WO2002081549A1 - Procede de traitement de sels de sous-produits se presentant avec du sulfure de poylarylene - Google Patents
Procede de traitement de sels de sous-produits se presentant avec du sulfure de poylarylene Download PDFInfo
- Publication number
- WO2002081549A1 WO2002081549A1 PCT/JP2002/002418 JP0202418W WO02081549A1 WO 2002081549 A1 WO2002081549 A1 WO 2002081549A1 JP 0202418 W JP0202418 W JP 0202418W WO 02081549 A1 WO02081549 A1 WO 02081549A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sulfide
- product
- organic solvent
- lithium
- solid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000006227 byproduct Substances 0.000 title claims abstract description 33
- 150000003839 salts Chemical class 0.000 title claims abstract description 33
- 229920000412 polyarylene Polymers 0.000 title claims abstract description 23
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title claims description 20
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 40
- 239000003960 organic solvent Substances 0.000 claims abstract description 21
- 239000011780 sodium chloride Substances 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 10
- 150000001491 aromatic compounds Chemical class 0.000 claims abstract description 8
- 229910052977 alkali metal sulfide Inorganic materials 0.000 claims abstract description 7
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 40
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 20
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 15
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical group [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 238000006116 polymerization reaction Methods 0.000 claims description 9
- 238000010304 firing Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims 5
- 238000006356 dehydrogenation reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 239000002351 wastewater Substances 0.000 abstract description 13
- 230000019086 sulfide ion homeostasis Effects 0.000 abstract 2
- -1 poly-arylene sulfide Chemical compound 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000002904 solvent Substances 0.000 description 16
- 239000007788 liquid Substances 0.000 description 13
- 239000002994 raw material Substances 0.000 description 11
- HXQGSILMFTUKHI-UHFFFAOYSA-M lithium;sulfanide Chemical compound S[Li] HXQGSILMFTUKHI-UHFFFAOYSA-M 0.000 description 10
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000008247 solid mixture Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 150000003568 thioethers Chemical class 0.000 description 3
- SZMLDVKZMIXAJF-UHFFFAOYSA-N 1-(2-methylpropyl)azepan-2-one Chemical compound CC(C)CN1CCCCCC1=O SZMLDVKZMIXAJF-UHFFFAOYSA-N 0.000 description 2
- FAXWFCTVSHEODL-UHFFFAOYSA-N 2,4-dibromophenol Chemical compound OC1=CC=C(Br)C=C1Br FAXWFCTVSHEODL-UHFFFAOYSA-N 0.000 description 2
- GZFGOTFRPZRKDS-UHFFFAOYSA-N 4-bromophenol Chemical compound OC1=CC=C(Br)C=C1 GZFGOTFRPZRKDS-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001555 benzenes Chemical class 0.000 description 2
- 239000006085 branching agent Substances 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- XUWHAWMETYGRKB-UHFFFAOYSA-N delta-valerolactam Natural products O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical group C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 2
- 125000000101 thioether group Chemical group 0.000 description 2
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 1
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical group ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 1
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 1
- XKEFYDZQGKAQCN-UHFFFAOYSA-N 1,3,5-trichlorobenzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1 XKEFYDZQGKAQCN-UHFFFAOYSA-N 0.000 description 1
- JSRLURSZEMLAFO-UHFFFAOYSA-N 1,3-dibromobenzene Chemical compound BrC1=CC=CC(Br)=C1 JSRLURSZEMLAFO-UHFFFAOYSA-N 0.000 description 1
- ZPQOPVIELGIULI-UHFFFAOYSA-N 1,3-dichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1 ZPQOPVIELGIULI-UHFFFAOYSA-N 0.000 description 1
