silicate fibres from Thermal Ceramics Europe Limited
  • Isofrax® and RCF have a shrinkage that is in the range 3-6% over the range 1200 to 1450°C.
  • S 607 MaxTM, SW607TM, and SW612TM have shrinkages in the range 2-5% at 1200°C but increase rapidly after 1300°C.
  • the fibres of the present invention have a shrinkage of less than 2% up to 1350°C, drift up to 5-8% at 1400°C and accelerate thereafter.
  • the fibres of the present invention therefore have the advantage of a lower shrinkage than magnesium silicate, commercial calcium magnesium silicate, or RCF fibres at 1300°C; commence their increase in shrinkage at a higher temperature than commercial calcium magnesium silicate fibres; have a shallower rise in shrinkage with temperature than commercial calcium magnesium silicate fibres; and do not stick to aluminosilicate brick in the way commercial calcium magnesium silicate fibres may.
  • the fibres can be used in thermal insulation and may form either a constituent of the insulation (e.g. with other fibres and/or fillers and/or binders) or may form the whole of the insulation.
  • the fibres may be formed into blanket form insulation.
  • La 2 0 3 was used as an additive in amounts of 0-4% to a fibre comprising 73.5% Si0 2 and balance CaO and minor impurities to determine the optimum amount. It was determined that addition of La 2 0 3 improved fiberisation while not reducing refractoriness. The fibres did not react with alumina bricks. However, at the highest levels of La 2 0 3 the solubility was reduced significantly. Accordingly a compromise level of 1.3-1.5% La 2 0 3 was used for further tests on the fibre composition.
  • silica increases the ref actoriness of the fibre, giving lower shrinkage, higher melting point and decreases reaction with alumina at high Temperature.
  • Remaining impurities (A1 2 0 3 , MgO, others) ⁇ 1.5%

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Glass Compositions (AREA)
  • Inorganic Fibers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Nonwoven Fabrics (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
PCT/GB2003/000003 2002-01-04 2003-01-02 Saline soluble inorganic fibres Ceased WO2003059835A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
AU2003201632A AU2003201632B2 (en) 2002-01-04 2003-01-02 Saline soluble inorganic fibres
DE60301263T DE60301263T2 (de) 2002-01-04 2003-01-02 In salzlösung lösliche anorganische fasern
AT03700331T ATE301622T1 (de) 2002-01-04 2003-01-02 In salzlösung lösliche anorganische fasern
KR1020047009313A KR100710686B1 (ko) 2002-01-04 2003-01-02 염용해성 무기 섬유
EP03700331A EP1474366B1 (en) 2002-01-04 2003-01-02 Saline soluble inorganic fibres
US10/493,340 US7470641B2 (en) 2002-01-04 2003-01-02 Saline soluble inorganic fibres
CA2470642A CA2470642C (en) 2002-01-04 2003-01-02 Saline soluble inorganic fibres
BR0306631-2A BR0306631A (pt) 2002-01-04 2003-01-02 Fibras inorgânicas solúveis em solução salina
JP2003559944A JP4744084B2 (ja) 2002-01-04 2003-01-02 生理食塩水に可溶の無機繊維
MXPA04006500A MXPA04006500A (es) 2002-01-04 2003-01-02 Fibras inorganicas solubles en solucion salina.
US11/038,311 US7153796B2 (en) 2002-01-04 2005-01-19 Saline soluble inorganic fibres
US12/275,035 US7651965B2 (en) 2002-01-04 2008-11-20 Saline soluble inorganic fibres

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0200162.6 2002-01-04
GB0200162A GB2383793B (en) 2002-01-04 2002-01-04 Saline soluble inorganic fibres

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US10493340 A-371-Of-International 2003-01-02
US11/038,311 Division US7153796B2 (en) 2002-01-04 2005-01-19 Saline soluble inorganic fibres
US12/275,035 Continuation US7651965B2 (en) 2002-01-04 2008-11-20 Saline soluble inorganic fibres

Publications (1)

Publication Number Publication Date
WO2003059835A1 true WO2003059835A1 (en) 2003-07-24

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ID=9928638

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PCT/GB2003/000003 Ceased WO2003059835A1 (en) 2002-01-04 2003-01-02 Saline soluble inorganic fibres

Country Status (17)

