CN208562615U - A kind of conductive fiber composite spining module - Google Patents
A kind of conductive fiber composite spining module Download PDFInfo
- Publication number
- CN208562615U CN208562615U CN201820904604.2U CN201820904604U CN208562615U CN 208562615 U CN208562615 U CN 208562615U CN 201820904604 U CN201820904604 U CN 201820904604U CN 208562615 U CN208562615 U CN 208562615U
- Authority
- CN
- China
- Prior art keywords
- distribution plate
- spinning
- melt
- plate
- conductive fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model discloses a kind of conductive fiber composite spining modules, it is formed by being sequentially installed with feedboard, sealing plate, filter screen, distribution plate, adjustable plate and spinneret along melt flows direction,, quantity identical circular hole composition suitable with the lug boss position on lower distribution plate is distributed on adjustable plate, different Circularhole diameters can override the different area of two kinds of melt discharge holes, to achieve the purpose that change spinning parameter.As long as this filament spinning component simply changes the diameter of circular hole on adjustable plate, so that it may realize the good composite spinning state to different melt.
Description
Technical field
The utility model relates to a kind of conductive fiber composite spining module, which can be used for adding containing high concentration function
The melt of agent is processed into the spinning process of function and service fiber using composite spinning technology, particularly suitable for Compound spinning conduction
It is used in fiber production, belongs to specialty synthetic fibre production technical field, specially a kind of conductive fiber composite spining module.
Background technique
Chemical fibre is produced using melt spinning in industrial production, wherein composite spinning technology should be primarily used to following several
Aspect.First is that dissolving one of component for after producing superfine fibre, such as polyester-nylon composite spinning, obtain only being left one
The superfine fibre of a component；Second is that elastomer of the production from curling, for example, by using the mode of PET/PTT composite spinning arranged side by side,
Curl is generated from as-spun fibre through the cooling shrinkage different with when drawing-off during the spinning process by two kinds of components；Three
It is to realize that the functionalization of fiber needs to add high concentration functional materials and carries out the situation of composite spinning, such as conductive fiber
Manufacture, exceed threshold value since the additive amount of electric conductivity and conductive materials has one to seep, i.e., the electric conductivity of conductive fiber not only with
Whether the total amount of conductive agent is related in fiber, also concentrate with conductive agent related, such as to be equally that conductive carbon black is that 8% mixing is spun fine
Peacekeeping Compound spinning fiber (wherein 8% conductive carbon black concentrates on continuous 20% current-carrying part), the former resistivity are greater than 107
Ω cm, and the resistivity of the latter is smaller than 102 Ω cm, 105 or more the two difference.Above several situations are due to different melt
The difference of differences in rheology, the requirement to component is also different, especially to the Compound spinning containing high concentration functional materials
Silk is a more challenging job.
The addition of high concentration conductive agent makes the rheological characteristic of melt that very big change have occurred, but mainly has unfavorable change
Become, such as spinnability reduces.And it with different conductive agents such as conductive carbon black or metal conductive oxide agent and uses
Different auxiliary agents manufactures functional agglomerate, and the change to the rheological characteristic of melt is also all different.In this way, using identical size
Filament spinning component, the then composite effect that cannot be satisfied with and production are as a result, even spinning fails sometimes.Therefore compel to be essential in production
Can be according to the composite spining module of the rheological property of melt adjusting spinning parameter.
In the filament spinning component of the prior art, in order to improve the spinnability of different conductive agglomerates, difference will be manufactured repeatedly
The composite component of size, with search out be suitble to and preferable modular construction, due to component processing particularity, from material selection to
Machining accuracy, be all one cause high effort for expensive thing, spinning different cultivars, using different master batch raw material etc., also all
A large amount of man power and materials are spent to be debugged in the hope of ideal spinning state.
The similarity that the spinnability of composite spinning depends on two kinds of melt compound tenses is the degree of cooperation of basic demand, that is, is spun
Silk parameter, including melt viscosity, melt partial pressure etc..
One kind is described in the compound porous type hollow fiber spinning component of patent of invention ZL98111066.5 side by side bicomponent
Composite regulating board, effect are " play storage, buffer, establish pressure and make that bi-component is stable, quantitatively passes through guide hole ", are to having answered
The bi-component of conjunction plays a role, the purpose is to enable compound bi-component to be stabilized, and the adjustable plate of the utility model
It is preceding progress pressure adjusting compound to two components, realizes good composite effect.
