CN103526323B - Copolyester melt direct-spinning controllable multiple differential shrinkage composite fiber and preparation method thereof - Google Patents
Copolyester melt direct-spinning controllable multiple differential shrinkage composite fiber and preparation method thereof Download PDFInfo
- Publication number
- CN103526323B CN103526323B CN201310448052.0A CN201310448052A CN103526323B CN 103526323 B CN103526323 B CN 103526323B CN 201310448052 A CN201310448052 A CN 201310448052A CN 103526323 B CN103526323 B CN 103526323B
- Authority
- CN
- China
- Prior art keywords
- spinning
- copolyesters
- composite fiber
- component
- yarn
- 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.)
- Expired - Fee Related
Links
Landscapes
- Artificial Filaments (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention relates to a copolyester melt direct-spinning controllable multiple differential shrinkage composite fiber and a preparation method thereof. Terephthalic acid and ethylene glycol serve as raw materials, a third component of polyethylene glycol, a fourth component of diethylene glycol and a fifth component of pentaerythritol are added for copolymerization, a copolyester melt is prepared, pressurized through a melt pipeline and a pressurizing pump, conveyed to a spinning box, divided into two ways through two metering pumps, sent into a spinning assembly and a spinneret plate for extrusion and cooled and solidified to form two bundles of yarn, FDY (fully drawn yarn) is obtained after oiling wheel oiling, pre-interlacing, drawing and heat setting of one of the two bundles of yarn, the other bundle of yarn is oiled through an oil spraying nozzle and then led to two yarn guiding disks to obtain POY (polyester pre-oriented yarn), the FDY and the POY are input into a yarn doubling device and a main interlacing device simultaneously for composition, and the composite fiber is obtained after ultra-high-speed winding molding. The composite fiber adopts the better fine three-dimensional multi-layer structure and is large in potential controllable hot-shrinkage rate difference, good in fluffiness, hygroscopicity, air permeability, moisture retention, chromaticity and high color rendering uniformity, multiple in product function and high in additional value.
Description
Technical field
The present invention relates to different contraction composite fiber of a kind of polyester and preparation method thereof, belong to chemical fibre technical field.
Background technology
At present, different contraction composite fiber of polyester on domestic and international market and products thereof prepares mainly through following several technological approaches, as adopted the polyester fiber of different cross section form or different performance, by carrying out along filament length direction realizing with the processing method of the repetition of air induction and continuous print combination of network or plying combination, generally adopting conventional spinning and stretching (UDY-DY), high speed spinning or FDY one step method manufacturing procedure, again pre-oriented yarn (POY) and drafted fibre (DY) or fullly drawn yarn (FDY) (FDY) being carried out combination process route.See accompanying drawing 1, it is the process flow diagram that prior art prepares FDY polyester fiber, polyester fondant is extruded from spinnerets 1 micropore, cooling obtains synnema 2 fullly drawn yarn (FDY) to be formed, oil through oil tanker 3, thread guide 4, the pre-Network device 6 of silk pressing rod 5 input carries out pre-network, then through silk pressing rod 7, sub-wire device 8 inputs the first draw roll 10 and first point of roll dies 9 device, second draw roll 11 and second point of roll dies 12 device carry out stretching and HEAT SETTING, and through master network device 13 network and coiler device 14 coiling and molding, obtain FDY polyester fiber, the dacron fabric dye-uptake be made into is poor, dye uneven, need high-temperature pressure dyeing, moisture absorption is ventilative and moisture retention is poor, easy generation electrostatic, product function is single.
Chinese invention patent CN102828262A discloses the processing method that a kind of fused mass directly spinning produces different contraction composite fiber, processing step is followed successively by and carries out esterification by raw material p-phthalic acid and ethylene glycol, prepare polyester fondant, melt Conveying, spin pre-oriented yarn and full-drawn yarn simultaneously, oil, the pre-network of full-drawn yarn, full-drawn yarn drafting forming, network combined and winding, produce different contraction composite fiber, this polyester fondant by obtaining with raw material p-phthalic acid and ethylene glycol directly spins the preparation method producing different contraction composite fiber, there is manufacturing procedure complexity, long flow path, production cost is high, efficiency is low, the deficiency of function singleness etc., the compound uniformity effects of its polyester made different contraction composite fiber product is poor and dyeing is uneven, moisture absorption is ventilative and moisture retention is poor, easy generation electrostatic, the fabric face made presents the spot that shows money or valuables one carries unintentionally, unstable product quality.
Summary of the invention
The object of the invention is the deficiency prepared different shrinkage fiber technically exist for existing polyester, provide a kind of there is good fine 3-dimensional multi-layered structure, potential controlled thermal shrinkage factor difference is large, bulkiness good, moisture absorption is breathed freely and moisture retention is good, antistatic, dye uptake and the good copolyesters fused mass directly spinning of dyeing uniformity produce and obtain controlled how different contraction composite fiber and preparation method thereof.
In order to achieve the above object, the technical solution used in the present invention is to provide the controlled how different contraction composite fiber of a kind of copolyesters fused mass directly spinning, and in mass fraction, its component comprises the terephthalic acid (TPA) of 70% and the ethylene glycol of 30%; In the total amount of terephthalic acid (TPA) and quality of glycol mark for 100%, it also comprises the polyethylene glycol of 0.1 ~ 2.0%, the diethylene glycol (DEG) of 0.005 ~ 0.010%, the pentaerythrite of 0.01 ~ 0.05%.
The controlled how different contraction composite fiber of copolyesters fused mass directly spinning of the present invention, its specification is 110dtex ~ 155dtex/108f ~ 192f; Fracture strength is 1.80cN/dtex ~ 2.70cN/dtex, and elongation at break is 20% ~ 35%, and internet pricing is 20/meter ~ 30/meter, and boiling water shrinkage is 60% ~ 70%.
Prepare the method for the controlled how different contraction composite fiber of copolyesters fused mass directly spinning of the present invention, concrete steps and process conditions as follows:
1, with mass fraction be 70% terephthalic acid (TPA) and mass fraction be that the ethylene glycol of 30% is for raw material, add again the 3rd component polyethylene glycol of terephthalic acid (TPA) and ethylene glycol gross mass mark 0.1 ~ 2.0%, the 4th component diethylene glycol (DEG) of 0.005 ~ 0.010% and 0.01 ~ 0.05% the 5th component pentaerythrite carry out combined polymerization, obtained five component monomer copolyesters melts;
2, by five component monomer copolyesters melts through melt pipe and booster pump pressure-increasing unit to spinning manifold, spinning temperature is 290 ± 2 DEG C;
3, by two measuring pumps, melt is divided into two-way, respectively after filament spinning component and spinnerets are extruded as melt stream, cooling curing forms two synnemas; Adopt lateral blowing cooling curing technique, the process conditions of lateral blowing are: wind speed 0.30 m/s ~ 0.50m/s, wind-warm syndrome 22 ± 2 DEG C, humidity 75 ± 5%;
4, a synnema is wherein oiled through oil tanker, pre-network, the first draw roll that temperature is 100 DEG C ~ 110 DEG C, speed is 1100m/min ~ 1300m/min carry out stretching and temperature be 90 DEG C ~ 100 DEG C, speed is, after second draw roll of 3130m/min ~ 3650m/min carries out HEAT SETTING, obtain FDY silk; Another synnema is oiled by atomizer, after being drawn to two draw-off godets, obtains POY silk;
5, the FDY silk obtained and POY silk are inputted fiber stranding device and master network device carries out compound simultaneously, carry out coiling and molding with 3100m/min ~ 3600m/min speed, prepare the controlled how different contraction composite fiber of copolyesters fused mass directly spinning.
Five component monomer copolyesters melts of the present invention, its inherent viscosity is 0.620dl/g ~ 0.660dl/g, and fusing point is 254 DEG C ~ 258 DEG C, and content of carboxyl end group is 27mol/t ~ 33mol/t; Preparation method is: with mass fraction be 70% terephthalic acid (TPA) and mass fraction be that the ethylene glycol of 30% is for raw material, add catalyst glycol antimony, additive trimethyl phosphate, cobalt acetate, sodium acetate, after the first esterifying kettle, second esterification kettle esterification, the reaction of precondensation still is entered after being uniformly mixed, after the filter of 15 μm, enter final minification again gather still and carry out polycondensation reaction, obtain copolyesters melt; The esterification reaction tech condition of the first described esterifying kettle is: temperature 190 ~ 200 DEG C, pressure 60000 ~ 80000Pa, reaction time 90 ~ 120min; In described second esterification kettle esterification, by mass fraction, relative to the total amount of terephthalic acid (TPA) and ethylene glycol, add the polyethylene glycol of 0.1 ~ 2.0% respectively, the diethylene glycol (DEG) of 0.005 ~ 0.010%, the pentaerythrite of 0.01 ~ 0.05% and the titanium dioxide of 0.3%, the process conditions of esterification are: temperature 200 ~ 210 DEG C, pressure 35000 ~ 55000Pa, reaction time 60 ~ 90min; The process conditions of described precondensation still reaction are: temperature 230 ~ 240 DEG C, pressure 3000 ~ 5000Pa, reaction time 50 ~ 70min; The polycondensation reaction process conditions of whole polycondensation vessel are: temperature 230 ~ 240 DEG C, reaction pressure 80 ~ 120Pa, reaction time 120 ~ 150min.
The present invention adopts with terephthalic acid (TPA) (PTA), ethylene glycol (EG) is raw material, be polymerized by adding the 3rd component polyethylene glycol and the 4th component diethylene glycol (DEG) and the 5th component pentaerythrite, prepare copolyesters melt, then by adopting the composite spinning equipment after improving to carry out fused mass directly spinning, stretch, compound one-step technology technology path, obtain adjustable and control how different contraction composite fiber, its principle is: in composite fibre main chain, add pentaerythrite branching agent to stop macromolecular chain entangled, make the boiling water shrinkage of the how different contraction composite fiber of copolyesters prepared by POY and FDY higher, larger difference in shrinkage can be produced under the action of heat, produce different filament length differences, obtain the characteristics such as potential controlled different filament length difference shrinkage and effect, form the fine 3-dimensional multi-layered structure with specialty fibers group, moisture absorption is breathed freely, good dyeability and high colour developing uniformity, the excellent specific properties such as low cost high effect, thus make up the defect of conventional polyester different shrinkage fiber, exploitation has fluffy, plentiful, the Novel imitation natural fibre product of soft comfortable characteristic.
Compared with prior art, the invention has the beneficial effects as follows:
1, the technology of preparing of the controlled how different contraction composite fiber of copolyesters fused mass directly spinning of the present invention's employing, compared with current existing domestic and international technology of preparing, have that production process is simple, flow process is short, production cost is low, effect is high, product function is many, quality is good, added value is high and the feature such as superiority of effectiveness is obvious.
2, the present invention adopts five component monomer combined polymerizations to prepare copolyesters melt, because five component comonomers have added at polymerization stage, does not have waste material to discharge, reaches the object of cleaner production, energy-saving and emission-reduction.
3, the present invention obtains, and the controlled how different contraction composite fiber of copolyesters fused mass directly spinning has good fine 3-dimensional multi-layered structure, potential controlled thermal shrinkage factor difference is large, bulkiness good, moisture absorption is ventilative and moisture retention is good, antistatic, dye uptake and the excellent properties such as dyeing uniformity is good.
Accompanying drawing explanation
Fig. 1 is the process flow diagram that prior art prepares FDY polyester fiber;
Fig. 2 is the process flow diagram preparing the controlled how different contraction composite fiber of copolyesters that the embodiment of the present invention provides;
In figure, 1, spinnerets; 2, fullly drawn yarn (FDY) to be formed; 3, oil oil tanker; 4, thread guide; 5, silk pressing rod; 6, pre-network; 7, silk pressing rod; 8, sub-wire device; 9, first point of roll dies; 10, the first draw roll; 11, the second draw roll; 12, second point of roll dies; 13, master network device; 14, coiler device; 15, pre-oriented yarn to be formed; 16, atomizer; 17, upper draw-off godet (second spinning reel); 18, lower draw-off godet (the first draw-off godet); 19, fiber stranding device.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical solution of the present invention will be further described.
Embodiment 1
The present embodiment provides a kind of 155dtex/192f(wherein: fullly drawn yarn (FDY) specification is 108dtex/144f, pre-oriented yarn specification is 47dtex/48f) copolyesters fused mass directly spinning prepares the method for controlled how different contraction composite fiber.Its manufacturing condition is as follows:
To be 70% terephthalic acid (TPA) (PTA) and mass fraction by mass fraction be, and 30% ethylene glycol (EG) mix injects slurry kettle, add catalyst glycol antimony 0.04% and additive trimethyl phosphate 0.01%, cobalt acetate 0.011%, sodium acetate 0.005%, mix and blend, throw the first esterifying kettle into by slurry curved bar pump and carry out esterification, then automatically second esterification kettle is flowed into by liquid level difference, and ethylene glycol (EG) solution of to add mass fraction be 1.0% 3rd component polyethylene glycol and mass fraction to be simultaneously 0.007% 4th component diethylene glycol (DEG) and mass fraction be 0.01% 5th component pentaerythrite, mass fraction is 0.3% titanium dioxide (TiO
2), carry out esterification, carry out entering precondensation still after esterification through first and second esterifying kettle, after the filter of 15 μm, enter final minification again gather still and carry out polycondensation reaction, melt characteristic viscosity after whole polycondensation reaction completes reaches 0.631dl/g, fusing point 255 DEG C, content of carboxyl end group 29mol/t.
