US3476849A - Process for the phase separation spinning of yarns from fiber-forming polyparaphenylene oxides - Google Patents

Process for the phase separation spinning of yarns from fiber-forming polyparaphenylene oxides Download PDF

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Publication number
US3476849A
US3476849A US619028A US3476849DA US3476849A US 3476849 A US3476849 A US 3476849A US 619028 A US619028 A US 619028A US 3476849D A US3476849D A US 3476849DA US 3476849 A US3476849 A US 3476849A
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United States
Prior art keywords
spinning
yarns
polymer
thread
oxides
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Expired - Lifetime
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US619028A
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English (en)
Inventor
Johannes Aart Duiser
Johannes Cornelis Rieke
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Akzo NV
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Algemene Kunstzijde Unie NV
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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/66Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyethers
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00Treatment of filament-forming or like material
    • D01D1/02Preparation of spinning solutions
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like

Definitions

  • the present invention relates to a process for the spinning of yarns from polyphenylene ethers, and more particularly poly 2,6 dimethylparaphenylene ether, by extruding a liquid consisting of a mixture of the polymer and an auxiliary material through a spinning orifice into a medium in which the liquid is formed into a thread.
  • the present invention lies in the field of spinning yarn from a polymeric material in a novel manner and in such a way as to bring about new and unexpected results.
  • the process of the kind referred to above is with advantage carried out in a particular way. Accordingly, the process according to the present invention is char acterized in that the auxiliary material is homogeneously miscible with the polymer at the spinning temperature, but is immiscible with the polymer at the temperature of the medium into which the liquid is extruded.
  • the yarns obtained by the process according to the present invention have properties which make them particularly suitable for use in textiles. Moreover, this process makes it possible to achieve spinning speeds that cannot, or can only with great difficulty, be realized in the usual spinning processes.
  • the yarns obtained by the process according to the present invention are strong and supple, they have a very attractive subdued luster which is strongly suggestive of that of natural silk, and the woven and knitted fabrics that are manufactured from said yarns may be washed in water of a high temperature (for instance, 100 0), without the fabric being subject to a high degree of creasing.
  • the yarns have a porous structure.
  • the manner in which the thread is formed in the process according to the present invention is entirely different from that used in melt spinning, dry spinning or wet spinning.
  • the spinning liquid is extruded through the spinning orifice into a coagulating liquid in which the polymer coagulates owing to the coagulating bath extracting the solvent fromthe polymer solution.
  • the thread is formed in such fashion that after the liquid has left the spinning orifice, the auxiliary material is not miscible with the polymer at the temperature of the medium in which the thread formation is to take place.
  • the auxiliary material then separates from the polymer, which consequently solidifies.
  • Suitable auxiliary materials are p-dichlorobenzene, naphthalene and 3,5-xylenol. However, since very good results are obtained with lactams, their use is preferred. Suitable lactams are pyrrolidone, capryl lactam, dodecanolactam and N-substituted lactams such as methyl, ethyl, phenyl, naphthyl and stearoyl lactams. Since caprolactam is readily available and gives excellent results, this compound is the preferred lactam.
  • the auxiliary material may consist of a mixture of compounds.
  • the auxiliary material may separate from the polymer in the liquid state or in the solid state.
  • the thread may be subjected to an aftertreatment to partly or completely remove the auxiliary material. This may be done by evaporating the auxiliary material at a suitable temperature and pressure, or by extracting it from the thread with the aid of a washing liquid which is preferably heated.
  • This drawing process may be carried out at room temperature, but it is preferably carried out at an elevated temperature.
  • a particularly favorable range of temperatures is from 180 to 270 C.
  • Drawing may take place before the auxiliary material has been removed, but it is as a rule facilitated if the thread no longer contains any auxiliary substance, so that it is preferred to carry out the drawing process after the auxiliary material has been removed. However, it is also possible to carry out the drawing process while the auxiliary material is being extracted.
  • the amount in which the auxiliary material is present in the spinning liquid may vary between wide limits. The amount must not be so small that after the spinning liquid has left the orifice, the auxiliary material remains homogenously mixed with the polymer. On the other hand, there is no point in employing an amount greater than is necessary for a satisfactorily operative spinning process. For most auxiliary materials the optimum amount will be between 60 and by weight, calculated on the amount of spinning liquid.
  • the process according to the present invention is suitable for spinning polyphenylene oxides in general, it is more particularly suitable for spinning poly-2,6-dimethylparaphenyleneoxide, which will hereinafter be referred to as PPO.
  • PPO poly-2,6-dimethylparaphenyleneoxide
  • the present invention will be further described with reference to spinning with PPO, it is by no means limited thereto; the other polyphenylene oxides mentioned in British Patent No. 930,993, may be made into threads by this same process.
  • the spinning liquid may contain sub stances which need not form a homogeneous mixture with the spinning liquid.
  • examples of such substances are pigments, dyestuffs, heat and/or light stabilizers, softening agents, color-improving agents and other substances that may if desired to readily incorporated in the polymers used in the preparation of synthetic fibers.
  • PPO may be mixed with other polymers such as polystyrene, which may be added in an amount up to 60% by weight of the total amount of polymer.
  • Washed thread After the Washed thread has been dried, it is in a number of cases subjected to a drawing process under conditions also indicated in the table.
  • the viscosity of the PPO is the relative viscosity measured on a 1% by weight solution in benzene at 30 C.
  • the tensile strength before drawing is measured after the caprolactam has been washed out.
  • PPO Weight weight by weight C. m1./min. m./min. g./tex. ratio C. g./tex. break 3. 2 17 83
  • 150 12 3.2 17 8 (toluene) 150 12 3. 2 20 160 12 3. 2 20 80 160 12 3. 2 19 81 6 3.2 19 81 9. 6 3.2 19 80 1 (methanol).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
US619028A 1966-03-03 1967-02-27 Process for the phase separation spinning of yarns from fiber-forming polyparaphenylene oxides Expired - Lifetime US3476849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6602743A NL6602743A (ko) 1966-03-03 1966-03-03

Publications (1)

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US3476849A true US3476849A (en) 1969-11-04

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US619028A Expired - Lifetime US3476849A (en) 1966-03-03 1967-02-27 Process for the phase separation spinning of yarns from fiber-forming polyparaphenylene oxides

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NL (1) NL6602743A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621091A (en) * 1967-05-18 1971-11-16 Gen Electric Process for insolubilizing a polyphenylene ether fiber
US8722839B2 (en) 2012-06-04 2014-05-13 Sabic Innovative Plastics Ip B.V. Poly(phenylene ether) fiber and method of making

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695835A (en) * 1949-12-13 1954-11-30 Du Pont Process for making rough surfaced filaments
US2820770A (en) * 1954-12-07 1958-01-21 Ind Rayon Corp Method for the preparation of poly amides
US2824780A (en) * 1953-04-10 1958-02-25 Du Pont Filament formation from polymeric dispersions
US2953818A (en) * 1958-02-14 1960-09-27 Du Pont Process for producing polyvinyl fluoride film from mixture of polyvinyl fluoride particles and latent solvent therefor
US2965437A (en) * 1958-04-02 1960-12-20 Du Pont Process for wet spinning plasticized elastomeric polymers and subsequently removing the plasticizer
US2996474A (en) * 1955-04-27 1961-08-15 Onderzoekings Inst Res Process of molding a mixture of at least two fiber forming linear condensation products, at least one of which products contains a high temperature thickening agent
US3029226A (en) * 1954-06-30 1962-04-10 Onderzoekings Inst Res Process of extruding composition comprising a fiber forming linear condensation product and a thickening agent
US3037956A (en) * 1955-06-10 1962-06-05 Onderzoekings Inst Res Process for extruding a fiber forming composition comprising a linear resinous condensate and a thickening agent
US3221080A (en) * 1962-07-11 1965-11-30 Gen Electric Polycarbonate and polyarylene ether resin mixtures
US3342892A (en) * 1964-08-07 1967-09-19 Eastman Kodak Co Preparation of linear polyaryl ethers
US3356761A (en) * 1967-04-12 1967-12-05 Gen Electric Melt processable polyphenylene ether and process
US3373226A (en) * 1965-08-02 1968-03-12 Gen Electric Polymeric films comprising a polyphenylene oxide and blends thereof with polystyrene

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695835A (en) * 1949-12-13 1954-11-30 Du Pont Process for making rough surfaced filaments
US2824780A (en) * 1953-04-10 1958-02-25 Du Pont Filament formation from polymeric dispersions
US3029226A (en) * 1954-06-30 1962-04-10 Onderzoekings Inst Res Process of extruding composition comprising a fiber forming linear condensation product and a thickening agent
US2820770A (en) * 1954-12-07 1958-01-21 Ind Rayon Corp Method for the preparation of poly amides
US2996474A (en) * 1955-04-27 1961-08-15 Onderzoekings Inst Res Process of molding a mixture of at least two fiber forming linear condensation products, at least one of which products contains a high temperature thickening agent
US3037956A (en) * 1955-06-10 1962-06-05 Onderzoekings Inst Res Process for extruding a fiber forming composition comprising a linear resinous condensate and a thickening agent
US2953818A (en) * 1958-02-14 1960-09-27 Du Pont Process for producing polyvinyl fluoride film from mixture of polyvinyl fluoride particles and latent solvent therefor
US2965437A (en) * 1958-04-02 1960-12-20 Du Pont Process for wet spinning plasticized elastomeric polymers and subsequently removing the plasticizer
US3221080A (en) * 1962-07-11 1965-11-30 Gen Electric Polycarbonate and polyarylene ether resin mixtures
US3342892A (en) * 1964-08-07 1967-09-19 Eastman Kodak Co Preparation of linear polyaryl ethers
US3373226A (en) * 1965-08-02 1968-03-12 Gen Electric Polymeric films comprising a polyphenylene oxide and blends thereof with polystyrene
US3356761A (en) * 1967-04-12 1967-12-05 Gen Electric Melt processable polyphenylene ether and process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621091A (en) * 1967-05-18 1971-11-16 Gen Electric Process for insolubilizing a polyphenylene ether fiber
US8722839B2 (en) 2012-06-04 2014-05-13 Sabic Innovative Plastics Ip B.V. Poly(phenylene ether) fiber and method of making

Also Published As

Publication number Publication date
NL6602743A (ko) 1967-09-04

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