WO2018164207A1 - エレクトレット化シートおよびフィルター - Google Patents
エレクトレット化シートおよびフィルター Download PDFInfo
- Publication number
- WO2018164207A1 WO2018164207A1 PCT/JP2018/008877 JP2018008877W WO2018164207A1 WO 2018164207 A1 WO2018164207 A1 WO 2018164207A1 JP 2018008877 W JP2018008877 W JP 2018008877W WO 2018164207 A1 WO2018164207 A1 WO 2018164207A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- surface layer
- electret sheet
- high dielectric
- electret
- Prior art date
Links
- 239000010410 layer Substances 0.000 claims abstract description 195
- 239000002344 surface layer Substances 0.000 claims abstract description 147
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 54
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 230000003068 static effect Effects 0.000 claims abstract description 21
- 230000005611 electricity Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 229920005672 polyolefin resin Polymers 0.000 claims description 8
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 5
- 229920003169 water-soluble polymer Polymers 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 24
- 230000009467 reduction Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 66
- -1 monocyclic compound Chemical group 0.000 description 50
- 239000012790 adhesive layer Substances 0.000 description 39
- 238000004519 manufacturing process Methods 0.000 description 32
- 239000000203 mixture Substances 0.000 description 32
- 229920000642 polymer Polymers 0.000 description 32
- 229920005989 resin Polymers 0.000 description 28
- 239000011347 resin Substances 0.000 description 28
- 239000000047 product Substances 0.000 description 25
- 230000001070 adhesive effect Effects 0.000 description 23
- 239000000853 adhesive Substances 0.000 description 22
- 230000008569 process Effects 0.000 description 21
- 239000003989 dielectric material Substances 0.000 description 18
- 229920001577 copolymer Polymers 0.000 description 16
- 239000000523 sample Substances 0.000 description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 14
- 230000001965 increasing effect Effects 0.000 description 14
- 238000002360 preparation method Methods 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- 238000005406 washing Methods 0.000 description 13
- 239000007787 solid Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 239000004743 Polypropylene Substances 0.000 description 9
- 208000028659 discharge Diseases 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 239000012766 organic filler Substances 0.000 description 9
- 229920001155 polypropylene Polymers 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 239000002216 antistatic agent Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000012948 isocyanate Substances 0.000 description 8
- 239000003973 paint Substances 0.000 description 8
- 239000011342 resin composition Substances 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 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 7
- 230000015556 catabolic process Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 150000005846 sugar alcohols Polymers 0.000 description 7
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000003379 elimination reaction Methods 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 238000003475 lamination Methods 0.000 description 6
- 229920000768 polyamine Polymers 0.000 description 6
- 229920005862 polyol Polymers 0.000 description 6
- 150000003077 polyols Chemical class 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 238000003851 corona treatment Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 5
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 229920003355 Novatec® Polymers 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 4
- 238000006482 condensation reaction Methods 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008030 elimination Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- RLAWWYSOJDYHDC-BZSNNMDCSA-N lisinopril Chemical compound C([C@H](N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(O)=O)C(O)=O)CC1=CC=CC=C1 RLAWWYSOJDYHDC-BZSNNMDCSA-N 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920005596 polymer binder Polymers 0.000 description 4
- 239000002491 polymer binding agent Substances 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 229920002873 Polyethylenimine Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000012760 heat stabilizer Substances 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 3
- 239000004611 light stabiliser Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 150000007519 polyprotic acids Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- HCNHNBLSNVSJTJ-UHFFFAOYSA-N 1,1-Bis(4-hydroxyphenyl)ethane Chemical compound C=1C=C(O)C=CC=1C(C)C1=CC=C(O)C=C1 HCNHNBLSNVSJTJ-UHFFFAOYSA-N 0.000 description 2
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 description 2
- RYPKRALMXUUNKS-UHFFFAOYSA-N 2-Hexene Natural products CCCC=CC RYPKRALMXUUNKS-UHFFFAOYSA-N 0.000 description 2
- RNIHAPSVIGPAFF-UHFFFAOYSA-N Acrylamide-acrylic acid resin Chemical compound NC(=O)C=C.OC(=O)C=C RNIHAPSVIGPAFF-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical class C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 2
- HTVITOHKHWFJKO-UHFFFAOYSA-N Bisphenol B Chemical compound C=1C=C(O)C=CC=1C(C)(CC)C1=CC=C(O)C=C1 HTVITOHKHWFJKO-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000004716 Ethylene/acrylic acid copolymer Substances 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 239000013590 bulk material Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010227 cup method (microbiological evaluation) Methods 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 150000002440 hydroxy compounds Chemical class 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 229910052740 iodine Inorganic materials 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
- 238000010030 laminating Methods 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 229920000128 polypyrrole Polymers 0.000 description 2
- 229920005990 polystyrene resin Polymers 0.000 description 2
- 229920000123 polythiophene Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229920001384 propylene homopolymer Polymers 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- XFNJVJPLKCPIBV-UHFFFAOYSA-N trimethylenediamine Chemical compound NCCCN XFNJVJPLKCPIBV-UHFFFAOYSA-N 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- CSPHGSFZFWKVDL-UHFFFAOYSA-M (3-chloro-2-hydroxypropyl)-trimethylazanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC(O)CCl CSPHGSFZFWKVDL-UHFFFAOYSA-M 0.000 description 1
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- 229920003067 (meth)acrylic acid ester copolymer Polymers 0.000 description 1
- MTZUIIAIAKMWLI-UHFFFAOYSA-N 1,2-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC=C1N=C=O MTZUIIAIAKMWLI-UHFFFAOYSA-N 0.000 description 1
- 150000000180 1,2-diols Chemical class 0.000 description 1
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 1
- PVOAHINGSUIXLS-UHFFFAOYSA-N 1-Methylpiperazine Chemical compound CN1CCNCC1 PVOAHINGSUIXLS-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- JCTXKRPTIMZBJT-UHFFFAOYSA-N 2,2,4-trimethylpentane-1,3-diol Chemical compound CC(C)C(O)C(C)(C)CO JCTXKRPTIMZBJT-UHFFFAOYSA-N 0.000 description 1
- FFQALBCXGPYQGT-UHFFFAOYSA-N 2,4-difluoro-5-(trifluoromethyl)aniline Chemical compound NC1=CC(C(F)(F)F)=C(F)C=C1F FFQALBCXGPYQGT-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 1
- DJOYTAUERRJRAT-UHFFFAOYSA-N 2-(n-methyl-4-nitroanilino)acetonitrile Chemical compound N#CCN(C)C1=CC=C([N+]([O-])=O)C=C1 DJOYTAUERRJRAT-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- NWYDEWXSKCTWMJ-UHFFFAOYSA-N 2-methylcyclohexane-1,1-diamine Chemical compound CC1CCCCC1(N)N NWYDEWXSKCTWMJ-UHFFFAOYSA-N 0.000 description 1
- 125000003504 2-oxazolinyl group Chemical group O1C(=NCC1)* 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 1
- ZGZVGZCIFZBNCN-UHFFFAOYSA-N 4,4'-(2-Methylpropylidene)bisphenol Chemical compound C=1C=C(O)C=CC=1C(C(C)C)C1=CC=C(O)C=C1 ZGZVGZCIFZBNCN-UHFFFAOYSA-N 0.000 description 1
- RXNYJUSEXLAVNQ-UHFFFAOYSA-N 4,4'-Dihydroxybenzophenone Chemical compound C1=CC(O)=CC=C1C(=O)C1=CC=C(O)C=C1 RXNYJUSEXLAVNQ-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-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
- NZGQHKSLKRFZFL-UHFFFAOYSA-N 4-(4-hydroxyphenoxy)phenol Chemical compound C1=CC(O)=CC=C1OC1=CC=C(O)C=C1 NZGQHKSLKRFZFL-UHFFFAOYSA-N 0.000 description 1
- RSSGMIIGVQRGDS-UHFFFAOYSA-N 4-[(4-hydroxyphenyl)-phenylmethyl]phenol Chemical compound C1=CC(O)=CC=C1C(C=1C=CC(O)=CC=1)C1=CC=CC=C1 RSSGMIIGVQRGDS-UHFFFAOYSA-N 0.000 description 1
- WZDLEYNMGWZAEJ-UHFFFAOYSA-N 4-[1-(4-hydroxy-3,5-dimethylphenyl)ethyl]-2,6-dimethylphenol Chemical compound C=1C(C)=C(O)C(C)=CC=1C(C)C1=CC(C)=C(O)C(C)=C1 WZDLEYNMGWZAEJ-UHFFFAOYSA-N 0.000 description 1
- ODJUOZPKKHIEOZ-UHFFFAOYSA-N 4-[2-(4-hydroxy-3,5-dimethylphenyl)propan-2-yl]-2,6-dimethylphenol Chemical compound CC1=C(O)C(C)=CC(C(C)(C)C=2C=C(C)C(O)=C(C)C=2)=C1 ODJUOZPKKHIEOZ-UHFFFAOYSA-N 0.000 description 1
- KKBHVPNWMXTNBL-UHFFFAOYSA-N 4-[2-(4-hydroxy-3-methylphenyl)butan-2-yl]-2-methylphenol Chemical compound C=1C=C(O)C(C)=CC=1C(C)(CC)C1=CC=C(O)C(C)=C1 KKBHVPNWMXTNBL-UHFFFAOYSA-N 0.000 description 1
- VHLLJTHDWPAQEM-UHFFFAOYSA-N 4-[2-(4-hydroxyphenyl)-4-methylpentan-2-yl]phenol Chemical compound C=1C=C(O)C=CC=1C(C)(CC(C)C)C1=CC=C(O)C=C1 VHLLJTHDWPAQEM-UHFFFAOYSA-N 0.000 description 1
- RQQYPGZACLPRDX-UHFFFAOYSA-N 4-butyl-2,6-dimethylphenol Chemical compound CCCCC1=CC(C)=C(O)C(C)=C1 RQQYPGZACLPRDX-UHFFFAOYSA-N 0.000 description 1
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RZXLPPRPEOUENN-UHFFFAOYSA-N Chlorfenson Chemical compound C1=CC(Cl)=CC=C1OS(=O)(=O)C1=CC=C(Cl)C=C1 RZXLPPRPEOUENN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical compound OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OMRDSWJXRLDPBB-UHFFFAOYSA-N N=C=O.N=C=O.C1CCCCC1 Chemical compound N=C=O.N=C=O.C1CCCCC1 OMRDSWJXRLDPBB-UHFFFAOYSA-N 0.000 description 1
- PEYZIFREGNMXEE-UHFFFAOYSA-N N=C=O.N=C=O.C1CCCCC1C(C)(C)C1CCCCC1 Chemical compound N=C=O.N=C=O.C1CCCCC1C(C)(C)C1CCCCC1 PEYZIFREGNMXEE-UHFFFAOYSA-N 0.000 description 1
- WMTLVUCMBWBYSO-UHFFFAOYSA-N N=C=O.N=C=O.C=1C=CC=CC=1OC1=CC=CC=C1 Chemical compound N=C=O.N=C=O.C=1C=CC=CC=1OC1=CC=CC=C1 WMTLVUCMBWBYSO-UHFFFAOYSA-N 0.000 description 1
- IIGAAOXXRKTFAM-UHFFFAOYSA-N N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C Chemical compound N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C IIGAAOXXRKTFAM-UHFFFAOYSA-N 0.000 description 1
- SGXQOOUIOHVMEJ-UHFFFAOYSA-N N=C=O.N=C=O.CCCCCCCCCCCC Chemical compound N=C=O.N=C=O.CCCCCCCCCCCC SGXQOOUIOHVMEJ-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Natural products OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229920010524 Syndiotactic polystyrene Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 description 1
- WOIHABYNKOEWFG-UHFFFAOYSA-N [Sr].[Ba] Chemical compound [Sr].[Ba] WOIHABYNKOEWFG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- IMUDHTPIFIBORV-UHFFFAOYSA-N aminoethylpiperazine Chemical compound NCCN1CCNCC1 IMUDHTPIFIBORV-UHFFFAOYSA-N 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 229910021523 barium zirconate Inorganic materials 0.000 description 1
- DQBAOWPVHRWLJC-UHFFFAOYSA-N barium(2+);dioxido(oxo)zirconium Chemical compound [Ba+2].[O-][Zr]([O-])=O DQBAOWPVHRWLJC-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 235000012216 bentonite Nutrition 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
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 1
- VBICKXHEKHSIBG-UHFFFAOYSA-N beta-monoglyceryl stearate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- CFSBAEQVIFJPLE-UHFFFAOYSA-L calcium sodium 2,3-dihydroxybutanedioate Chemical compound [Ca+2].C(=O)([O-])C(O)C(O)C(=O)[O-].[Na+] CFSBAEQVIFJPLE-UHFFFAOYSA-L 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- DHZSIQDUYCWNSB-UHFFFAOYSA-N chloroethene;1,1-dichloroethene Chemical compound ClC=C.ClC(Cl)=C DHZSIQDUYCWNSB-UHFFFAOYSA-N 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- VKIRRGRTJUUZHS-UHFFFAOYSA-N cyclohexane-1,4-diamine Chemical compound NC1CCC(N)CC1 VKIRRGRTJUUZHS-UHFFFAOYSA-N 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- XXKOQQBKBHUATC-UHFFFAOYSA-N cyclohexylmethylcyclohexane Chemical compound C1CCCCC1CC1CCCCC1 XXKOQQBKBHUATC-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- KEIQPMUPONZJJH-UHFFFAOYSA-N dicyclohexylmethanediamine Chemical compound C1CCCCC1C(N)(N)C1CCCCC1 KEIQPMUPONZJJH-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- VNGOYPQMJFJDLV-UHFFFAOYSA-N dimethyl benzene-1,3-dicarboxylate Chemical compound COC(=O)C1=CC=CC(C(=O)OC)=C1 VNGOYPQMJFJDLV-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 150000002391 heterocyclic compounds Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead nitrate Chemical compound [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 235000014786 phosphorus Nutrition 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920005553 polystyrene-acrylate Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920006230 thermoplastic polyester resin Polymers 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002982 water resistant material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1692—Other shaped material, e.g. perforated or porous sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/28—Plant or installations without electricity supply, e.g. using electrets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B23/048—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B23/08—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/045—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
- B32B27/205—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents the fillers creating voids or cavities, e.g. by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/028—Electrets, i.e. having a permanently-polarised dielectric having a heterogeneous dielectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0435—Electret
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1208—Porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/50—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
- B32B2038/0028—Stretching, elongating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/04—4 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/05—5 or more layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
- B32B2255/102—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer synthetic resin or rubber layer being a foamed layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/025—Acrylic resin particles, e.g. polymethyl methacrylate or ethylene-acrylate copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0264—Polyamide particles
- B32B2264/0271—Aromatic polyamide particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0278—Polyester particles
- B32B2264/0285—PET or PBT
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/104—Oxysalt, e.g. carbonate, sulfate, phosphate or nitrate particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/107—Ceramic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/204—Di-electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2310/00—Treatment by energy or chemical effects
- B32B2310/14—Corona, ionisation, electrical discharge, plasma treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
- B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
- B32B37/182—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only one or more of the layers being plastic
- B32B37/185—Laminating sheets, panels or inserts between two discrete plastic layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
Definitions
- the present invention relates to an electret sheet and a filter using the same. More specifically, the present invention relates to a charge-type air filter that has low pressure loss, excellent dust and dust filtration efficiency, and can easily recover dust collection efficiency even after washing.
- a structure having voids obtained by forming a specific three-dimensional structure by continuously bending and laminating a film is known. Furthermore, there is known an electret filter based on the principle that when a film is charged (electretized) in the structure and air containing dust or dust is circulated in a gap, dust or dust is adsorbed by electrostatic force.
- Patent Document 1 discloses a filter in which an air flow path is formed using an electret sheet, the porosity of the electret sheet is 1 to 70%, and the air flow path cross section of the filter A filter is disclosed wherein the rate is 10-99% and the space charge density of the filter is 10-5000 nC / cm 3 .
- Patent Document 2 discloses a water-resistant electret sheet characterized in that films having water resistance are fixed to both sides of an electret sheet.
- thermoplastic resin film is easily charged, so in the synthetic paper field, it causes unevenness of the paper due to the repulsive force of static electricity, and in the semiconductor field, it causes a discharge between the carrier tape and the chip, and the chip is I had a problem to destroy.
- Patent Document 3 electric charges due to charging treatment are confined inside the laminate, but the surface resistance of the laminate is 1 ⁇ 10 ⁇ 1 to 9 ⁇ 10 12 ⁇ by an antistatic agent.
- Patent Document 4 discloses that an antistatic sheet and an adhesive tape made of a three-layer structure having different dielectric constants and having a structure having the smallest dielectric constant in each layer as the center. Since the relative dielectric constant of a material suitable as an antistatic agent is higher than that of a general thermoplastic resin as described later, it can be considered that both are based on the same principle.
- An object of the present invention is to provide a low pressure loss type filter having a high dust collecting ability and suppressing a decrease in the dust collecting ability even after washing.
- the present inventors have found that the electret sheet having a high dielectric layer between the surface layer and the back surface layer has a recovered surface potential after cleaning. And the present inventors have found that a filter obtained by three-dimensionally processing the electret sheet can solve the above-mentioned problems. That is, the present invention is as follows.
- An electret sheet including at least a front surface layer, a high dielectric layer, and a back surface layer, and having the high dielectric layer between the front surface layer and the back surface layer,
- Each of the front surface layer and the back surface layer is a thermoplastic resin film having a relative dielectric constant of less than 6 at 100 kHz
- the high dielectric layer is a material having a relative dielectric constant of 6 or more at 100 kHz
- the surface layer and the back layer have static electricity due to charging treatment, Electretized sheet.
- a potential E 24 pulling and immersed for 1 minute in deionized water at a temperature of 15 ° C., wiping the water, temperature 23 ° C., the surface potential of when allowed to stand for 30 minutes under an environment humidity of 50% RH wash 0. when the 5 hours after the surface potential E 0.5, the difference in cleaning 24 hours after the surface potential and washed 0.5 hours after the surface potential (E 24 -E 0.5) is not more than 5kV or more 0.1kV
- the filter according to (6), wherein the cross-sectional area of the air channel is 10% or more and 99% or less.
- the present invention it is possible to provide an electret sheet whose surface potential can be easily recovered even after washing.
- the electret sheet by using the electret sheet, it is possible to provide a charging type filter that has little pressure loss and can easily recover dust and dust collection efficiency even after washing.
- FIG. 1 is an embodiment of the electret sheet of the present invention.
- FIG. 2 is another embodiment of the electret sheet of the present invention.
- FIG. 3 is another embodiment of the electret sheet of the present invention.
- FIG. 4 is an example of a batch-type corona discharge treatment apparatus that can be used for producing the electret sheet of the present invention.
- FIG. 5 is an example of a continuous corona discharge treatment apparatus that can be used for producing the electret sheet of the present invention.
- FIG. 6 is a schematic view of an electret sheet manufacturing apparatus used in the examples of the present invention.
- FIG. 7 is a schematic view of an evaluation filter used in an example of the present invention.
- FIG. 8 is a schematic view of the adsorption force measuring method used in the examples of the present invention.
- the expression “ ⁇ ” indicates a range including the numerical values described before and after the minimum and maximum values, respectively.
- (meth) acrylate when expressed as “(meth) acrylate”, it refers to both acrylate and methacrylate. The same applies to (meth) acrylic acid derivatives.
- laminated body refers to a laminated body having a high dielectric layer between a front surface layer and a back surface layer and having no static electricity due to charging treatment.
- the electret sheet includes a long form or a winding form.
- the electret sheet of the present invention is an electret sheet that includes at least a surface layer, a high dielectric layer, and a back surface layer, and has the high dielectric layer between the surface layer and the back surface layer.
- Each of the layer and the back layer is a thermoplastic resin film having a relative dielectric constant of less than 6 at 100 kHz
- the high dielectric layer is a material having a relative dielectric constant of 10 or more at 100 kHz
- the surface layer and the back layer are It is characterized by having static electricity due to the charging process.
- the electret sheet of the present invention comprises a laminate including at least a surface layer, a high dielectric layer, and a back layer, and has a high dielectric layer between the surface layer and the back layer.
- both the front surface layer and back surface layer in this invention are the outermost layers of the electret sheet
- the surface layer and the back surface layer have a lower relative dielectric constant than any of the layers existing on the inner side of these layers because the movement of the charges existing on the outermost layer surface hardly occurs and the charge attenuation hardly occurs.
- the front surface layer and the back surface layer are each made of a thermoplastic resin film having a relative dielectric constant of less than 6 at 100 kHz.
- the front surface layer and the back surface layer may be the same kind of thermoplastic resin film, may be a thermoplastic resin film having a different composition, or may be a thermoplastic resin film having a different molding method. The kind of thermoplastic resin film that can be used will be described later.
- the electret sheet of the present invention may have an adhesive layer described later between the front surface layer and the back surface layer.
- the adhesive layer may be one layer, two layers, or three or more layers.
- the electret sheet of the present invention may have a plurality of high dielectric layers described later between the front surface layer and the back surface layer.
- the number of high dielectric layers is preferably 1 to 10, more preferably 1 to 5.
- the electret sheet of the present invention may further include an intermediate layer made of a thermoplastic resin film having a relative dielectric constant of less than 6 at 100 kHz, which will be described later, between the front surface layer and the back surface layer.
- the number of intermediate layers is preferably 1 to 10 layers, more preferably 1 to 5 layers.
- An electret sheet 1 laminated in the order of the surface layer 2a / high dielectric layer 3 / back surface layer 2b, -An electret sheet laminated in the order of surface layer / adhesive layer / high dielectric layer / back layer;
- An electret sheet 1 (see FIG. 2) laminated in the order of surface layer 2a / first adhesive layer 4a / high dielectric layer 3 / second adhesive layer 4b / back surface layer 2b;
- An electret sheet 1 (see FIG. 1) laminated in the order of the surface layer 2a / high dielectric layer 3 / back surface layer 2b, -An electret sheet laminated in the order of surface layer / adhesive layer / high dielectric layer / back layer;
- An electret sheet 1 (see FIG. 2) laminated in the order of surface layer 2a / first adhesive layer 4a
- the surface resistivity of the front and back surfaces of the electret sheet of the present invention is preferably independently 1 ⁇ 10 13 ⁇ or more, and more preferably 1 ⁇ 10 14 ⁇ or more.
- the surface resistivity is measured by a double ring method in accordance with JIS K6911: 2006 under conditions of a temperature of 23 ° C. and a relative humidity of 50%.
- the thickness of the electret sheet of the present invention is preferably 20 ⁇ m or more, and is 50 ⁇ m or more. More preferably.
- the thickness of the electret sheet is preferably 250 ⁇ m or less and more preferably 150 ⁇ m or less from the viewpoint of the electrification sheet efficiency and the flexibility of the electret sheet suitable for bending.
- the density of the electret sheet is preferably 0.5 g / cm 3 or more, and more preferably 0.7 g / cm 3 or more.
- the density of the electret sheet is preferably 1.7 g / cm 3 or less, and more preferably 1.5 g / cm 3 or less.
- Gurley stiffness of the electret sheet is preferably 0.3 to 1.0 mN.
- Gurley bending resistance is measured according to JIS L-1096: 2010 method A (Gurley method).
- the surface potential (static surface potential E A ) when the electret sheet is left for 24 hours in an environment of temperature 23 ° C. and humidity 50% RH is preferably 0.3 kV or more, more preferably 1.0 kV or more, It is preferably 15 kV or less, and more preferably 10 kV or less.
- the electret sheet is immersed in ion-exchanged water for 1 minute at a temperature of 15 ° C, pulled up, wiped off, and surface potential when left in an environment of 23 ° C and humidity of 50% RH for 24 hours (after 24 hours of cleaning)
- the surface potential E 24 is preferably 0.2 kV or more, and more preferably 0.3 kV or more. It is preferably 5 kV or less, and more preferably 3 kV or less.
- the electret sheet is immersed in ion-exchanged water for 1 minute under the condition of a temperature of 15 ° C., then wiped off, and the surface potential when left in an environment of a temperature of 23 ° C. and a humidity of 50% RH for 30 minutes.
- the cleaning 0.5 hours after the surface potential E 0.5 the difference in cleaning 24 hours after the surface potential and washed 0.5 hours after the surface potential (E 24 -E 0.5) is more than 0.1kV at It is preferable that it is 0.2 kV or more. Moreover, it is preferable that it is 5 kV or less, and it is more preferable that it is 3 kV or less.
- the large difference between the surface potential after 24 hours of cleaning and the surface potential after 0.5 hours of cleaning is that the surface charge of the laminate lost by cleaning forms a mirror image due to internal charges, and thus is apparently revived. Means.
- the reason why the electret sheet of the present invention having a high dielectric layer therein has a high effect of apparently restoring the surface charge after the surface charge is removed is that the high dielectric layer and a layer adjacent to the layer ( This is presumably because the charge is easily held at the interface with the front surface layer, the back surface layer, or the intermediate layer. It can also be considered that this is because the high dielectric layer itself has charge retention. From either viewpoint, even if the surface of the electret sheet is washed with water, it is presumed that the internal charge is not impaired and a mirror image charge is formed on the surface over time. Furthermore, since the number of interfaces between the high dielectric layer and the layer adjacent to the high dielectric layer or the number of high dielectric layers is large, an increase in the total amount of charge that can be held inside the electret sheet can be expected.
- the electret sheet of the present invention is provided with a high dielectric layer between the front surface layer and the back surface layer.
- the high dielectric layer is made of a material having a relative dielectric constant of 6 or more when measured at 100 kHz as a bulk material.
- the material constituting the high dielectric layer may be a single material or a composition.
- the relative dielectric constant when the material constituting the high dielectric layer is a composition is the sum of the products of the relative dielectric constant of each material constituting the composition and the volume fraction of the material.
- the relative dielectric constant of the material constituting the high dielectric layer is 6 or more is preferable, and 7 or more is more preferable.
- the relative dielectric constant of the material constituting the high dielectric layer is preferably 5000 or less, and more preferably 2000 or less.
- the relative dielectric constant at 100 kHz can be obtained based on the principle of the capacitance of the parallel plate capacitor.
- the capacitance C x [F] of the parallel plate capacitor is proportional to the area A [m 2 ] on one side of the parallel plate electrode and inversely proportional to the electrode distance h [m].
- C x ⁇ r ⁇ A / h (1)
- the relative dielectric constant is measured by creating a sample in which the object to be measured is sandwiched between plate electrodes, applying a voltage, sweeping the frequency, and measuring the capacitance (Cx) at 100 kHz. ) To obtain the relative dielectric constant.
- the measurement object when the measurement object can be applied, the measurement object may be applied on the metal electrode and the counter electrode may be provided. On the other hand, when the measurement object cannot be applied, a conductive paint may be applied on the measurement object.
- the material constituting the high dielectric layer can include organic substances and inorganic substances.
- inorganic dielectrics tend to have higher relative dielectrics than organic dielectrics, and it can be expected that the chargeability is increased by including inorganic substances.
- Examples of the inorganic dielectric include alumina, yttria, silicon nitride, aluminum nitride, zirconia, titanium oxide, barium sulfate, lead nitrate, zeolite, mica, glass fiber, soda lime glass, calcium sodium tartrate, barium titanate, titanate.
- Lead zirconate (PZT) strontium zirconate titanate, barium zirconate titanate, barium strontium zirconate titanate, magnesium zirconate titanate, calcium zirconate titanate, and barium calcium zirconate titanate.
- PZT lead zirconate titanate
- the organic dielectric may be selected from the viewpoint of improving the breakdown voltage.
- the organic dielectric material is preferably a polymer material having an element having an atomic number of 7 or more in the main chain or side chain of the polymer or a conjugated group in the side chain of the polymer from the viewpoint of increasing the relative dielectric constant.
- Examples of the element having an atomic number of 7 or more include N, O, F, Si, P, S, Cl, Br, and I from the viewpoint of ease of introduction and stability.
- conjugated group examples include monocyclic compound groups such as phenyl group, substituted phenyl group, and naphthyl group; heterocyclic compound groups such as imidazole group and pyrazole group; carbonyl group, carboxyl group, and acyl group , A cyano group, a phosphate group, and a sulfo group.
- examples of the polymer containing an N atom include polyethyleneimine, alkyl-modified polyethyleneimine having 1 to 12 carbon atoms, and poly (ethyleneimine-urea).
- Polyamine-based polymers such as polyamine polyamides, polyamine-based polymers such as polyamine polyamides and ethyleneimine adducts of polyamine polyamides; polypyrroles; polyanilines and the like.
- examples of the polymer containing an O atom include acrylic acid ester copolymer, methacrylic acid ester copolymer, acrylic acid amide-acrylic acid ester.
- Acrylic polymers such as copolymers, acrylic acid amide-acrylic acid ester-methacrylic acid ester copolymers, polyacrylamide derivatives, and oxazoline group-containing acrylic acid ester polymers; polyvinyl alcohol and vinyl alcohols such as polyvinyl butyral Polyether polyols such as polyethylene glycol, polypropylene glycol, and polytetramethylene glycol; cellulose; ethylene / vinyl acetate copolymer, ethylene / acrylic acid copolymer, maleic acid-modified polyethylene, and Functional group-containing olefinic polymer and maleic acid-modified polypropylene; phenolic resins, polycarbonate resins, and epoxy resins.
- polyvinyl alcohol and vinyl alcohols such as polyvinyl butyral Polyether polyols such as polyethylene glycol, polypropylene glycol, and polytetramethylene glycol
- cellulose ethylene / vinyl acetate copolymer, ethylene / acrylic acid copo
- examples of the polymer having any atom of F, Cl, Br, and I include fluorine-containing polymers such as polyvinylidene fluoride; Chloroprene rubber, polyamine polyamide epichlorohydrin adduct, vinyl chloride resin, vinyl chloride-vinyl acetate copolymer resin, vinylidene chloride resin, vinyl chloride-vinylidene chloride copolymer resin, chlorinated ethylene resin, chlorinated propylene resin, etc. Chlorine-containing polymers; polychlorotrifluoroethylene and the like.
- examples of the polymer having any atom of Si, P, and S include silanol-modified polyvinyl alcohol and polythiophene. .
- polystyrene-acrylic copolymer resin examples include polyvinyl pyrrolidone, nitrocellulose resin, polyvinyl acetate, ethylene-vinyl acetate copolymer, styrene-acrylic copolymer resin, and acrylonitrile-butadiene copolymer.
- a polymer etc. are mentioned.
- the side chain may have a plurality of elements having an atomic number of 7 or more, may have two or more different elements as the elements having an atomic number of 7 or more, and contains an element having an atomic number of 7 or more.
- the conjugated group may be in the side chain of the polymer.
- the organic dielectric may be a compound known as an organic antistatic agent.
- antistatic agent examples include low molecular nonionic antistatic agents such as stearic acid monoglyceride, alkyldiethanolamine, sorbitan monolaurate, alkylbenzene sulfonate, and alkyldiphenyl ether sulfonate; ITO (indium doped tin oxide), Conductive inorganic fillers such as ATO (antimony-doped tin oxide) and graphite whiskers; Electroconductive polymers such as polythiophene, polypyrrole, and polyaniline that exhibit conductivity by conjugated electrons in the molecular chain; polyethylene glycol, poly Nonionic polymer antistatic agents such as oxyethylenediamine and polyoxyethylene alkyl ether; polyvinylbenzyltrimethylammonium chloride, and polydimethylaminoethyl methacrylate A water-soluble polymer having a quaternary ammonium salt type structure such as a salt of a quaternized product; a qua
- the surfactants a polymer surfactant is preferable from the viewpoint of good thermal stability.
- the ionicity of the surfactant is not limited as long as it is miscible with the adhesive.
- an organic dielectric is preferable from the viewpoint of diversification such as imparting an adhesive function to the high dielectric layer.
- a polymer material is preferable from the viewpoints of adhesion between the front and back layers and the high dielectric layer and resistance to decomposition after the charging treatment.
- fluorine-containing resins such as polyvinylidene fluoride, polychlorotrifluoroethylene, and polytetrafluoroethylene are preferable.
- any one of the materials may be used alone, or two or more of the materials constituting these high dielectric layers may be used. You may mix and use.
- the said material can be used in the state diluted or disperse
- urethane resins such as polyether urethane, polyester polyurethane, and acrylic urethane, or acrylic ester copolymers are preferable from the viewpoint of the stability and coating suitability of the paint obtained by dissolution and mixing.
- the high dielectric layer in the present invention is a water-soluble polymer having a quaternary ammonium salt structure that has little influence on the antistatic performance of environmental humidity.
- an alkali metal salt-containing polymer is preferably included, and in particular, a water-soluble polymer having a quaternary ammonium salt type structure having a relative dielectric constant of 10 to 30 is preferably included.
- the high dielectric layer can also be produced by mixing a low dielectric material and a high dielectric material. In that case, a film-like material obtained by mixing the low dielectric material and the high dielectric material is used. If the relative dielectric constant is 6 or more when the material is measured as a bulk material at 100 kHz, the material can be handled as the high dielectric layer of the present invention.
- the thickness of the high dielectric layer is 0.01 ⁇ m or more. Preferably, it is 0.05 ⁇ m or more. For the same reason, the thickness of the high dielectric layer is preferably 0.005% or more, more preferably 0.01% or more of the thickness of the electret sheet.
- the thickness of the high dielectric layer is preferably 100 ⁇ m or less, and more preferably 50 ⁇ m or less.
- the thickness of the high dielectric layer is preferably 70% or less, more preferably 35% or less of the thickness of the electret sheet.
- the high dielectric layer is provided between the front surface layer and the back surface layer, but it adheres to the inner side of either layer and constitutes an electret sheet as a laminate, so that the high dielectric layer has adhesiveness. Is preferred. Therefore, it is preferable that at least one of the materials constituting the high dielectric layer has adhesiveness.
- the adhesive material may be included in the high dielectric layer or in the adhesive layer, but a common substance can be used in any case as the adhesive material.
- a high dielectric material is mixed with an adhesive material and provided inside the surface layer and / or the back layer.
- the adhesive material contains 10% by mass or more of the adhesive material with respect to the mass of the high dielectric layer from the viewpoint that the high dielectric layer exhibits adhesiveness. More preferably, the content is 30% by mass or more.
- the adhesive material is preferably contained in an amount of 99% by mass or less, more preferably 90% by mass or less, based on the mass of the high dielectric layer. preferable.
- the thickness of the adhesive layer is preferably 1.0 ⁇ m or more, and more preferably 10 ⁇ m or more.
- the thickness of the adhesive layer should be 50 ⁇ m or less. Is preferable, and it is more preferable that it is 5.0 micrometers or less. For the same reason, the thickness of the adhesive layer is preferably 70% or less of the thickness of the electret sheet, and more preferably 35% or less.
- the relative dielectric constant of the adhesive layer at 100 kHz is less than 6, preferably less than 4. In general, the lower limit is 1.1 or more.
- the properties of the adhesive material include solution-type and emulsion-type liquid adhesives that use water or an organic solvent as a medium, hot melts that can be melted and applied when heated, and solidify and develop adhesive properties when cooled. Mold adhesives.
- liquid adhesive in a solution type or emulsion type examples include ether resins, ester resins, urethane resins, urea resins, acrylic resins, amide resins, and epoxy resins.
- ether resin examples include polyether polyols such as polypropylene glycol, polyethylene glycol, and polytetramethylene glycol.
- Polyether polyols are, for example, ring-opening polymerization of oxirane compounds such as ethylene oxide, propylene oxide, butylene oxide, and tetrahydrofuran to low molecular weight polyols such as propylene glycol, ethylene glycol, glycerin, trimethylolpropane, bisphenol A, and ethylenediamine. Is obtained.
- ester resins include dehydration condensates of polybasic acids and polyhydric alcohols.
- polyvalent carboxylic acids include isophthalic acid, terephthalic acid, phthalic anhydride, dimethyl isophthalate, dimethyl terephthalate, adipic acid, azelaic acid, sebacic acid, glutaric acid, and hexahydrophthalic anhydride. Is mentioned.
- polyhydric alcohol examples include ethylene glycol, diethylene glycol, triethylene glycol, trimethylolpropane, propylene glycol, dipropylene glycol, 1,6-hexanediol, neopentyl glycol, hydrogenated bisphenol A, 1,4- Examples include butanediol, 1,4-cyclohexanedimethanol, 2,2,4-trimethylpentane-1,3-diol, and polyethylene glycol.
- one or more of the polybasic acids can be used, and one or more of the polyhydric alcohols can be used.
- the urethane resin examples include a condensation reaction product of a polyol and an isocyanate compound.
- the polyol can use 1 or more types from the said polyhydric alcohol, ether resin, and ester resin.
- the isocyanate compound include hexamethylene diisocyanate, 2,4-methylcyclohexane diisocyanate, diisocyanate cyclobutane, tetramethylene diisocyanate, o- (or m-, p-) xylylene diisocyanate, hydrogenated xylylene diisocyanate, dicyclohexylmethane.
- Aliphatic isocyanates such as diisocyanate, dimethyldicyclohexylmethane diisocyanate, lysine diisocyanate, cyclohexane diisocyanate, dodecane diisocyanate, tetramethylxylene diisocyanate and isophorone diisocyanate; tolylene-2,4-diisocyanate, tolylene-2,6-diisocyanate, diphenylmethane-4,4 '-Diisocyanate, 3-methyldipheny Methane-4,4′-diisocyanate, m- (or p-) phenylene diisocyanate, chlorophenylene-2,4-diisocyanate, naphthalene-1,5-diisocyanate, diphenyl-4,4′-diisocyanate, 3,3′- Examples include dimethyldiphenyl-1,3,5-triisopropylbenzene-2,
- Examples of the urea resin include a condensate of an amine compound and the isocyanate compound.
- the amine compound include aliphatics such as ethylenediamine, 1,2-propylenediamine, 1,3-propylenediamine, 1,4-butanediamine, or hexamethylenediamine, diethylenetriamine, triethylenetetramine, and tetraethylenepentamine.
- Amines such as isophoronediamine, dicyclohexylmethanediamine, methylcyclohexanediamine, isopropylidenebis-4-cyclohexyldiamine, and 1,4-cyclohexanediamine; heterocyclics such as piperazine, methylpiperazine, and aminoethylpiperazine An amine etc. are mentioned.
- a typical example of the acrylic resin is a resin obtained by addition polymerization of a (meth) acrylic compound using an organic peroxide as a polymerization initiator.
- the acrylic compound include, for example, (meth) acrylic acid, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, n-butyl (meth) acrylate, T-butyl (meth) acrylate, cyclohexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, lauryl (meth) acrylate, tridecyl (meth) acrylate, stearyl (meth) acrylate, (meth) acrylic Examples include 2-hydroxyethyl acid, 2-hydroxypropyl (meth) acrylate, (meth) acrylonitrile, (meth) acrylamide, and glycidyl (meth) acrylate.
- amide resins include condensates of amine compounds and polybasic acids.
- the epoxy resin is obtained as a condensation reaction product of a hydroxy compound or a carboxylic acid compound and an epihalohydrin, 1,2-diol, or polyglycidyl ether.
- the above ether resin, ester resin, urethane resin, urea resin acrylic resin, and amide resin may be added to this condensation reaction system.
- Examples of the hydroxy compounds include the aforementioned polyhydric alcohols and polyhydric phenols.
- Examples of polyhydric phenols include 2,2-bis (4-hydroxyphenyl) propane (bisphenol A), 2,2-bis (4-hydroxyphenyl) butane (bisphenol B), and 2,2-bis (4 -Hydroxyphenyl) ethane (bisphenol E), 2,2-bis (4-hydroxyphenyl) sulfone (bisphenol S), 2,2-bis (4-hydroxyphenyl) -4-methylpentane, 1,1-bis ( 4-hydroxyphenyl) -2-methylpropane, bis (4-hydroxyphenyl) phenylmethane, 2,2-bis (4-hydroxy-3,5-dimethylphenyl) methane, 2,2-bis (4-hydroxy- 3,5-dimethylphenyl) ethane, 2,2-bis (4-hydroxy-3,5-dimethylphenyl) propane, 2, -Bis (4-hydroxy-3,5-dimethylphenyl) butane, 2,2-
- urethane resins are preferred from the viewpoint of processability in which a condensation reaction of one or more of the polyhydric alcohol, ether resin, and ester resin with an isocyanate compound reacts even at room temperature.
- hot-melt adhesive examples include low density polyethylene, ethylene / vinyl acetate copolymer, ethylene / (meth) acrylic acid copolymer and its metal salt (so-called ionomer resin), chlorinated polyethylene, and chlorinated polypropylene. And other modified polyolefin resins, thermoplastic elastomers such as ethylene / ⁇ -copolymers, styrene / butadiene rubber, and acrylonitrile / butadiene rubber; polyamide resins, polybutyral resins, and polyurethane resins.
- a tackifier can be added in order to improve the tackiness at the time of heating, and an antiblocking agent or a lubricant can be added to suppress blocking at a temperature near room temperature. .
- the adhesive layer can also function as the high dielectric layer.
- the adhesive layer and the high dielectric layer can be integrated.
- the dielectric material the same kind of material as the inorganic dielectric or organic dielectric, antistatic agent, surfactant and the like constituting the high dielectric layer can be used.
- seat of this invention has each of a surface layer and a back surface layer in the outermost surface. That is, both the front surface layer and the back surface layer are the outermost layers of the electret sheet of the present invention.
- thermoplastic resin film having a relative dielectric constant of less than 6 at 100 kHz.
- the relative dielectric constants of the front surface layer and the back surface layer are each independently 1.1 or more independently from the composition and density thereof, preferably 1.2 or more from the viewpoint of increasing the charge density, and more preferably 1.25 or more. preferable. On the other hand, 4 or less is preferable, 3.5 or less is more preferable, and 3 or less is more preferable from the viewpoint that the electret sheet retains electric charge for a long time.
- the surface layer and the back surface layer preferably have a volume resistivity of 1 ⁇ 10 14 ⁇ ⁇ cm or more from the viewpoint of holding the charge in the electret sheet by performing a charging process. Moreover, when it is set as a laminated body, it is preferable that each surface resistivity of a surface layer and a back surface layer is 1 * 10 ⁇ 13 > (omega
- the front surface layer and the back surface layer are films containing a thermoplastic resin, the above insulating properties and moldability are good.
- voids may be formed in the surface layer or the back surface layer.
- a thermoplastic resin and a substance extractable with a solvent are kneaded to form a sheet, the obtained sheet is stretched as necessary, and extracted with the solvent; a thermoplastic resin;
- a dry method in which a sheet is formed using a thermoplastic resin having at least one kind of inorganic fine powder or organic filler, and the obtained sheet is stretched at a predetermined temperature; a sheet is formed by kneading a thermoplastic resin and a foaming agent.
- the foaming method which heats the obtained sheet
- the water vapor transmission coefficients of the front surface layer and the back surface layer are each preferably 0.01 to 2.50, more preferably 0.02 to 1.50, still more preferably 0.05 to 1.00, and particularly preferably 0.10. Within the range of ⁇ 0.70.
- the water vapor transmission coefficient exceeds 2.50, the chargeability under high humidity is lowered, and the adsorption performance of the film is lowered, so that the performance as an adsorption label may not be sufficiently exhibited.
- the water vapor transmission coefficient can be measured at 40 ° C. and 90% RH by the cup method according to JIS-Z-0208.
- the water vapor transmission coefficient (g ⁇ mm / (m 2 ⁇ 24 hr)) is determined from the obtained moisture permeability (g / (m 2 ⁇ 24 hr)) and the film thickness (mm).
- the thickness of the front surface layer and the back surface layer is preferably 10% or more, more preferably 35% or more of the thickness of the electret sheet.
- the thicknesses of the front surface layer and the back surface layer are preferably independently 100 ⁇ m or less, and more preferably 50 ⁇ m or less. From the same viewpoint, the thickness of the front surface layer and the back surface layer is preferably independently less than 100% of the thickness of the electret sheet. When an adhesive layer is present, it is preferably 99% or less, and more preferably 98% or less.
- a measuring apparatus that can apply a voltage of about 1 V and can arbitrarily select a measurement frequency in the range of 20 Hz to 3 MHz is preferable.
- Examples of such a measuring apparatus include an impedance analyzer (manufactured by Keysight Technologies, product name: E4990A), “LCR Meter 4274A” manufactured by Yokogawa Electric Corporation, and “HIOKI 3522 LCR High manufactured by Hioki Electric Corporation. Tester "and the like.
- samples with metal electrodes provided on both surfaces of the layer are prepared and used for measurement.
- an electrode can be provided by applying a conductive paint on both surfaces thereof.
- an electrode can be provided by applying the material of the layer onto a metal plate.
- a voltage of 1 V is applied to the sample under an environmental condition of a temperature of 23 ° C. and a relative humidity of 50%, measurement is performed at a frequency in the range of 20 Hz to 1 MHz, and a capacitance (Cx) measurement value at a frequency of 100 kHz is used as a representative value.
- thermoplastic resin used for the front surface layer and the back surface layer is not particularly limited. However, since the relative dielectric constant when measured at 100 kHz is lower than that of the high dielectric layer, an example of the thermoplastic resin is high density polyethylene.
- Polyolefin resins such as medium density polyethylene, low density polyethylene, propylene resin, and polymethyl-1-pentene; ethylene / vinyl acetate copolymer, ethylene / acrylic acid copolymer, maleic acid modified polyethylene, and maleic acid modified Functional group-containing polyolefin resins such as polypropylene; polyamide resins such as nylon-6 and nylon-6,6; thermoplastic polyester resins such as polyethylene terephthalate and copolymers thereof, polybutylene terephthalate, and aliphatic polyester; Polycarbonate resin; Attack Polystyrene and polystyrene resins such as syndiotactic polystyrene.
- any one or more of polyolefin resins and polyolefin copolymers having a large relative dielectric constant difference from the high dielectric layer Is preferably used.
- polystyrene resin examples include (co) polymers composed of one or more olefins such as ethylene, propylene, butylene, hexene, octene, butadiene, isoprene, chloroprene, methyl-1-pentene, and cyclic olefin.
- the polyolefin-based copolymer is a copolymer of at least one of the olefins and at least one other monomer that can be polymerized with the olefin, as long as the relative dielectric constant is less than 6 as the front surface layer and the back surface layer. It may be a polymer.
- a polypropylene resin is particularly preferable.
- thermoplastic resin in the front surface layer and the back surface layer can be blended with inorganic fine powder and / or organic filler as necessary, and it is usually preferable to blend the powder or filler.
- the amount of the powder or filler is usually less than 50% by mass, preferably 45% by mass or less, particularly 40% by mass or less.
- the surface layer and the back layer form voids (voids) therein, increase the interface (surface area) between the resin and air, and improve the electrification sheet electrification sheet, from the viewpoint of improving the chargeability of the inorganic fine powder and organic
- At least one filler, preferably an inorganic fine powder, can be blended.
- Examples of the inorganic fine powder include calcium carbonate, calcined clay, silica, diatomaceous earth, white clay, talc, titanium oxide, barium sulfate, alumina, zeolite, mica, sericite, bentonite, sepiolite, vermiculite, dolomite, wollastonite. , And glass fiber.
- calcium carbonate is more preferable from the viewpoint of lowering the relative dielectric constant of the film constituting the surface layer and the back surface layer.
- the volume average particle size of the inorganic fine powder is a value measured with a particle size distribution meter by laser diffraction. From the viewpoint of improving the electrification property of the electret sheet by generating voids in the surface layer and the back layer. 01 ⁇ m or more is preferable, 0.1 ⁇ m or more is more preferable, and 0.5 ⁇ m or more is more preferable. From the same viewpoint, the volume average particle diameter of the inorganic fine powder is preferably 15 ⁇ m or less, more preferably 10 ⁇ m or less, and further preferably 5 ⁇ m or less.
- organic filler examples include polymers such as polyethylene terephthalate, polybutylene terephthalate, polycarbonate, nylon-6, nylon-6,6, cyclic polyolefin, polystyrene, and polymethacrylate.
- polymers such as polyethylene terephthalate, polybutylene terephthalate, polycarbonate, nylon-6, nylon-6,6, cyclic polyolefin, polystyrene, and polymethacrylate.
- those having a melting point (for example, 170 to 300 ° C.) higher than the melting point of the polyolefin resin or a glass transition temperature (for example, 170 to 280 ° C.) and incompatible are preferable.
- polyethylene terephthalate is more preferable from the viewpoint of lowering the relative dielectric constant of the film constituting the surface layer and the back surface layer.
- the average dispersed particle size of the organic filler is a value measured with a particle size distribution meter by laser diffraction. From the viewpoint of improving the chargeability of the electret sheet by generating voids in the surface layer and the back layer, the average dispersed particle size of the organic filler is preferably 0.01 ⁇ m or more, more preferably 0.1 ⁇ m or more, 0 More preferably, it is 5 ⁇ m or more. On the other hand, from the same viewpoint, the average dispersed particle size of the organic filler is preferably 15 ⁇ m or less, more preferably 10 ⁇ m or less, and further preferably 5 ⁇ m or less.
- thermoplastic resin composition of the front surface layer and the back surface layer.
- thermoplastic resin composition When adding a heat stabilizer, 0.001-1 mass% is usually added to the thermoplastic resin composition.
- the heat stabilizer include sterically hindered phenols, phosphoruss, and amines.
- thermoplastic resin composition When adding a light stabilizer, 0.001 to 1% by mass is usually added to the thermoplastic resin composition.
- the light stabilizer antioxidant
- examples of the light stabilizer include sterically hindered amines, benzotriazoles, and benzophenones.
- dispersant or lubricant When adding a dispersant or lubricant, it is usually added in an amount of 0.01 to 4% by mass in the thermoplastic resin composition.
- the dispersant and lubricant include silane coupling agents and modified polyolefins such as maleic acid-modified polypropylene; higher fatty acids such as oleic acid and stearic acid; metal soaps, polyacrylic acid, polymethacrylic acid or salts thereof Is mentioned.
- the dispersant and lubricant improve the dispersion of the inorganic fine powder and improve the handleability of the electret sheet.
- the electret sheet may have an intermediate layer made of a thermoplastic resin film layer having a relative dielectric constant of less than 6 at 100 kHz, in addition to the front surface layer and the back surface layer, from the viewpoint of providing a three-dimensional shape.
- a plurality of high dielectric layers can also be stacked via the intermediate layer.
- thermoplastic resin included in the intermediate layer examples include the same resins as those exemplified as the thermoplastic resin used for the front surface layer and the back surface layer, and the inorganic fine powder, organic filler, and additive that can be contained in the layer. May be the same material.
- the intermediate layer may have the same physical properties as the surface layer and the back layer.
- seat of this invention includes the process of shape
- the position of the electrification process in the manufacturing process of the electret sheet can be appropriately determined in consideration of the complexity of the electrification process, the handling of the electrification sheet, restrictions on equipment, the required performance of the filter, and the like. That is, the electret sheet may be obtained directly by performing a charging process in the step of forming the laminated body, or the electret sheet may be obtained by performing the charging process on the laminated body. You may obtain the filter which has an electret sheet
- a method of performing the charging process on the obtained laminate is preferable.
- a method of obtaining a filter having an electret sheet by performing a charging process after processing a laminate not subjected to a charging process into a three-dimensional shape of the filter is preferable.
- the description will focus on the steps of manufacturing a laminate including the surface layer, the back surface layer, and the high dielectric layer, and a method of charging the obtained laminate.
- thermoplastic resin film The front surface layer, the back surface layer, and the intermediate layer provided as necessary are formed as a thermoplastic resin film.
- the elemental techniques used in the normal film forming method can be appropriately utilized individually.
- the raw thermoplastic resin composition is melt-kneaded with an extruder, extruded into a sheet using a T die, I die, or the like, cooled with a metal roll, rubber roll, metal belt, or the like to form a sheet.
- These elements include stretching the obtained sheet at a predetermined temperature, stretching a sheet containing an inorganic fine powder or an organic filler, forming voids in each layer, and performing heat treatment.
- the physical properties of a predetermined sheet suitable for filter processing can be obtained by appropriately combining techniques.
- the stretching method for example, longitudinal stretching using the peripheral speed difference of the roll group, transverse stretching using a tenter oven, sequential biaxial stretching by a combination of longitudinal stretching and transverse stretching, rolling, by a combination of a tenter oven and a linear motor
- Examples thereof include simultaneous biaxial stretching and simultaneous biaxial stretching by a combination of a tenter oven and a pantograph.
- inflation molding etc. which cool with air or water, extruding into a tube shape using a circular die
- the draw ratio is not particularly limited, and is appropriately determined in consideration of the characteristics of the thermoplastic resin used for the front surface layer and the back surface layer.
- these surface layer, back layer, and intermediate layer are Each may have a multilayer structure of two or more layers.
- thermoplastic resin film has a multilayer structure
- various known methods can be used.
- a feed block, a multilayer die method using a multi-manifold, an extrusion lamination method using a plurality of dies, and the like can be mentioned.
- a multilayer die method and an extrusion lamination method may be used in combination.
- Lamination method As a lamination method for obtaining a laminate comprising a surface layer, a back layer, a high dielectric layer, and an intermediate layer provided as necessary, a coextrusion method similar to the multilayering of the thermoplastic resin film is used. And an in-line method using an extrusion laminating method and an outline method in which a high dielectric layer is sandwiched between a thermoplastic resin film as a surface layer and another thermoplastic resin film as a back layer. You may combine each layer using the said adhesive bond layer at the time of lamination
- high dielectric layer materials and adhesive layer materials are often easily decomposed by heat, many materials are easily dissolved or dispersed in water or organic solvents, and the thickness of these layers may be thin. Therefore, as a method of providing a high dielectric layer, a material obtained by dissolving or dispersing the material of the high dielectric layer in water or an organic solvent is used as a paint, and this paint is applied to the front surface layer, the back surface layer, or the intermediate layer. The drying method is preferred.
- the coating of these paints is performed by, for example, a die coater, bar coater, comma coater, lip coater, roll coater, rod coater, curtain coater, gravure coater, spray coater, blade coater, reverse coater, air knife coater, slide hopper, etc. Done.
- the adhesive When using a hot-melt adhesive, the adhesive is applied on the surface of the surface layer, the back surface layer, or the intermediate layer by a method such as beet coating, curtain coating, or slot coating. Next, the other layers are stacked and pressure-bonded with a pressure roll to complete the lamination.
- Examples of methods for charging the laminate include triboelectric charging, peeling charging, corona discharge and electro-electret method that applies pulsed high voltage, holding both sides of a thermoplastic resin film with a dielectric, Examples thereof include a method of applying a voltage, and a radio electret method of irradiating a thermoplastic resin film with ionizing radiation such as ⁇ rays and electron beams.
- a batch type in which the laminate is fixed between the application electrode connected to the DC high-voltage power source and the ground electrode (see FIG. 4) or a continuous type (see FIG. 5) through which both electrodes pass is preferable.
- the distance between the main electrode and the counter electrode is preferably 1 mm or more, more preferably 2 mm or more, and further preferably 5 mm or more from the viewpoint of the accuracy of keeping the two electrodes in parallel.
- corona discharge is a dielectric breakdown accompanied by ionization of air, it is preferably 50 mm or less, more preferably 30 mm or less, and further preferably 20 mm or less from the viewpoint of stably generating corona discharge. preferable.
- the application electrodes are arranged in an infinite number of needle-like ones or metal wires are used, and a flat metal plate or metal roll is used for the ground electrode.
- the material of the main electrode and the counter electrode is appropriately selected from conductive materials, but is usually made of metal such as iron, stainless steel, copper, brass, tungsten, or carbon.
- the application method is preferably a direct current type.
- a needle-like or wire-like main electrode (applied electrode) and a plate-like or roll-like counter electrode (ground electrode) are connected to a DC high-voltage power supply as illustrated in FIGS.
- a method of injecting charges into the laminate by corona discharge generated by installing a laminate on the counter electrode and applying a DC high voltage between the main electrode and the counter electrode is particularly preferred.
- the voltage applied between the main electrode and the counter electrode is the electrical characteristics such as the dielectric breakdown voltage of the laminate, the required performance as an electret sheet (surface potential, relative dielectric constant, etc.), the shape and material of the main electrode and the counter electrode , And the interval between the main electrode and the counter electrode.
- the amount of charge introduced into the laminate by the charging process depends on the amount of current flowing through the main electrode and the counter electrode during the process, and the amount of current increases as the voltage between the electrodes increases.
- the applied voltage is preferably 99% or less, more preferably 95% or less, relative to the dielectric breakdown voltage of the laminate.
- the applied voltage is preferably 1 kV or more, preferably 3 kV or more, more preferably 5 kV or more, and further preferably 10 kV or more, from the viewpoint of the stability of general DC corona discharge. preferable.
- the applied voltage is preferably 100 kV or less, more preferably 70 kV or less, further preferably 50 kV or less, and particularly preferably 30 kV or less.
- the polarity of the applied power is preferably set to the negative polarity on the main electrode side because a relatively stable corona discharge treatment can be performed.
- the charging process of the laminate After the charging process of the laminate, it may be left as it is, or a charge removal process may be performed.
- a charge removal process By performing the static elimination process, there is an effect of avoiding troubles such as dust adsorption, sticking between sheets, sticking between the sheet and manufacturing equipment, in a manufacturing process including processing from an electret sheet to a filter. Even if the charge on the surface of the electret sheet is removed by performing the static elimination process, a mirror image of the charge held inside the electret sheet appears over time on the surface of the electret sheet, so the dust collection function of the filter is Not damaged.
- Examples of the static elimination treatment include a method of temporarily reducing / removing the surface charge using a known static elimination device such as a voltage application static eliminator (ionizer) or a self-discharge static eliminator.
- a known static elimination device such as a voltage application static eliminator (ionizer) or a self-discharge static eliminator.
- these general static eliminators can reduce / remove the charge on the sheet surface, but cannot remove the charge accumulated in the sheet.
- the electret sheet can be imparted with a property that there is little difference between the static surface potential and the surface potential (E 24 -E 0.5 ) after 24 hours of washing.
- heat treatment can be performed after the laminate is charged.
- the heat treatment method include a method of leaving the electret sheet in an oven, a method of applying hot air, infrared rays, and the like to the electret sheet.
- the temperature during the heat treatment is preferably about 10 ° C. higher than normal temperature. Moreover, 30 degreeC or more is preferable. On the other hand, 120 degrees C or less is preferable and 100 degrees C or less is more preferable.
- the heat treatment time is preferably 1 minute or longer, and more preferably 10 minutes or longer. On the other hand, 500 hours or less is preferable, and 100 hours or less is more preferable.
- the electret sheet of the present invention develops an adsorbing force by holding a charge on the surface and inside thereof by charging treatment. Since the surface charge fluctuates due to static elimination treatment, environmental conditions (particularly relative humidity), surface cleaning, etc., for example, the surface potential (static surface potential) when left for 24 hours in an environment of temperature 23 ° C. and humidity 50% RH ) Can be measured to evaluate the adsorption force. When the surface potential (static surface potential) increases, the adsorptive power tends to increase. In addition, the said adsorption force can also be measured using the adsorption force measuring apparatus shown in FIG. 8 so that it may mention later in the Example.
- the surface potential measuring device for example, “Highly accurate electrostatic sensor SK manufactured by Keyence Corporation”, “High Voltage High Speed Surface Potential Meter Model 341B” manufactured by Trek Japan Co., Ltd., or the like is used.
- the measurement is performed in an environment of 23 ° C. and relative humidity of 50% so as not to be affected by temperature and humidity. Moreover, it carries out in the state which suspended the electret sheet
- the surface potential of the electret sheet usually shows a potential of ⁇ 1 to ⁇ 30 KV in an environment of a temperature of 23 ° C. and a humidity of 50% RH. Further, it usually shows a potential of 0 to -20 KV in an environment of a temperature of 40 ° C. and a humidity of 80% RH.
- the filter of the present invention can be obtained by subjecting the electret sheet to a three-dimensional process or by subjecting the laminate to a three-dimensional process and then a charging treatment. Moreover, the sheet
- a batch type method among the charging methods may be applied, and here, a filter obtained by three-dimensionally processing the electret sheet will be described.
- a filter forms the air flow path using the electret sheet
- the three-dimensional structure is not particularly limited, and examples thereof include a card board structure, a honeycomb structure, a truss structure, a pillar structure, and a rib structure.
- an electret sheet processed into a corrugated shape by corrugation and a flat electret sheet that has not been corrugated are laminated alternately and bonded or fused together.
- This structure has the advantage that the structure is strong as estimated from corrugated cardboard, and that the structure is not easily crushed even if the electrification amount of the electret sheet is increased, and that the manufacture is simple.
- the honeycomb structure has a shape in which sheets of the same shape processed into a pleat shape are stacked and the contact points or contact surfaces of the two are bonded together.
- the honeycomb core has a hexagonal cross section. Such a structure is given.
- a structure having a cross-sectional shape such as a pleated feather core, a corrugated core processed into a wavy shape, a roll core processed into a circular shape even if the cross-sectional shape is not a hexagonal shape can be cited as a modification of the honeycomb structure.
- a pillar structure or a rib structure may be provided between two electret sheets.
- the pillar structure or the rib structure is preferably made of an insulating material from the viewpoint of reducing the charge decay rate of the electret sheet.
- the pattern constituting the cross-sectional shape of such a flow path may be arranged at regular intervals with a constant pitch, or may be randomly arranged.
- the pitch is preferably in the range of 0.5 to 10 mm from the viewpoint of processability to the filter and dust collection efficiency. A range of 1 to 3 mm is more preferable.
- an electret sheet processed into a corrugated plate by corrugation and a flat electret sheet that has not been corrugated are laminated alternately, and the contact points of both are bonded using a pressure-sensitive adhesive, or heated.
- a three-dimensional structure as a filter and a flow path of air can be obtained by bonding by heat sealing or the like of a sealing adhesive.
- the air flow path cross-sectional ratio in the filter is the ratio of the air flow path to the cross section of the filter. Therefore, as the value is lower, the strength of the filter increases, and at the same time, resistance to air circulation tends to increase and pressure loss tends to increase.
- the cross-sectional area of the air flow path is obtained by dividing the cross-sectional area of the filter from the cross-sectional area of the sheet base material, which is the product of the thickness of the sheet base material and the length of the sheet base material used for forming the flow path. This value can also be obtained from image observation of a cross section.
- the lower limit of the air flow path cross-sectional ratio is preferably 10% or more, more preferably 30% or more, and further preferably 50% or more.
- the air flow path cross-sectional ratio is preferably 99% or less, more preferably 97% or less, and even more preferably 95% or less.
- the filter of the present invention has a high difference (E 24 -E 0.5 ) between the surface potential after 24 hours of cleaning and the surface potential after 0.5 hours of cleaning, the adsorptive power is easily recovered even if the filter is washed with water. In practice, it can withstand several water washings.
- charge may be injected into a laminated sheet having a high dielectric layer and surface charging treatment may be performed, or the charging treatment may be performed after the flow path structure is formed.
- Conductive paint (product name: Dotite D-500, manufactured by Fujikura Kasei Co., Ltd.) was screen-printed on one surface of the surface layer material or back layer material obtained in each production example so as to form a circle with a diameter of 70 mm.
- the main electrode is formed by curing at room temperature for 24 hours or more, and then the same conductive paint is screen-printed on the opposite side so as to form a concentric circle having a diameter of 100 mm, and is cured at room temperature for 24 hours or more. Formed to obtain a sample.
- composition for adhesive layer or the composition for high dielectric layer obtained in each of the adjustment examples was applied on a metal aluminum sheet with an applicator so that the coating amount was 50 g / m 2.
- another metal aluminum sheet is piled on the coated surface, pressed with a roll, cut into 10cm square, and conditioned for 1 day under environmental conditions of temperature 23 °C and relative humidity 50% A sample was obtained.
- an impedance analyzer manufactured by Keysight Technologies, product name: E4990A was used as the capacitance measuring device. A voltage of 1 V is applied to each electret sheet under an environmental condition of a temperature of 23 ° C.
- the capacitance is measured at a frequency in the range of 20 Hz to 1 MHz, and the capacitance (Cx) at a frequency of 100 kHz. was measured as a representative value.
- the relative dielectric constant was calculated by the following formula using the same value and the separately measured thickness.
- ⁇ r Cx ⁇ h / ( ⁇ 0 ⁇ A) ⁇ r: relative dielectric constant of each layer of electret sheet (-)
- A: Area of main electrode 3.848 ⁇ 10 ⁇ 4 (m 2 )
- the water vapor transmission coefficients of the front surface layer and the back surface layer obtained in each production example were measured at 40 ° C. and 90% RH by the cup method in accordance with JIS-Z-0208.
- the water vapor transmission coefficient (g ⁇ mm / (m 2 ⁇ 24 hr)) was determined from the obtained moisture permeability (g / (m 2 ⁇ 24 hr)) and the film thickness (mm).
- the electret sheets obtained in each Example and Comparative Example were cut into a size of 200 mm ⁇ 220 mm as shown in FIG. 8 and stored for 24 hours in an environment of a temperature of 23 ° C. and a relative humidity of 50%. Then, the electret sheet 51 is pasted on the glass plate 52 of the suction force measuring apparatus schematically shown in FIG. The clip 54 is attached to the minute, and a 10 g weight 56 to which the fishing line 55 is attached is added to the clip 54 one by one. The force was calculated per square meter.
- P-1 100 parts by weight of polyethylene glycol monomethacrylate (manufactured by NOF Corporation, product name: BLEMMER PE-350), 20 parts by weight of lithium perchlorate (manufactured by Wako Pure Chemical Industries, Ltd., reagent), hydroquinone (Wako Pure Chemical Industries, Ltd.) 1 part by weight, manufactured by Co., Ltd.
- P-1 a polymer solution having an antistatic function made of an alkali metal salt-containing polymer (polyethylene oxide) having a lithium concentration of 0.6% by weight in the solid content
- P-2 A four-necked flask equipped with a reflux condenser, a thermometer, a glass tube for nitrogen substitution, and a stirrer, 35 parts by mass of dimethylaminoethyl methacrylate, 20 parts by mass of ethyl methacrylate, 20 parts by mass of cyclohexyl methacrylate, stearyl methacrylate 25 parts by mass, 150 parts by mass of ethyl alcohol, and 1 part by mass of azobisisobutyronitrile were added, and a polymerization reaction was performed at 80 ° C.
- Adjustment Example 1 Composition for adhesive layer
- the polymer binder P-4 was diluted with ethyl acetate to a solid content concentration of 30% by mass, and the curing agent was added dropwise over 5 minutes with stirring. As shown in Table 1 below, the solid content ratio of P-4 to the curing agent was 1: 1.
- Adjustment Example 2 Composition for high dielectric layer
- the polymer binder P-4 was diluted with ethyl acetate to a solid content concentration of 25% by mass, and the polymer P-1 having an antistatic function was added while stirring, and then stirring was continued for 15 minutes. Next, the curing agent was added dropwise over 5 minutes with stirring, and the solid content concentration was adjusted to 20% by mass with ethyl acetate.
- the solid content ratio of P-1, P-4, and curing agent was 15: 42.5: 42.5.
- Adjustment Example 3 Composition for high dielectric layer
- polymer P-2 having an antistatic function was added and stirred for 5 minutes.
- stirring was continued for 15 minutes.
- the solid content concentration was adjusted to 1.5 mass% with ion-exchanged water.
- the solid content ratio of P-2 and P-3 was 1: 4.
- Adjustment Example 4 Composition for high dielectric layer
- polymer P-1 having an antistatic function was used as it was.
- This non-stretched sheet was heated to 135 ° C. and stretched 5 times in the machine direction by utilizing the peripheral speed difference of the roll group.
- propylene homopolymer manufactured by Nippon Polypro Co., Ltd., product name: Novatec PP MA3
- high density polyethylene manufactured by Nippon Polyethylene Co., Ltd., product name: Novatec HD HJ360
- the laminated sheet was cooled to 60 ° C., heated again to about 150 ° C. using a tenter oven and stretched 8.5 times in the transverse direction, and further heated to 160 ° C. for heat treatment. Next, after cooling to 60 ° C.
- Comparative Example 1 On the thermoplastic resin film of Production Example 1 to be a surface layer, the composition for the adhesive layer of Preparation Example 1 was applied with a gravure coater so that the thickness after drying was 20 ⁇ m, and dried.
- the thermoplastic resin film of another production example 1 to be the back layer is bonded and pressure-bonded, and the thermoplastic resin film (surface layer) of production example 1 / adhesive layer composition of preparation example 1 / production example 1
- a laminate of the thermoplastic resin film (back layer) was obtained. This laminate does not have a high dielectric layer. Subsequently, this laminate was processed by the above-described charging method to obtain an electret sheet of Comparative Example 1 having the configuration shown in Table 2.
- Example 1 Instead of coating the adhesive layer composition of Preparation Example 1 in Comparative Example 1, the high dielectric layer composition of Preparation Example 2 was applied so that the thickness after drying was 5 ⁇ m.
- the thermoplastic resin film of Production Example 1 surface layer
- the composition for high dielectric layer of Preparation Example 2 / the thermoplastic resin film of Production Example 1 (Back layer)
- a laminate was obtained.
- This laminate has a high dielectric layer.
- this laminate was processed by the above-described charging method to obtain an electret sheet of Example 1 having the configuration shown in Table 2.
- Example 2 Gravure so that the coating amount after drying the high dielectric layer composition of Preparation Example 3 on one side of the thermoplastic resin film of Production Example 3 to be the back layer is 0.05 g / m 2 Coated with a coater and dried. The thickness of the high dielectric layer composition after drying was less than 0.1 ⁇ m and was negligible.
- the adhesive layer composition of Adjustment Example 1 is applied to the coated surface of the high dielectric layer composition of Adjustment Example 3 so that the thickness after drying is 10 ⁇ m, and the surface layer is dried while being dried.
- thermoplastic resin film of Production Example 2 is pasted and pressure-bonded, and the thermoplastic resin film (surface layer) of Production Example 2 / Adhesive layer composition of Adjustment Example 1 / High dielectric of Adjustment Example 3 A laminate of the layer composition / the thermoplastic resin film (back layer) of Production Example 3 was obtained. Subsequently, this laminate was processed by the above-described charging method to obtain an electret sheet of Example 2 having the configuration shown in Table 2.
- Example 3 The high dielectric layer composition of Preparation Example 4 was applied to the thermoplastic resin film of Production Example 1 serving as the back layer with a comma coater so that the thickness after drying was 40 ⁇ m, and dried. Subsequently, the adhesive layer composition of Preparation Example 1 was applied to the coated surface of the high dielectric layer composition of Preparation Example 4 so that the thickness after drying was 7 ⁇ m, and Production Example 2 was obtained as a surface layer. The thermoplastic resin film was bonded and pressure-bonded, the thermoplastic resin film (surface layer) of Production Example 2 / the composition for adhesive layer of Preparation Example 1 / the composition for high dielectric layer of Preparation Example 4 / production. The laminated body which is the structure of the thermoplastic resin film (back surface layer) of Example 1 was obtained. Subsequently, this laminate was processed by the above-described charging method, and the electret sheet of Example 3 having the configuration shown in Table 2 was obtained.
- Table 3 shows the results of measuring the surface potential and the adsorptive power of the electret sheets of each Example and Comparative Example.
- the electret sheet of Example 1 is supplied to a single facer used for the production of paper corrugated cardboard, and corrugated to form a flute with a height of 3 mm and a pitch of 3 mm, and the electret sheet of Example 1 is separately provided as a liner.
- a single-sided step was created by applying a pressure sensitive adhesive to the top part of the flute. Apply adhesive to the top of the other flute of the created single-sided step, and stack the single-sided step that was created separately so that the single-sided steps are in the same direction (flutes and liners are stacked alternately).
- the electret filter of Example 1 shown in FIG. 7 was obtained.
- a filter of Comparative Example 1 using the electret sheet of Comparative Example 1 as a flute and a liner was prepared.
- the difference (E 24 ⁇ E 0.5 ) between the surface potential E 24 after 24 hours of cleaning and the surface potential E 0.5 after 0.5 hours of cleaning is large. It was shown that the ability to recover the surface potential is high.
- an electret sheet (Comparative Example 1) having no material having a relative dielectric constant of 6 or more at 100 kHz between the front surface layer and the back surface layer made of a thermoplastic resin film having a relative dielectric constant of less than 6 at 100 kHz is the above-mentioned (E 24 -E 0.5 ) was small, and the ability to recover the surface potential after washing was low. Moreover, it is thought that the filter obtained by processing the electret sheet
- the filter using the electret sheet of the present invention is a low pressure loss type filter that has a high dust collection ability and is excellent in recovering the dust collection ability even after being washed. Therefore, a dust collector, an air conditioner, an air conditioner It is useful as a filter for humidifiers and the like, and is extremely useful for dust collection in closed spaces such as offices, factories, clean rooms, and homes.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
Abstract
Description
すなわち、本発明は下記の通りである。
前記表面層および前記裏面層はそれぞれ100kHzにおける比誘電率が6未満の熱可塑性樹脂フィルムであり、
前記高誘電体層は100kHzにおける比誘電率が6以上の材料であり、
前記表面層および前記裏面層は帯電処理による静電気を有していることを特徴とする、
エレクトレット化シート。
(2)前記高誘電体層が、比誘電率が10~30の4級アンモニウム塩型構造を有する水溶性ポリマーを含む、前記(1)に記載のエレクトレット化シート。
(3)前記表面層及び裏面層がポリオレフィン系樹脂フィルムである、前記(1)または(2)に記載のエレクトレット化シート。
(4)温度15℃の条件でイオン交換水に1分浸漬して引上げ、水をふき取り、温度23℃、湿度50%RHの環境下で24時間放置した時の表面電位(洗浄24時間後表面電位E24)が、0.2kV以上5kV以下である、前記(1)~(3)のいずれか1に記載のエレクトレット化シート。
(5)温度15℃の条件でイオン交換水に1分浸漬して引上げ、水をふき取り、温度23℃、湿度50%RHの環境下で24時間放置した時の表面電位を洗浄24時間後表面電位E24とし、温度15℃の条件でイオン交換水に1分浸漬して引上げ、水をふき取り、温度23℃、湿度50%RHの環境下で30分間放置した時の表面電位を洗浄0.5時間後表面電位E0.5としたとき、前記洗浄24時間後表面電位と洗浄0.5時間後表面電位との差(E24-E0.5)が0.1kV以上5kV以下である、前記(1)~(4)のいずれか1に記載のエレクトレット化シート。
(6)前記(1)~(5)のいずれか1に記載のエレクトレット化シートを用いて空気の流路を形成したフィルター。
(7)空気の流路断面率が10%以上99%以下である、前記(6)に記載のフィルター。
本発明のエレクトレット化シートは、表面層、高誘電体層、および裏面層を少なくとも含み、前記表面層と前記裏面層との間に前記高誘電体層を有するエレクトレット化シートであって、前記表面層および前記裏面層はそれぞれ100kHzにおける比誘電率が6未満の熱可塑性樹脂フィルムであり、前記高誘電体層は100kHzにおける比誘電率が6以上の材料であり、前記表面層および前記裏面層は帯電処理による静電気を有していることを特徴とする。
本発明のエレクトレット化シートは、上述したように、表面層、高誘電体層、および裏面層を少なくとも含む積層体からなり、表面層と裏面層との間に高誘電体層を有する。
なお本発明における表面層と裏面層は、いずれも本発明のエレクトレット化シート(あるいは積層体)の最外層である。また表面層および裏面層が、これらの層より内側に存在するいずれの層よりも低い比誘電率を示す場合、最外層表面に存在する電荷の移動が起こりにくく、帯電減衰を生じにくいため好ましい。
・表面層2a/高誘電体層3/裏面層2bの順に積層されたエレクトレット化シート1(図1参照)、
・表面層/接着剤層/高誘電体層/裏面層の順に積層されたエレクトレット化シート、
・表面層2a/第1の接着剤層4a/高誘電体層3/第2の接着剤層4b/裏面層2bの順に積層されたエレクトレット化シート1(図2参照)、
・表面層/第1の高誘電体層/接着剤層/第2の高誘電体層/裏面層の順に積層されたエレクトレット化シート、
・表面層2a/第1の高誘電体層3a/中間層2c/第2の高誘電体層3b/裏面層2bの順に積層されたエレクトレット化シート1(図3参照)、
・表面層/第1の接着剤層/第1の高誘電体層/第2の接着剤層/中間層/第3の接着剤層/第2の高誘電体層/第4の接着剤層/裏面層、等が挙げられる。
本発明のエレクトレット化シートは、表面層と裏面層との間に高誘電体層を設ける。ここで高誘電体層は、バルク材料として100kHzで測定したときに比誘電率が6以上の材料からなるものである。
Cx=εr×A/h ・・・(1)
高誘電体層は表面層と裏面層との間に設けるが、いずれかの層の内側に接着し積層体としてエレクトレット化シートを構成するため、高誘電体層が接着性を有していることが好ましい。そのため、高誘電体層を構成する材料の少なくとも1つが接着性を有していることが好ましい。
本発明のエレクトレット化シートは最表面に、表面層および裏面層のそれぞれを有する。すなわち、表面層および裏面層はいずれも本発明のエレクトレット化シートの最外層である。
εr = Cx × h /(ε0 × A)
εr: エレクトレット化シートの各層の比誘電率(-)
Cx: エレクトレット化シートの各層の静電容量(pF)
h : エレクトレット化シートの各層の厚み(m)
ε0: 真空の誘電率=8.854(pF/m)
A : 主電極の面積=3.848×10-4(m2)
表面層および裏面層に用いる熱可塑性樹脂の種類は特に制限されないが、100kHzで測定したときの比誘電率が高誘電体層に比べて低いことから、熱可塑性樹脂の例としては、高密度ポリエチレン、中密度ポリエチレン、低密度ポリエチレン、プロピレン系樹脂、及びポリメチル-1-ペンテン等のポリオレフィン系樹脂;エチレン・酢酸ビニル共重合体、エチレン・アクリル酸共重合体、マレイン酸変性ポリエチレン、及びマレイン酸変性ポリプロピレン等の官能基含有ポリオレフィン系樹脂;ナイロン-6、及びナイロン-6,6等のポリアミド系樹脂;ポリエチレンテレフタレートやその共重合体、ポリブチレンテレフタレート、及び脂肪族ポリエステル等の熱可塑性ポリエステル系樹脂;ポリカーボネート系樹脂;アタクティックポリスチレン、及びシンジオタクティックポリスチレン等のポリスチレン系樹脂等が挙げられる。
表面層および裏面層は、その中にボイド(空隙)を形成し、樹脂と空気との界面(表面積)を増加させることで、エレクトレット化シートの帯電性を向上させる観点から、無機微細粉末および有機フィラーの少なくとも1種、好ましくは無機微細粉末を配合することができる。
表面層および裏面層の熱可塑性樹脂組成物には、必要に応じて、熱安定剤(酸化防止剤)、光安定剤、分散剤、及び滑剤などを添加することができる。
エレクトレット化シートは、立体形状付与の観点から、表面層および裏面層とは別に、100kHzにおける比誘電率が6未満の熱可塑性樹脂フィルム層からなる中間層を有していてもよい。中間層を介して高誘電体層を複数積層することもできる。
本発明のエレクトレット化シートの製造工程は、表面層と裏面層との間に高誘電体層を有する積層体を成形する工程と、前記積層体に帯電処理を行う工程とを含む。エレクトレット化シートの製造工程における帯電処理工程の位置は、帯電処理工程の煩雑さ、帯電処理シートの取り扱い、設備上の制約、フィルターの要求性能等を勘案し、適宜決定することができる。すなわち、積層体を成形する工程の中で帯電処理を行なって直接エレクトレット化シートを得てもよく、積層体に対して帯電処理を行ってエレクトレット化シートを得てもよく、帯電処理していない積層体をフィルターの立体形状に加工してから帯電処理を行なってエレクトレット化シートを有するフィルターを得てもよい。
表面層、裏面層、および必要に応じて設けられる中間層は、熱可塑性樹脂フィルムとして成形される。
表面層、裏面層、高誘電体層、及び必要に応じて設けられる中間層を含んでなる積層体を得るための積層方法としては、前記の熱可塑性樹脂フィルムの多層化と同様な共押出法および押出ラミネート法によるインライン法、表面層である熱可塑性樹脂フィルムと裏面層である別の熱可塑性樹脂フィルムとで高誘電体層等を挟み込むアウトライン法が挙げられる。積層時に前記接着剤層を使用して各層を結合してもよい。
次いで、他の層を重ね、圧着ロールで加圧接着することにより積層が完了する。
積層体に帯電処理を行う方法としては、例えば、摩擦帯電、剥離帯電、コロナ放電やパルス状高電圧を加えるエレクトロエレクトレット化法、熱可塑性樹脂フィルムの両面を誘電体で保持し、両面に直流高電圧を加える方法、熱可塑性樹脂フィルムにγ線や電子線等の電離放射線を照射するラジオエレクトレット化法等が挙げられる。
本発明のエレクトレット化シートは帯電処理によってその表面および内部に電荷を保持することによって吸着力を発現する。表面電荷は除電処理、環境条件(特に相対湿度)、表面の洗浄等によって変動するため、例えば、温度23℃、湿度50%RHの環境下で24時間放置した時の表面電位(静的表面電位)を測定することで吸着力を評価することができる。前記表面電位(静的表面電位)が高くなると吸着力が高くなる傾向がある。なお、前記吸着力は、実施例で後述するように図8に示す吸着力測定装置を用いて測定することもできる。
本発明のフィルターは、前記エレクトレット化シートを立体加工して得るか、または積層体を立体加工したのちに帯電処理して得ることができる。またフィルターの中に帯電処理をしていないシートが含まれていてもよい。ここで、立体加工後の帯電処理は、帯電処理方法のうちバッチ式の方法を応用すればよいため、ここではエレクトレット化シートを立体加工して得られるフィルターについて説明する。
フィルターは、エレクトレット化シートを用いて空気の流路を形成したものである。その立体構造は特に限定されないが、例えば、カードボード構造、ハニカム構造、トラス構造、ピラー構造、及びリブ構造等が挙げられる。
フィルターにおける空気の流路断面率とは、フィルターの断面に対して空気の流路が占める割合である。したがって、その値が低いほど、フィルターの強度が増加すると同時に、空気の流通に対する抵抗となり圧力損失が増加する傾向がある。空気の流路断面率は、フィルターの断面積から、シート基材厚みと流路成形に使用したシート基材の長さの積であるシート基材の断面積を除したものである。またこの値は断面の画像観察から求めることもできる。
(厚み)
積層体全層およびエレクトレット化シートの厚みは、JIS K7130:1999に準拠し、定圧厚さ測定器((株)テクロック製、製品名:PG-01J)を用いて測定した。
表面層、裏面層、接着剤層、高誘電体層各々層の厚みは、測定対象試料を液体窒素にて-60℃以下の温度に冷却し、ガラス板上に置いた試料に対してカミソリ刃(シック・ジャパン(株)製、製品名:プロラインブレード)を直角に当て切断して断面観察用の試料を作成し、得られた試料を走査型電子顕微鏡(日本電子(株)製、製品名:JSM-6490)を使用して断面観察を行い、組成観察像から層間の境界線を判別して、観察される層厚み比率を求め、さらに、この層厚み比率に積層体全層およびエレクトレット化シートの厚みを乗算して求めた。
各製造例で得た表面層材料または裏面層材料の一方の面に、導電性塗料((株)藤倉化成製、製品名:ドータイトD-500)を直径70mmの円となるようにスクリーン印刷し、常温で24時間以上硬化させて主電極を形成し、次いで反対側の面に、同導電性塗料を直径100mmの同心円となるようにスクリーン印刷し、常温で24時間以上硬化させて対電極を形成して、試料を得た。
また、各調整例で得た接着剤層用組成物または高誘電体層用組成物を金属アルミニウムシート上に、塗工量50g/m2となるように当該塗料をアプケーターで塗工し、40℃で1分間乾燥した後に、塗工面にもう1枚の金属アルミニウムシートを重ね、ロールで圧接して、10cm四方に切り出し、温度23℃、相対湿度50%の環境条件下で1日調湿して試料を得た。
静電容量の測定装置としては、インピーダンスアナライザ(Keysight Technologies社製、製品名:E4990A)を使用した。温度23℃、相対湿度50%の環境条件下で各エレクトレット化シートに1Vの電圧を印加し、20Hz~1MHzの範囲の周波数で静電容量を測定し、周波数100kHzでの静電容量(Cx)を代表値として測定した。次いで同値と別途測定した厚みを用いて、以下の式により比誘電率を計算により求めた。
εr = Cx × h /(ε0 × A)
εr: エレクトレット化シートの各層の比誘電率(-)
Cx: エレクトレット化シートの各層の静電容量(pF)
h : エレクトレット化シートの各層の厚み(m)
ε0: 真空の誘電率=8.854(pF/m)
A : 主電極の面積=3.848×10-4(m2)
各製造例で得た表面層及び裏面層の水蒸気透過係数はJIS-Z-0208に準拠して、カップ法により、40℃、90%RHにて測定した。得られた透湿度(g/(m2・24hr))とフィルムの厚み(mm)とから、水蒸気透過係数(g・mm/(m2・24hr))を求めた。
アルミ板をアースとして、表面電位計(春日電機(株)製、製品名:KSD-3000)のプローブと紙面との間隔が1cmとなるようにして、表面電位を5点測定し、その平均を値とした。以下、測定条件を示す。
電荷注入直後の電位EA:バッチ式帯電装置で帯電させた直後の試料を、除電ブラシを用いて表面の電荷を除去し、直ちに前記アルミ板上に乗せ、表面電位を測定した。
洗浄0.5時間後の表面電位E0.5:容器に溜めたイオン交換水中にサンプルを浸漬して1分間静置し、サンプルを取り出してティッシュで余分な水をふき取り、温度23℃、相対湿度50%の条件下で0.5時間吊るして乾燥させた試料を前記アルミ板上に乗せ、表面電位を測定した。
洗浄24時間後の表面電位E24:洗浄0.5時間後の表面電位を測定したサンプルを再び温度23℃、相対湿度50%の条件下で23.5時間吊るした試料を前記アルミ板上に乗せ、表面電位を測定した。
各実施例及び比較例で得たエレクトレット化シートを、図8に示すように200mm×220mmのサイズに断裁し、温度23℃、相対湿度50%の環境下で24時間保管した後、同環境下で、図8に概略図を示す吸着力測定装置のガラス板52上に、エレクトレット化シート51を吸着面積が200mm×200mmとなり、下端20mm幅分がはみ出す様に貼り付け、エレクトレット化シート51の下端分にクリップ54を取り付け、釣り糸55を取り付けた10gの分銅56を1つずつクリップ54に追加していき、エレクトレット化シート51がガラス板52から滑り落ちた時の分銅56の重さから、吸着力を平米当りに換算して求めた。
(P-1)
ポリエチレングリコールモノメタクリレート(日本油脂(株)製、製品名:ブレンマーPE-350)100重量部、過塩素酸リチウム(和光純薬工業(株)製、試薬)20重量部、ヒドロキノン(和光純薬工業(株)製、試薬)1重量部およびプロピレングリコールモノエチルエーテル(和光純薬工業(株)製、試薬)400重量部を、攪拌装置、還流冷却管(コンデンサー)、温度計、及び滴下ロートを装着した四つ口フラスコに導入し、系内を窒素置換し、60℃で40時間反応させた。これにステアリルメタクリレート(和光純薬工業(株)製、試薬)5重量部、n-ブチルメタクリレート(和光純薬工業(株)製、試薬)5重量部、アゾビスイソブチロニトリル(和光純薬工業(株)製、試薬)1重量部を添加し、80℃で3時間重合反応した後、プロピレングリコールモノエチルエーテルを添加して固形分を20重量%に調整し、重量平均分子量約30万、固形分中のリチウム濃度0.6重量%のアルカリ金属塩含有ポリマー(ポリエチレンオキシド)よりなる帯電防止機能を有するポリマーの溶液(略号P-1)を得た。
(P-2)
環流冷却器、温度計、窒素置換用ガラス管、及び撹拌装置を取り付けた4つ口フラスコに、ジメチルアミノエチルメタクリレート35質量部、エチルメタアクリレート20質量部、シクロヘキシルメタアクリレート20質量部、ステアリルメタアクリレート25質量部、エチルアルコール150質量部、アゾビスイソブチロニトリル1質量部を添加し、窒素気流下、80℃で6時間重合反応を行った。
次いで、3-クロロ-2-ヒドロキシプロピルアンモニウムクロリドの60質量%溶液70質量部を加え、更に80℃で15時間反応させた後、水を滴下しながらエチルアルコールを留去し、固形分濃度30質量%の第四級アンモニウム塩型共重合体(略号P-2)を得た。
(P-3)
ポリエチレンイミン(日本触媒製、製品名:エポミンP-1000、固形分濃度100質量%、略号P-3)をそのまま用いた。
(P-4)
アクリル酸エステル系共重合体(東亞合成(株)製、製品名:アロンタックS-1511X、固形分濃度40質量%、略号P-4)をそのまま用いた。
ヘキサメチレンジイソシアネート(東ソー製(株)、製品名:HDI)をそのまま用いた。
[接着剤層・高誘電体層用組成物の調製]
高分子バインダーP-4を酢酸エチルで固形分濃度30質量%に希釈し、撹拌しながら5分間かけて硬化剤を滴下した。下記表1に示すように、P-4と硬化剤との固形分比は1:1とした。
(調整例2:高誘電体層用組成物)
高分子バインダーP-4を酢酸エチルで固形分濃度25質量%に希釈し、撹拌しながら帯電防止機能を有するポリマーP-1を添加した後、15分間撹拌を継続した。次に、撹拌しながら5分間かけて硬化剤を滴下したのち、酢酸エチルで固形分濃度を20質量%に調整した。下記表1に示すように、P-1、P-4、硬化剤の固形分比は15:42.5:42.5とした。
(調整例3:高誘電体層用組成物)
イオン交換水を撹拌しながら、帯電防止機能を有するポリマーP-2を添加し、5分間撹拌した。次に高分子バインダーP-3を添加したのち、15分間撹拌を継続した。次にイオン交換水で固形分濃度を1.5質量%に調整した。下記表1に示すように、P-2とP-3との固形分比は1:4とした。
(調整例4:高誘電体層用組成物)
下記表1に示すように、帯電防止機能を有するポリマーP-1をそのまま用いた。
(製造例1)
市販の2軸延伸ポリプロピレンフィルム(東洋紡(株)製、製品名:OT-P2108、厚み:40μm)をそのまま使用した。本品には片面にコロナ放電処理が行われているが、帯電防止処理は行われていない。
(製造例2)
市販の2軸延伸ポリプロピレンフィルム(東洋紡(株)製、製品名:OT-P2102、厚み:20μm)をそのまま使用した。本品には片面にコロナ放電処理が行われているが、帯電防止処理は行われていない。
(製造例3)
プロピレン単独重合体(日本ポリプロ(株)製、製品名:ノバテックPP FY4)70質量%、高密度ポリエチレン(日本ポリエチレン(株)製、製品名:ノバテックHD HJ360)10質量%、重質炭酸カルシウム(備北粉化工業(株)製、製品名:ソフトン1800)20質量%とからなる熱可塑性樹脂組成物aを230℃に設定した押出機にて溶融混練した後、250℃に設定した押出ダイに供給しシート状に押し出し、これを冷却装置により60℃まで冷却して無延伸シートを得た。
この無延伸シートを135℃に加熱し、ロール群の周速差を利用して縦方向に5倍延伸した。
次に、プロピレン単独重合体(日本ポリプロ(株)製、製品名:ノバテックPP MA3)45質量%、高密度ポリエチレン(日本ポリエチレン(株)製、製品名:ノバテックHD HJ360)10質量%、重質炭酸カルシウム(備北粉化工業(株)製、製品名:ソフトン1800)45質量%とからなる樹脂組成物bを250℃に設定した2台の押出機にて溶融混練した後、シート状に押し出して前記5倍延伸シートの両面にそれぞれに積層し、3層構造の積層シートを得た。
次いで、この積層シートを60℃まで冷却し、テンターオーブンを用いて再び約150℃に加熱して横方向に8.5倍延伸した後、更に160℃まで加熱して熱処理を行った。
次いで60℃に冷却し、耳部をスリットした後、この積層シートの両面にコロナ放電による表面処理を施し、厚みが80μm、3層構造〔各層樹脂組成(b/a/b)、各層厚み(25μm/30μm/25μm)、各層延伸軸数(1軸/2軸/1軸)〕の熱可塑性樹脂フィルムを得た。
図6に概略図を示すエレクトレット化シート製造装置を用い、実施例1~3および比較例1で得られた積層体をロール(21)より巻きだし、直流高圧電源(23)に接続した針状印加電極(24)とロール状アース電極(25)間で直流式のコロナ放電による電荷注入処理を実施して、これを巻き取り、各実施例および比較例のエレクトレット化シート(22)を得た。電荷注入処理の条件としては、図6中の針状印加電極(24)とロール状アース電極(25)間の距離を1cmに設定し、表3に記載の印加電圧を用いた。
続いて、この積層体を前記の帯電処理方法で処理し、表2に示す構成の比較例1のエレクトレット化シートを得た。
続いて、この積層体を前記の帯電処理方法で処理し、表2に示す構成の実施例1のエレクトレット化シートを得た。
次に、前記調整例3の高誘電体層用組成物の塗工面に調整例1の接着剤層用組成物を乾燥後の厚みが10μmとなるように塗工し、乾燥しながら、表面層となる製造例2の熱可塑性樹脂フィルムを貼合して圧着して、製造例2の熱可塑性樹脂フィルム(表面層)/調整例1の接着剤層用組成物/調整例3の高誘電体層用組成物/製造例3の熱可塑性樹脂フィルム(裏面層)の積層体を得た。
続いて、この積層体を前記の帯電処理方法で処理し、表2に示す構成の実施例2のエレクトレット化シートを得た。
続いて、この積層体を前記の帯電処理方法で処理し、表2に示す構成の実施例3のエレクトレット化シートを得た。
実施例1のエレクトレット化シートを紙製段ボールの製造に使用するシングルフェーサーに供給し、山高さ3mm、ピッチ3mmのフルートとなる様にコルゲート加工し、別途、実施例1のエレクトレット化シートをライナーとして供給し、フルートの頂上部分に感圧接着剤を塗工して片面段を作成した。
作成した片面段のもう一方のフルートの頂上部に接着剤を塗工し、別に作成した片面段を片面段同士が同方向になる様に(フルートとライナーが交互に積層する様に)積層してゆき、図7に図示する実施例1のエレクトレットフィルターを得た。
同様にして比較例1のエレクトレット化シートをフルートおよびライナーとして使用した比較例1のフィルターを作成した。
また、洗浄後の表面電位が高いエレクトレット化シートを加工して得られるフィルターは、洗浄後の集塵能力の回復率が高いと考えられる。
2a 表面層
2b 裏面層
2c 中間層
3 高誘電体層
3a 第1の高誘電体層
3b 第2の高誘電体層
4a 第1の接着剤層
4b 第2の接着剤層
11 熱可塑性樹脂フィルム
12 直流高圧電源
13 針状印加電極
14 板状アース電極(面状配列)
15 針状印加電極
16 ロール状アース電極
21 積層体のロール
22 エレクトレット化シート
23 直流高圧電源
24 針状印加電極(横一列配置)
25 ロール状アース電極
26 ガイドロール(グランドアース接続)
27 ニップロール
28 ニップロール
38 評価用フィルター
51 エレクトレット化シート
52 ガラス板
53 支柱
54 クリップ
55 釣り糸
56 分銅
Claims (7)
- 表面層、高誘電体層、および裏面層を少なくとも含み、前記表面層と前記裏面層との間に前記高誘電体層を有するエレクトレット化シートであって、
前記表面層および前記裏面層はそれぞれ100kHzにおける比誘電率が6未満の熱可塑性樹脂フィルムであり、
前記高誘電体層は100kHzにおける比誘電率が6以上の材料であり、
前記表面層および前記裏面層は帯電処理による静電気を有していることを特徴とする、
エレクトレット化シート。 - 前記高誘電体層が、比誘電率が10~30の4級アンモニウム塩型構造を有する水溶性ポリマーを含む、請求項1に記載のエレクトレット化シート。
- 前記表面層及び裏面層がポリオレフィン系樹脂フィルムである、請求項1または2に記載のエレクトレット化シート。
- 温度15℃の条件でイオン交換水に1分浸漬して引上げ、水をふき取り、温度23℃、湿度50%RHの環境下で24時間放置した時の表面電位(洗浄24時間後表面電位E24)が、0.2kV以上5kV以下である、請求項1~3のいずれか1項に記載のエレクトレット化シート。
- 温度15℃の条件でイオン交換水に1分浸漬して引上げ、水をふき取り、温度23℃、湿度50%RHの環境下で24時間放置した時の表面電位を洗浄24時間後表面電位E24とし、温度15℃の条件でイオン交換水に1分浸漬して引上げ、水をふき取り、温度23℃、湿度50%RHの環境下で30分間放置した時の表面電位を洗浄0.5時間後表面電位E0.5としたとき、前記洗浄24時間後表面電位と洗浄0.5時間後表面電位との差(E24-E0.5)が0.1kV以上5kV以下である、請求項1~4のいずれか1項に記載のエレクトレット化シート。
- 請求項1~5のいずれか1項に記載のエレクトレット化シートを用いて空気の流路を形成したフィルター。
- 空気の流路断面率が10%以上99%以下である、請求項6に記載のフィルター。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/491,627 US20200009489A1 (en) | 2017-03-10 | 2018-03-07 | Electret-treated sheet and filter |
JP2019504653A JP6877530B2 (ja) | 2017-03-10 | 2018-03-07 | エレクトレット化シートおよびフィルター |
CN201880016790.9A CN110392601B (zh) | 2017-03-10 | 2018-03-07 | 驻极体化片材及过滤器 |
EP18763935.6A EP3593883A4 (en) | 2017-03-10 | 2018-03-07 | ELECTRO-TREATED FOIL AND FILTER |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017046213 | 2017-03-10 | ||
JP2017-046213 | 2017-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018164207A1 true WO2018164207A1 (ja) | 2018-09-13 |
Family
ID=63448667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2018/008877 WO2018164207A1 (ja) | 2017-03-10 | 2018-03-07 | エレクトレット化シートおよびフィルター |
Country Status (5)
Country | Link |
---|---|
US (1) | US20200009489A1 (ja) |
EP (1) | EP3593883A4 (ja) |
JP (1) | JP6877530B2 (ja) |
CN (1) | CN110392601B (ja) |
WO (1) | WO2018164207A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020145234A1 (ja) * | 2019-01-09 | 2020-07-16 | 王子ホールディングス株式会社 | コルゲートハニカム構造物、コルゲートハニカム積層物、及びこれらの製造方法 |
WO2023163218A1 (ja) * | 2022-02-28 | 2023-08-31 | 株式会社ユポ・コーポレーション | エレクレットシート及びフィルター |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10898843B2 (en) * | 2017-01-25 | 2021-01-26 | Samuel Stephen Grimes | Reusable air filter |
JPWO2019171996A1 (ja) * | 2018-03-09 | 2021-03-11 | 東レ株式会社 | 帯電防止粉塵防護生地およびそれを使用した防護服 |
JP7453797B2 (ja) * | 2020-01-24 | 2024-03-21 | キヤノン株式会社 | 静電フィルター用ユニット及び静電フィルター |
CN111249805B (zh) * | 2020-02-28 | 2022-07-12 | 厦门理工学院 | 一种驻极纳米纤维过滤材料及其制备方法 |
CN111495035B (zh) * | 2020-02-28 | 2022-09-06 | 中科贝思达(厦门)环保科技股份有限公司 | 一种驻极纳米纤维空气过滤材料及其制备方法 |
CN111330355B (zh) * | 2020-02-28 | 2022-06-14 | 厦门理工学院 | 一种驻极纳米纤维高效过滤材料及其制备方法 |
CN111682099B (zh) * | 2020-06-01 | 2022-01-07 | 华中科技大学 | 一种柔性聚合物压电薄膜及其制备方法 |
CN112337192B (zh) * | 2020-09-16 | 2021-12-07 | 齐鲁工业大学 | 含有发泡涂层的高效过滤材料及其制备方法与应用 |
WO2022064332A1 (en) * | 2020-09-22 | 2022-03-31 | 3M Innovative Properties Company | Filter with electret additives |
CN114919247A (zh) * | 2022-05-10 | 2022-08-19 | 浙江师范大学 | 一种层状复合薄膜及其制备方法、应用 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62196812A (ja) * | 1986-02-24 | 1987-08-31 | 東レ株式会社 | 積層エレクトレット繊維状シ−ト |
JP2004136625A (ja) | 2002-10-21 | 2004-05-13 | Nitto Denko Corp | 帯電防止用シート及び粘着テープ |
JP2008018350A (ja) | 2006-07-13 | 2008-01-31 | Toray Ind Inc | 耐水性エレクトレットシートおよび平行流型エアフィルター |
JP2010023502A (ja) | 2008-06-16 | 2010-02-04 | Yupo Corp | 積層フィルム |
JP2011084735A (ja) * | 2009-09-17 | 2011-04-28 | Yupo Corp | エネルギー変換用フィルム |
JP2015071297A (ja) * | 2013-09-04 | 2015-04-16 | 株式会社ユポ・コーポレーション | 静電吸着シートおよびそれを用いた表示物 |
WO2015056724A1 (ja) * | 2013-10-15 | 2015-04-23 | 株式会社ユポ・コーポレーション | フィルター |
JP2016039275A (ja) * | 2014-08-08 | 2016-03-22 | 株式会社ユポ・コーポレーション | エレクトレット材料及びその使用方法、並びにセンサー及びその使用方法 |
JP2017046213A (ja) | 2015-08-27 | 2017-03-02 | 株式会社デンソー | 車両周辺画像表示制御装置及び車両周辺画像表示制御プログラム |
JP2017225968A (ja) * | 2016-06-20 | 2017-12-28 | パナソニックIpマネジメント株式会社 | エアフィルタ濾材 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01210053A (ja) * | 1988-02-19 | 1989-08-23 | Matsushita Electric Ind Co Ltd | 集塵電極 |
JP2817238B2 (ja) * | 1989-08-04 | 1998-10-30 | 東洋紡績株式会社 | エレクトレット化多孔質シートの製造方法 |
JP5061898B2 (ja) * | 2005-06-24 | 2012-10-31 | 東洋インキScホールディングス株式会社 | 帯電防止アクリル粘着剤 |
CN102150225B (zh) * | 2008-09-12 | 2013-01-16 | 优泊公司 | 驻极体化薄膜及含有其的驻极体 |
DE102008047552A1 (de) * | 2008-09-16 | 2010-04-08 | Carl Freudenberg Kg | Elektretfilterelement und Verfahren zu dessen Herstellung |
JP5646346B2 (ja) * | 2008-12-25 | 2014-12-24 | 株式会社クラレ | フィルター用濾材及びフィルターカートリッジ |
CN102470302B (zh) * | 2009-07-08 | 2015-03-11 | Jnc株式会社 | 使用了层叠驻极体无纺布的空气过滤材料 |
HUE031927T2 (en) * | 2010-08-23 | 2017-08-28 | Fiberweb Holdings Ltd | Non-woven fabrics and fibers with electret properties, a process for their production and use |
AU2011345768B2 (en) * | 2010-12-22 | 2015-12-24 | Yupo Corporation | Electrostatic adhesive sheet |
WO2013191289A1 (ja) * | 2012-06-22 | 2013-12-27 | 株式会社ユポ・コーポレーション | 静電吸着シートおよびそれを用いた表示物 |
JP3180095U (ja) * | 2012-08-30 | 2012-12-06 | 株式会社ユポ・コーポレーション | 救急医療情報提供シート |
-
2018
- 2018-03-07 JP JP2019504653A patent/JP6877530B2/ja active Active
- 2018-03-07 WO PCT/JP2018/008877 patent/WO2018164207A1/ja active Application Filing
- 2018-03-07 CN CN201880016790.9A patent/CN110392601B/zh active Active
- 2018-03-07 EP EP18763935.6A patent/EP3593883A4/en active Pending
- 2018-03-07 US US16/491,627 patent/US20200009489A1/en not_active Abandoned
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62196812A (ja) * | 1986-02-24 | 1987-08-31 | 東レ株式会社 | 積層エレクトレット繊維状シ−ト |
JP2004136625A (ja) | 2002-10-21 | 2004-05-13 | Nitto Denko Corp | 帯電防止用シート及び粘着テープ |
JP2008018350A (ja) | 2006-07-13 | 2008-01-31 | Toray Ind Inc | 耐水性エレクトレットシートおよび平行流型エアフィルター |
JP2010023502A (ja) | 2008-06-16 | 2010-02-04 | Yupo Corp | 積層フィルム |
JP2011084735A (ja) * | 2009-09-17 | 2011-04-28 | Yupo Corp | エネルギー変換用フィルム |
JP2015071297A (ja) * | 2013-09-04 | 2015-04-16 | 株式会社ユポ・コーポレーション | 静電吸着シートおよびそれを用いた表示物 |
WO2015056724A1 (ja) * | 2013-10-15 | 2015-04-23 | 株式会社ユポ・コーポレーション | フィルター |
JP2015098022A (ja) | 2013-10-15 | 2015-05-28 | 株式会社ユポ・コーポレーション | フィルター |
JP2016039275A (ja) * | 2014-08-08 | 2016-03-22 | 株式会社ユポ・コーポレーション | エレクトレット材料及びその使用方法、並びにセンサー及びその使用方法 |
JP2017046213A (ja) | 2015-08-27 | 2017-03-02 | 株式会社デンソー | 車両周辺画像表示制御装置及び車両周辺画像表示制御プログラム |
JP2017225968A (ja) * | 2016-06-20 | 2017-12-28 | パナソニックIpマネジメント株式会社 | エアフィルタ濾材 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3593883A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020145234A1 (ja) * | 2019-01-09 | 2020-07-16 | 王子ホールディングス株式会社 | コルゲートハニカム構造物、コルゲートハニカム積層物、及びこれらの製造方法 |
JPWO2020145234A1 (ja) * | 2019-01-09 | 2021-11-18 | 王子ホールディングス株式会社 | コルゲートハニカム構造物、コルゲートハニカム積層物、及びこれらの製造方法 |
JP7216926B2 (ja) | 2019-01-09 | 2023-02-02 | 王子ホールディングス株式会社 | コルゲートハニカム構造物及びコルゲートハニカム積層物の製造方法 |
WO2023163218A1 (ja) * | 2022-02-28 | 2023-08-31 | 株式会社ユポ・コーポレーション | エレクレットシート及びフィルター |
Also Published As
Publication number | Publication date |
---|---|
US20200009489A1 (en) | 2020-01-09 |
EP3593883A4 (en) | 2020-12-30 |
JPWO2018164207A1 (ja) | 2020-01-09 |
CN110392601B (zh) | 2021-05-28 |
JP6877530B2 (ja) | 2021-05-26 |
CN110392601A (zh) | 2019-10-29 |
EP3593883A1 (en) | 2020-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018164207A1 (ja) | エレクトレット化シートおよびフィルター | |
JP6482814B2 (ja) | フィルター | |
EP2657926B1 (en) | Electrostatic adsorbable sheet | |
JP6363432B2 (ja) | 静電吸着シートおよびそれを用いた表示物 | |
JP5638211B2 (ja) | エレクトレット化フィルム | |
EP2865520A1 (en) | Electrostatically adsorptive sheet and display using same | |
US11433333B2 (en) | Electretized sheet and filter | |
JP4988063B1 (ja) | 透明静電吸着シート | |
JP6678239B2 (ja) | 静電吸着積層シート及び表示物 | |
JP2014044413A (ja) | 静電吸着シート、記録物ならびに該記録物を用いた表示物 | |
JP6504833B2 (ja) | 情報シート、情報シートの製造方法、及び情報表示体 | |
JP6636346B2 (ja) | 静電吸着シート及びその製造方法 | |
JP2023125987A (ja) | 静電吸着シート | |
JP2022133991A (ja) | エレクトレットフィルムの製造方法及び製造装置 | |
JP3196866U (ja) | 静電吸着地図シート及び地図表示体 | |
JPH0747641A (ja) | 積層フィルム | |
JPH07205358A (ja) | 積層フィルム | |
JPH0747640A (ja) | 積層フィルム |
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: 18763935 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019504653 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2018763935 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2018763935 Country of ref document: EP Effective date: 20191010 |