JP2021519809A - 貯蔵安定性が改善されたポリチオールの調製方法 - Google Patents
貯蔵安定性が改善されたポリチオールの調製方法 Download PDFInfo
- Publication number
- JP2021519809A JP2021519809A JP2020559500A JP2020559500A JP2021519809A JP 2021519809 A JP2021519809 A JP 2021519809A JP 2020559500 A JP2020559500 A JP 2020559500A JP 2020559500 A JP2020559500 A JP 2020559500A JP 2021519809 A JP2021519809 A JP 2021519809A
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- JP
- Japan
- Prior art keywords
- polythiol
- thiourea
- acid
- chemical
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 229920006295 polythiol Polymers 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000003860 storage Methods 0.000 title claims abstract description 29
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 165
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 239000000126 substance Substances 0.000 claims description 83
- 150000001875 compounds Chemical class 0.000 claims description 40
- 238000005406 washing Methods 0.000 claims description 38
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 34
- 229920005862 polyol Polymers 0.000 claims description 33
- 150000003077 polyols Chemical class 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 24
- 239000007864 aqueous solution Substances 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 23
- 239000002699 waste material Substances 0.000 claims description 22
- 150000004820 halides Chemical class 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 10
- 125000004434 sulfur atom Chemical group 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 125000000101 thioether group Chemical group 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 230000005180 public health Effects 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- SXDBWCPKPHAZSM-UHFFFAOYSA-N bromic acid Chemical compound OBr(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-N 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 230000003301 hydrolyzing effect Effects 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 6
- 239000000047 product Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000000463 material Substances 0.000 description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 17
- -1 for example Inorganic materials 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- 229920002578 polythiourethane polymer Polymers 0.000 description 11
- 230000007062 hydrolysis Effects 0.000 description 10
- 238000006460 hydrolysis reaction Methods 0.000 description 10
- 239000012948 isocyanate Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 8
- 150000002513 isocyanates Chemical class 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000007809 chemical reaction catalyst Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 6
- 238000004128 high performance liquid chromatography Methods 0.000 description 5
- 229910052979 sodium sulfide Inorganic materials 0.000 description 5
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 229910052794 bromium Inorganic materials 0.000 description 4
- 238000002845 discoloration Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 241000705989 Tetrax Species 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 150000007514 bases Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000007810 chemical reaction solvent Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 150000002367 halogens Chemical group 0.000 description 3
- YPQKTLPPOXNDMC-UHFFFAOYSA-N isocyanic acid;methylcyclohexane Chemical compound N=C=O.CC1CCCCC1 YPQKTLPPOXNDMC-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000004704 ultra performance liquid chromatography Methods 0.000 description 3
- 0 *CC(CNCCN)NCC(C*)NCCN Chemical compound *CC(CNCCN)NCC(C*)NCCN 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
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- HIZOQWCKBQJHMS-UHFFFAOYSA-N CCSC.N=C=O Chemical compound CCSC.N=C=O HIZOQWCKBQJHMS-UHFFFAOYSA-N 0.000 description 2
- LYDXQVJYOHDKID-UHFFFAOYSA-N CCSCC.N=C=O Chemical compound CCSCC.N=C=O LYDXQVJYOHDKID-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000005058 Isophorone diisocyanate Substances 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 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 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- COYTVZAYDAIHDK-UHFFFAOYSA-N [5-(sulfanylmethyl)-1,4-dithian-2-yl]methanethiol Chemical compound SCC1CSC(CS)CS1 COYTVZAYDAIHDK-UHFFFAOYSA-N 0.000 description 2
- QNSUVMHSJGIMDL-UHFFFAOYSA-N [6-(sulfanylmethylsulfanyl)-1,3-dithian-4-yl]sulfanylmethanethiol Chemical compound SCSC1CC(SCS)SCS1 QNSUVMHSJGIMDL-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- PFRGXCVKLLPLIP-UHFFFAOYSA-N diallyl disulfide Chemical compound C=CCSSCC=C PFRGXCVKLLPLIP-UHFFFAOYSA-N 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 239000012760 heat stabilizer Substances 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 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 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- INBDPOJZYZJUDA-UHFFFAOYSA-N methanedithiol Chemical compound SCS INBDPOJZYZJUDA-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 125000002270 phosphoric acid ester group Chemical group 0.000 description 2
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- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
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- 125000003396 thiol group Chemical group [H]S* 0.000 description 2
- 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 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
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- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- VRQFYSHDLYCPRC-UHFFFAOYSA-N (ethylsulfanyl)methanethiol Chemical compound CCSCS VRQFYSHDLYCPRC-UHFFFAOYSA-N 0.000 description 1
- XVNGTGZGWDPIRR-UHFFFAOYSA-N 1,2,2-tris(sulfanylmethylsulfanyl)ethylsulfanylmethanethiol Chemical compound SCSC(SCS)C(SCS)SCS XVNGTGZGWDPIRR-UHFFFAOYSA-N 0.000 description 1
- MMJDYWRDMVPQPF-UHFFFAOYSA-N 1,2-diisocyanato-3,4-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=C(N=C=O)C(N=C=O)=C1C(C)C MMJDYWRDMVPQPF-UHFFFAOYSA-N 0.000 description 1
- QOKSGFNBBSSNAL-UHFFFAOYSA-N 1,2-diisocyanato-3,4-dimethylbenzene Chemical compound CC1=CC=C(N=C=O)C(N=C=O)=C1C QOKSGFNBBSSNAL-UHFFFAOYSA-N 0.000 description 1
- LUYHWJKHJNFYGV-UHFFFAOYSA-N 1,2-diisocyanato-3-phenylbenzene Chemical compound O=C=NC1=CC=CC(C=2C=CC=CC=2)=C1N=C=O LUYHWJKHJNFYGV-UHFFFAOYSA-N 0.000 description 1
- HMDXXHVBUMKDQL-UHFFFAOYSA-N 1,2-diisocyanato-3-propan-2-ylbenzene Chemical compound CC(C)C1=CC=CC(N=C=O)=C1N=C=O HMDXXHVBUMKDQL-UHFFFAOYSA-N 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
- VYMPLPIFKRHAAC-UHFFFAOYSA-N 1,2-ethanedithiol Chemical compound SCCS VYMPLPIFKRHAAC-UHFFFAOYSA-N 0.000 description 1
- FDJWTMYNYYJBAT-UHFFFAOYSA-N 1,3,3-tris(sulfanylmethylsulfanyl)propylsulfanylmethanethiol Chemical compound SCSC(SCS)CC(SCS)SCS FDJWTMYNYYJBAT-UHFFFAOYSA-N 0.000 description 1
- OHLKMGYGBHFODF-UHFFFAOYSA-N 1,4-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=C(CN=C=O)C=C1 OHLKMGYGBHFODF-UHFFFAOYSA-N 0.000 description 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- JFLJVRLBIZHFSU-UHFFFAOYSA-N 1,4-dithiane-2,5-dithiol Chemical compound SC1CSC(S)CS1 JFLJVRLBIZHFSU-UHFFFAOYSA-N 0.000 description 1
- QGLRLXLDMZCFBP-UHFFFAOYSA-N 1,6-diisocyanato-2,4,4-trimethylhexane Chemical compound O=C=NCC(C)CC(C)(C)CCN=C=O QGLRLXLDMZCFBP-UHFFFAOYSA-N 0.000 description 1
- AXIWPQKLPMINAT-UHFFFAOYSA-N 1-ethyl-2,3-diisocyanatobenzene Chemical compound CCC1=CC=CC(N=C=O)=C1N=C=O AXIWPQKLPMINAT-UHFFFAOYSA-N 0.000 description 1
- RRPZHYWZRCTYBG-UHFFFAOYSA-N 18,18-dimethylnonadecan-1-amine Chemical class CC(C)(C)CCCCCCCCCCCCCCCCCN RRPZHYWZRCTYBG-UHFFFAOYSA-N 0.000 description 1
- LZPWWEIVATVWKK-UHFFFAOYSA-N 2,2,5-trimethyl-1,4-dithiane Chemical compound CC1(SCC(SC1)C)C LZPWWEIVATVWKK-UHFFFAOYSA-N 0.000 description 1
- MTZVWTOVHGKLOX-UHFFFAOYSA-N 2,2-bis(sulfanylmethyl)propane-1,3-dithiol Chemical compound SCC(CS)(CS)CS MTZVWTOVHGKLOX-UHFFFAOYSA-N 0.000 description 1
- CEUQYYYUSUCFKP-UHFFFAOYSA-N 2,3-bis(2-sulfanylethylsulfanyl)propane-1-thiol Chemical compound SCCSCC(CS)SCCS CEUQYYYUSUCFKP-UHFFFAOYSA-N 0.000 description 1
- IYQVQZXLTJHEKZ-UHFFFAOYSA-N 2-(ethylsulfanyl)ethanethiol Chemical compound CCSCCS IYQVQZXLTJHEKZ-UHFFFAOYSA-N 0.000 description 1
- QTEWPHJCEXIMRJ-UHFFFAOYSA-N 2-[2,3-bis(2-sulfanylethylsulfanyl)propylsulfanyl]ethanethiol Chemical compound SCCSCC(SCCS)CSCCS QTEWPHJCEXIMRJ-UHFFFAOYSA-N 0.000 description 1
- GXZOVNDNOCVCFF-UHFFFAOYSA-N 2-[bis(2-sulfanylethylsulfanyl)methylsulfanyl]ethanethiol Chemical compound SCCSC(SCCS)SCCS GXZOVNDNOCVCFF-UHFFFAOYSA-N 0.000 description 1
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- DUYICINCNBSZMH-UHFFFAOYSA-N 3-[2,3-bis(3-sulfanylpropylsulfanyl)propylsulfanyl]propane-1-thiol Chemical compound SCCCSCC(SCCCS)CSCCCS DUYICINCNBSZMH-UHFFFAOYSA-N 0.000 description 1
- SQTMWMRJFVGAOW-UHFFFAOYSA-N 3-[2,3-bis(sulfanyl)propylsulfanyl]propane-1,2-dithiol Chemical compound SCC(S)CSCC(S)CS SQTMWMRJFVGAOW-UHFFFAOYSA-N 0.000 description 1
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- 239000004970 Chain extender Substances 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
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- NPBTYNRGLVLCSG-UHFFFAOYSA-N N=C=O.C1CCCCC1C(C)(C)C1CCCCC1 Chemical compound N=C=O.C1CCCCC1C(C)(C)C1CCCCC1 NPBTYNRGLVLCSG-UHFFFAOYSA-N 0.000 description 1
- HDONYZHVZVCMLR-UHFFFAOYSA-N N=C=O.N=C=O.CC1CCCCC1 Chemical compound N=C=O.N=C=O.CC1CCCCC1 HDONYZHVZVCMLR-UHFFFAOYSA-N 0.000 description 1
- OQSSNGKVNWXYOE-UHFFFAOYSA-N N=C=O.N=C=O.CCC(C)CC(C)(C)C Chemical compound N=C=O.N=C=O.CCC(C)CC(C)(C)C OQSSNGKVNWXYOE-UHFFFAOYSA-N 0.000 description 1
- MFWSSBVVMCUQFC-UHFFFAOYSA-N N=C=O.N=C=O.CCCC(C)(C)C Chemical compound N=C=O.N=C=O.CCCC(C)(C)C MFWSSBVVMCUQFC-UHFFFAOYSA-N 0.000 description 1
- LRNAHSCPGKWOIY-UHFFFAOYSA-N N=C=O.N=C=O.N=C=O.C1=CC=CC=C1 Chemical compound N=C=O.N=C=O.N=C=O.C1=CC=CC=C1 LRNAHSCPGKWOIY-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 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
- RUDUCNPHDIMQCY-UHFFFAOYSA-N [3-(2-sulfanylacetyl)oxy-2,2-bis[(2-sulfanylacetyl)oxymethyl]propyl] 2-sulfanylacetate Chemical compound SCC(=O)OCC(COC(=O)CS)(COC(=O)CS)COC(=O)CS RUDUCNPHDIMQCY-UHFFFAOYSA-N 0.000 description 1
- JOBBTVPTPXRUBP-UHFFFAOYSA-N [3-(3-sulfanylpropanoyloxy)-2,2-bis(3-sulfanylpropanoyloxymethyl)propyl] 3-sulfanylpropanoate Chemical compound SCCC(=O)OCC(COC(=O)CCS)(COC(=O)CCS)COC(=O)CCS JOBBTVPTPXRUBP-UHFFFAOYSA-N 0.000 description 1
- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive 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
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- LUFPJJNWMYZRQE-UHFFFAOYSA-N benzylsulfanylmethylbenzene Chemical compound C=1C=CC=CC=1CSCC1=CC=CC=C1 LUFPJJNWMYZRQE-UHFFFAOYSA-N 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- QWCNRESNZMCPJW-UHFFFAOYSA-N bis(sulfanylmethylsulfanyl)methylsulfanylmethanethiol Chemical compound SCSC(SCS)SCS QWCNRESNZMCPJW-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- RLGQACBPNDBWTB-UHFFFAOYSA-N cetyltrimethylammonium ion Chemical class CCCCCCCCCCCCCCCC[N+](C)(C)C RLGQACBPNDBWTB-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- XWKIXFQOFAVHQI-UHFFFAOYSA-N disodium;sulfide;pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[S-2] XWKIXFQOFAVHQI-UHFFFAOYSA-N 0.000 description 1
- DGJUONISEWDPFO-UHFFFAOYSA-N dodecyl(triethyl)azanium Chemical class CCCCCCCCCCCC[N+](CC)(CC)CC DGJUONISEWDPFO-UHFFFAOYSA-N 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- MHSBXIYDCOYMJB-UHFFFAOYSA-N ethene;ethylbenzene Chemical compound C=C.CCC1=CC=CC=C1 MHSBXIYDCOYMJB-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- VCAVAURZPNANDQ-UHFFFAOYSA-N ethyl-hexadecyl-dimethylazanium Chemical class CCCCCCCCCCCCCCCC[N+](C)(C)CC VCAVAURZPNANDQ-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 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
- 239000000945 filler Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- ZUZLIXGTXQBUDC-UHFFFAOYSA-N methyltrioctylammonium Chemical class CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC ZUZLIXGTXQBUDC-UHFFFAOYSA-N 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- FTWUXYZHDFCGSV-UHFFFAOYSA-N n,n'-diphenyloxamide Chemical compound C=1C=CC=CC=1NC(=O)C(=O)NC1=CC=CC=C1 FTWUXYZHDFCGSV-UHFFFAOYSA-N 0.000 description 1
- ZEOQPNRYUCROGZ-UHFFFAOYSA-N n,n-dibutylbutan-1-amine;hydrobromide Chemical compound [Br-].CCCC[NH+](CCCC)CCCC ZEOQPNRYUCROGZ-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- UWHMFGKZAYHMDJ-UHFFFAOYSA-N propane-1,2,3-trithiol Chemical compound SCC(S)CS UWHMFGKZAYHMDJ-UHFFFAOYSA-N 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012898 sample dilution Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- RAOIDOHSFRTOEL-UHFFFAOYSA-N tetrahydrothiophene Chemical compound C1CCSC1 RAOIDOHSFRTOEL-UHFFFAOYSA-N 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- KLBOFRLEHJAXIU-UHFFFAOYSA-N tributylazanium;chloride Chemical compound Cl.CCCCN(CCCC)CCCC KLBOFRLEHJAXIU-UHFFFAOYSA-N 0.000 description 1
- NRTLTGGGUQIRRT-UHFFFAOYSA-N triethylazanium;bromide Chemical compound [Br-].CC[NH+](CC)CC NRTLTGGGUQIRRT-UHFFFAOYSA-N 0.000 description 1
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical compound Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 description 1
- AISMNBXOJRHCIA-UHFFFAOYSA-N trimethylazanium;bromide Chemical compound Br.CN(C)C AISMNBXOJRHCIA-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/02—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
- C07C319/08—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by replacement of hydroxy groups or etherified or esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
- C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
- C07C319/28—Separation; Purification
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
- C07C321/02—Thiols having mercapto groups bound to acyclic carbon atoms
- C07C321/04—Thiols having mercapto groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D339/00—Heterocyclic compounds containing rings having two sulfur atoms as the only ring hetero atoms
- C07D339/08—Six-membered rings
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Abstract
Description
実現例に係るポリチオールの調製方法は、硫黄原子が含有された有機ハロゲン化物またはポリオール1当量に対してチオウレア1.11〜1.30範囲の当量を反応させる段階と、前記反応の生成物を加水分解して未精製のポリチオールを得る段階と、前記未精製のポリチオールを酸洗浄および水洗浄して未反応のチオウレアを除去する段階を含む。
まず、硫黄原子が含有された有機ハロゲン化物またはポリオールを準備する。
前記硫黄原子が含有された有機ハロゲン化物またはポリオールは、従来の公知の方法により調製され得る。
[化5]
[化5a]
前記化学式4および5aにおいてXはハロゲンであり、例えばCl、BrまたはIである。
この際、前記化学式5の化合物1モルに対して、前記化学式4の化合物0.9モル〜1.1モルが使用され得る。
前記還流時の温度は60℃〜130℃にてあり得、より好ましくは90℃〜120℃であり得る。また、前記還流時間は1時間〜24時間であり得、より具体的に6時間〜12時間であり得る。
以上のようなチオウレアとの反応によりイソチオウロニウム塩が生成される。
前記粗ポリチオールは、洗浄、精製、および脱水などの後工程を経る。
前記水洗浄は、廃液が中性、例えば、pH6〜7になるまで繰り返し行うことが、ポリチオールの品質を確保するために有利である。
他の実現例によると、先般の方法により調製されたポリチオールが提供される。
その後、ポリチオウレタン系光学材料をモルドから分離する。
以下、実施例により本発明をさらに具体的に説明する。以下の実施例は、本発明を例示するものであるのみ、本発明の範囲はこれらに限定されるものではない。
[段階(1):ポリオールの合成]
撹拌機、還流冷却管、窒素ガスパージ管、および温度計が装着された2L4口反応フラスコ内に、2−メルカプトエタノール89.1g(1.14モル)、水44.8g、および47%水酸化ナトリウム水溶液0.4gを装入した。反応フラスコにエピクロロヒドリン107.3g(1.16モル)を10℃にて4時間滴下し、1時間熟成した。その後、16.9%硫化ナトリウム水溶液261.6g(0.58モル)を25℃にて1時間滴下し、同じ温度にて3時間熟成してポリオールを得た。
以降、予め再結晶して得たカルシウム含有量0.05%および純度99.90%のチオウレア199.4g(2.62モル、ポリオール1当量対比約1.15当量)を投入し、110℃還流条件下で3時間熟成した。反応液を60℃に冷却した後、トルエン360.0gおよび25%アンモニア水溶液347.4g(5.10モル)を加え加水分解を行った。
有機層を分離し、36%塩酸水溶液180gで洗浄した。さらに5%塩酸水溶液180gで2回洗浄して廃液内にチオウレアがないことをHPLCにより確認した。このように酸洗浄された溶液に対して水洗浄を行うが、廃液のpHが6〜7になるまで水洗浄を繰り返した。その後、ポリチオール溶液を減圧濃縮してトルエンを除去し、0.2μmPTFEフィルタでろ過して、前記化学式8a〜8cのポリチオールの混合物191.4gを得た。
[段階(1):ポリオールの合成]
45%水酸化ナトリウム水溶液50.4g(0.567モル)に2−メルカプトエタノール88.7g(1.14モル)を滴下して均一溶液にした後、エピクロロヒドリン50.5g(0.546モル)を1.5時間の間滴下し、112℃にて0.5時間加熱撹拌した。
室温に冷却後、36%塩酸270g(2.66モル)とチオウレア143.1g(1.88モル、ポリオール1当量対比約1.15当量)とを添加して112℃にて1.5時間撹拌した。
有機層を分離し、5%塩酸水溶液150gで2回洗浄して廃液内にチオウレアがないことをHPLCにより確認した。このように酸洗浄された溶液に対して水洗浄を行うが、廃液のpHが6〜7になるまで水洗浄を繰り返した。その後、ポリチオール溶液を減圧濃縮してトルエンを除去し、0.2μmPTFEフィルタでろ過して、前記化学式9のポリチオール138.3gを得た。
前記実施例1の手順を繰り返すが、段階2においてチオウレアの投入量を215.1g(2.83モル、ポリオール1当量比で約1.24当量)にした。また、段階3において36%塩酸水溶液による酸洗浄の後、5%塩酸水溶液で3回洗浄して廃液内にチオウレアがないことをHPLCにより確認した。その後、水洗浄、減圧濃縮、およびろ過を同様に行い、前記化学式8a〜8cのポリチオールの混合物192.7gを得た。
前記実施例2の手順を繰り返すが、段階2においてチオウレアの投入量を144.4g(1.90モル、ポリオール1当量対比約1.11当量)にした。また、段階3において36%塩酸水溶液による酸洗浄の後、5%塩酸水溶液で1回洗浄し、廃液内にチオウレアがないことをHPLCにより確認した。その後、水洗浄、減圧濃縮、およびろ過を同様に行い、前記化学式9のポリチオール134.7gを得た。
前記実施例2の手順を繰り返すが、段階2においてチオウレアの投入量を169.2g(2.22モル、ポリオール1当量対比約1.30当量)にした。また、段階3において36%塩酸水溶液による酸洗浄の後、5%塩酸水溶液で4回洗浄して廃液内にチオウレアがないことをHPLCにより確認した。このように酸洗浄された溶液に対して水洗浄を行うが、廃液のpHが6〜7になるまで水洗浄を繰り返した。その後、水洗浄、減圧濃縮、およびろ過を同様に行い、前記化学式9のポリチオール130.6gを得た。
前記実施例1の手順を繰り返すが、段階2においてチオウレアの投入量を242.9g(3.19モル、ポリオール1当量対比約1.40当量)にした。また、段階3において、36%塩酸水溶液の酸洗浄工程の後、5%塩酸水溶液を5回酸洗浄したが、廃液内にチオウレアが検出された。このように酸洗浄された反応液に対して水洗浄を繰り返して廃液のpHが6〜7まで到達したが、やはり廃液内にチオウレアが検出された。その後、水洗浄、減圧濃縮、およびろ過を同様に行い、前記化学式8a〜8cのポリチオールの混合物171.7gを得た。
前記実施例2の手順を繰り返すが、段階3において、36%塩酸水溶液の酸洗浄後に、追加の酸洗浄することなく水洗浄を繰り返して廃液のpH6〜7まで到達させており、廃液内に除去されていないチオウレアが検出された。その後、減圧、濃縮およびろ過を同様に行い、前記化学式9のポリチオール140.7gを得た。
前記実施例1の手順を繰り返すが、段階2においてチオウレアの投入量を182.2g(2.39モル、ポリオール1当量対比約1.05当量)にして、前記化学式8a〜8cのポリチオールの混合物164.8gを得た。
前記実施例2の手順を繰り返すが、段階2においてチオウレアの投入量を139.2g(1.83モル、ポリオール1当量対比約1.07当量)にした。また、段階3において、36%塩酸水溶液で酸洗浄後に、追加の酸洗浄することなく水洗浄を繰り返して廃液のpHが6〜7まで到達したが、廃液内にチオウレアが検出された。その後、減圧、濃縮およびろ過を同様に行い、前記化学式9のポリチオール130.8gを得た。
前記実施例および比較例で調製したポリチオールについて、以下の手順により評価し、その結果を下記表1にまとめた。
ポリチオール試料について、以下の条件に基づいて残留チオウレアが存在するか試験を行った。
− 流速:0.2mL/min、注入量:5.0μL(PLNO)、試料濃度:10μg/mL、
− 試料希釈:MeCN/MeOH(75:25)、0.2%HCOOH、カラム温度:25℃、弱ニードル洗浄:MeCN/H2O(95:5)
− 検出波長:245nmUV、サンプリングレート:20points/sec、フィルタ時定数:0.2
− 機器名:Waters ACQUITY UPLC with ACQUITY UPLC PDA Detector
− 前記条件により4.2分間廃液内チオウレアの存在有無を判断
また、比較例1の試験結果を図2に示し、残留チオウレアのピークを確認することができた。
ポリチオール試料について、FT−IR分析により3400cm−1〜3500cm−1の水酸基存在の有無を判断した。
JIS K0071−1規格に準拠して、標準溶液をAPHA5単位で調製し、ポリチオール試料のAPHA(American Public Health Association)色彩値を目視で観察した。正確な色を判断するために、ポリチオールは0.2μmPTEFフィルタを利用し固相沈殿物を除去して色彩値を測定した。
ポリチオール試料を80℃のオーブンに30日間保管した後、初期に比べて変化したAPHA色彩値の差値を測定した。
ポリチオール試料を130℃のオーブンに2日関保管した後、沈殿物の発生有無を目視で観察した。
ポリチオール試料の貯蔵安定性を評価するために、色差計(Colormate、シンコー社)を利用して、CIE L*a*b*色座標のL*値を測定した(D65光源、10°)。
Claims (14)
- 硫黄原子が含有された有機ハロゲン化物またはポリオール1当量に対してチオウレア1.11〜1.30範囲の当量を反応させる段階と、
前記反応の生成物を加水分解して未精製のポリチオールを得る段階と、
前記未精製のポリチオールを酸洗浄および水洗浄して未反応のチオウレアを除去する段階とを含む、ポリチオールの調製方法。 - 前記水洗浄を廃液のpHが6〜7になるまで繰り返し行う、請求項1に記載のポリチオールの調製方法。
- 前記ポリオールがチオエーテル基を有するポリオールであり、
前記ポリチオールがチオエーテル基を有する、請求項1に記載のポリチオールの調製方法。 - 前記酸洗浄および水洗浄は、廃液内にチオウレアが検出されなくなるまで繰り返し行われる、請求項1に記載のポリチオールの調製方法。
- 前記酸洗浄が、塩酸、硝酸、硫酸、リン酸、ホウ酸、炭酸、フッ化水素酸、および臭素酸からなる群より選択される無機酸が1重量%〜40重量%で含有された酸水溶液を用いて行われる、請求項1に記載のポリチオールの調製方法。
- 前記ポリチオールが、60℃の温度および7日の条件における保管時に、L*値の変化(ΔL*)が3以下である、請求項10に記載のポリチオール。
- 前記ポリチオールが、10℃〜20℃の温度および365日の条件における保管時に、L*値の変化(ΔL*)が3以下である、請求項10に記載のポリチオール。
- 前記ポリチオールが80℃にて30日間の保管時に、APHA(American Public Health Association)色彩値の変化が0〜15である、請求項10に記載のポリチオール。
- 前記ポリチオールが、前記請求項1に記載の方法により調製され、チオウレアの含有量が100ppm以下である、請求項10に記載のポリチオール。
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