CN111058098B - Production process of porous superfine terylene with different gray levels - Google Patents

Production process of porous superfine terylene with different gray levels Download PDF

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Publication number
CN111058098B
CN111058098B CN201911410921.4A CN201911410921A CN111058098B CN 111058098 B CN111058098 B CN 111058098B CN 201911410921 A CN201911410921 A CN 201911410921A CN 111058098 B CN111058098 B CN 111058098B
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polyester
master batches
different gray
master batch
terylene
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CN111058098A (en
Inventor
赵海荣
王萍
张慧梅
何鸿喆
张佳文
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Jiangsu Rongchang Special Fiber Technology Co ltd
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Zhangjiagang Rongchang Polyester Tops Co ltd
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00Treatment of filament-forming or like material
    • D01D1/04Melting filament-forming substances
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02Heat treatment
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • D01D5/088Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/092Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/12Stretch-spinning methods
    • D01D5/14Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G1/00Severing continuous filaments or long fibres, e.g. stapling
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G13/00Mixing, e.g. blending, fibres; Mixing non-fibrous materials with fibres

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  • 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)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The invention discloses a production process of porous superfine terylene with different gray levels, which comprises the following process steps: drying master batches → extruding and spinning by a screw rod → cooling by circular blowing → drafting → crimping → cutting the filament bundle into strips → one needle comb → two needle combs → a ball-forming needle comb, mixing the black master batches with the white master batches to prepare the polyester wool strips with different gray levels, wherein the black master batches can be used for replacing the master batches with other colors to be mixed and spun with the white master batches to form the polyester wool strips with different colors. The method has the beneficial effects that the black and white mixed polyester slivers can be obtained by mixing the black master batches and the white master batches in different proportions through spinning, drafting, curling and cutting, and then the uniform mixing of the black polyester staple fibers and the white polyester staple fibers can be realized through 2-3 needle combs, so that the porous superfine polyester with different gray levels is prepared; the method has simple process flow, can very quickly prepare the polyester wool tops with different gray levels, and can facilitate the processing of the subsequent polyester wool colored spun fabric.

Description

Production process of porous superfine terylene with different gray levels
Technical Field
The invention relates to a production process of polyester wool tops, in particular to a production process of porous superfine polyester with different gray levels.
Background
With the progress of modern science and technology and the improvement of living standard of people, people have higher and higher requirements on clothing fabrics, and at present, the polyester wool tops are mainly white in production and are endowed with bright colors through dyeing in subsequent processing. And dyeing brings a series of environmental problems which are not matched with the requirements of the current environment-friendly and intensive society. But the white polyester wool top severely limits the use scene. In order to solve the contradiction, the method of stock solution coloring, namely, the color master batch is adopted to directly spin the polyester filaments with different colors. However, the types and the number of the color master batches are not complete at present, and the color master batches cannot cover all color systems, such as gray color, and particularly, the color master batches with different gray scales cannot be prepared.
The flat yarn polyester wool tops prepared by the production process of the flat yarn polyester wool tops are flat in filament, long in fiber, high in brightness, elastic, smooth and comfortable in hand feeling and strong in stereoscopic impression, and are more suitable for dyeing than ordinary chemical fibers, so that the flat yarn polyester wool tops are suitable for producing fur-like clothes, but cannot cover all color systems, such as gray, and especially cannot be prepared from color master batches with different gray levels.
Disclosure of Invention
The invention aims to solve the problems and designs a production process of porous superfine terylene with different gray levels.
The technical scheme of the invention is that the production process of the porous superfine terylene with different gray levels comprises the following steps:
(1) the double-screw extruder B is used for mixing the white master batch and the black master batch and then carrying out melt extrusion, during spinning, the master batch is added into a part of spinning positions and uniformly mixed, and the master batch is not added into a part of spinning positions.
(2) Extruding a melt from a porous spinneret plate to form undrawn yarns, cooling the undrawn yarns by adopting circular blowing, drafting the undrawn yarns in a water bath at 50-80 ℃ at a draft multiple of 3.0-3.5 in an oil bath or steam for the second time, wherein the draft multiple is 1-1.5, and feeding the drafted polyester filaments into a coiler for curling;
(3) the crimped tows are directly fed into a cutting and slivering machine, the tows are stretch-cut into polyester wool tops, the stretch-cut polyester wool tops are not rolled into wool balls traditionally but are wound in a sliver can, 6-8 prepared polyester wool tops are simultaneously fed into a gilling machine, and are wound in the sliver can after being stretched and combined, so that the first gilling is completed;
(4) and (3) feeding 6-8 polyester wool tops subjected to first needle combing into the gilling machine again, drafting and merging the polyester wool tops, winding the polyester wool tops into a sliver can to finish second needle combing, directly forming a ball needle comb if the polyester wool tops subjected to second needle combing are uniformly mixed, and performing third needle combing if the polyester wool tops are not uniformly mixed, and then forming the ball needle comb.
Further, the screw temperature of the twin-screw extruder is 265-295 ℃.
Further, the spinning positions can be arranged in an ABABAB-like interval arrangement or an AAABBB arrangement.
Further explaining the master batches, mixing the black master batches with the white master batches to prepare the polyester tops with different gray levels, wherein the black master batches can replace the master batches with other colors to be mixed with the white master batches for spinning to form the polyester tops with different colors.
Further, the temperature for cooling and blowing is 25-30 ℃, and the spinning speed is 900-1300 m/min.
Further, the number of the curls of the polyester filament yarn in the coiling machine is 12-20/25 mm, and the polyester filament yarn is relaxed and heat-set at the temperature of 110-130 ℃.
Further, the length of the staple fiber main body after stretch cutting is 65-90mm, and preferably 75 mm.
The method has the beneficial effects that 1, the black and white mixed polyester wool tops can be obtained by mixing the black master batches and the white master batches in different proportions through spinning, drafting, curling and cutting, and then the uniform mixing of the black polyester staple fibers and the white polyester staple fibers can be realized through 2-3 needle combs, so that the porous superfine polyester with different gray levels is prepared.
2. The method has simple process flow, can very quickly prepare the polyester wool tops with different gray levels, and can facilitate the processing of the subsequent polyester wool colored spun fabric.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention;
Detailed Description
Firstly, the purpose of the invention is explained, the color master batches are adopted to directly spin the polyester filament yarns with different colors, but the types and the quantity of the color master batches are not complete at present, the color master batches cannot cover all color systems, such as gray, and especially the color master batches with different gray levels cannot be prepared, so the invention is provided to solve the problems.
The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1, the production process of the porous superfine terylene with different gray scales comprises the following steps: drying master batch → extruding and spinning by screw rod → cooling by circular blowing → drafting → adding and curling → cutting the filament bundle into strips → one needle comb → two needle combs → ball-forming needle comb, the process steps are implemented as follows:
the method comprises the following steps: two double-screw extruders are arranged for extruding master batches, the screw temperature of the double-screw extruders is 265-, the two double-screw extruders are respectively a double-screw extruder A and a double-screw extruder B, the master batch comprises black master batch and white master batch, wherein the double-screw extruder A is used for melt extrusion of the white master batch, the double-screw extruder B is used for mixing the white master batch and the black master batch and then carrying out melt extrusion, during spinning, part of spinning positions are added with the master batch and are uniformly mixed, part of spinning positions are not added with the master batch, the spinning speed is 900-1300m/min, the spinning positions can be arranged at intervals similar to ABABAB or AAABBB, the black master batches and the white master batches are mixed to prepare the polyester wool tops with different gray scales, the black master batch can replace master batches with other colors to be mixed with the white master batches for spinning to form the polyester wool tops with different colors.
Step two: and after the melt is extruded from a porous spinneret plate, undrawn yarns are formed, the undrawn yarns are cooled by adopting circular blowing, the temperature for cooling and blowing is 25-30 ℃, after cooling is finished, the undrawn yarns are drawn in a water bath at 50-80 ℃, the drawing multiple is 3.0-3.5, secondary drawing is carried out in an oil bath or water vapor, the drawing multiple is 1-1.5, the drawn polyester filaments are fed into a winding machine for curling, the curling number of the polyester filaments in the winding machine is 12-20/25 mm, and the polyester filaments are relaxed and heat-set at 110-130 ℃.
Step three: the crimped tows are directly fed into a cutting slivering machine and are stretch-cut into polyester wool tops, the length of a stretch-cut short fiber main body is 65-90mm, preferably 75mm, the stretch-cut polyester wool tops are not rolled into wool balls traditionally but are wound in a sliver can, and then 6-8 prepared polyester wool tops are simultaneously fed into a gilling machine and are wound in the sliver can after being stretched and combined, so that the first gilling is completed.
Step four: and (3) feeding 6-8 polyester wool tops subjected to first needle combing into the gilling machine again, drafting and merging the polyester wool tops, winding the polyester wool tops into a sliver can to finish second needle combing, directly forming a ball needle comb if the polyester wool tops subjected to second needle combing are uniformly mixed, performing third needle combing if the polyester wool tops are not uniform enough, and then forming the ball needle comb again to finish the production of the polyester wool tops.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (7)

1. The production process of the porous superfine terylene with different gray levels is characterized in that the production process comprises the following steps:
(1) the double-screw extruder B is used for mixing the white master batch and the black master batch and then carrying out melt extrusion, during spinning, part of the spinning positions are added with the master batch and are uniformly mixed, and part of the spinning positions are not added with the master batch;
(2) extruding a melt from a porous spinneret plate to form undrawn yarns, cooling the undrawn yarns by adopting circular blowing, drafting the undrawn yarns in a water bath at 50-80 ℃ at a draft multiple of 3.0-3.5 in an oil bath or steam for the second time, wherein the draft multiple is 1-1.5, and feeding the drafted polyester filaments into a coiler for curling;
(3) the crimped tows are directly fed into a cutting and slivering machine, the tows are stretch-cut into polyester wool tops, the stretch-cut polyester wool tops are not rolled into wool balls traditionally but are wound in a sliver can, 6-8 prepared polyester wool tops are simultaneously fed into a gilling machine, and are wound in the sliver can after being stretched and combined, so that the first gilling is completed;
(4) and (3) feeding 6-8 polyester wool tops subjected to first needle combing into the gilling machine again, drafting and merging the polyester wool tops, winding the polyester wool tops into a sliver can to finish second needle combing, directly forming a ball needle comb if the polyester wool tops subjected to second needle combing are uniformly mixed, and performing third needle combing if the polyester wool tops are not uniformly mixed, and then forming the ball needle comb.
2. The process for producing porous superfine terylene with different gray scales as claimed in claim 1, wherein the screw temperature of the twin-screw extruder is 265 ℃ and 295 ℃.
3. The process for producing porous superfine terylene according to claim 1, wherein the spinning positions are arranged in an ABABAB-like interval arrangement or an AAABBB arrangement.
4. The process for producing porous superfine terylene according to claim 1, wherein the black master batch is mixed with the white master batch to prepare the terylene tops with different gray scales, and the black master batch can be mixed with the white master batch to form the terylene tops with different colors by using master batches with other colors instead of spinning.
5. The process for producing porous ultrafine polyester fibers with different gray scales as claimed in claim 1, wherein the temperature for cooling and blowing is 25-30 ℃, and the spinning speed is 900-1300 m/min.
6. The process for producing porous superfine terylene according to claim 1, wherein the number of crimps of the terylene filament in the coiling machine is 12-20/25 mm, and the terylene filament is relaxed and heat-set at 110-130 ℃.
7. The production process of the porous superfine terylene with different gray scales as claimed in claim 1, wherein the length of the chopped short fiber main body is 65-90 mm.
CN201911410921.4A 2019-12-31 2019-12-31 Production process of porous superfine terylene with different gray levels Active CN111058098B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1789502A (en) * 2005-11-03 2006-06-21 太原理工大学 High-speed blended fiber-spinning process of nano composite antibacterial dacron POY
CN105862148A (en) * 2016-05-25 2016-08-17 浙江古纤道股份有限公司 Processing technology of veneer multi-difference polyester fiber
CN108221064A (en) * 2018-04-10 2018-06-29 江苏柯能新材料有限公司 A kind of apparatus for melt spinning for realizing masterbatch injection
CN108277634A (en) * 2018-01-29 2018-07-13 于美花 A kind of swimming suit fabric and its manufacturing process
KR20180085792A (en) * 2015-12-17 2018-07-27 킴벌리-클라크 월드와이드, 인크. The discoloration polymer material
CN108977928A (en) * 2018-07-04 2018-12-11 杭州奔马化纤纺丝有限公司 A kind of color polyester staple fibre of skin-core structure and preparation method thereof
CN109575504A (en) * 2017-09-29 2019-04-05 上海晋升塑料科技有限公司 A kind of ash Masterbatch and its preparation process

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1789502A (en) * 2005-11-03 2006-06-21 太原理工大学 High-speed blended fiber-spinning process of nano composite antibacterial dacron POY
KR20180085792A (en) * 2015-12-17 2018-07-27 킴벌리-클라크 월드와이드, 인크. The discoloration polymer material
CN105862148A (en) * 2016-05-25 2016-08-17 浙江古纤道股份有限公司 Processing technology of veneer multi-difference polyester fiber
CN109575504A (en) * 2017-09-29 2019-04-05 上海晋升塑料科技有限公司 A kind of ash Masterbatch and its preparation process
CN108277634A (en) * 2018-01-29 2018-07-13 于美花 A kind of swimming suit fabric and its manufacturing process
CN108221064A (en) * 2018-04-10 2018-06-29 江苏柯能新材料有限公司 A kind of apparatus for melt spinning for realizing masterbatch injection
CN108977928A (en) * 2018-07-04 2018-12-11 杭州奔马化纤纺丝有限公司 A kind of color polyester staple fibre of skin-core structure and preparation method thereof

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Denomination of invention: Production process of porous ultrafine polyester with different grayscale

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