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DE1107183B - Process for the production of nonwovens resistant to chlorine-containing bleach - Google Patents

Process for the production of nonwovens resistant to chlorine-containing bleach

Info

Publication number
DE1107183B
DE1107183B DEF27138A DEF0027138A DE1107183B DE 1107183 B DE1107183 B DE 1107183B DE F27138 A DEF27138 A DE F27138A DE F0027138 A DEF0027138 A DE F0027138A DE 1107183 B DE1107183 B DE 1107183B
Authority
DE
Germany
Prior art keywords
nonwovens
resistant
chlorine
cooh
polyvinyl alcohol
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
DEF27138A
Other languages
German (de)
Inventor
Dr Carl-Ludwig Nottebohm
Dr Robert Schabert
Wilhelm Buechsenstein
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 to BE585042D priority Critical patent/BE585042A/xx
Priority to NL245669D priority patent/NL245669A/xx
Priority to GB15709/55A priority patent/GB809003A/en
Application filed by Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to DEF27138A priority patent/DE1107183B/en
Priority to CH8076159A priority patent/CH367794A/en
Priority to US854616A priority patent/US3116163A/en
Priority to GB39606/59A priority patent/GB879003A/en
Priority to FR811284A priority patent/FR1245087A/en
Publication of DE1107183B publication Critical patent/DE1107183B/en
Priority to SE1115559A priority patent/SE220090C1/sv
Pending 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
    • 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
    • D04H1/4309—Polyvinyl alcohol
    • 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
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/31—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated nitriles
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Description

Die Herstellung von nicht gewebten oder nicht gewirkten Faservliesen ist bekannt. Für die Haltbarkeit bzw. Festigkeit derartiger Vliese ist es wesentlich, daß die einzelnen Fasern genügend aneinander haften, was durch verschiedene Maßnahmen erzielbar ist. So ist z. B. in der deutschen Auslegeschrift 1 088 016 vorgeschlagen, quellbare Fasern auf Basis von z. B. Polyvinylalkohol zusammen mit nicht quellbaren Fasern zu einem Vlies zu verarbeiten, mit Wasser zu tränken und unter Druck bei erhöhter Temperatur zu trocknen. Dabei dienen die gequollenen bzw. angelösten PoIyvinylalkoholfasern als Verhaftungsmittel für die anderen Fasern.The production of non-woven or non-knitted fiber webs is known. For durability or strength of such nonwovens, it is essential that the individual fibers adhere sufficiently to one another, which can be achieved through various measures. So is z. B. proposed in German Auslegeschrift 1 088 016, swellable fibers based on z. B. polyvinyl alcohol together with non-swellable fibers to be processed into a fleece, soaked in water and dried under pressure at an elevated temperature. The swollen or loosened polyvinyl alcohol fibers are used here as an attachment for the other fibers.

Die so hergestellten Flächengebilde sind jedoch nicht koch- und waschecht, da sich die Polyvinylalkoholfasern in heißem Wasser auflösen. Um diesem Nachteil abzuhelfen, wurde vorgeschlagen, die PoIyvinylalkoholfasern ganz oder teilweise zu acetalisieren oder — entsprechend den Angaben der deutschen Auslegeschrift 1 094 227 — die fertigen, Polyvinylalkoholfasern enthaltenden Vliesstoffe nach ihrer Herstellung mit wasserverträglichen, vorteilhaft sich in noch löslichem Zustand befindlichen Kunstharzen (Aldehyd- und bzw. oder Ketonkunstharze) zu imprägnieren und das imprägnierte Flächengebilde einer solchen Temperatur auszusetzen, bei der eine Weiterkondensation der Imprägnierharze stattfindet.The fabrics produced in this way, however, are not boil-proof and washable, since the polyvinyl alcohol fibers are Dissolve in hot water. In order to remedy this disadvantage, it has been proposed to use the polyvinyl alcohol fibers to acetalize completely or partially or - according to the information from the German Auslegeschrift 1 094 227 - the finished nonwovens containing polyvinyl alcohol fibers according to their Manufactured with water-compatible synthetic resins that are advantageously still in a soluble state (Aldehyde and / or ketone synthetic resins) to be impregnated and the impregnated sheet expose to such a temperature at which further condensation of the impregnation resins takes place.

