DE340763T1 - Synthetische bikomponentenfaser und verfahren zu ihrer herstellung. - Google Patents

Synthetische bikomponentenfaser und verfahren zu ihrer herstellung.

Info

Publication number
DE340763T1
DE340763T1 DE198989108046T DE89108046T DE340763T1 DE 340763 T1 DE340763 T1 DE 340763T1 DE 198989108046 T DE198989108046 T DE 198989108046T DE 89108046 T DE89108046 T DE 89108046T DE 340763 T1 DE340763 T1 DE 340763T1
Authority
DE
Germany
Prior art keywords
approximately
poly
component
density polyethylene
fibers
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.)
Pending
Application number
DE198989108046T
Other languages
English (en)
Inventor
Anders Staf Dk-6840 Oksbol Hansen
Bjorn Dk-2820 Gentofte Marcher
Peter Dk-2000 Frederiksberg Schloss
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.)
Danaklon AS
Original Assignee
Danaklon AS
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 Danaklon AS filed Critical Danaklon AS
Publication of DE340763T1 publication Critical patent/DE340763T1/de
Pending legal-status Critical Current

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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
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin 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
    • D04H1/542—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
    • D04H1/40—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
    • D04H1/50—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 treatment to produce shrinking, swelling, crimping or curling of 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
    • D04H1/54—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
    • D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed 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
    • 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
    • D04H1/544—Olefin series
    • 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
    • D04H1/56—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 in association with fibre formation, e.g. immediately following extrusion of staple 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
    • D04H1/70—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
    • D04H1/72—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 randomly arranged
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D21H15/10—Composite 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
    • D04H1/54—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
    • D04H1/5414—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres side-by-side
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
    • Y10T428/2924—Composite
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • Y10T428/2931—Fibers or filaments nonconcentric [e.g., side-by-side or eccentric, etc.]
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2967—Synthetic resin or 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2967—Synthetic resin or polymer
    • Y10T428/2969—Polyamide, polyimide or polyester
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2971—Impregnation
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension
    • 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
    • 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]
    • Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Multicomponent Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Inorganic Fibers (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Materials For Medical Uses (AREA)
  • Artificial Filaments (AREA)
  • Chemical Treatment Of Fibers During Manufacturing Processes (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Measurement Of Radiation (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)

Claims (1)

