GB1073181A - Bonded-web nonwoven products - Google Patents

Bonded-web nonwoven products

Info

Publication number
GB1073181A
GB1073181A GB4733/63A GB473363A GB1073181A GB 1073181 A GB1073181 A GB 1073181A GB 4733/63 A GB4733/63 A GB 4733/63A GB 473363 A GB473363 A GB 473363A GB 1073181 A GB1073181 A GB 1073181A
Authority
GB
United Kingdom
Prior art keywords
fibres
fibre
components
treatment
component
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.)
Expired
Application number
GB4733/63A
Inventor
Stanley Davies
Christopher Robert Sissons
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB4400/64A priority Critical patent/GB1073183A/en
Priority to GB4733/63A priority patent/GB1073181A/en
Priority to DE19641560653 priority patent/DE1560653B1/en
Priority to NO151828A priority patent/NO124547B/no
Priority to SE01339/64A priority patent/SE327688B/xx
Priority to SE01338/64A priority patent/SE327687B/xx
Priority to CH135564A priority patent/CH514013A/en
Priority to AT93664A priority patent/AT296211B/en
Priority to LU45363A priority patent/LU45363A1/xx
Priority to BE643421D priority patent/BE643421A/xx
Priority to FR962764A priority patent/FR1392035A/en
Priority to NL6400932A priority patent/NL6400932A/xx
Priority to CH135864A priority patent/CH448006A/en
Priority to DK55264AA priority patent/DK120531B/en
Priority to DK55464AA priority patent/DK116125B/en
Priority to ES296120A priority patent/ES296120A1/en
Priority to FI640220A priority patent/FI44052C/en
Priority to NL6400929A priority patent/NL6400929A/xx
Priority to FR962763A priority patent/FR1392034A/en
Priority to BE643420D priority patent/BE643420A/xx
Priority to ES0296121A priority patent/ES296121A1/en
Priority to LU45367D priority patent/LU45367A1/xx
Priority to AT93564A priority patent/AT291922B/en
Publication of GB1073181A publication Critical patent/GB1073181A/en
Priority to US752395A priority patent/US3595731A/en
Expired legal-status Critical Current

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
    • D04H1/44—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
    • D04H1/485—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 in combination with weld-bonding
    • 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
    • D04H1/5414—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres side-by-side
    • 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
    • D04H1/549—Polyamides
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D04H3/147—Composite yarns or filaments
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0025—Rubber threads; Elastomeric fibres; Stretchable, bulked or crimped fibres; Retractable, crimpable fibres; Shrinking or stretching of fibres during manufacture; Obliquely threaded fabrics
    • D06N3/0031—Retractable fibres; Shrinking of fibres during manufacture
    • 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
    • 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.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24438—Artificial wood or leather grain surface
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • Y10T428/31728—Next to second layer of polyamide
    • Y10T428/31732—At least one layer is nylon 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
    • Y10T442/629—Composite 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]
    • Y10T442/69—Autogenously bonded nonwoven fabric

Landscapes

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

Abstract

Non-woven fibrous hat bodies comprising at least 5% of composite fibres capable of being crimped and of adhering to adjacent fibres are subjected to at least one treatment to develop the crimp and activate the potentially adhesive characteristic. The body may be formed by winding a strip of such fibrous material around a rotatable hat former in overlapping relation, Fig. 4 not shown, and heating the assembly to cause the layers to shrink by crimping and to adhere to each other. The lines defining the overlapping areas may substantially disappear during heating; otherwise surface finishing of the hat body is necessary. Alternatively the body is formed by depositing fibres on a former, optionally with the application of suction, and then heating them.ALSO:A porous non-woven fibrous assembly comprises at least 5% of crimped composite fibres. (The term "fibres" includes filaments.) These fibres comprise at least two fibre-forming synthetic polymeric components arranged in distinct zones across the cross-section of each fibre, each component is continuous along the length of each fibre, and at least one, but not all, of the components is potentially adhesive and is located so as to form at least a portion of the peripheral surface of each fibre. By "potentially adhesive" is meant capable of being rendered adhesive without affecting any other component. The crimp is derived from different physical properties of the components. The assembly is strengthened and stabilised by entanglement of the fibres due to crimp, and by bonding between the potentially adhesive component and contiguous fibres. This product may be made by forming a fibrous assembly containing at least 5% of the composite fibres, and subjecting it to at least one treatment to develop the latent crimp of the fibres and to activate the potentially adhesive component. The components may lie side by side or the potentially adhesive component may eccentrically enclose the other. The potential crimp of the filaments may be due to an asymmetry of physical properties over the cross section of an artificial fibre forming one component of the filament or to a difference in the physical properties, e.g. different residual shrinkages of the two components. The fibre-forming polymers may be polyamides, polyesters, polyesteramides, polyureas, polyurethanes, proteinaceous polymers, cellulosics, acrylonitrile polymers, polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, polymers of methyl or ethyl acrylates, methacrylates, polystyrene, polysulphonamides, polyolefines, or combinations of these polymers. Preferably both components are chemically similar. Plasticisers, pigments, dyes, moth-or fire-proofing agents, fillers, abrasives, and/or light stabilisers may be included in the filament composition and plasticisers or soft resins may be included to lower the softening point of the adhesive component. The web may be formed by carding, or garnetting and/or cross lapping, by air-laying, by direct deposition of the filaments on stationary or moving surfaces or by wet-laying methods, as e.g. by the use of a Fourdrinier or other paper-making machine. A light woven scrim may be incorporated between two webs and the fibres needled thereto to provide a finished article of greater strength. The webs may also contain non-activatable fibres such as cotton, silk, wool, flax, casein, kapok, asbestos, rock wool, glass fibres, regenerated cellulose and synthetic polymeric fibres, such as polyamides and polyethylene terephthalate. Crimping may be effected by application of heat or suitable chemical treatment, e.g. by treatment with dilute acids or alkalis or swelling agents. The activation of the potentially adhesive component may be effected in the same or in a subsequent treatment. Chemical treatments given as examples include immersion of the web in nitric acid or in a formaldehyde/glycerol solution or treatment with anhydrous liquid ammonia. The porous fabric produced may be embossed, napped, sheared or moulded to provide shaped articles, e.g. thermal insulation for pipes, or items of wearing apparel. Alternatively the fibres may be laid on a suitably shaped form or mould and crimped and activated to provide shaped articles e.g. hat bodies.ALSO:A porous non-woven fibrous assembly comprises at least 5% of crimped composite fibres. (The term "fibres" includes filaments.) These fibres comprise at least two fibre-forming synthetic polymeric components arranged in distinct zones across the cross-section of each fibre, each component is continuous along the length of each fibre, and at least one, but not all, of the components is potentially adhesive and is located so as to form at least a portion of the peripheral surface of each fibre. By "potentially adhesive" is meant capable of being rendered adhesive without affecting any other component. The crimp is derived from different physical properties of the components. The assembly is strengthened and stabilised by entanglement of the fibres due to crimp, and by bonding between the potentially adhesive component and contiguous fibres. This product may be made by forming a fibrous assembly containing at least 5% of the composite fibres, and subjecting it to at least one treatment to develop the latent crimp of the fibres and to activate the potentially adhesive component. The components may lie side by side or the potentially adhesive component may eccentrically enclose the other. The potential crimp of the filaments may be due to an asymmetry of physical properties over the cross section of an artificial fibre forming one component of the filament or to a difference in the physical properties, e.g. different residual shrinkages of the two components. The fibre-forming polymers may be polyamides, polyesters, polyesteramides, polyureas, polyurethanes, proteinaceous polymers, cellulosics, acrylonitrile polymers, polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, polymers of methyl or ethyl acrylates, methacrylates, polystyrene, polysulphonamides, polyolefines, or combinations of these polymers. Preferably both components are chemically similar. Plasticisers, pigments, dyes, moth-or fire-proofing agents, fillers, abrasives, and/or light stabilisers may be included in the filament composition and plasticisers or soft resins may be included to lower the softening point of the adhesive component. The web may be formed by carding, or garnetting and/or cross lapping, by air-laying, by direct deposition of the filaments on stationary or moving surfaces or by wet-laying methods, as e.g. by the use of a Fourdrinier or other paper-making machine. A light woven scrim may be incorporated between two webs and the fibres needled thereto to provide a finished article of greater strength. The webs may also contain non-activatable fibres such as cotton, silk, wool, flax, casein, kapok, asbestos, rock wool, glass fibres, regenerated cellulose and synthetic polymeric fibres, such as polyamides and polyethylene terephthalate. Crimping may be effected by application of heat or suitable chemical treatment, e.g. by treatment with dilute acids or alkalis or swelling agents. The activation of the potentially adhesive component may be effected in the same or in a subsequent treatment. Chemical treatments given as examples include immersion of the web in nitric acid or in a formaldehyde/glycerol solution or treatment with anhydrous liquid ammonia. A coating of plasticized polyvinyl chloride or of polyurethane may be applied to the web.
GB4733/63A 1963-02-05 1963-02-05 Bonded-web nonwoven products Expired GB1073181A (en)

Priority Applications (24)

Application Number Priority Date Filing Date Title
GB4400/64A GB1073183A (en) 1963-02-05 1963-02-05 Leather-like materials
GB4733/63A GB1073181A (en) 1963-02-05 1963-02-05 Bonded-web nonwoven products
DE19641560653 DE1560653B1 (en) 1963-02-05 1964-02-03 Process for producing a bonded fiber fleece
NO151828A NO124547B (en) 1963-02-05 1964-02-03
SE01339/64A SE327688B (en) 1963-02-05 1964-02-04
SE01338/64A SE327687B (en) 1963-02-05 1964-02-04
NL6400932A NL6400932A (en) 1963-02-05 1964-02-05
ES296120A ES296120A1 (en) 1963-02-05 1964-02-05 Procedure for manufacturing a laminate aglutinated and non-tissue product (Machine-translation by Google Translate, not legally binding)
LU45363A LU45363A1 (en) 1963-02-05 1964-02-05
BE643421D BE643421A (en) 1963-02-05 1964-02-05
FR962764A FR1392035A (en) 1963-02-05 1964-02-05 Leather-like material and its manufacturing process
CH135564A CH514013A (en) 1963-02-05 1964-02-05 Process for the production of nonwovens
CH135864A CH448006A (en) 1963-02-05 1964-02-05 Leather-like material and process for its manufacture
DK55264AA DK120531B (en) 1963-02-05 1964-02-05 Process for the production of bonded, nonwoven, fibrous materials.
DK55464AA DK116125B (en) 1963-02-05 1964-02-05 Process for producing a nonwoven, leather-like material.
AT93664A AT296211B (en) 1963-02-05 1964-02-05 Method for producing a nonwoven fabric
FI640220A FI44052C (en) 1963-02-05 1964-02-05 Porous non-woven textile structure
NL6400929A NL6400929A (en) 1963-02-05 1964-02-05
FR962763A FR1392034A (en) 1963-02-05 1964-02-05 Nonwoven product in the form of a bonded strip and its preparation process
BE643420D BE643420A (en) 1963-02-05 1964-02-05
ES0296121A ES296121A1 (en) 1963-02-05 1964-02-05 Bonded non-woven fibrous materials
LU45367D LU45367A1 (en) 1963-02-05 1964-02-05
AT93564A AT291922B (en) 1963-02-05 1964-02-05 Method of making a leather-like non-woven material
US752395A US3595731A (en) 1963-02-05 1968-08-13 Bonded non-woven fibrous materials

