CN113373566B - Vortex blending thick count yarn and production process thereof - Google Patents
Vortex blending thick count yarn and production process thereof Download PDFInfo
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- CN113373566B CN113373566B CN202110580981.1A CN202110580981A CN113373566B CN 113373566 B CN113373566 B CN 113373566B CN 202110580981 A CN202110580981 A CN 202110580981A CN 113373566 B CN113373566 B CN 113373566B
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- polyester
- polyvinyl alcohol
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- 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
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
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- 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
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
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- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention relates to an eddy current blended thick yarn and a production process thereof, comprising the following steps: (1) respectively melting polyester and polyvinyl alcohol in a melt extruder, and respectively guiding polyester melt and polyvinyl alcohol melt to flow out of a die head to form polyester short fibers; the polyester fiber comprises a polyester fiber main body, a polyvinyl alcohol melt and a polyvinyl alcohol melt, wherein the polyester fiber main body is made of the polyester melt, and the polyvinyl alcohol melt forms a plurality of lines communicated with the outer peripheral surface of the polyester fiber main body on the cross section of the polyester fiber main body; then contacting the obtained polyester short fiber with water to remove part or all of polyvinyl alcohol to obtain the special-shaped cross section polyester short fiber with an opening on the outer peripheral surface; (2) respectively cutting the polyester fibers with the special-shaped cross sections with different fineness into required lengths according to requirements; (3) and mixing the polyester short fibers with the special-shaped cross sections, and performing vortex spinning to obtain the vortex blended thick yarn. The invention adopts thinner fiber to produce thick yarn, avoids weak ring and provides fluffy hand feeling of vortex spun yarn.
Description
Technical Field
The invention belongs to the technical field of vortex spinning, and particularly relates to vortex blended yarn and a production process thereof.
Background
The vortex blended yarn is formed by mixing and coating a plurality of different functional fibers into yarn by high-pressure airflow twisting in a vortex spinning mode, and the yarn obtained by the mode has good fluffiness, washing resistance, good refreshing feeling and easy coloring.
Vortex spinning can produce yarn with fineness of 10-60 s due to the limitation of the spinning mode. In the vortex spinning process, the yarn is easy to have weak twist (i.e. the content of fiber in strands is too high and the twisting is insufficient), so that the quality of the yarn is low. If adopt thinner polyester fiber to produce thick yarn, because the air current effort is limited, the fibre is more thin, and is more easily dispersed to form effectual rotation and twisting inside the vortex spins, though can avoid weak ring to produce to a certain extent like this, but can influence the fluffiness and the feeling of vortex spun yarn.
Disclosure of Invention
The invention aims to solve the technical problem of providing vortex blended thick yarn and a production process thereof.
In order to solve the technical problems, the invention adopts a technical scheme that: the vortex blending thick yarn comprises polyester staple fibers with special-shaped cross sections and at least two different fiber lengths and fiber fineness; the fineness of the polyester staple fiber with the special-shaped section is 0.9-1.2D, and the length is 3-5 cm; the profiled cross-section polyester staple fiber comprises a polyester fiber main body, wherein a plurality of gap-type grains are uniformly or unevenly distributed on the cross section of the polyester fiber main body, one end of each gap-type grain is exposed out of the outer peripheral surface of the polyester fiber main body, and the other end of each gap-type grain is positioned inside the polyester fiber main body.
Further, the manufacturing method of the profiled-section polyester staple fiber comprises the following steps: respectively melting polyester and polyvinyl alcohol in a melt extruder, and respectively guiding polyester melt and polyvinyl alcohol melt to flow out of a die head to form polyester short fibers; the polyester fiber comprises a polyester fiber main body, a polyvinyl alcohol melt and a polyvinyl alcohol melt, wherein the polyester fiber main body is made of the polyester melt, and the polyvinyl alcohol melt forms a plurality of lines communicated with the outer peripheral surface of the polyester fiber main body on the cross section of the polyester fiber main body; and then contacting the obtained polyester short fiber with water to remove part or all of polyvinyl alcohol to obtain the special-shaped section polyester short fiber.
