CN108239794A - A kind of hollow long fibre of polyester - Google Patents
A kind of hollow long fibre of polyester Download PDFInfo
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- CN108239794A CN108239794A CN201611205849.8A CN201611205849A CN108239794A CN 108239794 A CN108239794 A CN 108239794A CN 201611205849 A CN201611205849 A CN 201611205849A CN 108239794 A CN108239794 A CN 108239794A
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- hollow
- polyester
- fluffy
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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
- D01D5/24—Formation of filaments, threads, or the like with a hollow 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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- 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
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
-
- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
-
- 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]
-
- 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
- D10B2505/00—Industrial
- D10B2505/06—Packings, gaskets, seals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention discloses a kind of hollow long fibre of polyester, cross section degree of hollowness is 20.0%~45.0%, and the long fibre is the curly form of 3 D stereo in its natural state, and the radius of curvature of curly form is 10mm~50mm.The fluffy processing tow processed using the hollow long fibre of the polyester, fluffy degree is high, soft, is suitble to be used as the long cotton of filling.
Description
Technical field
The present invention relates to a kind of polyester long fibre of hollow, crimped shape, suitable for making filling with long cotton.
Background technology
Usually by the feather natural feather of palmipeds in textile industry, such as goose down, duck's down etc. are filled in eiderdown quilt, sleeping bag and each
In the product of kind warming.The bird flu occurred in world wide causes the yield of natural feather drastically to decline, so as to cause price
Rise.To the safety of natural feather there is also doubt, natural feather can cause to dislike consumer if washing is insufficient simultaneously
It is smelly, it is therefore desirable to the dirt for leading to stench be removed in advance, keep the cleanliness factor of feather.And duvet, feather jacket etc.
The problem of product are also there is being difficult to wash is filled and presented in feather.
For this purpose, insider, which is dedicated to research and utilization synthetic fibers, replaces filling animal natural feather.Chinese patent
CN186187A discloses a kind of down-like cotton of staple fiber type, but the fluffy degree of staple fiber filling cotton is not high, the heat preservation made
There are granular sensation during the touch of material, while easily shift during the washing of staple fiber type down-like cotton.Therefore, there is an urgent need to open
Packing material that send out a kind of novel replaces natural feather.Polyester fiber is easy to produce while has the advantages that cheap, and exploitation is poly-
The packing material of ester system has good market prospects.
Invention content
The purpose of the present invention is to provide a kind of hollow long fibres of polyester of curly form with 3 D stereo, are suitable for
Filling is made with long cotton.
The hollow long fibre of polyester of the present invention, the degree of hollowness of cross section is 20.0%~45.0%, and the polyester is hollow long fine
Dimension is the curly form of 3 D stereo in its natural state, and the radius of curvature of curly form is 10mm~50mm.
The hollow long fibre of polyester of the present invention, filament number is preferably 4.0dtex~15.0dtex, more preferably
5.0dtex~10.0dtex.
The hollow long fibre of polyester of the present invention is still the curl shape of 3 D stereo after 160 DEG C × 3min dry heat treatments
Shape, and the radius of curvature of rolled state is 3.5mm~10mm.
The hollow long fibre of polyester of the present invention, polymer raw material is polyethylene terephthalate, poly- terephthaldehyde
Acid propylene glycol ester, polybutylene terephthalate (PBT) or theirs is polymer-modified.
The hollow long fibre of polyester of invention is made by the technique of melt spinning, have produce it is simple, at low cost excellent
Gesture, and the coiled structure with 3 D stereo, suitable for being processed into the fluffy processing tow that can be used as filling long cotton and used.
Description of the drawings
Fig. 1 is the hollow long stapled triangular hollow cross-sectional shape figure of polyester.
Fig. 2 is the hollow long stapled quadrangle hollow cross sectional shape figure of polyester.
Fig. 3 is the curly form figure of the 3 D stereo of the hollow long fibre of polyester in its natural state.
