JP2021127536A - Polyester fiber fabric and polyester fiber product - Google Patents
Polyester fiber fabric and polyester fiber product Download PDFInfo
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- JP2021127536A JP2021127536A JP2020022719A JP2020022719A JP2021127536A JP 2021127536 A JP2021127536 A JP 2021127536A JP 2020022719 A JP2020022719 A JP 2020022719A JP 2020022719 A JP2020022719 A JP 2020022719A JP 2021127536 A JP2021127536 A JP 2021127536A
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- Prior art keywords
- polyester fiber
- fiber fabric
- natural dye
- fabric
- dye
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- 239000000835 fiber Substances 0.000 title claims abstract description 226
- 239000004744 fabric Substances 0.000 title claims abstract description 212
- 229920000728 polyester Polymers 0.000 title claims abstract description 212
- 229930182559 Natural dye Natural products 0.000 claims abstract description 133
- 239000000978 natural dye Substances 0.000 claims abstract description 133
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000002245 particle Substances 0.000 claims abstract description 64
- 239000000986 disperse dye Substances 0.000 claims abstract description 51
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 56
- 238000010521 absorption reaction Methods 0.000 claims description 24
- 238000012360 testing method Methods 0.000 claims description 17
- -1 ammonium salt compound Chemical class 0.000 claims description 14
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 150000001767 cationic compounds Chemical class 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 description 29
- 241000196324 Embryophyta Species 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 19
- 238000012545 processing Methods 0.000 description 16
- 239000000975 dye Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000004753 textile Substances 0.000 description 12
- 238000004043 dyeing Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000002759 woven fabric Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000009940 knitting Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
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- 210000004243 sweat Anatomy 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 241000238631 Hexapoda Species 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229920005862 polyol Polymers 0.000 description 5
- 150000003077 polyols Chemical class 0.000 description 5
- 244000291564 Allium cepa Species 0.000 description 4
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- 239000002253 acid Substances 0.000 description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
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- 102000004190 Enzymes Human genes 0.000 description 3
- 240000003152 Rhus chinensis Species 0.000 description 3
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- 150000001491 aromatic compounds Chemical class 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 229940088598 enzyme Drugs 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000028327 secretion Effects 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- 241000555825 Clupeidae Species 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- 241000258937 Hemiptera Species 0.000 description 2
- 241000485664 Protortonia cacti Species 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002781 deodorant agent Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229930003935 flavonoid Natural products 0.000 description 2
- 150000002215 flavonoids Chemical class 0.000 description 2
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- 238000009998 heat setting Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000007794 irritation 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
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 238000012643 polycondensation polymerization Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 235000019512 sardine Nutrition 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
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- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- QBYIENPQHBMVBV-HFEGYEGKSA-N (2R)-2-hydroxy-2-phenylacetic acid Chemical compound O[C@@H](C(O)=O)c1ccccc1.O[C@@H](C(O)=O)c1ccccc1 QBYIENPQHBMVBV-HFEGYEGKSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 1
- ZRPKEUVFESZUKX-UHFFFAOYSA-N 2-(2-hydroxyethoxy)benzoic acid Chemical compound OCCOC1=CC=CC=C1C(O)=O ZRPKEUVFESZUKX-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- CARJPEPCULYFFP-UHFFFAOYSA-N 5-Sulfo-1,3-benzenedicarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(S(O)(=O)=O)=C1 CARJPEPCULYFFP-UHFFFAOYSA-N 0.000 description 1
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 239000004475 Arginine Substances 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 240000006432 Carica papaya Species 0.000 description 1
- 235000009467 Carica papaya Nutrition 0.000 description 1
- 108010059892 Cellulase Proteins 0.000 description 1
- 241000723438 Cercidiphyllum japonicum Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
- 244000124209 Crocus sativus Species 0.000 description 1
- 235000015655 Crocus sativus Nutrition 0.000 description 1
- 244000000626 Daucus carota Species 0.000 description 1
- 235000002767 Daucus carota Nutrition 0.000 description 1
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- 240000007829 Haematoxylum campechianum Species 0.000 description 1
- 244000001369 Juglans ailantifolia Species 0.000 description 1
- 235000014046 Juglans ailantifolia Nutrition 0.000 description 1
- ODKSFYDXXFIFQN-BYPYZUCNSA-P L-argininium(2+) Chemical compound NC(=[NH2+])NCCC[C@H]([NH3+])C(O)=O ODKSFYDXXFIFQN-BYPYZUCNSA-P 0.000 description 1
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 description 1
- 235000002997 Lavandula Nutrition 0.000 description 1
- 241001529749 Lavandula Species 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 244000132436 Myrica rubra Species 0.000 description 1
- 235000014631 Myrica rubra Nutrition 0.000 description 1
- 240000007695 Nandina domestica Species 0.000 description 1
- 241000237502 Ostreidae Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 108010059820 Polygalacturonase Proteins 0.000 description 1
- 244000294611 Punica granatum Species 0.000 description 1
- 235000014360 Punica granatum Nutrition 0.000 description 1
- IWYDHOAUDWTVEP-UHFFFAOYSA-N R-2-phenyl-2-hydroxyacetic acid Natural products OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 description 1
- 235000004789 Rosa xanthina Nutrition 0.000 description 1
- 241000109329 Rosa xanthina Species 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 244000046101 Sophora japonica Species 0.000 description 1
- 235000010586 Sophora japonica Nutrition 0.000 description 1
- 241000592344 Spermatophyta Species 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 235000006468 Thea sinensis Nutrition 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 241000219094 Vitaceae Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- LVZHUVWBADNYKO-UHFFFAOYSA-N [4-(dihydroxymethyl)cyclohexyl]methanediol Chemical compound OC(O)C1CCC(C(O)O)CC1 LVZHUVWBADNYKO-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229940009827 aluminum acetate Drugs 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229930015036 aurone Natural products 0.000 description 1
- 150000001530 aurones Chemical class 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 235000012730 carminic acid Nutrition 0.000 description 1
- 239000004106 carminic acid Substances 0.000 description 1
- 235000021466 carotenoid Nutrition 0.000 description 1
- 150000001747 carotenoids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229940106157 cellulase Drugs 0.000 description 1
- 229940080423 cochineal Drugs 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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- 238000006460 hydrolysis reaction Methods 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 229960002510 mandelic acid Drugs 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000083 poly(allylamine) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
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- 230000002040 relaxant effect Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- WBHHMMIMDMUBKC-QJWNTBNXSA-N ricinoleic acid Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC(O)=O WBHHMMIMDMUBKC-QJWNTBNXSA-N 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
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- JXOHGGNKMLTUBP-HSUXUTPPSA-N shikimic acid Chemical compound O[C@@H]1CC(C(O)=O)=C[C@@H](O)[C@H]1O JXOHGGNKMLTUBP-HSUXUTPPSA-N 0.000 description 1
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Landscapes
- Coloring (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
本開示は、ポリエステル繊維布帛及びポリエステル繊維製品に関する。 The present disclosure relates to polyester textile fabrics and polyester textile products.
ポリエステル繊維は、天然繊維及び再生繊維に比較して、強度が高く、疎水性、耐水性が高い。このため、ポリエステル繊維を用いた繊維製品は、シワ、型崩れ等に強く、耐洗濯性が良好であり、洗濯後の乾きが早いなど、取り扱いが容易であり、衣料用途に広く使用されている。 Polyester fibers have higher strength, hydrophobicity, and water resistance than natural fibers and regenerated fibers. For this reason, textile products using polyester fibers are resistant to wrinkles, shape loss, etc., have good washing resistance, and dry quickly after washing, and are easy to handle, and are widely used for clothing applications. ..
従来、特に春夏物衣料用途の繊維布帛として、汗などの水分の吸水速乾性及び紫外線に対するケアを有する布帛が求められている。一般に、衣料は肌に接触して着用されることが多い。運動あるいは環境雰囲気により発汗を伴う場合は、衣料が汗を吸収し、且つ、汗の水分を速やかに外気中に放出し、乾燥性に優れる機能を有していれば、衣服内環境を適切に保つことができ、着用快適性に優れる。また、布帛の紫外線反射率を抑制することができれば、紫外線に起因する目への刺激、肌への刺激等の軽減も期待できる。 Conventionally, as a fiber cloth for spring and summer clothing, there has been a demand for a cloth that absorbs moisture such as sweat, dries quickly, and has care against ultraviolet rays. In general, clothing is often worn in contact with the skin. When sweating is accompanied by exercise or environmental atmosphere, if the clothing absorbs sweat, quickly releases the moisture of the sweat into the outside air, and has a function of excellent drying property, the environment inside the clothing is appropriate. It can be kept and is comfortable to wear. Further, if the ultraviolet reflectance of the fabric can be suppressed, it can be expected that the irritation to the eyes and the irritation to the skin caused by the ultraviolet rays can be reduced.
ポリエステル繊維は前述の如く疎水性が高く、且つ、速乾性に優れる性質を有するが、疎水性であるため、汗などの水分の吸収能はほぼ有しておらず、発汗がそのまま衣服内にとどまり続け不快感の原因となるという問題があった。
そこで、表裏の組織を異ならせ、毛細管現象を利用することによって肌面に接触した水分を外気面に素早く移動させる緯二重組織織物が提案され、ポリエステル繊維も使用可能であることが開示されている（特許文献１参照）。また、裏面層が撥水加工した糸から構成され、表面層が吸水加工した糸から構成される多層構造編地が開示されている（特許文献２参照）。
As mentioned above, polyester fiber has high hydrophobicity and excellent quick-drying property, but because it is hydrophobic, it has almost no ability to absorb moisture such as sweat, and sweating stays in clothes as it is. There was a problem that it continued to cause discomfort.
Therefore, a weft double-structured woven fabric has been proposed in which the front and back tissues are made different and the moisture in contact with the skin surface is quickly moved to the outside air surface by utilizing the capillary phenomenon, and it is disclosed that polyester fibers can also be used. (See Patent Document 1). Further, a multi-layered knitted fabric in which the back surface layer is composed of water-repellent yarn and the front surface layer is composed of water-absorbent yarn is disclosed (see Patent Document 2).
近年、消費者の自然志向の高まりとともに、生体及び環境への負荷の低減、自然な色合いを付与できる等の利点があることから、天然物由来の染料にて染色した布帛を要望されることが多くなってきている。
しかし、ポリエステル繊維布帛は、天然染料を高濃度に用いて染色処理した場合においても、ほとんど着色することができない。
そこで、５−スルホイソフタル酸塩共重合ポリエステル系繊維を、塩基性酢酸アルミニウム等の水溶液で処理して天然染料によるポリエステル系繊維を染色する方法が提案されている（特許文献３参照）。
In recent years, there has been a demand for fabrics dyed with dyes derived from natural products because there are advantages such as reduction of the load on the living body and the environment and the ability to impart a natural color tone as consumers become more nature-oriented. It is increasing.
However, polyester fiber fabrics can hardly be colored even when dyed with a high concentration of natural dyes.
Therefore, a method has been proposed in which 5-sulfoisophthalate copolymerized polyester fibers are treated with an aqueous solution of basic aluminum acetate or the like to dye the polyester fibers with a natural dye (see Patent Document 3).