Summary of the invention
For deficiency existing for existing filament spinning component, the utility model people has studied the rheological behavior of melt in melt spinning
It is how to influence spinning parameter, analyzes during composite spinning melt flow process, temperature, pressure and speed in assembly
It is very big to find that the geometric dimension of the compound preceding discharge port of compounding ingredients influences spinning parameter, and then influences spinning for equal changing factors
The spinnability of silk and the quality of fiber, increase by one piece of adjustable plate between distribution plate and spinneret, adjust the spinning of spinning process
Parameter completes the utility model.
Specifically, providing a kind of conductive fiber composite spining module, which is characterized in that filament spinning component is two kinds of different melts
Rheological characteristic and the composite spining module for adjusting spinning parameter, the composite spining module includes assembly housing, and is located at component shell
Feedboard, gasket, filter screen, Sha Chi, distribution plate, adjustable plate and spinneret are sequentially installed with along melt flows direction in vivo；
Distribution plate includes upper distribution plate, middle distribution plate and lower distribution plate；
The upper distribution plate, middle distribution plate and lower distribution plate are successively arranged between gasket and spinneret from top to bottom；
Feedboard and feedboard melt flow channel and upper point has been symmetrically arranged along filament spinning component center with upper distribution plate
Matching board melt flow channel, the feedboard melt flow channel are connected to by gasket with upper distribution plate melt flow channel, the middle distribution plate
On be provided with multiple flat bottomed recess, multiple apertures are opened up on each flat bottomed recess and are through to lower bottom part, the upper distribution plate melt flow
Road is connected with the flat bottomed recess on middle distribution plate,
Lower distribution plate top is provided with a plurality of round bottom groove, and multiple counterbores, lower distribution is distributed in every round bottom bottom portion of groove
Round boss is set on plate lower bottom part,
One adjustable plate is set between distribution plate and spinneret；
The filter screen is mounted within the flat card slot in sand pond, and filter sand is uniformly covered on filter screen.
Spinneret orifice is provided on the spinneret.
Improvement to above-mentioned technical proposal, spinneret orifice are made of vertical guide hole and spinning nozzle, and the spinning nozzle is along molten
Body flow direction is in up big and down small pyramidal structure.
3 round bottom grooves, every round bottom bottom portion of groove distribution 8 are arranged at improvement to above-mentioned technical proposal, lower distribution plate top
A counterbore has a round boss on lower distribution plate lower bottom part.
Improvement to above-mentioned technical proposal is circumferentially uniformly provided with 3 grooves on the round boss and 3 convex
Platform circular hole, the groove and the setting of boss circular hole interval,
The groove section is that each head in strip channel part with domed head and connection head is convex towards circle
Platform center of circle direction.
Improvement to above-mentioned technical proposal, feedboard melt flow channel and upper distribution plate melt flow channel are the stream of circular mold cavity
Road.
Improvement to above-mentioned technical proposal, adjustable plate rounded structure are provided on adjustable plate multiple convex with lower distribution plate
The corresponding adjustable plate circular hole identical with quantity in platform position.
Utility model has the advantages that
1. an assembly housing face shaping is square, component internal is made of central portion, convenient for the logical of melt distribution
The design in road；
2. component is by replacing different adjustable plates, the composite effect for being just adjustable spinning parameter, improving two kinds of components；
3. component is suitable for adding the terylene conductive fiber of high concentration functional agglomerate composite spinning, polyamide fibre conductive fiber
Spinning and other similar chemical fibre compounding process:
4. the utility model is due to feedboard, the special flow passage of distribution plate so that melt before spraying forming very in short-term
Interior adequately to be mixed, the tow fineness of ejection is uniform, and quality is stablized.
Detailed description of the invention
Fig. 1: composite spining module generally longitudinally schematic cross-sectional view.
Fig. 2: the flat card slot schematic diagram of filter screen and sand pond.
Fig. 3: middle distribution plate schematic diagram.
Fig. 4: lower distribution plate schematic cross-sectional view.