Specific embodiment
In order to develop a kind of filler that can substitute natural feather, it is suitble to be processed into fluffy processed filament the present invention provides one kind
The hollow long fibre of polyester of beam.Since the doughnut has the structure feature of the curly form of 3 D stereo, gained is processed
Fluffy processing tow also has 3-D solid structure, therefore it is excellent to obtain bulkiness with regard to big for the excluded volume of fluffy tow
Fluffy processing tow.Can into fine polymer, the Young's modulus of polyester fiber in contrast but belong to high, so system
The fluffy processing tow obtained has good resistance to pressure and recovery.
The hollow long fibre of polyester of the present invention is by doughnut made from melt spinning technology.The polyester slice of melting
It is spued, is then batched after side-blown air cooling obtained by Special hollow spinneret.By adjusting side during melt spinning
The position change cooling distance of blowing adjusts the conditions such as wind speed, the spinning speed of cross air blasting to control the degree of hollowness of doughnut
In the range of 20.0%~45.0%, while the radius of curvature of 3 D stereo curly form is in the range of 10mm~50mm.Identical fibre
The doughnut of diameter is tieed up compared with middle real fiber, degree of hollowness is higher, and light weight sense is more apparent.High degree of hollowness fiber system is used simultaneously
Fluffy processed filament fluffy degree it is higher.If the radius of curvature of the doughnut is too small, the coherent between fibre single thread
Height, fiber is not easy fibrillation in fluffy silk process, and the diameter of annulus that fiber is formed is less than normal, influences to process tow
Bulkiness；Conversely, the crimp radius of fiber too greatly, is processed into fibroplastic circle diameter mistake after fluffy processing tow
Greatly, it can weaken or can not embody the three-dimensional stereo effect of sheath fiber script, can also influence to process the bulkiness of tow.
According to hollow spinneret plate discharge hole shape, the change of the difference and production technology of arrangement, obtained hollow fibre
The section of dimension is also slightly different, and the shape of hollow space has circle, subtriangular, approximating square, approximate pentagon etc.
Different shapes, while the hole count on hollow section is not only limited in a hole.
The long stapled filament number degree of hollow polyester of the present invention ranges preferably from 4.0dtex~15.0dtex, as fluffy
The raw fibre of pine processing tow, fibre single thread fiber number is higher, better, the fluffy degree of manufactured fluffy tow of rigidity of fiber
Can be better, while resistance to pressure, recovery also can be better.But if monfil diameter is excessively thick, cooling and fine during spinning
The homogeneity of dimension is declined, while manufactured fluffy tow feel can be partially hard.So more preferably ranging from 5.0dtex~
10.0dtex。
The long stapled raw material of hollow polyester of the present invention is mainly common polyester, such as polyethylene terephthalate
Ester, polypropylene terephthalate and polybutylene terephthalate (PBT), in order to assign fluffy processed filament special function,
The modified copolymer of above-mentioned polymer, such as polymer of antibiosis anti-acarien modification etc. can be used, also can in fluffy aspect of performance
Reach the same effect of conventional polyester.
Hollow polyester long fibre can be that direct N roots merge as filling one of raw material of fluffy processing tow is made
Fluffy processing tow is formed to be directly used as filling long cotton or with other raw materials merging using, such as can be with fusing point
Combined yarn is made in slightly lower fiber, is then used as filling long cotton；Or further combined yarn is grown again with hollow polyester fine
Dimension carries out the compound part that carries out again of core sheath and melts the obtained superior fluffy processing tow of processing, is then used as filling long cotton.
The hollow polyester long fibre of the present invention is still crimped after 160 DEG C × 3min dry heat treatments as three-dimensional shape,
And the crimp radius of rolled state is 3.5mm~10mm.In this case, the working process even through road later, hollow polyester
Long fibre still can keep fluffy 3 D stereo curly form, and feel, bulkiness, heat insulating ability etc. is had excellent performance.