Further, the texture formed by the polyvinyl alcohol melt accounts for no more than 50% of the total cross-sectional area of the polyester fiber.
Furthermore, the water temperature of the polyester short fibers in contact with water is 50-80 ℃, and the treatment time is 60-120 seconds.
The invention also provides a production process of the vortex blending thick count yarn, which comprises the following steps:
(1) manufacturing special-shaped cross section polyester staple fiber: respectively melting polyester and polyvinyl alcohol in a melt extruder, and respectively guiding polyester melt and polyvinyl alcohol melt to flow out of a die head to form polyester short fibers; the polyester fiber comprises a polyester fiber main body, a polyvinyl alcohol melt and a polyvinyl alcohol melt, wherein the polyester fiber main body is made of the polyester melt, and the polyvinyl alcohol melt forms a plurality of lines communicated with the outer peripheral surface of the polyester fiber main body on the cross section of the polyester fiber main body; then contacting the obtained polyester short fiber with water to remove part or all of polyvinyl alcohol to obtain the special-shaped cross section polyester short fiber with an opening on the outer peripheral surface;
(2) respectively cutting the polyester fibers with the special-shaped cross sections with different fineness into required lengths according to requirements;
(3) mixing the polyester staple fibers with the special-shaped cross sections obtained in the step (2); and then sequentially carrying out an opening picking process, a cotton carding process, a drawing process and an eddy spinning process to obtain the eddy blending rough yarn.
Further, the texture formed by the polyvinyl alcohol melt accounts for no more than 50% of the total cross-sectional area of the polyester fiber.
Furthermore, the water temperature of the polyester short fibers in contact with water is 50-80 ℃, and the treatment time is 60-120 seconds.
Furthermore, the relative humidity of the opening and picking process is 90-95%, the relative humidity of the carding process is 90-85%, the relative humidity of the drawing process is 72-75%, and the relative humidity of the vortex spinning process is 65-70%.
Further, the total draft multiple in the vortex spinning process is 220-350, the main draft multiple is 35-44, the feeding ratio is 0.96-0.98, and the winding ratio is 0.98-1.02.
Further, the cross section of the profiled-section polyester staple fiber is circular or oval.
The advantages of the invention are as follows:
(1) the method adopts thinner polyester fiber to produce thick count yarn, the count of the thick count yarn is generally 12-15S, and weak rings can be avoided;
(2) the special-shaped polyester section is generated by two polymers, an opening is formed on the surface of the polyester short fiber, the structure is similar to a scale structure of wool, and the twisting effect of the air-jet vortex spun fiber is combined with the special structure on the surface of the polyester short fiber, so that the morphological structure stability of the vortex spun yarn can be effectively improved, and the fluffy hand feeling of the vortex spun yarn can be ensured;
(3) the fibers with different lengths and different deniers are blended, and yarns with different styles and handfeel can be spun according to the product requirements.
Drawings
FIG. 1 is a sectional view of a profiled-section polyester fiber.
Fig. 2 is a cross-sectional view of polyester staple fiber.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be embodied in other specific forms than those described herein, and it will be apparent to those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention.
The first embodiment is as follows:
the vortex blending thick yarn comprises the following components: 20% of first profiled-section polyester staple fibers, 20% of second profiled-section polyester staple fibers, 20% of third profiled-section polyester staple fibers and 40% of fourth profiled-section polyester staple fibers; the fineness of the first special-shaped cross section polyester staple fiber is 0.9D, and the length of the first special-shaped cross section polyester staple fiber is 5 cm; the fineness of the second special-shaped cross section polyester staple fiber is 1.0D, and the length of the second special-shaped cross section polyester staple fiber is 4 cm; the fineness of the third different-section polyester staple fiber is 1.1D, and the length of the third different-section polyester staple fiber is 3.5 cm; the fineness of the fourth irregular-section polyester staple fiber is 1.2D, and the length of the fourth irregular-section polyester staple fiber is 3 cm.
