JP7474617B2 - Polymer composition, blocked polymer composition, and method for producing the same - Google Patents
Polymer composition, blocked polymer composition, and method for producing the same Download PDFInfo
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- JP7474617B2 JP7474617B2 JP2020052941A JP2020052941A JP7474617B2 JP 7474617 B2 JP7474617 B2 JP 7474617B2 JP 2020052941 A JP2020052941 A JP 2020052941A JP 2020052941 A JP2020052941 A JP 2020052941A JP 7474617 B2 JP7474617 B2 JP 7474617B2
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- represented
- polymer composition
- following formula
- tris
- isocyanatoethyl
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims description 93
- 229920000642 polymer Polymers 0.000 title claims description 73
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 239000013638 trimer Substances 0.000 claims description 52
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 34
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 claims description 27
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 27
- 239000002981 blocking agent Substances 0.000 claims description 22
- 239000007983 Tris buffer Substances 0.000 claims description 21
- 229920005862 polyol Polymers 0.000 claims description 21
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 20
- 150000003077 polyols Chemical class 0.000 claims description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 17
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 claims description 14
- 150000001540 azides Chemical class 0.000 claims description 14
- WJKHJLXJJJATHN-UHFFFAOYSA-N triflic anhydride Chemical compound FC(F)(F)S(=O)(=O)OS(=O)(=O)C(F)(F)F WJKHJLXJJJATHN-UHFFFAOYSA-N 0.000 claims description 12
- WHIVNJATOVLWBW-SNAWJCMRSA-N methylethyl ketone oxime Chemical compound CC\C(C)=N\O WHIVNJATOVLWBW-SNAWJCMRSA-N 0.000 claims description 10
- ZTNJGMFHJYGMDR-UHFFFAOYSA-N 1,2-diisocyanatoethane Chemical group O=C=NCCN=C=O ZTNJGMFHJYGMDR-UHFFFAOYSA-N 0.000 claims description 9
- SDXAWLJRERMRKF-UHFFFAOYSA-N 3,5-dimethyl-1h-pyrazole Chemical compound CC=1C=C(C)NN=1 SDXAWLJRERMRKF-UHFFFAOYSA-N 0.000 claims description 9
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 claims description 9
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 9
- 229940043279 diisopropylamine Drugs 0.000 claims description 9
- 150000001412 amines Chemical class 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 230000008707 rearrangement Effects 0.000 claims description 7
- IMRWILPUOVGIMU-UHFFFAOYSA-N 2-bromopyridine Chemical compound BrC1=CC=CC=N1 IMRWILPUOVGIMU-UHFFFAOYSA-N 0.000 claims description 6
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 claims description 6
- 239000000376 reactant Substances 0.000 claims description 6
- 238000006969 Curtius rearrangement reaction Methods 0.000 claims description 5
- 229920006295 polythiol Polymers 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 229920000768 polyamine Polymers 0.000 claims description 3
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 53
- 239000002904 solvent Substances 0.000 description 39
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 30
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 27
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 24
- -1 etc. Natural products 0.000 description 24
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 21
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 21
- 238000005160 1H NMR spectroscopy Methods 0.000 description 19
- 239000000243 solution Substances 0.000 description 19
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 15
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- HNZLUGFSVKCNBB-UHFFFAOYSA-N 1,3,5-tris(2-isocyanatoethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound O=C=NCCN1C(=O)N(CCN=C=O)C(=O)N(CCN=C=O)C1=O HNZLUGFSVKCNBB-UHFFFAOYSA-N 0.000 description 11
- 239000007787 solid Substances 0.000 description 11
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 10
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 10
- 238000011156 evaluation Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 239000003054 catalyst Substances 0.000 description 9
- WADSJYLPJPTMLN-UHFFFAOYSA-N 3-(cycloundecen-1-yl)-1,2-diazacycloundec-2-ene Chemical compound C1CCCCCCCCC=C1C1=NNCCCCCCCC1 WADSJYLPJPTMLN-UHFFFAOYSA-N 0.000 description 8
- 229920005749 polyurethane resin Polymers 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 6
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 238000010898 silica gel chromatography Methods 0.000 description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 5
- HENCHDCLZDQGIQ-UHFFFAOYSA-N 3-[3,5-bis(2-carboxyethyl)-2,4,6-trioxo-1,3,5-triazinan-1-yl]propanoic acid Chemical compound OC(=O)CCN1C(=O)N(CCC(O)=O)C(=O)N(CCC(O)=O)C1=O HENCHDCLZDQGIQ-UHFFFAOYSA-N 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 5
- 238000005481 NMR spectroscopy Methods 0.000 description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- 239000007810 chemical reaction solvent Substances 0.000 description 5
- 125000005442 diisocyanate group Chemical group 0.000 description 5
- MKRTXPORKIRPDG-UHFFFAOYSA-N diphenylphosphoryl azide Chemical compound C=1C=CC=CC=1P(=O)(N=[N+]=[N-])C1=CC=CC=C1 MKRTXPORKIRPDG-UHFFFAOYSA-N 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 239000004210 ether based solvent Substances 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 239000005056 polyisocyanate Substances 0.000 description 5
- 229920001228 polyisocyanate Polymers 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000008096 xylene Substances 0.000 description 5
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 3
- RKMGAJGJIURJSJ-UHFFFAOYSA-N 2,2,6,6-tetramethylpiperidine Chemical compound CC1(C)CCCC(C)(C)N1 RKMGAJGJIURJSJ-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- HREXFDIZSAUXBO-UHFFFAOYSA-N benzyl n-(2-bromoethyl)carbamate Chemical compound BrCCNC(=O)OCC1=CC=CC=C1 HREXFDIZSAUXBO-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 150000008282 halocarbons Chemical class 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- ITBRGMNAQSDPCP-UHFFFAOYSA-N 1,3,5-tris(2-aminoethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound NCCN1C(=O)N(CCN)C(=O)N(CCN)C1=O ITBRGMNAQSDPCP-UHFFFAOYSA-N 0.000 description 2
- PMBXCGGQNSVESQ-UHFFFAOYSA-N 1-Hexanethiol Chemical compound CCCCCCS PMBXCGGQNSVESQ-UHFFFAOYSA-N 0.000 description 2
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 2
- LLPKQRMDOFYSGZ-UHFFFAOYSA-N 2,5-dimethyl-1h-imidazole Chemical compound CC1=CN=C(C)N1 LLPKQRMDOFYSGZ-UHFFFAOYSA-N 0.000 description 2
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 2
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 2
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N 4-methylimidazole Chemical compound CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-L Malonate Chemical compound [O-]C(=O)CC([O-])=O OFOBLEOULBTSOW-UHFFFAOYSA-L 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- AFBPFSWMIHJQDM-UHFFFAOYSA-N N-methylaniline Chemical compound CNC1=CC=CC=C1 AFBPFSWMIHJQDM-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- PXAJQJMDEXJWFB-UHFFFAOYSA-N acetone oxime Chemical compound CC(C)=NO PXAJQJMDEXJWFB-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- OFVRPBKXUASRMX-UHFFFAOYSA-N benzyl N-[2-[2,4,6-trioxo-3,5-bis[2-(phenylmethoxycarbonylamino)ethyl]-1,3,5-triazinan-1-yl]ethyl]carbamate Chemical compound O=C(NCCn1c(=O)n(CCNC(=O)OCc2ccccc2)c(=O)n(CCNC(=O)OCc2ccccc2)c1=O)OCc1ccccc1 OFVRPBKXUASRMX-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical compound CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 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
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- VEZUQRBDRNJBJY-UHFFFAOYSA-N cyclohexanone oxime Chemical compound ON=C1CCCCC1 VEZUQRBDRNJBJY-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- GXHFUVWIGNLZSC-UHFFFAOYSA-N meldrum's acid Chemical compound CC1(C)OC(=O)CC(=O)O1 GXHFUVWIGNLZSC-UHFFFAOYSA-N 0.000 description 2
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 2
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- 239000007788 liquid Substances 0.000 description 1
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- RZWWYFLNOJPCNO-UHFFFAOYSA-N n-(2,2,6,6-tetramethylcyclohexylidene)hydroxylamine Chemical compound CC1(C)CCCC(C)(C)C1=NO RZWWYFLNOJPCNO-UHFFFAOYSA-N 0.000 description 1
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- HZCRFUPEBRNAAI-UHFFFAOYSA-N n-(3-methylbutan-2-ylidene)hydroxylamine Chemical compound CC(C)C(C)=NO HZCRFUPEBRNAAI-UHFFFAOYSA-N 0.000 description 1
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- ZKALVNREMFLWAN-UHFFFAOYSA-N n-(4-methylpentan-2-ylidene)hydroxylamine Chemical compound CC(C)CC(C)=NO ZKALVNREMFLWAN-UHFFFAOYSA-N 0.000 description 1
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- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- NXJCBFBQEVOTOW-UHFFFAOYSA-L palladium(2+);dihydroxide Chemical compound O[Pd]O NXJCBFBQEVOTOW-UHFFFAOYSA-L 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- KMTUBAIXCBHPIZ-UHFFFAOYSA-N pentane-1,5-dithiol Chemical compound SCCCCCS KMTUBAIXCBHPIZ-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- PFENPVAFZTUOOM-UHFFFAOYSA-N phenyl 3-oxobutanoate Chemical compound CC(=O)CC(=O)OC1=CC=CC=C1 PFENPVAFZTUOOM-UHFFFAOYSA-N 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- PJGSXYOJTGTZAV-UHFFFAOYSA-N pinacolone Chemical compound CC(=O)C(C)(C)C PJGSXYOJTGTZAV-UHFFFAOYSA-N 0.000 description 1
- BXRNXXXXHLBUKK-UHFFFAOYSA-N piperazine-2,5-dione Chemical compound O=C1CNC(=O)CN1 BXRNXXXXHLBUKK-UHFFFAOYSA-N 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002578 polythiourethane polymer Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- RLEFZEWKMQQZOA-UHFFFAOYSA-M potassium;octanoate Chemical compound [K+].CCCCCCCC([O-])=O RLEFZEWKMQQZOA-UHFFFAOYSA-M 0.000 description 1
- GVIIRWAJDFKJMJ-UHFFFAOYSA-N propan-2-yl 3-oxobutanoate Chemical compound CC(C)OC(=O)CC(C)=O GVIIRWAJDFKJMJ-UHFFFAOYSA-N 0.000 description 1
- ZJLMKPKYJBQJNH-UHFFFAOYSA-N propane-1,3-dithiol Chemical compound SCCCS ZJLMKPKYJBQJNH-UHFFFAOYSA-N 0.000 description 1
- OLBCVFGFOZPWHH-UHFFFAOYSA-N propofol Chemical compound CC(C)C1=CC=CC(C(C)C)=C1O OLBCVFGFOZPWHH-UHFFFAOYSA-N 0.000 description 1
- DHGFMVMDBNLMKT-UHFFFAOYSA-N propyl 3-oxobutanoate Chemical compound CCCOC(=O)CC(C)=O DHGFMVMDBNLMKT-UHFFFAOYSA-N 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 150000003217 pyrazoles Chemical class 0.000 description 1
- UBQKCCHYAOITMY-UHFFFAOYSA-N pyridin-2-ol Chemical compound OC1=CC=CC=N1 UBQKCCHYAOITMY-UHFFFAOYSA-N 0.000 description 1
- SHNUBALDGXWUJI-UHFFFAOYSA-N pyridin-2-ylmethanol Chemical compound OCC1=CC=CC=N1 SHNUBALDGXWUJI-UHFFFAOYSA-N 0.000 description 1
- WHMDPDGBKYUEMW-UHFFFAOYSA-N pyridine-2-thiol Chemical compound SC1=CC=CC=N1 WHMDPDGBKYUEMW-UHFFFAOYSA-N 0.000 description 1
- LISFMEBWQUVKPJ-UHFFFAOYSA-N quinolin-2-ol Chemical compound C1=CC=C2NC(=O)C=CC2=C1 LISFMEBWQUVKPJ-UHFFFAOYSA-N 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- RNVYQYLELCKWAN-UHFFFAOYSA-N solketal Chemical compound CC1(C)OCC(CO)O1 RNVYQYLELCKWAN-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- JKUYRAMKJLMYLO-UHFFFAOYSA-N tert-butyl 3-oxobutanoate Chemical compound CC(=O)CC(=O)OC(C)(C)C JKUYRAMKJLMYLO-UHFFFAOYSA-N 0.000 description 1
- GMRIOAVKKGNMMV-UHFFFAOYSA-N tetrabutylazanium;azide Chemical compound [N-]=[N+]=[N-].CCCC[N+](CCCC)(CCCC)CCCC GMRIOAVKKGNMMV-UHFFFAOYSA-N 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- MGSRCZKZVOBKFT-UHFFFAOYSA-N thymol Chemical compound CC(C)C1=CC=C(C)C=C1O MGSRCZKZVOBKFT-UHFFFAOYSA-N 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
- SEDZOYHHAIAQIW-UHFFFAOYSA-N trimethylsilyl azide Chemical compound C[Si](C)(C)N=[N+]=[N-] SEDZOYHHAIAQIW-UHFFFAOYSA-N 0.000 description 1
- NLSXASIDNWDYMI-UHFFFAOYSA-N triphenylsilanol Chemical compound C=1C=CC=CC=1[Si](C=1C=CC=CC=1)(O)C1=CC=CC=C1 NLSXASIDNWDYMI-UHFFFAOYSA-N 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
Description
本発明は、多量体組成物、ブロック化多量体組成物及びこれらの製造方法に関する。 The present invention relates to a polymer composition, a blocked polymer composition, and a method for producing the same.