Die nach diesem Vorschlag hergestellten ungewebten und ungewirkten Fläch'engebilde sind zwar koch- und waschecht, sie halten jedoch bei Behandlung mit chlorhaltigen Bleichmitteln Chlor zurück und erleiden dadurch Festigkeitseinbußen.The non-woven and non-woven sheet-like structures produced according to this proposal are boil and washable, however, when treated with bleaching agents containing chlorine, they retain chlorine and suffer thereby loss of strength.

Es wurde nun gefunden, daß man koch- und waschechte sowie gegen Chlorbleichmittel beständige, Polyvinylalkoholfasern enthaltende Flächengebilde erhält, wenn man ein auf beliebige Weise hergestelltes, Polyvinylalkoholfasern enthaltendes Faservlies nachträglich mit der Lösung eines Kunstharzgemisches oder eines Mischpolymerisates imprägniert, welches einerseits als Aminoplastbildner Aldehyd- und bzw. oder Ketonharze und andererseits solche Polymerisate enthält, die noch z. B. reaktionsfähige Gruppen, wie — CN — , — COOH — oder NH2-Gruppen, enthalten. Übliche Härtungsmittel für die Aminoplastbildner sind der Imprägnierflotte zuzusetzen.It has now been found that boil-proof and washable as well as chlorine bleach-resistant sheet-like structures containing polyvinyl alcohol fibers are obtained if a nonwoven fabric containing polyvinyl alcohol fibers is subsequently impregnated with a solution of a synthetic resin mixture or a copolymer which, on the one hand, acts as an aminoplast former, aldehyde and or or contains ketone resins and, on the other hand, those polymers that are still z. B. reactive groups such as - CN -, - COOH - or NH 2 groups contain. Customary hardeners for the aminoplast formers are to be added to the impregnation liquor.

Als Aminoplastbildner kommen Aldehyd- und bzw. oder Ketonharze, ζ. B. Di-methylol-thioharnstoff, Di-methylol-dioxy-äthylenharnstoff oder Trimethylolmelamin zur Anwendung. Als — CN—, — COOH- oder NH2-haltige Polymerisate sind Polymerisate von Methacrylsäure, Acrylsäure, Acrylnitril oder Acrylamid geeignet.Aldehyde resins and / or ketone resins are used as aminoplast formers, ζ. B. dimethylol-thiourea, dimethylol-dioxy-ethyleneurea or trimethylolmelamine are used. Polymers of methacrylic acid, acrylic acid, acrylonitrile or acrylamide are suitable as - CN-, - COOH- or NH 2 -containing polymers.

Verfahren zur Herstellung von gegenProcess for the production of against

chlorhaltige Bleichmittel beständigenchlorine-based bleach resistant

FaservliesenNonwovens

Anmelder:Applicant:

Fa. Carl Freudenberg,
Weinheim (a. d. Bergstraße)Carl Freudenberg,
Weinheim (ad Bergstrasse)

Dr. Carl-Ludwig Nottebohm,
Dr. Robert Schabert, Weinheim (a. d. Bergstraße),Dr. Carl-Ludwig Nottebohm,
Dr. Robert Schabert, Weinheim (ad Bergstrasse),

und Wilhelm Büchsenstein,and Wilhelm Büchsenstein,

Schriesheim (a. d. Bergstraße),Schriesheim (a. D. Bergstrasse),

sind als Erfinder genannt wordenhave been named as inventors

Zur Durchführung des erfindungsgemäßen Verfahrens verteilt man die genannten Komponenten des as Harzgemisches in einem Lösungsmittel, wie Wasser oder Alkohol, wobei das Lösungsmittel im Überschuß vorliegen soll. Mit dieser Lösung tränkt man die Polyvinylalkoholfasern enthaltenden Vliese, trocknet und vergütet bei erhöhter Temperatur.To carry out the process according to the invention, the components mentioned are distributed as resin mixture in a solvent such as water or alcohol, with the solvent in excess should be present. The nonwovens containing polyvinyl alcohol fibers are impregnated with this solution and dried and tempered at elevated temperature.

