CN107988635A - A kind of full-dull washs composite filament and preparation method thereof - Google Patents

A kind of full-dull washs composite filament and preparation method thereof Download PDF

Info

Publication number
CN107988635A
CN107988635A CN201711340287.2A CN201711340287A CN107988635A CN 107988635 A CN107988635 A CN 107988635A CN 201711340287 A CN201711340287 A CN 201711340287A CN 107988635 A CN107988635 A CN 107988635A
Authority
CN
China
Prior art keywords
spinneret orifice
spinneret
finish
full
dull
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711340287.2A
Other languages
Chinese (zh)
Other versions
CN107988635B (en
Inventor
尹立新
张烨
陈瑞
王力军
张群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengli Chemical Fiber Co Ltd
Original Assignee
Jiangsu Hengli Chemical Fiber Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hengli Chemical Fiber Co Ltd filed Critical Jiangsu Hengli Chemical Fiber Co Ltd
Priority to CN201711340287.2A priority Critical patent/CN107988635B/en
Publication of CN107988635A publication Critical patent/CN107988635A/en
Application granted granted Critical
Publication of CN107988635B publication Critical patent/CN107988635B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/02—Spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
    • D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • 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
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/11—Compounds containing epoxy groups or precursors thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
    • D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
    • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
    • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
    • D06M13/295—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof containing polyglycol moieties; containing neopentyl moieties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters

Abstract

The present invention relates to a kind of full-dull to wash composite filament and preparation method thereof, and preparation method is：By delustring PET melt and there is light PET melt to extrude, cool down, oil and wind through metering, composite spinneret greatly and be made POY, POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, i.e. full-dull washs composite filament, contain crown ether in the finish to oil, and the content of crown ether is 67.30~85.58wt%；A branch of full-dull of same spinneret extrusion is washed at the same time to contain in composite filament and is dispersed with the delustring PET monofilament of matt agent and has light PET monofilament greatly, matt agent is unformed titanium dioxide and the mixture of unformed silica, or the mixture for calcium carbonate and unformed silica, composite filament glossiness<20%.Preparation method of the present invention is simple, and the smooth spinning of fiber is realized in preparation process, and the fabric performance by its processing is excellent, great application value.

Description

A kind of full-dull washs composite filament and preparation method thereof
Technical field
The invention belongs to fiber preparation field, is related to a kind of full-dull and washs composite filament and preparation method thereof.
Background technology
As the development of modern textile technology and people's living standard are continuously improved, people are to taking, decorating and industrial The yield of chemical fibre, performance and quality are put forward higher requirements used by textile, and therefore, in recent years, researcher causes Power is in the research and development of the new varieties of chemical fibre, to meet the market demand of the people to the fiber with high added value.
Consumption market occurs to high sensibility, multifunction textile demand at present, must in order to cater to these demands Traditional fiber manufacture must be changed, develop high functional fibre, high sensibility fiber, intelligent fiber and biodegradable fiber Deng to improve the quality of life of the scientific and technological content of textile and people.The exploitation of foreign components composite filament is then to realize fiber height Sensibility, multifunction a important means.Domestic and international foreign components composite filament production technology is in staple fiber and long stapled life Develop comparatively fast in production, be mainly used in the heat bonding non-woven cloth used in production health field, its product has well fluffy Property, crimpiness and flexibility.
Foreign components composite filament is the chemical fibre that several different polymer melts are formed through spinneret extrusion spinning, will be several The melt of kind polymer extrudes the composite filament for spinning and forming jointly through the spinneret with plate abnormity can integrate the excellent of several fibers Point, so that the composite filament of high comprehensive performance be made.However, the production of foreign components composite filament is but there are bigger difficulty, due to The polymer melt of spinning is non-newtonian fluid, is viscoelastic fluid, while it makees stickiness flowing in spinneret orifice, will be occurred Elastic deformation, forms certain pressure, and therefore, polymer melt can produce certain pressure drop after going out spinneret orifice, spinneret orifice Shape, size, length and mutual relation pair its pressure drop can all have a huge impact, and existing research is general only It is identical or cross-sectional area is equal in view of the shape of spinneret orifice, and shape, size and the mutual influence of length do not have It is related to, so will result in polymer melt and differ from pressure drop during spinneret orifice of different shapes outflow of same spinneret Cause so that there is difference in the extruded velocity between the different fiber of component, therefore obtained composite filament can all occur fiber number it is irregular, Intensity not uniform uneven dyeing phenomena such as, influence fibre spinning processing be smoothed out.
Polyethylene terephthalate (PET) is a kind of polymer of function admirable, and PET is high, strong with modulus because of it The advantages that degree is high, conformality is good and barrier property is good, is widely used in the fields such as fiber, bottle packaging, film and sheet material, yield Cumulative year after year, position in industry are obviously improved.The gloss of delustring PET fiber is soft, manufactured fabric it is outstanding with a good drape effect, generally pass through Add TiO2Be prepared Deng delustering agent, there is that light PET fiber is transparent shinny greatly, manufactured fabric is beautiful, it is graceful, there is mystery Color.But individually delustring PET fiber or the big performance for having light PET fiber cannot still meet consumer demand, how gram The difficult compound preparation realized delustring PET fiber and have light PET fiber greatly existing for the production and processing of foreign components composite filament is taken to take into account Delustring PET fiber and there is the full-dull of light PET fiber advantage to wash composite filament greatly to become current urgent problem to be solved.
The content of the invention
The purpose of the present invention is overcoming the delustring PET fiber of prior art preparation or having deficiency existing for light PET fiber greatly, A kind of full-dull taken into account delustring PET fiber and have light PET fiber advantage greatly is provided and washs composite filament and preparation method thereof.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of full-dull washs composite filament, and a branch of full-dull of same spinneret extrusion, which is washed at the same time to contain in composite filament, to disappear Light PET monofilament and there is light PET monofilament greatly；
Delustring PET monofilament and it is big have matt agent is dispersed with light PET monofilament, matt agent is unformed titanium dioxide and nothing The mixture of the silica of sizing, or be calcium carbonate and the mixture of unformed silica；Matt agent is unformed Titanium dioxide and unformed silica mixture, or the mixture for calcium carbonate and unformed silica, The present invention in the polyester add matt agent be because：Pure PET fiber, is usually translucent body since the glossiness on surface is very high, The power of its gloss not only depends on surface reflection, but also related with transmitted light, at the same the gloss of fiber also by fiber surface state, The influence of the factor such as fiber cross-sectional shapes and fibrous inner structure, such as the fiber that macromolecular orientation degree is good, internal structure compared with Uniformly, the reflective light intensity of fiber, gloss become clear, therefore, can be by adding inorganic particulate delustring or transversal by adjusting fiber Face shape and surface texture etc. regulate and control the gloss of fiber.In order to make the gloss of PET fiber close to the gloss of cotton fiber, Delustering agent can be added in the course of the polymerization process, and common PET delustrant is the Detitanium-ore-type of titanium dioxide, in order to reduce titanium dioxide Influence of the titanium anatase crystal to polyester gloss, using unformed titanium dioxide and the mixture of unformed silica Or the mixture of calcium carbonate and unformed silica is inorganic matt particle, inorganic particulate is dispersed in PET, is broken The crystallization of bad PET and orientation, hence in so that fiber surface is in matt state；
Full-dull washs the glossiness of composite filament<20%.
As preferable technical solution：
A kind of full-dull as described above washs composite filament, and the fiber number of the delustring PET monofilament is 0.50~0.70dtex, The big fiber number for having light PET monofilament is 0.30~0.40dtex.
A kind of full-dull as described above washs composite filament, the full-dull wash the fiber number of composite filament for 75~ 150dtex, fracture strength >=2.0cN/dtex, elongation at break are 22.0 ± 2.0%, crimp contraction≤9.0%, line density Deviation ratio≤2.0%, fracture strength CV value≤7.0%, extension at break CV value≤8.0%, crimp contraction coefficient of variation CV values ≤ 8.5%, boiling water shrinkage is 3.5 ± 0.5%, full-rolling rate >=98%.
A kind of full-dull as described above washs composite filament, and the matt agent has light PET monofilament in delustring PET monofilament or greatly In content be 1.5~2.0wt%, the content of unformed silica is 15~30wt% in the matt agent.
The present invention also provides the method for preparing a kind of full-dull as described above and washing composite filament, by delustring PET melt and There is light PET melt to extrude, cool down, oil and wind through metering, composite spinneret greatly and be made POY, POY through wire leading pipe, net Network, heating stretching, false twisting, thermal finalization and coiling and molding are made DTY, i.e., full-dull washs composite filament；
The delustring PET melt and it is big have the matt agent is dispersed with light PET melt；
Two kinds of different spinneret orifice A and spinneret orifice B are equipped with the composite spinneret at the same time；The spinneret orifice A and spinneret The microcell length ratio of hole B is equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B with COEFFICIENT K and flows through the material of spinneret orifice B Expect and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A；The equivalent diameter is the cross-sectional area and horizontal stroke of spinneret orifice The ratio of perimeter of section, the value range of the COEFFICIENT K is 0.97~1.03；
The composite spinneret extrusion refers to that delustring PET melt is extruded from spinneret orifice A, has light PET melt greatly from spinneret orifice B Extrusion, or refer to that delustring PET melt is extruded from spinneret orifice B, there is light PET melt to be extruded from spinneret orifice A greatly；
Contain crown ether in the finish to oil, and the content of crown ether is 67.30~85.58wt%.Crown ether is a kind of Heterocyclic organic compounds, include multiple ether groups, the wettability of crown ether-like surfactant is than corresponding open chain compound Greatly, crown ether has preferable solubilising, and solubility of the salt compounds in organic compound is relatively low, but the addition of crown ether can make salt Solubility of the class compound in organic matter is improved.Conventional polyester class or polyether compound in finish, due to molecule Larger and hydrogen bond effect is measured, intermolecular effect is larger, shows as that kinematic viscosity is larger, and after adding crown ether, crown ether can be preferably Ground is compatible in polyesters or the finish system of polyether compound, into the strand of polyesters or polyether compound it Between, the active force between strand is shielded, so that cause the viscosity of finish system to reduce, while the antistatic additive master of preparation medium It is divided into anionic, cationic and amphoteric surfactant, it mostly exists containing metal ion or in a salt form, This all makes antistatic additive and polyesters in finish or the phase tolerance of polyether compound, and the addition of crown ether, due to salting in effect, carries High antistatic additive and polyesters or the compatibility of polyether compound, and then finish oil film strength is improved, this is to spinning Stability and the product amount of holding have larger meaning.The index of finish is the embodiment of a composite factor, thus crown ether is added Enter amount and propose certain restriction, addition is too low the heat resistance of finish and the advantage of film strength are embodied it is inadequate, it is excessive its He can be restricted index.
As preferable technical solution：
Method as described above, the microcell length of the spinneret orifice A or spinneret orifice B are 0.30~2.08mm, the spinneret The equivalent diameter of hole A or spinneret orifice B are 0.15~0.52mm；
The spinneret orifice A or spinneret orifice B are independently selected from diesis shape, circle, triangle, linear type, king's word Shape, cross, hollow shape, five leaf and trilobal spinneret orifices.
