WO2004048661A1 - 伸長性不織布および該不織布を積層した複合不織布 - Google Patents
伸長性不織布および該不織布を積層した複合不織布 Download PDFInfo
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- WO2004048661A1 WO2004048661A1 PCT/JP2003/015000 JP0315000W WO2004048661A1 WO 2004048661 A1 WO2004048661 A1 WO 2004048661A1 JP 0315000 W JP0315000 W JP 0315000W WO 2004048661 A1 WO2004048661 A1 WO 2004048661A1
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- nonwoven fabric
- fiber
- composite
- flow
- extensible
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Classifications
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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
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
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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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- 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
- 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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- 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]
- Y10T442/601—Nonwoven fabric has an elastic quality
-
- 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]
- Y10T442/601—Nonwoven fabric has an elastic quality
- Y10T442/602—Nonwoven fabric comprises an elastic strand or fiber material
-
- 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
-
- 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]
- Y10T442/681—Spun-bonded nonwoven fabric
Definitions
- the present invention relates to an extensible nonwoven. More specifically, the present invention relates to an extensible nonwoven fabric that can be stretched during physical stretching, has excellent fuzz resistance and surface wear characteristics, has excellent moldability and productivity, and can be hot-embossed at a low temperature. Further, the present invention relates to a composite nonwoven fabric obtained by laminating the nonwoven fabric and a disposable ommut using the same. Background art
- Non-woven fabrics are used in a variety of applications, including clothing, disposable items, and personal hygiene products.
- Nonwoven fabrics used in such applications are required to have excellent touch, physical compatibility, conformability, drape, tensile strength, and surface abrasion.
- Conventional non-woven fabrics composed of monocomponent fibers are less likely to fluff and have an excellent feel, but have not been able to obtain sufficient extensibility. For this reason, it has been difficult to use it for ommut, etc., which requires softness and extensibility.
- An object of the present invention is to provide an extensible nonwoven fabric having sufficient strength and excellent extensibility, fuzz resistance, surface wear characteristics, moldability, productivity, and heat embossing at a low temperature, and an extensible nonwoven fabric.
- An object of the present invention is to provide a composite nonwoven fabric in which an extensible nonwoven fabric is laminated. Disclosure of the invention
- the present inventors conducted intensive research to solve the above problems, and found that fibers composed of the same type of olefin polymer exhibiting different flow-induced crystallization induction periods at the same temperature exhibited high extensibility.
- the invention has been completed.
- the extensible nonwoven fabric according to the present invention is an extensible nonwoven fabric containing fibers composed of at least two olefin-based polymers, wherein the olefin-based polymers are of the same kind, and are flow-induced crystallization at the same temperature. It is based on the fact that the induction periods are different polymers.
- the fiber is a bicomponent fiber, and the component at a point (a) on the cross section of the fiber is the same as the component at a point (b) symmetrical to the point (a) with respect to the center point of the cross section. Is preferred.
- the stretchable nonwoven fabric is preferably a spunbond nonwoven fabric.
- the extensible nonwoven fabric preferably has an elongation of 70% or more at the maximum load in the machine flow direction (MD) and / or the direction perpendicular to the machine direction (CD).
- the olefin polymer is preferably a propylene polymer.
- the composite nonwoven fabric according to the present invention at least one layer of the above-mentioned stretchable nonwoven fabric is laminated.
- the disposable ommut according to the present invention contains any of the above-described extensible nonwoven fabrics.
- FIG. 1 is a graph showing the change with time of the viscosity in the melt shear viscosity measurement.
- FIG. 2 is a cross-sectional view of the fiber used in the present invention. In the figure, 1 is the center point.
- FIG. 3 is a cross-sectional view of a fiber used in the present invention.
- (A) is a cross-sectional view of a concentric core-sheath composite fiber
- (b) is a cross-sectional view of a side-piside composite fiber
- (c) is a cross-sectional view of a sea-island composite fiber.
- 2 is the core
- 3 is the sheath
- 4 is the first component
- 5 is the second component.
- FIG. 4 is a schematic diagram of a gear stretching device.
- FIG. 5 is a stress-strain diagram in a tensile test of the composite nonwoven fabric of the present invention obtained in the example.
- FIG. 6 is a stress-strain diagram when a tensile test is performed again on the composite nonwoven fabric having the stress-strain diagram shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- the extensible nonwoven fabric according to the present invention and the composite nonwoven fabric obtained by laminating the nonwoven fabric will be described.
- the flow induction crystal induction period is defined as the time from the start of the measurement until the melt shear viscosity starts to increase when the melt shear viscosity of the polymer is measured under the conditions where the measurement temperature is constant and the shear strain rate is constant. Time. Specifically, it refers to the time t i shown in FIG. In other words, it means the time from the start of measurement to the time when the melt shear viscosity changes (increases) from a constant state.
- melt viscosity measuring device used in the melt shear viscosity measurement examples include a rotary rheometer and a capillary rheometer.
- the shear strain rate is preferably set to 3 rad / s or less from the viewpoint of maintaining a stable flow even if some crystallization occurs.
- the flow field in the actual spinning process is different from the flow field in the above measurement, and the strain rate is very high.
- the flow-induced crystallization of the polymer occurs when the total strain of the system reaches a certain level, the flow-induced crystallization induction period is inversely related to the shear strain rate, and the low shear strain
- the flow-induced crystallization induction period at a high shear strain rate can be estimated from the measurement results at the rate.
- the flow field in the spinning process and the flow field in the above measurement are common in that the polymer molecules are oriented by the flow, and the measurement results at a low shear strain rate show that the flow field in the actual spinning process in the elongation flow field is low. It is possible to verify the phenomenon.
- the measured temperature during the flow-induced crystallization induction period is above the static crystallization temperature, preferably static Any temperature that is not lower than the crystallization temperature but not higher than the equilibrium melting point and that allows comparison of the flow-induced crystallization induction period of the polymer used, that is, the temperature at which the difference in the flow-induced crystallization induction period between polymers can be found Not done.
- the flow-induced crystallization induction period is preferably compared at the highest temperature among the temperatures at which the flow-induced crystallization induction period can be compared.
- the difference between the flow-induced crystallization induction periods thus compared is preferably 50 seconds or more, more preferably 100 seconds or more. The greater the difference, the more the effects of the present invention can be exhibited.
- the difference in the flow-induced crystallization induction period can be determined from the difference in the melt flow rate (MFR) and the melting point measured under the same conditions. That is, the combination of polymers having different flow-induced crystallization induction periods is any one of the following (i) to (iii).
- a combination of polymers having the same MFR and the same melting point is a combination of polymers having the same flow-induced crystallization induction period.
- olefin polymer used in the present invention examples include a homopolymer and a copolymer of ⁇ -olefin.
- homopolymers of ethylene or propylene and copolymers of propylene and at least one ⁇ -olefin selected from ⁇ -olefins other than propylene are given.
- a homopolymer of ethylene or propylene is more preferable.
- a propylene homopolymer is preferable because it can suppress the occurrence of fluffing, and is suitably used for slime and the like.
- ⁇ -olefins other than propylene examples include ethylene and hypoolefins having 4 to 20 carbon atoms. Of these, ethylene and one-year-old olefins having 4 to 8 carbon atoms are preferred, and ethylene, 1-butene, 1-pentene, 1-hexene, 1-octene, and 4-methyl-11-pentene are more preferred.
- the same type of olefin polymer refers to the following (1) to (3).
- the following (1) and (2) are for the case where only one olefin polymer is used, and the following (3) is for the case where a blend of two or more olefin polymers is used.
- homopolymer means a polymer whose main constituent unit is 90% or more.
- polypropylene containing less than 10% of ethylene units is also included in the homopolypropylene. Therefore, the term "homopolymer of the same type" refers to, for example, polyethylenes or polypropylenes, each of which is contained if the structural unit other than the main structural unit is less than 10%. Is also good.
- Same copolymers '' are copolymers in which the combination of the types of structural units is the same between the copolymers, and the difference in the ratio of each structural unit between the copolymers is less than 10% Say.
- copolymers of the same type as ethylene-propylene copolymers with 80% propylene units and 20% ethylene units have more than 70% propylene units and less than 90% and more than 10% ethylene units. Less than 30% of ethylene-propylene copolymer.
- a blend polymer obtained by mixing the polymers can also be used as one olefin polymer.
- the two or more polymers to be mixed may be the same or different.
- the term “homogeneous blend polymer” in the present invention refers to a blended polymer in which the combination of the types of polymers is the same between the blended polymers and the difference in the proportion of each polymer between the blended polymers is less than 10% by weight. Say.
- a polypropylene 80 weight 0/0 and polyethylene 20 weight 0/0 blend polymer of the same kind blend polymer consisting of polypropylene greater than 70 weight 0/0 less than 90 wt% and polyethylene exceed 10% by weight Less than 30% by weight.
- the polyethylene used in the present invention has an MFR measured at 190 ° C. under a load of 2.16 kg based on the method described in ASTM D 1238. 9090 gZl 0 minutes, particularly preferably 10-85 gZl 0 minutes.
- the ratio (MwZMn) between the weight average molecular weight (Mw) and the number average molecular weight (Mn) is preferably 1.5 to 5.
- MwZMn is in the above range, a fiber having good spinnability and excellent strength can be obtained.
- “good spinnability” refers to a state in which the yarn does not break at the time of discharge from the spinning nozzle and during drawing, and no filament fusion occurs.
- Mw and Mn were determined by gel permeation chromatography (GPC) using a column: TSKge1 GMH6HTX2, TSKge1 GMH6—HT LX2, a column temperature: 140 ° C.
- 3 Omg of the sample was dissolved in 2 OmL of o-dichlorobenzene at 145 ° C for 2 hours, and then filtered with a sintered filter with a pore size of 0.45 m. Use what you missed.
- Polypropylene has an equilibrium melting point of 185-195 ° C when the ethylene unit content is 0%.
- the polypropylene used in the present invention has an MFR measured at 230 ° C. under a load of 2.16 kg based on the method described in AST MD 1238, preferably 1 to 200 g / 10 min, more preferably The amount is from 5 to 120 g for 10 minutes, particularly preferably from 10 to 100 g of ZlO.
- the ratio (Mw / Mn) between the weight average molecular weight (Mw) and the number average molecular weight (Mn) is preferably 1.5 to 5.0, more preferably 1.5 to 3.0. When Mw / Mn is in the above range, a fiber having good spinnability and excellent strength can be obtained.
- At least two of the olefin polymers used in the present invention are separately prepared and used. At this time, it is preferable to make the olefin polymer into a pellet. When two or more polymers are used, it is preferable to use these polymers after melting and mixing, and pelletizing if necessary.
- additives may be used, if necessary, in addition to the above-mentioned olefin polymer, as long as the object of the present invention is not impaired.
- Specific additives include various stabilizers such as heat stabilizers and weather stabilizers, fillers, antistatic agents, hydrophilic agents, slip agents, antiblocking agents, anti-fogging agents, lubricants, dyes, pigments, natural Oils, synthetic oils, waxes and the like.
- Conventionally known additives can be used as these additives.
- the stabilizer examples include anti-aging agents such as 2,6-di-tert-butyl-4-methylphenol (BHT); tetrakis [methylene-13- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate ] Methane, ⁇ - (3,5-di-tert-butyl-4-hydroxyphenylinole) propionic acid alkyl ester, 2, 2'-oxamidobis [ethyl-3- (3,5-di-tert-butyl-4-hi) Phenolic antioxidants such as propionate, Irganox 101 (trade name, hindered phenolic antioxidant); zinc stearate, calcium stearate, calcium 1,2-hydroxystearate, etc.
- BHT 2,6-di-tert-butyl-4-methylphenol
- tetrakis [methylene-13- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate ] Methan
- Fatty acid metal salts such as glycerin monostearate, glycerin distearate, pentaerythritol tonolemonostearate, pentaerythritol tonorestearate and pentaerythritol tristearate. These stabilizers may be used alone or in combination of two or more.
- Examples of the filler include silica, silicate earth, alumina, oxidized titanium, magnesium oxide, pumice powder, pumice balloon, aluminum hydroxide, magnesium hydroxide, basic magnesium carbonate, dolomite, calcium sulfate, and titanium.
- Examples include acidium barium sulfate, barium sulfate, calcium sulfite, tanolek, clay, myriki, Asbestos, canoleic acid silicate, montmorillonite, bentonite, graphite, aluminum powder, and molybdenum sulfide.
- additives are preferably mixed with the above-mentioned olefin polymer.
- the additive may be mixed with one olefin polymer, or may be mixed with a plurality of olefin polymers.
- the mixing method is not particularly limited, and a known method can be used.
- the fibers used in the present invention are fibers composed of at least two olefin-based polymers of the above-mentioned olefin-based polymers, and these olefin-based polymers are of the same kind, and have the same temperature and the same shear strain rate. In this case, the flow-induced crystallization induction periods are different from each other.
- This fiber has substantially no crimpability.
- “has substantially no crimpability” means that the fibers constituting the nonwoven fabric are crimped. Does not affect the extensibility of the nonwoven fabric.
- the fiber is a conjugate fiber, as shown in FIG. 2, and a polymer component at a point (a) on the cross section of the conjugate fiber and a point symmetrical point (b) about this point (a) and the center point on the cross section. It is preferable that the polymer component in ()) is the same.
- composite fiber refers to a single fiber having two or more phases whose length has a ratio of a diameter when the cross section is assumed to be a circle suitable for being called a fiber.
- the conjugate fiber according to the present invention is a single fiber containing at least two fibrous phases composed of the above-mentioned olefin polymer, and the olefin polymer forming these phases is of the same kind and flows. Single fibers with different induced crystallization induction periods.
- conjugate fibers include core-sheath conjugate fibers, side-by-side conjugate fibers, and sea-island conjugate fibers.
- core-sheath conjugate fiber examples include concentric conjugate fibers in which the center of a circular core portion and the center of a donut-shaped sheath portion match in the fiber cross section. Of these, concentric conjugate fibers are preferred.
- FIG. 3 shows an example of a cross section of various composite fibers.
- 3A is a cross-sectional view of a coaxial core-sheath composite fiber
- FIG. 3B is a cross-sectional view of a side-by-side composite fiber
- 3C is an example of a cross-sectional view of a sea-island composite fiber.
- Each phase of these composite fibers requires at least one component to be fibrous.
- the phase is composed of a blended polymer, if at least one component of the blended polymer is fibrous for each phase, a three-dimensional sea-island structure may be formed in the phase.
- the olefinic polymer having the smallest flow-induced crystallization induction period is preferably 1 to 70% by weight, more preferably 1 to 5% by weight, based on the whole fiber. 0% by weight, particularly preferably:! To 30% by weight. If the content of the olefin polymer having the smallest flow-induced crystallinity induction period exceeds 70% by weight, good spinnability cannot be obtained. Further, when the fiber is a coaxial core-sheath type composite fiber, since the fiber has excellent spinnability and is extensible, it is preferable to use an olefin-based polymer having a smaller flow-induced crystallization induction period as the core. preferable.
- the extensible nonwoven fabric according to the present invention is a nonwoven fabric containing the above fibers.
- This stretched nonwoven fabric is preferably a spunbond nonwoven fabric.
- the extensible nonwoven fabric is preferably more preferably 3 to 1 0 0 gm in the range of 1 0 ⁇ 4 0 g Zni 2.
- basis weight is in the above range, flexibility, tactile sensation, physical suitability, followability and drapability are excellent, as well as economy and see-through.
- the extensible nonwoven fabric preferably has an elongation at the maximum load of at least 70%, more preferably at least 100%, in the machine direction (MD) and Z or the direction perpendicular to the machine direction (CD). It is more preferably at least 150%, particularly preferably at least 180%. If the elongation is less than 70%, the fiber breaks during processing such as drawing. As a result, the strength of the obtained nonwoven fabric is remarkably reduced, and fuzzing occurs. For example, it is difficult to obtain satisfactory characteristics such as a bad touch feeling when used in a disposable ommo.
- the stretchable nonwoven fabric having a basis weight in the range of 10 to 40 g / m 2 is usually at least 0%, more preferably at least 100%, still more preferably at least 150%, and particularly preferably at least 1%.
- it has an elongation ratio of 80% or more, it exhibits very satisfactory characteristics in practical aspects such as tactile sensation and fit.
- the fineness of the extensible nonwoven fabric is preferably 5.0 denier or less. When the fineness is 5.0 denier or less, the nonwoven fabric has excellent flexibility.
- the extensible nonwoven fabric according to the present invention can be manufactured by various conventionally known methods. You. For example, a dry method, a wet method, a spun bond method, a melt blow method and the like are used. These methods are properly used depending on the desired characteristics of the nonwoven fabric, but the spun-pound method is preferably used in that high productivity and a high-strength nonwoven fabric can be obtained.
- the method for producing an extensible nonwoven fabric according to the present invention will be described with reference to an example of a method for producing a spunbonded nonwoven fabric containing concentric core-sheath composite fibers composed of two olefin-based polymers.
- the method for producing the conductive nonwoven fabric is not limited to this.
- two olefin polymers are separately prepared.
- the above additive may be mixed with one of the two olefin-based polymers or on the rainy side.
- These two olefin polymers are separately melted by an extruder or the like so that one becomes a core portion and the other becomes a sheath portion, and each melt is formed to form a desired concentric core-sheath structure.
- the fiber is discharged from a spinneret having a composite spinning nozzle, and a concentric core-sheath composite long fiber is spun.
- the spun conjugate fiber is cooled by a cooling fluid, and tension is applied to the conjugate fiber by drawing air to adjust the fineness to a predetermined fineness, which is collected on a collection belt to a predetermined thickness. To be deposited. Subsequently, a confounding treatment using a needle punch, a water jet, an ultrasonic seal or the like, and a heat fusion using a hot embossing roll or the like are performed to obtain a spunbond nonwoven fabric made of a composite fiber having a desired concentric sheath structure. In the case of heat fusion using a hot embossing roll, the embossing area ratio of the embossing roll can be determined as appropriate, but is usually preferably 5 to 30%.
- the extensible nonwoven fabric according to the present invention can be hot-embossed at a low temperature. As a result, there is almost no fluffing, and it is possible to use it for omu. Further, the stretchable nonwoven fabric according to the present invention can be hot-embossed at a low temperature. This also has the effect of reducing energy costs in the production process.
- the stretchable nonwoven fabric according to the present invention may be stretched by a known method.
- a method of stretching (stretching) in the machine machine direction (MD) for example, an extensible nonwoven fabric is passed through two or more nip rolls. At this time, the extensible nonwoven fabric can be stretched by increasing the rotation speed of the Ep roll in the machine direction.
- gear stretching can be performed using the gear stretching apparatus shown in FIG.
- the composite nonwoven fabric according to the present invention has at least one stretchable nonwoven fabric layer.
- Layers other than the stretchable nonwoven layer (hereinafter, referred to as “other stretchable layers”) included in the composite nonwoven fabric are not particularly limited as long as they are at least stretchable layers. Layers are preferred.
- an elastic material having extensibility and elasticity can be used.
- the strength is preferably a sulfur rubber or a thermoplastic elastomer, and in particular, a thermoplastic elastomer is preferred because of its excellent moldability.
- thermoplastic elastomers At room temperature, thermoplastic elastomers have the same poor elastic properties as vulcanized rubber (depending on the soft segment in the molecule), and can be molded at high temperatures using existing molding machines, just like ordinary thermoplastic resins. (Depending on the hard segment in the molecule) It is a polymer material.
- thermoplastic elastomer used in the present invention examples include a urethane-based elastomer, a styrene-based elastomer, a polyestereno-based elastomer, an olefin-based elastomer, and a polyamide-based elastomer.
- the urethane-based elastomer is a polyurethane obtained from polyester or low molecular weight dalicol or the like and methylene bisphenyl isocyanate or tolylene diisocyanate.
- polylactone ester polyol Polyisocyanate obtained by addition polymerization of polyisocyanate in the presence of short-chain polyol (polyester polyurethane); Polyisocyanate added to ester polyester of adipic acid and glycol in the presence of short-chain polyol Polymerized products (polyester urethane); addition-polymerized polyisocynate in the presence of short-chain polyols to polytetramethylene dalicol obtained by ring opening of tetrahydrofuran, and the like.
- Such urethane-based elastomers include Rezamine (registered trademark, manufactured by Dainichi Seika Kogyo Co., Ltd.), Milactran (registered trademark, manufactured by Nippon Polyurethane Co., Ltd.), Elastran (registered trademark, manufactured by BASF), Pandex, Desmospan (registered trademark, manufactured by DIC-Bayer Polymer Co., Ltd.), Sten (registered trademark, BF Goodrich Tsuchi), Pelesen (registered trademark, Dow Chemical Co., Ltd.) ) Can be obtained as a commercial product.
- Rezamine registered trademark, manufactured by Dainichi Seika Kogyo Co., Ltd.
- Milactran registered trademark, manufactured by Nippon Polyurethane Co., Ltd.
- Elastran registered trademark, manufactured by BASF
- Pandex registered trademark, manufactured by BASF
- Desmospan registered trademark, manufactured by DIC-Bayer Polymer Co., Ltd.
- Sten registered trademark, BF Goodrich
- Styrene-based elastomers include SEBS (styrene Z (ethylene-butadiene) Z styrene), SIS (styrene Z isoprenenostyrene), SEPS (styreneno (ethylene-propylene) Z styrene), SBS (styrene Z butagen styrene) Styrene block copolymer such as Such styrenic elastomers are available from Kraton (registered trademark, manufactured by Shell Chemical Co., Ltd.), Kyreflex TR (registered trademark, manufactured by Shell Chemical Co., Ltd.), Solprene (registered trademark, Philips Petro Rifam), Europrene SOLT (registered trademark, manufactured by Anich), Tufprene (registered trademark, manufactured by Asahi Kasei Corporation), Sorprene T (registered trademark, manufactured by Nippon Elastomer Co., Ltd.), JSRTR (registered
- polyester-based elastomer examples include those in which an aromatic polyester is used as a hard segment and an amorphous polyether or an aliphatic polyester is used as a soft segment.
- Specific examples include a polybutylene terephthalate / polytetramethylene ether daricol block copolymer.
- the olefin-based elastomer examples include an ethylene-co-olefin random copolymer, and a copolymer obtained by copolymerizing a gen as a third component.
- ethylene / propylene such as ethylene Z propylene random copolymer, ethylene 1-butene random copolymer, ethylene Z propylene nosicic pentagen copolymer, and ethylene Z propylene / ethylidene norbornene copolymer
- EPDM Z-gen copolymer
- Such an oil-based elastomer can be obtained as a commercial product such as Toughmer (manufactured by Mitsui Chemicals, Inc.) or Mirastoma (registered trademark, manufactured by Mitsui Chemicals, Inc.).
- polyamide-based elastomer examples include a hard segment made of nylon and a soft segment made of polyester or polyol. Specific examples include a nylon 12 nopolytetramethylene dalicol block copolymer.
- urethane-based elastomers styrene-based elastomers, and polyester-based elastomers are preferred.
- urethane-based elastomers and styrene-based elastomers are preferred because they have excellent extensibility.
- Examples of the form of the other elongation layer include a filament, a net, a film, and a foam. These can be obtained by various conventionally known methods.
- the composite nonwoven fabric according to the present invention includes, for example, Other stretched layers can be obtained by joining the respective layers by a conventionally known method.
- the joining method include hot emboss joining, ultrasonic emboss joining, hot air through joining, needle punching, and joining with an adhesive.
- the adhesive used for bonding with the adhesive include a resin adhesive such as a biel acetate or a polybiol alcohol, and a rubber adhesive such as a styrene-butadiene-based styrene-isoprene-based or urethane-based adhesive. No.
- a solvent-based adhesive obtained by dissolving these adhesives in an organic solvent a water-based emulsion adhesive of the above adhesives, and the like can also be used.
- rubber-based hot melt adhesives such as styrene butadiene and styrene-isoprene are preferably used because they do not impair the feel.
- the composite nonwoven fabric according to the present invention may be stretched by a known method, similarly to the extensible nonwoven fabric.
- the extensible nonwoven fabric and composite nonwoven fabric according to the present invention are excellent in extensibility, tensile strength, fuzz resistance, surface wear characteristics, moldability, and productivity, and are suitable for medical use, sanitary materials, packaging materials, etc. It can be used for various industrial purposes, and is particularly preferably used as a disposable ommut member.
- (1) Measurement method of flow-induced crystallization induction period The flow induced crystallization induction period was measured for the temperature between the polymer's equilibrium melting point and the static crystallization temperature. Melt shear viscosity was measured under the conditions of constant temperature and constant shear strain rate, and the flow-induced crystallization induction period was determined. The measurement was started at a temperature near the equilibrium melting point. If no viscosity increase was observed within 7200 seconds from the start of the measurement, the measurement temperature was lowered and the melt shear viscosity was measured again. This operation was repeated until the flow-induced crystallization induction period was within 7200 seconds. The conditions for measuring the melt shear viscosity are shown below.
- Measuring device Rheometrics, model number ARE S
- Measurement temperature 130 ° C, 140 ° C, 150 ° C, 160 ° C, 170 ° C
- the flow induced crystal lag phase of the polymer was compared at temperatures determined by the following method. First, for each of the polymers used, the highest temperature at which the flow-induced crystallization induction period was confirmed within 7200 seconds was selected from among the measured temperatures (hereinafter, this temperature is referred to as the “selected temperature”). Next, the highest selected temperature among all selected temperatures was set as the comparative temperature, and the flow-induced crystallization induction period at this comparative temperature was compared.
- melt flow rate (MFR) of the polymer was measured according to ASTM D 1238.
- the measurement conditions for each polymer are as follows.
- Polypropylene 230. C, 2.16 kg load
- the polymer was heated at a rate of 10 ° C / min to 200 ° C under a nitrogen atmosphere, kept at this temperature for 10 minutes, and then cooled to 30 ° C in 10 ° CZ minutes.
- the exothermic peak temperature at the time of cooling is the crystallization temperature.
- the crystallization temperature + 20 ° C measured by the above method was empirically set as the static crystallization temperature.
- test pieces with a flow direction (MD) of 25 mm and a cross direction (CD) of 2.5 mm, and a flow direction (MD) of 2.5 mm and a cross direction (CD) of 25 Five mm test pieces were collected.
- the former test piece was subjected to a tensile test using a constant-speed elongation type tensile tester under the conditions of 100 mm between chucks and 100 mmZ for a tensile speed.
- the maximum load in the flow direction, the rate of extension of the test piece at the time of maximum load and at the time of breakage (zero load) were measured, and the average value of five test pieces was obtained.
- test piece was subjected to a tensile test, and the maximum load in the lateral direction, the rate of extension of the test piece at the time of maximum load and at the time of fracture were measured, and the average value of the five test pieces was obtained.
- test piece having a flow direction (MD) of 25 mm and a transverse direction (CD) of 20 mm were collected from the obtained nonwoven fabric. This was attached to the sample holder of the brush and sponge type tester, and a felt was attached instead of the brush and sponge, and rubbed 200 times at a speed of 58Z minutes (rpm). The test piece after the friction was visually judged and evaluated according to the following criteria.
- MD flow direction
- CD transverse direction
- Table 1 shows the physical properties of the polypropylenes (PP 1 to PP 5) used in the examples and comparative examples.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 1, except that PP4 was used instead of PP3 as the sheath, and the embossing temperature was changed from 120 ° C to 100 ° C. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 2 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 1, except that PP5 was used as the sheath instead of PP3, and the embossing temperature was changed from 120 ° C to 80 ° C. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 2 shows the results.
- a spunbond nonwoven fabric was produced in the same manner as in Example 3, except that PP2 was used as the core instead of PP1, and the embossing temperature was changed from 80 ° C to 100 ° C. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 2 shows the results.
- a spunbond nonwoven fabric was produced in the same manner as in Example 1, except that the weight ratio of the core and the sheath was changed from 10 to 90 to 20Z80, and the embossing temperature was changed from 120 to 100 ° C. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 2 shows the results.
- a spunbond nonwoven fabric was produced in the same manner as in Example 2, except that the weight ratio between the core and the sheath was changed from 10Z90 to 20 ° 80, and the embossing temperature was changed from 100 ° C to 80 ° C. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 2 shows the results.
- Example 2 Example except that the weight ratio between the core and the sheath was changed from 10 to 90 to 20 to 80 In the same manner as in 3, a spunbond nonwoven fabric was produced. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 2 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 4, except that the weight ratio between the core and the sheath was changed from 10/90 to 20/80. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 3 shows the results.
- Example 4 The same as in Example 4 except that the weight ratio of 7 ⁇ 3 ⁇ 45 and the sheath was changed from 109 to 50/50 and the emboss temperature was changed from 100 to 70 ° C Spunbond nonwoven fabric was produced. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 3 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 9, except that PP3 was used instead of PP2 as the core. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 3 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 1, except that the embossing temperature was changed from 120 to 100 ° C and the fineness of the constituent fibers was changed from 3.5 denier to 2.5 denier. Each physical property of the obtained spun pound nonwoven fabric was measured. The result Table 3 shows.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 5, except that the fineness of the constituent fibers was changed from 3.5 denier to 2.5 denier. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 3 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 2, except that the fineness of the constituent fibers was changed from 3.5 denier to 2.5 denier. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 3 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 6, except that the fineness of the constituent fibers was changed from 3.5 denier to 2.5 denier. Each raw material of the obtained spunbonded nonwoven fabric was measured. Table 3 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 3, except that the fineness of the constituent fibers was changed from 3.5 denier to 2.5 denier. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 4 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 7, except that the fineness of the constituent fibers was changed from 3.5 denier to 2.5 denier. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 4 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 4, except that the fineness of the constituent fibers was changed from 3.5 denier to 2.5 denier.
- the resulting spunbond nonwoven Were measured for physical properties. Table 4 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Example 9 except that the fineness of the constituent fibers was changed from 3.5 denier to 2.5 denier. Each Fe of the obtained spunbonded nonwoven fabric was measured. Table 4 shows the results.
- PE 1 polyethylene
- MFR 190 ° C, 2.16 kg load
- ASTM D 1238 having a density of 60 g Z for 10 minutes, a density of 0.93 g Z cm 3 , and a melting point of 1 15 ° C. used.
- a spun pound nonwoven fabric was produced in the same manner as in Example 11 except that PE1 was used as the sheath instead of PP5, and the embossing temperature was changed from 100 ° C to 110. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 4 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Comparative Example 2, except that PP4 was used instead of PP3. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 5 shows the results.
- a spunbonded nonwoven fabric was produced in the same manner as in Comparative Example 2, except that the embossing temperature was changed from 130 ° C to 80 ° C. Each physical property of the obtained spunbonded nonwoven fabric was measured. Table 5 shows the results.
- Example 1 Example 2 Example 3 Example 4 Example 5 Example 5 Example 6 Example 7 Example 8 Core (A)
- MFR (g / 10 min) 60 60 60 60 60 60 60 60 60 Melting point (° C) 162 142 138 138 162 142 138 162 Weight ratio of core and sheath (A / B) 10/90 10/90 10/90 10/90 20 / 80 20/80 20/80 20/80 Heat embossing temperature (° c) 120 100 80 100 100 80 80 120 Fineness (d) 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5
- Resin PP5 PP5 PP5 PP5 PE1 Flow-induced crystallization induction period (140 ° C) (sec)> 7200> 7200> 7200> 7200 ⁇
- Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 Shelf PP3 PP4 PP3 PP3 Flow-induced crystallization induction period (140 ° C) (sec) 399> 7200 399 399
- Composite melt spinning is performed using PP 1 as the core and PP 3 as the sheath, and concentric core-sheath type composite fibers with a weight ratio of 10 OZ90 between the core and the sheath are deposited on the collecting surface.
- a SEP S (styrene / (ethylene-propylene) Z styrene) block copolymer (trade name: SEP S2002, manufactured by Kuraray Co., Ltd.) is sprayed by a known melt blow molding to prepare a laminate. did.
- composite melt spinning is performed using PP 1 as a core and PP 3 as a sheath, and a concentric core-sheath type composite fiber having a core / sheath weight ratio of 10/90 is formed on the laminate.
- the sediment was subjected to a heating calo-pressure treatment (emboss area ratio: 18%, emboss temperature: 120 ° C) with an embossed mouth to produce a spunbond Z meltblown / spunbond nonwoven fabric with a basis weight of 130.
- a test piece having a width of 5 Omm was prepared from the obtained nonwoven fabric. The test piece was stretched to 180% using a tensile tester, and then the stretch ratio was returned to 0%.
- Figure 5 shows the stress-strain diagram at this time. Further, after stretching this test piece to 180%, the stretching ratio was returned to 0%.
- FIG. 6 shows the stress-strain diagram at this time. No breakage of filaments was observed in the spun-pound nonwoven fabric layer of the test piece after the tensile test. The evaluation of the fluffing test was “5”. Industrial applicability
- an extensible nonwoven fabric excellent in extensibility, tensile strength, fuzz resistance, surface wear characteristics, moldability, and productivity, and a composite nonwoven fabric including the extensible nonwoven fabric can be obtained.
- These extensible nonwoven fabrics and composite nonwoven fabrics can be used for various industrial applications such as medical use, hygiene materials, and packaging materials. It is preferably used as a member for ommut.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Multicomponent Fibers (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Laminated Bodies (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
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US10/535,264 US7829487B2 (en) | 2002-11-25 | 2003-11-25 | Extensible nonwoven fabric and composite nonwoven fabric comprising the same |
EP20030811919 EP1566475B1 (en) | 2002-11-25 | 2003-11-25 | Extensible nonwoven fabric and composite nonwoven fabric comprising the same |
JP2004555028A JP4869599B2 (ja) | 2002-11-25 | 2003-11-25 | 伸長性不織布および該不織布を積層した複合不織布 |
BR0316662A BR0316662A (pt) | 2002-11-25 | 2003-11-25 | Tecido não tecido extensìvel, tecido não tecido compósito e fralda descartável |
AU2003302449A AU2003302449A1 (en) | 2002-11-25 | 2003-11-25 | Nonwoven fabric capable of being elongated and composite nonwoven fabric comprising said nonwoven fabric laminated |
DK03811919.4T DK1566475T3 (en) | 2002-11-25 | 2003-11-25 | EXTENSIVE NONWOVEN FABRIC AND COMPOSITE NONWOVEN FABRIC COMPREHENSIVE |
CN2003801039348A CN1714188B (zh) | 2002-11-25 | 2003-11-25 | 延伸性无纺布和层叠有该无纺布的复合无纺布 |
MXPA05005608A MXPA05005608A (es) | 2002-11-25 | 2003-11-25 | Material no tejido con capacidad para ser alargado y material compuesto no tejido que comprende dicho material no tejido laminado. |
US12/895,687 US20110022014A1 (en) | 2002-11-25 | 2010-09-30 | Extensible nonwoven fabric and composite nonwoven fabric comprising same |
Applications Claiming Priority (2)
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JP2002-341548 | 2002-11-25 | ||
JP2002341548 | 2002-11-25 |
Related Child Applications (1)
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US12/895,687 Continuation US20110022014A1 (en) | 2002-11-25 | 2010-09-30 | Extensible nonwoven fabric and composite nonwoven fabric comprising same |
Publications (1)
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WO2004048661A1 true WO2004048661A1 (ja) | 2004-06-10 |
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PCT/JP2003/015000 WO2004048661A1 (ja) | 2002-11-25 | 2003-11-25 | 伸長性不織布および該不織布を積層した複合不織布 |
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PCT/JP2003/015001 WO2004048663A1 (ja) | 2002-11-25 | 2003-11-25 | 伸長性不織布および該不織布を積層した複合不織布 |
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US (2) | US7829487B2 (ja) |
EP (1) | EP1566475B1 (ja) |
JP (2) | JP4869599B2 (ja) |
KR (1) | KR100698005B1 (ja) |
CN (1) | CN1714188B (ja) |
AU (2) | AU2003302449A1 (ja) |
BR (1) | BR0316662A (ja) |
DK (1) | DK1566475T3 (ja) |
MX (1) | MXPA05005608A (ja) |
MY (1) | MY139729A (ja) |
TW (2) | TWI270590B (ja) |
WO (2) | WO2004048663A1 (ja) |
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JP2011503367A (ja) * | 2007-10-11 | 2011-01-27 | ファイバーウェブ コロビン ゲーエムベーハー | ポリプロピレン混合物 |
US8067320B2 (en) | 2006-02-06 | 2011-11-29 | Mitsui Chemicals, Inc. | Spunbonded nonwoven fabric |
WO2012070518A1 (ja) * | 2010-11-25 | 2012-05-31 | 三井化学株式会社 | スパンボンド不織布積層体 |
JP2015059285A (ja) * | 2013-09-20 | 2015-03-30 | 株式会社クラレ | 不織繊維構造体 |
JP5894333B1 (ja) * | 2014-10-17 | 2016-03-30 | 花王株式会社 | 不織布 |
JP2018168509A (ja) * | 2017-03-30 | 2018-11-01 | 三井化学株式会社 | スパンボンド不織布および衛生材料 |
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CA2554103C (en) | 2004-01-26 | 2010-09-21 | The Procter & Gamble Company | Fibers and nonwovens comprising polypropylene blends and mixtures |
US7833211B2 (en) | 2006-04-24 | 2010-11-16 | The Procter & Gamble Company | Stretch laminate, method of making, and absorbent article |
TW200934897A (en) * | 2007-12-14 | 2009-08-16 | Es Fiber Visions Co Ltd | Conjugate fiber having low-temperature processability, nonwoven fabric and formed article using the conjugate fiber |
WO2010024147A1 (ja) * | 2008-08-25 | 2010-03-04 | 三井化学株式会社 | 繊維、不織布及びその用途 |
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EP3187634B1 (en) | 2014-08-27 | 2020-09-30 | Kuraray Co., Ltd. | Stretchable non-woven fabric having excellent repetition durability |
JP6082055B2 (ja) * | 2015-06-03 | 2017-02-15 | ポリプラスチックス株式会社 | 環状オレフィン系樹脂含有サーマルボンド不織布 |
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US20200362492A1 (en) * | 2018-01-24 | 2020-11-19 | Mitsui Chemicals, Inc. | Spunbonded nonwoven fabric, hygiene material, and method for producing spunbonded nonwoven fabric |
CZ2018647A3 (cs) | 2018-11-23 | 2020-06-03 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Objemná netkaná textilie se zvýšenou stlačitelností a zlepšenou schopností regenerace |
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-
2003
- 2003-11-24 MY MYPI20034522A patent/MY139729A/en unknown
- 2003-11-25 MX MXPA05005608A patent/MXPA05005608A/es unknown
- 2003-11-25 BR BR0316662A patent/BR0316662A/pt not_active IP Right Cessation
- 2003-11-25 AU AU2003302449A patent/AU2003302449A1/en not_active Abandoned
- 2003-11-25 JP JP2004555028A patent/JP4869599B2/ja not_active Expired - Lifetime
- 2003-11-25 DK DK03811919.4T patent/DK1566475T3/en active
- 2003-11-25 KR KR1020057009346A patent/KR100698005B1/ko active IP Right Grant
- 2003-11-25 AU AU2003284440A patent/AU2003284440A1/en not_active Abandoned
- 2003-11-25 CN CN2003801039348A patent/CN1714188B/zh not_active Expired - Lifetime
- 2003-11-25 WO PCT/JP2003/015001 patent/WO2004048663A1/ja active Application Filing
- 2003-11-25 TW TW92133020A patent/TWI270590B/zh not_active IP Right Cessation
- 2003-11-25 EP EP20030811919 patent/EP1566475B1/en not_active Expired - Lifetime
- 2003-11-25 WO PCT/JP2003/015000 patent/WO2004048661A1/ja active Application Filing
- 2003-11-25 US US10/535,264 patent/US7829487B2/en not_active Expired - Lifetime
- 2003-11-25 TW TW92133018A patent/TW200415278A/zh unknown
- 2003-11-25 JP JP2004555029A patent/JPWO2004048663A1/ja active Pending
-
2010
- 2010-09-30 US US12/895,687 patent/US20110022014A1/en not_active Abandoned
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WO2001049908A2 (en) * | 1999-12-30 | 2001-07-12 | Bba Nonwovens Simpsonville, Inc. | Multicomponent fibers and fabrics made using the same |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8067320B2 (en) | 2006-02-06 | 2011-11-29 | Mitsui Chemicals, Inc. | Spunbonded nonwoven fabric |
JP4943349B2 (ja) * | 2006-02-06 | 2012-05-30 | 三井化学株式会社 | スパンボンド不織布 |
JP2011503367A (ja) * | 2007-10-11 | 2011-01-27 | ファイバーウェブ コロビン ゲーエムベーハー | ポリプロピレン混合物 |
CN101821330B (zh) * | 2007-10-11 | 2013-09-18 | 博爱德国有限公司 | 聚丙烯混合物 |
WO2012070518A1 (ja) * | 2010-11-25 | 2012-05-31 | 三井化学株式会社 | スパンボンド不織布積層体 |
JP5670475B2 (ja) * | 2010-11-25 | 2015-02-18 | 三井化学株式会社 | スパンボンド不織布積層体 |
KR101533167B1 (ko) * | 2010-11-25 | 2015-07-01 | 미쓰이 가가쿠 가부시키가이샤 | 스펀본드 부직포 적층체 |
JP2015059285A (ja) * | 2013-09-20 | 2015-03-30 | 株式会社クラレ | 不織繊維構造体 |
JP5894333B1 (ja) * | 2014-10-17 | 2016-03-30 | 花王株式会社 | 不織布 |
JP2018168509A (ja) * | 2017-03-30 | 2018-11-01 | 三井化学株式会社 | スパンボンド不織布および衛生材料 |
Also Published As
Publication number | Publication date |
---|---|
US7829487B2 (en) | 2010-11-09 |
DK1566475T3 (en) | 2015-03-02 |
CN1714188A (zh) | 2005-12-28 |
EP1566475A4 (en) | 2010-06-09 |
TW200415278A (en) | 2004-08-16 |
TWI270590B (en) | 2007-01-11 |
EP1566475B1 (en) | 2015-01-14 |
AU2003284440A1 (en) | 2004-06-18 |
BR0316662A (pt) | 2005-10-11 |
US20110022014A1 (en) | 2011-01-27 |
MXPA05005608A (es) | 2005-07-27 |
US20060052022A1 (en) | 2006-03-09 |
CN1714188B (zh) | 2011-06-01 |
TW200416315A (en) | 2004-09-01 |
KR100698005B1 (ko) | 2007-03-23 |
WO2004048663A1 (ja) | 2004-06-10 |
AU2003302449A1 (en) | 2004-06-18 |
JPWO2004048663A1 (ja) | 2006-03-23 |
EP1566475A1 (en) | 2005-08-24 |
KR20050086766A (ko) | 2005-08-30 |
JPWO2004048661A1 (ja) | 2006-03-23 |
MY139729A (en) | 2009-10-30 |
JP4869599B2 (ja) | 2012-02-08 |
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