EP2942426B1 - Fil poy - Google Patents

Fil poy Download PDF

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Publication number
EP2942426B1
EP2942426B1 EP15001315.9A EP15001315A EP2942426B1 EP 2942426 B1 EP2942426 B1 EP 2942426B1 EP 15001315 A EP15001315 A EP 15001315A EP 2942426 B1 EP2942426 B1 EP 2942426B1
Authority
EP
European Patent Office
Prior art keywords
yarn
poy
fabric
weavable
obtaining
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.)
Active
Application number
EP15001315.9A
Other languages
German (de)
English (en)
Other versions
EP2942426A1 (fr
Inventor
Roberto Zorzo
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.)
Filmop International Srl
Original Assignee
Filmop International Srl
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 Filmop International Srl filed Critical Filmop International Srl
Publication of EP2942426A1 publication Critical patent/EP2942426A1/fr
Application granted granted Critical
Publication of EP2942426B1 publication Critical patent/EP2942426B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/001—Manufacture of flexible abrasive materials
    • B24D11/005—Making abrasive webs
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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
    • 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

Definitions

  • the object of this invention concerns a procedure for obtaining a weavable POY yarn.
  • Said strands, as they come out of the spinneret, are generally identified as POY.
  • POY strands are extremely elastic and only after various treatments are they suitable for feeding the various weaving machines.
  • this drawn POY is suitable for being used in successive machining and treatments like for example texturing, twisting and braiding treatments, all of which require a yarn that can be treated in a uniform manner: these treatments provide the fabric obtained from these treated yarns, with constant mechanical properties.
  • the treated strand state or after attaining the state of a fabric, generally it is coloured using a thermal treatment and sometimes this is carried out under pressure.
  • this colouration treatment of the filament or the fabric they maintain their physical-mechanical properties, which they possessed previous to the colouring treatment, without any significant modifications, and above all the fibres maintain the same position and arrangement with respect to the weft.
  • the fabric with abrasive properties is the fabric with abrasive properties.
  • this fabric is composed of a twisted yarn, generally a spiral consisting of numerous yarns and strands, and whose terry rises upwards in the opposite direction to the weft.
  • the strand has a dimension of not less than 90 dtex (100 Den).
  • the object of this invention according to claim 1 concerns a new way to create a yarn that can be treated by the various weaving machines in order to obtain a fabric with uniform physical-mechanical properties. Another object of this invention is to make available a yarn with uniform properties that can easily be used by the various weaving machines.
  • Another object of this invention is to make available a fabric with abrasive properties that is made by making use of a yarn obtained according to the method set out above.
  • An even further object of this invention is to make available a fabric that can have various colours depending on the physical-mechanical characteristics of the yarn.
  • Another important object of this invention is to make available a fabric with abrasive properties that can be fully recycled.
  • the yarn of the invention is obtained directly from a POY yarn, explicitly excluding drawing, after the solidification of the yarn extruded from the spinneret, rendered weavable using a thermal fixing treatment with at least one of the following twisting and stranding treatments.
  • the POY yarn becomes a textile yarn that is capable of providing the fabric formed from it, and obtained with a constancy of its physical-mechanical properties.
  • the POY yarn that is the object of the invention is a yarn that has been rendered “calmed”, without appreciable molecular tensions, and without the capacity to curl around itself, namely with fibres arranged longitudinally without any nonuniformity.
  • said fixing is composed of a thermal treatment from 40 to 100 degrees centigrade, and from 50 to70 degrees, for a time varying from a few dozen minutes up to an hour.
  • thermo treatment takes place using gradual increases in temperatures and keeping it there for a period of time; one hour at 50° centigrade and one hour at 70° centigrade, for a cone of 3 kg., and in proportion to the various quantities.
  • the thermal treatment has the strong point of reducing the "nervousness" of the yarn, and increasing the count.
  • the fabric with the POY fabric yarn is uniform with a smooth, flat yarn, namely a fabric that is uniform with a smooth yarn with a flat appearance, namely a fabric with a uniform and flat composition of the "calmed" yarn.
  • the POY yarn reacquires the initial latent nervousness, curling and shortening, creating a series of twisted curls that remain stable even after the end of the thermal treatment.
  • a further and/or different successive thermal stress does not affect the definitive structure acquired by the POY yarn, a sign of the definitive crystallised form acquired, without other latent aspects of structural tensions both molecular as well as the performance of the thermally treated POY textile yarns.
  • This thermal treatment can more or less be associated with the colouration and takes place at a temperature between 100 and 200 degrees centigrade, and preferably between 130° and 150° degrees centigrade.
  • the POY yarn fabric creates a renewal of the consistency, curling the twisting and increasing the toughness, giving the fabric a very strong, coarse, and compact appearance.
  • this coarse and compact aspect has an excellent abrasive effect for cleaning surfaces.
  • a further characteristic is obtained by carrying out the thermal colouring treatment with a fabric having separate parts with the POY yarn and with a traditional yarn, of the same or different composition.
  • the POY yarn acquires a different colour with respect to the adjacent part of the yarn (with the same or different count) of the same fabric, thereby indicating the different structure and function of the various parts and their position on the fabric. So, with a single pass and a single treatment we can obtain the desired different colouration for these types of cleaning cloths.
  • the fact that such an abrasive fabric created according to the above-mentioned methods can be 100 per cent recyclable is very important, since both the thermally treated POY yarn as well as the rest of the fabric and the other regions of the same fabric are all obtained starting from the same chemical composition.
  • the strand 16 that has just come out of the spinneret 3, 8, 13 and has been solidified cannot be treated and managed in any way given its "nervousness", and also because of the inconsistency of it physical properties, including principally the low degree of toughness, the excessive volatility of the elastic module, which in any event is always excessive for being feed into any loom.
  • This fixing of the POY yarn 20 consists of a thermal treatment, extended over time and at variable temperatures.
  • the treatments consists of keeping it for a few dozen minutes up to an hour at a temperature between 40° and 100° degrees centigrade, and preferably at an increasing temperature.
  • polyester fibres with a count of 400 Den it has been found that the most effective thermal treatment is an hour at a temperature of 50° centigrade and an hour at 70° centigrade, for a spool of 3 Kg.
  • said POY yarn 20 which can be used after braiding and/or twisting work, it can easily be fed into a loom for obtaining the relative fabric 21.
  • the POY strand 20 even if woven, lifts from the weft 22 in a linear and continuous manner without any warping and nervousness, shown by the fact that the longitudinal structural tensions of the various strands that make it up are not evident but soothed and latent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Woven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (5)

