CN105926062A - Self-crimping composite filament and processing process thereof - Google Patents
Self-crimping composite filament and processing process thereof Download PDFInfo
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- CN105926062A CN105926062A CN201610353402.9A CN201610353402A CN105926062A CN 105926062 A CN105926062 A CN 105926062A CN 201610353402 A CN201610353402 A CN 201610353402A CN 105926062 A CN105926062 A CN 105926062A
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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
- D01D5/34—Core-skin structure; Spinnerette packs therefor
-
- 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
- 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
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
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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)
- Manufacturing & Machinery (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention relates to a self-crimping composite filament and a processing process thereof and belongs to the technical field of fiber production. PBT (polybutylene terephthalate) and a polymer, to which master batches with a composite function are added, are taken as skin layer components, a PBT TPEE (thermoplastic polyester elastomer) is taken as a core layer component, the components are subjected to melt extrusion by a screw extruder respectively, an extruded product enters dual-component composite spinning equipment and skin-core eccentrically composited spinning holes, the sprayed melt is subjected to cooling, oiling, heat setting and winding, and the self-crimping composite filament with ultraviolet-resistant, antistatic and antibacterial combined functions is prepared. The self-crimping composite filament is applied to fields of top-grade elastic fabric, home textile products and the like, and a composite filament product has advantages of good self-crimping property, optimal elastic elongation and elastic recovery performance and the like.
Description
Technical field
The present invention relates to a kind of from curling bicomponent filament yarn and processing technique thereof, belong to fiber generation technique field.
Background technology
Self-crimping fiber is also referred to as 3-D crimped fiber, mainly includes two kinds of modes of production: one is to pass through particular design
Spinneret orifice and Asymmetrical cooling mode produce one pack system 3-D crimped fiber；Two is to be combined by arranged side by side or core shift
Mode produce bi-component 3-D crimped fiber.The latter, owing to elastic stability is good, product variety enriches, becomes
The mode of production currently mainly.
Arranged side by side or that core shift is compound mode produces bi-component three-dimensional crimp elastic fiber, mainly by two kinds of structures
Or the polymer that performance is different, by parallel, intersect, be coated with or other arrangement mode, and axially multiple along fiber
Conjunction forms.Owing to structure or the performance of two kinds of polymer are different, the composite fibre obtained is being heated or the work of stress
Under with, produce spiral helicine curling because of the difference of its shrinkage factor, become a kind of self-crimping fiber, be widely used in
Imitative hair and the exploitation of elastic fabric.Wherein three-dimensional crimp long filament is also widely used for clothing, home textile, automobile decoration
The packing material of articles for use.
Parallel type is very fast from curling composite fibre technology of preparing development, and conventional compounding ingredients mainly has
PET/PTT, PET/PBT, PTT/PBT and the PET1/PET2 etc. of different molecular weight.Wherein can also be
Polymer adds pigment, function modified material etc., it is achieved the production of composite fibre coloured, function modified.Fine
, in addition to semicircle is compound side by side, also there is other cross section in dimension cross section, as compound in core-skin core shift, platypelloid type, dumbbell
Type etc..
Application number CN201510063761.6 discloses " the high resiliency hollow long stapled manufacturer of wool type polyester
Method ", with PET and PTT as raw material, by c-type spinneret orifice, prepare high resiliency hollow wool type polyester length fine
Dimension bundle；Application number CN201510062799.1 disclose " a kind of mechanical curling PTT/PET side by side compound from
The production method of curling bicomponent filament yarn ", with PET and PTT as raw material, multiple by the special Large Copacity dual pathways
Closing filament spinning component, prepared PTT-PET is compound from crimping bicomponent filament yarn side by side.Application number CN200610118440.2
Disclose " preparation method and application of a kind of PBT/PET 3-D crimped fiber ", with PBT/PET as raw material,
Prepare three-dimensional crimp long filament.These technology are all by system in the way of being combined side by side by PET Yu PBT or PTT
, although have preferable crimp property, but because PET component lacks flexibility, so the elastic elongation of fiber and
Elastic restoration ratio is not enough.