Beispiel 1
Ein Vlies aus einem Gemisch vonexample 1
A fleece made from a mixture of

90 % Viskose-Zellwolle und
10% wasserlöslichen Polyvinylalkoholfasern
mit einem m2-Gewicht von 40 g90% viscose rayon and
10% water-soluble polyvinyl alcohol fibers
with a m 2 weight of 40 g

wird — wie in der deutschen Auslegeschrift 1 088 016 beschrieben — in einem Foulard mit Wasser getränkt, auf 200% Feuchtigkeitsgehalt abgequetscht, in einem Filzkalander getrocknet und gleichzeitig verfestigt.is - as described in the German Auslegeschrift 1 088 016 - soaked in a foulard with water, squeezed to 200% moisture content, dried in a felt calender and solidified at the same time.

Das verfestigte Vlies wird im Foulard mit einer Flotte getränkt, die 97,9% Wasser, 0,1% Ammonoxalat, 1,0% eines Mischpolymerisates enthält, das aus 30 Gewichtsteilen Acrylnitril (—CN), 15 Gewichtsteilen Methacrylsäure (—COOH) und 55 Gewichtsteilen Butadien sowie 1% Dimethylolharnstoff besteht. Hierauf wird auf 100% Feuchtigkeitsgehalt abgequetscht, auf einem Walzentrockner bei 115°C getrocknet und gegebenenfalls noch eine Hitzebehandlung von 1 1I2 Minuten bei 150° C angeschlossen, um die kondensierbaren Harzanteile in den unlöslichen Endzustand überzuführen.The solidified fleece is soaked in a padder with a liquor which contains 97.9% water, 0.1% ammonoxalate, 1.0% of a copolymer composed of 30 parts by weight of acrylonitrile (—CN), 15 parts by weight of methacrylic acid (—COOH) and 55 parts by weight of butadiene and 1% dimethylolurea. This will be squeezed to 100% moisture content, dried on a drum drier at 115 ° C and optionally a heat treatment of 1 1 I 2 minutes at 150 ° C is connected, in order to transfer the condensable components in the resin insoluble final state.

109 608/401109 608/401

Beispiel 2Example 2

Ein Faservlies nach Beispiel 1 wird nachimprägniert mit einer Flotte folgender Zusammensetzung: 96,5% Wasser, 1,5% Trimethylolmelamin und 2% eines Mischpolymerisates, bestehend aus 50 Gewichtsteilen Methacrylsäurebutylester, 15 Gewichtsteilen Methacrylsäuremethylester und 35 Gewichtsteilen Methacrylsäure (—CO O H).A fiber fleece according to Example 1 is re-impregnated with a liquor of the following composition: 96.5% Water, 1.5% trimethylolmelamine and 2% of a copolymer, consisting of 50 parts by weight Butyl methacrylate, 15 parts by weight of methyl methacrylate and 35 parts by weight of methacrylic acid (-CO O H).

Die Weiterbehandlung wird gemäß Beispiel 1 durchgeführt. The further treatment is carried out according to Example 1.

Beispiel 3Example 3

Ein nach Beispiel 1 hergestelltes und vorverfestigtes Vlies wird mit einer Flotte von folgender Zusammensetzung getränkt: 97,9% Methylalkohol, 0,1% Zinkchlorid, 1,0% Dimethylolthioharnstoff, 1,0% Acrylsäure (— COOH).A pre-consolidated fleece produced according to Example 1 is made with a liquor of the following composition soaked: 97.9% methyl alcohol, 0.1% zinc chloride, 1.0% dimethylolthiourea, 1.0% acrylic acid (- COOH).

