25-04-2019 дата публикации
Номер: US20190119418A1
Принадлежит:
The present disclosure provides novel unbridged group 4 indacenyl-containing metallocene compounds. The catalyst system may be used for olefin polymerization processes. 2. The catalyst of claim 1 , wherein:M is a group 4 metal;{'sup': 1', '2', '3', '4', '5, 'sub': 1', '20, 'each of R, R, R, R, and Ris independently hydrogen, halogen, C-Csubstituted or unsubstituted hydrocarbyl, halocarbyl or silylcarbyl;'}{'sup': 5', '5′', '6', '6′', '7', '7′, 'sub': 1', '10, 'each of R, R, R, R, Rand R is independently hydrogen or a C-Calkyl;'}each X is independently a leaving group, or two Xs are joined and bound to the metal atom to form a metallocycle ring, or two Xs are joined to form a chelating ligand, a diene, or an alkylidene; and{'sup': 9', '10', '11', '12', '13', '9', '10', '12', '13, 'sub': 1', '20, 'each of R, R, R, Rand Ris hydrogen or C-Csubstituted or unsubstituted hydrocarbyl, or Rand Ror Rand Rtogether form a substituted or unsubstituted 5-8 membered saturated or unsaturated cyclic ring.'}3. The catalyst of claim 1 , wherein Rand Rtogether form an unsaturated cyclic ring.4. The catalyst of claim 1 , wherein the unsaturated cyclic ring is substituted with bromo or phenyl which may be substituted or unsubstituted.5. The catalyst of claim 1 , wherein Ris selected from aryl claim 1 , alkyl claim 1 , bromo claim 1 , chloro claim 1 , fluoro or —R—SiR′ claim 1 , where R is C-Calkyl and R′ is halogen claim 1 , C-Calkyl or C-Caryl.6. The catalyst of claim 1 , wherein Ris C-Cunsubstituted hydrocarbyl or —R—SiR′ claim 1 , where R is C-Calkyl and R′ is halogen claim 1 , C-Calkyl or C-Caryl.7. The catalyst of claim 6 , wherein Ris butyl.8. The catalyst of claim 1 , wherein Ris C-Cunsubstituted hydrocarbyl.9. The catalyst of claim 8 , wherein Ris methyl.10. The catalyst of claim 1 , wherein Ris hydrogen.13. A catalyst system comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the catalyst of ;'}a support material; andan activator.14. The catalyst system of claim 13 , ...
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