As shown in fig. 1, the profiled polyester staple fiber comprises a polyester fiber main body 1 with a circular or oval cross section, a plurality of void-type grains 2 are uniformly or non-uniformly arranged on the cross section of the polyester fiber main body 1, one end of each void-type grain 2 is exposed out of the outer peripheral surface of the polyester fiber main body 1, and the other end of each void-type grain 2 is positioned inside the polyester fiber main body 1; that is, the outer peripheral surface of the polyester fiber body 1 is formed with a plurality of void-type notches.
The manufacturing method of the special-shaped cross section polyester staple fiber comprises the following steps: respectively melting polyester and polyvinyl alcohol in a melt extruder, and respectively leading polyester melt and polyvinyl alcohol melt to flow out of a die head to form polyester short fibers as shown in figure 2; the polyester fiber comprises a polyester fiber main body 1, and polyvinyl alcohol melt, wherein the polyester melt is used as the polyester fiber main body 1, and a plurality of lines communicated with the outer peripheral surface of the polyester fiber main body 1 are formed on the cross section of the polyester fiber main body 1 by the polyvinyl alcohol melt; generally, the texture formed by the polyvinyl alcohol melt does not exceed 50% of the total cross-sectional area of the polyester fiber. Then contacting the obtained polyester short fiber with water to remove part or all of polyvinyl alcohol to obtain the polyester short fiber with the special-shaped section shown in figure 1; the temperature of the water contacting the polyester staple fiber with the water is 50 ℃, and the treatment time is 120 seconds.
In the embodiment, the thin polyester fiber and the thick yarn are adopted, the fiber can be effectively dispersed by airflow, and then effective rotation and twisting are formed inside vortex spinning, so that weak rings are avoided; meanwhile, the special-shaped polyester section is generated by the two polymers, the opening is formed on the surface of the polyester short fiber, the structure is similar to a scale structure of wool, and the twisting effect of the air-jet vortex spun fiber is combined with the special structure on the surface of the polyester short fiber, so that the morphological structure stability of the vortex spun yarn can be effectively improved, and the fluffy hand feeling of the vortex spun yarn can be ensured.
Example two:
the embodiment is a production process of the vortex blending thick yarn in the first embodiment, and the production process comprises the following steps:
step one, according to the manufacturing method of the polyester staple fiber with the special-shaped cross section in the embodiment one, the polyester staple fiber with the special-shaped cross section with the fineness of 0.9D, 1.0D, 1.1D and 1.2D is manufactured respectively; cutting into lengths of 5cm, 4cm, 3.5cm and 3cm according to requirements;
step two, mixing the four special-shaped cross section polyester staple fibers obtained in the step one according to the weight ratio of 20%, 20% and 40%; then sequentially carrying out an opening picking process, a cotton carding process, a drawing process and an eddy spinning process to obtain the eddy blending rough yarn;
the relative humidity of the opening and picking process is 90%, the relative humidity of the cotton carding process is 85%, the relative humidity of the drawing process is 72%, and the relative humidity of the vortex spinning process is 65%; in the vortex spinning process, the total draft multiple is 220, the main draft multiple is 35, the feeding ratio is 0.96, and the winding ratio is 0.98.
Example three:
the vortex blending thick yarn comprises the following components: 20% of first profiled-section polyester staple fibers, 40% of second profiled-section polyester staple fibers and 40% of third profiled-section polyester staple fibers; the fineness of the first special-shaped cross section polyester staple fiber is 1.0D, and the length of the first special-shaped cross section polyester staple fiber is 5 cm; the fineness of the second special-shaped cross-section polyester staple fiber is 1.2D, and the length of the second special-shaped cross-section polyester staple fiber is 4 cm; the fineness of the third hetero-section polyester staple fiber is 1.1D, and the length of the third hetero-section polyester staple fiber is 3.5 cm.
As shown in fig. 1, the profiled polyester staple fiber comprises a polyester fiber main body 1 with a circular or oval cross section, a plurality of void-type grains 2 are uniformly or non-uniformly arranged on the cross section of the polyester fiber main body 1, one end of each void-type grain 2 is exposed out of the outer peripheral surface of the polyester fiber main body 1, and the other end of each void-type grain 2 is positioned inside the polyester fiber main body 1; that is, the outer peripheral surface of the polyester fiber body 1 is formed with a plurality of void-type notches.
