GB1122828A - Bonded nonwoven webs of fibers - Google Patents

Bonded nonwoven webs of fibers

Info

Publication number
GB1122828A
GB1122828A GB34538/65A GB3453865A GB1122828A GB 1122828 A GB1122828 A GB 1122828A GB 34538/65 A GB34538/65 A GB 34538/65A GB 3453865 A GB3453865 A GB 3453865A GB 1122828 A GB1122828 A GB 1122828A
Authority
GB
United Kingdom
Prior art keywords
fibres
binder
matrix
sheet
strength
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
GB34538/65A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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
Priority claimed from US390199A external-priority patent/US3322607A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1122828A publication Critical patent/GB1122828A/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
    • 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

Landscapes

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

Abstract

A bonded nonwoven sheet material comprises randomly disposed synthetic organic fibres or filaments interconnected at a multiplicity of points throughout the sheet. Some at least of the fibres (the "matrix" fibres) have a breaking strength of at least 7 grams. The fibre-to-fibre bonds have a strength greater than 0.1 gram and a mean strength of at least 0.9 gram but less than the breaking strength of the matrix fibres but with the bond strength distributed to have a variance of at least 4. The number of bonds is such that the product of the number of bonds per cubic centimetre and the mean bond strength is greater than 5 x 104 g/cm3 and this product divided by the breaking strength of the matrix fibres is less than 9 x 103 per cm3. In a preferred embodiment, the matrix fibres are of highly oriented isotactic polypropylene, polypropylene fibres of lower orientation ("binder" fibres) are also present, and self-bonds exist between matrix fibres, between matrix fibres and binder fibres and beween binder fibres. The matrix and binder fibres may be separate fibres or zones of higher and lower orientation along single filaments. In other embodiments, the fibres are bonded by a combination of two or more resinous binders of different adhesive properties, or by a single resinous binder with varying sizes of bond sites. The binder may be applied from solution or dispersion, as a granular or powdery material or as binder fibres, and may be activated by heat. Other filaments referred to are polyamides, polyethylene terephthalate and polyethylene. The bonded sheet may be treated with a polar lubricant that is inert to the fibres, wets them and remains substantially on the fibre surface, e.g. a polysiloxane, 2-ethylhexyl silicate, 2-ethylhexyl sebacate, dioctyl sebacate, 2-ethylhexyl acetylcitrate, refined coconut oil, potassium oleate, potassium n-octyl phosphates, diethanolamine salts of alkyl hydrogen phosphates and mixed n-octyl beta-hydroxyethyl esters of phosphoric acid. The lubricant can be applied by spraying, padding or roll-coating from an aqueous dispersion, solution in an organic medium, or without diluent. The lubricated sheet may be tufted with conventional carpet yarns and the pile yarns locked in place with a latex adhesive to form a tufted carpets. A secondary backing can be applied and stuck with the same adhesive. Other uses for the unlubricated sheet are as a shoe liner, a coating substrate or for fibre-reinforced film.
GB34538/65A 1964-08-17 1965-08-12 Bonded nonwoven webs of fibers Expired GB1122828A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US39013464A 1964-08-17 1964-08-17
US39002064A 1964-08-17 1964-08-17
US390199A US3322607A (en) 1964-08-17 1964-08-17 Lubricated polypropylene polyethylene self-bonded nonwoven carpet backing

Publications (1)

Publication Number Publication Date
GB1122828A true GB1122828A (en) 1968-08-07

Family

ID=27409920

Family Applications (2)

Application Number Title Priority Date Filing Date
GB41508/67A Expired GB1126990A (en) 1964-08-17 1965-08-12 Non-woven webs of polypropylene fibers
GB34538/65A Expired GB1122828A (en) 1964-08-17 1965-08-12 Bonded nonwoven webs of fibers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB41508/67A Expired GB1126990A (en) 1964-08-17 1965-08-12 Non-woven webs of polypropylene fibers

Country Status (4)

Country Link
BE (1) BE668406A (en)
DE (2) DE1635583C2 (en)
GB (2) GB1126990A (en)
NL (2) NL138974B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE795453A (en) * 1972-02-16 1973-08-16 Du Pont NON-WOVEN LAYERED ISOTACTIC POLYPROPYLENE FABRIC
US4013816A (en) * 1975-11-20 1977-03-22 Draper Products, Inc. Stretchable spun-bonded polyolefin web
DE3009116A1 (en) * 1980-03-10 1981-09-24 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München Random laid needle felts with high tear strengths - produced by treatment with finishing agent before needling

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA583434A (en) * 1959-09-15 Congoleum-Nairn Inc. Backing for smooth surface coverings and process therefor
CA558189A (en) * 1958-06-03 Bonded Fibre Fabric Limited Method of bonding fibre fabrics by impregnation with rubber
US2269479A (en) * 1937-02-05 1942-01-13 Kendall & Co Method of making fabrics
BE461952A (en) * 1939-10-23 1900-01-01
US2277049A (en) * 1939-11-06 1942-03-24 Kendall & Co Textile fabric and method of making same
US2358760A (en) * 1940-08-02 1944-09-19 Kendall & Co Adhesive sheet materials
NL70708C (en) * 1941-03-01
US2465319A (en) * 1941-07-29 1949-03-22 Du Pont Polymeric linear terephthalic esters
US2430868A (en) * 1942-08-03 1947-11-18 American Viscose Corp Process for treating fibrous materials
US2411660A (en) * 1943-05-22 1946-11-26 Fred W Manning Method of making filter cartridges, abrasive sheets, scouring pads, and the like
US2483406A (en) * 1943-11-20 1949-10-04 American Viscose Corp Process and apparatus for producing fibrous materials
US2483405A (en) * 1943-11-20 1949-10-04 American Viscose Corp Fibrous products and textiles produced therewith
US2464301A (en) * 1943-12-18 1949-03-15 American Viscose Corp Textile fibrous product
US2473528A (en) * 1946-08-14 1949-06-21 Minnesota Mining & Mfg Unwoven filamentary web and method of producing same
US2545952A (en) * 1946-10-18 1951-03-20 Fibre Products Lab Inc Unwoven flexible fabric
US2705497A (en) * 1952-04-07 1955-04-05 Personal Products Corp Absorbent dressing and method of making same
GB695805A (en) * 1950-08-15 1953-08-19 British Cellophane Ltd Improvements in and relating to bonded fibre fabrics
US2698574A (en) * 1951-07-11 1955-01-04 Visking Corp Apparatus for bonding nonwoven webs
CA526513A (en) * 1952-04-07 1956-06-19 Chicopee Manufacturing Corporation Fabric and method of producing same
BE512775A (en) * 1952-06-18
DE1065363B (en) * 1954-04-01 1959-09-17 Franklin Wells Shoemaker, Princeton, N. J. (V. St. A.) Method and apparatus for making a nonwoven fabric
US2998048A (en) * 1954-12-21 1961-08-29 Walsco Company Method and apparatus for producing fibrous structures
GB808287A (en) * 1954-12-31 1959-02-04 Du Pont Improvements in or relating to fibrous pellicles
US2836576A (en) * 1954-12-31 1958-05-27 Du Pont Fibrous pellicle comprising oriented ethylene terephthalate polymer and amorphous ethylene terephthalate binder and process for making same
US2872356A (en) * 1955-06-02 1959-02-03 Dow Chemical Co Lubrication of synthetic cellulose fibers
US3047444A (en) * 1955-07-15 1962-07-31 Kimberly Clark Co Non-woven fabric and method of making the same
BE550336A (en) * 1955-09-02
BE564771A (en) * 1957-02-13
US2900291A (en) * 1957-03-18 1959-08-18 Richard A O'connell Production of non-woven fabrics
BE566145A (en) * 1957-03-27
US3049466A (en) * 1957-04-23 1962-08-14 Reeves Bros Inc Method of bonding fibrous structures made from fibers or filaments of polyolefine polymers
US2913803A (en) * 1957-10-22 1959-11-24 Artloom Carpet Company Inc Pile faced fabric
BE578205A (en) * 1958-04-29
US2975474A (en) * 1958-06-11 1961-03-21 Du Pont Process and apparatus for preparing novelty yarns
GB930139A (en) * 1958-07-17
NL259015A (en) * 1959-12-15
UST859640I4 (en) * 1959-12-15 1900-01-01
NL272893A (en) * 1960-12-22
CH373728A (en) * 1961-05-23 1963-08-30 Freudenberg Carl Fa Process for the production of nonwovens by thermoplastic bonding
BE625229A (en) * 1961-12-01
FR1340556A (en) * 1961-12-05 1963-10-18 Eastman Kodak Co Non-woven textile complex and manufacturing process
DD53043A (en) * 1963-03-01 1900-01-01
NL295177A (en) * 1963-11-29

Also Published As

Publication number Publication date
NL6510366A (en) 1966-02-18
BE668406A (en) 1965-12-16
DE1635583C2 (en) 1982-06-09
NL138974B (en) 1973-05-15
DE1635583B1 (en) 1970-10-22
GB1126990A (en) 1968-09-11
DE1635582B1 (en) 1970-10-29
NL6510732A (en) 1966-02-18

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