Patent
Olefin-based polymer
TLDR
In this paper, an olefin-based polymer including an elution temperature 1 (Te1) and an eluction temperature 2 (Te2), which are elution temperatures of the OE polymer in a temperature range from −20° C to 130° C.Abstract:
The present invention relates to an olefin-based polymer including an elution temperature 1 (Te1) and an elution temperature 2 (Te2), which are elution temperatures of the olefin-based polymer in a temperature range from −20° C. to 130° C. when measuring temperature rising elution fractionation (TREF) and having branch gradient number (BGN) from −1.0 to −0.001 when measuring chromatography Fourier transform infrared spectroscopy (GPC FT-IR).read more
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Patent
Method for preparing olefin-based polymer and olefin-based polymer prepared thereby
TL;DR: In this paper, a method for preparing an olefin-based polymer, comprising a step of polymerizing an OLS-based monomer in the presence of a catalytic composition comprising cis-isomers and transisomers of a transition metal compound, was presented.
Patent
Transition metal compound, catalyst composition containing same, and method for preparing polymer by using same
TL;DR: In this article, the authors describe a transition metal compound having a novel structure, a catalytic composition including the same, and a method for preparing a polymer using the same; they also describe a method to synthesize a polymer from the same.
Patent
Transition metal compound, catalytic composition including the same, and method for preparing polymer using the same
TL;DR: In this paper, the authors describe a transition metal compound having a novel structure, a catalytic composition including the same, and a method for preparing a polymer using the same; they also describe a method to synthesize a polymer from the same.
Patent
Ligand compound and transition metal compound
TL;DR: In this article, a novel ligand compound represented by Formula 1 and a novel transition metal compound represented as Formula 2 is described, which has high comonomer incorporation effect in the preparation of an olefinic polymer having a low density and a high molecular weight, and thus can be used as a catalyst for a polymerization reaction.
Patent
Olefin-based copolymer and process for preparing same
TL;DR: In this article, an olefin-based copolymer with novel crystalline properties and capable of providing a molded article with further improved strength and impact strength when compounded with other resins, and a method for preparing the same
References
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Journal ArticleDOI
Advances in non-metallocene olefin polymerization catalysis.
TL;DR: The graph below shows the progression of monoanionic and non-monoanionic ligands through the history of synthesis, as well as some of the properties that have been identified since the discovery of R-Diimine.
Patent
Metal complex compounds
TL;DR: In this article, a monocyclopentadienyl or substituted cyclopentienyl metal complex containing compound useful as a polymerization catalyst corresponding to the formula: CpMX.n.sup.
Patent
Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation
Daniel J. Arriola,Edmund M. Carnahan,David D. Devore,Phillip D. Hustad,Roger L. Kuhlman,Timothy T. Wenzel +5 more
TL;DR: In this article, a multi-block copolymer containing two or more segments or blocks differing in chemical or physical properties is prepared by polymerizing propylene, 4-methyl- l-pentene, or other C4-8 α-olefin and one or more copolymers, especially ethylene.
Journal ArticleDOI
Phosphinimides as a Steric Equivalent to Cyclopentadienyl: An Approach to Ethylene Polymerization Catalyst Design
Douglas W. Stephan,Jeffrey C. Stewart,Frédéric Guérin,Rupert Edward Von Haken Spence,Wei Xu,Daryll G. Harrison +5 more
TL;DR: In this article, complexes of the form (Cp†)TiCl2(NPR3) and the analogous dimethyl derivatives (cp*)TiMe2( NPR3) have been prepared.
Journal ArticleDOI
A Novel Phenolate “Constrained Geometry” Catalyst System. Efficient Synthesis, Structural Characterization, and α-Olefin Polymerization Catalysis
TL;DR: In this paper, a bifunctional -Me4Cp⌒phenolate- ligand and the efficient synthesis of the corresponding TiIV and ZrIV complexes were reported.