Application number CN200910101099.3 discloses " the preparation side of dyeable polyester composite fiber of cationic dye
Method ", with add Third monomer SIPE cation dyeable polyester as core, add Third monomer SIPE and the 4th
The cationic chromophilous polyester of monomer PEG is skin, by the way of core-sheath, obtain dyeability excellent,
The fur self-crimped filament yarn that lodging resistance is good.But its polymer is still PET modification gained, equally exists
State problem.
Based on this, make the application.
Summary of the invention
For the deficiencies in the prior art, this application provides a kind of functional from the processing work crimping bicomponent filament yarn
Skill, this technique is with polybutylene terephthalate (PBT) (PBT) and adds the polymer of composite functional agglomerate as skin
Layer component, polybutylene terephthalate (PBT) based thermoplastic elastomer (TPEE) are sandwich layer component, prepare tool
Have uvioresistant, antistatic and antibacterial complex function crimps bicomponent filament yarn certainly.
For achieving the above object, the technical scheme that the application takes is as follows:
A kind of processing technique from curling bicomponent filament yarn, with polybutylene terephthalate (PBT) (PBT) and interpolation
The polymer of composite functional agglomerate is cortex component, polybutylene terephthalate (PBT) based thermoplastic elastomer
(TPEE) it is sandwich layer component, melt extrudes through screw extruder respectively, enter double-component composite spinning equipment
And core-skin core shift is combined spinneret orifice, the melt of ejection, cooled, oil, boundling, drawing-off, cut-out, heat are fixed
The spinning after-processing technology of type, prepares and has the compound long from curling of uvioresistant, antistatic and antibacterial complex function
Silk.
Main technical process and technical parameter include:
(1) raw material
1. PBT: intrinsic viscosity 1.0 ± 0.010dl/g, fusing point is 225 DEG C, and dry section moisture content is less than 50ppm；
2. TPEE: be to add the thermoplastic elastomer (TPE) that polytetramethylene glycol (PTMG) is prepared, characteristic in PBT
Viscosity is 1.1 ± 0.010dl/g, and fusing point is 200～205 DEG C, and dry section moisture content is less than 50ppm；
3. functional agglomerate: containing uvioresistant, antistatic and the master batch of antibacterial complex function, effective ingredient 20-30%,
Functional agglomerate addition 2～8% in cortex, master batch moisture content is less than 100ppm.Model: LZN, by Suzhou
Parkson fiber master batch company limited produces.
(2) spinneret orifice: core-skin bias is combined, hole count 24-48 hole.A diameter of cortical diameter of its center core layer
2/3, and between sandwich layer and cortex, beeline is the 1/10 of cortical diameter.
(3) composite spinning
Cortex is 40～60:60～40 with the compound ratio of sandwich layer, screw rod each district temperature 250～270 DEG C, spinning
Spin manifold temperature 270～280 DEG C, cross air blasting wind speed 0.4～0.6m/s；First hot-rolling speed 2200～2600m/min,
Temperature 70-90 DEG C；Second hot-rolling speed 3800-4200m/min, temperature 120-140 DEG C；Oil applying rate 0.8-1.0%.
Use and certainly crimp bicomponent filament yarn prepared by above-mentioned technique, fiber dimensious 100～200dtex/24～48f,
It is made up of cortex, sandwich layer and functional particles, described cortex and sandwich layer eccentric setting, and functional particles is distributed in
On cortex.
The operation principle of the present invention and having the beneficial effect that:
(1) the application is with polybutylene terephthalate (PBT) (PBT) and the polymerization of interpolation composite functional agglomerate
Thing be cortex component, polybutylene terephthalate (PBT) based thermoplastic elastomer (TPEE) be sandwich layer component,
Melt extrude through screw extruder respectively, enter double-component composite spinning equipment and core-skin core shift is combined spinneret orifice,
Ejection melt, cooled, oil, boundling, drawing-off, cut-out, the spinning after-processing technology of thermal finalization, system
Must have uvioresistant, antistatic and antibacterial complex function crimps bicomponent filament yarn certainly, it is achieved thereby that PBT,
TPEE is the skin-core structure long filament of main component.
