EP3601306A1 - Composés métallocènes - Google Patents

Composés métallocènes

Info

Publication number
EP3601306A1
EP3601306A1 EP18713560.3A EP18713560A EP3601306A1 EP 3601306 A1 EP3601306 A1 EP 3601306A1 EP 18713560 A EP18713560 A EP 18713560A EP 3601306 A1 EP3601306 A1 EP 3601306A1
Authority
EP
European Patent Office
Prior art keywords
substituted
ring
pao
metallocene compound
hydrogen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18713560.3A
Other languages
German (de)
English (en)
Inventor
Donna J. Crowther
Hua Zhou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Chemical Patents Inc
Original Assignee
ExxonMobil Chemical Patents Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ExxonMobil Chemical Patents Inc filed Critical ExxonMobil Chemical Patents Inc
Priority claimed from PCT/US2018/022555 external-priority patent/WO2018182984A1/fr
Publication of EP3601306A1 publication Critical patent/EP3601306A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F17/00—Metallocenes

Definitions

  • hydrocarbyl group or “hydrocarbyl” interchangeably refers to a group consisting of hydrogen and carbon atoms only.
  • a hydrocarbyl group can be saturated or unsaturated, linear or branched linear, cyclic or acyclic, aromatic or non-aromatic.
  • any metallocene compound may have one or more optical isomers.
  • All metallocene compound identified herein by name or structure shall include all possible optical isomers thereof and mixtures of any such optical isomers.
  • metallocene compound Me2Si(Me4Cp)(3-PrInd)ZrMe2 shall include the following two optical isomers and mixtures thereof, when it is described:
  • the calculation of tacticity is mm* 100/(mm+mr+rr) for the molar percentages of (m,m)-triads, mr* 100/(mm+mr+rr) for the molar percentages of (m,r)-triads, and rr*100/(mm+mr+rr) for the molar percentages of (r,r)- triads.
  • the (m,m)-triads correspond to 35.5 - 34.55 ppm, the (m,r)-triads to 34.55 - 34.1 ppm, and the (r,r)-triads to 34.1 - 33.2 ppm.
  • R 1 and R 2 may join together with the carbon atoms in the first Cp ring to which they are directly connected to form a substituted or unsubstituted ring structure annelated to the first Cp ring.
  • R 3 and R 4 may join together with the carbon atoms in the first Cp ring to which they are directly connected to form a substituted or unsubstituted ring structure annelated to the first Cp ring.
  • R 2 and R 3 may join together with the carbon atoms in the first Cp ring to which they are directly connected to form a substituted or unsubstituted ring structure annelated to the first Cp ring.
  • a scavenger is a compound that is typically added to facilitate oligomerization or polymerization by scavenging impurities. Some scavengers may also act as activators and may be referred to as co-activators. A co-activator which is not a scavenger may also be used in conjunction with an activator in order to form an active catalyst with a transition metal compound. In some embodiments, a co-activator can be pre-mixed with the transition metal compound to form an alkylated transition metal compound, also referred to as an alkylated catalyst compound or alkylated metallocene. To the extent scavengers facilitate the metallocene compound in performing the intended catalytic function, scavengers, if used, are sometimes considered as a part of the catalyst system.
  • alpha-olefins with the following combinations are particularly advantageous: C6/C8, C6/C10, C6/C12, C6/C14, C6/C16, C8/C10, C8/C12, C8/C14, C8/C16, C10/C12, C10/C14, C10/C16, C10/C18, C12/C14, C12/C16, C12/C18, C12/C20, C6/C8/C10, C6/C8/C12, C6/C8/C14, C6/C10/C12, C6/C10/C14, C8/C10/C12, C8/C10/C14, C8/C12/C14, C10/C12/C16, C10/C12/C18,
  • the catalyst compositions can be used individually or can be mixed with other known polymerization catalysts to prepare polymer or oligomer blends. Monomer and catalyst selection allows polymer or oligomer blend preparation under conditions analogous to those using individual catalysts. Polymers having increased MWD are available from polymers made with mixed catalyst systems and can thus be achieved.
  • Mixed catalyst can comprise two or more metallocene compounds and or two or more activators.
  • the amount of hydrogen partial pressure is preferred to be kept low, less than 50 psi, preferably less than 25 psi, preferably less than 10 psi, preferably less than 5 psi.
  • concentration of hydrogen in the reactant phase is less than 10,000 ppm, 100 ppm, preferably less than 50 ppm, preferably less than 10 ppm.
  • concentration of hydrogen in the reactor is kept at a partial pressure of preferably 50 psi (345 kPa) or less, preferably 10 psi (69 kPa) or less.
  • hydrogen if present, is present in the reactor and or feed at 10,000 ppm or less, preferably 1000 ppm or less by weight, preferably 750 ppm or less, preferably 500 ppm or less, preferably 250 ppm or less, preferably 100 ppm or less, preferably 50 ppm or less, preferably 25 ppm or less.
  • Alkanes such as hexane, heptane, pentane, isopentane, and octane, Norpar® or Isopar® solvents from ExxonMobil Chemical Company in Houston, Tex. are also suitable. Generally, toluene is most suitable to dissolve catalyst system components. Norpar®, Isopar® solvent or hexanes are preferred as reaction diluents. Oftentimes, a mixture of toluene and Norpar® or Isopar® is used as diluent or solvent.
  • the unsaturated PAO products and the hydrogenated PAO products of the present disclosure can be used as a base stock for lubricating oil compositions.
  • the hydrogenated PAO product having a bromine number no greater than 2.0 is used as a lubricating oil base stock.
  • the base stock can be at any viscosity grade useful for any particular lubricating oil composition.
  • the base stocks of the present disclosure can be blended with each other, other API Group I, II, III, IV, or V base stocks, lubricating additive packages, and the like, to form a lubricating oil composition. "Lubricating oil,” “lubricating oil composition,” and “lubricant” are used herein interchangeably.
  • reaction was stirred at 68 °C for 4 hours. Crude 3 ⁇ 4 NMR showed that reaction was complete.
  • the reaction mixture was cooled to room temperature and 1,4-dioxane (0.6 ml) was added. The mixture was stirred for 20 min and the all solids were removed by filtration and washed by dichloromethane.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