See accompanying drawing 2, it is the process flow diagram preparing the controlled how different contraction composite fiber of copolyesters that the present embodiment provides; The polyester fondant reaching spinning technique requirement is entered 15 μm of ends by discharging pump and gathers metre filter impurity, be delivered to booster pump and carry out supercharging and static mixer fully mixes, then input spinning manifold, extrude through two measuring pumps, filament spinning component and two blocks of spinneretss; Copolyesters melt is extruded from spinnerets 1 micropore, cooling curing forms two synnemas, wherein a synnema 2 fullly drawn yarn (FDY) to be formed oil through oil tanker 3, thread guide 4, silk pressing rod 5 input pre-Network device 6 carry out pre-network, then through silk pressing rod 7, sub-wire device 8 inputs the first draw roll 10 and first point of roll dies 9 device, the second draw roll 11 and second point of roll dies 12 device carry out stretching and HEAT SETTING, obtains FDY silk; And another synnema 15 pre-oriented yarn to be formed oils through atomizer 16, the synnema of thread guide 4, silk pressing rod 5, silk pressing rod 7, sub-wire device 8 is drawn to lower draw-off godet (the first draw-off godet), upper draw-off godet (second spinning reel), obtain POY silk, FDY and POY is inputted simultaneously fiber stranding device 19 and master network device 13 carries out compound, and through coiler device 14 coiling and molding, prepare the controlled how different contraction composite fiber of copolyesters fused mass directly spinning.
Comparison diagram 1 and Fig. 2, compared with existing FDY production technology, the present embodiment is transformed existing FDY production equipment, reequip the first draw roll group device, make first point of roll dies 9 diameter identical with the first draw roll 10 diameter, and install about one group draw-off godet and fiber stranding device device additional, to realize the production technology of the present embodiment.
The synthesis technologic parameter of the five component copolyesters that the present embodiment provides is see table 1; Prepare the technological parameter of the controlled how different contraction composite fiber of copolyesters fused mass directly spinning see table 2; The performance of the controlled how different contraction composite fiber of the copolyesters fused mass directly spinning obtained is see table 3.
The synthesis technique of table 1 copolyesters
The controlled how different contraction composite fiber technological parameter of table 2 copolyesters fused mass directly spinning
Table 3: the controlled how different contraction composite fiber performance of copolyesters fused mass directly spinning
The copolyesters controlled how different contraction composite fiber obtained by the present embodiment technical scheme has good fine 3-dimensional multi-layered structure, larger filament length difference can be produced under the action of heat, obtain the characteristics such as potential controlled thermal shrinkage factor difference is large, bulkiness good, moisture absorption is ventilative, dyeing uniformity is good; Its fabric made possesses the premium properties such as good moisture absorption, moisturizing be ventilative, antistatic.
