US20150025199A1 - Catalyst compositions and their use for hydrogenation of nitrile rubber - Google Patents
Catalyst compositions and their use for hydrogenation of nitrile rubber Download PDFInfo
- Publication number
- US20150025199A1 US20150025199A1 US14/352,071 US201214352071A US2015025199A1 US 20150025199 A1 US20150025199 A1 US 20150025199A1 US 201214352071 A US201214352071 A US 201214352071A US 2015025199 A1 US2015025199 A1 US 2015025199A1
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- US
- United States
- Prior art keywords
- alkyl
- aryl
- catalyst
- heteroaryl
- cycloalkyl
- Prior art date
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- Abandoned
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- RVBMUMIWCBWPLR-UHFFFAOYSA-D CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru-]23(Cl)(Cl)=CC4=C(C=CC(F)=C4)CN2(C)C2=CC=CC=C2[O+]3C)C(C)=C1.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=C(C(C)(C)C)C=C(C(C)(C)C)C=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C(C)C)C1=CC=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](CC)C1=CC=CC=C12.[H]N12CC3=C(C=C(OC)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12 Chemical compound CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru-]23(Cl)(Cl)=CC4=C(C=CC(F)=C4)CN2(C)C2=CC=CC=C2[O+]3C)C(C)=C1.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=C(C(C)(C)C)C=C(C(C)(C)C)C=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C(C)C)C1=CC=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](CC)C1=CC=CC=C12.[H]N12CC3=C(C=C(OC)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12 RVBMUMIWCBWPLR-UHFFFAOYSA-D 0.000 description 1
- BGGOAPRHGPSLLJ-UHFFFAOYSA-E CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru-]23(Cl)(Cl)=CC4=C(C=CC(F)=C4)CN2(C)C2=CC=CC=C2[O+]3C)C(C)=C1.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC(OC(C)C)=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](CC)C1=CC=CC=C12.[H]N12CC3=C(C=C(OC)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C(C)C)C1=CC=CC=C12 Chemical compound CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru-]23(Cl)(Cl)=CC4=C(C=CC(F)=C4)CN2(C)C2=CC=CC=C2[O+]3C)C(C)=C1.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC(OC(C)C)=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](CC)C1=CC=CC=C12.[H]N12CC3=C(C=C(OC)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C(C)C)C1=CC=CC=C12 BGGOAPRHGPSLLJ-UHFFFAOYSA-E 0.000 description 1
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- IXRUUNDSOWJHPF-UHFFFAOYSA-B CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru-]23(Cl)(Cl)=CC4=C(C=CC([N+](=O)[O-])=C4)N2(C)C/C(OC(C)C)=[O+]\3)C(C)=C1.CCN12C/C(OC(C)C)=[O+]\[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)=CC1=C2C=CC(Cl)=C1.CO/C1=[O+]/[Ru-]2(Cl)(Cl)(C3N(C4=C(C)C=C(C)C=C4C)CCN3C3=C(C)C=C(C)C=C3C)=CC3=C(C=CC([N+](=O)[O-])=C3)N2(C)C1.CO/C1=[O+]/[Ru-]2(Cl)(Cl)(C3N(C4=C(C)C=C(C)C=C4C)CCN3C3=C(C)C=C(C)C=C3C)=CC3=C(C=CC=C3)N2(C)C1.[H]N12C3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)/[O+]=C(/OC(C)C)C2C.[H]N12C3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)/[O+]=C(/OC)C2C Chemical compound CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru-]23(Cl)(Cl)=CC4=C(C=CC([N+](=O)[O-])=C4)N2(C)C/C(OC(C)C)=[O+]\3)C(C)=C1.CCN12C/C(OC(C)C)=[O+]\[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)=CC1=C2C=CC(Cl)=C1.CO/C1=[O+]/[Ru-]2(Cl)(Cl)(C3N(C4=C(C)C=C(C)C=C4C)CCN3C3=C(C)C=C(C)C=C3C)=CC3=C(C=CC([N+](=O)[O-])=C3)N2(C)C1.CO/C1=[O+]/[Ru-]2(Cl)(Cl)(C3N(C4=C(C)C=C(C)C=C4C)CCN3C3=C(C)C=C(C)C=C3C)=CC3=C(C=CC=C3)N2(C)C1.[H]N12C3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)/[O+]=C(/OC(C)C)C2C.[H]N12C3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)/[O+]=C(/OC)C2C IXRUUNDSOWJHPF-UHFFFAOYSA-B 0.000 description 1
- HWSLHXLAZDTDQX-FOIMTHPOSA-A CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru]2(Cl)(Cl)=CC3=C(C=C(F)C=C3)C=N2C2=CC=C(Cl)C=C2)C(C)=C1.CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru]2(Cl)(Cl)=CC3=C(C=CC=C3)C=N2C2=CC=C(Cl)C=C2)C(C)=C1.COC1=CC=C(N2=CC3=C(C=C(F)C=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=C(OC)C=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=CC(F)=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=CC=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.FC1=CC2=C(C=C1)C=[Ru](Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)N(C1=CC=C(Cl)C=C1)=C2 Chemical compound CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru]2(Cl)(Cl)=CC3=C(C=C(F)C=C3)C=N2C2=CC=C(Cl)C=C2)C(C)=C1.CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru]2(Cl)(Cl)=CC3=C(C=CC=C3)C=N2C2=CC=C(Cl)C=C2)C(C)=C1.COC1=CC=C(N2=CC3=C(C=C(F)C=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=C(OC)C=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=CC(F)=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=CC=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.FC1=CC2=C(C=C1)C=[Ru](Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)N(C1=CC=C(Cl)C=C1)=C2 HWSLHXLAZDTDQX-FOIMTHPOSA-A 0.000 description 1
- WIYZDYPTDCSSLG-DMZOPBQNSA-B CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru]2(Cl)(Cl)=CC3=C(C=C(F)C=C3)C=N2C2=CC=C(Cl)C=C2)C(C)=C1.CO/C1=[O+]/[Ru-]2(Cl)(Cl)(C3N(C4=C(C)C=C(C)C=C4C)CCN3C3=C(C)C=C(C)C=C3C)=CC3=C(C=CC([N+](=O)[O-])=C3)N2(C)C1.CO/C1=[O+]/[Ru-]2(Cl)(Cl)(C3N(C4=C(C)C=C(C)C=C4C)CCN3C3=C(C)C=C(C)C=C3C)=CC3=C(C=CC=C3)N2(C)C1.COC1=CC=C(N2=CC3=C(C=CC=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.[H]N12C3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)/[O+]=C(/OC(C)C)C2C.[H]N12C3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)/[O+]=C(/OC)C2C Chemical compound CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru]2(Cl)(Cl)=CC3=C(C=C(F)C=C3)C=N2C2=CC=C(Cl)C=C2)C(C)=C1.CO/C1=[O+]/[Ru-]2(Cl)(Cl)(C3N(C4=C(C)C=C(C)C=C4C)CCN3C3=C(C)C=C(C)C=C3C)=CC3=C(C=CC([N+](=O)[O-])=C3)N2(C)C1.CO/C1=[O+]/[Ru-]2(Cl)(Cl)(C3N(C4=C(C)C=C(C)C=C4C)CCN3C3=C(C)C=C(C)C=C3C)=CC3=C(C=CC=C3)N2(C)C1.COC1=CC=C(N2=CC3=C(C=CC=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.[H]N12C3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)/[O+]=C(/OC(C)C)C2C.[H]N12C3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)/[O+]=C(/OC)C2C WIYZDYPTDCSSLG-DMZOPBQNSA-B 0.000 description 1
- AGHZTNCXZAVOGX-ZIHIMLAWSA-A CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru]2(Cl)(Cl)=CC3=C(C=CC=C3)C=N2C2=CC=C(Cl)C=C2)C(C)=C1.COC1=CC2=C(C=C1)C=N(C1=CC=C(Cl)C=C1)[Ru](Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)=C2.COC1=CC=C(N2=CC3=C(C=C(F)C=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=C(OC)C=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=CC(Cl)=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=CC(F)=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.FC1=CC2=C(C=C1)C=[Ru](Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)N(C1=CC=C(Cl)C=C1)=C2 Chemical compound CC1=CC(C)=C(N2CCN(C3=C(C)C=C(C)C=C3C)C2[Ru]2(Cl)(Cl)=CC3=C(C=CC=C3)C=N2C2=CC=C(Cl)C=C2)C(C)=C1.COC1=CC2=C(C=C1)C=N(C1=CC=C(Cl)C=C1)[Ru](Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)=C2.COC1=CC=C(N2=CC3=C(C=C(F)C=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=C(OC)C=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=CC(Cl)=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.COC1=CC=C(N2=CC3=C(C=CC(F)=C3)C=[Ru]2(Cl)(Cl)C2N(C3=C(C)C=C(C)C=C3C)CCN2C2=C(C)C=C(C)C=C2C)C=C1.FC1=CC2=C(C=C1)C=[Ru](Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)N(C1=CC=C(Cl)C=C1)=C2 AGHZTNCXZAVOGX-ZIHIMLAWSA-A 0.000 description 1
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- RSHATQCIISMBAZ-UHFFFAOYSA-D [H]N1(C2=C(C)C=CC=C2C)CC2=C(C=C(F)C=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C.[H]N1(C2=CC=C(OC)C=C2)CC2=C(C=C(F)C=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C.[H]N1(C2=CC=C(OC)C=C2)CC2=C(C=C([N+](=O)[O-])C=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C.[H]N1(C2=CC=CC=C2)CC2=C(C=CC=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C.[H]N1(C2=CC=CC=C2C)CC2=C(C=C(F)C=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C Chemical compound [H]N1(C2=C(C)C=CC=C2C)CC2=C(C=C(F)C=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C.[H]N1(C2=CC=C(OC)C=C2)CC2=C(C=C(F)C=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C.[H]N1(C2=CC=C(OC)C=C2)CC2=C(C=C([N+](=O)[O-])C=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C.[H]N1(C2=CC=CC=C2)CC2=C(C=CC=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C.[H]N1(C2=CC=CC=C2C)CC2=C(C=C(F)C=C2)C=[Ru]1(Cl)(Cl)C1N(C2=C(C)C=C(C)C=C2C)CCN1C1=C(C)C=C(C)C=C1C RSHATQCIISMBAZ-UHFFFAOYSA-D 0.000 description 1
- POBSXABSDAQUSK-UHFFFAOYSA-D [H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC(OC(C)C)=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=C(C)C=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=C([N+](=O)[O-])C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC=CC=C12.[H]N12CC3=C(C=C([N+](=O)[O-])C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C(C)C)C1=CC=CC=C12 Chemical compound [H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC(OC(C)C)=CC=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=C(C)C=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=C([N+](=O)[O-])C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC=CC=C12.[H]N12CC3=C(C=C([N+](=O)[O-])C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)([PH](C1CCCCC1)(C1CCCCC1)C1CCCCC1)[O+](C(C)C)C1=CC=CC=C12 POBSXABSDAQUSK-UHFFFAOYSA-D 0.000 description 1
- LTNHPQGRCKNHHO-UHFFFAOYSA-D [H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=C(C)C=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=C([N+](=O)[O-])C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC=CC=C12.[H]N12CC3=C(C=C([N+](=O)[O-])C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[C+](C(C)C)C1=CC=CC=C12 Chemical compound [H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=C(C)C=C12.[H]N12CC3=C(C=C(F)C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=C([N+](=O)[O-])C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C(C)C)C1=CC=CC=C12.[H]N12CC3=C(C=C([N+](=O)[O-])C=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[O+](C)C1=CC=CC=C12.[H]N12CC3=C(C=CC=C3)C=[Ru-]1(Cl)(Cl)(C1N(C3=C(C)C=C(C)C=C3C)CCN1C1=C(C)C=C(C)C=C1C)[C+](C(C)C)C1=CC=CC=C12 LTNHPQGRCKNHHO-UHFFFAOYSA-D 0.000 description 1
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- B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
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- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
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Definitions
- This invention relates to novel catalyst compositions based on Ruthenium- or Osmium-based complex catalysts with metathetic activity and specific co-catalysts in a certain molar ratio and to a process for selectively hydrogenating nitrile rubbers in the presence of such novel catalyst compositions.
