CN105603567A - Super-bright optical whitening terylene special filament for fine denier industry and preparation method thereof - Google Patents
Super-bright optical whitening terylene special filament for fine denier industry and preparation method thereof Download PDFInfo
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- CN105603567A CN105603567A CN201511019413.5A CN201511019413A CN105603567A CN 105603567 A CN105603567 A CN 105603567A CN 201511019413 A CN201511019413 A CN 201511019413A CN 105603567 A CN105603567 A CN 105603567A
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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
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- 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
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- 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
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
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- 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
- D01D7/00—Collecting the newly-spun products
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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
- 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
Abstract
The invention provides a super-bright optical whitening terylene special filament for a fine denier industry and a preparation method thereof. The super-bright optical whitening terylene special filament for the fine denier industry comprises super-bright polyester and a fluorescent whitening agent color master batch, wherein the fluorescent whitening agent color master batch is prepared from the following materials by content: 20 to 80 percent of polyethylene glycol terephthalate, 20 to 80 percent polybutylene terephthalate, 0.1 to 2.0 percent of fluorescent whitening agent and 0.4 to 12 percent of auxiliary additive. According to the preparation method of the super-bright optical whitening terylene special filament for the fine denier industry, which is provided by the invention, firstly, a conventional-viscosity polyester chip is selected to replace a high-viscosity chip through a drying viscosification method to carry out melt spinning; the production cost is saved drastically from a material cost; secondly, a production method provided by the invention is shorter in process flow and low in energy consumption; the end breakage rate in a production process is lower; the produced filament can meet the requirement of a moderate and high-strength sewing thread; moreover, the consumption of an energy source is decreased in the production process; the super-bright optical whitening terylene special filament for the fine denier industry and the preparation method thereof have an energy conservation effect.
Description
Technical field
The present invention relates to chemical fibre field, relate in particular to a kind of super thin dawn industry of light optical whitening that hasWith special long filament of terylene and preparation method thereof.
Background technology
Polyster fibre sewing thread comprises polyester filament sewing thread and dacron short silk sewing thread, and polyester filament seamThe line of threading has that intensity is high, line matter softness, nothing is gone mouldy, seamability is good, physicochemical properties are stablized nothingThe advantages such as joint, are widely used in the fields such as high-grade dress ornament, case and bag, shoes and hats, military supplies.
Sewing thread mainly contains to spin by the technology of polyester filament and draws one-step method (FDY method (FULL both at home and abroadDRAWYARN)), UDY-DT two-step method and POY-DT (PARTIALLYORIENTEDYARN)Two-step method. FDY method polyester slice with high viscosity, spins in journey and needs to set up annealing device, manufacturesThis height, more outstanding while especially producing the fine denier filament below 150D. UDY-DT two-step method is first spunUndrawn yarn processed, then carry out multistage super drawing, but the intensity of the polyester filament obtaining is not high,Lack effective sizing, percent thermal shrinkage is higher, substantially superseded. Chinese patent CN200610085250,Adopt POY-DT two-step method successively through one-level stretching, nervous thermal finalization, secondary drawing, laxThe operation such as thermal finalization and coiling is produced fine denier high intensity low shrinkage flatness type polyester filament. The terylene obtainingYarn strength and boiling water shrinkage can meet the requirement of medium-to-high grade long filament sewing thread. But, its techniqueLong flow path, energy consumption is high, end breakage rate is higher in production process, causes production cost high.
Summary of the invention
Provide hereinafter about brief overview of the present invention, so as to provide about of the present invention someThe basic comprehension of aspect. Should be appreciated that this general introduction is not about exhaustive general introduction of the present invention.It is not that intention is determined key of the present invention or pith, neither be intended to limit of the present inventionScope. Its object is only that the form of simplifying provides some concept, using this as discussion after a whilePreorder in greater detail.
The object of this invention is to provide that high-strength in one, low heat shrinkage is super a thin dawn of light optical whiteningTerylene special long filament and preparation method thereof for industry, solve in background technology in high-strength, low thermal shrinkageIndustry of thin dawn of rate is with in the special long filament production process of terylene, energy consumption is high, technological process is long, and cost occupies highProblem not; And solve the super special long filament process flow of industry of thin dawn of light optical whitening terylene that hasJourney is long, energy consumption is high, in production process end breakage rate compared with high-technology problem.
