AU2003200405B9 - Nonwoven Fabric for Wiper - Google Patents
Nonwoven Fabric for Wiper Download PDFInfo
- Publication number
- AU2003200405B9 AU2003200405B9 AU2003200405A AU2003200405A AU2003200405B9 AU 2003200405 B9 AU2003200405 B9 AU 2003200405B9 AU 2003200405 A AU2003200405 A AU 2003200405A AU 2003200405 A AU2003200405 A AU 2003200405A AU 2003200405 B9 AU2003200405 B9 AU 2003200405B9
- Authority
- AU
- Australia
- Prior art keywords
- nonwoven fabric
- bonded regions
- fibers
- extra
- wipers
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims description 119
- 239000011230 binding agent Substances 0.000 claims description 13
- 239000004925 Acrylic resin Substances 0.000 claims description 9
- 229920000178 Acrylic resin Polymers 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 100
- 229920005989 resin Polymers 0.000 description 18
- 239000011347 resin Substances 0.000 description 18
- 238000005406 washing Methods 0.000 description 18
- 239000000523 sample Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 230000002085 persistent effect Effects 0.000 description 12
- -1 aromatic dicarboxylic acids Chemical class 0.000 description 10
- 229920000728 polyester Polymers 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 239000000470 constituent Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 238000009960 carding Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 229920002292 Nylon 6 Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229920006026 co-polymeric resin Polymers 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- YZTJKOLMWJNVFH-UHFFFAOYSA-N 2-sulfobenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O YZTJKOLMWJNVFH-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 229920003231 aliphatic polyamide Polymers 0.000 description 1
- 239000011305 binder pitch Substances 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920006012 semi-aromatic polyamide Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000010998 test 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
- 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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/16—Cloths; Pads; Sponges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- 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
-
- 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
-
- 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
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43825—Composite fibres
- D04H1/43832—Composite fibres side-by-side
-
- 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
- D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
-
- 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
- D04H1/43838—Ultrafine fibres, e.g. microfibres
-
- 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
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- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
- D04H1/49—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation entanglement by fluid jet in combination with another consolidation means
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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
- 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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
- D04H1/495—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet for formation of patterns, e.g. drilling or rearrangement
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
-
- 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
- D04H1/58—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/60—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in dry state, e.g. thermo-activatable agents in solid or molten state, and heat being applied subsequently
- D04H1/62—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in dry state, e.g. thermo-activatable agents in solid or molten state, and heat being applied subsequently at spaced points or locations
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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
- 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
- D04H1/58—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
- D04H1/66—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions at spaced points or locations
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
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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]
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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]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Nonwoven Fabrics (AREA)
Description
S&F Ref: 623815
AUSTRALIA
PATENTS ACT 1990 COMPLETE SPECIFICATION FOR A STANDARD PATENT
ORIGINAL
Name and Address of Applicant: Actual Inventor(s): Address for Service: Invention Title: Kuraray Co., Ltd.
1621, Sakazu, Kurashiki-City Okayama-Pref.
Japan Hidetoshi Moriyasu Masako Yokomizo Sumito Kiyooka Spruson Ferguson St Martins Tower,Level 31 Market Street Sydney NSW 2000 (CCN 3710000177) Nonwoven Fabric for Wiper The following statement is a full description of this invention, including the best method of performing it known to me/us:- IP Australia
C,
Documents were received on: 0 t FEB 2003 Batch No: 5845c NONWOVEN FABRIC FOR WIPER BACKGROUND OF THE INVENTION Field of the Invention: The present invention relates to a nonwoven fabric for wipers, more precisely to that for wipers which has the ability to wipe off even oily stains and caked persistent stains, not so much fluffing even when used repeatedly, and of which the washing resistance is good.
Description of the Related Art: (0 Various nonwoven fabric wipers of extra-fine fibers have been proposed and are now widely used. For example, a wiping material is proposed, which is produced by hydroentangling and integrating heat-fusing fiber webs and extra-fine fiber webs followed by fusing the thus-entangled, heat-fusing fibers (JP-A 3-152255). The wiping material of the type may wipe off light dirt such as dust or the like but could not remove cakedpersistent stains. Anotherproblemwithit isthat,whenthewipingmaterial is washed, its surface often fluffs up and some fibers often drop away from it. Still another problem is that it is not AO flexible.
Disclosed is a nonwoven fabric for wipers, which includes mechanically divided extra-fine fibers and is bulky and of which the wiping performance and the long-term durability are good (JP-A 5-56903). The nonwoven fabric for wipers of the type is good for wiping off dust and the like but is still unsatisfactory for removing persistent stains.
On the other hand, a nonwoven fabric for wipers is proposed, which comprises Smixed fibres of extra-fine fibres and thick fibres for improving its ability to remove caked stains (JP-A 6-14860). Also proposed is a wiper produced by laminating and entangling t spunlaid webs and paper sheets for improving its washing resistance (JP-A 7-67820).
However, these wipers have a tough feel and are not flexible, and therefore they are not satisfactorily effective for wiping articles having a three-dimensionally patterned face.
As mentioned above, the current situation in the art is that no one has proposed as yet a nonwoven fabric for wipers which has the ability to wipe off even oily stains and caked persistent stains and has good washing resistance.
US-A-2001/037850, WO 96/41041, US-5,993,943, EP-A-1 175 863 and US- 4,525,411, each disclose nonwoven fabrics having bonded regions in accordance with the first part of present claim 1. In these prior art documents, the bonded regions are preferably formed by thermal bonding.
SUMMARY OF THE INVENTION The present invention is to solve the problems noted above, and its object is to provide a nonwoven fabric for wipers which has the ability to well wipe off even oily stains and caked persistent stains, capable of exhibiting its excellent cleaning capabilities in accordance with three-dimensionally patterned faces of the articles to be wiped, and which has good flexibility and good washing resistance.
Specifically, the invention is a nonwoven fabric for wipers which contains extrafine fibres having a single fibre fineness of 0.5 dtex or less comprising, linear and/or dotlike bonded regions and non-bonded regions on its surface, the bonded regions account for from 10 to 80% of the surface area of the nonwoven fabric, the distance between the neighboring bonded regions is at most 20mm, and the bonded regions are formed by an acrylic resin binder.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows some examples of the pattern of the gravure roll that may be used in the invention.
Fig. 2 shows one example of the surface of the nonwoven fabric of the invention.
[R:\IBF3FJ I13466.doc hjg DESCRIPTION OF THE PREFERRED EMBODIMENTS The nonwoven fabric for wipers of the invention contains extra-fine fibers and is Scharacterized in that its surface comprises linear and/or dot-like bonded regions and nonbonded regions. Having the bonded regions and the non-bonded regions in its surface, the nonwoven fabric of the invention has good cleaning capabilities of removing not only Slight dirt such as oily film or ink stains but also heavy dirt such as caked persistent stains, not giving so much fluff, and it is washable for repeated use.
The single fiber fineness of the extra-fine fibers for use in the nonwoven fabric of Cthe invention is at most 0.5 dtex, preferably from 0.05 to 0.04 dtex. The 0", [R:\L13FFj I 3466.doc:hjg extra-fine fibers of the type may be, for example, direct spun fibers or those obtained from splittable conjugated fibers. For the extra-fine fibers for use in the invention, preferred are splittable conjugated fibers. Especially preferably, the 4' extra-fine fibers are prepared by dividing splittable conjugated fibers each having a nearly circular cross-sectional profile.
This is because the cross-sectional profile of the extra-fine fibers derived from the splittable conjugated fibers of the type may have sharp shapes, and therefore, the nonwoven fabric that 1 0 contains the extra-fine fibers of the type is favorable for removing oily stains. Such splittable conjugated fibers may be mechanically processed by hydroentangling or by needlepunching or may be chemically processed for dissolution and removal or for swelling and shrinkage to give the extra-fine 14 fibers for use in the invention.
The splittable conjugated fibers for the invention may be formed of at least two different types of resin. The resin includes, for example, polyester polymers, polyolef in polymers, polyamide polymers, polystyrene polymers, polyacrylonitrile 1o polymers, polyvinyl alcohol polymers, and ethylene-vinyl alcohol copolymers. One or more such polymers may be used for one component of the fibers, but these are not limitative.
The polyesters may be fiber-forming polyesters, which are formed of, for example, aromatic dicarboxylic acids such as Ar terephthalic acid, isophthalic acid, naphthalene-2,6-dicarboxylic acid, phthalic acid, a,3-(4-carboxyphenoxy)ethane, 4,4-dicarboxydiphenyl, sulfoisophthalate; or aliphatic dicarboxylic acids such as azelaic acid, adipic acid, sebacic acid; or their esters; S and diols such as ethylene glycol, diethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, cyclohexane-1,4-dimethanol, polyethylene glycol, polytetramethylene glycol. Preferably, at least 80 mol% of the constituent units of the polyesters are ethylene terephthalate Jo units.
The polyamides include, for example, aliphatic polyamides and semiaromatic polyamides of which the principal component is nylon 6, nylon 66 or nylon 12. They may contain a minor amount of a third component.
The conjugation morphology of these resin components to give the conjugated fibers is not specifically defined. For example, two resin components may be conjugated into bicomponent fibers having a chrysanthemum-patterned cross-sectional profile in which the two resin components are alternately radially aligned; into those having a bimetal-patterned cross-sectional profile in which the two resin components are alternately layered; or into those having a sea/island patterned cross-sectional profile in which islands of one resin component are dispersed in a sea matrix of the other resin component. Of v the splittable conjugated fibers of those types, chrysanthemum-patterned fibers and bimetal-patterned fibers are preferred for use herein, since the extra-fine fibers derived from them may have a sharp cross-sectional profile and Stherefore they are more effective for wiping off stains, especially for wiping off oily stains.
According to an example useful to understand the invention, heat-fusing fibers are t used. Containing heat-fusing fibers, the shape stability of the nonwoven fabric for wipers is improved. Preferably, the proportion of the extra-fine fibres in the nonwoven fabric that contain heat-fusing fibres is at least 50%. If it is smaller than 50%, the wiping Cc capability of the nonwoven fabric will worsen. Especially when the nonwoven fabric is used for wiping off oily stains, the proportion of the splittable conjugated fibres therein is at least 80%. In this, the heat-fusing fibres may be those of a single component, but are preferably side-by-side type or core-sheath type heat-fusing conjugated fibres of at least two resin components including those not fusing in heat treatment, since the non-fusing part of the fibres acts to retain the fibre strength. Regarding the melting point of the is fusing components of the fibres, it is desirable that the melting point difference between the extra-fine fibres and the heat-fusing fibres that constitute the nonwoven fabric is at least 10°C in order that the extra-fine fibres do not fuse with the heat-fusing fibres.
For the component for the heat-fusing fibres, various I R:\IIBFFJ 13466.doc:hjg combinations may be mentioned, including, for example, 6-nylon/polyethylene, polypropylene/polyethylene, polypropylene/ethylene-vinyl acetate copolymer, polyester/polypropylene, polyester/polyethylene, 6-nylon/66-nylon, and high-density polyester/low-density polyester, but these are not limitative.
The nonwoven fabric for wipers of the invention contains the extra-fine fibers mentioned above. For realizing excellent oil-removing capabilities and flexibility thereof, it is more t0 desirable that the nonwoven fabric is composed of 100% extra-fine fibers. The other fibers thatmaybe combinedwith the extra-fine fibers in the invention are not specifically defined, and may be any of various natural fibers and synthetic fibers.
The method of producing the nonwoven fabric for wipers of the invention is not specifically defined. For example, it may be formed of fiber webs that are prepared according to drylaying of carding, air-laying, spun-bonding or to wetlaying.
The fiber webs are preferably random-laid webs, semirandom-laid webs or parallel-laid webs.
^A In the invention, it is especially preferable that the fiber webs are formed by mixing various fibers such as extra-fine fibers and heat-fusing fibers mentioned above followed by processing them into fiber webs according to a carding process or an air-laying process.
In case where the extra-fine fibers are derived from splittable conjugated fibers by mechanically dividing them, the splittable conjugated fibers may be processed into the intended extra-fine fibers before they are formed into fiber webs, but it is desirable that the splittable conjugated fibers are formed 4 into fiber webs and, after the resulting fiber webs are layered, they are mechanically processed by needle-punching or water-jet treatment whereby the splittable conjugated fibers in the layered webs are divided to give the intended extra-fine fibers therein and the resulting extra-fine fibers are entangled at the same time through the treatment. In this process, the fiber-to-fiber bonding in the nonwoven fabric produced may be more strengthened.
The nonwoven fabric for wipers of the invention has, in its surface, linearand/ordot-likebondedregions andnon-bonded regions, and therefore has the ability to wipe off various dirt.
Specifically, the non-bonded regions of the nonwoven fabric act to wipe off light dirt such as oily stains, and the bonded regions thereof act to wipe off caked persistent stains. Therefore, the nonwoven fabric exhibits its ability to wipe off various types of dirt. In the bonded regions, the fibers are partly fixed and are harder than those in the non-bonded regions.
Therefore, the fibers in these regions are more effective for wiping off persistent stains. In addition, the bonded regions enhance the wiping performance with the nonwoven fabric. This is because, as having the fixed and toughened, bonded regions, M the nonwoven fabric is, as a whole, toughened in some degree and it well fits to the hand .while used for wiping operation.
In addition, the nonwoven fabric also has the non-bonded regions and it keeps its softness. Accordingly, the nonwoven fabric Swell follows even three-dimensionally patterned faces of the 0 articles to be cleaned with it.
It is a matter of importance that the bonded regions account Sfor from 10 to 80% of the surface area of the nonwoven fabric.
If the area of the bonded regions exceeds 80%, the nonwoven fabric will be too hard, and the its feel to the hand and its wiping performance will worsen. If so, in addition, the extra-fine fibers that are effective for wiping off light dirt such as oily stains will be coveredwith resin, and, asaresult, theoil-wiping capability of the nonwoven fabric will worsen. On the other hand, if the area of the bonded regions is smaller than the fibers could not be satisfactorily fixed, and the surface of the nonwoven fabric will readily fluff up. If so, the nonwoven fabric could not resist to external physical shock such as washing, and the nonwoven fabric will be readily deformed and could not be used repeatedly. For better wiping capability, surface .6 fluffingresistance andwashing resistance of the nonwoven fabric, the bonded regions preferably account for from 10 to 50%, more preferably from 10 to The bonded regions in the invention are formed by the use of an acrylic resin binder. For example, a resin binder of emulsion may be used. Generally, binder resins include, for example, acrylic resins, acrylate copolymer resins, polyurethane resins, vinyl acetate copolymer resins, epoxy resins and styrene-acrylic copolymer resins.
f The method of forming the bonded regions is not u/ specifically defined. For example, the layered fiber webs may CI' be partly bonded by emboss-rolling, or a resin binder may be transferred onto them through gravure-rolling. In the invention, when a gravure roll is used, it is desirable that a pattern of continuous lines is formed. For example, the IC patterns of to (III) in Fig. 1 are preferred as they improve the wiping capability and the design of the nonwoven fabric.
In addition, it is desirable that at least a part of the fibers in the non-bonded regions of the nonwoven fabric may be embedded in the bonded regions for further improving the washing resistance of the nonwoven fabric. For this, the bonded regions are so formed that the distance between the neighboring bonded regions can be at most 20 mm, preferably at most 10 mm, more preferably from 2 to 8 mm.
In the invention, the bonded regions may be formed to have 0 adot-likepatternof, for example, (IV) to of Fig. i. Having the pattern, the nonwoven fabric may be more flexible, and its ability to wipe off oily stains may be improved. The bonded regions maybe a combination of the linear pattern and the dot -like pattern mentioned above, and various patterns may be employed for the bonded regions in accordance with the object thereof.
The binder having permeated through the thickness of the nonwoven fabric for wipers may be localized around both faces of the nonwoven fabric or may be uniformly permeated through the depth of the nonwoven fabric, depending on the drying S condition after the binder resin application.
Inanycasewhere thebinder resin has been localizedaround both faces of the nonwoven fabric or uniformly permeated through the depth thereof, the nonwoven fabric is preventedfrom fluffing up and its washing resistance is good. However, the binder resin Io localized around the faces of the nonwoven fabric is more effective for increasing the surface strength of the nonwoven fabric and for enhancing the wiping capability thereof to remove persistent strains. In that condition, in addition, the nonwoven fabric is soft and may well fit to the hand, and it j may well follow even three-dimensionally patterned faces of the articles to be cleaned with it. To that effect, the wiping capability of the nonwoven fabric of the type is better.
In the nonwoven fabric for wipers of the invention, it is desirable that at least a part of the individual fibers in the non-bonded regions are fixed by the bonded regions.
Concretely, some fibers in the non-bondedregionsofthe nonwoven fabric are embedded in the bonded regions and are thereby fixed.
In that condition, the nonwoven fabric well keeps its soft feel and its wiping capability, not so much fluffing up to leave its fluff, and its washing resistance is good. The nonwoven fabric of the type is very favorable for wipers.
The nonwoven fabric for wipers of the invention has the above-mentioned, linear and/or dot-like bonded regions. For better wiping capability and better washing resistance of the nonwoven fabric, the bonded regions are so formed that the distance between the neighboring bonded regions can be at most mm, preferably 2 to 10 mm. If the distance between the neighboring bonded regions is larger than 20mm, the dimensional stability of the nonwoven fabric will lower and the washing resistance thereof will also lower. On the other hand, if the distance between them is smaller than 2 mm, the nonwoven fabric will have a hard feel. For keeping the oil-wiping capability of the extra-fine fibers as such and for ensuring better washing resistance of the nonwoven fabric, the distance between the neighboring bonded regions is most preferably from 2 to 8 mm.
The distance between the neighboring bonded regions referred to in the invention is the shortest distance therebetween, and it is obtained by measuring the shortest distance between the ends of the neighboring bonded regions.
a The surface of the nonwoven fabric for wipers of the invention may be flat, but is preferably further processed to have a perforated or embossed pattern for further enhancing the wiping capability of the nonwoven fabric. Specifically, owing to the synergistic effect of the embossed pattern and the bonded 2c regions in the surface of the nonwoven fabric, the wiping capability of the nonwoven fabric is further improved. Another c' advantage thereof is that the nonwoven fabric thus having such an embossed surface well follows even three-dimensionally Spatterned faces of the articles to be wiped with it to exhibit S its wiping effect and, in addition, it is believed that the CI extra-fine fibers could more readily appear on the surface of the nonwoven fabric of the type to act to wipe off light dirt such as oily stains. For processing the surface of the nonwoven fabric to make it have an embossed pattern, for example, employable is a method of hydroentangling that comprises spreading fiber webs on a belt support of a meshed resin net or metal net followed by applying water jets to them to thereby make the constituent fibers entangled. In this process, the height difference between the knuckles of the weft and those of the warp of the mesh belt is transferred onto the nonwoven fabric webs, and the nonwoven fabric thus processed is to have the intended embossed pattern on its surface. Also employable for it is another method of applying an embossing roll to the nonwoven fabric under pressure to thereby make the nonwoven fabric have the intended embossed pattern. In the invention, preferred is the method of hydroentangling, since the nonwoven fabric processed therein may have a soft feel and, even after washed, it well keeps the embossed pattern. The nonwoven fabric thus having such an embossed pattern may also be processed with S a binder resin or the like to form the bonded regions therein.
The embossed pattern referred to herein may be formed according to the methods mentioned hereinabove. For example, a nonwoven fabric having a pattern as in Fig. 2 may be used in the invention. In case where the nonwoven fabric of the type having such an embossed pattern is used in the invention, it is desirable that the height difference between the hills and the valleys of the pattern is at least 20% of the thickness of the nonwoven fabric. If having the height difference of at least the surface area of the nonwoven fabric increases and 0 therefore the length thereof to be in contact with dirt is prolonged. Having the advantages, the nonwoven fabric is more easily handled when used for wiping off dirt. In addition, the dirt to be wiped off may be physically caught by the hills of the embossed pattern of the nonwoven fabric and it may therefore well adhere to thenonwovenfabric. For these reasons, thewiping capability of the nonwoven fabric is much more enhanced.
Moreover, some dirt may be kept caught in the valleys of the nonwoven fabric, and do not move to other articles to stain them that are leaned with the nonwoven fabric. If the height will be flat, and if so, the nonwoven fabric could not well catch dirt and its wiping capability could not be so good. If so, in addition, the dirt once caught by the nonwoven fabric will move to other articles to stain them.
In the invention, it is further desirable that the hills are formed to be both in the bonded regions and the non-bonded regions. Thus formed to be both in the bonded regions and the non-bonded regions, the hills improve the wiping capability of the nonwoven fabric to well follow even the surfaces of non-flat articles to be wiped with it, and, in addition, the nonwoven fabric of the type has much improved washing resistance.
Moreover, the hills overlap with the bonded regions, and they are more hardened as the constituent fibers are concentrated therein. Accordingly, the thus-hardened hills are more o0 effective for wiping off persistent stains.
Assomentionedhereinabove, the nonwovenfabricforwipers of the invention has bonded regions in which the surface of the nonwovenfabricispreventedfrom fluffingup. Evenafterwashed, the entangled points of the constituent fibers of the nonwoven fabric do not shift and the nonwoven fabric is therefore not deformed. Accordingly, the nonwoven fabric can be used repeatedly. In case where extra-fine fibers having edges are used therein, the nonwoven fabric is effective even for wiping off extremely fine dirt. The advantage of the nonwoven fabric s of the type is that it may well catch such fine dirt and may readily hold it on its surface.
The nonwoven fabric of the invention is usable for various wipers, which are, for example, for wiping noble metal articles such as jellies and for wiping dishes, tables, glass articles, electric appliances, furniture, gas cookers, etc.
The wipers to be obtained in the invention are highly resistant to washing and can be used repeatedly, and therefore they are economical.
EXAMPLES
S The invention is described in more detail with reference to the following Examples, which, however, are not intended to restrict the scope of the invention. In the Examples, the physical properties were measured according to the methods mentioned below.
Thickness of nonwoven fabric: The thickness of a sample is measured at 10 points under a load of 12 gf/cm 2 applied thereto, and the data are averaged.
Height difference in embossed pattern of nonwoven fabric: A CCD laser dislocation sensor, LK-2000 (by Keyence) is used. With no load applied thereto, the thickness of a sample is measured at 6 hill peaks and 6 valley bottoms thereof. The data are averaged, and the difference between the two averages is divided by the thickness of the hill peaks. This indicates the height difference.
Example 1: Splittable conjugated fibers having a cross-sectional profile of alternately-layered nylon 6 and polyethylene terephthalate (Kuraray's WRAMP, having a fineness of 3.8 dtex and a fiber length of 51 mm) alone (100%) were fed into a carding machine and processed into fiber webs. The resulting webs were processed byhydroentangling whereby the constituent fibers were divided into extra-fine fibers and the thus-split extra-fine fibers were entangled. After thus processed by hydroentangling, S the webs were coated with an acrylic resin (by Nippon Carbide) with a gravure roll having a waved pattern of II in Fig. 1. The area ratio of the pattern is 13%, the binder pitch is 3.2 mm, and the binder amount is 2 g/m 2 The process gave a nonwoven fabric for wipers, having a mass per unit area of 80 g/m 2 The nonwoven fabric was observed, and was found to have linear bonded regions formed of the acrylic resin and non-bonded regions. The nonwoven fabric was observed in more detail, and it was confirmed that some ends of the extra-fine fibers in the non-bonded regions were embedded in the bonded regions and were fixed therein. The distance between the neighboring bonded regions was 3.0 mm. The data of the nonwoven fabric are given in Table 1.
Example 2: A nonwoven fabric for wipers having a mass per unit area of 80 g/m 2 was produced in the same manner as in Example 1 except JO for the following changes: The webs obtained in Example 1 were processed by hydroentangling on a herringbone-patterned net so that the net pattern was transferred onto the webs, and the webs therefore had the embossed herringbone pattern. Thus obtained, the nonwoven fabric was observed, and was found to have linear -W bonded regions formed of the acrylic resin and non-bonded regions.
The nonwoven fabric was observed in more detail, and it was confirmed that some ends of the extra-fine fibers in the non-bonded regions were embedded in the bonded regions and were fixed therein. The distance between the neighboring bonded S regions was 3.0 mm. See Table 1.
Example 3: A nonwoven fabric for wipers having a unit weight of g/m 2 was produced in the same manner as in Example 2 except for the following changes: Splittable conjugated fibers having a I0 cross-sectional profile of alternately-layered nylon 6 and polyethylene terephthalate (Kuraray's WRAMP, having a fineness of 3.8 dtex and a fiber length of 51 mm) 85% and core/sheath bicomponent binder fibers of which the core is polypropylene and the sheath is polyethylene (Daiwabo's NBF(H), 2.2 dtex, 51 Smm) 15% were fed into a carding machine and processed into fiber webs. The resulting webs were processed by hydroentangling whereby the splittable fibers were divided into extra-fine fibers and the resulting fibers were entangled. Thus processed, the webs were heat-set and the binder fibers therein were thereby fused. The distance between the neighboring bonded regions in the nonwoven fabric thus produced was 3.0 mm. See Table 1.
Comparative Example 1: A nonwoven fabric for wipers having a mass per unit area of 80 g/m 2 was produced in the same manner as in Example 2, to which, however, the acrylic resin was not applied. See Table 1.
Comparative Example 2: A nonwoven fabric for wipers having a mass per unit area of 80 g/m 2 was produced in the same manner as in Example 3, to which, however, the acrylic resin was not applied. See Table 1.
Comparative Example 3: Splittable conjugated fibers having a chrysanthemum-patterned cross-sectional profile of Io radially-aligned nylon 6 and polyethylene terephthalate (having a fineness of 2.2 dtex and a fiber length of 38 mm) 40% and polyethylene terephthalate fibers (having a fineness of 16.5 dtex and a fiber length of 51 mm) 60% were fed into a carding machine and processed into fiber webs. The resulting fibers webs were sprayed with an acrylic emulsion (15 g/m 2 in terms of the solid content of the emulsion), and then heat-set at 150°C for 3 minutes whereby the constituent fibers were bonded to each other to give a nonwoven fabric for wipers. See Table 1.
Table 1 mass per unit area Thickness Bonded Regions Height Difference (g/m 2 (mm) in Embossed Pattern Example 1 80 0.54 13 Example 2 80 0.52 13 38 Example 3 80 0.51 13 33 Comp. Ex. 1 80 0.57 0 41 Comp. Ex. 2 80 0.54 0 39 Comp. Ex. 3 150 2.6 100 The nonwoven fabrics for wipers obtained in the above-mentioned Examples and Comparative Examples were worked into wipers, and evaluated in the manner mentioned below. The results are given in Table 2.
Evaluation of fluffing resistance: 0.1 g of water is dropped onto a mirror face through a syringe. A wiper sample of 15 cm x 15 cm is folded in four.
An operator carries the wiper sample in the hand, and circularly moves it 10 times on the mirror face to wipe up the water. Then, the thus wiped mirror face is checked for the fiber leavings thereon from the wiper sample. Thus tried, the wiper sample is evaluated in 5 ranks as follows: No fluff found.
4: 1 to 5 fiber leavings found.
1 3: 6 to 25 fiber leavings found.
2: 26 to 50 fiber leavings found.
1: 51 or more fiber leavings found.
Evaluation of washing resistance: A square of 20 cm x 20 cm is marked on a wiper sample, and the sample is washed 5 times according to the washing test method of JIS L1096. After washed, the shrinkage percentage of the sample is measured. Based on the CD (cross direction) shrinkage percentage thereof, the sample is evaluated in 3 ranks as follows: .4 A: less than 3%.
B: 3% to C: more than Evaluation of wiping capability to remove oily stains: On a glass sheet, a circular seal is impressed with oily C ink. A wiper sample of 15 cm x 15 cm is folded in four. An operator carries the wiper sample in the hand, and completely wipes off the oily film with the wiper sample. The number of wipingoperationsthat hasbeendonebeforethefilmis completely wiped off is counted.
t Evaluation of wiping capability to remove persistent stains: Theabsorbance(A) of a glasssheetismeasured. Moriwiper (by Sumiko Lubricant) is circularly applied to the glass sheet, and dried. After dried, the absorbance of the glass sheet is measured. The glass sheet is set on the sample stand of a rubbing fastness tester. A wiper sample having a controlled water content of 100% is fitted to the friction probe of the tester, and this is moved once back and forth on the glass sheet to wipe off the stain. After this, the absorbance of the glass sheet is measured.
0 According to the following equation, the degree of stain removal is obtained.
Degree of stain removal (C B) x 100.
Evaluation of feel: The feel of each wiper sample in the hand is evaluated 2 in 3 ranks as follows: A: Soft to the hand.
B: A little hard to the hand.
C: Hard to the hand.
Table 2 Fluffing Washing Oil Stains Wiping Persistent Stains Feel Resistance resistance Capability Wiping Capability Example 1 5 A 9 56.4 A Example 2 5 A 9 57.0 A Example 3 5 A 8 51.2 AtoB Comp. Example 1 2 C 8 6.6 B Comp. Example 2 3 B 9 10.2 B Comp. Example 3 3 to 4 B 7 16.4 C As is obvious from Table 2, it is understood that the wipers formed of the nonwoven fabric of the invention have good wiping capabilities and washing resistance.
As described in detail with reference to its preferred Id embodiments, the nonwoven fabric of the invention exhibits excellent wiping capabilities to remove any and every dirt including oily stains and persistent stains under any cleaning conditions. While used for wiping off dirt, the wipers formed of the nonwoven fabric fluff up little. As their washing ce resistance is good, the wipers are usable repeatedly.
Claims (4)
1. A nonwoven fabric for wipers which contains extra-fine fibres having a single Sfibre fineness of 0.5 dtex or less, comprising linear and/or dot-like bonded regions and non-bonded regions on its surface, wherein the bonded regions account for from 10 to 80% of the surface area of the nonwoven fabric and the distance between the tin neighbouring bonded regions is at most 20mm, characterised in that the bonded regions O are formed by an acrylic resin binder.
2. The nonwoven fabric of claim 1, wherein the surface of the fabric has (N 0C embossed patterns, and the height difference between the hills and the valleys of the pattern is at least 20% of the thickness of the nonwoven fabric.
3. The nonwoven fabric of claim 1 or 2, which is formed of 100% extra-fine fibres.
4. A wiper made of the nonwoven fabric of any one of claims 1 to 3. Dated 17 July, 2006 Kuraray Co., Ltd. Patent Attorneys for the Applicant/Nominated Person SPRUSON FERGUSON IR:\LIBFF 13466.doc:hjg
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002031914 | 2002-02-08 | ||
JP31914/2002 | 2002-02-08 |
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AU2003200405A1 AU2003200405A1 (en) | 2003-08-28 |
AU2003200405B2 AU2003200405B2 (en) | 2006-10-12 |
AU2003200405B9 true AU2003200405B9 (en) | 2007-03-15 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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AU2003200405A Ceased AU2003200405B9 (en) | 2002-02-08 | 2003-02-04 | Nonwoven Fabric for Wiper |
Country Status (9)
Country | Link |
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US (1) | US20030176132A1 (en) |
EP (1) | EP1342825B2 (en) |
JP (1) | JP4597487B2 (en) |
KR (1) | KR100494211B1 (en) |
CN (1) | CN1436886B (en) |
AU (1) | AU2003200405B9 (en) |
DE (1) | DE60304615T3 (en) |
SG (1) | SG128436A1 (en) |
TW (1) | TWI229158B (en) |
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-
2003
- 2003-01-24 SG SG200300164A patent/SG128436A1/en unknown
- 2003-01-31 EP EP20030002228 patent/EP1342825B2/en not_active Expired - Fee Related
- 2003-01-31 DE DE60304615T patent/DE60304615T3/en not_active Expired - Lifetime
- 2003-02-04 AU AU2003200405A patent/AU2003200405B9/en not_active Ceased
- 2003-02-05 KR KR10-2003-0007102A patent/KR100494211B1/en active IP Right Grant
- 2003-02-05 US US10/358,331 patent/US20030176132A1/en not_active Abandoned
- 2003-02-06 JP JP2003029057A patent/JP4597487B2/en not_active Expired - Fee Related
- 2003-02-07 TW TW92102472A patent/TWI229158B/en not_active IP Right Cessation
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KR20030068043A (en) | 2003-08-19 |
JP2003301359A (en) | 2003-10-24 |
SG128436A1 (en) | 2007-01-30 |
KR100494211B1 (en) | 2005-06-13 |
AU2003200405A1 (en) | 2003-08-28 |
US20030176132A1 (en) | 2003-09-18 |
TWI229158B (en) | 2005-03-11 |
AU2003200405B2 (en) | 2006-10-12 |
CN1436886B (en) | 2010-05-26 |
EP1342825B2 (en) | 2010-11-03 |
EP1342825B1 (en) | 2006-04-19 |
DE60304615T3 (en) | 2011-05-19 |
CN1436886A (en) | 2003-08-20 |
EP1342825A1 (en) | 2003-09-10 |
DE60304615D1 (en) | 2006-05-24 |
JP4597487B2 (en) | 2010-12-15 |
DE60304615T2 (en) | 2007-05-03 |
TW200303384A (en) | 2003-09-01 |
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