WO2018173702A1 - 吸湿性粒状綿および該粒状綿を含有する中綿 - Google Patents
吸湿性粒状綿および該粒状綿を含有する中綿 Download PDFInfo
- Publication number
- WO2018173702A1 WO2018173702A1 PCT/JP2018/008103 JP2018008103W WO2018173702A1 WO 2018173702 A1 WO2018173702 A1 WO 2018173702A1 JP 2018008103 W JP2018008103 W JP 2018008103W WO 2018173702 A1 WO2018173702 A1 WO 2018173702A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hygroscopic
- fiber
- granular cotton
- fibers
- granulated wool
- Prior art date
Links
- 210000002268 wool Anatomy 0.000 title abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 110
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 239000002344 surface layer Substances 0.000 claims abstract description 19
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims description 52
- 238000000691 measurement method Methods 0.000 claims description 4
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 230000007423 decrease Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 241000219146 Gossypium Species 0.000 description 47
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- -1 polypropylene Polymers 0.000 description 17
- 238000011282 treatment Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Substances NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 6
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 6
- 229920002972 Acrylic fiber Polymers 0.000 description 5
- 239000003431 cross linking reagent Substances 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 125000002560 nitrile group Chemical group 0.000 description 5
- 229920002239 polyacrylonitrile Polymers 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 230000003578 releasing effect Effects 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- ZAXCZCOUDLENMH-UHFFFAOYSA-N 3,3,3-tetramine Chemical compound NCCCNCCCNCCCN ZAXCZCOUDLENMH-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- FUSNOPLQVRUIIM-UHFFFAOYSA-N 4-amino-2-(4,4-dimethyl-2-oxoimidazolidin-1-yl)-n-[3-(trifluoromethyl)phenyl]pyrimidine-5-carboxamide Chemical compound O=C1NC(C)(C)CN1C(N=C1N)=NC=C1C(=O)NC1=CC=CC(C(F)(F)F)=C1 FUSNOPLQVRUIIM-UHFFFAOYSA-N 0.000 description 1
- 206010009866 Cold sweat Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- DVHXJLRODLTJOD-UHFFFAOYSA-N aminoazanium;bromide Chemical compound Br.NN DVHXJLRODLTJOD-UHFFFAOYSA-N 0.000 description 1
- BIVUUOPIAYRCAP-UHFFFAOYSA-N aminoazanium;chloride Chemical compound Cl.NN BIVUUOPIAYRCAP-UHFFFAOYSA-N 0.000 description 1
- OTBHHUPVCYLGQO-UHFFFAOYSA-N bis(3-aminopropyl)amine Chemical compound NCCCNCCCN OTBHHUPVCYLGQO-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- PTYMQUSHTAONGW-UHFFFAOYSA-N carbonic acid;hydrazine Chemical compound NN.OC(O)=O PTYMQUSHTAONGW-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000012493 hydrazine sulfate Substances 0.000 description 1
- 229910000377 hydrazine sulfate Inorganic materials 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 229920000083 poly(allylamine) Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical class C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 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
- D04H1/02—Cotton wool; Wadding
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/12—Hygroscopic; Water retaining
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
-
- 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
- D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
- D04H1/06—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres by treatment to produce shrinking, swelling, crimping or curling of fibres
- D04H1/073—Acrylonitrile series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/43—Acrylonitrile series
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
- D06M11/63—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with hydroxylamine or hydrazine
Definitions
- the present invention relates to a hygroscopic granular cotton having both hygroscopicity and sustained bulkiness, and a batting containing the granular cotton.
- Patent Document 1 Conventionally, it has been proposed to use moisture-absorbing / releasing fibers for clothing and bedding (Patent Document 1).
- the batting using moisture-absorbing / releasing fibers is expected to have functions such as humidity control by moisture-absorbing / releasing properties and heat retention using heat generated by moisture absorption.
- moisture-absorbing / releasing fibers have low bulkiness and resilience, and are a major issue in developing into batting.
- Patent Document 2 discloses a technique for improving bulkiness by modifying a moisture absorbing / releasing fiber. Moreover, in patent document 3, the technique which improves bulkiness by raising the crimp of a moisture absorption / release fiber is disclosed. Furthermore, Patent Document 4 discloses a technique for improving the bulkiness by making hygroscopic fibers granular with other synthetic fibers and collecting a large number of these.
- the present invention was created in view of the current state of the prior art, and its object is to provide a hygroscopic granular cotton having both hygroscopicity and sustained bulkiness, and a filling containing the granular cotton. It is in.
- the present inventors have reduced the number of fluff protruding from the surface of the granular cotton, and when the granular cotton is pressed against each other by moisture absorption, pressure, deformation, etc. It has been found that the entanglement between the granular cottons can be suppressed and the bulk can be easily recovered.
- a granular cotton containing hygroscopic fibers composed of a surface layer portion made of a polymer having a crosslinked structure and a carboxyl group and a central portion made of an acrylonitrile-based polymer, and having a volume expansion coefficient by the following measuring method.
- a hygroscopic granular cotton having a moisture absorption rate of 4% or more in an environment of 15% or more and 20 ° C. and a relative humidity of 65%.
- ⁇ Measurement method> A sample that has been conditioned for at least 24 hours in a constant temperature and humidity machine at 20 ° C.
- the hygroscopic granular cotton of the present invention has both hygroscopicity and sustained bulkiness. More specifically, since it has better moisture absorption and release performance than general polyester as a batting, it is difficult to stuffy, and it is difficult to pass even if it is continuously used, and it can maintain bulkiness.
- the hygroscopic granular cotton of the present invention having such performance is useful as a batting, and particularly for applications that come into contact with or close to the human body, such as batting for duvets, batting such as cushions and chairs, or ski wear, winter clothes, coats, It can be suitably used for clothing items such as jumpers, gloves and semi-wraps.
- the present invention is described in detail below.
- the hygroscopic granular cotton of the present invention has a volume expansion coefficient of 15% or more, more preferably 20% or more, still more preferably 25% or more by the method described later.
- Such a granular cotton having a volume expansion rate of less than 15% is too hard and has a rough texture, or the bulkiness is greatly reduced during repeated use. Problems such as a significant decrease in heat retention or a collapse of the shape occur.
- limiting in particular as an upper limit of a volume expansion coefficient It seems that it is difficult to produce hygroscopic granular cotton which exceeds 100% in this invention.
- the hygroscopic granular cotton of the present invention has a 20 ° C. ⁇ 65% RH hygroscopicity of 4% or more, more preferably 5% or more, and further preferably 6% or more.
- the moisture absorption rate is less than 4%, the moisture absorption performance is insufficient, and when used in an application that comes into contact with or close to the human body, the water vapor emitted from the human body cannot be sufficiently absorbed, resulting in a strong stuffiness. If it becomes severe, water vapor may condense, causing stickiness and cold sweat.
- the hygroscopic granular cotton of the present invention contains hygroscopic fibers composed of a surface layer portion made of a polymer having a crosslinked structure and a carboxyl group and a central portion made of an acrylonitrile-based polymer.
- hygroscopic fibers composed of a surface layer portion made of a polymer having a crosslinked structure and a carboxyl group and a central portion made of an acrylonitrile-based polymer.
- moisture absorption / release performance is exhibited in the surface layer portion, and a certain level of fiber hardness (hardness) is maintained in the central portion.
- the central part is made of a polymer having a crosslinked structure and a carboxyl group as in the case of the surface layer part, the fiber is very easy to pass and it is difficult to maintain bulkiness.
- the proportion of the hygroscopic fibers contained in the hygroscopic granular cotton is preferably 10 to 70% by mass, more preferably 15 to 40% by mass, and further preferably 20 to 35% by mass. If it is less than 10% by mass, the moisture absorption / release performance of the hygroscopic granular cotton may be insufficient. If it exceeds 70% by mass, the bulkiness and sustainability of the hygroscopic granular cotton may be insufficient.
- fibers used in addition to the hygroscopic fibers include polyester fibers, polypropylene fibers, polyethylene fibers, polyamide fibers, acrylic fibers, cellulosic fibers, cotton, wool, and silk. Among these, polyester fibers are preferably used because they are effective in improving bulkiness and sustainability.
- the fineness of the hygroscopic fiber employed in the present invention is preferably 1 to 6 dtex, more preferably 1.7 to 5 dtex, and further preferably 2 to 4 dtex. If it is less than 1 dtex, the bulkiness and sustainability of the hygroscopic granular cotton may be insufficient. If it exceeds 6 dtex, it may be difficult to form granular cotton.
- the fiber length of the hygroscopic fiber employed in the present invention is preferably 20 to 80 mm, more preferably 20 to 40 mm, from the viewpoint of easy formation of granular cotton and the reduction of fluff protruding from the surface of the granular cotton. .
- the fiber length of the other fibers is preferably the same as that of the hygroscopic fiber employed in the present invention.
- the Young's modulus of the hygroscopic fiber employed in the present invention is preferably 7 to 20 cN / dtex, more preferably 7.5 to 18 cN / dtex, and still more preferably 8 to 15 cN / dtex.
- the Young's modulus is within the range of 7 to 20 cN / dtex, it is easy to form granular cotton, and the shape is not an irregular shape such as a rice grain shape or a tadpole shape, but can be obtained in a shape close to a sphere. It becomes easy.
- the fluff which protrudes from the surface of granular cotton can be decreased, and even when compressed, etc., each other is less likely to be entangled, and it is easy to show a good bulk recovery.
- the crimp rate of the hygroscopic fiber employed in the present invention is preferably 3 to 12%, more preferably 4 to 9%, and the number of crimps is preferably 4 to 12 peaks / 25 mm, more Preferably, it is 5 to 10 mountain / 25 mm. If the crimp ratio and the number of crimps are in the range, the entanglement between the fibers becomes an appropriate level during granulation, the hygroscopic fibers are efficiently taken into the granular cotton, and the fluff protruding from the surface of the granular cotton is reduced. However, it is also easy to obtain a shape that is almost a sphere, rather than an irregular shape such as rice grain or tadpole.
- the numerical value A represented by the following formula is preferably 0.050 or more and less than 0.080, more preferably 0.055 or more and less than 0.070.
- A Carboxyl group amount [mmol / g] / Ratio of surface layer cross section in fiber cross section [%]
- the numerical value A is a numerical value correlated with the concentration of the carboxyl group in the fiber surface layer portion.
- the larger this value the higher the concentration of carboxyl groups, which are polar functional groups, on the fiber surface, so static electricity during the formation of granular cotton can be suppressed, and in a rugged shape like a tadpole. It becomes easy to obtain almost in the shape of a sphere.
- the numerical value A is preferably 0.050 or more, and more preferably 0.055 or more.
- the numerical value A is 0.08 or more, the fiber surface layer portion becomes sticky due to moisture absorption, and the fibers tend to stick to each other. Or the ratio of the other fibers that are used together from the granular cotton may jump out due to the influence.
- a cation of an alkali metal such as lithium, sodium or potassium, a cation of an alkaline earth metal such as magnesium or calcium, manganese, copper can be selected according to the required properties from cations of other metals such as zinc and silver, ammonium ions and hydrogen ions.
- other metals such as zinc and silver, ammonium ions and hydrogen ions.
- sodium and potassium although the bulkiness is difficult to increase, the moisture absorption rate and the amount of moisture absorption increase, and when a polyvalent metal ion such as magnesium, calcium, or zinc is adopted, the moisture absorption rate is Although it becomes slow, it tends to increase the bulkiness.
- the hygroscopic granular cotton of the present invention preferably has an average diameter of 3 to 9 mm, more preferably 4 to 6 mm. Granulation with an average diameter of less than 3 mm is difficult. On the other hand, if the average diameter exceeds 9 mm, problems may occur during product processing such as blowing.
- the specific volume of the hygroscopic granular cotton of the present invention is preferably 100 cm 3 / g or more, more preferably 150 cm 3 / g or more, and further preferably 200 cm 3 / g or more from the viewpoint of obtaining sufficient bulkiness.
- the specific volume of the hygroscopic granular cotton of the present invention is preferably 100 cm 3 / g or more, more preferably 150 cm 3 / g or more, and further preferably 200 cm 3 / g or more from the viewpoint of obtaining sufficient bulkiness.
- a method for producing the hygroscopic fiber employed in the present invention a method of subjecting the surface layer portion of the acrylonitrile fiber to a crosslinking introduction treatment and a hydrolysis treatment can be employed.
- the acrylonitrile fiber used as a raw material can be produced from an acrylonitrile polymer by a known method.
- the acrylonitrile polymer preferably has an acrylonitrile content of 50% by mass or more, more preferably 80% by mass or more, and still more preferably 85% by mass or more.
- the crosslinked structure is formed by the reaction of the nitrile group of the acrylonitrile polymer and the crosslinking agent, when the acrylonitrile content in the acrylonitrile polymer is small, the amount that the crosslinked structure can be introduced decreases.
- the fiber strength may be insufficient in processing and practical use.
- a crosslinked structure is introduced into the surface layer of the acrylonitrile fiber as described above.
- a conventionally known crosslinking agent may be used, but it is preferable to use a nitrogen-containing compound from the viewpoint of the introduction efficiency of the crosslinked structure.
- the nitrogen-containing compound it is preferable to use an amino compound or a hydrazine compound having two or more primary amino groups.
- amino compounds having two or more primary amino groups include diamine compounds such as ethylenediamine and hexamethylenediamine, diethylenetriamine, 3,3′-iminobis (propylamine), N-methyl-3,3′-iminobis ( Triamine compounds such as propylamine), triethylenetetramine, N, N′-bis (3-aminopropyl) -1,3-propylenediamine, N, N′-bis (3-aminopropyl) -1,4- Examples include tetramine compounds such as butylenediamine, polyvinylamine, polyallylamine, and the like, and polyamine compounds having two or more primary amino groups.
- diamine compounds such as ethylenediamine and hexamethylenediamine, diethylenetriamine, 3,3′-iminobis (propylamine), N-methyl-3,3′-iminobis ( Triamine compounds such as propylamine), triethylenetetramine, N, N′-bis (3-aminopropy
- hydrazine compound examples include hydrazine hydrate, hydrazine sulfate, hydrazine hydrochloride, hydrazine hydrobromide, hydrazine carbonate, and the like.
- the upper limit of the number of nitrogen atoms in one molecule is not particularly limited, but is preferably 12 or less, more preferably 6 or less, and particularly preferably 4 or less. When the number of nitrogen atoms in one molecule exceeds the above upper limit, the cross-linking agent molecule becomes large and it may be difficult to introduce a cross-linked structure into the fiber.
- the conditions for introducing the cross-linked structure are not particularly limited, and can be appropriately selected in consideration of the reactivity between the cross-linking agent employed and the acrylonitrile fiber, the amount of the cross-linked structure, and the like.
- a hydrazine compound is used as the crosslinking agent
- the acrylonitrile fiber described above is immersed in an aqueous solution to which the hydrazine compound is added so that the hydrazine concentration is 0.1 to 10% by mass. And a method of treating at 2 ° C. for 2 to 10 hours.
- hydrolysis treatment with an alkaline metal compound is performed, and nitrile groups present in the surface layer portion of the fiber are hydrolyzed to form carboxyl groups.
- Specific treatment conditions may be set as appropriate in consideration of the above-mentioned carboxyl group concentration and the like, and various conditions such as the concentration of the treating agent, reaction temperature, reaction time, etc. may be set as appropriate, preferably 0.5 to 10% by mass, More preferably, a means for treating in a 1 to 5% by mass aqueous treatment chemical solution at a temperature of 80 to 150 ° C. for 2 to 10 hours is preferred from the industrial and fiber properties viewpoints.
- the above-described cross-linking introduction treatment and hydrolysis treatment are collectively performed simultaneously using an aqueous solution in which the respective treatment chemicals are mixed, rather than sequentially performing as described above. Furthermore, in the present invention, it is preferable that this simultaneous treatment is performed under mild conditions using a lower concentration of alkaline metal compound than before, and the subsequent acid treatment is performed under severer conditions at a higher temperature than before.
- the hygroscopic fiber of this invention can take the structure where many carboxyl groups existed in the narrow surface layer part conventionally, and the comparatively hard acrylonitrile-type polymer was preserve
- the formed carboxyl group includes a salt-type carboxyl group whose counter ion is a cation other than a hydrogen ion, and an H-type carboxyl group whose counter ion is a hydrogen ion.
- a salt-type carboxyl group whose counter ion is a cation other than a hydrogen ion
- an H-type carboxyl group whose counter ion is a hydrogen ion In order to obtain a high moisture absorption rate, it is desirable that 50% or more of the carboxyl groups are salt-type carboxyl groups.
- Methods for adjusting the ratio of salt-type carboxyl groups to H-type carboxyl groups within the above range include ion exchange treatment with metal salts such as nitrates, sulfates and hydrochlorides, and acid treatments with nitric acid, sulfuric acid, hydrochloric acid, formic acid, etc.
- a method of performing pH adjustment treatment with an alkaline metal compound or the like can be
- the method for producing the hygroscopic granular cotton of the present invention described above conventionally known methods and conditions can be employed. For example, the following methods can be mentioned.
- the hygroscopic fibers obtained as described above and fibers that are used in combination as needed are sufficiently opened using a card having a plurality of rollers with garnet wires provided on the surface.
- fibers that have been sufficiently opened are blown into a room provided with a rotating body having a plurality of fins in a cylindrical space where air turbulence is likely to occur, and can be taken out after turbulent stirring for a predetermined time.
- Japanese Patent Application Laid-Open No. 2007-169646 Japanese Patent Application Laid-Open No. 10-259559
- Japanese Patent Application Laid-Open No. 61-125377 Japanese Patent Publication No. 57-48 using a mechanical share
- Japanese Patent Application Laid-Open No. Sho 62-33856 Japanese Patent Application Laid-Open No. 62-27833 can be employed.
- the batting of the present invention may be a combination of other fiber cotton.
- other fiber cotton include feathers, wool, animal hair, silk, cotton, polyester fiber, polypropylene fiber, polyethylene fiber, polyamide fiber, acrylic fiber, cellulosic fiber, etc. be able to.
- Such batting of the present invention is used in contact with or close to the human body, for example, batting for duvets, padding for cushions and chairs, or batting for clothing items such as ski wear, winter clothes, coats, jumpers, gloves and semi-wraps. It can be particularly suitably used.
- Ratio of surface area cross-sectional area in fiber cross section Sample fiber is a bath ratio of 1:80 in a dyeing bath containing 2.5% cationic dye (Nicilon Black G 200) and 2% acetic acid based on the fiber mass. After being soaked and boiled for 30 minutes, it is washed with water, dehydrated and dried. The obtained dyed fiber is sliced thinly perpendicular to the fiber axis, and the fiber cross section is observed with an optical microscope. At this time, the central portion made of the acrylonitrile-based polymer is dyed black, and the surface layer portion having many carboxyl groups becomes green because the dye is not sufficiently fixed.
- Numerical value A carboxyl group amount [mmol / g] / ratio of surface layer cross-sectional area in fiber cross section [%]
- ⁇ Ratio of salt-type carboxyl group to H-type carboxyl group the amount of H-type carboxyl groups is calculated in the same manner except that the first immersion in 1 mol / l hydrochloric acid aqueous solution and the subsequent immersion in water (water washing) are not performed. By subtracting the amount of H-type carboxyl groups from the total amount of carboxyl groups, the amount of salt-type carboxyl groups is calculated, and the ratio of salt-type carboxyl groups to H-type carboxyl groups is determined.
- volume expansion coefficient (H2 ⁇ H1) / H1 ⁇ 100
- ⁇ Average diameter of granular cotton> Select 100 samples at random, measure the diameter with calipers, and determine the average value.
- the average value of the major axis and the minor axis is taken as the diameter of each sample.
- the obtained acrylic fiber was subjected to crosslinking introduction treatment and hydrolysis treatment simultaneously in an aqueous solution containing 0.5% by mass of hydrazine hydrate and 2.0% by mass of sodium hydroxide for 8 hours.
- the mixture was treated with a 100% aqueous nitric acid solution at 100 ° C. for 3 hours and washed with water.
- the obtained fiber was immersed in water, adjusted to pH 9 by adding sodium hydroxide, washed with water and dried to obtain hygroscopic fiber A.
- Table 1 The details and evaluation results of the obtained hygroscopic fibers are shown in Table 1.
- Examples 1 to 5 Each hygroscopic fiber and polyester fiber (fineness 3.3 dtex, fiber length 38 mm, crimp number 5.0 mountain / 25 mm, crimp degree 10.0%) are mixed at the ratio shown in Table 2, and the garnet wire is on the surface.
- Examples 1 to 5 all had good hygroscopicity and bulky restoring properties.
- Comparative Example 1 the amount of hygroscopic fibers was small and a sufficient moisture absorption rate was not obtained.
- the comparative example 2 since the numerical value A of the hygroscopic fiber used was large, it became a rice grain shape with many protruding fibers, and the volume expansion rate was inferior.
- Comparative Example 3 the Young's modulus of the hygroscopic fiber used was low and the volume expansion coefficient was inferior.
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