Fig. 5: adjustable plate schematic diagram.
Fig. 6: boss structure figure.
Fig. 7: spinneret orifice schematic diagram.
Specific embodiment
Below with reference to specific drawings and examples, the utility model is described in further detail.
As shown in figs. 1-7, the utility model provides a kind of conductive fiber composite spining module, which is characterized in that spinning group
Part adjusts the composite spining module of spinning parameter for two kinds of different melt rheological characteristics, and the composite spining module includes component shell
Body 20, and in assembly housing along melt flows direction be sequentially installed with feedboard 1, gasket 2, filter screen 8, sand pond 9,
Distribution plate, adjustable plate 6 and spinneret 7；
Two kinds of component A, B melts of composite spinning from the top of feedboard enter, through upper distribution plate 3, middle distribution plate 4, under
Distribution plate 5, and spinneret transition taper guide hole is imported according to the discharge port that the rheological property of melt has adjusted size through adjustable plate,
Finally sprayed from spinneret orifice.According to melt spinning theory, the variation of spinning parameter is that compound preceding discharging pore size is related at all,
Including shear velocity, spinneret draft multiple, pressure drop etc., therefore the utility model is by adjusting pore size with can be convenient
What size realized spinning parameter facilitates adjusting.
Distribution plate includes upper distribution plate 3, middle distribution plate 4 and lower distribution plate 5；
The upper distribution plate, middle distribution plate and lower distribution plate be successively arranged in from top to bottom gasket 2 and spinneret 7 it
Between；
Feedboard 1 and upper distribution plate 3 have been symmetrically arranged feedboard melt flow channel 100 and upper along filament spinning component center
Distribution plate melt flow channel 300, the feedboard melt flow channel are connected to by gasket 2 with upper distribution plate melt flow channel,
It is provided with multiple flat bottomed recess 18 on the middle distribution plate 4, multiple apertures 19 are opened up on each flat bottomed recess and are through to
Lower bottom part, the upper distribution plate melt flow channel are connected with the flat bottomed recess on middle distribution plate,
5 top of lower distribution plate is provided with a plurality of round bottom groove 12, and multiple counterbores 13 are distributed in every round bottom bottom portion of groove,
Round boss 14 is set on 5 lower bottom part of lower distribution plate,
One adjustable plate 6 is set between distribution plate and spinneret；By adjustable plate adjusting grooves discharge port size, subsequently into
In 6 pinning hole of spinneret, formed compound after two kinds of melts of A, B are compound in spinneret pinning hole by 10 spinneret of spinneret orifice
Conductive filament, finally by side-blown air cooling, oil, drawing-off and winding, obtain ideal Compound spinning chemical fibre.
The circular hole of different-diameter can override the different area of two kinds of melt discharge ports on adjustable plate.It is this to be adjusted
Discharge port size can estimated by theoretical calculation in advance, can be using the group for disposably pre-installing several different discharge port sizes
Part, the spinning technology parameter of system just can be obtained by a test run, determine spinning technique with most fast speed.
The filter screen 8 is mounted within the flat card slot 17 in sand pond 9, and filter sand is uniformly covered on filter screen.
Spinneret orifice is provided on the spinneret.
Improvement to above-mentioned technical proposal, spinneret orifice are made of vertical guide hole 11 and spinning nozzle 10, the spinning nozzle edge
Melt flows direction be in up big and down small pyramidal structure.
3 round bottom grooves 12, every round bottom groove-bottom part are arranged at improvement to above-mentioned technical proposal, 5 top of lower distribution plate
8 counterbores 13 of cloth have 8 round boss 14 on 5 lower bottom part of lower distribution plate.
Improvement to above-mentioned technical proposal is circumferentially uniformly provided with 3 grooves 15 and 3 on the round boss
Boss circular hole 16, the groove and the setting of boss circular hole interval,
15 section of groove is each head in strip channel part 15.2 with domed head 15.1 and connection head
Towards round boss center of circle direction.
Improvement to above-mentioned technical proposal, feedboard melt flow channel and upper distribution plate melt flow channel are the stream of circular mold cavity
Road.
Improvement to above-mentioned technical proposal, the rounded structure of adjustable plate 6 are provided on adjustable plate multiple with lower distribution plate 5
The corresponding adjustable plate circular hole 61 identical with quantity of lug boss position.
