GB903427A - Improvements relating to processes for the melt spinning of synthetic thermo-plasticmaterial - Google Patents

Improvements relating to processes for the melt spinning of synthetic thermo-plasticmaterial

Info

Publication number
GB903427A
GB903427A GB227759A GB227759A GB903427A GB 903427 A GB903427 A GB 903427A GB 227759 A GB227759 A GB 227759A GB 227759 A GB227759 A GB 227759A GB 903427 A GB903427 A GB 903427A
Authority
GB
United Kingdom
Prior art keywords
filaments
spinning
spinning tube
heating medium
tube
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.)
Expired
Application number
GB227759A
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.)
Inventa AG fuer Forschung und Patentverwertung
Original Assignee
Inventa AG fuer Forschung und Patentverwertung
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 Inventa AG fuer Forschung und Patentverwertung filed Critical Inventa AG fuer Forschung und Patentverwertung
Publication of GB903427A publication Critical patent/GB903427A/en
Expired legal-status Critical Current

Links

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
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • 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
    • D01D5/08—Melt spinning methods
    • 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
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
    • 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
    • D01D5/12—Stretch-spinning methods
    • 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
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

Filaments of synthetic thermoplastic materials are made by a melt-spinning process, in which the filaments emerge from the spinning nozzle into a zone, at least 1 metre in length, of a spinning tube, the zone being held at a temperature 10 DEG -80 DEG C. (preferably 10 DEG -50 DEG C.) below the melting point of the synthetic thermoplastic material, the lower portion of the tube being held at a temperature, below 100 DEG C., and the filaments being reeled at a speed between 1,300 and 2,600 metres per min. (preferably 1,500-2,000 m./min.) whereby the filaments are stretched while passing through the aforementioned zone. The heating zone may be heated directly, e.g. by infra-red radiation, or by passing a heating medium through it. The filaments may be cooled in the lower portion of the spinning tube by blowing a cooling medium on to them, e.g. a cooled gas or a moisture-containing gas. In a modification, preferred where a heating medium is used in the heating zone, the spinning tube consists of two separate parts, the upper part being held at 10 DEG -80 DEG C. below the melting point of p the synthetic material by passing a heating medium through it, the lower part of the spinning tube being held at a temperature below 100 DEG C., there being means for supplying and withdrawing the heating medium to the upper part of the spinning tube. The heating medium, e.g. preheated nitrogen, may be blown on to the filaments either in the direction of spinning or in the opposite direction. Specified materials include polyamides, e.g. polycaprolactam having a low content of low molecular and monomeric constituents, polycarbonates, polyurethanes and polyesters. The filaments may be further stretched before being reeled, preferably at temperatures above 100 DEG C. Conventional hotstretching means are used. Apparatus comprises a spinning tube, the upper portion of which is at least 1 metre in length and is provided with heating means to maintain it at a temperature 10 DEG -80 DEG C. below the melting point of the synthetic thermoplastic material, and means for reeling the filaments at from 1,300-2,600 metres per minute. Preferably, the lower portion of the spinning tube is provided with cooling means. Apparatus suitable for the modified process comprises a spinning tube consisting of two separate parts, there being means for the supply and withdrawal of a heating medium in the upper part of the spinning tube which is at least 1 metre in length and is maintained at 10 DEG -80 DEG C. below the melting point of the synthetic thermoplastic material, and means for reeling the filaments at from 1,300-2,600 metres per minute. Cooling means are preferably provided in the lower part of the spinning tube. French Specification 976,505 and U.S.A. Specification 2,604,667 are referred to.
GB227759A 1958-01-21 1959-01-21 Improvements relating to processes for the melt spinning of synthetic thermo-plasticmaterial Expired GB903427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5491058 1958-01-21

Publications (1)

Publication Number Publication Date
GB903427A true GB903427A (en) 1962-08-15

Family

ID=4519516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB227759A Expired GB903427A (en) 1958-01-21 1959-01-21 Improvements relating to processes for the melt spinning of synthetic thermo-plasticmaterial

Country Status (3)

Country Link
CH (1) CH357144A (en)
GB (1) GB903427A (en)
NL (2) NL235332A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466357A (en) * 1965-12-18 1969-09-09 Glanzstoff Ag Method and apparatus for spinning organic high polymers
DE3036683A1 (en) * 1980-09-29 1982-04-22 Davy International Ag METHOD AND DEVICE FOR MELT SPINNING SYNTHETIC POLYMERS
US5414034A (en) * 1993-03-29 1995-05-09 General Electric Company Processing stabilizer formulations
US5543102A (en) * 1993-07-22 1996-08-06 General Electric Company Melt extrusion process
US5849231A (en) * 1993-03-29 1998-12-15 General Electric Company Melt extrusion process

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE392299B (en) * 1971-08-24 1977-03-21 Du Pont PROCEDURE AND MEANS FOR MANUFACTURE OF YARN WITH FULL AND WIRE
US4181697A (en) 1975-04-05 1980-01-01 Zimmer Aktiengessellschaft Process for high-speed spinning of polyamides
US4522773A (en) * 1983-02-24 1985-06-11 Celanese Corporation Process for producing self-crimping polyester yarn

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466357A (en) * 1965-12-18 1969-09-09 Glanzstoff Ag Method and apparatus for spinning organic high polymers
DE3036683A1 (en) * 1980-09-29 1982-04-22 Davy International Ag METHOD AND DEVICE FOR MELT SPINNING SYNTHETIC POLYMERS
DE3036683C2 (en) * 1980-09-29 1985-01-24 Davy McKee AG, 6000 Frankfurt Process for melt spinning synthetic polymers
US5414034A (en) * 1993-03-29 1995-05-09 General Electric Company Processing stabilizer formulations
US5849231A (en) * 1993-03-29 1998-12-15 General Electric Company Melt extrusion process
US6022916A (en) * 1993-03-29 2000-02-08 General Electric Company Processing stabilizer formulations
US5543102A (en) * 1993-07-22 1996-08-06 General Electric Company Melt extrusion process

Also Published As

Publication number Publication date
NL123498C (en)
CH357144A (en) 1961-09-30
NL235332A (en)

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