CN1675414A - Multi-component fibers and non-woven webs made therefrom - Google Patents
Multi-component fibers and non-woven webs made therefrom Download PDFInfo
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- CN1675414A CN1675414A CNA038191148A CN03819114A CN1675414A CN 1675414 A CN1675414 A CN 1675414A CN A038191148 A CNA038191148 A CN A038191148A CN 03819114 A CN03819114 A CN 03819114A CN 1675414 A CN1675414 A CN 1675414A
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- supatex fabric
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- 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
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—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
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
- Y10T442/641—Sheath-core multicomponent strand or fiber material
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Multicomponent Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Bicomponent spunbond filaments and non-woven webs made from the filaments are disclosed. The spunbond filaments include a core polymer and a sheath polymer. Both the core polymer and the sheath polymer are made primarily from polypropylene polymers. For instance, the sheath polymer can be a randomized copolymer of polypropylene and ethylene. The ethylene can be present in the sheath polymer in an amount of less than about 2% by weight. The core polymer, on the other hand, can be a polypropylene polymer having a melting temperature than the sheath polymer.
Description
Background of invention
Supatex fabric by polymeric material production is used to produce various products, and the flexibility, intensity, uniformity, liquid handling performance that they advantageously have a level especially be absorbability and other physical property for example.These products comprise towel, industrial wipes, incontinence, infant care product for example baby diaper, absorbability fem-care, and clothing medical clothes for example.These products are made up to obtain required performance by the production of multi-layer nonwoven fabric usually.
In many application, supatex fabric is to be formed by spun-bonded continuous yarn, and spun-bonded continuous yarn obtains by thermoplastic being carried out melt spinning.The method of producing the spun-bond process supatex fabric is known, for example is disclosed in people's such as Dorschner United States Patent (USP) 4,692,618, people's such as people's such as Appel United States Patent (USP) 4,340,563 and Pike United States Patent (USP) 5, in 418,045, these patents are quoted for reference here.The spun-bond process non-woven polymeric is by thermoplastic being extruded via spinnerets and with high-speed air flow the material extending of extruding is become long filament, being formed on the lip-deep random fabric of collection and forming.
In some applications, have flexibility in order to produce, a spunbonded materials of intensity and absorbefacient required combination, spunbonded non-woven fabrics is to be formed by multicomponent filaments, for example bicomponent filament.Bicomponent filament is by first kind and second kind of long filament that polymers compositions forms, and these two kinds of polymers compositionss keep in long filament separately.For example, in an example, long filament can have sheath core arrangement, and wherein first kind of polymers compositions forms core, and second kind of polymers compositions forms skin.
Past, produced very useful bicomponent spunbond long filament, it contains core polymer that is formed by polyethylene and the skin polymer that is formed by polypropylene.The skin polymer has usually than the lower melt temperature of core polymer so that the easy underground heat of long filament melts is bonded together.The skin polymer also provides flexibility for the supatex fabric of gained.On the other hand, the core polymer provides intensity to fabric.
Although above-mentioned spun-bonded continuous yarn and provide very big progress in this area by the supatex fabric of this long filament production also requires further improvement.Particularly need more cheap long filament to substitute above-mentioned spun-bonded continuous yarn, this long filament has to be compared with the spun-bonded continuous yarn that the past produces basically quite or more performance.
Summary of the invention
In general, the supatex fabric that the present invention relates to spunbond multicomponent filaments and produce by this long filament.For example, in one embodiment, the present invention relates to a kind of supatex fabric that contains the continuous polymer multicomponent filaments.Polymer filaments comprises skin polymer and core polymer.The skin polymer comprises the copolymer of polyacrylic polymer and monomer formation.On the other hand, the core polymer comprises polyacrylic polymer.Generally speaking, the melt temperature of core polymer exceeds at least about 8 ℃ (15 °F) than the melt temperature of skin polymer.When being combined to form supatex fabric, these long filaments can heat fusing together.
