CN107938063A - The production technology of the compound combined yarn of difference function two-component - Google Patents
The production technology of the compound combined yarn of difference function two-component Download PDFInfo
- Publication number
- CN107938063A CN107938063A CN201810000929.2A CN201810000929A CN107938063A CN 107938063 A CN107938063 A CN 107938063A CN 201810000929 A CN201810000929 A CN 201810000929A CN 107938063 A CN107938063 A CN 107938063A
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- China
- Prior art keywords
- polyamide fibre
- melting point
- low melting
- difference function
- component
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Classifications
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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
-
- 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
- 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
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- 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
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention discloses a kind of production technology of the compound combined yarn of difference function two-component, concrete technology is：Two sets of difference type screw extruders are inputted using dried 6 dry chip of low melting point polyamide fibre and 6 dry chip of polyamide fibre respectively and its device for spinning carries out melt spinning, 6 melt stream of low melting point polyamide fibre extruded respectively from two pieces of spinneret micropores and 6 melt stream of polyamide fibre, through each independent, the cross air blasting being separately provided is cooled and solidified with air duct diversion unit cooling device, two-component seal wire, drawing and setting obtains low melting point polyamide fibre 6FDY and polyamide fibre 6FDY, they are inputted to fiber stranding device and the compound mixed fibre of set composite at the same time again, coiling and molding one-step method production process technology, the compound combined yarn of difference function two-component is made.Product prepared by the present invention, has a different potential difference function performances, and more sucting wet air permeability, soft resilience be good, the good contour quality characteristic of bulkiness, has wide application field and Prospects of Sustainable Development.
Description
Technical field
The invention belongs to differential chemical fibre technical field, and in particular to a kind of compound combined yarn of difference function two-component
Production technology.
Background technology
In recent years, with the rapid development of science and technology, and the change of people's consumption idea, comfortable, high-grade, guarantor is pursued
Strong, nature etc. is into new fashion, and variation, functionalization occurs in the pursuit to dress ornament so that some fibres with novel capabilities
Dimension is generally favored be subject to consumer.But China's chemical fibre industry is remained in mainly to produce polyester fiber, polyamide fibre
The level of the conventional varieties such as dimension, there is such as product structure is single, routinize, homogeneous product excessive development problem it is particularly prominent
Go out, feature, fibre in differentiation product development and technological innovation there are wretched insufficiency, cause just we to be faced with Europe, the United States, day high
The block of added value and high-new Fypro production technology and the fierce challenge in product market, at the same also face surrounding countries and
The serious challenge in area.Therefore, accelerate high-performance, compound, functionalization, comfort type, super emulation, feature, fibre in differentiation,
The processing technology research and industrialization development of low-cost and high-performance Fypro have with high content of technology, added value high and exploitation
The good new product of market prospects, is the developing direction of current Fresh fats material primary study, has a vast market prospect and can
Space for sustainable development.
The content of the invention
It is an object of the invention to overcome above-mentioned limitation, so as to provide a kind of fine multilayer formed with specialty fibers group
Structural form, different potential difference function performance and more moisture absorption is breathed freely, soft resilience is good, bulkiness, anti-shrinkage, crease-resistant
The compound combined yarn of difference function two-component and its production technology of the good contour quality characteristic of conformality effect.
The purpose of the present invention is achieved through the following technical solutions：A kind of life of the compound combined yarn of difference function two-component
Production. art, concrete technology are：Dried 6 dry chip of low melting point polyamide fibre and 6 dry chip of polyamide fibre are inputted into two sets of difference types respectively
Screw extruder and its device for spinning carry out melt spinning, the low melting point polyamide fibre extruded respectively from two pieces of spinneret micropores
6 melt streams and 6 melt stream of polyamide fibre, through each independent, cross air blasting for being separately provided and air duct diversion unit cooling device into
Row cooling and solidifying, two-component seal wire, drawing and setting obtain low melting point polyamide fibre 6FDY and polyamide fibre 6FDY, then they are inputted simultaneously at the same time
Silk device and the compound mixed fine, coiling and molding of set composite, are made difference function two-component, i.e. low melting point polyamide fibre 6 and polyamide fibre 6 is compound
Combined yarn.
Preferably, the content ratio of 6 component of 6 component of low melting point polyamide fibre and polyamide fibre is 4:6.
Preferably, the fusing point of low melting point chinlon 6 section is 110 DEG C~120 DEG C, monomer and oligomer content≤2.0%,
The fusing point of 6 dry chip of polyamide fibre is 210 DEG C~220 DEG C, monomer and oligomer content≤2.0%.
Preferably, the spinning temperature of low melting point polyamide fibre 6 is 180 DEG C~190 DEG C, the spinning temperature of polyamide fibre 6 for 256 DEG C~
266℃。
Preferably, the spinneret micropore size where low melting point polyamide fibre 6 is the mm of 0.25mm~0.28, where polyamide fibre 6
Spinneret micropore size is the mm of 0.21mm~0.24, and two spinneret draw ratios are 1:3.0~1:4.0.
Preferably, low melting point polyamide fibre 6 cools down the cold air blast velocity setting m/s of 0.45 m/s of position~0.605, temperature 15 of drying
± 2 DEG C, polyamide fibre 6 cools down cold air blast velocity setting position 0.35m/s~0.55m/s, and 19 ± 2 DEG C of temperature of drying, blowing humidity is 80
±5%。
Preferably, 6 synnema of low melting point polyamide fibre and the sizing of 6 synnema of polyamide fibre difference drawn, compound coiling and molding, are made production
Product, compound winding speed are 3800~4100 m/min.
Using above-mentioned technical proposal, beneficial effects of the present invention have：
（1）The present invention uses dried 6 dry chip of low melting point polyamide fibre and 6 dry chip of polyamide fibre, inputs melt spinning, cooling respectively
Cure, compound coiling and molding one-step method production process technology after drawing and setting, prepare product, without useless in whole preparation process
Material produces, and has achieveed the purpose that clean manufacturing.
（2）The present invention, which prepares the compound combined yarn of difference function two-component, has different potential difference function performances, more
Tool sucting wet air permeability, soft resilience are good, the good contour quality characteristic of bulkiness, have wide application field.
（3）The technological process of production of the present invention is short, production capacity is big, recruitment is few, and energy consumption is low, comprehensive production cost is low, quality is high and
The advantages such as added value height, have good Prospects of Sustainable Development.
Brief description of the drawings
Fig. 1 is the flow chart of the present invention.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, is not intended to limit the scope of the present invention..
The equipment that the present invention uses includes screw extruder, static mixer, spinning manifold, metering pump, filament spinning component, spray
Filament plate, independent cross air blasting and air duct diversion unit cooling device, drawing and setting device, mixed fiber composite device and winding mechanism etc..
Embodiment 1：
The present embodiment provides one kind to use dried 6 dry chip of low melting point polyamide fibre and 6 dry chip of polyamide fibre, its content ratio is 4：6,
Two sets of difference type screw extruders are inputted respectively and device for spinning carries out the cross air blasting that melt spinning warp is each independent, is separately provided
Cooled and solidified, after two-component seal wire, drawing and setting with air duct diversion unit cooling device, then they are inputted to simultaneously silk at the same time
Device and compound mixed fine, the coiling and molding one-step method production process technology of set composite, prepare difference function two-component combined yarn
Method.
Specific production technology and condition are as follows：The spinning temperature of low melting point polyamide fibre 6 is 182 ± 2 DEG C, the spinning temperature of polyamide fibre 6
Spend for 260 ± 2 DEG C；Spinneret micropore size where low melting point polyamide fibre 6 be 0.25mm, the spinneret micropore hole at the place of polyamide fibre 6
Footpath is 0.21mm, and two spinneret draw ratios are 1:3.2；It is 0.55 m/s that low melting point polyamide fibre 6, which cools down cold air blast velocity, blowing temperature
15 ± 2 DEG C of degree, it is 0.45 m/s that polyamide fibre 6, which cools down cold air blast velocity, and 19 ± 2 DEG C of temperature of drying, blowing humidity is 80 ± 5%；It is compound
Winding speed is 3850m/min, prepares difference function two-component combined yarn, its fracture strength is 3.08cN/dtex, is broken
Elongation is split for 36.2%.
For the present invention since the fusing point of low melting point polyamide fibre 6, glass transition temperature and modulus are lower compared with polyamide fibre 6, when stretching, is required
Tensile stress is relatively more small.Using high speed low power three-level drawing process technical solution, i.e. the first draw roll uses low-temperature heat
Pre-stretching, high-speed stretch use on the second draw roll, and the 3rd stretching roller speed is stretched as supplement, its numerical value by residual stretch again
Count to adjust, residual stretch multiple general control is between 1.05~1.25.6 synnema of low melting point polyamide fibre is answered with 6 synnema of polyamide fibre
Control should be selected between -1.5%~2.5% by closing mixed fine input speed difference and its over feed rate(OFR).
Embodiment 2：
The present embodiment provides one kind to use dried 6 dry chip of low melting point polyamide fibre and 6 dry chip of polyamide fibre, its content ratio is 4：6,
Two sets of difference type screw extruders are inputted respectively and device for spinning carries out the cross air blasting that melt spinning warp is each independent, is separately provided
Cooled and solidified with air duct diversion unit cooling device, after two-component seal wire, drawing and setting obtain, then they are inputted simultaneously at the same time
Silk device and compound mixed fine, the coiling and molding one-step method production process technology of set composite, prepare difference function two-component combined yarn
Method.
Specific production technology and condition are as follows：The spinning temperature of low melting point polyamide fibre 6 is 185 ± 2 DEG C, the spinning temperature of polyamide fibre 6
Spend for 263 ± 2 DEG C；Spinneret micropore size where low melting point polyamide fibre 6 be 0.26mm, the spinneret micropore hole at the place of polyamide fibre 6
Footpath is 0.22mm, and two spinneret draw ratios are 1:3.4；It is 0.6 m/s that low melting point polyamide fibre 6, which cools down cold air blast velocity, blowing temperature
15 ± 2 DEG C of degree, it is 0.50 m/s that polyamide fibre 6, which cools down cold air blast velocity, and 19 ± 2 DEG C of temperature of drying, blowing humidity is 80 ± 5%；It is compound
Winding speed is 3920m/min, prepares difference function two-component combined yarn, its fracture strength is 3.2cN/dtex, is broken
Elongation is split for 37.4%.
Embodiment 3：
The present embodiment provides one kind to use dried 6 dry chip of low melting point polyamide fibre and 6 dry chip of polyamide fibre, its content ratio is 4：6,
Two sets of difference type screw extruders are inputted respectively and device for spinning carries out the cross air blasting that melt spinning warp is each independent, is separately provided
Cooled and solidified with air duct diversion unit cooling device, after two-component seal wire, drawing and setting obtain, then they are inputted simultaneously at the same time
Silk device and compound mixed fine, the coiling and molding one-step method production process technology of set composite, prepare difference function two-component combined yarn
Method.
Specific production technology and condition are as follows：The spinning temperature of low melting point polyamide fibre 6 is 188 ± 2 DEG C, the spinning temperature of polyamide fibre 6
Spend for 265 ± 2 DEG C；Spinneret micropore size where low melting point polyamide fibre 6 be 0.27mm, the spinneret micropore hole at the place of polyamide fibre 6
Footpath is 0.24mm, and two spinneret draw ratios are 1:3.8；It is 0.65 m/s that low melting point polyamide fibre 6, which cools down cold air blast velocity, blowing temperature
15 ± 2 DEG C of degree, it is 0.55 m/s that polyamide fibre 6, which cools down cold air blast velocity, and 19 ± 2 DEG C of temperature of drying, blowing humidity is 80 ± 5%；It is compound
Winding speed is 3950m/min, prepares difference function two-component combined yarn, its fracture strength is 3.11cN/dtex, is broken
Elongation is split for 36.8%.
Claims (7)
1. a kind of production technology of the compound combined yarn of difference function two-component, it is characterised in that concrete technology is：After dry
6 dry chip of low melting point polyamide fibre and 6 dry chip of polyamide fibre input two sets of difference type screw extruders and its device for spinning respectively and carry out
Melt spinning, 6 melt stream of low melting point polyamide fibre extruded respectively from two pieces of spinneret micropores and 6 melt stream of polyamide fibre,
Cooled and solidified, two-component seal wire, stretched through each cross air blasting and air duct diversion unit cooling device independent, be separately provided
Sizing obtains low melting point polyamide fibre 6FDY and polyamide fibre 6FDY, then they are inputted to fiber stranding device and the compound mixed fine, volume of set composite at the same time
Around shaping one-step method production process technology.
2. the production technology of the compound combined yarn of difference function two-component according to claim 1, it is characterised in that：It is described
The content ratio of 6 component of 6 component of low melting point polyamide fibre and polyamide fibre is 4:6.
3. the production technology of the compound combined yarn of difference function two-component according to claim 1, it is characterised in that：It is described
The fusing point of low melting point chinlon 6 section is 110 DEG C~120 DEG C, monomer and oligomer content≤2.0%, 6 dry chip of polyamide fibre
Fusing point is 210 DEG C~220 DEG C, monomer and oligomer content≤2.0%.
4. the production technology of the compound combined yarn of difference function two-component according to claim 1, it is characterised in that：Eutectic
The spinning temperature of point polyamide fibre 6 is 180 DEG C~190 DEG C, and the spinning temperature of polyamide fibre 6 is 256 DEG C~266 DEG C.
5. the production technology of the compound combined yarn of difference function two-component according to claim 1, it is characterised in that：Eutectic
For the mm of 0.25mm~0.28, the spinneret micropore size where polyamide fibre 6 is for spinneret micropore size where point polyamide fibre 6
The mm of 0.21mm~0.24, two spinneret draw ratios are 1:3.0~1:4.0.
6. the production technology of the compound combined yarn of difference function two-component according to claim 1, it is characterised in that：From spray
The melt stream extruded in filament plate with air duct diversion unit cooling device cool down admittedly by the cross air blasting being separately provided respectively
Change, low melting point polyamide fibre 6 cools down cold air blast velocity as the m/s of 0.45 m/s~0.65,15 ± 2 DEG C of temperature of drying, the cooling blowing of polyamide fibre 6
Speed is the m/s of 0.35 m/s~0.55, and 19 ± 2 DEG C of temperature of drying, blowing humidity is 80 ± 5%.
7. the production technology of the compound combined yarn of difference function two-component according to claim 1, it is characterised in that：It is described
6 synnema of low melting point polyamide fibre and the sizing of 6 synnema of polyamide fibre difference drawn, compound coiling and molding, are made product, wherein low melting point polyamide fibre
6 synnemas use high speed low power three-level stretching technique, and compound winding speed is 3800~4200 m/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810000929.2A CN107938063A (en) | 2018-01-02 | 2018-01-02 | The production technology of the compound combined yarn of difference function two-component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810000929.2A CN107938063A (en) | 2018-01-02 | 2018-01-02 | The production technology of the compound combined yarn of difference function two-component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554798A (en) * | 2018-11-07 | 2019-04-02 | 午和（江苏）差别化纤维有限公司 | A kind of high adsorbability fiber preparation method of two-component groove structure |
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| CN1338011A (en) * | 1999-01-25 | 2002-02-27 | 帝人株式会社 | Method for producing polyester-based combined filament yarn |
| CN1675419A (en) * | 2002-08-10 | 2005-09-28 | 苏拉有限及两合公司 | Method and apparatus for spinning and texturing a multifilament composite yarn |
| CN201864843U (en) * | 2010-11-24 | 2011-06-15 | 徐州斯尔克差别化纤维科技有限公司 | Device for producing double-component different-shrinkage super-fine-denier blending filaments by one-step process |
| CN202090120U (en) * | 2011-03-28 | 2011-12-28 | 徐州斯尔克差别化纤维科技有限公司 | Device for producing differently-shrinking combined filament yarns with one-step method |
| CN103088500A (en) * | 2013-01-15 | 2013-05-08 | 东华大学 | One-step preparation method and device of fully drawn yarn (FDY) or FDY differential shrinkage combined filament yarn |
| CN104032408A (en) * | 2014-05-23 | 2014-09-10 | 苏州大学 | Different-shrinkage polyamide 6POY/FDY (Polyester Pre-Oriented Yarn/Fully Drawn Yarn) composite fiber and preparation method thereof |
| CN105803600A (en) * | 2016-05-13 | 2016-07-27 | 东华大学 | Multi-differential shrinkage combined filament yarn preparation device and method |
-
2018
- 2018-01-02 CN CN201810000929.2A patent/CN107938063A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338011A (en) * | 1999-01-25 | 2002-02-27 | 帝人株式会社 | Method for producing polyester-based combined filament yarn |
| CN1675419A (en) * | 2002-08-10 | 2005-09-28 | 苏拉有限及两合公司 | Method and apparatus for spinning and texturing a multifilament composite yarn |
| CN201864843U (en) * | 2010-11-24 | 2011-06-15 | 徐州斯尔克差别化纤维科技有限公司 | Device for producing double-component different-shrinkage super-fine-denier blending filaments by one-step process |
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| CN103088500A (en) * | 2013-01-15 | 2013-05-08 | 东华大学 | One-step preparation method and device of fully drawn yarn (FDY) or FDY differential shrinkage combined filament yarn |
| CN104032408A (en) * | 2014-05-23 | 2014-09-10 | 苏州大学 | Different-shrinkage polyamide 6POY/FDY (Polyester Pre-Oriented Yarn/Fully Drawn Yarn) composite fiber and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554798A (en) * | 2018-11-07 | 2019-04-02 | 午和（江苏）差别化纤维有限公司 | A kind of high adsorbability fiber preparation method of two-component groove structure |
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Application publication date: 20180420 |