CN106757406A - A kind of production method of full-dull modified dacron - Google Patents
A kind of production method of full-dull modified dacron Download PDFInfo
- Publication number
- CN106757406A CN106757406A CN201611077316.6A CN201611077316A CN106757406A CN 106757406 A CN106757406 A CN 106757406A CN 201611077316 A CN201611077316 A CN 201611077316A CN 106757406 A CN106757406 A CN 106757406A
- Authority
- CN
- China
- Prior art keywords
- dull
- full
- production method
- master batch
- melt
- 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.)
- Pending
Links
Classifications
-
- 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
- D01D13/00—Complete machines for producing artificial threads
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
-
- 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
- D01D10/04—Supporting filaments or the like during their treatment
- D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
-
- 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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
Abstract
The invention discloses a kind of production method of full-dull modified dacron, comprise the following steps, master batch enters spinning manifold after master batch high hopper, screw rod melt extruded, master batch measuring pump, melt dynamic mixer, melt static mixer through being transported to after drying system carries out crystallizing and drying to sequentially pass through, then the polyester fondant for and through melt cooler cooling down carries out polymerisation in spinning manifold, then sequentially pass through measuring pump, spinneret, ring wind quenching, oil nozzle oil, filar guide, pre- network, GR1, GR2 coiling and molding, packaging and warehousing after product inspection.The production method condition of production is relatively stable, and product appearance is excellent with dyeing, and rear road weaving is smooth.
Description
Technical field：
It is especially a kind of production method of full-dull modified dacron the present invention relates to PET production technology.
Background technology：
Since Eleventh Five-Year Plan, China's chemical fibre industry is constantly in the situation of high speed development, and chemical fibre yield grows at top speed, closely
In the past few years the situation of domestic chemical fiber industry production capacity surplus has been highlighted.The overall background that chemical fibre Market Situation allows of no optimist in the world today
Under, in the case where cost of material accounts for industry production cost 87% and an oil price high position, Chemical Fibre Industry of China continues to digest oil price pressure
Power and the downstream reduced capability of transfer cost pressure, enterprise want to pull through their difficulties, and are stood in fierce market competition
Invincible position, must just walk the road of technological innovation, and the competitiveness of oneself is kept by the differentiation of product, functionalization.Also,
Special fibre kind with high added value will also turn into the dominant direction of the market demand from now on.Existing full-dull modified dacron
There is spinning and produce the shortcomings of consumption is high, and DTY adds bullet hardware condition high, shakes socks dyeing and is also easy to produce vitta, rear road fabric requires high
And difficult point, therefore in the market is more rare, it is impossible to meet the needs of customers.
The content of the invention：
It is relatively stable that the technical problems to be solved by the invention are to provide a kind of condition of production, product appearance with dye it is excellent
Good, the production method of smoothly full-dull modified dacron, the face of the full-dull modified dacron making of the method production are weaved in rear road
Material reduces that fiber is reflective and glitter, and gloss is soft, and deep-cutting gorge is good, and shielding is strong.
Technical solution of the invention is to provide a kind of production method of full-dull modified dacron, comprises the following steps,
Master batch sequentially passes through master batch high hopper, screw rod melt extruded, master batch metering through being transported to after drying system carries out crystallizing and drying
Enter spinning manifold after pump, melt dynamic mixer, melt static mixer, the polyester for then and through melt cooler cooling down melts
Body carries out polymerisation in spinning manifold, then sequentially pass through measuring pump, spinneret, ring wind quenching, oil nozzle oil, filar guide,
Packaging and warehousing after pre- network, GR1, GR2 coiling and molding, product inspection.
Using compared with prior art, the present invention has advantages below after above technology：Originally when semi-dull POY is spinned
Pre- Network device position is arranged between godet GR1 and godet GR2, POY full-dull products is produced with this understanding, due to full-dull
Big compared to semi-dull tow tension, stress is larger between monofilament, and product produces outward appearance lousiness more, has a strong impact on excellent rate, so
Into the problem that emphasis is captured, bold adjustment is made to pre- network site now.Pre- network site is reequiped to godet GR1
Before, what tow completed to oil before godet homogenizes so that the Silk Road on godet substantially will stably before relatively transforming, and lousiness phenomenon is obvious
Improved；Increase by one group of static mixer and dynamic mixer on melt pipe so that master batch is with melt mixed evenly；
By the production method, the more rare full-dull terylene of in the market can be produced, product is realized mass production and seriation, it is new to produce
Compared with common semi-dull, content of titanium dioxide is controlled in 2.2% or so, about its 10 times product.
Preferably, online in polymerization process add dihydroxylic alcohols.Online addition two is taken in polymerization process
The method of first alcohol, substantially improves the suction color performance of product, the vividness of road fabric color after increase.
Preferably, drying system using filling continous way, drying master batch from top to bottom with dry air counter current contacting, reach
Drying purpose, dry air is formed by compressed air through drying machine dehumidification, minimum reachable -70 DEG C of dew-point temperature, finally dries stepmother
Grain section is aqueous up to below 50ppm.
Preferably, spinning screw is divided into the independent computer heating control in multiple areas, to ensure temperature during master batch melting extrusion
Rationally control is stable for distribution.
Preferably, the spinneret orifice of spinneret is designed to circular concentric arrangement.With matt master in further lifting assembly
Scattered uniformity in the melt, so that it is guaranteed that the regularity of product microstructure.
Preferably, the measurement head of screw rod, melt pipe are heated by independent vapour phase biphenyl.
Further, designed before spinning manifold and increase melt injecting systems, realize that delustering agent injects addition online.Change
Having become the big device of fused mass directly spinning cannot produce the present situation of fibre in differentiation.
Specific embodiment：
With regard to specific embodiment, the invention will be further described below：
A kind of production method of full-dull modified dacron, is comprised the following steps, and master batch is tied through being transported to drying system
Crystalline substance sequentially passes through master batch high hopper, screw rod melt extruded, master batch measuring pump, melt dynamic mixer, melt after drying static
Enter spinning manifold after blender, while polyester fondant is by pipeline, booster pump leads to again after entering melt cooler cooling
Piping carries out polymerisation in delivering into spinning manifold with master batch melt, then sequentially passes through measuring pump, spinneret, ring blowing
Cooling, oil nozzle oil, filar guide, pre- network, GR1, GR2 coiling and molding, packaging and warehousing after product inspection, it is also, anti-in polymerization
Online addition dihydroxylic alcohols during answering.Specifically, the spinning of the POY spinning production lines in German Oerlikon bar mug(unit of measure) a complete set of equipment
Melt injecting systems are designed and increased before casing, and melt injecting systems use the product of the poly- new science and technology Co., Ltd production in Wuxi,
So as to realize that delustering agent injects addition online, changing the big device of fused mass directly spinning cannot produce the present situation of fibre in differentiation；Selection
The spinning production line of cooling is blown in 66mm plates footpath, ring, spinneret hole autonomous Design concentrically circular arrangement；To atomizer model, on
The key point that oily mode and spinning oil, additive etc. directly affect new product quality optimizes improvement.Wherein, masterbatch injection
Drying system in scheme is filling continous way, drying master batch from top to bottom with dry air counter current contacting, reach drying purpose, do
Air is formed by compressed air through drying machine dehumidification, reachable -70 DEG C of dew-point temperature, and master batch section is aqueous reachable after finally drying
Below 50ppm；Screw rod injection system is by a screw extruder and an injection measurement pump group into addition master batch is melted through screw rod
Extruding, into melt pipe after metering pump-metered, and optimize, the measurement head of screw rod, melt pipe join by independent vapour phase
Benzene is heated, and spinning screw is divided into the independent computer heating control in multiple areas, is rationally controlled with temperature distribution during ensureing master batch melting extrusion
System stabilization, while having the low material position warning function of feed bin；Master batch melt considers addition master batch with the mixing portion of polyester fondant
With the uniformity of melt mixed, one group of dynamic mixer and static mixer are increased on melt pipe, mixed effect is by dynamic
The rotating speed of state blender is adjusted.
The selection of oil nozzle model.For full-dull POY products, the uniformity that tow oils decide product dyeing,
The performances such as outward appearance, are also the basic guarantee of rear road weaving stability.By taking the super delustring POY135dtex/72F of terylene as an example, tow warp
Supercooling, boundling are oiled, wound, wherein the uniformity that suitable oil nozzle model not only influences tow to oil is selected, to the Silk Road
Stability also plays conclusive effect.Under identical process conditions, according to the experience for producing other series of products fine denier filaments,
Relative tension size, the composite factor such as the Silk Road stability and product appearance, 3651 oil nozzle original-pack to Ba Mage, the shallow 1.0* of Japanese soup
2.0 oil nozzles, the shallow 0.5*1.0 oil nozzles of Japanese soup, the service condition of four kinds of atomizers of OJ160 oil nozzles are tested.According to experiment
As a result final choice uses the shallow 1.0*2.0 oil nozzles of Japanese soup.Specific test situation is shown in Table 1.
(table 1) oil nozzle uses experiment table
The selection of finish.Under same process and the Silk Road system condition, selection at present in the industry popularity it is of a relatively high four
Plant POY finishes to be tested, it is equal that Optimality, product appearance, the condition of production and the rear plus bullet DTY oiled according to tow are dyeed
Even property, finally determines that optimal oil-type number is Germany L165.Specific test situation is shown in Table 2.
(table 2) finish uses experiment table
Wind the transformation of the Silk Road system.Original pre- Network device position when semi-dull POY is spinned is arranged on godet GR1 and leads
Between disk GR2, network pressure is set as 0.06MPA.POY full-dull products are produced with this understanding, because full-dull is compared to half
Delustring tow tension is big, and stress is larger between monofilament, and product produces outward appearance lousiness more, has a strong impact on excellent rate, so into again
The problem that point is captured.By absorbing all the useful ideas, with reference to research and development experience for many years, bold tune is made to pre- network site and air pressure
It is whole.Pre- network site is reequiped to godet GR1, what tow completed to oil before godet homogenizes so that the Silk Road on godet compared with
Substantially to stablize before transformation, lousiness phenomenon is substantially improved, simultaneously as the reason for full-dull tension force is big, is meeting on tow
Under the premise of oil is homogenized, while gas is economized in consideration, air pressure is slowly tuned up by observation product appearance and index by experiment, finally
Determine that pre- network air pressure is 0.1MPA.
Preferably, preferably, online in polymerization process add dihydroxylic alcohols.Taken in polymerization process
The method that line adds dihydroxylic alcohols, substantially improves the suction color performance of product, the vividness of road fabric color after increase.
New product processing parameter and the key technical indexes
The spinning of table 3 items processing parameter
The new product the key technical indexes of table 4
| Sequence number | Index subjet | Unit | Testing result |
| 1 | Specification | dtex/f | 133/72 |
| 2 | Line density deviation ratio | % | -0.5 |
| 3 | Fineness-unevenness rate | CV (%) | 0.28 |
| 4 | Fracture strength | CN/dtex | 2.33 |
| 5 | Fracture strength irregularity | % | 2.75 |
| 6 | Elongation at break | % | 127.4 |
| 7 | Extension at break irregularity | % | 2.84 |
| 8 | Yarn unevenness | % | 0.93 |
| 9 | Oil content | % | 0.69 |
| 10 | Content of titanium dioxide | % | 2.2 |
Should production method production new product compared with common semi-dull, content of titanium dioxide control 2.2% or so,
About its 10 times, new product is carried out plus bullet, warp knit are weaved, cut open width, carding, hot light, dyeing, the fabric finished product being finally made, because
Dulling agent content is up to 10 times of common semi-dull or so, fabric reflective and the glitter reduction being finally made, with gloss
Soft, deep-cutting gorge is good, and shielding waits by force own characteristic.New product is by adding each operation such as bullet, warp knit weaving, fulling milling, fluffing
After be made method Lay velvet fabric, fabric is mainly used in flannelette blanket, home wear, nightwear, Western-style trousers, jacket, children's garment etc., and slim can also be used for
Shirt and skirt, application field are extremely wide, and fabric style is unique comfortable, and gloss grace is generous, firmly gets client and likes.
Claims (7)
1. a kind of production method of full-dull modified dacron, it is characterised in that：Comprise the following steps, master batch is through being transported to dry system
System sequentially pass through after crystallizing and drying master batch high hopper, screw rod melt extruded, master batch measuring pump, melt dynamic mixer,
Enter spinning manifold after melt static mixer, then and through the polyester fondant that melt cooler is cooled down gathered in spinning manifold
Close reaction, then sequentially pass through measuring pump, spinneret, ring wind quenching, oil nozzle oil, filar guide, pre- network, GR1, GR2 winding
Packaging and warehousing after shaping, product inspection.
2. the production method of full-dull modified dacron according to claim 1, it is characterised in that：In polymerization process
Online addition dihydroxylic alcohols.
3. the production method of full-dull modified dacron according to claim 1, it is characterised in that：Drying system is using filling
Continous way, drying master batch from top to bottom with dry air counter current contacting, reach drying purpose, dry air is by compressed air through drying machine
Dehumidification is formed, minimum reachable -70 DEG C of dew-point temperature, and master batch section is aqueous up to below 50ppm after finally drying.
4. the production method of full-dull modified dacron according to claim 1, it is characterised in that：Spinning screw is divided into multiple
The independent computer heating control in area, stabilization is rationally controlled with temperature distribution during ensureing master batch melting extrusion.
5. the production method of full-dull modified dacron according to claim 1, it is characterised in that：The spinneret orifice of spinneret sets
Count concentrically circular arrangement.
6. the production method of full-dull modified dacron according to claim 1, it is characterised in that：Designed before spinning manifold
And increase melt injecting systems, realize that delustering agent injects addition online.
7. the production method of full-dull modified dacron according to claim 1, it is characterised in that：It is the measurement head of screw rod, molten
Body pipeline is heated by independent vapour phase biphenyl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077316.6A CN106757406A (en) | 2016-11-30 | 2016-11-30 | A kind of production method of full-dull modified dacron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077316.6A CN106757406A (en) | 2016-11-30 | 2016-11-30 | A kind of production method of full-dull modified dacron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106757406A true CN106757406A (en) | 2017-05-31 |
Family
ID=58898729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611077316.6A Pending CN106757406A (en) | 2016-11-30 | 2016-11-30 | A kind of production method of full-dull modified dacron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106757406A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254504A (en) * | 2020-02-19 | 2020-06-09 | 江苏恒科新材料有限公司 | Full-dull light-weight moisture-absorbing quick-drying polyester fiber and preparation method thereof |
| CN113151914A (en) * | 2021-03-06 | 2021-07-23 | 桐昆集团股份有限公司 | Production equipment and production method of special fiber for CEY elastic cloth |
| CN113174644A (en) * | 2021-03-06 | 2021-07-27 | 浙江恒优化纤有限公司 | Spinning equipment and spinning process of semi-dull round-hole POY (polyester pre-oriented yarn) plied yarns |
| CN113403703A (en) * | 2021-05-12 | 2021-09-17 | 江苏嘉通能源有限公司 | Preparation method of quadrilateral high-hollowness polyester staple fiber |
| CN113969450A (en) * | 2021-10-11 | 2022-01-25 | 江苏嘉通能源有限公司 | Preparation method and equipment of antibacterial special-shaped superfine polyester POY (pre-oriented yarn) |
| CN115262009A (en) * | 2022-08-25 | 2022-11-01 | 江苏索力得新材料集团有限公司 | Preparation method of micro-dull high-strength polyester industrial yarn |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030080400A (en) * | 2002-04-08 | 2003-10-17 | 성안합섬주식회사 | producing process of full dull polyester fiber |
| CN101020743A (en) * | 2007-03-24 | 2007-08-22 | 施建强 | Prepn process of copolyester capable of being dyed deeply with cationic dye |
| CN101348946A (en) * | 2008-08-21 | 2009-01-21 | 陈建忠 | Improved method for producing colored and differential terylene fibre by melt direct spinning on-line adding technology |
| CN203320192U (en) * | 2013-03-22 | 2013-12-04 | 中国昆仑工程公司 | Melt direct-spinning on-line addition system |
| CN103603070A (en) * | 2013-10-21 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Preparation method of high-comfort triangular hollow microporous fiber |
| CN103603072A (en) * | 2013-10-21 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Preparation method of bright velvet breathable fiber |
| CN103710782A (en) * | 2013-10-30 | 2014-04-09 | 上海德福伦化纤有限公司 | High-moisture-absorption easy-dying cotton-imitating polyester short fiber and preparation method thereof |
-
2016
- 2016-11-30 CN CN201611077316.6A patent/CN106757406A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030080400A (en) * | 2002-04-08 | 2003-10-17 | 성안합섬주식회사 | producing process of full dull polyester fiber |
| CN101020743A (en) * | 2007-03-24 | 2007-08-22 | 施建强 | Prepn process of copolyester capable of being dyed deeply with cationic dye |
| CN101348946A (en) * | 2008-08-21 | 2009-01-21 | 陈建忠 | Improved method for producing colored and differential terylene fibre by melt direct spinning on-line adding technology |
