JP7434173B2 - ニトリルゴムのメタセシスのための、ルテニウム触媒及びオスミウム触媒の使用 - Google Patents
ニトリルゴムのメタセシスのための、ルテニウム触媒及びオスミウム触媒の使用 Download PDFInfo
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- JP7434173B2 JP7434173B2 JP2020558043A JP2020558043A JP7434173B2 JP 7434173 B2 JP7434173 B2 JP 7434173B2 JP 2020558043 A JP2020558043 A JP 2020558043A JP 2020558043 A JP2020558043 A JP 2020558043A JP 7434173 B2 JP7434173 B2 JP 7434173B2
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- Prior art keywords
- nitrile rubber
- catalyst
- metathesis
- catalysts
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- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims description 113
- 229920000459 Nitrile rubber Polymers 0.000 title claims description 87
- 238000005649 metathesis reaction Methods 0.000 title claims description 55
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 title description 8
- 229910052707 ruthenium Inorganic materials 0.000 title description 8
- 229910052762 osmium Inorganic materials 0.000 title description 4
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 title description 4
- 238000000034 method Methods 0.000 claims description 30
- 238000000354 decomposition reaction Methods 0.000 claims description 21
- 239000000178 monomer Substances 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 12
- 150000001993 dienes Chemical class 0.000 claims description 12
- 150000002825 nitriles Chemical class 0.000 claims description 12
- -1 alkoxyalkyl ester Chemical class 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011541 reaction mixture Substances 0.000 claims description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 4
- 150000002763 monocarboxylic acids Chemical class 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 229920001897 terpolymer Polymers 0.000 claims description 2
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- 238000005984 hydrogenation reaction Methods 0.000 description 12
- 229920001223 polyethylene glycol Polymers 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- ZRPFJAPZDXQHSM-UHFFFAOYSA-L 1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazole;dichloro-[(2-propan-2-yloxyphenyl)methylidene]ruthenium Chemical compound CC(C)OC1=CC=CC=C1C=[Ru](Cl)(Cl)=C1N(C=2C(=CC(C)=CC=2C)C)CCN1C1=C(C)C=C(C)C=C1C ZRPFJAPZDXQHSM-UHFFFAOYSA-L 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- RQQSRSPQJIAORC-UHFFFAOYSA-L 1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazole;dichloro-[(5-nitro-2-propan-2-yloxyphenyl)methylidene]ruthenium Chemical compound CC(C)OC1=CC=C([N+]([O-])=O)C=C1C=[Ru](Cl)(Cl)=C1N(C=2C(=CC(C)=CC=2C)C)CCN1C1=C(C)C=C(C)C=C1C RQQSRSPQJIAORC-UHFFFAOYSA-L 0.000 description 8
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- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 8
- 238000005227 gel permeation chromatography Methods 0.000 description 7
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- 230000000052 comparative effect Effects 0.000 description 6
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- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 5
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- 150000001252 acrylic acid derivatives Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
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- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 3
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- 229910052703 rhodium Inorganic materials 0.000 description 3
- 239000010948 rhodium Substances 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 125000002030 1,2-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([*:2])C([H])=C1[H] 0.000 description 2
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 229910021604 Rhodium(III) chloride Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005865 alkene metathesis reaction Methods 0.000 description 2
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 2
- 125000005907 alkyl ester group Chemical group 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- FCDPQMAOJARMTG-UHFFFAOYSA-L benzylidene-[1,3-bis(2,4,6-trimethylphenyl)imidazolidin-2-ylidene]-dichlororuthenium;tricyclohexylphosphane Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1.CC1=CC(C)=CC(C)=C1N(CCN1C=2C(=CC(C)=CC=2C)C)C1=[Ru](Cl)(Cl)=CC1=CC=CC=C1 FCDPQMAOJARMTG-UHFFFAOYSA-L 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003426 co-catalyst Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 2
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 1
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- XZDYFCGKKKSOEY-UHFFFAOYSA-N 1,3-bis[2,6-di(propan-2-yl)phenyl]-4,5-dihydro-2h-imidazol-1-ium-2-ide Chemical group CC(C)C1=CC=CC(C(C)C)=C1N1CCN(C=2C(=CC=CC=2C(C)C)C(C)C)[C]1 XZDYFCGKKKSOEY-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
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- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- NEAQRZUHTPSBBM-UHFFFAOYSA-N 2-hydroxy-3,3-dimethyl-7-nitro-4h-isoquinolin-1-one Chemical compound C1=C([N+]([O-])=O)C=C2C(=O)N(O)C(C)(C)CC2=C1 NEAQRZUHTPSBBM-UHFFFAOYSA-N 0.000 description 1
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
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- 150000007824 aliphatic compounds Chemical class 0.000 description 1
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- 125000005448 ethoxyethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
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- QBERHIJABFXGRZ-UHFFFAOYSA-M rhodium;triphenylphosphane;chloride Chemical compound [Cl-].[Rh].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 QBERHIJABFXGRZ-UHFFFAOYSA-M 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Description
最初にニトリルゴムを、共オレフィンの存在下又は非存在下に、一般式(A)で表される錯体触媒とそのニトリルゴムを接触させることによる、メタセシス反応における分子量分解にかけ、次いで
a)メタセシス反応の後で、その反応混合物の中に存在している錯体触媒を、少なくとも1種の助触媒と、錯体触媒対助触媒のモル比が、1:(1~550)、好ましくは1:(20~550)のモル比になるように接触させ(ここでその助触媒には、触媒組成物を形成させる目的で、少なくとも1個のビニル基が含まれていなければならない)、その後で
b)工程a)で形成された新規な触媒組成物の存在下に前記ニトリルゴムを水素化させる。
ニトリルゴムをメタセシスさせるための方法で使用するのに適した触媒は、一般式(B)のものである。
Mは、ルテニウム又はオスミウムであり、
X及びX1は、それぞれ、互いに独立して、アニオン性の配位子であり、
Lは、中性の配位子であり、
R1は、水素、C1~C20アルキル、又はC5~C10アリールであり:
R6、R7、及びR8は、それぞれ独立して、水素、C1~C6アルキル、場合によっては置換されたC4~C10複素環、又は場合によっては置換されたC5~C14アリールであるが、ここで、R7とR8とで、置換若しくは非置換のC4~C8環状系を形成することもできる。]
メタセシス反応におけるニトリルゴムとしては、少なくとも1種の共役ジエン、少なくとも1種のα,β-不飽和ニトリル、そして場合によっては1種又は複数のさらなる共重合性モノマーの繰り返し単位を含む、コポリマー又はターポリマーを使用することができる。
Rは、水素、又は分岐状若しくは非分岐状のC1~C20アルキル、好ましくはメチル、エチル、ブチル、若しくはエチルヘキシルであり、
nは、1~8、好ましくは2~8、特に好ましくは2~5、及び極めて特に好ましくは2であり、そして
R1は、水素又はCH3-である。]
得られた、分解させたニトリルゴムの水素化を、本発明のメタセシス分解方法に組み合わせてもよい。これは、当業者公知の方法で実施することができる。
以下の実施例では、それぞれの場合において同一の使用量で、式(I)の触媒が、ニトリルゴムのメタセシス分解におけるメタセシス活性を有していることを示している。
「Grubbs II触媒」(比較例1):[1,3-ビス-(2,4,6-トリメチルフェニル)-2-イミダゾリジニリデン]ジクロロ(フェニルメチレン)(トリシクロヘキシルホスフィン)ルテニウム(CAS番号:246047-72-3)、C46H65Cl2N2PRu、分子量:848.97g/mol:(Grubbs II触媒は、Materia Inc社から入手した)。
メタセシス分解には、それぞれの場合において、425gのクロロベンゼン(MCB:Aldrich)を使用した。その中に、室温で24時間かけて75gのNBRを溶解させた。
Mw[g/mol]:重量平均分子量
Mn[g/mol]:数平均分子量
PDI:分子量分布の幅(Mw/Mn)。
式(I)の触媒と共に、「Grubbs II触媒」、「Hoveyda-Grubbs II触媒」、及び「nitro-Grela触媒」の活性は、本発明の式(I)の触媒と共に、触媒濃度0.0065phr(0.0049g)、及び助触媒の1-ヘキセン使用量4.0phr(3.1g)で実施した。
Claims (11)
- ニトリルゴムをメタセシス分解させるための方法であって、式(I)又は(III)
- 使用される前記触媒の量が、使用される前記ニトリルゴムを基準にして、0.001~1phrである、請求項1に記載の方法。
- 前記メタセシス反応が、共オレフィンの存在下に実施される、請求項1又は2に記載の方法。
- ニトリルゴムとして、少なくとも1種の共役ジエン、少なくとも1種のα,β-不飽和ニトリル、及び場合によっては1種又は複数のさらなる共重合性モノマーの繰り返し単位を含むコポリマー又はターポリマーが使用される、請求項1~3のいずれか一項に記載の方法。
- 前記共重合性モノマーとして、α,β-不飽和のモノカルボン酸若しくはジカルボン酸、それらのエステル若しくはアミド、それらのアルコキシアルキルエステル、又は一般式(X)
Rは、水素又は分岐状若しくは非分岐状のC1~C20アルキルであり、nは、1~8であり、及びR1は、水素又はCH3-である。]
のPEGアクリレート、並びに上述の共重合性モノマーの混合物が使用される、請求項4に記載の方法。 - 前記メタセシス反応において使用される前記ニトリルゴムが、30~70の範囲のムーニー粘度(ML1+4@100℃)を有する、請求項1~5のいずれか一項に記載の方法。
- 前記反応混合物中の前記ニトリルゴムの濃度が、前記反応混合物全体を基準にして、1~20重量%の範囲内であることを特徴とする、請求項1~6のいずれか一項に記載の方法。
- 前記メタセシス反応が、溶媒中で実施されることを特徴とする、請求項1~7のいずれか一項に記載の方法。
- 前記メタセシス反応が、10℃~150℃の範囲の温度で実施されることを特徴とする、請求項1~8のいずれか一項に記載の方法。
- 分解させた後のニトリルゴムを水素化させる、その後の工程をさらに含む、請求項1~9のいずれか一項に記載の方法。
- ニトリルゴムを、前記一般式(I)及び(III)の触媒の1つと接触させることを特徴とする、前記ニトリルゴムの分子量を低下させるための、請求項1~8のいずれか一項に記載の方法。
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