しかしながら、特許文献１及び特許文献２に記載の技術では、特殊な糸を用いる、特殊な組織の多層構造の編地を編成することなどが必要であり、複雑な製造工程、特殊な製造装置等に起因して製造コストが高いなどの問題があった。
また、特許文献３に記載の方法では、原料ポリエステル繊維として特殊な共重合組成を有する樹脂からなる繊維を必要としていた。
このため、一般的なテレフタル酸とエチレングリコールから得られるレギュラーポリエステル繊維等に対しても、天然染料による染色を可能とし、且つ、平織、天竺編み等の多重構造の組織を有しない一般的なポリエステル繊維布帛であっても、吸水速乾性を有し、且つ、自然な色合いの繊維布帛に加工できる技術の開発が望まれていた。
However, in the techniques described in Patent Document 1 and Patent Document 2, it is necessary to knit a multi-layered knitted fabric having a special structure using a special yarn, and a complicated manufacturing process, a special manufacturing apparatus, etc. There was a problem that the manufacturing cost was high due to the above.
Further, the method described in Patent Document 3 requires a fiber made of a resin having a special copolymerization composition as a raw material polyester fiber.
For this reason, even regular polyester fibers obtained from general terephthalic acid and ethylene glycol can be dyed with natural dyes, and general polyesters that do not have a multi-structured structure such as plain weave and plain weave. It has been desired to develop a technique capable of processing a fiber cloth into a fiber cloth having a water absorption and quick-drying property and a natural color.
本発明の一実施形態の課題は、ポリエステル繊維本来の速乾性を維持しながら、吸水性に優れ、かつ、紫外線の反射を低減することができるポリエステル繊維布帛を提供することである。
本発明の別の実施形態の課題は、ポリエステル繊維本来の速乾性を維持しながら、吸水性に優れ、かつ、紫外線の反射を低減することができるポリエステル繊維布帛を含むポリエステル繊維製品を提供することである。
An object of the embodiment of the present invention is to provide a polyester fiber fabric which is excellent in water absorption and can reduce the reflection of ultraviolet rays while maintaining the original quick-drying property of the polyester fiber.
An object of another embodiment of the present invention is to provide a polyester fiber product containing a polyester fiber cloth which is excellent in water absorption and can reduce the reflection of ultraviolet rays while maintaining the original quick-drying property of the polyester fiber. Is.
上記課題の解決手段は、以下の実施形態を含む。
（１） 分散染料および生物由来天然染料が吸着したポリエステル繊維を含むポリエステル繊維布帛であり、前記生物由来天然染料は、平均粒子径０．０１μｍ〜３０μｍの生物由来粒子を含む、ポリエステル繊維布帛。
The means for solving the above problems include the following embodiments.
(1) A polyester fiber fabric containing polyester fibers on which a disperse dye and a biological natural dye are adsorbed, wherein the biological natural dye contains biological particles having an average particle diameter of 0.01 μm to 30 μm.
（２） 前記ポリエステル繊維布帛は、前記生物由来天然染料を吸着していないポリエステル繊維布帛に対し、ＪＩＳ Ｌ１９０７（２０１０年）に規定されるバイレック法にて測定した水上昇高さが１．１倍以上であり、且つ、前記生物由来天然染料を吸着していないポリエステル繊維布帛に対し、３２０ｎｍ〜４００ｎｍの紫外線反射率がより低い、（１）に記載のポリエステル繊維布帛。 (2) The water rise height of the polyester fiber cloth measured by the Bilek method specified in JIS L1907 (2010) is 1.1 times that of the polyester fiber cloth that does not adsorb the biological natural dye. The polyester fiber cloth according to (1), which is as described above and has a lower ultraviolet reflectance at 320 nm to 400 nm than the polyester fiber cloth that does not adsorb the biological natural dye.
（３） 前記ポリエステル繊維布帛は、生物由来天然染料を吸着していないポリエステル繊維布帛に対し、吸水速乾性試験における３０分後の残留水分率が５質量％以上低い、（１）又は（２）に記載のポリエステル繊維布帛。 (3) The polyester fiber fabric has a residual moisture content of 5% by mass or more after 30 minutes in the water absorption and quick-drying test, which is lower than that of the polyester fiber fabric that does not adsorb biological natural dyes, (1) or (2). The polyester fiber fabric according to.
（４） 前記生物由来粒子が、植物粒子である、（１）〜（３）のいずれか１つに記載のポリエステル繊維布帛。 (4) The polyester fiber cloth according to any one of (1) to (3), wherein the biological particles are plant particles.
（５） カチオン性化合物、アンモニウム塩化合物、及びアルカリ金属塩からなる群より選択される少なくとも１種の天然染料吸着助剤を吸着してなる、（１）〜（４）のいずれか１つに記載のポリエステル繊維布帛。 (5) One of (1) to (4), which is formed by adsorbing at least one natural dye adsorbing aid selected from the group consisting of a cationic compound, an ammonium salt compound, and an alkali metal salt. The polyester fiber fabric described.
（６） （１）〜（５）のいずれか１つに記載のポリエステル繊維布帛を含む、ポリエステル繊維製品。 (6) A polyester fiber product containing the polyester fiber fabric according to any one of (1) to (5).
本発明の一実施形態によれば、ポリエステル繊維本来の速乾性を維持しながら、吸水性に優れ、かつ、紫外線の反射を低減することができるポリエステル繊維布帛を提供することができる。
本発明の別の実施形態によれば、ポリエステル繊維本来の速乾性を維持しながら、吸水性に優れ、かつ、紫外線の反射を低減することができるポリエステル繊維布帛を含むポリエステル繊維製品を提供することができる。
According to one embodiment of the present invention, it is possible to provide a polyester fiber fabric which is excellent in water absorption and can reduce the reflection of ultraviolet rays while maintaining the original quick-drying property of the polyester fiber.
According to another embodiment of the present invention, there is provided a polyester fiber product containing a polyester fiber fabric which is excellent in water absorption and can reduce the reflection of ultraviolet rays while maintaining the original quick-drying property of the polyester fiber. Can be done.
本開示において「〜」を用いて記載した数値範囲は、「〜」の前後の数値を下限値及び上限値として含む数値範囲を表す。
本開示において「工程」との語は、独立した工程だけでなく、他の工程と明確に区別できない場合であっても工程の所期の目的が達成されれば、本用語に含まれる。
本開示中に段階的に記載されている数値範囲において、ある数値範囲で記載された上限値又は下限値は、他の段階的な記載の数値範囲の上限値又は下限値に置き換えてもよい。また、本開示中に記載されている数値範囲において、ある数値範囲で記載された上限値又は下限値は、実施例に示されている値に置き換えてもよい。
また、本開示において、２以上の好ましい態様の組み合わせは、より好ましい態様である。
The numerical range described by using "~" in the present disclosure represents a numerical range including the numerical values before and after "~" as the lower limit value and the upper limit value.
In the present disclosure, the term "process" is included in this term as long as the intended purpose of the process is achieved, not only in an independent process but also in cases where it cannot be clearly distinguished from other processes.
In the numerical range described stepwise in the present disclosure, the upper limit value or the lower limit value described in a certain numerical range may be replaced with the upper limit value or the lower limit value of another numerical range described stepwise. Further, in the numerical range described in the present disclosure, the upper limit value or the lower limit value described in a certain numerical range may be replaced with the value shown in the examples.
Further, in the present disclosure, a combination of two or more preferred embodiments is a more preferred embodiment.
以下、本開示のポリエステル繊維布帛及びポリエステル繊維製品を詳細に説明する。
＜ポリエステル繊維布帛＞
本開示のポリエステル繊維布帛は、分散染料および生物由来天然染料が吸着したポリエステル繊維を含むポリエステル布帛であり、前記生物由来天然染料は、平均粒子径０．０１μｍ〜３０μｍの生物由来粒子を含む、ポリエステル繊維布帛である。
ポリエステル繊維布帛は、生物由来天然染料を吸着していないポリエステル繊維布帛に対し、ＪＩＳ Ｌ１９０７（２０１０年）に規定されるバイレック法にて測定した水上昇高さが１．１倍以上であり、且つ、生物由来天然染料を吸着していないポリエステル繊維布帛に対し、３２０ｎｍ〜４００ｎｍの紫外線反射率がより低いポリエステル繊維布帛であることが好ましい。
Hereinafter, the polyester fiber fabric and the polyester fiber product of the present disclosure will be described in detail.
<Polyester fiber fabric>
The polyester fiber cloth of the present disclosure is a polyester cloth containing polyester fibers on which a disperse dye and a biological natural dye are adsorbed, and the biological natural dye is a polyester containing biological particles having an average particle diameter of 0.01 μm to 30 μm. It is a fiber cloth.
The polyester fiber cloth has a water rise height of 1.1 times or more measured by the Bilek method specified in JIS L1907 (2010) and is 1.1 times or more that of the polyester fiber cloth that does not adsorb biological natural dyes. , It is preferable that the polyester fiber cloth has a lower ultraviolet reflectance at 320 nm to 400 nm than the polyester fiber cloth that does not adsorb the biological natural dye.
（ポリエステル繊維）
本開示のポリエステル繊維布帛に適用されるポリエステル繊維は、２価以上のカルボン酸と２価以上のポリオールを縮合重合させて得られた重縮合体又は、同一分子内にヒドロキシル基とカルボキシル基をそれぞれ１つ以上有する化合物（ヒドロキシカルボン酸）を縮合重合させて得られた重縮合体であれば特に限定されない。
２価以上のカルボン酸としては、芳香族化合物、脂肪族化合物、及び脂環式化合物から選ばれる多価カルボン酸が挙げられ、より具体的には、テレフタル酸、イソフタル酸、ナフタレンジカルボン酸、ジフェニルジカルボン酸、ジフェノキシエタンジカルボン酸、β−ヒドロキシエトキシ安息香酸、５−ナトリウムスルホイソフタル酸、コハク酸、アジピン酸、セバシン酸、１，４−シクロヘキサンジカルボン酸などが挙げられる。
ポリエステル繊維の製造に用いられる２価以上のカルボン酸は、１種のみであってもよく、複数種を併用してもよい。
(Polyester fiber)
The polyester fiber applied to the polyester fiber fabric of the present disclosure is a polycondensation product obtained by condensation polymerization of a divalent or higher carboxylic acid and a divalent or higher polyol, or a hydroxyl group and a carboxyl group in the same molecule, respectively. It is not particularly limited as long as it is a polycondensate obtained by condensation polymerization of one or more compounds (hydroxycarboxylic acids).
Examples of the divalent or higher carboxylic acid include polyvalent carboxylic acids selected from aromatic compounds, aliphatic compounds, and alicyclic compounds, and more specifically, terephthalic acid, isophthalic acid, naphthalenedicarboxylic acid, and diphenyl. Examples thereof include dicarboxylic acid, diphenoxyetanedicarboxylic acid, β-hydroxyethoxybenzoic acid, 5-sodium sulfoisophthalic acid, succinic acid, adipic acid, sebacic acid and 1,4-cyclohexanedicarboxylic acid.
The divalent or higher carboxylic acid used in the production of the polyester fiber may be only one type, or a plurality of types may be used in combination.