ジイソシアネートの多量体として、イソシアヌレート骨格を有するポリイソシアネートが知られている。このような骨格のポリイソシアネートは、例えば、耐熱速乾性コーティングや、難燃耐熱性の優れた発泡体の原料として使用されている(例えば、非特許文献1)。ジイソシアネートの三量体の合成には、一般に、アルカリ性酢酸塩、アルカリ性蟻酸塩等の触媒(イソシアヌレート触媒)が用いられる。 Polyisocyanates with an isocyanurate skeleton are known as diisocyanate polymers. Polyisocyanates with such skeletons are used, for example, as raw materials for heat-resistant, fast-drying coatings and foams with excellent flame and heat resistance (e.g., Non-Patent Document 1). Catalysts such as alkaline acetates and alkaline formates (isocyanurate catalysts) are generally used to synthesize diisocyanate trimers.
イソシアヌレート骨格を有するポリイソシアネートを合成するに当たり、上述したようなイソシアヌレート触媒を使用した場合であっても、ジイソシアネートの三量体以外の多量体が一定量生じてしまい、多量体の混合物としてポリイソシアネートを使用せざるを得なくなる場合がある。また、三量体のみを得ようとすると手間のかかる精製工程が必要になり、純度の高い三量体を得ることも困難である。 When synthesizing a polyisocyanate having an isocyanurate skeleton, even if an isocyanurate catalyst as described above is used, a certain amount of polymers other than the diisocyanate trimer will be produced, and it may be necessary to use the polyisocyanate as a mixture of polymers. In addition, if one tries to obtain only the trimer, a time-consuming purification process is required, and it is difficult to obtain a trimer with a high purity.
ジイソシアネートの中でも、2つのイソシアネート基が短鎖のアルキレン基に結合した、エチレンジイソシアネートのようなジイソシアネートは、イソシアヌレート触媒による三量化が特に困難であり、工業化レベルはもとよりラボスケールにおいても合成が事実上不可能である。したがって、エチレンジイソシアネートの三量体は、純品としても多量体の混合物としても、利用できないのが現状である。 Among diisocyanates, diisocyanates such as ethylene diisocyanate, in which two isocyanate groups are bonded to a short-chain alkylene group, are particularly difficult to trimerize using an isocyanurate catalyst, and synthesis is virtually impossible even on a laboratory scale, let alone at an industrial level. Therefore, the trimer of ethylene diisocyanate cannot currently be used either as a pure product or as a mixture of polymers.
本発明の目的は、エチレンジイソシアネート(以下「EDI」と省略する場合がある。)の多量体組成物であって、三量体(イソシアヌレート体)の含有量が十分に高く、活性水素含有化合物と反応させることで、EDIのイソシアヌレート体の骨格に由来する特性を発揮させることが可能な反応物を得ることができる組成物を提供することにある。 The object of the present invention is to provide a polymer composition of ethylene diisocyanate (hereinafter sometimes abbreviated as "EDI") that has a sufficiently high content of trimer (isocyanurate) and that, when reacted with an active hydrogen-containing compound, can give a reactant capable of exerting properties derived from the skeleton of the isocyanurate of EDI.
本発明は、EDIの多量体組成物であって、下記式(1)で表されるEDI三量体の含有量が、全物質量基準で50モル%以上である、多量体組成物を提供する。 The present invention provides an EDI multimer composition, in which the content of EDI trimer represented by the following formula (1) is 50 mol % or more based on the total amount of substances.
EDIの多量体、特にEDI三量体は、工業的に利用可能なレベルでの合成が不可能であったため、多量体組成物としてもEDI三量体純品としても産業界で活用されることはなかった。しかし、本発明により、EDI三量体の含有量が50モル%以上と十分に高い多量体組成物が初めて提供可能となった。 Since it has been impossible to synthesize EDI polymers, particularly EDI trimers, at an industrially usable level, they have never been used in industry, either as polymer compositions or as pure EDI trimers. However, the present invention has made it possible, for the first time, to provide polymer compositions with a sufficiently high EDI trimer content of 50 mol % or more.
本発明の一態様は、上記式(1)で表されるEDI三量体の含有量が90~100モル%の多量体組成物である。この多量体組成物はEDI三量体の純度が非常に高いため、EDI三量体として工業レベルで使用可能である。 One aspect of the present invention is a polymer composition having an EDI trimer content of 90 to 100 mol % represented by the above formula (1). This polymer composition has a very high purity of the EDI trimer, so it can be used as an EDI trimer at an industrial level.
本発明はまた、上記多量体組成物における、上記式(1)中のNCO基の少なくとも一つが、ブロック剤でブロックされた、ブロック化多量体組成物を提供する。ブロック剤としては、2-ブタノンオキシム、ε-カプロラクタム、イミダゾール、3,5-ジメチルピラゾール、1,2,4-トリアゾール、ジイソプロピルアミン及びマロン酸からなる群より選ばれる少なくとも1つの化合物が挙げられる。ブロック剤でイソシアネート基をマスクすることにより、イソシアネートの反応が抑制され貯蔵安定性が向上するのみならず、ブロック剤の種類により性状(融点等)を変化させることもできることから、反応対象物(反応の対象となる、活性水素含有化合物等の化合物をいう。)の性状や反応性に合わせた分子設計が可能になる。 The present invention also provides a blocked polymer composition in which at least one of the NCO groups in the above formula (1) in the above polymer composition is blocked with a blocking agent. Examples of the blocking agent include at least one compound selected from the group consisting of 2-butanone oxime, ε-caprolactam, imidazole, 3,5-dimethylpyrazole, 1,2,4-triazole, diisopropylamine, and malonic acid. Masking the isocyanate group with a blocking agent not only inhibits the reaction of the isocyanate and improves storage stability, but also allows the properties (melting point, etc.) to be changed depending on the type of blocking agent, making it possible to design the molecule according to the properties and reactivity of the reaction target (meaning a compound such as an active hydrogen-containing compound that is the target of the reaction).
本発明はまた、トリス(2-イソシアナトエチル)イソシアヌレートを提供する。当該化合物は合成が困難であったEDIの三量体であり、上記組成物における式(1)で表されるEDI三量体の含有量が100モル%の場合に相当する。当該化合物はポリウレタン、ポリチオウレタン、ポリ尿素等を得るための原料であるポリイソシアネートとして使用でき、特に、塗膜形成用ポリウレタンの原料として有用である。 The present invention also provides tris(2-isocyanatoethyl)isocyanurate. This compound is an EDI trimer, which has been difficult to synthesize, and corresponds to the case where the content of the EDI trimer represented by formula (1) in the above composition is 100 mol %. This compound can be used as a polyisocyanate, which is a raw material for obtaining polyurethane, polythiourethane, polyurea, etc., and is particularly useful as a raw material for polyurethane for forming coating films.
トリス(2-イソシアナトエチル)イソシアヌレートは、そのNCO基の少なくとも一つが、ブロック剤でブロックされた、ブロック化トリス(2-イソシアナトエチル)イソシアヌレートであってもよい。ブロック剤としては、2-ブタノンオキシム、ε-カプロラクタム、イミダゾール、3,5-ジメチルピラゾール、1,2,4-トリアゾール、ジイソプロピルアミン及びマロン酸からなる群より選ばれる少なくとも1つの化合物が挙げられる。ブロック剤でイソシアネート基をマスクすることにより、保存安定性が向上し、反応対象物の性状や反応性に合わせた分子設計が可能になる。 Tris(2-isocyanatoethyl)isocyanurate may be blocked tris(2-isocyanatoethyl)isocyanurate in which at least one of the NCO groups is blocked with a blocking agent. Examples of blocking agents include at least one compound selected from the group consisting of 2-butanone oxime, ε-caprolactam, imidazole, 3,5-dimethylpyrazole, 1,2,4-triazole, diisopropylamine, and malonic acid. Masking the isocyanate group with a blocking agent improves storage stability and enables molecular design tailored to the properties and reactivity of the reaction target.
本発明はまた、以下の第一~第三の態様で示される工程のいずれかを備える、上記式(1)で表されるEDI三量体の含有量が全物質量基準で50モル%以上である、多量体組成物の製造方法を提供する。これらの製造方法によれば、上記式(1)で表されるEDI三量体の含有量が十分に高い多量体組成物を得ることが可能である。 The present invention also provides a method for producing a polymer composition having a content of the EDI trimer represented by the above formula (1) of 50 mol% or more based on the total amount of substances, the method comprising any of the steps shown in the first to third aspects below. These production methods make it possible to obtain a polymer composition having a sufficiently high content of the EDI trimer represented by the above formula (1).
第一の態様は、下記式(10)で表されるアジドをクルチウス転位させる転位工程を備える製造方法である。
第二の態様は、下記式(11)で表されるカーバメートにトリフルオロメタンスルホン酸無水物及び2-ブロモピリジンを作用させる工程を備える製造方法である。
第三の態様は、下記式(12)で表されるアミンをホスゲン又はホスゲン等価体と反応させる工程を備える製造方法である。
上記多量体組成物の製造方法は、上記式(1)で表されるEDI三量体の含有量が90~100モル%とする方法であってもよい。また、上記方法は、EDI三量体の含有量が100モル%であるトリス(2-イソシアナトエチル)イソシアヌレートの製造方法にもなり得る。 The method for producing the above-mentioned polymer composition may be a method in which the content of the EDI trimer represented by the above formula (1) is 90 to 100 mol %. The above-mentioned method may also be a method for producing tris(2-isocyanatoethyl)isocyanurate in which the content of the EDI trimer is 100 mol %.
なお、上記製造方法が、クルチウス転位させる転位工程を含む場合、下記式(20)で表される化合物から、転位工程で用いられる上記式(10)で表されるアジドを誘導する工程を備えていてもよい。
本発明はまた、上記製造方法で得られるEDI三量体における、NCO基の少なくとも一つを、ブロック剤でブロック化する工程を備える、ブロック化多量体組成物の製造方法を提供する。ブロック剤としては、2-ブタノンオキシム、ε-カプロラクタム、イミダゾール、3,5-ジメチルピラゾール、1,2,4-トリアゾール、ジイソプロピルアミン及びマロン酸からなる群より選ばれる少なくとも1つの化合物が挙げられる。 The present invention also provides a method for producing a blocked polymer composition, comprising a step of blocking at least one NCO group in the EDI trimer obtained by the above production method with a blocking agent. The blocking agent may be at least one compound selected from the group consisting of 2-butanone oxime, ε-caprolactam, imidazole, 3,5-dimethylpyrazole, 1,2,4-triazole, diisopropylamine, and malonic acid.
上記ブロック化多量体組成物の製造方法は、上記式(1)で表されるEDI三量体の含有量が90~100モル%とする方法であってもよい。また、上記方法は、EDI三量体の含有量が100モル%であるブロック化トリス(2-イソシアナトエチル)イソシアヌレートの製造方法にもなり得る。 The method for producing the blocked polymer composition may be a method in which the content of the EDI trimer represented by the above formula (1) is 90 to 100 mol %. The above method may also be a method for producing blocked tris(2-isocyanatoethyl)isocyanurate in which the content of the EDI trimer is 100 mol %.
本発明はまた、上述した、多量体組成物、ブロック化多量体組成物、トリス(2-イソシアナトエチル)イソシアヌレート、又は、ブロック化トリス(2-イソシアナトエチル)イソシアヌレートと、活性水素含有化合物との反応物を提供する。得られる反応物は、EDIのイソシアヌレート体の骨格に由来する特性(高硬度、耐擦傷性、耐候性、耐熱性、耐汚染性等)を発揮するため、各種用途に適用可能である。 The present invention also provides a reaction product of the above-mentioned polymer composition, blocked polymer composition, tris(2-isocyanatoethyl)isocyanurate, or blocked tris(2-isocyanatoethyl)isocyanurate with an active hydrogen-containing compound. The resulting reaction product exhibits properties derived from the skeleton of the isocyanurate of EDI (high hardness, scratch resistance, weather resistance, heat resistance, contamination resistance, etc.), and is therefore applicable to a variety of applications.
活性水素含有化合物は、ポリオール、ポリチオール、ポリアミン、ポリカルボン酸及びポリリン酸からなる群より選ばれる少なくとも1つの化合物であってもよい。また、反応物は、活性水素含有化合物がポリオールであり、塗膜形成用であってもよい。すなわち、反応物は塗膜形成用ポリウレタンであってもよい。ポリオールを用いて得られる反応物は、乾燥性、塗膜硬度、下地への密着性、耐候性等に優れる。 The active hydrogen-containing compound may be at least one compound selected from the group consisting of polyol, polythiol, polyamine, polycarboxylic acid, and polyphosphoric acid. The active hydrogen-containing compound may be a polyol for forming a coating film. In other words, the reactant may be a polyurethane for forming a coating film. The reactant obtained by using a polyol has excellent drying properties, coating film hardness, adhesion to the substrate, weather resistance, etc.