The hollow long fibre of long fibre polyester of the present invention can be prepared via a method which to obtain, but be not limited to the party
Method：
First, Starting Material Polyester slice is dried so that the moisture content of polyester slice reduces, and improves spinnability, control slice
Moisture rate in below 50ppm.Dried slice carries out spinning by way of general melt spinning.By screw rod or
Hot plate is, by piping mode of entrance babinet, melt polymers enter spinning after metering pump accurate measurement after slice melting
Component, the spinneret used in filament spinning component are the dedicated spinneret of hollow fiber spinning.The polymer warp to spue from spinneret
Supercooling is batched after oiling.There is the doughnut of micro- curling in order to obtain, to cooling distance in spinning process（Spinneret
Plate lower edge is to the cooling distance of cross air blasting upper edge）Have compared with strict requirements, general control is excellent in the range of 10mm~150mm
It selects in the range of range 20mm~100mm.Simultaneously in order to which the construction of doughnut both sides is made to form difference, the wind speed of cross air blasting is also
It requires, according to fiber species（Total fiber number and monofilament number）Difference, general control is in the range of 30m/min~90m/min.
Cause when cooling down difference physical property different between monofilament in order to prevent, arrangement mode preferably ' plover ' row in spinneret discharge hole
Row, namely what is often called diamond array.It is preferred that this spinning technique mainly using single step spining art, i.e. spinning/stretching is completed simultaneously,
The FDY being commonly called as.But can also be made by two-step method, i.e., the fiber of worth first preorientation, that is, the POY being commonly called as, then
Draft process, that is, the DT being commonly called as are carried out using elongator.
The hollow long fibre of polyester of the present invention has three-dimensional crimp structure, while fibre single thread is thicker, in this
Fluffy processing tow, which is made, in empty long fibre has high excluded volume and with high fluffy degree, while have excellent pressure resistance
Contracting characteristic.
Test method of the present invention is as follows：
（1）The test method of total fiber number and filament number
The test of total fiber number is according to JIS L 1013:2010 standard testings, filament number be by total fiber number and monofilament number come into
Row calculates.
（2）Hollow rate
Hollow long fibre is cut off into flakiness (i.e. fiber cross section) along longitudinal direction, it is suitable to be amplified under ordinary optical microscope
Multiplying power is taken pictures, and the area S of hollow space is calculated according to photo1With the area S of fiber entirety2(including hollow portion), then
It calculates：
Hollow rate=（S1/S2）×100%.
（3）Radius of curvature test method
The radius of curvature of nature：By sample to be tested in constant-temperature constant-humidity environment（20℃×65%RH）Placing 8h or more makes
Its is in stable condition（Such as Fig. 3）, then choose bending part and carry out radius measurement, choose after 20 different places measure and be averaged.
The data obtained is radius of curvature.
Radius of curvature after dry heat treatment processing：Yarn is passed through into dipping machine（Fiber number, which measures, to be used）Sample curling 10 is enclosed, so
After be put into drying machine and be heat-treated, treatment conditions are 160 DEG C × 3min, and sample then is placed 4h in constant-temperature constant-humidity environment
More than, it finally chooses bending part and carries out radius measurement, choose after 20 different places measure and be averaged.The data obtained is song
Rate radius.
（4）Fluffy degree
It is tested according to IDFB methods：
It is debugged 8 hours or 8 hours or more 1. sample to be tested is placed in the environment of 20 DEG C × 65%RH first so as to be tested
Sample is stablized；
2. weighing sample 30g, put it into measurement bucket and close the lid after being shaken soft fluffy state manually；
3. weight disk to be moved downward to the peak of contact sample, then decontroling weight disk makes its free-falling, decontrols weight
Timing while disk reads height and records after stablizing 1 minute；
4. opening lid takes out sample, shaken again to soft fluffy state, be put into measurement bucket and close the lid, according to step 3.
It measures again, same method is tested 5 times；
5. by the way that fluffy degree is calculated after calculating the average height of 5 times.