２価以上のポリオールとしては、脂肪族化合物、脂環式化合物、及び芳香族化合物から選ばれるポリオールが挙げられ、より具体的には、エチレングリコール、１，３−プロパンジオール、１，４−ブタンジオール、ネオペンチルグリコール、シクロヘキサン−１，４−ジメタンジオール、ビスフェノールＡ、ビスフェノールＳなどが挙げられる。
ポリエステル繊維の製造に用いられる２価以上のポリオールは、１種のみであってもよく、複数種を併用してもよい。
Examples of the divalent or higher polyol include polyols selected from aliphatic compounds, alicyclic compounds, and aromatic compounds, and more specifically, ethylene glycol, 1,3-propanediol, and 1,4-butane. Examples thereof include diol, neopentyl glycol, cyclohexane-1,4-dimethanediol, bisphenol A, and bisphenol S.
The divalent or higher valent polyol used for producing the polyester fiber may be only one kind, or a plurality of kinds may be used in combination.
ヒドロキシカルボン酸としては、脂肪族化合物、脂環式化合物、及び芳香族化合物から選ばれるヒドロキシカルボン酸が挙げられ、より具体的には、グリコール酸、乳酸、リシノール酸、シキミ酸、マンデル酸、フロレト酸などが挙げられる。
ポリエステルの製造に用いられるヒドロキシカルボン酸は、１種のみであってもよく、複数種を併用してもよい。また、ヒドロキシカルボン酸は、前記２価以上のカルボン酸と２価以上のポリオールと、を併用して用いてもよい。
Examples of the hydroxycarboxylic acid include hydroxycarboxylic acids selected from aliphatic compounds, alicyclic compounds, and aromatic compounds, and more specifically, glycolic acid, lactic acid, ricinolic acid, shikimic acid, mandelic acid, and floreto. Acids and the like can be mentioned.
The hydroxycarboxylic acid used in the production of polyester may be only one type, or a plurality of types may be used in combination. Further, as the hydroxycarboxylic acid, the divalent or higher carboxylic acid and the divalent or higher polyol may be used in combination.
本開示のポリエステル繊維布帛を構成するポリエステル繊維は、長繊維であってもよく、短繊維であってもよい。
ポリエステル繊維の断面形状は、特に限定されるものではない。繊維の断面形状としては、丸型、三角、星形、扁平、Ｃ型、中空、井形、ドックボーンなどが挙げられる。繊維の断面形状は、ポリエステル繊維布帛の使用目的に応じて適宜選択することができる。
The polyester fibers constituting the polyester fiber fabric of the present disclosure may be long fibers or short fibers.
The cross-sectional shape of the polyester fiber is not particularly limited. Examples of the cross-sectional shape of the fiber include a round shape, a triangular shape, a star shape, a flat shape, a C shape, a hollow shape, a well shape, and a dock bone. The cross-sectional shape of the fiber can be appropriately selected depending on the intended use of the polyester fiber fabric.
また、ポリエステル繊維を用いて作製される糸は、生糸、撚糸、および加工糸のいずれであってもよい。加工糸も、特に限定されるものではなく、仮撚加工糸（改良仮撚加工糸を含む）、押込加工糸、賦型加工糸、擦過加工糸、タスラン加工糸、糸長差引きそろえ加工糸、複合加工糸、毛羽加工糸、交絡集束糸、交絡混繊糸などを用いることができる。
なお、仮撚加工糸は、ポリエステルの長繊維に撚りを掛け、熱セットしてよりを戻す加工をした糸であり、捲縮して嵩高くなる。別名をＤｒａｗ Ｔｅｘｔｕｒｅｄ Ｙａｒｎ（ＤＴＹ）とも言い、得られた糸は捲縮によりウールの如き感触を有することから、ウーリー加工糸とも称される。
Further, the yarn produced using the polyester fiber may be any of raw silk, twisted yarn, and processed yarn. The processed yarn is not particularly limited, and is not particularly limited. False twisted yarn (including improved false twisted yarn), pressed yarn, shaped yarn, scratched yarn, Taslan yarn, yarn length difference drawing yarn. , Composite processed yarn, fluff processed yarn, entangled confounding yarn, entangled mixed yarn and the like can be used.
The false twisted yarn is a yarn obtained by twisting long polyester fibers, heat-setting them, and returning them to a twist, and the yarns are crimped and become bulky. Another name is Drow Extended Yarn (DTY), and the obtained yarn has a wool-like feel due to crimping, so it is also called a woolly processed yarn.
本開示のポリエステル繊維布帛の構成にも特に制限はなく、布帛を形成できれば、織物、編物、不織布といった、いかなる形態であってもよい。
ポリエステル繊維布帛の構成としては、例えば、平織、綾織、朱子織などの組織の織物、経編、緯編（横編または丸編）などの組織の編物、不織布等が挙げられる。
The composition of the polyester fiber fabric of the present disclosure is not particularly limited, and may be in any form such as a woven fabric, a knitted fabric, or a non-woven fabric as long as the fabric can be formed.
Examples of the composition of the polyester fiber fabric include woven fabrics having a structure such as plain weave, twill weave, and satin weave, knitted fabrics having a structure such as warp knitting and weft knitting (horizontal knitting or circular knitting), and non-woven fabric.
本開示のポリエステル繊維布帛は、分散染料と、平均粒子径０．０１μｍ〜３０μｍの生物由来粒子を含む生物由来天然染料（以下、特定天然染料と称することがある）が吸着されている。分散染料と特定天然染料を併用することにより、良好な色彩表現、高い染色堅牢性、吸水性の付与、紫外線反射の抑制という機能の全てを高い水準で満たすことができる。 In the polyester fiber cloth of the present disclosure, a disperse dye and a biological natural dye containing biological particles having an average particle diameter of 0.01 μm to 30 μm (hereinafter, may be referred to as a specific natural dye) are adsorbed. By using the disperse dye and the specific natural dye in combination, all of the functions of good color expression, high dyeing fastness, imparting water absorption, and suppressing ultraviolet reflection can be satisfied at a high level.
本開示のポリエステル繊維布帛は、分散染料と特定天然染料とが吸着してなるポリエステル繊維以外の繊維（他の繊維）を含んでいてもよい。他の繊維としては、分散染料と特定天然染料とが吸着していないポリエステル繊維、ポリエステル繊維以外の合成繊維、例えば、アクリル繊維、ポリアミド繊維などが挙げられる。効果の観点からは、ポリエステル繊維布帛に含まれる他の繊維は、ポリエステル繊維布帛に含まれる繊維の全量に対して２５質量％以下であることが好ましい。 The polyester fiber cloth of the present disclosure may contain fibers (other fibers) other than the polyester fiber formed by adsorbing the disperse dye and the specific natural dye. Examples of other fibers include polyester fibers in which a disperse dye and a specific natural dye are not adsorbed, synthetic fibers other than polyester fibers, for example, acrylic fibers and polyamide fibers. From the viewpoint of the effect, the other fibers contained in the polyester fiber fabric are preferably 25% by mass or less based on the total amount of the fibers contained in the polyester fiber fabric.
（分散染料）
本開示のポリエステル繊維布帛に用いられる分散染料には特に限定はない。分散染料としては、繊維の染色に一般に使用される分散染料であれば、制限なく使用することができる。分散染料としては、モノアゾ型、ジスアゾ型などのアゾ系分散染料、ベンゾジフラノン系分散染料、フタルイミド系分散染料、キノン系分散染料などが挙げられる。
(Disperse dye)
The disperse dye used in the polyester fiber fabric of the present disclosure is not particularly limited. As the disperse dye, any disperse dye generally used for dyeing fibers can be used without limitation. Examples of the disperse dye include azo-based disperse dyes such as monoazo-type and disazo-type, benzodifuranone-based disperse dyes, phthalimide-based disperse dyes, and quinone-based disperse dyes.
本開示のポリエステル繊維布帛に吸着する分散染料は、１種のみであってもよく、２種以上であってもよい。
分散染料のポリエステル繊維に対する吸着量は、所望の色相を達成する範囲にて適宜選択すればよい。
分散染料のポリエステル繊維に対する吸着は、分散染料をｐＨが酸性領域の水系溶剤に溶解又は分散させ調製した分散染料液にポリエステル繊維を浸漬する、ポリエステル繊維に分散染料液を噴霧すること等によりで行うことができる。
吸着量は、分散染料液に含まれる分散染料の含有量、分散染料液のｐＨ、繊維の浸漬時間、噴霧量などにより制御することができる。
The disperse dye adsorbed on the polyester fiber fabric of the present disclosure may be only one kind or two or more kinds.
The amount of the disperse dye adsorbed on the polyester fiber may be appropriately selected within a range in which a desired hue is achieved.
Adsorption of the disperse dye to the polyester fiber is performed by immersing the polyester fiber in a disperse dye solution prepared by dissolving or dispersing the disperse dye in an aqueous solvent having an acidic pH, or spraying the disperse dye solution on the polyester fiber. be able to.
The adsorption amount can be controlled by the content of the disperse dye contained in the disperse dye solution, the pH of the disperse dye solution, the immersion time of the fibers, the spray amount, and the like.
（特定天然染料）
本開示のポリエステル繊維布帛に使用される生物由来天然染料（特定天然染料）は、平均粒子径０．０１μｍ〜３０μｍの生物由来粒子を含む。
生物由来天然染料としては、平均粒子径０．０１μｍ〜３０μｍの生物由来粒子を含むこと以外は、特に限定されない。
本開示のポリエステル繊維布帛に吸着する生物由来粒子の平均粒子径は０．０１μｍ〜３０μｍであり、好ましくは０．１μｍ〜１５μｍである。
微細化した生物由来粒子の平均粒子径を０．０１μｍ以上とすることで、製造コストが適正な範囲に維持され、粒子をより微細化した場合に懸念される粒子同士の凝集が抑制され、微細化した粒子の効果が十分に得られる。また、生物由来粒子の平均粒子径を３０μｍ以下とすることで、特定天然染料の吸着堅牢性、水分の吸収性、及び紫外線反射率の低下抑制効果が十分に発現される。
(Specific natural dye)
The biological natural dye (specific natural dye) used in the polyester fiber fabric of the present disclosure includes biological particles having an average particle diameter of 0.01 μm to 30 μm.
The biological natural dye is not particularly limited except that it contains biological particles having an average particle diameter of 0.01 μm to 30 μm.
The average particle size of the biological particles adsorbed on the polyester fiber fabric of the present disclosure is 0.01 μm to 30 μm, preferably 0.1 μm to 15 μm.
By setting the average particle size of the finely divided biological particles to 0.01 μm or more, the manufacturing cost is maintained within an appropriate range, the agglomeration of the particles, which is a concern when the particles are further refined, is suppressed, and the particles are fine. The effect of the converted particles can be sufficiently obtained. Further, by setting the average particle size of the biological particles to 30 μm or less, the adsorption fastness of the specific natural dye, the water absorption, and the effect of suppressing the decrease in the ultraviolet reflectance are sufficiently exhibited.
生物由来天然染料としては、植物の葉、茎、樹皮、根、花、実などを粉体化した色素、植物の粉末化物から抽出した液状物、植物の粉末化物の分散液などの植物由来天然染料、昆虫及びその分泌物から得られる昆虫由来天然染料等が挙げられる。 Natural dyes derived from plants include pigments obtained by powdering plant leaves, stems, bark, roots, flowers, fruits, etc., liquids extracted from plant powders, and plant powder dispersions. Examples include dyes, insect-derived natural dyes obtained from insects and their secretions, and the like.