Embodiment 2
The present embodiment provides a kind of 138dtex/108f(wherein: fullly drawn yarn (FDY) specification 55dtex/36f, pre-oriented yarn specification 83dtex/72f) copolyesters fused mass directly spinning prepares the method for controlled how different contraction composite fiber.By the technology of embodiment 1, production technology and the condition of the present embodiment are as follows: to be 70% terephthalic acid (TPA) (PTA) and mass fraction by mass fraction be, and 30% ethylene glycol (EG) mix injects slurry kettle, add catalyst glycol antimony 0.04% and additive trimethyl phosphate 0.01%, cobalt acetate 0.011%, sodium acetate 0.005%, mix and blend, throw the first esterifying kettle into by slurry curved bar pump and carry out esterification, then automatically second esterification kettle is flowed into by liquid level difference, and ethylene glycol (EG) solution of to add mass fraction be 1.0% 3rd component polyethylene glycol and mass fraction to be simultaneously 0.007% 4th component diethylene glycol (DEG) and mass fraction be 0.01% 5th component pentaerythrite, mass fraction is 0.3% titanium dioxide (TiO
2), carry out esterification, through first, class still enters precondensation still after carrying out esterification, whole polycondensation vessel carries out polycondensation reaction, melt characteristic viscosity after whole polycondensation reaction completes reaches 0.631dl/g, fusing point 255 DEG C, content of carboxyl end group 29mol/t, the polyester fondant reaching spinning technique requirement is entered 15 μm of ends by discharging pump and gathers metre filter impurity, be delivered to booster pump and carry out supercharging and static mixer fully mixes, then spinning manifold is inputted, through two measuring pumps, filament spinning component and two blocks of spinneretss are extruded, cooling curing forms two synnemas, wherein a synnema oils through oil tanker, pre-network, stretch and obtain FDY silk after HEAT SETTING, another synnema is drawn to two draw-off godets after atomizer oils, obtain POY silk, they are inputted fiber stranding device simultaneously and master network device carries out compound, and through coiler device coiling and molding, prepare the controlled how different contraction composite fiber of copolyesters fused mass directly spinning.About the synthesis technologic parameter of copolyesters is see table 1; The how different contraction composite fiber technological parameter of 138dtex/108f copolyesters fused mass directly spinning is see table 4; The performance of the 138dtex/108f fiber obtained is see table 5.
The controlled how different contraction composite fiber technological parameter of table 4 138dtex/108f copolyesters fused mass directly spinning
The controlled how different contraction composite fiber performance of table 5 138dtex/108f copolyesters
Claims (2)
1. a preparation method for the controlled how different contraction composite fiber of copolyesters fused mass directly spinning, it is characterized in that concrete steps and process conditions as follows:
(1) with mass fraction be 70% terephthalic acid (TPA) and mass fraction be that the ethylene glycol of 30% is for raw material, add again the 3rd component polyethylene glycol of terephthalic acid (TPA) and ethylene glycol gross mass mark 0.1 ~ 2.0%, the 4th component diethylene glycol (DEG) of 0.005 ~ 0.010% and 0.01 ~ 0.05% the 5th component pentaerythrite carry out combined polymerization, obtained five component monomer copolyesters melts;
(2) by five component monomer copolyesters melts through melt pipe and booster pump pressure-increasing unit to spinning manifold, spinning temperature is 290 ± 2 DEG C;
(3) by two measuring pumps, melt is divided into two-way, respectively after filament spinning component and spinnerets are extruded as melt stream, cooling curing forms two synnemas; Adopt lateral blowing cooling curing technique, the process conditions of lateral blowing are: wind speed 0.30 m/s ~ 0.50m/s, wind-warm syndrome 22 ± 2 DEG C, humidity 75 ± 5%;
(4) synnema is wherein oiled through oil tanker, pre-network, the first draw roll that temperature is 100 DEG C ~ 110 DEG C, speed is 1100m/min ~ 1300m/min carry out stretching and temperature be 90 DEG C ~ 100 DEG C, speed is, after second draw roll of 3130m/min ~ 3650m/min carries out HEAT SETTING, obtain FDY silk; Another synnema is oiled by atomizer, after being drawn to two draw-off godets, obtains POY silk;
(5) the FDY silk obtained and POY silk are inputted fiber stranding device and master network device carries out compound simultaneously, carry out coiling and molding with 3100m/min ~ 3600m/min speed, prepare the controlled how different contraction composite fiber of copolyesters fused mass directly spinning;
Wherein, the inherent viscosity of five described component monomer copolyesters melts is 0.620dl/g ~ 0.660dl/g, and fusing point is 254 DEG C ~ 258 DEG C, and content of carboxyl end group is 27mol/t ~ 33mol/t.
2. the preparation method of the controlled how different contraction composite fiber of a kind of copolyesters fused mass directly spinning according to claim 1, it is characterized in that the preparation method of five described component monomer copolyesters melts comprises: with mass fraction be 70% terephthalic acid (TPA) and mass fraction be that the ethylene glycol of 30% is for raw material, add catalyst glycol antimony, additive trimethyl phosphate, cobalt acetate, sodium acetate, through the first esterifying kettle after being uniformly mixed, the reaction of precondensation still is entered after second esterification kettle esterification, after the filter of 15 μm, enter final minification again gather still and carry out polycondensation reaction, obtain copolyesters melt, the esterification reaction tech condition of the first described esterifying kettle is: temperature 190 ~ 200 DEG C, pressure 60000 ~ 80000Pa, reaction time 90 ~ 120min, in described second esterification kettle esterification, by mass fraction, relative to the total amount of terephthalic acid (TPA) and ethylene glycol, add the polyethylene glycol of 0.1 ~ 2.0% respectively, the diethylene glycol (DEG) of 0.005 ~ 0.010%, the pentaerythrite of 0.01 ~ 0.05% and the titanium dioxide of 0.3%, the process conditions of esterification are: temperature 200 ~ 210 DEG C, pressure 35000 ~ 55000Pa, reaction time 60 ~ 90min, the process conditions of described precondensation still reaction are: temperature 230 ~ 240 DEG C, pressure 3000 ~ 5000Pa, reaction time 50 ~ 70min, the polycondensation reaction process conditions of whole polycondensation vessel are: temperature 230 ~ 240 DEG C, reaction pressure 80 ~ 120Pa, reaction time 120 ~ 150min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448052.0A CN103526323B (en) | 2013-09-27 | 2013-09-27 | Copolyester melt direct-spinning controllable multiple differential shrinkage composite fiber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448052.0A CN103526323B (en) | 2013-09-27 | 2013-09-27 | Copolyester melt direct-spinning controllable multiple differential shrinkage composite fiber and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103526323A CN103526323A (en) | 2014-01-22 |
| CN103526323B true CN103526323B (en) | 2015-04-22 |
Family
ID=49928652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310448052.0A Expired - Fee Related CN103526323B (en) | 2013-09-27 | 2013-09-27 | Copolyester melt direct-spinning controllable multiple differential shrinkage composite fiber and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103526323B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294397B (en) * | 2013-07-17 | 2016-04-20 | 福建百宏聚纤科技实业有限公司 | Terylene has the manufacture craft of light abnormity half elastic force drafting |
| CN103788350B (en) * | 2014-01-26 | 2016-01-06 | 东华大学 | A kind of preparation method of poly-hydroxy flexible polyester |
| CN103804665B (en) * | 2014-01-26 | 2016-02-10 | 东华大学 | A kind of preparation method of polyol polyester |
| CN103981585A (en) * | 2014-05-23 | 2014-08-13 | 苏州大学 | Polyamide 6 POY/FDY composite fibre and preparation method adopting spinning-interlacing one-step process |
| CN104032408B (en) * | 2014-05-23 | 2016-05-18 | 苏州大学 | A kind of different shrinkage polyamide 6 POY/FDY composite fibres and preparation method thereof |
| CN103981586A (en) * | 2014-05-23 | 2014-08-13 | 苏州大学 | Ultra-low differential shrinkage polyamide 6 composite fibers and preparation method thereof |
| CN103981587A (en) * | 2014-05-23 | 2014-08-13 | 苏州大学 | Polyamide 6 POY/FDY interlaced yarn and preparation method adopting one-step process |
| CN103981580B (en) * | 2014-05-23 | 2016-06-29 | 苏州大学 | A kind of polyamide 6 POY/FDY composite fibre and preparation method thereof |
| CN104073893A (en) * | 2014-06-30 | 2014-10-01 | 苏州大学 | Spinning equipment for preparing polyamide 6POY (Polyester Pre-Oriented Yarn)/FDY (Fully Drawn Yarn) composite fibers by using ultrahigh one-step method |
| CN104032397A (en) * | 2014-06-30 | 2014-09-10 | 苏州大学 | Device for producing polyamide 6POY/FDY composite fiber according to high-speed spinning and confounding one-step method |
| CN104878487B (en) * | 2014-12-31 | 2017-04-12 | 江苏恒力化纤股份有限公司 | Composite differential shrinkage yarn and preparation method thereof |
| JP6671110B2 (en) * | 2015-05-19 | 2020-03-25 | Ｔｍｔマシナリー株式会社 | Mixed fiber production equipment |
| CN105506774B (en) * | 2015-12-29 | 2017-12-12 | 江苏恒力化纤股份有限公司 | A kind of low aberration polyester abnormal contraction composite filament and preparation method thereof |
| CN111118623B (en) * | 2019-12-29 | 2021-05-14 | 江苏恒力化纤股份有限公司 | Cotton-like polyester fiber and preparation method thereof |
| CN112795997B (en) * | 2020-12-29 | 2022-07-08 | 浙江恒逸石化有限公司 | Preparation method of micro-branched titanium polyester melt direct-spun POY (polyester pre-oriented yarn) filament |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1810849A (en) * | 2005-01-24 | 2006-08-02 | 段吉文 | Modified monomer solution for polyester |
| CN102443909A (en) * | 2011-10-31 | 2012-05-09 | 苏州巨源纤维科技有限公司 | Preparation method for porous micro-fine denier polyester POY (polyester pre-oriented yarn) and FDY (fully drawn yarn) interlaced composite yarn |
| CN102747474A (en) * | 2012-07-20 | 2012-10-24 | 江苏盛虹科技股份有限公司 | Differential shrinkage composite fiber and processing method thereof |
| CN102828262A (en) * | 2012-07-20 | 2012-12-19 | 江苏盛虹科技股份有限公司 | Processing method for producing differential shrinkage composite fibers through melt direct spinning |
| CN103088500A (en) * | 2013-01-15 | 2013-05-08 | 东华大学 | One-step preparation method and device of fully drawn yarn (FDY) or FDY differential shrinkage combined filament yarn |
-
2013
- 2013-09-27 CN CN201310448052.0A patent/CN103526323B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103526323A (en) | 2014-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103526323B (en) | Copolyester melt direct-spinning controllable multiple differential shrinkage composite fiber and preparation method thereof | |
| CN103469345B (en) | Co-polyester melt direct spun differential shrinkage composite fiber and method for preparing same | |
| CN102517680B (en) | Multi-hole superfine denier polyamide 6 POY/FDY interlacing composite fiber, its preparation method and its device | |
| CN103290507B (en) | A kind of preparation method being polymerized micro-modification lustrous polyester fiber | |
| CN101348947B (en) | Preparation of ultra-coarse denier lustrous terylene drawn yarn | |
| CN102031575A (en) | Method for preparing superfine denier flat terylene drawn yarn | |
| CN102839432B (en) | Preparation method of ultra-high-speed spinning polyester pre-oriented yarn | |
| CN103484967B (en) | A kind of copolyesters melt ultrahigh speed directly spins controlled how different contraction composite fiber and preparation method thereof | |
| CN103484968B (en) | A kind of copolyesters fused mass directly spinning pre-oriented yarn and preparation method thereof | |
| CN105908283A (en) | Semidull POY polyester fiber and processing method thereof | |
| CN109056089A (en) | Super soft frivolous fiber type of one kind and preparation method thereof | |
| CN103603071A (en) | Fine-denier flat yarn and manufacturing method thereof | |
| CN104963009A (en) | Production method for colored PET industrial filaments | |
| CN102418169B (en) | Sea-island fibre and preparation method thereof | |
| CN109594137A (en) | A kind of production method of high ventilative drafted polyester slub yarn | |
| CN103215670A (en) | One-step-method spinning method of dacron combined filament yarn | |
| CN107964690A (en) | A kind of production technology of PBT/PET two ingredient elastics composite fibre | |
| CN104988588A (en) | Production method of modified high strength polyester industrial filament | |
| CN102787383A (en) | 1,2-propylene glycol modified terylene fully drawn yarn | |
| CN103590140A (en) | Linen-imitative multiple and multi-differential composite short fiber and manufacturing method thereof | |
| CN104562250B (en) | Porous micro-fine denier nylon 6 triisofiber and preparation method and application thereof | |
| CN102330184A (en) | Modified terylene fully drawn yarn (FDY) with good abrasion resistance performance | |
| CN102877155A (en) | High-simulated-cotton porous superfine-denier polyester fiber and preparation method thereof and preparation equipment | |
| CN102330174A (en) | Isophthalic acid modified polyester fully drawn yarn | |
| CN105908275A (en) | Method for producing fine-denier and low-shrinkage polyester industrial fiber by using fine-denier and high-strength spinning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guan Xinhai Inventor after: Wang Yaorong Inventor after: Zhao Guangbing Inventor after: Yuan Li Inventor after: Niu Zhenrong Inventor before: Wang Yaorong Inventor before: Zhao Guangbing Inventor before: Yuan Li Inventor before: Niu Zhenrong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG YAORONG ZHAO GUANGBING YUAN LI NIU ZHENRONG TO: GUAN XINHAI WANG YAORONG ZHAO GUANGBING YUAN LI NIU ZHENRONG |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20200927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |