WO2022210193A1 - 化学カイロ用外袋用フィルム - Google Patents
化学カイロ用外袋用フィルム Download PDFInfo
- Publication number
- WO2022210193A1 WO2022210193A1 PCT/JP2022/013659 JP2022013659W WO2022210193A1 WO 2022210193 A1 WO2022210193 A1 WO 2022210193A1 JP 2022013659 W JP2022013659 W JP 2022013659W WO 2022210193 A1 WO2022210193 A1 WO 2022210193A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- outer bag
- film
- layer
- vapor
- deposited
- Prior art date
Links
- 239000000126 substance Substances 0.000 title claims abstract description 75
- 230000035699 permeability Effects 0.000 claims abstract description 79
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000001301 oxygen Substances 0.000 claims abstract description 67
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 150000002736 metal compounds Chemical class 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 229920005989 resin Polymers 0.000 claims description 33
- 239000011347 resin Substances 0.000 claims description 33
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims description 7
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims description 7
- 229920005672 polyolefin resin Polymers 0.000 claims description 6
- 238000000151 deposition Methods 0.000 abstract description 8
- 230000008021 deposition Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 144
- 239000004698 Polyethylene Substances 0.000 description 35
- 239000005026 oriented polypropylene Substances 0.000 description 30
- 230000008961 swelling Effects 0.000 description 30
- 239000000203 mixture Substances 0.000 description 28
- 238000003860 storage Methods 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 18
- 229920000139 polyethylene terephthalate Polymers 0.000 description 18
- 239000005020 polyethylene terephthalate Substances 0.000 description 18
- 238000007740 vapor deposition Methods 0.000 description 17
- 239000002585 base Substances 0.000 description 16
- 238000005259 measurement Methods 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- -1 polypropylene Polymers 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 10
- 229910001882 dioxygen Inorganic materials 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 8
- 239000003610 charcoal Substances 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000005033 polyvinylidene chloride Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 238000010998 test method Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000009820 dry lamination Methods 0.000 description 5
- 230000020169 heat generation Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000004584 polyacrylic acid Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 230000003244 pro-oxidative effect Effects 0.000 description 3
- 230000001007 puffing effect Effects 0.000 description 3
- 239000010455 vermiculite Substances 0.000 description 3
- 229910052902 vermiculite Inorganic materials 0.000 description 3
- 235000019354 vermiculite Nutrition 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010227 cup method (microbiological evaluation) Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 244000144725 Amygdalus communis Species 0.000 description 1
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 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 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229920000805 Polyaspartic acid Polymers 0.000 description 1
- 108010020346 Polyglutamic Acid Proteins 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000000654 additive Substances 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
- 235000020224 almond Nutrition 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 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
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 108010064470 polyaspartate Proteins 0.000 description 1
- 229920002643 polyglutamic acid Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
- A61F7/032—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
- A61F7/032—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
- A61F7/034—Flameless
- A61F2007/036—Fuels
Definitions
- It relates to a film used for an outer bag containing a chemical warmer, and a chemical warmer in an outer bag in which the chemical warmer is contained in the outer bag formed of the film.
- Conventional chemical body warmers use a heat-generating mechanism in which oxidizable metals such as iron powder come into contact with oxygen to generate oxidation heat.
- the structure contains an exothermic composition containing an oxidizable metal.
- the oxidizable metal starts to generate heat when it comes into contact with oxygen, it is stored and sealed in a container (outer bag) that can block oxygen permeation until the start of use.
- Patent Document 1 describes that the amount of hydrogen gas generated can be reduced by including reduced iron powder with a calcium content of 0.3% by weight or more in an exothermic composition. Further, in Patent Document 2, the amount of wustite contained in the iron powder in the exothermic composition is 5% or less in terms of the X-ray peak intensity ratio with iron, and the amount of iron powder for a reactant is included. It is described that the generation amount can be reduced.
- the composition of the exothermic composition has been improved in order to suppress the expansion of the outer bag of chemical body warmers during storage, but no study has been conducted focusing on the oxygen permeability of the outer bag. Therefore, the present inventor focused on the outer bag containing the chemical warmer and conducted a preliminary verification of the degree of expansion during high temperature storage, and found that the conventional outer bag may expand due to high temperature storage. Instead, it has been found that there are cases in which shrinkage occurs due to a decrease in the internal pressure of the outer bag.
- an object of the present invention is to provide an outer bag that is used to store a chemical warmer and that can suppress swelling and shrinkage due to changes in internal pressure such as hydrogen gas generation during storage.
- Outer bags for conventional chemical warmers are required to have gas barrier properties.
- the standard stipulates that it should be m 2 ⁇ day ⁇ atm or less. Therefore, conventionally, the physical property evaluation of the material of the outer bag containing the chemical body warmer has focused on the oxygen permeability at 23 ° C, and the investigation focused on the oxygen permeability at a temperature range higher than 23 ° C has been conducted. do not have.
- the present inventors conducted extensive studies to solve the above problems, and found that a vapor-deposited film layer formed by vapor-depositing a metal and/or a metal compound was used as a material for an outer bag containing a chemical warmer.
- a film that has an oxygen permeability of 11.4 to 62.8 cc/m 2 ⁇ day ⁇ atm at 50 ° C the internal pressure such as hydrogen gas generation during storage in the outer bag containing the chemical warmer It was found that swelling and shrinkage due to change can be suppressed.
- the present invention has been completed through further studies based on such findings.
- Section 1 A film used for an outer bag containing a chemical warmer, At least a vapor deposited film layer in which a metal and/or a metal compound is vapor deposited, An outer bag film having an oxygen permeability of 11.4 to 62.8 cc/m 2 ⁇ day ⁇ atm at 50°C.
- Section 2. Item 2. The outer bag film according to item 1, which has an oxygen permeability of 5.7 to 26.7 cc/m 2 ⁇ day ⁇ atm at 40°C.
- Item 3. Item 3.
- the outer bag film according to Item 1 or 2 which has a water vapor permeability of 5 g/m 2 ⁇ day or less at 40°C.
- Item 5. The outer bag film according to any one of Items 1 to 4, wherein the vapor-deposited film layer is a polyolefin resin film vapor-deposited with a metal and/or a metal compound.
- Item 6. Item 6. The outer bag film according to Item 5, wherein the polyolefin resin film is a biaxially oriented polypropylene film.
- Item 8. Item 8.
- a chemical warmer in an outer bag wherein the chemical warmer is housed in an outer bag formed of the outer bag film according to any one of Items 1 to 7.
- Item 9 A film containing at least a vapor-deposited film layer in which a metal and/or a metal compound is vapor-deposited and having an oxygen permeability of 11.4 to 62.8 cc/m 2 ⁇ day ⁇ atm at 50 ° C., containing a chemical warmer. Use as an outer bag.
- FIG. 2 is a schematic plan view of a sample (a chemical warmer housed in an outer bag) used for measurement of expansion/contraction rate.
- FIG. 2 is a diagram showing the results of regression lines obtained by plotting the oxygen permeability at 50° C. on the vertical axis and the swelling/shrinkage ratio at 50° C. on the horizontal axis for Examples 1 to 3 and Comparative Examples 1 to 3.
- FIG. 2 is a diagram showing the results of regression lines obtained by plotting the oxygen permeability at 40° C. on the vertical axis and the swelling/shrinkage ratio at 40° C. on the horizontal axis for Examples 1 to 3 and Comparative Examples 1 to 3.
- FIG. 10 is a diagram showing the results of measurement of changes over time in exothermic temperature after unsealing outer-bag-packed body warmers stored at 40°C for 3 months.
- Fig. 10 is a diagram showing the results of measurement of changes over time in exothermic temperature after unsealing outer-bag-packed body warmers stored at 50°C for 3 months.
- the outer bag film of the present invention is a film used for forming an outer bag for housing a chemical body warmer, and includes at least a vapor-deposited film layer in which a metal and/or a metal compound is vapor-deposited. It is characterized by having an oxygen permeability of 11.4 to 62.8 cc/m 2 ⁇ day ⁇ atm.
- the outer bag film of the present invention will be described in detail below.
- the outer bag film of the present invention includes at least a vapor-deposited film layer formed by vapor-depositing a metal and/or a metal compound.
- the material forming the vapor deposition film may be a metal and/or a metal compound.
- metals such as aluminum, chromium, zinc, gold, silver, platinum, and nickel; alumina, silica, Metal compounds such as titanium oxide, zirconium oxide and magnesium fluoride are included. These metals and metal compounds may be used singly or in combination of two or more.
- the range of oxygen permeability at 40 ° C. and 50 ° C. described later is suitably provided, and the swelling and shrinkage during storage of the outer bag containing the chemical warmer are more effectively suppressed.
- aluminum and alumina are preferred, and aluminum is more preferred.
- the thickness of the metal and/or metal compound vapor-deposited film is not particularly limited as long as the range of oxygen permeability at 40° C. and 50° C. described below can be provided. It is preferably 400 to 900 ⁇ , more preferably 500 to 800 ⁇ .
- the material of the film that supports the vapor-deposited film is not particularly limited, but examples include polyolefin resins such as polypropylene, polyethylene, and ethylene-vinyl acetate copolymer; Copolymer, polyamide, polyimide, polyurethane, polystyrene, polyvinyl alcohol, polyvinyl chloride, polyvinylidene chloride, polycarbonate and the like.
- polyolefin resins such as polypropylene, polyethylene, and ethylene-vinyl acetate copolymer
- Copolymer polyamide, polyimide, polyurethane, polystyrene, polyvinyl alcohol, polyvinyl chloride, polyvinylidene chloride, polycarbonate and the like.
- the film supporting the vapor-deposited film may be either a stretched film or an unstretched film, preferably a stretched film, more preferably a biaxially stretched film.
- the thickness of the film supporting the vapor-deposited film is not particularly limited as long as the range of oxygen permeability at 40° C. and 50° C. described below can be provided. up to 40 ⁇ m, more preferably 18 to 30 ⁇ m.
- biaxially oriented polypropylene is a suitable example of a film that supports the vapor deposition film.
- OPP organic polypropylene
- the range of oxygen permeability at 40 ° C. and 50 ° C. described later is suitably provided, and a chemical warmer is accommodated. It is possible to remarkably suppress swelling and shrinkage of the outer bag during storage.
- the water vapor transmission rate at 40°C and 50°C is also low, providing excellent water vapor barrier properties even under high temperature conditions. can be done.
- the deposited film layer can be formed by depositing a metal and/or a metal compound on a film that serves as a support by a known deposition method such as physical vapor deposition or chemical vapor deposition.
- the outer bag film of the present invention preferably has a heat-fusible resin layer in addition to the vapor-deposited film layer.
- the heat-fusible resin layer is a layer formed of a heat-fusible resin, and is a layer arranged on one surface of the film for the outer bag (the inner surface in the case of the outer bag).
- the heat-fusible resin layer may be laminated so as to be in contact with the vapor-deposited film of the vapor-deposited film layer, or may be laminated so as to be in contact with the film (support) of the vapor-deposited film layer.
- the heat-fusible resin used for forming the heat-fusible resin layer is not particularly limited as long as it can be heat-fusible.
- Examples include polyethylene, polypropylene, polyolefins such as norbornene, and carboxylic acid-modified polyolefins. etc. These heat-fusible resins may be used singly or in combination of two or more. Among these heat-fusible resins, polyolefin is preferred, and polyethylene is more preferred.
- the thickness of the heat-fusible resin layer is not particularly limited as long as heat-fusibility is possible.
- the heat-fusible resin is applied to the vapor-deposited film layer, or a film made of the heat-fusible resin is adhered to the vapor-deposited film layer via an adhesive. You can do it.
- the outer bag film of the present invention preferably has a base film layer in addition to the vapor deposition film layer.
- the base film layer is a layer formed of a resin film, and is a layer arranged on one surface of the film for the outer bag (on the outer side when the outer bag is formed).
- the base film layer may be laminated so as to be in contact with the vapor-deposited film of the vapor-deposited film layer, or may be laminated so as to be in contact with the film (support) of the vapor-deposited film layer.
- the type of resin forming the base film layer is not particularly limited, but examples include polypropylene, polyethylene, ethylene-vinyl acetate copolymer, polyethylene terephthalate, polyacrylonitrile, ethylene-vinyl alcohol copolymer, polyamide, polyimide, Examples include polyurethane, polystyrene, polyvinyl alcohol, polyvinyl chloride, polyvinylidene chloride, and polycarbonate. Among these, polypropylene is preferred.
- the film forming the base film layer may be either a stretched film or an unstretched film, preferably a stretched film, more preferably a biaxially stretched film.
- the base film layer is preferably biaxially oriented polypropylene (OPP).
- OPP biaxially oriented polypropylene
- the thickness of the base film layer is not particularly limited as long as the range of oxygen permeability at 40° C. and 50° C. described below can be provided. ⁇ 30 ⁇ m.
- the vapor deposition film layer and the base film layer may be adhered via an adhesive.
- One embodiment of the outer bag film of the present invention includes a film that does not contain a high barrier layer other than the vapor deposited film layer.
- the high barrier layer is a layer that alone exhibits an oxygen permeability of 3 g/m 2 ⁇ day or less at 23° C., and corresponds to, for example, a metal foil layer. Note that the oxygen permeability at 23° C. is a value measured by the method described later.
- the outer bag film of the present invention has an oxygen permeability of 11.4 to 62.8 cc/m 2 ⁇ day ⁇ atm at 50°C.
- the outer bag film of the present invention can suppress swelling and shrinkage due to changes in internal pressure during high-temperature storage based on the following mechanism.
- hydrogen gas or the like is generated from the chemical warmer. If the oxygen permeability of the film for the outer bag is low at high temperatures, the gas generated inside cannot be released sufficiently to the outside, and the inner pressure of the outer bag rises, causing the outer bag to expand and the inner pressure of the outer bag to rise. Too much may cause the outer bag to burst.
- the oxygen permeability of the film for the outer bag is high at high temperatures, the gas generated inside is rapidly released to the outside, the pressure inside the outer bag becomes negative, the outer bag shrinks, and the appearance deteriorates. It will be.
- the oxygen permeability at 50° C. satisfies the above range, the generated gas can be released to the outside at a moderate rate when the temperature becomes high during storage, and the inner pressure It is possible to suppress swelling and shrinkage caused by changes.
- the oxygen permeability of the outer bag film of the present invention at 50° C. may be 11.4 to 62.8 cc/m 2 ⁇ day ⁇ atm, but the swelling during storage in the outer bag containing the chemical body warmer is sufficient. From the viewpoint of more effectively suppressing shrinkage, preferably 19.4 to 62.8 cc/m 2 ⁇ day ⁇ atm, more preferably 19.4 to 54.7 cc/m 2 ⁇ day ⁇ atm, and further Preferably, it is 24.7 to 54.7 cc/m 2 ⁇ day ⁇ atm.
- the oxygen permeability at 40° C. of the outer bag film of the present invention is not particularly limited, but is, for example, 5.7 to 26.7 cc/m 2 ⁇ day ⁇ atm, preferably 5.7 to 23.0 cc/m 2 ⁇ day ⁇ atm. 6 cc/m 2 ⁇ day ⁇ atm, more preferably 8.8 to 23.6 cc/m 2 ⁇ day ⁇ atm.
- the oxygen permeability at 40° C. satisfies the above range, it becomes possible to more effectively suppress swelling and shrinkage of the outer bag containing the chemical body warmer during storage.
- the oxygen permeability at 50 ° C. and 40 ° C. is in accordance with Japanese Industrial Standard JIS K7126-1:2006 "Plastics - Film and sheet - Gas permeability measurement test method - Part 2: Differential pressure method” , is a value obtained by using oxygen gas at a relative humidity of 0% and measuring the amount of permeating oxygen gas by a pressure sensor method.
- the oxygen permeability of the outer bag film of the present invention at 23°C is not particularly limited as long as the oxygen permeability at 40°C and 50°C satisfies the above ranges. 2 ⁇ day ⁇ atm or less, preferably 15 cc/m 2 ⁇ day ⁇ atm or less, more preferably 12.7 cc/m 2 ⁇ day ⁇ atm or less, and still more preferably 1 to 8 cc/m 2 ⁇ day ⁇ atm. .
- the oxygen permeability at 23 ° C. is measured in accordance with Japanese Industrial Standards JIS K7126-2:2006 "Plastics - Films and sheets - Gas permeability measurement test method - Part 2: Isobaric method", relative humidity 60%, using oxygen gas, the amount of permeated oxygen gas is measured by the electrolytic sensor method.
- the oxygen permeability is greatly affected by the physical properties of the vapor deposition film layer, in order to adjust the oxygen permeability at each temperature so that it falls within the above range, the material and thickness of the vapor deposition film in the vapor deposition film layer to be used , the material and thickness of the film (support) in the deposited film layer may be appropriately adjusted.
- the base film layer may also affect the oxygen permeability, in addition to the physical properties of the deposited film layer, by appropriately adjusting the material and thickness of the base film layer to be used, the oxygen permeability at each temperature can be improved. The transmittance can be adjusted to fall within the above range.
- the outer bag film of the present invention has a water vapor permeability. It preferably has a low degree and excellent water vapor barrier properties.
- the water vapor permeability at 30° C. of the film for outer bag of the present invention is, for example, 10 g/m 2 ⁇ day or less, preferably 8 g/m 2 ⁇ day or less, more preferably 5 g/m 2 ⁇ day or less, and further It is preferably 3 g/m 2 ⁇ day or less, particularly preferably 0.5 g/m 2 ⁇ day or less.
- the lower limit of the water vapor permeability at 30°C is not particularly limited, but examples thereof include 0 g/m 2 ⁇ day and 0.1 g/m 2 ⁇ day.
- the water vapor permeability at 40° C. is preferably 5 g/m 2 ⁇ day or less, more preferably 5 g/m 2 ⁇ day or less, from the viewpoint of providing excellent water vapor barrier properties during storage at high temperatures. 3.5 g/m 2 ⁇ day or less, more preferably 1 g/m 2 ⁇ day or less.
- the lower limit of the water vapor permeability at 40°C is not particularly limited, but examples thereof include 0 g/m 2 ⁇ day and 0.1 g/m 2 ⁇ day.
- the water vapor permeability at 50° C. is preferably 5 g/m 2 ⁇ day or less, more preferably 5 g/m 2 ⁇ day or less, more preferably, from the viewpoint of providing excellent water vapor barrier properties during storage at high temperatures. 4.5 g/m 2 ⁇ day or less, more preferably 3 g/m 2 ⁇ day or less, particularly preferably 1 g/m 2 ⁇ day or less.
- the lower limit of the water vapor permeability at 50°C is not particularly limited, but examples thereof include 0 g/m 2 ⁇ day and 0.1 g/m 2 ⁇ day.
- the water vapor transmission rate at 30 ° C., 40 ° C., and 50 ° C. is based on the Japanese Industrial Standard JIS Z0208-1976 "Moisture Permeability Test Method for Moisture-Proof Packaging Materials (Cup Method)", relative humidity 90%. It is a value measured under conditions.
- the material of the vapor deposition film in the vapor deposition film layer to be used in order to adjust the water vapor transmission rate at each temperature so that it falls within the above range, the material of the vapor deposition film in the vapor deposition film layer to be used, The thickness and the material and thickness of the film (support) in the deposited film layer may be appropriately adjusted.
- the base film layer since the base film layer may also affect the water vapor transmission rate, in addition to the physical properties of the deposited film layer, by appropriately adjusting the material and thickness of the base film layer to be used, the water vapor permeability at each temperature can be improved. The transmittance can be adjusted to fall within the above range.
- outer bag for chemical body warmers The outer bag film of the present invention is used for outer bags for containing chemical body warmers. That is, a chemical warmer containing an outer bag may be obtained by sealing the chemical warmer in the form of a bag made of the film for outer bag of the present invention.
- the outer bag film of the present invention In order to form the outer bag film of the present invention into a bag shape, two sheets of the outer bag film of the predetermined shape are superimposed and the peripheral edges are adhered to each other, or one sheet of the outer bag film of the predetermined shape is folded. The peripheral portion may be adhered with the adhesive. Further, when the film for outer bag of the present invention is provided with a heat-sealable layer, the heat-sealable layer can be heat-sealed and adhered to the film for outer bag of the present invention. If not provided, it can be adhered using an adhesive.
- the type of chemical body warmer to be accommodated in the outer bag formed of the outer bag film of the present invention is not particularly limited.
- a chemical body warmer containing the composition is exemplified.
- the type of oxidizable metal contained in the exothermic composition is not particularly limited as long as it can generate heat by oxidation.
- examples include iron (reduced iron, cast iron, atomized iron, electrolytic iron), aluminum, Metals such as zinc, manganese, magnesium, and calcium are included. These oxidizable metals may be used singly or in combination of two or more.
- the shape of the oxidizable metal is not particularly limited, but from the viewpoint of heat generation efficiency, it is preferably powdery, granular or fibrous, and more preferably powdery.
- the content of the oxidizable metal in the heat-generating composition is appropriately set according to the heat-generating property to be imparted. 60% by weight.
- the exothermic composition may contain a pro-oxidant, if necessary.
- Prooxidants play a role in retaining oxygen and supplying oxygen to oxidizable metals.
- the type of pro-oxidant is not particularly limited as long as it is capable of retaining oxygen and supplying oxygen to the oxidizable metal. Examples include activated carbon, carbon black, acetylene black, bamboo charcoal, charcoal, and coffee grounds. Carbon materials such as charcoal, graphite, coal, coconut shell charcoal, almond coal, peat and lignite can be mentioned.
- These antioxidants may be used singly or in combination of two or more. Among these antioxidants, activated carbon, carbon black, bamboo charcoal, charcoal and coffee grounds charcoal are preferred, and activated carbon is more preferred.
- the shape of the oxidation promoter is not particularly limited, but from the viewpoint of heat generation efficiency, it is preferably powdery, granular or fibrous, and more preferably powdery.
- the content of the oxidation promoter in the exothermic composition is appropriately set according to the exothermic properties to be imparted, and is, for example, 1 to 30% by weight, preferably 3 to 25% by weight, more preferably 4 to 25% by weight. % by weight.
- the exothermic composition may contain water, if necessary.
- Water plays a role of oxidizing the oxidizable metal together with oxygen.
- any of distilled water, ion-exchanged water, pure water, ultrapure water, tap water, industrial water, and the like may be used.
- the content of water in the heat-generating composition is appropriately set according to the heat-generating property to be imparted. mentioned.
- the exothermic composition may further contain water-soluble salts as necessary.
- water-soluble salts When water-soluble salts are contained, it becomes possible to promote oxidation of the oxidizable metal.
- the types of water-soluble salts are not particularly limited, but examples include alkali metals (sodium, potassium, etc.), alkaline earth metals (calcium, magnesium, etc.), or heavy metals (iron, copper, aluminum, zinc, nickel, silver, barium, etc.) sulfates, hydrogen carbonates, chlorides or hydroxides.
- chlorides such as sodium chloride, potassium chloride, calcium chloride, magnesium chloride, and ferric chloride (primary and secondary) are preferred from the viewpoint of electrical conductivity and chemical stability, and more preferably includes sodium chloride.
- water-soluble salts may be used singly or in combination of two or more.
- the content of the water-soluble salt in the heat-generating composition is appropriately set according to the heat-generating property to be imparted, and is, for example, 0.1-10% by weight, preferably 0.5-7% by weight, more preferably 0.5-7% by weight. is 1 to 5% by weight.
- the exothermic composition may contain a water retention agent, if necessary.
- the water retention agent plays a role of retaining water and supplying water to the oxidation reaction field.
- the type of water retention agent is not particularly limited, but examples include vermiculite, perlite, calcium silicate, magnesium silicate, kaolin, talc, smectite, mica, bentonite, calcium carbonate, silica gel, alumina, zeolite, and dioxide.
- Inorganic porous substances such as silicon and diatomaceous earth; organic substances such as pulp, wood flour (sawdust), cotton, starches, and celluloses; polyacrylic acid-based resins, polysulfonic acid-based resins, maleic anhydride-based resins, and polyacrylamide-based resins , polyvinyl alcohol-based resins, polyethylene oxide-based resins, polyaspartic acid-based resins, polyglutamic acid-based resins, and polyalginic acid-based resins.
- These water retention agents may be used singly or in combination of two or more. Among these water retention agents, vermiculite, polyacrylic acid-based resins, wood flour and pulp are preferred; vermiculite and polyacrylic acid-based resins are more preferred.
- the content of the water retention agent in the heat-generating composition is appropriately set according to the heat-generating property to be imparted, and is, for example, 1-20% by weight, preferably 3-15% by weight, more preferably 5-10% by weight.
- the exothermic composition may further contain other additives such as sequestering agents, perfumes, thickeners, excipients, surfactants, hydrogen generation inhibitors, etc., if necessary. .
- the exothermic composition can be prepared by mixing predetermined amounts of the components described above.
- the exothermic composition may be prepared in the presence of oxygen, but is preferably prepared under reduced pressure or in an inert gas atmosphere.
- the container (inner bag) for containing the exothermic composition may be at least partially air permeable, and a container conventionally used as a chemical body warmer may be used. can be done.
- a preferred example of the container is a container in which the peripheral edge portions of a breathable first sheet and a breathable or non-breathable second sheet are pasted together.
- the air-permeable first sheet include a nonwoven fabric, a woven fabric, an air-permeable resin sheet, and a laminate sheet in which a non-woven fabric or a woven fabric and an air-permeable resin sheet are laminated.
- the second sheet is breathable, its structure, material, water vapor permeability, etc. are the same as those of the first sheet.
- the second sheet is non-breathable, specifically, it may be a sheet having at least one non-breathable layer.
- the chemical body warmer may have an adhesive layer on one side of the container.
- the surface of the adhesive layer may be covered with a peelable release sheet and housed in the outer bag.
- biaxially stretched polypropylene film is sometimes abbreviated as "OPP”, polyethylene as “PE”, and polyethylene terephthalate film as "PET”.
- outer bag film was prepared by laminating an OPP layer (thickness 19 ⁇ m), an aluminum-deposited OPP layer (thickness 19 ⁇ m), and a PE layer (thickness 80 ⁇ m) in this order.
- the aluminum vapor deposition film of the aluminum vapor deposition OPP layer is arranged so as to be in contact with the OPP layer. are adhered by the dry lamination method.
- Example 2 An outer bag film was prepared by laminating an OPP layer (19 ⁇ m thick), an aluminum-deposited OPP layer (19 ⁇ m thick), and a PE layer (25 ⁇ m thick) in this order.
- the aluminum vapor deposition film of the aluminum vapor deposition OPP layer is arranged so as to be in contact with the OPP layer. are adhered by the dry lamination method.
- the aluminum-deposited OPP layer used in Example 2 is different from the aluminum-deposited OPP layer used in Example 1.
- Example 3 An outer bag film was prepared by laminating an alumina-deposited OPP layer (20 ⁇ m thick) and a PE layer (45 ⁇ m thick) in this order.
- the alumina-deposited film of the alumina-deposited OPP layer is arranged so as to be in contact with the OPP layer, and the alumina-deposited OPP layer and PE are bonded by a dry lamination method.
- OPP layer (thickness 20 ⁇ m), PE layer (thickness 15 ⁇ m; hereinafter, “first PE layer”), alumina deposition PET layer (thickness 12 ⁇ m), and PE layer (thickness 20 ⁇ m; hereinafter, “second PE layer”) were laminated in this order to prepare an outer bag film.
- the alumina-deposited PET layer is arranged so that the alumina-deposited film is in contact with the first PE layer.
- the OPP layer, the first PE layer and the alumina-deposited PET layer are adhered by sandwich lamination while extruding the PE forming the first PE layer.
- the alumina-deposited PET layer and the second PE layer are bonded by a single lamination method.
- An outer bag film was prepared by laminating an OPP layer (thickness 20 ⁇ m), an alumina deposition PET layer (thickness 12 ⁇ m), and a PE layer (thickness 15 ⁇ m) in this order.
- the alumina vapor-deposited PET layer of the alumina vapor-deposited PET layer is arranged so as to be in contact with the OPP layer, and the adhesion between the OPP layer and the alumina vapor-deposited PET layer, and the adhesion between the alumina vapor-deposited PET layer and the PE layer. are adhered by the dry lamination method.
- the alumina-deposited PET layer used in Comparative Example 2 is different from the alumina-deposited PET layer used in Comparative Example 1.
- An outer bag film was prepared by laminating an OPP layer (thickness 19 ⁇ m), an aluminum deposited PET layer (thickness 12 ⁇ m), and a PE layer (thickness 35 ⁇ m) in this order.
- the aluminum vapor-deposited PET layer is arranged so that the aluminum vapor-deposited film is in contact with the OPP, and the adhesion between the OPP layer and the aluminum vapor-deposited PET layer, and the adhesion between the aluminum vapor-deposited PET layer and the PE layer. are adhered by the dry lamination method.
- FIG. 1 shows a schematic plan view of a chemical warmer housed in an outer bag (chemical warmer in an outer bag). Note that the operation of storing the chemical warmers in the outer bag was quickly performed immediately after the chemical warmers were manufactured.
- Oxygen permeability at 23°C was measured at 60% relative humidity in accordance with Japanese Industrial Standards JIS K7126-2:2006 "Plastics - Films and sheets - Gas permeability measurement test method - Part 2: Isobaric method". Oxygen gas was used, and the amount of permeated oxygen gas was measured by an electrolytic sensor method. The measurement was performed with the back side of the film for the outer bag (the outermost layer side made of PE) placed on the side of the chamber into which the oxygen gas was introduced.
- Oxygen permeability at 40 ° C and 50 ° C is based on Japanese Industrial Standard JIS K7126-1:2006 "Plastics - Film and sheet - Gas permeability measurement test method - Part 2: Differential pressure method", relative humidity 0 %, using oxygen gas and measuring the amount of permeated oxygen gas by a pressure sensor method. The measurement was performed with the back side of the film for the outer bag (the outermost layer side made of PE) placed on the side of the chamber into which the oxygen gas was introduced.
- the swelling/shrinkage rate is a positive value, it indicates that the outer bag is swollen at the end of the test compared to the beginning of the test.
- a negative percentage indicates that the outer bag has shrunk at the end of the test compared to the beginning of the test.
- Table 2 shows the oxygen permeability and water vapor permeability (23 ° C.) of the outer bag films of Examples 1 to 3 and Comparative Examples 1 to 3, and the chemical warmers containing outer bags formed from these outer bag films. The results of measurement of expansion/shrinkage rate (%) are shown. When the outer bag films of Comparative Examples 1 to 3 were used, the swelling/shrinkage rate at 50°C exceeded +9%, and the swelling/shrinkage rate at 40°C also exceeded +5%. Puffing was not suppressed sufficiently.
- the swelling/shrinkage rate at 50°C was within the range of -10% to +9%
- the swelling/shrinkage rate at 40°C was within the range of -10% to +9%. It was within the range of ⁇ 5%, and the effect of suppressing puffing was excellent.
- the swelling/shrinkage rate (%) at 50 ° C. The outer bag should be formed from a film for the outer bag with an oxygen permeability of 11.4 to 62.8 cc/m 2 ⁇ day ⁇ atm, and the swelling / shrinkage rate (%) at 50 ° C. will be about +5% to - In order to keep it within the range of about 8%, the outer bag should be formed with a film for the outer bag that has an oxygen permeability of 19.4 to 62.8 cc/m 2 ⁇ day ⁇ atm at 50 ° C.
- the outer bag should be formed with a film for the outer bag with an oxygen permeability of 19.4 to 54.7 cc/m 2 ⁇ day ⁇ atm at 50 ° C.
- the oxygen permeability at 50°C should be 24.7 to 54.7 cc/m2 ⁇ day ⁇ atm. It has become clear that the outer bag may be formed from the outer bag film of .
- the swelling/shrinkage rate (%) at 40°C should be within the range of about +3% to -5%.
- the outer bag should be formed of a film for the outer bag with an oxygen permeability of 5.7 to 26.7 cc/m 2 ⁇ day ⁇ atm at 40 ° C.
- the swelling / shrinkage rate (%) at 40 ° C is ⁇
- the outer bag should be formed with a film for the outer bag with an oxygen permeability of 5.7 to 23.6 cc/m 2 ⁇ day ⁇ atm at 40 ° C.
- Table 3 shows the results of measuring the oxygen permeability at 30°C, 40°C, and 50°C for the outer bag films of Examples 1-3 and Comparative Examples 1-4.
- the outer bag films of Examples 1 to 3 containing the aluminum-deposited OPP were able to maintain a low oxygen permeability within the range of 30 to 50°C. It became clear that excellent gas barrier properties can be exhibited even at low temperatures.
- FIG. 4 shows the results of measuring the change over time in the exothermic temperature after opening the outer bagged body warmer stored at 40° C. for 3 months;
- the maximum temperature, duration, and average temperature after opening the outer pouched body warmers stored for 3 months are shown.
- the “maximum temperature” is the highest temperature while the chemical warmer is generating heat
- the “duration time” is the time from exceeding 40 ° C to less than 40 ° C
- the "average temperature ” is the average temperature during the duration.
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Thermal Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Food Science & Technology (AREA)
- Emergency Medicine (AREA)
- Packages (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Wrappers (AREA)
Abstract
Description
項1. 化学カイロを収容する外袋に使用されるフィルムであって、
金属及び/又は金属化合物を蒸着させた蒸着フィルム層を少なくとも含み、
50℃での酸素透過度が11.4~62.8cc/m2・day・atmである、外袋用フィルム。
項2. 40℃での酸素透過度が5.7~26.7cc/m2・day・atmである、項1に記載の外袋用フィルム。
項3. 40℃での水蒸気透過度が5g/m2・day以下である、項1又は2に記載の外袋用フィルム。
項4. 前記蒸着フィルム層が、アルミ蒸着フィルム又はアルミナ蒸着フィルムである、項1~3のいずれかに記載の外袋用フィルム。
項5. 前記蒸着フィルム層が、金属及び/又は金属化合物を蒸着させたポリオレフィン系樹脂フィルムである、項1~4のいずれかに記載の外袋用フィルム。
項6. 前記ポリオレフィン系樹脂フィルムが、二軸延伸ポリプロピレンフィルムである、項5に記載の外袋用フィルム。
項7. 基材フィルム層、前記蒸着フィルム層、及び熱溶着性樹脂層がこの順に積層している、項1~6のいずれかに記載の外袋用フィルム。
項8. 項1~7のいずれかに記載の外袋用フィルムで形成された外袋に、化学カイロが収容されている、外袋入り化学カイロ。
項9. 金属及び/又は金属化合物を蒸着させた蒸着フィルム層を少なくとも含み、且つ50℃での酸素透過度が11.4~62.8cc/m2・day・atmであるフィルムの、化学カイロを収容する外袋としての使用。
本発明の外袋用フィルムは、化学カイロを収容する外袋の形成に使用されるフィルムであって、金属及び/又は金属化合物を蒸着させた蒸着フィルム層を少なくとも含み、50℃での酸素透過度が11.4~62.8cc/m2・day・atmであることを特徴とする。以下、本発明の外袋用フィルムについて詳述する。
本発明の外袋用フィルムは、金属及び/又は金属化合物を蒸着させた蒸着フィルム層を少なくとも含む。
本発明の外袋用フィルムは、50℃での酸素透過度が11.4~62.8cc/m2・day・atmを満たす。蒸着フィルム層を含み、且つこのような50℃での酸素透過度の範囲を満たすことにより、化学カイロを収容した外袋における高温保存時の内圧変化に起因する膨潤や収縮を抑制することが可能になる。
化学カイロの発熱性組成物に含まれる水が外部に放出するのを抑制し、また外部の水蒸気が外袋内に侵入するのを抑制するために、本発明の外袋用フィルムは、水蒸気透過度が低く、優れた水蒸気バリア性を有していることが好ましい。
本発明の外袋用フィルムは、化学カイロを収容するための外袋に使用される。即ち、本発明の外袋用フィルムを袋状にして化学カイロを密封することにより外袋入り化学カイロにすればよい。
[実施例1]
OPP層(厚さ19μm)、アルミ蒸着OPP層(厚さ19μm)、及びPE層(厚さ80μm)をこの順に積層させた外袋用フィルムを準備した。当該外袋用フィルムでは、アルミ蒸着OPP層のアルミ蒸着膜がOPP層と接するように配されており、OPP層とアルミ蒸着OPP層と間の接着、及びアルミ蒸着OPP層とPE層との間は、ドライラミネート法により接着されている。
OPP層(厚さ19μm)、アルミ蒸着OPP層(厚さ19μm)、及びPE層(厚さ25μm)をこの順に積層させた外袋用フィルムを準備した。当該外袋用フィルムでは、アルミ蒸着OPP層のアルミ蒸着膜がOPP層と接するように配されており、OPP層とアルミ蒸着OPP層と間の接着、及びアルミ蒸着OPP層とPE層との間は、ドライラミネート法により接着されている。なお、実施例2で使用したアルミ蒸着OPP層は、実施例1で使用したアルミ蒸着OPP層とは異なるものである。
アルミナ蒸着OPP層(厚さ20μm)、及びPE層(厚さ45μm)をこの順に積層させた外袋用フィルムを準備した。当該外袋用フィルムでは、アルミナ蒸着OPP層のアルミナ蒸着膜がOPP層と接するように配されており、アルミナ蒸着OPP層とPEと層の間は、ドライラミネート法により接着されている。
OPP層(厚さ20μm)、PE層(厚さ15μm;以下、「第1PE層」)、アルミナ蒸着PET層(厚さ12μm)、及びPE層(厚さ20μm;以下、「第2PE層」)をこの順に積層させた外袋用フィルムを準備した。当該外袋用フィルムでは、アルミナ蒸着PET層のアルミナ蒸着膜が第1PE層と接するように配されている。OPP層、第1PE層及びアルミナ蒸着PET層は、第1PE層を形成するPEを押し出しながらサンドイッチラミネート法を行うことにより接着されている。また、アルミナ蒸着PET層と第2PE層との間は、シングルラミネート法により接着されている。
OPP層(厚さ20μm)、アルミナ蒸着PET層(厚さ12μm)、及びPE層(厚さ15μm)をこの順に積層させた外袋用フィルムを準備した。当該外袋用フィルムでは、アルミナ蒸着PET層のアルミナ蒸着膜がOPP層と接するように配されており、OPP層とアルミナ蒸着PET層と間の接着、及びアルミナ蒸着PET層とPE層との間は、ドライラミネート法により接着されている。なお、比較例2で使用したアルミナ蒸着PET層は、比較例1で使用したアルミナ蒸着PET層とは異なるものである。
OPP層(厚さ19μm)、アルミ蒸着PET層(厚さ12μm)、及びPE層(厚さ35μm)をこの順に積層させた外袋用フィルムを準備した。当該外袋用フィルムでは、アルミ蒸着PET層のアルミ蒸着膜がOPPと層接するように配されており、OPP層とアルミ蒸着PET層と間の接着、及びアルミ蒸着PET層とPE層との間は、ドライラミネート法により接着されている。
ポリ塩化ビニリデンがコーティングされているOPP層(厚さ30μm)、PE層(厚さ15μm;以下、「第1PE層」)、PE層(厚さ15μm;以下、「第2PE層」)をこの順に積層させた外袋用フィルムを準備した。当該外袋用フィルムでは、ポリ塩化ビニリデンがコーティングされているOPP層のポリ塩化ビニリデンコート膜側が第1PE層と接するように配されている。ポリ塩化ビニリデンがコーティングされているOPP層、第1PE層及び第2PE層は、第1PE層を形成するPEを押し出しながらサンドイッチラミネート法を行うことにより接着されている。
表1に示す組成の発熱性組成物を調製した。得られた発熱性組成物21.2gを、ナイロンスパンボンド(目付35g/m2)、ポリエチレン層(厚さ20μm)、及びメタロセンポリエチレン層(厚さ20μm)がこの順に積層されている積層シートで形成した収容体に収容することにより、化学カイロを製造した。なお、収容体は、50mm×90mmの平面視長方形の袋体であり、収容した発熱性組成物が漏れ出さないように端部を熱融着されている。
前記各外袋用フィルムを120mm×160mmの長方形に裁断したものを2枚準備した。1枚の外袋用フィルムの上に、前記化学カイロ2個を外袋用フィルムの長辺方向に均等に並べて置き、更にもう1枚の外袋用フィルムをその上に被せた。この際、2枚の外袋用フィルムは、それぞれのPE層(熱融着性樹脂層)が対向するように配し、OPP層(基材樹脂層)が外袋の外側になるように配した。この状態で、外袋用フィルムの端部と、外袋用フィルムの長辺方向の中心部を短辺方向にヒートシールすることにより、外袋に化学カイロを収容して密封した。外袋に収容した化学カイロ(外袋入り化学カイロ)の平面視模式図を図1に示す。なお、化学カイロの外袋への収容作業は、化学カイロの製造直後に素早く行った。
23℃、40℃、及び50℃の温度条件で、実施例1~3及び比較例1~3の外袋用フィルムの酸素透過度を測定した。
30℃、40℃、及び50℃の温度条件で、実施例1~3及び比較例1~4の外袋用フィルムの水蒸気透過度を測定した。水蒸気透過度の測定は、日本工業規格JIS Z0208―1976「防湿包装材料の透湿度試験方法(カップ法)」に準拠して、相対湿度90%の条件で、外袋用フィルムの熱融着樹脂層側がカップの内側になるように配して行った。
実施例1~3及び比較例1~3の外袋用フィルムを使用した外袋入り化学カイロを、40℃で相対湿度75%の雰囲気、及び50℃相対湿度50%の雰囲気に6週間保存した。保存前及び保存後の外袋のパフィングの程度を以下の方法で測定した。
実施例2及び比較例3の外袋用フィルムを使用した外袋入り化学カイロの保存安定性について評価した。具体的には、外袋入り化学カイロを40℃又は50℃で3ヶ月間保存した後に、外袋から化学カイロを取り出して、日本工業規格JIS S 4100-1996「使いすてかいろ」の「6.6 温度特性」に記載の「はらないタイプ」の測定方法に準じて、発熱特性を測定した。また、比較のために調製直後の化学カイロ(コントロール)についても、同様の方法で発熱特性を測定した。なお、本試験はn=6で実施した。
表2に、実施例1~3及び比較例1~3の外袋用フィルムの酸素透過度、水蒸気透過度(23℃)、及びこれらの外袋用フィルムで形成した外袋入り化学カイロの膨張・収縮率(%)を測定した結果を示す。比較例1~3の外袋用フィルムを使用した場合には、50℃での膨潤・収縮率が+9%を超えており、更に40℃での膨潤・収縮率も+5%を超えており、パフィングを十分に抑制できていなかった。これに対して、実施例1~3の外袋用フィルムを使用した場合では、50℃での膨潤・収縮率が-10~+9%の範囲内であり、更に40℃の膨潤・収縮率が±5%の範囲内であり、パフィングの抑制効果が優れていた。
2 外袋
2a ヒートシール部
Claims (8)
- 化学カイロを収容する外袋に使用されるフィルムであって、 金属及び/又は金属化合物を蒸着させた蒸着フィルム層を少なくとも含み、 50℃での酸素透過度が11.4~62.8cc/m2・day・atmである、外袋用フィルム。
- 40℃での酸素透過度が5.7~26.7cc/m2・day・atmである、請求項1に記載の外袋用フィルム。
- 40℃での水蒸気透過度が5g/m2・day以下である、請求項1又は2に記載の外袋用フィルム。
- 前記蒸着フィルム層が、アルミ蒸着フィルム又はアルミナ蒸着フィルムである、請求項1~3のいずれかに記載の外袋用フィルム。
- 前記蒸着フィルム層が、金属及び/又は金属化合物を蒸着させたポリオレフィン系樹脂フィルムである、請求項1~4のいずれかに記載の外袋用フィルム。
- 前記ポリオレフィン系樹脂フィルムが、二軸延伸ポリプロピレンフィルムである、請求項5に記載の外袋用フィルム。
- 基材フィルム層、前記蒸着フィルム層、及び熱溶着性樹脂層がこの順に積層している、請求項1~6のいずれかに記載の外袋用フィルム。
- 請求項1~7のいずれかに記載の外袋用フィルムで形成された外袋に、化学カイロが収容されている、外袋入り化学カイロ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2022248578A AU2022248578A1 (en) | 2021-04-02 | 2022-03-23 | Film used for outer bag for chemical body warmer |
CN202280018837.1A CN116916861A (zh) | 2021-04-02 | 2022-03-23 | 化学取暖品用外袋用膜 |
GB2315450.3A GB2620071A (en) | 2021-04-02 | 2022-03-23 | Film used for outer bag for chemical body warmer |
KR1020237033816A KR20230165242A (ko) | 2021-04-02 | 2022-03-23 | 화학 회로용 아우터 백용 필름 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-063528 | 2021-04-02 | ||
JP2021063528A JP2022158547A (ja) | 2021-04-02 | 2021-04-02 | 化学カイロ用外袋用フィルム |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022210193A1 true WO2022210193A1 (ja) | 2022-10-06 |
Family
ID=83456755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/013659 WO2022210193A1 (ja) | 2021-04-02 | 2022-03-23 | 化学カイロ用外袋用フィルム |
Country Status (7)
Country | Link |
---|---|
JP (1) | JP2022158547A (ja) |
KR (1) | KR20230165242A (ja) |
CN (1) | CN116916861A (ja) |
AU (1) | AU2022248578A1 (ja) |
GB (1) | GB2620071A (ja) |
TW (1) | TW202302052A (ja) |
WO (1) | WO2022210193A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002120860A (ja) * | 2000-10-13 | 2002-04-23 | Dainippon Printing Co Ltd | ケミカルカイロ用外袋構成包材およびそれを使用したケミカルカイロ用外袋 |
JP2002200108A (ja) * | 2000-12-28 | 2002-07-16 | Maikooru Kk | 防湿性包装材、それを使用した発熱体用防湿性外袋、発熱体用防湿性まとめ包装袋等の防湿性包装用容器並びにそれらに収納された発熱体 |
JP2006347582A (ja) * | 2005-06-15 | 2006-12-28 | Kao Corp | 包装袋 |
JP2017007713A (ja) * | 2015-06-23 | 2017-01-12 | 小林製薬株式会社 | 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ |
WO2017109945A1 (ja) * | 2015-12-25 | 2017-06-29 | 小林製薬株式会社 | 使い捨てカイロ包装用外袋及び使い捨てカイロ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3693424B2 (ja) | 1996-07-03 | 2005-09-07 | 同和鉄粉工業株式会社 | 反応剤用鉄粉の製造方法 |
JP2001077713A (ja) * | 1999-09-02 | 2001-03-23 | Toshiba Corp | デジタル放送受信装置 |
JP2008222763A (ja) | 2007-03-09 | 2008-09-25 | Powdertech Co Ltd | 発熱性組成物用還元鉄粉及びその製造方法並びに発熱性組成物 |
-
2021
- 2021-04-02 JP JP2021063528A patent/JP2022158547A/ja active Pending
-
2022
- 2022-02-24 TW TW111106664A patent/TW202302052A/zh unknown
- 2022-03-23 CN CN202280018837.1A patent/CN116916861A/zh active Pending
- 2022-03-23 KR KR1020237033816A patent/KR20230165242A/ko unknown
- 2022-03-23 WO PCT/JP2022/013659 patent/WO2022210193A1/ja active Application Filing
- 2022-03-23 GB GB2315450.3A patent/GB2620071A/en active Pending
- 2022-03-23 AU AU2022248578A patent/AU2022248578A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002120860A (ja) * | 2000-10-13 | 2002-04-23 | Dainippon Printing Co Ltd | ケミカルカイロ用外袋構成包材およびそれを使用したケミカルカイロ用外袋 |
JP2002200108A (ja) * | 2000-12-28 | 2002-07-16 | Maikooru Kk | 防湿性包装材、それを使用した発熱体用防湿性外袋、発熱体用防湿性まとめ包装袋等の防湿性包装用容器並びにそれらに収納された発熱体 |
JP2006347582A (ja) * | 2005-06-15 | 2006-12-28 | Kao Corp | 包装袋 |
JP2017007713A (ja) * | 2015-06-23 | 2017-01-12 | 小林製薬株式会社 | 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ |
WO2017109945A1 (ja) * | 2015-12-25 | 2017-06-29 | 小林製薬株式会社 | 使い捨てカイロ包装用外袋及び使い捨てカイロ |
Also Published As
Publication number | Publication date |
---|---|
JP2022158547A (ja) | 2022-10-17 |
KR20230165242A (ko) | 2023-12-05 |
AU2022248578A1 (en) | 2023-10-26 |
TW202302052A (zh) | 2023-01-16 |
CN116916861A (zh) | 2023-10-20 |
GB2620071A (en) | 2023-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW403720B (en) | Oxygen generating agent, carbon dioxide gas absorbent, the transport system and the transport method of living fish | |
EP2052183B1 (en) | Oxygen activated heater and methods of manufacturing same | |
JPS60174455A (ja) | 屈曲性電気化学加熱具 | |
JPH08500280A (ja) | 酸素吸収剤 | |
JP4749050B2 (ja) | 包装袋 | |
JP2014221514A (ja) | 吸湿性フィルムおよび包装体 | |
JPH08197692A (ja) | ガスバリヤー積層材 | |
JP6553337B2 (ja) | 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ | |
CN108472152B (zh) | 一次性暖贴包装用外袋和一次性暖贴 | |
WO2022210193A1 (ja) | 化学カイロ用外袋用フィルム | |
WO2014157726A1 (ja) | 発熱組成物およびそれを用いた使い捨てカイロ | |
US20240174420A1 (en) | Film used for outer bag for chemical body warmer | |
JP2009179330A (ja) | アルコール揮散剤 | |
JP4131030B2 (ja) | 脱酸素剤組成物、脱酸素剤包装体および物品の保存方法 | |
CN108430403B (zh) | 一次性暖贴包装用外袋和一次性暖贴 | |
JP2006103761A (ja) | 含水率調整包装袋とこの袋で包装した含水量調整包装体 | |
JP4595167B2 (ja) | 梱包体 | |
EP3965626A1 (en) | Oxygen activated heater and method of manufacturing the same | |
JP2022102592A (ja) | 化学カイロ用の被酸化性金属粉末、及び化学カイロ | |
JP2020082624A (ja) | ガス吸収フィルム | |
JP2879697B2 (ja) | 使い捨てカイロの長期保存方法 | |
WO2014157725A1 (ja) | 発熱組成物及びそれを用いた使い捨てカイロ | |
JPH11216157A (ja) | 発熱袋を収納したまとめ包装袋 | |
JP2002284216A (ja) | 脱酸素機能を有する蓋 | |
JP2009082281A (ja) | 発熱袋 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22780407 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280018837.1 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2301006143 Country of ref document: TH |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18553444 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: AU2022248578 Country of ref document: AU Ref document number: 2022248578 Country of ref document: AU |
|
ENP | Entry into the national phase |
Ref document number: 202315450 Country of ref document: GB Kind code of ref document: A Free format text: PCT FILING DATE = 20220323 |
|
ENP | Entry into the national phase |
Ref document number: 2022248578 Country of ref document: AU Date of ref document: 20220323 Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11202307333U Country of ref document: SG |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 22780407 Country of ref document: EP Kind code of ref document: A1 |