特定天然染料に含まれる平均粒子径０．０１μｍ〜３０μｍの生物由来粒子を得る方法の例としては、植物由来天然染料の場合の例は、染料として用いる植物を、水分率が４％以内となるように乾燥させ、得られた植物の乾燥物を粉砕して得る方法、植物を分解しうる酵素、例えば、セルラーゼ、ペクチナーゼ、パンチターゼ、パパイヤ酵素等を使用して、染料として用いる植物を分解して植物粒子を含む分散液を得る方法、染料として用いる植物をアルカリ又は酸で処理して微粉末化し、洗浄してアルカリ又は酸を除去して植物粒子を得て、得られた植物粒子を水などの水性溶媒に分散させて得る方法、植物の粉末化物から抽出した液状物に植物粒子を含有させる方法等が挙げられる。
昆虫由来天然染料の場合の例としては、ラックカイガラムシの樹脂状の分泌物であるラックからシェラックと呼ばれる樹脂を分離し、精製して生物由来粒子を含む染料を得る方法、コチニールカイガラムシから温水などで抽出した色素をアルミニウム塩で不溶化して赤色顔料を得る方法などが挙げられる。
As an example of a method for obtaining biological particles having an average particle diameter of 0.01 μm to 30 μm contained in a specific natural dye, in the case of a plant-derived natural dye, a plant used as a dye has a water content of 4% or less. The plant to be used as a dye is decomposed by using a method obtained by crushing the dried product of the obtained plant, an enzyme capable of decomposing the plant, for example, cellulase, pectinase, punchase, papaya enzyme and the like. A method for obtaining a dispersion containing plant particles, a plant used as a dye is treated with an alkali or an acid to be finely powdered, and washed to remove the alkali or acid to obtain the plant particles, and the obtained plant particles are treated with water or the like. Examples thereof include a method obtained by dispersing in an aqueous solvent of the above, a method of adding plant particles to a liquid material extracted from a powdered plant, and the like.
Examples of natural insect-derived dyes include a method of separating a resin called shellac from rack, which is a resinous secretion of scale insects, and purifying it to obtain a dye containing biological particles, or using warm water from cochineal scale insects. Examples thereof include a method of insolubilizing the extracted dye with an aluminum salt to obtain a red pigment.
平均粒子径０．０１μｍ〜３０μｍの生物由来粒子は、生物由来天然染料に別途添加して特定天然染料としてもよく、生物由来天然染料を調製する際に、平均粒子径０．０１μｍ〜３０μｍの生物由来粒子が生成される条件を考慮して調製された、平均粒子径０．０１μｍ〜３０μｍの生物由来粒子を含む特定天然染料を用いてもよい。
特定天然染料のなかでも、良好な吸水性を得やすいという観点から、平均粒子径０．０１μｍ〜３０μｍの植物由来粒子を含む植物由来天然染料が好ましい。
Biological particles having an average particle diameter of 0.01 μm to 30 μm may be added separately to the biological natural dye to be a specific natural dye, and when preparing the biological natural dye, the organism having an average particle diameter of 0.01 μm to 30 μm A specific natural dye containing biological particles having an average particle diameter of 0.01 μm to 30 μm, which is prepared in consideration of the conditions for producing the derived particles, may be used.
Among the specific natural dyes, plant-derived natural dyes containing plant-derived particles having an average particle size of 0.01 μm to 30 μm are preferable from the viewpoint of easily obtaining good water absorption.
植物由来天然染料としては、テルペノイドやカロテノイドといったイソプレノイド、またはフラボノイドやオーロンといったフラボノイド類およびその配糖体を含む染料が、ポリエステル繊維布帛に対する吸水性の向上効果、紫外線反射の抑制機能がより良好であるため好ましい。
具体的には、植物粒子の効果を十分に得られるという観点からは、植物粒子は、バラ、ラベンダー、レモン、オレンジ、ブドウ、ウコン、タマネギ、ニンジン、トマト、チャノキ、スオウ、カキ、クチナシ、エンジュ、ヤマモモ、ザクロ、ゴバイシ、ヌルデ、チョウジ、エビヅル、ヤエヤマヒルギ、オニグルミ、カシワ、カツラ、シャリンバイ、テイカカズラ、ナツメ、ナンテン、センダン、サフラン、キハダ、シブキ、及びログウッドなどからなる群より選択される少なくとも１種の植物粒子が好ましい。
また、昆虫由来天然染料としては、ラックカイガラムシの分泌物から得られるラックダイ、コチニールカイガラムシから得られるコチニールなどが挙げられる。
特定天然染料としては、上記植物群から得られる平均粒子径０．０１μｍ〜３０μｍの植物粒子の少なくとも１種を含む植物由来天然染料が好ましい。
「ゴバイシ（五倍子）」は、ウルシ科の植物であるヌルデの芽又は葉にアブラムシが自生して、植物上に生成した嚢状虫嬰を指し、本開示では、五倍子は植物由来天然染料に包含されるものとする。
As plant-derived natural dyes, isoprenoids such as terpenoids and carotenoids, flavonoids such as flavonoids and aurones, and dyes containing glycosides thereof are more effective in improving water absorption and suppressing ultraviolet reflection on polyester fiber fabrics. Therefore, it is preferable.
Specifically, from the viewpoint that the effects of plant particles can be fully obtained, plant particles are roses, lavenders, lemons, oranges, grapes, corn, onions, carrots, tomatoes, tea plants, sardines, oysters, sardines, and enju. , Yamamomo, pomegranate, gobaishi, rhus chinensis, chowji, shrimp, yaeyama hirugi, onigurumi, kashiwa, katsura, sharinbai, teika kazura, nuts, nanten, sendan, saffron, kihada, shibuki, and logwood. Seed plant particles are preferred.
Insect-derived natural dyes include lacdai obtained from the secretion of scale insects, cochineal obtained from cochineal scale insects, and the like.
As the specific natural dye, a plant-derived natural dye containing at least one kind of plant particles having an average particle diameter of 0.01 μm to 30 μm obtained from the above plant group is preferable.
"Gobaishi" refers to a sac-like insect that grows naturally on the buds or leaves of Rhus chinensis, a plant of the family Rhus chinensis, and is included in the plant-derived natural dyes in this disclosure. It shall be done.
本開示のポリエステル繊維布帛に平均粒子径０．０１μｍ〜３０μｍの生物由来粒子が吸着していることは、ポリエステル繊維布帛の表面を走査型電子顕微鏡で観察することで確認できる。即ち、分散染料と特定天然染料とが吸着したポリエステル繊維布帛の表面を撮影した電子顕微鏡写真により、繊維の表面に微細な生物由来粒子が吸着していることが確認できる。
本開示における植物粒子の平均粒子径は、写真の視野角中における生物由来粒子を無作為に１０個選択し、その円相当粒子径を測定して算術平均することで得た値を用いている。
It can be confirmed by observing the surface of the polyester fiber cloth with a scanning electron microscope that biological particles having an average particle diameter of 0.01 μm to 30 μm are adsorbed on the polyester fiber cloth of the present disclosure. That is, it can be confirmed from the electron micrograph of the surface of the polyester fiber cloth on which the disperse dye and the specific natural dye are adsorbed that fine biological particles are adsorbed on the surface of the fiber.
As the average particle size of the plant particles in the present disclosure, a value obtained by randomly selecting 10 biological particles in the viewing angle of the photograph, measuring the particle size equivalent to the circle, and arithmetically averaging the particles is used. ..
本開示のポリエステル繊維布帛に吸着する特定天然染料は、１種のみであってもよく、２種以上であってもよい。
特定天然染料のポリエステル繊維に対する吸着量は、所望の色相を達成する範囲にて適宜選択すればよい。
特定天然染料をポリエステル繊維に吸着させる方法としては、特定天然染料を溶剤に溶解又は分散させて調製した特定天然染料液にポリエステル繊維を浸漬する方法、ポリエステル繊維に分散染料液を噴霧する方法等が挙げられる。
特定天然染料液に含まれる特定天然染料の含有量は、固形分換算で１質量％〜４０質量％の範囲とすることができる。
本開示のポリエステル繊維布帛は、特定天然染料吸着していることで、特定天然染料が有する自然な色合いの布帛となり、衣料品、家庭品などの種々の繊維製品に自然な色合いを付与することができる。
The specific natural dye adsorbed on the polyester fiber fabric of the present disclosure may be only one kind or two or more kinds.
The amount of the specific natural dye adsorbed on the polyester fiber may be appropriately selected within a range in which a desired hue is achieved.
Examples of the method of adsorbing the specific natural dye on the polyester fiber include a method of immersing the polyester fiber in the specific natural dye solution prepared by dissolving or dispersing the specific natural dye in a solvent, a method of spraying the disperse dye solution on the polyester fiber, and the like. Can be mentioned.
The content of the specific natural dye contained in the specific natural dye solution can be in the range of 1% by mass to 40% by mass in terms of solid content.
By adsorbing the specific natural dye, the polyester fiber cloth of the present disclosure becomes a cloth having a natural color of the specific natural dye, and can impart a natural color to various textile products such as clothing and household goods. can.
ポリエステル繊維布帛に吸着する染料の比率は、繊維に吸着した染料固形分の質量比率で分散染料を３％〜７０％とし、特定天然染料を３０％〜９７％とすることが好ましい。分散染料の比率を３％以上とすることで、繊維布帛の染色堅牢性を高めることができ、分散染料の比率を７０％以下とすることで、優れた吸水性の付与、紫外線反射率の低減がより良好となり、自然な色合いを表現しやすくなる。比率は、分散染料が５％〜３０％であり、特定天然染料が７０％〜９５％であることがより好ましい。 The ratio of the dye adsorbed on the polyester fiber fabric is preferably 3% to 70% for the disperse dye and 30% to 97% for the specific natural dye in terms of the mass ratio of the dye solid content adsorbed on the fiber. By setting the ratio of the disperse dye to 3% or more, the dyeing fastness of the woven fabric can be improved, and by setting the ratio of the disperse dye to 70% or less, excellent water absorption is imparted and the ultraviolet reflectance is reduced. Becomes better and it becomes easier to express natural hues. The ratio is more preferably 5% to 30% for the disperse dye and 70% to 95% for the specific natural dye.
本開示のポリエステル繊維布帛の作用機構は明確ではないが、以下のように推測している。
本開示のポリエステル繊維布帛は、繊維に対する吸着性が良好な分散染料と、平均粒子径０．０１μｍ〜３０μｍという微細な生物由来粒子を含む特定天然染料と、が吸着しているため、特定天然染料が単独で吸着している場合に比較して吸着堅牢性が良好である。さらに、特定天然染料に含まれる、水分の吸収性が良好であり、表面積の大きな生物由来粒子に起因して、生物由来粒子の内部及び生物由来粒子間の微細な空隙により、汗などの水分が布帛に速やかに吸収され、拡散するものと考えられる。また、表面積の大きな生物由来粒子に起因して、布帛を構成する繊維における紫外線反射率がより低くなると考えられる。
このため、本開示のポリエステル繊維布帛は、ＪＩＳ Ｌ１９０７（２０１０年）に規定されるバイレック法にて測定した水上昇高さが、特定天然染料を吸着しない布帛に比較して１．１倍以上となり、紫外線反射率がより低くなることで目に優しい布帛となると推定している。
なお、上記は推定機構の一つであり、本開示を何ら限定するものではない。
The mechanism of action of the polyester fiber fabric of the present disclosure is not clear, but it is speculated as follows.
The polyester fiber fabric of the present disclosure is a specific natural dye because it adsorbs a disperse dye having good adsorptivity to fibers and a specific natural dye containing fine biological particles having an average particle diameter of 0.01 μm to 30 μm. The adsorption fastness is better than when the dye is adsorbed alone. Furthermore, due to the biological particles contained in the specific natural dye, which have good water absorption and a large surface area, the inside of the biological particles and the fine voids between the biological particles cause moisture such as sweat to be removed. It is considered that it is rapidly absorbed by the fabric and diffuses. In addition, it is considered that the ultraviolet reflectance in the fibers constituting the fabric is lower due to the biological particles having a large surface area.
Therefore, in the polyester fiber fabric of the present disclosure, the water rise height measured by the Bilek method specified in JIS L1907 (2010) is 1.1 times or more that of the fabric that does not adsorb the specific natural dye. It is estimated that the fabric will be easier on the eyes due to the lower reflectance of ultraviolet rays.
The above is one of the estimation mechanisms, and does not limit the present disclosure in any way.
本開示のポリエステル繊維布帛を構成するポリエステル繊維は、本開示の効果を損なわない範囲で、酸化チタンなどの艶消し剤、酸化防止剤、触媒、安定剤、着色防止剤、難燃剤、帯電防止剤、耐熱剤、抗菌剤、防汚剤、無機粒子、天然染料吸着助剤などの添加剤を含んでいてもよい。 The polyester fibers constituting the polyester fiber fabric of the present disclosure are matting agents such as titanium oxide, antioxidants, catalysts, stabilizers, anticoloring agents, flame retardants, and antistatic agents, as long as the effects of the present disclosure are not impaired. It may contain additives such as heat resistant agents, antibacterial agents, antifouling agents, inorganic particles, and natural dye adsorption aids.
なかでも、好ましい添加剤の一つとして天然染料吸着助剤が挙げられる。
本開示のポリエステル繊維布帛は、カチオン性化合物、アンモニウム塩化合物、及びアルカリ金属塩からなる群より選択される少なくとも１種の天然染料吸着助剤を吸着してなるポリエステル繊維布帛であることが好ましい。
ポリエステル繊維布帛に天然染料吸着助剤が吸着されていると、特定天然染料の繊維に対する吸着性、及び吸着強度が向上するため、ポリエステル繊維布帛の製造に使用する特定天然染料の染色加工時の濃度（使用量）を低減する、特定天然染料の堅牢性がより向上する、などの利点を有するため好ましい。
上記添加剤は、いずれも、あらかじめ布帛を構成するポリエステル樹脂に含まれていてもよく、糸、布帛、繊維製品となった後に付与してもよい。
Among them, a natural dye adsorption aid is mentioned as one of the preferable additives.
The polyester fiber cloth of the present disclosure is preferably a polyester fiber cloth obtained by adsorbing at least one natural dye adsorbing aid selected from the group consisting of a cationic compound, an ammonium salt compound, and an alkali metal salt.
When the natural dye adsorption aid is adsorbed on the polyester fiber fabric, the adsorptivity and adsorption strength of the specific natural dye to the fiber are improved. Therefore, the concentration of the specific natural dye used in the production of the polyester fiber fabric during the dyeing process. It is preferable because it has advantages such as reducing (amount used) and further improving the fastness of the specific natural dye.
All of the above additives may be contained in the polyester resin constituting the fabric in advance, or may be added after the yarn, the fabric, or the textile product is formed.
天然染料吸着助剤として好適に用いられる、カチオン性化合物、アンモニウム塩化合物、及びアルカリ金属塩として、より具体的には、ポリビニルアミン、ポリアリルアミンなどの塩基性アミン化合物、第四級アンモニウム塩、第三級アミン塩などのアンモニウム塩化合物、リシン、アルギニンなどの塩基性アミノ酸、イソシアヌル酸ナトリウム、トリフルオロ酢酸ナトリウム、ヨウ化リチウム、ヨウ化カリウムなどのアルカリ金属塩などが挙げられる。 Cationic compounds, ammonium salt compounds, and alkali metal salts preferably used as natural dye adsorption aids, more specifically, basic amine compounds such as polyvinylamine and polyallylamine, quaternary ammonium salts, and the like. Examples thereof include ammonium salt compounds such as tertiary amine salts, basic amino acids such as lysine and arginine, and alkali metal salts such as sodium isocyanurate, sodium trifluoroacetate, lithium iodide and potassium iodide.
ポリエステル繊維布帛の製造に際して、天然染料吸着助剤を用いることにより、天然染料吸着助剤が、ポリエステル繊維と特定天然染料との間及び分散染料と特定天然染料との間の少なくともいずれかに介在し、特定天然染料をポリエステル繊維により強固に吸着させる役割を果たすと考えられる。
天然染料吸着助剤をポリエステル繊維布帛に吸着させる方法一つの方法として、特定天然染料含有液に天然染料吸着助剤を含有させて、特定天然染料と同時にポリエステル繊維と接触させる方法を挙げることができる。
特定天然染料液における天然染料吸着助剤は、特定天然染料液に含まれる特定天然染料１００質量部に対して、３質量部〜５質量部の割合で含まれることが好ましい。
By using a natural dye adsorbing aid in the production of polyester fiber fabric, the natural dye adsorbing aid intervenes at least between the polyester fiber and the specific natural dye and between the disperse dye and the specific natural dye. , It is considered that it plays a role of strongly adsorbing a specific natural dye by polyester fiber.
One method of adsorbing the natural dye adsorbing aid on the polyester fiber fabric is to include the natural dye adsorbing aid in the specific natural dye-containing liquid and bring it into contact with the polyester fiber at the same time as the specific natural dye. ..
The natural dye adsorption aid in the specific natural dye solution is preferably contained in a ratio of 3 parts by mass to 5 parts by mass with respect to 100 parts by mass of the specific natural dye contained in the specific natural dye solution.
（ＪＩＳ Ｌ１９０７（２０１０年）に規定されるバイレック法にて測定した水上昇高さ）
本開示のポリエステル繊維布帛は、生物由来天然染料を吸着していないポリエステル繊維布帛に対し、ＪＩＳ Ｌ１９０７（２０１０年）に規定されるバイレック法にて測定した水上昇高さが１．１倍以上である。（以下、ＪＩＳ Ｌ１９０７の発行年を省略して記載することがある。）
本開示において、水上昇高さとは、ＪＩＳ Ｌ１９０７（２０１０年）：維製品の吸水性試験方法に規定される７．１．２ バイレック法にて測定した試験片への毛管現象等による水の上昇高さを意味する。試験片の固定法、試験片の水への浸漬深さ等は上記ＪＩＳの規定に従い、２０±２℃の水を用いて上昇高さを測定する。
なお、以下、精練されたポリエステル平織物に分散染料を吸着し、天然染料吸着助剤及び特定天然染料を吸着していない、所謂基準となるポリエステル繊維布帛を基準布帛と称することがある。
(Water rise height measured by the Bilek method specified in JIS L1907 (2010))
The polyester fiber fabric of the present disclosure has a water rise height of 1.1 times or more measured by the Bilek method specified in JIS L1907 (2010) compared to the polyester fiber fabric that does not adsorb biological natural dyes. be. (Hereinafter, the year of issue of JIS L1907 may be omitted.)
In the present disclosure, the water rise height is defined as JIS L1907 (2010): Water rise due to capillarity or the like on a test piece measured by the 7.12 Bilek method specified in the water absorption test method for textile products. Means height. For the fixing method of the test piece, the immersion depth of the test piece in water, etc., the rising height is measured using water at 20 ± 2 ° C. in accordance with the above JIS regulations.
Hereinafter, a so-called reference polyester fiber cloth in which a disperse dye is adsorbed on a refined polyester plain woven fabric and a natural dye adsorption aid and a specific natural dye are not adsorbed may be referred to as a reference cloth.
バイレック法による水上昇高さについて、特定天然染料を吸着した布帛と特定天然染料を吸着していない布帛とを相対比較する場合には、同一の組成及び編成の布帛を用いて比較を行う。
以下、具体的な測定方法として、後述の実施例１を例に挙げて説明する。
実施例１の工程１に記載の方法で精練されたポリエステル平織物に、実施例１の工程３に記載の方法で分散染料のみを吸着させたポリエステル繊維布帛を基準布帛として準備する。
さらに基準布帛を、後述の実施例１に記載する方法で、天然染料吸着助剤、分散染料及び特定天然染料を順次吸着加工したものを準備し、これを本開示のポリエステル繊維布帛の測定試料とする。
When the cloth having the specific natural dye adsorbed and the cloth not adsorbing the specific natural dye are relatively compared with respect to the height of water rise by the birec method, the cloth having the same composition and knitting is used for comparison.
Hereinafter, as a specific measurement method, Example 1 described later will be described as an example.
A polyester fiber cloth in which only the disperse dye is adsorbed by the method described in Step 3 of Example 1 is prepared as a reference cloth on the polyester plain woven fabric refined by the method described in Step 1 of Example 1.
Further, a reference cloth prepared by sequentially adsorbing a natural dye adsorbing aid, a disperse dye and a specific natural dye by the method described in Example 1 described later is prepared, and this is used as a measurement sample of the polyester fiber cloth of the present disclosure. do.
上記の方法にて準備した基準布帛と、本開示のポリエステル繊維布帛から、それぞれ、２００ｍｍ×２５ｍｍの試験片を切り取り、測定試料とする。
測定は、標準条件（２０℃×６５％ＲＨ）にて行い、布帛の経方向、及び緯方向にそれぞれ５点ずつ行い、基準布帛の水上昇高さに対する特定天然染料を吸着させた測定試料の水上昇高さを得て、両者を対比し、結果を算術平均して倍率を求める。
上記方法では、基準布帛と、特定天然染料を吸着した布帛とは、用いられる布帛、吸着している分散染料が同一であるために、布帛に用いられる糸の太さ、繊維の編成、分散染料の吸着量等の条件に関わらず、特定天然染料の吸着の有無によるバイレック法にて測定した水上昇高さを一対比較により正確に相対評価できる。
なお、他の組成及び編製のポリエステル布帛を、基準布帛として用いる場合も、上記と同様にして行うことができる。
A 200 mm × 25 mm test piece is cut out from the reference cloth prepared by the above method and the polyester fiber cloth of the present disclosure, respectively, and used as a measurement sample.
The measurement was performed under standard conditions (20 ° C. × 65% RH), 5 points each in the warp direction and the weft direction of the cloth, and the measurement sample in which the specific natural dye was adsorbed with respect to the water rise height of the reference cloth. Obtain the height of the water rise, compare the two, and calculate the arithmetic mean of the results to obtain the magnification.