The manufacturing method of the special-shaped cross section polyester staple fiber comprises the following steps: respectively melting polyester and polyvinyl alcohol in a melt extruder, and respectively leading polyester melt and polyvinyl alcohol melt to flow out of a die head to form polyester short fibers as shown in figure 2; the polyester fiber comprises a polyester fiber main body 1, and polyvinyl alcohol melt, wherein the polyester melt is used as the polyester fiber main body 1, and a plurality of lines communicated with the outer peripheral surface of the polyester fiber main body 1 are formed on the cross section of the polyester fiber main body 1 by the polyvinyl alcohol melt; generally, the polyvinyl alcohol melt formed lines of 30% of the total cross-sectional area of the polyester fiber. Then contacting the obtained polyester short fiber with water to remove part or all of polyvinyl alcohol to obtain the polyester short fiber with the special-shaped section shown in figure 1; the temperature of the water contacting the polyester staple fiber with the water is 80 ℃, and the treatment time is 60 seconds.
In the embodiment, the thin polyester fiber and the thick yarn are adopted, the fiber can be effectively dispersed by airflow, and then effective rotation and twisting are formed inside vortex spinning, so that weak rings are avoided; meanwhile, the special-shaped polyester section is generated by the two polymers, the opening is formed on the surface of the polyester short fiber, the structure is similar to a scale structure of wool, and the twisting effect of the air-jet vortex spun fiber is combined with the special structure on the surface of the polyester short fiber, so that the morphological structure stability of the vortex spun yarn can be effectively improved, and the fluffy hand feeling of the vortex spun yarn can be ensured.
Example four:
the embodiment is a production process of the vortex blending thick yarn of the third embodiment, and the production process comprises the following steps:
step one, according to the manufacturing method of the polyester staple fiber with the special-shaped cross section in the embodiment one, the polyester staple fiber with the special-shaped cross section with the fineness of 1.0D, 1.1D and 1.2D is manufactured respectively; and cutting into lengths of 5cm, 3.5cm and 4cm according to requirements;
step two, mixing the four special-shaped cross section polyester staple fibers obtained in the step one according to the weight ratio of 20%, 40% and 40%; then sequentially carrying out an opening picking process, a cotton carding process, a drawing process and an eddy spinning process to obtain the eddy blending rough yarn;
the relative humidity of the opening and picking process is 95%, the relative humidity of the cotton carding process is 90%, the relative humidity of the drawing process is 75%, and the relative humidity of the vortex spinning process is 70%; in the vortex spinning process, the total draft multiple is 350, the main draft multiple is 44, the feeding ratio is 0.98, and the winding ratio is 1.02.
The vortex blending thick yarns obtained in the embodiments 1 to 4 mainly have the following advantages:
(1) the method adopts thinner polyester fiber to produce thick count yarn, the count of the thick count yarn is generally 12-15S, and weak rings can be avoided;
(2) the special-shaped polyester section is generated by two polymers, an opening is formed on the surface of the polyester short fiber, the structure is similar to a scale structure of wool, and the twisting effect of the air-jet vortex spun fiber is combined with the special structure on the surface of the polyester short fiber, so that the morphological structure stability of the vortex spun yarn can be effectively improved, and the fluffy hand feeling of the vortex spun yarn can be ensured;
(3) the fibers with different lengths and different deniers are blended, and yarns with different styles and handfeel can be spun according to the product requirements.