It is described as follows so that composite spinning prepares the technique of conductive fiber as an example in the utility model:
To solve crystalline stability and uniformity in polyester slice drying process, the moisture content of slice is controlled relatively low
Range, use technical solution below: polyester slice fluidized bed is pre-crystallized, and temperature is 170 DEG C, and dry tower entrance wind-warm syndrome is
165 DEG C, dry wind flow is 180m3/ h, dew point is -70 DEG C hereinafter, drying time 6-8 hour, poly- after the technique is dry
Ester dry chip moisture control is in 30ppm or less；PET conductive agglomerate is dry using vacuum drum, and drying air temperature is 120~
140 DEG C, vacuum degree 0.001MPa, drying time is 10~15 hours, and moisture control is in 60ppm or less.
PET conductive agglomerate and PET are sliced in the utility model is conveyed with two groups of screw extruder meltings respectively, melt difference
The allocated pipeline enters spinning manifold, and melt is respectively after respective metering pump accurate measurement, and (current-carrying part accounts for by a certain percentage
20wt%~50wt% of composite fibre total weight) it is compound into composite spining module, then it is evenly distributed to compound spray
Each spinneret orifice of filament plate, is projected from spinneret orifice, forms melt stream.Melt stream is cooled air cooling, is frozen into nascent
Fiber, wherein cross air blasting wind pressure is 50~500Pa, and wind speed is 0.4~1.0m/s；Wind-warm syndrome is 15~20 DEG C, wind moisture 65%
~80%.Primery vascular bundle reaches rolling step after filar guide is by oil solution dedicated oil, through path, changes through upper and lower draw-off godet
After becoming trend, adjusting tension, it is wound into spinning cake into up- coiler, drawing-off winding speed is 2500~4500m/min.
The effect of actual use
As shown in Figure 1, the sealing of this component is to be sealed by abradant surface with bolt presses, sealing structure is simple, reliably；It is multiple
The part of component has interchangeability, and 2 dowel holes are distributed in diagonal line on every block of plate in component, and connection bolt is high-intensitive
Spiral shell inspection.After entire component is assembled with bolt, manifold is pushed by dedicated component installation tool and is docked with cabinet, user
Just.
Embodiment 1
Using boss structure as shown in FIG. 6,20D/4f trilobal PET conductive fiber is spinned, the use of viscosity is 0.67g/
The PET of dl is sliced, and conductive agglomerate uses the terylene conductive agglomerate of Suzhou Bao Li plastic material company, and 235 DEG C of fusing point, melt index
For 100g/10min (265 DEG C, 5 kilograms of counterweights).Round hole walks PET melt, and groove walks conductive melt.
Use two screw extruder meltings defeated respectively dried 80 kilograms of non-conductive section PET slice and conductive agglomerate
Melt is sent, each area's temperature setting of screw extruder is as follows:
Conveying conductive melt screw rod: 220 DEG C, 250 DEG C, 256 DEG C, 260 DEG C, 260 DEG C
Conveying PET melt screw rod: 250 DEG C, 275 DEG C, 288 DEG C, 288 DEG C, 288 DEG C
Spin manifold temperature: 289 DEG C
Melt is respectively after respective metering pump accurate measurement, and (current-carrying part accounts for total weight of fiber by a certain percentage
It is compound 20wt%) to enter trilobal composite spining module, Circularhole diameter is Φ 3.5mm on adjustable plate.Last compounding flux from
It is projected in spinneret orifice, forms melt stream.Melt stream is cooled air cooling, is frozen into nascent strand, wherein cross air blasting wind pressure
For 80Pa, wind speed 0.8m/s；Wind-warm syndrome is 20 DEG C, wind moisture 85%.Tow is oiled through filar guide by oil solution dedicated after cooling
Afterwards, rolling step is reached by path, after upper and lower draw-off godet changes trend, adjusts tension, is wound into spinning cake into up- coiler,
Drawing-off winding speed is 3800m/min.
Conductive melt side component pressure is low in spinning process, and fibre section shows unevenly distributed, and easily float silk, and spinnability is not
It is good.