La présente invention concerne des produits de poly-alpha-oléfine non saturés et hydrogénés qui peuvent être produits avec une sélectivité élevée vis-à-vis des vinylidènes et des vinylènes tri-substitués combinés, une sélectivité élevée vis-à-vis des vinylidènes, et une faible sélectivité envers les vinylènes 1,2-di-substitués à l'aide d'un système de catalyseur comprenant un composé métallocène ayant la structure suivante dans la réaction de polymérisation :
EP18713560.3A 2017-03-28 2018-03-15 Composés métallocènes Withdrawn EP3601306A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762477706P 2017-03-28 2017-03-28
EP17174276 2017-06-02
PCT/US2018/022555 WO2018182984A1 (fr) 2017-03-28 2018-03-15 Composés métallocènes

Publications (1)

Publication Number Publication Date
EP3601306A1 true EP3601306A1 (fr) 2020-02-05

Family

ID=61768554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18713560.3A Withdrawn EP3601306A1 (fr) 2017-03-28 2018-03-15 Composés métallocènes

Country Status (4)

Country Link
EP (1) EP3601306A1 (fr)
CN (1) CN110621684A (fr)
CA (1) CA3058136C (fr)
SG (1) SG11201908496QA (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6207606B1 (en) * 1998-05-15 2001-03-27 Univation Technologies, Llc Mixed catalysts and their use in a polymerization process
US6960634B2 (en) * 2001-10-31 2005-11-01 Univation Technologies, Llc Methods for adjusting melt properties of metallocene catalyzed olefin copolymers

Also Published As

Publication number Publication date
CA3058136A1 (fr) 2018-10-04
CA3058136C (fr) 2022-11-15
CN110621684A (zh) 2019-12-27
SG11201908496QA (en) 2019-10-30

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