- acrylonitrile-butadiene rubber or “nitrile rubber”, also named as “NBR” for short, shall be interpreted broadly and refers to rubbers which are copolymers or terpolymers of at least one ⁇ , ⁇ -unsaturated nitrile, at least one conjugated diene and, if desired, one or more further copolymerizable monomers.
- Hydrogenated NBR also referred to as “HNBR” for short, is produced commercially by hydrogenation of NBR. Accordingly, the selective hydrogenation of the carbon-carbon double bonds in the diene-based polymer must be conducted without affecting the nitrile groups and other functional groups (such as carboxyl groups when other copolymerizable monomers were introduced into the polymer chains) in the polymer chains.
- HNBR is a specialty rubber which has very good heat resistance, an excellent resistance to ozone and chemicals and also an excellent oil resistance.
- the abovementioned physical and chemical properties of HNBR are associated with very good mechanical properties, in particular a high abrasion resistance. For this reason, HNBR has found wide use in a variety of applications.
- HNBR is used, for example, for seals, hoses, belts and damping elements in the automobile sector, also for stators, oil well seals and valve seals in the field of oil exploration and also for numerous parts in the aircraft industry, the electronics industry, mechanical engineering and shipbuilding.
- a hydrogenation conversion higher than 95%, or a residual double bond (RDB) content ⁇ 5%, without cross-linking during the hydrogenation reaction and a gel level of less than about 2.5% in the resultant HNBR is a threshold that ensures high-performance applications of HNBR in these areas and guarantees excellent processability of the final product.
- the degree of hydrogenation of the copolymerized diene units in HNBR may vary in the range from 50 to 100%, however, the desired hydrogenation degree is from about 80 to about 100%, preferably from about 90 to about 99.9%.
- Commercial grades of HNBR typically have a remaining level of unsaturation below 18% and a content of acrylonitrile of roughly up to about 50%.
- the catalysts used are usually based on rhodium, ruthenium or palladium, but it is also possible to use platinum, iridium, rhenium, osmium, cobalt or copper either as metal or preferably in the form of metal compounds (see e.g. U.S. Pat. No. 3,700,637, DE-A-25 39 132, EP-A-0 134 023, DE-A-35 41 689, DE-A-35 40 918, EP-A-0 298 386, DE-A-35 29 252, DE-A-34 33 392, U.S. Pat. No. 4,464,515 and U.S. Pat. No. 4,503,196).
- Suitable catalysts and solvents for a hydrogenation in the homogeneous phase are known from DE-A-25 39 132 and EP-A-0 471 250.
- NBR hydrogenation processes can be performed using Os-based catalysts.
- One catalyst excellently suited for NBR hydrogenation is OsHCl(CO)(O 2 )(PCy 3 ) 2 as described in Ind. Eng. Chem. Res., 1998, 37(11), 4253-4261).
- the rates of hydrogenation using this catalyst are superior to those produced by Wilkinson's catalyst (RhCl(PPh 3 ) 3 ) over the entire range of reaction conditions studied.
- Ru-based complexes are also good catalysts for polymer solution hydrogenation, and the price for Ru metal is even cheaper.
- Ru—PPh 3 complexes and RuHCl(CO)L 2 (L is a bulky phosphine) catalyst systems lead to quantitative hydrogenation of NBR as disclosed in Journal of Molecular Catalysis A: Chemical, 1997, 126(2-3), 115-131). During such hydrogenation it is not necessary to add a free phosphine ligand to maintain the catalyst activity. However, they are prone to gel formation and may cause a certain degree of cross-linking during hydrogenation.
- Os or Ru catalysts are active catalysts for hydrogenation only, not for metathesis reactions. Therefore, these types of Os or Ru catalysts can not be used for NBR metathesis/degradation to produce NBR with reduced molecular weight.
- HNBR HNBR with a low Mooney viscosity is difficult to manufacture by the direct hydrogenation of commercially available NBR.
- the relatively high Mooney viscosity places restrictions on the processability of HNBR.
- Many applications would ideally use HNBR grades with a lower molecular weight and a lower Mooney viscosity. This would give a decisive improvement in processability.
- the Mooney viscosity range of marketed HNBR is limited by the lower limit of the Mooney viscosity of the NBR starting material.
- the molar mass of the NBR feedstock to be used for the hydrogenation cannot be reduced at will since otherwise work-up in the NBR industrial plants available is no longer possible because the rubber becomes too sticky.
- the lowest Mooney viscosity of an NBR feedstock which can be worked up without difficulties in an established industrial plant is in a range of about 30 Mooney units (ML1+4 at 100° C.).
- the Mooney viscosity of the hydrogenated nitrile rubber obtained using such an NBR feedstock is in the order of 55 Mooney units (ML1+4 at 100° C.).
- the Mooney viscosity is determined in accordance with ASTM standard D 1646.
- a nitrile rubber is reacted in a first step in the presence of a coolefine and a specific catalyst based on osmium, ruthenium, molybdenum or tungsten complexes and hydrogenated in a second step.
- the hydrogenated nitrile rubbers obtained may have a weight average molecular weight (Mw) in the range from 30 000 to 250 000, a Mooney viscosity (ML 1+4 at 100° C.) in the range from 3 to 50 and a polydispersity index PDI of less than 2.5.
- Mw weight average molecular weight
- ML 1+4 at 100° C. Mooney viscosity
- PDI polydispersity index
- Ru-based metathesis catalysts like e.g. Grubbs I (benzylidene bis(tricyclohexylphosphine)dichloro ruthenium), Grubbs II (benzylidene[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinyliden]tricyclohexylphosphin dichloro ruthenium), Grubbs III (benzylidene[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidin-ylidene]dichloro-bis(3-bromopyridine)ruthenium), Hoveyda-Grubbs II ([1,3-bis-(2,4,6-trimethylphenyl)-2-imidazolidinyliden]dichloro(o-isopropoxyphenylmethylen) ruthenium) (see e.g. US-A-2008/0064882)
- EP-A-1 905 777 discloses ruthenium complex catalysts having the general structure
- EP-A-1 905 777 further states that these catalysts can be used in olefin metathesis reactions including ring-closing olefin metathesis reactions, intermolecular olefin metathesis reactions, and olefin metathesis polymerization reactions.
- the examples show the preparation of low molecular weight substances by intramolecular ring closing metathesis in the presence of certain of the generally disclosed catalysts.
- EP-A-1 905 777 does neither provide any disclosure that these catalysts can be used to degrade the molecular weight of polymers, in particular nitrile rubbers nor that they show any hydrogenation activity.
- WO-A-2005/080456 the preparation of hydrogenated nitrile rubber polymers having low molecular weights and narrower molecular weight distributions than those known in the art is carried out by simultaneously subjecting the nitrile rubber to a metathesis reaction and a hydrogenation reaction.
- the reaction takes place in the presence of a Ruthenium- or Osmium-based pentacoordinated complex catalyst, in particular 1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene) (tricyclohexylphosphine) ruthenium (phenylmethy-lene)dichloride (also called Grubbs 2 nd generation catalyst).
- WO-A-2005/080456 does not provide any disclosure or teaching how to influence the two simultaneously occurring reactions, i.e. metathesis and hydrogenation or how to control the activity of the respective catalysts regarding metathesis and hydrogenation.
- WO-A-2011/023788 also discloses a process for subjecting a nitrile rubber in the presence of hydrogen to a combined and simultaneous metathesis and hydrogenation reaction in the presence of specifically defined hexacoordinated Ruthenium-oder Osmium based catalysts in order to prepare hydrogenated nitrile rubbers having lower molecular weights and narrower molecular weight distributions than those known in the art.
- Such process is performed by using at least one catalyst of general formula (I) to (III)
- WO-A-2011/029732 also discloses an alternative process for subjecting a nitrile rubber in the presence of hydrogen to a combined and simultaneous metathesis and hydrogenation reaction in the presence of specifically defined pentacoordinated Ruthenium- or Osmium based catalysts in order to prepare hydrogenated nitrile rubbers having low molecular weights and a narrow molecular weight distribution.
- Such process is performed in the presence of at least one compound of the general formula (1),
- WO-A-2011/079799 discloses a broad variety of catalysts the general structure of which is shown hereinafter
- such catalysts can be used to provide modified nitrile butadiene rubber (NBR) or styrene-butadiene rubber (SBR) by depolymerisation. It is further stated that the catalysts can be used in a method of making a depolymerized HNBR or styrene-butadiene rubber by adding one or more of those catalysts first to carry out depolymerisation of NBR, followed by adding hydrogen into the reactor under high pressure for hydrogenation. In another embodiment it is disclosed to prepare HNBR by adding hydrogen under high pressure first, then followed by adding one or more of the above catalysts.
- WO-A-2011/079799 does not provide any disclosure or teaching how to influence the different catalytic activities of the catalysts for depolymerisation (metathesis) and hydrogenation. It is accepted that while hydrogenation takes place simultaneously metathesis leads to a degradation of the molecular weight in uncontrolled manner.
- the metathesis catalyst Grubbs I can be used for ROMP of cyclooctene or a norbornene derivative first, then followed by a hydrogenation of the polymers. It is reported that the addition of a base like NEt 3 increases the catalytic activity in the hydrogenation reaction.
- J. Am. Chem. Soc 2007, 129, 4168-9 also relates to tandem ROMP-hydrogenation reactions starting from functionalized norbornenes and compares the use of three Ruthenium-based catalysts, i.e. Grubbs I, Grubbs II and Grubbs III catalysts in such tandem reactions. It is described that the Ruthenium-based catalyst on the end of the polymer backbone is liberated and transformed into a hydrogenation-active species through reaction with H 2 , base (NEt 3 ), and methanol.
- EP-A-1 197 509 discloses a process for preparing a hydrogenated polymer by polymerizing a cycloolefine in the presence of an organo ruthenium or osmium compound and subsequently subjecting the unsaturated polymer obtained during polymerization to a hydrogenation under addition of a hydrogenation catalyst.
- EP-A-1 197 509 does not describe any cross-metathesis and does not relate to any degradation of the polymer via metathesis
- the molar ratio of vinylethylether to the metathesis catalysts used is very high in order to efficiently stop the metathesis reaction by deactivation of the catalyst. In the aforementioned applications such molar ratio lies in a range of from 567:1 to more than 17,000:1. None of those patent applications provides any disclosure or hint that by choosing lower ratios of the deactivating reagent to the metathesis catalyst a catalyst composition is obtained which is excellently suited for a selective hydrogenation, i.e. without continuing to catalyse the metathetic degradation.
- di(ethylene glycol) vinyl ether and amine derivatives thereof can also be used as deactivating reagents for olefin metathesis catalysts. It is experimentally shown that the use of 4 equivalents of di(ethylene glycol) vinyl ether based on the metathesis catalyst are sufficient to efficiently deactivate the metathesis catalyst. Even 2 equivalents are reported to be sufficient. However, this reference does not deal with hydrogenation processes subsequently to olefin metathesis at all.
- PIB polyisobutylene
- the catalyst composition according to the present invention is obtainable by contacting a complex catalyst with at least one co-catalyst in a molar ratio of the complex catalyst to the co-catalyst in a range of from 1:(1-550), preferably 1:(20-550) wherein the co-catalyst must contain at least one vinyl group and wherein the complex catalyst has the general formula (A)
- the Invention furtheron relates to a process of hydrogenating a nitrile rubber comprising
- a specific embodiment of the present invention relates to an alternative process which comprises firstly subjecting a nitrile rubber to a molecular weight degradation in a metathesis reaction by contacting the nitrile rubber in the absence or presence of a co-olefin with a complex catalyst according to general formula (A) then
- the novel catalyst composition allows for the first time to perform a hydrogenation reaction of nitrile rubber without a simultaneous metathetic degradation of the nitrile rubber.
- the hydrogenation of nitrile rubbers using a transition-metal based metathesis catalyst can be carried out in a controlled manner, i.e. under formation of hydrogenated nitrile rubber with a controllable molecular weight. It is possible to keep the molecular weight of the nitrile rubber constant during hydrogenation. In the alternative it is also possible to adjust and regulate the molecular weight of the nitrile rubber in a desired manner by controlling and choosing the molar ratio between the metathesis catalyst and the co-catalyst when preparing the novel catalyst composition.
- the present process allows in a specific embodiment to take advantage of using one and the same catalyst for a metathesis reaction in a first step, then adding the co-catalyst to the reaction mixture of the metathesis reaction, thereby preparing the novel catalyst composition and thereafter hydrogenating the metathesized nitrile rubber in a second step.
- the co-catalyst can be added at any degree of metathesis to the reaction mixture containing the transition-metal based metathesis catalyst and therefore allows to prepare tailor-made hydrogenated nitrile rubbers in a commercially attractive fashion.
- the hydrogenation process of the present invention allows to use the transition metal based catalyst in a very low concentration, so that there is no need to remove or recycle the transition metal based catalyst after the hydrogenation.
- the catalyst composition prepared and used according to the present invention is characterized by its high hydrogenation activity. High hydrogenation degrees may be achieved in short reaction times.
- FIG. 1 FT-IR spectra of the (H)NBR samples during the hydrogenation in Example 1.
- FIG. 2 FT-IR spectra of the (H)NBR samples during the hydrogenation in Example 2.
- FIG. 3 FT-IR spectra of the (H)NBR samples during the hydrogenation in Example 3.
- FIG. 4 Hydrogenation degree of the (H)NBR samples during the hydrogenation process in Example 1-3.
- FIG. 5 FT-IR spectra of the (H)NBR samples before and after hydrogenation in Example 5.
- FIG. 6 Hydrogenation degree of the (H)NBR samples during the hydrogenation in Example 5.
- FIG. 7 FT-IR spectra of the (H)NBR samples before and after hydrogenation in Example 6.
- FIG. 8 FT-IR spectra of the (H)NBR samples before and after hydrogenation in Example 7.
- FIG. 9 FT-IR spectra of the (H)NBR samples before and after hydrogenation in Example 8.
- FIG. 10 Hydrogenation degree of the (H)NBR samples during the hydrogenation in Example 8.
- substituted used for the purposes of the present patent application means that a hydrogen atom on an indicated radical or atom has been replaced by one of the groups indicated in each case, with the proviso that the valency of the atom indicated is not exceeded and the substitution leads to a stable compound.
- the co-catalyst has the general formula (1)
- all alkyl, cycloalkyl, alkenyl, alkynyl, aryl, or heteroaryl moieties in R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 or R 9 may optionally be further substituted by one or more alkyl, halogen, alkoxy, alkenyloxy, aryl or heteroaryl substituents.
- All aforementioned moities, in particular the alkyl, alkenyl and/or alkynyl moieties can be either straight chain or branched to the extent chemically plausible.
- the above proviso that the valency of the atom indicated is not exceeded and the substitution leads to a stable compound shall be fulfilled.
- R and R′ represent OR 1
- both such R 1 can be linked to each other and together represent a divalent group —(C(R 2 ) 2 ) q — with q being 2, 3, 4 or 5 and R 2 being identical or different and having the meanings defined regarding formula (1) above.
- a cyclic structure is formed by the divalent group together with the two oxygen atoms to which it the divalent group is bound and the adjacent vinylic carbon atom.
- the catalyst composition is obtained using at least one, preferably one, co-catalyst having the general formula (1)
- the catalyst composition is obtained using at least one, preferably one, co-catalyst having the general formula (1)
- R and R′ are identical or different and shall mean
- the catalyst composition is obtained using at least one, preferably one, co-catalyst having the above depicted general formula (1) wherein
- p 0, 1, 2, 3 or 4,
- the catalyst composition is obtained using at least one, preferably one, co-catalyst having the above depicted general formula (1) wherein
- the catalyst composition is obtained using one co-catalyst having the above depicted general formulae (1) in which
- the alkyl, cycloalkyl, alkenyl, alkynyl, aryl, or heteroaryl moieties in R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 or R 9 may optionally be further substituted by one or more C 1 -C 6 -alkyl, C 5 -C 6 -cycloalkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, phenyl, imidazolyl, triazolyl, or pyridinyl moieties. All aforementioned substituents, in particular the alkyl, alkenyl and/or alkynyl moieties can be either straight chain or branched to the extent chemically plausible.
- a co-catalyst is used for the preparation of the novel catalyst compositions in which R and R′ both represent OR 1 where such R 1 together form a divalent group as defined above, wherein such specific co-catalysts have the following formulae with R 6 having the same meaning as outlined for general formula (1).
- the catalyst compositions according to the invention are obtained by using a catalyst of the general formula (A),
- the alkyl, cycloalkyl, alkenyl, alkynyl, aryl, or heteroaryl moieties in the respective moieties may optionally be further substituted by one or more C 1 -C 6 -alkyl, C 5 -C 6 -cycloalkyl, C 1 -C 6 -alkoxy, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, halogen, aryl, preferably phenyl, heteroaryl, preferably pyridinyl, imidazolyl, or triazolyl substituents. All aforementioned substituents, in particular the alkyl, alkenyl and/or alkynyl moieties can be straight-chain or branched to the extent chemically plausible.
- the catalysts of the general formula (A) are known in principle. Representatives of this class of compounds are e.g. the catalysts described by Hoveyda et al. in US 2002/0107138 A1 and Angew Chem. Int. Ed. 2003, 42, 4592, and the catalysts described by Grela in WO-A-2004/035596, Eur. J. Org. Chem 2003, 963-966 and Angew. Chem. Int. Ed. 2002, 41, 4038 and also in J. Org. Chem. 2004, 69, 6894-96 and Chem. Ear. J 2004, 10, 777-784. Further representatives of this class of catalysts are the catalysts described in EP-A-1 905 777. These catalysts are either commercially available or can be prepared as described in the literature references cited.
- L is an electron donating ligand.
- L is a phosphine, sulfonated phosphine, phosphate, phosphinite, phosphonite, arsine, stibine, ether, amine, amide, sulfonate, sulfoxide, carboxyl, nitrosyl, pyridine, thioether, imidazoline or imidazolidine ligand (the latter two also being jointly referred to as “Im” ligand(s)).
- phosphinite includes, for example, phenyl diphenylphosphinite, cyclohexyl dicyclohexylphosphinite, isopropyl diisopropylphosphinite and methyl diphenylphosphinite.
- phosphite includes, for example, triphenyl phosphite, tricyclohexyl phosphite, tri-tert-butyl phosphite, triisopropyl phosphite and methyl diphenyl phosphite.
- substitute includes, for example, triphenylstibine, tricyclohexylstibine and trimethylstibine.
- sulfonate includes, for example, trifluoromethanesulfonate, tosylate and mesylate.
- sulfoxide includes, for example, (CH 3 ) 2 S( ⁇ O) and (C 6 H 5 ) 2 S ⁇ O.
- thioether includes, for example, CH 3 SCH 3 , C 6 H 5 SCH 3 , CH 3 OCH 2 CH 2 SCH 3 and tetrahydrothiophene.
- pyridine is used as a collective term for all nitrogen-containing ligands as are mentioned by, for example, Grubbs in WO-A-03/011455.
- examples are: pyridine, picolines (including ⁇ -, ⁇ - and ⁇ -picoline), lutidines (including 2,3-, 2,4-, 2,5-, 2,6-, 3,4- and 3,5-lutidine), collidine (2,4,6-trimethylpyridine), trifluoromethylpyridine, phenylpyridine, 4-(dimethylamino)pyridine, chloropyridines, bromopyridines, nitropyridines, quinoline, pyrimidine, pyrrole, imidazole and phenylimidazole.
- L is an imidazoline or imidazolidine ligand (also jointly referred to als “Im” in this application unless indicated otherwise), this usually has a structure corresponding to the general formulae (IIa) or (IIb),
- R 8 , R 9 , R 10 , and R 11 can independently of one another, be substituted by one or more substituents, preferably straight-chain or branched C 1 -C 10 -alkyl, C 3 -C 8 -cycloalkyl, C 1 -C 10 -alkoxy or C 6 -C 24 -aryl, C 2 -C 20 heteroaryl, C 2 -C 20 heterocyclic, and a functional group selected from the group consisting of hydroxy, thiol, thioether, ketone, aldehyde, ester, ether, amine, imine, amide, nitro, carboxylic acid, disulphide, carbonate, isocyanate, carbodiimide, carboalkoxy, carbamate and halogen, where these abovementioned substituents, to the extent chemically possible, may in turn be substituted by one or more substituents, preferably selected from the group consisting of halogen, in particular chlorine
- R 8 and R 9 may be substituted by one or more further substituents selected from the group consisting of straight-chain or branched C 1 -C 10 -alkyl or C 1 -C 10 -alkoxy, C 3 -C 8 -cycloalkyl, C 6 -C 24 -aryl, and a functional group selected from the group consisting of hydroxy, thiol, thioether, ketone, aldehyde, ester, ether, amine, imine, amide, nitro, carboxylic acid, disulphide, carbonate, isocyanate, carbodiimide, carboalkoxy, carbamate and halogen, wherein all these substituents may in turn be substituted by one or more substituents, preferably selected from the group consisting of halogen, in particular chlorine or bromine, C 1 -C 5 -alkyl, C 1 -C 5 -alkoxy and phenyl.
- substituents preferably selected from the group consisting of
- R 10 and R 11 may be substituted by one or more further substituents selected from the group consisting of straight-chain or branched C 1 -C 10 -alkyl or C 1 -C 10 -alkoxy, C 3 -C 8 -cycloalkyl, C 6 -C 24 -aryl, and a functional group selected from the group consisting of hydroxy, thiol, thioether, ketone, aldehyde, ester, ether, amine, imine, amide, nitro, carboxylic acid, disulphide, carbonate, isocyanate, carbodiimide, carboalkoxy, carbamate and halogen, wherein all these substituents may in turn be substituted by one or more substituents, preferably selected from the group consisting of halogen, in particular chlorine or bromine, C 1 -C 5 -alkyl, C 1 -C 5 -alkoxy and phenyl.
- substituents preferably selected from the group consisting of
- imidazoline and imidazolidine ligands have the following structures (IIIa) to (IIIu), where “Ph” means in each case phenyl, “Bu” means butyl, “Mes” represents in each case 2,4,6-trimethylphenyl, “Dipp” means in all cases 2,6-diisopropylphenyl and “Dimp” means 2,6-dimethylphenyl.
- L may have the general formula (Ic) and (IId)
- R 8 , R 9 , R 10 , R 12 , R 13 and R 14 may be substituted also by one or more further substituents selected from the group consisting of straight-chain or branched C 1 -C 5 -alkyl, in particular methyl, C 1 -C 5 -alkoxy, aryl and a functional group selected from the group consisting of hydroxy, thiol, thioether, ketone, aldehyde, ester, ether, amine, imine, amide, nitro, carboxylic acid, disulphide, carbonate, isocyanate, carbodiimide, carboalkoxy, carbamate and halogen.
- the ligand L possesses general formula (IId) it most preferably represents PPh 3 , P(p-Tol) 3 , P(o-Tol) 3 , PPh(CH 3 ) 2 , P(CF 3 ) 3 , P(p-FC 6 H 4 ) 3 , P(p-CF 3 C 6 H 4 ) 3 , P(C 6 H 4 —SO 3 Na) 3 , P(CH 2 C 6 H 4 —SO 3 Na) 3 , P(isopropyl) 3 , P(CHCH 3 (CH 2 CH 3 )) 3 , P(cyclopentyl) 3 , P(cyclohexyl) 3 , P(neopentyl) 3 or P(neophenyl) 3 .
- X 1 and X 2 are identical or different ligands, preferably anionic ligands.
- X 1 and X 2 are identical or different and represent hydrogen, halogen, pseudohalogen, straight-chain or branched C 1 -C 30 -alkyl, C 6 -C 24 -aryl, C 1 -C 20 -alkoxy, C 6 -C 24 -aryloxy, C 3 -C 20 -alkyldiketonate, C 6 -C 24 -aryldiketonate, C 1 -C 20 -carboxylate, C 1 -C 20 -alkylsulfonate, C 6 -C 24 -arylsulfonate, C 1 -C 20 -alkylthiol, C 6 -C 24 -arylthiol, C 1 -C 20 -alkylsulfonyl or C 1 -C 20 -alkylsulfnyl.
- X 1 and X 2 can also be substituted by one or more further substituents, for example by halogen, preferably fluorine, C 1 -C 10 -alkyl, C 1 -C 10 -alkoxy or C 6 -C 24 -aryl, where these groups, too, may in turn also be substituted by one or more substituents selected from the group consisting of halogen, preferably fluorine, C 1 -C 5 -alkyl, C 1 -C 5 -alkoxy and phenyl.
- halogen preferably fluorine, C 1 -C 10 -alkyl, C 1 -C 10 -alkoxy or C 6 -C 24 -aryl
- X 1 and X 2 are identical or different and are each halogen, in particular fluorine, chlorine, bromine or iodine, benzoate, C 1 -C 5 -carboxylate, C 1 -C 5 -alkyl, phenoxy, C 1 -C 5 -alkoxy, C 1 -C 5 -alkylthiol, C 6 -C 24 -arylthiol, C 6 -C 24 -aryl or C 1 -C 5 -alkylsulfonate.
- halogen in particular fluorine, chlorine, bromine or iodine
- X 1 and X 2 are identical and are each halogen, in particular chlorine, CF 3 COO, CH 3 COO, CFH 2 COO, (CH 3 ) 3 CO, (CF 3 ) 2 (CH 3 )CO, (CF 3 )(CH 3 ) 2 CO, PhO (phenoxy), MeO (methoxy), EtO (ethoxy), tosylate (p-CH 3 —C 6 H 4 —SO 3 ), mesylate (CH 3 SO 3 ) or trifluoromethanesulfonate (CF 3 SO 3 ).
- R 1 shall mean hydrogen, alkyl, alkenyl, alkynyl or aryl.
- R 1 preferably represents hydrogen, C 1 -C 30 -alkyl, C 2 -C 20 -alkenyl, C 2 -C 20 -alkynyl or C 6 -C 24 -aryl.
- R 6 is particularly preferably hydrogen.
- R 6 shall mean H, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, hetero-aryl, —C( ⁇ O)R, —C( ⁇ O)OR, —C( ⁇ O)N(R) 2 , —C( ⁇ S)R, —C( ⁇ S)SR, —C( ⁇ S)OR, —C( ⁇ S)N(R) 2 , —S( ⁇ O) 2 N(R) 2 , —S( ⁇ O) 2 R, —S( ⁇ O)R or a group containing either a C ⁇ O or a C ⁇ S structural element adjacent to a carbon atom which is bound to Y in formula (A), wherein R in all occurrences is identical or different and represents hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl or heteroaryl.
- R 6 in all occurrences is identical or different and represents hydrogen, alkyl, cycloalkyl
- R 6 is typically C 1 -C 30 -alkyl, C 3 -C 20 -cycloalkyl, C 2 -C 20 -alkenyl, C 2 -C 20 -alkynyl, C 6 -C 24 -aryl, C 2 -C 20 heteroaryl, —C( ⁇ O)R, —C( ⁇ O)OR, —C( ⁇ O)N(R) 2 , —C( ⁇ S)R, —C( ⁇ S)SR, —C( ⁇ S)OR, —C( ⁇ S)N(R) 2 , S( ⁇ O) 2 N(R) 2 , —S( ⁇ O) 2 R, —S( ⁇ O)R, —CH(R 61 )—C( ⁇ O)(R 62 ) or —CH(R 61 )—C( ⁇ S)(R 62 ), wherein R 61 and R 62 are identical or different and represent alkyl, cycloalkyl, alken
- R 6 , R, R 61 and R 62 may in each case optionally be substituted by one or more C 1 -C 30 alkyl, fluoro, chloro, C 1 -C 20 alkoxy, C 6 -C 24 aryl or C 2 -C 20 heteroaryl substituents.
- R 6 is selected from the group consisting of
- C 3 -C 8 -cycloalkyl encompasses cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and cyclooctyl.
- C 6 -C 24 -aryl shall mean an aromatic moiety having from 6 to 24 skeletal carbon atoms.
- monocyclic, bicyclic or tricyclic carbocyclic aromatic radicals having from 6 to 10 skeletal carbon atoms mention may be made by way of example of phenyl, biphenyl, naphthyl, phenanthrenyl or anthracenyl.
- C 1 -C 12 -alkyl can be, for example, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, n-pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, neopentyl, 1-ethylpropyl, n-hexyl, n-heptyl, n-octyl, n-decyl or n-dodecyl.
- R 6 is particularly preferably straight-chain or branched C 1 -C 12 -alkyl, most preferably methyl or isopropyl.
- R 2 , R 3 , R 4 and R 5 are identical or different and can each be hydrogen or an organic or inorganic moiety.
- R 2 , R 3 , R 4 , R 5 are identical or different and are each hydrogen, halogen, nitro, cyano, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, heterocyclyl, heteroaryl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkoxycarbonyl, alkylthio, arylthio, —N(R) 2 , —Si(R) 3 , —O—Si(R) 3 , —C( ⁇ O)R, —C( ⁇ O)OR, —C( ⁇ O)N(R) 2 , —C( ⁇ S)R, —C( ⁇ S)SR, —C( ⁇ S)OR, —C( ⁇ S)N(R) 2 , —S( ⁇ O) 2 N(R) 2 , —S( ⁇ O)R, or —S( ⁇ O) 2 R wherein
- R 2 , R 3 , R 4 , R 5 are identical or different and may represent hydrogen, fluorine, chlorine, bromine, iodine, nitro, cyano, C 1 -C 20 -alkyl, C 3 -C 10 -cycloalkyl, C 2 -C 20 -alkenyl, C 2 -C 20 -alkynyl, C 6 -C 24 -aryl, C 2 -C 20 heterocyclyl, C 2 -C 20 heteroaryl, C 1 -C 20 -alkoxy, C 2 -C 20 -alkenyloxy, C 2 -C 20 -alkynyloxy, C 6 -C 24 -aryloxy, C 2 -C 20 -alkoxycarbonyl, C 1 -C 20 -alkylthio, C 6 -C 24 -arylthio, —N(R) 2 , —Si(R) 3 , —O—Si
- R 2 , R 3 , R 4 , R 5 may in each case optionally be substituted by one or more C 1 -C 30 -alkyl, C 1 -C 20 -alkoxy, halogen, C 6 -C 24 -aryl or heteroaryl moieties.
- R 2 , R 3 , R 4 , R 5 are identical or different and are each nitro, straight-chain or branched C 1 -C 10 -alkyl, C 5 -C 8 -cycloalkyl, straight-chain or branched C 1 -C 10 -alkoxy or C 6 -C 24 -aryl, most preferably phenyl or naphthyl.
- the C 1 -C 10 -alkyl and C 1 -C 10 -alkoxy moieties may optionally be interrupted by one or more double or triple bonds and/or one or more heteroatoms, preferably oxygen or —N(R)— with R being as defined above.
- R 2 , R 3 , R 4 or R 5 can also be bridged via aliphatic or aromatic structures.
- R 3 and R 4 together with the carbon atoms to which they are bound in the phenyl ring of the formula (B) can form a fused-on phenyl ring so that, overall, a naphthyl structure results.
- Suitable catalyst compositions are also obtained using a catalyst of general formula (A1),
- M, L, X 1 , X 2 , R 2 , R 3 , R 4 , R 5 , R 6 , n and E can have the general, preferred and particularly preferred meanings mentioned for the general formula (A).
- the catalysts of the general formula (A1) are known in principle from e.g., US 2002/0107138 A1 (Hoveyda et al.) and can be obtained by preparative methods indicated there.
- catalyst systems comprising catalysts of the general formula (A1) in which
- catalyst systems comprising catalysts of general formula (A1) in which
- R 8 , R 9 , R 10 , and R 11 in the specifically preferred catalysts of Formula (A1) may in each case be substituted by one or more further substituent(s), preferably straight-chain or branched C 1 -C 10 -alkyl, C 3 -C 8 -cycloalkyl, C 1 -C 10 -alkoxy or C 6 -C 24 -aryl, and these abovementioned substituents may in turn be substituted by one or more moieties, preferably selected from the group consisting of halogen, in particular chlorine or bromine, C 1 -C 5 -alkyl, C 1 -C 5 -alkoxy and phenyl.
- This catalyst is also referred to as “Hoveyda catalyst” in the literature.
- a further catalyst system according to the invention is obtainable using a catalyst of the general formula (A2),
- the catalysts of the general formula (A2) are known in principle from, for example, WO-A-2004/035596 (Grela) and can be obtained by preparative methods indicated there.
- catalysts falling under general formula (A2) have the following structures, where Mes is in each case 2,4,6-trimethylphenyl.
- the catalyst depicted on the left is also known as “Grela catalyst” in the literature.
- catalysts of the general formula (A3) can be used in the process of the present invention.
- the moieties listed as meanings for X 1 and X 2 can also be substituted by one or more further groups, for example by halogen, preferably fluorine, C 1 -C 10 -alkyl, C 1 -C 10 -alkoxy or C 6 -C 24 -aryl, where these groups, too, may once again be substituted by one or more substituents selected from the group consisting of halogen, preferably fluorine, C 1 -C 5 -alkyl, C 1 -C 5 -alkoxy and phenyl.
- halogen preferably fluorine, C 1 -C 10 -alkyl, C 1 -C 10 -alkoxy or C 6 -C 24 -aryl
- X 1 and X 2 are identical or different and are each halogen, in particular fluorine, chlorine, bromine or iodine, benzoate, C 1 -C 5 -carboxylate, C 1 -C 5 -alkyl, phenoxy, C 1 -C 5 -alkoxy, C 1 -C 5 -alkylthiol, C 6 -C 24 -arylthiol, C 6 -C 24 -aryl or C 1 -C 5 -alkylsulphonate.
- halogen in particular fluorine, chlorine, bromine or iodine
- X 1 and X 2 are identical and are each halogen, in particular chlorine, CF 3 COO, CH 3 COO, CFH 2 COO, (CH 3 ) 3 CO, (CF 3 ) 2 (CH 3 )CO, (CF 3 )(CH 3 ) 2 CO, PhO (phenoxy), MeO (methoxy), EtO (ethoxy), tosylate (p-CH 3 —C 6 H 4 —SO 3 ), mesylate (CH 3 SO 3 ) or trifluoromethanesulphonate (CF 3 SO 3 ).
- complex catalysts having the general structure (A3) are suited for obtaining the novel catalyst compositions wherein
- complex catalysts having the general structure (A3) are suited for obtaining the novel catalyst compositions wherein
- ruthenium complex catalysts having the general structure (A3) are suited for obtaining the novel catalyst compositions, wherein L can be selected from following structures (IIa), (IIb), (IIc) and (IId),
- complex catalysts having the general structure (A3) are suited for obtaining the novel catalyst compositions, in which the ligand L has the structure (IIa) or (IIb) wherein R 10 and R 11 are each an aryl group, more preferably each a substituted phenyl group, most preferably each 2,4,6-trimethylphenyl and R 8 and R 9 are each hydrogen, respectively.
- complex catalysts having the general structure (A3) are suited for obtaining the novel catalyst compositions, in which the ligand L has the structure (IId) wherein R 12 , R 13 and R 14 are each cyclohexyl, respectively.
- ruthenium complex catalysts having the general structure (A3) are suited for obtaining the novel catalyst compositions, wherein
- complex catalysts having the general structure (A3) are suited for obtaining the novel catalyst compositions, wherein
- catalysts of general formula (A4) can be used coming under general formula (I) with n being 1.
- M, L, Y, X 1 , X 2 , R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and n have all general, preferred, more preferred and particularly preferred meanings as given for general formula (A).
- M, L, Y, X 1 , X 2 , R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 have all general, preferred, more preferred and particularly preferred meanings as given for general formula (A).
- M is Ruthenium and Y is oxygen or NH with L, X 1 , X 2 , R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and n having all general, preferred, more preferred and particularly preferred meanings as given for general formula (A).
- Suitable catalysts falling under general formula (A4) and in particular under general formula (A4-2) have the following structures:
- catalysts of general formula (A4) may be used
- substituent R 6 may then coordinate to the metal of the complex catalyst via the oxygen in the alkoxy group, or the nitrogen in the N(R) 2 substituent.
- substituent R 6 may then coordinate to the metal of the complex catalyst via the oxygen in the alkoxy group, or the nitrogen in the N(R) 2 substituent.
- Suitable catalysts falling under general formula (A5) have the following structures:
- a further alternative embodiment provides a catalyst system according to the invention obtainable by using a catalyst of the general formula (A6)
- the catalysts of the general formula (A6) are known in principle. Representatives of this class of compounds are the catalysts described by Arlt et al. in WO-A1-2008/034552 and by Zhan in WO-A-2011/079799. The catalysts are commercially available or can be prepared as described in the references cited.
- L is a ligand, usually a ligand having an electron donor function.
- L can have all meanings as described above relating to general formula (A). It can in particular represent a P(X 3 ) 3 ligand, where X 3 are each, independently of one another, C 1 -C 6 -alkyl, C 3 -C 8 -cycloalkyl or aryl or L is a substituted or unsubstituted imidazoline or imidazolidine ligand as defined in general formulae (IIa), (IIb), and (IIIa) to (IIIn) further above with regard to the catalyst of the general formula (A).
- Alkyl in general formulae (A6) as well as (A6-1) and (A6-2) preferably means C 1 -C 6 -Alkyl which is, for example, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, n-pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, neopentyl, 1-ethylpropyl or n-hexyl.
- Cycloalkyl in general formulae (A6) as well as (A6-1) and (A6-2) preferably means C 3 -C 8 -Cycloalkyl which encompasses cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and cyclooctyl.
- Aryl in general formulae (A6) as well as (A6-1) and (A6-2) encompasses an aromatic radical having from 6 to 24 skeletal carbon atoms.
- Preferred monocyclic, bicyclic or tricyclic carbocyclic aromatic radicals having from 6 to 10 skeletal carbon atoms are, for example, phenyl, biphenyl, naphthyl, phenanthrenyl and anthracenyl.
- X 1 and X 2 are identical or different ligands and can be, for example, hydrogen, halogen, pseudohalogen, straight-chain or branched C 1 -C 30 -alkyl, C 6 -C 24 -aryl, C 1 -C 20 -alkoxy, C 6 -C 24 -aryloxy, C 3 -C 20 -alkyldiketonate, C 6 -C 24 -aryldiketonate, C 1 -C 20 -carboxylate, C 1 -C 20 -alkylsulphonate, C 6 -C 24 -arylsulphonate, C 1 -C 20 -alkylthiol, C 6 -C 24 -arylthiol, C 1 -C 20 -alkylsulphonyl or C 1 -C 20 -alkylsulphinyl.
- the abovementioned ligands X 1 and X 2 can also be substituted by one or more further substituents, e.g, by halogen, preferably fluorine, C 1 -C 10 -alkyl, C 1 -C 10 -alkoxy or C 6 -C 24 -aryl, where these substituents may optionally also in turn be substituted by one or more substituents selected from the group consisting of halogen, preferably fluorine, C 1 -C 5 -alkyl, C 1 -C 5 -alkoxy and phenyl.
- halogen preferably fluorine, C 1 -C 10 -alkyl, C 1 -C 10 -alkoxy or C 6 -C 24 -aryl
- X 1 and X 2 are identical or different and are each halogen, in particular fluorine, chlorine or bromine, benzoate, C 1 -C 5 -carboxylate, C 1 -C 5 -alkyl, phenoxy, C 1 -C 5 -alkoxy, C 1 -C 5 -alkylthiol, C 6 -C 24 -arylthiol, C 6 -C 24 -aryl or C 1 -C 5 -alkylsulphonate.
- halogen in particular fluorine, chlorine or bromine
- X 1 and X 2 are identical and are each halogen, in particular chlorine, CF 3 COO, CH 3 COO, CFH 2 COO, (CH 3 ) 3 CO, (CF 3 ) 2 (CH 3 )CO, (CF 3 )(CH 3 ) 2 CO, PhO (phenoxy), MeO (methoxy), EtO (ethoxy), tosylate (p-CH 3 —C 6 H 4 —SO 3 ), mesylate (2,4,6-trimethylphenyl) or CF 3 SO 3 (trifluoromethanesulphonate).
- R 61 and R 62 are identical or different and represent alkyl, cycloalkyl, alkenyl, alkynyl, aryl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkoxycarbonyl, alkylamino, alkylthio, arylthio, alkylsulphonyl or alkylsulphinyl, each of which may optionally be substituted by one or more alkyl, halogen, alkoxy, aryl or heteroaryl substituents, however, R 61 may also represent hydrogen in the alternative.
- R 61 and R 62 are identical or different and preferably represent C 1 -C 30 -alkyl, C 3 -C 20 -cycloalkyl, C 2 -C 20 -alkenyl, C 2 -C 20 -alkynyl, C 6 -C 24 -aryl, C 1 -C 20 -alkoxy, C 2 -C 20 -alkenyloxy, C 2 -C 20 -alkynyloxy, C 6 -C 24 -aryloxy, C 2 -C 20 -alkoxycarbonyl, C 1 -C 20 -alkylamino, C 1 -C 20 -alkylthio, C 6 -C 24 -arylthio, C 1 -C 20 -alkylsulfonyl or C 1 -C 20 -alkylsulfinyl, each of which may optionally be substituted by one or more alkyl, alkoxy,
- R 61 is hydrogen and Re is C 3 -C 20 -cycloalkyl, C 6 -C 24 -aryl or straight-chain or branched C 1 -C 12 -alkyl, with the latter optionally being able to be interrupted by one or more double or triple bonds or one or more heteroatoms, preferably oxygen or nitrogen, or where in the alternative R 61 and R 62 may form a cyclic structure together with the two adjacent carbon atoms to which they are bound.
- C 3 -C 20 -cycloalkyl then encompasses, for example, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and cyclooctyl
- C 1 -C 12 -alkyl can be, for example, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, n-pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, neopentyl, 1-ethylpropyl, n-hexyl, n-heptyl, n-octyl, n-decyl or n-dodecyl and C 6 -C 24 -aryl radical is an aromatic radical having from 6 to 24 skeletal carbon atoms, more preferably a monocyclic, bicycl
- R 1 is hydrogen or an alkyl, alkenyl, alkynyl or aryl radical.
- R 1 is preferably hydrogen or a C 1 -C 30 -alkyl radical, a C 2 -C 20 -alkenyl radical, a C 2 -C 20 -alkynyl radical or a C 6 -C 24 -aryl radical.
- R 1 is particularly preferably hydrogen.
- R 2 , R 3 , R 4 and R 5 are identical or different and can be H, organic or inorganic substituents.
- R 2 , R 3 , R 4 , R 5 are identical or different and are each H, halogen, nitro, CF 3 , alkyl, cycloalkyl, alkenyl, alkynyl, aryl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkoxycarbonyl, alkylamino, alkylthio, arylthio, alkylsulphonyl or alkylsulphinyl, each of which may optionally be substituted by one or more alkyl, alkoxy, halogen, aryl or heteroaryl substituents.
- R 2 , R 3 , R 4 , R 5 are identical or different and are H, halogen, preferably chlorine or bromine, nitro, CF 3 , C 1 -C 30 -alkyl, C 3 -C 20 -cycloalkyl, C 2 -C 20 -alkenyl, C 2 -C 20 -alkynyl, C 6 -C 24 -aryl, C 1 -C 20 -alkoxy, C 2 -C 20 -alkenyloxy, C 2 -C 20 -alkynyloxy, C 6 -C 24 -aryloxy, C 2 -C 20 -alkoxycarbonyl, C 1 -C 20 -alkylamino, C 1 -C 20 -alkylthio, C 6 -C 24 -arylthio, C 1 -C 20 -alkylsulphonyl or C 1 -C 20 -alkylsulphinyl, each of which may
- R 2 , R 3 , R 4 , R 5 are identical or different and are each nitro, a straight-chain or branched C 1 -C 12 -alkyl or C 6 -C 20 -cycloalkyl radical, a straight-chain or branched C 1 -C 20 -alkoxy radical or a C 6 -C 24 -aryl radical, most preferably phenyl or naphthyl.
- the C 1 -C 12 -alkyl and C 1 -C 20 -alkoxy groups may optionally be interrupted by one or more double or triple bonds or one or more heteroatoms, preferably oxygen or nitrogen.
- R 2 , R 3 , R 4 or R 5 can be bridged via aliphatic or aromatic structures.
- R 3 and R 4 can, with inclusion of the carbon atoms to which they are bound in the phenyl ring of the formula (Q), form a fused-on phenyl ring so that overall a naphthyl structure results.
- a very particularly preferred catalyst which comes under the general structural formula (A6) has the following structure and is also referred to as “Arlt catalyst”.
- catalysts of general formula (A7) can be used to prepare the novel catalyst compositions
- all catalysts according to general formula (A) can be used in immobilized form.
- the immobilization favourably occurs via a chemical bond of the complex catalyst to the surface of a support material.
- e.g. complex catalysts having the general formulae (support-1), (support-2), (support-3), or (support-4) as depicted below, wherein M, Y, L, X 1 , X 2 , R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , n and E may have all general, preferred, more preferred, particularly preferred and most preferred meanings listed above in this application for general formula (A) and wherein “supp” stands for the support material.
- the support material represents a macromolecular material, or silica gels.
- macromolecular material synthetic polymers or resins may be used, with polyethylene glycol, polystyrenes or cross-linked polystyrenes (e.g. poly(styrene-divinylbenzene) copolymers (PS-DVB)) being even more preferred.
- PS-DVB poly(styrene-divinylbenzene) copolymers
- Such support material comprises functional groups on its surface which are able to form covalent bonds to one of the ligands or substituents of the complex catalyst, like e.g. to the ligand L or X 1 or to the substituents R 3 or R 4 as shown in the below depicted formulae.
- “supp” stands more preferably for a polymeric support, a resin, polyethyleneglycole, or silica gels having one or more functional groups “X 3 ” on their surface which are able to form a covalent bond to one of the ligands, like e.g. the L, R or X 1 as shown in the above formulae.
- Suitable functional groups “X 3 ” on the surface are hydroxyl, amino, thiol, carboxyl, C 1 -C 20 alkoxy, C 1 -C 20 alkylthio, —Si(R) 3 , —O—Si(R) 3 , C 6 -C 14 aryloxy, C 2 -C 14 heterocyclic, —C( ⁇ O)R, —C( ⁇ O)OR, —C( ⁇ O)N(R) 2 , —SO 2 N(R) 2 , —S( ⁇ O) 2 R, or —S( ⁇ O)R wherein in all above occurrences of R in X 3 is identical or different and shall mean H, C 1 -C 6 -alkyl, C 5 -C 6 -cycloalkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, phenyl, imidazolyl, triazolyl, or pyridinyl
- Polystyrene or cross-linked polystyrene is the preferred support material, even more preferably with hydroxyl groups on the surface to allow an easy coupling to the catalyst.
- the preparation of the novel catalyst composition in step a) of the present process is performed at an appropriate temperature.
- the choice of the temperature is influenced by the nature of the co-catalyst and the boiling temperature thereof.
- this preparation step a) is performed at a temperature in the range of from ⁇ 20° C. to 160° C., preferably in the range of from 20° C. to 80° C.
- the suitable time for the catalyst pretreatment using vinyl-containing substance ranges from about 1 minute to 48 hours.
- the ratio of co-catalyst to transition metal catalyst is 1:(1-550), preferably 1:(20-550), more preferably 1:(20-500), very preferably 1:(25-475), even more preferably 1:(25-450), most preferably 1:(30-450) and particularly 1:(30-100).
- the preparation of the novel catalyst composition can be carried out in a suitable solvent which does not deactivate the catalyst used and also does not have an adverse effect on the hydrogenation in any other way.
- suitable solvents include, but are not restricted to, dichloromethane, benzene, toluene, methyl ethyl ketone, acetone, tetrahydrofuran, tetrahydropyran, dioxane, cyclohexane and chlorobenzene.
- the particularly preferred solvents are chlorobenzene and methyl ethyl ketone.
- novel catalyst composition is performed before hydrogen is brought into the reaction system.
- the hydrogenation of the nitrile rubber can be carried out by bringing the nitrile rubber into contact with the catalyst composition formed in step a) of the present process in the presence of hydrogen.
- the hydrogenation is preferably carried out at a temperature in the range of from 60° C. to 200° C., preferably from 80° C. to 180° C., most preferably from 100° C. to 160° C. and at a hydrogen pressure in the range of 0.5 MPa to 35 MPa, more preferably of 3.0 MPa to 10 MPa.
- the hydrogenation time of the nitrile rubber is from 10 minutes to 24 hours, preferably from 15 minutes to 20 hours, more preferably from 30 minutes to 4 hours, even more preferably from 1 hour to 8 hours and most preferably from 1 hour to 3 hours.
- the amount of the metathesis catalyst to the nitrile rubber in step b) depends on the nature and the catalytic activity of the metathesis catalyst.
- the amount of catalyst employed in step 1 is typically chosen in the range of from 1 to 1000 ppm of noble metal, preferably from 2 to 500 ppm, in particular from 5 to 250 ppm, based on the nitrile rubber used.
- tandem process comprises performing a metathesis step before the above described steps a) and b).
- Such alternative process comprises firstly subjecting a nitrile rubber to a molecular weight degradation in a metathesis reaction by contacting the nitrile rubber in the absence or presence of a co-olefin with a complex catalyst of general formula (A), then
- Such alternative process allows the production of hydrogenated nitrile rubber with a molecular weight which can be specifically controlled by the metathesis step.
- the NBR metathesis as first step of the tandem method can be carried out in the absence or presence of a co-olefin.
- This co-olefin is preferably a straight-chain or branched C 2 -C 16 -olefin.
- Suitable co-olefins are, for example, ethylene, propylene, isobutene, styrene, 1-hexene and 1-octene. Particular preference is given to using 1-hexene or 1-octene.
- the amount of co-olefin is preferably in the range 0.2-20% by weight, based on the nitrile rubber used. If the co-olefin is a gas, as in the case of, for example, ethylene, the amount of co-olefin is selected so that a pressure in the range 1 10 5 Pa-1 10 7 Pa, preferably a pressure in the range from 5.2 10 5 Pa to 4 10 6 Pa, is established in the reaction vessel at room temperature.
- the metathesis reaction can be carried out in a suitable solvent which does not deactivate the catalyst used and also does not have an adverse effect on the reaction in any other way.
- suitable solvents include, but are not restricted to, dichloromethane, benzene, toluene, methyl ethyl ketone, acetone, tetrahydrofuran, tetrahydropyran, dioxane, cyclohexane and chlorobenzene.
- the particularly preferred solvent is chlorobenzene.
- the co-olefin itself can function as solvent, e.g. in the case of 1-hexene, the addition of a further additional solvent can be dispensed with.
- the amount of catalyst based on the nitrile rubber used in the tandem method according to the invention depends on the nature and the catalytic activity of the specific complex catalyst.
- the amount of catalyst used is usually from 1 to 1000 ppm of noble metal, preferably from 2 to 500 ppm, in particular from 5 to 250 ppm, based on the nitrile rubber used.
- the concentration of the nitrile rubber used in the reaction mixture of the metathesis is not critical, but it should naturally be ensured that the reaction is not adversely affected by an excessively high viscosity of the reaction mixture and the associated mixing problems.
- the concentration of NBR in the reaction mixture is preferably in the range from 1 to 25% by weight, particularly preferably in the range from 5 to 20% by weight, based on the total reaction mixture.
- the metathetic degradation is usually carried out at a temperature in the range from 10° C. to 150° C., preferably at a temperature in the range from 20 to 80° C.
- the metathesis reaction time depends on a number of factors, for example on the type of NBR, the type of catalyst, the catalyst concentration used and the reaction temperature.
- the progress of the cross-metathesis can be monitored by standard analytical methods, e.g. by GPC measurements or by determination of the viscosity.
- the reaction is typically allowed to be conducted for about 15 minutes to six hours under normal conditions. It is also possible to perform the metathesis reaction until the reaction ceases by deactivation of the catalyst.
- the reaction mixture containing the metathesis catalyst is taken and brought into contact with the co-catalyst having the general formula (1) or (2).
- the co-catalyst is simply added to the reaction mixture, preferably in the same solvent in which the metathesis was performed.
- the appropriate temperature for the preparation of the novel catalyst composition after the metathesis in the tandem method can also be chose in the range of from ⁇ 20° C. to 160° C., preferably in the range of from 20° C. to 80° C.
- the suitable time for the metathesis stopping using the vinyl-group containing co-catalyst ranges from about 5 minutes to 48 hours. The preferred time ranges from 10 minutes to 12 hours.
- the subsequent hydrogenation of the nitrile rubber can be carried in the same manner as described above for the hydrogenation reaction.
- One major advantage of the present invention resides in the fact that the catalytic system used is very active, so that the catalyst residue in the final HNBR products can be low enough to make the catalyst metal removal or recycle step alleviated or even unnecessary.
- the catalysts used during the process of the present invention may be removed. Such removal can be performed e.g. by using ion-exchange resins as described in EP-A-2 072 532 A1 and EP-A-2 072 533 A1.
- the reaction mixture obtained after the completion of the hydrogenation reaction can be taken and treated with an ion-exchange resin at e.g. 100° C. for 48 hours under nitrogen and then be precipitated in cold methanol
- hydrogenation is a reaction of the double bonds present in the starting nitrile rubber to an extent of at least 50%, preferably 70-100%, more preferably 80-100%; even more preferably 90-100%
- Mw Mooney viscosity
- the nitrile rubber used in the process of the present invention is a copolymer or terpolymer of at least one ⁇ , ⁇ -unsaturated nitrile, at least one conjugated diene and, if desired, one or more further copolymerizable monomers.
- the conjugated diene can be of any nature. Preference is given to using (C 4 -C 6 ) conjugated dienes. Particular preference is given to 1,3-butadiene, isoprene, 2,3-dimethylbutadiene, piperylene or mixtures thereof. Very particular preference is given to 1,3-butadiene and isoprene or mixtures thereof. Especial preference is given to 1,3-butadiene.
- ⁇ , ⁇ -unsaturated nitrile it is possible to use any known ⁇ , ⁇ -unsaturated nitrile, preferably a (C 3 -C 5 ) ⁇ , ⁇ -unsaturated nitrile such as acrylonitrile, methacrylonitrile, ethacrylonitrile or mixtures thereof. Particular preference is given to acrylonitrile.
- a particularly preferred nitrile rubber used in the process of this invention is thus a copolymer having repeating units derived from acrylonitrile and 1,3-butadiene.
- the hydrogenated nitrile rubber may comprise repeating units of one or more further copolymerizable monomers known in the art, e.g. ⁇ , ⁇ -unsaturated (preferably mono-unsaturated) monocarboxylic acids, their esters and amides, ⁇ , ⁇ -unsaturated (preferably mono-unsaturated) dicarboxylic acids, their mono-oder diesters, as well as the respective anhydrides or amides of said ⁇ , ⁇ -unsaturated dicarboxylic acids.
- ⁇ , ⁇ -unsaturated (preferably mono-unsaturated) monocarboxylic acids e.g. ⁇ , ⁇ -unsaturated (preferably mono-unsaturated) monocarboxylic acids, their esters and amides
- ⁇ , ⁇ -unsaturated (preferably mono-unsaturated) dicarboxylic acids e.g. ⁇ , ⁇ -unsaturated (preferably mono-unsaturated) dicarboxylic acids, their esters
- ⁇ , ⁇ -unsaturated monocarboxylic acids acrylic acid and methacrylic acid are preferably used.
- Esters of ⁇ , ⁇ -unsaturated monocarboxylic acids may also be used, in particular alkyl esters, alkoxyalkyl esters, aryl esters, cycloalkylesters, cyanoalkyl esters, hydroxyalkyl esters, and fluoroalkyl esters.
- alkyl esters C 1 -C 18 alkyl esters of the ⁇ , ⁇ -unsaturated monocarboxylic acids are preferably used, more preferably C 1 -C 18 alkyl esters of acrylic acid or methacrylic acid, such as methylacrylate, ethylacrylate, propylacrylate, n-butylacrylate, tert.-butylacrylate, 2-ethyl-hexylacrylate, n-dodecylacrylate, methylmethacrylate, ethylmethacrylate, propylmethacrylate, n-butylmethacrylate, tert.-butylmethacrylate and 2-ethylhexyl-methacrylate.
- acrylic acid or methacrylic acid such as methylacrylate, ethylacrylate, propylacrylate, n-butylacrylate, tert.-butylacrylate, 2-ethyl-hexylacryl
- alkoxyalkyl esters C 2 -C 18 alkoxyalkyl esters of ⁇ , ⁇ -unsaturated monocarboxylic acids are preferably used, more preferably alkoxyalkylester of acrylic acid or methacrylic acid such as methoxy methyl(meth)acrylate, methoxy ethyl(meth)acrylate, ethoxyethyl(meth)acrylate and methoxyethyl(meth)acrylate.
- aryl esters preferably C 6 -C 14 -aryl-, more preferably C 6 -C 10 -aryl esters and most preferably the aforementioned aryl esters of acrylates and methacrylates.
- cycloalkyl esters preferably C 5 -C 12 -, more preferably C 6 -C 12 -cyclo-alkyl and most preferably the aforementioned cycloalkyl acrylates and methacrylates are used.
- cyanoalkyl esters in particular cyanoalkyl acrylates or cyanoalkyl methacrylates, with 2 to 12 C atoms in the cyanoalkyl group, preferably ⁇ -cyanoethyl acrylate, ⁇ -cyanoethyl acrylate or cyanobutyl methacrylate.
- hydroxyalkyl esters are used, in particular hydroxyalkyl acrylates and hydroxyalkyl methacrylates with 1 to 12 C-atoms in the hydroxylalkyl group, preferably 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate or 3-hydroxypropyl acrylate.
- fluorobenzyl esters in particular fluorobenzyl acrylates or fluorobenzyl methacrylates, preferably trifluoroethyl acrylate and tetrafluoropropyl methacrylate.
- Substituted amino group containing acrylates and methacrylates may also be used like dimethylaminomethyl acrylate and diethylaminoethylacrylate.
- esters of the ⁇ , ⁇ -unsaturated carboxylic acids may also be used, like e.g. poly-ethyleneglycol(meth)acrylate, polypropyleneglycole(meth)acrylate, glycidyl(meth)acrylate, epoxy(meth)acrylate, N-(2-hydroxyethyl)acrylamide, N-(2-hydroxymethyl)acrylamide or urethane(meth)acrylate.
- ⁇ , ⁇ -unsaturated dicarboxylic acids may be used, preferably maleic acid, fumaric acid, crotonic acid, itaconic acid, citraconic acid and mesaconic acid.
- anhydrides of ⁇ , ⁇ -unsaturated dicarboxylic acids are used, preferably maleic anhydride, itaconic anhydride, itaconic anhydride, citraconic anhydride and mesaconic anhydride.
- mono- or diesters of ⁇ , ⁇ -unsaturated dicarboxylic acids can be used.
- Suitable alkyl esters are e.g. C 1 -C 10 -alkyl, preferably ethyl-, n-propyl-, iso-propyl, n-butyl-, tert.-butyl, n-pentyl-order n-hexyl mono- or diesters.
- Suitable alkoxyalkyl esters are e.g. C 2 -C 12 alkoxyalkyl-, preferably C 3 -C 8 -alkoxyalkyl mono- or diesters.
- Suitable hydroxyalkyl esters are e.g.
- Suitable cycloalkyl esters are e.g. C 5 -C 12 -cycloalkyl-, preferably C 6 -C 12 -cycloalkyl mono- or diesters.
- Suitable alkylcycloalkyl esters are e.g. C 6 -C 12 -alkylcycloalkyl-, preferably C 7 -C 10 -alkylcycloalkyl mono- or diesters.
- Suitable aryl esters are e.g. C 6 -C 4 -aryl, preferably C 6 -C 10 -aryl mono- or diesters.
- ⁇ , ⁇ -ethylenically unsaturated dicarboxylic acid monoester monomers include
- ⁇ , ⁇ -ethylenically unsaturated dicarboxylic acid diester monomers the analogous diesters based on the above explicitly mentioned mono ester monomers may be used, wherein, however, the two organic groups linked to the C ⁇ O group via the oxygen atom may be identical or different.
- vinyl aromatic monomers like styrol, ⁇ -methylstyrol and vinylpyridine, as well as non-conjugated dienes like 4-cyanocyclohexene and 4-vinylcyclohexene, as well as alkines like 1- or 2-butine may be used.
- the proportions of conjugated diene and ⁇ , ⁇ -unsaturated nitrile in the NBR polymers to be used can vary within wide ranges.
- the proportion of the conjugated diene or the sum of conjugated dienes is usually in the range from 40 to 90% by weight, preferably in the range from 60 to 85% by weight, based on the total polymer.
- the proportion of ⁇ , ⁇ -unsaturated nitrile or the sum of ⁇ , ⁇ -unsaturated nitriles is usually from 10 to 60% by weight, preferably from 15 to 40% by weight, based on the total polymer.
- the proportions of the monomers in each case add up to 100% by weight.
- the additional monomers can be present in amounts of from 0 to 40% by weight, preferably from 0.1 to 40% by weight, particularly preferably from 1 to 30% by weight, based on the total polymer. In this case, corresponding proportions of the conjugated diene or dienes and/or the ⁇ , ⁇ -unsaturated nitrile or nitriles are replaced by proportions of the additional monomers, with the proportions of all monomers in each case adding up to 100% by weight.
- Nitrile rubbers which can be used for the purposes of the invention are also commercially available, e.g. as products from the product range of the Perbunan® and Krynac® grades of Lanxess GmbH.
- the nitrile rubbers used for the metathesis have a Mooney viscosity (ML1+4 at 100° C.) in the range from 30 to 70, preferably from 30 to 50. This corresponds to a weight average molecular weight Mw in the range 150000-500000, preferably in the range 180000-400000. Furthermore, the nitrile rubbers used have a polydispersity PDI-Mw/Mn, where Mw is the weight average molecular weight and Mn is the number average molecular weight, in the range 2.0-6.0 and preferably in the range 2.0-4.0. The determination of the Mooney viscosity is carried out in accordance with ASTM Standard D 1646.
- the metathesis activity of the ruthenium- or osmium-based catalyst is suppressed by treating the catalyst with the vinyl compound of general formula (1) and thus the molecular weight of the hydrogenated nitrile rubber obtained after the hydrogenation is comparable to the original NBR feedstock and not further reduced during hydrogenation. Meanwhile the hydrogenation activity of the novel catalyst composition is obviously higher than the corresponding process performed only in the presence of the ruthenium- or osmium-based catalyst.
- the nitrile rubber is firstly degraded using at least one ruthenium- or osmium-based catalyst in the absence or in the presence of a co-olefin.
- the vinyl compound of general formula (1) is either added when the metathesis reaction has ceased or gone to completion or added before in order to stop the metathesis at a certain degree.
- the hydrogenation can be carried out to afford hydrogenated nitrile rubber by introducing hydrogen gas.
- the metathesis degree can be fully controlled and the molecular weight of the final hydrogenated nitrile rubber is adjustable as desired.
- Catalysts (1) and (2) were purchased from Sigma Aldrich or Strem Chemicals Inc.
- Catalyst (3) was purchased from Xian Kaili Co. (China). The structures of these catalysts are shown below, wherein “Mes” means mesityl (2,4,6-trimethylphenyl) and “Cy” means cyclohexyl:
- nitrile butadiene rubbers which were used in the examples are commercially available from Lanxess GmbH and have the properties as outlined in Table 1.
- NBR Nitrile Butadiene Rubbers
- Mooney Acrylonitrile viscosity content ML(1 + 4) NBR % by weight 100° C.
- VEE Vinyl ethyl ether
- the apparent molecular weight Mn and Mw were determined by a Waters GPC system equipped with a Waters 1515 high performance liquid chromatography pump, a Waters 717plus autosampler, a PL gel 10 ⁇ m mixed B column and a Waters 2414 RI detector.
- the GPC test was carried out at 40° C. at 1 mL/min of flow rate with THF as the eluent, and the GPC column was calibrated with narrow PS standard samples.
- PDI polydispersity index
- VEE vinyl ethyl ether
- Catalyst (2) (9 mg) was dissolved in 22 g degassed MCB in a flask. Vinyl ethyl ether (100 ⁇ L) was injected into the flask and the solution was stirred for 12 hours. A solution of 18 g Perbunan® 3431VP in 282 g MCB (Perbunan® 3431VP concentration of 6 wt %) was bubbled with nitrogen in a 600 mL Parr autoclave for 30 minutes, and then heated to 120° C. The catalyst solution in the flask was transferred into the reactor via syringe. Hydrogenation was conducted under 4.137 MPa of hydrogen pressure and 800 rpm of agitation speed.
- Example 1-9 The conditions and the results for Example 1-9 are shown in Table 2.
- Example 10 and 11 are shown in Table 3.
- HNBR can be prepared by hydrogenation of NBR in the presence of a pretreated Ru-based metathesis catalyst wherein the pretreatment of the catalyst is conducted either separately or following a metathesis reaction in-situ in the reaction mixture before the addition of hydrogen.
- the metathesis activity of the catalyst is controlled by the pretreatment method and thus the molecular weight of the hydrogenated nitrile rubber obtained by the pretreatment method according to the invention is comparable to the original NBR feedstock.
- the composition obtained by contacting the catalyst with the co-catalyst exhibits a higher hydrogenation activity in the hydrogenation of the nitrile rubber than the same catalyst which was not pretreated. This can be taken from a comparison of Example 3 with Examples 4 and 5.
- Example 3 the hydrogenation using Catalyst (2) which was not pretreated resulted in a hydrogenation degree of 92.6% after 18 hours, while Examples 4 and 5 both using Catalyst (2) which was pretreated according to the invention resulted in a hydrogenation degree of 99% and 95%, respectively, after a hydrogenation time of only 2 or 4 hours, respectively.
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PCT/CN2011/001753 WO2013056400A1 (en) | 2011-10-21 | 2011-10-21 | Catalyst compositions and their use for hydrogenation of nitrile rubber |
CNPCTCN2011001753 | 2011-10-21 | ||
PCT/EP2012/070815 WO2013057289A2 (en) | 2011-10-21 | 2012-10-19 | Catalyst compositions and their use for hydrogenation of nitrile rubber |
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EP (1) | EP2768611B1 (ja) |
JP (1) | JP5990591B2 (ja) |
KR (1) | KR101657383B1 (ja) |
BR (1) | BR112014009472A2 (ja) |
CA (1) | CA2852648C (ja) |
IN (1) | IN2014DN03160A (ja) |
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CN111905821A (zh) * | 2020-07-31 | 2020-11-10 | 青岛科技大学 | 一种共轭二烯烃胶乳催化加氢用催化剂及制备方法和应用 |
CN112088044A (zh) * | 2018-04-27 | 2020-12-15 | 阿朗新科德国有限责任公司 | 钌和锇催化剂用于丁腈橡胶复分解的用途 |
US20210198385A1 (en) * | 2018-04-20 | 2021-07-01 | Arlanxeo Deutschland Gmbh | Hydrogenation catalyst compositions and their use for hydrogenation of nitrile rubber |
US11678958B2 (en) | 2017-09-27 | 2023-06-20 | ArchForm Inc. | Fabrication of dental appliances |
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WO2013056461A1 (en) * | 2011-10-21 | 2013-04-25 | Lanxess Deutschland Gmbh | Catalyst compositions and their use for hydrogenation of nitrile rubber |
EP2676969B1 (en) * | 2012-06-22 | 2016-06-01 | University Of Waterloo | Tandem metathesis and hydrogenation of diene-based polymers in latex |
KR101621699B1 (ko) | 2014-03-31 | 2016-05-19 | 이스켐주식회사 | 폴리 d c p d의 중합방법 |
KR20210104664A (ko) | 2018-12-17 | 2021-08-25 | 아란세오 도이치란드 게엠베하 | 대체 용매를 이용하여 hnbr 용액을 제조하기 위한 공정 |
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- 2012-10-19 JP JP2014536269A patent/JP5990591B2/ja active Active
- 2012-10-19 WO PCT/EP2012/070815 patent/WO2013057289A2/en active Application Filing
- 2012-10-19 CA CA2852648A patent/CA2852648C/en not_active Expired - Fee Related
- 2012-10-19 US US14/352,071 patent/US20150025199A1/en not_active Abandoned
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11678958B2 (en) | 2017-09-27 | 2023-06-20 | ArchForm Inc. | Fabrication of dental appliances |
US20210198385A1 (en) * | 2018-04-20 | 2021-07-01 | Arlanxeo Deutschland Gmbh | Hydrogenation catalyst compositions and their use for hydrogenation of nitrile rubber |
US11713361B2 (en) * | 2018-04-20 | 2023-08-01 | Arlanxeo Deutschland Gmbh | Hydrogenation catalyst compositions and their use for hydrogenation of nitrile rubber |
CN112088044A (zh) * | 2018-04-27 | 2020-12-15 | 阿朗新科德国有限责任公司 | 钌和锇催化剂用于丁腈橡胶复分解的用途 |
CN111905821A (zh) * | 2020-07-31 | 2020-11-10 | 青岛科技大学 | 一种共轭二烯烃胶乳催化加氢用催化剂及制备方法和应用 |
Also Published As
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JP5990591B2 (ja) | 2016-09-14 |
CA2852648C (en) | 2020-09-29 |
KR20140084227A (ko) | 2014-07-04 |
KR101657383B1 (ko) | 2016-09-13 |
TW201332652A (zh) | 2013-08-16 |
EP2768611B1 (en) | 2018-08-01 |
MX2014004751A (es) | 2014-11-10 |
WO2013057289A3 (en) | 2013-09-26 |
IN2014DN03160A (ja) | 2015-05-22 |
JP2015501207A (ja) | 2015-01-15 |
US20180297022A1 (en) | 2018-10-18 |
US10500578B2 (en) | 2019-12-10 |
CA2852648A1 (en) | 2013-04-25 |
TWI561304B (en) | 2016-12-11 |
WO2013056400A1 (en) | 2013-04-25 |
WO2013057289A2 (en) | 2013-04-25 |
BR112014009472A2 (pt) | 2017-05-09 |
EP2768611A2 (en) | 2014-08-27 |
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