Embodiment 2
Such as the slice and spinning condition of embodiment 1, the diameter for changing circular hole on adjustable plate is Φ 3.3mm, hence it is evident that is improved
Spinnability.Obtain 20D/4f trilobal composite conducting fiber.Megger measuring resistance is 2.5x106Ω/cm, resistivity are 50 Ω
Cm, fibre strength 2.6cN/dtex, extension at break 56%.
Embodiment 3
Such as the slice and spinning condition of embodiment 1, the diameter for changing circular hole on adjustable plate is Φ 3.1mm, good spinnability.?
To 20D/4f trilobal composite conducting fiber.Megger measuring resistance is 2.0x106Ω/cm, resistivity are 50 Ω cm, and fiber is strong
Spend 2.75cN/dtex, extension at break 50%.
Influence of the Circularhole diameter to spinning parameter is as follows on adjustable plate:
By embodiment it can be found that changing the diameter of circular hole on adjustable plate, so that it may effectively change the spinning of composite spinning
Parameter changes the composite performance of two kinds of melts and the uniformity of composite conducting fiber, reaches the purpose of this utility model.
Obviously, above-described embodiment is merely examples for clearly illustrating the present invention, and is not practical to this
The restriction of novel embodiment.It for those of ordinary skill in the art, on the basis of the above description can be with
Make other various forms of variations.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this reality
The obvious changes or variations extended out with novel spirit still in the protection scope of the utility model among.
Claims (6)
1. a kind of conductive fiber composite spining module, which is characterized in that filament spinning component is adjusted for two kinds of different melt rheological characteristics
The composite spining module of spinning parameter, the composite spining module include assembly housing (20), and are located in assembly housing along molten
Body flow direction be sequentially installed with feedboard (1), gasket (2), filter screen (8), sand pond (9), distribution plate, adjustable plate (6) and
Spinneret (7)；
Distribution plate includes upper distribution plate (3), middle distribution plate (4) and lower distribution plate (5)；
The upper distribution plate, middle distribution plate and lower distribution plate be successively arranged in from top to bottom gasket (2) and spinneret (7) it
Between；
Feedboard (1) and upper distribution plate (3) along filament spinning component center be symmetrically arranged feedboard melt flow channel (100) and
Upper distribution plate melt flow channel (300), the feedboard melt flow channel are connected to by gasket (2) with upper distribution plate melt flow channel；
It is provided with multiple flat bottomed recess (18) on the middle distribution plate (4), multiple apertures (19) is opened up on each flat bottomed recess and are run through
To lower bottom part, the upper distribution plate melt flow channel is connected with the flat bottomed recess on middle distribution plate；
Lower distribution plate (5) top is provided with a plurality of round bottom groove (12), and multiple counterbores (13) are distributed in every round bottom bottom portion of groove,
Round boss (14) are set on lower distribution plate (5) lower bottom part；
One adjustable plate (6) is set between distribution plate and spinneret；The filter screen (8) is mounted on the flat card slot in sand pond (9)
(17) within, filter sand is uniformly covered on filter screen；
Spinneret orifice is provided on the spinneret.
2. a kind of conductive fiber composite spining module as described in claim 1, which is characterized in that the spinneret orifice is by vertical
Guide hole (11) and spinning nozzle (10) are constituted, and the spinning nozzle is in up big and down small pyramidal structure along melt flows direction.
3. a kind of conductive fiber composite spining module as described in claim 1, which is characterized in that lower distribution plate (5) top has 3
Round bottom groove (12), every round bottom bottom portion of groove are distributed 8 counterbores (13), have 8 circles convex on lower distribution plate (5) lower bottom part
Platform (14).
4. a kind of conductive fiber composite spining module as described in claim 1, which is characterized in that on the round boss along
Even circumferential offers 3 grooves (15) and 3 boss circular holes (16), the groove and the setting of boss circular hole interval；
Groove (15) section is the strip channel part (15.2) with domed head (15.1) and connection head, each head
Portion is towards round boss center of circle direction.
5. a kind of conductive fiber composite spining module as described in claim 1, which is characterized in that feedboard melt flow channel and upper
Distribution plate melt flow channel is the runner of circular mold cavity.
