DE933050C - Process for improving the spinning process in the manufacture of viscose rayon - Google Patents

Process for improving the spinning process in the manufacture of viscose rayon

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Publication number
DE933050C
DE933050C DEN1951D DEN0001951D DE933050C DE 933050 C DE933050 C DE 933050C DE N1951 D DEN1951 D DE N1951D DE N0001951 D DEN0001951 D DE N0001951D DE 933050 C DE933050 C DE 933050C
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Prior art keywords
viscose
spinning
manufacture
cation
added
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Expired
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DEN1951D
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German (de)
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Onderzoekings Instituut Research
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Onderzoekings Instituut Research
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40—Making wire or rods for soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • 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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath
    • 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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath
    • D01F2/10—Addition to the spinning solution or spinning bath of substances which exert their effect equally well in either
    • 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
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/058—Crimping mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/18—Homopolymers or copolymers of nitriles
    • C08J2333/20—Homopolymers or copolymers of acrylonitrile

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Manufacturing & Machinery (AREA)
  • Toxicology (AREA)
  • Artificial Filaments (AREA)

Description

Gemäß Patent 709 497 wird eine wesentliche Verbesserung des Spinnvorganges bei der Herstellung von Viscosekunstseidenfäden dadurch erzielt, daß man in das saure Spinnbad kationaktive Fettstoffe, d. h. also oberflächenaktive Körper der Fettreihe, welche die für die Oberflächenaktivität verantwortliche Fettkette im Kation tragen, hineinbringt. According to patent 709 497 there is a substantial improvement in the spinning process during manufacture of viscose silk threads achieved by adding cationic fatty substances to the acidic spinning bath, d. H. So surface-active bodies of the fat series, which are responsible for the surface activity Carrying fat chain in the cation, brings in.

Man gelangt zu ähnlichen Resultaten dadurch, daß man alkalibeständige kationaktive Stoffe derselben Art, vorzugsweise solche, welche in der Viscose eine genügende Löslichkeit besitzen, der Viscose vor dem Verspinnen zusetzt und darin verteilt. Similar results are obtained by using alkali-resistant, cation-active substances of the same Kind, preferably those which have sufficient solubility in the viscose, the Viscose added and distributed in it before spinning.

Es ist nun die weitere Beobachtung gemacht worden, daß die günstige Wirkung kationaktiver Stoffe im Viscosespinnprozeß nicht an das Vorhandensein solcher kationaktiver Stoffe gebunden ist, welche eine Fettkette als oberflächenaktive Molekülgruppe im Kation aufweisen. Es hat sich vielmehr herausgestellt, daß die oberflächenaktive Fettkette im Kation auch durch andere Molekülgruppen vertreten werden kann, sofern diese nur eine oberflächenaktive Wirkung auszuüben vermögen. Die Fettkette im Kation kann,, wie ausgedehnte Versuche ergeben haben, durch zahlreiche andere Atomgruppen ersetzt werden, sofern dieselben nur immer einen lang gestreckten Molekül-A further observation has now been made that the beneficial effect is more cationic Substances in the viscose spinning process are not bound to the presence of such cationic substances which have a fatty chain as a surface-active molecular group in the cation. It has rather, it was found that the surface-active fat chain in the cation is also replaced by other groups of molecules can be represented, provided that they are only able to exert a surface-active effect. The fat chain in the cation can, as extensive experiments have shown, through numerous other groups of atoms are replaced, provided that they always have an elongated molecular

bau aufweisen. Diese lang gestreckten Atomgruppen können Benzolkerne u. dgl. enthalten oder zusammen mit an sich kurzen Fettketten eine lang gestreckte Atomgruppierung darstellen. Solche lang gestreckte Atomgruppierungen-pflegen die Eigenschaft der Oberflächenaktivität zu bedingen und haben im Sinne der Erfindung, sofern sie im Kation des Zusatzstoffes sich befinden, die bezeichnete günstige Wirkung auf den Viscosespinnprozeß. Als Zusatzstoffe kommen organische Basen oder deren Salze, wie Stickstoff basen, Sulfoniumbasen, Arsoniumbasen und Phosphoniumbasen, in Betracht. Als Stickstoffbasen kommen primäre, sekundäre oder tertiäre Amine und quarternäre Ammoniumbasen und deren Salze in Anwendung. Notwendige Bedingung ist immer das Vorhandensein der oberflächenaktiven Molekülgruppe im Kation sowie eine genügende Löslichkeit und Beständigkeit, sei es im sauren Spinnbade, sei es je nach der Verwendungsart in der Viscose.exhibit construction. These elongated atomic groups may contain benzene nuclei and the like or together with actually short fat chains represent an elongated atomic grouping. Such elongated groups of atoms tend to determine the property of surface activity and have within the meaning of the invention, provided they are in the cation of the additive, the designated favorable effect on the viscose spinning process. Organic bases are used as additives or their salts, such as nitrogen bases, sulfonium bases, arsonium bases and phosphonium bases, in Consideration. Primary, secondary or tertiary amines and quaternary are used as nitrogen bases Ammonium bases and their salts in use. Presence is always a necessary condition the surface-active molecular group in the cation as well as sufficient solubility and stability, be it in an acid spinning bath or, depending on the type of use, in the viscose.

Bei Verwendung organischer Basen in Form ihrer Salze ist die Art des Anions an sich von untergeordneter Bedeutung; sofern die übrigen Vorbedingungen erfüllt sind, kann es sich hierbei um Chloride, Sulfate, Acetate, Jodide usw. handeln. Für die bevorzugte praktische Verwendung kommen selbstverständlich aus der Reihe der geeigneten Substanzen in erster Linie diejenigen in Betracht, welche am leichtesten und billigsten herzustellen sind.When using organic bases in the form of their salts, the nature of the anion per se is of minor importance; if the other preconditions are met, this can be the case be chlorides, sulfates, acetates, iodides, etc. For preferred practical use Of course, from the number of suitable substances, primarily those in Consider which ones are easiest and cheapest to make.

AusführungsbeispielEmbodiment

Übliche Viscose wird durch Goldpalladiumdüsen in ein Spinnbad versponnen, welches neben den üblichen Badingredienzien z. B. 5% Zinksulfat enthält; unter solchen Umständen verschmutzen die Düsenlöcher innerhalb weniger Stunden. Setzt man der Viscose aber 0,05% Toluolazophenyltrimethylammoniumjodid zu, so bleiben die Düsenlöcher offen.Usual viscose is made by gold-palladium nozzles spun in a spinning bath, which in addition to the usual bath ingredients z. B. 5% zinc sulfate contains; under such circumstances the nozzle holes become dirty within a few hours. Puts But if 0.05% toluene azophenyltrimethylammonium iodide is added to the viscose, the nozzle holes remain open minded.

Andere Zusatzkörper, die bei ähnlichen Zusatzmengen eine analoge Wirkung hervorbringen, sind: Benzolazophenyltrimethylammoniumjodid,
Diphenylazophenyltrimethylammoniummethyl-Other additives that produce an analogous effect with similar amounts are: Benzolazophenyltrimethylammonium iodide,
Diphenylazophenyltrimethylammoniummethyl-

sulfat,sulfate,

Isopropylnaphthyltrimethylammoniumjodid.Isopropylnaphthyltrimethylammonium iodide.

Der erfindungsgemäß erzielte Effekt ist aus den nachstehend beschriebenen Vergleichsversuchen ersichtlich. Diese Versuche wurden jeweils mit der gleichen in der üblichen Weise hergestellten Viscose durchgeführt, welche 8°/o Cellulose und 7% Gesamtalkali aufwies. Die Viscose wurde in ein Spinnbad folgender Zusammensetzung versponnen: 9% H2SO4, 18% Na,, S O4, 5°/o MgSO4, 5°/o ZnSO4.The effect achieved according to the invention can be seen from the comparative tests described below. These tests were each carried out with the same viscose produced in the usual way, which contained 8% cellulose and 7% total alkali. The viscose was spun in a spinning bath with the following composition: 9% H 2 SO 4 , 18% Na 1, SO 4 , 5 % MgSO 4 , 5% ZnSO 4 .

Die Spinndüsen bestanden aus einer Legierung von 70% Au und 30% Pt und besaßen 48 Löcher mit einer Lochweite von 70 my. Spinntemperatur: 47°; Abzug des Fadens: 65 m/min. Die Versuche wurden an einer Spulenspinnmaschine durchgeführt, wobei ein Kunstseidenfaden von 120 den gesponnen wurde. Jeder Versuch hatte eine ununterbrochene Spinndauer von 7 Stunden.The spinnerets were made of an alloy of 70% Au and 30% Pt and had 48 holes with a hole size of 70 my. Spinning temperature: 47 °; Draw-off of the thread: 65 m / min. The trials were carried out on a bobbin spinning machine, spun a rayon thread of 120 den became. Each trial had an uninterrupted spin time of 7 hours.

Es wurden Spinnversuche vorgenommen mit Viscose, welche keinerlei Zusatzstoffe enthielt, und ferner wurde Viscose mit Zusatz von Cholsäure, Türkischrotöl, Toluolazophenyltrimethylammoniumj odid, Amylnaphthalinmethy ltriäthylammoniumchlorid und von p-Toluyl-p-xylylen-diäthylsulphoniumjodid verwendet. Die Zugabe der Zusatzstoffe erfolgte in der Weise, daß die Zusatzstoffe in einer kleinen Menge Wasser gelöst und darauf nach der zweiten Filtration zur Viscose unter Rühren zugegeben wurden.Spinning tests were carried out with viscose, which did not contain any additives, and Furthermore, viscose with the addition of cholic acid, Turkish red oil, toluene-azophenyltrimethylammoniumj odide, amylnaphthalinmethy ltriethylammonium chloride and of p-toluyl-p-xylylene diethylsulphonium iodide used. The additives were added in such a way that the additives dissolved in a small amount of water and then after the second filtration to viscose were added with stirring.

Nach 7 Stunden wurde das Spinnen unterbrochen und die Düsen dann genau geprüft. Hierbei ergab sich folgendes Bild:After 7 hours the spinning was stopped and the nozzles were then carefully checked. Here the following picture emerged:

Zusatzadditive

Aktivitätactivity

100 »/ο100 »/ ο der Löcher mit offenerof the holes with open 80 Vo80 Vo 60%60% 40%40% 20 »/ο20 »/ ο Zustand der DüsenCondition of the nozzles bis 80 "/οup to 80 "/ ο Oberfläche vonSurface of bis 60 %up to 60% bis 40 %up to 40% bis 20 %until 20 % bis %until % Prozentsatzpercentage 2929 5050 1313th 77th II. 44th 1212th 3737 4444 33 OO 2525th 1616 4040 100100 —- —- —- —- 9191 77th 22 —- —- IIII 8585 44th —- —- 100100 —- —- —-

QuerschnittsbildCross-sectional image

Kein No

0,03 % Ch 0.03% Ch

0,03 % T. R. O 0.03% T.R. O.

0,03% ToI 0.03% ToI

0,03% Am 0.03% Am

0,03 % T. X. E. (24 Std.)
0,03 % T. X. E. (2 Std.) .0.03% TXE (24 hours)
0.03% TXE (2 hours).

Anion Anion Kation KationAnion anion cation cation

schlechtbad

schlechtbad

schlechtbad

sehr gutvery good

gutWell

mäßigmoderate

gutWell

CH = Cholsäure
T. R. O. = Türkischrotöl
ToI. = Toluolazophenyltrimethylammonium-CH = cholic acid
TRO = Turkish red oil
ToI. = Toluene azophenyltrimethylammonium

jodidiodide

Am. = Amylnaphthalinmethyltriäthylammoniumchlorid At the. = Amylnaphthalene methyltriethylammonium chloride

T.X.E. = p-Toluyl-p-xylylen-diäthylsulphoniumjodid T.X.E. = p-toluyl-p-xylylene diethylsulphonium iodide

Aus der vorstehenden Zusammenstellung geht aufs deutlichste hervor, daß die kationaktiven Zusatzstoffe eine ganz auffallende Wirkung ausübenFrom the above list it is clear that the cation-active additives have a very striking effect

und daß die anionaktiven Stoffe mit ihnen nicht in Vergleich gesetzt werden können.and that the anion-active substances cannot be compared with them.

Zum Beweis dafür, daß auch Sulfoniumbasen die behauptete Wirkung zeigen, wurde das p-Toluylp-xylylen-diäthyl-sulphoniumjodid nachstehender Formel herangezogen:To prove that sulfonium bases too To show the claimed effect, p-toluyl-p-xylylene diethyl sulphonium iodide was used the following formula was used:

C2H5 C 2 H 5

>CH2—S-J.> CH 2 -SJ.

C2H5 C 2 H 5

Da dieses Produkt nicht sehr widerstandsfähig gegen eine längere Einwirkung von Viscose ist, wurden zwei Versuche mit dieser Verbindung angestellt. Beim ersten Versuch wurde die genannte Verbindung 24 Stunden vor dem Verspinnen zugegeben, beim zweiten 2 Stunden vor dem Spinnen der Viscose beigemengt. In der Tabelle rinden sich entsprechende Hinweise (24 Std. bzw. 2 Std.) in Klammern. Die Versuche zeigen, daß die Sulfoniumverbindungen den behaupteten Effekt ergeben, und es dürfte beim praktischen Gebrauch selbstverständlich sein, daß man derartige Zusatzstoffe nicht lange Zeit mit der stark alkalischen Viscoselösung in Berührung läßt.Since this product is not very resistant to prolonged exposure to viscose, two attempts were made with this compound. The first attempt was said to be Compound added 24 hours before spinning, the second 2 hours before spinning added to the viscose. Corresponding information (24 hours or 2 hours) can be found in the table in Brackets. The experiments show that the sulfonium compounds produce the claimed effect, and in practical use it should go without saying that such additives does not leave in contact with the strongly alkaline viscose solution for a long time.

Claims (1)

PATENTANSPRUCH:PATENT CLAIM: Verfahren zur Verbesserung des Spinnvorganges bei der Herstellung von Viscosekunstseide nach Patent 709 497, dadurch gekennzeichnet, daß man dem sauren Spinnbad oder der Viscose geringe Mengen von im Spinnbad bzw. in der Viscose löslichen organischen Stoffen zusetzt, welche im Kation eine solche Molekülgruppe außer einer Fettgruppe enthalten, die oberflächenaktive Eigenschaften zu äußern vermag.Process to improve the spinning process in the manufacture of viscose rayon according to patent 709 497, characterized in that small amounts of in the spinning bath are added to the acidic spinning bath or the viscose or organic substances soluble in the viscose are added, which in the cation have such Molecular groups except a fat group contain the surface-active properties too able to express. Angezogene Druckschriften:
Deutsche Patentschriften Nr. 539 320, 570 666.Referred publications:
German patent specifications No. 539 320, 570 666. 1 509542 9.551 509542 9.55
DEN1951D 1935-02-16 1936-02-01 Process for improving the spinning process in the manufacture of viscose rayon Expired DE933050C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN37778D DE709497C (en) 1935-02-16 1935-02-16 Process for improving the spinning process in the manufacture of viscose rayon

Publications (1)

Publication Number Publication Date
DE933050C true DE933050C (en) 1955-09-15

Family

ID=48586911

Family Applications (2)

Application Number Title Priority Date Filing Date
DEN37778D Expired DE709497C (en) 1935-02-16 1935-02-16 Process for improving the spinning process in the manufacture of viscose rayon
DEN1951D Expired DE933050C (en) 1935-02-16 1936-02-01 Process for improving the spinning process in the manufacture of viscose rayon

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DEN37778D Expired DE709497C (en) 1935-02-16 1935-02-16 Process for improving the spinning process in the manufacture of viscose rayon

Country Status (5)

Country Link
US (4) US2125031A (en)
BE (2) BE413164A (en)
DE (2) DE709497C (en)
FR (2) FR800404A (en)
NL (1) NL39956C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082003B (en) * 1954-05-12 1960-05-19 Onderzoekings Inst Res Process for the production of threads and fibers from viscose containing quinoline

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432085A (en) * 1938-10-07 1947-12-09 North American Rayon Corp Viscose spinning solutions
US2422021A (en) * 1940-07-29 1947-06-10 Ind Rayon Corp Manufacture of thread or the like
US2519227A (en) * 1941-04-19 1950-08-15 American Viscose Corp Manufacture of yarns and the like
US2423075A (en) * 1942-09-01 1947-06-24 Courtaulds Ltd Manufacture of alginate threads
GB568177A (en) * 1943-02-19 1945-03-22 Courtaulds Ltd Improvements in and relating to the manufacture of threads, filaments, films and thelike from alginates
US2462948A (en) * 1943-05-19 1949-03-01 Woonsocket Rayon Inc Flotation process of clarifying regenerating baths
BE456065A (en) * 1943-06-29
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Also Published As

Publication number Publication date
FR48093E (en) 1937-10-18
NL39956C (en) 1937-06-15
BE419429A (en) 1900-01-01
US2145527A (en) 1939-01-31
US2179196A (en) 1939-11-07
DE709497C (en) 1941-08-19
US2179195A (en) 1939-11-07
FR800404A (en) 1936-07-04
US2125031A (en) 1938-07-26
BE413164A (en) 1936-02-29

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