Country Link
US (3) US7470641B2 (enExample)
EP (2) EP1544177B1 (enExample)
JP (2) JP4744084B2 (enExample)
KR (1) KR100710686B1 (enExample)
CN (2) CN100457659C (enExample)
AT (2) ATE384690T1 (enExample)
AU (1) AU2003201632B2 (enExample)
BR (2) BR0306631A (enExample)
CA (1) CA2470642C (enExample)
DE (2) DE60301263T2 (enExample)
ES (2) ES2243884T3 (enExample)
GB (1) GB2383793B (enExample)
MX (1) MXPA04006500A (enExample)
PL (1) PL210855B1 (enExample)
RU (1) RU2303574C2 (enExample)
WO (1) WO2003059835A1 (enExample)
ZA (1) ZA200404146B (enExample)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1323687A2 (en) 2001-12-29 2003-07-02 Kumkang Korea Chemical Co., Ltd. Biosoluble ceramic fiber composition with improved solubility in a physiological saline solution for a high temperature insulation material
EP1323513A1 (de) 2001-12-29 2003-07-02 Hydro Aluminium Deutschland GmbH Flachdraht-Thermoelement
EP1463776A1 (en) 2002-01-10 2004-10-06 Unifrax Corporation High temperature resistant vitreous inorganic fiber
EP1648837A1 (en) 2003-06-27 2006-04-26 Unifrax Corporation High temperature resistant vitreous inorganic fiber
WO2006048610A1 (en) * 2004-11-01 2006-05-11 The Morgan Crucible Company Plc Modification of alkaline earth silicate fibres
US7153796B2 (en) 2002-01-04 2006-12-26 The Morgan Crucible Company Plc Saline soluble inorganic fibres
US7259118B2 (en) 1992-01-17 2007-08-21 The Morgan Crucible Company Plc Saline soluble inorganic fibers
WO2008065363A1 (en) 2006-11-28 2008-06-05 The Morgan Crucible Company Plc Inorganic fibre compositions
EP1648838A4 (en) * 2003-06-27 2010-07-28 Unifrax Corp GLASS ANORGANIC FIBER HIGH TEMPERATURE RESISTANCE
EP2213634A1 (en) 2007-11-23 2010-08-04 The Morgan Crucible Company Plc Inorganic fibre compositions
US7875566B2 (en) * 2004-11-01 2011-01-25 The Morgan Crucible Company Plc Modification of alkaline earth silicate fibres
US8163377B2 (en) 2005-11-10 2012-04-24 The Morgan Crucible Company Plc High temperature resistant fibres
US8551897B2 (en) 2005-06-30 2013-10-08 Unifrax I Llc Inorganic fiber
EP2692915A1 (en) 2011-03-31 2014-02-05 Nichias Corporation Method for manufacturing bio-soluble inorganic fiber
CN103958440A (zh) * 2011-12-01 2014-07-30 霓佳斯株式会社 无定形组合物
EP2765380A2 (en) 2011-09-28 2014-08-13 Nichias Corporation Inorganic fiber block
EP2808314A4 (en) * 2012-01-24 2016-01-20 Nichias Corp INORGANIC FIBER PERIODICALLY SHAPED ARTICLES AND METHOD FOR ADJUSTING THE HARDENESS THEREFOR
RU2580846C2 (ru) * 2010-02-24 2016-04-10 КейСиСи КОРПОРЭЙШН Композиция для изготовления керамического волокна и биорастворимое керамическое волокно, полученное из нее для теплоизоляционного материала при высокой температуре
US9556063B2 (en) 2014-07-17 2017-01-31 Unifrax I Llc Inorganic fiber with improved shrinkage and strength
US9567256B2 (en) 2013-03-15 2017-02-14 Unifrax I Llc Inorganic fiber
US9708214B2 (en) 2014-07-16 2017-07-18 Unifrax I Llc Inorganic fiber with improved shrinkage and strength
US9919957B2 (en) 2016-01-19 2018-03-20 Unifrax I Llc Inorganic fiber
US9963380B2 (en) 2014-07-08 2018-05-08 Nichias Corporation Biosoluble inorganic fiber
US10023491B2 (en) 2014-07-16 2018-07-17 Unifrax I Llc Inorganic fiber
US10882779B2 (en) 2018-05-25 2021-01-05 Unifrax I Llc Inorganic fiber
US11203551B2 (en) 2017-10-10 2021-12-21 Unifrax I Llc Low biopersistence inorganic fiber free of crystalline silica
US11702372B2 (en) 2020-10-23 2023-07-18 Thermal Ceramics Uk Limited Thermal insulation

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GB0424190D0 (en) * 2004-11-01 2004-12-01 Morgan Crucible Co Modification of alkaline earth silicate fibres
KR100676167B1 (ko) * 2006-01-25 2007-02-01 주식회사 케이씨씨 고온 단열재용 생분해성 세라믹 섬유 조성물
CA2673611C (en) * 2007-01-08 2017-01-24 Unifrax I Llc Fire-barrier film laminate
CA2693570C (en) * 2007-08-31 2013-03-05 Unifrax I Llc Exhaust gas treatment device
CA2734951A1 (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
PL2358359T3 (pl) 2008-12-15 2019-10-31 Unifrax I Llc Powlekanie ceramicznej struktury plastra miodu
WO2010120380A2 (en) 2009-04-17 2010-10-21 Unifrax I Llc Exhaust gas treatment device
GB0906837D0 (en) 2009-04-21 2009-06-03 Saffil Automotive Ltd Mats
EP2464840A4 (en) 2009-08-10 2013-10-30 Unifrax I Llc PREFORM OR MOUNTING MATERIAL WITH SURFACE MASS VARIABLE AND DEVICE FOR TREATING EXHAUST GASES
WO2011019396A2 (en) 2009-08-14 2011-02-17 Unifrax I Llc Mounting mat for exhaust gas treatment device
CN102686843B (zh) 2009-08-14 2015-04-01 尤尼弗瑞克斯I有限责任公司 多层基底支承体和排气处理装置
KR101671048B1 (ko) 2009-08-25 2016-10-31 액세스 비지니스 그룹 인터내셔날 엘엘씨 영구 적층된 자속 집중기 조립체 및 가요성 자속 집중기 조립체
US8071040B2 (en) 2009-09-23 2011-12-06 Unifax I LLC Low shear mounting mat for pollution control devices
CA2773757A1 (en) 2009-09-24 2011-03-31 Unifrax I Llc Multiple layer mat and exhaust gas treatment device
BR112012009368A2 (pt) * 2009-10-02 2016-06-07 Unifrax I Llc prancha de isolamento de peso ultra baixo
CA2780007C (en) 2009-11-13 2015-03-31 Unifrax I Llc Multi-layer fire protection material
EP2501780B1 (en) 2009-11-16 2016-12-14 Unifrax I LLC Intumescent fire protection material
KR101223675B1 (ko) * 2009-11-27 2013-01-17 주식회사 케이씨씨 염용해성 세라믹 섬유 조성물
BR112012013587A2 (pt) 2009-12-01 2016-07-05 Saffil Automotive Ltd esteira de montagem
CN102844536B (zh) 2009-12-17 2017-03-22 尤尼弗瑞克斯 I 有限责任公司 用于废气处理装置的安装垫
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EP2513444B1 (en) 2009-12-17 2017-05-03 Unifrax I LLC Multilayer mounting mat for pollution control devices
US8765069B2 (en) 2010-08-12 2014-07-01 Unifrax I Llc Exhaust gas treatment device
ES2569370T3 (es) 2010-08-13 2016-05-10 Unifrax I Llc Estera de montaje con protección flexible de bordes y dispositivo de tratamiento de gases de escape con la estera de montaje incorporada
US9120703B2 (en) 2010-11-11 2015-09-01 Unifrax I Llc Mounting mat and exhaust gas treatment device
US9924564B2 (en) 2010-11-11 2018-03-20 Unifrax I Llc Heated mat and exhaust gas treatment device
EP2640878B1 (en) 2010-11-16 2018-11-07 Unifrax I LLC Inorganic fiber
CN105269876A (zh) 2010-11-19 2016-01-27 尤尼弗瑞克斯I有限责任公司 防火层和防火膜层压板
US9676168B2 (en) 2010-11-19 2017-06-13 Lamart Corporation Fire barrier layer and fire barrier film laminate
US20120168665A1 (en) * 2010-12-28 2012-07-05 Nichias Corporation Biosoluble inorganic fiber
JP4862099B1 (ja) * 2010-12-28 2012-01-25 ニチアス株式会社 生体溶解性無機繊維
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JP5015336B1 (ja) * 2011-03-31 2012-08-29 ニチアス株式会社 無機繊維質ペーパー及びその製造方法
US8940134B2 (en) * 2011-04-05 2015-01-27 Nichias Corporation Paper comprising heat treated bio-soluble inorganic fibers, and method and equipment for making same
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BR112014014087A2 (pt) * 2011-12-19 2017-06-13 Unifrax I Llc fibra inorgânica resistente a alta temperatura
JP5174948B1 (ja) 2011-12-23 2013-04-03 ニチアス株式会社 生体溶解性無機繊維及びその製造方法
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US9919954B2 (en) 2013-03-15 2018-03-20 Unifrax I Llc Inorganic fiber
US9963380B2 (en) 2014-07-08 2018-05-08 Nichias Corporation Biosoluble inorganic fiber
US9708214B2 (en) 2014-07-16 2017-07-18 Unifrax I Llc Inorganic fiber with improved shrinkage and strength
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