JP2022519285A - フェニルイソシアネートの変換プロセス - Google Patents
フェニルイソシアネートの変換プロセス Download PDFInfo
- Publication number
- JP2022519285A JP2022519285A JP2021545671A JP2021545671A JP2022519285A JP 2022519285 A JP2022519285 A JP 2022519285A JP 2021545671 A JP2021545671 A JP 2021545671A JP 2021545671 A JP2021545671 A JP 2021545671A JP 2022519285 A JP2022519285 A JP 2022519285A
- Authority
- JP
- Japan
- Prior art keywords
- mdi
- isocyanate
- diphenylcarbodiimide
- phenyl
- pmdi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims description 48
- 230000008569 process Effects 0.000 title claims description 36
- 238000006243 chemical reaction Methods 0.000 title abstract description 28
- 239000003054 catalyst Substances 0.000 claims abstract description 58
- 229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 claims abstract description 43
- 239000002904 solvent Substances 0.000 claims abstract description 41
- CMESPBFFDMPSIY-UHFFFAOYSA-N n,n'-diphenylmethanediimine Chemical compound C1=CC=CC=C1N=C=NC1=CC=CC=C1 CMESPBFFDMPSIY-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- -1 polymethylene Polymers 0.000 claims description 43
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 36
- 239000012948 isocyanate Substances 0.000 claims description 29
- 150000002513 isocyanates Chemical class 0.000 claims description 26
- 229920000642 polymer Polymers 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 17
- 239000012454 non-polar solvent Substances 0.000 claims description 14
- 239000004202 carbamide Substances 0.000 claims description 11
- UNQNIRQQBJCMQR-UHFFFAOYSA-N phosphorine Chemical group C1=CC=PC=C1 UNQNIRQQBJCMQR-UHFFFAOYSA-N 0.000 claims description 11
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 8
- 230000002779 inactivation Effects 0.000 claims description 7
- 230000000415 inactivating effect Effects 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000002841 Lewis acid Substances 0.000 claims description 3
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 3
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical class CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 3
- 150000007517 lewis acids Chemical class 0.000 claims description 3
- 239000003446 ligand Substances 0.000 claims description 3
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 3
- 235000011150 stannous chloride Nutrition 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
- 229920000767 polyaniline Polymers 0.000 claims description 2
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 claims description 2
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 claims 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 1
- OXJVPEPMGZHRJB-UHFFFAOYSA-N aminophosphinoamine Chemical compound NPN OXJVPEPMGZHRJB-UHFFFAOYSA-N 0.000 claims 1
- 150000004696 coordination complex Chemical class 0.000 claims 1
- OBFLPRBJAZVOBN-UHFFFAOYSA-N diazaphosphinane Chemical compound C1CNNPC1 OBFLPRBJAZVOBN-UHFFFAOYSA-N 0.000 claims 1
- RGFHLQGHCYAKTD-UHFFFAOYSA-N oxazaphosphinane Chemical compound C1CONPC1 RGFHLQGHCYAKTD-UHFFFAOYSA-N 0.000 claims 1
- MDDUHVRJJAFRAU-YZNNVMRBSA-N tert-butyl-[(1r,3s,5z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane Chemical compound C1[C@@H](O[Si](C)(C)C(C)(C)C)C[C@H](O[Si](C)(C)C(C)(C)C)C(=C)\C1=C/CP(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 MDDUHVRJJAFRAU-YZNNVMRBSA-N 0.000 claims 1
- 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 abstract description 57
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 30
- 239000000047 product Substances 0.000 description 20
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 19
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 150000001718 carbodiimides Chemical class 0.000 description 12
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 12
- 239000007983 Tris buffer Substances 0.000 description 11
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- 229920001228 polyisocyanate Polymers 0.000 description 8
- 239000005056 polyisocyanate Substances 0.000 description 8
- YMKWWHFRGALXLE-UHFFFAOYSA-N 4-methyl-1-phenyl-2,3-dihydro-1$l^{5}-phosphole 1-oxide Chemical compound C1CC(C)=CP1(=O)C1=CC=CC=C1 YMKWWHFRGALXLE-UHFFFAOYSA-N 0.000 description 7
- 150000001412 amines Chemical class 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 230000009849 deactivation Effects 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000004817 gas chromatography Methods 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 125000003119 4-methyl-3-pentenyl group Chemical group [H]\C(=C(/C([H])([H])[H])C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- CXKRDMQZBMZKKJ-UHFFFAOYSA-N arsine oxide Chemical class [AsH3]=O CXKRDMQZBMZKKJ-UHFFFAOYSA-N 0.000 description 3
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 3
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical group NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002466 imines Chemical class 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 3
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 3
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- NOHQUGRVHSJYMR-UHFFFAOYSA-N 1-chloro-2-isocyanatobenzene Chemical compound ClC1=CC=CC=C1N=C=O NOHQUGRVHSJYMR-UHFFFAOYSA-N 0.000 description 2
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- XGEGHDBEHXKFPX-UHFFFAOYSA-N N-methyl urea Chemical compound CNC(N)=O XGEGHDBEHXKFPX-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920002396 Polyurea Polymers 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 125000006267 biphenyl group Chemical group 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- YKYOUMDCQGMQQO-UHFFFAOYSA-L cadmium dichloride Chemical compound Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 235000015165 citric acid Nutrition 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 2
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 2
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 2
- VXTFGYMINLXJPW-UHFFFAOYSA-N phosphinane Chemical class C1CCPCC1 VXTFGYMINLXJPW-UHFFFAOYSA-N 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 230000002110 toxicologic effect Effects 0.000 description 2
- 231100000027 toxicology Toxicity 0.000 description 2
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
- HIUQIUQSEYDPNQ-YFKPBYRVSA-N (2s)-6-amino-2-(phosphonoamino)hexanoic acid Chemical class NCCCC[C@@H](C(O)=O)NP(O)(O)=O HIUQIUQSEYDPNQ-YFKPBYRVSA-N 0.000 description 1
- AIJTZIFDVSTZPB-UHFFFAOYSA-N (4-benzoylpiperazin-1-yl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)N(CC1)CCN1C(=O)C1=CC=CC=C1 AIJTZIFDVSTZPB-UHFFFAOYSA-N 0.000 description 1
- RUTYWCZSEBLPAK-UHFFFAOYSA-N (4-methylphenyl)sulfonylurea Chemical compound CC1=CC=C(S(=O)(=O)NC(N)=O)C=C1 RUTYWCZSEBLPAK-UHFFFAOYSA-N 0.000 description 1
- CIFFBTOJCKSRJY-UHFFFAOYSA-N (cis)-3a,4,7,7a-Tetrahydro-1H-isoindole-1,3(2H)-dione Natural products C1C=CCC2C(=O)NC(=O)C21 CIFFBTOJCKSRJY-UHFFFAOYSA-N 0.000 description 1
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 1
- NERCDZLDHIJIOQ-UHFFFAOYSA-N 1,1-dimethyl-3-phenyl-3-(phenylcarbamoyl)urea Chemical compound C=1C=CC=CC=1N(C(=O)N(C)C)C(=O)NC1=CC=CC=C1 NERCDZLDHIJIOQ-UHFFFAOYSA-N 0.000 description 1
- YBBLOADPFWKNGS-UHFFFAOYSA-N 1,1-dimethylurea Chemical compound CN(C)C(N)=O YBBLOADPFWKNGS-UHFFFAOYSA-N 0.000 description 1
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical class ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 1
- FYWJWWMKCARWQG-UHFFFAOYSA-N 1,2-dichloro-3-isocyanatobenzene Chemical compound ClC1=CC=CC(N=C=O)=C1Cl FYWJWWMKCARWQG-UHFFFAOYSA-N 0.000 description 1
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- PCHXZXKMYCGVFA-UHFFFAOYSA-N 1,3-diazetidine-2,4-dione Chemical compound O=C1NC(=O)N1 PCHXZXKMYCGVFA-UHFFFAOYSA-N 0.000 description 1
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- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 238000000074 matrix-assisted laser desorption--ionisation tandem time-of-flight detection Methods 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- ZTEHTGMWGUKFNE-UHFFFAOYSA-N methyl 3-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfanyl]propanimidate Chemical compound COC(=N)CCSCC1=CSC(N=C(N)N)=N1 ZTEHTGMWGUKFNE-UHFFFAOYSA-N 0.000 description 1
- VUQUOGPMUUJORT-UHFFFAOYSA-N methyl 4-methylbenzenesulfonate Chemical compound COS(=O)(=O)C1=CC=C(C)C=C1 VUQUOGPMUUJORT-UHFFFAOYSA-N 0.000 description 1
- CZXGXYBOQYQXQD-UHFFFAOYSA-N methyl benzenesulfonate Chemical compound COS(=O)(=O)C1=CC=CC=C1 CZXGXYBOQYQXQD-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- AOWYFOXIGANBGA-UHFFFAOYSA-N n-(phenylcarbamoyl)propanamide Chemical compound CCC(=O)NC(=O)NC1=CC=CC=C1 AOWYFOXIGANBGA-UHFFFAOYSA-N 0.000 description 1
- GBIRQYASIXIMLJ-UHFFFAOYSA-N n-acetyl-n-carbamoylbenzamide Chemical compound CC(=O)N(C(N)=O)C(=O)C1=CC=CC=C1 GBIRQYASIXIMLJ-UHFFFAOYSA-N 0.000 description 1
- DQMWMUMCNOJLSI-UHFFFAOYSA-N n-carbamothioylbenzamide Chemical compound NC(=S)NC(=O)C1=CC=CC=C1 DQMWMUMCNOJLSI-UHFFFAOYSA-N 0.000 description 1
- VGJVPNPDFPXGEM-UHFFFAOYSA-N n-carbamoyl-4-oxopentanamide Chemical compound CC(=O)CCC(=O)NC(N)=O VGJVPNPDFPXGEM-UHFFFAOYSA-N 0.000 description 1
- PEFFWPIVPIMFDH-UHFFFAOYSA-N n-carbamoyl-n-methylacetamide Chemical compound CC(=O)N(C)C(N)=O PEFFWPIVPIMFDH-UHFFFAOYSA-N 0.000 description 1
- VSURRQZMKWVYIC-UHFFFAOYSA-N n-ethyl-n-phenylbenzamide Chemical compound C=1C=CC=CC=1N(CC)C(=O)C1=CC=CC=C1 VSURRQZMKWVYIC-UHFFFAOYSA-N 0.000 description 1
- JDULNJWSALODPB-UHFFFAOYSA-N n-phenylbutanethioamide Chemical compound CCCC(=S)NC1=CC=CC=C1 JDULNJWSALODPB-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- VUNXBQRNMNVUMV-UHFFFAOYSA-N phenyl(piperazin-1-yl)methanone Chemical compound C=1C=CC=CC=1C(=O)N1CCNCC1 VUNXBQRNMNVUMV-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000026731 phosphorylation Effects 0.000 description 1
- 238000006366 phosphorylation reaction Methods 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- BXRNXXXXHLBUKK-UHFFFAOYSA-N piperazine-2,5-dione Chemical compound O=C1CNC(=O)CN1 BXRNXXXXHLBUKK-UHFFFAOYSA-N 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920003226 polyurethane urea Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229940081974 saccharin Drugs 0.000 description 1
- 235000019204 saccharin Nutrition 0.000 description 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- BUUPQKDIAURBJP-UHFFFAOYSA-N sulfinic acid Chemical compound OS=O BUUPQKDIAURBJP-UHFFFAOYSA-N 0.000 description 1
- VDBHGVMULPMSSJ-IBGZPJMESA-N tert-butyl (2s)-2-[[4-[(4-methylphenyl)carbamoyl]-1h-imidazole-5-carbonyl]amino]-6-[(2-methylpropan-2-yl)oxycarbonylamino]hexanoate Chemical compound C1=CC(C)=CC=C1NC(=O)C1=C(C(=O)N[C@@H](CCCCNC(=O)OC(C)(C)C)C(=O)OC(C)(C)C)NC=N1 VDBHGVMULPMSSJ-IBGZPJMESA-N 0.000 description 1
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- XTTGYFREQJCEML-UHFFFAOYSA-N tributyl phosphite Chemical compound CCCCOP(OCCCC)OCCCC XTTGYFREQJCEML-UHFFFAOYSA-N 0.000 description 1
- TUQOTMZNTHZOKS-UHFFFAOYSA-N tributylphosphine Chemical compound CCCCP(CCCC)CCCC TUQOTMZNTHZOKS-UHFFFAOYSA-N 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- FIQMHBFVRAXMOP-UHFFFAOYSA-N triphenylphosphane oxide Chemical class C=1C=CC=CC=1P(C=1C=CC=CC=1)(=O)C1=CC=CC=C1 FIQMHBFVRAXMOP-UHFFFAOYSA-N 0.000 description 1
- OXFUXNFMHFCELM-UHFFFAOYSA-N tripropan-2-yl phosphate Chemical compound CC(C)OP(=O)(OC(C)C)OC(C)C OXFUXNFMHFCELM-UHFFFAOYSA-N 0.000 description 1
- XHGIFBQQEGRTPB-UHFFFAOYSA-N tris(prop-2-enyl) phosphate Chemical compound C=CCOP(=O)(OCC=C)OCC=C XHGIFBQQEGRTPB-UHFFFAOYSA-N 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C267/00—Carbodiimides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
-
- 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
- C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
- C08G18/025—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing carbodiimide 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
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/725—Combination of polyisocyanates of C08G18/78 with other polyisocyanates
-
- 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
- C08G18/74—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
- C08G18/74—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
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- 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
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
a)アニリンをホルムアルデヒドと反応させて、メチレンジアニリン(MDA)と、少なくとも3つのアニリン基を有する1つ以上のポリメチレンポリアニリン(PMDA)と、未反応のアニリンとの混合物を生成する工程と、
b)工程a)において生成された混合物からアニリンを除去して、MDA、PMDA、および残留アニリンを含有するプロセス流を生成する工程と、
c)工程b)からのプロセス流を無極性溶媒中でホスゲン化して、無極性溶媒、MDI、少なくとも3つのフェニルイソシアネート基を有する1つ以上のポリメチレンポリフェニルイソシアネート(PMDI)、および少なくとも1つのフェニルイソシアネートを含有するイソシアネートプロセス流を形成する工程と、
d)蒸留によって、工程c)において得られたイソシアネートプロセス流からMDIおよびPMDIを分離して、無極性溶媒、溶媒流の重量に基づいて、0超~最大10重量パーセントの少なくとも1つのフェニルイソシアネート、ならびに溶媒流の重量に基づいて、0~5重量パーセントのMDIおよび/またはPMDIを含有する溶媒流を生成する工程と、
e)工程d)で得られた溶媒流を触媒有効量のカルボジイミド化触媒の存在下で反応させて、少なくとも1つのフェニルイソシアネートの少なくとも一部をN,N’-ジフェニルカルボジイミドに変換する工程と、
f)必要に応じて、カルボジイミド化触媒を除去および/または不活性化する工程と、
g)必要に応じて、工程e)で形成されたN,N’-ジフェニルカルボジイミド、無極性溶媒、および必要に応じて、必要に応じてカルボジイミド化触媒および/または必要に応じてカルボジイミド化触媒の不活性化からの残留物を、直接的または間接的に工程d)にリサイクルする工程と、を含む、製造プロセス。
a=bであり、0または1であり、
Rは、非置換または不活性置換ヒドロカルビルであり、
各R1は、独立して、水素、ハロゲン、最大20個の炭素原子を有する非置換または不活性置換ヒドロカルビルであり、
a=b=1の場合、XとYはそれぞれハロゲン、特に塩素または臭素であるか、XとYは一緒に=Oまたは=Sである。
構造:
A.モノクロロベンゼン中のフェニルイソシアネートの2%溶液を調製する。モノクロロベンゼン中の3-メチル-1-フェニル-2-ホスホレン-1-オキシド(MPPO)の0.0266%溶液を別々に調製する。溶液を20℃および窒素下で組み合わせて、最初に11.15ミリモルのフェニルイソシアネートおよび0.0166ミリモルの触媒を含む反応混合物を生成する。MPPO触媒とフェニルイソシアネートの開始重量比は0.0024:1である。モル比は0.0015:1である。撹拌しながら、反応混合物を30分かけて加熱還流(132℃)し、その温度で4時間保持する。無色透明の溶液が得られ、室温で維持される。フェニルイソシアネートはガスクロマトグラフィーでは検出できない。GC-MS分析で確認されたように、N,N’-ジフェニルカルボジイミドは存在するが、二量体化したフェニルイソシアネートおよびフェニルイソシアネートのウレトンイミンは検出されない。
A.モノクロロベンゼン中のフェニルイソシアネートの2重量%溶液を調製する。モノクロロベンゼン中のMPPOの0.0266%溶液を別々に調製する。溶液を20℃および窒素下で混合して、最初に5.5ミリモルのフェニルイソシアネートと0.0083ミリモルの触媒を含む反応混合物を生成する。撹拌しながら、反応混合物を15分間にわたって加熱還流(132℃)し、その温度で3.8時間保持する。無色透明の溶液が得られ、室温で維持される。フェニルイソシアネートはガスクロマトグラフィーでは検出できない。N,N’-ジフェニルカルボジイミドは存在するが、二量体化したフェニルイソシアネートとフェニルイソシアネートのウレトンイミンは検出されない。
Claims (11)
- MDIおよび/またはポリマーMDI製造プロセスであって、
a)アニリンをホルムアルデヒドと反応させて、メチレンジアニリン(MDA)と、少なくとも3つのアニリン基を有する1つ以上のポリメチレンポリアニリン(PMDA)と、未反応のアニリンとの混合物を生成する工程と、
b)工程a)において生成された前記混合物からアニリンを除去して、前記MDA、PMDA、および残留アニリンを含有するプロセス流を生成する工程と、
c)工程b)からの前記プロセス流を無極性溶媒中でホスゲン化して、前記無極性溶媒、MDI、少なくとも3つのフェニルイソシアネート基を有する1つ以上のポリメチレンポリフェニルイソシアネート(PMDI)、および少なくとも1つのフェニルイソシアネートを含有するイソシアネートプロセス流を形成する工程と、
d)蒸留によって、工程c)において得られた前記イソシアネートプロセス流からMDIおよびPMDIを分離して、前記無極性溶媒、溶媒流の重量に基づいて、0超~最大10重量パーセントの前記少なくとも1つのフェニルイソシアネート、ならびに前記溶媒流の重量に基づいて、0~5重量パーセントのMDIおよび/またはPMDIを含有する前記溶媒流を生成する工程と、
e)工程d)において得られた前記溶媒流を、触媒有効量のカルボジイミド化触媒の存在下で反応させて、前記少なくとも1つのフェニルイソシアネートの少なくとも一部を、N,N’-ジフェニルカルボジイミドに変換する工程と、
f)必要に応じて、前記カルボジイミド化触媒を除去および/または不活性化する工程と、
g)必要に応じて、工程e)において形成されたN,N’-ジフェニルカルボジイミド、無極性溶媒、ならびに必要に応じて、前記カルボジイミド化触媒および/または前記カルボジイミド化触媒の前記不活性化からの残留物を、直接的または間接的に工程d)にリサイクルする工程と、を含む、製造プロセス。 - 前記カルボジイミド化触媒が、ホスホレン化合物、ホスホリジン化合物、リン酸エステル、ホスフィンオキシド、ジアザホスホラン、オキサアザ-ホスホラン、ジアザホスホリナン、オキサアザホスホリナン、トリアリールアルシン、アルシンオキシド、アセチルアセトンの金属誘導体、d族遷移元素とT結合配位子に由来する金属錯体、尿素化合物、ビウレット化合物、アミド化合物、イミド化合物、およびアニリド化合物のうちの1つ以上である、請求項1に記載の製造プロセス。
- 前記カルボジイミド化触媒が、ホスホリジンである、請求項1又は2に記載の製造プロセス。
- 前記カルボジイミド化触媒がホスホリジンオキシドである、請求項1~3のいずれか一項に記載の製造プロセス。
- 前記カルボジイミド化触媒がホスホレンオキシドである、請求項1~4のいずれか一項に記載の製造プロセス。
- 工程f)が実施され、化学的不活性化剤を添加することによって実施される、請求項1~5のいずれか一項に記載の製造プロセス。
- 前記化学的不活性化剤がルイス酸を含む、請求項6に記載の製造プロセス。
- 前記ルイス酸が塩化スズ(II)を含む、請求項7に記載の製造プロセス。
- 工程(g)が実行される、請求項1~8のいずれか一項に記載の製造プロセス。
- 工程d)でリサイクルされたN,N’-ジフェニルカルボジイミドが、MDIおよび/またはPMDIと反応して、1つ以上のウレトンイミン化合物を形成する、請求項9に記載の製造プロセス。
- フェニルイソシアネートをN,N’-ジフェニルカルボジイミドに変換するための方法であって、有効量のカルボジイミド化触媒の存在下で液体無極性溶媒中のフェニルイソシアネートの溶液を反応させて、前記フェニルイソシアネートの少なくとも一部をN,N’-ジフェニルカルボジイミドに変換することを含む、方法。
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US20220106264A1 (en) | 2022-04-07 |
CN113474388B (zh) | 2024-03-22 |
US12030836B2 (en) | 2024-07-09 |
BR112021015332A2 (pt) | 2021-10-05 |
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