JP5475650B2 - 被覆炭酸カルシウムを含むスパンレイド繊維、その製造方法、及び不織布製品 - Google Patents
被覆炭酸カルシウムを含むスパンレイド繊維、その製造方法、及び不織布製品 Download PDFInfo
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- JP5475650B2 JP5475650B2 JP2010510381A JP2010510381A JP5475650B2 JP 5475650 B2 JP5475650 B2 JP 5475650B2 JP 2010510381 A JP2010510381 A JP 2010510381A JP 2010510381 A JP2010510381 A JP 2010510381A JP 5475650 B2 JP5475650 B2 JP 5475650B2
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- Prior art keywords
- calcium carbonate
- fiber
- microns
- spunlaid
- fibers
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- 239000000835 fiber Substances 0.000 title claims abstract description 198
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 197
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 title abstract description 15
- 239000000945 filler Substances 0.000 claims abstract description 69
- 239000002245 particle Substances 0.000 claims abstract description 55
- 239000002952 polymeric resin Substances 0.000 claims abstract description 38
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 37
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000011368 organic material Substances 0.000 claims description 9
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 229940088990 ammonium stearate Drugs 0.000 claims description 2
- JPNZKPRONVOMLL-UHFFFAOYSA-N azane;octadecanoic acid Chemical compound [NH4+].CCCCCCCCCCCCCCCCCC([O-])=O JPNZKPRONVOMLL-UHFFFAOYSA-N 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 41
- 235000010216 calcium carbonate Nutrition 0.000 description 79
- 239000000047 product Substances 0.000 description 39
- 238000012360 testing method Methods 0.000 description 21
- 239000004744 fabric Substances 0.000 description 15
- 229920005989 resin Polymers 0.000 description 14
- 239000011347 resin Substances 0.000 description 14
- 238000001125 extrusion Methods 0.000 description 12
- 239000000654 additive Substances 0.000 description 11
- -1 polypropylene Polymers 0.000 description 11
- 239000004594 Masterbatch (MB) Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 230000000996 additive effect Effects 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 7
- 239000011256 inorganic filler Substances 0.000 description 7
- 229910003475 inorganic filler Inorganic materials 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 238000009864 tensile test Methods 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 229920005629 polypropylene homopolymer Polymers 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 238000007600 charging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002484 inorganic compounds Chemical class 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000010954 inorganic particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007786 electrostatic charging Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- XQMVBICWFFHDNN-UHFFFAOYSA-N 5-amino-4-chloro-2-phenylpyridazin-3-one;(2-ethoxy-3,3-dimethyl-2h-1-benzofuran-5-yl) methanesulfonate Chemical compound O=C1C(Cl)=C(N)C=NN1C1=CC=CC=C1.C1=C(OS(C)(=O)=O)C=C2C(C)(C)C(OCC)OC2=C1 XQMVBICWFFHDNN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000011787 zinc oxide Substances 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
- D04H3/14—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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- 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
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
-
- 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
- D04H3/10—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 yarns or filaments made mechanically
- D04H3/102—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 yarns or filaments made mechanically by needling
-
- 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
- D04H3/10—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 yarns or filaments made mechanically
- D04H3/105—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 yarns or filaments made mechanically by needling
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Multicomponent Fibers (AREA)
Description
少なくとも1種のポリマー樹脂
スパンレイド繊維、及び量を増大した被覆炭酸カルシウム充填剤を含む製品が本明細書中に開示される。本明細書中に開示されるスパンレイド繊維は、少なくとも1種のポリマー樹脂を含む。一実施形態では、少なくとも1種のポリマー樹脂は、任意の特定の不織布製品又は用途で所望される特性をもたらす従来のポリマー樹脂から選択される。別の実施形態では、少なくとも1種のポリマー樹脂は、ポリオレフィン、例えばポリプロピレン及びポリエチレンのホモポリマー及びコポリマー、例えば1−ブテン、4−メチル−1−ペンテン、及び1−ヘキサンとのコポリマー;ナイロン等のポリアミド;ポリエステル;上述のポリマーのいずれかのコポリマー;及びこれらのブレンドを含む(これらに限定されない)熱可塑性ポリマーから選択される。
本開示による不織繊維はまた、少なくとも1種の充填剤を含む。一実施形態では、少なくとも1種の充填剤は、様々なポリマー製品の形成に一般的に使用される充填剤である被覆炭酸カルシウムである。別の実施形態では、少なくとも1種の充填剤は、被覆炭酸カルシウム、タルク、及び粘土から成る群より選択される。
スパンレイド繊維は、少なくとも1種のポリマー樹脂及び少なくとも1種の充填剤に加えて、少なくとも1種の添加剤をさらに含んでいてもよい。少なくとも1種の添加剤は、現在本技術分野で既知の添加剤、又は今後発見される添加剤から選択され得る。一実施形態では、少なくとも1種の添加剤は、タルク、石膏、珪藻土、カオリン、アタパルジャイト、ベントナイト、モンモリロナイト、及び他の天然又は合成の粘土を含む(これらに限定されない)付加的な無機充填剤から選択される。別の実施形態では、少なくとも1種の添加剤は、シリカ、アルミナ、酸化マグネシウム、酸化亜鉛、酸化カルシウム、及び硫酸バリウムを含む(これらに限定されない)無機化合物から選択される。さらなる実施形態では、少なくとも1種の添加剤は、蛍光増白剤、熱安定剤、酸化防止剤、静電防止剤、粘着防止剤、染料、二酸化チタンを含む(これに限定されない)顔料、光沢向上剤、界面活性剤、天然油、及び合成油から成る群の1つから選択される。
本明細書中で実施例1〜実施例12に開示される例示的な繊維は、同じプロセスパラメータで製造され、したがって、図5に示すものと同様の繊維直径を有する。図5に示す結果により、これらの繊維が市販のスパンボンドの操作に典型的なサイズであり、サイズは被覆炭酸カルシウム含有量に応じて有意に変化しないことが説明される。図6及び図7は、それぞれ被覆炭酸カルシウムを含まない繊維、及び被覆炭酸カルシウムを添加した後の繊維を示すSEM写真である。スパンレイドウェブにおける個々の繊維特性の測定は、繊維が通常の製造中に絡まるために困難であり得る。試験のために個々の繊維を分離するプロセスによって、繊維が損傷し、物理的特性が根本的に変化する可能性がある。
本明細書中で論じられるスパンレイド繊維は、少なくとも1種のポリマー樹脂を含む繊維の不織布ウェブの製造をもたらす、現在当業者に既知であるか、又は今後発見される任意の適切なプロセス(単数又は複数)に従って製造され得る。2つの例示的なスパンレイドプロセスは、スパンボンディング及びメルトブローイングである。スパンレイドプロセスは、少なくとも1種のポリマー樹脂を少なくともその軟化点、又はポリマー樹脂の押出に好適な任意の温度まで加熱することから始まる。一実施形態では、少なくとも1種のポリマー樹脂は、約180℃〜約240℃の範囲内の温度まで加熱される。別の実施形態では、少なくとも1種のポリマー樹脂は、約200℃〜約220℃まで加熱される。
本明細書中に開示される繊維は、あらゆる方法により、あらゆる特性に関して試験することができる。一実施形態では、ASTM D3822に記載される試験を使用し得る。
ダートドロップ試験は、標準高さから不織布シートにダートを落とすことにより実行する。ダートに付ける重りを徐々に増やして落下を繰り返す。試験の終点は、ダートを布に衝突させたときダートの半分が穴を形成する重量として規定される。このプロトコルは、例えばASTM 1709にさらに十分に記載される。
スパンレイド繊維を押出装置から可動ウェブ上に無作為に散布して、不織布を製造する。しかしながら、ウェブが移動する方向、又は縦方向(MD)に整列する繊維は、幅方向(cross machine direction)(CD)又は横方向(TD)と呼ばれる機械に直角の方向に整列する繊維よりも多くなる。これは、不織布を幅方向又は横方向よりも縦方向に強くし得る。
2つのスパンレイドウェブの推定相対密度は、2つのスパンレイドウェブ各々についてエンボス加工箇所の厚さを測定し、その比をとることにより算出され得る。
スパンレイドウェブの電荷密度は、コロナ帯電システム(TANTRET Tech−1等)によりウェブを帯電させた後、適切な電圧計及びプローブ(1017E Probeを備えるMonroe Model 244 Isoprobe Electrostatic Voltmeter等)を用いて表面電荷を試験することにより測定され得る。測定システムは、適切なデータ収集コンピュータ(DT 2801 I/Oシステムを用いるIBM ATコンピュータ(Data Translation Inc., Marlborough, Mass.))と接続されていてもよい。電荷密度を測定するための一技法は、Tsai et al., "Different Electrostatic Methods for Making Electret Filters," 54 J. Electrostatics 333-341 (2002)(その全体が参照により本明細書中に援用される)に記載される。
50重量%の被覆炭酸カルシウム(米国のImerys, Inc.製のFiberLink(商標)101S)及び50重量%のポリプロピレンホモポリマー(Exxon 3155)を含むマスターバッチを、ZSK 30 Twin Screw Extruderを用いて調製し、Cumberlandペレタイザーでペレット化した。FiberLink(商標)101Sは、1.5ミクロンの平均粒径及び約8ミクロンのトップカットを有していた。次に、得られた製品を、Reicofil 2押出機内で未使用Exxon 3155ポリマーと合わせ、繊維を製造した。繊維はスパンボンドウェブとして集め、続いてポイントボンディングして(point bonded)、0重量%〜25重量%の被覆炭酸カルシウムを含む不織布を製造した。0重量%及び5重量%の炭酸カルシウムを含む布を、比較例として取り入れた。25重量%の被覆炭酸カルシウムを含む布以外の得られた布は全て、25gsmの基本重量を示した。25重量%の被覆炭酸カルシウムを含む布は、29gsmの基本重量を有していた。
実施例1〜実施例6で説明したものと同じ機械類及び手順を用いて、2種の被覆炭酸カルシウム(米国のImerys, Inc.製のFiberLink 101S(商標)及びImerys, Inc.からのFiberLink(商標)103S)の1つを0重量%、5重量%、又は20重量%含む不織布を製造した。FiberLink(商標)103Sは、約3ミクロンの平均粒径、及び約15ミクロンのトップカットを有していた。ポリプロピレン樹脂の3倍の密度での炭酸カルシウムの添加を補償するために、可動ベルトを徐々に速く動かした。これらの繊維の処理中にプロセス上の問題点は現れなかった。
実施例11については、実施例1〜実施例6に記載のものと同じ手順で、ポリプロピレン樹脂を0%、5%、又は20%のKOTOMITE(登録商標)(Imerys, Inc.製の被覆炭酸カルシウム)と合わせた。標準的なKOTOMITE(登録商標)は、約3ミクロンの平均粒径、及び約20ミクロンのトップカットを有するが、これはFiberLink(商標)103Sより高い。KOTOMITE(登録商標)とFiberLink(商標)103Sとのわずかなサイズの差異は、繊維が平均して約16ミクロンの直径で製造されるため重要である。20ミクロンの粒子は、高濃度で、延伸プロセス中の繊維の断裂の原因となる。
0%、5%、及び20%の被覆炭酸カルシウム(米国のImerys, Inc.製のFiberLink(商標)101S)を含むウェブを、まずコロナ帯電システム(TANTRET Tech−1)で帯電し、次に1017E Probeを備えるMonroe Model 244 Isoprobe Electrostatic Voltmeterを用いて、表面電荷について試験した。測定システムは、DT 2801 I/Oシステムを用いるIBM ATコンピュータ(Data Translation Inc., Marlborough, Mass.)に接続した。この技法はTsai et al., "Different Electrostatic Methods for Making Electret Filters," 54 J. Electrostatics 333-341 (2002)の記載に従った。
Claims (20)
- 少なくとも1種のポリマー樹脂、及び3ミクロン以下の平均粒径を有する少なくとも1種の被覆充填剤を含むスパンレイド繊維であって、該少なくとも1種の被覆充填剤が被覆炭酸カルシウムであり、且つ該スパンレイド繊維の全重量に対して5重量%〜40重量%の範囲内の量で該繊維中に存在し、さらに該繊維が0.5ミクロン〜35ミクロンの範囲内の平均直径を有することを特徴とするスパンレイド繊維。
- 前記炭酸カルシウムの被覆物が、脂肪酸並びにその塩及びエステルから選択される少なくとも1種の有機材料である請求項1に記載のスパンレイド繊維。
- 前記少なくとも1種の有機材料が、ステアリン酸、ステアレート、ステアリン酸アンモニウム、及びステアリン酸カルシウムから選択される請求項2に記載のスパンレイド繊維。
- 前記少なくとも1種のポリマー樹脂が熱可塑性ポリマーから選択される請求項1に記載のスパンレイド繊維。
- 前記熱可塑性ポリマーが、ポリオレフィン、ポリアミド、ポリエステル、そのコポリマーの少なくとも1種、及びそのブレンドから選択される請求項4に記載のスパンレイド繊維。
- 前記炭酸カルシウムが2ミクロン以下の平均粒径を有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが1.5ミクロン以下の平均粒径を有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが1ミクロン以下の平均粒径を有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが0.5ミクロン以下の平均粒径を有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが、前記スパンレイド繊維の平均直径の100%以下の平均粒径を有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが、1ミクロン〜3ミクロンの範囲内の平均粒径を有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが、1ミクロン〜2ミクロンの範囲内の平均粒径を有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが、0.5ミクロン〜1.5ミクロンの範囲内の平均粒径を有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが15ミクロンより小さいトップカットを有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが、4ミクロン〜10ミクロンの範囲内のトップカットを有する請求項1に記載のスパンレイド繊維。
- 前記炭酸カルシウムが、4ミクロン〜6ミクロンの範囲のトップカットを有する請求項1に記載のスパンレイド繊維。
- 前記スパンレイド繊維が−10ボルト〜−100ボルトの電荷密度を有する請求項1に記載のスパンレイド繊維。
- 前記電荷密度が−20ボルト〜−70ボルトである請求項1に記載のスパンレイド繊維。
- 請求項1に記載の少なくとも1種のスパンレイド繊維を含む不織布。
- 少なくとも1種のポリマー樹脂、及び15ミクロンより小さいトップカットを有する被覆炭酸カルシウムを含むスパンレイド繊維であって、該被覆炭酸カルシウムが、該スパンレイド繊維の全重量に対して5重量%〜40重量%の範囲内の量で該繊維中に存在するスパンレイド繊維。
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-
2008
- 2008-02-14 AT AT08729862T patent/ATE525182T1/de not_active IP Right Cessation
- 2008-02-14 EP EP11180514A patent/EP2397293A1/en not_active Withdrawn
- 2008-02-14 EP EP13162385.2A patent/EP2633964B1/en not_active Revoked
- 2008-02-14 KR KR1020097016379A patent/KR101449981B1/ko active IP Right Grant
- 2008-02-14 WO PCT/US2008/053964 patent/WO2008077156A2/en active Application Filing
- 2008-02-14 CN CN2008800028090A patent/CN101652231B/zh active Active
- 2008-02-14 JP JP2010510381A patent/JP5475650B2/ja active Active
- 2008-02-14 EP EP08729862A patent/EP2150385B8/en not_active Revoked
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Also Published As
Publication number | Publication date |
---|---|
KR101449981B1 (ko) | 2014-10-14 |
EP2633964A1 (en) | 2013-09-04 |
EP2150385B1 (en) | 2011-09-21 |
US9447531B2 (en) | 2016-09-20 |
WO2008077156A9 (en) | 2008-08-14 |
US20140070443A1 (en) | 2014-03-13 |
EP2397293A1 (en) | 2011-12-21 |
EP2633964B1 (en) | 2018-10-24 |
KR20100018485A (ko) | 2010-02-17 |
JP2010529309A (ja) | 2010-08-26 |
CN101652231B (zh) | 2013-08-07 |
EP2150385B8 (en) | 2012-03-21 |
ATE525182T1 (de) | 2011-10-15 |
WO2008077156A2 (en) | 2008-06-26 |
EP2150385A2 (en) | 2010-02-10 |
EP2150385A4 (en) | 2010-05-26 |
WO2008077156A3 (en) | 2008-09-25 |
CN101652231A (zh) | 2010-02-17 |
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