Die Weiterbehandlung erfolgt gemäß Beispiel 1.The further treatment takes place according to example 1.

Beispiel 4Example 4

Ein nach Beispiel 1 hergestelltes und vorverfestigtes Vlies wird mit einer Flotte von folgender Zusammensetzung getränkt: 98% Wasser, 1% Dimethyloldioxyäthylenharnstoff, 1 % eines Mischpolymerisates von der Zusammensetzung: 70% Methacrylsäurebutylester, 20% Acrylamid (NH2), 10% Methacrylsäuremethylester (— CH2OH). Ein Teil des Acrylamide ist dabei methyliert.A pre-bonded fleece produced according to Example 1 is impregnated with a liquor with the following composition: 98% water, 1% dimethyloldioxyethyleneurea, 1% of a copolymer with the composition: 70% butyl methacrylate, 20% acrylamide (NH 2 ), 10% methyl methacrylate (- CH 2 OH). Some of the acrylamide is methylated.

Die Weiterbehandlung erfolgt gemäß Beispiel 1.The further treatment takes place according to example 1.

Beispiel 5Example 5

Ein gemäß Beispiel 1 hergestelltes und vorverfestigtes Fasergebilde wird mit einer Flotte von folgender Zusammensetzung getränkt: 95,7% Wasser, 0,3% Aluminiumchlorid, 2% Trimethylolmelamin, 2% eines Mischpolymerisates, bestehend aus 50 Gewichtsteilen Methacrylsäurebutylester und 50 Gewichtsteilen Acrylnitril (— CN).A fiber structure produced according to Example 1 and pre-consolidated is with a liquor of impregnated with the following composition: 95.7% water, 0.3% aluminum chloride, 2% trimethylolmelamine, 2% of a copolymer consisting of 50 parts by weight of butyl methacrylate and 50 parts by weight Acrylonitrile (- CN).

Die Weiterbehandlung erfolgt gemäß Beispiel 1.The further treatment takes place according to example 1.

Claims (2)

PATENTANSPRÜCHE:PATENT CLAIMS: ίο 1. Verfahren zur Herstellung von koch- undίο 1. Process for the preparation of cooking and waschfesten, gegen Chlorbleichmittel beständigen Faservliesen mit einem Gehalt an Polyvinylalkohol, dadurch gekennzeichnet, daß man derartige Vliese nachimprägniert mit der Lösung eines Kunstharzgemisches oder Mischpolymerisates mit einem Gehalt an Aminoplastbildnern aus Aldehyd- und bzw. oder Ketonharzen und einem reaktionsfähige Gruppen, wie —CN, — COOH oder NH2, enthaltenden Polymerisat, worauf getrocknet und so hoch erwärmt wird, daß die Bestandteile der Imprägniermischung in unlösliche Polymerisate übergeführt werden.Washable nonwovens resistant to chlorine bleach and containing polyvinyl alcohol, characterized in that such nonwovens are re-impregnated with a solution of a synthetic resin mixture or copolymer containing aminoplast formers from aldehyde and / or ketone resins and a reactive group such as —CN, - Polymer containing COOH or NH 2 , which is then dried and heated to such an extent that the constituents of the impregnation mixture are converted into insoluble polymers. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als Polymerisate solche aus die Gruppen —CN, -COOH oder NH2 enthaltenden Verbindungen, wie Acrylsäure, Methacrylsäure, Acrylnitril, Acrylamid, verwendet werden.2. The method according to claim 1, characterized in that those from the groups —CN, —COOH or NH 2 -containing compounds, such as acrylic acid, methacrylic acid, acrylonitrile, acrylamide, are used as polymers. In Betracht gezogene Druckschriften:Considered publications: Deutsche Patentschrift Nr. 819 396;
deutsche Auslegeschrift B 21 629 VII / 8h (bekanntgemacht am 19. 7. 1956);
USA.-Patentschrift Nr. 2 673 819.German Patent No. 819 396;
German exposition B 21 629 VII / 8h (published on July 19, 1956);
U.S. Patent No. 2,673,819. © 109' 608/401 5.61© 109 '608/401 5.61
DEF27138A 1958-11-28 1958-11-28 Process for the production of nonwovens resistant to chlorine-containing bleach Pending DE1107183B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BE585042D BE585042A (en) 1958-11-28
NL245669D NL245669A (en) 1958-11-28
GB15709/55A GB809003A (en) 1958-11-28 1955-06-01 Improvements in impedance testing devices for electrical distribution networks
DEF27138A DE1107183B (en) 1958-11-28 1958-11-28 Process for the production of nonwovens resistant to chlorine-containing bleach
CH8076159A CH367794A (en) 1958-11-28 1959-11-18 Process for the production of boil-, wash- and chlorine-resistant nonwovens
US854616A US3116163A (en) 1958-11-28 1959-11-23 Rendering polyvinyl alcohol fibers containing structure chlorine-fast
GB39606/59A GB879003A (en) 1958-11-28 1959-11-23 Method of making chlorine-fast sheet structures
FR811284A FR1245087A (en) 1958-11-28 1959-11-26 Process for the production of chlorine resistant nonwoven fiber articles
SE1115559A SE220090C1 (en) 1958-11-28 1967-07-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF27138A DE1107183B (en) 1958-11-28 1958-11-28 Process for the production of nonwovens resistant to chlorine-containing bleach

Publications (1)

Publication Number Publication Date
DE1107183B true DE1107183B (en) 1961-05-25

Family

ID=7092305

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF27138A Pending DE1107183B (en) 1958-11-28 1958-11-28 Process for the production of nonwovens resistant to chlorine-containing bleach

Country Status (8)

Country Link
US (1) US3116163A (en)
BE (1) BE585042A (en)
CH (1) CH367794A (en)
DE (1) DE1107183B (en)
FR (1) FR1245087A (en)
GB (2) GB809003A (en)
NL (1) NL245669A (en)
SE (1) SE220090C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620797A (en) * 1969-01-14 1971-11-16 Dhj Ind Inc Impregnation of a nonwoven fabric

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE819396C (en) * 1949-07-06 1951-10-31 Masing & Co K G Dr Process for consolidating nonwovens and the product manufactured by this process
US2673819A (en) * 1949-05-26 1954-03-30 John W Wendell Fibrous sheet material and method of making it

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497117A (en) * 1946-01-23 1950-02-14 Dreyfus Camille Method of surface-bonding fibrous batts
US2433000A (en) * 1943-09-29 1947-12-23 Fred W Manning Method for the production of filaments and fabrics from fluids
DE1065344B (en) * 1948-10-01
US2864093A (en) * 1954-10-20 1958-12-16 Chicopec Mfg Corp Washable garment part
BE564771A (en) * 1957-02-13
US2973284A (en) * 1957-04-30 1961-02-28 Goodrich Co B F Leather-like material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673819A (en) * 1949-05-26 1954-03-30 John W Wendell Fibrous sheet material and method of making it
DE819396C (en) * 1949-07-06 1951-10-31 Masing & Co K G Dr Process for consolidating nonwovens and the product manufactured by this process

Also Published As

Publication number Publication date
US3116163A (en) 1963-12-31
SE220090C1 (en) 1968-04-24
GB809003A (en) 1959-02-18
CH367794A (en) 1963-04-30
GB879003A (en) 1961-10-04
BE585042A (en)
CH8076159A4 (en) 1962-11-30
FR1245087A (en) 1960-11-04
NL245669A (en)

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