EP1866469B1 - Non-tisse lie thermiquement - Google Patents

Non-tisse lie thermiquement Download PDF

Info

Publication number
EP1866469B1
EP1866469B1 EP06707417.9A EP06707417A EP1866469B1 EP 1866469 B1 EP1866469 B1 EP 1866469B1 EP 06707417 A EP06707417 A EP 06707417A EP 1866469 B1 EP1866469 B1 EP 1866469B1
Authority
EP
European Patent Office
Prior art keywords
nonwoven fabric
sheath
core
shrinkage
fiber
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.)
Active
Application number
EP06707417.9A
Other languages
German (de)
English (en)
Other versions
EP1866469A1 (fr
Inventor
Armin Greiner
Klaus Veeser
Holger Schilling
Günter Frey
Ralph Berkemann
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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=36599098&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1866469(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to PL06707417T priority Critical patent/PL1866469T3/pl
Publication of EP1866469A1 publication Critical patent/EP1866469A1/fr
Application granted granted Critical
Publication of EP1866469B1 publication Critical patent/EP1866469B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43825—Composite fibres
    • D04H1/43828—Composite fibres sheath-core
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/55—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/603—Including strand or fiber material precoated with other than free metal or alloy
    • Y10T442/607—Strand or fiber material is synthetic polymer
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
    • Y10T442/641—Sheath-core multicomponent strand or fiber material

Definitions

  • the invention relates to a thermally bonded nonwoven fabric having improved thermal and chemical stability.
  • the invention further relates to a use of this nonwoven fabric.
  • melt-bondable fibers and non-woven fabrics made therefrom are known.
  • the melt-bondable fibers are bicomponent fibers comprised of a first at least partially crystalline polymer component and a second component adhered to the surface of the first component having a compatible blend of polymers, at least one amorphous polymer and at least one at least partially crystalline polymer.
  • the melting temperature of the second component should be at least 30 ° C below the first component, but at least equal to or greater than 130 ° C.
  • the weight ratio of the amorphous polymer of the second component to the at least partially crystalline polymer of the second component in the range of 15: 85 to 90: 10 and be sized so that the bonding of the bicomponent fibers is prevented with a similar bicomponent fiber and that the first component of the core and the second component of the shell in the form of a sheath Core configuration forms spun bicomponent fiber.
  • This bicomponent fiber is blended with conventional polyester fibers and thermally bonded to a nonwoven fabric which is made into a nonwoven abrasive web by application of abrasive particles.
  • heat-bondable conjugate fibers which have a sheath-core configuration and whose core consists of a polyester containing polyethylene terephthalate (PET) as the main component and whose sheath is made of a copolymerized polyester or a side-by-side conjugate fiber consisting of a polyester Polyethylene terephthalate and a copolymerized polyester.
  • PET polyethylene terephthalate
  • the copolymerized polyester is the lower melting component and contains butylene terephthalate units and butylene isophthalate units as recurring structural units.
  • a nonwoven fabric made from these bicomponent fibers is said to have excellent thermal resistance and fatigue resistance to compressive loads, so it can be used as an alternative material to polyurethane upholstery, especially in the automotive field.
  • thermally bonded nonwovens from a mixture of unstretched and stretched PET fibers.
  • binding under heat and pressure in a calender is necessary.
  • the binding capacity of the unstretched, amorphous PET fibers is not based on a melting process, but on the crystallization process of PET, which starts above 90 ° C, if there are still crystallizable parts.
  • Such nonwoven fabrics have a high meet chemical and thermal stability.
  • the manufacturing process allows low flexibility. For example, with undrawn PET fibers, it is not possible to activate their binding ability several times, since this is at a process that is irreversible below the melting temperature.
  • the object of the invention has been found to provide a thermally bonded nonwoven fabric which shows improved properties in terms of its thermal stability, in particular the tendency to shrink of the resulting nonwoven fabrics.
  • the chemical stability compared to fibers the copolymers of monomer mixtures such. Isophthalic acid / terephthalic acid contained, increased.
  • thermoplastic bonded nonwoven fabric containing a low-shrinkage core-sheath bicomponent fiber.
  • the low-crimp core-sheath bicomponent fiber consists of a crystalline polyester core and a crystalline polyester sheath which melts at least 10 ° C lower and has a hot air shrinkage at 170 ° C of less than 10%, preferably less than 5%.
  • a corresponding nonwoven fabric has a thermal dimensional change (shrinkage and Bausch) of less than 2% at temperatures of 150 ° C (1 h).
  • crystalline is understood as meaning a polyester polymer which has a melting enthalpy (DSC) of> 40 Joule / g and whose width of the melt peak (DSC) preferably precipitates at ⁇ 40 ° C. at 10 ° C./min.
  • the sheath of the low-shrinkage bicomponent fiber consists of a homogeneous polyester polymer prepared from a monomer pair, which is formed to greater than 95% only from a polymer pair. In the case of the polyester described in the claims, this means that the polymer consists of> 95% of a single dicarboxylic acid and a single dialcohol.
  • the mass ratio of core and cladding component is typically 50:50, but may vary between 90:10 and 10:90 for specific applications.
  • a nonwoven fabric in which the sheath of the low-shrink core-sheath bicomponent fiber is polybutylene terephthalate (PBT), polytrimethylene terephthalate (PTT) or polyethylene terephthalate (PET).
  • PBT polybutylene terephthalate
  • PTT polytrimethylene terephthalate
  • PET polyethylene terephthalate
  • nonwoven fabric wherein the core of the low shrink core-sheath bicomponent fiber is polyethylene terephthalate or polyethylene naphthalate (PEN).
  • PEN polyethylene naphthalate
  • the nonwoven fabric of the present invention may contain other fibers other than the low-shrink core-sheath bicomponent fiber depending on the particular use.
  • the nonwoven fabric according to the invention preferably consists of low-shrinkage core-sheath bicomponent fibers having a titer in the range between 0.1 and 15 dtex.
  • the nonwoven fabric according to the invention has a basis weight between 20 and 500 g / m 2 .
  • the nonwoven fabric according to the invention reaches at a Basis weight of eg 150-190g / m 2 a bending stiffness determined according to ISO 2493 transverse to the machine direction of greater than 1 Nmm.
  • the method of making the thermally bonded nonwoven web is to lay the fibers into a nonwoven web, thermally bond and, if necessary, compact immediately thereafter.
  • the fibers of the nonwoven fabric according to the invention dwell in a thermofusion oven, which enables uniform tempering of the binder fibers.
  • the low-shrink core-sheath bicomponent fibers are wet laid in a paper-laying process and dried or dipped by a carding or airaldisch process, and then bonded at temperatures of 200 to 270 ° C and optionally by a calender or a press shop Roller temperatures which are below the melting point of the sheath polymer, preferably ⁇ 170 ° C, compressed This compression is preferably carried out immediately after the binding process in the dryer with still hot fibers.
  • the structure of the fibers also allows subsequent thermal treatments, since the binding process can be activated several times.
  • the resulting thermally bonded nonwoven fabrics have shrinkage and bulk values in the range of ⁇ 2%, preferably ⁇ 1%.
  • the nonwoven fabrics according to the invention are suitable as a liquid filter medium, membrane support web, gas filter medium, battery separator or nonwoven fabric for the surface of composites due to their high thermal stability, their low shrinkage tendency and their chemical aging stability. This is especially true for use as an oil filter medium for use in automotive engines.
  • the bending stiffness is determined according to ISO 2493 in Nmm.
  • the sample (DIN A4-sized pattern) is provided with markings in the longitudinal and transverse direction, which have a distance of 200 mm. After storing the sample for 1 hour at 150 ° C in a convection oven and then cooling for 20 minutes at room temperature, the dimensional change is determined. This is given, in each case for the longitudinal and transverse directions in percent relative to the initial value. The signs before the percent value indicate whether the dimensional changes are positive (+) or negative (-). The mean value is formed from at least six individual values (measurements).
  • the sample (DIN A4-sized sample) is provided with markings on which the thickness is determined in accordance with ISO 9073/2. After storing the sample for 1 hour at 150 ° C in a convection oven and then cooled for 20 minutes at room temperature, the thickness (ISO 9073/2) is determined again on the markers.
  • the mean value is formed from at least six individual values (measurements).
  • the fiber is provided with a biasing weight as described below.
  • the free fiber end is in one Clamped clamp of a terminal plate.
  • the length of the clamped fiber is determined (L 1 ).
  • the fiber is tempered freely without hanging for 10 minutes at 170 ° C in a circulating air drying oven. After at least 20 minutes of cooling at room temperature, the same weight piece from the determination of L 1 is again attached to the fiber and the new length determined after the shrinking process (L 2 ).
  • Fineness [dtex] Preload weight [mg] Fineness [dtex] Preload weight [mg] to 1.20 100 over 5.40 350 to 8.00 over 1,20 100 over 8,00 500 to 1.60 to 12.00 over 1.60 150 over 12.00 700 to 2.40 to 16.00 over 2.40 200 over 16.00 1000 to 3.60 to 24.00 over 3,60 250 over 24.00 1500 to 5.40 to 36.00
  • the fiber In the suspended state, the fiber should appear entreplexed. If the crimping is too strong, the next higher weight should be selected.
  • the sample is weighed and heated with a temperature program of 10 ° C / min from 0 ° C to 300 ° C.
  • the area under the obtained endothermic melting peaks is related with the weight of fiber and the associated masses of the sheath or core component, the enthalpy of fusion of the respective components in J / g.
  • Nonwoven A represents a drained, carded and thermally bonded nonwoven having a basis weight of 190g / m 2.
  • This nonwoven fabric consists of 75% of a low shrink PET / PBT bicomponent fiber having a sheath melt point of 225 ° C and a core to sheath ratio of 50: 50 and 25% from conventional PET fibers. The thickness is 0.9 mm and the air permeability 850 l / m 2 s at 200 Pa. 140g / m 2 of the fibers are carded over carding with transverse stretcher, the remaining 50g / m 2 are longitudinally carded.
  • the nonwoven fabric is bonded in a thermal fusion furnace at about 240 ° C and calibrated with an initial presser to the target thickness.
  • Nonwoven B was produced analogously to nonwoven A The difference is the use of conventional PET / co-PET bicomponent fibers with a Mantelschmeizddling of about 200 ° C and the reduction of the oven temperature to 230 ° C. The resulting basis weight, thickness and air permeability are comparable.
  • the nonwoven fabrics C and D represent wet laid, dried and thermally bonded nonwoven fabrics having a basis weight of 198 g / m 2 and 182 g / m 2.
  • These nonwoven fabrics consist of 72% of a low-shrinkage PET / PBT bicomponent fiber with a sheath melt point of 225 ° C and a core-shell ratio of 50:50 and 28% of conventional PET-Fasem.
  • the fibers are present as dispersible short cut fibers.
  • the fibers are laid down in a paper-laying process on a wire belt, dried and thermally bonded in a second dryer.
  • the outstanding properties of these nonwovens lie in the very good mechanical test values, as well as their excellent shrinkage behavior (Table 2).
  • the low-shrinkage bicomponent fibers according to the invention offer advantages, since these fibers are multiply activatable in comparison to unstretched binder fibers or not fully react in the first drying process.
  • the nonwovens A, C, D according to the invention are particularly suitable for use as motor oil filter medium in motor vehicles.
  • calendered PET nonwoven fabrics are made of a mixture of stretched and unstretched monofilament PET fibers prior art. Due to the calendering process, there is a risk of surface sealing, especially for heavy nonwovens with basis weights> 150 g / m 2 , since high roll temperatures or slow production speeds are necessary for good penetration of the nonwoven fabric in order to bring the necessary heat into the interior of the nonwoven fabric. Sealed surfaces harbor the risk of film formation, which in turn leads to poor membrane adhesion and lower flow rates (comparative nonwoven fabric E).
  • the FIGS. 4 and 5 demonstrate the different surfaces of a conventional nonwoven fabric (comparative example, nonwoven fabric E; FIG. 4 ) and the surface of a nonwoven fabric according to the invention (nonwoven fabric F; FIG. 5 ).
  • the nonwovens according to the invention of the corresponding bicomponent fibers overcome both obstacles, since they are low in shrinkage and easily allow food approvals by the construction of homopolymers.
  • the enthalpy of fusion is a direct measure of the crystalline proportions in the polymer.
  • the core-sheath ratios of the two fibers are 1: 1, resulting in the following melt enthalples of the fiber sheaths: Fiber A 63 y / g Fiber B 29 y / g
  • the core of both fibers can serve here, which consists of PET in both.
  • the melting enthalpy values obtained are comparable (59 J / g vs. 54 J / g).
  • the low peak height and the broader peak base are characteristic of fiber cladding based on copolymers (here CoPET).
  • comonomers such as e.g. Isophthalic acid in polyethylene terephthalate, both the melting point and the crystallinity or willingness to crystallize the polymer is reduced.
  • the nonwoven fabrics according to the invention are thus based on fibers of the fiber A type.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Multicomponent Fibers (AREA)

Claims (14)

  1. Utilisation d'un non-tissé lié thermiquement contenant une fibre à deux composants noyau-enveloppe pauvre en retrait, la fibre à deux composants noyau-enveloppe pauvre en retrait étant constituée par un noyau en polyester cristallin et une enveloppe en polyester cristallin fondant à une température inférieure d'au moins 10°C et présentant un retrait thermique à 170°C inférieur à 10% comme milieu de filtration d'un liquide, non-tissé support de membrane, milieu de filtration de gaz, séparateur de batterie ou non-tissé pour la surface de matériaux composites.
  2. Utilisation selon la revendication 1, le non-tissé étant utilisé comme milieu de filtration d'huile pour moteurs de véhicules à moteur.
  3. Utilisation selon la revendication 3, caractérisée en ce que l'enveloppe de la fibre à deux composants noyau-enveloppe pauvre en retrait est constituée à raison de > 95% d'un polymère de polyester homogène, qui n'est pas un copolymère.
  4. Utilisation selon la revendication 1 ou 2, caractérisée en ce que l'enveloppe de la fibre à deux composants noyau-enveloppe pauvre en retrait est constituée de poly(téréphtalate de butylène) (PBT), de poly(téréphtalate de triméthylène) (PTT) ou de poly(téréphtalate d'éthylène) (PET).
  5. Utilisation selon la revendication 1 ou 2, caractérisée en ce que le noyau de la fibre à deux composants noyau-enveloppe pauvre en retrait est constitué de poly(téréphtalate d'éthylène) (PET) ou de poly(naphtalate d'éthylène) (PEN).
  6. Utilisation selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la fibre à deux composants noyau-enveloppe pauvre en retrait présente un titre entre 0,1 et 15 dtex.
  7. Utilisation selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la fibre à deux composants noyau-enveloppe pauvre en retrait présente un rapport noyau-enveloppe entre 10:90 et 90:10, de préférence 50:50.
  8. Utilisation selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'elle contient jusqu'à 90% en poids d'une ou de plusieurs fibres.
  9. Utilisation selon l'une quelconque des revendications 1 à 8, caractérisée en ce que le non-tissé est déposé par voie humide.
  10. Utilisation selon l'une quelconque des revendications 1 à 8, caractérisée en ce que le non-tissé est déposé par voie sèche.
  11. Utilisation selon l'une quelconque des revendications 1 à 10, caractérisée en ce que la fibre à deux composants noyau-enveloppe pauvre en retrait présente un titre entre 0,1 et 15 dtex.
  12. Non-tissé selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'il présente un poids surfacique entre 20 et 500 g/m2.
  13. Non-tissé selon l'une quelconque des revendications 1 à 12, caractérisé en ce qu'il présente, à un poids surfacique > 150 g/m2, une résistance à la flexion transversale > 1 Nmm.
  14. Non-tissé selon l'une quelconque des revendications 1 à 13, caractérisé en ce qu'il présente, après 1 h à 150°C, une modification thermique des dimensions (bombement et retrait) < 2%, de préférence < 1%.
EP06707417.9A 2005-04-04 2006-03-04 Non-tisse lie thermiquement Active EP1866469B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06707417T PL1866469T3 (pl) 2005-04-04 2006-03-04 Włóknina łączona termicznie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510015550 DE102005015550C5 (de) 2005-04-04 2005-04-04 Verwendung eines thermisch gebundenen Vliesstoffs
PCT/EP2006/001992 WO2006105836A1 (fr) 2005-04-04 2006-03-04 Non-tisse lie thermiquement

Publications (2)

Publication Number Publication Date
EP1866469A1 EP1866469A1 (fr) 2007-12-19
EP1866469B1 true EP1866469B1 (fr) 2013-07-17

Family

ID=36599098

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06707417.9A Active EP1866469B1 (fr) 2005-04-04 2006-03-04 Non-tisse lie thermiquement

Country Status (9)

Country Link
US (2) US8124550B2 (fr)
EP (1) EP1866469B1 (fr)
KR (1) KR100942879B1 (fr)
CN (1) CN101151406B (fr)
DE (1) DE102005015550C5 (fr)
DK (1) DK1866469T3 (fr)
ES (1) ES2429537T3 (fr)
PL (1) PL1866469T3 (fr)
WO (1) WO2006105836A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015550C5 (de) * 2005-04-04 2013-02-07 Carl Freudenberg Kg Verwendung eines thermisch gebundenen Vliesstoffs
EP1964956B1 (fr) 2007-01-31 2010-07-28 Ivo Ruzek Support de tufting léger et très résistant et son procédé de fabrication
JP5497987B2 (ja) * 2007-06-22 2014-05-21 ユニ・チャーム株式会社 不織布およびその製造方法
CN102373578B (zh) * 2010-08-18 2014-09-17 扬光绿能股份有限公司 无纺布及其制造方法、气体燃料的产生装置和产生方法
DE102010052466A1 (de) 2010-11-26 2012-05-31 Carl Freudenberg Kg Membranträger, dessen Verwendung und Verfahren zur Herstellung flüssig applizierter Polymermembranen mit einem derartigen Membranträger
MY167349A (en) * 2010-12-24 2018-08-16 Kao Corp Method of producing nonwoven fabric, nonwoven fabric and manufacturing apparatus of nonwoven fabric, and a support for producing a nonwoven fabric
CN102660842A (zh) * 2012-05-22 2012-09-12 昆山吉美川纤维科技有限公司 床垫用椰棕板的制备方法
CN103866485B (zh) * 2012-12-11 2017-07-28 东丽纤维研究所（中国）有限公司 一种热粘合无纺布及其生产方法和用途
CN104424941B (zh) * 2013-09-05 2018-04-03 上海泰瑞电子科技有限公司 一种吸音材料及其制备方法
EP3052688B1 (fr) * 2013-10-02 2019-01-16 Carl Freudenberg KG Structure plane présentant une stabilité thermique élevée
DE102014003418B4 (de) 2014-03-13 2017-01-05 Carl Freudenberg Kg Element zur Lichtmanipulation
DE102014119524A1 (de) * 2014-12-23 2016-06-23 Coroplast Fritz Müller Gmbh & Co. Kg "Klebeband, basierend auf einem Nähvlies-Träger mit Bikomponentenfasern"
EP3078407A1 (fr) * 2015-04-10 2016-10-12 Carl Freudenberg KG Support de filtre haute performance et sans liant
DE202015105210U1 (de) 2015-10-02 2016-11-03 Ahlstrom Corp. Filtermedium mit hoher Hitzebeständigkeit
KR20180097515A (ko) * 2015-12-22 2018-08-31 도레이 카부시키가이샤 필터용 스펀본드 부직포 및 그 제조방법
DE102016220770A1 (de) * 2016-10-21 2018-04-26 Elringklinger Ag Abscheidevorrichtung, Motorvorrichtung und Abscheideverfahren
DE102017003361B4 (de) 2017-04-06 2021-09-30 Carl Freudenberg Kg Element zur Lichtmanipulation
DE102017004481A1 (de) * 2017-05-11 2018-11-15 Carl Freudenberg Kg Textiles Flächengebilde für die Elektroisolation
DE102018110246B4 (de) * 2018-04-27 2020-12-31 Johann Borgers GmbH Faservliesformteil
DE202021106602U1 (de) * 2020-12-03 2022-03-07 herotec GmbH Flächenheizung Verlegevorrichtung für Leitungen einer Flächentemperiervorrichtung

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589956A (en) * 1966-09-29 1971-06-29 Du Pont Process for making a thermally self-bonded low density nonwoven product
US4189338A (en) * 1972-11-25 1980-02-19 Chisso Corporation Method of forming autogenously bonded non-woven fabric comprising bi-component fibers
US3958593A (en) * 1974-05-13 1976-05-25 Joe William Christie Apparatus for connecting a main to a plurality of sizes of service lines
NZ185412A (en) * 1976-10-20 1980-03-05 Chisso Corp Heat-adhesive compsite fibres based on propylene
JPS53147816A (en) * 1977-05-24 1978-12-22 Chisso Corp Hot-melt fiber of polypropylene
US5082720A (en) * 1988-05-06 1992-01-21 Minnesota Mining And Manufacturing Company Melt-bondable fibers for use in nonwoven web
DK620589A (da) * 1988-12-09 1990-06-10 Du Pont Polyester egnet til anvendelse som bindefiber eller -filament
JPH0734326A (ja) * 1993-07-13 1995-02-03 Kuraray Co Ltd 熱接着性複合繊維
WO1996037644A2 (fr) * 1995-05-25 1996-11-28 Minnesota Mining And Manufacturing Company Filaments non etires, resistants, pouvant etre traites par voie fondue de façon durable, macrodenier, thermoplastiques, multi-composants.
DE69631716T2 (de) * 1995-06-06 2004-07-22 Chisso Corp. Endlosfaservliesstoff und Verfahren zur Herstellung
JP3097019B2 (ja) * 1995-08-07 2000-10-10 チッソ株式会社 熱融着性複合繊維およびその繊維を用いた不織布
US6007914A (en) * 1997-12-01 1999-12-28 3M Innovative Properties Company Fibers of polydiorganosiloxane polyurea copolymers
EP0924322A1 (fr) * 1997-12-19 1999-06-23 Mitsui Chemicals, Inc. Filaments conjugués et non-tissés en fabriqués
DE19804418B4 (de) * 1998-02-05 2005-09-29 Sandler Ag Voluminöses Flächengebilde zur Unterpolsterung von Dekorschichten
US6752947B1 (en) * 1998-07-16 2004-06-22 Hercules Incorporated Method and apparatus for thermal bonding high elongation nonwoven fabric
DE19840050C2 (de) * 1998-09-02 2001-04-19 Sandler C H Gmbh Hitze- und dimensionsstabiler thermisch verfestigter Vliesstoff
DE19962359B4 (de) * 1999-12-23 2004-07-08 Carl Freudenberg Kg Thermovliesstoff
ATE447058T1 (de) * 2001-11-30 2009-11-15 Teijin Ltd Maschinengekräuselte synthesefaser mit latenter dreidimensionaler einkräuselfähigkeit und verfahren zu deren herstellung
CN1324074C (zh) * 2002-01-11 2007-07-04 东洋纺织株式会社 聚酯薄膜
JP4016320B2 (ja) * 2002-04-17 2007-12-05 東洋紡績株式会社 ポリエステル系長繊維不織布およびそれを用いた分離膜
US7438777B2 (en) * 2005-04-01 2008-10-21 North Carolina State University Lightweight high-tensile, high-tear strength bicomponent nonwoven fabrics
DE102005015550C5 (de) * 2005-04-04 2013-02-07 Carl Freudenberg Kg Verwendung eines thermisch gebundenen Vliesstoffs

Also Published As

Publication number Publication date
CN101151406A (zh) 2008-03-26
KR20070116279A (ko) 2007-12-07
US20080308490A1 (en) 2008-12-18
ES2429537T3 (es) 2013-11-15
PL1866469T3 (pl) 2013-12-31
KR100942879B1 (ko) 2010-02-17
DE102005015550A1 (de) 2006-10-26
DE102005015550C5 (de) 2013-02-07
WO2006105836A1 (fr) 2006-10-12
US8124550B2 (en) 2012-02-28
US20120129032A1 (en) 2012-05-24
DE102005015550B4 (de) 2009-07-23
US8481437B2 (en) 2013-07-09
CN101151406B (zh) 2011-07-06
DK1866469T3 (da) 2013-10-14
EP1866469A1 (fr) 2007-12-19

Similar Documents

Publication Publication Date Title
EP1866469B1 (fr) Non-tisse lie thermiquement
DE69818118T2 (de) Hohle Polyesterfasern und diese enthaltende Textilien
DE60217500T2 (de) Elastische, hitze- und feuchtigkeitsbeständige bikomponenten- und bikonstituentenfasern
DE69925140T3 (de) Faservliess als unterlage und tufting-teppich
DE3202485C2 (fr)
EP3375923B1 (fr) Composite textile insonorisant
DE2735063B2 (de) Faserbahn aus Mikrofasern und Stapelfasern
DE102017002552A1 (de) Schallabsorbierendes Textilkomposit
WO2011113751A1 (fr) Tissu multiaxial cousu
EP1772258B1 (fr) Utilisation d&#39;un stratifié non-tissé pour la préparation de pièces renforcées et pièce renforcée
DE1760473A1 (de) Spiralenfoermig gekraeuselte Faeden
DE19620361C5 (de) Trägereinlage und deren Verwendung
DE202016008648U1 (de) Volumenvliesstoff
DE60022157T2 (de) Kontinuierliche und/oder diskontinuierliche dreikomponente Polymerfasern für Vliesstoffe, und Herstellungsverfahren
DE112013001163B4 (de) Kabelbaum und Verfahren zu dessen Herstellung
EP0279677B1 (fr) Duvet artificiel
EP4036297A1 (fr) Laminé de non-tissé et procédé de fabrication d&#39;un laminé de non-tissé
EP1505187A1 (fr) Etoffe non-tissée spunbond, ainsi que son procédé de fabrication
DE102020104993A1 (de) Halbzeug für ein Schleifmittel, Schleifmittel und Verfahren zur Herstellung derselben
DE202015105210U1 (de) Filtermedium mit hoher Hitzebeständigkeit
DE19840050C2 (de) Hitze- und dimensionsstabiler thermisch verfestigter Vliesstoff
DE102021133730B3 (de) Akustisch wirksames und dimensionsstabiles Formteil
EP3128057B1 (fr) Tissu non tisse extensible, procede de fabrication d&#39;un tissu non tisse extensible et son utilisation
DE202021106897U1 (de) Akustisch wirksames und dimensionsstabiles Formteil
DE102022112586A1 (de) Wundauflage

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070906

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20110302

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 502006013030

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: D04H0001540000

Ipc: D04H0001740000

RIC1 Information provided on ipc code assigned before grant

Ipc: D04H 1/54 20120101ALI20121005BHEP

Ipc: D04H 1/42 20120101ALI20121005BHEP

Ipc: D04H 1/55 20120101ALI20121005BHEP

Ipc: D01F 8/14 20060101ALI20121005BHEP

Ipc: D04H 1/541 20120101ALI20121005BHEP

Ipc: D04H 1/74 20060101AFI20121005BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHILLING, HOLGER

Inventor name: BERKEMANN, RALPH

Inventor name: VEESER, KLAUS

Inventor name: FREY, GUENTER

Inventor name: GREINER, ARMIN

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 622305

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130815

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502006013030

Country of ref document: DE

Effective date: 20130912

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: T3

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2429537

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20131115

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: PL

Ref legal event code: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130703

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20131118

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20131117

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20131018

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

26 Opposition filed

Opponent name: BONAR B.V.

Effective date: 20140409

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

REG Reference to a national code

Ref country code: DE

Ref legal event code: R026

Ref document number: 502006013030

Country of ref document: DE

Effective date: 20140409

PLAF Information modified related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSCOBS2

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20140304

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140304

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

APBM Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNO

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130717

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20060304

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: LOW & BONAR B.V.

Effective date: 20140409

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

APBY Invitation to file observations in appeal sent

Free format text: ORIGINAL CODE: EPIDOSNOBA2O

APCA Receipt of observations in appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNOBA4O

APAR Information on invitation to file observation in appeal modified

Free format text: ORIGINAL CODE: EPIDOSCOBA2O

APBI Information on receipt of observation in appeal deleted

Free format text: ORIGINAL CODE: EPIDOSDOBA4O

APCA Receipt of observations in appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNOBA4O

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

APAR Information on invitation to file observation in appeal modified

Free format text: ORIGINAL CODE: EPIDOSCOBA2O

APBI Information on receipt of observation in appeal deleted

Free format text: ORIGINAL CODE: EPIDOSDOBA4O

APCA Receipt of observations in appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNOBA4O

REG Reference to a national code

Ref country code: DE

Ref legal event code: R100

Ref document number: 502006013030

Country of ref document: DE

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 20190703

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20210322

Year of fee payment: 16

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

Effective date: 20220331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220331

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230322

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20230322

Year of fee payment: 18

Ref country code: PL

Payment date: 20230223

Year of fee payment: 18

Ref country code: DE

Payment date: 20230323

Year of fee payment: 18

Ref country code: BE

Payment date: 20230322

Year of fee payment: 18

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230503

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20230331

Year of fee payment: 18

Ref country code: ES

Payment date: 20230403

Year of fee payment: 18

Ref country code: CH

Payment date: 20230401

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20240320

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20240319

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20240326

Year of fee payment: 19

Ref country code: GB

Payment date: 20240320

Year of fee payment: 19