CN108486659A - A kind of preparation method of colored polyester filament - Google Patents
A kind of preparation method of colored polyester filament Download PDFInfo
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- CN108486659A CN108486659A CN201810292648.9A CN201810292648A CN108486659A CN 108486659 A CN108486659 A CN 108486659A CN 201810292648 A CN201810292648 A CN 201810292648A CN 108486659 A CN108486659 A CN 108486659A
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- masterbatch
- carrier
- dacron thread
- coloured
- preparation
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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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/04—Melting filament-forming substances
-
- 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
- D01F1/04—Pigments
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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
- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention relates to a kind of preparation methods of colored polyester filament, including：Masterbatch and true qualities slice are sent into screw extruder after evenly mixing in proportion, spinning melt is prepared by heating melting in screw extruder, and coloured nascent dacron thread is cooled to by spinneret orifice ejection, it is wound into coloured nascent dacron thread volume after carrying out oiling treatment, then it carries out again plus elater operates, colored terylene preoriented yarn is obtained, colored terylene preoriented yarn is processed into color intermediate dacron thread through networking from the twirl that disappears, and is wound into color intermediate dacron thread volume；Color intermediate dacron thread is stretched again, and thermal finalization processing is carried out to the color intermediate dacron thread after stretching again at a temperature of 170 DEG C~210 DEG C, to obtain coloured finished product dacron thread.Meanwhile the invention further relates to the preparation method of Masterbatch and colored polyester filaments.
Description
Technical field
The present invention relates to washing textile processing technical field entirely, more particularly to a kind of preparation method of colored polyester filament.
Technical background
Traditional textile dyeing is usually painted after spinning using the method for piece dyeing.For washing lint class knitted side entirely
Material, using following traditional handicraft：Fabric → (hot light →) pre-setting → dyeing → upper soft → drying → plucking → carding → (hot light
→) cropping → shake grain → thermal finalization → clot.It is knitted fabric for washing non-lint class entirely, using following traditional handicraft：Fabric →
Pre-setting → dyeing → upper soft → drying → thermal finalization → clot.For washing sanding dry goods shuttle-woven fabric entirely, using following tradition
Technique：Fabric → deoil → pre-setting → dyeing → upper soft → drying → sanding → cropping → thermal finalization → clot.
In the technique of traditional full terylene fabric, the fabric after pre-setting is immersed in the aqueous dye solutions under certain temperature,
So that the dyestuff in aqueous dye solutions is moved to fabric, after after a period of time, some dyes in aqueous dye solutions combine
To reach coloring in the fiber of fabric.However, in the technique of the tradition full terylene fabric, the fabric after pre-setting is invaded
Enter in aqueous dye solutions and is dyed, it is close due to arranging between the face liber of fabric, to the contact portion dye between fiber
Color causes difficulty, causes dyeing quality bad, so that the water-fastness and light fastness of fabric is all relatively low.In addition, discarded
Aqueous dye solutions in still remain by the compositions such as a large amount of dyestuff and dyeing auxiliaries and color fixing agent, cause very serious dirt to environment
Dye.
The Chinese patent application of Publication No. CN101037810A discloses a kind of manufacture craft of color polyester floss silk.
In the manufacture craft, three primary colors are selected with computerized color matching, and to carry out compounding mixed for injection master batch machine after drying by selected color
It closes, the Masterbatch after compounding is mixed with spinning material polyester slice, and it is 0.3% that wherein Masterbatch, which accounts for the mass ratio being sliced after coloring,
~8.5%；Polyester slice puts into screw extruder after pre-crystallized drying, meanwhile, the Masterbatch that master batch machine is compounded injects spiral shell
Bar extruder mixes, and melts spray and be spun into the coloured nascent shaped filaments of PET；Drawing-off oils with coiling, to coloured MOY semi-products
Carry out drawing-off setting, single twist is processed into coloured colorful terylene cotton embroidery thread with retwist.
But in production application, the factors such as mass defect, screw extruder temperature of Masterbatch directly influence terylene
The aberration of silk, to influence the quality of dacron thread and its subsequent product.In practice, traditional producer directly uses commercially available color
Master batch product, and commercially available Masterbatch usually there will be following problem：Since commercially available Masterbatch is commonly used in plastic products, direct shadow
The problems such as ringing the performance of spinning fibre product, especially influencing the aberration, color fastness and degree of drawing of dacron thread.
Invention content
In order to overcome aberration present in the dacron thread prepared by the prior art, color fastness, degree of drawing etc.