  1. Procédé pour l'obtention de fil POY tissable caractérisé par le fait de traiter un fil POY (20), explicitement à l'exclusion de l'étirage (4, 9, 14), à la suite de la solidification du fil (16) extrudé de la filière (3, 8, 13), par un traitement thermique de fixage constitué du fait de porter ledit fil POY (20) à une température comprise entre 40° et 100° degrés centigrades pour une période comprise entre quelques dizaines de minutes jusqu'à une heure et d'associer audit traitement de fixage au moins une des exécutions suivantes de doublage ou de tordage.
  2. Procédé pour l'obtention de fil POY tissable selon la revendication 1 caractérisé par le fait que ledit traitement thermique de fixage est exécuté à des températures qui varient entre 50° et 70° centigrades.
  3. Procédé pour l'obtention de fil POY tissable selon la revendication 1 ou 2 caractérisé par le fait que ledit traitement thermique de fixage du fil POY (20) advienne grâce à des températures croissantes, avec l'augmentation graduelle de la température, et le maintient de celles-ci pour un laps de temps.
  4. Procédé pour l'obtention de fil POY tissable selon une des revendications précédentes caractérisé par le fait que le traitement thermique de fixage du fil POY (20) consiste à porter ledit fil POY (20) pour une heure à la température de 50° degrés centigrades et pour une heure à la température de 70° degrés centigrades, référé à une bobine de 3 kg.
  5. Fil POY tissable obtenu directement à partir du procédé selon une ou plusieurs des revendications précédentes.
EP15001315.9A 2014-05-05 2015-05-04 Fil poy Active EP2942426B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITPD20140116 2014-05-05

Publications (2)

Publication Number Publication Date
EP2942426A1 EP2942426A1 (fr) 2015-11-11
EP2942426B1 true EP2942426B1 (fr) 2019-04-17

Family

ID=51230059

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15001315.9A Active EP2942426B1 (fr) 2014-05-05 2015-05-04 Fil poy

Country Status (2)

Country Link
EP (1) EP2942426B1 (fr)
ES (1) ES2728571T3 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112331C (fr) * 1958-06-28
JPS56330A (en) * 1979-06-15 1981-01-06 Teijin Ltd Original fiber for tire cord textile woof and tire cord textile
EP0223301B1 (fr) * 1985-11-20 1990-01-31 Viscosuisse Sa Procédé de fabrication d'un fil de trame en polyester pOY
EP2167710B1 (fr) * 2007-06-14 2012-01-25 Toray Fluorofibers (America) Inc. Fibre de polytétrafluoroéthylène thermiquement stable et procédé pour sa fabrication
CN102767015A (zh) * 2012-06-28 2012-11-07 吴江亚太化纺有限公司 一种具有芳香味的聚酯/氨纶包覆丝

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2728571T3 (es) 2019-10-25
EP2942426A1 (fr) 2015-11-11

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