Braskem America, Inc.

W. R. Grace Co.-conn.

Jonas Alves Fernandes

Binh Thanh Nguyen

Vladimir P Marin

Chip Few

Mushtaq Ahmed Patel

George S Ostace

Dana Hess

Jon Scott Larson

Zhenxing Xi

A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)): 

Non-phthalate donor for polyolefin catalysts

A colloidal suspension includes an organic phase and a complex of Formula I as precursor for Ziegler-Natta catalyst synthesis:XTiCl(OR).YMg(OR)(OR)&#x2003;&#x2003;(I).In Formula I, a molar ratio of X to Y (X/Y) is from 0.2 to 5.0, p is 0 or 1, 0&#x3c;q&#x3c;2, 0&#x3c;t&#x3c;2, the sum of q and t is 2, R, R, and Rare each independently a linear or branched alkyl, a linear or branched heteroalkyl, a cycloalkyl, a substituted cycloalkyl, a substituted heterocycloalkyl, a substituted aryl, or a (heteroaryl)alkyl; and Ris not the same as R.

Methods of controlling ziegler-natta pre-catalyst particles formation and use for olefin polymerization

A catalytic system for use in olefinic polymerization, includes titanium, magnesium, a halogen, organoaluminium, and a boron-based electron donor.

Boron-based electron donors for Ziegler-Natta catalyst systems

A colloidal suspension includes an organic phase and a complex of Formula I as precursor for Ziegler-Natta catalyst synthesis:XTiCl(OR)&#xb7;YMg(OR)(OR)&#x2003;&#x2003;(I).In Formula I, a molar ratio of X to Y (X/Y) is from 0.2 to 5.0, p is 0 or 1, 0&#x3c;q&#x3c;2, 0&#x3c;t&#x3c;2, the sum of q and t is 2, R, R, and Rare each independently a linear or branched alkyl, a linear or branched heteroalkyl, a cycloalkyl, a substituted cycloalkyl, a substituted heterocycloalkyl, a substituted aryl, or a (heteroaryl)alkyl; and Ris not the same as R.

Ziegler-Natta catalyst systems and methods of controlling particle size

A solid precatalyst component for use in olefinic polymerization, includes titanium, magnesium, and an electron donor compound; wherein: the electron donor compound is at least one compound represented by Formula (I).

Electron donors for ziegler-natta precatalyst preparation and catalyst system for olefin polymerization

This invention relates to a process for forming a long-chain branched polymer and a long-chain branched polymer resulting from the process. The process comprises reacting (a) a polyolefin base polymer with (b) a coupling agent comprising a polymeric coupling agent, optionally blended with a molecular coupling agent, the polymeric coupling agent being a modified polyolefin having a reactive coupling group at one or more terminal ends of the modified polyolefin chain, to couple the polyolefin base polymer (a) with the coupling agent (b) to form a long-chain branched polymer having a long-chain branching and/or higher surface energy relative to the polyolefin base polymer.

Azide-modified olefin as polymeric coupling agent

Disclosed in certain embodiments is an electron donor for a polyolefin polymerization catalyst. In some embodiments, a solid catalyst component includes a metal component and the electron donor that form a catalyst on a support.

Electron donor for polyolefin polymerization catalysts and uses thereof

An olefin polymerization catalyst component comprising an internal electron donor compound shown in formula (I) below is provided in this disclosure: wherein X is O, S, NR, PR, or POOR,

Catalyst systems, olefin polymerization catalyst components comprising at least an internal electron donor compound, and methods of making and using the same

Azide-modified polynorbornene as polymeric coupling agent

A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)). 

Long-chain branched polymers and production processes

Solid catalyst components are disclosed including titanium, magnesium, halogen and an internal electron donor compound having at least one substituted 2-methoxy-1-naphthoate, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. Further, methods of making the catalyst components and the catalyst systems are disclosed as well as methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.

Solid catalyst components for olefin polymerization and methods of making and using the same

Catalyst system, olefin polymerization catalyst components comprising at least an internal electron donor compound, and methods of making and using the same

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Pittsburgh, PA, United States of America

Jonas Alves Fernandes