CN108239807A - The fluffy processing tow of core-sheath-type and its manufacturing method - Google Patents
The fluffy processing tow of core-sheath-type and its manufacturing method Download PDFInfo
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- CN108239807A CN108239807A CN201611206704.XA CN201611206704A CN108239807A CN 108239807 A CN108239807 A CN 108239807A CN 201611206704 A CN201611206704 A CN 201611206704A CN 108239807 A CN108239807 A CN 108239807A
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- fluffy
- fiber
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- sheath
- processing tow
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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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
-
- 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
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Abstract
The invention discloses a kind of fluffy processing tow of core-sheath-type, the fluffy processed filament formed in tow containing N roots by core filaments and sheath silk by air entangling process integration, and the core filaments of fluffy processed filament and sheath silk it is at least one be the combined yarn formed by high-melting fibre and low-melting fiber；Melt bonded point containing dispersion in the fluffy processing tow, N is more than 1.The fluffy processing tow of the present invention, bulkiness is excellent, not only the characteristic with lightweight heat-preserving, also with soft smooth style, while machine washable superior performance, natural feather can be substituted and used as filler purposes.
Description
Technical field
The present invention relates to a kind of fluffy processing tow with excellent specific properties such as high fluffy, compression ratio and response rates, should
For packing material.
Background technology
On market today, in the insulation filling materials of numerous kinds, natural feather is high-quality thermal insulating filler.The bulkiness of feather
Excellent and heat-insulating property is high, for a long time in occupation of the status of the advanced material for the feather products that quilt or Feather clothing is made.
But natural feather comes from aquatic bird, there is many defects.For example, 1. production cost is high, supply amount has
Limit, and easily by the market supply and demand large variation occurs for its price；2. large amount of sewage, waste water etc. can be generated in production process, from
And the problem of bringing pollution environment, if feather washing is insufficient, stench can be led to, it is therefore desirable to will lead to stench in advance
Dirt removes；3. being difficult to wash, most down products should not machine-wash, and since the fabric density of natural feather is big, be taken with laundry washer
Can stick out and float on the water surface causes not washing clean, while natural feather offset, which also easily occurs, causes local warmth retention property to be deteriorated.Though
So the drawbacks described above of natural down is not present in common pure cotton filler, but because its is thick and heavy, warmth retention property is poor, without being widely used in
Clothing is filled.
Chemical fibre filler such as pearl cotton etc. had not only had the style of the light weight of natural down, but also with fungi-proofing moisture-proof, cost
The advantages of stable, cheap etc., but its bulkiness is high not enough,
Warmth retention property also differs greatly with natural feather, while is not easy to machine-wash.
Chemical fibre filler such as pearl cotton etc. had not only had the style of the light weight of natural down, but also with fungi-proofing moisture-proof, cost
The advantages of stable, cheap etc., but its bulkiness is high not enough, and warmth retention property also differs greatly with natural feather, while is not easy to machine
It washes.
Chinese patent CN186187A discloses a kind of down-like cotton of staple fiber type, but staple fiber filling cotton is fluffy
Degree is not high, and there are granular sensation during the touch for the thermal insulation material made, while when staple fiber type down-like cotton washs easily occurs partially
It moves.
Chinese patent CN103097280A discloses a kind of filler body, and internal filler is by fancy yarn with core filaments
The long fibre filling cotton that integration forms, fancy yarn form fibrae circulares by fibrillation, are washed to improve staple fiber type down-like cotton
The problem of easily shifting when washing.Also disclosed that in the patent in core filaments or fancy yarn contain by it is with different melting point two or more
Polymer form composite fibre, it is that the core sheath that core low melting point polymer is sheath is compound specifically to list high-melting-point polymer
The situation of melt bonded fiber.But the twisting integration for first carrying out core filaments and fancy yarn is needed to carry out again at the fibrillation of fancy yarn
There is shortcoming in the processes such as reason, complex process, and long fibre filling cotton bulkiness, flexibility, compressed recovery etc..
In conclusion in order to meet the market requirement, there is an urgent need to develop a kind of novel packing materials to replace natural feather.
Invention content
The purpose of the present invention is to provide a kind of fluffy processed filaments of the excellent specific properties such as high fluffy, compression ratio and response rate
Beam and its manufacturing method.
The fluffy processing tow of core-sheath-type of the present invention is to process one by air entangling by core filaments and sheath silk containing N roots
Change the fluffy processed filament formed, and the core filaments of fluffy processed filament and sheath silk at least one are by high-melting fibre and low-melting fiber
The combined yarn of formation；Melt bonded point containing dispersion in the fluffy processing tow, N is more than 1.
The fluffy processing tow of the present invention, the sheath silk of preferably fluffy processed filament is by high-melting fibre and low-melting fiber shape
Into combined yarn；Core filaments are the long filament that high-melting fibre is formed.
The fluffy processing tow of the present invention, the eutectic in the combined yarn preferably formed by high-melting fibre and low-melting fiber
The weight ratio that point fiber accounts for combined yarn is 0.1~50 wt%.
The fluffy processing tow of the present invention, preferably sheath silk total amount account for the weight ratio of fluffy processing tow total amount for 60~
99wt%。
The fluffy processing tow of the present invention, preferably the fusing point difference of the high-melting fibre in combined yarn and low-melting fiber are 20
DEG C~150 DEG C.
The fluffy processing tow of the present invention, the preferably high-melting fibre in combined yarn are polyester fiber；Low-melting fiber is
Modified copolymer closes at least one of low-melting point polyester, polypropylene, polyethylene or nylon fiber
The fluffy processing tow of the present invention, the quantity of the melt bonded point of dispersion preferably contained in tow is 1~40/cm.
The fluffy processing tow of the present invention, the core filaments of preferably fluffy processed filament and the fiber number of sheath silk are 20~300dtex.
The fluffy processing tow of the present invention, the Gao Rong in the combined yarn preferably formed by high-melting fibre and low-melting fiber
Point fiber is doughnut, and the hollow rate of more preferable high-melting fibre is 20~50%, and most preferably high-melting fibre is in nature
It is the curly form of 3 D stereo down.
The fluffy processing tow of the present invention preferably processes the curly form that tow is 3 D stereo in its natural state, and
The radius of curvature of curly form is 3mm~15mm.
The fluffy processing tow of the present invention, the bulkiness by IDFB tests are 400~800inch3/30g。
The fluffy processing tow of the present invention, can manufacture to obtain by the following method.The method comprises the following steps：
（1）The feed rate that sheath fiber and core fibre are more than to core by respective feeding unit with sheath respectively enters same air
In winding apparatus, sheath fiber and core fibre fibrillation and mutually it is entwined as fluffy processed filament；The sheath fiber and core fibre are extremely
A kind of less is the combined yarn formed by high-melting fibre and low-melting fiber；
（2）Obtained fluffy processed filament progress N roots are merged to form fluffy machining strip-like food；
（3）Obtained fluffy machining strip-like food is adhered into silicon systems smooth agent by coating process, it is smooth then will to be attached with silicon systems again
The fluffy machining strip-like food of agent carries out fixation treatment through superheated header, obtains fluffy processing tow.
The method preferably carries out the fluffy processed filament that step 1 obtains after giving heat treatment, then carries out N roots again and merges shape
Into fluffy machining strip-like food.
That is, in the manufacturing method of the fluffy processing tow of the present invention, sheath fiber and core fibre are formed fluffy
Machining strip-like food carries out coating process attachment silicon systems smooth agent before processing, can carry out giving heat treatment, can not also carry out giving hot place
Reason.It is preferred that it carries out giving heat treatment.
Not only anti-caking deforms the bulkiness processed filament of the present invention, is not afraid of and damages by worms, and fungi-proofing moisture-proof, price is stabilized, do not bore suede, is dry
It is dry fast, water-fastness, the advantages that Machine Washable, while also have the characteristics that quite slim and graceful with the high-loft of natural feather, quality.
Description of the drawings
Fig. 1 is the photo of the fluffy processing tow of the present invention under an optical microscope.
Specific embodiment
A kind of core-sheath-type the purpose of the present invention is to provide excellent specific properties such as high fluffy, compression ratio and response rates is fluffy
Tow is processed, which contains the fluffy processed filament that N roots are formed by core filaments and sheath silk by air entangling process integration,
And the core filaments and sheath silk of fluffy processed filament are at least one by high-melting fibre and the combined yarn formed with low-melting fiber；It is described
Melt bonded point containing dispersion in fluffy processing tow, N are more than 1.
The fluffy processing tow of core-sheath-type of the present invention contains the fluffy processed filament of N roots, and N is more than 1.From warmth retention property and light weight
Consider, preferably N is more than 6, and more preferable N is more than 9, the filler body of such fluffy processing tow has been used, when washing
The offset of internal packing material can very little.
Heretofore described high-melting fibre and be to be mutually related with low-melting fiber, do not mean that special value with
The fiber of upper or following fusing point, and refer to that there are two kinds of fibers of certain fusing point difference.Can also be expressed as the high fiber of fusing point and
Low-melting fiber.The range of the fusing point difference is preferably 20 DEG C~150 DEG C, if fusing point difference is higher than 20 DEG C, fluffy processing
The quantity that tow forms melt bonded point can meet invention needs；If 150 degree, the heat resistance of low-melting fiber is unlikely
In its processability of influence, thus as preferred.From feel and from the point of view of resisting offset, further preferred fusing point difference is 20
DEG C~100 DEG C.
The fluffy processing tow of core-sheath-type of the present invention is low in the combined yarn contained in tow because have passed through heat treatment
Partial melting has occurred in melting-point fibers, is presented as part itself to melt, and partly melts disconnected, is partly bonded in the high fiber of fusing point
On, so that foring the melt bonded point of dispersion in fluffy processing tow.
In the fluffy processing tow of the present invention, the weight ratio that the low-melting fiber in combined yarn accounts for combined yarn ranges preferably from
0.1~50wt%.When the content of low-melting fiber in combined yarn is in the range of 0.1~30wt%, melt bonded number is enough,
And the washing offset of manufactured goods is small, thus as more preferable.And higher than 30wt% when, although could be used that, compare and
Speech, melt bonded point is on the high side, and the fluffy degree of fluffy processed filament is relatively low, and feel is slightly worse.
In the fluffy processing tow of core-sheath-type of the present invention, sheath silk account for fluffy processed filament weight ratio range be preferably 60~
99wt%, more preferable 80~99wt%.When the weight ratio of sheath silk is less than 60wt%, the fluffy degree for processing tow is slightly lower.
The fluffy processed filament of the fluffy processing tow of core-sheath-type of the present invention is formed, core filaments and sheath silk at least one are by height
Melting-point fibers and the combined yarn with low-melting fiber composition.When core filaments and sheath silk be individually or all by high-melting fibre and with it is low
During the combined yarn of melting-point fibers composition, after heat treatment, partial melting has occurred in the low-melting fiber in combined yarn, is presented as portion
It is divided into itself to melt, partly melts disconnected, be partly bonded on the high fiber of fusing point, so as to form what is disperses in fluffy processing tow
It is melt bonded, achieve the effect that the present invention is expected.Melt bonded point can improve the fibrae circulares that sheath silk is formed by fibrillation
Stability, improve compressive recovery rate, in addition to this, when as insulation filling materials, melt bonded point can improve and its face
The frictional force of contact is expected, so as to the offset in the case of inhibiting the insulation filling materials many, such as washing offset, dress offset etc..
The melt bonded point disperseed in the fluffy processing tow, distribution are preferably 1~40/cm, these
The melt bonded point of dispersion is fixed with good effect under the premise of bulkiness is not influenced, to the shape of fluffy processing tow.
The melt bonded point of dispersion is very few, and shape anchor effect is inadequate；The melt bonded point of dispersion is excessive, although shape anchor effect
It is good, but bulkiness, soft right property etc. are suppressed.Melt bonded points are more, and the i.e. resistance offset effect of shape fixation is better, but
It is that comparatively feel is partially hard, bulkiness is slightly poor.To sum up consider, more preferable 1~20/cm.Control melt bonded o'clock 20/
If below cm, feeling is better for manufactured fluffy processed filament beam, bulkiness higher.
The fluffy processed filament of the fluffy processing tow of core-sheath-type of the present invention is formed, preferably sheath silk is by high-melting fibre and low
The combined yarn that melting-point fibers are formed；Core filaments are the long filament that high-melting fibre is formed.High-melting fibre in the combined yarn of sheath silk and
The high-melting fibre of core filaments may be the same or different, but need to meet its fusing point higher than the fusing point of low-melting fiber
Condition.
The fluffy processing tow of core-sheath-type of the present invention, the fusing point of high-melting fibre and low-melting fiber in combined yarn are poor
It is 20 DEG C~150 DEG C, preferably 20 DEG C~100 DEG C.As long as meet the polymer of above-mentioned condition, it is possible to two as the present invention
The fibre-forming polymer of kind fiber uses.What can specifically be enumerated is that the polyester fiber of conventional melting point and the modified copolymer of low melting point close
Polyester, the combination of polyester fiber and polypropylene fibre or polypropylene fibre and polyethylene fibre of conventional melting point etc..
High-melting fibre of the present invention is preferably polyester fiber, and low-melting fiber is that fusing point is slightly for high-melting fibre
Low fiber, preferably modified copolymer close at least one of low-melting point polyester, polypropylene, polyethylene or nylon fiber.
The fluffy processing tow of the present invention, the Gao Rong in the combined yarn preferably formed by high-melting fibre and low-melting fiber
Point fiber, section can be the one or several kinds in round, hollow, triangle, cross, eight leaves etc.；Preferably doughnut.It is high
Main composition of the melting-point fibers as fluffy processing tow, performance is to having used the weight of the filler body of tow of the present invention
Amount and heat-insulating property, there is conclusive effect.Preferably if doughnut, the light weight and heat insulating ability of filler body all can
Have and significantly improve.
The fluffy processing tow of the present invention, the light weight sense of the higher processing tow of degree of hollowness of high-melting-point doughnut are brighter
It is aobvious, fluffy degree is higher.But if degree of hollowness is excessively high, fiber fabrication process is complicated, and is easily deformed, low quality, produces
Rate is low.In view of stability of spinning process, fibrous mechanical property etc., the preferably hollow rate of high-melting-point doughnut is 20~50%, more
It is preferred that 25~45%.
The fluffy processing tow of the present invention, the low melting point fibre in the combined yarn is formed by high-melting fibre and low-melting fiber
Dimension can be middle real fiber, or doughnut.
The fluffy processing tow of the present invention, preferably high-melting-point doughnut are the curl shape of 3 D stereo in its natural state
Shape.
So as to which the fluffy processing tow is it is also preferred that be in its natural state the curly form of 3 D stereo, and curl shape
The radius of curvature of shape is 3mm~15mm.If radius of curvature is too small, bulkiness is poor, if too big, can not embody 3 D stereo effect
Fruit, influences bulkiness, and compressive recovery rate is low.For lofting effect and compression reaction effect, radius of curvature is preferably 4mm
~12mm.
As the present invention preferred configuration, formed core-sheath-type it is fluffy processing tow fluffy processing tow in sheath silk be by
The combined yarn that high-melting fibre and low-melting fiber are formed；Core filaments are the long filament that high-melting fibre is formed.Under this form, bulkiness
Processed filament mesotheca silk and core filaments are intersected, and the sheath filament fiber that the combined yarn for containing the fusing point doughnut of preferred configuration is formed
The curling that radius is formed outside core filaments as 3mm~15mm 3 D stereos is circular.The circle diameter that sheath silk is formed is too small, formation
The volume of solid space is just small, and the bulkiness for processing tow is inadequate, and the clothing or bedding after being filled with it are stronger, without plumage
The fluffy sense of suede, heat-insulating property can also decline.Although conversely, the bulkiness and softness of the bigger processing tow of annulus that sheath silk is formed
Property can improve a lot, but resistance against compression can be deteriorated, that is, when processing tow is squeezed by external force can be formed it is permanent
The deformation of property, leads to degraded performance.More preferable 4mm~the 12mm of radius for the annulus that sheath silk is formed outside core filaments.
It is preferably 20~300dtex to form the core filaments of fluffy processed filament and the fiber number of sheath silk.Particularly preferred core filaments fiber number is
30~250dtex, and preferably the fiber number of sheath silk is less than or equal to the fiber number of core filaments.Although the softness of fiber if fiber number is too thin
Property increase, but the voltage endurance capability of annulus that sheath silk and/or core filaments are formed can decline instead；Conversely, the bigger institute of the fiber number of fiber
The rigidity having is higher, and fluffy processed filament obtained will be partially hard, and feel is deteriorated.
The fluffy processing tow of the present invention, the bulkiness by IDFB tests are 400~800inch3/30g。
Its compression ratio is 50~95%, and response rate is 50~95%.
The fluffy processing tow of the present invention, can manufacture to obtain by the following method, but not limited to this method.The method
It comprises the following steps：
（1）The feed rate that sheath fiber and core fibre are more than to core by respective feeding unit with sheath respectively enters same air
In winding apparatus, sheath fiber and core fibre fibrillation and mutually it is entwined as fluffy processed filament；The sheath fiber and core fibre are extremely
A kind of less is the combined yarn formed by high-melting fibre and low-melting fiber；
（2）Obtained fluffy processed filament progress N roots are merged to form fluffy machining strip-like food；
（3）Obtained fluffy machining strip-like food is adhered into silicon systems smooth agent by coating process, it is smooth then will to be attached with silicon systems again
The fluffy machining strip-like food of agent carries out fixation treatment through superheated header, obtains fluffy processing tow.
The method preferably carries out the fluffy machining strip-like food that step 1 obtains after giving heat treatment, then carries out N roots and merge to be formed
Fluffy machining strip-like food.
That is, in the manufacturing method of the fluffy processing tow of the present invention, sheath fiber and core fibre are formed fluffy
Machining strip-like food carries out coating process attachment silicon systems smooth agent before processing, can carry out giving heat treatment, can not also carry out giving hot place
Reason.It is preferred that it carries out giving heat treatment.
Specifically, sheath fiber and core fibre are more than core by the present invention by respective feeding unit with sheath respectively first
Feed rate is entered in same air entangling device, sheath fiber and core fibre fibrillation and is mutually entwined the fluffy of being integrated
Processed filament；The sheath fiber and core fibre it is at least one be the combined yarn formed by high-melting fibre and low-melting fiber；Then
Obtained fluffy processed filament progress N roots are merged to form fluffy machining strip-like food, obtained fluffy machining strip-like food is passed through into coating work
Skill adheres to silicon systems smooth agent, and the fluffy machining strip-like food for being attached with silicon systems smooth agent then is carried out fixation treatment through superheated header again,
Obtain fluffy processing tow.As previously mentioned, the fluffy processing tow of the core-sheath-type of the present invention contains the fluffy processed filament of N roots, N for 1 with
On.It when N is 1, does not need to merge processing, silicon systems smooth agent is directly adhered to by coating process and is consolidated using hot tank
Processing, obtains fluffy processing tow.But considering warming effect and light weight effect, preferably N is more than 6, and more preferable N is
More than 9.
As preferred embodiment, the pre-heat treatment can be carried out after fluffy processed filament is formed, then carry out N root merging
After forming fluffy machining strip-like food, then by coating process attachment silicon systems smooth agent, the fibre that then will be attached with silicon systems smooth agent again
Dimension carries out fixation treatment through superheated header, obtains fluffy processing tow.As described above, it when N is 1, does not need to merge processing.
It in the present invention, is entered in same air entangling device with the feed rate for being more than core with sheath so that sheath fiber and core are fine
Dimension mutually winding, due to the empty effect of pressure, the multifilament of sheath fiber is separately formed more single fibers, thus sheath fiber by fibrillation and
Core fibre surface forms fluffy fibrae circulares.There is crosspoint, crosspoint is more, fluffy processed filament between sheath fiber and core fibre
The bulkiness of beam is good, but these crosspoints can move freely, and is squeezed and deformed by external force, and crosspoint can occur one during deformation
Fixed displacement absorbs external force, after external force removal, can reply to a certain extent, to the shape mutability of fluffy processing tow
Though Constrained, effect is far from enough.For this problem, the sheath fiber and core fibre at least one use in the present invention are by height
The combined yarn that melting-point fibers and low-melting fiber are formed, in fluffy processed filament after superheated header carries out fixation treatment, in combined yarn
Molten low spot fiber partial melting has occurred, be presented as part itself to melt, partly melt disconnected, be partly bonded in the high fibre of fusing point
In dimension, so that foring the melt bonded point of dispersion in fluffy processing tow.The quantity of the melt bonded point of these dispersions
For 1~40/cm.The melt bonded point of these dispersions, can be Chong Die with the crosspoint between sheath silk and core filaments, can not also weigh
It is folded.The melt bonded point of these dispersions is fixed with well the shape of fluffy processing tow under the premise of bulkiness is not influenced
Effect.The melt bonded point of dispersion is very few, and shape anchor effect is inadequate；The melt bonded point of dispersion is excessive, although shape is consolidated
It is good effect, but bulkiness, soft right property etc. are suppressed.By preferred the pre-heat treatment process, the molten of dispersion can be reached
The quantity for melting bounding point is 1~40/cm.
The feeding unit can be feeding roller and/or feeding roller, be processed according to sheath fiber, core fibre and bulkiness
The difference of silk kind can control the filament length of sheath fiber and core fibre ratio by adjusting the feeding speed of sheath fiber and core fibre,
The filament length of sheath fiber and core fibre ratio can be 3~50 times；In addition, air hands over the air velocity in dropping control device that can be set as 30L/ points
~150L/ point, effect be by two fiber process of feeding formed with certain filament length than bulkiness processed filament.
The manufacturing method of the fluffy processing tow, air is fed by sheath fiber and core fibre respectively by feeding unit
Friendship falls device into fluffy processed filament；It can carry out that heat treatment is given to fix the form of batching of processed filament, can not also carry out giving heat
Processing.It is preferred that it carries out giving heat treatment.
The fluffy machining strip-like food is at least one, preferably by the fluffy processing in N=6 piece or more, more preferable N=9 piece or more
Silk merges.
A hot-box device has been used in conjunction after falling device device in air friendship, can carry out dry heat treatment to bulkiness machining strip-like food so that
Sheath fiber and the core fibre more tight union of 3 D stereo construction, a part play the role of preliminary fixed, and another part causes
The sheath fiber generation contraction for longer loop coil part occur becomes smaller, so as to which some attachmentes for inhibiting it and in machine generate exception
The problems such as friction snag, in addition to engineering passability can be increased, the fluffy degree of fluffy machining strip-like food can also be improved.The hot tank
Can be contact, or contactless, temperature is 70~230 DEG C.
The attachment technique of the silicon systems smooth agent, which can be used, pads coating technology.Using coating technology is padded, silicon systems are smooth
Agent is more uniform in the attachment of strand surface, and soft smooth feeling is more preferable.If the bulkiness machining strip-like food obtained with spray process is inside it
It is not easy to be sprayed onto silicone oil, it is inhomogenous to be easy to cause whole attachment, the problem of so as to which washing offset can occur；But with padding coating
When, if bulkiness machining strip-like food is directly entered when padding coating process, the engineering for being susceptible to bulkiness machining strip-like food passes through
Property it is poor, while can also influence the quality of finished product fluffy body processing tow；It is for example, fluffy by being obtained after interlacing device and plying
Property machining strip-like food, if the crosspoint unstability of core filaments and sheath silk directly by padding coating process, is looped around outside core fibre
The sheath fiber of the 3 D stereo construction in face easily generates friction with structures such as the roller of seal wire, filar guides and brings it about cunning
It moves, meanwhile, the longer making toroidal coil that bulkiness machining strip-like food mesotheca silk is formed can be with the generations such as attachment friction hook knot etc.
Phenomenon, it is irregular so as to cause strand generation longitudinal direction, the bulkiness of bulkiness processing tow can also be caused to decline, reduce original silk
The quality of item.Thus preferably carry out giving heat treatment.
For the machining strip-like food through superheated header fixation treatment, hot tank can be contact, or it is contactless, preferably
It is contactless.Temperature is preferably 100~200 DEG C.
The fluffy degree of fluffy processing tow of the present invention is high, due to being attached with silicon systems smooth agent, the fluffy processing tow
Also there is flexibility and smooth feeling.Due to being the fluffy silk of long fibre composition, can have as the filler of clothes, quilt etc.
There is heat preservation light weight, do not leak suede, do not bore the advantages of suede.
Test method of the present invention is as follows：
（1）The test method of fiber number
The test of fiber number is according to JIS L 1013:2010 standard testings.
（2）Hollow rate
Doughnut is cut off to flakiness (i.e. fiber cross section) along longitudinal direction, suitable times is amplified under ordinary optical microscope
Rate is taken pictures, and the area S of hollow space is calculated according to photo1With the area S of fiber entirety2(including hollow portion), Ran Houji
It calculates：
Hollow rate=（S1/S2）×100%.
（3）Melt bonded point
The sheath silk for processing tow is placed under digit microscope, is observed（Observe multiplying power 150）, find melt bonded point and right
Its number is calculated.Melt bonded photo such as attached drawing.
（4）The test method of melt bonded number of fluffy processing tow
Fluffy processing tow both ends are fixed, into free state, it is suitable to be amplified under ordinary optical microscope for middle section
Multiplying power is taken pictures, and then the sheath monfil in fluffy processing tow and core fibre is formed according to photo melt bonded
Point is counted, melt bonded according to one if the melt bonded point that is formed of more root sheath fibers and core fibre is in same position
Point counts, and is converted to obtain the melt bonded point in fluffy processing tow unit length finally by photo enlargement ratio
Number, unit are a/cm.The above method calculates average, the melt bonded point of as fluffy processing tow after carrying out 5 times tests
Number.
（5）The radius of curvature test method of fluffy processing tow
Fluffy processing tow both ends are fixed, into free state, it is suitable to be amplified under ordinary optical microscope for middle section
Multiplying power is taken pictures, and three points on annulus then formed according to sheath silk measure round radius come picture circle, by microscopical
Enlargement ratio is converted into the annular radii of practical sheath silk, and 50 data are taken in the sample of 20cm long, and the numerical value after being averaged is
Radius of curvature.
（6）Fluffy degree
It is tested according to IDFB methods：
It is debugged 8 hours or 8 hours or more 1. sample to be tested is placed in the environment of 20 DEG C × 65%RH first so as to be tested
Sample is stablized；
2. weighing sample 30g, put it into measurement bucket and close the lid after being shaken soft fluffy state manually；
3. weight disk to be moved downward to the peak of contact sample, then decontroling weight disk makes its free-falling, decontrols weight
Timing while disk reads height and records after stablizing 1 minute；
4. opening lid takes out sample, shaken again to soft fluffy state, be put into measurement bucket and close the lid, according to step 3.
It measures again, same method is tested 5 times；
5. by the way that fluffy degree is calculated after calculating the average height of 5 times.
（7）The test method of compression ratio and response rate
It is debugged 8 hours or 8 hours or more 1. sample to be tested is placed in the environment of 20 DEG C × 65%RH first so as to be tested
Sample is stablized；
2. weighing sample 30g, shaken manually and put it into after soft fluffy state in IDFB methods in same measuring tank and cover
Lid；
3. by the weight disk W with weight same in IDFB methods0The peak of contact sample is moved downward to, then decontrols weight
Disk makes its free-falling, timing while decontroling weight disk, and height is read after stablizing 1 minute and records H0；
4. opening lid will be than original weight disk W0Weigh 40 times of weight disk W1, it is put into and measures in bucket, weight disk W1It is moved downward to
The peak of sample is contacted, then decontroling weight disk makes its free-falling, timing while decontroling weight disk, after stablizing 1 minute
It reads height and records H1；
5. opening lid removes all wt, test sample is allowed to reply in a free state for 24 hours, after its stabilization, by step 3.
Method test out height of specimen and be recorded as H2；
6. compression ratio and response rate are calculated by lower formula 1 and formula 2 according to data above：
Compression ratio（%）=（H0- H1）/ H0× 100%（1）,
Response rate（%）=（H2- H1）/（H0- H1）× 100%（2）,
It is averaged 7. repeating 1.~method 6. and testing 5 times.
（8）The quantitative and qualitative method of silicon systems smooth agent
It can be detected with NMR.
（9）The evaluation method of washing resistance
The sample that 2g is attached with silicon systems smooth agent is taken to be put into the cleaning string bag, is returned according to JIS standard cleanings 5, then by test method
（8）The quantitative approach of silicon systems smooth agent quantitatively clean the amount of front and rear silicon systems smooth agent, then as follows（3）Calculate washing
Conservation rate：
Wash conservation rate（%）=（Silicon systems smooth agent adhesion amount after silicon systems smooth agent adhesion amount-washing before washing）Silicon before/washing
It is smooth agent adhesion amount × 100%（3）;
Wherein, washing conservation rate is bigger, then illustrates that the washable durability of sample is better, smaller, illustrates the washable durability of sample
It is poorer；When washing conservation rate less than 50%, then fringe cost is higher, and fiber quality is poor, and manufactured product is unqualified.
（10）Wash the evaluation method of deviation ratio
Down jackets plane materiel material is cut, and be stitched into one by two pieces by the size slightly larger than 20cm wide and slightly larger than 50cm long
It is a that there are 4 elongated sample sacks（Sample sack size：5cm wide and 50cm long）Sample packet, then the sample made in advance is made in order
Arrangement is fitted into above-mentioned sample packet, and sample both ends are sutured together together with fabric；Cleaning 5 times is carried out according still further to JIS standards；
Last test goes out the area of the filler inside fabric packet before and after cleaning, according to the following formula（4）Calculate washing deviation ratio：
Wash deviation ratio（%）=（Sample inner stuffing area after sample inner stuffing area-washing before washing）Sample before/washing
Product inner stuffing area × 100%（4）;
Wherein, washing deviation ratio is bigger, then illustrates that the feel style of sample is poorer, and feel style here includes flexibility and cunning
Refreshing sense；It is smaller, illustrate that the feel style of sample is better；When washing deviation ratio and being more than 30%, then the flexibility of sample and smooth
Feel poor, manufactured finished product is unqualified.
Illustrate present disclosure by the following examples, but the invention is not limited in contents listed by embodiment.
Embodiment 1：
Core filaments are high-melting-point hollow polyester PET fiber, and fiber number is 160.0dtex；Sheath silk is by above-mentioned high-melting-point hollow polyester PET
The combined yarn that reality polypropylene PP fibers form in fiber and low melting point, fiber number is 80.0dtex, and low melting point PP accounts for the weight of combined yarn
It is 1.0wt% to measure ratio.The weight ratio that sheath silk accounts for processed filament is 91wt%.High-melting-point hollow polyester PET fiber is in its natural state
The curly form of 3 D stereo.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 400m/min.The flow velocity for setting air in nozzle is 70L/ points, and sheath fiber and core are fine
Dimension forms fluffy processed filament by air nozzle.Then obtained fluffy processed filament is passed through into 1 hot tank（170℃）It carries out giving hot place
Reason, merges into fluffy processing tow by the fluffy processed filament in N=10 piece later.Then, fluffy processing tow passes through Weight-average molecular
Measure the modification silicon systems smooth agent of 2000~6000g/mol（Bamboo sheet, DELION SFT-730）The silicon systems aqueous solution being modulated into carries out
Pad coating；Again by processed filament by 2 hot tank fixation silicon systems smooth agents, the fluffy processing tow most obtained at last is collected.
After tested, the fluffy degree of obtained bulkiness processing tow is 500inch3/ 30g, silicon systems smooth agent adhesion amount
The 1.2wt% of fluffy processing tow total amount is accounted for, fluffy processing tow forms the curly form of 3 D stereo, and the song of curly form
Rate radius is 7.0mm, the melt bonded 1/cm of point disperseed in fluffy processing tow, compression ratio 92%, response rate 80%.
Fluffy processing tow is filled into the natural feather packet made and is washed, the conservation rate of the silicon systems smooth agent after washing
It is 85%, washing deviation ratio is 25%.Concrete numerical value is shown in Table 1.
Embodiment 2：
Core filaments are the combined yarns of high-melting-point hollow polyester PET fiber and low melting point hollow polypropylene PP fibers composition, and fiber number is
130.0dtex；Sheath silk is by high-melting-point hollow polyester PET fiber, and fiber number is 100.0dtex, and low melting point PP fibers account for combined yarn
Mass fraction be 0.5wt%.The weight ratio that sheath silk accounts for processed filament is 87wt%.High-melting-point hollow polyester PET fiber and low melting point
Hollow polypropylene PP fibers are the curly form of 3 D stereo in its natural state.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 180m/min.
For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Embodiment 3：
Core filaments are the combined yarns of the middle reality polypropylene PP fibers composition of high-melting-point hollow polyester PET fiber and low melting point, and fiber number is
79.0dtex；The combined yarn that sheath silk is made of the middle real polypropylene PP fibers of high-melting-point hollow polyester PET fiber and low melting point,
Fiber number is 79.0dtex, and the mass fraction that low melting point PP fibers account for combined yarn is 5.0wt%.Sheath silk accounts for the mass fraction of processed filament
It is 80wt%.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 80m/min.
For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Embodiment 4：
Core filaments are high-melting-point hollow polyester PET fiber, and fiber number is 50.0dtex；Sheath silk is by high-melting-point hollow polyester PET fiber
With the combined yarn of the middle real nylon fiber composition of low melting point, fiber number is 25.0dtex, and low melting point nylon fiber accounts for the matter of combined yarn
It is 3.0wt% to measure score.The mass fraction that sheath silk accounts for processed filament is 60wt%.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 60m/min.
For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Embodiment 5：
Core filaments are high-melting-point hollow polyester PET fiber, and fiber number is 200.0dtex；Sheath silk is by high-melting-point hollow polyester PET fiber
With the combined yarn of combined polymerization PET fiber composition real in low melting point, fiber number is 200.0dtex, real PET fiber in low melting point combined polymerization
The mass fraction for accounting for combined yarn is 49.0wt%.The mass fraction that sheath silk accounts for processed filament is 99wt%.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
10m/min, the feeding speed of sheath fiber is 990m/min.
For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Embodiment 6：
Core filaments are high-melting-point hollow polyester PET fiber, and fiber number is 100.0dtex；Sheath silk is by high-melting-point hollow polyester PET fiber
It is formed with the middle real polythene PE fiber of low melting point, wherein, the fiber number of composite fibre is 80.0dtex, real in low melting point combined polymerization
The mass fraction that PE fibers account for combined yarn is 0.2wt%.The mass fraction that sheath silk accounts for processed filament is 94wt%.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 400m/min.
For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Embodiment 7：
Core filaments are real polyester PET fibers in high-melting-point, and fiber number is 160.0dtex；Sheath silk is by polyester PET real in above-mentioned high-melting-point
The combined yarn that reality polypropylene PP fibers form in fiber and low melting point, fiber number is 80.0dtex, and low melting point PP accounts for the weight of combined yarn
It is 0.3wt% to measure ratio.The weight ratio that sheath silk accounts for processed filament is 91wt%.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 400m/min.
For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Comparative example 1
The combined yarn that core filaments are made of polyester melt bound fibers and the non-melt bound fibers of polyester：Wherein polyester melt bound fibers are
The composite fibre obtained by core-sheath-type composite spinneret composite spinning（Core polymer is normal polyester, and sheath polymer is low melting point
Polyester copolymer）, fiber number 40dtex；The non-melt bound fibers of polyester are by polyester PET fiber, fiber number 40dtex.
Sheath silk is core-sheath-type polyester melt bound fibers, i.e., the composite fibre obtained by core-sheath-type composite spinneret composite spinning
（Core polymer is normal polyester, and sheath polymer is low-melting point polyester copolymer）, fiber number 40dtex.Sheath silk accounts for the matter of processed filament
It is 93wt% to measure score.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 400m/min.For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Comparative example 2
Core filaments are real polyester PET fibers in high-melting-point, and fiber number is 80.0dtex；Sheath silk be by polyester PET fiber real in high-melting-point,
Fiber number is 160.0dtex.The mass fraction that sheath silk accounts for processed filament is 98wt%.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 400m/min.For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Comparative example 3
Core filaments are high-melting-point hollow polyester PET fiber, and fiber number is 180.0dtex；Sheath silk is by low melting point hollow polypropylene PP fibres
Dimension, fiber number is 100.0dtex.The mass fraction that sheath silk accounts for processed filament is 83wt%.
Sheath fiber and core fibre are fed in winding apparatus respectively by different feeding rollers, the feeding speed of core fibre is
20m/min, the feeding speed of sheath fiber is 180m/min.For other steps with embodiment 1, concrete numerical value is shown in Table 1.
Table 1
Claims (15)
1. the fluffy processing tow of core-sheath-type, it is characterized in that：The fluffy processing tow contains N roots and passes through air by core filaments and sheath silk
The fluffy processed filament that interlacing process integration forms, and the core filaments of fluffy processed filament and sheath silk at least one are by high-melting fibre
The combined yarn formed with low-melting fiber；Melt bonded point containing dispersion in the fluffy processing tow, N is more than 1.
2. fluffy processing tow according to claim 1, it is characterized in that：The sheath silk of the fluffy processed filament is by high-melting-point
The combined yarn that fiber and low-melting fiber are formed；Core filaments are the long filament that high-melting fibre is formed.
3. fluffy processing tow according to claim 1 or 2, it is characterized in that：Low-melting fiber in the combined yarn accounts for
The weight ratio of combined yarn is 0.1~50 wt%.
4. fluffy processing tow according to claim 1 or 2, it is characterized in that：The sheath silk total amount accounts for fluffy processing tow
The weight ratio of total amount is 60~99wt%.
5. fluffy processing tow according to claim 1 or 2, it is characterized in that：High-melting fibre in the combined yarn with
The fusing point difference of low-melting fiber is 20 DEG C~150 DEG C.
6. fluffy processing tow according to claim 1 or 2, it is characterized in that：High-melting fibre in the combined yarn is
Polyester fiber；Low-melting fiber is at least one in modified copolymer conjunction low-melting point polyester, polypropylene, polyethylene or nylon fiber
Kind.
7. fluffy processing tow according to claim 1 or 2, it is characterized in that：Point contained in the fluffy processing tow
The quantity for dissipating melt bonded point is 1~40/cm.
8. fluffy processing tow according to claim 1 or 2, it is characterized in that：The core filaments of the fluffy processed filament and sheath silk
Fiber number be 20~300dtex.
9. fluffy processing tow according to claim 1 or 2, it is characterized in that：High-melting fibre in the combined yarn is
Doughnut.
10. fluffy processing tow according to claim 9, it is characterized in that：In high-melting fibre in the combined yarn
Empty rate is 20~50%.
11. fluffy processing tow according to claim 10, it is characterized in that：High-melting fibre in the combined yarn is certainly
It is the curly form of 3 D stereo under right state.
12. fluffy processing tow according to claim 9 or 10, it is characterized in that：The fluffy processing tow is in natural shape
It is the curly form of 3 D stereo under state, and the radius of curvature of curly form is 3mm~15mm.
13. fluffy processing tow according to claim 1 or 2, it is characterized in that：The fluffy processing tow is surveyed by IDFB
The bulkiness of examination is 400~800inch3/30g。
14. the manufacturing method of fluffy processing tow described in claim 1, it is characterized in that, it comprises the following steps：
（1）The feed rate that sheath fiber and core fibre are more than to core by respective feeding unit with sheath respectively enters same air
In winding apparatus, sheath fiber and core fibre fibrillation and mutually it is entwined as fluffy processed filament；The sheath fiber and core fibre are extremely
A kind of less is the combined yarn formed by high-melting fibre and low-melting fiber；
（2）Obtained fluffy processed filament progress N roots are merged to form fluffy machining strip-like food；
（3）Obtained fluffy machining strip-like food is adhered into silicon systems smooth agent by coating process, it is smooth then will to be attached with silicon systems again
The fluffy machining strip-like food of agent carries out fixation treatment through superheated header, obtains fluffy processing tow.
15. the manufacturing method of fluffy processing tow according to claim 14, it is characterized in that：Step 1 is obtained fluffy
Processed filament is carried out after giving heat treatment, is then carried out N roots again and is merged to form fluffy machining strip-like food.
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| CN113684574A (en) * | 2021-04-28 | 2021-11-23 | 南京佳尔泰纺织科技有限公司 | High-fluffiness high-softness warm-keeping textured yarn |
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