WO2023008117A1 - 環状カーボネートの回収方法及び製造方法 - Google Patents
環状カーボネートの回収方法及び製造方法 Download PDFInfo
- Publication number
- WO2023008117A1 WO2023008117A1 PCT/JP2022/026754 JP2022026754W WO2023008117A1 WO 2023008117 A1 WO2023008117 A1 WO 2023008117A1 JP 2022026754 W JP2022026754 W JP 2022026754W WO 2023008117 A1 WO2023008117 A1 WO 2023008117A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carbonate
- gas
- polyalkylene carbonate
- polyalkylene
- cracked gas
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 150000005676 cyclic carbonates Chemical class 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000011084 recovery Methods 0.000 title claims abstract description 7
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 81
- 229920001281 polyalkylene Polymers 0.000 claims abstract description 80
- 238000005979 thermal decomposition reaction Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910010272 inorganic material Inorganic materials 0.000 claims description 8
- 239000011147 inorganic material Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000003463 adsorbent Substances 0.000 claims description 7
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 claims description 5
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 5
- XTUSLLYSMVWGPS-UHFFFAOYSA-N carbonic acid;cyclohexene Chemical compound OC(O)=O.C1CCC=CC1 XTUSLLYSMVWGPS-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 abstract description 18
- 239000011230 binding agent Substances 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 73
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 150000002118 epoxides Chemical class 0.000 description 11
- 239000004417 polycarbonate Substances 0.000 description 10
- 238000005238 degreasing Methods 0.000 description 9
- 229920000515 polycarbonate Polymers 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 6
- -1 polyethylene carbonate Polymers 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 5
- ZWAJLVLEBYIOTI-UHFFFAOYSA-N cyclohexene oxide Chemical compound C1CCCC2OC21 ZWAJLVLEBYIOTI-UHFFFAOYSA-N 0.000 description 5
- FWFSEYBSWVRWGL-UHFFFAOYSA-N cyclohexene oxide Natural products O=C1CCCC=C1 FWFSEYBSWVRWGL-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- RBACIKXCRWGCBB-UHFFFAOYSA-N 1,2-Epoxybutane Chemical compound CCC1CO1 RBACIKXCRWGCBB-UHFFFAOYSA-N 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920000379 polypropylene carbonate Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 229920005604 random copolymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- GELKGHVAFRCJNA-UHFFFAOYSA-N 2,2-Dimethyloxirane Chemical compound CC1(C)CO1 GELKGHVAFRCJNA-UHFFFAOYSA-N 0.000 description 1
- PQXKWPLDPFFDJP-UHFFFAOYSA-N 2,3-dimethyloxirane Chemical compound CC1OC1C PQXKWPLDPFFDJP-UHFFFAOYSA-N 0.000 description 1
- STMDPCBYJCIZOD-UHFFFAOYSA-N 2-(2,4-dinitroanilino)-4-methylpentanoic acid Chemical compound CC(C)CC(C(O)=O)NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O STMDPCBYJCIZOD-UHFFFAOYSA-N 0.000 description 1
- LKMJVFRMDSNFRT-UHFFFAOYSA-N 2-(methoxymethyl)oxirane Chemical compound COCC1CO1 LKMJVFRMDSNFRT-UHFFFAOYSA-N 0.000 description 1
- JFDMLXYWGLECEY-UHFFFAOYSA-N 2-benzyloxirane Chemical compound C=1C=CC=CC=1CC1CO1 JFDMLXYWGLECEY-UHFFFAOYSA-N 0.000 description 1
- WHNBDXQTMPYBAT-UHFFFAOYSA-N 2-butyloxirane Chemical compound CCCCC1CO1 WHNBDXQTMPYBAT-UHFFFAOYSA-N 0.000 description 1
- BCJPEZMFAKOJPM-UHFFFAOYSA-N 2-ethyl-3-methyloxirane Chemical compound CCC1OC1C BCJPEZMFAKOJPM-UHFFFAOYSA-N 0.000 description 1
- NJWSNNWLBMSXQR-UHFFFAOYSA-N 2-hexyloxirane Chemical compound CCCCCCC1CO1 NJWSNNWLBMSXQR-UHFFFAOYSA-N 0.000 description 1
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 description 1
- AAMHBRRZYSORSH-UHFFFAOYSA-N 2-octyloxirane Chemical compound CCCCCCCCC1CO1 AAMHBRRZYSORSH-UHFFFAOYSA-N 0.000 description 1
- SYURNNNQIFDVCA-UHFFFAOYSA-N 2-propyloxirane Chemical compound CCCC1CO1 SYURNNNQIFDVCA-UHFFFAOYSA-N 0.000 description 1
- GJEZBVHHZQAEDB-UHFFFAOYSA-N 6-oxabicyclo[3.1.0]hexane Chemical compound C1CCC2OC21 GJEZBVHHZQAEDB-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910004829 CaWO4 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910026551 ZrC Inorganic materials 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 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
- 125000004122 cyclic group Chemical group 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- LDLDYFCCDKENPD-UHFFFAOYSA-N ethenylcyclohexane Chemical compound C=CC1CCCCC1 LDLDYFCCDKENPD-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- 239000005355 lead glass Substances 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 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
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000000075 oxide glass Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 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
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 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
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-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
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052844 willemite Inorganic materials 0.000 description 1
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D317/34—Oxygen atoms
- C07D317/36—Alkylene carbonates; Substituted alkylene carbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Definitions
- the present disclosure relates to a method for recovering a cyclic carbonate, which is a decomposition product of polycarbonate, a method for producing it, and the like. It should be noted that the contents of all documents mentioned herein are hereby incorporated by reference.
- Ceramic products are widely used in various fields, such as insulating materials, heat-resistant materials, and machine parts. These materials are manufactured by mixing raw ceramic powder and organic binders and molding them by various methods such as injection molding, extrusion molding, casting molding, tape molding, etc., followed by degreasing and sintering processes. be done. Among ceramic products, multilayer ceramic capacitors (MLCC), for example, are in high demand and are actively manufactured by this method.
- MLCC multilayer ceramic capacitors
- Methylcellulose, polyvinyl alcohol, polyvinyl butyral, acrylic resin, etc. are usually used as the organic binder.
- polyalkylene carbonate as the organic binder has been suggested (for example, Patent Documents 4, 5, and 6).
- the inventors investigated whether polyalkylene carbonate can be effectively used as an organic binder in the production of ceramic parts.
- polyalkylene carbonate can be used as an organic binder in the production of ceramics. Furthermore, in the study, the present inventors found that the gas generated by heating and decomposing polyalkylene carbonate for degreasing contained cyclic carbonate. It is preferable to recover the generated cyclic carbonate, and since the cyclic carbonate is a material with high utility value as a raw material for electrolytic solutions and polycarbonates, the present inventors have found polyalkylene carbonate used as a binder in the production of ceramics. Further investigations were carried out on the recovery of cyclic carbonates from
- Section 1. (B) recovering the cyclic carbonate contained in the cracked gas generated by thermal decomposition of the polyalkylene carbonate; A method for recovering a cyclic carbonate, comprising: Section 2. 3. The method of claim 1, further comprising pyrolyzing and gasifying (A) the polyalkylene carbonate prior to (B). Item 3. Item 3. The method according to Item 1 or 2, wherein the cracked gas is recovered after concentrating the cracked gas. Section 4. Item 3. Item 2, comprising (a) heating a mixture containing a polyalkylene carbonate and an inorganic material to decompose and gasify the polyalkylene carbonate (b) concentrating and recovering the resulting gas. Method. Item 5.
- Item 5 The method according to item 3 or 4, wherein the gas concentration is performed by at least one operation selected from the group consisting of (i), (ii), and (iii) below. (i) adsorbing the polyalkylene carbonate cracked gas on a gas adsorbent; (ii) separating the polyalkylene carbonate cracked gas with a gas separating substance; and (iii) cooling and liquefying the polyalkylene carbonate cracked gas.
- Item 6 The method according to any one of Items 1 to 5, wherein the cyclic carbonate is at least one selected from the group consisting of ethylene carbonate, propylene carbonate, butylene carbonate, and cyclohexene carbonate.
- a method for producing a cyclic carbonate comprising: Item 8.
- Item 8. The method of Item 7, further comprising pyrolyzing and gasifying (A) the polyalkylene carbonate prior to (B).
- Item 9. The method according to Item 7 or 8, wherein the cracked gas is recovered after concentrating the cracked gas.
- Item 10. Item 9. Item 8, comprising (a) heating a mixture containing a polyalkylene carbonate and an inorganic material to decompose and gasify the polyalkylene carbonate (b) concentrating and recovering the resulting gas. Method.
- Item 11. Item 11.
- Item 12 The method according to any one of Items 7 to 11, wherein the cyclic carbonate is at least one selected from the group consisting of ethylene carbonate, propylene carbonate, butylene carbonate, and cyclohexene carbonate.
- a method for recovering or producing a cyclic carbonate from a gas obtained by thermal decomposition after using polyalkylene carbonate.
- the present disclosure includes methods of recovering or producing cyclic carbonates, and the like.
- a method for recovering or producing a cyclic carbonate included in the present disclosure includes recovering a cyclic carbonate contained in cracked gas generated by thermal decomposition of polyalkylene carbonate.
- the method for recovering or producing the cyclic carbonate may be referred to as the method of the present disclosure.
- the polyalkylene carbonate used in the method of the present disclosure is obtained, for example, by copolymerizing epoxide and carbon dioxide.
- epoxides include, but are not limited to, ethylene oxide, propylene oxide, 1-butene oxide, 2-butene oxide, isobutylene oxide, 1-pentene oxide, 2-pentene oxide, 1-hexene oxide, 1- octene oxide, 1-decene oxide, cyclopentene oxide, cyclohexene oxide, styrene oxide, vinylcyclohexane oxide, 3-phenylpropylene oxide, allyl glycidyl ether, methyl glycidyl ether, phenyl glycidyl ether, epichlorohydrin and the like.
- ethylene oxide, propylene oxide, 1-butene oxide and cyclohexene oxide are preferred. These epoxides may be used alone or in combination of two or more.
- the resulting polycarbonate comprises polyethylene carbonate
- the resulting polycarbonate comprises polypropylene carbonate
- the resulting polycarbonate comprises polybutylene carbonate.
- the resulting polycarbonate contains polycyclohexene carbonate.
- the resulting polycarbonate can be a copolymer.
- the resulting polycarbonate can be a copolymer poly(propylene/cyclohexene) carbonate.
- the obtained copolymer may be a random copolymer or a block copolymer. Random copolymers are more preferred.
- the polyalkylene carbonate can be used singly or in combination of two or more.
- the heating temperature for thermally decomposing the polyalkylene carbonate is not particularly limited as long as the polyalkylene carbonate is decomposed and gasified.
- 100 to 800°C can be mentioned.
- the upper or lower limit of the range is, for example, 320, 330, 340, 350, 360, 370, 380, 390, 400, 410, 420, 430, 440, 450, 460, 470, 480, 490, 500, 510, 520, 530, 540, 550, 560, 570, 580, 590, 600, 610, 620, 630, 640, 650, 660, 670, 680, 690, 700, 710, 720, 730, 740, 750, 760, 770, 780, or 790°C good too.
- the range may be 150-750°C.
- the method of the present disclosure can be preferably applied when polyalkylene carbonate is used as a binder in the production of ceramic parts and is thermally decomposed for degreasing.
- Furnace is often performed while flowing a gas with low reactivity such as nitrogen gas or argon gas into the apparatus. This is for discharging the gas generated by the degreasing process (heating) to the outside of the apparatus.
- the exhaust gas generated in the degreasing process is a mixed gas of the polyalkylene carbonate cracked gas and the introduced gas.
- polyalkylene carbonate cracked gas when the amount of polyalkylene carbonate cracked gas contained in the gas obtained by thermally decomposing polyalkylene carbonate is small (it can also be said that the polyalkylene carbonate cracked gas is diluted), poly In recovering the alkylene carbonate cracked gas, it is preferable to first concentrate the polyalkylene carbonate cracked gas from the obtained gas (obtained gas).
- concentration operation examples include the means described in (i), (ii), and (iii) below.
- the (i) to (iii) can be used singly or in combination of two or three.
- adsorbing the polyalkylene carbonate cracked gas on a gas adsorbent ii) separating the polyalkylene carbonate cracked gas with a gas separator (iii) cooling and liquefying the polyalkylene carbonate cracked gas
- the polyalkylene carbonate decomposition gas By bringing the obtained gas into contact with the gas-adsorbing substance, (i) the polyalkylene carbonate decomposition gas can be adsorbed by the gas-adsorbing substance.
- gas adsorbents include activated carbon, silica gel, zeolite, and activated alumina. The gas adsorbents can be used singly or in combination of two or more.
- the obtained gas can be separated into the polyalkylene carbonate cracked gas and other gases (for example, the atmosphere gas) by a gas separator. That is, (ii) the polyalkylene carbonate cracked gas can be separated by a gas separator.
- a gas separation device include a gas separation membrane and a pressure swing adsorption device (PSA).
- a liquid in which the polyalkylene carbonate cracked gas is concentrated can be obtained. That is, (iii) the polyalkylene carbonate decomposition gas can be cooled and liquefied. Further, for example, after concentrating the polyalkylene carbonate cracked gas by the above (i) and/or (ii), by performing (iii), a liquid in which the polyalkylene carbonate cracked gas is concentrated can be obtained more efficiently. can be done.
- an exhaust gas condensing device or a cooling device is used to treat the generated exhaust gas.
- a condensation device can be preferably used for the above (i) and/or (ii), and a cooling device for the above (iii).
- the cooling temperature is preferably at or below the temperature at which the cyclic carbonate contained in the polyalkylene carbonate cracked gas can be liquefied.
- the temperature may be a temperature lower than the boiling point of the cyclic carbonate, which is a polyalkylene carbonate decomposition product. Alternatively, it is preferably 10 to 30°C.
- a cyclic carbonate can be efficiently recovered or produced by the method of the present disclosure.
- the type of polyalkylene carbonate to be decomposed determines the type of cyclic carbonate recovered or produced.
- a polyalkylene carbonate is obtained by copolymerization of an epoxide and carbon dioxide, and a cyclic carbonate having one molecule composed of one molecule of the epoxide and one molecule of carbon dioxide is produced.
- the polyalkylene carbonate to be used is a copolymer of ethylene oxide and carbon dioxide
- ethylene carbonate is used
- propylene carbonate is used
- Butylene carbonate is produced when it is a copolymer with carbon dioxide
- cyclohexene carbonate is produced when it is a copolymer of cyclohexene oxide and carbon dioxide.
- the polyalkylene carbonate can be used alone or in combination of two or more.
- one polyalkylene carbonate is used, only one cyclic carbonate is produced, and the polyalkylene carbonate used is
- there are two or more kinds of cyclic carbonates two or more kinds of cyclic carbonates are usually produced.
- polyalkylene carbonate when polyalkylene carbonate is used as a binder in the production of ceramic parts and is thermally decomposed for degreasing, the above-described method for recovering or producing cyclic carbonate can be preferably applied.
- polyalkylene carbonate is used, for example, by being mixed with an inorganic material that serves as a raw material for ceramics.
- the method of the present disclosure can preferably be carried out with the polyalkylene carbonate cracked gas obtained by heating the mixture.
- the polyalkylene carbonate can be preferably used not only for the production of ceramics but also as a composition for dispersing inorganic materials, and the scope of application of the method of the present disclosure is not limited to the production of ceramics parts.
- Inorganic materials used in combination with polyalkylene carbonate include, for example, ceramics, conductor powder, glass powder, phosphor particles, etc., depending on the purpose and application. These may be used alone or in combination of two or more.
- Ceramics include aluminum oxide, zirconium oxide, titanium oxide, barium titanate, strontium titanate, zirconium titanate, lead zirconate titanate, lanthanum vanadate, ferrite, zinc oxide, magnesium oxide, beryllium oxide, and aluminum nitride. , silicon nitride, boron nitride, gallium nitride, silicon carbide, zirconium carbide, magnesium fluoride, tin-doped indium oxide, antimony-doped tin oxide, and aluminum-doped zinc oxide.
- Examples of conductive powder include metals such as copper, iron, nickel, palladium, platinum, gold, silver, aluminum, tungsten, and tin, alloys thereof, and carbon materials such as graphite, carbon black, and carbon nanotubes. be done.
- the glass powder examples include various silicon oxides such as CaO--Al 2 O 3 --SiO 2 system, MgO--Al 2 O 3 --SiO 2 system, and LiO 2 --Al 2 O 3 --SiO 2 system, and bismuth oxide glass. , silicate glass, lead glass, zinc glass, boron glass, and the like.
- Examples of phosphor particles include Y2SiO5 :Ce, CaWO4 :Pb, BaMgAl14O23 :Eu, Y2O3 : Eu , Y2SiO5 : Eu , Y3Al5O12 : Eu , Zn3 (PO4) 2 :Mn, YBO3 :Eu , GdBO3 :Eu, ScBO3 :Eu, LuBO3 :Eu, Zn2SiO4 : Mn , BaAl12O19 : Mn , CaAl12O19 : Mn , YBO 3 :Tb, BaMgAl 14 O 23 :Mn, LuBO 3 :Tb, BaMgAl 12 O 23 :Eu and the like.
- the form of the inorganic material is preferably powder, for example.
- the size of the inorganic particles is not particularly limited, but those having a median diameter of 0.01 to 20 ⁇ m as measured by a laser diffraction/scattering method are preferably used from the viewpoint of obtaining a dense molded product.
- the conditions for thermally decomposing the polyalkylene carbonate used as a binder in the degreasing process, etc. change depending on the type of ceramic and the field of the product. For example, in a multilayer ceramic capacitor (MLCC), it is performed in a nitrogen atmosphere.
- MLCC multilayer ceramic capacitor
- thermal decomposition in the absence of oxygen is preferred in order to increase the recovery rate of the cyclic carbonate.
- cyclic carbonate can be efficiently recovered or produced.
- a significant amount of the polyalkylene carbonates used can be recovered as cyclic carbonates.
- the conversion rate of the polyalkylene carbonate used to cyclic polycarbonate is 90% by mass or more, more preferably 91, 92, 93, 94, or 95% by mass or more, and still more preferably 96, 97, 98, or 99% mass or more can be recovered.
- organic binders such as polyvinyl butyral
- organic binders such as polyvinyl butyral
- the method of the present disclosure enhances the superiority of using polyalkylene carbonate as an organic binder.
- polyalkylene carbonate cracked gas is treated by burning.
- polyalkylene carbonate cracked gas has been recognized as a waste material that can be easily treated, and there has been no need for a new treatment method therefor.
- the method of the present disclosure can be used as a raw material for producing cyclic carbonates, which are useful substances, and this point is also an advantage of the method of the present disclosure.
- the ratio (%) of the mass of propylene carbonate in the cracked gas to the mass of thermally decomposed polypropylene carbonate was calculated as the "PC conversion rate”. The results are also shown in Table 1. (If it exceeds 100%, it is considered an error.)
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Abstract
Description
項1.
(B)ポリアルキレンカーボネートが熱分解して生じた分解ガスに含まれる環状カーボネートを回収すること、
を含む、環状カーボネートの回収方法。
項2.
(B)の前に
(A)ポリアルキレンカーボネートを熱分解してガス化すること
をさらに含む、項1に記載の方法。
項3.
分解ガスの回収が、分解ガスを濃縮したうえで行われる、項1又は2に記載の方法。
項4.
(a)ポリアルキレンカーボネート及び無機材料を含む混合物を熱して、当該ポリアルキレンカーボネートを分解してガス化すること
(b)得られたガスを濃縮して回収すること
を含む、項2に記載の方法。
項5.
ガスの濃縮が、以下の(i)、(ii)、及び(iii)からなる群より選択される少なくとも1の操作により行われる、項3又は4に記載の方法。
(i)ポリアルキレンカーボネート分解ガスをガス吸着物質に吸着させること
(ii)ポリアルキレンカーボネート分解ガスをガス分離物質により分離すること
(iii)ポリアルキレンカーボネート分解ガスを冷却して液化すること
項6.
環状カーボネートが、エチレンカーボネート、プロピレンカーボネート、ブチレンカーボネート、及びシクロヘキセンカーボネートからなる群より選択される少なくとも1種である、項1~5のいずれかに記載の方法。
項7.
(B)ポリアルキレンカーボネートが熱分解して生じた分解ガスに含まれる環状カーボネートを回収すること、
を含む、環状カーボネートの製造方法。
項8.
(B)の前に
(A)ポリアルキレンカーボネートを熱分解してガス化すること
をさらに含む、項7に記載の方法。
項9.
分解ガスの回収が、分解ガスを濃縮したうえで行われる、項7又は8に記載の方法。
項10.
(a)ポリアルキレンカーボネート及び無機材料を含む混合物を熱して、当該ポリアルキレンカーボネートを分解してガス化すること
(b)得られたガスを濃縮して回収すること
を含む、項8に記載の方法。
項11.
ガスの濃縮が、以下の(i)、(ii)、及び(iii)からなる群より選択される少なくとも1の操作により行われる、項9又は10に記載の方法。
(i)ポリアルキレンカーボネート分解ガスをガス吸着物質に吸着させること
(ii)ポリアルキレンカーボネート分解ガスをガス分離物質により分離すること
(iii)ポリアルキレンカーボネート分解ガスを冷却して液化すること
項12.
環状カーボネートが、エチレンカーボネート、プロピレンカーボネート、ブチレンカーボネート、及びシクロヘキセンカーボネートからなる群より選択される少なくとも1種である、項7~11のいずれかに記載の方法。
(i)ポリアルキレンカーボネート分解ガスをガス吸着物質に吸着させること
(ii)ポリアルキレンカーボネート分解ガスをガス分離装置により分離すること
(iii)ポリアルキレンカーボネート分解ガスを冷却して液化すること
ポリプロピレンカーボネートを表1に記載の各温度で加熱し、生じた分解ガスをGC(ガスクロマトグラフィー)で分析して、分解ガスに含まれるプロピレンカーボネート量を測定(具体的には、検量線を作成して定量分析)した。なお、GC機器としては、GC-2010(島津製作所)(カラムDB-17、検出器FID)を用い、熱分解装置としては、JHP-5(日本分析工業株式会社)を用いた。
Claims (12)
- (B)ポリアルキレンカーボネートが熱分解して生じた分解ガスに含まれる環状カーボネートを回収すること、
を含む、環状カーボネートの回収方法。 - (B)の前に
(A)ポリアルキレンカーボネートを熱分解してガス化すること
をさらに含む、請求項1に記載の方法。 - 分解ガスの回収が、分解ガスを濃縮したうえで行われる、請求項1又は2に記載の方法。
- (a)ポリアルキレンカーボネート及び無機材料を含む混合物を熱して、当該ポリアルキレンカーボネートを分解してガス化すること
(b)得られたガスを濃縮して回収すること
を含む、請求項2に記載の方法。 - ガスの濃縮が、以下の(i)、(ii)、及び(iii)からなる群より選択される少なくとも1の操作により行われる、請求項3に記載の方法。
(i)ポリアルキレンカーボネート分解ガスをガス吸着物質に吸着させること
(ii)ポリアルキレンカーボネート分解ガスをガス分離物質により分離すること
(iii)ポリアルキレンカーボネート分解ガスを冷却して液化すること - 環状カーボネートが、エチレンカーボネート、プロピレンカーボネート、ブチレンカーボネート、及びシクロヘキセンカーボネートからなる群より選択される少なくとも1種である、請求項1又は2に記載の方法。
- (B)ポリアルキレンカーボネートが熱分解して生じた分解ガスに含まれる環状カーボネートを回収すること、
を含む、環状カーボネートの製造方法。 - (B)の前に
(A)ポリアルキレンカーボネートを熱分解してガス化すること
をさらに含む、請求項7に記載の方法。 - 分解ガスの回収が、分解ガスを濃縮したうえで行われる、請求項7又は8に記載の方法。
- (a)ポリアルキレンカーボネート及び無機材料を含む混合物を熱して、当該ポリアルキレンカーボネートを分解してガス化すること
(b)得られたガスを濃縮して回収すること
を含む、請求項8に記載の方法。 - ガスの濃縮が、以下の(i)、(ii)、及び(iii)からなる群より選択される少なくとも1の操作により行われる、請求項9に記載の方法。
(i)ポリアルキレンカーボネート分解ガスをガス吸着物質に吸着させること
(ii)ポリアルキレンカーボネート分解ガスをガス分離物質により分離すること
(iii)ポリアルキレンカーボネート分解ガスを冷却して液化すること - 環状カーボネートが、エチレンカーボネート、プロピレンカーボネート、ブチレンカーボネート、及びシクロヘキセンカーボネートからなる群より選択される少なくとも1種である、請求項7又は8に記載の方法。
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Citations (2)
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JPS4742759A (ja) * | 1971-05-13 | 1972-12-16 | ||
JP2011513281A (ja) * | 2008-02-29 | 2011-04-28 | ビーエーエスエフ ソシエタス・ヨーロピア | 1,3−ジオキソラン−2−オンを製造する際の高沸点分離のための膜分離法 |
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Patent Citations (2)
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JPS4742759A (ja) * | 1971-05-13 | 1972-12-16 | ||
JP2011513281A (ja) * | 2008-02-29 | 2011-04-28 | ビーエーエスエフ ソシエタス・ヨーロピア | 1,3−ジオキソラン−2−オンを製造する際の高沸点分離のための膜分離法 |
Non-Patent Citations (4)
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LUO WENHAN; XIAO MIN; WANG SHUANJIN; REN SHAN; MENG YUEZHONG: "Thermal degradation behavior of Copoly(propylene carbonate ε-caprolactone) investigated using TG/FTIR and Py-GC/MS methodologies", POLYMER TESTING, ELSEVIER, AMSTERDAM, NL, vol. 58, 6 December 2016 (2016-12-06), AMSTERDAM, NL , pages 13 - 20, XP029922279, ISSN: 0142-9418, DOI: 10.1016/j.polymertesting.2016.12.004 * |
SHOHEI INOUE AND TEIJI TSURUTA, TADAMICHI TAKADA, NOBUYUKI MIYAZAKI, MASAKI KAMBE, AND TSUNEO TAKAOKA: "SYNTHESIS AND THERMAL DEGRADATION OF CARBON DIOXIDE-EPOXIDE COPOLYMER", APPLIED POLYMER SYMPOSIA., JOHN WILEY AND SONS,INC. NEW YORK., US, vol. 26, 1 January 1975 (1975-01-01), US , pages 257 - 267, XP009543042, ISSN: 0570-4898 * |
XU YONGHANG; ZHANG TAO; ZHOU YILUAN; ZHOU DANMIN; SHEN ZIXIN; LIN LIMIAO: "Mechanism investigation of thermal degradation of CO2-based poly(cyclohexene carbonate caprolactone)", POLYMER DEGRADATION AND STABILITY, BARKING, GB, vol. 168, 4 September 2019 (2019-09-04), GB , XP085831213, ISSN: 0141-3910, DOI: 10.1016/j.polymdegradstab.2019.108957 * |
ZHU WENXIANG, LI CHUNCHENG, ZHANG DONG, GUAN GUOHU, XIAO YAONAN, ZHENG LIUCHUN: "Thermal degradation mechanism of poly(butylene carbonate)", POLYMER DEGRADATION AND STABILITY, BARKING, GB, vol. 97, no. 9, 1 September 2012 (2012-09-01), GB , pages 1589 - 1595, XP093030676, ISSN: 0141-3910, DOI: 10.1016/j.polymdegradstab.2012.06.029 * |
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