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AT (2) AT296211B (en)
BE (2) BE643421A (en)
CH (2) CH448006A (en)
DE (1) DE1560653B1 (en)
DK (2) DK116125B (en)
ES (2) ES296120A1 (en)
FI (1) FI44052C (en)
FR (2) FR1392034A (en)
GB (2) GB1073181A (en)
LU (2) LU45363A1 (en)
NL (2) NL6400932A (en)
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SE (2) SE327688B (en)

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DE2755763A1 (en) * 1976-12-14 1978-06-15 Ici Ltd FUEL TANK FOR VEHICLES
US4477516A (en) * 1982-06-29 1984-10-16 Chisso Corporation Non-woven fabric of hot-melt adhesive composite fibers
EP0155149A2 (en) * 1984-03-09 1985-09-18 Chicopee Water impervious materials
EP0155149A3 (en) * 1984-03-09 1987-03-11 Chicopee Water impervious materials
GB2212709A (en) * 1987-11-28 1989-08-02 Alex Poppleton Clothing garment, wrap or enclosure
US5599420A (en) * 1993-04-06 1997-02-04 Kimberly-Clark Corporation Patterned embossed nonwoven fabric, cloth-like liquid barrier material and method for making same
FR2704243A1 (en) * 1993-04-06 1994-10-28 Kimberly Clark Co Non-woven, embossed, patterned fabric, composite liquid barrier material incorporating the fabric and method of making the same.
WO1994023107A3 (en) * 1993-04-06 1994-11-10 Kimberly Clark Co Patterned embossed nonwoven fabric, cloth-like liquid barrier material and method for making same
US5399174A (en) * 1993-04-06 1995-03-21 Kimberly-Clark Corporation Patterned embossed nonwoven fabric, cloth-like liquid barrier material
AU673450B2 (en) * 1993-04-06 1996-11-07 Kimberly-Clark Worldwide, Inc. Patterned embossed nonwoven fabric, cloth-like liquid barrier material and method for making same
WO1994023107A2 (en) * 1993-04-06 1994-10-13 Kimberly-Clark Corporation Patterned embossed nonwoven fabric, cloth-like liquid barrier material and method for making same
WO1998028477A1 (en) * 1996-12-20 1998-07-02 Moy Isover Limited A non-woven cloth
GB2342662A (en) * 1998-10-14 2000-04-19 Jacob Cowen & Sons Limited Improvements in or relating to oil absorbent materials
WO2014152894A1 (en) * 2013-03-20 2014-09-25 Northwestern University Detection of heavy metals in dried blood
US11203014B2 (en) 2013-03-20 2021-12-21 Northwestern University Methods for collecting biological samples for quantifying heavy metals
US11761948B2 (en) 2013-03-20 2023-09-19 Northwestern University Treated dried blood sample paper for detection of heavy metals in dried blood
ITMI20131114A1 (en) * 2013-07-03 2015-01-04 Politex S A S Di Freudenberg Polit Ex S R L SUPPORT SUBSTRATE FOR BITUMINOUS MEMBRANE AND ITS PREPARATION PROCEDURE.
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FI44052B (en) 1971-04-30
FR1392034A (en) 1965-03-12
AT291922B (en) 1971-08-10
CH448006A (en) 1967-12-15
BE643420A (en) 1964-08-05
CH135564A4 (en) 1967-10-31
SE327688B (en) 1970-08-31
LU45363A1 (en) 1964-04-06
FI44052C (en) 1971-08-10
SE327687B (en) 1970-08-31
BE643421A (en) 1964-08-05
NO124547B (en) 1972-05-02
NL6400932A (en) 1964-08-06
ES296120A1 (en) 1964-07-16
DE1560653B1 (en) 1971-12-16
US3595731A (en) 1971-07-27
DK116125B (en) 1969-12-15
ES296121A1 (en) 1964-08-16
NL6400929A (en) 1964-08-06
DK120531B (en) 1971-06-14
FR1392035A (en) 1965-03-12
AT296211B (en) 1972-02-10
LU45367A1 (en) 1964-04-14
CH514013A (en) 1971-11-30
GB1073183A (en) 1967-06-21

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