The vortex blending thick yarn and the production process thereof provided by the application are described in detail, the principle and the implementation mode of the application are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (1)
1. A production process of vortex blending thick yarn is characterized by comprising the following steps:
step one, manufacturing special-shaped cross section polyester fibers with the fineness of 0.9D, 1.0D, 1.1D and 1.2D respectively; cutting into lengths of 5cm, 4cm, 3.5cm and 3cm according to requirements;
the manufacturing method of the special-shaped cross section polyester staple fiber comprises the following steps: respectively melting polyester and polyvinyl alcohol in a melt extruder, and respectively guiding polyester melt and polyvinyl alcohol melt to flow out of a die head to form polyester short fibers; the polyester fiber comprises a polyester fiber main body, a polyvinyl alcohol melt and a polyvinyl alcohol melt, wherein the polyester fiber main body is made of the polyester melt, the polyvinyl alcohol melt forms a plurality of grains communicated with the outer peripheral surface of the polyester fiber main body on the cross section of the polyester fiber main body, and the grains formed by the polyvinyl alcohol melt occupy no more than 50% of the total cross sectional area of the polyester fiber; then contacting the obtained polyester short fiber with water to remove part or all of polyvinyl alcohol to obtain the special-shaped cross section polyester short fiber with an opening on the outer peripheral surface; the water temperature of the polyester staple fibers in contact with water is 50 ℃, and the treatment time is 120 seconds;
step two, mixing the four special-shaped cross section polyester staple fibers obtained in the step one according to the weight ratio of 20%, 20% and 40%; then sequentially carrying out an opening picking process, a cotton carding process, a drawing process and an eddy spinning process to obtain the eddy blending rough yarn;
the relative humidity of the opening and picking process is 90%, the relative humidity of the cotton carding process is 85%, the relative humidity of the drawing process is 72%, and the relative humidity of the vortex spinning process is 65%; in the vortex spinning process, the total draft multiple is 220, the main draft multiple is 35, the feeding ratio is 0.96, and the winding ratio is 0.98.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2102399A1 (en) * | 1991-10-07 | 1993-04-08 | Donald H. Hogle | Oriented profiled fibers |
| CN110144659A (en) * | 2019-06-24 | 2019-08-20 | 苏州大学 | A kind of Yarn spinning method and fabric using covering yarn |
| CN111793872A (en) * | 2020-07-09 | 2020-10-20 | 苏州市星京泽纤维科技有限公司 | Fine-denier vortex spun yarn and spinning process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3764132B2 (en) * | 2002-07-22 | 2006-04-05 | 株式会社クラレ | Special cross-section fiber |
| CN101144206B (en) * | 2007-10-23 | 2010-06-02 | 浙江理工大学 | Multi-micropore polyester fiber and preparation method thereof |
| CN102121146B (en) * | 2010-12-30 | 2013-05-08 | 中国石油化工股份有限公司 | Polyester staple fiber for Murata vortex spinning process |
| CN106012123B (en) * | 2016-08-09 | 2019-03-15 | 苏州江赛纺织科技有限公司 | A kind of big bright-polyester synthetic fibre Technology of Air Vortex Spinning and its process equipment |
| CN208023161U (en) * | 2018-01-23 | 2018-10-30 | 江苏盛恒化纤有限公司 | A kind of imitative silk/cotton blended yarn of terylene viscose glue vortex spinning |
| CN108588912B (en) * | 2018-04-24 | 2020-10-16 | 百隆东方股份有限公司 | Preparation method of efficient and stable moisture-absorbing and sweat-guiding air-jet vortex spun yarn |
| CN208486006U (en) * | 2018-05-28 | 2019-02-12 | 嘉兴市天之华喷织有限公司 | A kind of vortex spinning acrylic fibers composite yarn |
| JPWO2020162506A1 (en) * | 2019-02-06 | 2021-12-02 | 興和株式会社 | Anti-pilling woven knitted fabric composed of anti-pilling spun yarn, its manufacturing method, and anti-pilling spun yarn |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2102399A1 (en) * | 1991-10-07 | 1993-04-08 | Donald H. Hogle | Oriented profiled fibers |
| CN110144659A (en) * | 2019-06-24 | 2019-08-20 | 苏州大学 | A kind of Yarn spinning method and fabric using covering yarn |
| CN111793872A (en) * | 2020-07-09 | 2020-10-20 | 苏州市星京泽纤维科技有限公司 | Fine-denier vortex spun yarn and spinning process |
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