WO1992015734A1 - Fibre composite a enveloppe poreuse - Google Patents

Fibre composite a enveloppe poreuse Download PDF

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Publication number
WO1992015734A1
WO1992015734A1 PCT/JP1992/000261 JP9200261W WO9215734A1 WO 1992015734 A1 WO1992015734 A1 WO 1992015734A1 JP 9200261 W JP9200261 W JP 9200261W WO 9215734 A1 WO9215734 A1 WO 9215734A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheath
fiber
porous
composite fiber
core
Prior art date
Application number
PCT/JP1992/000261
Other languages
English (en)
Japanese (ja)
Inventor
Isamu Takahashi
Yoshio Iida
Original Assignee
Ube-Nitto Kasei Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ube-Nitto Kasei Co., Ltd. filed Critical Ube-Nitto Kasei Co., Ltd.
Priority to JP4506083A priority Critical patent/JP2989267B2/ja
Publication of WO1992015734A1 publication Critical patent/WO1992015734A1/fr

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Classifications

    • 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
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43825—Composite fibres
    • D04H1/43828—Composite fibres sheath-core
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—Polyamides
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
    • D04H1/43916—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres microcellular fibres, e.g. porous or foamed fibres
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
    • D04H1/43918—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres nonlinear fibres, e.g. crimped or coiled fibres

Definitions

  • the present invention relates to a composite fiber having a sheath portion formed by making a polyolefin-based synthetic resin porous, and more particularly to a porous fiber having practically usable fiber strength and force-treatability.
  • a porous water-absorbing polyester fiber or the like has been used as a fiber for clothing, and water absorbing performance has been provided to improve comfort.
  • polyolefin microporous fibers have been developed as various kinds of hollow fiber membranes for separation, and are widely used in the fields of medicine, engineering, and consumer use. Many such microporous fibers have been developed in the past, but there were technical difficulties in controlling the shape or size of the holes.
  • polyolefin-based porous fiber propylene or polyethylene is spun hollow at low temperature and high draft, and after heat treatment, is stretched to a predetermined magnification or stretched at cryogenic temperature. Then, it is known to obtain hollow fibers having strip-shaped voids by so-called lamellae, but these are mainly used as the above-mentioned hollow fiber membranes and the like.
  • the denier is relatively large and the pore size is relatively small, making it unsuitable for applications that make use of functions such as liquid retention and ripening.
  • the present inventors have studied porous fibers having relatively low denier, and as the porosity of the porous fiber is increased, the strength of the arrowhead fiber is significantly reduced, which causes a practical problem. Know that there is I got it. In other words, in the case of fibers with high porosity, the strength is greatly reduced, and when the fibers are processed into a nonwoven fabric, woven fabric, or the like, only low-strength fibers can be obtained. Further, for example, even if the porous fiber is made of high-density polyethylene and has a porosity of 30 to 50%, it is difficult to impart crimp in the fiber manufacturing process, and therefore, it is necessary to use a card. At the time of processing, there is a problem that the fiber sinks into the card cylinder, the web connection is poor, and uniform carding cannot be performed.
  • polyethylene-based porous fibers need to be sufficiently resistant to use in boiling water and disinfection by steam. It is mixed with a binder fiber consisting of a composite fiber of polyethylene fiber and polyethylene propylene, applied to a card and made into a web, and then passed through a heat roller such as an emboss roller or a force render roller to be thermally bonded.
  • a heat roller such as an emboss roller or a force render roller to be thermally bonded.
  • the overall effect is about 130 V in the case of a porous fiber, and shrinkage increases the effect and decreases the porosity.
  • the surface temperature of the heat roller could not be raised to 120 ° C. or more even when the fabric was formed, and the productivity of the nonwoven fabric was low. Accordingly, the present inventors have conducted intensive studies on the practical strength, good card permeability, and the structure of polyolefin-based porous fibers that can withstand higher temperatures during nonwoven fabric manufacturing and nonwoven fabric use, and completed the present invention. did.
  • the composite fiber according to the present invention is a sheath-core type composite fiber comprising a sheath made of a polyolefin-based synthetic resin made porous and a nonporous core, wherein the sheath has an apparent appearance.
  • the basic feature is that the cross-sectional area is in the range of 20 to 80% of the total cross-sectional area of the fiber.
  • Polyethylene and polypropylene are suitable as the polyolefin resin that can be used in the present invention.
  • the melt flow rate is determined by a measurement method according to ASTM D12238.
  • High-density polyethylene with an (MFR) value of 0.3 to 20 g / lO min (HDPE) is recommended.
  • the polypropylene has a density of about 0.90 or more and an MFR value in the range of 0.5 to 20 gZ10 minutes by the same measuring method.
  • the melt viscosity during melt spinning after mixing with paraffin-pack at the time of forming the porous body becomes inadequate, and a problem occurs during spinning.
  • a paraffin wax mainly composed of a saturated aliphatic compound, a hydrocarbon compound, etc. This can be achieved by eluting the wax with a solvent.
  • the resin component used in the core of the composite fiber of the present invention has a melting point difference from a homopolymer such as high-density polyethylene or polypropylene or a polyolefin resin such as copolymer, or HDPE in the sheath.
  • a homopolymer such as high-density polyethylene or polypropylene or a polyolefin resin such as copolymer, or HDPE in the sheath.
  • Approximately 70 or less low melting point or low melting point Polyester resin and the like can be mentioned, but polypropylene homopolymer is desirable from the viewpoint of fiber physical properties and suitability for composite spinning.
  • the cross-sectional area ratio between the sheath and the core should be such that the apparent cross-sectional area of the sheath is within the range of 2 ⁇ ⁇ of the total cross-sectional area of the fiber.
  • the ratio of the porous portion is small, and the function of the porous fiber cannot be sufficiently exhibited.
  • the content exceeds 80%, the strength retention by the core is insufficient and the strength becomes practical. I can't reach it.
  • the apparent cross-sectional area of the sheath is a cross-sectional area defined by the maximum outer periphery of the sheath and the outer periphery of the core, and is an area including a void portion.
  • the total cross-sectional area of the fiber is the sum of the apparent cross-sectional area of the sheath and the cross-sectional area of the core.
  • the composite fiber having a porous sheath portion of the present invention is composed of a porous sheath portion and a solid core portion, the crimping is performed on the core portion in the crimping process to the fiber. Therefore, crimping is sufficient, and strength can be ensured by the core, so that entanglement between single fibers is possible, and problems of card suitability and strength, which have been problems in the past, are effective. Can be resolved.
  • the composite fiber of the present invention is composed of a porous sheath and a solid core, the core suppresses shrinkage when heated, so that the shrinkage of the porous sheath is entirely reduced. It becomes smaller than the case where it is made of a porous material, the decrease in the porosity of the porous sheath portion due to heating is small, and the heat resistance of the entire composite fiber is improved.
  • HDPE with MFR value of 5.5 g '10 min as raw material for sheath (Mitsui Petrochemical: Hi-Zex 220 J) 100 parts by weight, density 0.78 g / cc, melting point 59 ° C paraffin wax (Nippon Oil 135 degree paraffin ) After mechanically mixing with 100 parts by weight, put them in a flat bottomed container, put them in an oven of 150 hours for 2.5 hours, make them homogeneously compatible, cool and solidify. This was crushed to prepare a raw material for melt spinning.
  • a raw material for the core part polypropylene (TS365, manufactured by Ube Industries, Ltd.) with an MFR value of 8 OgZl0 was used, and two units with a screw diameter of 32 mm were used.
  • the above-mentioned raw material for the sheath portion is supplied to the extruder for the sheath portion by a sheath-core composite spinning device which is composed of an extruder and has a composite nozzle of 0.40 ⁇ 500 H attached thereto.
  • An undrawn yarn of 10 denier was spun at a nozzle temperature of 170 ° C. and a spinning speed of 400 m / min with a core cross-sectional area ratio of 5: 5.
  • the porosity will be about 15%.
  • the undrawn yarn is bundled to about 20,000 denier, and the first drawing roller speed is 8 m minutes and the second drawing roller speed is 32 mZ minutes under a 100 ° C. atmosphere using a drawing roller. And stretched 4 times and wound up on a bobbin.
  • the fiber wound on the bobbin is subjected to a constant-length heat treatment in an oven set at 110 ° C. for one hour, and then crimped at a rate of 12 pieces / inch using a lid box type crimper. After crimping with a target of, this fiber is pressed to about 51 mm to make it into a short fiber form, which is then put into a Soxhlet extractor and sheathed with n-hexane. Extract the paraffin mix of the Was done.
  • the resulting composite fiber had a denier of 2.5 densities, a strength of 2.59 g Zd, an elongation of 150 ° C., a number of crimps of 12.5 pieces, an inch, and a porosity of 35.3%.
  • the porosity was calculated from the following equation.
  • Diameter denier 1 R 2 X i) 0 x 9 0 0 0 X l 0 5
  • Example 2 In the same manner as in Example 1 except that the same sheath material and core material as in Example 1 were used, the cross-sectional area ratio of the sheath core was 8: 2, and the nozzle temperature was 160 ° C. After spinning 10 denier undrawn, and then drawing, heat treatment, crimping, and pressing as in Example 1, this was put into a Soxhlet extractor, and the sheath portion was similarly drawn. Porosity was performed.
  • the obtained fiber had a denier of 2.1, a strength of 1. gsg./d, and an elongation.
  • Example 4 The same material as that of Example 1 was used for the sheath portion, and polypropylene having an MFR value of 48 (Ube Industries, Ltd .: ZS-1238) was used as the core material. The one having a core ratio of 7: 3 (Example 3) and the other having a core ratio of 2: 8 (Example 4) were spun. In Example 4, the nozzle temperature was set at 200 ° C., and the other conditions were the same as in Example 1 for both Examples 3 and 4.
  • the composite fiber obtained was that of Example 3, 2.2 denier.
  • the strength was 2.15 g / d, the elongation was 95, the porosity was 46.5%, and that of Example 4 was 3.1 denier, strength 3.10 g Zd, elongation 150%, porosity 17.0%, all of which have good cardability.
  • Example 2 The same raw material as in Example 1 was used for the sheath, and the melting point was 176 to 18 (low melting point nylon of TC (Ube Industries, Ltd .: 3035U)) for the core, and the sheath-to-core ratio was 5: 5.
  • a composite fiber was obtained in the same manner as in Example 1 except that a 10-denier undrawn yarn was obtained at a nozzle temperature of 170.
  • the composite fiber had 2.4 denier, a strength of 2.36 g Zd, an elongation of 180%, and a porosity of 33.8 ⁇ 3 ⁇ 4, and had good force permeability. Comparative Examples 1 and 2
  • Polypropylene with an MFR value of 310 minutes (Ube Industries, Ltd .: YK121) 100 parts by weight and paraffin wax (Nippon Oil Co., Ltd .: 135 ° paraffin) After 100 parts by weight were mechanically mixed with the mixture, the mixture was placed in a flat-bottomed container and placed in a 180 ° C oven for 2.5 hours to allow both to be uniformly mixed, and then cooled. It was solidified and pulverized to obtain a sheath material for melt spinning.
  • the core is made of polypropylene (MFR value: 48, manufactured by Ube Industries, Ltd .: ZS-1238), and is composed of two extruders with a screw diameter of 32 mm.
  • the above-mentioned raw material for the sheath portion is supplied to the extruder for the sheath portion by the sheath-core compound spinning device having a composite nozzle of 0.4 ⁇ X500H attached, and the cross-sectional area ratio of the sheath core is set to 8 As a ratio of 2, a 10-denier undrawn yarn was spun at a nozzle temperature of 200 and a spinning speed of 400 minutes.
  • the undrawn yarns are bundled to about 20,000 denier, and the first drawing roller speed is 8 m / min and the second drawing port speed is 24 m / min by a drawing roller in an atmosphere of 100 ° C.
  • the film was stretched three times and wound on a bobbin.
  • the fiber as wound on this bobbin is heat-treated for 1 hour in an oven at 130 ° C, and then 12 pieces of Z-inch with a staffing box type crimper.
  • this fiber After crimping with the number of crimps as a target, this fiber is pressed to about 51 mm to make it into a short fiber, and then put into a Soxhlet extractor, and n-hex The paraffin wax in the sheath was extracted by Sun to make the sheath porous.
  • the obtained composite textile had a strength of 2.2 g Zd and an elongation of 360 porosity of 259, and had good force properties.
  • Example 6 the raw material of the sheath part of Example 6 was used, and a 0.4- ⁇ x 160-hole nozzle was attached to a single-screw spinning machine with a screw diameter of 25 mm. After spinning a 10-denier undrawn yarn at a nozzle temperature of 175 ° C., a porous fiber was obtained in the same manner as in Example 6, except that the drawing ratio was set to 3 times. The obtained fiber had a strength of 1.9 g d, an elongation of 450%, and a porosity of 2696.
  • the porosity is equal to or higher than that of the whole, despite the small content of paraffin wax.
  • Example 2 has a porosity of 48.8 ⁇ 3 ⁇ 4 with a paraffin wax of 40.
  • Comparative Example 1 is a 5 0 0 porosity 4 5 paraffin I Nwa click scan of.
  • the sheath of Example 2 has a porosity of 61% '.
  • the reason for this is considered as follows. In other words, the spinning temperature must be increased because a high-melting polypropylene component is added during spinning, and as a result, the porous sheath tends to cool more slowly. Spun in a lamellar crystal It is presumed that the length is promoted and the pore size increases.
  • Comparative Example 1 since the spinning is performed with a single PE porous portion, raising the nozzle temperature and performing the cooling conditions more slowly deteriorates the spinnability or deniers. It is not preferable because it causes an increase in unevenness.
  • the composite textile of Example 6 since the composite textile of Example 6 has high heat resistance, it is expected to be used as a liquid filter used in boiling water and can be subjected to high-temperature sterilization (130 ° C) using an autoclave. .
  • the strength is high, the card suitability is improved, and the heat resistance is also provided, so that a high-temperature liquid filter or high-temperature sterilization is possible. It can be used as a raw material for non-woven fabrics.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Multicomponent Fibers (AREA)

Abstract

Fibre composite présentant une résistance suffisante pour l'usage pratique, se prêtant facilement au cardage et résistant à une température élevée lors de son élaboration ou de son utilisation sous forme de tissu non tissé, pourvue d'une enveloppe composée d'une résine synthétique de la série des polyoléfines poreuses. L'âme est non poreuse. Un profil en coupe fait apparaître une enveloppe représentant 20 à 80 % de la surface totale de la coupe transversale. Ladite résine synthétique de la série des polyoléfines, est de préférence un polyéthylène ou un polypropylène de haute densité. Cette résine est rendue poreuse en la mélangeant à de la cire paraffine, laquelle est ensuite extraite après le filage. L'âme est constituée de résine polypropylène, de nylon à point de fusion bas, et de polyester à point de fusion bas.
PCT/JP1992/000261 1991-03-05 1992-03-05 Fibre composite a enveloppe poreuse WO1992015734A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4506083A JP2989267B2 (ja) 1991-03-05 1992-03-05 多孔質鞘部を有する複合繊維

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6237391 1991-03-05
JP3/62373 1991-03-05

Publications (1)

Publication Number Publication Date
WO1992015734A1 true WO1992015734A1 (fr) 1992-09-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1992/000261 WO1992015734A1 (fr) 1991-03-05 1992-03-05 Fibre composite a enveloppe poreuse

Country Status (2)

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EP (1) EP0528048A4 (fr)
WO (1) WO1992015734A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07130347A (ja) * 1993-10-28 1995-05-19 Ube Nitto Kasei Co Ltd バッテリセパレータ
JPH07145512A (ja) * 1993-11-17 1995-06-06 Japan Vilene Co Ltd 多孔質繊維の製造方法
JP2017512920A (ja) * 2014-04-10 2017-05-25 スリーエム イノベイティブ プロパティズ カンパニー 繊維及び該繊維を含む物品
JP2019534956A (ja) * 2016-09-26 2019-12-05 ザ ボード オブ トラスティーズ オブ ザ レランド スタンフォード ジュニア ユニバーシティー ヒト身体冷却のための赤外線−透明のポリマー繊維系織布

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JP4315663B2 (ja) * 2002-10-17 2009-08-19 ユニチカ株式会社 芯鞘状複合長繊維よりなる不織布の製造方法
CN106948028A (zh) * 2017-02-17 2017-07-14 武汉纺织大学 多孔皮芯复合纤维及其制备方法

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JPS5943118A (ja) * 1982-08-31 1984-03-10 Chisso Corp ポリオレフイン発泡繊維およびその製造方法
JPS5976919A (ja) * 1982-10-22 1984-05-02 Chisso Corp 可染性発泡ポリオレフイン繊維及びその製造方法
JPS6028565A (ja) * 1983-07-22 1985-02-13 チッソ株式会社 不織布
JPS6244046B2 (fr) * 1983-12-28 1987-09-18 Mitsubishi Rayon Co
JPH0240764B2 (fr) * 1984-04-04 1990-09-13 Mitsui Petrochemical Ind

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US4342811A (en) * 1979-12-28 1982-08-03 Albany International Corp. Open-celled microporous sorbent-loaded textile fibers and films and methods of fabricating same
JPS60232927A (ja) * 1984-05-07 1985-11-19 Mitsui Petrochem Ind Ltd ポリエチレンの延伸物の製造法
JPH0192414A (ja) * 1987-03-02 1989-04-11 Ube Nitto Kasei Co Ltd 脱臭性複合繊維
JP2550204B2 (ja) * 1990-05-01 1996-11-06 宇部日東化成 株式会社 多孔質繊維の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5943118A (ja) * 1982-08-31 1984-03-10 Chisso Corp ポリオレフイン発泡繊維およびその製造方法
JPS5976919A (ja) * 1982-10-22 1984-05-02 Chisso Corp 可染性発泡ポリオレフイン繊維及びその製造方法
JPS6028565A (ja) * 1983-07-22 1985-02-13 チッソ株式会社 不織布
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07130347A (ja) * 1993-10-28 1995-05-19 Ube Nitto Kasei Co Ltd バッテリセパレータ
JPH07145512A (ja) * 1993-11-17 1995-06-06 Japan Vilene Co Ltd 多孔質繊維の製造方法
JP2017512920A (ja) * 2014-04-10 2017-05-25 スリーエム イノベイティブ プロパティズ カンパニー 繊維及び該繊維を含む物品
US10704172B2 (en) 2014-04-10 2020-07-07 3M Innovative Properties Company Fibers and articles including them
JP2019534956A (ja) * 2016-09-26 2019-12-05 ザ ボード オブ トラスティーズ オブ ザ レランド スタンフォード ジュニア ユニバーシティー ヒト身体冷却のための赤外線−透明のポリマー繊維系織布

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EP0528048A1 (fr) 1993-02-24
EP0528048A4 (fr) 1994-03-18

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