6. a kind of conductive fiber composite spining module as described in claim 1, which is characterized in that adjustable plate (6) rounded knot
Structure is provided with the identical adjustable plate circular hole (61) of multiple and quantity corresponding with lower distribution plate (5) lug boss position on adjustable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820904604.2U CN208562615U (en) | 2018-06-12 | 2018-06-12 | A kind of conductive fiber composite spining module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820904604.2U CN208562615U (en) | 2018-06-12 | 2018-06-12 | A kind of conductive fiber composite spining module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208562615U true CN208562615U (en) | 2019-03-01 |
Family
ID=65485887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820904604.2U Active CN208562615U (en) | 2018-06-12 | 2018-06-12 | A kind of conductive fiber composite spining module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208562615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517575A (en) * | 2018-06-12 | 2018-09-11 | 江苏中杰澳新材料有限公司 | A kind of conductive fiber composite spining module |
| CN111501113A (en) * | 2020-03-27 | 2020-08-07 | 金湖仁泰化纤有限公司 | Spinning box for producing modified polypropylene monofilaments |
-
2018
- 2018-06-12 CN CN201820904604.2U patent/CN208562615U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517575A (en) * | 2018-06-12 | 2018-09-11 | 江苏中杰澳新材料有限公司 | A kind of conductive fiber composite spining module |
| CN111501113A (en) * | 2020-03-27 | 2020-08-07 | 金湖仁泰化纤有限公司 | Spinning box for producing modified polypropylene monofilaments |
| CN111501113B (en) * | 2020-03-27 | 2021-08-27 | 金湖仁泰化纤有限公司 | Spinning box for producing modified polypropylene monofilaments |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108517575A (en) | A kind of conductive fiber composite spining module | |
| CN103590139B (en) | A kind of powerful three-dimensional crimp memory fiber and manufacture method thereof | |
| CN208562615U (en) | A kind of conductive fiber composite spining module | |
| CN102747438B (en) | A kind of production method of 20D/24F full-dull nylon 6 full-drawn yarn | |
| CN109487352B (en) | Graphene polylactic acid bi-component composite fiber and preparation method and equipment thereof | |
| CN102168320A (en) | Production technology for producing porous fine denier colored terylene pre-oriented filament by utilizing recycled polyester bottle flakes | |
| CN107012522A (en) | Produce the production line and its production technology of Three-dimensional crimped hollow type terylene short fiber | |
| CN111206298A (en) | Preparation method of skin-core composite structure dope-colored red chinlon 6 fiber | |
| CN103436972A (en) | Method for preparing multi-component composite fibers | |
| CN104480555A (en) | Production process of high-elasticity-feature terylene pre-oriented fibers | |
| CN104213228A (en) | Production process of heavy-denier lustrous high-strength nylon 6 full-drawn fiber | |
| CN104480556A (en) | Production process of high-speed spinning type potential crinkled polyester filament yarns | |
| CN103866405B (en) | A kind of high density holes profiled filaments and preparation method thereof | |
| CN104451922A (en) | Special-shaped spinneret plate and method for producing square-section colored FDY through special-shaped spinneret plate | |
| CN219260293U (en) | Spinneret plate for producing high-performance sheath-core type two-component fibers | |
| CN103696034A (en) | Production method of full-dull fine denier or ultrafine denier nylon 6 FDY filaments | |
| CN104451919A (en) | Production technology for orderly dacron bamboo node yarns of identical specification | |
| CN113249801A (en) | Nylon 6 semi-dull in-situ black silk production process | |
| CN102704021A (en) | Method and composite spinning component for preparing ferris wheel sea island composite short fibers | |
| CN104562275A (en) | Porous micro-fine denier nylon 6 POY filament yarns and preparation method thereof | |
| CN104480557A (en) | Chinlon 6 high-strength and fine-denier full-drawn yarns with flattened circular section and preparation method thereof | |
| CN204509525U (en) | The spray silk structure of PLA bi-component composite fiber single spraying hole filament spinning component | |
| CN101270504A (en) | Technique for preparing returnable bottle piece spinning hollow fiber | |
| CN103305941A (en) | Superfine polyester flat yarns and preparation process for same | |
| CN101942703A (en) | Spinning spinneret for polyphenylene sulfide fiber high-capacity spinning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |