WO2021221090A1 - ブロックポリイソシアネート組成物、熱硬化性樹脂組成物、硬化物及びその製造方法 - Google Patents
ブロックポリイソシアネート組成物、熱硬化性樹脂組成物、硬化物及びその製造方法 Download PDFInfo
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- WO2021221090A1 WO2021221090A1 PCT/JP2021/016919 JP2021016919W WO2021221090A1 WO 2021221090 A1 WO2021221090 A1 WO 2021221090A1 JP 2021016919 W JP2021016919 W JP 2021016919W WO 2021221090 A1 WO2021221090 A1 WO 2021221090A1
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- compound
- substituted
- carbon atoms
- blocked polyisocyanate
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- 239000005056 polyisocyanate Substances 0.000 title claims abstract description 135
- 229920001228 polyisocyanate Polymers 0.000 title claims abstract description 135
- 239000000203 mixture Substances 0.000 title claims abstract description 90
- 239000011342 resin composition Substances 0.000 title claims description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- -1 amidate compound Chemical class 0.000 claims abstract description 237
- 150000001875 compounds Chemical class 0.000 claims abstract description 106
- 229940059260 amidate Drugs 0.000 claims abstract description 24
- 125000004432 carbon atom Chemical group C* 0.000 claims description 94
- 125000005842 heteroatom Chemical group 0.000 claims description 60
- 229920005862 polyol Polymers 0.000 claims description 54
- 229920001187 thermosetting polymer Polymers 0.000 claims description 37
- 239000002981 blocking agent Substances 0.000 claims description 30
- 239000000047 product Substances 0.000 claims description 21
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 claims description 19
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 19
- 239000007795 chemical reaction product Substances 0.000 claims description 18
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 150000002923 oximes Chemical group 0.000 claims description 7
- WHIVNJATOVLWBW-UHFFFAOYSA-N n-butan-2-ylidenehydroxylamine Chemical group CCC(C)=NO WHIVNJATOVLWBW-UHFFFAOYSA-N 0.000 claims description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 5
- 150000002430 hydrocarbons Chemical group 0.000 description 133
- 238000006243 chemical reaction Methods 0.000 description 56
- 239000002904 solvent Substances 0.000 description 54
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 45
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 41
- 150000003077 polyols Chemical class 0.000 description 32
- 229910052757 nitrogen Inorganic materials 0.000 description 31
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 30
- OKRROXQXGNEUSS-UHFFFAOYSA-N 1h-imidazol-1-ium-1-carboxylate Chemical compound OC(=O)N1C=CN=C1 OKRROXQXGNEUSS-UHFFFAOYSA-N 0.000 description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 27
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 27
- 125000005843 halogen group Chemical group 0.000 description 27
- 125000003282 alkyl amino group Chemical group 0.000 description 25
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 24
- 125000000217 alkyl group Chemical group 0.000 description 24
- 239000003054 catalyst Substances 0.000 description 24
- 125000004663 dialkyl amino group Chemical group 0.000 description 24
- 239000012948 isocyanate Substances 0.000 description 24
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 23
- 125000003118 aryl group Chemical group 0.000 description 21
- 238000000034 method Methods 0.000 description 21
- 125000001424 substituent group Chemical group 0.000 description 20
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 19
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 19
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 19
- 239000000243 solution Substances 0.000 description 19
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 18
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 18
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 18
- 238000003756 stirring Methods 0.000 description 18
- 239000002253 acid Substances 0.000 description 17
- MTHSVFCYNBDYFN-UHFFFAOYSA-N anhydrous diethylene glycol Natural products OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 17
- 125000003710 aryl alkyl group Chemical group 0.000 description 17
- 125000004430 oxygen atom Chemical group O* 0.000 description 17
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 16
- 238000001723 curing Methods 0.000 description 16
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 16
- 229910052717 sulfur Inorganic materials 0.000 description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 15
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 15
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 14
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 14
- 125000004433 nitrogen atom Chemical group N* 0.000 description 14
- 239000000049 pigment Substances 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- 125000004434 sulfur atom Chemical group 0.000 description 14
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 13
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 13
- 239000000178 monomer Substances 0.000 description 13
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 13
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 13
- 238000005160 1H NMR spectroscopy Methods 0.000 description 12
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 12
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 12
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 12
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 11
- 150000001298 alcohols Chemical class 0.000 description 11
- 125000003545 alkoxy group Chemical group 0.000 description 11
- 125000002102 aryl alkyloxo group Chemical group 0.000 description 11
- 125000004104 aryloxy group Chemical group 0.000 description 11
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 10
- 235000011054 acetic acid Nutrition 0.000 description 10
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 10
- 229910052731 fluorine Inorganic materials 0.000 description 10
- 229920005906 polyester polyol Polymers 0.000 description 10
- 239000011541 reaction mixture Substances 0.000 description 10
- 125000006219 1-ethylpentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- 239000004721 Polyphenylene oxide Substances 0.000 description 9
- 125000002947 alkylene group Chemical group 0.000 description 9
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 9
- 229940015043 glyoxal Drugs 0.000 description 9
- 150000002513 isocyanates Chemical class 0.000 description 9
- 239000011259 mixed solution Substances 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 9
- 125000001624 naphthyl group Chemical group 0.000 description 9
- 229920000570 polyether Polymers 0.000 description 9
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 9
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 8
- 150000001412 amines Chemical class 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 8
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 8
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 8
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 7
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 7
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 7
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 125000001931 aliphatic group Chemical group 0.000 description 7
- 125000004466 alkoxycarbonylamino group Chemical group 0.000 description 7
- 125000003806 alkyl carbonyl amino group Chemical group 0.000 description 7
- 125000002521 alkyl halide group Chemical group 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 7
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 7
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 7
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 7
- 150000002989 phenols Chemical class 0.000 description 7
- 229920000768 polyamine Polymers 0.000 description 7
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 7
- 150000005846 sugar alcohols Polymers 0.000 description 7
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 6
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- 230000015572 biosynthetic process Effects 0.000 description 6
- 229910052797 bismuth Inorganic materials 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 125000001309 chloro group Chemical group Cl* 0.000 description 6
- 125000004093 cyano group Chemical group *C#N 0.000 description 6
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 6
- 238000010494 dissociation reaction Methods 0.000 description 6
- 230000005593 dissociations Effects 0.000 description 6
- 125000001153 fluoro group Chemical group F* 0.000 description 6
- 229910052740 iodine Inorganic materials 0.000 description 6
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- XUWHAWMETYGRKB-UHFFFAOYSA-N piperidin-2-one Chemical compound O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 description 6
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 6
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 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 6
- 239000008096 xylene Substances 0.000 description 6
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 229930194542 Keto Natural products 0.000 description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 5
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 125000002723 alicyclic group Chemical group 0.000 description 5
- 150000004651 carbonic acid esters Chemical class 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 5
- 235000011187 glycerol Nutrition 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002576 ketones Chemical class 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 5
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 125000004923 naphthylmethyl group Chemical group C1(=CC=CC2=CC=CC=C12)C* 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 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 description 4
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 4
- GFJVRINORLNPPY-UHFFFAOYSA-M 1,3-ditert-butylimidazol-1-ium;acetate Chemical compound CC([O-])=O.CC(C)(C)N1C=C[N+](C(C)(C)C)=C1 GFJVRINORLNPPY-UHFFFAOYSA-M 0.000 description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 4
- SDXAWLJRERMRKF-UHFFFAOYSA-N 3,5-dimethyl-1h-pyrazole Chemical compound CC=1C=C(C)NN=1 SDXAWLJRERMRKF-UHFFFAOYSA-N 0.000 description 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 4
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 4
- RREANTFLPGEWEN-MBLPBCRHSA-N 7-[4-[[(3z)-3-[4-amino-5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidin-2-yl]imino-5-fluoro-2-oxoindol-1-yl]methyl]piperazin-1-yl]-1-cyclopropyl-6-fluoro-4-oxoquinoline-3-carboxylic acid Chemical compound COC1=C(OC)C(OC)=CC(CC=2C(=NC(\N=C/3C4=CC(F)=CC=C4N(CN4CCN(CC4)C=4C(=CC=5C(=O)C(C(O)=O)=CN(C=5C=4)C4CC4)F)C\3=O)=NC=2)N)=C1 RREANTFLPGEWEN-MBLPBCRHSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
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- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 4
- 125000005263 alkylenediamine group Chemical group 0.000 description 4
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 239000002585 base Substances 0.000 description 4
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- TUQOTMZNTHZOKS-UHFFFAOYSA-N tributylphosphine Chemical compound CCCCP(CCCC)CCCC TUQOTMZNTHZOKS-UHFFFAOYSA-N 0.000 description 1
- NQISDOIAJWWPGA-UHFFFAOYSA-N triethyl(3-hydroxypropyl)azanium Chemical compound CC[N+](CC)(CC)CCCO NQISDOIAJWWPGA-UHFFFAOYSA-N 0.000 description 1
- GZBUMTPCIKCWFW-UHFFFAOYSA-N triethylcholine Chemical compound CC[N+](CC)(CC)CCO GZBUMTPCIKCWFW-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 150000004043 trisaccharides Chemical class 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/807—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with nitrogen containing compounds
- C08G18/8077—Oximes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/20—Heterocyclic amines; Salts thereof
- C08G18/2009—Heterocyclic amines; Salts thereof containing one heterocyclic ring
- C08G18/2027—Heterocyclic amines; Salts thereof containing one heterocyclic ring having two nitrogen atoms in the ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/20—Heterocyclic amines; Salts thereof
- C08G18/2081—Heterocyclic amines; Salts thereof containing at least two non-condensed heterocyclic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/71—Monoisocyanates or monoisothiocyanates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/7806—Nitrogen containing -N-C=0 groups
- C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
- C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/807—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with nitrogen containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/90—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2190/00—Compositions for sealing or packing joints
Definitions
- the present invention relates to a block polyisocyanate composition, a thermosetting resin composition, a cured product, and a method for producing the same.
- the block polyisocyanate composition is a composition containing a block polyisocyanate compound and a dissociation catalyst of a blocking agent.
- the blocked polyisocyanate compound is a compound obtained by reacting a polyisocyanate compound with a blocking agent having an active hydrogen group capable of reacting with an isocyanate group.
- the blocked polyisocyanate compound is inactivated at room temperature by sealing the isocyanate group of the polyisocyanate with a blocking agent, but has the property that the blocking agent is dissociated by heating and the isocyanate group is regenerated. Have.
- the block polyisocyanate composition is widely used as a raw material for a one-component thermosetting polyurethane resin and a cross-linking agent in applications such as paints and adhesives.
- a catalyst may be added for the purpose of lowering the curing temperature, and as a compound used as a catalyst, a tin compound such as dibutyl tin dilaurate (hereinafter referred to as DBTDL) is generally known.
- DBTDL dibutyl tin dilaurate
- a thermosetting resin composition containing a blocked polyisocyanate compound and a tin compound formed by using the above blocking agent usually requires a curing temperature of 120 ° C. or higher.
- a blocking agent dissociation catalyst 1-methyl-3-n-octylimidazolium-2-N-phenylamidate represented by the following structural formula is known (Patent Document 1).
- the present inventors used 1-methyl-3-n-octylimidazolium-2-N-phenylamidate described in Patent Document 1 as a blocking agent dissociation catalyst, and blocked polyisocyanate and polyol blocked with methyl ethyl ketooxime.
- a temperature of more than 100 ° C. was required to cure within 30 minutes (Comparative Example 2 described later), and the low temperature curability was satisfactory. It wasn't. From this, it is an object of the present invention to provide a block polyisocyanate composition having excellent low temperature curability, a thermosetting resin composition containing the block polyisocyanate composition, and a cured product thereof.
- the present invention provides the following blocked polyisocyanate compositions, thermosetting compositions and cured products.
- B represents a substituted or unsubstituted hydrocarbon group.
- R 4 , R 5 , R 6 , R 9 , R 10 and R 11 are the same or different carbons which may be substituted with a hetero atom.
- number 1 ⁇ .R 7 and R 8 represents a hydrocarbon group having 20 are the same or different, and .R 4 indicating a hydrogen atom or a hydrocarbon group is ⁇ 1 carbon atoms which may have 20 substituted with a hetero atom
- R 5 , R 5 and R 6 , R 7 and R 8 , R 9 and R 10 , or R 10 and R 11 may form a ring structure together with the carbon atoms to which they are bonded. Good.
- Y is an integer of 1 or more and 20 or less.
- the group represented by CR 4 R 5 R 6 or the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- B of the formula (2) is a substituted or unsubstituted aromatic hydrocarbon group.
- R 4 , R 5 , R 9 and R 10 are the same or different hydrocarbon groups having 1 to 6 carbon atoms which may be substituted with heteroatoms. Polyisocyanate composition.
- n is 0 or an integer of 1 to 4.
- thermosetting resin composition containing the block polyisocyanate composition according to any one of [1] to [8] and a compound having an isocyanate-reactive group.
- a method for producing a cured product which comprises a step of heating and curing the thermosetting resin composition according to [9] or [10].
- a block polyisocyanate composition having excellent low temperature curability a thermosetting resin composition containing the block polyisocyanate composition, and a method for producing the cured product and the cured product.
- the blocked polyisocyanate composition of the present invention contains a blocked polyisocyanate compound and an amidate compound represented by the formula (2).
- the blocked polyisocyanate compound will be described.
- Examples of the blocked polyisocyanate compound include a compound in which a polyisocyanate is reacted with a blocking agent and the isocyanate group in the polyisocyanate is sealed with the blocking agent.
- the block polyisocyanate compound may be used alone or in combination of two or more.
- the polyisocyanate constituting the block polyisocyanate compound is not particularly limited as long as it is a compound having two or more isocyanate groups, and examples of the polyisocyanate include the following.
- Aliphatic polyisocyanate (i) Alicyclic polyisocyanate, (iii) Aromatic polyisocyanate, (iv) Aromatic aliphatic polyisocyanates, (v) A modified isocyanate formed from at least one selected from the group consisting of aliphatic polyisocyanates, alicyclic polyisocyanates, aromatic polyisocyanates and aromatic aliphatic polyisocyanates.
- aliphatic polyisocyanates (i) aliphatic polyisocyanates, (ii) alicyclic polyisocyanates, and (v) aliphatic polyisocyanates, alicyclic polyisocyanates, aromatic polyisocyanates and aromatic aliphatic polyisocyanates. It is a modified isocyanate formed from at least one kind. These polyisocyanates may be used alone or in combination of two or more.
- Examples of the aliphatic polyisocyanate include 1,4-tetramethylene diisocyanate, 1,6-hexamethylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, 2,4,4-trimethylhexamethylene diisocyanate, and lysine diisocyanate. Examples thereof include diisocyanate dimerate.
- alicyclic polyisocyanate examples include 1,3-bis (isocyanatomethyl) cyclohexane, 1,4-bis (isocyanatomethyl) cyclohexane, and 3-isocyanatomethyl-3,3,5-trimethylcyclohexane (isophorone).
- Diisocyanate (IPDI)) bis- (4-isocyanatocyclohexyl) methane, norbornane diisocyanate and the like.
- aromatic polyisocyanate examples include 2,4'-diphenylmethane diisocyanate, 4,4'-diphenylmethane diisocyanate, crude diphenylmethane diisocyanate, 1,4-phenylenediocyanate, 2,4-tolylene diisocyanate, and 2,6-tolylene diisocyanate.
- aromatic polyisocyanate examples include isocyanate, 3,3'-dimethyl-4,4'-diisocyanatobiphenyl, 3,3'-dimethyl-4,4'-diisocyanatodiphenylmethane, 1,5-naphthylene diisocyanate and the like.
- aromatic aliphatic polyisocyanate examples include 1,3-xylylene diisocyanate, 1,4-xylylene diisocyanate, ⁇ , ⁇ , ⁇ ', ⁇ '-tetramethylxylylene diisocyanate and the like.
- modified isocyanate examples include an isocyanate group-terminated compound and / or a polyisocyanate compound obtained by reacting the polyisocyanate compound with a compound having an active hydrogen group, and / or a reaction product of the isocyanate group-terminated compound (for example, adduct-type polyisocyanate). Allophanate-forming reaction, carbodiimidization reaction, uretdione-forming reaction, isocyanurate-forming reaction, uretonimination reaction, isocyanate-modified product by biuret-forming reaction, etc.), and adduct-type polyisocyanate, polyisocyanate modified by isocyanurate-forming reaction, etc. , Polyisocyanate modified by biuretization reaction (polyisocyanate having biuret bond) is preferable.
- the polyisocyanate having a biuret bond is a so-called biuret agent such as water, tert-butanol, urea and polyisocyanate, and the molar ratio of the isocyanate group of the biuret agent / polyisocyanate is about 1/2 to about 1/100.
- the reaction After the reaction, it is obtained by removing and purifying the unreacted polyisocyanate.
- a polyisocyanate having an isocyanurate bond is subjected to a cyclic triquantification reaction using, for example, a catalyst, and the reaction is stopped when the conversion rate reaches about 5 to about 80% by mass, and unreacted polyisocyanate is removed and purified. can get.
- a 1- to hexavalent alcohol compound can be used in combination.
- the polyisocyanate having a biuret bond examples include a biuret-modified product of 1,6-hexamethylene diisocyanate (HDI), a biuret-modified product of isophorone diisocyanate (IPDI), and a biuret-modified product of toluene diisocyanate (TDI) shown below.
- Commercially available products include Death Module N75, Death Module N100, Death Module N3200 manufactured by Sumika Cobestro Urethane Co., Ltd. and Duranate 24A-100, Duranate 22A-75P, Duranate 21S-75E manufactured by Asahi Kasei Co., Ltd. Can be mentioned.
- a polyisocyanate having an isocyanurate bond is subjected to a cyclic triquantification reaction using, for example, a catalyst, and the reaction is stopped when the conversion rate reaches about 5 to about 80% by mass, and unreacted polyisocyanate is removed and purified. can get. At this time, a 1- to hexavalent alcohol compound can be used in combination.
- a catalyst for the isocyanurate-forming reaction a catalyst having basicity is generally preferable.
- Tetraalkylammonium hydroxides such as tetramethylammonium, tetraethylammonium, and trimethylbenzylammonium, and organic weak acid salts such as acetic acid and capric acid, for example.
- Hydroxyl hydroxide of hydroxyalkylammonium such as trimethylhydroxypropylammonium, trimethylhydroxyethylammonium, triethylhydroxypropylammonium, triethylhydroxyethylammonium, and organic weak acid salts such as acetic acid and capric acid.
- Metal salts of alkylcarboxylic acids such as tin, zinc, lead, etc.
- Metalal alcoholates such as sodium and potassium
- Aminosilyl group-containing compounds such as hexamethyldisilazane
- Mannich bases (7)
- Phosphorus compounds such as tributylphosphine can be mentioned, and two or more of them may be used in combination. If the catalyst may adversely affect the physical characteristics of the paint or coating film, the catalyst may be neutralized with an acidic compound or the like.
- the acidic compound examples include inorganic acids such as hydrochloric acid, phosphite, and phosphoric acid, sulfonic acids such as methanesulfonic acid, p-toluenesulfonic acid, p-toluenesulfonic acid methyl ester, and p-toluenesulfonic acid ethyl ester, or sulfonic acids thereof.
- inorganic acids such as hydrochloric acid, phosphite, and phosphoric acid
- sulfonic acids such as methanesulfonic acid, p-toluenesulfonic acid, p-toluenesulfonic acid methyl ester, and p-toluenesulfonic acid ethyl ester, or sulfonic acids thereof.
- ethyl phosphate diethyl phosphate, isopropyl phosphate, diisopropyl phosphate, butyl phosphate, dibutyl phosphate, 2-ethylhexyl phosphate, di (2-ethylhexyl) phosphate, isodecyl phosphate, diisodecyl phosphate, oleyl acid phosphate, tetracosyl acid phosphate, ethyl
- glycolic acid phosphate butyl pyrophosphate, butyl phosphite and the like, and two or more of them may be used in combination.
- Examples of the polyisocyanate having an isocyanurate bond include the following HDI isocyanurate modified product, IPDI isocyanurate modified product, and TDI isocyanurate modified product, and commercially available products include Sumika Cobestro. Sumijuru N3300 made by Urethane Co., Ltd., Death Module 3900, Death Module Z4470BA, Death Module XP2763, Death Module IL1351BA, Death Module HLBA, Duranate TPA-100, Duranate MFA-75B, Duranate TUL-100, Duranate Examples include TSA-100.
- the polyisocyanate having a urethane bond is composed of, for example, a diisocyanate and a 2- to 6-valent alcohol compound such as trimethylolpropane (hereinafter referred to as TMP), and the molar ratio of the hydroxyl group / polyisocyanate of the alcohol compound is the molar ratio of the isocyanate group. It is obtained by removing and purifying unreacted polyisocyanate after reacting at about 1/2 to about 1/100. Removal and purification of unreacted polyisocyanate is not always necessary.
- TMP trimethylolpropane
- Examples of the polyisocyanate having a urethane bond include a reaction product of HDI and TMP, a reaction product of IPDI and TMP, and a reaction product of TDI and TMP shown below. Sumijour N3300, Death Module 3900, Death Module Z4470BA, Death Module XP2763, Death Module IL1351BA, Death Module HLBA, Duranate TPA-100, Duranate MFA-75B, Duranate TUL-100, Duranate TSA -100 and the like can be mentioned.
- Examples of known blocking agents for isocyanates in which a part of the isocyanate group of the polyisocyanate or the modified isocyanate is sealed with a known blocking agent include phenol, thiophenol, methylthiophenol, xylenol, cresol, resorcinol, and nitrophenol.
- Phenols such as chlorophenol, oximes such as acetone oxime, methyl ethyl ketone oxime, cyclohexanone oxime, methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, isocyanate alcohol, t-butyl alcohol, t-pentanol , Alcohols such as ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, benzyl alcohol, pyrazoles such as 3,5-dimethylpyrazole, 1,2-pyrazole, 1,2, Triazoles such as 4-triazole, halogen-substituted alcohols such as ethylene chlorohydrin and 1,3-dichloro-2-propanol, lactams such as ⁇ -caprolactam, ⁇ -valerolactam, ⁇ -butyrol
- Active methylene compounds such as methyl acetoacetate, ethyl acetoacetate, acetylacetone, methyl malate, ethyl malonate, and other amines, imides, mercaptans, imines, ureas, diaryls, etc. Can be mentioned.
- the blocking agent examples include alcohol compounds, phenol compounds, amine compounds, lactam compounds, oxime compounds, active methylene compounds, pyrazole compounds, and triazole compounds, and lactam compounds and oxime compounds.
- Pyrazole-based compounds are preferable, and oxime-based compounds are particularly preferable because the blocking agent can be dissociated in a short time even at a low temperature of less than 100 ° C. by combining with the amidate compound represented by the formula (2).
- alcohol-based compounds include methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, isobutyl alcohol, t-butyl alcohol, t-pentanol, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, and diethylene glycol monoethyl.
- examples include ether, propylene glycol monomethyl ether, benzyl alcohol and the like.
- phenolic compound examples include phenol, thiophenol, methylthiophenol, xylenol, cresol, resorcinol, nitrophenol, chlorophenol 2-hydroxypyridine and the like.
- amine compounds examples include diisopropylamine and the like.
- lactam compound examples include ⁇ -caprolactam, ⁇ -valerolactam, ⁇ -butyrolactam and the like, and ⁇ -caprolactam is preferable.
- Alkyl groups having 1 to 20 carbon atoms include methyl group, ethyl group, propyl group, isopropyl group, butyl group, sec-butyl group, tert-butyl group, 1-methylpropyl group, pentyl group, hexyl group and heptyl group. , Octyl group, 1-ethylpentyl group, nonyl group, 2-ethylhexyl group, undecyl group, tridecyl group, pentadecyl group, heptadecyl group.
- oxime-based compound examples include formaldehyde oxime, acetaldehyde oxime, acetone oxime, methyl ethyl keto oxime, methyl isobutyl keto oxime and the like, and methyl ethyl keto oxime is preferable.
- Examples of the pyrazole-based compound include 1,2-pyrazole and 3,5-dimethylpyrazole, and examples of the triazole-based compound include 1,2,4-triazole, preferably 3,5-dimethylpyrazole.
- Examples of the active methylene compound include methyl acetoacetate, ethyl acetoacetate, acetylacetone, methyl malonate, ethyl malonate and the like.
- amidate compound (2) The amidate compound represented by the formula (2) (hereinafter referred to as the amidate compound (2)) will be described. Equation (2):
- B represents a substituted or unsubstituted hydrocarbon group.
- R 4 , R 5 , R 6 , R 9 , R 10 and R 11 are the same or different carbons which may be substituted with a hetero atom.
- number 1 ⁇ .R 7 and R 8 represents a hydrocarbon group having 20 are the same or different, and .R 4 indicating a hydrogen atom or a hydrocarbon group is ⁇ 1 carbon atoms which may have 20 substituted with a hetero atom
- R 5 , R 5 and R 6 , R 7 and R 8 , R 9 and R 10 , or R 10 and R 11 may be combined with the carbon atoms to which they are bonded to form a ring structure.
- Y is an integer of 1 or more and 20 or less.
- the group represented by CR 4 R 5 R 6 or the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- B is a substituted or unsubstituted hydrocarbon group, preferably a substituted or unsubstituted hydrocarbon group having 1 to 100 carbon atoms, and more preferably a substituted or unsubstituted hydrocarbon group.
- B is a substituted or unsubstituted aromatic hydrocarbon group, preferably a substituted or unsubstituted aromatic hydrocarbon group having 1 to 100 carbon atoms, and more preferably a substituted or unsubstituted aromatic hydrocarbon group having 1 carbon atom.
- the "substituted or unsubstituted hydrocarbon group” refers to (i) a hydrocarbon group which may have a substituent and (ii) a hydrocarbon group which may be substituted with a hetero atom. (iii) Contains a hydrocarbon group having a substituent and substituted with a hetero atom. Further, the "substituted or unsubstituted aromatic hydrocarbon group” includes (iv) an aromatic hydrocarbon group which may have a substituent and (v) an aromatic hydrocarbon which may be substituted with a hetero atom. It has a group, (vi) substituent, and contains an aromatic hydrocarbon group substituted with a hetero atom.
- the unsubstituted hydrocarbon group includes a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, a sec-butyl group, a tert-butyl group, a pentyl group, a hexyl group, a heptyl group and a decyl group.
- Examples thereof include a dodecyl group, an octadecyl group, a cyclopropyl group, a cyclopentyl group, a cyclohexyl group, a phenyl group, a naphthyl group, a benzyl group, a phenethyl group, a trill group and an allyl group.
- B is a hydrocarbon group having a substituent
- substituents include a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, an alkylamino group such as a methylamino group, and a dimethylamino group.
- Alkyloxy groups such as dialkylamino group, methoxy group, ethoxy group, aryloxy group such as phenoxy group and naphthyloxy group, aralkyloxy group such as benzyloxy group and naphthylmethoxy group, alkyl halide group such as trifluoromethyl group, Examples thereof include a nitro group, a cyano group, a sulfonyl group, an alkylcarbonylamino group, an alkyloxycarbonylamino group, a (alkylamino) carbonylamino group, a (dialkylamino) carbonylamino group and the like.
- the hydrocarbon group of B may be substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom and a sulfur atom.
- the hydrocarbon group of B is substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom, a sulfur atom, etc.
- the hydrocarbon group is, for example, -O-, -N ⁇ , -NH-,-. It has at least one group such as S-, -SO 2-, etc., and the hydrocarbon chain is interrupted by these groups.
- the alkyl moiety of the alkylamino group, dialkylamino group, alkoxy group, alkyl halide group, alkylcarbonylamino group, alkyloxycarbonylamino group, (alkylamino) carbonylamino group and (dialkylamino) carbonylamino group is methyl.
- Examples include 1 to 12 alkyl groups.
- the alkyl group preferably has 1 to 8 carbon atoms, and more preferably 1 or 2 carbon atoms.
- aryl portion of the aryloxy group examples include an aryl group having 6 to 10 carbon atoms.
- Specific examples of the aryl moiety include a phenyl group and a naphthyl group.
- Examples of the aralkyl portion of the aralkyloxy group include an aralkyl group having 7 to 12 carbon atoms. Specific examples of the aralkyl moiety include a benzyl group and a naphthylmethyl group.
- the number of substituents can be 1 to 5, preferably 1 to 3, and more preferably 1 or 2.
- R 7 and R 8 represent a hydrocarbon group having 1 to 20 carbon atoms which may be substituted with a hydrogen atom or a hetero atom, which is the same or different, and is preferably a hydrogen atom.
- y is an integer of 1 or more and 20 or less, preferably 1 to 6, more preferably 1 to 4, and particularly preferably 1 or 2.
- R 4 , R 5 , R 6 , R 9 , R 10 and R 11 are the same or different hydrocarbon groups having 1 to 20 carbon atoms which may be substituted with heteroatoms, preferably substituted with heteroatoms. May be substituted with a hydrocarbon group having 1 to 12 carbon atoms, more preferably a hydrocarbon group having 1 to 12 carbon atoms which may be substituted with a heteroatom, and more preferably substituted with a heteroatom having 1 to 6 carbon atoms. It is a hydrocarbon group which may be substituted, particularly preferably a hydrocarbon group having 1 to 4 carbon atoms which may be substituted with a heteroatom.
- hydrocarbon group examples include a methyl group, an ethyl group, a propyl group, an n-butyl group, an s-butyl group, a t-butyl group, a pentyl group, a neopentyl group, a hexyl group, an octyl group, a benzyl group, a phenyl group and the like. It is preferably a methyl group, an ethyl group, a neopentyl group or a phenyl group, and more preferably a methyl group or a neopentyl group.
- R 4 , R 5 , R 9 and R 10 have the same or different hydrocarbon groups having 1 to 4 carbon atoms which may be substituted with heteroatoms, but R 6 and R 11 Is preferably the same or different hydrocarbon group having 1 to 12 carbon atoms which may be substituted with a heteroatom.
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 may be combined with the carbon atoms to which they are bonded to form a ring structure.
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 form a ring structure together with the carbon atoms to which they are bonded, for example, the following equation ( It can have a benzoimidazolium ring structure as shown in 2x).
- R 4 , R 5 , R 6 , R 9 , R 10 , R 11 and y are as defined above.
- R w , R x , R y and R z are hydrogen, respectively. Indicates an atom or a hydrocarbon group having 1 to 20 carbon atoms.
- the group represented by CR 4 R 5 R 6 and the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- the group represented by CR 4 R 5 R 6 and the group represented by CR 9 R 10 R 11 may be an adamantyl group, for example, 1-adamantyl as represented by the following formula (IV). It may be a group.
- the amidate compound represented by the formula (2) is preferably an amidate compound represented by any one of the formula (2-1), the formula (2-2) or the formula (2-3). Equation (2-1):
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 are as defined above.
- the group represented by R 11 may be an adamantyl group.
- R 12 indicates a substituted or unsubstituted hydrocarbon group.
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are as defined above.
- the group represented by R 11 may be an adamantyl group.
- R 13 indicates a substituted or unsubstituted divalent hydrocarbon group.
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are as defined above.
- CR 4 R 5 R 6 group, CR The group represented by 9 R 10 R 11 may be an adamantyl group.
- E 1 , E 2 and E 3 are independently substituted or unsubstituted hydrocarbon groups, halogen atoms, alkylamino groups, and the like. Dialkylamino group, alkoxy group, aryloxy group, aralkylaryloxy group, nitro group, cyano group, sulfonyl group, (alkylamino) carbonylamino group, (dialkylamino) carbonylamino group or isocyanate group.
- F and g are shown. Each independently indicates an integer of 0 to 4. a and b are 0 or 1, respectively, and c, d and e each independently indicate an integer of 0 to 4. However, when f is 0, a Or at least one of b is 1.)
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , and R 11 are as defined above.
- the group represented by CR 4 R 5 R 6 and the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- R 12 is a substituted or unsubstituted hydrocarbon group, preferably a substituted or unsubstituted hydrocarbon group having 1 to 50 carbon atoms, more preferably a substituted or unsubstituted hydrocarbon group having 1 to 30 carbon atoms, particularly. It is preferably a substituted or unsubstituted hydrocarbon group having 1 to 12 carbon atoms.
- examples thereof include a propyl group, a cyclopentyl group, a cyclohexyl group, a phenyl group, a naphthyl group, a benzyl group, a phenethyl group, a tolyl group, an allyl group and the like, and a benzyl group and a phenyl group are preferable.
- R 12 has a substituent
- substituents include a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, an alkylamino group such as a methylamino group, and a dialkylamino group such as a dimethylamino group.
- Aalkyl groups such as methoxy group and ethoxy group, aryloxy group such as phenoxy group and naphthyloxy group, aralkyloxy group such as benzyloxy group and naphthylmethoxy group, alkyl halide group such as trifluoromethyl group, nitro group and cyano group.
- Examples thereof include a group, a sulfonyl group, an alkylcarbonylamino group, an alkyloxycarbonylamino group, a (alkylamino) carbonylamino group, a (dialkylamino) carbonylamino group, an isocyanate group and the like.
- the hydrocarbon group for R 12 is an oxygen atom, a nitrogen atom may be substituted with at least one hetero atom such as a sulfur atom.
- the hydrocarbon group When the hydrocarbon group is substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom, a sulfur atom, the hydrocarbon group is, for example, -O-, -N ⁇ , -NH-, -S-, It has at least one group, such as -SO 2- , and the hydrocarbon chain is interrupted by these groups.
- R 12 has a substituent, the number of substituents is preferably 1 to 5, more preferably 1 to 3, and even more preferably 1 to 2.
- the alkyl moiety of the alkylamino group, dialkylamino group, alkoxy group, alkyl halide group, alkylcarbonylamino group, alkyloxycarbonylamino group, (alkylamino) carbonylamino group, and (dialkylamino) carbonylamino group is methyl.
- the group is mentioned.
- the alkyl group preferably has 1 to 8 carbon atoms, and more preferably 1 or 2 carbon atoms.
- aryl portion of the aryloxy group examples include an aryl group having 6 to 10 carbon atoms.
- Specific examples of the aryl moiety include a phenyl group and a naphthyl group.
- Examples of the aralkyl portion of the aralkyloxy group include an aralkyl group having 7 to 12 carbon atoms. Specific examples of the aralkyl moiety include a benzyl group and a naphthylmethyl group.
- the number of substituents can be 1 to 5, preferably 1 to 3, and more preferably 1 or 2.
- R 12 is preferably a hydrocarbon group which may be substituted with a halogen atom or a hydrocarbon group which may be substituted with a hetero atom.
- a hydrocarbon group having 1 to 50 carbon atoms which may be substituted with a halogen atom or a hydrocarbon group having 1 to 50 carbon atoms which may be substituted with a heteroatom is more preferable, and a halogen atom is more preferable.
- hydrocarbon group having 1 to 12 carbon atoms which may be substituted with a hydrocarbon group of ⁇ 12 or a heteroatom.
- the hydrocarbon group is preferably an aromatic hydrocarbon group such as an aryl group or an arylalkyl group.
- R 12 the hydrocarbon group substituted with a halogen atom, for example, and the like chlorophenyl group.
- R 12 the hydrocarbon group having 1 to 20 carbon atoms which is substituted with a heteroatom, 2-methoxymethyl group, 2-ethoxymethyl group, such as 2- (dimethylamino) methyl group.
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are as defined above.
- the group represented by CR 4 R 5 R 6 and the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- R 13 is a substituted or unsubstituted divalent hydrocarbon group, preferably a substituted or unsubstituted divalent hydrocarbon group having 1 to 100 carbon atoms, and more preferably a substituted or unsubstituted divalent hydrocarbon group. It is a hydrocarbon group of 1 to 50, particularly preferably a substituted or unsubstituted divalent hydrocarbon group having 1 to 30 carbon atoms.
- examples of the substituent include a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, an alkylamino group such as a methylamino group, and a dimethylamino group.
- Alkyloxy group such as dialkylamino group such as group, alkoxy group such as methoxy group and ethoxy group, aryloxy group such as phenoxy group and naphthyloxy group, aralkyloxy group such as benzyloxy group and naphthylmethoxy group, halogenation of trifluoromethyl group and the like.
- Examples thereof include an alkyl group, a nitro group, a cyano group, a sulfonyl group, a (alkylamino) carbonylamino group, a (dialkylamino) carbonylamino group and an isocyanate group.
- the hydrocarbon group for R 13 is an oxygen atom, a nitrogen atom may be substituted with at least one hetero atom such as a sulfur atom.
- the hydrocarbon group When the hydrocarbon group is substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom, a sulfur atom, the hydrocarbon group is, for example, -O-, -N ⁇ , -NH-, -S-, It has at least one group, such as -SO 2- , and the hydrocarbon chain is interrupted by these groups.
- R 13 has a substituent, the number of substituents is preferably 1 to 5, more preferably 1 to 3, and even more preferably 1 to 2.
- R 13 is preferably a divalent hydrocarbon group which may be substituted with a halogen atom or a divalent hydrocarbon group which may be substituted with a hetero atom.
- a divalent hydrocarbon group having 1 to 50 carbon atoms which may be substituted with a halogen atom or a divalent hydrocarbon group having 1 to 50 carbon atoms which may be substituted with a heteroatom is more preferable.
- a divalent hydrocarbon group having 1 to 30 carbon atoms which may be substituted with a halogen atom or a divalent hydrocarbon group having 1 to 30 carbon atoms which may be substituted with a heteroatom particularly preferably.
- It is a divalent hydrocarbon group having 1 to 12 carbon atoms which may be substituted with a halogen atom or a divalent hydrocarbon group having 1 to 12 carbon atoms which may be substituted with a heteroatom.
- the alkyl moiety of the alkylamino group, dialkylamino group, alkoxy group, alkyl halide group, alkylcarbonylamino group, alkyloxycarbonylamino group, (alkylamino) carbonylamino group, and (dialkylamino) carbonylamino group is methyl.
- the group is mentioned.
- the alkyl group preferably has 1 to 8 carbon atoms, and more preferably 1 or 2 carbon atoms.
- aryl portion of the aryloxy group examples include an aryl group having 6 to 10 carbon atoms.
- Specific examples of the aryl moiety include a phenyl group and a naphthyl group.
- Examples of the aralkyl portion of the aralkyloxy group include an aralkyl group having 7 to 12 carbon atoms. Specific examples of the aralkyl moiety include a benzyl group and a naphthylmethyl group.
- the number of substituents can be 1 to 5, preferably 1 to 3, and more preferably 1 or 2.
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are as defined above.
- the group represented by CR 4 R 5 R 6 and the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- E 1 , E 2 and E 3 are independently substituted or unsubstituted hydrocarbon groups, halogen atoms, alkylamino groups, dialkylamino groups, alkoxy groups, aryloxy groups, aralkyloxy groups, nitro groups and cyanos.
- E 1 , E 2 or E 3 is a substituted or unsubstituted hydrocarbon group, preferably a substituted or unsubstituted hydrocarbon group having 1 to 50 carbon atoms, more preferably 1 to 30 substituted or unsubstituted hydrocarbon groups.
- E 1 , E 2 or E 3 is a hydrocarbon group having a substituent
- substituents include a halogen atom such as a fluorine atom, a chlorine atom, a bromine atom and an iodine atom, and an alkylamino such as a methylamino group.
- Dialkylamino group such as group, dimethylamino group, alkoxy group such as methoxy group and ethoxy group, aralkyloxy group such as benzyloxy group, alkyl halide group such as trifluoromethyl group, nitro group, cyano group, sulfonyl group, Examples thereof include a carbonylamino group such as an alkylcarbonylamino group, an alkyloxycarbonylamino group, a (alkylamino) carbonylamino group and a (dialkylamino) carbonylamino group.
- the hydrocarbon group of E 1 , E 2 or E 3 may be substituted with at least one hetero atom such as an oxygen atom, a nitrogen atom and a sulfur atom.
- the hydrocarbon group of E 1 , E 2 or E 3 is substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom, a sulfur atom
- the hydrocarbon group is, for example, -O-, -N ⁇ , -NH-, -S-, -SO 2-, etc., and the hydrocarbon chain is interrupted by these groups.
- the alkyl moiety of the alkylamino group, dialkylamino group, alkoxy group, alkyl halide group, alkylcarbonylamino group, alkyloxycarbonylamino group, (alkylamino) carbonylamino group and (dialkylamino) carbonylamino group is methyl.
- Examples include 1 to 12 alkyl groups.
- the alkyl group preferably has 1 to 8 carbon atoms, and more preferably 1 or 2 carbon atoms.
- aryl portion of the aryloxy group examples include an aryl group having 6 to 10 carbon atoms.
- Specific examples of the aryl moiety include a phenyl group and a naphthyl group.
- Examples of the aralkyl portion of the aralkyloxy group include an aralkyl group having 7 to 12 carbon atoms. Specific examples of the aralkyl moiety include a benzyl group and a naphthylmethyl group.
- the number of substituents can be 1 to 5, preferably 1 to 3, and more preferably 1 or 2.
- E 1 , E 2 or E 3 is a hydrocarbon group which may be substituted with a halogen atom or a hydrocarbon group which may be substituted with a heteroatom, preferably a carbon which may be substituted with a halogen atom.
- a hydrocarbon group having 1 to 50 carbon atoms which may be substituted with a hydrocarbon group of 1 to 50 or a heteroatom more preferably a hydrocarbon group having 1 to 30 carbon atoms which may be substituted with a halogen atom or It may be substituted with a hydrocarbon group having 1 to 30 carbon atoms which may be substituted with a heteroatom, particularly preferably a hydrocarbon group having 1 to 12 carbon atoms which may be substituted with a halogen atom or a heteroatom. It is a hydrocarbon group having 1 to 12 carbon atoms.
- the hydrocarbon group which may be substituted with a halogen atom or the hydrocarbon group which may be substituted with a hetero atom is preferably an aromatic hydrocarbon group such as an aryl group or an arylalkyl group. .. Specific examples of the hydrocarbon group of the hydrocarbon group optionally substituted with a halogen atom or the hydrocarbon group optionally substituted with a hetero atom include a methyl group, an ethyl group, a propyl group, an isopropyl group and a butyl group.
- Examples of the halogen atom when E 1 , E 2 or E 3 are hydrocarbon groups in which the halogen atom may be substituted include a fluorine atom, a chlorine atom, a bromine atom, an iodine atom and the like. Further, the hydrocarbon group of E 1, E 2 and E 3 is an oxygen atom, a nitrogen atom, may be substituted with a hetero atom such as a sulfur atom.
- the hydrocarbon group of E 1 , E 2 or E 3 is substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom, a sulfur atom
- the hydrocarbon group is, for example, -O-, -N ⁇ , -NH-, -S-, -SO 2-, etc., and the hydrocarbon chain is interrupted by these groups.
- Examples of the hydrocarbon group substituted with a halogen atom in E 1 , E 2 or E 3 include a chlorophenyl group and the like.
- the hydrocarbon group having 1 to 20 carbon atoms substituted with a hetero atom includes a 2-methoxymethyl group, a 2-ethoxymethyl group, a 2- (dimethylamino) methyl group and the like. Can be mentioned.
- examples of the halogen atom include a fluorine atom, a chlorine atom, a bromine atom and an iodine atom.
- E 1 , E 2 and E 3 are alkylamino groups, dialkylamino groups, alkoxy groups, (alkylamino) carbonylamino groups or (dialkylamino) carbonylamino groups
- these alkyl moieties include methyl, ethyl, and Examples thereof include linear or branched alkyl groups having 1 to 6 carbon atoms such as n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, and n-pentyl.
- the number of carbon atoms of the alkyl group is preferably 1 to 3, more preferably 1 or 2 carbon atoms.
- E 1 , E 2 and E 3 are aryloxy groups
- examples of the aryl portion of the aryloxy group include an aryl group having 6 to 10 carbon atoms.
- Specific examples of the aryl moiety include a phenyl group and a naphthyl group.
- examples of the aralkyl moiety of the aralkyloxy group include an aralkyl group having 7 to 12 carbon atoms.
- Specific examples of the aralkyl moiety include a benzyl group and a naphthylmethyl group.
- F and g independently indicate integers from 0 to 4.
- a and b are 0 or 1, respectively, and c, d, and e independently represent integers of 0 to 4, respectively. However, when f is 0, at least one of a or b is 1.
- amidate compound (2) examples include the following compounds.
- tBu is a t-butyl group
- tOct is a 1,1,3,3-tetramethylbutyl group
- 1Ad is a 1-adamantyl group
- Me is a methyl group
- Hept is a heptyl group
- 1EtPent is a 1-ethylpentyl group.
- n is an integer of 0 to 4.
- n is an integer of 0 to 4.
- amidate compound (2) the formulas (2-1-1) to (2-1-6), (2-1-7), (2-1-9), (2-1-10), ( 2-1-12), (2-1-13), (2-1-15), (2-1-37) to (2-1-45), (2-2-1) to (2-2-1) 2-3), compounds represented by (2-3-1) to (2-3-3), more preferably formulas (2-1-1), (2-1-2), (2). It is a compound represented by -3-2).
- the amidate compound (2) can be produced, for example, by the method shown below.
- Method 1 The imidazolium carboxylate represented by the formula (5) is reacted with the carbonate ester represented by the formula (6) (reaction 1), and the obtained reaction product is represented by the formula (10).
- Method of reacting an isocyanate compound (reaction 2) (Method 2)
- Method of reacting an imidazolium carboxylate with an isocyanate compound Method of reacting an imidazolium carboxylate with an isocyanate compound (Method 3) Reacting an imidazolium-2-carboxylate compound described in Patent Document 1 with an isocyanate compound.
- Method. (Method 4) A method for reacting an imidazolium-2-iriden compound with an isocyanate compound according to Structural Chemistry 2013, Vol. 24, pp. 2059-2068.
- reaction 1 The imidazolium carboxylate represented by the following formula (5) (hereinafter referred to as imidazolium carboxylate (5)) and the carbonate ester represented by the following formula (6) (hereinafter referred to as carbonate ester (6)). ) Is reacted.
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are as defined above, respectively.
- the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- R 14 indicates a hydrocarbon group having 1 to 20 carbon atoms which may be substituted with a hydrogen atom or a hetero atom.
- R 15 and R 16 represent hydrocarbon groups having 1 to 6 carbon atoms, which are the same or different. R 15 and R 16 form a ring structure together with the oxygen atom to which they are bonded. May be formed.
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are as defined above, respectively.
- the group represented by CR 4 R 5 R 6 and the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- R 14 represents a hydrocarbon group having 1 to 20 carbon atoms which may be substituted with a hydrogen atom or a heteroatom, and is preferably a hydrocarbon group having 1 to 20 carbon atoms which may be substituted with a heteroatom.
- the hydrocarbon group having 1 to 20 carbon atoms which may be substituted with a heteroatom is preferable, and the hydrocarbon group having 1 to 8 carbon atoms which may be substituted with a heteroatom is particularly preferable. It is a hydrocarbon group of 1 or 2 which may be used.
- hydrocarbon group of the hydrocarbon group having 1 to 20 carbon atoms which may be substituted with a hetero atom examples include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, a sec-butyl group and a tert-butyl group.
- Examples of the hetero atom in R 14 include a nitrogen atom, an oxygen atom, and a sulfur atom.
- the hydrocarbon group is substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom, a sulfur atom
- the hydrocarbon group is, for example, -O-, -N ⁇ , -NH-, -S-, It has at least one group, such as -SO 2- , and the hydrocarbon chain is interrupted by these groups.
- the hydrocarbon group is substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom, a sulfur atom, etc.
- the hydrocarbon group is substituted with an oxygen atom and the hydrocarbon chain is substituted with an —O— group. It is preferably interrupted.
- hydrocarbon group when the hydrocarbon group is substituted with at least one heteroatom such as an oxygen atom, a nitrogen atom, or a sulfur atom, a hydrocarbon group having a group such as -OH or -NH 2 is used. It may be formed.
- R 14 the hydrocarbon group having 1 to 20 carbon atoms which is substituted with a heteroatom, 2-methoxymethyl group, 2-ethoxymethyl group, such as 2- (dimethylamino) methyl group.
- two adjacent groups selected from the group consisting of R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , and R 11 are carbon atoms to which they are bonded.
- R 4 , R 5 , R 6 , R 9 , R 10 , R 11 , R 14 , R w , R x , R y , and R z are as defined above, respectively.
- the group represented by CR 4 R 5 R 6 and the group represented by CR 9 R 10 R 11 may be an adamantyl group. In this case, for example, as shown below. It can have a structure (5y) having a 1-adamantyl group.
- imidazolium carboxylate (5) examples include 1,3-di-tert-butyl imidazolium formate, 1,3-bis (1,1,3,3-tetramethylbutyl) imidazolium formate, and the like.
- 1,3-bis (1-adamantyl) imidazolium formate 1,3-Di-tert-butyl imidazolium acetate, 1,3-bis (1,1,3,3-tetramethylbutyl) imidazolium acetate, 1,3-bis (1-adamantyl) imidazolium acetate salt; 1,3-Di-tert-butyl imidazolium 2-ethylhexanoate, 1,3-bis (1,1,3,3-tetramethylbutyl) imidazolium 2-ethylhexanoate, 1,3-bis (1-adamantyl) imidazolium 2-ethylhexanoate; Preferred examples thereof include 1,3-dit-butyl imidazolium acetate and 1,3-bis (1,1,3,3-tetramethylbutyl) imidazolium acetate.
- imidazolium carboxylate (5) may be used.
- the imidazolium carboxylate (5) one obtained by a known method may be used, or one produced by a method described below may be used.
- a dicarbonyl compound represented by the following formula (7), an amine compound represented by the following formula (8x) and the following formula (8y), formaldehyde, and a carboxylic acid represented by the following formula (9) are reacted to form a formula (9).
- the imidazolium carboxylate of 5) is obtained. Equation (7):
- the dicarbonyl compound represented by the formula (7) is preferably glyoxal, diacetyl, 3,4-hexanedione, 2,3-pentandione, 2,3-. Heptandione, 5-methyl-2,3-hexanedione, 3-methyl-2,3-cyclopentanedione, 1,2-cyclohexanedione, 1-phenyl-1,2-propanedione, dibenzoyl, and more. Glyoxal and diacetyl are preferable, and glyoxal is more preferable.
- Examples of the amine compound represented by the formula (8x) (hereinafter referred to as the amine compound (8x)) and the amine compound represented by the formula (8y) (hereinafter referred to as the amine compound (8y)) include tert-butylamine. Examples thereof include 1,1,3,3-tetramethylbutylamine and 1-adamantylamine, and 1,1,3,3-tetramethylbutylamine is preferable.
- the carboxylic acid represented by the formula (9) is preferably formic acid, acetic acid, propionic acid, butyric acid, pentanoic acid, hexanoic acid, hepanoic acid, octanoic acid and 2-ethyl.
- an aqueous solution or an alcohol solution such as methanol or butanol may be used as it is.
- the amount of the amine compound (8x) and the amine compound (8y) (hereinafter, the amine compound (8x) and the amine compound (8y) are collectively referred to as the amine compound (8)) is usually the dicarbonyl compound (7).
- the amount of the amine compound (8) is 0.1 to 10 mol, preferably 0.5 to 3 mol, based on 1 mol. 2 mol of the amine compound (8) reacts with 1 mol of the dicarbonyl compound (7) to form 1 mol of the imidazolium carboxylate (5).
- the amine compound (8) when the amine compound (8) is less than 2 mol, the purpose is In addition to the imidazolium carboxylate (5), a polymer of the dicarbonyl compound (7) (raw material) and the dicarbonyl compound (7) is present. Further, when more than 2 mol of the amine compound (8) is used for 1 mol of the dicarbonyl compound (7), an excess amount of the amine compound (8) is present in addition to the target imidazolium carboxylate (8). become.
- the amidated compound (2) can also be obtained by using the imidazolium carboxylate (5) in which a compound other than these imidazolium carboxylates coexists.
- the group represented by CR 4 R 5 R 6 CR 9 It is a base represented by R 10 R 11.
- the compound represented by the formula (5) can be a mixture of the compounds represented by the following formulas (5-1), (5-2) and (5-3).
- R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11, and R 14 are as defined above, respectively.
- the group represented by CR 4 R 5 R 6 and the group represented by CR 9 R 10 R 11 may be an adamantyl group.
- the proportion of the compound represented by the formula (5-1), the compound represented by the formula (5-2), and the compound represented by the formula (5-3) in this mixture is the amine compound used in the reaction ( It depends on the ratio of 8x) and the amine compound (8y).
- the compound represented by the formula (5-1), the compound represented by the formula (5-2), and the compound represented by the formula (5-3) are all included in the imidazolium carboxylate (5). ..
- formaldehyde an aqueous solution or an alcohol solution such as methanol or butanol may be used as it is.
- the amount of formaldehyde used is usually 0.1 to 10 mol, preferably 0.5 to 5.0 mol, with respect to 1 mol of the dicarbonyl compound (9).
- the amount of the carboxylic acid (9) to be used is usually 0.1 to 10 mol, preferably 0.5 to 2 mol, and more preferably 1 to 1 mol with respect to 1 mol of the dicarbonyl compound (7). It is 5 mol.
- the optimum reaction temperature varies depending on the raw materials used, the solvent, etc., but is usually ⁇ 10 ° C. or higher, preferably 0 ° C. to 100 ° C.
- the reaction time is usually 0.1 to 48 hours, preferably 0.5 to 12 hours.
- the solvent may or may not be used.
- the solvent used is not particularly limited as long as it does not affect the reaction.
- Specific examples of the solvent include aromatic hydrocarbons such as toluene, benzene and xylene, aliphatic or alicyclic hydrocarbons such as methylcyclohexane, cyclohexane, hexane, heptane and octane, dichloromethane, chloroform, carbon tetrachloride, 1, Hydrocarbons such as 2-dichloroethane, ethers such as diethyl ether, tetrahydrofuran and 1,4-dioxane, lower alcohols such as methanol and ethanol, N, N-dimethylformamide, acetonitrile, water and the like are preferable.
- aromatic hydrocarbons such as toluene, benzene and xylene
- aliphatic or alicyclic hydrocarbons such as methylcyclohe
- the amount of the solvent used is usually 50 parts by mass or less, preferably 0.1 to 10 parts by mass, based on 1 part by mass of the dicarbonyl compound (7).
- the reaction may be carried out in an inert gas atmosphere that does not affect the reaction of nitrogen, argon, helium, etc.
- the imidazolium carboxylate (5) can be isolated by removing impurities (for example, unreacted raw materials) by washing with an organic solvent, concentrating the reaction solution, etc., and it is necessary. Depending on the situation, purification such as recrystallization may be performed.
- the carbonic acid ester (6) will be described.
- R 15 and R 16 represent the same or different hydrocarbon groups having 1 to 6 carbon atoms, preferably hydrocarbon groups having 1 to 4 carbon atoms, particularly preferably methyl groups. R 15 and R 16 may be combined with the oxygen atom to which they are bonded to form a ring structure.
- the hydrocarbon group having 1 to 6 carbon atoms include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, a sec-butyl group, a tert-butyl group, a pentyl group, a hexyl group and a phenyl group. Be done.
- the carbonate ester (6) include dialkyl carbonates such as dimethyl carbonate, diethyl carbonate, dipropyl carbonate, dibutyl carbonate, dipentyl carbonate and dihexyl carbonate, and alkylene carbonates such as ethylene carbonate, propylene carbonate and butylene carbonate, which are preferable. Is dimethyl carbonate, diethyl carbonate, dipropyl carbonate, dibutyl carbonate, and particularly preferably dimethyl carbonate.
- the amount of the carbonic acid ester (6) used is usually 1 mol or more, preferably 1 to 6 mol, with respect to 1 mol of the imidazolium carboxylate (5). Further, when the imidazolium carboxylate (5) contains an excess of carboxylic acid or water, they react with the carbonate ester (6), so that the excess carboxylic acid in the imidazolium carboxylate (5) is present. It is preferable to use 1 mol or more, preferably 1 to 6 mol, of the carbonic acid ester (6) in excess with respect to 1 mol of the total of acid and water.
- the solvent may or may not be used.
- the solvent used is not particularly limited as long as it does not affect the reaction.
- Specific examples of the solvent include monohydric alcohol solvents such as methanol, ethanol, propanol, butanol, pentanol, hexanol, 1-methoxy-2-propanol and ethoxyethanol, and polyol solvents such as ethylene glycol, propylene glycol and diethylene glycol.
- Glycol monoalkyl ether solvents such as dipropylene glycol monobutyl ether, dipropylene glycol monomethyl ether, tripropylene glycol monomethyl ether, aromatic hydrocarbon solvents such as toluene, benzene and xylene, methylcyclohexane, cyclohexane, hexane, heptane, octane and the like.
- Examples thereof include an aliphatic hydrocarbon solvent of the above, an ester solvent such as ethyl acetate and butyl acetate, a ketone solvent such as methyl ethyl ketone and 4-methyl-2-pentanone, and the like, preferably a monohydric alcohol solvent, and particularly preferably methanol.
- the amount of the solvent used is usually 50 parts by mass or less, preferably 10 parts by mass or less, based on 1 part by mass of the imidazolium carboxylate (5).
- the optimum temperature can vary depending on the raw materials used, the solvent, etc., and is usually room temperature or higher, preferably 20 to 200 ° C. In this specification, room temperature means about 20 ° C.
- the reaction time is usually 0.1 to 48 hours, preferably 1 to 24 hours.
- reaction 1 if necessary, the reaction may be carried out in an inert gas atmosphere that does not affect the reaction of nitrogen, argon, helium, or the like.
- the reaction solution may be concentrated and the solvent may be removed, if necessary. Further, when the carbonic acid ester (6) or the solvent remains in the reaction solution, the reaction solution can be concentrated to remove the carbonic acid ester (6) or the solvent.
- reaction product (R) The reaction product obtained in Reaction 1 (hereinafter, may be referred to as reaction product (R)) is reacted with an isocyanate compound represented by the formula (10) to produce an amidate compound (2).
- isocyanate compound (10) (hereinafter referred to as isocyanate compound (10)) will be described.
- the isocyanate compound (10) is preferably a compound represented by the following formulas (10-1), (10-2) and (10-3).
- polymer such as polymethylene polyphenyl polyisocyanate (Polymeric MDI) can also be used as the isocyanate compound (10).
- isocyanate compound (10) Specific examples of the isocyanate compound (10) are shown below. However, the present invention is not limited thereto. In the specific examples below, Me is a methyl group, iPr is an isopropyl group, Bu is an n-butyl group, Oct is an n-octyl group, and MeO is a methoxy group.
- n is as defined above.
- the isocyanate compound (10) is preferably a compound represented by the formulas (10-1-5), (10-1-19), (10-2-3), and (10-3-1), and more preferably the formula. It is a compound represented by (10-1-19) and (10-3-1).
- the isocyanate compound (10) may be a single type or a mixture of two or more types.
- the amount of the isocyanate compound (10) usually used is 0.8 mol or more, preferably 1 to 1 mol of the isocyanate group in the isocyanate compound (10) with respect to 1 mol of the imidazolium carboxylate (5).
- the reaction is carried out in an amount of 3 mol.
- the reaction temperature is not particularly limited, but is usually ⁇ 10 ° C. or higher, preferably 0 to 200 ° C., and more preferably 20 to 150 ° C.
- the reaction time is usually 0.1 to 48 hours, preferably 0.5 to 24 hours.
- an aromatic hydrocarbon solvent such as toluene, benzene, xylene, an aliphatic hydrocarbon solvent such as methylcyclohexane, cyclohexane, hexane, heptane, octane, butyl chloride, 1,2- Examples thereof include a halogenated hydrocarbon solvent such as dichloroethane, a halogenated aromatic hydrocarbon solvent such as chlorobenzene, an ester solvent such as ethyl acetate and butyl acetate, and a ketone solvent such as methyl ethyl ketone and 4-methyl-2-pentanone, which are preferable.
- an aromatic hydrocarbon solvent such as toluene, benzene, xylene, an aliphatic hydrocarbon solvent such as methylcyclohexane, cyclohexane, hexane, heptane, octane, butyl chloride, 1,2- Examples thereof include
- this solvent can be used as the solvent in the reaction 2, but the above solvent may be further added. In this case, a solvent different from that of Reaction 1 may be used.
- the amount of the solvent used is usually 50 parts by mass or less, preferably 0.1 parts by mass or more and 35 parts by mass or less, based on 1 part by mass of the imidazolium carboxylate (5).
- the reaction may be carried out in an inert gas atmosphere that does not affect the reaction of nitrogen, argon, helium, etc.
- the solvent can be obtained by concentrating or filtering the reaction solution to obtain the amidate compound (2), and if necessary, purification such as recrystallization or column preparative use may be performed.
- the amidate compound (2) functions suitably as a blocking agent dissociation catalyst for blocked polyisocyanate.
- a blocked polyisocyanate compound blocked with an oxime compound such as methyl ethyl keto oxime is used as a blocking agent dissociation catalyst, the oxime such as methyl ethyl keto oxime is dissociated to obtain a polyisocyanate, and an isocyanate reactive group described later is used. It has an excellent effect of promoting the reaction with the compound.
- the blending ratio of the blocked polyisocyanate compound and the amidate compound (2) is determined by the required physical properties and is not particularly limited, and is usually an amidate group of the amidate compound (2).
- (Mol) / [Effective isocyanate group (mol) of the blocked polyisocyanate compound] 0.001 to 0.5, preferably 0.01 to 0.1.
- the amidate group of the amidate compound (2) means a functional group represented by the following formula (A), and the effective isocyanate group of the block polyisocyanate compound is when the blocking agent is dissociated from the block polyisocyanate compound. It means an isocyanate group to be regenerated. Equation (A):
- R 4 to R 11 are as defined above, respectively.
- CR 4 R 5 R 6 or CR 9 R 10 R 11 may be an adamantyl group.
- the known catalyst for producing polyurethane is not particularly limited, and for example, dibutyltin dilaurate, dibutyltin di-2-ethylhexanate, dioctyltin dilaurate, dibutyltin diacetate, dibutyltin dioxide, dioctyltin dioxide, etc.
- Tin compounds such as tin acetylacetonate, tin acetate, tin octylate, tin laurate, bismuth compounds such as bismuth octylate, bismuth naphthenate, bismuth acetylacetonate, tetra-n-butyl titanate, tetraisopropyl titanate.
- Titanium compounds such as titanium terephthalate, triethylamine, N, N, N', N'-tetramethylethylenediamine, N, N, N', N'-tetramethylpropylenediamine, N, N, N', N ", N "-pentamethyldiethylenetriamine, N, N, N', N", N "-pentamethyldipropylenetriamine, N, N, N', N'-tetramethylguanidine, 1,3,5-tris (N, N-dimethylaminopropyl) hexahydro-S-triazine, 1,4-diazabicyclo [2.2.2] octane (DABCO), 1,8-diazabicyclo [5.4.0] undecene-7, triethylenediamine, N, N, N', N'-tetramethylhexamethylenediamine, N-methyl-N'-(2-dimethylaminoethyl) piperazine
- the additives are not particularly limited, and are, for example, ultraviolet absorbers such as hindered amines, benzotriazoles and benzophenones, color inhibitors such as perchlorates and hydroxylamines, hindered phenols and phosphorus.
- ultraviolet absorbers such as hindered amines, benzotriazoles and benzophenones
- color inhibitors such as perchlorates and hydroxylamines, hindered phenols and phosphorus.
- antioxidants such as type, sulfur type and hydrazide type, urethanization catalysts such as tin type, zinc type and amine type, leveling agents, leology control agents, pigment dispersants and the like.
- the pigment is not particularly limited, and for example, organic pigments such as quinacridone, azo, and phthalocyanine, inorganic pigments such as titanium oxide, barium sulfate, calcium carbonate, and silica, other carbon pigments, and metal foils. Pigments such as pigments and rust preventive pigments can be mentioned.
- the solvent is not particularly limited, and for example, hydrocarbons such as benzene, toluene, xylene, cyclohexane, mineral spirit and naphtha, ketones such as acetone, methyl ethyl ketone and methyl isobutyl ketone, ethyl acetate, butyl acetate and acetic acid.
- Esters such as cellosolves, alcohols such as methanol, ethanol, 2-propanol, butanol, 2-methoxyethanol, 2-ethoxyethanol, 2-butoxyethanol, ethylene glycol, propylene glycol, diethylene glycol, polyethylene glycol, glycerin and the like. Hypoalcohols, water and the like can be mentioned, and these solvents may be used alone or in combination of two or more.
- thermosetting resin composition of the present invention will be described.
- thermosetting resin composition of the present invention contains the blocked polyisocyanate composition of the present invention and a compound having an isocyanate-reactive group.
- Examples of the compound having an isocyanate-reactive group include a compound having two or more active hydrogen groups such as a polyol, a polyamine, and an alkanolamine.
- the compounds having these isocyanate-reactive groups may be a mixture of two or more kinds.
- the polyol is a compound having two or more hydroxyl groups.
- polyester polyol, polyether polyol, acrylic polyol, polyolefin polyol, fluorine polyol and the like can be mentioned.
- an acrylic polyol is preferable from the viewpoint of weather resistance, chemical resistance, and hardness.
- a polyester polyol is preferable from the viewpoint of mechanical strength and oil resistance.
- These polyols may be a mixture of two or more.
- polyether polyol examples include active hydrogen compounds such as aliphatic amine polyols, aromatic amine polyols, Mannig polyols, polyhydric alcohols, polyhydric phenols and bisphenols, and compounds obtained by adding alkylene oxide to them. These polyether polyols may be a mixture of two or more kinds.
- Examples of the aliphatic amine polyol include an alkylenediamine-based polyol and an alkanolamine-based polyol. These polyol compounds are polyfunctional polyol compounds having terminal hydroxyl groups to which at least one of cyclic ethers such as ethylene oxide and propylene oxide is ring-opened and added using alkylenediamine or alkanolamine as an initiator.
- alkylenediamine known compounds can be used without limitation. Specifically, it is preferable to use an alkylenediamine having 2 to 8 carbon atoms, such as ethylenediamine, propylenediamine, butylenediamine, hexamethylenediamine, and neopentyldiamine.
- These aliphatic amine polyols may be a mixture of two or more kinds.
- the aromatic amine polyol is a polyfunctional polyether polyol compound having a terminal hydroxyl group to which at least one of cyclic ethers such as ethylene oxide and propylene oxide is ring-opened and added using an aromatic diamine as an initiator.
- aromatic diamines can be used without limitation. Specific examples thereof include 2,4-toluenediamine, 2,6-toluenediamine, diethyltoluenediamine, 4,4'-diaminodiphenylmethane, p-phenylenediamine, o-phenylenediamine, naphthalenediamine and the like. Of these, the use of toluenediamine (2,4-toluenediamine, 2,6-toluenediamine or a mixture thereof) is particularly preferable.
- These aromatic amine polyols may be a mixture of two or more kinds.
- the Mannich polyol is obtained by ring-opening addition polymerization of an active hydrogen compound obtained by the Mannich reaction of phenol and / or an alkyl-substituted derivative thereof, formaldehyde and an alkanolamine, or at least one of ethylene oxide and propylene oxide on the compound. It is a polyol compound.
- These Mannich polyols may be a mixture of two or more.
- polyhydric alcohols examples include dihydric alcohols (for example, ethylene glycol, propylene glycol, 1,4-butanediol, 1,6-hexanediol, diethylene glycol, triethylene glycol, dipropylene glycol, neopentyl glycol, etc.) and trihydric alcohols.
- dihydric alcohols for example, ethylene glycol, propylene glycol, 1,4-butanediol, 1,6-hexanediol, diethylene glycol, triethylene glycol, dipropylene glycol, neopentyl glycol, etc.
- trihydric alcohols for example, glycerin, trimethylolpropane, pentaerythritol, methylglucoside, sorbitol, sucrose, etc.
- These polyhydric alcohols may be a mixture of two or more kinds.
- polyvalent phenol examples include pyrogallol, hydroquinone and the like. These polyvalent phenols may be a mixture of two or more kinds.
- bisphenols examples include bisphenol A, bisphenol S, bisphenol F, and low condensates of phenol and formaldehyde. These bisphenols may be a mixture of two or more kinds.
- the polyester polyol can be obtained, for example, by subjecting a dibasic acid alone or a mixture of two or more kinds to a condensation reaction of a polyhydric alcohol alone or a mixture of two or more kinds.
- the dibasic acid include carboxylic acids such as succinic acid, adipic acid, dimer acid, maleic anhydride, phthalic acid anhydride, isophthalic acid, terephthalic acid, and 1,4-cyclohexanedicarboxylic acid.
- polyhydric alcohol examples include ethylene glycol, propylene glycol, diethylene glycol, 1,4-butanediol, neopentyl glycol, 1,6-hexanediol, trimethylpentanediol, cyclohexanediol, trimethylolpropane, glycerin, and pentaerythritol. , 2-Methylolpropanediol, ethoxylated trimethylolpropane and the like.
- the condensation reaction can be carried out by mixing the above components and heating at about 160 to 220 ° C.
- polyester polyol polycaprolactones obtained by ring-opening polymerization of lactones such as ⁇ -caprolactone with a polyhydric alcohol can also be used as the polyester polyol.
- These polyester polyols can be modified with aromatic diisocyanates, aliphatic diisocyanates, alicyclic diisocyanates, polyisocyanates obtained from them, and the like.
- the polyester polyol is preferably modified with an aliphatic diisocyanate, an alicyclic diisocyanate, and a polyisocyanate obtained from these.
- thermosetting resin composition of the present embodiment When the thermosetting resin composition of the present embodiment is used as a water-based base coating material, a part of carboxylic acid derived from dibasic acid or the like in the polyester polyol is left, and a base such as amine or ammonia is used. By adding, the polyester polyol can be made into a water-soluble or water-dispersible resin.
- the polyether polyol can be obtained, for example, by using any of the following methods (1) to (3).
- Examples of the catalyst include hydroxides (lithium, sodium, potassium, etc.), strong basic catalysts (alcolate, alkylamine, etc.), complex metallic cyanide compound complexes (metal porphyrin, zinc hexacyanocobalate complex, etc.) and the like. Be done.
- Examples of the alkylene oxide include ethylene oxide, propylene oxide, butylene oxide, cyclohexene oxide, and styrene oxide.
- polyamine compound examples include ethylenediamines.
- alkylene oxide examples include those similar to those exemplified in (1).
- the multivalent hydroxy compound include the following (i) to (vi).
- Tetrasaccharides such as stachyose.
- the acrylic polyol is, for example, a polymerizable monomer having one or more active hydrogens in one molecule, or a polymerizable monomer having one or more active hydrogens in one molecule, and the above-mentioned, if necessary. It can be obtained by copolymerizing a polymerizable monomer with another copolymerizable monomer.
- Examples of the polymerizable monomer having one or more active hydrogens in one molecule include the following (i) to (vi). These may be used alone or in combination of two or more types.
- Examples of other monomers copolymerizable with the polymerizable monomer include the following (i) to (iv). These may be used alone or in combination of two or more types.
- Metala acrylic acid esters such as isobutyl, methacrylic acid-n-hexyl, cyclohexyl methacrylate, lauryl methacrylate, and glycidyl methacrylate.
- Unsaturated amides such as acrylic acid, methacrylic acid, maleic acid and itaconic acid (unsaturated carboxylic acids such as acrylamide, N-methylolacrylamide and diacetoneacrylamide).
- Vinyl monomers having a hydrolyzable silyl group such as vinyltrimethoxysilane, vinylmethyldimethoxysilane, and ⁇ - (meth) acrylopropyltrimethoxysilane.
- Other polymerizable monomers such as styrene, vinyltoluene, vinyl acetate, acrylonitrile, dibutyl fumarate and the like.
- the above-mentioned monomer component is solution-polymerized in the presence of a known radical polymerization initiator such as a peroxide or an azo compound, and if necessary.
- a known radical polymerization initiator such as a peroxide or an azo compound
- examples thereof include a method of obtaining an acrylic polyol by diluting with an organic solvent or the like.
- thermosetting resin composition of the present embodiment When the thermosetting resin composition of the present embodiment is used as an aqueous base coating material, a known method such as a method of solution-polymerizing the above-mentioned monomer component to convert it into an aqueous layer or an emulsion polymerization is used.
- a known method such as a method of solution-polymerizing the above-mentioned monomer component to convert it into an aqueous layer or an emulsion polymerization is used.
- it is possible to impart water solubility or water dispersibility to the acrylic polyol by neutralizing an acidic portion such as a carboxylic acid-containing monomer such as acrylic acid or methacrylic acid or a sulfonic acid-containing monomer with amine or ammonia. can.
- polystyrene resin examples include polybutadiene having two or more hydroxyl groups, hydrogenated polybutadiene having two or more hydroxyl groups, and hydrogenated polyisoprene having two or more hydroxyl groups. Further, in the polyolefin polyol, the number of hydroxyl groups is preferably 3 because higher coating film strength can be obtained.
- fluorine polyol means a polyol containing fluorine in the molecule.
- fluorine polyol include fluoroolefins, cyclovinyl ethers, hydroxyalkyl vinyl ethers, monocarboxylic acid vinyl esters, etc. disclosed in JP-A-57-34107 and JP-A-61-275311. Examples thereof include copolymers.
- the lower limit of the hydroxyl value of the polyol is preferably 10 mgKOH / g or more, more preferably 20 mgKOH / g or more, and even more preferably 30 mgKOH / g or more.
- the upper limit of the hydroxyl value of the polyol is not particularly limited, and may be, for example, 200 mgKOH / g or less. That is, the hydroxyl value of the polyol is preferably 10 mgKOH / g or more and 200 mgKOH / g or less, more preferably 20 mgKOH / g or more and 200 mgKOH / g or less, and further preferably 30 mgKOH / g or more and 200 mgKOH / g or less. preferable.
- the acid value of the polyol is preferably 0 mgKOH / g or more and 30 mgKOH / g or less.
- the hydroxyl value and acid value can be measured according to JIS K1557.
- the molar equivalent ratio (NCO / OH) of the isocyanate group of the above-mentioned blocked polyisocyanate composition to the hydroxyl group of the polyol is preferably 0.2 or more and 5.0 or less, more preferably 0.4 or more and 3.0 or less. More preferably, it is 0.5 or more and 2.0 or less.
- polyamine those having two or more primary amino groups or secondary amino groups in one molecule are used, and among them, those having three or more in one molecule are preferable.
- polyamines include diamines such as ethylenediamine, propylenediamine, butylenediamine, triethylenediamine, hexamethylenediamine, 4 and 4'-diaminodicyclohexylmethane, piperazin, 2-methylpiperazine and isophoronediamine, and bishexamethylenetriamine.
- Chain polyamines having three or more amino groups such as diaminetriamine, triethylenetetramine, tetraethylenepentamine, pentamethylenehexamine, tetrapropylenepentamine, 1,4,7,10,13,16-hexaazacyclooctadecane , 1,4,7,10-tetraazacyclodecane, 1,4,8,12-tetraazacyclopentadecane, 1,4,8,11-tetraazacyclotetradecane and other cyclic polyamines.
- the alkanolamine means a compound having an amino group and a hydroxyl group in one molecule.
- alkanolamines include monoethanolamine, diethanolamine, aminoethylethanolamine, N- (2-hydroxypropyl) ethylenediamine, mono-, di- (n- or iso-) propanolamine, and ethylene glycol-bis-propylamine. , Neopentanolamine, methylethanolamine and the like.
- the thermosetting resin composition of the present embodiment may contain a melamine-based curing agent such as a completely alkyl type, a methylol type, or an alkylamino group type alkyl, if necessary.
- thermosetting resin composition of the present embodiment may contain an organic solvent.
- the compound having an isocyanate-reactive group and the above-mentioned blocked polyisocyanate composition may contain an organic solvent.
- the organic solvent is preferably one that is compatible with the above-mentioned blocked polyisocyanate composition.
- organic solvent examples include hydrocarbons such as benzene, toluene, xylene, cyclohexane, mineral spirit, and naphtha, ketones such as acetone, methyl ethyl ketone, and methyl isobutyl ketone, ethyl acetate, butyl acetate, and cellosolve acetate.
- Alcohols such as esters, methanol, ethanol, 2-propanol, butanol, 2-methoxyethanol, 2-ethoxyethanol, 2-butoxyethanol, polyhydric alcohols such as ethylene glycol, propylene glycol, diethylene glycol, polyethylene glycol and glycerin. , Water, etc., and these solvents may be used alone or in combination of two or more.
- thermosetting resin composition of the present embodiment can be used as an aqueous thermosetting resin composition dissolved or dispersed in water.
- the thermosetting resin composition of the present invention in order to improve the miscibility of the thermosetting resin composition, the blocked polyisocyanate composition of the present invention is used.
- a surfactant, a solvent that tends to be miscible with water, or the like may be used.
- Surfactants include, for example, anionic groups such as aliphatic slakes, loginate slakes, alkyl sulfonates, dialkylaryl sulfonates, alkyl sulfosuccinates, polyoxyethylene alkyl sulphates, and polyoxyethylene alkyl aryl sulphates.
- anionic groups such as aliphatic slakes, loginate slakes, alkyl sulfonates, dialkylaryl sulfonates, alkyl sulfosuccinates, polyoxyethylene alkyl sulphates, and polyoxyethylene alkyl aryl sulphates.
- nonionic surfactants such as surfactants, polyoxyethylene alkyl ethers, polyoxyethylene alkyl aryl ethers, and polyoxyethylene oxypropylene block copolymers.
- solvents that tend to be compatible with water
- diethylene glycol dimethyl ether diethylene glycol diethyl ether
- propylene glycol monomethyl ether acetate propylene glycol monomethyl ether
- propylene glycol dimethyl ether propylene glycol dimethyl ether
- dipropylene glycol dimethyl ether dipropylene glycol dimethyl ether
- isobutanol butyl glycol
- N-methyl examples thereof include pyrrolidone, butyl diglycol and butyl diglycol acetate.
- diethylene glycol dimethyl ether, diethylene glycol diethyl ether, propylene glycol monomethyl ether, propylene glycol dimethyl ether, dipropylene glycol dimethyl ether, isobutanol, butyl glycol, N-methylpyrrolidone, and butyl diglycol are preferable, and diethylene glycol dimethyl ether, diethylene glycol diethyl ether, Propylene glycol dimethyl ether and dipropylene glycol dimethyl ether are more preferable.
- These solvents may be used alone or in combination of two or more. Further, a solvent for esters such as ethyl acetate, -n-butyl acetate and cellosolve acetate is not preferable because the solvent itself may be hydrolyzed during storage.
- the blending ratio of the blocked polyisocyanate composition and the compound having an isocyanate-reactive group is determined by the required physical properties and is not particularly limited, and is usually [blocked polyisocyanate].
- the amount of effective isocyanate groups of the blocked polyisocyanate compound in the composition (mol)] / [amount of active hydrogen groups of the compound having an isocyanate-reactive group (mol)] 0.2 to 5, preferably in the range of 0.2 to 5. It is in the range of 0.5 to 3.
- the effective isocyanate group of the blocked polyisocyanate compound means an isocyanate group that is regenerated when the blocking agent is dissociated from the blocked polyisocyanate compound.
- thermosetting resin composition of the present invention if necessary, known catalysts for polyurethane production, additives, pigments and the like commonly used in the art can be used and mixed with known blocked polyisocyanates. You may use it.
- the known catalyst for producing polyurethane is not particularly limited, and for example, dibutyltin dilaurate, dibutyltin di-2-ethylhexanate, dioctyltin dilaurate, dibutyltin diacetate, dibutyltin dioxide, dioctyltin dioxide, etc.
- Tin compounds such as tin acetylacetonate, tin acetate, tin octylate, tin laurate, bismuth compounds such as bismuth octylate, bismuth naphthenate, bismuth acetylacetonate, tetra-n-butyl titanate, tetraisopropyl titanate.
- Titanium compounds such as titanium terephthalate, triethylamine, N, N, N', N'-tetramethylethylenediamine, N, N, N', N'-tetramethylpropylenediamine, N, N, N', N ", N "-pentamethyldiethylenetriamine, N, N, N', N", N "-pentamethyldipropylenetriamine, N, N, N', N'-tetramethylguanidine, 1,3,5-tris (N, N-dimethylaminopropyl) hexahydro-S-triazine, 1,4-diazabicyclo [2.2.2] octane (DABCO), 1,8-diazabicyclo [5.4.0] undecene-7, triethylenediamine, N, N, N', N'-tetramethylhexamethylenediamine, N-methyl-N'-(2-dimethylaminoethyl) piperazine
- the additive is not particularly limited, and is, for example, an ultraviolet absorber such as a hindered amine type, a benzotriazole type or a benzophenone type, a color inhibitor such as a perchlorate type or a hydroxylamine type, a hindered phenol type or phosphorus.
- Antioxidants such as type, sulfur type, hydrazide type, urethanization catalysts such as tin type, zinc type, amine type, other leveling agents, defoaming agents, rheology control agents, thixotropy-imparting agents, thickeners, etc. Examples thereof include various additives used in the art such as stabilizers, plasticizers, surfactants, coupling agents, flame retardants, rust preventives, fluorescent whitening agents and pigment dispersants.
- the pigment is not particularly limited, and for example, organic pigments such as quinacridone, azo, and phthalocyanine, inorganic pigments such as titanium oxide, barium sulfate, calcium carbonate, and silica, other carbon pigments, and metal foils. Pigments such as pigments and rust preventive pigments can be mentioned.
- Examples of the known blocked polyisocyanate include a blocked polyisocyanate obtained by reacting a polyisocyanate with a known blocking agent.
- Known blocking agents include, for example, phenolic compounds such as phenol, thiophenol, methylthiophenol, xylenol, cresol, resorcinol, nitrophenol, and chlorophenol, oxime compounds such as acetone oxime, methyl ethyl ketone oxime, and cyclohexanone oxime, methanol, and ethanol.
- N-propyl alcohol isopropyl alcohol, n-butyl alcohol, isobutyl alcohol, t-butyl alcohol, t-pentanol, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, benzyl alcohol Alcohol-based compounds such as 3,5-dimethylpyrazole, 1,2-pyrazole and other pyrazole-based compounds, 1,2,4-triazole and other triazole-based compounds, ethylene chlorohydrin, 1,3-dichloro-2- Halogen-substituted alcohol compounds such as propanol, lactam compounds such as ⁇ -caprolactam, ⁇ -valerolactam, ⁇ -butyrolactam, ⁇ -propyllactam, methyl acetoacetate, ethyl acetoacetate, acetylacetone, methyl malonate, ethyl
- thermosetting resin composition of the present invention is used for automobiles, buildings, metal products such as steel furniture, woodworking products such as musical instruments, mechanical vehicles such as construction machines, building materials such as sashes, and office machines. Paints for electric appliances such as, coating materials for artificial leather and rubber rolls, inks, adhesives, adhesives, sealing materials for electronic parts, sealing materials for automobiles and buildings, etc. It can be used as a molding material for the above.
- thermosetting resin composition of the present invention Next, a method for curing the thermosetting resin composition of the present invention will be described.
- thermosetting resin composition which is a mixture of the block polyisocyanate composition and a compound having an isocyanate-reactive group, is heated.
- the reaction temperature varies depending on the blocked polyisocyanate compound and the amidate compound (2) in the blocked polyisocyanate composition used, but can be about 60 to 250 ° C., preferably about 80 to 200 ° C.
- the reaction time can be about 30 seconds to 5 hours, preferably about 1 minute to 60 minutes.
- the cured product of the present invention can be produced by passing through the above-mentioned curing method of the thermosetting resin composition of the present invention.
- thermosetting resin composition Composition of the thermosetting resin composition
- the solvent here includes the solvent used for diluting the blocked polyisocyanate compound.
- the effective NCO group (mol) and hydroxyl group (mol) were calculated from the following formulas.
- Step 2 In a 5 L pressure-resistant container, 1070.1 g (pure content: 828.6 g, 2.35 mol), 1069.5 g of toluene, and 756.0 g (8.39 mol) of dimethyl carbonate obtained in step 1 were charged and replaced with nitrogen. Was done. Then, the mixture was stirred at 120 ° C. for 15 hours. After stirring, the obtained reaction mixture was concentrated under reduced pressure to 1043.5 g, and toluene was added thereto to obtain 2058.6 g of a toluene solution.
- Step 3 1700.2 g of the toluene solution obtained in Step 2 and 807.4 g of toluene were charged into a nitrogen-substituted 3 L 4-port reactor, and the mixture was heated under reflux. 229.7 g (1.93 mol) of phenyl isocyanate was added dropwise to the reaction solution after heating and refluxing over 2 hours, and the mixture was stirred for 10 hours. After stirring, the obtained reaction mixture was concentrated to 1433.1 g, 761.0 g of heptane was added, and the mixture was heated to 50 ° C. to dissolve all the solids to prepare a mixed solution. Next, the obtained mixed solution was cooled from 50 ° C. to 30 ° C.
- Step 2 In a 180 mL pressure-resistant container, 40.0 g of the reaction product containing 1,3-bis-tert-butylimidazolium acetate obtained in step 1 and 52.6 g (0.58 mol) of dimethyl carbonate were charged and subjected to nitrogen substitution. rice field. Then, the mixture was stirred at 120 ° C. for 6 hours. After stirring, the obtained reaction mixture was concentrated under reduced pressure to obtain a black solid. The obtained black solid was washed with 100.0 g of acetone to obtain 38.6 g of a white solid.
- Step 3 10.0 g of the white solid and 40.0 g of chlorobenzene obtained in Step 2 were charged into a 100 mL three-mouth reactor replaced with nitrogen, and the mixture was heated under reflux. After refluxing by heating, a mixed solution of 5.9 g (0.043 mol) of phenyl isocyanate and 10.0 g of chlorobenzene was added dropwise to the reactor over 10 minutes, and the mixture was stirred for 1 hour. After stirring, the obtained reaction mixture was filtered, the filter residue was washed with 50.0 g of heptane, and 7.84 g (0.017 mmol, from step 1) of the composition containing the compound represented by the above formula (DtBIm_PI) was added.
- DtBIm_PI 7.84 g (0.017 mmol, from step 1) of the composition containing the compound represented by the above formula
- Step 2 24.8 g of the reaction product containing 1,3-bis (1,1,3,3-tetramethylbutyl) imidazolium acetate obtained in step 1 and 27.0 g of dimethyl carbonate (0.) in a 180 mL pressure-resistant container. 297 mol) and 30.0 g of toluene were charged and subjected to nitrogen substitution. Then, the mixed solution in the pressure-resistant container was stirred at 120 ° C. for 6 hours.
- Step 3 10.4 g of the dark brown solid obtained in Step 2 and 40.0 g of chlorobenzene were charged into a 100 mL three-mouth reactor replaced with nitrogen, and the mixture was heated under reflux. The mixed solution after heating and refluxing was cooled to 60 ° C., and a mixed solution of 3.9 g (0.032 mol) of phenyl isocyanate and 12.2 g of chlorobenzene was added dropwise thereto over 10 minutes, and the mixture was stirred at 60 ° C. for 1 hour.
- Production Example A-4 Synthesis of DtOIm_crMDI 5.0 g of the dark brown solid and 20.0 g of chlorobenzene obtained in step 2 of Production Example A-3 were charged into a 100 mL three-mouth reactor replaced with nitrogen, and the mixture was heated under reflux. After heating and refluxing, 1.52 g (NCO group 0.012 mol) of Polymeric MDI (Sumidur44V20: solid content 100%, NCO group content 32.0%, manufactured by Sumika Cobestrourethane Co., Ltd.), chlorobenzene 5. 0 g of the mixed solution was added dropwise over 10 minutes, and the mixture was stirred for 1 hour.
- Polymeric MDI Sudidur44V20: solid content 100%, NCO group content 32.0%, manufactured by Sumika Cobestrourethane Co., Ltd.
- Step 2 a methanol solution of 1-octyl-3-methylimidazolium-2-carboxylate (hereinafter abbreviated as OMIm-CO 2) (pure content). 33.0 g, 139 mmol, yield 99%).
- OMIm-CO 2 1-octyl-3-methylimidazolium-2-carboxylate
- Step 2 4.0 g (pure 13 mmol) of the methanol solution of OMIm-CO 2 obtained in step 2, 1.5 g (13 mmol) of phenyl isocyanate, and 100 mL of toluene were charged into a nitrogen-substituted 200 mL test tube, and the obtained mixture was heated at internal temperature. The mixture was stirred at 110 ° C. for 3 hours.
- the obtained Biuret-type HDI MEKO block body, polyester polyol (P-510, manufactured by Kuraray Co., Ltd.), and DtBIm_PI obtained in Production Example A-1 were added. Further, MIBK was added so that the amount of the solvent was 1.0 times by weight with respect to the blocked polyisocyanate compound, and the mixture was stirred for 30 minutes to prepare a thermosetting resin composition.
- thermosetting resin composition About 0.6 mL of the prepared thermosetting resin composition was poured onto a hot plate of an automatic curing time measuring device that had been preheated to a predetermined temperature, and the mixture was stirred. At that time, the time from the state where the stirring torque is less than 1% (0.04 mN ⁇ m) immediately after the start of stirring to the time when the stirring torque exceeds 20% (0.86 mN ⁇ m) is defined as the curing time, and is 150 ° C. to 80 ° C. The curing time at each temperature up to was measured, and the minimum temperature of curing within 30 minutes was derived. The results are shown in Table 1.
- Example 1 a thermosetting resin composition was prepared in the same manner as in Example 1 except that the blocking agent dissociation catalyst was changed to that shown in Table 1 instead of DtBIm_PI, and the curing time at each temperature was measured. The minimum temperature of curing was derived within 30 minutes. The results are shown in Table 1.
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Abstract
Description
近年ではエネルギーコストの削減や耐熱性の低い樹脂材料への加工を目的として、より低温での硬化が要求されている。
硬化温度を下げる目的で、触媒が添加されることもあり、触媒として使用されている化合物としては、ジブチル錫ジラウレート(以下、DBTDLという。)などの錫化合物が一般に知られている。
上記のブロック剤を使用して形成されたブロックポリイソシアネート化合物と錫化合物を含有する熱硬化性樹脂組成物では、通常120℃以上の硬化温度を要する。
また、ブロック剤解離触媒としては下記構造式で示される1-メチル-3-n-オクチルイミダゾリウム-2-N-フェニルアミデートが知られている(特許文献1)。
このことから、低温硬化性に優れるブロックポリイソシアネート組成物並びに該ブロックポリイソシアネート組成物を含有する熱硬化性樹脂組成物及びその硬化物を提供することを課題とする。
〔1〕
ブロックポリイソシアネート化合物及び下記式(2)で表されるアミデート化合物を含有するブロックポリイソシアネート組成物。
式(2):
〔2〕
式(2)のBが置換若しくは無置換の芳香族炭化水素基である、〔1〕に記載のブロックポリイソシアネート組成物。
〔3〕
R4、R5、R9及びR10が、同一または異なって、ヘテロ原子で置換されていても良い炭素数1~6の炭化水素基である、〔1〕又は〔2〕に記載のブロックポリイソシアネート組成物。
〔4〕
式(2)のR6及びR11が、同一または異なって、ヘテロ原子で置換されていても良い炭素数1~12の炭化水素基である、〔1〕~〔3〕のいずれか1項に記載のブロックポリイソシアネート組成物。
〔5〕
式(2)のR7及びR8が水素原子である、〔1〕~〔4〕のいずれか1項に記載のブロックポリイソシアネート組成物。
〔6〕
式(2)で表されるアミデート化合物が下記式
で表される5種の化合物のいずれかである、〔1〕に記載のブロックポリイソシアネート組成物。
〔7〕
前記ブロックポリイソシアネート化合物がブロック剤とポリイソシアネートの反応生成物であり、前記ブロック剤がオキシム系ブロック剤である、〔1〕~〔6〕のいずれか1項に記載のブロックポリイソシアネート組成物。
〔8〕
前記ブロックポリイソシアネート化合物がブロック剤とポリイソシアネートの反応生成物であり、前記ブロック剤がメチルエチルケトンオキシムである〔1〕~〔6〕のいずれか1項に記載のブロックポリイソシアネート組成物。
〔9〕
〔1〕~〔8〕のいずれか1項に記載のブロックポリイソシアネート組成物、及びイソシアネート反応性基を有する化合物を含む熱硬化性樹脂組成物。
〔10〕
イソシアネート反応性基を有する化合物がポリオール化合物である、〔9〕に記載の熱硬化性樹脂組成物。
〔11〕
〔9〕又は〔10〕に記載の熱硬化性樹脂組成物を硬化してなる硬化物。
〔12〕
〔9〕又は〔10〕に記載の熱硬化性樹脂組成物を加熱して硬化させる工程を含む硬化物の製造方法。
本発明のブロックポリイソシアネート組成物はブロックポリイソシアネート化合物と式(2)で表されるアミデート化合物を含有する。
(i)脂肪族ポリイソシアネート、
(ii)脂環式ポリイソシアネート、
(iii)芳香族ポリイソシアネート、
(iv)芳香脂肪族ポリイソシアネート、
(v)脂肪族ポリイソシアネート、脂環式ポリイソシアネート、芳香族ポリイソシアネート及び芳香脂肪族ポリイソシアネートからなる群から選ばれる少なくとも1種から形成された変性イソシアネート。
これらのポリイソシアネートは単独であっても、2種以上が混合されたものであっても良い。
ビウレット結合を有するポリイソシアネートは、例えば、下記に示す1,6-ヘキサメチレンジイソシアネート(HDI)のビウレット変性体、イソホロンジイソシアネート(IPDI)のビウレット変性体、トルエンジイソシアネート(TDI)のビウレット変性体が挙げられ、市販されている製品としては、住化コベストロウレタン株式会社製のデスモジュールN75、デスモジュールN100、デスモジュールN3200や旭化成株式会社製のデュラネート24A-100、デュラネート22A-75P、デュラネート21S-75Eなどが挙げられる。
上記イソシアヌレート化反応の触媒としては、一般に塩基性を有するものが好ましい。
上記触媒の例としては、
(1)テトラメチルアンモニウム、テトラエチルアンモニウム、トリメチルベンジルアンモニウム等のテトラアルキルアンモニウムのハイドロオキサイドや、例えば、酢酸、カプリン酸等の有機弱酸塩、
(2)トリメチルヒドロキシプロピルアンモニウム、トリメチルヒドロキシエチルアンモニウム、トリエチルヒドロキシプロピルアンモニウム、トリエチルヒドロキシエチルアンモニウム等のヒドロキシアルキルアンモニウムのハイドロオキサイドや、例えば酢酸、カプリン酸等の有機弱酸塩、
(3)アルキルカルボン酸の例えば錫、亜鉛、鉛等の金属塩、
(4)ナトリウム、カリウム等の金属アルコラート、
(5)ヘキサメチルジシラザン等のアミノシリル基含有化合物、
(6)マンニッヒ塩基類、
(7)第3級アミン類とエポキシ化合物との併用、
(8)トリブチルホスフィン等の燐系化合物
等が挙げられ、2種以上を併用してもよい。
上記触媒が塗料または塗膜物性に悪影響を及ぼす可能性がある場合には、該触媒を酸性化合物などで中和してもよい。上記酸性化合物としては、例えば、塩酸、亜燐酸、燐酸などの無機酸、メタンスルホン酸、p-トルエンスルホン酸、p-トルエンスルホン酸メチルエステル、p-トルエンスルホン酸エチルエステル等のスルホン酸またはその誘導体、燐酸エチル、燐酸ジエチル、燐酸イソプロピル、燐酸ジイソプロピル、燐酸ブチル、燐酸ジブチル、燐酸2-エチルヘキシル、燐酸ジ(2-エチルヘキシル)、燐酸イソデシル、燐酸ジイソデシル、オレイルアシッドホスフェート、テトラコシルアシッドホスフェート、エチルグリコールアシッドホスフェート、ピロリン酸ブチル、亜燐酸ブチル等があり、2種以上を併用してもよい。
ウレタン結合を有するポリイソシアネートは、例えば、下記に示すHDIとTMPの反応物、IPDIとTMPの反応物、TDIとTMPの反応物が挙げられ、市販されている製品としては、住化コベストロウレタン株式会社製のスミジュールN3300、デスモジュール3900、デスモジュールZ4470BA、デスモジュールXP2763、デスモジュールIL1351BA、デスモジュールHLBAや旭化成株式会社製のデュラネートTPA-100、デュラネートMFA-75B、デュラネートTUL-100、デュラネートTSA-100などが挙げられる。
式(B):
HO-N=R (B)
(式中、Rは水素原子または炭素数1~20のアルキル基である)
Rは水素原子または炭素数1~20のアルキル基であり、好ましくは炭素数1~20のアルキル基、より好ましくは炭素数1~6のアルキル基、特に好ましくは炭素数1~4のアルキル基である。
炭素数1~20のアルキル基としては、メチル基、エチル基、プロピル基、イソプロピル基、ブチル基、sec-ブチル基、tert-ブチル基、1-メチルプロピル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、1-エチルペンチル基、ノニル基、2-エチルヘキシル基、ウンデシル基、トリデシル基、ペンタデシル基、ヘプタデシル基が挙げられる。
式(2):
本明細書において、「置換もしくは無置換の炭化水素基」は、(i)置換基を有していても良い炭化水素基と、(ii)ヘテロ原子で置換されていても良い炭化水素基、(iii)置換基を有し、かつ、ヘテロ原子で置換された炭化水素基を含む。また、「置換若しくは無置換の芳香族炭化水素基」は(iv)置換基を有していても良い芳香族炭化水素基と、(v)ヘテロ原子で置換されていても良い芳香族炭化水素基、(vi)置換基を有し、かつ、ヘテロ原子で置換された芳香族炭化水素基を含む。
また、別の様態として、R4、R5、R9、R10は、同一または異なって、ヘテロ原子で置換されていても良い炭素数1~4の炭化水素基が、R6、R11は、同一または異なって、ヘテロ原子で置換されていても良い炭素数1~12の炭化水素基が好ましい。
R4、R5、R6、R7、R8、R9、R10及びR11はそれらが結合している炭素原子と一緒になって環構造を形成する場合、例えば、以下の式(2x)に示すようなベンゾイミダゾリウム環構造をとることが出来る。
式(2-1):
式(2-2):
式(2-3):
R12は置換若しくは無置換の炭化水素基であり、好ましくは置換若しくは無置換の炭素数1~50の炭化水素基、より好ましくは置換若しくは無置換の炭素数1~30の炭化水素基、特に好ましくは置換若しくは無置換の炭素数1~12の炭化水素基である。具体的には、メチル基、エチル基、プロピル基、イソプロピル基、ブチル基、sec-ブチル基、tert-ブチル基、ペンチル基、ヘキシル基、へプチル基、デシル基、ドデシル基、オクタデシル基、シクロプロピル基、シクロペンチル基、シクロヘキシル基、フェニル基、ナフチル基、ベンジル基、フェネチル基、トリル基、アリル基等が挙げられ、好ましくはベンジル基、フェニル基である。
R13は置換若しくは無置換の二価の炭化水素基であり、好ましくは置換若しくは無置換の炭素数1~100の二価の炭化水素基、より好ましくは置換若しくは無置換の二価の炭素数1~50の炭化水素基、特に好ましくは置換若しくは無置換の炭素数1~30の二価の炭化水素基である。具体的には、エチレン基、n-プロピレン基、n-ブチレン基、n-ペンチレン基、n-ヘキシレン基、n-ヘプチレン基、n-オクチレン基、n-ノニレン基、n-デシレン基、n-ドデシレン基、n-オクタデシレン基、シクロヘキシレン基、シクロヘキサン-1,2-ジイルビスメチレン、シクロヘキサン-1,4-ジイルビスメチレン等のアルキレン基、m-フェニレン基、p-フェニレン基、2-メチル-m-フェニレン基、4-メチル-m-フェニレン基、ナフチレン基等のアリーレン基、フェニルエチレン基、1-フェニルプロピレン基、2-フェニルプロピレン基、1-フェニルブチレン基、2-フェニルブチレン基、ナフチルメチレン基、ナフチルエチレン基等のアリールアルキレン基、前述のアルキレン基とアリーレン基が適宜組み合わされて成るp-キシリレン基などのアリーレンアルキレン基やメチレンジフェニレン基、ポリメチレンポリフェニレン基等のアルキレンアリーレン基等が挙げられる。これらの二価の炭化水素基が反復して又は組み合わされて、1つの二価の炭化水素基を構成していても良い。
E1、E2又はE3が置換若しくは無置換の炭化水素基の場合、好ましくは置換若しくは無置換の炭素数1~50の炭化水素基、より好ましくは置換若しくは無置換の炭素数1~30の炭化水素基、さらに好ましくは置換若しくは無置換の炭素数1~12の炭化水素基である。
E1、E2又はE3が置換基を有する炭化水素基である場合、置換基の例としては、フッ素原子、塩素原子、臭素原子、ヨウ素原子等のハロゲン原子、メチルアミノ基等のアルキルアミノ基、ジメチルアミノ基等のジアルキルアミノ基、メトキシ基、エトキシ基等のアルコキシ基、ベンジルオキシ基等のアラルキルオキシ基、トリフルオロメチル基等のハロゲン化アルキル基、ニトロ基、シアノ基、スルホニル基、アルキルカルボニルアミノ基、アルキルオキシカルボニルアミノ基、(アルキルアミノ)カルボニルアミノ基、(ジアルキルアミノ)カルボニルアミノ基等のカルボニルアミノ基等が挙げられる。
E1、E2又はE3がハロゲン原子で置換されていても良い炭化水素基又はヘテロ原子で置換されていても良い炭化水素基である場合、好ましくはハロゲン原子で置換されていても良い炭素数1~50の炭化水素基又はヘテロ原子で置換されていても良い炭素数1~50の炭化水素基、より好ましくはハロゲン原子で置換されていても良い炭素数1~30の炭化水素基又はヘテロ原子で置換されていても良い炭素数1~30の炭化水素基、特に好ましくはハロゲン原子で置換されていても良い炭素数1~12の炭化水素基又はヘテロ原子で置換されていても良い炭素数1~12の炭化水素基である。
また、ハロゲン原子で置換されていても良い炭化水素基又はヘテロ原子で置換されていても良い炭化水素基の炭化水素基として好ましくは、アリール基、アリールアルキル基などの芳香族炭化水素基である。ハロゲン原子で置換されていても良い炭化水素基又はヘテロ原子で置換されていても良い炭化水素基の炭化水素基としては、具体的には、メチル基、エチル基、プロピル基、イソプロピル基、ブチル基、sec-ブチル基、tert-ブチル基、ペンチル基、ヘキシル基、へプチル基、デシル基、ドデシル基、オクタデシル基、シクロプロピル基、シクロペンチル基、シクロヘキシル基、フェニル基、ナフチル基、ベンジル基、フェネチル基、トリル基、アリル基等が挙げられ、好ましくはベンジル基、フェニル基である。
(方法1)式(5)で表されるイミダゾリウムカルボン酸塩と式(6)で表される炭酸エステルを反応させ(反応1)、得られた反応物と式(10)で表されるイソシアネート化合物を反応(反応2)させる方法
(方法2)イミダゾリウムカルボン酸塩とイソシアネート化合物を反応させる方法
(方法3)特許文献1に記載のイミダゾリウム-2-カルボキシレート化合物とイソシアネート化合物を反応させる方法。
(方法4)Structual Chemistry 2013年 24巻 2059-2068頁に記載のイミダゾリウム-2-イリデン化合物とイソシアネート化合物を反応させる方法。
下記式(5)で表されるイミダゾリウムカルボン酸塩(以下、イミダゾリウムカルボン酸塩(5)という。)と下記式(6)で表される炭酸エステル(以下、炭酸エステル(6)という。)を反応させる。
式(6):
次いで、得られた反応物と下記式(10)で表されるイソシアネート化合物を必要に応じて溶媒の存在下に反応させることによりアミデート化合物(2)が製造される。
式(10):
式(5)中、R4、R5、R6、R7、R8、R9、R10及びR11は各々前記に定義される通りである。CR4R5R6で表される基、CR9R10R11で表される基が、アダマンチル基であってもよい。
1,3-ジ-tert-ブチルイミダゾリウム酢酸塩、1,3-ビス(1,1,3,3-テトラメチルブチル)イミダゾリウム酢酸塩、1,3-ビス(1-アダマンチル)イミダゾリウム酢酸塩;
1,3-ジ-tert-ブチルイミダゾリウム2-エチルヘキサン酸塩、1,3-ビス(1,1,3,3-テトラメチルブチル)イミダゾリウム2-エチルヘキサン酸塩、1,3-ビス(1-アダマンチル)イミダゾリウム2-エチルヘキサン酸塩;が挙げられる。好ましくは1,3-ジt-ブチルイミダゾリウム酢酸塩、1,3-ビス(1,1,3,3-テトラメチルブチル)イミダゾリウム酢酸塩が挙げられる。
式(7):
式(8y):
式(9):
反応1で得られた反応物(以下、反応物(R)ということがある。)と式(10)で表されるイソシアネート化合物を反応させて、アミデート化合物(2)を製造する。
式(A):
前記二塩基酸としては、例えば、コハク酸、アジピン酸、ダイマー酸、無水マレイン酸、無水フタル酸、イソフタル酸、テレフタル酸、1,4-シクロヘキサンジカルボン酸等のカルボン酸等が挙げられる。
前記多価アルコールとしては、例えば、エチレングリコール、プロピレングリコール、ジエチレングリコール、1,4-ブタンジオール、ネオペンチルグリコール、1,6-ヘキサンジオール、トリメチルペンタンジオール、シクロヘキサンジオール、トリメチロールプロパン、グリセリン、ペンタエリスリトール、2-メチロールプロパンジオール、エトキシ化トリメチロールプロパン等が挙げられる。
ポリエステルポリオールの具体的な製造方法としては、例えば、上記の成分を混合し、約160~220℃で加熱することによって、縮合反応を行うことができる。又は、例えば、ε-カプロラクトン等のラクトン類を、多価アルコールを用いて開環重合して得られるようなポリカプロラクトン類等もポリエステルポリオールとして用いることができる。
これらのポリエステルポリオールは、芳香族ジイソシアネート、脂肪族ジイソシアネート、脂環式ジイソシアネート、及びこれらから得られるポリイソシアネート等を用いて変性させることができる。中でも、耐候性及び耐黄変性等の観点から、ポリエステルポリオールは、脂肪族ジイソシアネート、脂環式ジイソシアネート、及びこれらから得られるポリイソシアネートを用いて変性させることが好ましい。
本実施形態の熱硬化性樹脂組成物を水系ベース塗料として用いる場合には、ポリエステルポリオール中の二塩基酸等に由来する一部のカルボン酸を残存させておき、アミン、アンモニア等の塩基で中和することで、ポリエステルポリオールを水溶性又は水分散性の樹脂とすることができる。
(1)触媒を使用して、アルキレンオキシドの単独又は混合物を、多価ヒドロキシ化合物の単独又は混合物に、ランダム又はブロック付加して、ポリエーテルポリオール類を得る方法。
前記アルキレンオキシドとしては、例えば、エチレンオキシド、プロピレンオキシド、ブチレンオキシド、シクロヘキセンオキシド、スチレンオキシド等が挙げられる。
前記ポリアミン化合物としては、例えば、エチレンジアミン類等が挙げられる。
前記アルキレンオキシドとしては、(1)で例示されたものと同様のものが挙げられる。
前記多価ヒドロキシ化合物としては、例えば、以下の(i)~(vi)のものが挙げられる。
(i)ジグリセリン、ジトリメチロールプロパン、ペンタエリスリトール、ジペンタエリスリトール等。
(ii)エリトリトール、D-トレイトール、L-アラビニトール、リビトール、キシリトール、ソルビトール、マンニトール、ガラクチトール、ラムニトール等の糖アルコール系化合物。
(iii)アラビノース、リボース、キシロース、グルコース、マンノース、ガラクトース、フルクトース、ソルボース、ラムノース、フコース、リボデソース等の単糖類。
(iv)トレハロース、ショ糖、マルトース、セロビオース、ゲンチオビオース、ラクトース、メリビオース等の二糖類。
(v)ラフィノース、ゲンチアノース、メレチトース等の三糖類。
(vi)スタキオース等の四糖類。
(i)アクリル酸-2-ヒドロキシエチル、アクリル酸-2-ヒドロキシプロピル、アクリル酸-2-ヒドロキシブチル等の活性水素を有するアクリル酸エステル類。
(ii)メタクリル酸-2-ヒドロキシエチル、メタクリル酸-2-ヒドロキシプロピル、メタクリル酸-2-ヒドロキシブチル、メタクリル酸-3-ヒドロキシプロピル、メタクリル酸-4-ヒドロキシブチル等の活性水素を有するメタクリル酸エステル類。
(iii)グリセリンやトリメチロールプロパン等のトリオールの(メタ)アクリル酸モノエステル等の多価活性水素を有する(メタ)アクリル酸エステル類。
(iv)ポリエーテルポリオール類(例えば、ポリエチレングリコール、ポリプロピレングリコール、ポリブチレングリコール等)と上記の活性水素を有する(メタ)アクリル酸エステル類とのモノエーテル。
(v)グリシジル(メタ)アクリレートと一塩基酸(例えば、酢酸、プロピオン酸、p-tert-ブチル安息香酸等)との付加物。
(vi)上記の活性水素を有する(メタ)アクリル酸エステル類の活性水素にラクトン類(例えば、ε-カプロラクタム、γ-バレロラクトン等)を開環重合させることにより得られる付加物。
(i)アクリル酸メチル、アクリル酸エチル、アクリル酸イソプロピル、アクリル酸-n-ブチル、アクリル酸-2-エチルヘキシル、メタクリル酸メチル、メタクリル酸エチル、メタクリル酸イソプロピル、メタクリル酸-n-ブチル、メタクリル酸イソブチル、メタクリル酸-n-ヘキシル、メタクリル酸シクロヘキシル、メタクリル酸ラウリル、メタクリル酸グリシジル等の(メタ)アクリル酸エステル類。
(ii)アクリル酸、メタクリル酸、マレイン酸、イタコン酸等、不飽和アミド類(アクリルアミド、N-メチロールアクリルアミド、ジアセトンアクリルアミド等の不飽和カルボン酸類。
(iii)ビニルトリメトキシシラン、ビニルメチルジメトキシシラン、γ-(メタ)アクリロプロピルトリメトキシシラン等の加水分解性シリル基を有するビニルモノマー類。
(iv)スチレン、ビニルトルエン、酢酸ビニル、アクリロニトリル、フマル酸ジブチル等のその他の重合性モノマー。
また、ポリオレフィンポリオールにおいて、水酸基の数は、より高い塗膜強度を得られることから、3個であることが好ましい。
一方、ポリオールの水酸基価の上限値は、特別な限定はなく、例えば、200mgKOH/g以下であればよい。
すなわち、ポリオールの水酸基価は、10mgKOH/g以上200mgKOH/g以下であることが好ましく、20mgKOH/g以上200mgKOH/g以下であることがより好ましく、30mgKOH/g以上200mgKOH/g以下であることがさらに好ましい。
水酸基価及び酸価は、JIS K1557に準拠して測定することができる。
本実施形態の熱硬化性樹脂組成物は、必要に応じて完全アルキル型、メチロール型、アルキルアミノ基型アルキル等のメラミン系硬化剤を含有していてもよい。
本発明の硬化物は、上記の本発明の熱硬化性樹脂組成物の硬化方法を経ることにより製造できる。
装置:日本分光株式会社製FT-IR-6600
測定方法:全反射測定法(クリスタル:ゲルマニウム)
積算回数:16回
(2)1H-NMR分析条件
装置:ブルカー株式会社製AV400
周波数:400MHz
(3)硬化温度、時間測定条件
装置:株式会社サイバー製 自動硬化時間測定装置まどか
撹拌棒:型番3JC-5060W
撹拌速度:自転100rpm、公転25rpm
試料約1.5gを110℃で3時間加熱し、加熱前後の質量から試料中の固形分(%)を算出した。
有効NCO基(mol):水酸基(mol):アミデート基(mol)=1.00:0.95:0.05になるように、ブロックポリイソシアネート化合物、イソシアネート反応性基を有する化合物、アミデート化合物を加え、ブロックポリイソシアネート化合物の固形分(g):溶剤(g)=1.0:1.0になるようにメチルイソブチルケトンを加えた。なお、ここでの溶剤とはブロックポリイソシアネート化合物の希釈に使用している溶剤を含む。有効NCO基(mol)と水酸基(mol)は下記式より算出した。
有効NCO基(mol)=ブロックポリイソシアネート仕込量(g)÷ブロックポリイソシアネートの有効NCO基含有率(%)÷4.202
水酸基(mol)=ポリオール仕込量(g)×ポリオールの水酸基価(mgKOH/g)÷56.1
窒素置換した200mL3つ口反応器に、ビウレット型HDI(デスモジュールN3200A、NCO基含有率:22.8(%)、住化コベストロウレタン株式会社製)60.0g(NCO基:0.33mol)、メチルイソブチルケトン(以下、MIBKという。)36.9gを仕込み65℃に昇温し、トリエチルアミン(以下、TEAという。)0.6gを加えた。その後、メチルエチルケトオキシム(以下、MEKOという。)29.0g(0.33mol)とMIBK22.9gを滴下し、65℃で2時間攪拌し、赤外分光分析でイソシアネート基の2270cm-1付近の赤外吸収ピークの消失を確認した。得られた反応溶液を減圧濃縮し、TEAと大部分のMIBKを除き、MIBK17.4gを加えてビウレット型HDIのMEKOブロック体のMIBK溶液を117.9g得た。得られたビウレット型HDIのTFEブロック体の固形分は74.7%、有効NCO基含有率は11.6%であった。
窒素置換した3Lの4つ口反応器に、n-オクチルアミン1049.9g(8.12mol)を仕込み、80℃まで昇温した。その後、反応器内に酢酸366.0g(6.09mol)と42wt%ホルマリン水溶液290.4g(ホルムアルデヒド純分4.06mol)の混合液を1時間かけて滴下した。滴下後の溶液を30分間撹拌し、40℃に冷却した。40℃に冷却した溶液に41wt%グリオキサール水溶液581.0g(グリオキサール純分4.06mol)を30分かけて滴下し、5時間攪拌した。攪拌後、得られた反応溶液を減圧濃縮し、1,3-ジ-n-オクチルイミダゾリウム酢酸塩を含む反応物を1582.0g得た。内部標準物質としてテトラリンを加えて1H-NMR分析した結果、1,3-ジ-n-オクチルイミダゾリウム酢酸塩純分は1224.9g(3.47mol,収率85.5%)であった。
(工程2)
5Lの耐圧容器に、工程1で得られた反応物1070.1g(純分:828.6g、2.35mol)、トルエン1069.5g、炭酸ジメチル756.0g(8.39mol)を仕込み、窒素置換を行った。その後、120℃で15時間攪拌した。攪拌後、得られた反応混合物を1043.5gになるまで減圧濃縮し、そこへトルエンを加えて、トルエン溶液2058.6gを得た。
(工程3)
窒素置換した3Lの4つ口反応器に、工程2で得られたトルエン溶液1700.2g、トルエン807.4gを仕込み、加熱還流させた。加熱還流後の反応液に、フェニルイソシアネート229.7g(1.93mol)を2時間かけて滴下し、10時間攪拌した。攪拌後、得られた反応混合物を1433.1gになるまで濃縮し、ヘプタン761.0gを加えて、50℃まで加熱し、固体を全て溶解させ、混合溶液とした。次いで、得られた混合溶液を50℃から30℃まで冷却して結晶を析出させ、30℃で1時間攪拌した後に、毎時10℃ずつ2時間かけて10℃まで冷却し、10℃で更に1時間攪拌させることでスラリー液を得た。得られたスラリー液をろ過することで、微黄色固体として、上記式で表される化合物(DOIm_PI)を426.8g(1.04mol、工程2からの通し収率53.2%)得た。DOIm_PIの1H-NMR分析結果を以下に示す。
1H-NMR(DMSO-d6)δ(ppm)=9.32(s,1H)、7.80(s,2H)、4.17(t,J=9.6Hz,4H)、1.78(m,4H)、1.63(s,3H)、1.23(m,20H)、0.85(t,J=6.4Hz,6H)
窒素置換した300mLの4つ口反応器に、tert-ブチルアミン100.0g(1.36mol)を仕込み、40℃まで昇温した。その後、反応器内に酢酸62.1g(1.03mol)と40wt%ホルマリン水溶液50.8g(ホルムアルデヒド純分0.68mol)の混合液を1時間かけて滴下し、30分間撹拌撹拌した。撹拌後の溶液に後、40wt%グリオキサール水溶液99.0g(グリオキサール純分0.68mol)を30分かけて滴下し、5時間攪拌した。攪拌後、得られた反応溶液を減圧濃縮し、H2O100.0gとトルエン100.0gを加えて分液操作を行った。分液後得られた水層を減圧濃縮し、1,3-ジ-tert-ブチルイミダゾリウム酢酸塩を含む反応物を123.2g得た。
(工程2)
180mLの耐圧容器に、工程1で得られた1,3-ビス-tert-ブチルイミダゾリウム酢酸塩を含む反応物40.0g、炭酸ジメチル52.6g(0.58mol)を仕込み、窒素置換を行った。その後、120℃で6時間攪拌した。攪拌後、得られた反応混合物を減圧濃縮し、黒色固体を得た。得られた黒色固体を、アセトン100.0gで洗浄し、白色固体を38.6g得た。
(工程3)
窒素置換した100mLの3つ口反応器に、工程2で得られた白色固体10.0g、クロロベンゼン40.0gを仕込み、加熱還流した。加熱還流後、反応器内にフェニルイソシアネート5.9g(0.043mol)とクロロベンゼン10.0gの混合液を10分かけて滴下し、1時間攪拌した。攪拌後、得られた反応混合物を濾過し、濾残をヘプタン50.0gで洗浄し、上記式で表される化合物(DtBIm_PI)を含む組成物を7.84g(0.017mmol、工程1からの通し収率30.0%)得た。DtBIm_PIの1H-NMR分析結果を以下に示す。
1H-NMR(CDCl3)δ(ppm)=7.56(d, J=6.6Hz,2H)、7.31(t,J=6.6Hz,2H)、7.07(s,2H)6.93(t,J=7.2Hz,1H)、1.87(s,18H)
窒素置換した100mlの3つ口反応器に、酢酸6.97g(0.116mol)と40wt%ホルマリン水溶液5.80g(ホルムアルデヒド純分0.077mol)、40wt%グリオキサール水溶液11.2g(グリオキサール純分0.077mol)を仕込み、50℃まで昇温した。その後、反応器中の混合液に1,1,3,3-テトラメチルブチルアミン20.00g(0.154mol)を2時間かけて滴下し、2時間攪拌した。攪拌後、得られた反応溶液を減圧濃縮することで、1,3-ビス(1,1,3,3-テトラメチルブチル)イミダゾリウム酢酸塩を含む反応物を24.8g得た。
(工程2)
180mLの耐圧容器に、工程1で得られた1,3-ビス(1,1,3,3-テトラメチルブチル)イミダゾリウム酢酸塩を含む反応物24.8g、炭酸ジメチル27.0g(0.297mol)、トルエン30.0gを仕込み、窒素置換を行った。その後、耐圧容器中の混合液を120℃で6時間攪拌した。攪拌後、得られた反応混合物を減圧濃縮し、暗褐色固体を20.0g得た。
(工程3)
窒素置換した100mLの3つ口反応器に、工程2で得られた暗褐色固体10.4g、クロロベンゼン40.0gを仕込み、加熱還流した。加熱還流後の混合液を60℃まで冷却し、そこへフェニルイソシアネート3.9g(0.032mol)とクロロベンゼン12.2gの混合液を10分かけて滴下し、60℃で1時間攪拌した。攪拌後、得られた反応混合物を室温まで冷却し、そこへヘプタン50.0gを加えた後に濾過し、濾残をヘプタン50.0gで洗浄し、上記式で表される化合物(DtOIm_PI)を含む組成物を7.55g(0.014mmol、工程1からの通し収率36.0%)得た。DtOIm_PIの1H-NMR分析結果を以下に示す。
1H-NMR(CDCl3)δ(ppm)=7.59(d, J=9.2Hz,2H)、7.30(t,J=7.6Hz,2H)、7.08(s,2H)6.93(t,J=7.2Hz,1H)、2.40(m,4H)、1.87(m,12H)、0.99(s,18H)
1H-NMR(CDCl3)δ(ppm)=7.52-7.48(m)、7.35-7.30(m)、7.13-7.11(m)7.04-7.00(m)、1.87(m)、1.32(m)、0.93(m)
窒素置換した180mLのオートクレーブに1-オクチルイミダゾール25.0g(139mmol)、炭酸ジメチル16.7g(185mmol)、メタノール25.1gを仕込み、125℃で29時間撹拌した。撹拌後、反応混合物を室温まで冷却した。冷却した反応混合物に炭酸ジメチル8.5g(94mmol)を追加し、130℃で更に3時間撹拌した。得られた反応混合物を25℃に冷却し、1-オクチル-3-メチルイミダゾリウム-2-カルボキシレート(以下、OMIm-CO2と略記する。)のメタノール溶液を44.0g得た(純分33.0g、139mmol、収率99%)。
(工程2)
窒素置換した200mL試験管に工程2で得られたOMIm-CO2のメタノール溶液4.0g(純分13mmol)、フェニルイソシアネート1.5g(13mmol)、トルエン100mLを仕込み、得られた混合物を内温110℃で3時間撹拌した。減圧濃縮し、上記式で表される化合物(OMIm-PI)を3.3g得た。さらに、酢酸ブチルで再結晶することで高純度のOMIm-PIを取得した。上記式で表される化合物の1H-NMR分析結果を以下に示す。
1H-NMR(CD3OD)δ(ppm)=7.51(s,1H)、7.45―7.33(m,6H)、4.37(t,J=7.4Hz,2H)、3.97(s,3H)、1.91-1.86(m,2H)、1.35-1.27(m,10H)、0.88(t,J=6.8Hz,3H)
熱硬化性樹脂組成物の組成が有効NCO基(mol):水酸基(mol):アミデート基(mol)=1.00:0.95:0.05になるように、製造例B-1で得られたビウレット型HDIのMEKOブロック体、ポリエステルポリオール(P-510、株式会社クラレ製)、製造例A-1で得られたDtBIm_PIを加えた。さらにブロックポリイソシアネート化合物物に対して溶媒量が1.0重量倍になるようにMIBKを加え30分間攪拌して、熱硬化性樹脂組成物を調製した。
あらかじめ所定の温度に加熱しておいた自動硬化時間測定装置のホットプレート上に調製した熱硬化性樹脂組成物 約0.6mLを注ぎ、撹拌した。その際に、攪拌開始直後の攪拌トルク1%(0.04mN・m)未満の状態から撹拌トルクが20%(0.86mN・m)を超えるまでの時間を硬化時間とし、150℃から80℃までの各温度における硬化時間の測定、30分以内で硬化した最低温度を導き出した。結果を表1に示す。
実施例1において、DtBIm_PIに代え、ブロック剤解離触媒を表1に示すものに変えた以外は実施例1と同様にして熱硬化性樹脂組成物を調製し、各温度における硬化時間を測定し、30分以内で硬化した最低温度を導き出した。結果を表1に示す。
Claims (12)
- ブロックポリイソシアネート化合物及び下記式(2)で表される少なくとも1種のアミデート化合物を含有するブロックポリイソシアネート組成物。
式(2):
- Bが置換若しくは無置換の芳香族炭化水素基である、請求項1に記載のブロックポリイソシアネート組成物。
- R4、R5、R9及びR10が、同一または異なって、ヘテロ原子で置換されていても良い炭素数1~6の炭化水素基である、請求項1又は2に記載のブロックポリイソシアネート組成物。
- R6及びR11が、同一または異なって、ヘテロ原子で置換されていても良い炭素数1~12の炭化水素基である、請求項1~3のいずれか1項に記載のブロックポリイソシアネート組成物。
- R7及びR8が水素原子である、請求項1~4のいずれか1項に記載のブロックポリイソシアネート組成物。
- 前記ブロックポリイソシアネート化合物がブロック剤とポリイソシアネートの反応生成物であり、前記ブロック剤がオキシム系ブロック剤である、請求項1~6のいずれか1項に記載のブロックポリイソシアネート組成物。
- 前記ブロックポリイソシアネート化合物がブロック剤とポリイソシアネートの反応生成物であり、前記ブロック剤がメチルエチルケトンオキシムである請求項1~6のいずれか1項に記載のブロックポリイソシアネート組成物。
- 請求項1~8のいずれか1項に記載のブロックポリイソシアネート組成物、及びイソシアネート反応性基を有する化合物を含む熱硬化性樹脂組成物。
- イソシアネート反応性基を有する化合物がポリオール化合物である、請求項9に記載の熱硬化性樹脂組成物。
- 請求項9又は10に記載の熱硬化性樹脂組成物を硬化してなる硬化物。
- 請求項9又は10に記載の熱硬化性樹脂組成物を加熱して硬化させる工程を含む硬化物の製造方法。
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