CN203960409U - Octagonal polyester fiber and anistree profile spinneret - Google Patents
Octagonal polyester fiber and anistree profile spinneret Download PDFInfo
- Publication number
- CN203960409U CN203960409U CN201420044066.6U CN201420044066U CN203960409U CN 203960409 U CN203960409 U CN 203960409U CN 201420044066 U CN201420044066 U CN 201420044066U CN 203960409 U CN203960409 U CN 203960409U
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- Prior art keywords
- octagonal
- polyester fiber
- spinneret
- spinneret orifice
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- 239000000835 fiber Substances 0.000 title claims abstract description 96
- 229920000728 polyester Polymers 0.000 title claims abstract description 53
- 230000008602 contraction Effects 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 239000004744 fabric Substances 0.000 description 20
- 238000009987 spinning Methods 0.000 description 12
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 210000004243 sweat Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- AWZOLILCOUMRDG-UHFFFAOYSA-N edifenphos Chemical compound C=1C=CC=CC=1SP(=O)(OCC)SC1=CC=CC=C1 AWZOLILCOUMRDG-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model provides a kind of octagonal polyester fiber and anistree profile spinneret.Octagonal polyester fiber is made via anistree profile spinneret, and in its tow, monofilament cross section is octagonal, and the angle angle that octagonal adjacent edge forms is 130-140 °; The filament number of described octagonal polyester fiber is 0.5-3.5dtex; The inner space consisting of adjacent octagonal monofilament that exists of described octagonal polyester fiber, its degree of hollowness is 5-15%.Anistree profile spinneret comprises spinnerets body, is provided with some spinneret orifices on spinnerets body, and the cross sectional shape of described spinneret orifice ejiction opening comprises and is positioned at the circular hole at center and outward extending eight strip holes centered by circular hole; It is equidistantly evenly distributed that described spinneret orifice is concentric circles on spinnerets body, the spinnerets entity plate face center spinneret orifice of not arranging.The utility model octagonal polyester fiber has the ventilative and good wearing comfort of moisture absorption, can be widely used in the field such as take, household is used.
Description
Technical field
The utility model belongs to new type functional fiber art in textile industry, relates to a kind of easypro sense octagonal polyester fiber and spinnerets thereof, relates in particular to a kind of octagonal polyester fiber and anistree profile spinneret with the ventilative and good wearing comfort of moisture absorption.
Background technology
Along with social progress, the improvement of people's material life condition, has also proposed new requirement to the performance of clothes and home textile product, has been not only to meet the functions such as common warming, protection, but will have met healthy comfortable and these two themes of environmental protection.On the other hand, along with scientific and technological development and the change of outside living environment, as global warming etc. cause in life uncomfortable, also have some special working environments as plateau and polar region etc., this just requires raw materials usedly to have antibacterial, hydrofuge and lead the greater functionality such as sweat, Far-infrared Absorption is warming.And natural fabric has the features such as good hygroscopicity, skin-friendly as cotton, silk etc., can give absorbing sweat that fabric is good, be difficult for producing static, soft comfortable, the endurable characteristic such as washable.Therefore, the research of functional fibre is the advanced subject of modern textile sciemtifec and technical sphere, is day by day subject to various countries field of textiles scholar's attention, is just becoming worldwide focus.
Biological fiber is cellulose fibre or protein fibre, and it contains more polar group molecular structure and has determined that biological fiber has higher hydrophily, and hygroscopicity will be higher than chemical fibre, and general biological fiber moisture absorption scope is between 8-12%.In prior art, chemical fibre imitated natural fabric is mainly by the modification to raw material matrix, object is to realize the moisture pick-up properties feature close with natural fabric, this point can realize at present in the prior art, the hygroscopicity of modified polyester fiber reaches 4-6%, change fibre section form simultaneously and can give the function that fiber is new, can change the style of reflectance, feel and the fabric of fiber.
Utility model content
The technical problem of solution of the present utility model is to provide a kind of easypro sense octagonal polyester fiber, and a kind of octagonal polyester fiber with the ventilative and good wearing comfort of moisture absorption is namely provided.
