GB880703A - Improvements in non-woven fabrics comprising bonded fibres - Google Patents

Improvements in non-woven fabrics comprising bonded fibres

Info

Publication number
GB880703A
GB880703A GB21152/58A GB2115258A GB880703A GB 880703 A GB880703 A GB 880703A GB 21152/58 A GB21152/58 A GB 21152/58A GB 2115258 A GB2115258 A GB 2115258A GB 880703 A GB880703 A GB 880703A
Authority
GB
United Kingdom
Prior art keywords
fibres
layer
coalescence
crystallinity
bath
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
GB21152/58A
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.)
LIPACO SA
Original Assignee
LIPACO SA
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 LIPACO SA filed Critical LIPACO SA
Publication of GB880703A publication Critical patent/GB880703A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Artificial Filaments (AREA)

Abstract

880,703. Agglutinated fibrous fabrics. LIPACO S.A. July 2, 1958 [July 3, 1957; Oct. 17, 1957], No. 21152/58. Class 140. A non-woven fabric comprises a layer of regenerated cellulose fibres, the cellulose of said fibres having a degree of crystallinity of at least 50%, in which a substantial proportion of said fibres is bonded one to another over short lengths by coalescence. Coalescence is effected by treatment with aqueous caustic soda solution. Fibres of the requisite degree of crystallinity may be made by spinning viscose into a spinning bath having low acid and low salt concentration and which is free from zinc. As shown (Fig. 1), a layer of regenerated cellulose fibres 1, having a crystallinity of over 50% is laid on a porous moving belt 2, and passed between pairs of rollers 3, 3<SP>1</SP>; 4, 4<SP>1</SP> and 5, 5<SP>1</SP>. Aqueous caustic soda solution is run from tank 6 through pipe 7 and nozzles 8, 9 and 10 on to the layer of fibres. Excess caustic soda solution is collected in basin 11 and returned to tank 6 through pipe 12. The fibrous layer then passes between squeeze rolls 13, 13<SP>1</SP>, through bath 14 containing a solution of acetic acid for neutralization, bath 15 containing neutral wash water and drier 16. Fig. 2 shows a cross-section of non-woven fabric according to the invention, wherein the fibres retain their identity and there are areas (as at 17) of coalescence with adjacent fibres. Specification 730,226 is referred to.
GB21152/58A 1957-07-03 1958-07-02 Improvements in non-woven fabrics comprising bonded fibres Expired GB880703A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US880703XA 1957-07-03 1957-07-03

Publications (1)

Publication Number Publication Date
GB880703A true GB880703A (en) 1961-10-25

Family

ID=22209220

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21152/58A Expired GB880703A (en) 1957-07-03 1958-07-02 Improvements in non-woven fabrics comprising bonded fibres

Country Status (2)

Country Link
FR (1) FR1207669A (en)
GB (1) GB880703A (en)

Also Published As

Publication number Publication date
FR1207669A (en) 1960-02-18

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