The invention provides a kind of super special long filament of industry of thin dawn of light optical whitening terylene that has, comprising:Super glossy polyester and fluorescent whitening agent Masterbatch, wherein said fluorescent whitening agent Masterbatch accounts for described superThe mass fraction of glossy polyester is 3-4%, and described fluorescent whitening agent Masterbatch comprises the material of following contentMaterial: the PETG of 20-80%, the polybutylene terephthalate (PBT) of 20-80%,The fluorescent whitening agent of 0.1-2.0% and the auxiliary additive of 0.4-12%.
The present invention also provides a kind of super special long filament preparation of industry of thin dawn of light optical whitening terylene that hasMethod, is characterized in that, comprises step:
S101: super bright PET chips and fluorescent whitening agent Masterbatch are dried, with to describedSuper bright PET chips is carried out tackify and viscosity homogenizing;
S102: described super bright PET chips is mixed and passed through spiral shell with described fluorescent whitening agent MasterbatchBar extruder melt extrudes;
S103: the melt of extruding is filtered by filter, remove the impurity in melt, withMix by static mixer afterwards;
S104: mixed melt carries out spinning through spinning manifold, carries out cooling subsequently to long filamentAnd oil by oil tanker, the long filament after oiling is by seal wire rod to increase spinning tension, and then warp is pre-Network device makes finish homogenizing;
S105: the long filament after pre-Network device enters drafting system and carries out drawing-off and thermal finalization, drawing-offBy master network device, strand is carried out to networking afterwards, the tow after networking carries out through winding head againReel.
The super special filament preparation process of industry of thin dawn of light optical whitening terylene that has provided by the invention,First select the polyester slice (0.64-0.68dL/g) of conventional viscosity by the mode of dry tackifyReplace high glutinous section and carry out melt spinning, from cost of material, significantly saved production cost; SecondlyProduction method technological process in the present invention is shorter, and energy consumption is low, and end breakage rate is lower in process of production,The long filament of producing can meet the requirement of middle high strength sewing threads, and has reduced in production processThe consumption of the energy, has energy-conservation effect.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below willAccompanying drawing to required use in embodiment or description of the Prior Art is briefly described, apparentGround, the accompanying drawing in the following describes is only some embodiments of the present invention, for the common skill in this areaArt personnel, are not paying under the prerequisite of creative work, can also obtain according to these accompanying drawingsOther accompanying drawing.
Fig. 1 surpasses in the present invention to have the special filament preparation process of industry of thin dawn of light optical whitening teryleneFlow chart.
Detailed description of the invention
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction withAccompanying drawing in the embodiment of the present invention, carries out clear, complete to the technical scheme in the embodiment of the present inventionGround is described, and obviously, described embodiment is the present invention's part embodiment, instead of wholeEmbodiment. Element and the feature in an accompanying drawing of the present invention or a kind of embodiment, described are passableCombine with element and feature shown in one or more other accompanying drawing or embodiment. ShouldNote, for purposes of clarity, in accompanying drawing and explanation, omitted unrelated to the invention, this areaThe parts that those of ordinary skill is known and the expression of processing and description. Based on the enforcement in the present inventionExample, it is all that those of ordinary skill in the art obtain under the prerequisite of not paying creative workOther embodiment, belong to the scope of protection of the invention.
Embodiment mono-:
The invention provides a kind of super special long filament of industry of thin dawn of light optical whitening terylene that has, comprising:Super glossy polyester and fluorescent whitening agent Masterbatch, wherein said fluorescent whitening agent Masterbatch accounts for described superThe mass fraction of glossy polyester is 3-4%, and described fluorescent whitening agent Masterbatch comprises the material of following contentMaterial: the PETG of 20-80%, the polybutylene terephthalate (PBT) of 20-80%,The fluorescent whitening agent of 0.1-2.0% and the auxiliary additive of 0.4-12%.
Optionally, described auxiliary additive comprises: heat stabilizer 0.1-3%, antioxidant 0.1-3%,Dispersant 0.1-5%, coupling agent 0.1-1%.
Optionally, described fluorescent whitening agent is following one or more: benzazoles: C.I.Fluorescent whitening agent 135 (DT), C.I. fluorescent whitening agent 184 (OB), C.I. fluorescent whitening agent 393(OB-1); Pyrene derivatives class: C.I. fluorescent whitening agent 179 (FluliteXMF).
1010,1330 optionally, described antioxidant is following one or more:,MARK5118A; Described heat stabilizer is following one or more: organotin mercaptide compound,Ethylenediamine tetra-acetic acid is received, dibutyl tin laurate.
