Fina Technology, Inc.

Fina Technologies, Inc.

David J Rauscher

Edwar Shoukri Shamshoum

William John Gauthier

Fengkui Li

John Ashbaugh

Jun Tian

Kenneth Paul Blackmon

Christopher Garland Bauch

Shabbir Ahmedbhai Malbari

Kevin P McGovern

Robert Dotter

Kai Hortmann

Shady Henry

Ronald Tharappel

Nathan Williams

Tim J Coffy

Michel Daumerie

Renaud Oreins

Michel Messiaen

David Attoe

B Raghava Reddy

Michael Wallace

Steven Daniel Gray

David W Knoeppel

Lei Zhang

Theodore Harris

Margarito Lopez

Luyi Sun

Vincent Henri Barre

Joseph Thorman

Gerhard Guenther

Cyril Chevillard

Douglas Alan Burmaster

Carlos R Corleto

Ruby Curtis

Leland Daniels

Brian Cole

Constance Hayworth Patrick

Luis Paulo Barthel-Rosa

Michel M Daumerie

Margaret Kerr

Stan Biesert

Son Nguyen

Danielle Childress

Sehyun Kim

Michael J Elder

Joseph Lyndon Thorman

Jason Clark

Kayo Vizzini

Henry Enriquez

Mark C Douglass

Nelson Black

Don Gordon Campbell, Jr

Edwar S Shamsoum

The Vu

Joseph L Thorman

Catalyst Systems, processes of forming the same and polymers and polymerization processes are described herein. The process of forming the catalyst system generally includes providing a first compound including a magnesium dialkoxide and aluminum alkoxide: contacting the first compound with a first agent and a second agent to form a solution of reaction product 'A', the first agent including a titanating agent and the second agent including a first metal halide; contacting the solution of reaction product 'A' with a third agent to form a solid reaction product &#x201c;B&#x201d;, the third agent including a second metal halide: contacting the solid reaction product &#x201c;B&#x201d; with a fourth agent to form a solid reaction product &#x201c;C&#x201d;, the fourth agent including a third metal halide: optionally contacting the solid reaction product &#x201c;C&#x201d; with a fifth agent to form a solid reaction product &#x201c;D&#x201d;, the fifth agent including a fourth metal halide; and contacting the solid reaction product &#x201c;C&#x201d; or &#x201c;D&#x201d; with a sixth agent to form a catalyst component, the sixth agent including a first organoaluminum compound.

Ziegler-natta catalyst composition with controlled morphology

A composite may include polylactic acid, polyethylene, and optionally a compatibilizer. The composite may be formed by combining the polylactic acid with the polyethylene. The composite may be formed into an extruded article.

Composites of polyethylene and polylactic acid

Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof.

Modified polylactic acid, polymeric blends and methods of making the same

A high melt strength polypropylene is formed using maleated polypropylene and a combination of coupling agents and acid neutralizers. The maleated polypropylene can be formed using multi-functional monomers. The high melt strength polypropylene can be useful for foaming, sheet extrusion thermoforming, extrusion blow molding, extrusion coating, fiber, film, and the like.

High melt strength polypropylene and methods of making same

A pellet composed of a polymeric blend having a polyolefin and polylactic acid.

Single pellet polymeric compositions

The process includes reacting a reaction mixture comprising magnesium ethoxide (Mg(OEt)), triethylaluminum (TEAl), and 2-ethylhexanol (2-EHOH) to form magnesium 2-ethyl hexyl alkoxide (Mg(2-EHO)) and contacting Mg(2-EHO)in hexane with a first agent to form a reaction product 'A.' The process further includes contacting the reaction product 'A' with a second agent to form a reaction product &#x201c;B&#x201d;, wherein the second agent includes a transition metal and a halogen. The process further includes contacting the reaction product &#x201c;B&#x201d; with a third agent to form a reaction product &#x201c;C&#x201d;, wherein the third agent includes a first metal halide. In addition, the process includes contacting the reaction product &#x201c;C&#x201d; with a fourth agent to form a reaction product &#x201c;D&#x201d;, wherein the fourth agent includes a second metal halide. The process also includes contacting the reaction product &#x201c;D&#x201d; with a fifth agent to form a Ziegler-Natta catalyst, wherein the fifth agent includes an organoaluminum compound.

Formation of a Ziegler-Natta catalyst

A process of forming a Ziegler-Natta catalyst component is disclosed. The process includes contacting an alkyl magnesium compound with an alcohol and a first organoaluminum compound to form a magnesium dialkoxide compound and contacting the magnesium dialkoxide compound with a titanating agent to form reaction product 'A.' The process further includes reacting reaction product 'A' with a halogenating agent to form reaction product &#x201c;B&#x201d; and reacting reaction product &#x201c;B&#x201d; with a second organoaluminum compound to form a single halogenated catalyst component.

Polymeric compositions and processes of forming the same are described herein. The processes generally include contacting a polyolefin with a polylactic acid in the presence of at least 800 ppm of a radical initiator under extrusion conditions to produce a polyolefin-polylactic acid copolymer.

Compatibilized polymeric compositions comprising polyolefin-polylactic acid copolymers and methods of making the same

Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.

Polypropylene and polylactic acid blends of injection stretch blow molding applications

A pellet composed of a polymeric blend having a composition of between 99.5-51 wt % polyolefin and 0.5-49.9 wt % polylactic acid.

Method employing a supported metallocene catalyst composition in the production of an isotactic ethylene propylene co-polymer. The composition comprises a metallocene component supported on a particulate silica support having average particle size of 10-40 microns, a pore volume of 1.3-1.6 ml/g, a surface area of 200-400 m/g. An alkylalumoxane cocatalyst component is incorporated on the support. The isospecific metallocene is characterized by the formula:B(CpRaRb)(FlR')MQ&#x2003;&#x2003;(1)or by the formula:B&#x2032;(Cp&#x2032;R&#x2032;aR&#x2032;b)(Fl&#x2032;)M&#x2032;Q&#x2032;&#x2003;&#x2003;(2)In the formulas Cp and Cp&#x2032; are substituted cyclopentadienyl groups, Fl and Fl&#x2032; are fluorenyl groups, and B and B&#x2032; are structural bridges. R&#x2032; are substituents at the 2 and 7 positions, Ra and R&#x2032;a are substituents distal to the bridge, and Rb and R&#x2032;b are proximal to the bridge. M and M&#x2032; are transition metals, Q&#x2032; is a halogen or a C-Calkyl group; and n&#x2032; is an integer of from 0-4.

Supported metallocene catalysts

Disclosed is a bimodal Ziegler-Natta catalyzed polyethylene, having a density of from 0.930 g/cc to 0.960 g/cc, and a molecular weight distribution of from 10 to 25, wherein an article formed therefrom has a PENT of at least 1500. Also disclosed is a method of preparing a tubular article including obtaining a bimodal polyethylene having a density of from 0.930 g/cc to 0.960 g/cc and a molecular weight distribution of from 10 to 25, and processing the polyethylene under conditions where a specific energy input (SEI) is less than 300 kW&#xb7;h/ton, and wherein the article has a PENT of at least 1500. Further disclosed is a method for controlling the degradation of polyethylene including polymerizing ethylene monomer, recovering polyethylene, extruding the polyethylene, and controlling the degradation of polyethylene by measuring the SEI to the extruder and adjusting throughput and/or gear suction pressure keep SEI less than 300 kW&#xb7;h/ton, and forming an article.

Bimodal pipe resin and products made therefrom

The invention is directed to a metallocene catalyst system and a process for preparing the system. The metallocene catalyst system comprises a support and metallocene bound substantially throughout the support. The selection of certain supports facilitates the production of metallocene catalyst systems having increased catalytic activity than previously recognized.

Polyolefin produced with a high performance support for a metallocene catalyst system

Polymerization processes in a bulk loop reactor are described herein. In particular, a method of contacting a flow of metallocene with a flow of propylene is provided. This method includes directing the flow of metallocene towards a junction, directing the flow of propylene towards the junction and maintaining a portion of the flow of metallocene separate from a portion of the flow propylene within a portion of the junction downstream of the flow of propylene into the junction. In another embodiment, a method of introducing a quantity of antifouling agent into a catalyst mixing system is provided. In this embodiment a portion of the antifouling agent is introduced at or downstream of a point of contact of a stream of propylene with a stream of catalyst. The antifouling agent may be a member, alone or in combination with other members, selected from Stadis 450 Conductivity Improver, Synperonic antifouling agent, and Pluronic antifouling agent.

Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene

Growing community of inventors

Webster, TX, United States of America

David J Rauscher