FI59820C - Foerfarande foer framstaellning av en poroes skivprodukt - Google Patents

Foerfarande foer framstaellning av en poroes skivprodukt Download PDF

Info

Publication number: FI59820C
Authority: FI; Finland
Prior art keywords: fibers; spinning liquid; spinning; liquid; ptfe
Prior art date: 1974-09-26

Application number

FI752692A

Other languages

English (en)

Finnish (fi)

Other versions

FI59820B (fi

FI752692A (nl

Inventor

Graham Ernest Martin

Ian Derek Cockshott

Kevin Thomas Mcaloon

Original Assignee

Ici 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.)

1974-09-26

Filing date

1975-09-26

Publication date

1981-10-12

1975-09-26 Application filed by Ici Ltd filed Critical Ici Ltd

1976-03-27 Publication of FI752692A publication Critical patent/FI752692A/fi

1981-06-30 Publication of FI59820B publication Critical patent/FI59820B/fi

1981-10-12 Application granted granted Critical

1981-10-12 Publication of FI59820C publication Critical patent/FI59820C/fi

Links

239000000835 fiber Substances 0.000 claims description 77
238000009987 spinning Methods 0.000 claims description 63
239000007788 liquid Substances 0.000 claims description 60
239000004810 polytetrafluoroethylene Substances 0.000 claims description 43
229920001343 polytetrafluoroethylene Polymers 0.000 claims description 43
238000000034 method Methods 0.000 claims description 39
239000000654 additive Substances 0.000 claims description 22
230000000996 additive effect Effects 0.000 claims description 21
239000006185 dispersion Substances 0.000 claims description 20
238000009736 wetting Methods 0.000 claims description 17
229920000642 polymer Polymers 0.000 claims description 12
229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 11
-1 polytetrafluoroethylene Polymers 0.000 claims description 9
229920002313 fluoropolymer Polymers 0.000 claims description 7
239000003792 electrolyte Substances 0.000 claims description 6
239000004811 fluoropolymer Substances 0.000 claims description 6
238000004519 manufacturing process Methods 0.000 claims description 6
239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 5
239000001267 polyvinylpyrrolidone Substances 0.000 claims description 5
235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 5
239000007858 starting material Substances 0.000 claims description 5
150000003839 salts Chemical class 0.000 claims description 4
230000005684 electric field Effects 0.000 claims description 3
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
239000011575 calcium Substances 0.000 claims description 2
229910052791 calcium Inorganic materials 0.000 claims description 2
239000003085 diluting agent Substances 0.000 claims description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
239000011777 magnesium Substances 0.000 claims description 2
229910052749 magnesium Inorganic materials 0.000 claims description 2
239000010936 titanium Substances 0.000 claims description 2
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
229910052804 chromium Inorganic materials 0.000 claims 1
239000011651 chromium Substances 0.000 claims 1
229910052719 titanium Inorganic materials 0.000 claims 1
229910052726 zirconium Inorganic materials 0.000 claims 1
239000000047 product Substances 0.000 description 46
210000004027 cell Anatomy 0.000 description 19
239000000126 substance Substances 0.000 description 19
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 14
230000006835 compression Effects 0.000 description 14
238000007906 compression Methods 0.000 description 14
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 13
239000012530 fluid Substances 0.000 description 13
239000000203 mixture Substances 0.000 description 12
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
230000015572 biosynthetic process Effects 0.000 description 11
238000005245 sintering Methods 0.000 description 11
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 10
229910010413 TiO 2 Inorganic materials 0.000 description 9
238000011282 treatment Methods 0.000 description 9
DUFCMRCMPHIFTR-UHFFFAOYSA-N 5-(dimethylsulfamoyl)-2-methylfuran-3-carboxylic acid Chemical compound CN(C)S(=O)(=O)C1=CC(C(O)=O)=C(C)O1 DUFCMRCMPHIFTR-UHFFFAOYSA-N 0.000 description 8
239000000843 powder Substances 0.000 description 8
239000000725 suspension Substances 0.000 description 8
238000012360 testing method Methods 0.000 description 8
239000000463 material Substances 0.000 description 7
239000002245 particle Substances 0.000 description 7
239000011148 porous material Substances 0.000 description 7
239000000243 solution Substances 0.000 description 7
238000010438 heat treatment Methods 0.000 description 6
239000007787 solid Substances 0.000 description 6
239000012467 final product Substances 0.000 description 5
229910052751 metal Inorganic materials 0.000 description 5
239000002184 metal Substances 0.000 description 5
238000000465 moulding Methods 0.000 description 5
238000003825 pressing Methods 0.000 description 5
239000004408 titanium dioxide Substances 0.000 description 5
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
230000000694 effects Effects 0.000 description 4
238000010041 electrostatic spinning Methods 0.000 description 4
238000002474 experimental method Methods 0.000 description 4
238000007380 fibre production Methods 0.000 description 4
230000035699 permeability Effects 0.000 description 4
239000004094 surface-active agent Substances 0.000 description 4
239000000080 wetting agent Substances 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 3
238000007664 blowing Methods 0.000 description 3
239000012267 brine Substances 0.000 description 3
229920001577 copolymer Polymers 0.000 description 3
238000005868 electrolysis reaction Methods 0.000 description 3
230000005484 gravity Effects 0.000 description 3
RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
238000002360 preparation method Methods 0.000 description 3
238000007493 shaping process Methods 0.000 description 3
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
229910001220 stainless steel Inorganic materials 0.000 description 3
GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 3
229910001928 zirconium oxide Inorganic materials 0.000 description 3
101000606535 Homo sapiens Receptor-type tyrosine-protein phosphatase epsilon Proteins 0.000 description 2
DTAFLBZLAZYRDX-UHFFFAOYSA-N OOOOOO Chemical compound OOOOOO DTAFLBZLAZYRDX-UHFFFAOYSA-N 0.000 description 2
102100039665 Receptor-type tyrosine-protein phosphatase epsilon Human genes 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
239000010425 asbestos Substances 0.000 description 2
238000009835 boiling Methods 0.000 description 2
YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 2
230000001627 detrimental effect Effects 0.000 description 2
230000005686 electrostatic field Effects 0.000 description 2
238000007654 immersion Methods 0.000 description 2
229920002113 octoxynol Polymers 0.000 description 2
229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
238000006116 polymerization reaction Methods 0.000 description 2
239000004926 polymethyl methacrylate Substances 0.000 description 2
239000001103 potassium chloride Substances 0.000 description 2
235000011164 potassium chloride Nutrition 0.000 description 2
229910052895 riebeckite Inorganic materials 0.000 description 2
238000002791 soaking Methods 0.000 description 2
OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
239000004593 Epoxy Substances 0.000 description 1
239000002033 PVDF binder Substances 0.000 description 1
229920001774 Perfluoroether Polymers 0.000 description 1
239000004793 Polystyrene Substances 0.000 description 1
229920002125 Sokalan® Polymers 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
229920004933 Terylene® Polymers 0.000 description 1
WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
229920006221 acetate fiber Polymers 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
230000001476 alcoholic effect Effects 0.000 description 1
238000000137 annealing Methods 0.000 description 1
210000003850 cellular structure Anatomy 0.000 description 1
239000004568 cement Substances 0.000 description 1
229910000423 chromium oxide Inorganic materials 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
239000006071 cream Substances 0.000 description 1
238000004132 cross linking Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000000502 dialysis Methods 0.000 description 1
238000002845 discoloration Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
238000005421 electrostatic potential Methods 0.000 description 1
239000003995 emulsifying agent Substances 0.000 description 1
125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
229920000295 expanded polytetrafluoroethylene Polymers 0.000 description 1
238000001914 filtration Methods 0.000 description 1
238000009432 framing Methods 0.000 description 1
239000000446 fuel Substances 0.000 description 1
230000002706 hydrostatic effect Effects 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
229910010272 inorganic material Inorganic materials 0.000 description 1
239000011147 inorganic material Substances 0.000 description 1
229910052809 inorganic oxide Inorganic materials 0.000 description 1
229910017053 inorganic salt Inorganic materials 0.000 description 1
239000012212 insulator Substances 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
239000006194 liquid suspension Substances 0.000 description 1
239000012528 membrane Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000002156 mixing Methods 0.000 description 1
230000003020 moisturizing effect Effects 0.000 description 1
239000000178 monomer Substances 0.000 description 1
239000012811 non-conductive material Substances 0.000 description 1
239000004745 nonwoven fabric Substances 0.000 description 1
239000013618 particulate matter Substances 0.000 description 1
229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 1
229920002401 polyacrylamide Polymers 0.000 description 1
239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
239000005020 polyethylene terephthalate Substances 0.000 description 1
229920005553 polystyrene-acrylate Polymers 0.000 description 1
229920002635 polyurethane Polymers 0.000 description 1
239000004814 polyurethane Substances 0.000 description 1
229920002620 polyvinyl fluoride Polymers 0.000 description 1
229920002981 polyvinylidene fluoride Polymers 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000005855 radiation Effects 0.000 description 1
239000011819 refractory material Substances 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
239000001488 sodium phosphate Substances 0.000 description 1
229910000162 sodium phosphate Inorganic materials 0.000 description 1
239000011343 solid material Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
238000005507 spraying Methods 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
230000000087 stabilizing effect Effects 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
229920003169 water-soluble polymer Polymers 0.000 description 1
230000004580 weight loss Effects 0.000 description 1
239000010457 zeolite Substances 0.000 description 1
LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical class [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1