Method as described above, all spinneret orifices concentric arrays on spinneret, the center of circle of all spinneret orifices or The circumscribed circle center of circle is located on concentric circles, and the concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges；
Spinneret orifice on same annulus is all spinneret orifice A or spinneret orifice B, and the shape of the spinneret orifice on two neighboring annulus is not It is identical；
Alternatively, contain spinneret orifice A and spinneret orifice B on same annulus at the same time, spinneret orifice A and spinneret orifice B on same annulus The quantity ratio of quantity ratio or spinneret orifice B and spinneret orifice A are 1~10:1.
Method as described above, thermal weight loss is less than 15wt% after the finish heats 2h at 200 DEG C, and crown ether has more High volatilization point and excellent heat-resistant stability, the heat resistance of the finish introduced after crown ether are also obviously improved；
For the finish at (50 ± 0.01) DEG C, kinematic viscosity is 27.5~30.1mm2/ s, the finish are configured to water Kinematic viscosity after the lotion that concentration is 10wt% is 0.93~0.95mm2/ s, the viscosity that crown ether can reduce finish are mainly Since crown ether oneself viscosity is relatively low and is pearl small molecule, after introducing crown ether in finish system, crown ether can be preferably compatible to In polyesters compound or polyether compound finish system, while enter polyesters compound or polyether compound strand Between, the active force between strand is shielded, so as to reduce the viscosity of finish system；
The film strength of the finish is 121~127N, and the film strength of finish is relatively low in the prior art, generally in 110N Left and right, this mostly exists containing metal ion or in a salt form mainly due to the antistatic additive of preparation medium, causes to resist Electrostatic agent can improve film strength and be mainly with polyesters compound or the poor compatibility of polyether compound in finish, crown ether Salting in effect can be produced after being added due to crown ether, improves antistatic additive and polyesters compound or the compatibility of polyethers, And then improve finish oil film strength；
The surface tension of the finish is 23.2~26.8cN/cm, and ratio resistance is 1.0 × 108~1.8 × 108Ω·cm；
After oiling, confficient of static friction between fiber and fiber is 0.250~0.263, the coefficient of kinetic friction for 0.262~ 0.273；
After oiling, confficient of static friction between fiber and metal is 0.202~0.210, the coefficient of kinetic friction for 0.320~ 0.332。
Method as described above, the crown ether are 2- methylols -12-crown-4,15- crown ethers -5 or 2- methylol -15- crown-s 5；
Also contain mineral oil, phosphate kalium salt, trimethylolpropane laurate and sodium alkyl sulfonate in the finish；
The mineral oil is one kind in the mineral oil of 9#~17#；
The phosphate kalium salt is 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, isomerous tridecanol polyoxyethylene ether phosphate kalium salt or ten Tetracosanol phosphate kalium salt；
The sodium alkyl sulfonate is dodecyl sodium sulfate, pentadecyl sulfonic acid sodium or sodium cetanesulfonate；
The finish is configured to the emulsion that concentration is 10~20wt% when in use, with water；
The preparation method of the finish is：By crown ether and phosphate kalium salt, trimethylolpropane laurate and alkyl sulphur Sour sodium is added in mineral oil after mixing is uniformly mixing to obtain finish；Count in parts by weight, the addition of each component is as follows：
The mixing carries out at normal temperatures, and the temperature of the stirring is 40~55 DEG C, and the time is 1~3h.
Method as described above, spinning technology parameter POY described are as follows：
The temperature of extrusion：280~290 DEG C；
The wind-warm syndrome of cooling：20~25 DEG C；
The speed of winding：2500~3000m/min；
Spinning technology parameter DTY described is as follows：
Spin speed：550~680m/min；
T1：210~245 DEG C；
T2：210~245 DEG C；
Pressure is empty：0.09~0.12MPa；
Oil tanker rotating speed：0.50r/min.
Invention mechanism：
Polyester fondant is non-newtonian fluid, is viscoelastic fluid, while it makees stickiness flowing in spinneret orifice, will be occurred Elastic deformation, and elastically-deformable presence is one of unstable key factor of spinning.The microcell length of spinneret orifice and cross section Girth and spinneret orifice cross-sectional area etc. to elasticity in melt can storage and relaxation degree have a significant impact, the present invention is logical Cross and the microcell length of two kinds of spinneret orifices, cross-sectional area and section girth on same spinneret are set and by two kinds of spinneret orifices Size and flow through the material consistency coefficients of two kinds of spinneret orifices and establish certain contact, realize melt elasticity can relaxation, make Its identical by pressure drop during different spinneret orifices, reduce melt in the pressure in exit and puffing so that It ensure that melt spinning smoothly stably carries out.
When melt passes through the spinneret orifice of spinneret, the calculation formula of melt pressure drop is as follows：
In formula, Δ P is that the pressure of melt drops, SIt is interiorFor spinneret orifice inner wall area, its value be equal to the microcell length of spinneret orifice with The product of the section girth of spinneret orifice, SCutFor the cross-sectional area of spinneret orifice, τ is the viscous fluid shear stress of material, its Middle τ=λ γ, λ are the consistency coefficient of material, and γ is shear rate.
For two kinds of polyester fondants by variform spinneret orifice A and spinneret orifice B on same spinneret, to make melt The speed extruded from different spinneret orifices is consistent or difference is smaller, it is necessary to assure its pressure during by different spinneret orifices Power drop is identical or differs within the specific limits, i.e. Δ PA=K Δs PB, therefore wherein COEFFICIENT K=0.97~1.03, can be derived not With the microcell length of spinneret orifice and the girth of its spinneret orifice cross section and spinneret orifice cross-sectional area and flow through two kinds of spinneret orifices Material consistency coefficient relation, i.e.,：
In formula, D is the microcell length of spinneret orifice, and S is the cross-sectional area of spinneret orifice, and L is the week of the cross section of spinneret orifice It is long, λATo flow through the consistency coefficient of the material of spinneret orifice A, λBTo flow through the consistency coefficient of the material of spinneret orifice B.
The present invention is by using the microcell length of the spinneret orifice for being provided with two kinds of special shapes and two kinds of spinneret orifices, horizontal stroke The size of area of section and section girth and the material consistency coefficient for flowing through two kinds of spinneret orifices have answering for certain contact Spinneret is closed, the progress that spinning is smoothly stablized is ensure that, solves foreign components composite filament in spinning process, because of different melt The problems such as fiber caused by pressure drop is inconsistent during extrusion molding is irregular, intensity is irregular, uneven dyeing, improves the stabilization of product Property, realize full-dull PET and there is light PET melt to be extruded at the same time from the different spinneret orifices of same spinneret greatly, ensure that spinning Processing be smoothed out and composite filament has excellent comprehensive performance.
Beneficial effect：
(1) a kind of full-dull of the invention washs composite filament, takes into account full-dull PET fiber and has the excellent of light PET fiber greatly Point, the full-dull fabric being processed into by it have the excellent performances such as gloss is soft, soft, drapability is good, style is novel, push away Extensively it is worth fabulous；
(2) a kind of full-dull of the invention washs the preparation method of composite filament, used during oiling containing crown ether Oil agent has the characteristics that viscosity is low, heat resistance is good, film strength is high, Lubricity is good and antistatic property is strong, improves The stability of spinning and the processing performance of fiber；
(3) a kind of full-dull of the invention washs the preparation method of composite filament, by setting two kinds on composite spinneret Microcell length, the cross-sectional area spinneret orifice different with section girth simultaneously by the size of two kinds of spinneret orifices and flow through two kinds of sprays The material consistency coefficient of wire hole establishes certain contact, ensure that pressure of the polyester fondant during by different spinneret orifices Drop it is essentially identical so that melt is basically identical from the extruded velocity in spinneret orifice, so as to ensure that its spinning is smoothly stablized Ground carries out；
(4) a kind of full-dull of the invention washs the preparation method of composite filament, using unformed titanium dioxide and without fixed The mixture or calcium carbonate of the silica of type and the mixture of unformed silica are inorganic matt particle, inorganic grain Son is dispersed in PET, destroys crystallization and the orientation of PET so that fiber surface is in matt state and is more nearly natural cotton Colored texture.
Brief description of the drawings
Fig. 1 is the spinneret orifice arrangement mode schematic diagram of the composite spinneret of the embodiment of the present invention 1；
Fig. 2 is the spinneret orifice arrangement mode schematic diagram of the composite spinneret of the embodiment of the present invention 2；
Fig. 3 is the spinneret orifice arrangement mode schematic diagram of the composite spinneret of the embodiment of the present invention 3.
Embodiment
The invention will be further elucidated with reference to specific embodiments.It is to be understood that these embodiments are merely to illustrate this hair It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Fixed scope.
Embodiment 1
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 2- methylols -12-crown-4 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trihydroxy methyl third Alkane laurate and dodecyl sodium sulfate are added in 9# mineral oil and in 40 DEG C of uniform stirrings after mixing at normal temperatures 1h obtains finish, counts in parts by weight, and the addition of each component is as follows：9# mineral oil is 2 parts；Trimethylolpropane laurate For 10 parts；2- methylols -12-crown-4 is 90 parts；1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite is 8 parts；Dodecyl sodium sulfate is 3 parts；System Content for crown ether in the finish gone out is 79.6wt%, and the resistance to elevated temperatures of finish is excellent, and heat is lost after heating 2h at 200 DEG C Weight is 14.5wt%；The viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 29.6mm2/ s, is configured to dense with water The kinematic viscosity spent after the lotion for 10wt% is 0.93mm2/ s, the film strength of finish is higher, film strength 125N, oil The surface tension of agent is 24.8cN/cm, and ratio resistance is 1.3 × 108Ω·cm；It is quiet between fiber and fiber (F/F) after oiling Friction coefficient (μ s) is 0.255, and the coefficient of kinetic friction (μ d) is 0.266；After oiling, the static friction between fiber and metal (F/M) Coefficient (μ s) is 0.203, and the coefficient of kinetic friction (μ d) is 0.320, and the finish of preparation is configured to concentration when in use, with water and is The emulsion of 15wt%；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly It is made POY, wherein delustring PET melt and has matt agent is dispersed with light PET melt greatly, matt agent is unformed titanium dioxide The mixture of titanium and unformed silica, content of the matt agent in delustring PET monofilament are 1.7wt%, and matt agent is big It is 1.7wt% to have the content in light PET monofilament, and the content of unformed silica is 22wt% in matt agent, the spinning of POY Silk technological parameter is as follows：The temperature of extrusion：285℃；The wind-warm syndrome of cooling：22℃；The speed of winding：2700m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 1.01, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice A, there is light PET melt to be extruded from spinneret orifice B greatly, the wherein microcell length of spinneret orifice A is 0.83mm, spinneret orifice The microcell length of B is 1.30mm, and the equivalent diameter of spinneret orifice A is 0.35mm, there is the thick of light PET melt and delustring PET melt greatly The ratio for spending coefficient is 0.64, and spinneret orifice A is diesis shape spinneret orifice, and spinneret orifice B is trilobal spinneret orifice, all spinneret orifices The concentric arrays on spinneret, the center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same Spinneret orifice on annulus equidistantly arranges, and the arrangement schematic diagram of spinneret orifice as shown in Figure 1, contain spinneret orifice at the same time on same annulus A and spinneret orifice B, the quantity ratio of spinneret orifice A and spinneret orifice B is 3 on same annulus:1；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 620m/min to spin speed；T1 is 227 DEG C；T2 is 225 DEG C； It is 0.11MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.60dtex, and the fiber number for having light PET monofilament greatly is 0.35dtex, The glossiness that obtained full-dull washs composite filament is 19%, fiber number 110dtex, fracture strength 2.1cN/dtex, is broken Elongation is 22.0%, crimp contraction 8.5%, and line density deviation ratio is 1.9%, and fracture strength CV values are 6.5%, fracture It is 7.5% to extend CV values, and crimp contraction coefficient of variation CV values are 7.8%, boiling water shrinkage 3.5%, full-rolling rate 99%.
Embodiment 2
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 15- crown ethers -5 and isomerous tridecanol polyoxyethylene ether phosphate kalium salt, three hydroxyls Methylpropane laurate and pentadecyl sulfonic acid sodium be added to after mixing at normal temperatures in 10# mineral oil and 43 DEG C It is as follows by, parts by weight meter, the addition of each component that even stirring 1.5h obtains finish：10# mineral oil is 2 parts；Trihydroxy methyl third Alkane laurate is 15 parts；15- crown ethers -5 are 70 parts；Isomerous tridecanol polyoxyethylene ether phosphate kalium salt is 10 parts；Pentadecane Base sodium sulfonate is 7 parts；The content of crown ether is 67.30wt% in the finish prepared, and the resistance to elevated temperatures of finish is excellent, 200 DEG C heat 2h after thermal weight loss be 13wt%；The viscosity of finish is relatively low, and at (50 ± 0.01) DEG C, kinematic viscosity is 28.1mm2/ s, the kinematic viscosity being configured to water after the lotion that concentration is 10wt% is 0.93mm2/ s, the film strength of finish compared with Height, is 123N, the surface tension of finish is 25.1cN/cm, and ratio resistance is 1.5 × 108Ω·cm；After oiling, fiber and fiber (F/F) confficient of static friction (μ s) between is 0.257, and the coefficient of kinetic friction (μ d) is 0.265；After oiling, fiber and metal (F/M) Between confficient of static friction (μ s) be 0.205, the coefficient of kinetic friction (μ d) be 0.323；The finish of preparation when in use, is configured with water Into the emulsion that concentration is 14wt%；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly Be made POY, wherein delustring PET melt and it is big have matt agent is dispersed with light PET melt, matt agent is calcium carbonate and unformed Silica mixture, content of the matt agent in delustring PET monofilament is 1.5wt%, and matt agent is having light PET monofilament greatly In content be 1.5wt%, the content of unformed silica is 15wt% in matt agent, the spinning technology parameter of POY It is as follows：The temperature of extrusion：280℃；The wind-warm syndrome of cooling：20℃；The speed of winding：2500m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 1.03, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice B, there is light PET melt to be extruded from spinneret orifice A greatly, the wherein microcell length of spinneret orifice B is 0.30mm, spinneret orifice The microcell length of A is 0.4mm, and the equivalent diameter of spinneret orifice B is 0.15mm, the denseness for having light PET melt and delustring PET melt greatly The ratio between coefficient is 0.75, and spinneret orifice A is circular spinneret orifice, and spinneret orifice B is five leaf spinneret orifices, and all spinneret orifices are in spinneret Upper concentric arrays, the circumscribed circle center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same circle Spinneret orifice on ring equidistantly arranges, and the arrangement schematic diagram of spinneret orifice is as shown in Fig. 2, the spinneret orifice on same annulus is all spinneret Hole A or spinneret orifice B, the shape of the spinneret orifice on two neighboring annulus differ；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 550m/min to spin speed；T1 is 210 DEG C；T2 is 210 DEG C； It is 0.09MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.50dtex, and the fiber number for having light PET monofilament greatly is 0.30dtex, The glossiness that obtained full-dull washs composite filament is 19.5%, fiber number 75dtex, fracture strength 2.0cN/dtex, is broken Elongation is 18%, crimp contraction 8.9%, and line density deviation ratio is 1.9%, and fracture strength CV values are 6.9%, and fracture is stretched Long CV values are 7.9%, and crimp contraction coefficient of variation CV values are 8.4%, boiling water shrinkage 3.0.%, full-rolling rate 98%.
Embodiment 3
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 2- methylol -15- crown-s 5 and ten tetracosanol phosphate kalium salts, trihydroxy methyl Propane laurate and pentadecyl sulfonic acid sodium are added in 11# mineral oil and are uniformly stirred at 48 DEG C after mixing at normal temperatures Mix 3h and obtain finish, count in parts by weight, the addition of each component is as follows：11# mineral oil is 8 parts；Trimethylolpropane bay Acid esters is 10 parts；2- methylol -15- crown-s 5 are 85 parts；Ten tetracosanol phosphate kalium salts are 11 parts；Pentadecyl sulfonic acid sodium is 5 parts；The content of crown ether is 70.83wt% in the finish prepared, and the resistance to elevated temperatures of finish is excellent, in 200 DEG C of heating Thermal weight loss is 11wt% after 2h；The viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 30.1mm2/ s, is matched somebody with somebody with water The kinematic viscosity being set to after the lotion that concentration is 10wt% is 0.94mm2/ s, the film strength of finish is higher, is 125N, finish Surface tension be 23.2cN/cm, ratio resistance is 1.8 × 108Ω·cm；After oiling, quiet between fiber and fiber (F/F) rubs Wipe coefficient (μs) it is 0.250, the coefficient of kinetic friction (μd) it is 0.272；After oiling, the confficient of static friction between fiber and metal (F/M) (μs) it is 0.209, the coefficient of kinetic friction (μd) it is 0.329, when in use, it is 10wt%'s to be configured to concentration with water to the finish of preparation Emulsion；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly It is made POY, wherein delustring PET melt and has matt agent is dispersed with light PET melt greatly, matt agent is unformed titanium dioxide The mixture of titanium and unformed silica, content of the matt agent in delustring PET monofilament are 2.0wt%, and matt agent is big It is 2.0wt% to have the content in light PET monofilament, and the content of unformed silica is 30wt% in matt agent, the spinning of POY Silk technological parameter is as follows：The temperature of extrusion：290℃；The wind-warm syndrome of cooling：25℃；The speed of winding：3000m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 0.97, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice A, there is light PET melt to be extruded from spinneret orifice B greatly, the wherein microcell length of spinneret orifice A is 1.42mm, spinneret orifice The microcell length of B is 2.08mm, and the equivalent diameter of spinneret orifice A is 0.52mm, there is the thick of light PET melt and delustring PET melt greatly It is 0.68 to spend the ratio between coefficient, and spinneret orifice A is triangle spinneret orifice, and spinneret orifice B is hollow shape spinneret orifice, and all spinneret orifices are spraying Concentric arrays on filament plate, the center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same annulus On spinneret orifice equidistantly arrange, the arrangement schematic diagram of spinneret orifice as shown in figure 3, on same annulus at the same time containing spinneret orifice A and Spinneret orifice B, the quantity ratio of spinneret orifice A and spinneret orifice B is 1 on same annulus:1；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 680m/min to spin speed；T1 is 245 DEG C；T2 is 245 DEG C； It is 0.12MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.70dtex, and the fiber number for having light PET monofilament greatly is 0.40dtex, The glossiness that obtained full-dull washs composite filament is 18%, fiber number 150dtex, fracture strength 2.2cN/dtex, is broken Elongation is 24%, crimp contraction 8.1%, and line density deviation ratio is 1.8%, and fracture strength CV values are 6.3%, and fracture is stretched Long CV values are 7.2%, and crimp contraction coefficient of variation CV values are 7.6%, boiling water shrinkage 4.0%, full-rolling rate 99.5%.
Embodiment 4
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 2- methylols -12-crown-4 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trihydroxy methyl third Alkane laurate and sodium cetanesulfonate are added in 12# mineral oil and in 40 DEG C of uniform stirrings after mixing at normal temperatures 2.5h obtains finish, counts in parts by weight, and the addition of each component is as follows：12# mineral oil is 5 parts；2- methylols -12-crown-4 For 95 parts；1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite is 9 parts；Sodium cetanesulfonate is 2 parts.The content of crown ether is in the finish prepared 85.58wt%, the resistance to elevated temperatures of finish is excellent, and thermal weight loss is 9wt% after heating 2h at 200 DEG C；The viscosity of finish compared with It is low, at (50 ± 0.01) DEG C, kinematic viscosity 29.5mm2/ s, the movement being configured to water after the lotion that concentration is 10wt% Viscosity is 0.93mm2/ s, the film strength of finish is higher, is 121N, the surface tension of finish is 24.3cN/cm, and ratio resistance is 1.0×108Ω·cm；After oiling, the confficient of static friction (μ between fiber and fiber (F/F)s) it is 0.260, the coefficient of kinetic friction (μd) it is 0.263；After oiling, the confficient of static friction (μ between fiber and metal (F/M)s) it is 0.202, the coefficient of kinetic friction (μd) be 0.330, the finish of preparation is configured to the emulsion that concentration is 19wt% when in use, with water；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly It is made POY, wherein delustring PET melt and has matt agent is dispersed with light PET melt greatly, matt agent is unformed titanium dioxide The mixture of titanium and unformed silica, content of the matt agent in delustring PET monofilament are 1.6wt%, and matt agent is big It is 1.65wt% to have the content in light PET monofilament, and the content of unformed silica is 17wt% in matt agent, POY Spinning technology parameter is as follows：The temperature of extrusion：282℃；The wind-warm syndrome of cooling：21℃；The speed of winding：2550m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 0.99, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice A, there is light PET melt to be extruded from spinneret orifice B greatly, wherein the microcell length of spinneret orifice A is 0.9mm, spinneret orifice B Microcell length be 1.342mm, the equivalent diameter of spinneret orifice A is 0.37mm, there is the thick of light PET melt and delustring PET melt greatly It is 0.67 to spend the ratio between coefficient, and spinneret orifice A is linear type spinneret orifice, and spinneret orifice B is cross shaped spinneret orifice, and all spinneret orifices are spraying Concentric arrays on filament plate, the center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same annulus On spinneret orifice equidistantly arrange, the spinneret orifice on same annulus is all spinneret orifice A or spinneret orifice B, on two neighboring annulus The shape of spinneret orifice differs；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 580~m/min to spin speed；T1 is 215 DEG C；T2 is 216 ℃；It is 0.10MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.60dtex, and the fiber number for having light PET monofilament greatly is 0.31dtex, The glossiness that obtained full-dull washs composite filament is 18.9%, fiber number 80dtex, fracture strength 2.03cN/dtex, is broken It is 20.5% to split elongation, crimp contraction 8.8%, and line density deviation ratio is 1.95%, and fracture strength CV values are 6.8%, Extension at break CV values are 7.8%, and crimp contraction coefficient of variation CV values are 8.4%, boiling water shrinkage 3.2%, and full-rolling rate is 98.4%.
Embodiment 5
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 15- crown ethers -5 and isomerous tridecanol polyoxyethylene ether phosphate kalium salt, three hydroxyls Methylpropane laurate and dodecyl sodium sulfate be added to after mixing at normal temperatures in 13# mineral oil and 52 DEG C Even stirring 2h obtains finish, counts in parts by weight, the addition of each component is as follows：13# mineral oil is 10 parts；Trimethylolpropane Laurate is 5 parts；15- crown ethers -5 are 70 parts；Isomerous tridecanol polyoxyethylene ether phosphate kalium salt is 8 parts；Dodecyl sulphur Sour sodium is 6 parts.The content of crown ether is 70.70wt% in the finish prepared, and the resistance to elevated temperatures of finish is excellent, is added at 200 DEG C Thermal weight loss is 13.5wt% after being heat-treated 2h；The viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 28.6mm2/ S, the kinematic viscosity being configured to water after the lotion that concentration is 10wt% is 0.95mm2/ s, the film strength of finish is higher, is 126N, the surface tension of finish is 24.9cN/cm, and ratio resistance is 1.2 × 108Ω·cm；After oiling, fiber and fiber (F/F) Between confficient of static friction (μs) it is 0.251, the coefficient of kinetic friction (μd) it is 0.262；After oiling, between fiber and metal (F/M) Confficient of static friction (μs) it is 0.202, the coefficient of kinetic friction (μd) it is 0.332, the finish of preparation is configured to concentration when in use, with water For the emulsion of 11wt%；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly Be made POY, wherein delustring PET melt and it is big have matt agent is dispersed with light PET melt, matt agent is calcium carbonate and unformed Silica mixture, content of the matt agent in delustring PET monofilament is 1.7wt%, and matt agent is having light PET monofilament greatly In content be 1.75wt%, the content of unformed silica is 18wt% in matt agent, the spinning technology parameter of POY It is as follows：The temperature of extrusion：286℃；The wind-warm syndrome of cooling：22℃；The speed of winding：2600m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 1.01, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice B, there is light PET melt to be extruded from spinneret orifice A greatly, wherein the microcell length of spinneret orifice A is 0.7mm, spinneret orifice B Microcell length be 0.47mm, the equivalent diameter of spinneret orifice A is 0.25mm, the denseness for having light PET melt and delustring PET melt greatly The ratio between coefficient is 0.65, and spinneret orifice A is king's font spinneret orifice, and spinneret orifice B is king's font spinneret orifice, and all spinneret orifices are in spinneret Concentric arrays on plate, the circumscribed circle center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same Spinneret orifice on annulus equidistantly arranges, and contains spinneret orifice A and spinneret orifice B on same annulus at the same time, spinneret orifice A on same annulus Quantity ratio with spinneret orifice B is 10:1；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 600m/min to spin speed；T1 is 220 DEG C；T2 is 225 DEG C； It is 0.11MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.63dtex, and the fiber number for having light PET monofilament greatly is 0.34dtex, The glossiness that obtained full-dull washs composite filament is 18.5%, fiber number 90dtex, fracture strength 2.08cN/dtex, is broken It is 21% to split elongation, crimp contraction 8.5%, and line density deviation ratio is 1.9%, and fracture strength CV values are 6.5%, fracture It is 7.6% to extend CV values, and crimp contraction coefficient of variation CV values are 8.2%, boiling water shrinkage 3.5%, and full-rolling rate is 98.5%.
Embodiment 6
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 2- methylol -15- crown-s 5 and ten tetracosanol phosphate kalium salts, trihydroxy methyl Propane laurate and pentadecyl sulfonic acid sodium are added in 14# mineral oil and are uniformly stirred at 55 DEG C after mixing at normal temperatures Mix 1h and obtain finish, count in parts by weight, the addition of each component is as follows：14# mineral oil is 3 parts；Trimethylolpropane bay Acid esters is 10 parts；2- methylol -15- crown-s 5 are 75 parts；Ten tetracosanol phosphate kalium salts are 14 parts；Pentadecyl sulfonic acid sodium is 7 parts.The content of crown ether is 68.80wt% in the finish prepared, and the resistance to elevated temperatures of finish is excellent, in 200 DEG C of heating Thermal weight loss is 12wt% after 2h；The viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 27.5mm2/ s, is matched somebody with somebody with water The kinematic viscosity being set to after the lotion that concentration is 10wt% is 0.95mm2/ s, the film strength of finish is higher, is 126N, finish Surface tension be 25.4cN/cm, ratio resistance is 1.6 × 108Ω·cm；After oiling, quiet between fiber and fiber (F/F) rubs Wipe coefficient (μs) it is 0.255, the coefficient of kinetic friction (μd) it is 0.267；After oiling, the confficient of static friction between fiber and metal (F/M) (μs) it is 0.203, the coefficient of kinetic friction (μd) it is 0.330, when in use, it is 20wt%'s to be configured to concentration with water to the finish of preparation Emulsion；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly It is made POY, wherein delustring PET melt and has matt agent is dispersed with light PET melt greatly, matt agent is unformed titanium dioxide The mixture of titanium and unformed silica, content of the matt agent in delustring PET monofilament are 1.8wt%, and matt agent is big It is 1.78wt% to have the content in light PET monofilament, and the content of unformed silica is 23wt% in matt agent, POY Spinning technology parameter is as follows：The temperature of extrusion：286℃；The wind-warm syndrome of cooling：23℃；The speed of winding：2800m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 1.02, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice A, there is light PET melt to be extruded from spinneret orifice B greatly, the wherein microcell length of spinneret orifice B is 1.56mm, spinneret orifice The microcell length of A is 0.98mm, and the equivalent diameter of spinneret orifice B is 0.50mm, there is the thick of light PET melt and delustring PET melt greatly It is 0.64 to spend the ratio between coefficient, and spinneret orifice A is cross shaped spinneret orifice, and spinneret orifice B is cross shaped spinneret orifice, and all spinneret orifices are spraying Concentric arrays on filament plate, the center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same annulus On spinneret orifice equidistantly arrange, contain spinneret orifice A and spinneret orifice B on same annulus at the same time, spinneret orifice A and spray on same annulus The quantity ratio of wire hole B is 8:1；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 620m/min to spin speed；T1 is 230 DEG C；T2 is 232 DEG C； It is 0.12MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.65dtex, and the fiber number for having light PET monofilament greatly is 0.36dtex, The glossiness that obtained full-dull washs composite filament is 18.4%, fiber number 100dtex, fracture strength 2.09cN/dtex, is broken It is 22.6% to split elongation, crimp contraction 8.4%, and line density deviation ratio is 1.84%, and fracture strength CV values are 6.3%, Extension at break CV values are 7.4%, and crimp contraction coefficient of variation CV values are 7.0%, boiling water shrinkage 3.7%, and full-rolling rate is 98.8%.
Embodiment 7
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 15- crown ethers -5 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trimethylolpropane bay Acid esters and sodium cetanesulfonate are added in 15# mineral oil and are obtained in 41 DEG C of uniform stirring 2h after mixing at normal temperatures Finish, is counted in parts by weight, and the addition of each component is as follows：15# mineral oil is 8 parts；Trimethylolpropane laurate is 20 Part；15- crown ethers -5 are 100 parts；1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite is 15 parts；Sodium cetanesulfonate is 2 parts.The finish prepared The content of middle crown ether is 68.97wt%, and the resistance to elevated temperatures of finish is excellent, and thermal weight loss is after heating 2h at 200 DEG C 8.5wt%；The viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 28.4mm2/ s, being configured to concentration with water is Kinematic viscosity after the lotion of 10wt% is 0.94mm2/ s, the film strength of finish is higher, is 122N, the surface tension of finish For 26.8cN/cm, ratio resistance is 1.8 × 108Ω·cm；After oiling, the confficient of static friction (μ between fiber and fiber (F/F)s) For 0.263, the coefficient of kinetic friction (μd) it is 0.268；After oiling, the confficient of static friction (μ between fiber and metal (F/M)s) be 0.210, the coefficient of kinetic friction (μd) it is 0.320, the finish of preparation is configured to the emulsification that concentration is 13wt% when in use, with water Liquid；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly Be made POY, wherein delustring PET melt and it is big have matt agent is dispersed with light PET melt, matt agent is calcium carbonate and unformed Silica mixture, content of the matt agent in delustring PET monofilament is 1.9wt%, and matt agent is having light PET monofilament greatly In content be 1.9wt%, the content of unformed silica is 25wt% in matt agent, the spinning technology parameter of POY It is as follows：The temperature of extrusion：288℃；The wind-warm syndrome of cooling：24℃；The speed of winding：2800m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 1.02, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice A, there is light PET melt to be extruded from spinneret orifice B greatly, the wherein microcell length of spinneret orifice B is 1.56mm, spinneret orifice The microcell length of A is 1.03mm, and the equivalent diameter of spinneret orifice B is 0.50mm, there is the thick of light PET melt and delustring PET melt greatly It is 0.67 to spend the ratio between coefficient, and spinneret orifice A is cross shaped spinneret orifice, and spinneret orifice B is cross shaped spinneret orifice, and all spinneret orifices are spraying Concentric arrays on filament plate, the center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same annulus On spinneret orifice equidistantly arrange, contain spinneret orifice A and spinneret orifice B on same annulus at the same time, spinneret orifice A and spray on same annulus The quantity ratio of wire hole B is 7:1；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 630m/min to spin speed；T1 is 230 DEG C；T2 is 235 DEG C； It is 0.09MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.68dtex, and the fiber number for having light PET monofilament greatly is 0.39dtex, The glossiness that obtained full-dull washs composite filament is 18.2%, fiber number 120dtex, fracture strength 2.12cN/dtex, is broken It is 22.8% to split elongation, crimp contraction 8.2%, and line density deviation ratio is 1.82%, and fracture strength CV values are 6.3%, Extension at break CV values are 7.2%, and crimp contraction coefficient of variation CV values are 7.7%, boiling water shrinkage 3.8%, and full-rolling rate is 99%.
Embodiment 8
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 2- methylols -12-crown-4 and ten tetracosanol phosphate kalium salts, trihydroxy methyl Propane laurate and pentadecyl sulfonic acid sodium are added in 16# mineral oil and are uniformly stirred at 45 DEG C after mixing at normal temperatures Mix 3h and obtain finish, count in parts by weight, the addition of each component is as follows：16# mineral oil is 9 parts；2- methylols -12-crown-4 For 80 parts；Ten tetracosanol phosphate kalium salts are 12 parts；Pentadecyl sulfonic acid sodium is 5 parts.Crown ether contains in the finish prepared Measure as 83.33wt%, the resistance to elevated temperatures of finish is excellent, and thermal weight loss is 14wt% after heating 2h at 200 DEG C；Finish glues Spend it is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 30.0mm2/ s, after the lotion that concentration is 10wt% is configured to water Kinematic viscosity is 0.93mm2/ s, the film strength of finish is higher, is 127N, the surface tension of finish is 23.5cN/cm, than electricity Hinder for 1.5 × 108Ω·cm；After oiling, the confficient of static friction (μ between fiber and fiber (F/F)s) it is 0.262, dynamic friction system Number (μd) it is 0.273；After oiling, the confficient of static friction (μ between fiber and metal (F/M)s) it is 0.208, the coefficient of kinetic friction (μd) For 0.328, the finish of preparation is configured to the emulsion that concentration is 18wt% when in use, with water；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly Be made POY, wherein delustring PET melt and it is big have matt agent is dispersed with light PET melt, matt agent is calcium carbonate and unformed Silica mixture, content of the matt agent in delustring PET monofilament is 1.95wt%, and matt agent has the light PET mono- big Content in silk be 1.95wt%, and the content of unformed silica is 28wt% in matt agent, and the spinning technique of POY is joined Number is as follows：The temperature of extrusion：290℃；The wind-warm syndrome of cooling：25℃；The speed of winding：2950m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 1.01, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice B, there is light PET melt to be extruded from spinneret orifice A greatly, wherein the microcell length of spinneret orifice A is 0.7mm, spinneret orifice B Microcell length be 0.49mm, the equivalent diameter of spinneret orifice A is 0.25mm, the denseness for having light PET melt and delustring PET melt greatly The ratio between coefficient is 0.68, and spinneret orifice A is king's font spinneret orifice, and spinneret orifice B is king's font spinneret orifice, and all spinneret orifices are in spinneret Concentric arrays on plate, the circumscribed circle center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same Spinneret orifice on annulus equidistantly arranges, and contains spinneret orifice A and spinneret orifice B on same annulus at the same time, spinneret orifice A on same annulus Quantity ratio with spinneret orifice B is 10:1；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 670m/min to spin speed；T1 is 240 DEG C；T2 is 240 DEG C； It is 0.11MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.67dtex, and the fiber number for having light PET monofilament greatly is 0.39dtex, The glossiness that obtained full-dull washs composite filament is 18.1%, fiber number 140dtex, fracture strength 2.16cN/dtex, is broken It is 23.5% to split elongation, crimp contraction 8.1%, and line density deviation ratio is 1.81%, and fracture strength CV values are 6.4%, Extension at break CV values are 7.2%, and crimp contraction coefficient of variation CV values are 7.8%, boiling water shrinkage 3.9%, and full-rolling rate is 99.2%.
Embodiment 9
A kind of full-dull washs the preparation method of composite filament, and step is as follows：
(1) preparation to oil with finish：By 2- methylol -15- crown-s 5 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trihydroxy methyl third Alkane laurate and dodecyl sodium sulfate after mixing and obtain finish in 55 DEG C of uniform stirring 3h at normal temperatures, by weight Number meter, the addition of each component are as follows：Trimethylolpropane laurate is 15 parts；2- methylol -15- crown-s 5 are 90 parts； 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite is 8 parts；Dodecyl sodium sulfate is 7 parts.The content of crown ether is in the finish prepared 81.81wt%, the resistance to elevated temperatures of finish is excellent, and thermal weight loss is 10wt% after heating 2h at 200 DEG C；The viscosity of finish compared with It is low, at (50 ± 0.01) DEG C, kinematic viscosity 29.7mm2/ s, the movement being configured to water after the lotion that concentration is 10wt% Viscosity is 0.94mm2/ s, the film strength of finish is higher, is 126N, the surface tension of finish is 24.8cN/cm, and ratio resistance is 1.8×108Ω·cm；After oiling, the confficient of static friction (μ between fiber and fiber (F/F)s) it is 0.250, the coefficient of kinetic friction (μd) it is 0.264；After oiling, the confficient of static friction (μ between fiber and metal (F/M)s) it is 0.210, the coefficient of kinetic friction (μd) be 0.321, the finish of preparation is configured to the emulsion that concentration is 10wt% when in use, with water；
(2) light PET melt extrudes, cool down, oil and wind through metering, composite spinneret by delustring PET melt and greatly Be made POY, wherein delustring PET melt and it is big have matt agent is dispersed with light PET melt, matt agent is calcium carbonate and unformed Silica mixture, content of the matt agent in delustring PET monofilament is 2.0wt%, and matt agent is having light PET monofilament greatly In content be 1.95wt%, the content of unformed silica is 29wt% in matt agent, the spinning technology parameter of POY It is as follows：The temperature of extrusion：290℃；The wind-warm syndrome of cooling：25℃；The speed of winding：2500m/min；
Composite spinneret extrusion detailed process be：Two kinds of different spinneret orifice A and spray are equipped with composite spinneret at the same time The microcell length ratio of wire hole B, spinneret orifice A and spinneret orifice B are equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K And flow through the material of spinneret orifice B and flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A, equivalent diameter is spinneret orifice Cross-sectional area and section girth ratio, the value of COEFFICIENT K is 0.99, and composite spinneret extrusion refers to delustring PET melt Extruded from spinneret orifice A, there is light PET melt to be extruded from spinneret orifice B greatly, the wherein microcell length of spinneret orifice A is 0.86mm, spinneret orifice The microcell length of B is 1.342mm, and the equivalent diameter of spinneret orifice A is 0.37mm, there is the thick of light PET melt and delustring PET melt greatly It is 0.64 to spend the ratio between coefficient, and spinneret orifice A is linear type spinneret orifice, and spinneret orifice B is cross shaped spinneret orifice, and all spinneret orifices are spraying Concentric arrays on filament plate, the center of circle of all spinneret orifices are located on concentric circles, and concentric circles is equidistant concentric circles, same annulus On spinneret orifice equidistantly arrange, the spinneret orifice on same annulus is all spinneret orifice A or spinneret orifice B, on two neighboring annulus The shape of spinneret orifice differs；
(3) POY are made DTY through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, that is, totally disappeared Light washs composite filament, and the spinning technology parameter of wherein DTY is as follows：It is 550m/min to spin speed；T1 is 245 DEG C；T2 is 230 DEG C； It is 0.11MPa to press sky；Oil tanker rotating speed is 0.50r/min.
A branch of full-dull of final obtained same spinneret extrusion wash in composite filament at the same time containing delustring PET monofilament and There is light PET monofilament greatly, the wherein fiber number of delustring PET monofilament is 0.68dtex, and the fiber number for having light PET monofilament greatly is 0.35dtex, The glossiness that obtained full-dull washs composite filament is 18%, fiber number 125dtex, fracture strength 2.17cN/dtex, is broken Elongation is 23.8%, crimp contraction 8.2%, and line density deviation ratio is 1.82%, and fracture strength CV values are 6.4%, are broken It is 7.5% to split elongation CV values, and crimp contraction coefficient of variation CV values are 7.8%, boiling water shrinkage 3.85%, and full-rolling rate is 99%.

Claims (10)

1. a kind of full-dull washs composite filament, it is characterized in that：A branch of full-dull of same spinneret extrusion is washed same in composite filament Shi Hanyou delustrings PET monofilament and there is light PET monofilament greatly；
Delustring PET monofilament and it is big have matt agent is dispersed with light PET monofilament, matt agent is unformed titanium dioxide and unformed Silica mixture, or the mixture for calcium carbonate and unformed silica；
Full-dull washs the glossiness of composite filament<20%.
2. a kind of full-dull according to claim 1 washs composite filament, it is characterised in that the fibre of the delustring PET monofilament Spend for 0.50~0.70dtex, the big fiber number for having light PET monofilament is 0.30~0.40dtex.
3. a kind of full-dull according to claim 1 or 2 washs composite filament, it is characterised in that the full-dull is washed multiple The fiber number of plying is 75~150dtex, and fracture strength >=2.0cN/dtex, elongation at break is 22.0 ± 2.0%, crimp shrinkage Rate≤9.0%, line density deviation ratio≤2.0%, fracture strength CV value≤7.0%, extension at break CV value≤8.0%, curling are received Shrinkage coefficient of variation CV value≤8.5%, boiling water shrinkage are 3.5 ± 0.5%, full-rolling rate >=98%.
4. a kind of full-dull according to claim 3 washs composite filament, it is characterised in that the matt agent is in delustring PET Monofilament or it is big to have the content in light PET monofilament be 1.5~2.0wt%, the content of unformed silica in the matt agent For 15~30wt%.
5. the method for washing composite filament such as a kind of full-dull of Claims 1 to 4 any one of them is prepared, it is characterized in that：It will disappear Light PET melt and it is big have light PET melt extrude, cool down, oil and winds through metering, composite spinneret it is POY, POY obtained DTY are made through wire leading pipe, network, heating stretching, false twisting, thermal finalization and coiling and molding, i.e., full-dull washs composite filament；
The delustring PET melt and it is big have the matt agent is dispersed with light PET melt；
Two kinds of different spinneret orifice A and spinneret orifice B are equipped with the composite spinneret at the same time；The spinneret orifice A and spinneret orifice B's Microcell length ratio be equal to the ratio between equivalent diameter of spinneret orifice A and spinneret orifice B and COEFFICIENT K and flow through the material of spinneret orifice B with Flow through the product of the ratio between the consistency coefficient of material of spinneret orifice A；Cross-sectional area and cross section of the equivalent diameter for spinneret orifice The ratio of girth, the value range of the COEFFICIENT K is 0.97~1.03；
The composite spinneret extrusion refers to that delustring PET melt is extruded from spinneret orifice A, has light PET melt to be squeezed from spinneret orifice B greatly Go out, or refer to that delustring PET melt is extruded from spinneret orifice B, there is light PET melt to be extruded from spinneret orifice A greatly；
Contain crown ether in the finish to oil, and the content of crown ether is 67.30~85.58wt%.
6. according to the method described in claim 5, it is characterized in that, the microcell length of the spinneret orifice A or spinneret orifice B is 0.30 The equivalent diameter of~2.08mm, the spinneret orifice A or spinneret orifice B are 0.15~0.52mm；
The spinneret orifice A or spinneret orifice B are independently selected from diesis shape, circle, triangle, linear type, king's font, ten Font, hollow shape, five leaf and trilobal spinneret orifices.
7. according to the method described in claim 6, it is characterized in that, all spinneret orifices concentric arrays on spinneret, institute The center of circle or the circumscribed circle center of circle of some spinneret orifices are located on concentric circles, and the concentric circles is equidistant concentric circles, on same annulus Spinneret orifice equidistantly arrange；
Spinneret orifice on same annulus is all spinneret orifice A or spinneret orifice B, the shape of the spinneret orifice on two neighboring annulus not phase Together；
Alternatively, contain spinneret orifice A and spinneret orifice B on same annulus at the same time, the quantity of spinneret orifice A and spinneret orifice B on same annulus Than or the quantity ratio of spinneret orifice B and spinneret orifice A be 1~10:1.
8. according to the method described in claim 5, it is characterized in that, thermal weight loss is small after the finish heats 2h at 200 DEG C In 15wt%；
For the finish at (50 ± 0.01) DEG C, kinematic viscosity is 27.5~30.1mm2/ s, the finish are configured to concentration with water It is 0.93~0.95mm for the kinematic viscosity after the lotion of 10wt%2/s；
The film strength of the finish is 121~127N；
The surface tension of the finish is 23.2~26.8cN/cm, and ratio resistance is 1.0 × 108~1.8 × 108Ω·cm；
After oiling, the confficient of static friction between fiber and fiber is 0.250~0.263, and the coefficient of kinetic friction is 0.262~0.273；
After oiling, the confficient of static friction between fiber and metal is 0.202~0.210, and the coefficient of kinetic friction is 0.320~0.332.
9. according to the method described in claim 8, it is characterized in that, the crown ether is 2- methylols -12-crown-4,15- crown ethers -5 Or 2- methylol -15- crown-s 5；
Also contain mineral oil, phosphate kalium salt, trimethylolpropane laurate and sodium alkyl sulfonate in the finish；
The mineral oil is one kind in the mineral oil of 9#~17#；
The phosphate kalium salt is 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, isomerous tridecanol polyoxyethylene ether phosphate kalium salt or 12 Tetrol phosphate kalium salt；
The sodium alkyl sulfonate is dodecyl sodium sulfate, pentadecyl sulfonic acid sodium or sodium cetanesulfonate；
The finish is configured to the emulsion that concentration is 10~20wt% when in use, with water；
The preparation method of the finish is：By crown ether and phosphate kalium salt, trimethylolpropane laurate and sodium alkyl sulfonate It is added to after mixing in mineral oil and is uniformly mixing to obtain finish；Count in parts by weight, the addition of each component is as follows：
The mixing carries out at normal temperatures, and the temperature of the stirring is 40~55 DEG C, and the time is 1~3h.
10. according to claim 5~9 any one of them method, it is characterised in that spinning technology parameter POY described is such as Under：
The temperature of extrusion：280~290 DEG C；
The wind-warm syndrome of cooling：20~25 DEG C；
The speed of winding：2500~3000m/min；
Spinning technology parameter DTY described is as follows：
Spin speed：550~680m/min；
T1：210~245 DEG C；
T2：210~245 DEG C；
Pressure is empty：0.09~0.12MPa；
Oil tanker rotating speed：0.50r/min.
CN201711340287.2A 2017-12-14 2017-12-14 Full-dull polyester-polyester composite yarn and preparation method thereof Active CN107988635B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711340287.2A CN107988635B (en) 2017-12-14 2017-12-14 Full-dull polyester-polyester composite yarn and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711340287.2A CN107988635B (en) 2017-12-14 2017-12-14 Full-dull polyester-polyester composite yarn and preparation method thereof

Publications (2)

Publication Number Publication Date
CN107988635A true CN107988635A (en) 2018-05-04
CN107988635B CN107988635B (en) 2021-03-19

Family

ID=62038353

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711340287.2A Active CN107988635B (en) 2017-12-14 2017-12-14 Full-dull polyester-polyester composite yarn and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107988635B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109763224A (en) * 2018-12-27 2019-05-17 江苏恒力化纤股份有限公司 Full-dull washs composite filament and preparation method thereof
CN110820060A (en) * 2019-12-18 2020-02-21 太仓荣文合成纤维有限公司 Special-shaped spinneret plate and manufacturing method thereof
CN111041658A (en) * 2019-12-29 2020-04-21 江苏恒力化纤股份有限公司 Preparation method of chiffon fabric
EP3686325A4 (en) * 2017-12-14 2021-06-16 Jiangsu Hengli Chemical Fibre Co., Ltd. Light-weight thermal fiber and preparation method therefor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1826373A (en) * 2003-07-03 2006-08-30 罗狄亚特性纤维公司 Mineral fillers for enhancing opacity of thermoplastic polymers
JP2007197887A (en) * 2005-09-30 2007-08-09 Toray Ind Inc Polyamide fiber and method for producing the same
CN102277667A (en) * 2011-08-05 2011-12-14 福建百宏聚纤科技实业有限公司 Super imitation cotton polyester filament and production process thereof
CN203754918U (en) * 2013-12-18 2014-08-06 东群织造(苏州)有限公司 Polyester-polyester composite filament elastic bubble crease fabric
CN105019059A (en) * 2015-07-31 2015-11-04 江苏恒科新材料有限公司 Super-soft superfine polyester fiber and preparation method thereof
CN105951192A (en) * 2016-05-13 2016-09-21 海安县中山合成纤维有限公司 Polyester-polyester hot melt composite filament production method
CN106283253A (en) * 2016-08-31 2017-01-04 江苏恒力化纤股份有限公司 A kind of porous polyester fiber DTY silk and preparation method thereof
CN107287754A (en) * 2017-08-01 2017-10-24 上海三问家居服饰有限公司 A kind of imitative cotton full-dull warp knit pile fabric and its production method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1826373A (en) * 2003-07-03 2006-08-30 罗狄亚特性纤维公司 Mineral fillers for enhancing opacity of thermoplastic polymers
JP2007197887A (en) * 2005-09-30 2007-08-09 Toray Ind Inc Polyamide fiber and method for producing the same
CN102277667A (en) * 2011-08-05 2011-12-14 福建百宏聚纤科技实业有限公司 Super imitation cotton polyester filament and production process thereof
CN203754918U (en) * 2013-12-18 2014-08-06 东群织造(苏州)有限公司 Polyester-polyester composite filament elastic bubble crease fabric
CN105019059A (en) * 2015-07-31 2015-11-04 江苏恒科新材料有限公司 Super-soft superfine polyester fiber and preparation method thereof
CN105951192A (en) * 2016-05-13 2016-09-21 海安县中山合成纤维有限公司 Polyester-polyester hot melt composite filament production method
CN106283253A (en) * 2016-08-31 2017-01-04 江苏恒力化纤股份有限公司 A kind of porous polyester fiber DTY silk and preparation method thereof
CN107287754A (en) * 2017-08-01 2017-10-24 上海三问家居服饰有限公司 A kind of imitative cotton full-dull warp knit pile fabric and its production method

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
张俊彦等: "一种冠醚化合物作为新型润滑油添加剂的抗磨减摩性能研究", 《摩擦学学报》 *
王文广: "《塑料配方设计》", 30 September 2001, 化学工业出版社 *
胡祖明等: "《化学纤维成型机理的探索》", 31 August 2011, 东华大学出版社 *
赵琪: "异形喷丝板的孔形设计方法", 《合成纤维工业》 *
郭合信等: "《纺粘法非织造布》", 30 September 2003, 中国纺织出版社 *
郭大生等: "《聚酯纤维科学与工程》", 31 March 2001, 中国纺织出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3686325A4 (en) * 2017-12-14 2021-06-16 Jiangsu Hengli Chemical Fibre Co., Ltd. Light-weight thermal fiber and preparation method therefor
CN109763224A (en) * 2018-12-27 2019-05-17 江苏恒力化纤股份有限公司 Full-dull washs composite filament and preparation method thereof
CN109763224B (en) * 2018-12-27 2020-08-14 江苏恒力化纤股份有限公司 Full-dull polyester-polyester composite yarn and preparation method thereof
CN110820060A (en) * 2019-12-18 2020-02-21 太仓荣文合成纤维有限公司 Special-shaped spinneret plate and manufacturing method thereof
CN111041658A (en) * 2019-12-29 2020-04-21 江苏恒力化纤股份有限公司 Preparation method of chiffon fabric

Also Published As

Publication number Publication date
CN107988635B (en) 2021-03-19

Similar Documents

Publication Publication Date Title
CN107988635A (en) A kind of full-dull washs composite filament and preparation method thereof
CN104136669B (en) Islands-in-sea type fibre, combined yarn and fibre
CN101586266B (en) Colored non-conventional type polyester monofilament with stable size and preparing method thereof
CN108035010B (en) A kind of summer grade heat wet comfortable polyester fiber FDY and preparation method thereof
CN101525786B (en) Colored profiled polyester multifilament fiber with stable dimension and preparation method thereof
CN108035009A (en) A kind of winter uses wet comfortable FDY, polyester fiber of heat and preparation method thereof
CN107904693A (en) Full-dull network stretch yarn and preparation method thereof
CN107938002A (en) A kind of foreign components composite filament and preparation method thereof
CN105839248A (en) Differential-shrinkage superfine composite draw textured yarn and processing technology thereof
CN103469345A (en) Co-polyester melt direct spun differential shrinkage composite fiber and method for preparing same
CN106087098A (en) A kind of three-dimensional superbright light DTY fiber and processing method thereof
CN107868997A (en) Fused mass directly spinning washs ultra-soft composite filament and preparation method thereof
CN104805519A (en) Production method of polyamide-6 profiled fiber
CN107988640A (en) A kind of lightweight thermal fiber and preparation method thereof
CN108035006A (en) A kind of hygroscopic fibre and preparation method thereof
CN104562250B (en) A kind of different fiber of porous micro Denier nylon 6 three and preparation method and application
CN107904682B (en) Elastic force imitates linen-cotton polyester fiber and preparation method thereof
CN107916462A (en) A kind of sun washs composite filament and preparation method thereof
CN104562240B (en) U-shaped hollow Dacron draw-textured yarn and preparation method thereof
CN107988648A (en) A kind of winter uses wet comfortable DTY, polyester fiber of heat and preparation method thereof
CN104805517B (en) Two-component composite modified imitated fluff flash fiber and preparation method thereof
JP2016204817A (en) Polyamide crimped yarn and manufacturing method thereof
CN108035025A (en) A kind of polyamide composite filaments and preparation method thereof
CN108149341A (en) A kind of easily dye island PTT long filaments and preparation method thereof
CN114164531A (en) Manufacturing method of thermosensitive color-changing spinning

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant