DE1100873B - Process for the production of polyvinyl chloride spinning solutions - Google Patents

Process for the production of polyvinyl chloride spinning solutions

Info

Publication number
DE1100873B
DE1100873B DEM36819A DEM0036819A DE1100873B DE 1100873 B DE1100873 B DE 1100873B DE M36819 A DEM36819 A DE M36819A DE M0036819 A DEM0036819 A DE M0036819A DE 1100873 B DE1100873 B DE 1100873B
Authority
DE
Germany
Prior art keywords
polyvinyl chloride
production
spinning solutions
trichlorethylene
nitromethane
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
DEM36819A
Other languages
German (de)
Inventor
Alberto Bonvicini
Enrico Cernia
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.)
Montedison SpA
Original Assignee
Montedison SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montedison SpA filed Critical Montedison SpA
Publication of DE1100873B publication Critical patent/DE1100873B/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • D01F6/08—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 halogenated hydrocarbons
    • D01F6/10—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 halogenated hydrocarbons from polyvinyl chloride or polyvinylidene chloride
    • 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
    • C08J2327/00—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 at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08J2327/00—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 at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/08—Homopolymers or copolymers of vinylidene chloride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Polyurethanes Or Polyureas (AREA)

Description

DEUTSCHESGERMAN

Die Verwendung von verspinnbaren Lösungen des Polyvinylchlorids zur Herstellung von Textilfasern ist bekannt. Derartige Lösungen erhält man durch Auflösung des Polymeren in geeigneten Lösungsmitteln oder Lösungsmittelgemischen. Als gebräuchlichstes Lösungsmittel für Polyvinylchlorid ist ein Gemisch gleicher Teile von Schwefelkohlenstoff und Aceton bekannt. Dieses weist aber als Nachteil die Giftigkeit und den niedrigen Entflammungspunkt auf.The use of spinnable solutions of polyvinyl chloride for the production of textile fibers is known. Such solutions are obtained by dissolving the polymer in suitable solvents or Mixed solvents. The most common solvent for polyvinyl chloride is a mixture of the same parts known from carbon disulfide and acetone. However, this has the disadvantage of toxicity and low levels Ignition point.

Andere für diesen Zweck verwendete Lösungsmittel besitzen wiederum einen zu hohen Siedepunkt (z. B. Dimethylformamid, Dioxan, Chlorbenzol u. a.), oder sie sind zu teuer (z. B. Tetrahydrofuran, Dioxan, Dimethylformamid u. a.).Other solvents used for this purpose have a boiling point that is too high (e.g. dimethylformamide, Dioxane, chlorobenzene, etc.), or they are too expensive (e.g. tetrahydrofuran, dioxane, dimethylformamide among others).

Es ist auch ein Verfahren bekanntgeworden, nach welchem spinnbare Polymere, wie z. B. Polyvinylchlorid, mit Flüssigkeiten, wie Trichloräthylen, Tetrachloräthan, Chloroform, Benzol, Aceton usw., behandelt werden, die durch Quellung eine solche Menge derselben aufzusaugen vermögen, welche mindestens dem Gewicht des zu behandelnden Polymeren entspricht.It has also become known a method according to which spinnable polymers, such as. B. polyvinyl chloride, treated with liquids such as trichlorethylene, tetrachloroethane, chloroform, benzene, acetone, etc. be able to absorb such an amount of the same by swelling, which is at least the weight corresponds to the polymer to be treated.

Die genannten Flüssigkeiten sind aber keine Lösungsmittel für Polyvinylchlorid, dessen Molekulargröße durch einen Fikentscher-Wert K zwischen 55 und 80 gekennzeichnet ist.However, the liquids mentioned are not solvents for polyvinyl chloride, whose molecular size depends on a Fikentscher value K between 55 and 80 is characterized.

Für die Herstellung von Spinnfasern benötigt man bekanntlich Spinnlösungen, die die oben angeführten FK-Werte besitzen.It is well known that the production of staple fibers requires spinning solutions like those listed above Have FK values.

Die Erfindung beseitigt oder verringert die vorerwähnten Nachteile. Sie beruht darauf, daß Gemische von Trichloräthylen und Nitromethan in verschiedenen Mischungsverhältnissen, vorzugsweise eine Mischung von 80 Teilen Trichloräthylen und 20 Teilen Nitromethan, vorteilhaft für das sogenannte Trockenspinnen von Polyvinylchlorid verwendet werden können.The invention eliminates or reduces the aforementioned disadvantages. It is based on the fact that mixtures of trichlorethylene and nitromethane in various mixing ratios, preferably a mixture of 80 parts of trichlorethylene and 20 parts of nitromethane, advantageous for the so-called dry spinning of polyvinyl chloride can be used.

Die Verwendbarkeit dieser binären Mischung als geeignetes Lösungsmittel für das Verspinnen von Polyvinylchlorid ist überraschend, da jede der beiden Komponenten für sich allein kein Lösungsmittel für das Polymere darstellt.The utility of this binary mixture as a suitable solvent for spinning polyvinyl chloride is surprising, since each of the two components is not a solvent for the Represents polymers.

Das erfindungsgemäße Lösungsmittelgemisch erfüllt die Hauptanforderungen bei der Herstellung von Fasern auf Grundlage von Polyvinylchlorid, ein billiges Lösungsmittel von niedrigem Siedepunkt zu sein.The solvent mixture according to the invention meets the main requirements in the manufacture of fibers based on polyvinyl chloride to be a cheap, low boiling point solvent.

Es wurde gefunden, daß für diesen Zweck ein Gemisch aus 80 Teilen Trichloräthylen und 20 Teilen Nitromethan am geeignetsten ist, das bei 81,4°C ein Azeotrop bildet; es unterscheidet sich von den bekannten Lösungsmitteln durch den niedrigen Siedepunkt und die geringe Giftigkeit.It has been found that for this purpose a mixture of 80 parts of trichlorethylene and 20 parts of nitromethane most suitable is one that forms an azeotrope at 81.4 ° C; it differs from the known solvents due to the low boiling point and low toxicity.

Beispiel IExample I.

80Teile Trichloräthylen und 20 Teile Nitromethan werden bei Raumtemperatur gemischt. Das auf diese Weise erhaltene Gemisch wird zur Herstellung einer 20% Verfahren zur Herstellung
von Polyvinylchlorid-Spinnlösungen80 parts of trichlorethylene and 20 parts of nitromethane are mixed at room temperature. The mixture thus obtained is used to prepare a 20% method of preparation
of polyvinyl chloride spinning solutions

Anmelder:Applicant:

MONTECATINI Societä GeneraleMONTECATINI Societä Generale

per rindustria Mineraria e Chimica,per rindustria Mineraria e Chimica,

Mailand (Italien)Milan (Italy)

Vertreter:Representative:

Dipl.-Ing. Dipl.-Chem. Dr. phil. Dr. techn. J. Reitstötter, Patentanwalt, München 15, Haydnstr. 5Dipl.-Ing. Dipl.-Chem. Dr. phil. Dr. techn. J. Reitstötter, Patent attorney, Munich 15, Haydnstr. 5

Beanspruchte Priorität:
Italien vom 28. Februar 1957Claimed priority:
Italy from February 28, 1957

Enrico Cernia und Alberto Bonvicini,Enrico Cernia and Alberto Bonvicini,

Mailand (Italien),
sind als Erfinder genannt wordenMilan (Italy),
have been named as inventors

Polyvinylchlorid enthaltenden Spinnlösung verwendet, die bei einer zwischen 60 und 65° C Hegenden Temperatur einen Fikentscher-Wert K von 68,2% aufweist.Polyvinyl chloride containing spinning solution is used, which is kept at a temperature between 60 and 65 ° C has a Fikentscher value K of 68.2%.

Diese Spinnlösung wird bei einer Temperatur von 80° C am Spinnkopf durch eine Spinndüse mit 38 Löchern von 80 μ Durchmesser gepreßt. Der erhaltene Faden wird im Verhältnis 1:4 gestreckt, gezwirnt und bei 65° C thermisch stabilisiert.This spinning solution is at a temperature of 80 ° C at the spinning head through a spinneret with 38 holes 80 μ diameter pressed. The thread obtained is stretched in a ratio of 1: 4, twisted and thermally at 65 ° C stabilized.

Die serienmäßigen Merkmale des so erzeugten Fadens sind:The standard features of the thread produced in this way are:

Zähigkeit 2,65 g/denTenacity 2.65 g / den

Dehnung 16,91%Elongation 16.91%

Beispiel IIExample II

Ein aus 80 Teilen Trichloräthylen und 20 Teilen Nitromethan bestehendes Gemisch wird zur Herstellung einer Spinnlösung mit 21 % Polyvinylchlorid verwendet, dessen Molekulargröße durch einen Fikentscher-Wert K von 65 gekennzeichnet ist. Die Lösung wird bei 68 bis 70° C während eines Zeitraumes von 4 Stunden hergestellt. Die Lösung wird dann durch eine Spinndüse mit 38 Löchern von 80 μ Durchmesser gesponnen.A mixture consisting of 80 parts of trichlorethylene and 20 parts of nitromethane is used to produce a Spinning solution with 21% polyvinyl chloride used, the molecular size of which is determined by a Fikentscher value K of 65 is marked. The solution is prepared at 68 to 70 ° C. over a period of 4 hours. the Solution is then spun through a spinneret with 38 holes of 80μ diameter.

Während des Spinnvorgangs wird die Spinnlösung in einem durch Wasserumlauf auf 80°C erwärmten Behälter gehalten. Die Temperatur am Spinnkopf beträgt 77° C, der Druck in der Spinndüse 31 kg/mm2. Der Faden wird gesammelt, in kochendem Wasser im Verhältnis 1:4,2 gestreckt, gezwirnt und bei 65° C stabilisiert.During the spinning process, the spinning solution is kept in a container heated to 80 ° C. by circulating water. The temperature at the spinning head is 77 ° C. and the pressure in the spinneret is 31 kg / mm 2 . The thread is collected, stretched in boiling water in a ratio of 1: 4.2, twisted and stabilized at 65 ° C.

109 528/678109 528/678

Serienmäßig wurden folgende Werte festgestellt:The following values were determined as standard:

Festigkeit 2,3 g/denFirmness 2.3 g / den

Dehnung 26%Elongation 26%

Die Erfindung wurde in den.Beispielen an zwei bevorzugten Ausführungsformen erläutert. Selbstverständlich kann aber sowohl das Verhältnis der beiden Komponenten als auch die Temperatur in weiten Grenzen verändert werden, ohne daß Erfindungsgedanke und Erfindungsbereich. dadurch verlassen werden.The invention was illustrated in the examples using two preferred embodiments. Of course however, both the ratio of the two components and the temperature can be changed within wide limits without the idea and scope of the invention. be left thereby.

Claims (1)

Patentanspruch:Claim: Verfahren zur Herstellung von Polyvinylchlorid-Spinnlösungen, dadurch gekennzeichnet, daß man das Polymere in einer Mischung von Trichloräthylen und Nitromethan löst, wobei Trichloräthylen' und Nitromethan vorzugsweise in einem Verhältnis von 4:1 vorliegt.Process for the production of polyvinyl chloride spinning solutions, characterized in that the polymer is in a mixture of trichlorethylene and nitromethane dissolves, trichlorethylene 'and nitromethane preferably in a ratio of 4: 1 is present. In Betracht gezogene Druckschriften:
Französische Patentschrift Nr. 994 511.Considered publications:
French patent specification No. 994 511.
DEM36819A 1957-02-28 1958-02-25 Process for the production of polyvinyl chloride spinning solutions Pending DE1100873B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT825032X 1957-02-28

Publications (1)

Publication Number Publication Date
DE1100873B true DE1100873B (en) 1961-03-02

Family

ID=11317923

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM36819A Pending DE1100873B (en) 1957-02-28 1958-02-25 Process for the production of polyvinyl chloride spinning solutions

Country Status (5)

Country Link
US (1) US3036026A (en)
BE (2) BE565209A (en)
DE (1) DE1100873B (en)
FR (2) FR1191749A (en)
GB (2) GB825032A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1494738B1 (en) * 1963-02-12 1969-12-18 Rhovyl Sa Threads and fibers made from a mixture of polyvinyl chloride and chlorinated polyvinyl chloride and processes for their manufacture

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630561A (en) * 1962-04-06 1900-01-01
FR2668502B1 (en) * 1990-10-31 1993-02-19 Rhovyl VINYL POLYCHLORIDE-BASED YARN CROSSLINKED WITH DIISOCYANATES AND PROCESS FOR OBTAINING SAME.
AT522091B1 (en) 2019-03-21 2020-08-15 Steger Heinrich Method for producing a dental prosthesis

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR994511A (en) * 1949-07-06 1951-11-19 Rhodiaceta Process for the manufacture of filaments, threads, horsehair, straws and the like made from polymers of vinyl chloride

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2271581A (en) * 1937-07-21 1942-02-03 Commercial Solvents Corp Synthetic resin coating composition
US2161766A (en) * 1937-09-15 1939-06-06 Carbide & Carbon Chem Corp Synthetic fiber
US2366414A (en) * 1942-05-29 1945-01-02 Udylite Corp Protective coatings for articles
NL62204C (en) * 1942-08-25
GB693792A (en) * 1950-05-23 1953-07-08 Diamond Alkali Co Improvements in or relating to the stabilization of tetrachloroethylene
US2761855A (en) * 1952-05-05 1956-09-04 Chemstrand Corp Polymeric vinyl chloride fiberforming compositions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR994511A (en) * 1949-07-06 1951-11-19 Rhodiaceta Process for the manufacture of filaments, threads, horsehair, straws and the like made from polymers of vinyl chloride

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1494738B1 (en) * 1963-02-12 1969-12-18 Rhovyl Sa Threads and fibers made from a mixture of polyvinyl chloride and chlorinated polyvinyl chloride and processes for their manufacture

Also Published As

Publication number Publication date
FR1204355A (en) 1960-01-26
US3036026A (en) 1962-05-22
BE565209A (en) 1958-08-27
GB853726A (en) 1960-11-09
BE566044A (en) 1958-09-25
GB825032A (en) 1959-12-09
FR1191749A (en) 1959-10-21

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