Illustrate present disclosure by the following examples, but the invention is not limited in contents listed by embodiment.
Embodiment 1：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 25m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 300T-20f, and hollow section is in triangle
Sky, degree of hollowness 20.0%, filament number 15.0dtex, radius of curvature before heat treatment are 50.0mm, by 160 DEG C ×
Radius of curvature after 3min dry heat treatments is 10.0mm.The fiber is selected to be fed as sheath fiber and the raw material of core fibre with sheath silk
Enter the overfeeding that speed/core filaments feeding speed is 20 times to be fed, be processed into the fluffy silk of core-sheath-type, and 6 plying, obtain fluffy
Property processing tow, test it is fluffy processing tow fluffy degree be 390inch3/30g.Specifically it is shown in Table 1.
Embodiment 2：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 40m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 150T-10f, and hollow section is in triangle
Sky, degree of hollowness 30.0%, filament number 15.0dtex, radius of curvature before heat treatment are 42.0mm, by 160 DEG C ×
Radius of curvature after 3min dry heat treatments is 8.5mm.The fiber is selected to be fed as sheath fiber and the raw material of core fibre with sheath silk
Speed/core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness
Tow is processed, the fluffy degree for testing fluffy processing tow is 600inch3/30g.Specifically it is shown in Table 1.
Embodiment 3：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 40m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 60T-4f, and hollow section is hollow for triangle,
Degree of hollowness is 45.0%, filament number 15.0dtex, and the radius of curvature before heat treatment is 37.0mm, is done by 160 DEG C × 3min
Radius of curvature after heat treatment is 7.0mm.The fiber is selected as sheath fiber and the raw material of core fibre, with sheath silk feeding speed/
Core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness processing
Tow, the fluffy degree for testing fluffy processing tow is 800inch3/30g.Specifically it is shown in Table 1.
Embodiment 4：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 35m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 100T-10f, and hollow section is in triangle
Sky, degree of hollowness 30.0%, filament number 10.0dtex, radius of curvature before heat treatment are 40.0mm, by 160 DEG C ×
Radius of curvature after 3min dry heat treatments is 7.8mm.The fiber is selected to be fed as sheath fiber and the raw material of core fibre with sheath silk
Speed/core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness
Tow is processed, the fluffy degree for testing fluffy processing tow is 650inch3/30g.Specifically it is shown in Table 1.
Embodiment 5：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 50m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 100T-20f, and hollow section is in triangle
Sky, degree of hollowness 30.0%, filament number 5.0dtex, the radius of curvature before heat treatment is 35.0mm, by 160 DEG C × 3min
Radius of curvature after dry heat treatment is 6.5mm.The fiber is selected to feed speed as sheath fiber and the raw material of core fibre with sheath silk
Degree/core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness and add
Work tow, the fluffy degree for testing fluffy processing tow is 610inch3/30g.Specifically it is shown in Table 2.
Embodiment 6：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 75m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 60T-15f, and hollow section is hollow for triangle,
Degree of hollowness is 45.0%, filament number 4.0dtex, and the radius of curvature before heat treatment is 10.0mm, is done by 160 DEG C × 3min
Radius of curvature after heat treatment is 3.5mm.The fiber is selected as sheath fiber and the raw material of core fibre, with sheath silk feeding speed/
Core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness processing
Tow, the fluffy degree for testing fluffy processing tow is 480inch3/30g.Specifically it is shown in Table 2.
Embodiment 7：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 70m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 65T-10f, and hollow section is hollow for triangle,
Degree of hollowness is 30.0%, filament number 6.5dtex, and the radius of curvature before heat treatment is 30.0mm, is done by 160 DEG C × 3min
Radius of curvature after heat treatment is 6.0mm.The fiber is selected as sheath fiber and the raw material of core fibre, with sheath silk feeding speed/
Core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness processing
Tow, the fluffy degree for testing fluffy processing tow is 580inch3/30g.Specifically it is shown in Table 2.
Embodiment 8：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 70m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 50T-10f, and hollow section is hollow for triangle,
Degree of hollowness is 30.0%, filament number 5.0dtex, and the radius of curvature before heat treatment is 20.0mm, is done by 160 DEG C × 3min
Radius of curvature after heat treatment is 4.5mm.The fiber is selected as sheath fiber and the raw material of core fibre, with sheath silk feeding speed/
Core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness processing
Tow, the fluffy degree for testing fluffy processing tow is 520inch3/30g.Specifically it is shown in Table 2.
Embodiment 9：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 25m/min, by DSD high speed spinning works
Hollow polyester fibre is made after skill.The characteristic of doughnut is as follows：Fiber species are 60T-4f, and hollow section is hollow for quadrangle,
Degree of hollowness is 45.0%, filament number 15.0dtex, and the radius of curvature before heat treatment is 42.0mm, is done by 160 DEG C × 3min
Radius of curvature after heat treatment is 8.1mm.The fiber is selected as sheath fiber and the raw material of core fibre, with sheath silk feeding speed/
Core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness processing
Tow, the fluffy degree for testing fluffy processing tow is 760inch3/30g.Specifically it is shown in Table 3.
Embodiment 10：
Raw material is sliced using common polypropylene terephthalate（I.e. common 3GT）, by the polypropylene terephthalate
It is dried by pre-crystallized dehumidifying heat pump, moisture rate is 30ppm after drying.Dried slice passes through screw rod melt extruded
Metering pump is transported to by piping, the polymer after metering pump accurate measurement is delivered to filament spinning component, the spray of filament spinning component
Filament plate is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 35m/min, by DSD high-speed spinning process
Hollow polyester fibre is made afterwards.The characteristic of doughnut is as follows：Fiber species are 100T-10f, and hollow section is hollow for triangle,
Degree of hollowness is 30.0%, filament number 10.0dtex, and the radius of curvature before heat treatment is 38.0mm, is done by 160 DEG C × 3min
Radius of curvature after heat treatment is 7.5mm.The fiber is selected as sheath fiber and the raw material of core fibre, with sheath silk feeding speed/
Core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness processing
Tow, the fluffy degree for testing fluffy processing tow is 630inch3/30g.Specifically it is shown in Table 3.
Embodiment 11：
Raw material is sliced using common polybutylene terephthalate (PBT)（I.e. common PBT）, by the polybutylene terephthalate (PBT)
It is dried by pre-crystallized dehumidifying heat pump, moisture rate is 33ppm after drying.Dried slice passes through screw rod melt extruded
Metering pump is transported to by piping, the polymer after metering pump accurate measurement is delivered to filament spinning component, the spray of filament spinning component
Filament plate is hollow special spinning jet, and but distance is 65mm to heat, and the wind speed of cross air blasting is 35m/min, by DSD high-speed spinning process
Hollow polyester fibre is made afterwards.The characteristic of doughnut is as follows：Fiber species are 100T-10f, and hollow section is hollow for triangle,
Degree of hollowness is 30.0%, filament number 10.0dtex, and the radius of curvature before heat treatment is 36.0mm, is done by 160 DEG C × 3min
Radius of curvature after heat treatment is 7.0mm.The fiber is selected as sheath fiber and the raw material of core fibre, with sheath silk feeding speed/
Core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness processing
Tow, the fluffy degree for testing fluffy processing tow is 600inch3/30g.Specifically it is shown in Table 3.
Embodiment 12：
Raw material uses cation-modified polyethylene terephthalate slice, by the cation-modified poly terephthalic acid second two
Alcohol ester is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 30ppm after drying.Dried slice is melted by screw rod
Metering pump is transported to through piping after extruding, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret for hollow special spinning jet, but distance is 65mm to heat, and the wind speed of cross air blasting is 35m/min, by DSD high speed spinnings
Hollow polyester fibre is made after technique.The characteristic of doughnut is as follows：Fiber species are 100T-10f, and hollow section is in triangle
Sky, degree of hollowness 33.0%, filament number 10.0dtex, radius of curvature before heat treatment are 33.0mm, by 160 DEG C ×
Radius of curvature after 3min dry heat treatments is 6.4mm.The fiber is selected to be fed as sheath fiber and the raw material of core fibre with sheath silk
Speed/core filaments feeding speed is that 20 times of overfeeding is fed, and is processed into the fluffy silk of core-sheath-type, and 6 plying, obtains bulkiness
Tow is processed, the fluffy degree for testing fluffy processing tow is 610inch3/30g.Specifically it is shown in Table 3.
Comparative example 1：
Raw material uses the polyester slice of semi-dull（The T200N of Dong Li fibers Synthon BV production）, which is cut
Piece is dried by pre-crystallized dehumidifying heat pump, and moisture rate is 39ppm after drying.Dried slice is melted by screw rod to be squeezed
Metering pump is transported to through piping after pressure, the polymer after metering pump accurate measurement is delivered to filament spinning component, filament spinning component
Spinneret is common circular hole spinneret, and but distance is 65mm to heat, and the wind speed of cross air blasting is 25m/min, by DSD high speed spinning works
Polyester fiber is made after skill.The characteristic of fiber is as follows：Fiber species are 56T-24f, and section is solid circles, and filament number is
2.3dtex, all without curl characteristics before and after heat treatment.The fiber is selected to be fed as sheath fiber and the raw material of core fibre with sheath silk
Enter the overfeeding that speed/core filaments feeding speed is 20 times to be fed, be processed into the fluffy silk of core-sheath-type, and 6 plying, obtain fluffy
Property processing tow, test it is fluffy processing tow fluffy degree be 240inch3/30g.Specifically it is shown in Table 3.
Table 1
Table 2
Table 3
Claims (5)
1. a kind of hollow long fibre of polyester, it is characterised in that：The long stapled cross section degree of hollowness is 20.0%~45.0%, institute
The curly form that long fibre is 3 D stereo in its natural state is stated, and the radius of curvature of curly form is 10mm~50mm.
2. the hollow long fibre of polyester according to claim 1, it is characterised in that：The long stapled filament number is
4.0dtex~15.0dtex.
3. the hollow long fibre of polyester according to claim 2, it is characterised in that：The long stapled filament number is
5.0dtex~10.0dtex.
4. the hollow long fibre of polyester according to claim 1 or 2, it is characterised in that：The long fibre by 160 DEG C ×
It is still crimped after 3min dry heat treatments as three-dimensional shape, and the radius of curvature of curly form is 3.5mm~10mm.
5. the hollow long fibre of polyester according to claim 1 or 2, it is characterised in that：The polyester is poly terephthalic acid
Glycol ester, polypropylene terephthalate, polybutylene terephthalate (PBT) or theirs is polymer-modified.
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205849.8A CN108239794A (en) | 2016-12-23 | 2016-12-23 | A kind of hollow long fibre of polyester |
| TW106145337A TWI793092B (en) | 2016-12-23 | 2017-12-22 | A kind of polyester hollow long fiber and preparation method thereof |
| EP17884141.7A EP3561160B1 (en) | 2016-12-23 | 2017-12-22 | Hollow polyester long fiber and preparation method therefor |
| AU2017379039A AU2017379039A1 (en) | 2016-12-23 | 2017-12-22 | Hollow polyester long fiber and preparation method therefor |
| RU2019119407A RU2748416C2 (en) | 2016-12-23 | 2017-12-22 | Hollow polyester filament fiber and method for production thereof |
| US16/471,099 US20200017995A1 (en) | 2016-12-23 | 2017-12-22 | Hollow polyester long fiber and preparation method therefor |
| CA3047479A CA3047479A1 (en) | 2016-12-23 | 2017-12-22 | Hollow polyester filament and preparation method therefor |
| JP2019530414A JP7081598B2 (en) | 2016-12-23 | 2017-12-22 | Polyester hollow filament and its manufacturing method |
| PCT/CN2017/117924 WO2018113767A1 (en) | 2016-12-23 | 2017-12-22 | Hollow polyester long fiber and preparation method therefor |
| KR1020197016525A KR102338025B1 (en) | 2016-12-23 | 2017-12-22 | Hollow polyester long fiber and manufacturing method thereof |
| CN201780065153.6A CN109844189A (en) | 2016-12-23 | 2017-12-22 | Hollow long fibre of polyester and preparation method thereof |
| PH12019501278A PH12019501278A1 (en) | 2016-12-23 | 2019-06-06 | Hollow polyester long fiber and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205849.8A CN108239794A (en) | 2016-12-23 | 2016-12-23 | A kind of hollow long fibre of polyester |
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| CN108239794A true CN108239794A (en) | 2018-07-03 |
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| CN201611205849.8A Pending CN108239794A (en) | 2016-12-23 | 2016-12-23 | A kind of hollow long fibre of polyester |
| CN201780065153.6A Pending CN109844189A (en) | 2016-12-23 | 2017-12-22 | Hollow long fibre of polyester and preparation method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201780065153.6A Pending CN109844189A (en) | 2016-12-23 | 2017-12-22 | Hollow long fibre of polyester and preparation method thereof |
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| US (1) | US20200017995A1 (en) |
| EP (1) | EP3561160B1 (en) |
| JP (1) | JP7081598B2 (en) |
| KR (1) | KR102338025B1 (en) |
| CN (2) | CN108239794A (en) |
| AU (1) | AU2017379039A1 (en) |
| CA (1) | CA3047479A1 (en) |
| PH (1) | PH12019501278A1 (en) |
| RU (1) | RU2748416C2 (en) |
| TW (1) | TWI793092B (en) |
| WO (1) | WO2018113767A1 (en) |
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| CN110992343A (en) * | 2019-10-18 | 2020-04-10 | 中国移动通信集团浙江有限公司嘉兴分公司 | Flying filament flying impurity visual inspection method based on robot, storage medium and electronic equipment |
| JP2021121698A (en) | 2020-01-30 | 2021-08-26 | カール・フロイデンベルク・カー・ゲー | Square hollow fiber |
| EP4151786A4 (en) * | 2020-06-29 | 2024-07-03 | Toray Industries | Chenille yarn, fiber product, garment, and bedding |
| CN114351269B (en) * | 2021-12-31 | 2023-02-24 | 新凤鸣集团股份有限公司 | Same-plate reducing hollow crimped fiber and production method thereof |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165934A (en) * | 1966-09-12 | 1969-10-01 | Celanese Corp | Producing Filamentary Materials by Fibrillation |
| JPS56169813A (en) * | 1980-05-29 | 1981-12-26 | Toyobo Co Ltd | Synthetic fiber for wadding |
| JPS61245327A (en) * | 1985-04-23 | 1986-10-31 | 帝人株式会社 | Polyester hollow crimped yarn and its production |
| JP2921638B2 (en) * | 1993-02-26 | 1999-07-19 | 東洋紡績株式会社 | Cushion net structure and manufacturing method |
| KR0123943B1 (en) * | 1995-01-20 | 1997-11-27 | 박홍기 | Spinnerat for polyester fiber |
| JP3627827B2 (en) * | 1995-06-20 | 2005-03-09 | 東洋紡績株式会社 | Mat and manufacturing method thereof |
| JPH1018559A (en) * | 1996-07-03 | 1998-01-20 | Toyobo Co Ltd | Tatami padding core material and tatami padding |
| KR100514557B1 (en) * | 1996-10-04 | 2005-09-15 | 이 아이 듀폰 디 네모아 앤드 캄파니 | Polyester Fiber |
| JP4065592B2 (en) * | 1997-02-20 | 2008-03-26 | 帝人ファイバー株式会社 | High hollow polyester fiber, woven / knitted fabric, pile fiber product and nonwoven fabric structure using the same, and method for producing hollow polyester fiber |
| KR100270437B1 (en) * | 1998-08-25 | 2001-03-02 | 김윤 | Spinnerets for spontaneous high-strength hollow fiber manufacturing |
| ID29973A (en) * | 2000-01-07 | 2001-10-25 | Teijin Ltd | DRIED POLYESTER FIBERS AND FIBER STRUCTURES CONSIST OF ITS |
| CN1208507C (en) * | 2000-03-01 | 2005-06-29 | 仪征化纤股份有限公司 | Far infrared radiating hollow 3-D crimped polyester fiber and its making process |
| CN201074257Y (en) * | 2007-01-19 | 2008-06-18 | 东华大学 | Three-dimensional crimp hollow synthetic fiber |
| CN201873785U (en) * | 2010-10-26 | 2011-06-22 | 东华大学 | Oblate hollow fiber and spinneret plate |
| CN105263348B (en) * | 2013-06-06 | 2017-06-27 | 株式会社钟化 | Fiber for artificial hair and the head decoration product containing the fiber |
| KR102416737B1 (en) * | 2015-01-26 | 2022-07-05 | 도레이 카부시키가이샤 | Polyester hollow fiber spherical material |
| CN106186187B (en) | 2015-04-29 | 2020-12-25 | 青岛海尔滚筒洗衣机有限公司 | Self-cleaning method for water purification module and washing machine adopting same |
| CN106381590B (en) * | 2015-08-04 | 2020-09-08 | 东丽纤维研究所（中国）有限公司 | Fluffy processing silk |
| CN106868671B (en) * | 2015-12-10 | 2021-06-22 | 东丽纤维研究所（中国）有限公司 | Fluffy processing silk |
-
2016
- 2016-12-23 CN CN201611205849.8A patent/CN108239794A/en active Pending
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2017
- 2017-12-22 RU RU2019119407A patent/RU2748416C2/en active
- 2017-12-22 TW TW106145337A patent/TWI793092B/en active
- 2017-12-22 KR KR1020197016525A patent/KR102338025B1/en active IP Right Grant
- 2017-12-22 US US16/471,099 patent/US20200017995A1/en not_active Abandoned
- 2017-12-22 AU AU2017379039A patent/AU2017379039A1/en not_active Abandoned
- 2017-12-22 JP JP2019530414A patent/JP7081598B2/en active Active
- 2017-12-22 CN CN201780065153.6A patent/CN109844189A/en active Pending
- 2017-12-22 WO PCT/CN2017/117924 patent/WO2018113767A1/en active Application Filing
- 2017-12-22 CA CA3047479A patent/CA3047479A1/en active Pending
- 2017-12-22 EP EP17884141.7A patent/EP3561160B1/en active Active
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| CA3047479A1 (en) | 2018-06-28 |
| RU2748416C2 (en) | 2021-05-25 |
| EP3561160A1 (en) | 2019-10-30 |
| US20200017995A1 (en) | 2020-01-16 |
| AU2017379039A1 (en) | 2019-06-27 |
| TW201827661A (en) | 2018-08-01 |
| RU2019119407A (en) | 2021-01-26 |
| EP3561160A4 (en) | 2020-08-26 |
| JP2020502377A (en) | 2020-01-23 |
| CN109844189A (en) | 2019-06-04 |
| WO2018113767A1 (en) | 2018-06-28 |
| KR102338025B1 (en) | 2021-12-10 |
| RU2019119407A3 (en) | 2021-01-26 |
| PH12019501278A1 (en) | 2019-12-16 |
| KR20190092431A (en) | 2019-08-07 |
| JP7081598B2 (en) | 2022-06-07 |
| EP3561160B1 (en) | 2024-06-26 |
| TWI793092B (en) | 2023-02-21 |
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Application publication date: 20180703 |