- JHNJCQABANXDMG-UHFFFAOYSA-N 1,3-dichlorocyclohexa-2,4-dien-1-amine Chemical compound NC1(Cl)CC=CC(Cl)=C1 JHNJCQABANXDMG-UHFFFAOYSA-N 0.000 description 1
- ROQONQVIJMBBQA-UHFFFAOYSA-N 1,3-dichlorocyclohexa-2,4-dien-1-ol Chemical compound OC1(Cl)CC=CC(Cl)=C1 ROQONQVIJMBBQA-UHFFFAOYSA-N 0.000 description 1
- WUQQTMGTFFSZRK-UHFFFAOYSA-N 1,5,5-trichlorocyclohexa-1,3-diene Chemical compound ClC1=CC=CC(C1)(Cl)Cl WUQQTMGTFFSZRK-UHFFFAOYSA-N 0.000 description 1
- NCNWTBAWLAFYDR-UHFFFAOYSA-N 1,6-dimethylpiperidin-2-one Chemical compound CC1CCCC(=O)N1C NCNWTBAWLAFYDR-UHFFFAOYSA-N 0.000 description 1
- ZFPGARUNNKGOBB-UHFFFAOYSA-N 1-Ethyl-2-pyrrolidinone Chemical compound CCN1CCCC1=O ZFPGARUNNKGOBB-UHFFFAOYSA-N 0.000 description 1
- VGZOTUWVGXUNRC-UHFFFAOYSA-N 1-butylazepan-2-one Chemical compound CCCCN1CCCCCC1=O VGZOTUWVGXUNRC-UHFFFAOYSA-N 0.000 description 1
- IBRQUKZZBXZOBA-UHFFFAOYSA-N 1-chloro-3-(3-chlorophenyl)sulfonylbenzene Chemical compound ClC1=CC=CC(S(=O)(=O)C=2C=C(Cl)C=CC=2)=C1 IBRQUKZZBXZOBA-UHFFFAOYSA-N 0.000 description 1
- MXEOFTCIEDUHCX-UHFFFAOYSA-N 1-cyclohexylazepan-2-one Chemical compound O=C1CCCCCN1C1CCCCC1 MXEOFTCIEDUHCX-UHFFFAOYSA-N 0.000 description 1
- GWCFTYITFDWLAY-UHFFFAOYSA-N 1-ethylazepan-2-one Chemical compound CCN1CCCCCC1=O GWCFTYITFDWLAY-UHFFFAOYSA-N 0.000 description 1
- FNAKEOXYWBWIRT-UHFFFAOYSA-N 2,3-dibromophenol Chemical compound OC1=CC=CC(Br)=C1Br FNAKEOXYWBWIRT-UHFFFAOYSA-N 0.000 description 1
- UMPSXRYVXUPCOS-UHFFFAOYSA-N 2,3-dichlorophenol Chemical compound OC1=CC=CC(Cl)=C1Cl UMPSXRYVXUPCOS-UHFFFAOYSA-N 0.000 description 1
- KQCMTOWTPBNWDB-UHFFFAOYSA-N 2,4-dichloroaniline Chemical compound NC1=CC=C(Cl)C=C1Cl KQCMTOWTPBNWDB-UHFFFAOYSA-N 0.000 description 1
- HFZWRUODUSTPEG-UHFFFAOYSA-N 2,4-dichlorophenol Chemical compound OC1=CC=C(Cl)C=C1Cl HFZWRUODUSTPEG-UHFFFAOYSA-N 0.000 description 1
- XGYLSRFSXKAYCR-UHFFFAOYSA-N 2-chloro-4-methylaniline Chemical compound CC1=CC=C(N)C(Cl)=C1 XGYLSRFSXKAYCR-UHFFFAOYSA-N 0.000 description 1
- MNOJRWOWILAHAV-UHFFFAOYSA-N 3-bromophenol Chemical compound OC1=CC=CC(Br)=C1 MNOJRWOWILAHAV-UHFFFAOYSA-N 0.000 description 1
- SJTBRFHBXDZMPS-UHFFFAOYSA-N 3-fluorophenol Chemical class OC1=CC=CC(F)=C1 SJTBRFHBXDZMPS-UHFFFAOYSA-N 0.000 description 1
- FXTKWBZFNQHAAO-UHFFFAOYSA-N 3-iodophenol Chemical class OC1=CC=CC(I)=C1 FXTKWBZFNQHAAO-UHFFFAOYSA-N 0.000 description 1
- RXXCIBALSKQCAE-UHFFFAOYSA-N 3-methylbutoxymethylbenzene Chemical compound CC(C)CCOCC1=CC=CC=C1 RXXCIBALSKQCAE-UHFFFAOYSA-N 0.000 description 1
- QPEJQQPAHOIHOS-UHFFFAOYSA-N 4-(4-aminophenyl)-2,3-dibromoaniline Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C(Br)=C1Br QPEJQQPAHOIHOS-UHFFFAOYSA-N 0.000 description 1
- WXNZTHHGJRFXKQ-UHFFFAOYSA-N 4-chlorophenol Chemical compound OC1=CC=C(Cl)C=C1 WXNZTHHGJRFXKQ-UHFFFAOYSA-N 0.000 description 1
- VSMDINRNYYEDRN-UHFFFAOYSA-N 4-iodophenol Chemical class OC1=CC=C(I)C=C1 VSMDINRNYYEDRN-UHFFFAOYSA-N 0.000 description 1
- SOHCOYTZIXDCCO-UHFFFAOYSA-N 6-thiabicyclo[3.1.1]hepta-1(7),2,4-triene Chemical group C=1C2=CC=CC=1S2 SOHCOYTZIXDCCO-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 101100459438 Caenorhabditis elegans nac-1 gene Proteins 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- JJHHIJFTHRNPIK-UHFFFAOYSA-N Diphenyl sulfoxide Chemical group C=1C=CC=CC=1S(=O)C1=CC=CC=C1 JJHHIJFTHRNPIK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910013470 LiC1 Inorganic materials 0.000 description 1
- 229910012525 LiSH Inorganic materials 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 description 1
- ZWXPDGCFMMFNRW-UHFFFAOYSA-N N-methylcaprolactam Chemical compound CN1CCCCCC1=O ZWXPDGCFMMFNRW-UHFFFAOYSA-N 0.000 description 1
- 101001012040 Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) Immunomodulating metalloprotease Proteins 0.000 description 1
- KZTYYGOKRVBIMI-UHFFFAOYSA-N S-phenyl benzenesulfonothioate Natural products C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 description 1
- 108091006629 SLC13A2 Proteins 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000000732 arylene group Chemical group 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- VCCBEIPGXKNHFW-UHFFFAOYSA-N biphenyl-4,4'-diol Chemical group C1=CC(O)=CC=C1C1=CC=C(O)C=C1 VCCBEIPGXKNHFW-UHFFFAOYSA-N 0.000 description 1
- IFVTZJHWGZSXFD-UHFFFAOYSA-N biphenylene Chemical group C1=CC=C2C3=CC=CC=C3C2=C1 IFVTZJHWGZSXFD-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N dichloromethane Substances ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- IMNDHOCGZLYMRO-UHFFFAOYSA-N n,n-dimethylbenzamide Chemical compound CN(C)C(=O)C1=CC=CC=C1 IMNDHOCGZLYMRO-UHFFFAOYSA-N 0.000 description 1
- IFTIBNDWGNYRLS-UHFFFAOYSA-N n,n-dipropylacetamide Chemical compound CCCN(C(C)=O)CCC IFTIBNDWGNYRLS-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001256 tonic effect Effects 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/025—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/025—Preparatory processes
- C08G75/0254—Preparatory processes using metal sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/0277—Post-polymerisation treatment
- C08G75/0281—Recovery or purification
Definitions
- the present invention relates to a method for treating by-product salts produced as a by-product in the production of polyarylene sulfide (hereinafter sometimes referred to as PAS), and more particularly, to a method of producing a poly-arylene sulfide.
- PAS polyarylene sulfide
- High release sulfides especially polyphenylene sulfide, are known as engineering plastics that have excellent mechanical strength, heat resistance, etc., as well as good electrical properties and high rigidity. It is useful as various materials such as materials for electronic and electrical equipment parts.
- NMP N-methyl-2-pyrrolidone
- lithium halide has many non-protonic properties, such as NMP, which is a polymerization solvent. It has been found that, since it is soluble in an organic solvent, the lithium concentration in the resin can be relatively easily reduced, and the polymer can be continuously treated at a high temperature. No. 7—207007).
- lithium sulfide as a raw material for the polymerization reaction is, for example, hydrogen sulfide reacted with lithium hydroxide obtained by reacting sodium hydroxide with lithium chloride to form hydrogen sulfide. It can be obtained by generating lithium and subjecting it to a dehydrosulfide reaction.
- sodium hydroxide is reacted with lithium chloride
- sodium chloride is generated as a by-product of the reaction.
- this sodium chloride is directly subjected to a polymerization reaction, the same problem as the above-mentioned problem caused by the sodium salt occurs.
- the slurry containing it is separated into solid and liquid to form a solvent containing lithium hydrosulfide and a solid containing by-product salts such as sodium chloride.
- the solvent part was subjected to the next lithium sulfide synthesis step, and the by-product salts such as sodium chloride were dried and discarded.
- sodium chloride is easily dissolved in water and can be discharged out of the system as wastewater.
- a solvent phase obtained by solid-liquid separation of a PAS polymerization reaction mixture is recycled and used as a raw material liquid, a small amount of oligomer is present in the solid mixture. In such cases, it is formed in the above reaction and dried.
- the by-product salt, such as sodium chloride, obtained by the above process is remarkably poor in solubility in water, it takes a long time to dissolve in water, and the s S content and C 0 D And it was inevitable that wastewater treatment costs would increase.
- the solubility of by-product salt containing sodium chloride as a main component in water is improved, and this is converted into water. It is an object of the present invention to provide a method for treating by-product salt of polyphenylene sulfide, which can obtain wastewater having a low SS content and low C 0 D when the wastewater is dissolved.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, have found that in a non-protonic organic solvent, a polyarylene sulfide is formed from an alkali metal sulfide and a dihalogenated aromatic compound.
- the object can be achieved by subjecting a solid mixture containing by-produced salt produced as a by-product during the production of the product to the above-mentioned non-protonic organic solvent to drying treatment and baking at a specific temperature.
- the present invention has been completed based on such findings.
- the present invention relates to a non-protic organic solvent, which is a method for producing polyarylene sulfide by polycondensing an alkali metal sulfide and a dihalogenated aromatic compound with a non-protic salt.
- a non-protic organic solvent which is a method for producing polyarylene sulfide by polycondensing an alkali metal sulfide and a dihalogenated aromatic compound with a non-protic salt.
- Tonic organic A method for treating a by-product salt of polyarylene sulfide, comprising: subjecting a solid containing a solvent to a drying treatment; and calcining the dried treatment at a temperature of 500 to 100 ° C. Is what you do. BEST MODE FOR CARRYING OUT THE INVENTION
- the polycondensation reaction between the dihalogenated aromatic compound and the alkali metal sulfide in the present invention is carried out in a nonprotonic organic solvent.
- the nonprotonic organic solvent used in this case generally includes polar organic compounds such as amide compounds, lactam compounds, urea compounds, organic thio compounds, and cyclic organic phosphorus compounds.
- the amide compounds include, for example, N, N-dimethylformamide, N, N-diethylformamide, N, N-dimethylacetamide, N, N-ethylethylamide And N, N-dipropylacetamide, N, N-dimethylbenzoic acid amide, and the like.
- lactam compound examples include hydraprolactam, N-methylcaprolactam, N-ethylcaprolactam, N-isopropyl propylprolactam, N-isobutylcaprolactam, and N-isobutylcaprolactam.
- N-Alkyl prolactams such as normal propyl lactam, N-n-butylcaprolactam, N-cyclohexylcaprolactam, N-methyl-2-pyrrolidone (NMP), N— Ethyl 2-pyrrolidone, N-isopropyl-1 2-pyrrolidone, N-isobutyl-2, pyrrolidone, N-normal propyl 1-2-pyrrolidone, N-n-butyl-1-2-pyro Ridone, N-cyclohexyl-1-pyrrolidone, 'N-methyl-3-methyl-2-pyrrolidone, N-eti / 02418 1-3-Methyl-1-2-pyrrolidone, N-methyl_3,4,5—Trimethyl-2—pyrrolidone, N-methyl-12-piperidone, N-ethyl 2-pipe Ridone, N-isopropyl_2-piperidone, N-methyl-6-methyl-2-piper
- urea compound examples include tetramethylurea, N, N, -dimethylethylene urea, N, N, and monodimethylpropylene urine.
- Examples of the organic compound include, for example, dimethyl sulfoxide, getyl sulfoxide, diphenyl sulfone, 1-methyl-1-oxosulfolane, 1-ethyl-1-oxosulfolane, and 1-phenylsulfone.
- Examples of the cyclic organophosphorus compound include 1-methyl-11-oxophosphorane, 1-normal propyl-11-year-old oxophosphorane, and 1-phenyl-11-oxophosphorane. be able to.
- Each of these various polar organic compounds may be used alone or in combination of two or more, and further mixed with other solvent components within a range that does not disturb the object of the present invention. It can be used as
- N-alkyl force products and N-alkylpyrrolidone, and particularly preferred is N-methyl-12-pyrrolidone.
- Poly A Lee sulfide in the present invention include, for example, wherein one A r- S - is a polymer having a repeating unit (except A r is ⁇ arylene group) represented by 7 0 mole 0/0 above.
- a typical example is the following general formula (I)
- R 1 is a substituent selected from a halogen atom such as an alkyl group having 6 or less carbon atoms, an alkoxyl group, a phenyl group, a metal salt of a carboxylic acid, an amino group, a nitro group, fluorine, chlorine, and bromine.
- M is an integer of 0 to 4.
- n represents an average degree of polymerization and is in a range of 10 to 200.
- polyarylene sulfides having 70 mol% or more of a repeating unit represented by the following formula.
- Polyarylene sulfide is generally known to have a substantially linear, molecular structure having no branched or crosslinked structure, and a structure having a branched or crosslinked structure. Is valid for both types. Is a poly A Li one Rensurufi de, as a repeating unit p - the full We two sulfide unit 7 0 mole 0/0 or more, preferably in the al 8 0 mole 0/0 or more with homopolymer one or Copolymers.
- copolymerized structural units include m-phenylene sulfide unit, 0-phenylene sulfide unit,, p 'diphenylene sulfide unit, and p, p' diphenylene sulfide unit.
- polyarylene sulfide according to the present invention in addition to the substantially linear polymer, three Branched or cross-linked polyarylene sulfides obtained by mixing and using a small amount of the monomers having the above functional groups, and blended polymers obtained by blending the above-mentioned linear polymers with the above-mentioned linear polymers can also be used.
- blended polymers obtained by blending the above-mentioned linear polymers with the above-mentioned linear polymers can also be used.
- an alkali metal sulfide and a dihalogenated aromatic compound are used as raw materials.
- dihalogenated aromatic compounds include, for example, dihalogenobenzenes such as m-dihalobenzene and p-dihachibenzene; 2,3-dihalotoluene, 2,5—diinotoluene, 2, 6—Dihalo toluene, 3, 4—Dihalo toluene, 1,5—Dihaloxylene, 1-ethyl-2,5—Dihabenzen, 1, 2, 4, 5—Tetramethyl-3,6—Dihalobenzene, 1-normal Dihalogenoalkyl-substituted benzenes such as hexyl-2,5-di-dino-open benzene and 1-cyclohexyl 1,5-di-halo-benzene, or di-halogeno-cyclo-alkyl substituted benzenes; 1-phenyl-2,5-di-dino-open benzene , 1-benzyl-1, 2, 5-dihal
- examples of the aluminum metal sulfide include sodium sulfide, lithium sulfide, and potassium sulfide. These may be used alone or in combination of two or more. May be used. Also, alkaline earth metal sulfides and other sulfur sources can be used in combination. In the present invention, lithium sulfide is particularly preferably used. This lithium sulfide reacts, for example, with lithium hydroxide and hydrogen sulfide in a non-protonic organic solvent to produce lithium hydrosulfide, and then the reaction solution is It can be produced by desulfurization.
- lithium sulfide is synthesized by the following desulfurization reaction of lithium hydrosulfide.
- the lithium hydroxide used here is obtained by reacting sodium chloride with lithium chloride.
- the present invention is a method for effectively treating a by-product salt containing sodium chloride as a main component by-produced in this reaction.
- the lithium chloride used as a raw material for the above reaction may be used by entirely adding it in a fresh state.However, what is contained in the solvent phase obtained by solid-liquid separation of the PAS polymerization reaction mixture is used as it is. Alternatively, this can be appropriately purified and used.
- hydrogen sulfide for example, off-gas hydrogen sulfide generated from a petroleum refinery can be used.
- the use ratio of hydrogen sulfide to lithium hydroxide is usually at least 1.0 (mol / mol), particularly 1.05 (mol / mol), from the viewpoint of completion of the reaction.
- the nonprotonic organic solvent and lithium hydroxide are charged into a reaction vessel, and hydrogen sulfide is blown into the obtained charged solution to cause a reaction.
- lithium hydroxide may be mixed and reacted with a nonproton solvent solution in which hydrogen sulfide is blown into a nonprotonic organic solvent in advance and dissolved.
- the pressure at which hydrogen sulfide is blown can be normal pressure or pressurized.
- blowing time and blowing speed There are no particular restrictions on the blowing time and blowing speed. Also there is no particular limitation on the method of blowing hydrogen sulfide, and for example, a commonly used method such as bubbling gaseous hydrogen sulfide into a nonprotonic organic solvent while stirring lithium hydroxide therein. This method can be performed continuously. In this case, water may be present.
- the reaction temperature is preferably from 80 to 120 ° C, more preferably from 90 to 110 ° C.
- lithium hydroxide that was present in a solid state in the system is converted into lithium hydrosulfide and dissolved in the liquid part in the system.
- a slurry solution containing the lithium bisulfide and a by-product salt such as sodium chloride is subjected to a method such as centrifugation to remove water. Solid-liquid separation into a solvent phase containing lithium sulfide and a solid containing by-product salts such as sodium chloride.
- the amount of by-product salts such as sodium chloride and the amount of nonprotonic organic solvent in the solid mixture depends on various conditions such as the types of raw materials and solvents, reaction conditions, and solid-liquid separation conditions. Generally, it contains 40 to 60% by weight of sodium chloride and 60 to 40% by weight of a nonprotonic solvent.
- the particle size of solid sodium chloride is about 5 to 10 m.
- the solvent portion containing lithium hydrosulfide is subjected to the next lithium sulfide synthesis reaction, and the solid mixture is removed of solid by-product salts such as sodium chloride contained therein and discarded. It is very dry.
- the non-protonic organic solvent evaporated / separated by the drying is recovered, recycled to the above-mentioned lithium hydrosulfide synthesis step, and can be reused.
- a non-protonic organic solvent containing a polymerization by-product such as PAS oligomer attached to sodium chloride or the like before drying is purified. Rinse with the produced non-protonic organic solvent to increase drying efficiency.
- the obtained solid substance is first subjected to a drying treatment in order to recover a reaction solvent contained therein, and the drying treatment may be a batch type or a continuous type.
- a drying treatment may be a batch type or a continuous type.
- both normal pressure drying and reduced pressure drying can be used.
- a dryer such as a disk dryer generally used in the past or a dryer having a self-cleaning property can be used.
- the conditions for the drying treatment are as follows: the temperature of the material to be dried is in the range of 120 to 250 ° C, preferably 140 to 220 ° C, and the pressure is from normal pressure to 0. It is in the range of 0 lMPa, preferably normal pressure to 0.0 IMPa.
- the drying time depends on the temperature and pressure of the drying process, the type of dryer, etc., and cannot be unconditionally determined, but generally, about 1 to 10 hours is sufficient.
- the solid substance is dried in this manner, and after the reaction solvent is recovered, the dried substance is calcined at a temperature in the range of 500 to 100 ° C. I do.
- This baking treatment removes organic substances such as arylene sulfide oligomers and solvents contained in the dried product, so that the baking product improves the solubility in water and dissolves in water to drain. In this case, the SS content and C ⁇ D in the wastewater are significantly reduced.
- a solid firing method or a melting method can be preferably employed.
- a kiln is usually used, and the firing is preferably performed at a temperature in the range of 500 to 800 ° C for about 0.5 to 5 hours.
- the sintering treatment is preferably performed for about 0.1 to 2 hours at a temperature in the range of 800 to 100 ° C. using a melting furnace.
- the baking process may be any of a batch type and a continuous type.
- a comonomer, a branching agent, a terminal terminator and the like may be used in combination with the dihalogenated compound as long as the effect is not impaired.
- Comonomers include 2,3-dichlorophenol, 2,3-dibromophenol, 2,4-dichlorophenol, 2,4-dibromophenol, 1,5-dichlorophenol, 2,5 —Jib mouth mofenol, 2,4 dichloroaniline, 2, 4 —Jib mouth moaline, 1,5 —Dichloroaniline, 2, 5 —Jib mouth moaline, 3,3, 1,4-dichloro-1,4-diaminobiphenyl, 3,3, dibromo-4,4 'diaminobiphenyl, 3,3'-dichloro-4,4,1-dihydroxybiphenyl, 3,3,1-dibutane 4,4 'dihydroxybiphenyl, di (3-chloro-4-amino) phen
- the terminating agent examples include p-bromophenol, m-bromophenol, 0-bromophenol, p-clophenol, m-clophenol, 0-clophenol, p —Halogenated phenols such as —fluorophenol, m-fluorophenol, 0-fluorophenol, p-iodophenol, m-iodophenol, 0-iodophenol, etc .; P-bromophenol, p -Chlorophenol is preferred.
- the dihalogenated compound is preferably used in a molar ratio of 0.8 to 1.2 with respect to the alkali metal sulfide, more preferably. Is from 0.9 to 1.1, particularly preferably from 0.95 to 1.05. If this molar ratio deviates from the range of 0.8 to 1.2, high molecular weight polyarylene sulfide may not be obtained.
- the polycondensation reaction of PAS is carried out by performing a single-step reaction at about 230 to 290 ° C, preferably at 240 to 280 ° C, more preferably at 250 to 270 ° C. Before the polycondensation, the prepolymerization is carried out at about 180 to 230 ° C, preferably at 190 to 220 ° C, more preferably at 195 to 2150 ° C. May go.
- the reaction time of the polycondensation is generally 0.5 to 10 hours, preferably 1.0 to 10 hours, more preferably 1.5 to 10 hours.
- reaction time is less than 0.5 hours, the reaction may be insufficient and the molecular weight may not be sufficiently high, and even if the reaction time exceeds 10 hours, a particular effect is obtained. not.
- the polycondensation tank any of a batch type and a continuous type can be used, but in the present invention, a continuous type is preferred.
- the present invention relates to a case where a solvent phase obtained by solid-liquid separation of a PAS polymerization reaction mixture is recycled and used as a raw material liquid, that is, when a small amount of oligomer is present in a solid mixture. Especially useful.
- the solubility of by-product salt containing sodium chloride as a main component in water is remarkably improved, and the salt is dissolved in water.
- wastewater is used as wastewater
- the present invention will be described more specifically with reference to examples. However, the present invention is not limited to these examples.
- Polymer cleaning liquid (composition: LiC1: 11 wt.%, PAS oligomer: 0.6 wt.%, Balance NMP) generated from the PAS production pilot transcript was used as a raw material.
- 1 18 kg of a 48 wt.% Aqueous solution of caustic soda was added to 545 kg of the raw material liquid.
- 233 kg of a solid-side cake containing LiOH: 1 wt.% And NaCI: 35 wt.% was obtained. This was put into 500 kg of NMF and slurried again.
- the solid-side cake is dried by a self-cleaning type dryer [“SC Processor SCP-100 Model 100” manufactured by Kurimoto Tekkosho Co., Ltd.] at a temperature of 150 ° (: The material was dried continuously at a temperature of 190 ° C, a pressure of 14 kPa ⁇ abs, and a raw material supply rate of 38 kg / Hr. Finish drying was carried out batchwise at a temperature of 240 ° C and a medium temperature of 240 ° C at atmospheric pressure The final dried product was 2.0 wt.% Of PAS oligomer, NMP: 71 O ppm, and Na remaining. The composition was C l.
- the dried product obtained above was dried at a speed of 1.2 kg / h at an inner diameter of 150 mm.
- 30 g of the obtained calcined product was put into 500 milliliters of water, and the dissolution rate was measured by the following method. The dissolution rate was within 5 minutes, the SS content was 10 ppm, COD was 20 ppm.
- Ion electrode meter is immersed in water, and the calcined material is charged while stirring with a stirrer. The time from injection until the ion potential no longer increased was taken as the dissolution rate (min).
- the sintering treatment was performed in the same manner as in Example 1 except that the sintering temperature was set to 700 ° C.
- the dissolution rate was within 1 minute
- the SS content was 3 ppm
- the COD was 7 ppm.
- Example 2 The same dried product obtained in Example 1 was produced at a speed of 5.0 kg / h at an inner diameter of 300 mm. A length of 150 mm swiveling melting furnace (effective volume: 90 liters) ), And was continuously fired at a temperature of 905 ° C and a residence time of 30 minutes. After cooling, the obtained calcined product was evaluated in the same manner as in Example 1. As a result, the dissolution rate was within 1 minute, and the S S component and C 0 D were not detected.
- Example 2 The same product as the dried product obtained in Example 1 was evaluated in the same manner as in Example 1 without firing, and the dissolution rate was 30 minutes, the SS content was 1200 ppm, and C ⁇ D was 211 ppm. Industrial applicability
- the present invention improves the solubility of by-product salts produced as by-products in the production of polyarylene sulfide in water, and dissolves braces in water to produce wastewater, such as SS (solid particle) and COD (chemical
- the present invention relates to a method for treating polyarylene sulfide by-product salt, which can obtain wastewater with a low oxygen demand.
- Polyarylene sulfide in particular, polyphenylene sulfide, is used as an engineering plastic with excellent mechanical strength and heat resistance, as well as good electrical properties and high rigidity. Useful as various materials such as component materials.
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Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP02705184A EP1375565A4 (en) | 2001-03-30 | 2002-03-14 | PROCESS FOR TREATING SALTS OF BY-PRODUCTS PRESENT WITH POYLARYLENE SULFIDE |
US10/473,450 US6939942B2 (en) | 2001-03-30 | 2002-03-14 | Method of treating by-product salt yielded with polyarylene sulfide |
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JP2001-98374 | 2001-03-30 | ||
JP2001098374A JP2002293935A (ja) | 2001-03-30 | 2001-03-30 | ポリアリーレンスルフィド副生塩の焼成方法 |
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PCT/JP2002/002418 WO2002081549A1 (fr) | 2001-03-30 | 2002-03-14 | Procede de traitement de sels de sous-produits se presentant avec du sulfure de poylarylene |
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US (1) | US6939942B2 (ja) |
EP (1) | EP1375565A4 (ja) |
JP (1) | JP2002293935A (ja) |
CN (1) | CN1209393C (ja) |
MY (1) | MY127565A (ja) |
TW (1) | TWI308918B (ja) |
WO (1) | WO2002081549A1 (ja) |
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JP2002293939A (ja) * | 2001-03-30 | 2002-10-09 | Petroleum Energy Center | ポリアリーレンスルフィドの製造方法 |
US7018574B2 (en) * | 2003-02-20 | 2006-03-28 | Idemitsu Kosan Co., Ltd. | Process for removing volatile components in polyarylene sulfide |
US9403948B2 (en) | 2013-09-25 | 2016-08-02 | Ticona Llc | Salt byproduct separation during formation of polyarylene sulfide |
JP2016536377A (ja) | 2013-09-25 | 2016-11-24 | ティコナ・エルエルシー | ポリアリーレンスルフィドを形成するためのスクラビングプロセス |
WO2015047719A1 (en) | 2013-09-25 | 2015-04-02 | Ticona Llc | Method of polyarylene sulfide crystallization |
US9562139B2 (en) | 2013-09-25 | 2017-02-07 | Ticona Llc | Process for forming low halogen content polyarylene sulfides |
WO2015047718A1 (en) | 2013-09-25 | 2015-04-02 | Ticona Llc | Multi-stage process for forming polyarylene sulfides |
US9604156B2 (en) | 2013-09-25 | 2017-03-28 | Ticona Llc | Method and system for separation of a polymer from multiple compounds |
US20150175748A1 (en) * | 2013-12-19 | 2015-06-25 | Chevron Phillips Chemical Company Lp | Process for Production of Poly(Arylene Sulfide) |
JP6803844B2 (ja) | 2015-02-19 | 2020-12-23 | ティコナ・エルエルシー | 低粘度のポリアリーレンスルフィドを形成する方法 |
WO2016133739A1 (en) | 2015-02-19 | 2016-08-25 | Ticona Llc | Method for forming a high molecular weight polyarylene sulfide |
WO2016133740A1 (en) | 2015-02-19 | 2016-08-25 | Ticona Llc | Method of polyarylene sulfide precipitation |
WO2016153610A1 (en) | 2015-03-25 | 2016-09-29 | Ticona Llc | Technique for forming a high melt viscosity polyarylene sulfide |
JP6484819B2 (ja) * | 2016-02-10 | 2019-03-20 | パナソニックIpマネジメント株式会社 | 部品実装システムおよび部品実装方法 |
KR102251793B1 (ko) * | 2018-10-19 | 2021-05-13 | 주식회사 엘지화학 | 폴리아릴렌 설파이드의 분리 정제 방법 |
KR102251792B1 (ko) * | 2018-10-19 | 2021-05-13 | 주식회사 엘지화학 | 폴리아릴렌 설파이드의 분리 회수 방법 |
US11407861B2 (en) | 2019-06-28 | 2022-08-09 | Ticona Llc | Method for forming a polyarylene sulfide |
CN115279734A (zh) | 2019-12-20 | 2022-11-01 | 提克纳有限责任公司 | 形成聚芳硫醚的方法 |
CN111574713A (zh) * | 2020-06-16 | 2020-08-25 | 四川明道和化学新材料有限公司 | 聚苯硫醚副产盐的回收方法 |
CN113680128B (zh) * | 2021-07-27 | 2023-06-06 | 山东明化新材料有限公司 | 一种聚芳硫醚树脂的连续洗涤净化系统及净化方法 |
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JPH07207027A (ja) * | 1994-01-10 | 1995-08-08 | Idemitsu Petrochem Co Ltd | ポリアリーレンスルフィドの製造方法 |
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DE3433978A1 (de) * | 1984-09-15 | 1986-03-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur isolierung von polyarylensulfiden |
US4820801A (en) | 1985-11-02 | 1989-04-11 | Tosoh Corp. | Polyphenylene sulfide containing covalently bonded chlorine in a reduced amount |
US4910294A (en) * | 1988-06-20 | 1990-03-20 | Idemitsu Petrochemical Company Limited | Two-stage process for production of polyarylene sulfides with lithium compound |
JPH0722645B2 (ja) * | 1988-10-18 | 1995-03-15 | 出光石油化学株式会社 | ポリアリーレンスルフィド製造溶媒の回収方法 |
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JP3287401B2 (ja) * | 1998-12-28 | 2002-06-04 | 株式会社栗本鐵工所 | 間接加熱型撹拌乾燥機 |
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2001
- 2001-03-30 JP JP2001098374A patent/JP2002293935A/ja active Pending
-
2002
- 2002-03-14 US US10/473,450 patent/US6939942B2/en not_active Expired - Fee Related
- 2002-03-14 EP EP02705184A patent/EP1375565A4/en not_active Withdrawn
- 2002-03-14 CN CNB028076990A patent/CN1209393C/zh not_active Expired - Fee Related
- 2002-03-14 WO PCT/JP2002/002418 patent/WO2002081549A1/ja not_active Application Discontinuation
- 2002-03-20 TW TW091105334A patent/TWI308918B/zh not_active IP Right Cessation
- 2002-03-28 MY MYPI20021131A patent/MY127565A/en unknown
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EP0321881A2 (en) * | 1987-12-19 | 1989-06-28 | Idemitsu Petrochemical Co. Ltd. | Method of recovering a lithium chloride |
JPH07207027A (ja) * | 1994-01-10 | 1995-08-08 | Idemitsu Petrochem Co Ltd | ポリアリーレンスルフィドの製造方法 |
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US20040087758A1 (en) | 2004-05-06 |
US6939942B2 (en) | 2005-09-06 |
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EP1375565A1 (en) | 2004-01-02 |
MY127565A (en) | 2006-12-29 |
CN1209393C (zh) | 2005-07-06 |
JP2002293935A (ja) | 2002-10-09 |
EP1375565A4 (en) | 2005-01-12 |
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