| CN203320192U (en) * | 2013-03-22 | 2013-12-04 | 中国昆仑工程公司 | Melt direct-spinning on-line addition system |
| CN103603070A (en) * | 2013-10-21 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Preparation method of high-comfort triangular hollow microporous fiber |
| CN103603072A (en) * | 2013-10-21 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Preparation method of bright velvet breathable fiber |
| CN103710782A (en) * | 2013-10-30 | 2014-04-09 | 上海德福伦化纤有限公司 | High-moisture-absorption easy-dying cotton-imitating polyester short fiber and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郭秉臣主编: "《非织造材料与工程学》", 31 July 2010, 中国纺织出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254504A (en) * | 2020-02-19 | 2020-06-09 | 江苏恒科新材料有限公司 | Full-dull light-weight moisture-absorbing quick-drying polyester fiber and preparation method thereof |
| CN111254504B (en) * | 2020-02-19 | 2021-09-17 | 江苏恒科新材料有限公司 | Full-dull light-weight moisture-absorbing quick-drying polyester fiber and preparation method thereof |
| CN113151914A (en) * | 2021-03-06 | 2021-07-23 | 桐昆集团股份有限公司 | Production equipment and production method of special fiber for CEY elastic cloth |
| CN113174644A (en) * | 2021-03-06 | 2021-07-27 | 浙江恒优化纤有限公司 | Spinning equipment and spinning process of semi-dull round-hole POY (polyester pre-oriented yarn) plied yarns |
| CN113403703A (en) * | 2021-05-12 | 2021-09-17 | 江苏嘉通能源有限公司 | Preparation method of quadrilateral high-hollowness polyester staple fiber |
| CN113969450A (en) * | 2021-10-11 | 2022-01-25 | 江苏嘉通能源有限公司 | Preparation method and equipment of antibacterial special-shaped superfine polyester POY (pre-oriented yarn) |
| CN115262009A (en) * | 2022-08-25 | 2022-11-01 | 江苏索力得新材料集团有限公司 | Preparation method of micro-dull high-strength polyester industrial yarn |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106757406A (en) | A kind of production method of full-dull modified dacron | |
| CN102168320A (en) | Production technology for producing porous fine denier colored terylene pre-oriented filament by utilizing recycled polyester bottle flakes | |
| CN102677238B (en) | Production process of environment-friendly heather grey effect composite textured filament for knitting | |
| CN104328519A (en) | Production method of high-F soft plush cotton-imitated fiber | |
| CN102677239B (en) | Environment-friendly heather grey effect composite deformation filament yarn production process | |
| CN102864507B (en) | Preparation method and product of melt direct spinning superfine porous differential polyester fiber | |
| CN104060343B (en) | Fine-denier and super fine denier nylon-6 fiber and manufacture method thereof | |
| CN105155004A (en) | Production method for terylene super-soft imitated silk fiber | |
| CN102418169B (en) | Sea-island fibre and preparation method thereof | |
| CN109402776A (en) | A kind of composite fibre and preparation method thereof of core-skin type cool feeling long filament | |
| CN105442071A (en) | Imitation rabbit hair chinlon 6 fiber and production method of imitation rabbit hair chinlon 6 fiber | |
| CN105839209A (en) | Process for processing same-spinneret bi-color ultrafine composite polyester fibers | |
| CN103114344A (en) | Porous superfine denier polyester pre-oriented yarn and preparation method thereof | |
| CN102071480B (en) | Method for producing POY of tight heavy fleece | |
| CN102586905A (en) | Hot-stretched Corterra pre-oriented filament yarn spinning and winding manufacturing process | |
| CN104213228A (en) | Production process of heavy-denier lustrous high-strength nylon 6 full-drawn fiber | |
| CN105040124A (en) | Production process of fully-drawn master silk fiber of coarse denier nylon 6 | |
| CN104480555A (en) | Production process of high-elasticity-feature terylene pre-oriented fibers | |
| CN105887232A (en) | Method for preparing special black polyester short fiber for wire harness material | |
| CN103225117A (en) | Spinning method for polyester cationic composite yarns | |
| CN105220251A (en) | The production method of thin dawn hollow core staple fibers | |
| CN101831718B (en) | Method for preparing super-thick denier polyester monofilament | |
| CN103981580B (en) | A kind of polyamide 6 POY/FDY composite fibre and preparation method thereof | |
| CN104451919A (en) | Production technology for orderly dacron bamboo node yarns of identical specification | |
| CN102127821B (en) | Process for producing modified PET/PTT elastic fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |