CN105908282A - Preparation method of 33 dtex/144f fine denier polyester fiber - Google Patents
Preparation method of 33 dtex/144f fine denier polyester fiber Download PDFInfo
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- CN105908282A CN105908282A CN201610408249.5A CN201610408249A CN105908282A CN 105908282 A CN105908282 A CN 105908282A CN 201610408249 A CN201610408249 A CN 201610408249A CN 105908282 A CN105908282 A CN 105908282A
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- 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
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
-
- 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
- D01D5/12—Stretch-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
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to a preparation method of 33 dtex/144f fine denier polyester fiber. Conventional polyester melt serves as main melt, hydrophilic polyester melt and the main melt are mixed through a front-of-pump injecting system and then subjected to before-spinning filtering, enter a spinning assembly to be subjected to melting and spinning, and are subjected to annular air blowing cooling, oiling, stretching and rolling to obtain superfine denier POY fiber; superfine denier POY fiber serves as the raw material, the superfine denier POY fiber on a DTY elasticizer passes through a pretangle jet, a first roller, a deformation hot box, a cooling plate, a false twister, a second roller, a main network nozzle, an auxiliary second roller, a sizing hot box, a third roller and an oiling wheel to be subjected to rolling and forming to prepare fine denier polyester filaments. Due to the excellent filament number, the small fiber diameter and the large surface specific area of the fine denier polyester filament, the fiber has the advantages that the fiber has excellent softness and hand feeling of natural fiber and overcomes the defect that natural fiber is poor in mechanical performance and poor in wear resistance, and the additional value and competitiveness of a product are improved.
Description
Technical field
The present invention relates to technical field of textile production, specifically, be the terylene of a kind of 33dtex/144f
The preparation method of fine denier filament.
Background technology
Polyster fibre is that current production rate is maximum, and be most widely used takes fiber, and its yield accounts for whole world synthesis
More than the 80% of fiber production.And as the polyster fibre of maximum production, due to its strength, wear-resisting and hydrophobic
Etc. performance so that it is application is increasingly wider, but the hydrophobic property of polyster fibre itself and in hygroscopicity or water absorption
Require higher field is applied to be restricted so that polyster fibre is in the aspect such as comfort level, feel and sky
So there is a certain distance in fiber, make people begin through constantly the adjusting of production technology, change, perfect,
Make polyster fibre progressively imitate the characteristic of natural fiber, promote the comfort level of dacron, feel, thus
Promote the class of fabric.
Fine-denier, ultra-fine denier polyester filament yarn are due to the filament number of its excellence, and fibre diameter is little, specific surface area
Greatly, therefore there is the excellent flexibility of natural fiber and feel, the natural fiber mechanical performance of customer service simultaneously
Difference, the shortcoming worn no resistance, added value and the competitiveness of improving product have significant advantage.Surpass simultaneously
Fine count fiber line density is little, and specific surface area is very big, so that its goods have many thundering characteristics.
Its fabric is frivolous, soft, bulk, smooth, high resilience, therefore by numerous applications.But
Owing to its line density is little, there is the situation that lousiness is many, end breakage rate is high in the course of processing, production difficulty is relatively
Height, simultaneously after the hydrophobic property of fine count fiber itself, if do not carried out hydrophilic modifying, the intrinsic of superfine Denier fibre
Characteristic is also difficult to embody, and therefore exploitation has hydrophilic superfine denier polyester fiber, for improving product quality,
The differentiation rate improving domestic fiber has important function.
Chinese Patent Application No. 201510206943.4 relates to a kind of fine denier lustrous goth black polyester FDY long filament
Production method, it comprises the following steps: (a) weigh 92～94% the light PET that has cut into slices；Weigh 6%～
8% black agglomerate is dried；B () has light PET to cut into slices and after the mixing of dried black agglomerate by dried
Through screw extruder make PET melt (c) by PET melt filter-press after be assigned to each through dosing pump
Spinning pack produces as-spun fibre；D described as-spun fibre is oiled through cross air blasting cooling, oil nozzle, draws by ()
Stretch setting, add coiling and molding after grid；First hot-rolling speed of described set-stretching be 1500～
2000m/min, temperature is 80～90 DEG C；Second hot-rolling speed is 4000～4500m/min, temperature be 120～
130℃；Winding speed is 4000～4500m/min, and Winding Tension Controlling is 10～15 inner cattle.On the one hand
Light PET section and black agglomerate will be had to make PET melt after mixing, enabling have light special for preparation
Black polyester FDY long filament；On the other hand the first hot-rolling and the speed of the second hot-rolling, winding speed are adjusted
It is fine denier filament that joint makes the long filament prepared.
Chinese Patent Application No. 201210550104.0 relates to the preparation method technical field of polyester filament, tool
Body relates to the preparation method of ultra-fine denier polyester filament yarn, has light PET polyester slice as raw material including with super, warp
Pre-crystallized, be dried, extrude, filter, spinning manifold distribution, dosing pump sub-wire, spray webbing, cross air blasting,
Winding, finished product packing process produce；Use above-mentioned preparation method so that final finished fiber tool
Having the performances such as high intensity, low elongation and low thermal shrinkage, its fracture strength is more than 7.0cN/dtex, fracture
Percentage elongation is less than 14%, and boiling water shrinkage is less than 1.8%, and dry shrinkage is less than 4.5%.Meanwhile, this
Bright also have that production procedure is short, to spin speed high, lousiness is few, little breakage, and production procedure is short, produce into
The features such as this is low, are applied not only to high-grade sewing thread, floss silk, fishing net, the most also widely apply various
Safe automobile air bag, military tent cloth and various need high-intensity fiber as adjuvant or the industry of reinforcing material.
Chinese Patent Application No. 201410286831.X relates to a kind of abnormity the low elastic fibre of light fine denier polyester
Preparation method, it concretely comprises the following steps, and bright PET chips master batch is carried out melt spinning, wherein spinneret
For profile spinneret；Obtain abnormity and have the low elastic fibre of light fine denier polyester, and the denier of fiber is 0.5～2 denier；
The raw materials quality percentage ratio of bright PET chips master batch is: modified PBT section is 1～2%, recycled polyester
Section is 5～10%, and bright PET chips is surplus.Abnormity of the present invention had both had the low elastic fibre of light fine denier polyester
Meet current trend, clothing can be applied widely again, weaving, home textile, toy textile material
In field.
Chinese Patent Application No. 201110452117.X relates to the producer of a kind of superfine denier polyester preoriented yarn
Method, comprises the following steps: with PET section as raw material, sequentially passes through pre-crystallizer, drying tower, screw rod
Extruder, filter, spinning manifold, dosing pump, filament spinning component, cross air blasting, oil and wind, institute
The baking temperature said is 160～170 degrees Celsius；Described component pressure is 12～18MPa；Described spins
Silk temperature is 299 degrees Celsius；Described cross air blasting temperature is 20～24 degrees Celsius, and humidity is 75%, wind
Speed is 0.3～0.5m/s；Described oil applying rate is 0.4～0.6%；Described spinning speed be 2800～
3300m/min.The production method of the superfine denier polyester preoriented yarn of the present invention, has the following technical effect that
The superfine denier polyester preoriented yarn produced is functional, steady quality, and line density is 166dtex, fracture
Intensity is 2.45cN/dtex, and elongation at break is 107%.
Chinese Patent Application No. 200710026149.7 relates to the preparation method of a kind of ultra-fine denier polyester filament yarn,
The process employs side-blown air-cooling process, by adjusting the height of zone of silence, increasing and delay during spinning
Cooler and improve the arrangement mode of spinneret hole and oiling method, can be successfully fabricated out a kind of monofilament fine
Degree is the ultra-fine denier polyester filament yarn of 0.2～0.5D.P.F.Gained polyester filament have excellent spinnability and
Excellent physical characteristic and processing characteristics.
Chinese Patent Application No. 200910027027.9 relate to a kind of melt direct spinning superfine denier terylene FDY filament and
Its preparation technology, this superfine denier terylene FDY filament, according to fused mass directly spinning One-step production route, uses pore
A diameter of 0.15～0.2MM, L/D=2.6～3.6, plate surface diameter is the spinneret of 70～90MM, and fiber cools down
District installs trousers and uses twice oil feeding system to be directly produced ultra-fine FDY silk, and gained filament number DPF is
0.3～0.6, a synnema hole count is 144F～192F.The process route used is in the inherent quality of improving product
While make processing cost be greatly lowered, have replace import like product ability.
Chinese Patent Application No. 201510685136.5 relate to a kind of colored profiled superfine denier polyester monofilament and
Production method, raw materials quality percentage ratio is: aging resistance capsule is 1～5%, and pigment is 5～10%, PEN
Section is 5～10%, and dispersant is 1～3%, and terylene chips is surplus；Being cut into slices by PEN, terylene is cut
Sheet, aging resistance capsule, pigment, dispersant, melted after screw machine extruding is blended, make melt, warp
Profile spinneret carries out melt spinning, obtains colored profiled superfine denier polyester monofilament.The addition of PEN, improves
The thermostability of fiber so that occur without roll banding phenomenon when heat setting temperature is more than 245 DEG C；The highest
Heat setting temperature make the orientation texture disorientation of amorphous region accelerate, the internal stress of fiber is relaxed,
And then improve the dimensional stability of fiber；The increase of setting temperature, the macromolecular chain in fibre structure is lived
Kinetic force strengthens, and degree of crystallinity increases, and amorphous area content declines, and boiling water shrinkage reduces.
Chinese Patent Application No. 200810024796.9 relates to a kind of superfine denier polyester wool top, fiber number be
The polyster fibre combing of 0.5～1.0D obtains, and described polyster fibre cross section is preferably circular；It is also disclosed one
Planting superfine denier polyester fiber, fiber number is 0.5-1.0D；Superfine denier polyester wool top, its fabric have light, soft,
Refreshing, sliding effect, the effects such as soft, light weight, drapability are good, are the Developing Tendencies of grade textiles
Gesture, promotes the upgrading of wool industry product.
Chinese Patent Application No. 201120302624.0 relates to the manufacture method of a kind of fine denier polyester industrial yarn,
Including slices synthesis method, pre-crystallized, dry, screw extruding, measure, filter, spinning, boundling oil,
Drawing-off, winding, outer inspection, dyeing, pack, its special type is to use 2 grades of stretchings, simplifies production industry
4 grades of stretching links of silk, and utilize existing FDY to produce equipment, equipment is increased input not quite, by properly
The same production high-performance sewing thread of process conditions, product has the highest added value, and equipment investment is few,
Technical maturity, production management's difficulty is little, and production stability is strong, and product profit is considerable.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the terylene of a kind of 33dtex/144f
The preparation method of fine denier filament.
