GB973085A - Production of polypropylene filamentary materials - Google Patents

Production of polypropylene filamentary materials

Info

Publication number
GB973085A
GB973085A GB41023/60A GB4102360A GB973085A GB 973085 A GB973085 A GB 973085A GB 41023/60 A GB41023/60 A GB 41023/60A GB 4102360 A GB4102360 A GB 4102360A GB 973085 A GB973085 A GB 973085A
Authority
GB
United Kingdom
Prior art keywords
polymer
filaments
streams
molten
heated
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
GB41023/60A
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of GB973085A publication Critical patent/GB973085A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D01D5/084—Heating filaments, threads or the like, leaving the spinnerettes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/32—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
    • C09B1/34—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/11—Preparation of azo dyes from other azo compounds by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B56/00—Azo dyes containing other chromophoric systems
    • C09B56/12—Anthraquinone-azo dyes
    • 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
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/06—Feeding liquid to the spinning head
    • 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
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps

Landscapes

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

Abstract

973,085. Polypropylene filaments. FMC CORPORATION. Nov. 29, 1960 [June 10, 1960], No. 41023/60. Heading B5B. Filamentary materials are made from a polymer consisting essentially of isotactic polypropylene having an intrinsic viscosity of 1.3 to 4.5 measured in decahydronaphthalene at 135‹ C. by a process including the steps of rendering the polymer molten and homogenizing the same, maintaining the molten polymer at a temperature at least equal to the tempature at which the polymer is homogenized and below the temperature at which thermal degradation of the polymer occurs while extruding uniform streams thereof through orifices of a spinneret, said spinneret orifices being alike with each having a diameter ranging up to 125 mils. and a length-to-diameter ratio of from 1.5/1.0 to 7.0/1.0, passing the shaped streams of molten polymer through a heated atmosphere immediately after extrusion thereof to maintain the same in a molten condition, solidifying the shaped polymer streams into filaments as they leave the heated atmosphere, and collecting the solidified filaments at a rate of speed greater than that at which the molten polymer is extruded, whereby the shaped streams of molten polymer are elongated immediately after being extruded and during passage through said heated atmosphere and wherein the polymer molecules are oriented during cooling of the shaped streams thereof into solid filaments. Desirably, the polymer is heated from 225‹ to 250‹ C. during homogenizing of the same and is subsequently heated to a temperature of not greater than 325‹ C. during the extrusion thereof. Preferably, the spinneret orifices each have a diameter of 11 to 125 mils., and the shaped polymer streams are solidified by a uniform flow of cool gas directed substantially perpendicularly across the parts thereof, air velocities of about 16-65 metres per minute being satisfactory. The solidified filaments are desirably heated to a temperature of from 75‹ C. to a temperature less than that at which the filaments are molten (suitably 75‹ to 225‹ C.) and stretched, suitably 3 to 6 times, to induce further orientation, cooled and collected. Apparatus as shown comprises a screw type extrusion apparatus 15 which melts, degasses, compresses and homogenizes the polymer, which then passes through pump 17 to the extrusion assembly 19, comprising a filter 21 and spinneret 23 mounted in a block 24 and encased by a heater 25, which serves to maintain the molten polymer at a desired uniform temperature just prior to extrusion and extends well beyond the spinneret face, to provide a heated zone 27 within which the extruded polymer streams are elongated as a result of the jet stretch applied by a conventional take-up means 29. Heated zone 27 preferably has a maximum length not exceeding 75 mm. As the filaments travel to the take-up means 29 they are solidified or quenched with a minimum or turbulence by a continuous cross-flow of air supplied by a blower 31 through a screened duct 33. In examples, filaments spun and stretched as above show tenacities of 6.3-11.87 g.p.den., with elongations of 21.0-52% and uniformities of 8.8-10%.
GB41023/60A 1960-06-10 1960-11-29 Production of polypropylene filamentary materials Expired GB973085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3534160A 1960-06-10 1960-06-10

Publications (1)

Publication Number Publication Date
GB973085A true GB973085A (en) 1964-10-21

Family

ID=21882066

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41023/60A Expired GB973085A (en) 1960-06-10 1960-11-29 Production of polypropylene filamentary materials

Country Status (4)

Country Link
CH (1) CH398870A (en)
FR (1) FR1276575A (en)
GB (1) GB973085A (en)
NL (1) NL257951A (en)

Cited By (2)

* 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
US5527178A (en) * 1993-05-24 1996-06-18 Courtaulds Fibres (Holdings) Limited Jet assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193961A (en) * 1978-04-04 1980-03-18 Kling-Tecs, Inc. Method of extruding polypropylene yarn
IT1203862B (en) * 1987-04-06 1989-02-23 Paolo Bert CONTINUOUS SPINNING AND STRETCHING PROCESS OF SYNTHETIC YARNS AND RELATED PRODUCTION PLANT

Cited By (2)

* 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
US5527178A (en) * 1993-05-24 1996-06-18 Courtaulds Fibres (Holdings) Limited Jet assembly

Also Published As

Publication number Publication date
CH398870A (en) 1966-03-15
FR1276575A (en) 1961-11-17
NL257951A (en) 1900-01-01

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