In the above method, since the reference cloth and the cloth adsorbed with the specific natural dye have the same cloth and the adsorbed disperse dye, the thread thickness, fiber knitting, and disperse dye used for the cloth are the same. Regardless of the conditions such as the amount of adsorption of the specific natural dye, the height of water rise measured by the birec method depending on the presence or absence of adsorption of the specific natural dye can be accurately evaluated relative to each other by pair comparison.
When a polyester fabric having another composition and knitting is used as the reference fabric, the same procedure as described above can be used.
本開示のポリエステル繊維布帛は、特定天然染料が吸着していることにより、基準布帛に対しＪＩＳ Ｌ１９０７に規定されるバイレック法にて測定した水上昇高さが１．１倍以上であることが好ましい。水上昇高さが１．１倍以上であることにより、本開示のポリエステル繊維布帛は、汗等の水分が接触した場合、水分が速やかに拡散され、拡散されることで水分がより気化し易くなり、気化熱による生地冷却が起きる。このため、本開示のポリエステル繊維布帛によれば、広い範囲で放湿冷却が発生し、上昇した体温を顕著に冷却する機能が発現される。
特定天然染料が吸着した布帛のＪＩＳ Ｌ１９０７に規定されるバイレック法にて測定した水上昇高さが１．１倍以上であることが好ましく、１．１５倍以上であることがより好ましい。
The polyester fiber fabric of the present disclosure preferably has a water rise height of 1.1 times or more measured by the Bilek method specified in JIS L1907 with respect to the reference fabric due to the adsorption of the specific natural dye. .. When the water rise height is 1.1 times or more, the polyester fiber fabric of the present disclosure is rapidly diffused when it comes into contact with moisture such as sweat, and the moisture is more easily vaporized by the diffusion. As a result, the dough is cooled by the heat of vaporization. Therefore, according to the polyester fiber fabric of the present disclosure, moisture-releasing cooling occurs in a wide range, and a function of remarkably cooling the elevated body temperature is exhibited.
The height of water rise measured by the Bilek method specified in JIS L1907 of the fabric on which the specific natural dye is adsorbed is preferably 1.1 times or more, and more preferably 1.15 times or more.
（３０分後の残留水分率）
本開示のポリエステル繊維布帛は、天然染料吸着助剤及び生物由来天然染料を吸着していないポリエステル繊維製の基準布帛に対し、吸水速乾性試験における３０分後の残留水分率が５質量％以上低いことが好ましい。
本開示のポリエステル繊維布帛は、基準布帛に対して、吸水速乾性試験における３０分後の残留水分率が５％以上低いことが好ましく、１０％以上低いことがより好ましい。
吸水速乾性試験における３０分後の残留水分率とは、ＩＳＯ １７６１７：２０１４のＡ１法に準じた試験操作を行い、試験開始から３０分後に布帛に含まれる水分質量の測定値を、測定開始時の布帛に含まれる水分質量で除し、１００を掛けた値（％）を指す。
(Residual moisture content after 30 minutes)
The polyester fiber fabric of the present disclosure has a residual moisture content of 5% by mass or more after 30 minutes in a water absorption and quick-drying test, which is lower than that of a standard fabric made of polyester fiber that does not adsorb a natural dye adsorbing aid and a biological natural dye. Is preferable.
The polyester fiber fabric of the present disclosure preferably has a residual moisture content of 5% or more lower than the reference fabric after 30 minutes in the water absorption and quick-drying test, and more preferably 10% or more.
The residual moisture content after 30 minutes in the water absorption and quick-drying test is the test operation according to the A1 method of ISO 17617: 2014, and the measured value of the moisture mass contained in the fabric 30 minutes after the start of the test is measured at the start of measurement. It refers to the value (%) obtained by dividing by the amount of water contained in the cloth and multiplying by 100.
本開示のポリエステル繊維布帛は、既述のように、ＪＩＳ Ｌ１９０７に規定されるバイレック法にて測定した水上昇高さが、基準布帛に対して１．１倍以上であるため、布帛に接触した水分がより速やかに拡散され、水分の気化がより起こりやすくなり、基準布帛に対して、３０分後の残留水分率をより低くすることができると考えられる。
吸水速乾性試験における３０分後の残留水分率が、基準布帛に対して５％以上低いことで、布帛に吸収された汗等の水分が速やかに放出され、公知のポリエステル繊維布帛に対して、ムレ感がより抑制され、放湿冷却による体温冷却効果がより顕著に発現されると考えている。
As described above, the polyester fiber fabric of the present disclosure comes into contact with the fabric because the water rise height measured by the Bilek method specified in JIS L1907 is 1.1 times or more that of the reference fabric. It is considered that the water is diffused more quickly, the vaporization of the water is more likely to occur, and the residual water content after 30 minutes can be made lower than that of the reference fabric.
When the residual moisture content after 30 minutes in the water absorption and quick-drying test is 5% or more lower than that of the reference fabric, moisture such as sweat absorbed by the fabric is quickly released, and the known polyester fiber fabric has a higher residual moisture content. It is believed that the feeling of stuffiness is further suppressed, and the body temperature cooling effect of moisture-releasing cooling is more pronounced.
本開示のポリエステル繊維布帛は、未処理のポリエステル繊維布帛、即ち、分散染料をも吸着していないポリエステル繊維布帛に対しても、相対的に高い吸水性を示す。
例えば、後述の実施例１で用いたポリエステル平織物（経糸、緯糸ともレギュラーポリエステル）を、工程１の方法で、苛性ソーダ８．５質量％およびアニオン性界面活性剤（ダイサーフ ＭＯＬ−７２６、第一工業製薬（株））１．５質量％の水溶液を用いて、９５℃で精練した試料を、ＪＩＳ Ｌ １９０７ バイレック法にて測定した水上昇高さを評価すると、８．１ｃｍである。
他方、後述の実施例１に従い、精練後のポリエステル平織物に、天然染料吸着助剤、分散染料、及びタマネギ外皮由来の特定天然染料を吸着させ、本開示のポリエステル繊維布帛を得て、同様に水上昇高さを評価すると、１５．７ｃｍであることから、本開示のポリエステル繊維布帛は、同一の織組織であって、何らの吸着処理を行っていないレギュラーポリエステル繊維からなる布帛よりも吸水性が大きいことが確認される。
The polyester fiber cloth of the present disclosure exhibits relatively high water absorption even with respect to an untreated polyester fiber cloth, that is, a polyester fiber cloth that does not adsorb a disperse dye.
For example, the polyester plain woven fabric (regular polyester for both warp and weft) used in Example 1 described later was subjected to 8.5% by mass of caustic soda and anionic surfactant (Daisurf MOL-726, Dai-ichi Kogyo) by the method of step 1. A sample refined at 95 ° C. using a 1.5% by mass aqueous solution of Pharmaceutical Co., Ltd. was evaluated to have a water rise height of 8.1 cm as measured by the JIS L 1907 Bilek method.
On the other hand, according to Example 1 described later, a natural dye adsorbing aid, a disperse dye, and a specific natural dye derived from the onion skin are adsorbed on the scoured polyester plain woven fabric to obtain the polyester fiber cloth of the present disclosure, and similarly. When the water rise height is evaluated, it is 15.7 cm. Therefore, the polyester fiber cloth of the present disclosure has the same woven structure and absorbs more water than a cloth made of regular polyester fibers which has not been subjected to any adsorption treatment. Is confirmed to be large.
（３２０ｎｍ〜４００ｎｍの紫外線反射率）
本開示のポリエステル繊維布帛は、特定天然染料を吸着していないポリエステル繊維布帛に対し、波長３２０ｎｍ〜４００ｎｍの紫外線反射率がより低い。紫外線反射率は、波長３２０ｎｍ〜４００ｎｍの波長域全域にわたって、特定天然染料を吸着することで、紫外線反射率が基準布帛よりも低くなる。
紫外線反射率が「より低い」とは、波長３２０ｎｍ〜４００ｎｍの範囲内のある波長に着目した場合、基準布帛の紫外線反射率をＡ１％、特定天然染料が吸着した布帛の紫外線反射率をＡ２％としたとき、Ａ１％＞Ａ２％であることを指す。例えば、基準布帛のある波長での紫外線反射率が２０％である場合、特定天然染料が吸着した布帛の同一波長での紫外線反射率は２０％未満であることを指す。
(UV reflectance from 320 nm to 400 nm)
The polyester fiber cloth of the present disclosure has a lower ultraviolet reflectance at a wavelength of 320 nm to 400 nm than the polyester fiber cloth that does not adsorb a specific natural dye. The ultraviolet reflectance is lower than that of the reference fabric by adsorbing the specific natural dye over the entire wavelength range of 320 nm to 400 nm.
"Lower UV reflectance" means that when focusing on a certain wavelength in the wavelength range of 320 nm to 400 nm, the UV reflectance of the reference cloth is A 1 %, and the UV reflectance of the cloth adsorbed by the specific natural dye is A. when 2%, refers to a 2% a 1%> a. For example, when the ultraviolet reflectance at a certain wavelength of the reference cloth is 20%, it means that the ultraviolet reflectance at the same wavelength of the cloth on which the specific natural dye is adsorbed is less than 20%.
本開示における「３２０ｎｍ〜４００ｎｍの波長域全域にわたる紫外線反射率」とは、分光光度計を用いて、３２０ｎｍから５ｎｍ間隔で４００ｎｍまで１７点の波長のごとに測定した紫外線反射率の全てを指す。即ち、本開示のポリエステル繊維布帛は、基準布帛に対し、３２０ｎｍ〜４００ｎｍの紫外線反射率がより低いとは、１７点の測定データの全てにおいて、基準布帛よりも紫外線反射率が低いことを意味する。
従って、本開示のポリエステル繊維布帛は、上記１７点の波長のポリエステル繊維布帛の光線反射率を測定し、その１７点いずれの波長においても、基準布帛の反射率よりも、特定天然染料を吸着した本開示のポリエステル繊維布帛の反射率が小さい値を示す。
紫外線反射率の低減効果としては、Ａ１％−Ａ２％が０．５％以上であることが好ましく、１％以上であることがより好ましい。
紫外線反射率に着目すれば、本開示のポリエステル繊維布帛の紫外線反射率（Ａ２％）は、３０％以下であることが好ましく、２８％以下であることがより好ましい。
The "ultraviolet reflectance over the entire wavelength range of 320 nm to 400 nm" in the present disclosure refers to all of the ultraviolet reflectances measured for each of 17 wavelengths from 320 nm to 400 nm at 5 nm intervals using a spectrophotometer. That is, the fact that the polyester fiber fabric of the present disclosure has a lower ultraviolet reflectance at 320 nm to 400 nm than the reference fabric means that the ultraviolet reflectance is lower than that of the reference fabric in all 17 measurement data. ..
Therefore, in the polyester fiber cloth of the present disclosure, the light reflectance of the polyester fiber cloth having the above 17 points of wavelength was measured, and the specific natural dye was adsorbed at any of the 17 points of the wavelength, rather than the reflectance of the reference cloth. The polyester fiber fabric of the present disclosure shows a value having a small reflectance.
As the effect of reducing the ultraviolet reflectance, A 1 % -A 2 % is preferably 0.5% or more, and more preferably 1% or more.
Focusing on the ultraviolet reflectance, the ultraviolet reflectance (A 2 %) of the polyester fiber fabric of the present disclosure is preferably 30% or less, and more preferably 28% or less.
布帛の紫外線反射率が低いことは、当該波長域の紫外線吸収率が高いことを意味する。従って、本開示のポリエステル繊維布帛は、目への刺激となる紫外線が布帛に反射されて目に到達する量がより減少し、目に優しく、且つ、紫外線の吸収率がより高いことで皮膚に対する紫外線の影響もより軽減されることが期待できる。 The low ultraviolet reflectance of the fabric means that the ultraviolet absorption rate in the wavelength range is high. Therefore, the polyester fiber fabric of the present disclosure is gentle on the eyes and has a higher absorption rate of ultraviolet rays, so that the amount of ultraviolet rays that irritate the eyes is reflected by the fabric and reaches the eyes is further reduced. It can be expected that the influence of ultraviolet rays will be further reduced.
（ポリエステル繊維布帛の製造方法）
本開示のポリエステル繊維布帛の製造方法には特に制限はない。
以下、本開示のポリエステル繊維布帛の好適な製造方法の一例について説明する。しかし、製造方法は以下の記載に制限されない。
(Manufacturing method of polyester fiber fabric)
The method for producing the polyester fiber fabric of the present disclosure is not particularly limited.
Hereinafter, an example of a suitable manufacturing method for the polyester fiber fabric of the present disclosure will be described. However, the manufacturing method is not limited to the following description.
まず、ポリエステル繊維布帛を準備する。ポリエステル繊維布帛は、既述のポリエステル繊維布帛の説明において述べたものを用いればよい。
ポリエステル繊維布帛に分散染料及び特定天然染料を吸着させるに先立ち、ポリエステル繊維は、必要に応じ、湯洗い、精練、リラックス、減量、熱セット等の前処理を行ってもよい。
例えば、アルカリ類、界面活性剤などを利用してポリエステル繊維に付着している油剤、不純物等を除去する精練加工、アルカリ類、酵素などを使用してポリエステル繊維の表面を加水分解などにより分解し、繊維の剛直性を低減させ柔軟性を付与する減量加工等の公知の前処理加工を行うことができる。
各加工は公知の方法で行えばよい。また、本開示における効果を損なわない限りにおいては、ポリエステル繊維布帛に対し、さらなる他の性能を付与するため、特殊な条件にて前記加工を行うことができる。
First, a polyester fiber fabric is prepared. As the polyester fiber cloth, the one described in the above-mentioned description of the polyester fiber cloth may be used.
Prior to adsorbing the disperse dye and the specific natural dye on the polyester fiber fabric, the polyester fiber may be subjected to pretreatment such as washing with hot water, scouring, relaxing, weight loss, and heat setting, if necessary.
For example, the surface of polyester fiber is decomposed by hydrolysis using alkalis, surfactants, etc. to remove oils and impurities adhering to polyester fibers, and alkalis, enzymes, etc. , Known pretreatment processing such as weight loss processing that reduces the rigidity of the fiber and imparts flexibility can be performed.
Each process may be carried out by a known method. Further, as long as the effect in the present disclosure is not impaired, the processing can be performed under special conditions in order to impart further other performance to the polyester fiber fabric.
所望により前処理加工を施したポリエステル繊維布帛を、分散染料および特定天然染料を用いて染色加工し、繊維に分散染料及び特定天然染料を吸着させる。
加工手順としては、
（Ｉ）まずポリエステル繊維布帛を分散染料で染色した後に、特定天然染料で染色する二段染色、
（ＩＩ）分散染料と特定天然染料とを含有する染色液を用いてポリエステル繊維布帛を染色する一段染色、
等の加工手順が挙げられ、いずれの手順で行ってもよい。
なかでも、色相の調整がし易く、染色堅牢性がより良好となるという観点からは、（Ｉ）で示す二段染色を行うことが好ましい。
If desired, the pretreated polyester fiber fabric is dyed with a disperse dye and a specific natural dye, and the disperse dye and the specific natural dye are adsorbed on the fibers.
As a processing procedure,
(I) Two-stage dyeing, in which the polyester fiber fabric is first dyed with a disperse dye and then dyed with a specific natural dye.
(II) One-step dyeing that dyes polyester fiber fabric with a dyeing solution containing a disperse dye and a specific natural dye.
And the like, and any procedure may be used.
Among them, from the viewpoint that the hue can be easily adjusted and the dyeing fastness is improved, the two-step dyeing shown in (I) is preferable.
所望により、既述の天然染料吸着助剤を用いる場合には、特定天然染料の吸着を行う前に、ポリエステル繊維布帛に対し天然染料吸着助剤を吸着させる処理を施すことが好ましい。
天然染料吸着助剤を予めポリエステル繊維布帛に吸着させる処理を施すことで、特定天然染料の染色加工時の濃度（使用量）を低減させる、特定天然染料の吸着の堅牢性をより向上させるなどの利点があるため、好ましい。
If desired, when the above-mentioned natural dye adsorption aid is used, it is preferable to perform a treatment of adsorbing the natural dye adsorption aid on the polyester fiber cloth before adsorbing the specific natural dye.
By preliminarily adsorbing the natural dye adsorption aid to the polyester fiber fabric, the concentration (usage amount) of the specific natural dye during the dyeing process can be reduced, and the fastness of adsorption of the specific natural dye can be further improved. It is preferable because it has advantages.
具体的な吸着方法としては、天然染料吸着助剤を水に溶解または分散させた処理液を調製し、得られた処理液にポリエステル繊維布帛を浸漬する、ポリエステル繊維布帛に処理液を塗布又は噴霧することなどの手段により、特定天然染料で染色する前のポリエステル繊維布帛へ処理液を付与し、乾燥して、天然染料吸着助剤をポリエステル繊維布帛に吸着させればよい。 As a specific adsorption method, a treatment liquid in which a natural dye adsorption aid is dissolved or dispersed in water is prepared, and the polyester fiber cloth is immersed in the obtained treatment liquid, and the treatment liquid is applied or sprayed on the polyester fiber cloth. The treatment liquid may be applied to the polyester fiber cloth before being dyed with the specific natural dye, dried, and the natural dye adsorbing aid may be adsorbed on the polyester fiber cloth.
本開示のポリエステル繊維布帛の製造に際しては、必要に応じて柄の印刷加工、制電加工、防汚加工、抗菌防臭加工、制菌加工、消臭加工、防炎加工、カレンダー加工、仕上げセットなどの任意の加工を公知の方法でさらに行ってもよい。 In the production of the polyester fiber fabric of the present disclosure, if necessary, pattern printing processing, antistatic processing, antifouling processing, antibacterial deodorant processing, antibacterial processing, deodorant processing, flameproof processing, calendar processing, finishing set, etc. Any processing of the above may be further carried out by a known method.
＜ポリエステル繊維製品＞
本開示のポリエステル繊維製品は、既述の本開示のポリエステル繊維布帛を含む繊維製品である。
繊維製品としては、本開示のポリエステル繊維布帛を含んでいれば特に制限はない。本開示の繊維製品として、具体的には、例えば、本開示のポリエステル繊維布帛を縫製して得られるシャツ、ジャケット、パンツなどの縫製品である衣料品、無縫製ニットから得られる衣服等の衣料品、スカーフ、帽子、手袋等、シーツ、枕カバー、ベッドカバー、布団カバー等の家庭品等が挙げられる。本開示の繊維製品は上記例示に限定されない。
<Polyester textile products>
The polyester fiber product of the present disclosure is a textile product containing the polyester fiber fabric of the present disclosure described above.
The textile product is not particularly limited as long as it contains the polyester fiber fabric of the present disclosure. Specific examples of the textile products of the present disclosure include clothing that is a sewn product such as a shirt, jacket, and pants obtained by sewing the polyester fiber fabric of the present disclosure, and clothing such as clothing obtained from a non-sewn knit. Examples include items, scarves, hats, gloves, sheets, pillowcases, bedspreads, duvet covers, and other household items. The textile products of the present disclosure are not limited to the above examples.
本開示のポリエステル繊維製品は、一般的なポリエステルの糸で織編された一般的な組織のポリエステル繊維を原料とした場合でも、本開示のポリエステル繊維布帛を用いることで、ポリエステル繊維の速乾性を維持しながら、吸水性に優れ、紫外線反射率が低減されることから、目に優しく自然な色合いを有する繊維製品を提供することができ、様々な分野に応用することができる。 Even when the polyester fiber product of the present disclosure is made from a polyester fiber having a general structure woven with a general polyester thread, the polyester fiber fabric of the present disclosure can be used to quickly dry the polyester fiber. Since it has excellent water absorption and reduced ultraviolet reflectance while maintaining it, it is possible to provide a textile product that is easy on the eyes and has a natural color, and can be applied to various fields.
以下、実施例および比較例を挙げて本開示のポリエステル繊維布帛及びその応用を詳細に説明するが、本開示は以下に示す具体例に限定されるものではなく、目的を逸脱しない範囲で種々の変型例にて実施できることはいうまでもない。 Hereinafter, the polyester fiber fabric of the present disclosure and its application will be described in detail with reference to Examples and Comparative Examples, but the present disclosure is not limited to the specific examples shown below, and various types are described without departing from the purpose. Needless to say, it can be carried out in a modified example.