It is an object of the invention to be achieved through the following technical solutions:
A kind of preparation method of the Manufacturing Pet Fine Filaments of 33dtex/144f, it concretely comprises the following steps:
One, the preparation of hydrophilic polyesters section
(1) preparation of hydrophilic modifying agent:
With nano silica powder as raw material, under normal temperature condition, molten at N, N-dimethyl pyrrolidone
Carrying out high-speed stirred ultrasonic disperse in liquid, jitter time is 6～12h, high-speed stirred speed be 3000～
4000 revs/min, then in nitrogen atmosphere, add toluene di-isocyanate(TDI), 135～155 DEG C of reaction temperature
Under degree, react 45～60min, after reaction terminates, the most again under the conditions of 180 DEG C, decompression distillation 45min,
Then under the conditions of 120 DEG C, it is dried 48h with decompression product of distillation again, prepares hydrophilic modifying agent；
Wherein the mean diameter of nano silica powder is 50～65 nanometers；
Nano silicon is 25～40g/L in the mass concentration of N, N-dimethyl pyrrolidone；
Toluene diisocynate toluene ester is 1:5～1:10 with the mol ratio of nano silicon；
Silica surface has the hydroxyl structure of excellence, it is possible to the isocyanate group of active group
React, thus give inert silicon dioxde reaction activity, the beneficially polymeric modification in later stage；And it is different
After the hydroxyl reaction of cyanic acid group and silica surface, generating isocyanate groups, it has excellence
Hydrophilicity, it is possible to hydrone is adsorbed and conducts, simultaneously after isocyanate group and pet reaction,
Make isocyanate groups introduce in molecule segment, improve polyester hydrophilic, the most lasting hydrophilic；
The silicon dioxide with loose structure is introduced in polyester segment simultaneously, due to the loose structure that it is special,
Steam is had the effect of moisturizing and moisture absorption, is beneficial to as steam moisturizing and the storage vault of moisture absorption, and improves
The hydrophilicity of polyester material, and introduce the silicon dioxide on polyester molecule chain and isocyanate structural
Break the molecular structure regularity of polyester so that it is crystal property reduces and improves the amorphous region of polyester fiber,
Thus promote hydrophilicity；
(2) preparation of dispersed hydrophilic modifying agent:
Using wet ball grinding technique, the hydrophilic modifying agent prepared with step (1) and polyethylene glycol-800 are former
Material, joins hydrophilic modifying agent under the conditions of 120 DEG C and is stirred dispersion in polyethylene glycol-800 solution
30 minutes, it is then cooled to room temperature and prepares ground slurry, then ground slurry is joined ball mill
In carry out ball milling, grind and prepare dispersed hydrophilic modifying agent after terminating；
Wherein ball-milling technology be rotating speed be 1500～2000 revs/min, loading is 60～75%, zirconium strain put down
All particle diameters are 3～5 millimeters, and Ball-milling Time is 6～8 hours；
It is 35～45% that hydrophilic modifying agent accounts for the mass fraction of ground slurry；
Polyethylene glycol-800 is creamy material, minute containing hydroxyl structure, it is possible at a certain temperature with different
Cyanic acid radical reaction, and in process of lapping, utilize the preheating ground to make PEG800 melted and and isocyanide
Acid groups reacts, and is possible not only to realize high-efficient grinding, improves dispersive property, can also allow poly-second two simultaneously
Alcohol 800 and isocyanate reaction, be more beneficial for isocyanates and be incorporated in polyester segment；PEG800 simultaneously
Molecular structure is polyether structure, has the hydrophilicity of excellence, in the ester exchange reaction with PET final polycondensation
During, the polyethers of long-chain is incorporated on polyester molecule segment, promotes the hydrophilicity of polyester；
(3) esterification:
With p-phthalic acid, ethylene glycol is raw material, carries out esterification and obtains carboxylate；
Particularly as follows:
With p-phthalic acid, ethylene glycol is raw material, first by p-phthalic acid, and ethylene glycol, sodium acetate, second
Glycol antimony and triphenyl phosphate join in making beating still, carry out pulling an oar 45～60min under the conditions of 25～80 DEG C
Obtain esterification making beating liquid；Pulled an oar by esterification, make p-phthalic acid disperse with ethylene glycol, the most again
Esterification making beating liquid is being imported in esterifying kettle by polymerization pipeline, in nitrogen atmosphere, esterification temperature
Degree is 235～245 DEG C, and esterification reaction pressure is 0.15～0.25MPa, and reaction time of esterification is 1.5～2.5h,
When scheduling theory water yield reaches 95%, reaction obtains carboxylate after terminating；
P-phthalic acid is 1:1.25～1:1.45 with the mol ratio of ethylene glycol；P-phthalic acid and sodium acetate
Mass values be 1:0.0005～1:0.0075；P-phthalic acid with the mass values of antimony glycol is
1:0.01%～1:0.025%；The mass values of p-phthalic acid and triphenyl phosphate be 1:0.01%～
1:0.025%；
Polyester polymerization process first carries out beating process, utilizes ethylene glycol solution p-phthalic acid and to add
Adding assistant carries out dissolving dispersion, reduces the interfacial effect of solid-liquid reaction, improves in later stage polymerization process and is esterified
Speed, it is to avoid because solid liquid interface is excessive, causes reaction experiment long, and by-product diethylene glycol increases, and leads
Cause the decline of product quality；The most conventional esterification technique uses normal pressure esterification, not only needs high-load
Ethylene glycol, causes the transition volatilization of ethylene glycol to cause being esterified water outlet and is forbidden, and esterification technique is difficult to regulate and control, with
Time transition ethylene glycol volatilization, cause substantial amounts of energy waste, simultaneously the second two of transition in esterification process
Alcohol causes diethylene glycol content to promote, and coloured product turns to be yellow, and therefore needs to add too much anti-ether agent, causes producing
Material amount reduces；And use pressurization esterification technique, improve the saturated vapour pressure of ethylene glycol, reduce ethylene glycol
Transition volatilization, on the basis of the exposure concentration improving p-phthalic acid and ethylene glycol, it is ensured that reaction is lived
Property, improve reaction rate；
(4) polycondensation reaction:
Carboxylate step (3) obtained imports in polycondensation vessel by polymerization pipeline, in atmospheric conditions,
With nitrogen as protective gas, esterification obtains polycondensation oligomer after terminating；Reaction temperature be 245～
255 DEG C, the response time is 1.5～2.0h,
(5) whole polycondensation reaction, the polycondensation oligomer (4th) step obtained is imported to by polymerization pipeline
In whole batch condensation polymerization reactor, fused mass directly spinning is then used to add the mode that the poly-pipeline of final minification adds online, step
Suddenly the dispersed hydrophilic modifying agent that (2) prepare joins in batch condensation polymerization reactor, obtains with step (4)
Polycondensation oligomer carry out whole polycondensation reaction, carry out whole polycondensation reaction by high temperature high vacuum condition, utilize
Ester exchange reaction between dispersed hydrophilic modifying agent and polyester prepares required hydrophilic polyesters section；
High temperature fine vacuum reaction temperature is 275～285 DEG C, and reaction vacuum degree control is 10～60Pa, reaction
Time is 1.5～2.5h.
Dispersed hydrophilic modifying agent is 5～15% at the mass fraction that hydrophilic polyesters is cut into slices；
Whole polycondensation reaction is the process that polyester fondant molecular weight promotes further, and the ester exchange utilizing esterification is anti-
Should, make molecular weight of polyesters promote further；The technology of distribution esterification is utilized in esterification reaction process, with
Time polycondensation reaction at end in utilize the ester exchange reaction under the conditions of rough vacuum, improve two introduced on main chain
The dispersion of silicon oxide, improves the further reaction of isocyanates and hydroxyl simultaneously；Make in system end carboxyl and
Terminal hydroxy group reacts, and removes moisture, controls polyester ester exchange reaction, improves polyester degree, meets the later stage
Melt pipe conveying and spinning；
Fused mass directly spinning is used to add the mode of final minification poly-pipeline adding technology online, it is to avoid function powder adds
Impact on esterification, the biggest industrialized production and small lot are modified, avoid gathering at final minification adding simultaneously
Present in journey, PET conglutination is too high and reduce the dispersion problem of inorganic particle；Utilize PEG800 simultaneously
With the ester exchange reaction of polyester, the isocyanate group containing hydrophilicity and have moisture-absorbing moisture-keeping function
Porous silica structure be incorporated in molecular backbone section, promote polyester hydrophilicity；
Two, fused mass directly spinning total fiber number is the preparation of Manufacturing Pet Fine Filaments of 33dtex/144f
Use fused mass directly spinning to add injected system before pump online, with step () prepare hydrophilic poly-
Ester section, for injecting raw material before pump, is main melt with normal polyester melt, makes parent by injected system before pump
Water polyester fondant mixes with main melt, then through spinning front filtration, enters into filament spinning component, melts
Spinning, through ring quenching, oils, drawing-off, and winding obtains super fine denier POY fiber；Then with ultra-fine
Denier POY fiber is raw material, on DTY elasticizer, super fine denier POY fiber through pre-network nozzle,
One roller, deformation hot box, coldplate, scroll tube, the second roller, master network nozzle, assist second sieve
Draw, shaping heat box, the 3rd roller, finish oil disc, that coiling and molding prepares required superfine denier polyester is long
Silk.
The special spinning jet hole count of described Manufacturing Pet Fine Filaments is more than 128, the spinning winding speed of Manufacturing Pet Fine Filaments
Degree is 3800～4500 ms/min, and ring blowing wind speed is 0.35～0.5 m/min, ring blowing air tube length degree
Being 120～165 centimetres, draw ratio is 1.8～2.2 times；
Injected system before online interpolation pump, the online interpolation being possible not only to play jumbo polyester changes
Property, also meet small lot, the modification of multiple batches of product, simultaneously because the function melt injected is at pipe simultaneously
In line, the time of staying is short, therefore less degradation, and the impact on main melt is relatively low, meets the changing of spinning in later stage
Property.
Compared with prior art, the positive effect of the present invention is:
Ultra-fine denier polyester filament yarn is due to the filament number of its excellence, and fibre diameter is little, and specific surface area is big, because of
This has the excellent flexibility of natural fiber and feel, the natural fiber bad mechanical property of customer service simultaneously, resistance to
The shortcoming of mill property difference, added value and the competitiveness of improving product have significant advantage.
Accompanying drawing explanation
The process chart of Fig. 1 present invention.
Detailed description of the invention
Being embodied as of the preparation method of the Manufacturing Pet Fine Filaments of a kind of 33dtex/144f of the present invention presented below
Mode.
Embodiment 1
Refer to accompanying drawing 1, for the process chart of the present invention；
A kind of preparation method of the Manufacturing Pet Fine Filaments of 33dtex/144f, it concretely comprises the following steps:
One, the preparation of hydrophilic polyesters section
(1) preparation of hydrophilic modifying agent:
With nano silica powder as raw material, under normal temperature condition, at N, N-dimethyl pyrrolidone
Carrying out high-speed stirred ultrasonic disperse in solution, jitter time is 6～12h, high-speed stirred speed be 3000～
4000 revs/min, then in nitrogen atmosphere, add toluene di-isocyanate(TDI), 135～155 DEG C of reaction temperature
Under degree, react 45～60min, after reaction terminates, the most again under the conditions of 180 DEG C, decompression distillation 45min,
Then under the conditions of 120 DEG C, it is dried 48h with decompression product of distillation again, prepares hydrophilic modifying agent.
Wherein the mean diameter of nano silica powder is 50～65 nanometers, nano silicon at N,
The mass concentration of N-dimethyl pyrrolidone is 25g/L, toluene diisocynate toluene ester and nano silicon
Mol ratio be 1:5.
Silica surface has the hydroxyl structure of excellence, it is possible to the isocyanate group of active group
React, thus give inert silicon dioxde reaction activity, the beneficially polymeric modification in later stage；And it is different
After the hydroxyl reaction of cyanic acid group and silica surface, generating isocyanate groups, it has excellence
Hydrophilicity, it is possible to hydrone is adsorbed and conducts, simultaneously after isocyanate group and pet reaction,
Make isocyanate groups introduce in molecule segment, improve polyester hydrophilic, the most lasting hydrophilic；
The silicon dioxide with loose structure is introduced in polyester segment simultaneously, due to the loose structure that it is special,
Steam is had the effect of moisturizing and moisture absorption, is beneficial to as steam moisturizing and the storage vault of moisture absorption, and improves
The hydrophilicity of polyester material, and introduce the silicon dioxide on polyester molecule chain and isocyanate structural
Break the molecular structure regularity of polyester so that it is crystal property reduces and improves the amorphous region of polyester fiber,
Thus promote hydrophilicity.
(2) preparation of dispersed hydrophilic modifying agent:
Using wet ball grinding technique, the hydrophilic modifying agent prepared with step (1) and polyethylene glycol-800 are former
Material, joins hydrophilic modifying agent under the conditions of 120 DEG C and is stirred dispersion in polyethylene glycol-800 solution
30 minutes, it is then cooled to room temperature and prepares ground slurry, then ground slurry is joined ball mill
In carry out ball milling, grind and prepare dispersed hydrophilic modifying agent after terminating.
Wherein ball-milling technology be rotating speed be 1500～2000 revs/min, loading is 60～75%, zirconium strain put down
All particle diameters are 3～5 millimeters, and Ball-milling Time is 6～8 hours.
It is 35～45% that hydrophilic modifying agent accounts for the mass fraction of ground slurry.
Polyethylene glycol-800 is creamy material, minute containing hydroxyl structure, it is possible at a certain temperature with different
Cyanic acid radical reaction, and in process of lapping, utilize the preheating ground to make PEG800 melted and and isocyanide
Acid groups reacts, and is possible not only to realize high-efficient grinding, improves dispersive property, can also allow poly-second two simultaneously
Alcohol 800 and isocyanate reaction, be more beneficial for isocyanates and be incorporated in polyester segment；PEG800 simultaneously
Molecular structure is polyether structure, has the hydrophilicity of excellence, in the ester exchange reaction with PET final polycondensation
During, the polyethers of long-chain is incorporated on polyester molecule segment, promotes the hydrophilicity of polyester.
(3) esterification:
With p-phthalic acid, ethylene glycol is raw material, carries out esterification and obtains carboxylate；
Particularly as follows:
With p-phthalic acid, ethylene glycol is raw material, first by p-phthalic acid, and ethylene glycol, sodium acetate, second
Glycol antimony and triphenyl phosphate join in making beating still, carry out pulling an oar 45～60min under the conditions of 25～80 DEG C
Obtain esterification making beating liquid；Pulled an oar by esterification, make p-phthalic acid disperse with ethylene glycol, the most again
Esterification making beating liquid is being imported in esterifying kettle by polymerization pipeline, in nitrogen atmosphere, esterification temperature
Degree is 235～245 DEG C, and esterification reaction pressure is 0.15～0.25MPa, and reaction time of esterification is 1.5～2.5h,
When scheduling theory water yield reaches 95%, reaction obtains carboxylate after terminating.
P-phthalic acid is 1:1.25 with the mol ratio of ethylene glycol；P-phthalic acid and the mass ratio of sodium acetate
Value is 1:0.0005；P-phthalic acid is 1:0.01% with the mass values of antimony glycol；P-phthalic acid with
The mass values of triphenyl phosphate is 1:0.01%.
(4) polycondensation reaction:
Carboxylate step (3) obtained imports in polycondensation vessel by polymerization pipeline, in atmospheric conditions,
With nitrogen as protective gas, esterification obtains polycondensation oligomer after terminating；Reaction temperature be 245～
255 DEG C, the response time is 1.5～2.0h.
(5) whole polycondensation reaction, the polycondensation oligomer (4th) step obtained is imported to by polymerization pipeline
In whole batch condensation polymerization reactor, fused mass directly spinning is then used to add the mode that the poly-pipeline of final minification adds online, step
Suddenly the dispersed hydrophilic modifying agent that (2) prepare joins in batch condensation polymerization reactor, obtains with step (4)
Polycondensation oligomer carry out whole polycondensation reaction, carry out whole polycondensation reaction by high temperature high vacuum condition, utilize
Ester exchange reaction between dispersed hydrophilic modifying agent and polyester prepares required hydrophilic polyesters section.
High temperature fine vacuum reaction temperature is 275～285 DEG C, and reaction vacuum degree control is 10～60Pa, reaction
Time is 1.5～2.5h.
Dispersed hydrophilic modifying agent is 5～15% at the mass fraction that hydrophilic polyesters is cut into slices；
Two, fused mass directly spinning total fiber number is the preparation of Manufacturing Pet Fine Filaments of 33dtex/144f
Use fused mass directly spinning to add injected system before pump online, with step () prepare hydrophilic poly-
Ester section, for injecting raw material before pump, is main melt with normal polyester melt, makes parent by injected system before pump
Water polyester fondant mixes with main melt, then through spinning front filtration, enters into filament spinning component, melts
Spinning, through through ring quenching, oil, drawing-off, winding obtain super fine denier POY fiber；Then with super
Fine denier POY fiber is raw material, on DTY elasticizer, super fine denier POY fiber through pre-network nozzle,
First roller, deformation hot box, coldplate, scroll tube, the second roller, master network nozzle, auxiliary second
Roller, shaping heat box, the 3rd roller, finish oil disc, coiling and molding prepare required superfine denier polyester
Long filament.
The special spinning jet hole count of described Manufacturing Pet Fine Filaments is more than 128, the spinning winding speed of Manufacturing Pet Fine Filaments
Degree is 3800～4500 ms/min, and ring blowing wind speed is 0.35～0.5 m/min, ring blowing air tube length degree
Being 120～165 centimetres, draw ratio is 1.8～2.2 times.
Embodiment 2
A kind of preparation method of the Manufacturing Pet Fine Filaments of 33dtex/144f, it concretely comprises the following steps:
One, the preparation of hydrophilic polyesters section
(1) preparation of hydrophilic modifying agent:
With nano silica powder as raw material, under normal temperature condition, at N, N-dimethyl pyrrolidone
Carrying out high-speed stirred ultrasonic disperse in solution, jitter time is 6～12h, high-speed stirred speed be 3000～
4000 revs/min, then in nitrogen atmosphere, add toluene di-isocyanate(TDI), 135～155 DEG C of reaction temperature
Under degree, react 45～60min, after reaction terminates, the most again under the conditions of 180 DEG C, decompression distillation 45min,
Then under the conditions of 120 DEG C, it is dried 48h with decompression product of distillation again, prepares hydrophilic modifying agent.
Wherein the mean diameter of nano silica powder is 50～65 nanometers, nano silicon at N,
The mass concentration of N-dimethyl pyrrolidone is 30g/L, toluene diisocynate toluene ester and nano silicon
Mol ratio be 1:8.
Silica surface has the hydroxyl structure of excellence, it is possible to the isocyanate group of active group
React, thus give inert silicon dioxde reaction activity, the beneficially polymeric modification in later stage；And it is different
After the hydroxyl reaction of cyanic acid group and silica surface, generating isocyanate groups, it has excellence
Hydrophilicity, it is possible to hydrone is adsorbed and conducts, simultaneously after isocyanate group and pet reaction,
Make isocyanate groups introduce in molecule segment, improve polyester hydrophilic, the most lasting hydrophilic；
The silicon dioxide with loose structure is introduced in polyester segment simultaneously, due to the loose structure that it is special,
Steam is had the effect of moisturizing and moisture absorption, is beneficial to as steam moisturizing and the storage vault of moisture absorption, and improves
The hydrophilicity of polyester material, and introduce the silicon dioxide on polyester molecule chain and isocyanate structural
Break the molecular structure regularity of polyester so that it is crystal property reduces and improves the amorphous region of polyester fiber,
Thus promote hydrophilicity.
(2) preparation of dispersed hydrophilic modifying agent:
Using wet ball grinding technique, the hydrophilic modifying agent prepared with step (1) and polyethylene glycol-800 are former
Material, joins hydrophilic modifying agent under the conditions of 120 DEG C and is stirred dispersion in polyethylene glycol-800 solution
30 minutes, it is then cooled to room temperature and prepares ground slurry, then ground slurry is joined ball mill
In carry out ball milling, grind and prepare dispersed hydrophilic modifying agent after terminating.
Wherein ball-milling technology be rotating speed be 1500～2000 revs/min, loading is 60～75%, zirconium strain put down
All particle diameters are 3～5 millimeters, and Ball-milling Time is 6～8 hours.
It is 40% that hydrophilic modifying agent accounts for the mass fraction of ground slurry.
Polyethylene glycol-800 is creamy material, minute containing hydroxyl structure, it is possible at a certain temperature with different
Cyanic acid radical reaction, and in process of lapping, utilize the preheating ground to make PEG800 melted and and isocyanide
Acid groups reacts, and is possible not only to realize high-efficient grinding, improves dispersive property, can also allow poly-second two simultaneously
Alcohol 800 and isocyanate reaction, be more beneficial for isocyanates and be incorporated in polyester segment；PEG800 simultaneously
Molecular structure is polyether structure, has the hydrophilicity of excellence, in the ester exchange reaction with PET final polycondensation
During, the polyethers of long-chain is incorporated on polyester molecule segment, promotes the hydrophilicity of polyester.
(3) esterification:
With p-phthalic acid, ethylene glycol is raw material, carries out esterification and obtains carboxylate；
Particularly as follows:
With p-phthalic acid, ethylene glycol is raw material, first by p-phthalic acid, and ethylene glycol, sodium acetate, second
Glycol antimony and triphenyl phosphate join in making beating still, carry out pulling an oar 45～60min under the conditions of 25～80 DEG C
Obtain esterification making beating liquid；Pulled an oar by esterification, make p-phthalic acid disperse with ethylene glycol, the most again
Esterification making beating liquid is being imported in esterifying kettle by polymerization pipeline, in nitrogen atmosphere, esterification temperature
Degree is 235～245 DEG C, and esterification reaction pressure is 0.15～0.25MPa, and reaction time of esterification is 1.5～2.5h,
When scheduling theory water yield reaches 95%, reaction obtains carboxylate after terminating.
P-phthalic acid is 1:1.35 with the mol ratio of ethylene glycol；P-phthalic acid and the mass ratio of sodium acetate
Value is 1:0.0059；P-phthalic acid is 1:0.015% with the mass values of antimony glycol；P-phthalic acid
It is 1:0.018% with the mass values of triphenyl phosphate.
(4) polycondensation reaction:
Carboxylate step (3) obtained imports in polycondensation vessel by polymerization pipeline, in atmospheric conditions,
With nitrogen as protective gas, esterification obtains polycondensation oligomer after terminating；Reaction temperature be 245～
255 DEG C, the response time is 1.5～2.0h.
(5) whole polycondensation reaction, the polycondensation oligomer (4th) step obtained is imported to by polymerization pipeline
In whole batch condensation polymerization reactor, fused mass directly spinning is then used to add the mode that the poly-pipeline of final minification adds online, step
Suddenly the dispersed hydrophilic modifying agent that (2) prepare joins in batch condensation polymerization reactor, obtains with step (4)
Polycondensation oligomer carry out whole polycondensation reaction, carry out whole polycondensation reaction by high temperature high vacuum condition, utilize
Ester exchange reaction between dispersed hydrophilic modifying agent and polyester prepares required hydrophilic polyesters section.
High temperature fine vacuum reaction temperature is 275～285 DEG C, and reaction vacuum degree control is 10～60Pa, reaction
Time is 1.5～2.5h.
Dispersed hydrophilic modifying agent is 10% at the mass fraction that hydrophilic polyesters is cut into slices.
Two, fused mass directly spinning total fiber number is the preparation of Manufacturing Pet Fine Filaments of 33dtex/144f
Use fused mass directly spinning to add injected system before pump online, with step () prepare hydrophilic poly-
Ester section, for injecting raw material before pump, is main melt with normal polyester melt, makes parent by injected system before pump
Water polyester fondant mixes with main melt, then through spinning front filtration, enters into filament spinning component, melts
Spinning, through through ring quenching, oil, drawing-off, winding obtain super fine denier POY fiber；Then with super
Fine denier POY fiber is raw material, on DTY elasticizer, super fine denier POY fiber through pre-network nozzle,
First roller, deformation hot box, coldplate, scroll tube, the second roller, master network nozzle, auxiliary second
Roller, shaping heat box, the 3rd roller, finish oil disc, coiling and molding prepare required superfine denier polyester
Long filament.
The special spinning jet hole count of described Manufacturing Pet Fine Filaments is more than 128, the spinning winding speed of Manufacturing Pet Fine Filaments
Degree is 3800～4500 ms/min, and ring blowing wind speed is 0.35～0.5 m/min, ring blowing air tube length degree
Being 120～165 centimetres, draw ratio is 1.8～2.2 times.
Embodiment 3
A kind of preparation method of the Manufacturing Pet Fine Filaments of 33dtex/144f, it concretely comprises the following steps:
One, the preparation of hydrophilic polyesters section
(1) preparation of hydrophilic modifying agent:
With nano silica powder as raw material, under normal temperature condition, at N, N-dimethyl pyrrolidone
Carrying out high-speed stirred ultrasonic disperse in solution, jitter time is 6～12h, high-speed stirred speed be 3000～
4000 revs/min, then in nitrogen atmosphere, add toluene di-isocyanate(TDI), 135～155 DEG C of reaction temperature
Under degree, react 45～60min, after reaction terminates, the most again under the conditions of 180 DEG C, decompression distillation 45min,
Then under the conditions of 120 DEG C, it is dried 48h with decompression product of distillation again, prepares hydrophilic modifying agent；
Wherein the mean diameter of nano silica powder is 50～65 nanometers, nano silicon at N,
The mass concentration of N-dimethyl pyrrolidone is 38g/L, toluene diisocynate toluene ester and nano silicon
Mol ratio be 10.
Silica surface has the hydroxyl structure of excellence, it is possible to the isocyanate group of active group
React, thus give inert silicon dioxde reaction activity, the beneficially polymeric modification in later stage；And it is different
After the hydroxyl reaction of cyanic acid group and silica surface, generating isocyanate groups, it has excellence
Hydrophilicity, it is possible to hydrone is adsorbed and conducts, simultaneously after isocyanate group and pet reaction,
Make isocyanate groups introduce in molecule segment, improve polyester hydrophilic, the most lasting hydrophilic；
The silicon dioxide with loose structure is introduced in polyester segment simultaneously, due to the loose structure that it is special,
Steam is had the effect of moisturizing and moisture absorption, is beneficial to as steam moisturizing and the storage vault of moisture absorption, and improves
The hydrophilicity of polyester material, and introduce the silicon dioxide on polyester molecule chain and isocyanate structural
Break the molecular structure regularity of polyester so that it is crystal property reduces and improves the amorphous region of polyester fiber,
Thus promote hydrophilicity.
(2) preparation of dispersed hydrophilic modifying agent:
Using wet ball grinding technique, the hydrophilic modifying agent prepared with step (1) and polyethylene glycol-800 are former
Material, joins hydrophilic modifying agent under the conditions of 120 DEG C and is stirred dispersion in polyethylene glycol-800 solution
30 minutes, it is then cooled to room temperature and prepares ground slurry, then ground slurry is joined ball mill
In carry out ball milling, grind and prepare dispersed hydrophilic modifying agent after terminating；
Wherein ball-milling technology be rotating speed be 1500～2000 revs/min, loading is 60～75%, zirconium strain put down
All particle diameters are 3～5 millimeters, and Ball-milling Time is 6～8 hours；
It is 45% that hydrophilic modifying agent accounts for the mass fraction of ground slurry；
Polyethylene glycol-800 is creamy material, minute containing hydroxyl structure, it is possible at a certain temperature with different
Cyanic acid radical reaction, and in process of lapping, utilize the preheating ground to make PEG800 melted and and isocyanide
Acid groups reacts, and is possible not only to realize high-efficient grinding, improves dispersive property, can also allow poly-second two simultaneously
Alcohol 800 and isocyanate reaction, be more beneficial for isocyanates and be incorporated in polyester segment；PEG800 simultaneously
Molecular structure is polyether structure, has the hydrophilicity of excellence, in the ester exchange reaction with PET final polycondensation
During, the polyethers of long-chain is incorporated on polyester molecule segment, promotes the hydrophilicity of polyester.
(3) esterification:
With p-phthalic acid, ethylene glycol is raw material, carries out esterification and obtains carboxylate；
Particularly as follows:
With p-phthalic acid, ethylene glycol is raw material, first by p-phthalic acid, and ethylene glycol, sodium acetate, second
Glycol antimony and triphenyl phosphate join in making beating still, carry out pulling an oar 45～60min under the conditions of 25～80 DEG C
Obtain esterification making beating liquid；Pulled an oar by esterification, make p-phthalic acid disperse with ethylene glycol, the most again
Esterification making beating liquid is being imported in esterifying kettle by polymerization pipeline, in nitrogen atmosphere, esterification temperature
Degree is 235～245 DEG C, and esterification reaction pressure is 0.15～0.25MPa, and reaction time of esterification is 1.5～2.5h,
When scheduling theory water yield reaches 95%, reaction obtains carboxylate after terminating.
P-phthalic acid is 1:1.45 with the mol ratio of ethylene glycol；P-phthalic acid and the mass ratio of sodium acetate
Value is 1:0.0075；P-phthalic acid is 1:0.025% with the mass values of antimony glycol；P-phthalic acid
It is 1:0.025% with the mass values of triphenyl phosphate.
(4) polycondensation reaction:
Carboxylate step (3) obtained imports in polycondensation vessel by polymerization pipeline, in atmospheric conditions,
With nitrogen as protective gas, esterification obtains polycondensation oligomer after terminating；Reaction temperature be 245～
255 DEG C, the response time is 1.5～2.0h.
(5) whole polycondensation reaction, the polycondensation oligomer (4th) step obtained is imported to by polymerization pipeline
In whole batch condensation polymerization reactor, fused mass directly spinning is then used to add the mode that the poly-pipeline of final minification adds online, step
Suddenly the dispersed hydrophilic modifying agent that (2) prepare joins in batch condensation polymerization reactor, obtains with step (4)
Polycondensation oligomer carry out whole polycondensation reaction, carry out whole polycondensation reaction by high temperature high vacuum condition, utilize
Ester exchange reaction between dispersed hydrophilic modifying agent and polyester prepares required hydrophilic polyesters section.
High temperature fine vacuum reaction temperature is 275～285 DEG C, and reaction vacuum degree control is 10～60Pa, reaction
Time is 1.5～2.5h.
Dispersed hydrophilic modifying agent is 15% at the mass fraction that hydrophilic polyesters is cut into slices.
Two, fused mass directly spinning total fiber number is the preparation of Manufacturing Pet Fine Filaments of 33dtex/144f
Use fused mass directly spinning to add injected system before pump online, with step () prepare hydrophilic poly-
Ester section, for injecting raw material before pump, is main melt with normal polyester melt, makes parent by injected system before pump
Water polyester fondant mixes with main melt, then through spinning front filtration, enters into filament spinning component, melts
Spinning, through through ring quenching, oil, drawing-off, winding obtain super fine denier POY fiber；Then with super
Fine denier POY fiber is raw material, on DTY elasticizer, super fine denier POY fiber through pre-network nozzle,
First roller, deformation hot box, coldplate, scroll tube, the second roller, master network nozzle, auxiliary second
Roller, shaping heat box, the 3rd roller, finish oil disc, coiling and molding prepare required superfine denier polyester
Long filament.
The special spinning jet hole count of described Manufacturing Pet Fine Filaments is more than 128, the spinning winding speed of Manufacturing Pet Fine Filaments
Degree is 3800～4500 ms/min, and ring blowing wind speed is 0.35～0.5 m/min, ring blowing air tube length degree
Being 120～165 centimetres, draw ratio is 1.8～2.2 times.
The above is only the preferred embodiment of the present invention, it is noted that general for the art
Logical technical staff, without departing from the inventive concept of the premise, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as in protection scope of the present invention.
Claims (8)
1. the preparation method of the Manufacturing Pet Fine Filaments of a 33dtex/144f, it is characterised in that it specifically walks
Suddenly it is:
One, the preparation of hydrophilic polyesters section
(1) preparation of hydrophilic modifying agent:
With nano silica powder as raw material, under normal temperature condition, molten at N, N-dimethyl pyrrolidone
Carrying out high-speed stirred ultrasonic disperse in liquid, jitter time is 6～12h, high-speed stirred speed be 3000～
4000 revs/min, then in nitrogen atmosphere, add toluene di-isocyanate(TDI), 135～155 DEG C of reaction temperature
Under degree, react 45～60min, after reaction terminates, the most again under the conditions of 180 DEG C, decompression distillation 45min,
Then under the conditions of 120 DEG C, it is dried 48h with decompression product of distillation again, prepares hydrophilic modifying agent；
(2) preparation of dispersed hydrophilic modifying agent:
Using wet ball grinding technique, the hydrophilic modifying agent prepared with step (1) and polyethylene glycol-800 are former
Material, joins hydrophilic modifying agent under the conditions of 120 DEG C and is stirred dispersion in polyethylene glycol-800 solution
30 minutes, it is then cooled to room temperature and prepares ground slurry, then ground slurry is joined ball mill
In carry out ball milling, grind and prepare dispersed hydrophilic modifying agent after terminating；
(3) esterification:
With p-phthalic acid, ethylene glycol is raw material, carries out esterification and obtains carboxylate；
(4) polycondensation reaction:
Carboxylate step (3) obtained imports in polycondensation vessel by polymerization pipeline, in atmospheric conditions,
With nitrogen as protective gas, esterification obtains polycondensation oligomer after terminating；
(5) whole polycondensation reaction:
The polycondensation oligomer (4th) step obtained imports in whole batch condensation polymerization reactor by polymerization pipeline, so
Rear employing fused mass directly spinning adds the mode that the poly-pipeline of final minification adds online, dividing that step (2) prepares
Dissipating hydrophilic modifying agent and join in batch condensation polymerization reactor, the polycondensation oligomer obtained with step (4) carries out final minification
Poly-reaction, carries out whole polycondensation reaction by high temperature high vacuum condition, utilizes dispersed hydrophilic modifying agent and polyester
Between ester exchange reaction prepare the section of required hydrophilic polyesters；
Two, fused mass directly spinning total fiber number is the preparation of Manufacturing Pet Fine Filaments of 33dtex/144f
Use fused mass directly spinning to add injected system before pump online, with step () prepare hydrophilic poly-
Ester section, for injecting raw material before pump, is main melt with normal polyester melt, makes parent by injected system before pump
Water polyester fondant mixes with main melt, then through spinning front filtration, enters into filament spinning component, melts
Spinning, through through ring quenching, oil, drawing-off, winding obtain super fine denier POY fiber；Then with super
Fine denier POY fiber is raw material, on DTY elasticizer, super fine denier POY fiber through pre-network nozzle,
First roller, deformation hot box, coldplate, scroll tube, the second roller, master network nozzle, auxiliary second
Roller, shaping heat box, the 3rd roller, finish oil disc, coiling and molding prepare required superfine denier polyester
Long filament.
The preparation method of the Manufacturing Pet Fine Filaments of a kind of 33dtex/144f the most as claimed in claim 1, its
Being characterised by, in the preparation of hydrophilic modifying agent, nano silicon is at N, N-dimethyl pyrrolidone
Mass concentration be 25～40g/L.
The preparation method of the Manufacturing Pet Fine Filaments of a kind of 33dtex/144f the most as claimed in claim 1, its
It is characterised by, in the preparation of hydrophilic modifying agent, toluene diisocynate toluene ester and nano silicon
Mol ratio is 1:5～1:10.
The preparation method of the Manufacturing Pet Fine Filaments of a kind of 33dtex/144f the most as claimed in claim 1, its
Be characterised by, in the preparation of dispersed hydrophilic modifying agent, ball-milling technology be rotating speed be 1500～2000 turns/
Minute, loading is 60～75%, and zirconium strain mean diameter is 3～5 millimeters, and Ball-milling Time is 6～8 little
Time.
The preparation method of the Manufacturing Pet Fine Filaments of a kind of 33dtex/144f the most as claimed in claim 1, its
Being characterised by, in the preparation of dispersed hydrophilic modifying agent, hydrophilic modifying agent accounts for the mass fraction of ground slurry
It is 35～45%.
The preparation method of the Manufacturing Pet Fine Filaments of a kind of 33dtex/144f the most as claimed in claim 1, its
Being characterised by, in whole polycondensation reaction, high temperature fine vacuum reaction temperature is 275～285 DEG C, reacts vacuum
Degree control is 10～60Pa, and the response time is 1.5～2.5h.
The preparation method of the Manufacturing Pet Fine Filaments of a kind of 33dtex/144f the most as claimed in claim 1, its
Being characterised by, in whole polycondensation reaction, the mass fraction that dispersed hydrophilic modifying agent is cut into slices at hydrophilic polyesters is
5～15%.
The preparation method of the Manufacturing Pet Fine Filaments of a kind of 33dtex/144f the most as claimed in claim 1, its
Being characterised by, in the preparation of the Manufacturing Pet Fine Filaments that fused mass directly spinning total fiber number is 33dtex/144f, terylene is thin
The spinning winding speed of denier silk is 3800～4500 ms/min, and ring blowing wind speed is 0.35～0.5 m/min,
A length of 120～165 centimetres of ring blowing air cylinder, draw ratio is 1.8～2.2 times.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03241028A (en) * | 1990-02-19 | 1991-10-28 | Gunze Ltd | Machine thread |
| JP2001262434A (en) * | 2000-03-13 | 2001-09-26 | Toyobo Co Ltd | Deeply dyeable polyester ultra-fine filament yarn and method of producing the same |
| JP2001348728A (en) * | 2000-06-06 | 2001-12-21 | Asahi Kasei Corp | Ultrafine fiber |
| CN1427019A (en) * | 2001-12-19 | 2003-07-02 | 吴江丝绸股份有限公司 | Preparation method of polyester for spinning large bright heat pipe drawn yarn |
| CN102505226A (en) * | 2011-09-21 | 2012-06-20 | 江苏盛虹科技股份有限公司 | Ultrafine polyester draw textured yarns and method for processing same |
| CN104514037A (en) * | 2013-10-08 | 2015-04-15 | 中国石油化工股份有限公司 | Production method of high-strength fine-denier lustrous polyester fiber staple fibers |
-
2016
- 2016-06-12 CN CN201610408249.5A patent/CN105908282B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03241028A (en) * | 1990-02-19 | 1991-10-28 | Gunze Ltd | Machine thread |
| JP2001262434A (en) * | 2000-03-13 | 2001-09-26 | Toyobo Co Ltd | Deeply dyeable polyester ultra-fine filament yarn and method of producing the same |
| JP2001348728A (en) * | 2000-06-06 | 2001-12-21 | Asahi Kasei Corp | Ultrafine fiber |
| CN1427019A (en) * | 2001-12-19 | 2003-07-02 | 吴江丝绸股份有限公司 | Preparation method of polyester for spinning large bright heat pipe drawn yarn |
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