EP4497859B1 - Vliesstoff - Google Patents

Vliesstoff

Info

Publication number
EP4497859B1
EP4497859B1 EP23187168.2A EP23187168A EP4497859B1 EP 4497859 B1 EP4497859 B1 EP 4497859B1 EP 23187168 A EP23187168 A EP 23187168A EP 4497859 B1 EP4497859 B1 EP 4497859B1
Authority
EP
European Patent Office
Prior art keywords
fibres
dtex
nonwoven fabric
linear density
unit
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
EP23187168.2A
Other languages
English (en)
French (fr)
Other versions
EP4497859A1 (de
Inventor
Piia TIAINEN
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.)
Suominen Oyj
Original Assignee
Suominen Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suominen Oyj filed Critical Suominen Oyj
Priority to EP23187168.2A priority Critical patent/EP4497859B1/de
Priority to US18/780,562 priority patent/US20250034768A1/en
Publication of EP4497859A1 publication Critical patent/EP4497859A1/de
Application granted granted Critical
Publication of EP4497859B1 publication Critical patent/EP4497859B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • 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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • 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
    • D04H1/43835—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
    • D04H1/42—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
    • D04H1/4391—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 characterised by the shape of the fibres
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/49—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation entanglement by fluid jet in combination with another consolidation means
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
    • D10B2201/24—Viscose
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/063—Load-responsive characteristics high strength
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2509/00—Medical; Hygiene
    • D10B2509/02—Bandages, dressings or absorbent pads
    • D10B2509/026—Absorbent pads; Tampons; Laundry; Towels

Landscapes

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

Claims (10)

  1. Vliesstoff, bestehend aus Viskosefasern, umfassend
    - 40-60 Gew.-% an Viskosefasern, die eine lineare Dichte von 1,6-1,8 dtex und eine Länge von 38-42 mm aufweisen; und
    - 40-60 Gew.-% an Viskosefasern, die eine lineare Dichte von 0,9-1,4 dtex und eine Länge von 38-42 mm aufweisen.
  2. Vliesstoff nach Anspruch 1, umfassend
    - 45-55 Gew.-% an Viskosefasern, die eine lineare Dichte von 1,6-1,8 dtex und eine Länge von 38-42 mm aufweisen; und
    - 44-55 Gew.-% an Viskosefasern, die eine lineare Dichte von 1,2-1,4 dtex und eine Länge von 38-42 mm aufweisen.
  3. Vliesstoff nach Anspruch 1 oder 2, bestehend aus 50 Gew.-% an Viskosefasern, die eine lineare Dichte von 1,6-1,8 dtex aufweisen, und 50 Gew.-% an Viskosefasern, die eine lineare Dichte von 1,2-1,4 dtex aufweisen.
  4. Vliesstoff nach einem der vorstehenden Ansprüche, bestehend aus 50 Gew.-% an Viskosefasern, die eine lineare Dichte von 1,7 dtex aufweisen, und 50 Gew.-% an Viskosefasern, die eine lineare Dichte von 1,3 dtex aufweisen.
  5. Vliesstoff nach Anspruch 1 oder 2, der weiter bis zu 20 Gew.-% an Viskosefasern umfasst, die lineare Dichte, die sich von 0,9-1,4 und 1,6-1,8 dtex unterscheidet, und/oder eine Länge aufweisen, die sich von 38-42 mm unterscheidet.
  6. Vliesstoff nach einem der vorstehenden Ansprüche, der einen Trocken-Weichheitswert von 0,4-0,7 N/10 cm und einen Nass-Weichheitswert von 0,3-0,5 N/10 cm aufweist, wobei die Weichheitswerte wie in der Beschreibung beschrieben gemessen werden.
  7. Verfahren zur Herstellung eines Vliesstoffs, der aus Viskosefasern besteht, wobei das Verfahren die Schritte umfasst zum
    - Bereitstellen eines Gemisches aus Viskosefasern, wobei das Gemisch umfasst:
    - 40-60 Gew.-% an Viskosefasern, die eine lineare Dichte von 1,6-1,8 dtex und eine Länge von 38-42 mm aufweisen; und
    - 40-60 Gew.-% an Viskosefasern, die eine lineare Dichte von 0,9-1,4 dtex und eine Länge von 38-42 mm aufweisen;
    - Kardieren der Fasern und Bilden eines Fasernetzes auf einer Drahtstütze,
    - Wasserstrahlverfestigen der gebildeten Bahn unter Verwendung von mindestens einer ersten und einer zweiten Wasserstrahlverfestigungseinheit, wobei eine Wasserstrahlverfestigungsenergie in der ersten Wasserstrahlverfestigungseinheit geringer ist als die Wasserstrahlverfestigungsenergie in der zweiten Wasserstrahlverfestigungseinheit,
    - Entwässern der wasserstrahlverfestigten Bahn, und
    - Trocknen der entwässerten Bahn bei einer Temperatur von 120-150 °C.
  8. Verfahren nach Anspruch 7, wobei die Wasserstrahlverfestigungsenergie an der ersten Einheit 30-40 % der gesamten Wasserstrahlverfestigungsenergie beträgt und die Wasserstrahlverfestigungsenergie an der zweiten Einheit 60-70 % der gesamten Wasserstrahlverfestigungsenergie beträgt.
  9. Verfahren nach Anspruch 7 oder 8, das weiter die Verwendung einer dritten Wasserstrahlverfestigungseinheit umfasst, wobei die kumulative Wasserstrahlverfestigungsenergie in der dritten Wasserstrahlverfestigungseinheit höher ist als die kumulative Wasserstrahlverfestigungsenergie in der ersten Wasserstrahlverfestigungseinheit und niedriger als die kumulative Wasserstrahlverfestigungsenergie in der zweiten Wasserstrahlverfestigungseinheit.
  10. Verfahren nach einem der Ansprüche 7-9, das weiter Vorbefeuchten der Fasern nach dem Kardieren und vor dem Wasserstrahlverfestigen umfasst.
EP23187168.2A 2023-07-24 2023-07-24 Vliesstoff Active EP4497859B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP23187168.2A EP4497859B1 (de) 2023-07-24 2023-07-24 Vliesstoff
US18/780,562 US20250034768A1 (en) 2023-07-24 2024-07-23 Nonwoven fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23187168.2A EP4497859B1 (de) 2023-07-24 2023-07-24 Vliesstoff

Publications (2)

Publication Number Publication Date
EP4497859A1 EP4497859A1 (de) 2025-01-29
EP4497859B1 true EP4497859B1 (de) 2026-02-25

Family

ID=87429337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23187168.2A Active EP4497859B1 (de) 2023-07-24 2023-07-24 Vliesstoff

Country Status (2)

Country Link
US (1) US20250034768A1 (de)
EP (1) EP4497859B1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7359694B2 (ja) * 2017-02-28 2023-10-11 イーストマン ケミカル カンパニー 不織布におけるセルロースアセテート繊維
EP4166705B1 (de) * 2021-10-18 2026-04-22 Suominen Oyj Verfahren zur herstellung von vliesstoff und vliesstoff

Also Published As

Publication number Publication date
US20250034768A1 (en) 2025-01-30
EP4497859A1 (de) 2025-01-29

Similar Documents

Publication Publication Date Title
KR102120511B1 (ko) 수류-결합된 에어레이드 웹의 제조 방법 및 이로부터 수득된 제품
EP4166705B1 (de) Verfahren zur herstellung von vliesstoff und vliesstoff
EP3610062B1 (de) Wasserstrahlverfestigtes airlaid-verfahren und industrielle wischprodukte
EP3385431A1 (de) Cellulosefaservliesstoff mit homogen verflochtenen fasern
EP0633958A1 (de) Gemusterte wasserstrahlenverfestigte vliesstoffen aus holzpulpe und/oder holzpulpeantigen fasern.
JP4722222B2 (ja) 化粧用シートおよびその製造方法
US11821118B2 (en) Nonwoven fabric comprised of crimped bast fibers
EP4077786B1 (de) Vliesstoff und verfahren zum herstellen der bahn
EP1325182B1 (de) Unterschiedlich verwirbeltes faservlies
JP6005977B2 (ja) 化粧用シート
EP4497859B1 (de) Vliesstoff
JPH08291451A (ja) 不織布およびその製造方法
JP2007009356A (ja) 積層不織布およびその製造方法
JP5033716B2 (ja) 繊維構造物
WO2018184049A1 (en) A nonwoven material designed for use in hygiene applications
CA3168461C (en) Nonwoven web and methods to prepare the web
JP5449453B2 (ja) 分割型複合繊維
EP3385432A1 (de) Cellulosefaservliesstoff mit extrem niedrigem schwermetallgehalt
Bhat et al. Biodegradable nonwovens
JPH08291452A (ja) 積層不織布およびその製造方法

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

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

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20250616

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SUOMINEN OYJ

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20250924

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

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

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: F10

Free format text: ST27 STATUS EVENT CODE: U-0-0-F10-F00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20260225

Ref country code: GB

Ref legal event code: FG4D

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

Free format text: CASE NUMBER: UPC_APP_0004146_4497859/2026

Effective date: 20260205

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602023012493

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D