本発明によれば、EDIの多量体組成物であって、三量体(イソシアヌレート体)の含有量が十分に高い多量体組成物が提供される。当該多量体組成物は、活性水素含有化合物等と反応させることで、EDIのイソシアヌレート体の骨格に由来する特性を発揮させることが可能な反応物を得ることができる。 According to the present invention, a polymer composition of EDI is provided that has a sufficiently high content of trimer (isocyanurate). By reacting the polymer composition with an active hydrogen-containing compound or the like, a reactant can be obtained that is capable of exerting properties derived from the skeleton of the isocyanurate of EDI.
EDIの多量体組成物は、式(1)で表されるEDI三量体(トリス(2-イソシアナトエチル)イソシアヌレート)を、多量体組成物の全物質量基準で50モル%以上含有する。 The EDI polymer composition contains 50 mol % or more of the EDI trimer (tris(2-isocyanatoethyl)isocyanurate) represented by formula (1) based on the total amount of substance of the polymer composition.
EDIの多量体組成物に含有され得るEDI三量体以外の多量体としては、一般式(2)で表される化合物が挙げられる。式中、nは2以上の整数であり、2~5が好ましく、2~3がより好ましい。 Examples of multimers other than EDI trimers that may be contained in the EDI multimer composition include compounds represented by general formula (2). In the formula, n is an integer of 2 or more, preferably 2 to 5, and more preferably 2 to 3.
EDIの多量体組成物に含有され得るEDI三量体以外の多量体としては、更に、以下の一般式(3)又は一般式(4)で表される化合物が挙げられる。式中、R1、R2及びR3は、それぞれ独立にイソシアネート基(NCO基)の前駆体となり得る基である。ここで、イソシアネート基の前駆体となり得る基としては、前駆体の前駆体等、複数世代前の前駆体も含む。イソシアネート基の前駆体となりうる基としては、-CON3基、-COOH基が例示できる。 Further examples of multimers other than EDI trimers that may be contained in the EDI multimer composition include compounds represented by the following general formula (3) or general formula (4). In the formula, R 1 , R 2 and R 3 are each independently a group that can be a precursor of an isocyanate group (NCO group). Here, the group that can be a precursor of an isocyanate group also includes precursors from several generations ago, such as a precursor of a precursor. Examples of groups that can be a precursor of an isocyanate group include a -CON 3 group and a -COOH group.
多量体組成物に含有される式(1)で表されるEDI三量体の含有量は、多量体組成物の全物質量基準で、50~100モル%であり得、更には60~100モル%、70~100モル%、80~100モル%、90~100モル%、94~100モル%であってもよく、96~100モル%であってもよく、98~100モル%であってもよい。多量体組成物中の式(1)で表されるEDI三量体の含有量が50モル%以上であると、式(1)で表されるEDI三量体の特性が充分に発揮できる多量体組成物となる。また、式(1)で表されるEDI三量体の特性が充分に発揮できるのであれば、他の多量体、もしくは単量体、あるいは他の成分を混合して多量体組成物としてもよい。 The content of the EDI trimer represented by formula (1) contained in the polymer composition may be 50 to 100 mol% based on the total amount of substance of the polymer composition, and may further be 60 to 100 mol%, 70 to 100 mol%, 80 to 100 mol%, 90 to 100 mol%, 94 to 100 mol%, 96 to 100 mol%, or 98 to 100 mol%. When the content of the EDI trimer represented by formula (1) in the polymer composition is 50 mol% or more, the polymer composition can fully exhibit the properties of the EDI trimer represented by formula (1). In addition, as long as the properties of the EDI trimer represented by formula (1) can be fully exhibited, other polymers, monomers, or other components may be mixed to form the polymer composition.
式(1)で表されるEDI三量体は、式(10)で表されるアジドをクルチウス転位させて得ることができる。また式(10)で表されるアジドは、その入手方法に限定はないが、例えば式(20)で表される化合物から誘導することができる。この反応スキームは以下の通りである。 The EDI trimer represented by formula (1) can be obtained by subjecting the azide represented by formula (10) to the Curtius rearrangement. The azide represented by formula (10) can be obtained by any method, but it can be derived from the compound represented by formula (20), for example. The reaction scheme is as follows:
(式中、Xは塩素原子、または-OP(=O)(OPh)2を表す。)
(In the formula, X represents a chlorine atom or -OP(=O)(OPh) 2 .)
上記反応スキームにおいて、式(10)で表されるアジドは、式(20)で表される化合物から、例えば、国際公開第2012/128325号に記載の方法を参考に合成できるカルボン酸塩化物(式(21))を原料として用いて、アジド化剤を反応させることで得ることができる。アジド化剤としては、アジ化ナトリウム、トリメチルシリルアジド、テトラブチルアンモニウムアジド、トリブチルスズアジド等を用いることが可能である。また、式(10)で表されるアジドは、式(20)で表される化合物とジフェニルリン酸アジド(DPPA)を反応させることで得ることもできる。 In the above reaction scheme, the azide represented by formula (10) can be obtained by reacting an azidation agent with a carboxylic acid chloride (formula (21)) that can be synthesized from a compound represented by formula (20) by referring to the method described in International Publication No. 2012/128325. As the azidation agent, sodium azide, trimethylsilyl azide, tetrabutylammonium azide, tributyltin azide, etc. can be used. The azide represented by formula (10) can also be obtained by reacting a compound represented by formula (20) with diphenylphosphoryl azide (DPPA).
反応溶媒としては、少なくとも反応を大きく阻害しない溶媒を用いることができる。具体的には、テトラヒドロフラン、ジエチルエーテル、1,4-ジオキサン、1,2-ジメトキシエタン等のエーテル系溶媒、ヘキサン、ペンタン、シクロヘキサン等の炭化水素系溶媒、ベンゼン、トルエン、キシレン等の芳香族炭化水素系溶媒、アセトニトリル、ジメチルスルホキシド、ジメチルホルムアミド、ジメチルアセトアミド、N-メチルピロリドン等を例示することができ、これらの溶媒の中から2種類以上を混合して用いてもよい。反応の温度は-78℃から40℃の範囲から適宜選ばれた温度で行うことが好ましく、中でも収率が良い点で0℃~室温の範囲であることが好ましい。反応時間は1時間から30時間の範囲で行うことが好ましく、中でも収率が良い点で5時間から20時間の範囲であることが好ましい。 As the reaction solvent, a solvent that does not significantly inhibit the reaction can be used. Specific examples include ether solvents such as tetrahydrofuran, diethyl ether, 1,4-dioxane, and 1,2-dimethoxyethane; hydrocarbon solvents such as hexane, pentane, and cyclohexane; aromatic hydrocarbon solvents such as benzene, toluene, and xylene; acetonitrile, dimethyl sulfoxide, dimethylformamide, dimethylacetamide, and N-methylpyrrolidone. Two or more of these solvents may be mixed and used. The reaction temperature is preferably selected from the range of -78°C to 40°C, and is preferably in the range of 0°C to room temperature in terms of good yield. The reaction time is preferably in the range of 1 hour to 30 hours, and is preferably in the range of 5 hours to 20 hours in terms of good yield.
式(10)で表されるアジドを誘導する反応の後、得られた反応生成物を精製してもよい。精製は水洗操作やフラッシュシリカゲルカラムクロマトグラフィーにより行うことができ、フラッシュシリカゲルカラムクロマトグラフィーを行う場合の展開溶媒としては酢酸エチル、ヘキサン、トルエン、クロロホルム等を用いることができる。 After the reaction to derive the azide represented by formula (10), the resulting reaction product may be purified. Purification can be performed by a water washing operation or flash silica gel column chromatography. When performing flash silica gel column chromatography, ethyl acetate, hexane, toluene, chloroform, etc. can be used as the developing solvent.
式(1)で表されるEDI三量体は、式(10)で表されるアジドを0℃から200℃の範囲から適宜選ばれた温度で反応させることで得ることができる。反応は無溶媒でも良く、反応を大きく阻害しない溶媒であれば溶媒中で行なってもよい。具体的には、テトラヒドロフラン、ジエチルエーテル、1,4-ジオキサン、1,2-ジメトキシエタン等のエーテル系溶媒、ヘキサン、ペンタン、シクロヘキサン等の炭化水素系溶媒、ベンゼン、トルエン、キシレン等の芳香族炭化水素系溶媒、ジクロロメタン、クロロホルム、四塩化炭素、1,2-ジクロロエタン等のハロゲン化炭化水素系溶媒、アセトニトリル、ジメチルスルホキシド、ジメチルホルムアミド、ジメチルアセトアミド、N-メチルピロリドン等を例示することができ、これらの溶媒の中から2種類以上を混合して用いてもよい。式(10)で表されるアジドの反応温度は、反応速度が速く、収率が良い点で、50℃から200℃の範囲であることが好ましく、中でもイソシアナト基含有量の低下を防ぐ点で50℃から80℃の範囲であることがより好ましい。式(10)で表されるアジドの反応時間は、1時間から10時間の範囲で行うことが好ましく、中でもイソシアナト基含有量の低下を防ぐ点で1時間から3時間の範囲であることがより好ましい。 The EDI trimer represented by formula (1) can be obtained by reacting the azide represented by formula (10) at a temperature appropriately selected from the range of 0°C to 200°C. The reaction may be performed without a solvent, or in a solvent that does not significantly inhibit the reaction. Specifically, examples of the solvent include ether solvents such as tetrahydrofuran, diethyl ether, 1,4-dioxane, and 1,2-dimethoxyethane; hydrocarbon solvents such as hexane, pentane, and cyclohexane; aromatic hydrocarbon solvents such as benzene, toluene, and xylene; halogenated hydrocarbon solvents such as dichloromethane, chloroform, carbon tetrachloride, and 1,2-dichloroethane; acetonitrile, dimethyl sulfoxide, dimethylformamide, dimethylacetamide, and N-methylpyrrolidone; and two or more of these solvents may be mixed and used. The reaction temperature of the azide represented by formula (10) is preferably in the range of 50°C to 200°C in terms of a high reaction rate and a good yield, and more preferably in the range of 50°C to 80°C in terms of preventing a decrease in the isocyanato group content. The reaction time of the azide represented by formula (10) is preferably in the range of 1 hour to 10 hours, and more preferably in the range of 1 hour to 3 hours in order to prevent a decrease in the isocyanato group content.
また、式(1)で表されるEDI三量体は、式(22)で表されるシアヌル酸から、式(11)で表されるカーバメートに誘導した後、トリフルオロメタンスルホン酸無水物及び2-ブロモピリジンを作用させることで得ることもできる。この反応スキームは以下の通りである。 The EDI trimer represented by formula (1) can also be obtained by converting cyanuric acid represented by formula (22) into a carbamate represented by formula (11), and then reacting it with trifluoromethanesulfonic anhydride and 2-bromopyridine. The reaction scheme is as follows:
上記反応スキームにおいて、式(11)で表されるカーバメートは、式(22)で表されるシアヌル酸と、市販されている2-(tert-ブトキシカルボニルアミノ)エチルブロミドと、を塩基の存在下で反応させることで合成できる。塩基としては、トリエチルアミン、ジイソプロピルエチルアミン、ジアザビシクロウンデセン(DBU)、N-メチルモルホリン等の第三級脂肪族アミン類、ピリジン、ピコリン、4-ジメチルアミノピリジン等の芳香族アミン類、炭酸ナトリウム、炭酸カリウム、炭酸セシウム、炭酸水素ナトリウム等のアルカリ金属炭酸塩を例示することができる。中でも収率が良い点で、ジアザビシクロウンデセン(DBU)を用いることが好ましい。 In the above reaction scheme, the carbamate represented by formula (11) can be synthesized by reacting the cyanuric acid represented by formula (22) with commercially available 2-(tert-butoxycarbonylamino)ethyl bromide in the presence of a base. Examples of the base include tertiary aliphatic amines such as triethylamine, diisopropylethylamine, diazabicycloundecene (DBU), and N-methylmorpholine; aromatic amines such as pyridine, picoline, and 4-dimethylaminopyridine; and alkali metal carbonates such as sodium carbonate, potassium carbonate, cesium carbonate, and sodium hydrogen carbonate. Among these, diazabicycloundecene (DBU) is preferably used because of its good yield.
反応は無溶媒でも良く、反応を大きく阻害しない溶媒であれば溶媒中で行なってもよい。反応溶媒としては、反応を大きく阻害しない溶媒が好ましい。具体的には、テトラヒドロフラン、ジエチルエーテル、1,4-ジオキサン、1,2-ジメトキシエタン等のエーテル系溶媒、ヘキサン、ペンタン、シクロヘキサン等の炭化水素系溶媒、ベンゼン、トルエン、キシレン等の芳香族炭化水素系溶媒、アセトニトリル、ジメチルスルホキシド、ジメチルホルムアミド、ジメチルアセトアミド、N-メチルピロリドン等を例示することができ、これらの溶媒の中から2種類以上を混合して用いてもよい。中でも収率が良い点で、アセトニトリル、ジメチルスルホキシド、ジメチルホルムアミドを用いることが好ましい。反応の温度は-78℃から200℃の範囲であることが好ましく、中でも収率が良い点で30℃~150℃の範囲であることが好ましい。 The reaction may be carried out without a solvent, or in a solvent that does not significantly inhibit the reaction. As the reaction solvent, a solvent that does not significantly inhibit the reaction is preferable. Specifically, examples of the solvent include ether solvents such as tetrahydrofuran, diethyl ether, 1,4-dioxane, and 1,2-dimethoxyethane; hydrocarbon solvents such as hexane, pentane, and cyclohexane; aromatic hydrocarbon solvents such as benzene, toluene, and xylene; acetonitrile, dimethyl sulfoxide, dimethylformamide, dimethylacetamide, and N-methylpyrrolidone; and two or more of these solvents may be mixed and used. Among these, acetonitrile, dimethyl sulfoxide, and dimethylformamide are preferable in terms of good yield. The reaction temperature is preferably in the range of -78°C to 200°C, and is preferably in the range of 30°C to 150°C in terms of good yield.
式(1)で表されるEDI三量体は、式(11)で表されるカーバメートにトリフルオロメタンスルホン酸無水物および2-ブロモピリジンを作用させることで得ることができる。反応溶媒としては、反応を大きく阻害しない溶媒が好ましい。具体的には、テトラヒドロフラン、ジエチルエーテル、1,4-ジオキサン、1,2-ジメトキシエタン等のエーテル系溶媒、ヘキサン、ペンタン、シクロヘキサン等の炭化水素系溶媒、ベンゼン、トルエン、キシレン等の芳香族炭化水素系溶媒、ジクロロメタン、クロロホルム、四塩化炭素、1,2-ジクロロエタン等のハロゲン化炭化水素系溶媒、アセトニトリル、ジメチルスルホキシド、ジメチルホルムアミド、ジメチルアセトアミド、N-メチルピロリドン等を例示することができ、これらの溶媒の中から2種類以上を混合して用いてもよい。中でも収率が良い点で、ジクロロメタンを用いることが好ましい。反応の温度は-78℃から200℃の範囲であることが好ましく、中でも収率が良い点で0℃~50℃の範囲であることが好ましい。 The EDI trimer represented by formula (1) can be obtained by reacting trifluoromethanesulfonic anhydride and 2-bromopyridine with the carbamate represented by formula (11). As the reaction solvent, a solvent that does not significantly inhibit the reaction is preferable. Specifically, ether solvents such as tetrahydrofuran, diethyl ether, 1,4-dioxane, 1,2-dimethoxyethane, etc., hydrocarbon solvents such as hexane, pentane, cyclohexane, etc., aromatic hydrocarbon solvents such as benzene, toluene, xylene, etc., halogenated hydrocarbon solvents such as dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, etc., acetonitrile, dimethyl sulfoxide, dimethylformamide, dimethylacetamide, N-methylpyrrolidone, etc. can be exemplified, and two or more of these solvents may be mixed and used. Among them, dichloromethane is preferable in terms of good yield. The reaction temperature is preferably in the range of -78°C to 200°C, and in particular, it is preferable to use a range of 0°C to 50°C in terms of good yield.
また、式(1)で表されるEDI三量体は、式(12)で表されるアミンに、ホスゲン又はホスゲン等価体を作用させることで得ることもできる。この反応スキームは以下の通りである。 The EDI trimer represented by formula (1) can also be obtained by reacting the amine represented by formula (12) with phosgene or a phosgene equivalent. The reaction scheme is as follows:
上記反応スキームにおいて、式(12)で表されるアミンは、例えば、Chemical Communication,46,6741-6743(2010)に記載の方法を参考に調製することができる。また、式(22)で表されるシアヌル酸と、市販されている2-(ベンジルオキシカルボニルアミノ)エチルブロミドと、を塩基の存在下で反応させた後、水素添加等でベンジルオキシカルボニル基の脱保護を行うことにより合成できる。式(12)で表されるアミンは、酢酸塩、トリフルオロ酢酸塩、塩酸塩等化学的に許容される塩を含むものとする。ホスゲン等価体としては、ジホスゲン、トリホスゲン等を例示することができる。 In the above reaction scheme, the amine represented by formula (12) can be prepared by referring to the method described in, for example, Chemical Communication, 46, 6741-6743 (2010). Alternatively, the amine can be synthesized by reacting cyanuric acid represented by formula (22) with commercially available 2-(benzyloxycarbonylamino)ethyl bromide in the presence of a base, and then deprotecting the benzyloxycarbonyl group by hydrogenation or the like. The amine represented by formula (12) includes chemically acceptable salts such as acetate, trifluoroacetate, and hydrochloride. Examples of the phosgene equivalent include diphosgene and triphosgene.
反応は塩基存在下で行うことができ、塩基としては、トリエチルアミン、ジイソプロピルエチルアミン、ジアザビシクロウンデセン(DBU)、N-メチルモルホリン等の第三級脂肪族アミン類、ピリジン、ピコリン、4-ジメチルアミノピリジン等の芳香族アミン類、炭酸ナトリウム、炭酸カリウム、炭酸セシウム、炭酸水素ナトリウム等のアルカリ金属炭酸塩を例示することができる。中でも収率が良い点で、トリエチルアミンを用いることが好ましい。 The reaction can be carried out in the presence of a base, and examples of the base include tertiary aliphatic amines such as triethylamine, diisopropylethylamine, diazabicycloundecene (DBU), and N-methylmorpholine; aromatic amines such as pyridine, picoline, and 4-dimethylaminopyridine; and alkali metal carbonates such as sodium carbonate, potassium carbonate, cesium carbonate, and sodium hydrogen carbonate. Among these, triethylamine is preferred because it gives a good yield.
反応は無溶媒でも良く、反応を阻害しない溶媒であれば溶媒中で行なってもよい。反応溶媒としては、反応を大きく阻害しない溶媒が好ましい。具体的には、テトラヒドロフラン、ジエチルエーテル、1,4-ジオキサン、1,2-ジメトキシエタン等のエーテル系溶媒、ヘキサン、ペンタン、シクロヘキサン等の炭化水素系溶媒、ベンゼン、トルエン、キシレン、クロロベンゼン、ジクロロベンゼン等の芳香族炭化水素系溶媒、ジクロロメタン、クロロホルム、四塩化炭素、1,2-ジクロロエタン等のハロゲン化炭化水素系溶媒等を例示することができ、これらの溶媒の中から2種類以上を混合して用いてもよい。中でも収率が良い点で、ジエチルエーテル又は塩化メチレンを用いることが好ましい。
反応の温度は-78℃から200℃の範囲であることが好ましく、中でも収率が良い点で-20℃~100℃の範囲であることが好ましい。
The reaction may be carried out without a solvent, or in a solvent that does not inhibit the reaction. As the reaction solvent, a solvent that does not significantly inhibit the reaction is preferred. Specific examples of the reaction solvent include ether solvents such as tetrahydrofuran, diethyl ether, 1,4-dioxane, and 1,2-dimethoxyethane; hydrocarbon solvents such as hexane, pentane, and cyclohexane; aromatic hydrocarbon solvents such as benzene, toluene, xylene, chlorobenzene, and dichlorobenzene; and halogenated hydrocarbon solvents such as dichloromethane, chloroform, carbon tetrachloride, and 1,2-dichloroethane. Two or more of these solvents may be mixed and used. Among them, diethyl ether or methylene chloride is preferably used in terms of good yield.
The reaction temperature is preferably in the range of -78°C to 200°C, and more preferably in the range of -20°C to 100°C in terms of good yield.
上記反応スキームで得ることのできる、式(1)で表されるEDI三量体は、1H-NMR、13C-NMR、マススペクトル(MS)、赤外線分光法(IR)、液体クロマトグラフ、ゲル浸透クロマトグラフ等により確認可能である。 The EDI trimer represented by formula (1) which can be obtained by the above reaction scheme can be confirmed by 1 H-NMR, 13 C-NMR, mass spectrometry (MS), infrared spectrometry (IR), liquid chromatography, gel permeation chromatography, or the like.
式(1)で表されるEDI三量体の含有量をさらに高めるために、式(1)で表されるEDI三量体を得た後に、精製工程を設けてもよい。精製方法としては、ヘキサン等の溶媒を用いた再結晶で行うことができる。 In order to further increase the content of the EDI trimer represented by formula (1), a purification step may be carried out after obtaining the EDI trimer represented by formula (1). The purification method can be recrystallization using a solvent such as hexane.
精製工程後の多量体組成物中の式(1)で表されるEDI三量体の含有量は、多量体組成物の全物質量を基準として、94~100モル%が好ましく、98~100モル%がより好ましく、更には99~100モル%が特に好ましい。 The content of the EDI trimer represented by formula (1) in the polymer composition after the purification step is preferably 94 to 100 mol %, more preferably 98 to 100 mol %, and even more preferably 99 to 100 mol %, based on the total amount of substance in the polymer composition.
多量体組成物、又は式(1)で表されるEDI三量体の含有量が100モル%であるトリス(2-イソシアナトエチル)イソシアヌレートは、熱により脱離してイソシアネート基を生じるブロック剤でブロック化してもよい。ここで、ブロック化の程度は、式(1)で表されるEDI三量体のイソシアネート基の少なくとも一つがブロックされていればよいが、イソシアネート基の少なくとも二つがブロックされていることが好ましく、イソシアネート基の全てがブロックされていることがより好ましい。なお、ブロック剤と式(1)で表されるEDI三量体との反応温度は、例えば40~140℃とすることができ、70~100℃であってもよい。 The polymer composition or tris(2-isocyanatoethyl)isocyanurate having 100 mol % of EDI trimer represented by formula (1) may be blocked with a blocking agent that is eliminated by heat to generate an isocyanate group. The degree of blocking may be such that at least one of the isocyanate groups of the EDI trimer represented by formula (1) is blocked, but it is preferable that at least two of the isocyanate groups are blocked, and it is more preferable that all of the isocyanate groups are blocked. The reaction temperature between the blocking agent and the EDI trimer represented by formula (1) may be, for example, 40 to 140°C, or may be 70 to 100°C.
ブロック剤としては、ホルムアルドオキシム、アセトアルドオキシム、アセトオキシム、2-ブタノンオキシム、シクロヘキサノンオキシム、アセトンオキシム、ジアセチルモノオキシム、ペンゾフェノオキシム、2,2,6,6-テトラメチルシクロヘキサノンオキシム、ジイソプロピルケトンオキシム、メチルt-ブチルケトンオキシム、ジイソブチルケトンオキシム、メチルイソブチルケトンオキシム、メチルイソプロピルケトンオキシム、メチル2,4-ジメチルペンチルケトンオキシム、メチル3-エチルへプチルケトンオキシム、メチルイソアミルケトンオキシム、n-アミルケトンオキシム、2,2,4,4-テトラメチル-1,3-シクロブタンジオンモノオキシム、4,4’-ジメトキシベンゾフェノンオキシム、2-ヘプタノンオキシム等のオキシム化合物、ピラゾール、3-メチルピラゾール、3,5-ジメチルピラゾール、4-ベンジル-3,5-ジメチルピラゾール、4-ニトロ-3,5-ジメチルピラゾール、4-ブロモ-3,5-ジメチルピラゾール、3-メチル-5-フェニルピラゾール等のピラゾール化合物、イミダゾール、2-メチルイミダゾール、ベンズイミダゾール、4-メチルイミダゾール、2-エチルイミダゾール、2-イソプロピルイミダゾール、2,4-ジメチルイミダゾール、2-エチル-4-メチルイミダゾール、2-フェニルイミダゾール、4-メチル-2-フェニルイミダゾール等のイミダゾール化合物、2-メチルイミダゾリン、2-フェニルイミダゾリン等のイミダゾリン化合物、1,2,4-トリアゾール、4-アミノ-1,2,4-トリアゾール、ベンゾトリアゾール等のトリアゾール化合物、ε-カプロラクタム、δ-バレロラクタム、γ-ブチロラクタム、β-プロピオラクタム、ピロリドン、2,5-ピペラジンジオン、ラウロラクタム等のラクタム化合物、ブチルメルカプタン、ドデシルメルカプタン、ヘキシルメルカプタン、チオフェノール、メチルチオフェノール、エチルチオフェノール、ピリジン-2-チオール等のメルカプタン化合物、メタノール、エタノール、2-プロパノール、ブタノール、s-ブチルアルコール、2-エチルヘキシルアルコール、1-または2-オクタノール、シクロへキシルアルコール、エチレングリコール、ベンジルアルコール、2,2,2-トリフルオロエタノール、2,2,2-トリクロロエタノール、2-(ヒドロキシメチル)フラン、2-メトキシエタノール、メトキシプロパノール、2-エトキシエタノール、プロポキシエタノール、2-ブトキシエタノール、2-エトキシエトキシエタノール、2-エトキシブトキシエタノール、ブトキシエトキシエタノール、2-エチルヘキシルオキシエタノール、2-ブトキシエチルエタノール、2-ブトキシエトキシエタノール、N,N-ジブチル-2-ヒドロキシアセトアミド、N-ヒドロキシスクシンイミド、N-モルホリンエタノール、2,2-ジメチル-1,3-ジオキソラン-4-メタノール、3-オキサゾリジンエタノール、2-ヒドロキシメチルピリジン、フルフリルアルコール、12-ヒドロキシステアリン酸、トリフェニルシラノール、メタクリル酸2-ヒドロキシエチル等のアルコール化合物、フェノール、クレゾール、エチルフェノール、プロピルフェノール、イソプロピルフェノール、ブチルフェノール、s-ブチルフェノール、t-ブチルフェノール、ヘキシルフェノール、2-エチルヘキシルフェノール、オクチルフェノール、ノニルフェノール、ジプロピルフェノール、ジイソプロピルフェノール、イソプロピルクレゾール、ジ-n-ブチルフェノール、ジ-s-ブチルフェノール、ジ-t-ブチルフェノール、ジオクチルフェノール、ジ-2-エチルヘキシルフェノール、ジノニルフェノール、ニトロフェノール、ブロモフェノール、クロロフェノール、フルオロフェノール、ジメチルフェノール、スチレン化フェノール、メチルサリチラート、4-ヒドロキシ安息香酸メチル、4-ヒドロキシ安息香酸ベンジル、ヒドロキシ安息香酸2-エチルヘキシル、4-[(ジメチルアミノ)メチル]フェノール、4-[(ジメチルアミノ)メチル]ノニルフェノール、ビス(4-ヒドロキシフェニル)酢酸、ピリジノール、2-または8-ヒドロキシキノリン、2-クロロ-3-ピリジノール等のフェノール化合物、ジブチルアミン、ジフェニルアミン、アニリン、N-メチルアニリン、カルバゾール、ビス(2,2,6,6-テトラメチルピペリジニル)アミン、ジプロピルアミン、ジイソプロピルアミン、イソプロピルエチルアミン、2,2,4-、または、2,2,5-トリメチルヘキサメチレンアミン、N-イソプロピルシクロヘキシルアミン、ジシクロヘキシルアミン、ビス(3,5,5-トリメチルシクロヘキシル)アミン、ピペリジン、2,6-ジメチルピペリジン、2,2,6,6-テトラメチルピペリジン、(ジメチルアミノ)-2,2,6,6-テトラメチルピペリジン、2,2,6,6-テトラメチル-4-ピペリジン、6-メチル-2-ピペリジン、6-アミノカプロン酸等のアミン化合物、エチレンイミン、ポリエチレンイミン、1,4,5,6-テトラヒドロピリミジン、グアニジン等のイミン化合物、N-フェニルカルバミン酸フェニル等のカルバミン酸化合物、尿素、チオ尿素、エチレン尿素等のウレア化合物、メルドラム酸、マロン酸ジアルキル(例えば、マロン酸ジメチル、マロン酸ジエチル、マロン酸ジn-ブチル、マロン酸ジ-t-ブチル、マロン酸ジ2-エチルヘキシル、マロン酸メチルn-ブチル、マロン酸エチルn-ブチル、マロン酸メチルs-ブチル、マロン酸エチルs-ブチル、マロン酸メチルt-ブチル、マロン酸エチルt-ブチル、メチルマロン酸ジエチル、マロン酸ジベンジル、マロン酸ジフェニル、マロン酸ベンジルメチル、マロン酸エチルフェニル、マロン酸t-ブチルフェニル、イソプロピリデンマロネートなど)、アセト酢酸アルキル(例えば、アセト酢酸メチル、アセト酢酸エチル、アセト酢酸n-プロピル、アセト酢酸イソプロピル、アセト酢酸n-ブチル、アセト酢酸t-ブチル、アセト酢酸ベンジル、アセト酢酸フェニルなど)、2-アセトアセトキシエチルメタクリレート、アセチルアセトン、シアノ酢酸エチル等の活性メチレン化合物、酢酸アミド、ベンズアミド、アセトアニリド、N-メチルアセトアミド、酢酸アミド等の酸アミド化合物、コハク酸イミド及びマレイン酸イミド等のイミド化合物、および、重亜硫酸ソーダ等の重亜硫酸塩が挙げられる。これらの中でも、2-ブタノンオキシム、ε-カプロラクタム、イミダゾール、3,5-ジメチルピラゾール、1,2,4-トリアゾール、ジイソプロピルアミン及びマロン酸からなる群より選ばれる少なくとも1つの化合物であることが好ましい。 Blocking agents include formaldoxime, acetaldoxime, acetoxime, 2-butanone oxime, cyclohexanone oxime, acetone oxime, diacetyl monooxime, benzophenone oxime, 2,2,6,6-tetramethylcyclohexanone oxime, diisopropyl ketone oxime, methyl t-butyl ketone oxime, diisobutyl ketone oxime, methyl isobutyl ketone oxime, methyl isopropyl ketone oxime, methyl 2,4-dimethylpentyl ketone oxime, methyl 3-ethylheptyl ketone oxime, methyl isoamyl ketone oxime, n-amyl ketone oxime, 2,2,4,4-tetramethyl-1,3-cyclobutanedione monooxime, 4,4'-dimethoxybenzophenone oxime, 2-heptanone oxime, oxime compounds such as pyrazole, 3-methylpyrazole, 3,5-dimethylpyrazole, 4-benzyl-3,5-dimethylpyrazole, 4-nitro-3,5-dimethylpyrazole, 4-bromo-3,5-dimethylpyrazole, 3-methyl-5-phenylpyrazole and other pyrazole compounds; imidazole compounds such as imidazole, 2-methylimidazole, benzimidazole, 4-methylimidazole, 2-ethylimidazole, 2-isopropylimidazole, 2,4-dimethylimidazole, 2-ethyl-4-methylimidazole, 2-phenylimidazole, 4-methyl-2-phenylimidazole and other imidazoline compounds such as 2-methylimidazoline and 2-phenylimidazoline; 1,2,4-triazole, 4-amino-1,2,4-triazole, triazole compounds such as benzotriazole, ε-caprolactam, δ-valerolactam, γ-butyrolactam, β-propiolactam, pyrrolidone, 2,5-piperazinedione, laurolactam, and other lactam compounds, butyl mercaptan, dodecyl mercaptan, hexyl mercaptan, thiophenol, methyl thiophenol, ethyl thiophenol, pyridine-2-thiol, and other mercaptan compounds, methanol, ethanol, 2-propanol, butanol, s-butyl alcohol, 2-ethylhexyl alcohol, 1- or 2-octanol, cyclohexyl alcohol, ethylene glycol, benzyl alcohol, 2,2,2-trifluoroethanol, 2,2,2-trichloroethanol, 2-(hydroxymethyl)furan, 2- Alcohol compounds such as methoxyethanol, methoxypropanol, 2-ethoxyethanol, propoxyethanol, 2-butoxyethanol, 2-ethoxyethoxyethanol, 2-ethoxybutoxyethanol, butoxyethoxyethanol, 2-ethylhexyloxyethanol, 2-butoxyethylethanol, 2-butoxyethoxyethanol, N,N-dibutyl-2-hydroxyacetamide, N-hydroxysuccinimide, N-morpholineethanol, 2,2-dimethyl-1,3-dioxolane-4-methanol, 3-oxazolidineethanol, 2-hydroxymethylpyridine, furfuryl alcohol, 12-hydroxystearic acid, triphenylsilanol, and 2-hydroxyethyl methacrylate, phenol, cresol, ethyl Phenol, propylphenol, isopropylphenol, butylphenol, s-butylphenol, t-butylphenol, hexylphenol, 2-ethylhexylphenol, octylphenol, nonylphenol, dipropylphenol, diisopropylphenol, isopropylcresol, di-n-butylphenol, di-s-butylphenol, di-t-butylphenol, dioctylphenol, di-2-ethylhexylphenol, dinonylphenol, nitrophenol, bromophenol, chlorophenol, fluorophenol, dimethylphenol, styrenated phenol, methyl salicylate, methyl 4-hydroxybenzoate, benzyl 4-hydroxybenzoate, 2-ethylhexyl hydroxybenzoate, 4-[(di phenolic compounds such as bis(4-hydroxyphenyl)acetic acid, pyridinol, 2- or 8-hydroxyquinoline, and 2-chloro-3-pyridinol, dibutylamine, diphenylamine, aniline, N-methylaniline, carbazole, bis(2,2,6,6-tetramethylpiperidinyl)amine, dipropylamine, diisopropylamine, isopropylethylamine, 2,2,4- or 2,2,5-trimethylhexamethyleneamine, N-isopropylcyclohexylamine, dicyclohexylamine, bis(3,5,5-trimethylcyclohexyl)amine, piperidine, 2,6-dimethylpiperidine, 2,2,6,6-tetramethylpiperidine, dimethylamino)-2,2,6,6-tetramethylpiperidine, 2,2,6,6-tetramethyl-4-piperidine, 6-methyl-2-piperidine, 6-aminocaproic acid and other amine compounds, ethyleneimine, polyethyleneimine, 1,4,5,6-tetrahydropyrimidine, guanidine and other imine compounds, N-phenylcarbamic acid phenyl and other carbamic acid compounds, urea compounds such as urea, thiourea, ethyleneurea and other urea compounds, Meldrum's acid, dialkyl malonate (for example, dimethyl malonate, diethyl malonate, di-n-butyl malonate, di-t-butyl malonate, di-2-ethylhexyl malonate, methyl n-butyl malonate, ethyl n-butyl malonate, methyl s-butyl malonate, ethyl s-butyl malonate, methyl t-butyl malonate, ethyl t-butyl malonate, Examples of the active methylene compounds include ethyl, diethyl methylmalonate, dibenzyl malonate, diphenyl malonate, benzyl methyl malonate, ethyl phenyl malonate, t-butylphenyl malonate, isopropylidene malonate, etc.), alkyl acetoacetates (e.g., methyl acetoacetate, ethyl acetoacetate, n-propyl acetoacetate, isopropyl acetoacetate, n-butyl acetoacetate, t-butyl acetoacetate, benzyl acetoacetate, phenyl acetoacetate, etc.), 2-acetoacetoxyethyl methacrylate, acetylacetone, and ethyl cyanoacetate, and other active methylene compounds; acetic acid amides, benzamides, acetanilides, N-methylacetamides, and other acid amides; imide compounds such as succinimide and maleimide; and bisulfites such as sodium bisulfite. Among these, at least one compound selected from the group consisting of 2-butanone oxime, ε-caprolactam, imidazole, 3,5-dimethylpyrazole, 1,2,4-triazole, diisopropylamine, and malonic acid is preferred.
式(1)で表されるEDI三量体は種々のポリマー材料の原料として有用である。例えば、式(1)で表されるEDI三量体を活性水素含有化合物と反応させることにより様々な反応物を得ることができる。式(1)で表されるEDI三量体を原料として得られる反応物は、イソシアヌレート構造を有するため難燃性や耐熱性を発揮する。また高硬度、耐擦傷性、耐候性、耐汚染性等の特性も優れる。 The EDI trimer represented by formula (1) is useful as a raw material for various polymer materials. For example, various reaction products can be obtained by reacting the EDI trimer represented by formula (1) with an active hydrogen-containing compound. The reaction products obtained by using the EDI trimer represented by formula (1) as a raw material have an isocyanurate structure and therefore exhibit flame retardancy and heat resistance. They also have excellent properties such as high hardness, scratch resistance, weather resistance, and contamination resistance.
上記活性水素含有化合物には、分子中にヒドロキシル基、カルボキシル基、アミノ基、及びチオール基等の活性水素含有基を有する化合物が含まれる。活性水素含有化合物としては、ポリオール、ポリチオール、ポリアミン、ポリカルボン酸及びポリリン酸等が挙げられる。これらの中でもポリオールが好ましい。 The active hydrogen-containing compounds include compounds having active hydrogen-containing groups in the molecule, such as hydroxyl groups, carboxyl groups, amino groups, and thiol groups. Examples of active hydrogen-containing compounds include polyols, polythiols, polyamines, polycarboxylic acids, and polyphosphoric acids. Among these, polyols are preferred.
ポリオールとしては、エチレングリコール、1,2-プロパンジオール、1,3-プロパンジオール、1,2-ブタンジオール、1,3-ブタンジオール、1,4-ブタンジオール、1,5-ペンタンジオール、1,6-ヘキサンジオール、1,8-オクタンジオール、1,9-ノナンジオール、3-メチル-1,5-ペンタンジオール、2-エチル-1,3-ヘキサンジオール、3,3-ジメチロールヘプタン、ジエチレングリコール、ジプロピレングリコール、ネオペンチルグリコール、シクロヘキサン-1,4-ジオール、シクロヘキサン-1,4-ジメタノール、ダイマー酸ジオール、ビスフェノールAのエチレンオキサイドやプロピレンオキサイド付加物、ビス(β-ヒドロキシエチル)ベンゼン、キシリレングリコール、グリセリン、トリメチロールプロパン、ペンタエリスリトールや、ポリエステルポリオール、ポリエーテルポリオール、ポリオレフィン系ポリオール、ポリカーボネートポリオール、アクリルポリオール、シリコーンポリオール、ヒマシ油系ポリオール、及びフッ素系ポリオール等が挙げられる。これらのポリオールを単独で又は二種以上を組み合わせて適宜使用することができる。 Polyols include ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,2-butanediol, 1,3-butanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,8-octanediol, 1,9-nonanediol, 3-methyl-1,5-pentanediol, 2-ethyl-1,3-hexanediol, 3,3-dimethylolheptane, diethylene glycol, dipropylene glycol, neopentyl glycol, cyclohexane-1, Examples of the polyols include 4-diol, cyclohexane-1,4-dimethanol, diol dimer acid, ethylene oxide or propylene oxide adducts of bisphenol A, bis(β-hydroxyethyl)benzene, xylylene glycol, glycerin, trimethylolpropane, pentaerythritol, polyester polyols, polyether polyols, polyolefin polyols, polycarbonate polyols, acrylic polyols, silicone polyols, castor oil polyols, and fluorine-based polyols. These polyols can be used alone or in combination of two or more types as appropriate.
ポリチオールとしては、1,2-エタンジチオール、1,2-プロパンジチオール、1,3-プロパンジチオール、1,2-ブタンジチオール、1,3-ブタンジチオール、1,4-ブタンジチオール、1,5-ペンタンジチオール、1,6-ヘキサンジチオール、1,8-オクタンジチオール、1,9-ノナンジチオールル、3-メチル-1,5-ペンタンジチオール、及び2-エチル-1,3-ヘキサンジチオール等が挙げられる。これらのポリチオールを単独で又は二種以上を組み合わせて適宜使用することができる。 Examples of polythiols include 1,2-ethanedithiol, 1,2-propanedithiol, 1,3-propanedithiol, 1,2-butanedithiol, 1,3-butanedithiol, 1,4-butanedithiol, 1,5-pentanedithiol, 1,6-hexanedithiol, 1,8-octanedithiol, 1,9-nonanedithiol, 3-methyl-1,5-pentanedithiol, and 2-ethyl-1,3-hexanedithiol. These polythiols can be used alone or in combination of two or more types as appropriate.
式(1)で表されるEDI三量体とポリオールとのウレタン化反応の反応温度は、例えば、20~120℃であり、好ましくは50~100℃である。なお、ウレタン化反応の際、ジブチル錫ジアセテート、ジブチル錫ジラウレート、ジオクチル錫ジラウレート等の有機金属化合物や、トリエチレンジアミンやトリエチルアミン等の有機アミンやその塩等のウレタン化触媒を用いることができる。これらの触媒は、単独で、又は二種以上併用して使用可能である。ウレタン化反応の反応時間は、触媒の有無、種類、及び温度により異なるが、一般には1~10時間である。 The reaction temperature of the urethanization reaction between the EDI trimer represented by formula (1) and polyol is, for example, 20 to 120°C, and preferably 50 to 100°C. In the urethanization reaction, a urethanization catalyst such as an organometallic compound such as dibutyltin diacetate, dibutyltin dilaurate, or dioctyltin dilaurate, or an organic amine such as triethylenediamine or triethylamine or a salt thereof can be used. These catalysts can be used alone or in combination of two or more kinds. The reaction time of the urethanization reaction varies depending on the presence or absence of a catalyst, the type of catalyst, and the temperature, but is generally 1 to 10 hours.
以下、実施例により本発明をさらに具体的に説明するが、本発明は以下の実施例に限定されるものではない。 The present invention will be explained in more detail below with reference to examples, but the present invention is not limited to the following examples.
(測定方法)
核磁気共鳴(NMR)スペクトルは400MHz AVANCE III400(Bruker社製)および400MHz AVANCE IIIHD(Bruker社製)で測定した。化学シフト値はテトラメチルシランを内部標準物質に用いた。多量体組成物中の三量体の含有量は1H-NMR測定によって、ヌレート環に隣接したメチレン基の水素(4.23-4.43ppm)の積分比と、イソシアネート基に隣接したメチレン基の水素(3.70-3.60ppm)の積分比との差から算出した。
融点はMP70(METTLER TOLEDO社製)を用いて、1℃/minで温度上昇させ測定した。
(Measuring method)
Nuclear magnetic resonance (NMR) spectra were measured with a 400 MHz AVANCE III400 (manufactured by Bruker) and a 400 MHz AVANCE IIIHD (manufactured by Bruker). Chemical shift values were measured using tetramethylsilane as an internal standard. The content of trimer in the polymer composition was calculated by 1 H-NMR measurement from the difference between the integral ratio of the hydrogen of the methylene group adjacent to the nurate ring (4.23-4.43 ppm) and the integral ratio of the hydrogen of the methylene group adjacent to the isocyanate group (3.70-3.60 ppm).
The melting point was measured by increasing the temperature at 1° C./min using MP70 (manufactured by METTLER TOLEDO).
(実施例1)
1,3,5-トリス(2-カルボキシエチル)イソシアヌル酸173mg(0.50mmol)に、トルエンを1mL、トリエチルアミンを0.21mL(1.51mmol)、ジフェニルホスホリルアジドを0.33mL(1.53mmol)加えた後、これらの混合物を室温で5時間撹拌して1,3,5-トリス[2-(アジドカルボニル)エチル]イソシアヌル酸を得た。この1,3,5-トリス[2-(アジドカルボニル)エチル]イソシアヌル酸をフラッシュシリカゲルカラムクロマトグラフィー(展開溶媒は40%酢酸エチル/ヘキサン)で精製し、60℃で1時間加熱して多量体組成物1を57mg(0.17mmol、1,3,5-トリス(2-カルボキシエチル)イソシアヌル酸基準の収率34%)得た。1H-NMRによる多量体組成物1の分析結果は以下の通りであり、1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸が生成されていることを確認した。得られた多量体組成物1中の1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸の含有量は、多量体組成物1の全物質量基準として99モル%であった。
1H-NMR(400MHz,CDCl3)δ(ppm):4.18(t,J=6.0Hz,6.00H),3.65(t,J=6.0Hz,5.94H).
融点:96℃
Example 1
To 173 mg (0.50 mmol) of 1,3,5-tris(2-carboxyethyl)isocyanuric acid, 1 mL of toluene, 0.21 mL (1.51 mmol) of triethylamine, and 0.33 mL (1.53 mmol) of diphenylphosphoryl azide were added, and the mixture was stirred at room temperature for 5 hours to obtain 1,3,5-tris[2-(azidocarbonyl)ethyl]isocyanuric acid. This 1,3,5-tris[2-(azidocarbonyl)ethyl]isocyanuric acid was purified by flash silica gel column chromatography (developing solvent: 40% ethyl acetate/hexane) and heated at 60° C. for 1 hour to obtain 57 mg (0.17 mmol, 34% yield based on 1,3,5-tris(2-carboxyethyl)isocyanuric acid). The results of 1 H-NMR analysis of polymer composition 1 are shown below, and it was confirmed that 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid was produced. The content of 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid in the obtained polymer composition 1 was 99 mol % based on the total amount of substance of polymer composition 1.
1 H-NMR (400 MHz, CDCl 3 ) δ (ppm): 4.18 (t, J=6.0 Hz, 6.00H), 3.65 (t, J=6.0 Hz, 5.94H).
Melting point: 96°C
(実施例2)
1,3,5-トリス(2-カルボキシエチル)イソシアヌル酸345mg(1.0mmol)に、ジメチルホルムアミドを1.0mL加えた後、氷浴下で塩化チオニルを0.24mL(3.3mmol)滴下した。これらの混合物を氷浴から引き上げ、室温で1時間撹拌した。反応溶液にクロロホルム5mLを加え、10分間撹拌した後、析出した固体をろ取し、クロロホルム10mLで洗浄し、減圧下で乾燥させることで、下記式(23)で表される1,3,5-トリス[2-(クロロカルボニル)エチル]イソシアヌル酸370mg(0.92mmol,収率92%)を白色固体として得た。
1H-NMR(400MHz,CDCl3)δ(ppm):4.26(t,J=7.0Hz,6H),3.27(t,J=7.0Hz,6H).
Example 2
1.0 mL of dimethylformamide was added to 345 mg (1.0 mmol) of 1,3,5-tris(2-carboxyethyl)isocyanuric acid, and then 0.24 mL (3.3 mmol) of thionyl chloride was added dropwise under an ice bath. The mixture was removed from the ice bath and stirred at room temperature for 1 hour. 5 mL of chloroform was added to the reaction solution, and the mixture was stirred for 10 minutes. The precipitated solid was filtered, washed with 10 mL of chloroform, and dried under reduced pressure to obtain 370 mg (0.92 mmol, yield 92%) of 1,3,5-tris[2-(chlorocarbonyl)ethyl]isocyanuric acid represented by the following formula (23) as a white solid.
1 H-NMR (400 MHz, CDCl 3 ) δ (ppm): 4.26 (t, J=7.0 Hz, 6H), 3.27 (t, J=7.0 Hz, 6H).
ついで、得られた1,3,5-トリス[2-(クロロカルボニル)エチル]イソシアヌル酸280mg(0.70mmol)に、アセトニトリルを1.0mL加えた後、氷浴下で10Mのアジ化ナトリウム水溶液を0.25mL(2.5mmol)滴下した。これらの混合物を氷浴から引き上げ、室温で30分間撹拌した。反応終了後、酢酸エチル(10mL×3)で抽出した。得られた有機層を飽和食塩水(20mL)で洗浄し、無水硫酸ナトリウムで乾燥した。続いて、無水硫酸ナトリウムをろ別した後、溶液を60℃の油浴で1時間加熱撹拌した。溶媒を減圧下で除去することで、式(1)で表される1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸を含む多量体組成物2を218mg(0.65mmol,収率93%)得た。1H-NMRによる多量体組成物2の分析結果は以下の通りであり、1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸が生成されていることを確認した。得られた多量体組成物2中の1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸の含有量は、多量体組成物2の全物質量基準として94モル%であった。
1H-NMR(400MHz,CDCl3)δ(ppm):4.18(t,J=6.0Hz,6.00H),3.65(t,J=6.0Hz,5.64H).
Next, 1.0 mL of acetonitrile was added to 280 mg (0.70 mmol) of the obtained 1,3,5-tris[2-(chlorocarbonyl)ethyl]isocyanuric acid, and then 0.25 mL (2.5 mmol) of 10 M aqueous sodium azide solution was added dropwise under an ice bath. The mixture was removed from the ice bath and stirred at room temperature for 30 minutes. After the reaction was completed, the mixture was extracted with ethyl acetate (10 mL x 3). The obtained organic layer was washed with saturated saline (20 mL) and dried over anhydrous sodium sulfate. Then, the anhydrous sodium sulfate was filtered off, and the solution was heated and stirred in an oil bath at 60°C for 1 hour. The solvent was removed under reduced pressure to obtain 218 mg (0.65 mmol, yield 93%) of a polymer composition 2 containing 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid represented by formula (1). The results of 1 H-NMR analysis of polymer composition 2 are shown below, and it was confirmed that 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid was produced. The content of 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid in the obtained polymer composition 2 was 94 mol % based on the total amount of substance of polymer composition 2.
1 H-NMR (400 MHz, CDCl 3 ) δ (ppm): 4.18 (t, J=6.0 Hz, 6.00H), 3.65 (t, J=6.0 Hz, 5.64H).
(実施例3)
1,3,5-トリス(2-カルボキシエチル)イソシアヌル酸10.4g(30mmol)に、トルエンを60mL、トリエチルアミンを13.8mL(99mmol)、ジフェニルホスホリルアジドを21.4mL(99mmol)加えた後、これらの混合物を室温で5時間撹拌した。この反応液にブロック剤である2-ブタノンオキシムを11.3mL(120mmol)を加え、80℃の油浴下で1時間撹拌した。反応液を油浴から引き上げ、放冷した後、溶媒を減圧下で除去した。得られた粗生成物をフラッシュシリカゲルカラムクロマトグラフィー(展開溶媒は10%メタノール/酢酸エチル)で精製し、下記式(5)で表される1,3,5-トリス[2-[(2-ブチリデンアミノオキシカルボニル)アミノ]エチル]イソシアヌル酸を含む多量体組成物3を、13.0g(21.8mmol,収率70%,オキシムに由来する異性体混合物)を得た。1H-NMRによる多量体組成物3の分析結果は以下の通りであり、得られた多量体組成物3中の1,3,5-トリス[2-[(2-ブチリデンアミノオキシカルボニル)アミノ]エチル]イソシアヌル酸の含有量は、多量体組成物3の全物質量基準として99モル%であった。
1H-NMR(400MHz,CDCl3)δ(ppm):6.79(t,J=5.9Hz,2.91H),4.13(t,J=5.0Hz,6.00H),3.53(dt,J=4.8,5.8Hz,5.92H),2.44,2.28(q,J=7.6Hz,それぞれ1.66H+4.33H),1.97,1.93(s,それぞれ6.83H+2.24H),1.11,1.07(t,J=7.6Hz,8.99H).
融点:158℃.
Example 3
To 10.4 g (30 mmol) of 1,3,5-tris(2-carboxyethyl)isocyanuric acid, 60 mL of toluene, 13.8 mL (99 mmol) of triethylamine, and 21.4 mL (99 mmol) of diphenylphosphoryl azide were added, and the mixture was stirred at room temperature for 5 hours. 11.3 mL (120 mmol) of 2-butanone oxime, a blocking agent, was added to the reaction solution, and the mixture was stirred in an oil bath at 80° C. for 1 hour. The reaction solution was removed from the oil bath and allowed to cool, after which the solvent was removed under reduced pressure. The resulting crude product was purified by flash silica gel column chromatography (developing solvent: 10% methanol/ethyl acetate) to obtain 13.0 g (21.8 mmol, 70% yield, isomer mixture derived from oxime) of polymer composition 3 containing 1,3,5-tris[2-[(2-butylideneaminooxycarbonyl)amino]ethyl]isocyanuric acid represented by the following formula (5). The analysis results of the polymer composition 3 by 1 H-NMR are as follows. The content of 1,3,5-tris[2-[(2-butylideneaminooxycarbonyl)amino]ethyl]isocyanuric acid in the obtained polymer composition 3 was 99 mol % based on the total amount of substance of the polymer composition 3.
1H -NMR (400MHz, CDCl3 ) δ (ppm): 6.79 (t, J = 5.9Hz, 2.91H), 4.13 (t, J = 5.0Hz, 6.00H), 3.53 (dt, J = 4.8, 5.8Hz, 5.92H), 2.44, 2.28 (q, J = 7.6Hz, 1.66H + 4.33H respectively), 1.97, 1.93 (s, 6.83H + 2.24H respectively), 1.11, 1.07 (t, J = 7.6Hz, 8.99H).
Melting point: 158°C.
(実施例4)
1,3,5-トリス(2-カルボキシエチル)イソシアヌル酸6.94g(20mmol)に、トルエンを40mL、トリエチルアミンを8.4mL(60mmol)、ジフェニルホスホリルアジドを13.0mL(60mmol)加えた後、これらの混合物を室温で5時間撹拌して、生成物1を得た。この反応液にブロック剤であるε-カプロラクタムを7.50g(66mmol)加え、80℃の油浴下で15時間撹拌した。反応液を油浴から引き上げ、放冷した後、溶媒を減圧下で除去した。得られた粗生成物をフラッシュシリカゲルカラムクロマトグラフィー(展開溶媒は30%トルエン/酢酸エチル)で精製し、下記式(6)で表される1,3,5-トリス{{2-[(2-オキソ-1-アゼパニル)カルボニル]アミノ}エチル}イソシアヌル酸を含む多量体組成物4を、5.01g(7.55mmol,収率38%)を白色固体として得た。1H-NMRによる多量体組成物4の分析結果は以下の通りであり、得られた多量体組成物4中の1,3,5-トリス{{2-[(2-オキソ-1-アゼパニル)カルボニル]アミノ}エチル}イソシアヌル酸の含有量は、多量体組成物4の全物質量基準として98モル%であった。
1H-NMR(400MHz,CDCl3)δ(ppm):9.34(t,J=5.7Hz,2.93H),4.09(t,J=5.5Hz,6.00H),3.96-3.94(m,5.93H),3.53(dt,J=5.5,5.7Hz,5.87H),2.69-2.66(m,6.01H),1.79-1.67(m,18.1H).
Example 4
To 6.94 g (20 mmol) of 1,3,5-tris(2-carboxyethyl)isocyanuric acid, 40 mL of toluene, 8.4 mL (60 mmol) of triethylamine, and 13.0 mL (60 mmol) of diphenylphosphoryl azide were added, and the mixture was stirred at room temperature for 5 hours to obtain product 1. 7.50 g (66 mmol) of ε-caprolactam, a blocking agent, was added to the reaction solution, and the mixture was stirred in an oil bath at 80° C. for 15 hours. The reaction solution was removed from the oil bath and allowed to cool, after which the solvent was removed under reduced pressure. The obtained crude product was purified by flash silica gel column chromatography (developing solvent: 30% toluene/ethyl acetate) to obtain 5.01 g (7.55 mmol, yield 38%) of a polymer composition 4 containing 1,3,5-tris{{2-[(2-oxo-1-azepanyl)carbonyl]amino}ethyl}isocyanuric acid represented by the following formula (6) as a white solid. The analysis results of the polymer composition 4 by 1 H-NMR are as follows. The content of 1,3,5-tris{{2-[(2-oxo-1-azepanyl)carbonyl]amino}ethyl}isocyanuric acid in the obtained polymer composition 4 was 98 mol % based on the total amount of substance of the polymer composition 4.
1H -NMR (400MHz, CDCl3 ) δ (ppm): 9.34 (t, J = 5.7Hz, 2.93H), 4.09 (t, J = 5.5Hz, 6.00H), 3.96-3.94 (m, 5.93H), 3.53 (dt, J = 5.5, 5.7Hz, 5.87H), 2.69-2.66 (m, 6.01H), 1.79-1.67 (m, 18.1H).
(実施例5)
シアヌル酸1.29g(10mmol)、1-ブロモ-2-[(tert-ブトキシカルボニル)アミノ]エタン7.40g(33mmol)に、ジメチルスルホキシドを10mL、ジアザビシクロウンデセン(DBU)を6.0mL(40mmol)を加えた後、これらの混合物を80℃で2時間撹拌した。反応液を油浴から引き上げ、放冷した後、蒸留水30mLを加え、30分間撹拌した。析出した固体をろ取し、蒸留水20mL、続いてジエチルエーテル20mLで洗浄し、減圧下50℃で乾燥させることで、式(11)で表される1,3,5-トリス[2-[(tert-ブトキシカルボニル)アミノ]エチル]イソシアヌル酸4.95g(8.86mmol,収率89%)を白色固体として得た。
1H-NMR(400MHz,CDCl3)δ(ppm):5.13(t,J=5.9Hz,3H),4.05(t,J=5.1Hz,6H),3.42(dt,J=5.1,5.9Hz,6H),1.39(s,27H).
Example 5
1.29 g (10 mmol) of cyanuric acid and 7.40 g (33 mmol) of 1-bromo-2-[(tert-butoxycarbonyl)amino]ethane were added with 10 mL of dimethyl sulfoxide and 6.0 mL (40 mmol) of diazabicycloundecene (DBU), and the mixture was stirred at 80° C. for 2 hours. The reaction solution was removed from the oil bath and allowed to cool, after which 30 mL of distilled water was added and stirred for 30 minutes. The precipitated solid was collected by filtration, washed with 20 mL of distilled water and then with 20 mL of diethyl ether, and dried at 50° C. under reduced pressure to obtain 4.95 g (8.86 mmol, 89% yield) of 1,3,5-tris[2-[(tert-butoxycarbonyl)amino]ethyl]isocyanuric acid represented by formula (11) as a white solid.
1 H-NMR (400 MHz, CDCl 3 ) δ (ppm): 5.13 (t, J=5.9 Hz, 3H), 4.05 (t, J=5.1 Hz, 6H), 3.42 (dt, J=5.1, 5.9 Hz, 6H), 1.39 (s, 27H).
1,3,5-トリス[2-[(tert-ブトキシカルボニル)アミノ]エチル]イソシアヌル酸558mg(1.0mmol)に、ジクロロメタンを10mL、2-ブロモピリジンを0.88mL(9.0mmol)加えた後、氷浴下でトリフルオロメタンスルホン酸無水物を0.74mL(4.5mmol)滴下した。これらの混合物を氷浴から引き上げ、室温で50分間撹拌した。反応液の揮発性成分を除去した後、アセトニトリルに溶解し、溶液が中性になるまで弱塩基性イオン交換樹脂(アンバーリストA21,オルガノ社製)を加えた。弱塩基性イオン交換樹脂をろ別し、揮発性成分を除去することで、式(1)で表される1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸を含む多量体組成物5を67mg(0.20mmol、収率20%)得た。1H-NMRによる多量体組成物5の分析結果は以下の通りであり、得られた多量体組成物5中の1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸の含有量は、多量体組成物5の全物質量基準として99モル%であった。
1H-NMR(400MHz,CDCl3)δ(ppm):4.18(t,J=6.0Hz,6.00H),3.65(t,J=6.0Hz,5.93H).
To 558 mg (1.0 mmol) of 1,3,5-tris[2-[(tert-butoxycarbonyl)amino]ethyl]isocyanuric acid, 10 mL of dichloromethane and 0.88 mL (9.0 mmol) of 2-bromopyridine were added, and then 0.74 mL (4.5 mmol) of trifluoromethanesulfonic anhydride was added dropwise under an ice bath. The mixture was removed from the ice bath and stirred at room temperature for 50 minutes. After removing the volatile components of the reaction solution, the solution was dissolved in acetonitrile, and a weakly basic ion exchange resin (Amberlyst A21, manufactured by Organo Corporation) was added until the solution became neutral. The weakly basic ion exchange resin was filtered off and the volatile components were removed, thereby obtaining 67 mg (0.20 mmol, 20% yield) of a polymer composition 5 containing 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid represented by formula (1). The analysis results of the polymer composition 5 by 1 H-NMR are as follows. The content of 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid in the obtained polymer composition 5 was 99 mol % based on the total amount of substance of the polymer composition 5.
1 H-NMR (400 MHz, CDCl 3 ) δ (ppm): 4.18 (t, J=6.0 Hz, 6.00H), 3.65 (t, J=6.0 Hz, 5.93H).
(実施例6)
2-ブロモエチルアミン臭化水素酸塩51.8g(253mmol)、炭酸水素ナトリウム125g(1.49mol)を量り取り、テトラヒドロフラン150mL、蒸留水150mLを加えた後、氷浴下でクロロぎ酸ベンジル35mL(248mmol)を滴下した。これらの混合物を氷浴から引き上げ、室温で2時間撹拌した。反応溶液のpHが7になるまで1N塩酸を加えた後、酢酸エチル(150mL×3)で抽出した。得られた有機層を飽和食塩水(200mL)で洗浄し、無水硫酸ナトリウムで乾燥した。溶媒を減圧下で除去し、得られた粗生成物をフラッシュシリカゲルカラムクロマトグラフィー(20%酢酸エチル/ヘキサン)で精製し、式(24)で表される2-(ベンジルオキシカルボニルアミノ)-1-ブロモエタン52.2g(202mmol,収率81%)を白色固体として得た。
1H-NMR(400MHz,CDCl3)δ(ppm):7.31-7.38(m,5H),5.16(br,1H),5.12(s,2H),3.62(dt,J=5.8Hz,2H),3.48(t,J=5.8Hz,2H).
Example 6
51.8 g (253 mmol) of 2-bromoethylamine hydrobromide and 125 g (1.49 mol) of sodium hydrogen carbonate were weighed out, and 150 mL of tetrahydrofuran and 150 mL of distilled water were added, followed by dropwise addition of 35 mL (248 mmol) of benzyl chloroformate under ice bath. The mixture was removed from the ice bath and stirred at room temperature for 2 hours. 1N hydrochloric acid was added until the pH of the reaction solution reached 7, and then extraction was performed with ethyl acetate (150 mL x 3). The obtained organic layer was washed with saturated saline (200 mL) and dried over anhydrous sodium sulfate. The solvent was removed under reduced pressure, and the obtained crude product was purified by flash silica gel column chromatography (20% ethyl acetate/hexane) to obtain 52.2 g (202 mmol, yield 81%) of 2-(benzyloxycarbonylamino)-1-bromoethane represented by formula (24) as a white solid.
1H -NMR (400MHz, CDCl3 ) δ (ppm): 7.31-7.38 (m, 5H), 5.16 (br, 1H), 5.12 (s, 2H), 3.62 (dt, J = 5.8Hz, 2H), 3.48 (t, J = 5.8Hz, 2H).
イソシアヌル酸7.81g(60.5mmol)、2-(ベンジルオキシカルボニルアミノ)-1-ブロモエタン52.2g(202mmol)を量り取り、DMSO60mLに溶解させた後、室温で1,8-ジアザビシクロ[5.4.0]-7-ウンデセン36mL(241mmol)を加えた。これらの混合物を80℃の油浴で13時間撹拌した。反応溶液を室温に戻した後、蒸留水600mLを加え、30分間撹拌した。析出した固体をろ取し、蒸留水200mL、エタノール200mLで洗浄し、減圧下で乾燥することで、式(25)で表されるトリス[2-(ベンジルオキシカルボニルアミノ)エチル]イソシアヌル酸26.5g(40.1mmol,収率66%)を白色固体として得た。
1H-NMR(400MHz,DMSO-d6)δ(ppm):7.28-7.36(m,15H),7.26(t,J=6.1Hz,3H),5.00(s,6H),3.84(t,J=5.9Hz,6H),3.21(dt,J=5.9,6.1Hz,6H).
7.81 g (60.5 mmol) of isocyanuric acid and 52.2 g (202 mmol) of 2-(benzyloxycarbonylamino)-1-bromoethane were weighed out and dissolved in 60 mL of DMSO, and then 36 mL (241 mmol) of 1,8-diazabicyclo[5.4.0]-7-undecene was added at room temperature. The mixture was stirred in an oil bath at 80° C. for 13 hours. After the reaction solution was returned to room temperature, 600 mL of distilled water was added and stirred for 30 minutes. The precipitated solid was collected by filtration, washed with 200 mL of distilled water and 200 mL of ethanol, and dried under reduced pressure to obtain 26.5 g (40.1 mmol, yield 66%) of tris[2-(benzyloxycarbonylamino)ethyl]isocyanuric acid represented by formula (25) as a white solid.
1 H-NMR (400 MHz, DMSO-d 6 ) δ (ppm): 7.28-7.36 (m, 15H), 7.26 (t, J=6.1 Hz, 3H), 5.00 (s, 6H), 3.84 (t, J=5.9 Hz, 6H), 3.21 (dt, J=5.9, 6.1 Hz, 6H).
還流管を取り付けた2Lフラスコにトリス[2-(ベンジルオキシカルボニルアミノ)エチル]イソシアヌル酸10.6g(16.0mmol)を量り取り、メタノール700mLを加え、アルゴンガスで置換した。反応液に10% パラジウム/炭素220mg(2wt%)を加えた後、水素ガスで置換し、80℃の油浴下で48時間撹拌した。1H-NMRにより反応の進行度合いを確認した後、さらに80℃の油浴下で48時間撹拌した。再度1H-NMRにより反応の進行度合いを確認した後、セライトを積んだガラスフィルターで反応液をろ過し、ろ液を濃縮した。濃縮した反応液にメタノール700mLを加え、アルゴンガスで置換し、20%水酸化パラジウム/炭素1.0g(10wt%)を加えた後、水素ガスで置換し、80℃の油浴下で24時間撹拌した。1H-NMRにより反応の完結を確認した後、セライトを積んだガラスフィルターで反応液をろ過し、ろ液を濃縮、さらに50℃で減圧乾燥することで、式(12)で表されるトリス(2-アミノエチル)イソシアヌル酸4.13g(16.0mmol,収率99%)を白色固体として得た。
1H-NMR(400MHz,CDCl3)δ(ppm):3.98(t,J=6.4Hz,6H),2.99(t,J=6.4Hz,6H),1.28(br,6H).
10.6 g (16.0 mmol) of tris[2-(benzyloxycarbonylamino)ethyl]isocyanuric acid was weighed out into a 2 L flask equipped with a reflux condenser, 700 mL of methanol was added, and the mixture was replaced with argon gas. 220 mg (2 wt%) of 10% palladium/carbon was added to the reaction solution, which was then replaced with hydrogen gas and stirred in an oil bath at 80°C for 48 hours. After checking the progress of the reaction by 1 H-NMR, the mixture was further stirred in an oil bath at 80°C for 48 hours. After checking the progress of the reaction again by 1 H-NMR, the reaction solution was filtered through a glass filter loaded with Celite, and the filtrate was concentrated. 700 mL of methanol was added to the concentrated reaction solution, which was then replaced with argon gas, and 1.0 g (10 wt%) of 20% palladium hydroxide/carbon was added, which was then replaced with hydrogen gas and stirred in an oil bath at 80°C for 24 hours. After confirming the completion of the reaction by 1 H-NMR, the reaction solution was filtered through a glass filter loaded with Celite, and the filtrate was concentrated and further dried under reduced pressure at 50° C. to obtain 4.13 g (16.0 mmol, yield 99%) of tris(2-aminoethyl)isocyanuric acid represented by formula (12) as a white solid.
1 H-NMR (400 MHz, CDCl 3 ) δ (ppm): 3.98 (t, J=6.4 Hz, 6H), 2.99 (t, J=6.4 Hz, 6H), 1.28 (br, 6H).
トリス(2-アミノエチル)イソシアヌル酸10mg(39μmol)、トリホスゲン13mg(44μmol)を量り取り、ジクロロメタン1mLを加えた後、氷浴下でトリエチルアミン40μL(0.29mmol)を滴下した。氷浴下で1時間撹拌した後、氷浴から引き上げ、室温で15時間撹拌した。反応液を濃縮した後、ジエチルエーテル5mLを加え、セライトを積んだガラスフィルターで反応液をろ過した。ろ液を濃縮することで、式(1)で表される1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸を含む多量体組成物6を5.0mg(15μmmol,収率38%)を得た。1H-NMRによる多量体組成物6の分析結果は以下の通りであり、得られた多量体組成物6中の1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸の含有量は、多量体組成物6の全物質量基準として99モル%であった。
1H-NMR(400MHz,CDCl3)δ(ppm):4.18(t,J=6.0Hz,6H),3.65(t,J=6.0Hz,5.87H).
10 mg (39 μmol) of tris(2-aminoethyl)isocyanuric acid and 13 mg (44 μmol) of triphosgene were weighed out, 1 mL of dichloromethane was added, and 40 μL (0.29 mmol) of triethylamine was added dropwise in an ice bath. After stirring in an ice bath for 1 hour, the mixture was removed from the ice bath and stirred at room temperature for 15 hours. After concentrating the reaction solution, 5 mL of diethyl ether was added, and the reaction solution was filtered through a glass filter loaded with Celite. The filtrate was concentrated to obtain 5.0 mg (15 μmmol, yield 38%) of a polymer composition 6 containing 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid represented by formula (1). The analysis results of the polymer composition 6 by 1 H-NMR are as follows, and the content of 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid in the obtained polymer composition 6 was 99 mol% based on the total substance amount of the polymer composition 6.
1 H-NMR (400 MHz, CDCl 3 ) δ (ppm): 4.18 (t, J=6.0 Hz, 6H), 3.65 (t, J=6.0 Hz, 5.87H).
(比較例1)
<EDIモノマー3量化による1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸の合成>
攪拌機、温度計、冷却管、および窒素ガス導入管を備えた容量300ミリリットルの四つ口フラスコに、EDIを200g仕込み、撹拌しながら60℃に昇温し、イソシアヌレート化触媒であるオクチル酸カリウム(東京化成工業社製)を0.01g添加したところ、ただちにゲル化した。ゲル化した生成物のIRスペクトルの測定を行ったが、1,3,5-トリス(2-イソシアナトエチル)イソシアヌル酸に由来するスペクトルを確認できなかった。
(Comparative Example 1)
<Synthesis of 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid by trimerization of EDI monomer>
200 g of EDI was charged into a 300-mL four-neck flask equipped with a stirrer, a thermometer, a condenser, and a nitrogen gas inlet tube, and the temperature was raised to 60° C. with stirring. 0.01 g of potassium octylate (Tokyo Chemical Industry Co., Ltd.), an isocyanurate catalyst, was added, which immediately caused gelation. The IR spectrum of the gelled product was measured, but no spectrum derived from 1,3,5-tris(2-isocyanatoethyl)isocyanuric acid was confirmed.
(実施例7~8、比較例2~3)
<ポリウレタン樹脂の形成>
ポリオールと多量体組成物1~2とを、表1の配合量(イソシアネート基/水酸基のモル比=1.0になる比)で配合し、更に有機溶剤を表1の配合量(固形分が50質量%になる比)で配合し、二液塗料組成物(PU-1~PU-4)を調製した。なお、表1中の配合量の単位はgである。有機溶剤には、酢酸エチルを使用し、調製した。調整した配合液を、乾燥後の膜厚が30μmとなるように鋼板に塗布し、温度150℃の乾燥機中で30分間加熱処理を行い、続いて温度23℃、相対湿度50%の環境下で7日間養生を行った。
(Examples 7 to 8, Comparative Examples 2 to 3)
Formation of Polyurethane Resin
Polyol and polymer compositions 1 and 2 were mixed in the amounts shown in Table 1 (ratios that give an isocyanate group/hydroxyl group molar ratio of 1.0), and an organic solvent was further mixed in the amounts shown in Table 1 (ratios that give a solid content of 50 mass%) to prepare two-component coating compositions (PU-1 to PU-4). The units of amounts in Table 1 are g. Ethyl acetate was used as the organic solvent. The mixed liquid thus prepared was applied to a steel plate so that the film thickness after drying would be 30 μm, and the mixture was heat-treated in a dryer at a temperature of 150° C. for 30 minutes, and then aged for 7 days in an environment at a temperature of 23° C. and a relative humidity of 50%.
表1に示す各材料は、以下のとおりである。
PI-1:コロネートHXLV(ヘキサメチレンジイソシアネート骨格に基づくポリイソシアヌレート、東ソー社製)
PI-2:VEATANAT T1890(イソホロンジイソシアネート骨格に基づくポリイソシアヌレート、エボニック社製)
ポリオール:アクリルポリオール(商品名:アクリディックA-801、水酸基価:50mgKOH/g、固形分:50質量%、DIC社製)
The materials shown in Table 1 are as follows.
PI-1: Coronate HXLV (polyisocyanurate based on hexamethylene diisocyanate skeleton, manufactured by Tosoh Corporation)
PI-2: VEATANAT T1890 (polyisocyanurate based on isophorone diisocyanate skeleton, manufactured by Evonik)
Polyol: Acrylic polyol (product name: ACRYDIC A-801, hydroxyl value: 50 mg KOH/g, solid content: 50% by mass, manufactured by DIC Corporation)
<ポリウレタン樹脂の物性測定>
得られたポリウレタン樹脂の特性を評価するため、以下の測定を実施した。
<Measurement of physical properties of polyurethane resin>
In order to evaluate the properties of the obtained polyurethane resin, the following measurements were carried out.
<硬度>
・試験装置:フィッシャースコープHM2000(フィッシャー・インストルメンツ社製)
・圧子:ビッカースダイヤモンド
・試験温度:25℃
<Hardness>
Test equipment: Fischerscope HM2000 (manufactured by Fisher Instruments)
Indenter: Vickers diamond Test temperature: 25°C
<硬度評価基準>
押込み硬度の値を、下記基準にて分類した。
・100N/mm2以上:(評価)良好
・100N/mm2未満:(評価)不良
<Hardness evaluation criteria>
The indentation hardness values were classified according to the following criteria.
・100N/ mm2 or more: (Evaluation) Good ・Less than 100N/ mm2 : (Evaluation) Poor
<耐衝撃性評価>
鋼板上にポリウレタン樹脂組成物を形成し、50mm×50mmのサイズにカットしたものを試験サンプルとし、JIS K5600-5-3に準じて、デュポン式落下試験機を用いて、下記試験条件で試験片に衝撃を与え、試験後のサンプルの状態を目視で確認した。
試験条件:半径6.35mmの撃ち型と受け台の間に試験サンプルを挟み、質量1000gの錘を、1000mmの高さから落下させる。
<Impact resistance evaluation>
A polyurethane resin composition was formed on a steel plate, and the resulting specimen was cut to a size of 50 mm x 50 mm to prepare a test sample. In accordance with JIS K5600-5-3, a DuPont drop tester was used to apply an impact to the test piece under the following test conditions, and the condition of the sample after the test was visually confirmed.
Test conditions: A test sample is sandwiched between a striking die having a radius of 6.35 mm and a receiving stand, and a weight having a mass of 1000 g is dropped from a height of 1000 mm.
<耐衝撃性評価基準>
鋼板上の塗膜に割れが認められない:(評価)良好
鋼板上の塗膜に割れが認められる :(評価)不良
<Impact resistance evaluation criteria>
No cracks were observed in the coating film on the steel plate: (Evaluation) Good Cracks were observed in the coating film on the steel plate: (Evaluation) Poor
<耐候性評価>
鋼板上に形成したポリウレタン樹脂組成物を、下記の条件で耐候性の加速試験を行った。
・試験装置:QUV(Q-Lab社製)
・ランプ:EL-313
・照度:0.59w/m2
・λmax:313nm
・1サイクル:12時間〔UV照射:8時間(温度70℃)、結露:4時間(温度50℃)〕
・試験時間:384時間
<Weather resistance evaluation>
The polyurethane resin composition formed on the steel plate was subjected to an accelerated weather resistance test under the following conditions.
Testing equipment: QUV (manufactured by Q-Lab)
・Lamp: EL-313
Illuminance: 0.59 w/ m2
λmax: 313 nm
1 cycle: 12 hours (UV irradiation: 8 hours (temperature 70°C), condensation: 4 hours (temperature 50°C)
Test time: 384 hours
<耐候性評価基準>
JIS Z8741に準じて、光沢度計(製品名:マイクロ-グロス、BYK社製)にて、60°における光沢度を測定し、光沢保持率を算出した。光沢保持率は次式により求めた。
光沢保持率(%)=100×耐候試験後光沢度÷初期光沢度 (式)
・80%以上:(評価)良好
・80%未満:(評価)不良
<Weather resistance evaluation criteria>
In accordance with JIS Z8741, the gloss at 60° was measured using a gloss meter (product name: Micro-Gloss, manufactured by BYK Corporation), and the gloss retention was calculated using the following formula.
Gloss retention (%) = 100 x gloss after weathering test / initial gloss (formula)
・80% or more: (rating) Good ・Less than 80%: (rating) Bad
表2に示すように、EDIの多量体組成物を用いて形成したポリウレタン樹脂は、硬度、耐衝撃性、耐候性に優れるものであった。一方、EDIの多量体組成物を用いないで形成したポリウレタン樹脂は、硬度、耐衝撃性、耐候性のいずれかが不良であり、すべての評価項目において良好となるものはなかった。
As shown in Table 2, the polyurethane resins formed using the EDI polymer composition were excellent in hardness, impact resistance, and weather resistance. On the other hand, the polyurethane resins formed without using the EDI polymer composition were poor in either hardness, impact resistance, or weather resistance, and none of them were good in all the evaluation items.
Claims (23)
下記式(1)で表されるエチレンジイソシアネート三量体の含有量が、全物質量基準で50モル%以上である、多量体組成物。
A polymer composition having an ethylene diisocyanate trimer content of 50 mol % or more based on the total amount of substances, the content being represented by the following formula (1):
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