WO2007086429A1 - 熱接着性積層不織布 - Google Patents
熱接着性積層不織布 Download PDFInfo
- Publication number
- WO2007086429A1 WO2007086429A1 PCT/JP2007/051091 JP2007051091W WO2007086429A1 WO 2007086429 A1 WO2007086429 A1 WO 2007086429A1 JP 2007051091 W JP2007051091 W JP 2007051091W WO 2007086429 A1 WO2007086429 A1 WO 2007086429A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nonwoven fabric
- layer
- heat
- fiber
- melting point
- Prior art date
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 199
- 239000000835 fiber Substances 0.000 claims abstract description 125
- 238000002844 melting Methods 0.000 claims abstract description 76
- 230000008018 melting Effects 0.000 claims abstract description 72
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 35
- 239000000853 adhesive Substances 0.000 claims description 38
- 239000000306 component Substances 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 30
- -1 polyethylene terephthalate Polymers 0.000 claims description 29
- 229920001410 Microfiber Polymers 0.000 claims description 26
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 22
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 22
- 229920000728 polyester Polymers 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000008358 core component Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 229920001634 Copolyester Polymers 0.000 claims description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims 1
- 239000004615 ingredient Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 139
- 238000000034 method Methods 0.000 description 12
- 239000004743 Polypropylene Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 229920001903 high density polyethylene Polymers 0.000 description 7
- 239000004700 high-density polyethylene Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 230000032798 delamination Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004049 embossing Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 229920001169 thermoplastic Polymers 0.000 description 5
- 239000004416 thermosoftening plastic Substances 0.000 description 5
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000012793 heat-sealing layer Substances 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 229920000092 linear low density polyethylene Polymers 0.000 description 4
- 239000004707 linear low-density polyethylene Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 229920001225 polyester resin Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920005672 polyolefin resin Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 2
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229920003232 aliphatic polyester Polymers 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 229920006167 biodegradable resin Polymers 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000006187 pill Substances 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920000572 Nylon 6/12 Polymers 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 235000019987 cider Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- D04H13/00—Other non-woven fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- 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
- D04H3/009—Condensation or reaction polymers
- D04H3/011—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
- 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
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
-
- 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]
-
- 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]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
- Y10T442/621—Including other strand or fiber material in a different layer not specified as having microdimensions
-
- 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]
- Y10T442/659—Including an additional nonwoven fabric
-
- 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]
- Y10T442/659—Including an additional nonwoven fabric
- Y10T442/668—Separate nonwoven fabric layers comprise chemically different 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]
- Y10T442/659—Including an additional nonwoven fabric
- Y10T442/671—Multiple nonwoven fabric layers composed of the same polymeric 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]
- Y10T442/69—Autogenously bonded nonwoven fabric
- Y10T442/692—Containing at least two chemically different strand or fiber materials
Definitions
- the present invention relates to a laminated nonwoven fabric having one surface having thermal adhesiveness.
- thermoplastic resin Long-fiber nonwoven fabrics mainly composed of thermoplastic resin have higher strength when processed into bags, container lids, etc. than other nonwoven fabrics. Since they can be bonded together and processed efficiently, they are widely used. However, in order to obtain sufficient strength, it is necessary to use a thermoplastic resin having a high melting point, and it is sufficient for the thermal adhesiveness to a nonwoven fabric or film using a low melting resin. It wasn't.
- the gap between the fibers constituting the nonwoven fabric is too large, and when filter performance is required, fine force and particles are leaked. There is a problem that the filter performance is inferior.
- the fabric weight of the nonwoven fabric is increased to improve the filter performance, the thickness of the nonwoven fabric is increased, the heat sealing performance is lowered, and it is difficult to process the bag.
- JP 2001-315239 A discloses a non-woven fabric having a structure in which a non-heat seal layer and a heat seal layer are bonded together.
- the adhesiveness greatly depends on the compatibility of the thermoplastic resin. Is done. As a result, even if thermocompression bonding is performed at a temperature close to the melting point of the low-melting component, it cannot be peeled off between the non-heat-sealing layer and the heat-sealing layer or bonded immediately and completely.
- the present invention has a fine fiber structure and is excellent in filter performance, barrier performance, heat sealability, and the like, and is not leaked even with respect to fine and easily crushed particles.
- An object of the present invention is to provide a heat-adhesive laminated non-woven fabric that has high single-sided heat sealability with high bursting strength and is capable of stable heat sealing over a wide temperature range.
- the present inventors have (a) a layer having at least one long-fiber nonwoven fabric layer made of thermoplastic resin as a layer, and (b) a layer. (a) a layer having at least one ultrafine fiber nonwoven fabric layer made of the same thermoplastic thermoplastic resin as the layer, (c) a composite long fiber made of thermoplastic resin containing a low melting point component in a specific melting range as a layer.
- the present invention is as follows.
- a laminated nonwoven fabric in which the nonwoven fabrics of the following layers (a), (b) and (c) are integrated by thermocompression bonding A heat-adhesive laminated nonwoven fabric characterized by satisfying the following (1) and (2).
- (a) Layer It has at least one long fiber nonwoven fabric layer made of thermoplastic resin.
- (b) Layer It has at least one ultrafine fiber nonwoven fabric layer made of the same thermoplastic resin as the (a) layer.
- (c) Layer It has at least one composite long fiber nonwoven fabric layer made of thermoplastic resin.
- the composite continuous fiber made of thermoplastic resin constituting the nonwoven fabric of the layer contains a low melting point component, and the melting point power of the low melting point component (a) The melting point of the fibers constituting the nonwoven fabric of the layer 40-150. C low.
- thermoplastic resin constituting the nonwoven fabric of the layer (c) is a sheath-core composite fiber having a low melting point component as a sheath component.
- R represents variation and X represents the average value.
- the heat-adhesive laminated nonwoven fabric refers to a laminated nonwoven fabric having high barrier properties and heat sealability on one side.
- the heat-adhesive laminated nonwoven fabric of the present invention comprises (a) a layer having at least one long-fiber nonwoven fabric layer made of thermoplastic resin as a layer, and (b) a layer similar to the (a) layer.
- a layer having at least one ultrafine fiber nonwoven fabric layer made of thermoplastic resin and (c) a composite long fiber nonwoven fabric layer made of thermoplastic resin containing a low melting point component having a specific melting point range as the layer is reduced.
- the fibers constituting the (b) layer nonwoven fabric have the same line of thermoplastic resin within a melting point difference of up to 30 ° C with the fibers constituting the (a) layer nonwoven fabric.
- the composite continuous fiber constituting the layer nonwoven fabric has a low melting point component, and the melting point of the low melting point component is 40 to 150 ° C. higher than the melting point of the fiber constituting the layer (a) nonwoven fabric. Low!
- the layer (a) has at least one long-fiber nonwoven fabric layer made of thermoplastic resin. Except for the long fibers made of thermoplastic resin, the strength of the nonwoven fabric is reduced and the productivity is lowered.
- thermoplastic resin used for the non-woven fabric of the layer (a) needs to have a fiber forming ability and can be spun using a normal melt spinning apparatus.
- Specific examples include polyester-based, polyamide-based, polyolefin-based thermoplastic resin.
- the polyester-based resin may also be a polyester, a copolymer thereof, or a mixture thereof.
- the polyester include polyethylene terephthalate (hereinafter sometimes referred to as PET), polybutylene terephthalate, and polytrimethylene terephthalate.
- PET polyethylene terephthalate
- These polyesters include aromatic dicarboxylic acids such as terephthalic acid, isophthalic acid, phthalic acid, and naphthalene dicarboxylic acid, and ethylene glycol and diethylene group. It can be obtained by polymerizing diols such as recall, 1,4 butanediol, and cyclohexanedimethanol.
- biodegradable resin for example, aliphatic polyester resin including polylactic acid can be used.
- a water-absorbent resin such as a copolymer of polyester and polyalkylene glycol can also be used.
- Polyamide-based resins include nylon 6 synthesized by polycondensation reaction of ⁇ -amino acids, nylon 66 synthesized by co-condensation polymerization of diamine and dicarboxylic acid, nylon 610, Sarako, nylon 612, etc. Can be mentioned.
- Polyolefin resins include polyethylene (hereinafter referred to as ⁇ ), polypropylene (hereinafter referred to as ⁇ ), ethylene ⁇ polypropylene copolymer, and the like. It may be a synthesized polymer or a polymer synthesized with a single site active catalyst represented by meta-octane.
- the polyethylene can be polyethylene such as HDPE (high density polyethylene), LLDPE (linear low density polyethylene), and LDPE (low density polyethylene), and moreover, the copolymer weight of polypropylene and polyethylene.
- the polymer may be a polymer obtained by adding polyethylene or other additives into polypropylene.
- the average fiber diameter of the long fibers constituting the nonwoven fabric of the layer (a) is preferably composed of fibers having a relatively large fiber diameter of 7 ⁇ m or more.
- a nonwoven fabric having sufficient strength can be obtained with high productivity.
- Polyester long fiber nonwoven fabrics by the spunbond method, which can obtain high strength with relatively low weight, are preferred.
- PET long fiber nonwoven fabrics are particularly preferred.
- the ultrafine fiber nonwoven fabric layer (b) which is an intermediate layer plays an important role of producing the filter action and the bonding strengthening action which are unique effects of the present invention. For having a characteristic fiber structure.
- the non-woven fabric of layer (b) is composed of ultrafine fibers, and during thermocompression bonding, the ultrafine fibers are located in the gap between the non-woven fabric of layer (a) and the relatively thick fibers constituting the non-woven fabric of layer (c). Due to the strong anchoring effect and bonding strengthening action by intruding, intermingling with each other and thermocompression bonding, the non-woven fabric of (a) layer and the non-woven fabric of (c) layer are strongly thermocompression bonded, Heat seal layer And the heat seal layer can be integrated.
- the heat-adhesive laminated nonwoven fabric of the present invention prevents the low-melting point component of the (c) layer from penetrating to the (a) layer side during heat sealing.
- the nonwoven fabric of layer (b) is an ultrafine fiber nonwoven fabric layer made of thermoplastic resin.
- the proportion of ultrafine fibers is preferably 5 to 50 wt%, more preferably 10 to 30 wt%, based on the total amount of fibers in the laminated nonwoven fabric.
- the amount of ultrafine fibers is preferably lgZm 2 or more, more preferably 1.5 gZm 2 or more.
- the average fiber diameter of the ultrafine fibers is preferably 1 to 3 ⁇ m.
- the ultrafine fibers can sufficiently penetrate into the fiber gaps of the non-woven fabrics of the layers (a) and (c), so that the anchor effect and the joint strengthening action are improved.
- the (b) layer ultrafine fiber nonwoven fabric is an ultrafine fiber nonwoven fabric obtained by a melt blow method. Is particularly preferred.
- the non-woven fabrics of the layers (a) and (b) are preferably subjected to thermocompression bonding at the same temperature, preferably having the same degree of thermocompression bonding, from the viewpoint of lamination and integration.
- the fibers constituting the (b) layer nonwoven fabric be composed of a thermoplastic resin similar to the fibers constituting the (a) layer nonwoven fabric.
- Examples of the resin used for the non-woven fabric of the (b) layer include the same resins as those used for the non-woven fabric of the (a) layer, for example, polyester-based, polyamide-based, polyolefin-based resin.
- a polyester-based resin capable of obtaining a high strength with a relatively low basis weight is preferable.
- the range of the solution viscosity of the polyester-based resin used in the non-woven fabric of the (b) layer is from 0.2 to 0.8 7? SpZc is more preferred, preferably 0.2 to 0.6 7? spZc. If the solution viscosity is too high, drawing will be insufficient in the spinning process, resulting in a very fine fiber diameter. It becomes difficult. In addition, if the solution viscosity is too low, fluff is likely to occur during the manufacturing process, and stable spinning may be difficult.
- the difference in melting point between the fibers constituting the non-woven fabric of layer (a) and the fibers constituting the non-woven fabric of layer (b) is 30 ° C. or less.
- the nonwoven fabric of layer (a) and the nonwoven fabric of layer (b) are subjected to thermocompression bonding, so it is difficult to optimize the thermocompression bonding temperature if the melting point difference exceeds 30 ° C. That is, at the thermocompression bonding temperature suitable for the high melting point fiber, the thermal degradation or the fibrous form of the low melting point fiber is likely to break down, and the melting tends to occur. Insufficient melting of the melting point fiber results in insufficient bonding strength, and a reduction in friction fluff strength (problem of fuzz due to friction) is likely to occur.
- the nonwoven fabric layer (c) is an important layer for imparting excellent heat sealability, and is composed of a thermoplastic composite long fiber containing a specific low melting point component. By containing this low melting point component, the outer surface of the layer (c) of the laminated nonwoven fabric has excellent heat sealing properties.
- the non-woven fabric of the (c) layer has a thick fiber diameter as in the non-woven fabric of the (a) layer, is excellent in strength and abrasion resistance, and has excellent single-sided heat sealability. It is composed of composite long fibers made of thermoplastic resin.
- the composite long fiber contains a low melting point component, and the melting point of the low melting point component is 40 to 150 ° C. lower than the melting point of the fibers constituting the nonwoven fabric of the layer (a).
- thermocompression bonding when both a nonwoven fabric composed of high melting point fibers and a nonwoven fabric composed of low melting point fibers are integrated by thermocompression bonding, the melting point difference becomes larger than 150 ° C. Then, it becomes difficult to optimize the crimping temperature.
- thermocompression bonding is performed at a high temperature, the low melting point fiber is likely to be thermally deteriorated, and at a thermocompression bonding temperature suitable for the low melting point fiber, the high melting point fiber is not sufficiently softened or melted, resulting in a decrease in bonding strength. Moreover, the frictional fluff strength decreases easily.
- the nonwoven fabric of layer (c) since a high strength is obtained with a relatively low basis weight, a nonwoven fabric composed of long fibers by the spunbond method is preferred, and good heat sealability is obtained.
- a spunbonded nonwoven fabric composed of a sheath-core type composite fiber in which the sheath part is a low melting point component and the core part is a high melting point component is preferred.
- the Te you! The sheath-core type composite fiber, the content of the low melting point component, the composite fibers, 20 to 80 wt 0/0 power S, more preferably ⁇ or 30 to 70 wt 0/0 Especially preferred is 40 to 60 wt%.
- the ratio of the low melting point component is within the above range, sufficient heat seal strength can be obtained, and since the spinnability is good and sufficiently strong fibers are obtained, the strength of the nonwoven fabric is increased.
- the thermoplastic resin used as the low melting point component is, for example, an olefin resin such as polyethylene (hereinafter referred to as PE), polypropylene (hereinafter referred to as PP), ethylene Z polypropylene copolymer, or a copolymer.
- PE polyethylene
- PP polypropylene
- ethylene Z polypropylene copolymer ethylene Z polypropylene copolymer
- COPET low melting point polyester-based resin
- polyester hereinafter referred to as polyester
- Examples of PP include a polymer synthesized by a general cider lanatta catalyst, a polymer synthesized by a single site active catalyst typified by meta-octane, and the like.
- PE high density polyethylene
- LLDPE linear low density polyethylene
- LDP E low density polyethylene
- copolymers of PP and PE, PE in PP and other Examples include polymers to which additives are added.
- copolyester examples include aromatic dicarboxylic acids such as terephthalic acid, isophthalic acid, phthalic acid, and naphthalene dicarboxylic acid, and diols such as ethylene glycol, diethylene glycol, 1,4 butanediol, and cyclohexanedimethanol. And the like polymerized.
- aromatic dicarboxylic acids such as terephthalic acid, isophthalic acid, phthalic acid, and naphthalene dicarboxylic acid
- diols such as ethylene glycol, diethylene glycol, 1,4 butanediol, and cyclohexanedimethanol.
- biodegradable resin such as aliphatic polyester resin including polylactic acid may be used.
- Examples of the combination of the sheath component and the core component in the sheath-core type composite fiber include: the sheath portion is PE and the core portion is PET (melting point difference is about 133 ° C), the sheath portion is COPET, and the core portion is PET (for example, the melting point difference is about 55 ° C), the sheath is PP and the core is PET (melting point difference is about 103 ° C).
- the average fiber diameter of the composite long fibers constituting the nonwoven fabric of the (c) layer is preferably composed of thermoplastic composite long fibers of 7 m or more. When the average fiber diameter is 7 m or more, a sufficiently strong nonwoven fabric can be obtained with high productivity.
- each layer is partially thermocompression bonded and laminated.
- the integrated crimped part is in a state where the boundary with the (a) layer, (b) layer, and (c) layer is melted into a film shape. And improve fuzz.
- a method for laminating and integrating by thermocompression bonding is not particularly limited, but a method of heating and pressure bonding between a known embossing roll and a smooth roll is preferably employed.
- the heat temperature is preferably in the temperature range where the temperature force above the soft temperature of the fiber is below the melting point and the linear pressure is 10 to: LOO ONZcm.
- the pressure-bonding area ratio is preferably in the range of 10-25%, more preferably partial adhesion in the embossed area ratio range of 5-40%. When the pressure-bonding area ratio is in the above range, lamination having a sufficient bonding area is achieved, excellent wear strength is obtained, and a good texture that is not paper-like is obtained.
- the heat-adhesive laminated nonwoven fabric of the present invention is processed into a predetermined shape by using the outer surface of the (c) layer as a heat seal surface.
- the outer surfaces of the (c) layer of the laminated nonwoven fabric are overlapped and heat-sealed. Therefore, the outer surface of layer (c) greatly contributes to heat sealability, and in particular, the low melting point component of the sheath part of the sheath-core type composite fiber melts and is welded to the heat seal surface of each other to enhance the heat seal strength.
- the high melting point component of the core can be maintained in a fibrous form without melting and exhibit an appropriate reinforcing effect.
- the non-woven fabric of (a) layer maintains the fibrous form and maintains the texture of the non-woven fabric, and the ultra-fine fiber non-woven fabric layer of (b) layer is fibrous.
- the filter performance can be fully exhibited.
- a processed product obtained by using the heat-adhesive laminated nonwoven fabric of the present invention for example, a bag-like product, provides a high heat-sealing strength. Even when a heavy object is placed on the bag-like material containing the filler, the bag-like material is not damaged.
- the first feature of the heat-sealing performance of the heat-adhesive laminated nonwoven fabric of the present invention is that a high heat-sealing strength can be stably obtained over a wide range of heat-sealing temperatures. That is, in the heat-adhesive laminated nonwoven fabric of the present invention, when heat sealing is performed in the range of 110 to 230 ° C with the outer surface of the (c) layer serving as the heat sealing surface, Is preferably 0.2 (NZ25mm width ⁇ basis weight [m 2 ]) or more, more preferably 0.3 ( NZ25mm width 'weight per unit [m 2 ]) or more, more preferably 0.4 to L (NZ25mm width per unit [m 2 ]). “(NZ25mm width ⁇ basis weight [m 2 ])” indicates the heat seal strength per unit basis weight.
- the heat seal strength is preferably 10 NZ 25 mm or more, more preferably 15 NZ 25 mm or more, and further preferably 20 to 50 NZ 25 mm.
- the fluctuation rate of heat seal strength (RZx: R represents variation, X represents average value) is preferably 80% or less, more preferably 60% or less.
- the heat seal strength is 22 to 38 NZ25 mm wide. It can be seen that a high heat-sealing strength that is stable over a wide range of heat-sealing temperatures where the rate of change in strength (RZx) is very small can be obtained. This is because the delamination strength between the non-heat seal layer and the heat seal layer is improved by the ultrafine fibers in the (b) layer penetrating into the nonwoven fabric of the (a) and (c) layers. This is because the sealing characteristics are improved.
- the delamination strength is preferably 2. ONZ 25 mm width or more 2. More preferably 5 NZ 25 mm width or more.
- the second feature of the heat-sealing performance of the heat-adhesive laminated nonwoven fabric of the present invention is that it has excellent hot tack strength as shown in Table 5 of the examples described later, and has an instantaneous time of 0.5 seconds. Excellent heat seal strength can be obtained even with a proper heat seal.
- the fact that heat sealing is possible in an extremely short time is a function that can cope with high-speed heat sealing force. Therefore, the heat-adhesive laminated nonwoven fabric of the present invention is extremely advantageous for industrial production in that high-speed heat sealing can be performed.
- the basis weight of the thermally adhesive laminated nonwoven fabric of the present invention, the intensity of interest, in terms of breathability, good Mashiku is 10 ⁇ 150GZm 2, more preferably 12 to: a LOOgZm 2.
- the basis weight is in the above range, sufficient strength can be obtained, and good texture and air permeability can be obtained.
- the maximum pore size of the heat-adhesive laminated nonwoven fabric of the present invention is preferably 50 m or less, more preferably 1 to 40 111, and still more preferably 3 to 30 / ⁇ ⁇ .
- the fiber gap is appropriate, so that excellent filter performance and barrier performance can be obtained. It is done.
- breathable thermally adhesive laminated nonwoven fabric of the present invention is preferably 1 to: a L00cm 3 Zcm 2 'sec, yo Ri preferably 5 ⁇ 90cm 3 Zcm 2' sec.
- air permeability is in the above range, good air permeability can be obtained, and excellent barrier performance can be obtained, so that powder leakage or the like hardly occurs.
- the burst strength of the heat-adhesive laminated nonwoven fabric of the present invention is preferably lOOkPa or more, more preferably 120 to 1000 kPa.
- a bag filled with the contents by heat sealing or the like and filled with the contents will not be torn, or if a person gets on it, it will not be torn.
- the heat-adhesive laminated nonwoven fabric of the present invention has excellent burst strength, filter performance, barrier performance and single-sided heat sealability, and in the bag making process, the processing speed of the heat seal bag making machine is improved, Enables stable operation for a long time.
- FIG. 1 is a diagram showing an example of the relationship between heat seal temperature and heat seal strength.
- FIG. 2 is a diagram showing an example of the relationship between heat seal temperature and hot tack strength.
- Measurement methods and evaluation methods are as follows.
- the sample pan was heat-treated at 120 ° C for 24 hours before measurement.
- Powder leakage rate (%) (W2 / W1) X 100
- a circular sample with a diameter of 40 mm was used and measured by the following method.
- Dust of each particle size is poured into a sample with a diameter of 10 cm at a flow rate of 23.6 liters Zmin.
- Each particle size (less than 0.3, less than 0.3 to 0.5, less than 0.5 to 1. O / zm) , 1.0 to less than 2.0 ⁇ m).
- the sample was attached to a constant-length tensile tester, and the strength when peeled at a gripping interval of 50 mm and a tensile speed of lOcmZmin was measured at five vertical positions to determine the delamination strength.
- tO solvent passage time (second)
- t solution passage time (second)
- c solute per 1000 ml (g).
- Grade 1 The fiber is peeled off as the sample breaks.
- Grade 3 A distinct pill starts to appear, or multiple small pills are seen.
- Grade 4 Slightly fuzzy fibers but not noticeable.
- the sheath component is high-density polyethylene (HDPE: melting point 130 ° C) and the core component is polyethylene terephthalate (PET: melting point 263 ° C)
- HDPE high-density polyethylene
- PET polyethylene terephthalate
- the layer (b) uses polyethylene terephthalate (PET: melting point 260 ° C), and the PET is melt blown at a spinning temperature of 300 ° C, hot air of 320 ° C, and 1000 Nm 3 Zhr. It was discharged. The obtained ultrafine fiber nonwoven fabric having an average fiber diameter of 2 m was laminated on the (c) layer.
- PET polyethylene terephthalate
- the layer (a) uses polyethylene terephthalate (PET: melting point 263 ° C), and the PET is spun at spinning temperature. It was discharged from the spinneret for spunbond at a temperature of 300 ° C. The obtained PET nonwoven fabric having an average fiber diameter of 14 m was laminated on the (b) layer. As a result, a nonwoven fabric having a total weight of 50 gZm 2 was obtained.