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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/50—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyalcohols, polyacetals or polyketals
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
- D01D5/0038—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion the fibre formed by solvent evaporation, i.e. dry electro-spinning
- 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
- 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
- D04H1/4282—Addition polymers
- D04H1/4291—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
- D04H1/42—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
- D04H1/4282—Addition polymers
- D04H1/4318—Fluorine 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
- D04H1/728—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 by electro-spinning
- 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
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of 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
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
- 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
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/75—Processes of uniting two or more fibers
- 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

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Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Chemical & Material Sciences (AREA)
Mechanical Engineering (AREA)
General Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Nonwoven Fabrics (AREA)
Artificial Filaments (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Manufacture Of Macromolecular Shaped Articles (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Cell Separators (AREA)

FI752692A 1974-09-26 1975-09-26 Foerfarande foer framstaellning av en poroes skivprodukt FI59820C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB4187374		1974-09-26
GB41873/74A GB1522605A (en)	1974-09-26	1974-09-26	Preparation of fibrous sheet product

Publications (3)

Publication Number	Publication Date
FI752692A FI752692A (nl)	1976-03-27
FI59820B FI59820B (fi)	1981-06-30
FI59820C true FI59820C (fi)	1981-10-12

Family

ID=10421758

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI752692A FI59820C (fi)	1974-09-26	1975-09-26	Foerfarande foer framstaellning av en poroes skivprodukt

Country Status (16)

Country	Link
US (1)	US4127706A (nl)
JP (1)	JPS5912781B2 (nl)
AR (1)	AR206236A1 (nl)
AT (1)	AT349600B (nl)
BE (1)	BE833912A (nl)
CA (1)	CA1065112A (nl)
CH (1)	CH576533A5 (nl)
DE (1)	DE2543149A1 (nl)
ES (1)	ES441318A1 (nl)
FI (1)	FI59820C (nl)
FR (1)	FR2324781A1 (nl)
GB (1)	GB1522605A (nl)
NL (1)	NL185530C (nl)
NO (1)	NO141946C (nl)
SE (1)	SE7510774L (nl)
ZA (1)	ZA756118B (nl)

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US3875270A (en) *	1973-06-25	1975-04-01	Ethyl Corp	Process of preparing battery separators
US3933557A (en) *	1973-08-31	1976-01-20	Pall Corporation	Continuous production of nonwoven webs from thermoplastic fibers and products
GB1527592A (en) *	1974-08-05	1978-10-04	Ici Ltd	Wound dressing

1974
- 1974-09-26 GB GB41873/74A patent/GB1522605A/en not_active Expired
1975
- 1975-01-01 AR AR260582A patent/AR206236A1/es active
- 1975-09-25 CA CA236,318A patent/CA1065112A/en not_active Expired
- 1975-09-25 SE SE7510774A patent/SE7510774L/xx unknown
- 1975-09-25 ZA ZA00756118A patent/ZA756118B/xx unknown
- 1975-09-25 NL NLAANVRAGE7511292,A patent/NL185530C/nl not_active IP Right Cessation
- 1975-09-26 ES ES441318A patent/ES441318A1/es not_active Expired
- 1975-09-26 FR FR7529676A patent/FR2324781A1/fr active Granted
- 1975-09-26 JP JP50116286A patent/JPS5912781B2/ja not_active Expired
- 1975-09-26 NO NO75753272A patent/NO141946C/no unknown
- 1975-09-26 DE DE19752543149 patent/DE2543149A1/de not_active Ceased
- 1975-09-26 CH CH1250175A patent/CH576533A5/xx not_active IP Right Cessation
- 1975-09-26 FI FI752692A patent/FI59820C/fi not_active IP Right Cessation
- 1975-09-26 BE BE160456A patent/BE833912A/xx not_active IP Right Cessation
- 1975-09-26 AT AT739875A patent/AT349600B/de not_active IP Right Cessation
- 1975-09-29 US US05/617,529 patent/US4127706A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB1522605A (en)	1978-08-23
FR2324781B1 (nl)	1979-08-03
NL185530B (nl)	1989-12-01
FI59820B (fi)	1981-06-30
ATA739875A (de)	1978-09-15
NL7511292A (nl)	1976-03-30
CH576533A5 (nl)	1976-06-15
NO141946C (no)	1980-06-04
JPS5160773A (nl)	1976-05-26
FI752692A (nl)	1976-03-27
JPS5912781B2 (ja)	1984-03-26
ES441318A1 (es)	1977-03-16
SE7510774L (sv)	1976-03-29
ZA756118B (en)	1976-10-27
AR206236A1 (es)	1976-07-07
NL185530C (nl)	1990-05-01
NO753272L (nl)	1976-03-29
AT349600B (de)	1979-04-10
BE833912A (fr)	1976-03-26
FR2324781A1 (fr)	1977-04-15
US4127706A (en)	1978-11-28
CA1065112A (en)	1979-10-30
DE2543149A1 (de)	1976-04-15
NO141946B (no)	1980-02-25

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: IMPERIAL CHEMICAL INDUSTRIES LIMITED

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