The second technical problem that the utility model solves is to provide a kind of anistree profile spinneret, and by the octagonal polyester fiber of its production, in its tow, monofilament cross section is octagonal.
Particularly, the utility model is achieved by the following technical solution:
An octagonal polyester fiber, in its tow, monofilament cross section is octagonal.
Aforesaid octagonal polyester fiber, the angle angle that its octagonal adjacent edge forms is 130-140 °.
Aforesaid octagonal polyester fiber, the filament number of octagonal polyester fiber is 0.5-3.5dtex.
The inner space being formed by adjacent octagonal monofilament that exists of aforesaid octagonal polyester fiber.
The degree of hollowness of aforesaid octagonal polyester fiber is 5-15%.
A kind of anistree profile spinneret of preparing aforementioned octagonal polyester fiber, comprise spinnerets body, on spinnerets body, be provided with some spinneret orifices, the cross sectional shape of described spinneret orifice ejiction opening comprise be positioned at the circular hole at center and centered by circular hole outward extending eight strip holes, the length of strip hole is less than or equal to the diameter of circular hole.
Aforesaid anistree profile spinneret, described eight strip holes are uniformly distributed at circular hole periphery along circle hole radius direction.
Aforesaid anistree profile spinneret, the hole wall of described spinneret orifice from entrance to ejiction opening comprises the first contraction section, the first parallel-segment, the second contraction section and the second parallel-segment.
Aforesaid anistree profile spinneret, the height of described the second parallel-segment is the 2.0-3.0% of spinneret orifice total length.
Aforesaid anistree profile spinneret, the hole wall that described the first contraction section is spinneret orifice shrinks to central shaft towards ejiction opening direction along central shaft, and the first contraction angle is 30 °-60 °, and the height of the first contraction section is the 2.0-6.0% of spinneret orifice total length; The hole wall that described the second contraction section is spinneret orifice shrinks to central shaft towards ejiction opening direction along central shaft, and the second contraction angle is 30 °-60 °.
Adopt above-mentioned technical scheme, at least there is following beneficial effect:
(1) octagonal polyester fiber of the present utility model, its monofilament cross section is octagonal, has improved gloss and the feel of weaving fabric, gives the function that Conductivity of Fiber is wet simultaneously.
(2) octagonal polyester fiber of the present utility model, monofilament stack in tow, at the inner cavity that forms of the outside octagonal polyester fiber of monofilament, has improved Hydrophilic Fiber energy.When fabric and skin contact, can regulate the transmission of heat and steam, improve the snugness of fit of fabric, also improved fabric moisture perspire, gas permeability, and made fabric there is fluffy sense and heat storage performance simultaneously.
(3) the utility model fiber octagonal structure fiber gap rate that makes to superpose increases, and the specific surface of fiber increases, and improves the bulkiness of fiber under heavy load, increases accumulation of heat effect.
(4) the utility model fiber is just suitably adjusted technique in process, does not need to expend the unnecessary energy, gives fiber high added value simultaneously.
Octagonal polyester fiber of the present utility model, its octagonal structure has increased voidage between fiber, because its specific area is large, therefore can improve the bulkiness of fiber under heavy load, increases heat accumulation thermal effect, can be widely used in the field such as take, household is used.
Accompanying drawing explanation
Fig. 1 is the monfil cross sectional representation of the utility model octagonal fiber.
Fig. 2 is the ESEM schematic diagram of octagonal polyester fiber magnify 20.
Fig. 3 is the spinnerets of the single bundle of preparation octagonal polyester fiber.
Fig. 4 is the enlarged diagram in spinneret orifice ejiction opening cross section in Fig. 3.
Fig. 5 is the profile of spinneret orifice in Fig. 3.
The specific embodiment
A kind of octagonal polyester fiber with the ventilative and good wearing comfort of moisture absorption of the present utility model, in its tow, monofilament shape of cross section is octagonal, when monofilament superposes in tow, can produce outer hollow channel, moisture excretes rapidly by siphonic effect, in the moist heat that fabric and skin form, regulate the transmission of heat and steam, improve the comfortableness of fabric when dynamic and static.
Particularly, a kind of octagonal polyester fiber of the present utility model, in tow, monofilament cross section is octagonal, the angle angle θ that octagonal adjacent edge forms is 130-140 °.Shown in Fig. 1, be monfil cross sectional representation, the angle forming between adjacent edge,, between A1 and A2, between A2 and A3, between A3 and A4, between A4 and A5, between A5 and A6, between A7 and A8, between A8 and A1, is 130-140 °.
The filament number of the utility model octagonal polyester fiber is 0.5-3.5dtex.As shown in Figure 2, the inner existence of octagonal polyester fiber is the space that octagonal monofilament forms by adjacent cross section, and degree of hollowness is 5-15%.This octagonal polyester fiber has the ventilative and good wearing comfort of moisture absorption, can be widely used in the field such as take, household is used.
In addition, octagonal polyester fiber of the present utility model can carry out by chemical graft hydrophilic radical the hydrophilicity of fortifying fibre, coordinates the wet guiding function of octagonal structure, makes to use fabric prepared by this fiber to have the function of moisture absorbing and sweat releasing, fabric is not stained with body, comfortable and easy to wear.Simultaneously because hygroscopicity increases, the antistatic property of fiber and fabric thereof strengthens, there will not be static charge accumulation, fabric can not absorb because of build up of electrostatic charge floating dust, thereby make fabric there is clean effect, and a large amount of polar groups add the dyeability of also having improved fiber and fabric thereof.
The hydroaropic substance that the utility model adopts has good biocompatibility, can not produce rejection to skin, can not cause damage to health.
Elaborate the preparation method of the utility model octagonal polyester fiber and the equipment of employing below.
As shown in Figure 3, prepare the octagonal spinnerets of the utility model octagonal polyester fiber, comprise spinnerets body 1, on spinnerets body 1, be provided with several spinneret orifices 2.For example, as shown in Figure 3, it is equidistantly evenly distributed that spinneret orifice 2 is concentric circles on spinnerets body 1, the spinnerets body 1 Ban Mian center spinneret orifice 2 of not arranging.
The shape of cross section of spinneret orifice 2 entrances is circular.The cross sectional representation of spinneret orifice 2 ejiction openings as shown in Figure 4, spinneret orifice 2 comprise be positioned at the circular hole 21 at center and centered by circular hole 21, stretch out, equally distributed eight strip holes 22, the length of strip hole 22 is less than or equal to the diameter of circular hole 21, the front end of strip hole 22 is semicircle, and eight strip holes 22 are uniformly distributed at circular hole 21 peripheries along circular hole 21 radial directions.The length of strip hole 22 can be greater than the diameter of circular hole 21, but can cause fiber shape unstable, is unfavorable for that rear road weaves.
In the utility model, monofilament emission direction in spinning process is defined as to the axial of spinneret orifice 2.Shown in Fig. 5, be the profile of spinneret orifice 2 in anistree profile spinneret, the monofilament in tow is ejection from top to bottom vertically.As can be seen from Figure 5, the hole wall of spinneret orifice 2 from entrance to ejiction opening comprises the first contraction section 23, the first parallel-segment 24, the second contraction sections 25 and the second parallel-segment 26.
Described parallel-segment refers to the part that spinneret orifice hole wall is parallel with monofilament emission direction.
Described the first contraction section 23 shrinks to central shaft towards ejiction opening direction along central shaft for the hole wall of spinneret orifice 2, shrinking angle is 30 °-60 °, the 2.0-6.0% that the height of the first contraction section 23 (take vertical height) is spinneret orifice 2 total lengths (in vertical height); Described the second contraction section 25 is for the hole wall of spinneret orifice 2 shrinks to central shaft towards ejiction opening direction along central shaft, and shrinking angle is 30 °-60 °; The height of described the second parallel-segment 26 is the 2.0-3.0% of spinneret orifice 2 total lengths.The height of the second parallel-segment 26 (in vertical height) is a process of extrusion molding in spinning, under other conditions, also can obtain anistree fiber, but shaping potentially unstable, bar is dry inhomogeneous.
The height of described the second contraction section 25 (in vertical height) can be adjusted as required; The unit of described spinneret orifice 2 total lengths is mm.
Described contraction angle refers to the angle of contraction section inwall extended line and central shaft.
In the utility model, monofilament is successively through the extruding for the first time of the first contraction section 23 in spinneret orifice 2, and the extruding for the third time of extruding, second contraction section 25 for the second time of the first parallel-segment 24 and the 4th time of the second parallel-segment 26 are pushed; Described extrusion process can promote the rapid moulding of monofilament, in order to avoid monofilament cross section is deformed because cooling mistake is slow.
In the production technology embodiment of following preparation octagonal polyester fiber described in the utility model, except octagonal spinnerets, the equipment using in production technology is conventional equipment.
Below, enumerate the specific embodiment the utility model is further described, but the utility model is not limited to following embodiment.The various changes that those skilled in the art make without departing from the concept of the premise utility or modification all fall into the application's claims limited range.
The polyethylene terephthalate (PET) of take is prepared octagonal polyester fiber of the present utility model as example, but other polymer that those skilled in the art easily select according to prior art, as PA6, PA66, PTT, PBT, EDDP etc., all can be used for preparing octagonal polyester fiber of the present utility model.Octagonal polyester fiber of the present utility model comprises filament fiber and staple fiber, and described filament fiber comprises POY, FDY and DTY.
In a specific embodiment, the preparation technology of octagonal polyester fiber of the present utility model is:
1. by polyethylene terephthalate (PET) section, select the section of even particle size to screen;
2. the section after screening is dry with the continuous BM drying machine of ebullated bed, wherein cuts into slices that it is pre-crystallized under 165 ℃ of conditions, to carry out, and under 175 ℃ of conditions, is dried;
3. dried section is sent into screw extruder by hopper, through melt distributing pipe, melts;
4. melt is through spinning manifold spinning, and wherein, spinning temperature is 285 ℃, and spinning speed is 3000m/min;
5. the fiber obtaining through spinning manifold sprays by spinneret assembly, and cooling with lateral blowing, wherein, the quench air speed of lateral blowing is 0.45m/min, and side-blown wind-warm syndrome is 23 ℃;
6. cooled fiber turns to POY through oil agent, winder winding, and product specification is 75D/75F; Wherein, described finish is lubricating oil, and lubricating oil can, so that fiber friction force reduces, reduce wear.
The octagonal polyester fiber POY of gained, its monfil cross-sectional profile is octagonal, and it is 135 ° that octagonal adjacent edge forms angle; The filament number that records gained fiber is 1dtex, by the degree of hollowness of gained fiber, is 8%.
The experiment proved that, gained octagonal polyester fiber POY can be so that fabric has permeability, Sweat Exhaust & Moisture Conductivity function and good wearing comfort function, and common circular-section fibers does not have these features.
In another embodiment, can to octagonal polyester fiber of the present utility model, improve by chemical graft hydrophilic radical.The preparation technology of improved octagonal polyester fiber is:
1. by polyethylene terephthalate (PET) and hydrophily master batch hybrid slicing, select the section of even particle size to screen;
2. the section after screening is dry with the continuous BM drying machine of ebullated bed, wherein cuts into slices that it is pre-crystallized under 165 ℃ of conditions, to carry out, and under 175 ℃ of conditions, is dried;
3. dried section is sent into screw extruder by hopper, through melt distributing pipe, melts;
4. melt is through spinning manifold spinning, and wherein, spinning temperature is 285 ℃, and spinning speed is 3000m/min;
5. the fiber obtaining through spinning manifold sprays by spinneret assembly, and cooling with lateral blowing, wherein, the quench air speed of lateral blowing is 0.45m/min, and side-blown wind-warm syndrome is 23 ℃;
6. cooled fiber turns to POY through oil agent, winder winding, and product specification is 75D/75F; Wherein, described finish is lubricating oil, and lubricating oil can, so that fiber friction force reduces, reduce wear.
The octagonal polyester fiber POY of gained, its monfil cross-sectional profile is octagonal, and it is 135 ° that octagonal adjacent edge forms angle; The filament number that records gained fiber is 2dtex, by the degree of hollowness of gained fiber, is 10%.
The experiment proved that, gained octagonal polyester fiber POY can be so that fabric has permeability, Sweat Exhaust & Moisture Conductivity function, anti-static function and good wearing comfort function, and common circular-section fibers does not have these features.
Octagonal polyester fiber of the present utility model is compared and is had more superiority with other profiled fibres, moisture absorbing and sweat releasing, good, the ventilative quick-drying of drapability, fluffy softness; Another element is comfortable: soft frivolous, silkiness is soft and smooth, elegant, as air slim and graceful comfortable, follow one's inclinations and moving elasticity with dynamic, can meet the requirement of varying environment, can be widely used as underskirt, clothes and family and spin field.
Claims (7)
1. an octagonal polyester fiber, is characterized in that, in tow, monofilament cross section is octagonal;
Wherein, the inner existence of described octagonal polyester fiber is the space that octagonal monofilament forms by adjacent cross section, and the degree of hollowness of octagonal polyester fiber is 5-15%.
2. octagonal polyester fiber according to claim 1, is characterized in that, the angle angle that described octagonal adjacent edge forms is 130-140 °.
3. octagonal polyester fiber according to claim 1, is characterized in that, the filament number of described octagonal polyester fiber is 0.5-3.5dtex.
4. the anistree profile spinneret for the preparation of octagonal polyester fiber, comprise spinnerets body, on spinnerets body, be provided with several spinneret orifices, it is characterized in that, the cross sectional shape of described spinneret orifice ejiction opening comprise be positioned at the circular hole at center and centered by circular hole outward extending eight strip holes, the length of strip hole is less than or equal to the diameter of circular hole;
Wherein, the hole wall of described spinneret orifice from entrance to ejiction opening comprises the first contraction section, the first parallel-segment, the second contraction section and the second parallel-segment.
5. anistree profile spinneret according to claim 4, is characterized in that, described eight strip holes are uniformly distributed at circular hole periphery along circle hole radius direction.
6. anistree profile spinneret according to claim 4, is characterized in that, the height of described the second parallel-segment is the 2.0-3.0% of spinneret orifice total length.
7. anistree profile spinneret according to claim 4, it is characterized in that, the hole wall that described the first contraction section is spinneret orifice shrinks to central shaft towards ejiction opening direction along central shaft, and the first contraction angle is 30 °-60 °, and the height of the first contraction section is the 2.0-6.0% of spinneret orifice total length; The hole wall that described the second contraction section is spinneret orifice shrinks to central shaft towards ejiction opening direction along central shaft, and the second contraction angle is 30 °-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044066.6U CN203960409U (en) | 2014-01-23 | 2014-01-23 | Octagonal polyester fiber and anistree profile spinneret |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044066.6U CN203960409U (en) | 2014-01-23 | 2014-01-23 | Octagonal polyester fiber and anistree profile spinneret |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203960409U true CN203960409U (en) | 2014-11-26 |
Family
ID=51921016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044066.6U Expired - Lifetime CN203960409U (en) | 2014-01-23 | 2014-01-23 | Octagonal polyester fiber and anistree profile spinneret |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203960409U (en) |
-
2014
- 2014-01-23 CN CN201420044066.6U patent/CN203960409U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 1001, No. 666 Zhaohua Road, Changning District, Shanghai, 200050 Patentee after: Li-ning Sports (Shanghai) Co.,Ltd. Address before: 200023 room 3201, Lujiazui East Road, Pudong New Area, Shanghai, 3201 Patentee before: Li-ning Sports (Shanghai) Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |
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| CX01 | Expiry of patent term |