EP2110472A1 - Method of making a textile product from a fiber blend including wool fibers and a woven textile product made therefrom - Google Patents

Method of making a textile product from a fiber blend including wool fibers and a woven textile product made therefrom Download PDF

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Publication number
EP2110472A1
EP2110472A1 EP09157928A EP09157928A EP2110472A1 EP 2110472 A1 EP2110472 A1 EP 2110472A1 EP 09157928 A EP09157928 A EP 09157928A EP 09157928 A EP09157928 A EP 09157928A EP 2110472 A1 EP2110472 A1 EP 2110472A1
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EP
European Patent Office
Prior art keywords
fiber bundle
polypropylene filaments
fiber
steaming
textile product
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.)
Granted
Application number
EP09157928A
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German (de)
French (fr)
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EP2110472B1 (en
Inventor
Kun-Yu Tseng
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.)
Canbelin Industrial Co Ltd
CANBELIN Ind Co Ltd
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Canbelin Industrial Co Ltd
CANBELIN Ind Co Ltd
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Publication of EP2110472A1 publication Critical patent/EP2110472A1/en
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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2211/00—Protein-based fibres, e.g. animal fibres
    • D10B2211/01—Natural animal fibres, e.g. keratin fibres
    • D10B2211/02—Wool
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene

Definitions

  • This invention relates to a method of making a textile product, more particularly to a method of making a textile product from a fiber blend including wool fibers.
  • Natural wool fibers are usually manufactured into textile products, such as sweaters, suits and blankets, due to their softness and ability to retain heat. Generally, the quality of natural wool fibers is determined by their length and diameter. Since natural wool fibers are increasingly affected by global warming, the natural wool fibers have become short and coarse, which results in low quality wool fibers. In addition, since natural wool fibers are expensive, textile products made therefrom are of high price. Moreover, because the bulk density of the natural wool fibers is about 1.31, the product made therefrom is relatively heavy and uncomfortable to the user.
  • an object of the present invention is to provide a method of making a textile product that can overcome the aforesaid drawbacks associated with the prior art.
  • Another object of this invention is to provide a woven textile product produced by the method.
  • the method of making a textile product comprises the steps of:
  • a woven textile product made by the aforesaid method comprises a plurality of yarns interlaced with each other and each spun from a fiber blend.
  • the fiber blend includes a plurality of natural wool fibers that are substantially helical, and a plurality of hollow polypropylene filaments.
  • Fig. 1 is a flowchart to illustrate consecutive steps of a preferred embodiment of the method of making a textile product according to this invention.
  • a method of making a textile product includes a natural wool fiber producing process, a polypropylene fiber producing process, and a process of spinning and weaving wool and polypropylene fibers.
  • the wool fiber producing process includes steps 11 to 17.
  • step 11 wool fibers having a length of about 70mm are processed to form a wool fiber bundle having a diameter of about 2cm.
  • step 12 the wool fiber bundle is passed through a first steamer at a speed of 30m/min so as to conduct a first-steaming step, in which the wool fiber bundle absorbs steam provided by the first steamer so that the wool fiber bundle contains moisture and is heated to a temperature of 60°C.
  • step 13 the wool fiber bundle is twisted after step 12 so that the wool fiber bundle has a twist of 30 turns per meter, thereby improving tensile strength thereof.
  • step 14 the wool fiber bundle, after step 13, is passed through a second steamer at a speed of 30m/min so as to conduct a second-steaming step, in which the wool fiber bundle is heated to a temperature of 80°C.
  • step 15 the wool fiber bundle is moved through a drawing device at a rate of 30m/min, and is drawn at a rate of 47m/min by the drawing device. By means of the difference between the rates before and after the drawing device, the wool fiber bundle is drawn.
  • step 16 the wool fiber bundle, after step 15, is passed through a third steamer at a speed of 30m/min so as to conduct a third-steaming step, in which the shape of the twisted wool fiber bundle is set through the heat of steam.
  • step 17 the wool fiber bundle is untwisted by a reverse-twisting process after step 16.
  • a length of the wool fiber bundle after the drawing step is at least 1.5 times a length of the wool fiber bundle before the drawing step.
  • the length of the wool fiber bundle is about 70mm before the drawing step and increases to about 110mm after the drawing step, thereby providing a smooth surface for the wool fiber bundle.
  • the wool fibers of the wool fiber bundle are substantially helical after the untwisting step.
  • the polypropylene fiber producing process includes steps 21 to 26.
  • step 21 polypropylene melt is extruded at 230°C through a spinneret so as to produce long hollow polypropylene filaments, and then cooled to room temperature using cold air having a temperature of 20°C.
  • the hollow polypropylene filaments are passed through three heated rollers, which respectively rotate at 800m/min, 1200m/min, and 2000 m/min, and respectively have temperatures of 60°C, 100 °C and 130°C. Since the three rollers have different rotating speeds and temperatures, the hollow polypropylene filaments are drawn to a length that is 2.5 times a length of the hollow polypropylene filaments before passing through the three rollers. Tensile strength of the hollow polypropylene filaments at room temperature is therefore enhanced.
  • step 23 the hollow polypropylene filaments are moved at a rate of 30m/min and heated through an oven having a temperature of 100 °C.
  • step 24 the hollow polypropylene filaments are passed through a stuffer box crimper that is substantially conical in shape and that has an inlet and an outlet which has a smaller cross sectional area than that of the inlet.
  • the hollow polypropylene filaments enter the inlet at a rate of 30m/min and
  • the hollow polypropylene filaments are squeezed, folded and bent, thereby forming crimps in the hollow polypropylene filaments. Subsequently, the crimped hollow polypropylene filaments are heated through an oven having a temperature of 120 °C for shape-setting.
  • step 25 the hollow polypropylene filaments are cut into staple fibers having a length of about 110mm.
  • step 26 the staple fibers are formed into a polypropylene fiber bundle having a diameter of about 2cm.
  • step 31 the wool and polypropylene fiber bundles are mixed to obtain a fiber blend and are then spun into yarns.
  • the ratio of the wool fiber bundle to the polypropylene fiber bundle in the fiber blend can be varied depending on actual requirements. For example, the wool fiber bundle and the polypropylene fiber bundle are mixed in a ratio of 1:1.
  • the woven textile product as produced by the method according to the present invention includes a plurality of yarns interlaced with each other and each spun from a fiber blend.
  • the fiber blend includes a plurality of natural wool fibers and a plurality of hollow polypropylene filaments.
  • each yarn includes the wool fibers, which have a length of about 110mm and are substantially helical by virtue of the twisting and untwisting steps, and the polypropylene filaments which have a length of about 110mm. Due to the hollow structure of the polypropylene filaments which can retain heat, the textile product can provide the same warming effect as that purely consisting of natural wool fibers. In addition, the polypropylene filaments have a density of 0.91, which is less than that of the wool fibers. Therefore, the textile product including the fiber blend is lighter and more comfortable as compared to that made only from natural wool fibers. Further, the polypropylene filaments are less expensive than the wool fibers. Moreover, the wool fibers processed by the method according to the present invention possess smooth surfaces and high fineness, thereby improving quality of the textile product.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Woven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)

Abstract

A method of making a textile product includes the steps of: first-steaming a first fiber bundle; twisting the first fiber bundle; second-steaming the first fiber bundle; drawing the first fiber bundle; third-steaming the first fiber bundle; untwisting the first fiber bundle; producing long hollow polypropylene filaments; drawing the polypropylene filaments; heating the polypropylene filaments; crimping the polypropylene filaments, followed by heating and shape-setting the same in an oven; cutting the polypropylene filaments into staple fibers, followed by forming the staple fibers into a second fiber bundle; mixing the first and second fiber bundles to obtain a fiber blend; and spinning the fiber blend.

Description

    CROSS-REFERENCE TO RELATED APPLICATION
  • This application claims priorities of Taiwanese Application No. 097113921, filed on April 17, 2008 , and Taiwanese Application No. 097121896, filed on June 12, 2008 .
  • This invention relates to a method of making a textile product, more particularly to a method of making a textile product from a fiber blend including wool fibers.
  • Natural wool fibers are usually manufactured into textile products, such as sweaters, suits and blankets, due to their softness and ability to retain heat. Generally, the quality of natural wool fibers is determined by their length and diameter. Since natural wool fibers are increasingly affected by global warming, the natural wool fibers have become short and coarse, which results in low quality wool fibers. In addition, since natural wool fibers are expensive, textile products made therefrom are of high price. Moreover, because the bulk density of the natural wool fibers is about 1.31, the product made therefrom is relatively heavy and uncomfortable to the user.
  • Therefore, an object of the present invention is to provide a method of making a textile product that can overcome the aforesaid drawbacks associated with the prior art.
  • Another object of this invention is to provide a woven textile product produced by the method.
  • According to one aspect of the present invention, the method of making a textile product comprises the steps of:
    • First-steaming a first fiber bundle consisting of natural wool fibers;
      twisting the first fiber bundle after the first-steaming step so that the first fiber bundle has a twist of 30 turns per meter;
    • second-steaming the first fiber bundle after the twisting step;
      drawing the first fiber bundle through a drawing device after the second-steaming step;
    • third-steaming the first fiber bundle which has been drawn;
      untwisting the first fiber bundle by a reverse-twisting process after the third-steaming step;
      producing long hollow polypropylene filaments through a spinneret;
      drawing the polypropylene filaments through three rollers rotating at different speeds;
      heating the polypropylene filaments which have been drawn through an oven having a temperature of 100 °C;
      crimping, after the heating step, the polypropylene filaments in a stuffer box crimper, followed by heating and shape-setting the same in an oven having a temperature of 120 °C;
      cutting the polypropylene filaments which have been shape-set into staple fibers, followed by forming the staple fibers into a second fiber bundle;
      mixing the untwisted first fiber bundle and the second fiber bundle to obtain a fiber blend; and
      spinning the fiber blend to form a yarn.
  • According to another aspect of the present invention, a woven textile product made by the aforesaid method comprises a plurality of yarns interlaced with each other and each spun from a fiber blend. The fiber blend includes a plurality of natural wool fibers that are substantially helical, and a plurality of hollow polypropylene filaments.
  • Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiment of this invention, with reference to the accompanying drawing, in which:
  • Fig. 1 is a flowchart to illustrate consecutive steps of a preferred embodiment of the method of making a textile product according to this invention.
  • Referring to Fig. 1, a method of making a textile product according to a preferred embodiment of the invention includes a natural wool fiber producing process, a polypropylene fiber producing process, and a process of spinning and weaving wool and polypropylene fibers.
  • The wool fiber producing process includes steps 11 to 17.
  • In step 11, wool fibers having a length of about 70mm are processed to form a wool fiber bundle having a diameter of about 2cm.
  • In step 12, the wool fiber bundle is passed through a first steamer at a speed of 30m/min so as to conduct a first-steaming step, in which the wool fiber bundle absorbs steam provided by the first steamer so that the wool fiber bundle contains moisture and is heated to a temperature of 60°C.
