CN102037171A - Multiend package of multifilament polyester bicomponent yarn - Google Patents

Multiend package of multifilament polyester bicomponent yarn Download PDF

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Publication number
CN102037171A
CN102037171A CN2009801184531A CN200980118453A CN102037171A CN 102037171 A CN102037171 A CN 102037171A CN 2009801184531 A CN2009801184531 A CN 2009801184531A CN 200980118453 A CN200980118453 A CN 200980118453A CN 102037171 A CN102037171 A CN 102037171A
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CN
China
Prior art keywords
poly
strand
tpa
terephthalic acid
package
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Granted
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CN2009801184531A
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CN102037171B (en
Inventor
K·L·李
Y·D·阮
R·S·P·梁
P·吴
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Invista Technologies SARL Switzerland
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Invista Technologies SARL Switzerland
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • 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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • D02G3/362—Cored or coated yarns or threads using hollow spindles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/015—Gathering a plurality of forwarding filamentary materials into a bundle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/026—Doubling winders, i.e. for winding two or more parallel yarns on a bobbin, e.g. in preparation for twisting or weaving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B65H55/005—Wound packages of filamentary material with two or more filaments wound in parallel on the bobbin
    • 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
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/32—Side-by-side structure; 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
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • 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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B65H2701/313—Synthetic polymer threads
    • B65H2701/3132—Synthetic polymer threads extruded from spinnerets

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Multicomponent Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

Included are multiend packages of multicomponent yarns, where the yarn is separable into individual ends upon unwinding. The multicomponent yarn may be a bicomponent yarn, such as a yarn including compositionally different polyesters in a side-by-side or eccentric sheath-core configuration. Uses of such multiend packages are also included.

Description

The multiterminal head package of multifilament polyester bicomponent yarn
Invention field
The present invention relates to the multiterminal head package of multiple component yarn, described yarn is separable into single termination when unwinding.More particularly, the present invention relates to the multiterminal head package of polyester bicomponent filaments yarn and the separated type yarn in this class package.The invention still further relates to the method for the multiterminal head package of making separated type polyester bicomponent filaments yarn.
Background of invention
Usually, filament yarn production relates to by spinnerets extrudes plurality of threads, subsequently all long filaments is combined into single strand, subsequently strand is wound in the single package, perhaps long filament is divided into a plurality of long filament bars, subsequently the long filament bar is wound in the single package separately.All a multicomponent strand is wound in the package in both cases.This is also referred to as each package and has one " termination ".
Polyester bicomponent filaments is an elastic filament, and it stretches owing to three-dimensional crimp has and the retraction characteristic.For example at United States Patent (USP) the 3rd, 671, polyester bicomponent filaments is disclosed in No. 379.For example at United States Patent (USP) the 6th, 692, the high speed spinning of the polyester bicomponent filaments that comprises poly-(Polyethyleneglycol Terephthalate) and poly-(terephthalic acid (TPA) propylene diester) is disclosed in No. 687.For example at United States Patent (USP) the 6th, 824, single-ended polyester bi-component fibers package disclosed in No. 869.
United States Patent (USP) the 5th, 524 discloses the winding of a plurality of weaving threads or yarn for No. 841 and has twined and improved, and described improvement has strengthened the separation of twining many weavings of package unspooling operation tow.Except the purposes in the manufacturing of glass fibre and processing briefly has been discussed in the context of this invention, also advise this invention can be used for relating to twine monofilament multifilament is natural or the technology of synthetic material or yarn such as nylon, polyester, boron or carbon fiber or tow in.
United States Patent (USP) the 5th, 665 relates to the synthetic thread production field and discloses a kind of method of making the staple fibre yarn package of a plurality of each separated type yarn end for No. 293.Described method is suitable for melting spinning poly compound, is disclosed as nylon such as nylon-6 and nylon-6 in described patent, and 6, polyester and polyolefin such as polypropylene.
United States Patent (USP) the 6th, 562, No. 456 and the 5th, 723, No. 080 a kind of elasticity multifilament textile is disclosed, it can be divided into each long filament and produce this class method of yarn when unwinding from bobbin.
Usually, 165 dtex yarns with 68 polyester bicomponent filaments are extruded from spinnerets, in quenching, oil, after the stretching, interlacing, it is in single-ended the package that the single strand with 165 dtexs-68 threads is wound into pipe.
The multiterminal head package of yarn (having twined the single yarn package of two or more yarn end promptly) will be significantly to increase yarn to make a kind of approach that productivity ratio reduces investment intensity and manufacturing cost simultaneously.The multiterminal head package of yarn is also beneficial as the cost of warping or the spinning of bag core to reducing the following process operation, because will need still less equipment and capital investment.Yet the technological challenge of producing the multiterminal head package that yarn wherein can constantly separate when unwinding is quite big, all the more so for having the bicomponent filament yarn that curls and stretch retraction character especially.However, still seek the method and the separated type yarn itself of the multiterminal head package of preparation divergence type polyester bicomponent yarn.
The invention summary
In some embodiments, provide a kind of method of producing the package of multiterminal head, described method comprises:
A) by coalescent before single or the coalescent spinnerets in back two or more are formed different polyester melt spinnings to form many parallel types or eccentric sheath core pattern polyester bicomponent filaments;
B) described long filament is grouped at least two strands, each strand comprises more than a threads;
C) with the described strand of reeling greater than the speed of about 300m/min;
D) make each strand interlacing;
E) described strand is combined into the strand bundle; With
F) with speed described strand bundle is wound on the tube core greater than about 300m/min;
Wherein said strand bundle is separable at least two independent strands and described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
In another embodiment, provide a kind of method of producing the package of multiterminal head, described method comprises:
A) by coalescent before a plurality of or the coalescent spinnerets in back two or more are formed different polyester melt spinnings to form many parallel types or eccentric sheath core pattern polyester bicomponent filaments in single spinning position;
B) described long filament is grouped at least two strands, each strand is made up of plurality of threads;
C) with the described strand of reeling greater than the speed of about 300m/min;
D) with each strand interlacing;
E) a plurality of groups with at least two strands are combined into a plurality of strand bundles; With
F) use conventional multireel dress up-coiler that each strand bundle is wound on the tube core;
Wherein each strand bundle is separable at least two strands and described bicomponent filament and comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and gathers (butylene terephthalate) or these members.
In yet another embodiment, provide a kind of method of producing the package of multiterminal head, described method comprises:
A) form at least two strands by two or more parallel types or eccentric sheath core pattern polyester bicomponent filaments;
B) described strand is combined into the strand bundle; With
C) described strand bundle is wound on the tube core;
Wherein said strand bundle is separable at least two strands and described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
Also comprise a kind of strand bundle that comprises at least two strands, each strand comprises many parallel types or eccentric sheath core pattern polyester bicomponent filaments, wherein said strand bundle is separable at least two strands, and described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
Another embodiment provides the package of a kind of multiterminal head, it comprises the strand bundle that is wound on the tube core, wherein said strand bundle is separable at least two strands, each strand comprises many parallel types or eccentric sheath core pattern polyester bicomponent filaments, and described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
The accompanying drawing summary
Fig. 1 is the yarn spinning of some embodiments and the sketch of winding system.
The high speed winder diagrammatic side views that Fig. 2 uses for spinning and winding system with some embodiments.
Fig. 3 is the sketch by multiterminal head package preparation bag core spinning polyester bicomponent.
Fig. 4 coats the sketch of (hollow spindle covering) from the hollow ingot of the polyester bicomponent of multiterminal head package for use.
Fig. 5 is the sketch of use from the knitting method of the polyester bicomponent of multiterminal head package.
Detailed Description Of The Invention
Have now found that the package of a plurality of terminations that comprise the polyester bicomponent filaments yarn can be when unwinding the yarn mode that is separable into a plurality of each strands make, each strand comprises many bicomponent filaments.The package of described multiterminal head can replace a plurality of single-ended packages directly to use in the method as warping, circular knitting, woven or bag core spinning, and its providing convenience property has also been saved cost.Described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
For purposes of the present invention, following term has as giving a definition:
POY (partially oriented yarn): draw ratio is less than the normal so that polymer molecule machine-direction oriented filament yarn of part only.
FOY (being orientated yarn fully): opposite with POY, draw ratio is normal so that the complete machine-direction oriented filament yarn of polymer molecule.
DW (stretching and winding): the elongate filaments yarn is with the operation of alignment ordered molecular and crystalline texture.The drawing of reeling on cylindrical tube or flat cylindricality bobbin produces zero twisted yarn.
DTY (stretcher strain yarn): in it is made, stretch to increase molecularly oriented and to give the filament yarn that curls with the synchronous processing that increases volume.
DT (stretcher strain): in the manufacturing of thermoplastic fibre, stretch to increase molecularly oriented and to give the synchronous processing of curling with the increase volume.
Many: as to have or relate to many individualities, long filament, strand and termination.
Multifilament: opposite with the monofilament that is one, the yarn of forming by many long filaments or tow.Most of textile filament yarns are multifilament.
Multicomponent: fiber is by forming more than a kind of polymer.In some embodiments, these polymer be mainly poly-(Polyethyleneglycol Terephthalate) (2GT), poly-(terephthalic acid (TPA) propylene diester) (3GT) and poly-(butylene terephthalate) (4GT) or these members' combination.
Cladded yarn: the yarn that makes by splice around long filament fiber thereby hiding core.An example is that wherein the heart yarn line is that elastomeric yarn (as 2GT 3GT bi-component) is that cotton fiber is to obtain desirable touch aesthetic to obtain stretching-retraction characteristic and twisted fibers.
Be adapted at making the size of directly using in the cladded yarn: usually, the heart yarn line that is used for CSY (cladded yarn) is the Spandex fiber yarn, and its package size is significantly smaller than the polyester bicomponent yarn.Therefore, when the polyester bicomponent yarn substituted the Spandex fiber yarn, creel in the CSY machine or space were not useable for a yarn package is placed on the spinning position.
Elastomer: synthetic fiber with natural rubber character such as high tensility and nerve.
Hard yarn: opposite with elastomer, the synthetic fiber that do not have natural rubber character such as tensility and nerve.
Spandex fiber: the manufacturing fiber of the long-chain synthetic polymer that at least 85% block polyurethane constitutes that wherein becomes fine material to serve as reasons.
Two kinds of polymer that " bicomponent filament " used herein is meant same general classification wherein are along the fibre length tight long filament of adhesion each other, so that the fibre section for example can be formed with other suitable cross section of curling for parallel type, eccentric sheath core pattern or by it.
Two kinds of components that " parallel type " used herein is meant bicomponent fiber directly adjacent to each other and be that the sub-fraction of arbitrary component is in the concave portions of another component." eccentric sheath core pattern " is meant that one of described bi-component surrounds another component fully, but described bi-component disalignment.
" strand " used herein is meant one group two or more bicomponent filaments.The long filament of strand is as group processing together." termination " used herein is meant each fiber, yarn or strand." strand " used herein can exchange with " termination ".In conventional fibre spinning and winding method, single strand is wound on the singulated dies usually to generate " single-ended head " package.Single-ended the package that generates by conventional program also is called " termination of each package ".
" strand bundle " used herein is meant to combine and forms at least two strands that the multicomponent entity is the strand bundle.The strand bundle still can be separated at least two each strands (termination)." strand bundle " used herein also refers to the yarn be made up of at least two terminations.
" yarn " used herein is meant knitting to be suitable for, woven or other twisted and forms the continuous thread of textile fabric, long filament or the material of textile fabric form.
" package of multiterminal head " used herein is meant the strand bundle that is wound on the tube core.
Polyester bicomponent filaments comprise weight ratio be about 30: 70 to about 70: 30 poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and gathers (butylene terephthalate) or this class members.Described polymer for example can be poly-(Polyethyleneglycol Terephthalate) and poly-(terephthalic acid (TPA) propylene diester), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or poly-(terephthalic acid (TPA) propylene diester) and poly-(terephthalic acid (TPA) propylene diester) (for example having different qualities viscosity), but various combination also is possible.Perhaps, described composition can be similar, for example gathers (terephthalic acid (TPA) propylene diester) all polyester and poly-(terephthalic acid (TPA) propylene diester) copolyesters, chooses wantonly also to have different viscosities.The combination of other polyester bicomponent also is possible, for example the equal polyester and gather (Polyethyleneglycol Terephthalate) copolyesters of the combination of poly-(Polyethyleneglycol Terephthalate) and poly-(butylene terephthalate) or poly-(Polyethyleneglycol Terephthalate) and poly-(Polyethyleneglycol Terephthalate) (for example having different qualities viscosity) or poly-(Polyethyleneglycol Terephthalate).Mark used herein " // " is made two kinds of polymer that use in the bicomponent filament in order to separate.Thereby for example " poly-(Polyethyleneglycol Terephthalate) // poly-(terephthalic acid (TPA) propylene diester) " shows that bicomponent filament comprises poly-(Polyethyleneglycol Terephthalate) and poly-(terephthalic acid (TPA) propylene diester).
One of in the described polyester or both can be copolyesters, and " poly-(Polyethyleneglycol Terephthalate) ", " poly-(butylene terephthalate) " and " poly-(terephthalic acid (TPA) propylene diester) " are included in this interior class copolyesters of its implication.For example, can use copolymerization (Polyethyleneglycol Terephthalate), wherein be selected from straight chain, ring-type and side chain aliphatic dicarboxylic acid (with its diester) with 4-12 carbon atom (for example succinic acid, glutaric acid, adipic acid, dodecanedioic acid and 1,4-cyclohexyl dicarboxylic acid) in order to the comonomer for preparing described copolyesters; Non-terephthalic acid (TPA) and have the aromatic dicarboxylic acid (with its diester) (for example M-phthalic acid and 2,6-naphthalenedicarboxylic acid) of 8-12 carbon atom; Straight chain, ring-type and side chain aliphatic diol (for example 1, ammediol, 1,2-propylene glycol, 1,4-butanediol, 3-methyl isophthalic acid, 5-pentanediol, 2,2-dimethyl-1, ammediol, 2-methyl isophthalic acid, ammediol and 1,4-cyclohexanediol) with 3-8 carbon atom; With the aliphatic series with 4-10 carbon atom and araliphatic ether glycol (for example two (2-hydroxyethyl) ethers of quinhydrones or molecular weight are lower than poly-(ethyleneether) glycol of about 460 comprise diethylidene ether glycol).Described comonomer can exist in the degree of not damaging benefit of the present invention, and for example calculating amount based on the total polymer composition is about 0.5-15 mole %.M-phthalic acid, glutaric acid, adipic acid, 1, ammediol and 1,4-butanediol are Exemplary comonomers.
Also available a spot of other comonomer preparation of described (one or more) copolyesters, condition is that this class comonomer can not have a negative impact to the physical property of fiber.Other comonomer of this class comprises sodium salt and its dialkyl of 5-sulfoisophthalic acid sodium, 3-(2-sulfo group ethyl) adipic acid, and it can calculate about 0.2-5 mole % based on total polyester and add.In order to improve sour dyeability, also (being total to) polyester can be mixed with polymer-type secondary amine additive, for example will gather (6,6 '-imino group-two 1,6-hexylidene terephthalamide) and its copolyamide and hexamethylene diamine, preferably its phosphoric acid and phosphite mix.Three or the four sense comonomers (for example trimellitic acid (comprising its precursor) or pentaerythrite) that can add for example about on a small quantity 1-6 milliequivalent/kg polymer are used for viscosity Control.
Described polyester bicomponent filaments also can comprise conventional additives such as antistatic additive, antioxidant, antiseptic, fire retardant, lubricant, dyestuff, light stabilizer and delustering agent such as titanium dioxide, the benefit of the present invention as long as they do not detract.
Outer cross shape to bicomponent filament does not have specific limited, and it can be non-circular, circular, ellipse, triangle, " snowman " shape etc. substantially." oval substantially " used herein is meant that the transverse cross-sectional area perpendicular to the long filament of fiber longitudinal axis measurement departs from elliptical shape less than about 20%.Generic term " ellipse " is included in " avette " (egg type) and " ellipse " in its implication.This shape has usually by rectangular two axles in shape center: major axis (A) and minor axis (B), wherein the length of major axis A is greater than the length of minor axis B.Under perfect oval particular case, ovally describe by and the locus of points that equal A constant apart from sum apart from two points.Under avette more general case, an oval-shaped end can be bigger than the other end, make apart from two points needn't be constant apart from sum and can depart from and ovally change 20% or more." snowman " used herein shape of cross section can be described as have major axis, minor axis and when with respect to long-axis plotting, have at least two peaked parallel type cross sections on the length of minor axis.
The cross-sectional perimeter of bicomponent filament can have constant curvature and maybe may not have constant curvature.The shape of cross section of bicomponent filament may have groove or may not have groove in cross-sectional perimeter.Example with shape of cross section of groove has " snowman ", " crenation-ellipse " and " keyhole ".
" polymer interface " used herein is meant the border between the polymer of bicomponent filament.Described polymer interface can be straight line or curve substantially.For the shape of cross section with major axis and minor axis, bicomponent filament can have the polymer interface that is basically perpendicular to the cross section major axis or be basically parallel to the polymer interface of cross section major axis.
Described bicomponent filament has the curling potential energy of about 30%-about 90% for example about 60%-about 80%.The described difference originate from polymer of curling is shunk, and bicomponent fiber is made by different polymer and owing to different shrinkage factors are curled.Specifically, described be crimped onto bicomponent filament applied reach maximum when hot.
The polyester yarn that can comprise different colours in some embodiments.Can color be added in the polyester by using dyestuff and/or pigment.For example, black yarn can prepare by adding carbon black.Usually add these additives in polymer and it is mixed.
Fig. 1 shows an embodiment of the yarn device for spinning 10 be used to provide the method for producing the package of multiterminal head, and described method comprises by coalescent before the single or coalescent spinnerets 14 in back forms different polymer 12A and 12B melt spinning to form many parallel types or eccentric sheath core pattern polyester bicomponent filaments with two or more.Generate a plurality of yarn end 16a-16f, it comprises plurality of threads separately.Can oil by spinning oil-feeding device 19.Yarn end 16a-16f passes shock chamber 18.Can and make it pass the interlacing machine 20 that comprises pressure fluid subsequently in drawing termination, G1-G3 place.Two or more yarn end make up at the converging guide place subsequently to form multiterminal head bundle and to be wound on the package 28a.These multiterminal head bundles are separable into initial yarn end.
Fig. 2 provides more details.Among combination 16a and 16b, 16c and 16d and 16e and the 16f each is twined it to form multiterminal head package 28c, 28b and 28a respectively to form multiterminal head bundle 24c, 24b and 24a respectively.When being placed creel, described package, obtains two strands from each multiterminal head package so that during unwinding.In these strands each can be delivered to different spinning position so that following process.
Show feature of the present invention and advantage more all sidedly by following examples, following examples provide for purpose of explanation and it should be interpreted as and limit the present invention by any way.
Embodiment
The multiterminal head package of the strand of individual 55 dtexs of embodiment 1-2 and 34 threads
In order to prepare two multiterminal head packages that have the strand of 55 dtexs and 34 threads separately, have each strand of 68 threads and be divided into two strands that have 34 threads separately by single spinnerets preparation.Therefore, each strand has 34 threads.For the yarn device for spinning with 6 spinneretss, 6 strands become 12 strands a spinning position.
Each strand (12 altogether have 34 threads separately) has its oneself yarn path on roller and all facilities.All 12 strands are independently.After passing the interlacing spout, 2 strands accumulate a strand by converging guide, and this compiles strand and is wound on the yarn package by up-coiler subsequently.This provides has two 6 multiterminal heads packages from the termination of the strand that has 55 dtexs and 34 threads separately separately.
The multiterminal head package of the strand of individual 27 dtexs of embodiment 2-2 and 17 threads
In order to prepare two multiterminal head packages that have the strand of 27 dtexs and 17 threads separately, have each strand of 34 threads and be divided into two strands that have 17 threads separately by single spinnerets preparation.Therefore, each strand has 17 threads.For the yarn device for spinning with 6 spinneretss, 6 strands become 12 strands a spinning position.
Each strand (12 altogether have 17 threads separately) has its oneself yarn path on roller and all facilities.All 12 strands are independently.After passing the interlacing spout, 2 strands accumulate a strand by converging guide, and this compiles strand and is wound on the yarn package by up-coiler subsequently.This provides has two 6 multiterminal heads packages from the termination of the strand that has 27 dtexs and 17 threads separately separately.
Embodiment 3-is used to wrap the multiterminal head package of core spinning
Fig. 3 represents to be used to wrap the multiterminal head package 28c of core spinning technique.Described yarn is driven by two transfer rollers 38 so that separates with 16b also from two multiple component yarn 16a of multiterminal head package 28c and tangentially is unwound on the deflector roll 30, multiple component yarn 16a that deflector roll 30 guidings separate and 16b are to its corresponding preliminary roller 35 of spinning position, and wherein polyester multiple component yarn and slubbing staple fibre (staple roving fiber) 2 combinations are to form independent cladded yarn package 4.
Embodiment 4-is used for the multiterminal head package that the hollow ingot coats
Fig. 4 represents to be used for the multiterminal head package of hollow ingot cladding process.Multiterminal head package 28 is driven by two transfer rollers 38 and two multiple component yarn 16a and 16b tangentially are sent to each thread eye 42 of corresponding spinning position.The multiple component yarn 16a and the 16b that separate pass from second transfer roller 40 respectively, pass spinning ingot 44 subsequently, and described spinning ingot 44 has hollow tube and has the inelastic yarn package outside 46 in the center.The spinning behavior of ingot discharges inelastic yarn and the multiple component yarn and be wound up into to coat in the package 48 by the 3rd transfer roller 41 and be used for other application of reeling.
Embodiment 5-is used for circular knitting multiterminal head package
Fig. 5 represents to be used for circular knitting multiterminal head package 28.Multiterminal gauze kerchief worn on a woman's head line 16a in the package 28 and 16b transmit and are separated to each automatic stop arrangement 54 of corresponding knitting position with constant speed by two transfer rollers 38.Yarn 16a that separates and 16b arrive thread-carrier 52 and arrive knitting needle 58 from deflector roll 50.Hard yarn package 60 usefulness charging rate adjusting devices 56 provide hard yarn to be used for knitting clothes or the fabric that comprises hard yarn and elasticity bi-component yarn to thread-carrier 52 separately.
Embodiment 3,4 and 5 has with constant and predetermined speed and drives the equipment of multiterminal head package with tangential transmission multiple component yarn.The drawing-off of multiple component yarn: for optimization process efficient, the package of multiterminal head usually in the 1X-1.2X scope, is generally 1.01X-1.1X with respect to the transmission speed of inelastic yarn.
Though described the content that is considered to the preferred embodiments of the invention at present, but person of skill in the art will appreciate that and under the situation that does not break away from spirit of the present invention, this to be changed and to revise that purpose is to comprise that all these classes that belong to true scope of the present invention change and modification.

Claims (28)

1. method of producing the package of multiterminal head, described method comprises:
A) by coalescent before single or the coalescent spinnerets in back two or more are formed different polyester melt spinnings to form many parallel types or eccentric sheath core pattern polyester bicomponent filaments;
B) described long filament is grouped at least two strands, each strand comprises more than a threads;
C) with the described strand of reeling greater than the speed of about 300m/min;
D) make each strand interlacing;
E) described strand is combined into the strand bundle; With
F) with speed described strand bundle is wound on the tube core greater than about 300m/min;
Wherein said strand bundle is separable at least two independent strands and described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
2. the method for claim 1, it also comprises to stretch described strand and to twine described strand bundle greater than the speed of about 420m/min greater than about 1.2 draw ratio.
3. the method for claim 2, it also is included in the described strand of heat treatment under the about 100 ℃-Yue 200 ℃ temperature.
4. method of producing the package of multiterminal head, described method comprises:
A) by coalescent before a plurality of or the coalescent spinnerets in back two or more are formed different polyester melt spinnings to form many parallel types or eccentric sheath core pattern polyester bicomponent filaments in single spinning position;
B) described long filament is grouped at least two strands, each strand is made up of plurality of threads;
C) with the described strand of reeling greater than the speed of about 300m/min;
D) with each strand interlacing;
E) a plurality of groups with at least two strands are combined into a plurality of strand bundles; With
F) use conventional multireel dress up-coiler that each strand bundle is wound on the tube core;
Wherein each strand bundle is separable at least two strands and described bicomponent filament and comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and gathers (butylene terephthalate) or these members.
5. the method for claim 4, it also comprises to stretch described strand and to twine described strand bundle greater than the speed of about 420m/min greater than about 1.2 draw ratio.
6. the method for claim 5, it also is included in the described strand of heat treatment under the about 100 ℃-Yue 200 ℃ temperature.
7. method of producing the package of multiterminal head, described method comprises:
A) form at least two strands by two or more parallel types or eccentric sheath core pattern polyester bicomponent filaments;
B) described strand is combined into the strand bundle; With
C) described strand bundle is wound on the tube core;
Wherein said strand bundle is separable at least two strands and described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
8. the method for claim 7, wherein said package have and are adapted at making the size of directly using in the cladded yarn.
9. the method for claim 8, wherein said package have and meet the device size that is used to wrap core spinning Spandex fiber yarn.
10. each method among the claim 1-9, wherein said bicomponent filament comprise poly-(Polyethyleneglycol Terephthalate) and poly-(terephthalic acid (TPA) propylene diester).
11. each method among the claim 1-9, wherein said bicomponent filament comprise poly-(terephthalic acid (TPA) propylene diester) and poly-(terephthalic acid (TPA) propylene diester).
12. each method among the claim 1-9, wherein said bicomponent filament comprise poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate).
13. strand bundle, it comprises at least two strands, each strand comprises many parallel types or eccentric sheath core pattern polyester bicomponent filaments, wherein said strand bundle is separable at least two strands, and described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
14. the strand bundle of claim 13, wherein said long filament has the shape of cross section of the circle of being selected from, ellipse or snowman or this class members's combination.
15. the strand bundle of claim 13, wherein said long filament has non-circular transverse cross-section.
16. the strand bundle of claim 13, wherein the DENIER number of each strand is about 10-about 300.
17. the strand bundle of claim 13, wherein filament denier is about 0.50-about 20.
18. the strand bundle of claim 13, wherein said strand have at least 30% curling potential energy.
19. the strand bundle of claim 13, wherein said bicomponent filament comprise poly-(Polyethyleneglycol Terephthalate) and poly-(terephthalic acid (TPA) propylene diester).
20. the strand bundle of claim 13, wherein said bicomponent filament comprise poly-(terephthalic acid (TPA) propylene diester) and poly-(terephthalic acid (TPA) propylene diester).
21. the strand bundle of claim 13, wherein said bicomponent filament comprise poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate).
22. multiterminal head package, it comprises the strand bundle that is wound on the tube core, wherein said strand bundle is separable at least two strands, each strand comprises many parallel types or eccentric sheath core pattern polyester bicomponent filaments, and described bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and at least a combination of polymers that is selected from poly-(Polyethyleneglycol Terephthalate), poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate) or these members.
23. having, the package of claim 22, wherein said package be adapted at making the size of directly using in the cladded yarn.
24. the multiterminal head package of claim 22 or 23, wherein said bicomponent filament comprise poly-(Polyethyleneglycol Terephthalate) and poly-(terephthalic acid (TPA) propylene diester).
25. the multiterminal head package of claim 22 or 23, wherein said bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and poly-(terephthalic acid (TPA) propylene diester).
26. the multiterminal head package of claim 22 or 23, wherein said bicomponent filament comprises poly-(terephthalic acid (TPA) propylene diester) and poly-(butylene terephthalate).
27. multiterminal head package of making by claim 1,4 or 7 method.
28. the strand bundle of a multiterminal head package of making by claim 1,4 or 7 method.
CN2009801184531A 2008-03-20 2009-03-19 Multiend package of multifilament polyester bicomponent yarn Expired - Fee Related CN102037171B (en)

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