Optionally, described dispersant is following one or more: polyvinylpyrrolidone, threeHydroxyl the first and second alkane, CH series; Described coupling agent is titanate ester.
The present invention replaces high by the polyester slice of selecting conventional viscosity by the mode of dry tackifyMelt spinning is carried out in glutinous section, significantly saved production cost, and end breakage rate from cost of materialLow, the long filament of producing can meet the requirement of middle high strength sewing threads.
Embodiment bis-:
As shown in Figure 1, the present invention also provides a kind of surpassing to have the thin dawn industry of light optical whitening terylene specialBy filament preparation process, comprise step:
S101: super bright PET chips and fluorescent whitening agent Masterbatch are dried, with to describedSuper bright PET chips is carried out tackify and viscosity homogenizing;
S102: described super bright PET chips is mixed and passed through spiral shell with described fluorescent whitening agent MasterbatchBar extruder melt extrudes;
S103: the melt of extruding is filtered by filter, remove the impurity in melt, withMix by static mixer afterwards;
S104: mixed melt carries out spinning through spinning manifold, carries out cooling subsequently to long filamentAnd oil by oil tanker, the long filament after oiling is by seal wire rod to increase spinning tension, and then warp is pre-Network device makes finish homogenizing;
S105: the long filament after pre-Network device enters drafting system and carries out drawing-off and thermal finalization, drawing-offBy master network device, strand is carried out to networking afterwards, the tow after networking carries out through winding head againReel.
Technological process in production method provided by the invention is shorter, and energy consumption is low, in process of productionEnd breakage rate is lower, and the long filament of producing can meet the requirement of middle high strength sewing threads.
Optionally, super bright PET chips described in the S101 of step shown in is pre-crystallized by fluid bedDevice and main drying tower are combined use and are dried, and described fluorescent whitening agent Masterbatch passes through vacuum drumBe dried. Described super bright PET chips is dried to tackify, makes it super glossy polyester is dry to cutSheet moisture content≤20ppm, is convenient to the follow-up enforcement that melt extrudes technique, and make to prepareThe parameter such as fracture strength and percentage elongation meets the requirements.
Optionally, described super bright PET chips time of staying in described pre-crystallizer is17-20min, pre-crystallized temperature is 175-185 DEG C; Described super bright PET chips is at main drying towerThe middle time of staying is 5.5-6.5h, and main baking temperature is 168-170 DEG C.
Optionally, described step S105 specifically comprises step:
Described drafting system comprises three hot-rollings, and described the first hot-rolling speed is 550-750m/s,Temperature is 105-115 DEG C; Described the second hot-rolling speed is 2300-2400m/s, and temperature is120-125 DEG C; Described the 3rd hot-rolling speed is 3200-3400m/s, and temperature is 235-245 DEG C.
Super in the present invention has in the special filament preparation process of industry of thin dawn of light optical whitening teryleneFirst from cost of material, significantly saved production cost, secondly the production method technique in the present inventionFlow process is shorter, and energy consumption is low, and end breakage rate is lower in process of production, and the long filament of producing can be expiredThe requirement of high strength sewing threads in foot.
Embodiment tri-:
Wet polyester slice is removed powder and bulky grain through vibratory sieve, is transported to fluid bed by pulserPre-crystallizer stops 17-20min in pre-crystallizer, and 185 DEG C of baking temperatures, at main drying towerMiddle stop 6h, 168 DEG C of baking temperatures, make water content≤20ppm after chip drying; Then distributeTo for subsequent use in each dry section stock chest.
It selects A Masterbatch to feed single screw extrusion machine with dry super bright PET chips to enter simultaneouslyRow melt extrudes, being wherein characterized as of A Masterbatch: high glutinous polyester slice section in Masterbatch(1.05-1.15dL/g) content is 59.25%, polybutylene terephthalate's content is 40%,Fluorescent brightener levels is 0.15%, heat stabilizer 0.2%, antioxidant 0.15%, dispersant 0.1%,Coupling agent 0.15%; Masterbatch is 3.5:100 with the interpolation ratio of super bright PET chips.
Select A Masterbatch to adopt metering valve metering and dry super bright PET chips to feed list simultaneouslyScrew extruder melt extrudes, and described screw rod is divided into six heating regions, the each district of screw rod temperatureThan the low 2-5 DEG C of production of white silk, in Masterbatch, contain " compatilizer " poly-to benzene with the temperature of casingDioctyl phthalate butanediol fat is easily degraded at high temperature, and spin manifold temperature is on the low side reduces Masterbatch at high temperatureUnder degraded. Wherein, each district temperature distribution is: a district: 263-265 DEG C, 2nd district: 268-270 DEG C,3rd district: 272-275 DEG C, 4th district: 277-280 DEG C, 5th district: 280-285 DEG C, 6th district: 283-285 DEG C,Head temperature: 283-286 DEG C, head pressure: 13.5-15MPa.
The temperature that the each district of described screw rod is specifically set is: 265 DEG C, a district, 270 DEG C, 2nd district, 3rd district273 DEG C, 277 DEG C, 4th district, 283 DEG C, 5th district, 284 DEG C, 6th district, 285 DEG C of head temperatures, pressure15MPa。
Described melt enters fondant filter after screw extruder, from fondant filter out againThen enter spinning manifold through static mixer, wherein, prefilter outlet pressure is11.5Mpa, is assigned to each measuring pump, after measuring pump metering, enters filament spinning component. In described assemblySand cup layer paving layer of non-woven fabric thereon, and increase thin in sand cup in assembly in the ratio of sand to increasePlus-pressure and strainability, because easily produce aggregated particle, in strand in look yarn spinning processEasily cause reunion, cause broken end to increase, the ratio that increases thin interior sand can reduce end breakage rate, increasesAdd spinnability.
It is cooling that tow enters cross air blasting from filament spinning component ejection, and wherein cross air blasting wind speed is0.4-0.6m/s; Then long filament oils by carrying out oil tanker, and oil applying rate is 0.8-1.5%, subtracts thusFew end breakage rate.
Taking the specification of spinning filament yarn as 150D/48f or 100D/36f or 75D/24f as example,Set cross air blasting wind speed 0.45m/s, 22 DEG C of temperature, humidity 70%. As-spun fibre adopts on oil tankerOil, upper oil mass is set as: 1.2%, then carry out pre-network, make finish more equal on strand surfaceEven, set pre-network pressure: 0.12MPa, pre-network pressure is slightly larger than the pressure of ordinary white,Improve sth. made by twisting power and finish at strand surface uniformity, strand enters drawing-off hot-rolling after pre-network to be passed throughMultistage hot-rolling carries out drawing-off, and tensioning thermal finalization.
The present invention adopts the mode of low speed spinning, high drafting, setting the first hot-rolling speed 550m/s,110 DEG C of temperature, winding 8 circles, the second hot-rolling speed is that 2318m/s, temperature are 120 DEG C, are wound around5 circles, the 3rd hot-rolling speed is that 3273m/s, temperature are 240 DEG C, winding 8 circles. Long filament is from the 3rdThe laggard Network device of becoming owner of of hot-rolling tensioning thermal finalization is twisted, to improve strand coherent and brute force,Wherein master network pressure: 0.3MPa; After master network, strand enters winding mechanism, sets the speed of reelingDegree is 3255m/s. The physical performance index of prepared long filament is in table 1.
Prepared long filament physical property in table 1 embodiment tri-
Embodiment tetra-:
Wet polyester slice is removed powder and bulky grain through vibratory sieve, is transported to pre-crystallized by pulserDevice stops 17-20min in pre-crystallizer, and 185 DEG C of baking temperatures stop in main drying tower6h, 168 DEG C of baking temperatures, make water content≤20ppm after chip drying; Then be assigned to each dryFor subsequent use in section stock chest.
It selects B Masterbatch to feed single screw extrusion machine with dry super glossy polyester to melt simultaneouslyMelt and extrude, being wherein characterized as of B Masterbatch: in Masterbatch, high glutinous amount of polyester is 39.45%, poly-Terephthalic acid (TPA) butanediol fat content is 60%, and fluorescent brightener levels is 0.12%, heat stabilizer0.1%, antioxidant 0.1%, dispersant 0.1%, coupling agent 0.1%. Masterbatch has light poly-with superThe interpolation of ester section is than being 3.5:100.
Select B Masterbatch to adopt metering valve metering and dry super bright PET chips to feed list simultaneouslyScrew extruder melt extrudes, and the temperature that the each district of described screw rod is specifically set is: a district265 DEG C, 270 DEG C, 2nd district, 273 DEG C, 3rd district, 277 DEG C, 4th district, 283 DEG C, 5th district, 286 DEG C, 6th district,285 DEG C of head temperatures, pressure 15MPa.
Described melt enters fondant filter after screw extruder, from fondant filter out againThen enter spinning manifold through static mixer, wherein, prefilter outlet pressure is11.5Mpa, is assigned to each measuring pump, after measuring pump metering, enters filament spinning component. Tow is from spinningAfter assembly ejection, enter cross air blasting cooling, wherein cross air blasting wind speed is 0.4-0.6m/s; Then long filamentCarry out oil tanker and oil, oil applying rate is 0.8-1.5%, reduces thus end breakage rate.
Taking the specification of spinning filament yarn as 150D/48f or 100D/36f or 75D/24f as example,Set cross air blasting wind speed 0.45m/s, 22 DEG C of temperature, humidity 70%. As-spun fibre adopts on oil tankerOil, upper oil mass is set as: 1.1%, then carry out pre-network, make finish more equal on strand surfaceEven, set pre-network pressure: 0.12MPa, pre-network pressure is slightly larger than the pressure of ordinary white,Improve sth. made by twisting power and finish at strand surface uniformity, strand enters drawing-off hot-rolling after pre-network to be passed throughMultistage hot-rolling carries out drawing-off, and tensioning thermal finalization.
The present invention adopts the mode of low speed spinning, high drafting, setting the first hot-rolling speed 550m/s,110 DEG C of temperature, winding 8 circles, the second hot-rolling speed is that 2318m/s, temperature are 120 DEG C, are wound around5 circles, the 3rd hot-rolling speed is that 3270m/s, temperature are 240 DEG C, winding 8 circles. Long filament is fromThe laggard Network device of becoming owner of of three hot-rolling sizings is twisted, to improve cohesive force and the brute force of strand, itsMiddle master network pressure: 0.3MPa; After master network, strand enters winding mechanism, sets winding speedFor 3255m/s. The physical performance index of prepared long filament is in table 2.
Prepared long filament physical property in table 2 embodiment tetra-
From above embodiment, can find out, the physical property of long filament and draft process and look mother have directlyConnect relation, this be because, the adding of antioxidant, heat stabilizer and the dispersant in Masterbatch ADosage is a bit larger tham Masterbatch B, can effectively reduce the thermal degradation of Masterbatch, reduces end breakage rate.
When protofibre is under larger first break draft multiplying power, the brute force >=6.5cN/dtex of silk, boiling waterShrinkage factor≤4.0%, elongation at break: 15.0% ± 2%; Can meet high-grade polyester filament sewing threadRequirement.
Preparation method provided by the invention, first selects the polyester slice of conventional viscosity to increase by drySticky mode replaces high glutinous section and carries out melt spinning, from cost of material, has significantly saved and has been produced intoThis; Secondly the production method technological process in the present invention is shorter, and energy consumption is low, disconnected in process of productionRate is lower, and the long filament of producing can meet the requirement of middle high strength sewing threads, and producesIn journey, reduce the consumption of the energy, there is energy-conservation effect.
In the various embodiments described above of the present invention, sequence number and/or the sequencing of embodiment are only convenient toDescribe, do not represent the quality of embodiment. Description to each embodiment all emphasizes particularly on different fields, and certain is realExecute the part that there is no detailed description in example, can be referring to the associated description of other embodiment.
Finally it should be noted that: although describe above the present invention and advantage thereof in detail,Be to be understood that and do not exceeding the spirit and scope of the present invention that limited by appended claimIn situation, can carry out various changes, substitute and conversion. One of ordinary skilled in the art is from thisDisclosure of an invention content will readily appreciate that, can use carry out and phase described herein according to the present inventionAnswer the essentially identical function of embodiment or obtain result essentially identical with it, existing and futureThe process, equipment, means, method or the step that are developed. Therefore, appended claimBe intended to comprise such process, equipment, means, method or step in their scope.
Claims (10)
1. surpass and have the special long filament of industry of thin dawn of light optical whitening terylene, it is characterized in that, bagDraw together: super glossy polyester and fluorescent whitening agent Masterbatch, described in wherein said fluorescent whitening agent Masterbatch accounts forThe mass fraction of super glossy polyester is 3-4%, and described fluorescent whitening agent Masterbatch comprises following contentThe PETG of material: 20-80%, the polybutylene terephthalate (PBT) of 20-80%,The fluorescent whitening agent of 0.1-2.0% and the auxiliary additive of 0.4-12%.
2. the super special long filament of industry of thin dawn of light optical whitening terylene that has according to claim 1,It is characterized in that, described auxiliary additive comprises: heat stabilizer 0.1-3%, antioxidant 0.1-3%,Dispersant 0.1-5%, coupling agent 0.1-1%.
3. the super special long filament of industry of thin dawn of light optical whitening terylene that has according to claim 1,It is characterized in that, described fluorescent whitening agent is following one or more: benzazoles: C.I.Fluorescent whitening agent 135, C.I. fluorescent whitening agent 184, C.I. fluorescent whitening agent 393; Pyrene derivativesClass: C.I. fluorescent whitening agent 179.
4. the super special long filament of industry of thin dawn of light optical whitening terylene that has according to claim 2,1010,1330 it is characterized in that, described antioxidant is following one or more:,MARK5118A; Described heat stabilizer is following one or more: organotin mercaptide compound,Ethylenediamine tetra-acetic acid is received, dibutyl tin laurate.
5. the super special long filament of industry of thin dawn of light optical whitening terylene that has according to claim 2,It is characterized in that, described dispersant is following one or more: polyvinylpyrrolidone, three hydroxylsThe first and second alkane, CH series; Described coupling agent is titanate ester.
6. super as described in claim 1-5 has industry of thin dawn of light optical whitening terylene specialFilament preparation process, is characterized in that, comprises step:
S101: super bright PET chips and fluorescent whitening agent Masterbatch are dried, to surpass describedBright PET chips is carried out tackify and viscosity homogenizing;
S102: described super bright PET chips is mixed and passed through screw rod with described fluorescent whitening agent MasterbatchExtruder melt extrudes;
S103: the melt of extruding is filtered by filter, remove the impurity in melt, subsequentlyMix by static mixer;
S104: mixed melt carries out spinning through spinning manifold, carries out also cooling subsequently to long filamentOil by oil tanker, the long filament after oiling passes through seal wire rod to increase spinning tension, then through pre-networkDevice makes finish homogenizing;
S105: the long filament after pre-Network device enters drafting system and carries out drawing-off and thermal finalization, after drawing-offBy master network device, strand is carried out to networking, the tow after networking is rolled up through winding head againAround.
7. the super special long filament of industry of thin dawn of light optical whitening terylene that has according to claim 6Preparation method, is characterized in that, shown in super bright PET chips described in step S101 pass through fluidisationBed pre-crystallizer and main drying tower are combined use and are dried, and described fluorescent whitening agent Masterbatch is by trueIdle running drum is dried.
8. the super special long filament of industry of thin dawn of light optical whitening terylene that has according to claim 7Preparation method, is characterized in that, described super bright PET chips time of staying in described pre-crystallizerFor 17-20min, pre-crystallized temperature is 175-185 DEG C; Described super bright PET chips is at main drying towerThe middle time of staying is 5.5-6.5h, and main baking temperature is 168-170 DEG C.
9. the super special long filament of industry of thin dawn of light optical whitening terylene that has according to claim 6Preparation method, is characterized in that, described step S105 specifically comprises step:
Described drafting system comprises three hot-rollings, and described the first hot-rolling speed is 550-750m/s, temperatureDegree is 105-115 DEG C; Described the second hot-rolling speed is 2300-2400m/s, and temperature is 120-125 DEG C;Described the 3rd hot-rolling speed is 3200-3400m/s, and temperature is 235-245 DEG C.
10. the super special long filament of industry of thin dawn of light optical whitening terylene that has according to claim 6Preparation method, is characterized in that, described winding speed is 3300-3450m/s.
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| CN107189368A (en) * | 2017-06-13 | 2017-09-22 | 浙江金彩新材料有限公司 | A kind of polyester fiber master batch of high heat-resisting weatherability and preparation method thereof |
| CN107513775A (en) * | 2017-09-29 | 2017-12-26 | 太仓市梓怡纺织有限公司 | The preparation method of colored fiber |
| CN109208098A (en) * | 2017-07-06 | 2019-01-15 | 中国石化仪征化纤有限责任公司 | The preparation method of polyester staple fiber is brightened in a kind of fluorescent whitening agent, master batch and titanium system |
| TWI693310B (en) * | 2018-12-20 | 2020-05-11 | 財團法人紡織產業綜合研究所 | Intrinsic masterbatch for fluorescent fiber, fluorescent fiber and preparation method thereof |
| CN111349319A (en) * | 2018-12-20 | 2020-06-30 | 财团法人纺织产业综合研究所 | Intrinsic fluorescent fiber master batch, fluorescent fiber and preparation method thereof |
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