  • In step 13, the wool fiber bundle is twisted after step 12 so that the wool fiber bundle has a twist of 30 turns per meter, thereby improving tensile strength thereof.
  • In step 14, the wool fiber bundle, after step 13, is passed through a second steamer at a speed of 30m/min so as to conduct a second-steaming step, in which the wool fiber bundle is heated to a temperature of 80°C.
  • In step 15, the wool fiber bundle is moved through a drawing device at a rate of 30m/min, and is drawn at a rate of 47m/min by the drawing device. By means of the difference between the rates before and after the drawing device, the wool fiber bundle is drawn.
  • In step 16, the wool fiber bundle, after step 15, is passed through a third steamer at a speed of 30m/min so as to conduct a third-steaming step, in which the shape of the twisted wool fiber bundle is set through the heat of steam.
  • In step 17, the wool fiber bundle is untwisted by a reverse-twisting process after step 16.
  • It is worth mentioning that a length of the wool fiber bundle after the drawing step is at least 1.5 times a length of the wool fiber bundle before the drawing step. In this embodiment, the length of the wool fiber bundle is about 70mm before the drawing step and increases to about 110mm after the drawing step, thereby providing a smooth surface for the wool fiber bundle. In addition, the wool fibers of the wool fiber bundle are substantially helical after the untwisting step.
  • The polypropylene fiber producing process includes steps 21 to 26.
  • In step 21, polypropylene melt is extruded at 230°C through a spinneret so as to produce long hollow polypropylene filaments, and then cooled to room temperature using cold air having a temperature of 20°C.
  • In step 22, the hollow polypropylene filaments are passed through three heated rollers, which respectively rotate at 800m/min, 1200m/min, and 2000 m/min, and respectively have temperatures of 60°C, 100 °C and 130°C. Since the three rollers have different rotating speeds and temperatures, the hollow polypropylene filaments are drawn to a length that is 2.5 times a length of the hollow polypropylene filaments before passing through the three rollers. Tensile strength of the hollow polypropylene filaments at room temperature is therefore enhanced.
  • In step 23, the hollow polypropylene filaments are moved at a rate of 30m/min and heated through an oven having a temperature of 100 °C.
  • In step 24, the hollow polypropylene filaments are passed through a stuffer box crimper that is substantially conical in shape and that has an inlet and an outlet which has a smaller cross sectional area than that of the inlet. The hollow polypropylene filaments enter the inlet at a rate of 30m/min and
  • exit from the outlet at a rate of 15m/min. By means of the difference of the rates at the inlet and the outlet, the hollow polypropylene filaments are squeezed, folded and bent, thereby forming crimps in the hollow polypropylene filaments. Subsequently, the crimped hollow polypropylene filaments are heated through an oven having a temperature of 120 °C for shape-setting.
  • In step 25, the hollow polypropylene filaments are cut into staple fibers having a length of about 110mm.
  • In step 26, the staple fibers are formed into a polypropylene fiber bundle having a diameter of about 2cm.
  • In step 31, the wool and polypropylene fiber bundles are mixed to obtain a fiber blend and are then spun into yarns. The ratio of the wool fiber bundle to the polypropylene fiber bundle in the fiber blend can be varied depending on actual requirements. For example, the wool fiber bundle and the polypropylene fiber bundle are mixed in a ratio of 1:1.
  • Finally, the yarns are woven into the textile product.
  • The woven textile product as produced by the method according to the present invention includes a plurality of yarns interlaced with each other and each spun from a fiber blend. The fiber blend includes a plurality of natural wool fibers and a plurality of hollow polypropylene filaments.
  • In the textile product of this invention, each yarn includes the wool fibers, which have a length of about 110mm and are substantially helical by virtue of the twisting and untwisting steps, and the polypropylene filaments which have a length of about 110mm. Due to the hollow structure of the polypropylene filaments which can retain heat, the textile product can provide the same warming effect as that purely consisting of natural wool fibers. In addition, the polypropylene filaments have a density of 0.91, which is less than that of the wool fibers. Therefore, the textile product including the fiber blend is lighter and more comfortable as compared to that made only from natural wool fibers. Further, the polypropylene filaments are less expensive than the wool fibers. Moreover, the wool fibers processed by the method according to the present invention possess smooth surfaces and high fineness, thereby improving quality of the textile product.