The skin polymer can be present in the continuous filament yarn with about 20-70 weight %, the particularly amount of about 40-60 weight %.In one embodiment, the skin polymer can comprise the random copolymer of polypropylene and monomer.Monomer can for example be an ethene.
For example, in one embodiment of the invention, the skin polymer is the random copolymer of polypropylene and ethene.In the skin polymer, the amount of ethene is less than about 2 weight %, particularly less than about 1.8 weight %.The inventor has been found that if the ethene amount in the skin polymer less than about 2 weight %, then can realize various benefits and advantage.
On the other hand, the core polymer can be the polypropylene of about 98 weight %.For example, in one embodiment, the core polymer can be the polypropylene of metallocene catalysis.
The melt flow rate (MFR) of skin polymer and core polymer can be about 30-40 gram/10 minutes, particularly about 30-35 gram/10 minutes.The skin polymer can have about 110-150 ℃ melt temperature.As mentioned above, the melt temperature of core polymer can exceed at least about 8 ℃ than the melt temperature of skin polymer.Although can produce various goods according to the present invention, instruction of the present invention is specially adapted to form spun-bonded fibre, particularly spunbond continuous filament yarn.
To discuss further feature of the present invention and aspect in more detail below.
The accompanying drawing summary
In the remainder of specification, illustrate in greater detail abundant and enforceable disclosure of the present invention below with reference to accompanying drawing, comprise optimum implementation to those skilled in the art, in the accompanying drawings:
Fig. 1 is the cross-sectional view of an embodiment of bicomponent filament produced according to the invention; With
Fig. 2 is the schematic diagram of an embodiment that can be used for the production line of long filament produced according to the invention.
Reusable reference symbol is represented same or analogous implication of the present invention in this specification and accompanying drawing.
Describe in detail
Those skilled in the art should be understood that present discussion only is to describe exemplary, do not limit more wide region of the present invention, in exemplary illustration, comprised wideer aspect.
Generally speaking, the present invention relates to the supatex fabric produced by the multicomponent polymeric long filament.Supatex fabric is made with the required balance of physical property.Generally speaking, the multicomponent polymeric long filament is continuous bicomponent filament, contains by the core polymer of skin surrounded.According to the present invention, core polymer and skin polymer all mainly contain polypropylene.For example, the skin polymer can be polyacrylic random copolymer, and the core polymer can be the crystaline polypropylene polymer with higher melt.
The inventor has been found that when using the polyacrylic polymer of selecting to form bicomponent filament, can obtain to compare supatex fabric, and keep flexibility and absorbability simultaneously with improved intensity and tear resistance with the supatex fabric that forms by single component filaments.Particularly advantageously be, having the supatex fabric that improves performance can more cheap polypropylene material production used according to the invention, this with use more expensive unusual polymer to improve cohesiveness or toughness forms contrast.
Fig. 1 has shown the cross-sectional view of long filament produced according to the invention 100.As shown in the figure, long filament 100 is bicomponent filaments, comprises the core polymer 200 that is surrounded by skin polymer 300.As mentioned above, according to the present invention, core polymer 200 and skin polymer 300 are all mainly formed by polyacrylic polymer.In addition, in one embodiment, long filament 100 can be continuous spun-bonded continuous yarn.
As shown in the figure, copolymer 200 is arranged in different zones in the cross section of long filament 100 with skin polymer 300.These two kinds of polymer all extend to the whole distance of long filament 100.In this embodiment.Demonstration knockout polymer 200 is arranged with one heart with the skin polymer basically.But, it should be understood that core polymer and skin polymer can be with various other arrangement modes placements.For example, core polymer 200 and skin polymer 300 also can be placed according to eccentric arrangement mode.
Generally speaking, skin polymer 300 has the melt temperature lower than core polymer 200.In this way, the skin polymer 300 of a long filament can be easily in the forming process of supatex fabric with the skin polymer melt and the fusion of adjacent filament.Bonding can carrying out between adjacent filament under the situation that does not have molten core polymer 200, this provides the long filament with improved intensity.
The skin polymer 300 that is used for long filament produced according to the invention and supatex fabric mainly contains polyacrylic polymer, for example crystalline polypropylene.Polyacrylic polymer should have lower melt temperature, for example is lower than about 150 ℃.Specifically, the melt temperature of polypropylene sheath polymer can be about 110-150 ℃, more especially about 120-135 ℃.The melt flow rate (MFR) of polymer can be about 30-40 gram/10 minutes, particularly about 30-35 gram/10 minutes.Above-mentioned flowing scope of melt is particularly suitable for forming spun-bonded continuous yarn in the melt spinning operation.
In one embodiment, the skin polymer is the random copolymer of the copolymer of polypropylene and monomer, particularly polypropylene and monomer.Described monomer can for example be ethene or butylene.In atactic polypropylene copolymer, the content of monomer should be lower in some applications.Particularly, the inventor has been found that the amount of monomer in random copolymer should be less than about 2 weight %, particularly less than about 1.8 weight %.For example, in one embodiment, monomer can be an ethene, and the content in random copolymer is less than about 1.6 weight %.
Small amounts of monomer in random copolymer provides many benefits of the present invention and advantage.For example, when the amount of monomer during, have been found that long filament has lost some intensity and flexibility greater than about 2 weight %.In addition, long filament tends to quenching effectively in forming process.Think and reach better bond properties between copolymer and skin polymer during less than about 2 weight % when the amount of monomer.
In one embodiment of the invention, the skin polymer can be the random copolymer of polypropylene and ethene, is sold with trade name 6D43 by Dow Chemical.But the 6D43 polymer of Dow Chemical contains the ethene of the 3.2 weight % that have an appointment.Therefore, when using in the present invention, can in product, add more substantial polypropylene or other suitable polymers so that reduce single level.
Generally, the skin polymer should contain the polypropylene of the 95 weight % that have an appointment.Except polypropylene, the skin polymer can contain above-mentioned monomer and other extra additive.These additives can comprise antioxidant, heat stabilizer, other stabilizing agent etc.
The skin polymer not only provides flexibility to spun-bonded continuous yarn produced according to the invention and supatex fabric, and has improved the toughness of fabric.For example, because its melt temperature is lower, the skin polymer has more sensation of softness.In addition, also because the skin polymer has lower melt temperature, the skin polymer is very suitable for and adjacent fiber fusion and fusion.In fact, because the skin polymer can be easily and the fusion between joint aging time of other filament fiber, supatex fabric produced according to the invention has bigger globality and toughness.
As mentioned above, core polymer 200 shown in Figure 1 also mainly contains polypropylene.But with skin polymer phase ratio, the core polymer has the melt temperature higher than skin polymer usually.For example, the melt temperature of core polymer can exceed than the melt temperature of skin polymer at least about 8 ℃ (15 °F), particularly exceeds at least about 8-15 ℃.For example, the melt temperature of core polymer can be greater than about 150 ℃, especially greater than about 155 ℃.
During the heat bonding of long filament produced according to the invention, the core polymer does not have remarkable fusion or degraded usually.The core polymer exists in long filament with intensity that improves long filament and the intensity that improves the supatex fabric of being produced by long filament.
In one embodiment, the core polymer contains the polypropylene homopolymer at least about 95 weight %.Other polymer and additive can be with less amount and core combination of polymers.In order to promote to form spun-bonded continuous yarn, particularly continuous filament yarn in the melt spinning operation, the melt flow rate (MFR) of core polymer can be about 30-40 gram/10 minutes, particularly about 33-39 gram/10 minutes.
Contained polypropylene can be the polymer of Ziegler-Natta catalyst catalysis in the core polymer, perhaps can be the polymer of metallocene catalysis.The polymer of metallocene catalysis provides various advantages, comprises providing having the polymer that lower molecular weight distributes.In one embodiment, the core polymer is the article number 3155 or 3854 of Exxon Corporation.
Generally, the amount of skin polymer in long filament is about 20-70 weight %, particularly about 40-60 weight %.
Instruction of the present invention is particularly suitable for production successive molten spinning long filament, for example spun-bonded continuous yarn.With reference to figure 2, shown the overall manufacturing line 10 of spun-bonded continuous yarn produced according to the invention.Production line 10 is used for production bi-component continuous filament yarn and produces supatex fabric by this spun-bonded continuous yarn.In this embodiment, production line 10 comprises a pair of extruder 12A and 12B, is used for extruding respectively skin polymer and core polymer.The skin polymer is added extruder 12A from the first hopper 14A, the core polymer is added extruder 12B from the second hopper 14B.
Skin polymer and core polymer add spinnerets 18 from extruder 12A and 12B via polymer pipeline 16A and 16B.Generally, in one embodiment, spinnerets 18 comprises crust, and it comprises filament spinning component (spin pack), assembly comprises a plurality of plates with perforate that stack mutually, and wherein perforate is arranged the polymers compositions guide forming by the mode of the path of spinnerets.Spinnerets 18 has the perforate according to a row or multi-row arrangement.When the spinnerets, the spinnerets perforate forms the silkscreen of downward extension when polymer-extruded.
In the embodiment illustrated, production line 10 also comprises quench blower 20, and is adjacent with the silkscreen that extends out from spinnerets.The long filament quenching that will extend out from spinnerets 18 from the air of quench blower 20.The quenching machine can point to a side of silkscreen as shown in Figure 2, perhaps points to the both sides of silkscreen.
Production line may further include fiber draw unit or the aspirator 22 that is positioned under the spinnerets, is used to receive quenched filaments.The fiber draw unit or the aspirator that are used for the melt spinning polymer are known, as mentioned above.
Generally speaking, fiber draw unit 22 comprises the vertical channel of elongation, and by drawing the air that enters and be downward through this passage from the passage side, long filament is stretched via this passage.Heater 24 can be fed to fiber draw unit 22 with hot suck.Hot suck stretches long filament and air at room temperature by fiber draw unit.
The formation surface 26 of porous is positioned under the fiber draw unit 22, and receives the continuous filament yarn from fiber draw unit outlet perforate.This forms surface 26 through guide reel 28.The vacuum 30 that is positioned under residing this formation surface 26 of long filament makes long filament stretch along forming the surface.
In embodiment shown in Figure 2, production line 10 also comprises pressure roller 32, and it is arranged along top guide reel 28, is used for receiving this fabric at fabric when surface 26 is stretched out from forming.From pressure roller 32, fabric is added into take up roll 42, is used to collect the fabric finished product.Before fabric being rolled onto on the roller 42, this production line can also comprise the bonder of some types, for example thermal point bond roller and/or by the air type paster.Thermal point bonders and be well known to those skilled in the art by the air type paster here no longer describes in detail.
In order to operate production line 10, hopper 14A and 14B are filled by the corresponding polymer component.Core polymer and skin polymer by separately extruder 12A and 12B via polymer pipeline 16A and 16B and spinnerets 18 fusions with extrude.During extruding, polymer is heated to the temperature that is enough to make polymer flow.
In the time of under the long filament of extruding extends to spinnerets 18, from the air flow of quench blower 20 at least in part with the long filament quenching.Quench air for example can with the vertically vertical substantially direction of long filament on flow.The temperature of quench air can be about 45-90 °F, and its speed can be about 100-400 feet per minute clock.
After quenching, long filament is drawn in the vertical channel of fiber draw unit 22 from heater 24 and the thermal air current by fiber draw unit.But, it should be understood that the use of fiber draw unit is chosen wantonly.When having this unit in this system, fiber draw unit can be used for for example making that long filament is curling a little.After fiber draw unit 22 is come out, long filament is deposited on operation and forms on the surface 26.Vacuum 20 forms the surface with long filament along this and stretches, and forms not bonding continuous filament yarn supatex fabric.This fabric is slightly suppressed by pressure roller 32 then.Then, use any suitable technique that this fabric is bonded together, for example use thermal point bond roller or use by the air type paster.When using by the air type paster, the air that its temperature is higher than the skin polymer melting temperature and is lower than the core polymer melting temperature guides by this fabric from fume hood.Hot-air is the skin polymer melt, thereby forms bonding to form complete fabric between the bicomponent filament.The temperature that flows through the air of paster can be about 230-280 °F, and its speed is about 100-500 feet per minute clock.
At last, the fabric of making is involved in take up roll 42, prepares to be used for further handling or using.Have been found that the spunbonded non-woven fabrics that forms according to the present invention provides various advantages and benefit.For example, find and only compared by the fabric of polyacrylic polymer production, this supatex fabric has the TENSILE STRENGTH and the tearing strength of raising.In fact, this fabric has the bicomponent filament more performance of producing than routine.But, because long filament of the present invention is almost completely by polyacrylic polymer production, so long filament can be produced more cheaply.
Spunbonded non-woven fabrics produced according to the invention can be used for many application.For example, this nonwoven fabric can be used to produce personal care product and garment material.Personal care product comprises infant care product, as the disposable infant diaper; Child care products, the underwear of for example travelling; With the adult nursing product, for example incontinence article and case of feminine care products.Suitable clothing comprises medical garment, Work Clothes etc.
In one embodiment, spunbonded non-woven fabrics produced according to the invention can with other fabric combination to form laminate.For example, this nonwoven fabric can be laminated or laminated with fusion injection fabric with other nonwoven fabric.In a special embodiment, for example, form the spunbond/fusion injection/spunbond layer zoarium that contains supatex fabric of the present invention.The basis weight of supatex fabric can be for example about 0.25-3 OSY, particularly about 0.50-2 OSY.In one embodiment, for example, can forming wherein, each layer basis weight is spunbond/fusion injection/spunbond layer zoarium of about 1OSY.
Those skilled in the art can carry out these and other improvement and variation to the present invention under the situation that does not depart from the described spirit and scope of claims of the present invention.In addition, the aspect that it should be understood that different embodiments can exchange whole or in part.In addition, it will be understood to those of skill in the art that foregoing description is an example, does not limit the invention in the scope in the claims.
Claims (29)
1. supatex fabric that contains the continuous polymer long filament, this polymer filaments comprises the multicomponent filaments that comprises skin polymer and core polymer, the skin polymer comprises the copolymer of polyacrylic polymer and monomer formation, the core polymer comprises polyacrylic polymer, at least about 15 °F, these continuous polymer long filaments are fused together the melt temperature of core polymer than the melt temperature height of skin polymer.
2. according to the supatex fabric of claim 1, wherein the skin polymer comprises random copolymer.
3. according to the supatex fabric of claim 2, wherein monomer comprises ethene.
4. according to the supatex fabric of claim 2, wherein the amount of monomer in the skin polymer is less than about 2 weight %.
5. according to the supatex fabric of claim 3, wherein the amount of monomer in the skin polymer is less than about 2 weight %.
6. according to the supatex fabric of claim 1, wherein continuous filament yarn comprises spun-bonded continuous yarn.
7. according to the supatex fabric of claim 1, wherein the melt flow rate (MFR) of skin polymer and core polymer is about 30-35 gram/10 minutes.
8. according to the supatex fabric of claim 1, wherein the melt temperature of skin polymer is about 110-150 ℃.
9. according to the supatex fabric of claim 1, its SMIS polymer comprises the polypropylene of metallocene catalysis.
10. according to the supatex fabric of claim 1, its SMIS polymer comprises the polypropylene at least about 98 weight %.
11. according to the supatex fabric of claim 1, wherein the skin polymer accounts for about 20-70 weight % of continuous filament yarn.
12. supatex fabric that contains polymer fiber, this polymer fiber comprises the multicomponent fibre that comprises skin polymer and core polymer, the skin polymer comprises the random copolymer of polyacrylic polymer and ethene formation, the amount of ethene in the skin polymer is less than about 2 weight %, the core polymer comprises polyacrylic polymer, at least about 15 °F, these polymer fibers are fused together the melt temperature of core polymer than the melt temperature height of skin polymer.
13. according to the supatex fabric of claim 12, the amount of therein ethylene in the skin polymer is less than about 1.8 weight %.
14. according to the supatex fabric of claim 12, wherein multicomponent fibre is a continuous filament yarn.
15. according to the supatex fabric of claim 12, wherein multicomponent fibre is a spun-bonded fibre.
16. according to the supatex fabric of claim 12, wherein the melt flow rate (MFR) of skin polymer and core polymer is about 30-35 gram/10 minutes.
17. according to the supatex fabric of claim 12, wherein the melt temperature of skin polymer is about 110-150 ℃.
18. according to the supatex fabric of claim 12, its SMIS polymer comprises the polypropylene of metallocene catalysis.
19. supatex fabric that contains the continuous polymer long filament, this polymer filaments is by extruding formation via spinnerets, this polymer filaments comprises the multicomponent filaments that comprises skin polymer and core polymer, the skin polymer comprises the random copolymer of polyacrylic polymer and ethene formation, the amount of ethene in the skin polymer is less than about 2 weight %, the core polymer comprises polyacrylic polymer, the amount of polypropylene in the core polymer is at least 95 weight %, the melt temperature of core polymer than the melt temperature height of skin polymer at least about 15 °F, the melt flow rate (MFR) of skin polymer and core polymer be at least about 30 the gram/10 minutes, these continuous polymer long filaments are melted in and form supatex fabric together.
20. according to the supatex fabric of claim 19, wherein the melt temperature of skin polymer is about 110-150 ℃.
21. according to the supatex fabric of claim 19, its SMIS polymer comprises the polypropylene of metallocene catalysis.
22. according to the supatex fabric of claim 19, wherein the skin polymer accounts for about 20-70 weight % of continuous filament yarn.
23. according to the supatex fabric of claim 19, the amount of therein ethylene in the skin polymer is less than about 1.8 weight %.
24. a fiber comprises:
A kind of bicomponent spunbond long filament, it comprises skin polymer and core polymer, the skin polymer comprises the random copolymer of polyacrylic polymer and ethene formation, the amount of ethene in the skin polymer is less than about 2 weight %, the core polymer comprises polyacrylic polymer, the melt temperature of core polymer than the melt temperature height of skin polymer at least about 15 °F.
25. according to the fiber of claim 24, the amount of therein ethylene in the skin polymer is less than about 18 weight %.
26. according to the fiber of claim 24, wherein the melt flow rate (MFR) of skin polymer and core polymer is about 30-35 gram/10 minutes.
27. according to the fiber of claim 24, wherein the melt temperature of skin polymer is about 110-150 ℃.
28. according to the fiber of claim 24, its SMIS polymer comprises the polypropylene of metallocene catalysis.
29. according to the fiber of claim 24, wherein the skin polymer accounts for about 20-70 weight % of continuous filament yarn.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/225,450 US20040038612A1 (en) | 2002-08-21 | 2002-08-21 | Multi-component fibers and non-woven webs made therefrom |
| US10/225,450 | 2002-08-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1675414A true CN1675414A (en) | 2005-09-28 |
| CN1311112C CN1311112C (en) | 2007-04-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038191148A Expired - Fee Related CN1311112C (en) | 2002-08-21 | 2003-06-25 | Multi-component fibers and non-woven webs made therefrom |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20040038612A1 (en) |
| EP (1) | EP1530655A1 (en) |
| JP (1) | JP2005536657A (en) |
| KR (1) | KR20050056950A (en) |
| CN (1) | CN1311112C (en) |
| AU (1) | AU2003253716B2 (en) |
| BR (1) | BR0313263A (en) |
| MX (1) | MXPA05001376A (en) |
| WO (1) | WO2004018746A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102124151B (en) * | 2008-08-20 | 2013-08-21 | 弗纳技术股份有限公司 | Bicomponent spunbond fiber and supunbond fabric prepared therefrom |
| CN101821330B (en) * | 2007-10-11 | 2013-09-18 | 博爱德国有限公司 | Polypropylene mixture |
| CN107385683A (en) * | 2017-08-11 | 2017-11-24 | 上海精发实业股份有限公司 | A kind of non-woven filtration media and its production and use |
| CN111587304A (en) * | 2017-11-13 | 2020-08-25 | 贝里国际公司 | Multicomponent fibers having improved inter-component adhesion |
| CN112789374A (en) * | 2018-09-28 | 2021-05-11 | 贝里国际公司 | Self-crimping multicomponent fiber and method of making same |
| CN114207070A (en) * | 2019-08-07 | 2022-03-18 | 3M创新有限公司 | Sheath-core filament and method of printing adhesive |
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| MY139729A (en) * | 2002-11-25 | 2009-10-30 | Mitsui Chemicals Inc | Nonwoven fabric capable of being elongated and composite nonwoven fabric comprising said nonwoven fabric laminated |
| WO2005073308A1 (en) * | 2004-01-26 | 2005-08-11 | The Procter & Gamble Company | Fibers and nonwovens comprising polyethylene blends and mixtures |
| BRPI0507127A (en) | 2004-01-26 | 2007-06-19 | Procter & Gamble | fibers and nonwovens comprising blends and blends of polypropylene |
| JP5094555B2 (en) * | 2008-05-23 | 2012-12-12 | キヤノン株式会社 | Ink tank |
| CN103007632B (en) * | 2012-12-31 | 2015-10-28 | 上海博格工业用布有限公司 | Efficient low-resistance non-woven filter material and preparation method |
| DE102013014920A1 (en) * | 2013-07-15 | 2015-01-15 | Ewald Dörken Ag | Bicomponent fiber for the production of spunbonded nonwovens |
| DE102013014918A1 (en) * | 2013-07-15 | 2015-01-15 | Ewald Dörken Ag | Bicomponent fiber for the production of spunbonded nonwovens |
| DE102013014917A1 (en) * | 2013-07-15 | 2015-01-15 | Ewald Dörken Ag | Bicomponent fiber for the production of spunbonded nonwovens |
| EP3097183A1 (en) * | 2014-01-24 | 2016-11-30 | The Procter & Gamble Company | Web comprising a microorganism-containing fibrous element and method for making same |
| JP6415402B2 (en) * | 2015-06-30 | 2018-10-31 | ユニ・チャーム株式会社 | Absorbent sheet |
| BR112020006050A2 (en) * | 2017-09-29 | 2020-10-06 | Dow Global Technologies Llc | bicomponent and non-woven fibers, with better elastic performance |
| KR102278013B1 (en) | 2017-12-21 | 2021-07-15 | 주식회사 엘지화학 | Method of preparation for polypropylene nonwoven |
| EP3887584B1 (en) | 2018-11-30 | 2022-08-24 | The Procter & Gamble Company | Methods for producing through-fluid bonded nonwoven webs |
| CN113166988B (en) | 2018-11-30 | 2023-04-07 | 宝洁公司 | Method of forming soft and lofty nonwoven webs |
| EP4310229A3 (en) | 2018-11-30 | 2024-04-03 | The Procter & Gamble Company | Methods for through-fluid bonding nonwoven webs |
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| US5382400A (en) * | 1992-08-21 | 1995-01-17 | Kimberly-Clark Corporation | Nonwoven multicomponent polymeric fabric and method for making same |
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| US5709921A (en) * | 1995-11-13 | 1998-01-20 | Kimberly-Clark Worldwide, Inc. | Controlled hysteresis nonwoven laminates |
| US5935612A (en) * | 1996-06-27 | 1999-08-10 | Kimberly-Clark Worldwide, Inc. | Pneumatic chamber having grooved walls for producing uniform nonwoven fabrics |
| US5874160A (en) * | 1996-12-20 | 1999-02-23 | Kimberly-Clark Worldwide, Inc. | Macrofiber nonwoven bundle |
| EP0891434B1 (en) * | 1996-12-25 | 2001-05-23 | Chisso Corporation | Heat-fusible composite fiber and non-woven fabric produced from the same |
| JPH1140772A (en) * | 1997-07-22 | 1999-02-12 | Mitsubishi Electric Corp | Semiconductor device, and its manufacture |
| US6454989B1 (en) * | 1998-11-12 | 2002-09-24 | Kimberly-Clark Worldwide, Inc. | Process of making a crimped multicomponent fiber web |
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- 2002-08-21 US US10/225,450 patent/US20040038612A1/en not_active Abandoned
-
2003
- 2003-06-25 KR KR1020057002018A patent/KR20050056950A/en not_active Application Discontinuation
- 2003-06-25 BR BR0313263A patent/BR0313263A/en not_active IP Right Cessation
- 2003-06-25 WO PCT/US2003/020138 patent/WO2004018746A1/en active Application Filing
- 2003-06-25 JP JP2004530807A patent/JP2005536657A/en active Pending
- 2003-06-25 CN CNB038191148A patent/CN1311112C/en not_active Expired - Fee Related
- 2003-06-25 AU AU2003253716A patent/AU2003253716B2/en not_active Ceased
- 2003-06-25 EP EP20030792951 patent/EP1530655A1/en not_active Withdrawn
- 2003-06-25 MX MXPA05001376A patent/MXPA05001376A/en unknown
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101821330B (en) * | 2007-10-11 | 2013-09-18 | 博爱德国有限公司 | Polypropylene mixture |
| CN102124151B (en) * | 2008-08-20 | 2013-08-21 | 弗纳技术股份有限公司 | Bicomponent spunbond fiber and supunbond fabric prepared therefrom |
| CN107385683A (en) * | 2017-08-11 | 2017-11-24 | 上海精发实业股份有限公司 | A kind of non-woven filtration media and its production and use |
| CN107385683B (en) * | 2017-08-11 | 2021-11-19 | 上海精发实业股份有限公司 | Non-woven filter medium and preparation method and application thereof |
| CN111587304A (en) * | 2017-11-13 | 2020-08-25 | 贝里国际公司 | Multicomponent fibers having improved inter-component adhesion |
| CN112789374A (en) * | 2018-09-28 | 2021-05-11 | 贝里国际公司 | Self-crimping multicomponent fiber and method of making same |
| CN114207070A (en) * | 2019-08-07 | 2022-03-18 | 3M创新有限公司 | Sheath-core filament and method of printing adhesive |
| US12023855B2 (en) | 2019-08-07 | 2024-07-02 | 3M Innovative Properties Company | Core-sheath filaments and methods of printing an adhesive |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1530655A1 (en) | 2005-05-18 |
| JP2005536657A (en) | 2005-12-02 |
| BR0313263A (en) | 2005-06-21 |
| AU2003253716A1 (en) | 2004-03-11 |
| US20040038612A1 (en) | 2004-02-26 |
| AU2003253716B2 (en) | 2008-09-25 |
| CN1311112C (en) | 2007-04-18 |
| WO2004018746A1 (en) | 2004-03-04 |
| KR20050056950A (en) | 2005-06-16 |
| MXPA05001376A (en) | 2005-04-28 |
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