Results 111 to 120 of about 2,112 (213)

Polyisoprene-based block copolymers as supports for metallocene and post-metallocene catalytic systems toward ethylene polymerization

open access: yes, 2011
In this work, we report how micellar structures obtained by the self-assembly in heptane of polyisoprene-block-poly(methyl methacrylate) (PI-b-PMMA) and polyisoprene-block-poly(ethylene oxide) (PI-b-PEO) can be effectively used as organic supports for ...
HEURTEFEU, Bertrand   +9 more
core   +1 more source

Activation Energy and Transition State Determination of the Olefin Insertion Process of Metallocene Catalysts Using a Semiempirical Molecular Orbital Calculation

open access: yes, 2009
[[abstract]]c2002 Springer - Abstract The transition state of the olefin insertion process of metallocene catalysts can be determined by adopting the semiempirical PM3 model. In computational chemistry, the computational methods most employed are the ab
Mu-Jen Young;Chen-Chi M. Ma;Ching Ting
core   +1 more source

Preparation of Supported Metallocene Catalysts for Polymerization of Alfa-Olefins

open access: yes, 2013
[[abstract]]The morphology of a polyethlene particle produced by supported metallocene catalysts is strongly affected by the preparation method. The particles prepared by the pre-mixing method have a granular shape, large particle diametr, high bulk ...
林秋薰
core  

Preparation of Dinuclear Metallocene Complexes for High-Performance Supported Catalyst

open access: yes, 2021
학위논문(석사)--아주대학교 일반대학원 :분자과학기술학과,2021. 21. Introduction 1 2. Results and Discussion 2 2.1 Preparation of dinuclear ansa-metallocene complexes 2 2.2 Preparation of supported catalysts and ethylene polymerization 6 2.3 Characterization of polymers 11 3 ...
배성문
core  

Immobilized Bis-Indenyl Ligands for Stable and Cost-Effective Metallocene Catalysts of Hydrogenation and Polymerization Reactions

open access: yes, 2012
Reactions of catalytic hydrogenations and polymerizations are widely used in industry for manufacture of fine chemicals, pharmaceuticals, and plastics.
Simerly, Thomas Max
core   +1 more source

Propene Polymerization with C₁-Symmetric Fluorenyl-Metallocene Catalysts. [PDF]

open access: yesPolymers (Basel), 2017
Boggioni L   +4 more
europepmc   +1 more source

Design of Novel Group 4 ansa-Metallocene Compounds and their Role as Catalysts in the Polymerization of Olefins

open access: yes, 2014
E.O. Fischer ISHC-14 Award. Premio para mejor poster en el 14th International Symposium on Homogeneous Catalysis, Munich, 2004.Since the discovery by Sinn and Kaminsky that zirconocene complexes in the presence of MAO were able to polymerize olefins ...
Rivilla, Iván   +6 more
core  

Machine-Learning-Based Design of Metallocene Catalysts for Controlled Olefin Copolymerization. [PDF]

open access: yesChemistry
Kim Y   +10 more
europepmc   +1 more source

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