Claims (9)

  1. A method of making a textile product, characterized by the steps of:
    first-steaming a first fiber bundle consisting of natural wool fibers;
    twisting the first fiber bundle after the first-steaming step so that the first fiber bundle has a twist of 30 turns per meter;
    second-steaming the first fiber bundle after the twisting step;
    drawing the first fiber bundle through a drawing device after the second-steaming step;
    third-steaming the first fiber bundle which has been drawn;
    untwisting the first fiber bundle by a reverse-twisting process after the third-steaming step;
    producing long hollow polypropylene filaments through a spinneret;
    drawing the polypropylene filaments through three rollers rotating at different speeds;
    heating the polypropylene filaments which have been drawn through an oven having a temperature of 100 °C;
    crimping, after the heating step, the polypropylene filaments in a stuffer box crimper, followed by heating and shape-setting the same in an oven having a temperature of 120 °C;
    cutting the polypropylene filaments which have been shape-set into staple fibers, followed by forming the staple fibers into a second fiber bundle;
    mixing the untwisted first fiber bundle and the second fiber bundle to obtain a fiber blend; and
    spinning the fiber blend to form a yarn.
  2. The method of Claim 1, characterized in that a length of the first fiber bundle after the drawing step is at least 1.5 times a length of the first fiber bundle before the drawing step.
  3. The method of Claim 2, characterized in that the length of the first fiber bundle is about 70mm before the drawing step and increases to about 110mm after the drawing step.
  4. The method of Claim 1, characterized in that the first fiber bundle moves at a rate of 30m/min before and after the drawing step, and is drawn at a rate of 47m/min by the drawing device.
  5. The method of Claim 1, characterized in that the wool fibers of the first fiber bundle are substantially helical after the untwisting step.
  6. The method of Claim 1, characterized in that the three rollers respectively rotate at 800m/min, 1200m/min, and 2000 m/min, and respectively have temperatures of 60°C, 100°C and 130°C.
  7. The method of Claim 6, characterized in that a length of the polypropylene filaments after passing through the three rollers is 2.5 times a length of the polypropylene filaments before passing through the three rollers.
  8. The method of Claim 1, characterized in that the wool fibers and the polypropylene filaments in the fiber blend have a length of about 110mm, and the wool fibers are substantially helical.
  9. A woven textile product produced by the method of Claim 1, characterized by:
    a plurality of yarns interlaced with each other and each spun from a fiber blend, said fiber blend including
    a plurality of natural wool fibers that are substantially helical; and
    a plurality of hollow polypropylene filaments.
EP09157928A 2008-04-17 2009-04-15 Method of making a textile product from a fiber blend including wool fibers and a woven textile product made therefrom Active EP2110472B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW97113921 2008-04-17
TW097121896A TW200944631A (en) 2008-04-17 2008-06-12 Cloth and method of making the same

Publications (2)

Publication Number Publication Date
EP2110472A1 true EP2110472A1 (en) 2009-10-21
EP2110472B1 EP2110472B1 (en) 2011-03-30

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EP (1) EP2110472B1 (en)
AT (1) ATE503874T1 (en)
DE (1) DE602009000965D1 (en)
TW (1) TW200944631A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106702569A (en) * 2016-11-23 2017-05-24 南通市通州区鼎顶制帽厂 Hollowed blended yarn weaved fabric processing process
US10271999B2 (en) 2014-11-06 2019-04-30 The Procter & Gamble Company Crimped fiber spunbond nonwoven webs/laminate
US10357410B2 (en) 2014-11-06 2019-07-23 The Procter & Gamble Company Pre-strained laminates and methods for making the same
US11213436B2 (en) 2017-02-16 2022-01-04 The Procter & Gamble Company Substrates having repeating patterns of apertures for absorbent articles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB876928A (en) * 1956-12-21 1961-09-06 Montedison Spa Improvements in or relating to yarns and fabrics
US3078543A (en) * 1960-07-14 1963-02-26 Bloch Godfrey Loop pile fabric
GB976888A (en) * 1962-10-16 1964-12-02 Arthur Herbert Ogden New or improved textile yarns and fabrics constructed thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB876928A (en) * 1956-12-21 1961-09-06 Montedison Spa Improvements in or relating to yarns and fabrics
US3078543A (en) * 1960-07-14 1963-02-26 Bloch Godfrey Loop pile fabric
GB976888A (en) * 1962-10-16 1964-12-02 Arthur Herbert Ogden New or improved textile yarns and fabrics constructed thereof

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10271999B2 (en) 2014-11-06 2019-04-30 The Procter & Gamble Company Crimped fiber spunbond nonwoven webs/laminate
US10357410B2 (en) 2014-11-06 2019-07-23 The Procter & Gamble Company Pre-strained laminates and methods for making the same
US10646381B2 (en) 2014-11-06 2020-05-12 The Procter & Gamble Company Crimped fiber spunbond nonwoven webs / laminates
US11135103B2 (en) 2014-11-06 2021-10-05 The Procter & Gamble Company Apertured webs and methods for making the same
US11202725B2 (en) 2014-11-06 2021-12-21 The Procter & Gamble Company Crimped fiber spunbond nonwoven webs / laminates
US11324645B2 (en) 2014-11-06 2022-05-10 The Procter & Gamble Company Garment-facing laminates and methods for making the same
US11633311B2 (en) 2014-11-06 2023-04-25 The Procter & Gamble Company Patterned apertured webs
US11766367B2 (en) 2014-11-06 2023-09-26 The Procter & Gamble Company Patterned apertured webs
US11813150B2 (en) 2014-11-06 2023-11-14 The Procter & Gamble Company Patterned apertured webs
US11998431B2 (en) 2014-11-06 2024-06-04 The Procter & Gamble Company Patterned apertured webs
CN106702569A (en) * 2016-11-23 2017-05-24 南通市通州区鼎顶制帽厂 Hollowed blended yarn weaved fabric processing process
US11213436B2 (en) 2017-02-16 2022-01-04 The Procter & Gamble Company Substrates having repeating patterns of apertures for absorbent articles

Also Published As

Publication number Publication date
DE602009000965D1 (en) 2011-05-12
TWI362436B (en) 2012-04-21
EP2110472B1 (en) 2011-03-30
TW200944631A (en) 2009-11-01
ATE503874T1 (en) 2011-04-15

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