(2) fiber prepared by the application is because have employed PBT and TPEE with superior elasticity, and passes through
The mode of core-sheath prepares, and not only has the crimp property of conventional self-crimping fiber, also has excellent elasticity
Percentage elongation and elastic recovery properties；In cortex, add composite functional agglomerate simultaneously, make product also have uvioresistant,
Antistatic and antibacterial complex function；Finally because only functional agglomerate need to be added in cortex, make addition reduce,
Cost reduces, and spinning properties is greatly improved
(3) in the production of self-crimping fiber, the selection of two kinds of polymer and the design of fibre section are to prepare
There is high crimp property and the key of elastic restoration ratio fiber.In the finished product filament structure that the application is formed, by
Being the part most to outer contacting in cortex, sandwich layer then plays the effect of skeleton, and in the application, cortex uses
PBT, and make functional particles be distributed only in cortex, sandwich layer uses thermoplastic elastomer (TPE), cortex imparting is set
While long filament favorable elasticity, it is allowed to have had concurrently uvioresistant, antistatic and the complex function such as antibacterial, setting of sandwich layer
Putting and ensure that long filament has good elastic return, long filament entirety embodies good elastic extension and elasticity is extensive
Renaturation energy.
(4) the application is while meeting its Functional Requirement, only arranges functional particles in cortex, makes to add
Dosage reduces, and cost reduces；Meanwhile, the addition of functional particles typically can affect melt spinnability, and this
In application, control the section water content of PBT, based on cortex relative to being relatively large in diameter of sandwich layer, spinning process
In the case of middle relative requirement is less, the existence of functional particles does not interferes with its spinnability, therefore overall spinning properties
Being greatly improved, product can be applicable to the production of high-grade elastic fabric, home textile product etc..
Accompanying drawing explanation
Fig. 1 is the spinneret sectional view of long filament prepared by the application；
Fig. 2 is the work flow schematic diagram of the application.
Wherein label: 1. cortex；2. sandwich layer；3. functional particles.
Detailed description of the invention
The application is using PBT as the main material of cortex 1, TPEE as the main material of sandwich layer 2, and PBT section is crystallized dry
After dry-1, add composite functional agglomerate, send into after screw extruder-1 melt extrudes, send into through dosing pump-1 double
Component composite component, meanwhile, after TPEE section crystallized dry-2, after feeding screw extruder-2 melt extrudes,
Double-component composite component is sent into, after both complete eccentric being combined in double-component composite component, through side through dosing pump-2
Quenching → oil → first hot-rolling → the second hot-rolling → FDY winding forms finished product, and concrete work flow sees Fig. 2
Shown in.
Above-mentioned technique forms eccentric sheath cored structure as shown in Figure 1, and in this eccentric structure, both are horizontally and vertically
Axis on direction is the most overlapping, and composite functional agglomerate forms functional particles 3 in cortex 1, plays functional agglomerate
Effect, give fibre antibacterial, antistatic and uvioresistant function.
Below in conjunction with the annotation explanation being embodied as case and carrying out technical scheme.
Embodiment 1
A kind of processing technique from curling bicomponent filament yarn of the present embodiment, the intrinsic viscosity of PBT is (by GB/T
14190-2008, detects as solvent with sym-tetrachloroethane 1:1 with phenol) 1.00dl/g, fusing point 225 DEG C,
Dry aqueous dose rate of cutting into slices is less than 50ppm, screw rod each district temperature 250～270 DEG C；The intrinsic viscosity of TPEE (is pressed
GB/T 14190-2008, detects as solvent with sym-tetrachloroethane 1:1 with phenol) 1.10dl/g, fusing point 200 DEG C,
Dry section moisture content is less than 50ppm, screw rod each district temperature 250～270 DEG C.
The compound ratio of PBT with TPEE is 40:60 (mass percent, lower same), functional agglomerate addition 2%,
Spinning body temperature 270 DEG C, cross air blasting wind speed 0.4m/s；First hot-rolling spinning speed 2000m/min, temperature
Spend 70 DEG C；Second hot-rolling speed 4000m/min, temperature 100 DEG C.
Curling bicomponent filament yarn specification 100dtex/24f certainly prepared by above-mentioned technique.
Embodiment 2
The present embodiment is identical with the setting of embodiment 1 and operation principle, and difference is: the intrinsic viscosity of TPEE
1.10dl/g, fusing point 203 DEG C, dry section moisture content is less than 50ppm, screw rod each district temperature 250～270 DEG C.
The compound ratio of PBT with TPEE is 50:50, functional agglomerate addition 4%, spinning body temperature 275 DEG C,
Cross air blasting wind speed 0.5m/s；First hot-rolling spinning speed 2200m/min, temperature 80 DEG C；Second hot-rolling speed
4200m/min, temperature 110 DEG C.
Curling bicomponent filament yarn specification 150dtex/36f certainly that above-mentioned technique is formed.
Embodiment 3
The present embodiment is identical with the setting of embodiment 1 and operation principle, and difference is: the intrinsic viscosity of TPEE
1.10dl/g, fusing point is 205 DEG C, and dry section moisture content is less than 50ppm, screw rod each district temperature 250～270 DEG C.
The compound ratio of PBT with TPEE is 60:40, functional agglomerate addition 6%, spinning body temperature 280 DEG C,
Cross air blasting wind speed 0.6m/s；First hot-rolling spinning speed 2400m/min, temperature 90 DEG C；Second hot-rolling speed
4400m/min, temperature 120 DEG C.
Curling bicomponent filament yarn specification 200dtex/48f certainly that above-mentioned technique is formed.
Embodiment 4
The present embodiment is identical with the setting of embodiment 1 and operation principle, and difference is: the intrinsic viscosity of TPEE
1.10dl/g, fusing point is 205 DEG C, and dry section moisture content is less than 50ppm, screw rod each district temperature 250～270 DEG C.
The compound ratio of PBT with TPEE is 50:50, functional agglomerate addition 8%, spinning body temperature 280 DEG C,
Cross air blasting wind speed 0.6m/s；First hot-rolling spinning speed 2400m/min, temperature 90 DEG C；Second hot-rolling speed
4400m/min, temperature 120 DEG C.
Curling bicomponent filament yarn specification 200dtex/48f certainly that above-mentioned technique is formed.
Comparative example
This comparative example is identical with the setting of embodiment 1 and operation principle, and difference is: sandwich layer is conventional PET,
Intrinsic viscosity 0.68dl/g, fusing point 260 DEG C, dry section moisture content less than 50ppm, screw rod each district temperature 270～
290℃。
The compound ratio of PBT with PET is 50:50, functional agglomerate addition 4%, spinning body temperature 295 DEG C,
Cross air blasting wind speed 0.5m/s；First hot-rolling spinning speed 2200m/min, temperature 80 DEG C；Second hot-rolling speed
4200m/min, temperature 110 DEG C.
Curling bicomponent filament yarn specification 150dtex/36f certainly that above-mentioned technique is formed.
By the long filament prepared by above-described embodiment by " FZ/T 54077-2014 three-dimensional crimp polyester drawn yarns " and
" GB/T-14342 ratio resistance test method " carries out the test of physical property, referring specifically to shown in table 1.
The main preparation technology of table 1 and fibrous physics index
In conjunction with the contrast of above-described embodiment and table 1 it can be seen that the application is with polybutylene terephthalate (PBT)
(PBT) and add composite functional agglomerate polymer be cortex component, polybutylene terephthalate (PBT) system heat
Thermoplastic elastic (TPEE) is sandwich layer component, melt extrudes through screw extruder respectively, enters double-component and is combined
Spinning equipment and core-skin core shift composite spining module, the melt of ejection, cooled, oil, the first hot-rolling,
Two hot-rollings, the spinning technique of winding, prepare and have the multiple from curling of uvioresistant, antistatic and antibacterial complex function
Close long filament.
The elongation at break of this fiber and fracture strength have all reached relevant standard-required, meanwhile, because have employed
There is PBT and TPEE of superior elasticity, and prepare by the way of core-skin core shift is compound, not only there is routine
The crimp property of self-crimping fiber, also has excellent elastic extension and elastic recovery properties；Simultaneously at cortex
Middle interpolation composite functional agglomerate, makes product also have uvioresistant, antistatic and antibacterial complex function；Finally because of
Only need to add functional agglomerate in cortex, make addition minimizing, cost reduce, and spinning properties is greatly improved.
Product can be used for the production of high-grade elastic fabric, home textile product etc..
Above content is that the preferred implementation combining the invention is entered one to what provided technical scheme made
Step describes in detail, it is impossible to assert that the invention is embodied as being confined to these explanations above-mentioned, for the present invention
For creating person of an ordinary skill in the technical field, without departing from the concept of the premise of the invention, also
Some simple deduction or replace can be made, all should be considered as belonging to the protection domain of the invention.
Claims (6)
1. the processing technique from curling bicomponent filament yarn, it is characterized in that: with polybutylene terephthalate (PBT) and add the polymer of composite functional agglomerate be cortex component, polybutylene terephthalate (PBT) based thermoplastic elastomer is for sandwich layer component, melt extrude through screw extruder respectively, enter many components composite spinning equipment and core-skin bias is combined spinneret orifice, the melt of ejection is cooled, oil, the first hot-rolling sizing, wind after the second hot-rolling sizing, prepare there is uvioresistant, antistatic and antibacterial complex function certainly crimp bicomponent filament yarn.
It is a kind of from the processing technique crimping bicomponent filament yarn, it is characterised in that: described polybutylene terephthalate (PBT) intrinsic viscosity 1.0 ± 0.010 dl/g, fusing point 225 DEG C, section water content is less than 50 ppm.
A kind of from the processing technique crimping bicomponent filament yarn, it is characterized in that: described polybutylene terephthalate (PBT) based thermoplastic elastomer is to be prepared by interpolation polytetramethylene glycol in PBT, its intrinsic viscosity 1.1 ± 0.010 dl/g, fusing point 200～205 DEG C, section water content is less than 50
ppm。
A kind of from the processing technique crimping bicomponent filament yarn, it is characterized in that: described composite functional agglomerate is containing uvioresistant, antistatic and the master batch of antibacterial complex function, its effective ingredient 25 %, moisture content is less than 100 ppm, composite functional agglomerate addition 2～8 % in cortex.
A kind of from the processing technique crimping bicomponent filament yarn, it is characterized in that, described eccentric composite spinning technology is: cortex is 40～60:60～40 with the compound ratio of sandwich layer, screw rod each district temperature 250～270 DEG C, spinning body temperature 270 ~ 280 DEG C, cross air blasting wind speed 0.6 ~ 1.0 m/s；First hot-rolling speed 2200～2600 m/min, temperature 70-90 DEG C；Second hot-rolling speed 3800-4200 m/min, temperature 120-140 DEG C；Oil applying rate 0.8-1.0 %.
6. what prepared by the processing technique as described in any one of claim 1-5 crimps bicomponent filament yarn certainly, it is characterised in that: described is 100～200 from crimping bicomponent filament yarn specification
Dtex/24 ~ 48f, is made up of cortex, sandwich layer and functional particles, described cortex and sandwich layer eccentric setting, and functional particles is distributed on cortex.
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Cited By (7)
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| CN107964690A (en) * | 2017-12-29 | 2018-04-27 | 苏州扬昇纺织科技有限公司 | A kind of production technology of PBT/PET two ingredient elastics composite fibre |
| CN110257937A (en) * | 2019-06-24 | 2019-09-20 | 绍兴诚邦高新纤维科技有限公司 | A kind of curling bicomponent filament yarn and its processing technology certainly |
| CN111270344A (en) * | 2020-04-03 | 2020-06-12 | 绍兴天普纺织有限公司 | Preparation process of spiral yarn |
| CN111379037A (en) * | 2020-04-23 | 2020-07-07 | 罗莱生活科技股份有限公司 | Skin care fiber and preparation method and application thereof |
| CN112981962A (en) * | 2021-02-07 | 2021-06-18 | 杭州易川塑业有限公司 | Polyester covered yarn, preparation method thereof and high-fatigue-resistance mesh cloth |
| CN113151913A (en) * | 2021-05-03 | 2021-07-23 | 晋江市成东纺织有限公司 | Bi-component composite monofilament and preparation method thereof |
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Application publication date: 20160907 |