〔実施例１〕
１．ポリエステル繊維布帛の準備
ポリエステル平織物（経糸、緯糸ともレギュラーポリエステル）を、苛性ソーダ８．５質量％およびアニオン性界面活性剤（ダイサーフ（登録商標） ＭＯＬ−７２６、第一工業製薬（株））１．５質量％の水溶液を用いて、９５℃で精練し、ポリエステル繊維布帛の加工原料として用いた。〔工程１〕
[Example 1]
1. 1. Preparation of polyester fiber fabric Polyester plain woven fabric (regular polyester for both warp and weft), caustic soda 8.5% by mass and anionic surfactant (Daisurf (registered trademark) MOL-726, Dai-ichi Kogyo Seiyaku Co., Ltd.) 1. It was scoured at 95 ° C. using a 5% by mass aqueous solution and used as a raw material for processing polyester fiber fabrics. [Step 1]
２．天然染料吸着助剤の吸着
加工原料としての上記ポリエステル繊維布帛を、第四級アンモニウム塩（ＰＥシオールＣＴ：商品名、（株）シオンテック）５％ｏｍｆ(％ ｏｎ ｍａｓｓ ｏｆ ｆｉｂｅｒ)、水酸化ナトリウム０．１ｇ／Ｌを含む処理液中（浴比１：５０）で、８０℃で３０分間処理し、天然染料吸着助剤を吸着させた。〔工程２〕
2. Adsorption of natural dye adsorption aid The polyester fiber fabric as a processing raw material is quaternary ammonium salt (PE Siol CT: trade name, Zion Tech Co., Ltd.) 5% omf (% on mass of fiber), sodium hydroxide. The treatment was carried out at 80 ° C. for 30 minutes in a treatment liquid containing 0.1 g / L (bath ratio 1:50) to adsorb the natural dye adsorption aid. [Step 2]
３．分散染料の吸着
次に、分散染料（Ｄｉａｎｉｘ（登録商標、以下同様） Ｙｅｌｌｏｗ ＡＣＥ ０．２％ｏｍｆ、Ｄｉａｎｉｘ Ｒｅｄ ０．２％ｏｍｆ、Ｄｉａｎｉｘ Ｂｌｕｅ ０．１％ｏｍｆ、いずれもダイスタージャパン（株））、分散剤（デモール（登録商標） Ｎ、花王（株））０．１ｇ／Ｌ、酢酸０．５ｇ／Ｌを含む処理液中（浴比１：１５）で、１３０℃で３０分間処理し、分散染料をポリエステル繊維布帛に吸着させベージュ色に染色した。〔工程３〕
3. 3. Adsorption of disperse dye Next, disperse dye (Dianix (registered trademark, the same applies hereinafter) Yellow ACE 0.2% omf, Dianix Red 0.2% omf, Dianix Blue 0.1% omf, all of which are from Distar Japan Co., Ltd. ), Dispersant (Demol® N, Kao Co., Ltd.) 0.1 g / L, acetic acid 0.5 g / L in a treatment solution (bath ratio 1:15), treated at 130 ° C. for 30 minutes. , The disperse dye was adsorbed on the polyester fiber cloth and dyed in beige. [Step 3]
４．特定天然染料の吸着
次に、タマネギ外皮から抽出した天然染料５％ｏｍｆ、酢酸ナトリウム２ｇ／Ｌを含む処理液中（浴比１：１５）で、８０℃で３０分間処理し、天然染料を吸着させて、実施例１のポリエステル繊維布帛を得た。〔工程４〕
得られたポリエステル繊維布帛を走査型電子顕微鏡〔装置名：ＳＥＭＥＤＸ ＴｙｐｅＨ型、（株）日立ハイテクノロジーズ、倍率：５０００倍）で観察したところ、円相当の平均粒子径が０．８μｍのタマネギ外皮由来の植物粒子が複数吸着されていることが確認された。
4. Adsorption of specific natural dye Next, the natural dye is adsorbed by treating at 80 ° C. for 30 minutes in a treatment liquid containing 5% omf of the natural dye extracted from the onion skin and 2 g / L of sodium acetate (bath ratio 1:15). The polyester fiber cloth of Example 1 was obtained. [Step 4]
When the obtained polyester fiber cloth was observed with a scanning electron microscope [device name: SEMEDX Type H type, Hitachi High-Technologies Corporation, magnification: 5000 times), it was derived from an onion skin having an average particle size equivalent to a circle of 0.8 μm. It was confirmed that multiple plant particles were adsorbed.
〔比較例１〕
実施例１において、分散染料の吸着〔工程３〕を行わなかった以外は実施例１と同様にして、比較例１のポリエステル繊維布帛を得た。比較例１のポリエステル繊維布帛は、ポリエステル繊維に天然染料吸着助剤と特定天然染料とが吸着した布帛である。
[Comparative Example 1]
In Example 1, the polyester fiber cloth of Comparative Example 1 was obtained in the same manner as in Example 1 except that the dispersion dye was not adsorbed [Step 3]. The polyester fiber cloth of Comparative Example 1 is a cloth in which a natural dye adsorbing aid and a specific natural dye are adsorbed on the polyester fiber.
〔比較例２〕
実施例１において、天然染料吸着助剤の吸着〔工程２〕及び特定天然染料の吸着〔工程４〕を行わなかった以外は実施例１と同様にして、比較例２のポリエステル繊維布帛を得た。比較例２のポリエステル繊維布帛は、ポリエステル繊維に分散染料が吸着し、特定天然染料が吸着していない布帛であり、基準布帛に相当する。
[Comparative Example 2]
The polyester fiber cloth of Comparative Example 2 was obtained in the same manner as in Example 1 except that the adsorption of the natural dye adsorption aid [step 2] and the adsorption of the specific natural dye [step 4] were not performed in Example 1. .. The polyester fiber cloth of Comparative Example 2 is a cloth in which the disperse dye is adsorbed on the polyester fiber and the specific natural dye is not adsorbed, and corresponds to the reference cloth.
（ポリエステル繊維布帛の評価）
得られた実施例１、比較例１及び比較例２〔基準布帛〕の各ポリエステル繊維布帛の性能を以下に記載の方法で評価した。
(Evaluation of polyester fiber fabric)
The performance of each of the obtained polyester fiber fabrics of Example 1, Comparative Example 1 and Comparative Example 2 [reference fabric] was evaluated by the method described below.
（１．ＪＩＳ Ｌ１９０７に規定されるバイレック法にて測定した水上昇高さ）
実施例及び比較例の各ポリエステル繊維布帛のそれぞれに対し、ＪＩＳ Ｌ１９０７（２０１０年）に規定されるバイレック法に準じて、水上昇高さの測定を行った。結果を表１に示した。なお、表１には、「水上昇高さ」と記載している。
各評価において、ポリエステル繊維布帛のうち、比較例２で得た特定天然染料を吸着していない布帛を基準布帛〔対照例〕とした。
実施例１及び比較例１の布帛については、基準布帛である比較例２の水上昇高さに対する比率を倍率で併記した。
(1. Water rise height measured by the Bilek method specified in JIS L1907)
For each of the polyester fiber fabrics of Examples and Comparative Examples, the water rise height was measured according to the Bilek method specified in JIS L1907 (2010). The results are shown in Table 1. In addition, in Table 1, "water rise height" is described.
In each evaluation, among the polyester fiber cloths, the cloth not adsorbing the specific natural dye obtained in Comparative Example 2 was used as a reference cloth [control example].
For the fabrics of Example 1 and Comparative Example 1, the ratio to the water rise height of Comparative Example 2, which is the reference fabric, is also shown by a magnification.
（２．吸水速乾性試験における３０分後の残留水分率）
得られた各ポリエステル繊維布帛のそれぞれに対し、ＩＳＯ １７６１７：２０１４のＡ１法に準じた試験操作を行い、試験開始から３０分後の水分質量の測定値を、測定開始時の水分質量の測定値で除し、１００を掛けた値（％）を残留水分率とした。
結果を表１に示した。実施例１及び比較例１の布帛については、基準布帛である比較例２の残留水分率からの残留水分率の減少量を併記した。
(2. Residual moisture content after 30 minutes in the water absorption and quick-drying test)
Each of the obtained polyester fiber fabrics was subjected to a test operation according to the A1 method of ISO 17617: 2014, and the measured value of the water mass 30 minutes after the start of the test was the measured value of the water mass at the start of the measurement. The value (%) obtained by dividing by 100 and multiplying by 100 was taken as the residual water content.
The results are shown in Table 1. For the fabrics of Example 1 and Comparative Example 1, the amount of decrease in the residual moisture content from the residual moisture content of Comparative Example 2 which is the reference fabric is also shown.
（３．摩擦堅牢度）
得られた各ポリエステル繊維布帛のそれぞれに対し、ＪＩＳ Ｌ０８４９（２０１３年）に規定の摩擦試験機ＩＩ形（学振形）法に準じた摩擦堅牢度にて、乾燥試験及び湿潤試験を行い、堅牢度の等級を判定した。結果を表１に示した。
(3. Friction fastness)
Each of the obtained polyester fiber fabrics is subjected to a drying test and a wet test with a friction fastness according to the friction tester type II (Gakushin type) method specified in JIS L0849 (2013), and is robust. The grade of degree was judged. The results are shown in Table 1.
（４．３２０ｎｍ〜４００ｎｍの波長域における紫外線反射率）
得られた各ポリエステル繊維布帛のそれぞれに対し、日本分光（株）製紫外可視分光光度計Ｖ−６５０に１５０φの積分球ユニットを取り付けた装置を用い、３２０ｎｍから５ｎｍ間隔で４００ｎｍまで１７点の波長ごとの反射率を視野角４°で測定した。結果を表２に示した。実施例１及び比較例１の布帛については、基準布帛である比較例２の紫外線反射率からの反射率の減少量（表２には「反射率の減少量」と記載）を併記した。
(UV reflectance in the wavelength range of 4.320 nm to 400 nm)
For each of the obtained polyester fiber fabrics, a device in which a 150φ integrating sphere unit was attached to an ultraviolet-visible spectrophotometer V-650 manufactured by JASCO Corporation was used, and 17 wavelengths from 320 nm to 400 nm at 5 nm intervals were used. The reflectance of each was measured at a viewing angle of 4 °. The results are shown in Table 2. For the fabrics of Example 1 and Comparative Example 1, the amount of decrease in reflectance from the ultraviolet reflectance of Comparative Example 2 which is a reference fabric (described as “amount of decrease in reflectance” in Table 2) is also shown.
表１によれば、分散染料および特定天然染料が吸着されている実施例１のポリエステル繊維布帛は、ＪＩＳ Ｌ１９０７に規定されるバイレック法にて測定した水上昇高さが比較例２の基準布帛に対して、２．０９倍となり、残留水分率は、１３．１％減少しており、吸水性に加え、水分の発散性が良好であることが分かる。
実施例１のポリエステル繊維布帛は、特定天然染料により淡いベージュに染色され、外観が良好であった。また、染色の摩擦堅牢度が良好であり、実用に適する堅牢度を示した。
According to Table 1, the polyester fiber fabric of Example 1 in which the disperse dye and the specific natural dye are adsorbed has a water rise height measured by the Bilek method specified in JIS L1907 as the reference fabric of Comparative Example 2. On the other hand, it is 2.09 times, and the residual water content is reduced by 13.1%, and it can be seen that the water wicking property is good in addition to the water absorption.
The polyester fiber fabric of Example 1 was dyed light beige with a specific natural dye and had a good appearance. In addition, the friction fastness of dyeing was good, and the fastness suitable for practical use was shown.
表２によれば、実施例１のポリエステル繊維布帛は、紫外線反射率が基準布帛に対し、３２０ｎｍ〜４００ｎｍのいずれの波長においても２％以上減少していた。これにより、実施例１のポリエステル繊維布帛は、目に優しい布帛であることが期待できる。
他方、特定天然染料のみが吸着されている比較例１のポリエステル繊維布帛は、ＪＩＳ Ｌ１９０７に規定されるバイレック法にて測定した水上昇高さが基準布帛に比較して大きくなっており、紫外線反射率も減少する傾向が見られたが、摩擦堅牢度が低く、実用上問題となるレベルであった。
According to Table 2, the polyester fiber fabric of Example 1 had an ultraviolet reflectance reduced by 2% or more at any wavelength of 320 nm to 400 nm with respect to the reference fabric. As a result, the polyester fiber fabric of Example 1 can be expected to be an eye-friendly fabric.
On the other hand, the polyester fiber fabric of Comparative Example 1 in which only the specific natural dye is adsorbed has a larger water rise height measured by the Bilek method specified in JIS L1907 as compared with the reference fabric, and reflects ultraviolet rays. The rate also tended to decrease, but the friction fastness was low, which was a problematic level for practical use.
Claims (6)
前記生物由来天然染料は、平均粒子径０．０１μｍ〜３０μｍの生物由来粒子を含む、ポリエステル繊維布帛。 A polyester fiber fabric containing polyester fibers on which disperse dyes and biological natural dyes are adsorbed.
The biological natural dye is a polyester fiber fabric containing biological particles having an average particle diameter of 0.01 μm to 30 μm.
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