CN201151758Y - Polygonal hollow polyester filament yarn and nozzle plate for producing the same - Google Patents
Polygonal hollow polyester filament yarn and nozzle plate for producing the same Download PDFInfo
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- CN201151758Y CN201151758Y CNU2007201919945U CN200720191994U CN201151758Y CN 201151758 Y CN201151758 Y CN 201151758Y CN U2007201919945 U CNU2007201919945 U CN U2007201919945U CN 200720191994 U CN200720191994 U CN 200720191994U CN 201151758 Y CN201151758 Y CN 201151758Y
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- polyester filament
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Abstract
The utilty model relates to a multi-angled, hollow polyester filament and a spinneret plate for the production of the multi-angled, hollow polyester filament. The inside of the cross section of the multi-angled, hollow polyester filament is hollow, and the circumference of the cross section is formed by four leaves which are radially arranged along the hollow as a center and form multi-grooved capillary pipes. The spinneret plate is provided with a plurality of spinneret orifices with the same structure, each of which is composed of four units, each unit is composed of a long slit and two short slits to form a communicated trefoiled slit, the short slits of each unit face are inward and symmetrically arranged, and the short slits of adjacent units are spaced and are not communicated with each other. The multi-angled, hollow polyester filament has the advantages of novel design, simplicity and practicability; the inside of the filament is hollow, the surface of the filament is provided with the capillary pipes, and the profile degree of the filament is high; the multi-angled, hollow polyester filament has properties such as hydroscopic property, ventilation property, fluffiness and warmth-keeping property and maintains the prior spinnability at the same time.
Description
Technical field
The utility model relates to artificial filament and production technology, specifically relates to the spinnerets of a kind of polygonal hollow shape polyester filament and production usefulness thereof.
Background technology
Terylene has good physics and chemical characteristic as the fiber of output maximum in the four big synthetic fiber, is widely used in garment material and non-garment industry.Dacron product is good because of its drapability, and intensity is high and be used as main textile raw material by textile enterprise and weave all kinds of textiless.But because its hydrophobic property and using in the field that hygroscopicity or water imbibition are had relatively high expectations is restricted.Following wearing fabric will develop towards comfortable, healthy direction, and winter is warming, summer is nice and cool." cross hollow shape " is meant the shape of cross section of fiber, and the periphery of its cross section is the leafy polygonal of cross, and the center is a hollow shape.That the lining that is made into this fiber has is warming, lead wet characteristic.In general, be that natural fabric or synthetic fiber all are difficult to have concurrently this two specific character.But cross hollow shape fiber can be accomplished this point, and the capillarity that the trickle groove of surperficial polygonal formation of this fiber is produced makes sweat through effects such as wicking, diffusion and transmission, migrate to rapidly fabric the surface and distribute, lead wet purpose thereby reach; And the hollow structure of fiber is given its good warmth retention property.Cross hollow shape fiber be a kind of warming, lead moisture performance and the clothing comfortableness functional fibre.
At present, the cross section of the wet fiber overwhelming majority is shapes such as trilobal, cross, and the cross section of warming fiber is shapes such as hollow shape.As, Chinese patent literature CN2511691Y discloses a kind of " the long stapled spinnerets of spinning moistured and ventilated ", spinneret orifice on the spinnerets is approximate cross shape and distributes, spinneret orifice is made up of guide hole and spray silk pore, just can produce the fiber that cross section becomes cross, because the angle that forms between cross four limits has the capillary channel effect, this kind fiber has certain wet transmitting performance.But the thermal property of this fiber is the same with general fibre, and raising haves much room for improvement.The cross hollow shape fiber product that cross section has outer polygonal interior hollow concurrently does not appear in the newspapers.
Summary of the invention
The purpose of this utility model provides the spinnerets of a kind of polygonal hollow shape polyester filament and production usefulness thereof.
The technical solution adopted in the utility model is:
One, a kind of polygonal hollow shape polyester filament:
That the cross section inside of this polyester filament is is hollow, its cross-sectional perimeter is four leaves, every leaf all is radiation along hollow center, and forms the polyester filament of four groove capillary channels.
Two, a kind of spinnerets of polygonal hollow shape polyester filament production usefulness:
A lot of the identical spinneret orifices of structure are arranged on the spinnerets, each spinneret orifice is made up of four unit, each unit has a long slit and two short slits to constitute, form the trilobal micropore of a perforation, the short slit of each unit is symmetric arrangement inwardly, between the short slit of adjacent cells spacing is arranged, do not connect mutually.
The pitch of holes d of described adjacent spinneret orifice is 6.0～20.0mm, and the gap between two short slits that join is 0.02～0.12mm.
The width of described long and short slit is 0.05～0.12mm, and the length of long slit is 0.20～1.10mm, and the length ratio of length slit is (1.4～2.5): 1.
Angle α between the described two short slits is 40 °～100 °; Angle β between the long and short slit is 110 °～160 °.
The beneficial effect that the utlity model has is:
The utility model is novel, and is succinct practical, fibrous inside hollow, and fiber surface has capillary channel, and the degree of profile height of fiber has characteristics such as moisture absorption is ventilative, fluffy insulation, has kept existing spinnability simultaneously.
Description of drawings
Fig. 1 is the four jiaos of hollow shape fiber cross section photomicrography figure that are of the present utility model.
Fig. 2 is a kind of fiber cross section schematic diagram of the present utility model.
Fig. 3 is an another kind of fiber cross section schematic diagram of the present utility model.
Fig. 4 is that the spinneret orifice of spinnerets of the present utility model is arranged schematic diagram.
Fig. 5 is the spinneret orifice shape schematic diagram of the utility model spinnerets.
Among the figure: 1, four leaves, 2, four grooves, 3, hollow, 4, long slit, 5, short slit.
The specific embodiment
Below by drawings and Examples the utility model is further described.
As Fig. 2, shown in Figure 3, the cross section inside of polyester filament of the present utility model be hollow 3, its cross-sectional perimeter is four leaves 1, every leaf and all is radial along hollow 3 centers, and form the polyester filament of four grooves, 2 capillary channels.Fig. 1 is a kind of fiber cross section photomicrography figure of the present utility model.
As Fig. 4, shown in Figure 5, a lot of the identical spinneret orifices of structure are arranged on the spinnerets of the present utility model, each spinneret orifice is made up of four unit, each unit has a long slit 4 and two short slits 5 to constitute, form the trilobal micropore of a perforation, the short slit of each unit is symmetric arrangement inwardly, between the short slit of adjacent cells spacing is arranged, and does not connect mutually.
The pitch of holes d of described adjacent spinneret orifice is 6.0～20.0mm, and the gap between two short slits that join is 0.02～0.12mm.
The width of described long and short slit is 0.05～0.12mm, and the length of long slit is 0.20～1.10mm, and the length ratio of length slit is (1.4～2.5): 1.
Angle α between the described two short slits is 40 °～100 °; Angle β between the long and short slit is 110 °～160 °.
Embodiment 1: produce four jiaos of hollow shape polyester drawn yarns of 55dtex/18f.
The embodiment production equipment with concrete preparation process is: PET does section and is melt into melt, process spinning manifold, measuring pump, filament spinning component through screw extruder, extrude formation melt thread from the cross hollow shape spinneret orifice of spinnerets, when melt is extruded from the spinneret orifice of spinnerets, automatically merge owing to the extrusion swelling effect, form two profiled filaments of leafy hollow.Through lateral blowing cooling, stretching, through reeling, be prepared into as-spun fibre, through the drawing machine drawing-off, be prepared into drafted fibre.
The spinnerets that uses, a lot of the identical spinneret orifices of structure are arranged on the spinnerets, and each spinneret orifice is made up of four unit, and each unit has a long slit and two short slits to constitute, form the trilobal micropore of a perforation, the short slit of each unit inwardly, symmetric arrangement constitutes one and is the radiation spinneret orifice, the width of long slit is 0.05mm, length is 0.20mm, and the width of short slit is 0.05mm, and the length ratio of long and short slit is 1.5: 1.Angle α between the short leaf of three leaves is 60 °, and the angle β between the length leaf is 150 °.As Fig. 4, shown in Figure 5.
Adopt the slice spinning method, the section melt temperature is 270 ℃～290 ℃, and spinning temperature is 290 ℃, and lateral blowing speed is 0.40m/s, and the lateral blowing temperature is 22 ℃, and winding speed is 3000m/min.The side's of obtaining cross hollow shape fiber, the cross section of its fiber is the long filament of shape as shown in Figure 2.
Embodiment 2: produce four jiaos of hollow shape low elastic polyester filaments of 111dtex/24f.
The geometry of the spinneret orifice of the spinnerets that uses as shown in Figure 5, " three leaves " shape micropore of a long slit and a perforation of two short slit formations, four " three leaves " micropores are formed a spinneret orifice, the width of the long slit of wherein two " three leaves " is 0.08mm, length is 0.50mm, the width of short slit is 0.05mm, the length ratio of long and short slit is 2.5: 1, the width of the long slit of two other " three leaves " is 0.07mm, length is 0.30mm, the width of short slit is 0.05mm, and the length ratio of long and short slit is 1.5: 1.The short slit of each unit inwardly, " three leaves " positioned opposite of same size constitutes one and is the radiation spinneret orifice, the angle α between " three leaves " short slit is 60 °, the angle β between the length leaf is 150 °.The section melt temperature is 275 ℃～290 ℃, and spinning temperature is 288 ℃, and lateral blowing speed is 0.55m/s, and the lateral blowing temperature is 22 ℃, and spinning speed is 3000m/min, through high-speed winding, is prepared into polyester POY.POY makes low elastic polyester filament DTY through the processing of high speed draw texture.Obtain narrow flat cross hollow shape fiber, the cross section of its fiber is the long filament of shape as shown in Figure 3.
Embodiment 3: produce four jiaos of hollow shape polyester FDYs of 222dtex/48f.
Adopt melt direct spinning technical method of spinning and pulling one-step method.The PET melt is through spinning manifold, and measuring pump, filament spinning component are extruded from the spinneret orifice of spinnerets and formed the melt thread, and stretched cooling forms as-spun fibre, and as-spun fibre is prepared into polyester FDY through overheated drawing-off.
Its each orifice geometry of spinnerets of using as shown in Figure 5, the width of long slit is 0.08mm, length is 0.50mm, the width of lacking slit is 0.05mm, the length ratio of long and short slit is 2.0: 1.Angle α between the short slit of three leaves is 90 °, and the angle β between the length leaf is 135 °.
Spinning temperature is 288 ℃, and lateral blowing speed is 0.60m/s, and the lateral blowing temperature is 22 ℃, and spinning speed is 3000m/min, and drafting multiple is 1.65 times, reels through the high speed drawing-off, makes polyester FDY.
The shape of cross section of the foregoing description fiber product is the cross hollow shape, the degree of profile height of fiber, its relatively radially degree of profile can reach more than 55%, the relative cross-section degree of profile can reach more than 80%, degree of filling reaches below 0.65.See Table 1.
The square cross hollow shape of table 1 fiber degree of profile actual measurement calculated value
| Degree of profile index sample sequence number | D relatively radially R/％ | Average radial D M/％ | Theoretical radial D T/％ | Relative cross-section S R/％ | Averga cross section S M/％ | Theoretical section S T/％ | Branch degree B a | Degree of filling B b |
| Mean value | 75.24 | 120.68 | 99.76 | 93.84 | 61.08 | 43.02 | 29.07 | 0.60 |
| Irregularity CV% | 2.22 | 3.56 | 3.26 | 0.88 | 1.71 | 6.35 | 7.89 | 4.58 |
The above-mentioned specific embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (5)
1, the two special-shaped polyester filament yarns of a kind of polygonal hollow, it is characterized in that: the cross section inside of this polyester filament be hollow (3), its cross-sectional perimeter is four leaves (1), every leaf and all is radiation along hollow (3) center, and form the polyester filament of four grooves (2) capillary channel.
2, a kind of spinnerets of polygonal hollow shape polyester filament production usefulness, it is characterized in that: a lot of the identical spinneret orifices of structure are arranged on the spinnerets, each spinneret orifice is made up of four unit, each unit has a long slit (4) and two short slits (5) to constitute, form the trilobal micropore of a perforation, the short slit of each unit is symmetric arrangement inwardly, between the short slit of adjacent cells spacing is arranged, and does not connect mutually.
3, the spinnerets of a kind of polygonal hollow shape polyester filament production usefulness according to claim 2, it is characterized in that: the pitch of holes d of described adjacent spinneret orifice is 6.0～20.0mm, the gap between two short slits that join is 0.02～0.12mm.
4, the spinnerets of a kind of polygonal hollow shape polyester filament production usefulness according to claim 2, it is characterized in that: the width of described long and short slit is 0.05～0.12mm, the length of long slit is 0.20～1.10mm, and the length ratio of length slit is (1.4～2.5): 1.
5, the spinnerets of a kind of polygonal hollow shape polyester filament production usefulness according to claim 2 is characterized in that: the angle α between the described two short slits is 40 °～100 °; Angle β between the long and short slit is 110 °～160 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201919945U CN201151758Y (en) | 2007-11-06 | 2007-11-06 | Polygonal hollow polyester filament yarn and nozzle plate for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201919945U CN201151758Y (en) | 2007-11-06 | 2007-11-06 | Polygonal hollow polyester filament yarn and nozzle plate for producing the same |
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| Publication Number | Publication Date |
|---|---|
| CN201151758Y true CN201151758Y (en) | 2008-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201919945U Expired - Lifetime CN201151758Y (en) | 2007-11-06 | 2007-11-06 | Polygonal hollow polyester filament yarn and nozzle plate for producing the same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260924A (en) * | 2011-06-20 | 2011-11-30 | 浙江恒逸集团有限公司 | Spinneret plate and method for producing cross-shaped hollow high-imitation cotton fine-denier polyester yarns |
| CN103469323A (en) * | 2013-08-29 | 2013-12-25 | 李宁体育(上海)有限公司 | Bionic cross coffee carbon polyester fiber |
| CN104812949A (en) * | 2012-11-28 | 2015-07-29 | 东丽株式会社 | Polyamide crimped yarn for clothing and woven or knitted fabric for clothing comprising same |
| CN105239178A (en) * | 2015-10-30 | 2016-01-13 | 张家港欣阳化纤有限公司 | A flame-retardant breathable compound filament yarn and a preparation method thereof |
| CN113308755A (en) * | 2021-06-02 | 2021-08-27 | 太仓市洪宇新材料科技有限公司 | Super-hydrophobic antibacterial PBT fiber |
| CN116288761A (en) * | 2023-05-12 | 2023-06-23 | 江苏德力化纤有限公司 | Flash hollow polyester filament yarn and production equipment and preparation method thereof |
-
2007
- 2007-11-06 CN CNU2007201919945U patent/CN201151758Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260924A (en) * | 2011-06-20 | 2011-11-30 | 浙江恒逸集团有限公司 | Spinneret plate and method for producing cross-shaped hollow high-imitation cotton fine-denier polyester yarns |
| CN104812949A (en) * | 2012-11-28 | 2015-07-29 | 东丽株式会社 | Polyamide crimped yarn for clothing and woven or knitted fabric for clothing comprising same |
| CN103469323A (en) * | 2013-08-29 | 2013-12-25 | 李宁体育(上海)有限公司 | Bionic cross coffee carbon polyester fiber |
| CN103469323B (en) * | 2013-08-29 | 2015-11-25 | 李宁体育(上海)有限公司 | Bionical cross coffee carbon polyester fiber |
| CN105239178A (en) * | 2015-10-30 | 2016-01-13 | 张家港欣阳化纤有限公司 | A flame-retardant breathable compound filament yarn and a preparation method thereof |
| CN113308755A (en) * | 2021-06-02 | 2021-08-27 | 太仓市洪宇新材料科技有限公司 | Super-hydrophobic antibacterial PBT fiber |
| CN116288761A (en) * | 2023-05-12 | 2023-06-23 | 江苏德力化纤有限公司 | Flash hollow polyester filament yarn and production equipment and preparation method thereof |
| CN116288761B (en) * | 2023-05-12 | 2023-08-29 | 江苏德力化纤有限公司 | Flash hollow polyester filament yarn and production equipment and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081119 |