Insufficient problem, the present invention provide a kind of preparation method of colored polyester filament, include the following steps：Masterbatch and true qualities slice are pressed
After ratio uniform mixing, the mixture that Masterbatch and true qualities are sliced is sent into screw extruder, wherein the Masterbatch is colouring
The mass ratio being sliced afterwards is 2%~3%；The mixture of the Masterbatch and true qualities slice is molten by heating in screw extruder
Melt and be prepared into spinning melt, and coloured nascent dacron thread is cooled to by spinneret orifice ejection；Wherein, described in screw extruder
The mixture of Masterbatch and true qualities slice reaches spinning suiting temperature after feed zone, compression section, metering section and squeezes out again；To coloured first
Raw dacron thread is wound into coloured nascent dacron thread volume after carrying out oiling treatment；Coloured nascent dacron thread is carried out plus elater operates,
Coloured nascent dacron thread is subjected to stretching and deformation process for 2~3 times of ground with stretching ratio, obtains colored terylene preoriented yarn；
Colored terylene preoriented yarn controls automatic winding through computer program and is processed into color intermediate dacron thread with retwist by single twist, and
It is wound into color intermediate dacron thread volume；Color intermediate dacron thread is stretched again, and in 170 DEG C~210 DEG C temperature
Under to after stretching again color intermediate dacron thread carry out thermal finalization processing, to obtain coloured finished product dacron thread.
Preferably, the Masterbatch has following parameter index：Granularity is Φ (2.4~3.5) mm × (3~3.4) mm, water
Part≤0.6% (wt.), fusing point are 220 DEG C~260 DEG C, heat resistance >=280 DEG C, filterability≤1.5barcm2/g。
Preferably, the Masterbatch is obtained by following steps：Weigh the component of toner, carrier, dispersant；Wherein, institute
Toner addition accounts for masterbatch quality 15%~60% is stated, the carrier addition accounts for the 30%~70% of masterbatch quality；Dispersion
Agent includes that addition accounts for the main dispersant of masterbatch quality 10%~20% and addition accounts for the auxiliary dispersion of masterbatch quality 0% to 10%
Agent；The toner weighed up, main dispersant are mixed, and water are added and is ground mixing, thin mill base is obtained；By thin mill base and carrier,
After phase inversion slot is added in water, auxiliary dispersant, adds organic solvent and mixed；By the mixing of the gained in the phase inversion slot
Water evaporation in object obtains pigment concentrate；Pigment concentrate is washed and dried, wherein pigment concentrate is placed on 90~160 DEG C
3~5h of lower drying；Organic solvent in pigment concentrate after drying is recycled, pigment preparations carrier is obtained；It is melted according to carrier
Temperature is melted and is squeezed out, and the material strip of Masterbatch is obtained；Pelletizing is carried out to material strip and obtains Masterbatch.
Preferably, one kind or combination thereof in the carrier is 10~30 LDPE and LLDPE.
Preferably, the carrier is prepared by the following method：PET (polyethylene terephthalate) is sliced and is thickened
Agent is fused, and is then carried out pre-crystallized and is dried to pre-crystallized, to obtain the carrier；Wherein, pre-crystallized heating agent temperature
Degree is 160~180 DEG C；In the drying process, using the compressed air of dew point -10~-20 DEG C, dehumidifier exports the dew of dry air
For point at -60~80 DEG C, dry amount is 600~1000kg/h, and drying air temperature is 160~180 DEG C.
Preferably, the carrier moisture is 40 × 10‐6Below.
Preferably, the temperature of the feed zone is 250~270 DEG C, the temperature of the compression section and metering section is 260~
300℃。
Preferably, in screw extruder, the temperature of feed zone is 265 DEG C, the temperature of compression section and metering section is 275
℃。
Preferably, the mass ratio that the Masterbatch is sliced after coloring is 2.5%~3%.
Another aspect of the present invention provides a kind of preparation method of Masterbatch, including：Toner, main dispersant are mixed, and
Water is added and is ground mixing, obtains thin mill base；Wherein, the toner addition accounts for the 15%~60% of masterbatch quality, master point
Powder addition accounts for the 10%~20% of masterbatch quality；After phase inversion slot is added in thin mill base and carrier, water, auxiliary dispersant,
Organic solvent is added to be mixed；Wherein, the carrier addition accounts for the 30%~70% of masterbatch quality, and auxiliary dispersant is added
Amount accounts for the 0%~10% of masterbatch quality；By the water evaporation in the mixture of gained in the phase inversion slot, pigment concentrate is obtained；
Pigment concentrate is washed and dried, wherein pigment concentrate is placed at 90~160 DEG C dry 3~5h；By the heavy colour after drying
Organic solvent recycles in material, obtains pigment preparations carrier；It is melted and is squeezed out according to carrier melting temperature, obtain color masterbatch
The material strip of grain；Pelletizing is carried out to material strip and obtains Masterbatch.Preferably, pigment concentrate is placed at 120 DEG C dry 3.5h
Preferably, one kind or combination thereof in the carrier is 10~30 LDPE and LLDPE.
Preferably, the carrier is prepared by the following method：PET is sliced and is fused with thickener, is then carried out pre-
It crystallizes and is dried to pre-crystallized, to obtain the carrier；Wherein, pre-crystallized heat medium temperature is 160~180 DEG C；In drying
In the process, using the compressed air of dew point -10~-20 DEG C, dehumidifier exports the dew point of dry air at -60~80 DEG C, dry amount
For 600~1000kg/h, drying air temperature is 160~180 DEG C.
Preferably, the carrier moisture is 40 × 10‐6Below.
The present invention also provides a kind of colored polyester filaments, wherein in the colored polyester filament, Masterbatch mass ratio is
2%~3%.
Preferably, the mass ratio that the Masterbatch is sliced after coloring is 2.5%~3%.
Preferably, the colored polyester filament is prepared according to the method for claim 1~7.
Preferably, the Masterbatch is prepared according to the method for claim 8~11.
The technology of preparing of colored polyester filament provided by the invention is by accurately calculating Masterbatch and true qualities slice, uniformly
Be blended in by melt filteration at a predetermined temperature, then reel off raw silk from cocoons, so stock-dye is uniform, aberration is small, no matter batch size,
The uniformity of color can remain unchanged, and will not occur unacceptable dyed yarn between batches, in Masterbatch colorant with
Polyester forms homogenous solid solution the same outside and inside, and the items fastness such as fast light, washable, rub resistance is far above made based on the prior art
The coloring of standby colored polyester filament.Meanwhile special Masterbatch is used in the present invention so that the colored polyester filament of preparation
Aberration it is smaller, the items fastness index such as fast light, washable, rub resistance is stronger, and degree of drawing is bigger, is suitable for preparing thinner
Filament.Moreover, the technology of preparing of colored polyester filament provided by the invention can also reduce dyeing, eliminates and help color
Agent is incorporated into each pigment molecular in target product, has been inherently eliminated the discharge of dyestuff, has reduced raw material
Consumption, avoids environmental pollution, reduces dyeing cost, save huge pollution treatment expense, can also make not being suitable for high temperature
The fiber of high pressure dyeing condition is possibly realized with blend polyester intertexture.
Description of the drawings
Fig. 1 is the preparation flow schematic block diagram of the colored polyester filament of the present invention.
Fig. 2 is the preparation flow schematic block diagram of the Masterbatch of the present invention.
Fig. 3 is that the colorant of the Masterbatch of the present invention compounds schematic process flow diagram.
Specific implementation mode
Technical scheme of the present invention is described in detail below in conjunction with specific embodiment.Following embodiment is only used for
Facilitate skilled person that technical scheme of the present invention is more clearly understood, be only used as example, and cannot be limited with this
Protection scope of the present invention.
In the present embodiment, the preparation method of colored polyester filament of the present invention, includes the following steps：
S1, the Masterbatch for being suitable for textile technology is prepared.Wherein, the preparation process of above-mentioned Masterbatch is as follows：
S11, the component that toner, carrier, dispersant etc. are weighed by technological requirement.Wherein, above-mentioned toner addition accounts for about mother
Expect the 15%~60% of quality.Organic pigment or inorganic pigment may be selected in toner.Common organic pigment has：Phthalocyanine is red, phthalocyanine
Indigo plant, phthalocyanine green, everbright fast red, macromolecular are red, macromolecular is yellow, permanent yellow, permanent violet, azophloxine etc.；Common inorganic pigment has：
Cadmium red, cadmium yellow, titanium dioxide, carbon black, iron oxide red, iron oxide yellow etc..Above-mentioned carrier addition is about the 30% of masterbatch quality to arrive
70%.Above-mentioned carrier is the matrix of Masterbatch, it is preferable that selects to be sliced identical resin as carrier with true qualities, so can
Keep the compatibility of the two best.Preferably, 10~30 LDPE (low density polyethylene (LDPE)) and LLDPE (lines may be selected in above-mentioned carrier
Property low density polyethylene (LDPE)) etc. in one kind or combination thereof.Dispersant addition is about 10% to the 20% of masterbatch quality, with
Promote pigment is evenly dispersed not re-unite.Preferably, dispersant may include main dispersant and auxiliary dispersant, wherein main dispersant
Addition is about 10% to the 20% of masterbatch, and auxiliary dispersant addition is about 0% to the 10% of masterbatch quality；It is highly preferred that main
Dispersant addition is about the 15% of masterbatch quality, and auxiliary dispersant addition is about the 5% of masterbatch quality；Main dispersant and/or
The fusing point of auxiliary dispersant should be lower than the fusing point of carrier.It is highly preferred that main dispersant and/or auxiliary dispersant can have well with carrier
Compatibility, and have preferable affinity with pigment.Main dispersant may be selected：Polyethylene wax, polypropylene wax, stearate etc.
In one kind or combination thereof；Auxiliary dispersant may be selected：No. 10 white oils, triphenyl phosphate, DOP (dioctyl phthalate)
One kind in or combination thereof.
S12, by the toner weighed up, dispersant, and suitable water is added and is ground mixing, obtain thin mill base.
S13, it after phase inversion slot is added in thin mill base and carrier, water, auxiliary dispersant, adds organic solvent and is mixed
It closes.
S14, to the mixture in step S103 by water evaporation therein, obtain pigment concentrate.
S15, pigment concentrate is washed and is dried.Ensure that finished product color yarn quality, the drying to pigment concentrate are very
Important.In the present embodiment, it is preferable that by pigment concentrate after washing be placed on baking oven dry 3 at 90~160 DEG C~
5h.It carries out in pigment concentrate drying process and often stirs.
S16, organic solvent in the pigment concentrate after drying is recycled, obtains pigment preparations carrier.
S17, it is melted and is squeezed out according to the carrier melting temperature of Masterbatch, obtain the material strip of Masterbatch.
S18, pelletizing acquisition Masterbatch is carried out to material strip.
Obtaining Masterbatch by above-mentioned technique has following parameter index：Granularity is Φ (2.4~3.5) mm × (3~3.4)
Mm, moisture content≤0.6% (wt.), fusing point are 220 DEG C~260 DEG C (variant for different model Masterbatch), heat resistance >=280
DEG C, filterability (DF value)≤1.5barcm2/g。
In the present embodiment, the color matching principle based on red, yellow, blue three primary colours can obtain the color of various required colour systems
Master batch.
S2, Masterbatch and true qualities are sliced in proportion after evenly mixing, the mixture that Masterbatch and true qualities are sliced is sent into
Screw extruder.Preferably, the mass ratio that Masterbatch is sliced after coloring is 2%~5%.It is highly preferred that Masterbatch
The mass ratio being sliced after color is 2%~3%
The mixture that S3, above-mentioned Masterbatch are sliced with true qualities is prepared into spinning by heating melting in screw extruder and melts
Body is cooled to coloured nascent dacron thread by spinneret orifice ejection under pressure.Preferably, above-mentioned in screw extruder
Mixture reaches after feed zone (conveying and preheating), compression section (compacting and exhaust, melting), metering section (mixing, plasticizing)
Spinning suiting temperature is squeezed out with certain pressure；Spinning speed is 1200~3000m/min.It is highly preferred that in order to avoid Masterbatch carries
The temperature of preceding fusing, feed zone is 250~270 DEG C；Compression section and metering section are 260~300 DEG C.
S4, it is wound into coloured nascent dacron thread volume after carrying out oiling treatment to coloured nascent dacron thread.
S5, coloured nascent dacron thread is carried out to add elater operation, coloured nascent dacron thread is subjected to stretching and deformation process,
Obtain the relatively stable stretcher strain of physical property treated colored terylene preoriented yarn.Preferably, make in above-mentioned plus spring operation
In, the stretching ratio to above-mentioned coloured nascent dacron thread is 2~3 times；It is 500~1000m/min to add elater speed.
S6, colored terylene preoriented yarn through computer program control automatic winding by it is single twist with retwist be processed into coloured half at
Product dacron thread, and it is wound into color intermediate dacron thread volume.
S7, color intermediate dacron thread is stretched again, and at a predetermined temperature to coloured half after stretching again
Finished product dacron thread carries out thermal finalization processing, to obtain coloured finished product dacron thread.Preferably, between 170 DEG C~210 DEG C, to again
Color intermediate dacron thread after secondary stretching carries out thermal finalization processing.Thermal finalization is carried out at temperature as defined in above-mentioned, is enabled to
Coloured finished product dacron thread is in lower energy level, to be replied completely after the external force for bringing it about deformation removes so that have
The performance of color finished product dacron thread is more stable.
Fibre staining depends on colorant therein in the spinning of colored polyester filament, in order to obtain the coloring effect of high-quality
Fruit, in the present embodiment, inventor compound colorant based on colour-mixed subtractive theorem, to obtain above-mentioned steps
Toner in S11.In color coordinate, red, yellow, blue is 3 kinds of Essential colour (three primary colors or three primary colours), 2 kinds of colors in three primary colors
After mixing, orange, green, purple 3 kinds of secondary colours (also known as secondary color) can be obtained.Three primary colors and its with secondary colours just composition one closing
Color ring.After three primary colors and the secondary mixture of colours, tertiary colo(u)r(s) (also known as secondary color) is obtained, assorted mixed proportion is adjusted, it can be much
Therefore the secondary color of kind color can regard a variety of colors as by the mixing of 3 kinds of primary colours (three primary colors) or in which 2 kinds of primary colours, according to this original
Reason is compared by the colorant of 2 kinds or 3 kinds three primary colors bases by certain using the colorant of red, yellow, blue 3 kinds of colors as 3 kinds of primary colours
Example mixing, can be obtained a kind of specific toner, blend spinning is sliced with itself and white polyester, can spin needed for color have
Color dacron thread.Specific steps include：
S111, the color demand according to colored polyester filament carry out essence to the three primary colors composition ratio of colored polyester filament color
It really measures, the proportion design of colorant is then carried out according to measurement result, obtains required compound scheme.In present embodiment
In, it can be swept with color management system according to the colorful yarn sample that client provides by the Computer Aided Color-Measuring ＆ Matching System of design
Colour examining is retouched, three primary colors colorant formulations are provided, the color parameter of coloured silk thread is measured after sample spinning, judges color whether just
Really.Be measured the sample color parameter that color software can be provided according to the color parameter of sample with client, both judge color whether phase
Symbol, if meeting the requirements, then configures the toner in above-mentioned steps S11；If undesirable, then color management system can be to original
Formula be modified, provide new formula, continue sample spinning this process and repeat to meet the requirements until sample, then configure above-mentioned
Toner in step S11.
S112, required three primary colors colorant is weighed by compound scheme and is sufficiently mixed uniformly, can be obtained above-mentioned steps S11
In toner.
In spinning technique, since Masterbatch dosage is seldom, only by means of being sliced pre-crystallized drying process and spiral shell when spinning
Bar extruder extrusion is difficult to be allowed to be uniformly mixed with polyester slice, to cause serious finished silk aberration problem.Therefore,
The present invention dilutes prilling process again in the light silk of spinning by Masterbatch, according to the demand to color by Masterbatch and centainly
Weight polyester is sliced (true qualities slice) mixing, is processed into compounding dilution color tablets (referred to as compounding Masterbatch).It will compounding Masterbatch drying
Afterwards having for required color is finally obtained with specific process injection screw extruder and the uniform blend spinning of a large amount of polyester slices again
Color dacron thread.In prilling process again, compounding Masterbatch is dried into 3~5h in baking oven at 90~160 DEG C, and often stir,
Then mixed with carrier by dilution ratio, with extruder melt extruded at item, water-bath cooling, pelleter pelletizing, compounding color
Mesh grain.
In the present embodiment, in order to ensure finished product color yarn quality, the vehicle treated before spinning is very important, especially
It is related to pre-crystallized and dry.To in the vehicle treated before spinning, PET being sliced and is fused with thickener, is then carried out pre-crystallized
It is dried with to pre-crystallized, to obtain the carrier in above-mentioned steps S11.Wherein, pre-crystallized heat medium temperature is 160~180 DEG C；
In the drying process, using the compressed air of dew point -10~-20 DEG C, dehumidifier exports the dew point of dry air at -60~80 DEG C,
Dry amount is 600~1000kg/h, and drying air temperature is 160~180 DEG C, and carrier moisture is 40 × 10 after drying‐6Below.
In the present embodiment, such as fire-retardant, blast can be added as needed, antibacterial, antistatic, anti-oxidant kind add
Add agent.
In the above-described embodiment, it is preferable that above-mentioned true qualities slice is PET (polyethylene terephthalate).
(embodiment 1)
By the toner for accounting for masterbatch quality 15%, the carrier that accounts for masterbatch quality 70%, the main dispersant for accounting for masterbatch quality 10%
It is weighed up with the 5% auxiliary dispersant for accounting for masterbatch quality, suitable water is added and is ground mixing, obtains thin mill base.Then by thin color
After phase inversion slot is added with carrier, water, auxiliary dispersant in slurry, add after suitable organic solvent mixed, it will be therein
Water evaporation obtains pigment concentrate, and baking oven dry 5h at 90 DEG C will be placed on after pigment concentrate is washed.By the heavy colour object after drying
Organic solvent recycles in material, obtains pigment preparations carrier.It is melted and is squeezed out according to the carrier melting temperature of Masterbatch, obtained
Obtain the material strip of Masterbatch.Pelletizing is carried out to material strip and obtains Masterbatch.
Masterbatch and the true qualities slice of chipping qualities 2.5% after coloring will be accounted in proportion after evenly mixing, by Masterbatch and
The mixture of true qualities slice is sent into heating melting in screw extruder and is prepared into spinning melt, under pressure by spinneret orifice
Ejection is cooled to coloured nascent dacron thread.In screw extruder, the temperature of feed zone is 250 DEG C, compression section and metering section
Temperature is 300 DEG C.Spinning speed is 1200m/min.
It is wound into coloured nascent dacron thread volume after carrying out oiling treatment to coloured nascent dacron thread, and to coloured nascent terylene
Silk carries out plus elater operation, and coloured nascent dacron thread is carried out stretching and the deformation process that stretching ratio is 3 times, is obtained physical
The relatively stable stretcher strain of matter treated colored terylene preoriented yarn.Wherein, it is 500m/min to add elater speed.
Colored terylene preoriented yarn controls automatic winding through computer program and is processed into color intermediate with retwist by single twist
Dacron thread, and it is wound into color intermediate dacron thread volume.
Color intermediate dacron thread is stretched again, and at a temperature of 170 DEG C to coloured half after stretching again at
Product dacron thread carries out thermal finalization processing, to obtain coloured finished product dacron thread.
(embodiment 2)
By the toner for accounting for masterbatch quality 60%, the carrier that accounts for masterbatch quality 30%, the main dispersant for accounting for masterbatch quality 10%
It weighs up, suitable water is added and is ground mixing, obtains thin mill base.Then thin mill base and carrier, water, auxiliary dispersant are added
After entering phase inversion slot, adds after suitable organic solvent mixed, by water evaporation therein, obtain pigment concentrate, it will be through dense
Baking oven dry 3h at 160 DEG C is placed on after the washing of color material.Organic solvent in pigment concentrate after drying is recycled, obtains pre- point
Dispersed pigment carrier.It is melted and is squeezed out according to the carrier melting temperature of Masterbatch, obtain the material strip of Masterbatch.Material strip is carried out
Pelletizing obtains Masterbatch.
Masterbatch and the true qualities slice of chipping qualities 3% after coloring will be accounted in proportion after evenly mixing, by Masterbatch and this
The mixture of color slice is sent into heating melting in screw extruder and is prepared into spinning melt, is sprayed under pressure by spinneret orifice
Go out to be cooled to coloured nascent dacron thread.In screw extruder, the temperature of feed zone is 270 DEG C, the temperature of compression section and metering section
Degree is 260 DEG C.Spinning speed is 3000m/min.
It is wound into coloured nascent dacron thread volume after carrying out oiling treatment to coloured nascent dacron thread, and to coloured nascent terylene
Silk carries out plus elater operation, and coloured nascent dacron thread is carried out stretching and the deformation process that stretching ratio is 2 times, is obtained physical
The relatively stable stretcher strain of matter treated colored terylene preoriented yarn.Wherein, it is 1000m/min to add elater speed.
Colored terylene preoriented yarn controls automatic winding through computer program and is processed into color intermediate with retwist by single twist
Dacron thread, and it is wound into color intermediate dacron thread volume.
Color intermediate dacron thread is stretched again, and at a temperature of 210 DEG C to coloured half after stretching again at
Product dacron thread carries out thermal finalization processing, to obtain coloured finished product dacron thread.
(embodiment 3)
By the toner for accounting for masterbatch quality 30%, the carrier that accounts for masterbatch quality 40%, the main dispersant for accounting for masterbatch quality 20%
It is weighed up with the 10% auxiliary dispersant for accounting for masterbatch quality, suitable water is added and is ground mixing, obtains thin mill base.Then by thin color
After phase inversion slot is added with carrier, water, auxiliary dispersant in slurry, add after suitable organic solvent mixed, it will be therein
Water evaporation obtains pigment concentrate, and baking oven dry 3.5h at 120 DEG C will be placed on after pigment concentrate is washed.It will be dense after drying
Organic solvent recycles in color material, obtains pigment preparations carrier.It is melted and is squeezed according to the carrier melting temperature of Masterbatch
Go out, obtains the material strip of Masterbatch.Pelletizing is carried out to material strip and obtains Masterbatch.
Masterbatch and the true qualities slice of chipping qualities 3% after coloring will be accounted in proportion after evenly mixing, by Masterbatch and this
The mixture of color slice is sent into heating melting in screw extruder and is prepared into spinning melt, is sprayed under pressure by spinneret orifice
Go out to be cooled to coloured nascent dacron thread.In screw extruder, the temperature of feed zone is 265 DEG C, the temperature of compression section and metering section
Degree is 275 DEG C.Spinning speed is 2000m/min.
It is wound into coloured nascent dacron thread volume after carrying out oiling treatment to coloured nascent dacron thread, and to coloured nascent terylene
Silk carries out plus elater operation, and coloured nascent dacron thread is carried out stretching and the deformation process that stretching ratio is 2 times, is obtained physical
The relatively stable stretcher strain of matter treated colored terylene preoriented yarn.Wherein, it is 800m/min to add elater speed.
Colored terylene preoriented yarn controls automatic winding through computer program and is processed into color intermediate with retwist by single twist
Dacron thread, and it is wound into color intermediate dacron thread volume.
Color intermediate dacron thread is stretched again, and at a temperature of 190 DEG C to coloured half after stretching again at
Product dacron thread carries out thermal finalization processing, to obtain coloured finished product dacron thread.
The coloured finished product dacron thread obtained by preparation method recorded in above-described embodiment is detected, these
The main quality index of coloured finished product dacron thread reaches：Hot water wash color fastness >=5 grade are carried out in up to 92 DEG C of temperature, it is small 400
When light reach 7~8 grades, staining fastness >=5 grade are dried at a temperature of 177 DEG C, in 40 DEG C of temperature, 20 washing colors jails
>=5 grades of degree, aberration rate △ E ＜ 0.5.
Claims (16)
1. a kind of preparation method of colored polyester filament, including：
Masterbatch and true qualities are sliced in proportion after evenly mixing, the mixture that Masterbatch and true qualities are sliced is sent into screw extruding
Machine, wherein the mass ratio that the Masterbatch is sliced after coloring is 2%~5%；
The mixture of the Masterbatch and true qualities slice is prepared into spinning melt in screw extruder by heating melting, and by spraying
Wire hole ejection is cooled to coloured nascent dacron thread；Wherein, in screw extruder, the mixture of the Masterbatch and true qualities slice
Reach spinning suiting temperature after feed zone, compression section, metering section to squeeze out again；
It is wound into coloured nascent dacron thread volume after carrying out oiling treatment to coloured nascent dacron thread；
Coloured nascent dacron thread is carried out plus elater operates, coloured nascent dacron thread is drawn with stretching ratio for 2~3 times of ground
It stretches and deformation process, obtains colored terylene preoriented yarn；
Colored terylene preoriented yarn controls automatic winding through computer program and is processed into color intermediate terylene with retwist by single twist
Silk, and it is wound into color intermediate dacron thread volume；
Color intermediate dacron thread is stretched again, and to coloured half after stretching again at a temperature of 170 DEG C~210 DEG C
Finished product dacron thread carries out thermal finalization processing, to obtain coloured finished product dacron thread.
2. preparation method according to claim 1, which is characterized in that the Masterbatch has following parameter index：
Granularity is Φ (2.4~3.5) mm × (3~3.4) mm, and moisture content≤0.6% (wt.), fusing point is 220 DEG C~260 DEG C, heat-resisting
Property >=280 DEG C, filterability≤1.5barcm2/g。
3. preparation method according to claim 1, which is characterized in that the Masterbatch is obtained by following steps：
Toner, main dispersant are mixed, and water are added and is ground mixing, thin mill base is obtained；Wherein, the toner addition accounts for
The 15%~60% of masterbatch quality, main dispersant addition account for the 10%~20% of masterbatch quality；
After phase inversion slot is added in thin mill base and carrier, water, auxiliary dispersant, adds organic solvent and mixed；Wherein, institute
Carrier addition accounts for masterbatch quality 30%~70% is stated, auxiliary dispersant addition accounts for the 0%~10% of masterbatch quality；
By the water evaporation in the mixture of gained in the phase inversion slot, pigment concentrate is obtained；
Pigment concentrate is washed and dried, wherein pigment concentrate is placed at 90~160 DEG C dry 3~5h；
Organic solvent in pigment concentrate after drying is recycled, pigment preparations carrier is obtained；
It is melted and is squeezed out according to carrier melting temperature, obtain the material strip of Masterbatch；
Pelletizing is carried out to material strip and obtains Masterbatch.
4. preparation method according to claim 3, which is characterized in that in LDPE and LLDPE that the carrier is 10~30
One kind or combination thereof.
5. preparation method according to claim 3, which is characterized in that the carrier is prepared by the following method：PET is cut
Piece is fused with thickener, is then carried out pre-crystallized and is dried to pre-crystallized, to obtain the carrier；Wherein, pre- knot
Brilliant heat medium temperature is 160~180 DEG C；In the drying process, using the compressed air of dew point -10~-20 DEG C, dehumidifier goes out dry
For the dew point of air at -60~80 DEG C, dry amount is 600~1000kg/h, and drying air temperature is 160~180 DEG C.
6. preparation method according to claim 3, which is characterized in that the carrier moisture is 40 × 10‐6Below.
7. according to the preparation method described in claim 1~6 any one, which is characterized in that the temperature of the feed zone is 250
~270 DEG C, the temperature of the compression section and metering section is 260~300 DEG C.
8. according to the preparation method described in claim 1~6 any one, which is characterized in that the Masterbatch is cut after coloring
The mass ratio of piece is 2.5%~3%.
9. a kind of preparation method of Masterbatch, including：
Weigh the component of toner, carrier, dispersant；Wherein, the toner addition accounts for the 15%~60% of masterbatch quality, described
Carrier addition accounts for the 30%~70% of masterbatch quality；Dispersant includes the main dispersion that addition accounts for masterbatch quality 10%~20%
Agent and addition account for the auxiliary dispersant of masterbatch quality 0% to 10%；
The toner weighed up, main dispersant are mixed, and water are added and is ground mixing, thin mill base is obtained；
After phase inversion slot is added in thin mill base and carrier, water, auxiliary dispersant, adds organic solvent and mixed；
By the water evaporation in the mixture of gained in the phase inversion slot, pigment concentrate is obtained；
Pigment concentrate is washed and dried, wherein pigment concentrate is placed at 90~160 DEG C dry 3~5h；
Organic solvent in pigment concentrate after drying is recycled, pigment preparations carrier is obtained；
It is melted and is squeezed out according to carrier melting temperature, obtain the material strip of Masterbatch；
Pelletizing is carried out to material strip and obtains Masterbatch.
10. preparation method according to claim 9, which is characterized in that in LDPE and LLDPE that the carrier is 10~30
One kind or combination thereof.
11. preparation method according to claim 9, which is characterized in that the carrier is prepared by the following method：By PET
Slice is fused with thickener, is then carried out pre-crystallized and is dried to pre-crystallized, to obtain the carrier；Wherein, in advance
It is 160~180 DEG C to crystallize heat medium temperature；In the drying process, using the compressed air of dew point -10~-20 DEG C, dehumidifier outlet
For the dew point of dry air at -60~80 DEG C, dry amount is 600~1000kg/h, and drying air temperature is 160~180 DEG C.
12. according to the preparation method described in claim 9~11 any one, which is characterized in that the carrier moisture 40 ×
10‐6Below.
13. a kind of colored polyester filament, which is characterized in that in the colored polyester filament, Masterbatch mass ratio is 2%~5%.
14. colored polyester filament according to claim 13, which is characterized in that in the colored polyester filament, the color masterbatch
Grain mass ratio is 2.5%~3%.
15. colored polyester filament according to claim 13, which is characterized in that the colored polyester filament is according to claim 1
It is prepared by~8 method.
16. colored polyester filament according to claim 13, which is characterized in that the Masterbatch is according to claim 9~12
Method prepare.
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| CN201810292648.9A CN108486659B (en) | 2018-04-02 | 2018-04-02 | Preparation method of colored polyester yarn |
| CN202010698031.4A CN111945234A (en) | 2018-04-02 | 2018-04-02 | Preparation method of colored polyester yarn |
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| CN110079060A (en) * | 2019-03-29 | 2019-08-02 | 桐乡珠力高分子材料科技有限公司 | Improve level-dyeing property Masterbatch and preparation method thereof |
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| CN113981583A (en) * | 2021-12-06 | 2022-01-28 | 江苏欣战江纤维科技股份有限公司 | Production method of long-acting antibacterial deodorizing colored polyester filament yarn |
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| CN108486659B (en) | 2020-09-22 |
| CN111945234A (en) | 2020-11-17 |
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