EP0455990A1 - Nappe non tissée lien fondu fortifiée chaleur stable et procédé de sa fabrication - Google Patents

Nappe non tissée lien fondu fortifiée chaleur stable et procédé de sa fabrication Download PDF

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Publication number
EP0455990A1
EP0455990A1 EP91105398A EP91105398A EP0455990A1 EP 0455990 A1 EP0455990 A1 EP 0455990A1 EP 91105398 A EP91105398 A EP 91105398A EP 91105398 A EP91105398 A EP 91105398A EP 0455990 A1 EP0455990 A1 EP 0455990A1
Authority
EP
European Patent Office
Prior art keywords
filaments
binder
supporting
fabric according
melting point
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.)
Granted
Application number
EP91105398A
Other languages
German (de)
English (en)
Other versions
EP0455990B1 (fr
EP0455990B2 (fr
Inventor
Günther Dr. Vock
Michael Schöps
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.)
Johns Manville
Original Assignee
Hoechst AG
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=6404082&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0455990(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of EP0455990A1 publication Critical patent/EP0455990A1/fr
Publication of EP0455990B1 publication Critical patent/EP0455990B1/fr
Application granted granted Critical
Publication of EP0455990B2 publication Critical patent/EP0455990B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D04H3/153Mixed yarns or filaments
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005Synthetic yarns or filaments
    • D04H3/009Condensation or reaction polymers
    • D04H3/011Polyesters
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05CEMBROIDERING; TUFTING
    • D05C17/00Embroidered or tufted products; Base fabrics specially adapted for embroidered work; Inserts for producing surface irregularities in embroidered products
    • D05C17/02Tufted products
    • D05C17/023Tufted products characterised by the base fabric
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/92Fire or heat protection feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2929Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/681Spun-bonded nonwoven fabric
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/697Containing at least two chemically different strand or fiber materials
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/699Including particulate material other than strand or fiber material

Definitions

  • the invention relates to a thermally stable, melt-bond-strengthened spun-bonded nonwoven made of supporting filaments and binder filaments serving as melt binders, in which the difference in the melting points of supporting and binding filaments is less than 30 ° C.
  • a nonwoven which contains crimped fibers or threads and which is consolidated by heating by means of a thermoplastic binder or thermoplastic binder fibers.
  • the melting point of the binding fibers should be at least 20 ° C below the melting point of the supporting filaments. Due to the proportion of crimped fibers in this nonwoven, it is very drapable, i.e. it folds like a woven fabric; however, it is not usable as a highly resilient and dimensionally stable reinforcement material and as a tufting carrier.
  • Highly resilient spunbonded nonwovens bonded with melt binders are known, for example, from DE-PS 22 40 437 and DE-A-36 42 089. These previously known spunbonded nonwovens, in which both the supporting filaments and the binder filaments can consist of polyesters, serve in particular as reinforcing and carrier materials in the manufacture of needled felt and tufting.
  • filaments of a relatively coarse individual titer of more than 8 dtex are used.
  • the proportion of binder filaments is 10 to 30%, preferably between 15 and 25%.
  • melt binder-bonded nonwovens have the serious disadvantage that they are not suitable for those areas of application in which they are exposed to high processing temperatures, because the low melting point of the binder component also significantly reduces the processing and use temperature.
  • the present invention now relates to a melt-bond-bonded nonwoven fabric with high strength and high dimensional stability, which is thermally highly resilient, ie which has an extremely advantageous high processing and use temperature.
  • the melt-bonded spunbond fabric according to the invention consists of load-bearing filaments and binder filaments serving as melt binders, and is characterized in that the melting point of the binder filaments is less than 30 ° C., preferably less than 20 ° C., below the melting point of the load-bearing filaments.
  • the supporting filaments and binder filaments are preferably made of polyester.
  • the basis weight of the spunbonded nonwovens according to the invention is generally in the range between 50 and 500 g / m2, preferably between 50 and 250 g / m2, but can of course also be selected to be lower or higher for special applications.
  • the individual titer of the supporting filaments and binder filaments is preferably in the range between 1 and 20 dtex and the proportion of the binder filaments is preferably between 5 and 25 percent by weight.
  • Spunbonded fabrics according to the invention are preferred in which the individual titer of the binder filaments is smaller than that of the supporting filaments.
  • Those spunbonded webs according to the invention in which the melting point of the binder filaments is 10 to 20 ° C. below the melting point of the supporting filaments are particularly preferred.
  • the load-bearing filaments consist of polyethylene terephthalate
  • the melt binder consists of a polymer, the melting point of which has the above-mentioned difference to the melting point of the load-bearing filaments.
  • the binder filaments preferably consist of an isophthalic acid-modified polyester with a correspondingly slightly reduced melting point.
  • the proportion of binder filaments in the total weight of the spunbonded nonwovens according to the invention is chosen to be as low as possible within the range given above and is adapted to the intended use of the nonwovens. Lower binder proportions further improve the thermal and mechanical properties, while higher binder proportions result in particularly delamination-resistant nonwovens.
  • the weight per unit area of the nonwovens according to the invention and the individual titer of the filaments are selected within the ranges specified above, depending on the area of use. For example, a basis weight of up to 500 g / m2 and a single titer of up to 20 dtex are expediently chosen for a tufting carrier.
  • the binder filaments have proven to be particularly expedient to match the type of introduction of the binder filaments and their proportion to the selected basis weight.
  • those spunbonded webs according to the invention are preferred in which the supporting filaments and binder filaments consist of flame-retardant modified polyesters.
  • Another preferred embodiment of the nonwovens according to the invention has a layer structure of load-bearing filaments and binder filaments, it being particularly advantageous if the two outer layers do not contain binder filaments.
  • spunbonded nonwovens according to the invention are preferred, the binder filaments of which contain an antistatic, in particular carbon black.
  • nonwovens according to the invention does not contain separate binder filaments but bicomponent filaments in core-shell or side-by-side arrangement, which are made up of the two polymers for the load-bearing and the binding filaments in the desired ratio.
  • the spun-bonded nonwoven formed according to the invention is free from resinous binders and is therefore inherently flame-retardant.
  • the low flammability can be further improved by suitable selection of flame-retardant modified raw materials for the supporting filaments and the binder filaments.
  • These flame-retardant spunbonded nonwovens can then also be used in rooms at risk of fire, e.g. B. as a carrier material for curtains, wallpaper, blinds, or as components for seat covers in vehicles or aircraft.
  • Particularly voluminous spunbonded nonwovens according to the invention such as those using a rel. small proportion of binder filaments and sieve drum fixation can be obtained. These then also have a loose, fibrous surface structure, which significantly increases the adhesion of coating materials, PVC or bitumen.
  • Such voluminous spunbonded nonwovens with a fiber-rich surface are also suitable for producing filter fabrics.
  • the addition of antistatic agents, in the simplest case of soot, in the melting cylinder moreover, permits the use of the spunbonded nonwoven according to the invention in potentially explosive areas or as a filter medium for clean rooms.
  • the dyeability of the melt binder can be adapted to that of the supporting filaments by modification of the melt binder raw material; on the other hand, different dyeability can also be used to create interesting color effects.
  • the spunbonded nonwoven according to the invention is produced in a manner known per se by depositing load-bearing filaments and binder filaments on a moving screen base to form a tangled nonwoven, and is characterized in that binder filaments are deposited whose melting point is less than 30 ° C., preferably less than 20 ° C. , is below the melting point of the supporting filaments.
  • Load-bearing filaments and binder filaments which consist of polyester, are preferably deposited.
  • the amount of filaments deposited per m2 is measured according to the criteria given above; usually 50 to 500 g of filaments are deposited per m2.
  • Filament is preferably deposited using a rotating baffle plate and a downstream guide surface as described in DE-PS 27 13 241.
  • the filament is deposited by a plurality of rows of depositing elements one behind the other in the direction of movement of the screen support, from which alternating load-bearing and binding filaments are deposited.
  • the polymers for the supporting filaments and the binder filaments are spun out and deposited as bicomponent filaments in the specified ratio.
  • the thermal consolidation is particularly preferably carried out by hot air, for example in screen drum fixers, which can be followed by a pair of embossing rollers.
  • Particularly voluminous spunbonded nonwovens result from the lowest possible proportion of binder filaments and a sieve drum fixation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Artificial Filaments (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Multicomponent Fibers (AREA)
  • Reinforcement Elements For Buildings (AREA)
EP91105398A 1990-04-09 1991-04-05 Nappe non tissée lien fondu fortifiée chaleur stable et procédé de sa fabrication Expired - Lifetime EP0455990B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4011479 1990-04-09
DE4011479A DE4011479A1 (de) 1990-04-09 1990-04-09 Thermisch stabiles, schmelzbinderverfestigtes spinnvlies

Publications (3)

Publication Number Publication Date
EP0455990A1 true EP0455990A1 (fr) 1991-11-13
EP0455990B1 EP0455990B1 (fr) 1995-10-25
EP0455990B2 EP0455990B2 (fr) 1998-02-11

Family

ID=6404082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91105398A Expired - Lifetime EP0455990B2 (fr) 1990-04-09 1991-04-05 Nappe non tissée lien fondu fortifiée chaleur stable et procédé de sa fabrication

Country Status (9)

Country Link
US (1) US5219647A (fr)
EP (1) EP0455990B2 (fr)
JP (1) JPH04222266A (fr)
KR (1) KR0149674B1 (fr)
AT (1) ATE129531T1 (fr)
CA (1) CA2039971A1 (fr)
DE (2) DE4011479A1 (fr)
IE (1) IE70594B1 (fr)
PT (1) PT97285B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568916A1 (fr) * 1992-05-01 1993-11-10 Hoechst Celanese Corporation Article implanté de touffes
EP0590629A2 (fr) * 1992-10-02 1994-04-06 Hoechst Aktiengesellschaft Membrane bitumineuse de sous-toiture et voile de support

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3261728B2 (ja) * 1992-02-18 2002-03-04 チッソ株式会社 熱接着性繊維シート
DE9207367U1 (de) * 1992-05-30 1992-09-10 Johns Manville International, Inc., Denver, Col. Schichtstoff aus Vlies und Gelege
DE4316017C1 (de) * 1993-05-13 1994-09-15 Freudenberg Carl Fa Filterband und Verfahren zu seiner Herstellung
US5618857A (en) * 1993-06-24 1997-04-08 Loctite Corporation Impregnation sealant composition of superior high temperature resistance, and method of making same
US5368913A (en) * 1993-10-12 1994-11-29 Fiberweb North America, Inc. Antistatic spunbonded nonwoven fabrics
US5654066A (en) * 1995-06-09 1997-08-05 Pacione; Joseph R. Carpet and layered backing for dimensional stability and integrity
US6217974B1 (en) 1995-06-09 2001-04-17 Tac-Fast Georgia, L.L.C. Carpet and layered backing for dimensional stability and integrity
EP0980700B2 (fr) 1998-08-19 2012-03-14 Johns Manville International Inc. Médium de filtre avec caractéristique améliorée de filtration et de résistance
AU2003272396A1 (en) * 2002-09-13 2004-04-30 Cerex Advanced Fabrics, Inc. Method of reducing static in a spunbond process
US20070269631A9 (en) * 2003-01-30 2007-11-22 Pacione Joseph R Carpet tile, installation, and methods of manufacture and installation thereof
JP2007241887A (ja) * 2006-03-10 2007-09-20 Fujitsu Component Ltd キーボード
EP2220276B1 (fr) 2007-12-14 2016-11-23 Kolon Industries, Inc. Non-tissé pour filtration d'air et procédé de préparation correspondant
US20160222557A1 (en) * 2013-10-02 2016-08-04 Carl Freudenberg Kg Fabric sheet with hig thermal stability

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1560841A1 (de) * 1962-05-07 1969-10-02 Ici Ltd Verfahren zur Herstellung von nicht verwebten Textilbahnen aus synthetischen Fasern
AT368202B (de) * 1976-12-04 1982-09-27 Freudenberg Carl Fa Verfahren zur herstelleung eines ein polyester -bindemittel enthaltenden nassvlieses
EP0088191A2 (fr) * 1982-03-08 1983-09-14 Imperial Chemical Industries Plc Mélange de fibres de rembourrage en polyester
GB2127866A (en) * 1982-09-30 1984-04-18 Chicopee Pattern densified fabric comprising conjugate fibers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL264539A (fr) * 1960-05-09 1900-01-01
IT992893B (it) * 1972-08-17 1975-09-30 Lutravil Spinnvlies Veli di filatura ad alta resisten za e dimensionalmente stabili e processo per la loro preparazione
US4129675A (en) * 1977-12-14 1978-12-12 E. I. Du Pont De Nemours And Company Product comprising blend of hollow polyester fiber and crimped polyester binder fiber
DE2834438B2 (de) * 1978-08-05 1980-08-14 Fa. Carl Freudenberg, 6940 Weinheim Spinnvlies aus Polyester-Filamenten zur Verwendung als Trägermaterial für einen tiefziehfähigen Tufting-Teppich und Verfahren zu seiner Herstellung
US4310594A (en) * 1980-07-01 1982-01-12 Teijin Limited Composite sheet structure
JPS62215057A (ja) * 1986-03-04 1987-09-21 チッソ株式会社 補強不織布
DE3642089A1 (de) * 1986-12-10 1988-06-23 Freudenberg Carl Fa Teppichtuftingtraeger aus spinnvliesstoff
JPH0775648B2 (ja) * 1987-05-19 1995-08-16 チッソ株式会社 円筒状フイルタ−

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1560841A1 (de) * 1962-05-07 1969-10-02 Ici Ltd Verfahren zur Herstellung von nicht verwebten Textilbahnen aus synthetischen Fasern
AT368202B (de) * 1976-12-04 1982-09-27 Freudenberg Carl Fa Verfahren zur herstelleung eines ein polyester -bindemittel enthaltenden nassvlieses
EP0088191A2 (fr) * 1982-03-08 1983-09-14 Imperial Chemical Industries Plc Mélange de fibres de rembourrage en polyester
GB2127866A (en) * 1982-09-30 1984-04-18 Chicopee Pattern densified fabric comprising conjugate fibers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568916A1 (fr) * 1992-05-01 1993-11-10 Hoechst Celanese Corporation Article implanté de touffes
EP0590629A2 (fr) * 1992-10-02 1994-04-06 Hoechst Aktiengesellschaft Membrane bitumineuse de sous-toiture et voile de support
EP0590629A3 (en) * 1992-10-02 1994-09-14 Hoechst Ag Bituminous under-roofing felt and carrier web
US5660915A (en) * 1992-10-02 1997-08-26 Hoechst Aktiengesellschaft Bituminous roofing underfelt and base felt therefor

Also Published As

Publication number Publication date
EP0455990B1 (fr) 1995-10-25
DE4011479A1 (de) 1991-10-10
IE911164A1 (en) 1991-10-09
ATE129531T1 (de) 1995-11-15
US5219647A (en) 1993-06-15
IE70594B1 (en) 1996-12-11
DE59106749D1 (de) 1995-11-30
KR0149674B1 (ko) 1998-10-15
EP0455990B2 (fr) 1998-02-11
PT97285B (pt) 1999-04-30
PT97285A (pt) 1993-07-30
KR910018619A (ko) 1991-11-30
JPH04222266A (ja) 1992-08-12
CA2039971A1 (fr) 1991-10-10

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