- PET polyethylene terephthalate
- the resulting non-woven fabric with a three-layer strength is thermocompression bonded with an embossing roll with a crimp area ratio of 15% under conditions of a linear pressure of 350 NZcm and an upper and lower temperature of 230 ° CZlO ° C. Obtained.
- Example 1 except that the sheath component of the sheath-core type composite fiber of layer (c) was changed to copolymer polyester (melting point 160 ° C), the same as in Example 1 with a basis weight of 50 gZm 2 3 A nonwoven fabric with layer strength was produced.
- the obtained non-woven fabric consisting of three layers was partially thermocompression bonded with an embossing roll having a crimp area ratio of 15% at a linear pressure of 350 NZcm and an upper and lower temperature of 230 ° CZ130 ° C to obtain a laminated nonwoven fabric.
- Example 1 except that the sheath component of the sheath-core type composite fiber of layer (c) was changed to copolymer polyester (melting point 208 ° C.), the same as in Example 1 with a basis weight of 50 gZm 2 3 A nonwoven fabric with layer strength was produced.
- the obtained non-woven fabric consisting of three layers was partially thermocompression bonded with an embossing roll having a crimp area ratio of 15% at a linear pressure of 350 NZcm and an upper and lower temperature of 230 ° CZ130 ° C to obtain a laminated nonwoven fabric.
- Example 1 a non-woven fabric having a three-layer strength per unit area of 50 gZm 2 was produced in the same manner as in Example 1 except that the layer (a) was changed to a copolyester (melting point: 230 ° C.).
- the obtained three-layer nonwoven fabric was partially thermocompression bonded with an embossing roll having a crimping area ratio of 15% at a linear pressure of 350 NZcm and an upper and lower temperature of 200 ° CZl 10 ° C to obtain a laminated nonwoven fabric.
- Example 1 the ratio of the ultrafine fiber to the total fiber amount of the laminated nonwoven fabric is 10 wt%.
- Example 5 A laminated nonwoven fabric consisting of three layers having a basis weight of 50 gZm 2 was obtained in the same manner as in Example 1 except that it was changed to (Example 6).
- Example 7 Implementation In row 1, the PET of (b) layer has a yarn yarn temperature of 300.
- C Calo hot air 300.
- C 3 layers force of 50gZm 2 per unit area was obtained in the same way as in Example 1 except that it was discharged from the melt blown nozzle under the condition of 1000 Nm 3 Zhr to obtain an ultrafine fiber nonwoven fabric with an average fiber diameter of 5 ⁇ m. A laminated nonwoven fabric was obtained.
- Comparative Example 1 is an example of a single-layer nonwoven fabric.
- a two-layer nonwoven fabric was prepared.
- the (b) layer of polyester-based ultrafine fiber layer The laminated nonwoven fabric obtained by inserting and thermally bonding has excellent performance such as excellent thermal adhesiveness on one side, burst strength of 400 to 530kPa, heat seal strength of 22NZ25mm width or more, and excellent filter performance. No powder leakage even for fine particles and friable particles
- Comparative Examples 1 and 2 where the polyester-based ultrafine fiber layer (layer (b)) does not exist are inferior to the laminated nonwoven fabrics of the present invention (Examples 1 to 7). I understand that.
- the laminated nonwoven fabric of the present invention has a heat seal strength fluctuation rate (RZx) within 53%, which is wide from the low temperature range to the high temperature range. It can be seen that it has a stable and high heat seal strength.
- the laminated nonwoven fabric of the present invention is superior in hot tack strength showing an instantaneous heat sealing performance of 0.5 seconds as compared with the comparative example, Obedience Therefore, it can be seen that it is suitable for high-speed heat sealing force.
- the heat-adhesive laminated nonwoven fabric of the present invention is excellent in burst strength and heat seal strength, excellent in filter performance as a shielding performance, and barrier performance, and further, stable in a wide temperature range, heat sealability, Instantaneous heat sealability is obtained.
- the packaging material field for example, desiccant packaging material
- the filter field for example, coffee filter, tea filter
- the packaging material field for example, desiccant packaging material
- the filter field for example, coffee filter, tea filter
- it can be suitably used in many fields such as medical bags, living materials (for example, charcoal bags, desiccant wrapping materials, etc.).
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Nonwoven Fabrics (AREA)
- Filtering Materials (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US12/161,516 US8513148B2 (en) | 2006-01-25 | 2007-01-24 | Thermally adhesive laminated nonwoven fabric |
JP2007555978A JP4658148B2 (ja) | 2006-01-25 | 2007-01-24 | 熱接着性積層不織布 |
EP07707338.5A EP1977884B1 (en) | 2006-01-25 | 2007-01-24 | Heat-bondable laminated nonwoven fabric |
CN2007800035140A CN101374651B (zh) | 2006-01-25 | 2007-01-24 | 热粘接性层压无纺布 |
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JP2006015882 | 2006-01-25 | ||
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US (1) | US8513148B2 (ja) |
EP (1) | EP1977884B1 (ja) |
JP (1) | JP4658148B2 (ja) |
KR (1) | KR101036856B1 (ja) |
CN (1) | CN101374651B (ja) |
TW (1) | TWI349614B (ja) |
WO (1) | WO2007086429A1 (ja) |
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2007
- 2007-01-24 EP EP07707338.5A patent/EP1977884B1/en active Active
- 2007-01-24 WO PCT/JP2007/051091 patent/WO2007086429A1/ja active Application Filing
- 2007-01-24 CN CN2007800035140A patent/CN101374651B/zh active Active
- 2007-01-24 KR KR1020087018099A patent/KR101036856B1/ko active IP Right Grant
- 2007-01-24 US US12/161,516 patent/US8513148B2/en active Active
- 2007-01-24 JP JP2007555978A patent/JP4658148B2/ja active Active
- 2007-01-24 TW TW096102679A patent/TWI349614B/zh active
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WO2004082930A1 (ja) * | 2003-03-19 | 2004-09-30 | Asahi Kasei Fibers Corporation | 高耐水圧ポリエステル不織布 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10811658B2 (en) | 2012-09-19 | 2020-10-20 | Asahi Kasei Kabushiki Kaisha | Separator and method of preparing the same, and lithium ion secondary battery |
US10610814B2 (en) | 2014-03-31 | 2020-04-07 | Unitika Ltd. | Air filter material |
CN107532354A (zh) * | 2015-03-31 | 2018-01-02 | 弗罗伊登贝格性能材料有限合伙公司 | 可模塑的复合垫 |
WO2016159266A1 (ja) * | 2015-04-03 | 2016-10-06 | 旭化成株式会社 | 単層又は複層ポリエステル長繊維不織布及びそれを用いた食品用フィルター |
GB2555721A (en) * | 2015-04-03 | 2018-05-09 | Asahi Chemical Ind | Single-layer or multilayer nonwoven fabric of long polyester fibers, and filter comprising same for food |
GB2555721B (en) * | 2015-04-03 | 2021-03-03 | Asahi Chemical Ind | Single-layer or multilayer nonwoven fabric of long polyester fibers, and filter comprising same for food |
JP2017078243A (ja) * | 2015-10-22 | 2017-04-27 | ユニチカ株式会社 | 積層不織布およびその製造方法 |
JP2018184776A (ja) * | 2017-04-26 | 2018-11-22 | ユニチカ株式会社 | 透気防水シートの製造方法 |
JP2018192764A (ja) * | 2017-05-22 | 2018-12-06 | ユニチカ株式会社 | 積層構造体 |
Also Published As
Publication number | Publication date |
---|---|
KR101036856B1 (ko) | 2011-05-25 |
JP4658148B2 (ja) | 2011-03-23 |
EP1977884B1 (en) | 2019-08-28 |
CN101374651B (zh) | 2013-06-12 |
US8513148B2 (en) | 2013-08-20 |
EP1977884A1 (en) | 2008-10-08 |
US20100189936A1 (en) | 2010-07-29 |
TWI349614B (en) | 2011-10-01 |
JPWO2007086429A1 (ja) | 2009-06-18 |
EP1977884A4 (en) | 2011-12-21 |
CN101374651A (zh) | 2009-02-25 |
TW200734176A (en) | 2007-09-16 |
KR20080080217A (ko) | 2008-09-02 |
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