  1. 034Ü763
    Danaklon A/S 89 108 046.7
    Patentansprüche
    1. Thermisch verbindbare synthetische
    Zweikomponentenfaser mit einer Länge von mindestens ungefähr 3 mm, die für die Verwendung beim Mischen einer flockigen Masse (fluff pulp) geeignet ist und eine innere Kernkomponente und eine äußere Scheidenkomponente umfaßt, wobei
    - die Kernkomponente ein Polyolefin oder einen Polyester umfaßt,
    - die Scheidenkomponente ein Polyolefin umfaßt, und
    - die Kernkomoonente einen höheren Schmelzpunkt
    als die Scheidenkomponente hat. '■
    2. Synthetische Zweikomponentenfaser nach Anspruch 1, dadurch gekennzeichnet, daß sie durch den Einbau eines oberflächenaktiven Mittels in die Scheidenkomponente, beispielsweise eines Fettsäureesters von Glyceriden, eines Fett sau ream ides, eines Po IygIycolesters, eines pol yethoxyIierten Amides, eines nicht-ionischen oberflächenaktiven Kittels (surfactant), eines kationischen oberflächenaktiven Mittels oder einer Mischung der angegebenen und/oder anderer Verbindungen, aie normalerweise als Emulgatoren, oberflächenaktive Mittel oder Detergenzien verwendet werden, dauerhaft im wesentlichen hydrophil gemacht worden ist.
    3. Synthetische Zweikomponentenfaser nach Anspruch 2, dadurch gekennzeichnet, daß das oberflächenaktive Mittel in der Scheidenkomponente in einer Menge von
    034Ü763
    ungefähr 0,1 - 5 %, bevorzugt ungefähr 0,5 - 2 %,
    bezogen auf das Gesamtgewicht der Faser, eingebaut ist.
    4. Synthetische Zweikomponentenfaser nach Anspruch oder 3,
    dadurch gekennzeichnet, daß die Scheidenkomponente ein Et hy L &ngr;inyLacetat- oder Et hy LenacryL saure-Copolymer oder ein anderes hydrophiles Copolymer oder hydrophiles
    Polymer umfaßt.
    5 . ■Synthetisehe Zweikomponentenfaser nach Anspruch 4, dadurch gekennzeichnet, daß sie ungefähr 0,1 - 5 %, bevorzugt ungefähr 0,5 - 2 % Vinylacetat oder
    Acrylsäure, bezogen auf das Gesamtgewicht der Faser, enthält.
    6, Synthetische Iweikomponentenfaser nach einem der Ansprüche 1 bis 5 ,
    dadurch gekennzeichnet, daß der Schmelzpunkt der
    Ke rnkosiponent e mindestens 150 C beträgt und der der Sehe idenkOiTiponente 1400C oder weniger beträgt.
    7. Synthetische Zweikomponentenfaser nach einem der Ansprüche 1 bis 5,
    dadurch gekennzeichnet, daß der Schmelzpunkt der
    Kernkomponente mindestens 21O0C beträgt und der der Scheidenkomponente 1700C oder weniger beträgt.
    5. Synthetische Zweikowponentenfaser nach einem der Ansprücne 1 bis 7,
    dadurch gekennzeichnet, daß die Scheidenkomponente ein Polyolefin, beispielsweise Polyethylen hoher Dichte, Polyethylen geringer Dichte, lineares Polyethylen
    geringer Dichte, Polypropylen, Poly(1-buten) oder
    Copolymere oder Mischungen der vorstehend genannten Verbindungen enthält.
    9. Synthetische Zweikomponentenfaser nach einem der Ansprüche 1 bis 8/
    dadurch gekennzeichnet/ daß die Kernkomponente ein hochschmeLzendes Polyolefin/ beispielsweise Polypropylen oder Poly(4-methyI-1-penten) oder ein Polyester/ beispielsweise Poly(et hylen-terephtha I at), Poly(butylenterephtha I at) oder Poly(1,4-cyclohexylen-dimethylenterephtha I at) oder Copolymere oder Mischungen davon umf aßt.
    10. Synthetische Zweikomponentenfaser nach einem der Ansprüche 1 bis 9,
    dadurch gekennzeichnet/ daß (a) die Kern- und (b) die Scheidenkomponenten umfassen:
    - (a) Polypropylen und (b) entweder Polyethylen
    hoher Dichte/ Polyethylen geringer Dichte, Lineares Polyethylen geringer Dichte/ Polypropylen oder Poly(1-buten), oder
    - (a) ?oly(4-methyl-1-penten) oder ein Polyester
    (beispielsweise PolyCethylen-terephthalat), Po Iy(buty I en-terephtha lat) oder Poly(1/4-cyc lohexylen-dimethylen-terephthalat)) und (b) entweder Polypropylen, Polyethylen hoher Dichte, Polyethylen geringer Dichte, lineares Polyethylen geringer Dichte, Polypropylen oder Poly(1-buten).
    .11. Synthetische Zwe i komponentenf ase r nach einem der Ansprüche 1 bis 10,
    dadurch gekennzeichnet, daß die Gewichtsverteilung der Scheiden/Kernkomponenten von ungefähr 10:90 bis 90:10, insbesondere von ungefähr 30:70 bis 70:30 und bevorzugt von ungefähr 40:60 bis 65:35 beträgt.
    12. Synthetische Zweikomponentenfaser nach einem der Ansprüche 1 bi s 11,
    dadurch gekennzeichnet, daß sie eine Länge von ungefähr 3-24 mm, insbesondere ungefähr 5 - 20 mm und bevorzugt ungefähr 6 - 18 mm hat.
    13. Synthetische Zweikomponentenfaser nach Anspruch imt einer Länge von ungefähr 6 mm.
    14. Synthetische Zwei korsponentenf aser nach Anspruch mit einer Länge von ungefähr 12 mm.
    15. Synthetische Zweikomponentenfaser nach einem der Ansprüche 1 bis 14 mit einer Feinheit von ungefähr 1-7 dtex/ insbesondere ungefähr 1,5 - 5 dtex, bevorzugt ungefähr 1,7 - 3,3 dtex und besonders bevorzugt ungefähr 1,7 - 2,2 dtex.
    1&oacgr;. Synthetische Zweikomponentenfaser nach einem der Ansprüche 1 bis 15,
    dadurch gekennzeichnet, daß sie bis zu einem Grad von ungefähr 0 - 10 KräuseLungen/cm, bevorzugt von ungefähr 0 - 4 Kräuselungen/cm, strukturiert worden ist.
    17. Synthetische Zweikomponentenfaser nach einem der Ansprüche 1 bis 16,
    dadurch gekennzeichnet, daß sie einen zirkulären, ovalen oder unregelmäßigen Querschnitt, bevorzugt einen zirkulären Querschnitt, aufweist.
    18. Synthetische Zweikomponentenfaser nach einem der Ansprüche 1 bis 17,
    dadurch gekennzeichnet, daß die zwei Komponenten in einer konzentrischen oder azentrischen Konfiguration angeordnet sind.
    034Ü763
    19. Verfahren zum Herstellen thermisch verbindbarer synthetischer Zweikomponentenfasern vom Scheiden-und-Kerntyp, die zur Verwendung beim Mischen von flockigen Massen geeignet sind, wobei die Fasern eine Länge von wenigstens ungefähr 3 mm aufweisen und eine Polyolefin umfassende Scheidenkomponente und eine ein Polyolefin oder einen Polyester umfassende Kernkomponente haben, wobei das Verfahren umfaßt:
    - Schmelzen der Grundbestandteile der Kern- und
    Scheidenkomponenten,
    - bevorzugt das Inkorporieren eines oberflächenaktiven Mittels oder eines hydrophilen Polymers oder Copolymers in die Scheidenkomponente,
    - Spinnen der niedrig schmelzenden Scheidenkomponente und der hoch schmelzenden Kernkomponente
    zu einem Spinnbündel von Zweikomponenten-
    f ilament en,
    - Strecken des Sündeis aus Filamenten,
    - bevorzugt Kräuseln der Fasern,
    - Trocknen und Fixieren der Fasern, und
    - Schneiden der Fasern zu einer gewünschten Länge.
    20. Verfahren nach Anspruch 19,
    dadurch gekennzeichnet, daß die Fasern durch
    Inkorporieren eines oberflächenaktiven Mittels in die Scheidenkomponente, beispielsweise eines Fettsäureesters eines Glycerides, eines Fettsäureami des, eines
    Polyg I ycolesters, eines pol yethoxyIierten Amides, eines nicht-ionischen oberflächenaktiven Mittels, eines
    kationischen oberflächenaktiven Mittels, oder einer
    Mischung der angegebenen und/oder weiterer Verbindungen, die normalerweise als Emulgatoren, oberflächenaktive
    Mittel oder Detergenzien verwendet werden, dauerhaft im wesentlichen hydrophil gemacht werden.
    21. Verfahren nach Anspruch 20,
    dadurch gekennzeichnet, daß das oberflächenaktive Mittel in die Scheidenkomponente in einer Menge von ungefähr 0,1 - 5 %, bevorzugt ungefähr 0,5 - 2 %, bezogen auf das Gesamtgewicht der Fasern, eingebaut wird.
    22. Verfahren nach Anspruch 20 oder 21,
    dadurch gekennzeichnet, daß die Scheidenkomponente der Fasern ein Ethyl vinylacetat- oder Ethylenacrylsäure-Copolymer oder ein anderes hydrophiles Copolymer oder Polymer umfaßt.
    23. Verfahren nach Anspruch 22,
    dadurch gekennzeichnet, daß die Fasern ungefähr 0,1 5 S, bevorzugt ungefähr 0,5 - 2 % Vinylacetat oder Acrylsäure, bezogen auf das Gesamtgewicht der Fasern, U iT; f 3 S S S &Pgr; .
    24. Verfahren nach einer?! der Ansprüche 19 bis 23, dadurch gekennzeichnet, daß &oacgr;&zgr;&ngr; Schmelzpunkt der Ke rnkornponent e mindestens 150°C und der der Scheidenkomponente 140°C oder weniger beträgt.
    25. Verfahren nach einem der Ansprüche 19 bis 23, dadurch gekennzeichnet, daß der Schmelzpunkt der Kernkomponente mindestens 210 C und der der Seneidenkomoonente 170 C oder weniger beträgt.
    26. Verfahren nach einem der Ansprüche 19 bis 25, dadurch gekennzeichnet, daß die Scheidenkomponente ein Polyolefin, beispielsweise Polyethylen hoher Dichte, Polyethylen geringer Dichte, lineares Polyethylen geringer Dichte, Polypropylen, Poly(1-buten), oder Copolymere oder Mischungen der vorstehend genannten Verbindungen umfaßt.
    03407b;:
    27. Verfahren nach einem der Ansprüche 19 bis 26/ dadurch gekennzeichnet/ daß die Kernkomponente ein hochschmeLzendes PoLyoLefin/ beispieLsweise PoLypropylen oder PoLy(4-methyL-1-penten)/ oder ein PoLyester, beispieLsweise PoLy(ethyLen-terephthaLat), PoLy(butyLenterephthaLat) oder PoLy(1/4-cycLohexyLen-dimethyLenterephtha Lat)/ oder CopoLymere oder Mischungen der vorstehend genannten Verbindungen umfaßt.
    28. Verfahren nach einem der Ansprüche 19 bis 27/ dadurch gekennzeichnet/ daß (a) die Kern- und (b) die Scheidenkomponenten umfassen:
    - (a) PoLypropyLen und (b) entweder PoLyethyLen hoher Dichte, PoLyethyLen geringer Dichte/ Lineares PoLyethyLen geringer Dichte, PoLypropyLen oder PoLy(1-buten)/ oder
    - (a) PoLy(4-methy 1-1-penten) oder ein PoLyester (beispieLsweise PoLy(ethyLen-terephthaLat), PoLy(butyLen-terephthaLat) oder PoLy(1/4-cycLohexyLen-dimethyLen-terephthaLat)) und
    (b) entweder PoLypropyLen/ PoLyethyLen hoher Dichte, PoLyethyLen geringer Dichte, Lineares PoLyethyLen geringer Dichte, PoLypropyLen oder PoLy(1-buten).
    29. Verfahren nach einem der Ansprüche 19 bis 28, dadurch gekennzeichnet, daß die Gewichtsvertei Lung der Sc heiden/Kernkomoonenten von ungefähr 10:90 bis 90:10, insbesondere von ungefähr 30:70 bis 70:30 und bevorzugt von ungefähr 40:6 0 bis 65:35 beträgt.
    30. Verfahren nach einem der Ansprüche 19 bis 29/ dadurch gekennzeichnet, daß die Filamente entweder unter Verwendung herkömmLichen SchmeLzspinnens oder Kurzspinnens, bevorzugt herkömmlichen Schmelzspinnens, gesponnen werden.
    31. Verfahren nach einem der Ansprüche 19 bis 30, dadurch gekennzeichnet, daß die Fasern einen zirkulären, Ovalen oder unregelmäßigen Querschnitt, bevorzugt einen zirkulären Querschnitt haben.
    32. Verfahren nach einem der Ansprüche 19 bis 31, dadurch gekennzeichnet, daß die zwei Komponenten in einer konzentrischen oder azentrischen Konfiguration angeordnet sind.
    33. Verfahren nach einem der Ansprüche 19 bis 32, dadurch gekennze'ichnet, daß das Bündel von Filamenten unter Verwendung eines "off-Iine"-Streckverf ahrerts gestreckt werden.
    34. Verfahren nach einem der Ansprüche 19 bis 33, dadurch gekennzeichnet, daß das Streckverhältnis ungefähr 2,5:1 bis 4,5:1, bevorzugt ungefähr 3,0:1 bis 4,0:1 bet ragt.
    35. Verfahren nach einem der Ansprüche 19 bis 34, dadurch gekennzeichnet, daß die Fasern zu einer Feinheit von ungefähr 1 - 7 dtex, insbesondere ungefähr 1,5 dtex, bevorzugt ungefähr 1,7 - 3,3 dtex und besonders bevorzugt ungefähr 1,7 - 2,2 dtex gestreckt werden.
    3&oacgr;. Verfahren nach einem der Ansprüche 19 bis 35, dadurch gekennzeichnet, daß die Fasern bis zu einem Grad von ungefähr 0-10 KräuseLungen/cm, bevorzugt ungefähr 0-4 Kräuselungen/cm, strukturiert werden.
    37. Verfahren nach einem der Ansprüche 19 bis 36, dadurch gekennzeichnet, daß die Fasern zu einer Länge von ungefähr 3-24 mm, insbesondere ungefähr 5-20 mm, bevorzugt ungefähr 6-18 mm, geschnitten werden.
    38. Verfahren nach Anspruch 37,
    dadurch gekennzeichnet, daß die Fasern zu einer Länge von ungefähr 6 mm geschnitten werden.
    39. Verfahren nach Anspruch 37,
    dadurch gekennzeichnet, daß die Fasern zu einer Länge von ungefähr 12 mm geschnitten werden.
DE198989108046T 1988-05-05 1989-05-03 Synthetische bikomponentenfaser und verfahren zu ihrer herstellung. Pending DE340763T1 (de)

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CN1037555A (zh) 1989-11-29
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US5456982A (en) 1995-10-10
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