Patents Assigned to Total Petrochemicals Research Feluy
  • Patent number: 8192689
    Abstract: The invention relates to a device for taking out and analyzing a sample from a polymerization reactor comprising one or more sample conduits (2), for taking a sample out of said reactor and for conducting said sample to one or more sample flash tanks (3), whereby said conduits each are in communication with said reactor (19) and each are provided with at least two sampling valves (4, 5); comprising one or more sample flash tanks (3), for separating said solid particles and evaporated gas, whereby said sample flash tanks are connected to said conduits (2) and provided with means for analyzing said evaporated gas (7), and comprising one or more sample receivers (6), for purifying said solid particles, whereby said receivers are connected to said sample flash tanks (3) and provided with means (8) for analyzing said solid particles. The invention further relates to a method for improving a polymerization reaction in a polymerization reactor.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: June 5, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Hugo Vandaele
  • Publication number: 20120136124
    Abstract: The present invention discloses a process for preparing di-, tri, or multi-block polyester/polycarbonate (co)polymers by ring-opening polymerisation in the presence of a non-toxic catalyst system in combination with either a linear monohydroxy HO—PC—OR, or a linear telechelic dihydroxy HO—PC—OH, or a star polyhydroxy R—(PC—OH)n end-capped polyester/polycarbonate.
    Type: Application
    Filed: November 30, 2009
    Publication date: May 31, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Jean-François Carpentier, Sophie Guillaume, Marion Helou, Abbas Razavi
  • Publication number: 20120132845
    Abstract: The present invention is an expandable vinyl aromatic polymer which comprises: a) a matrix of a branched aromatic ionomer, b) 1-10% by weight calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix, c) 0-20% by weight, calculated with respect to the polymer (a), of a filler homogeneously distributed in the polymeric matrix, in which, the branched aromatic ionomer comprises the product of co-polymerizing a first monomer comprising an aromatic moiety and an unsaturated alkyl moiety and a second monomer comprising an ionic moiety and at least two unsaturated moieties, wherein the ionic moiety has at least two ionizable groups, a cationic group that ionizes to form cations and an anionic group that ionizes to form anions, and wherein the cationic group is polyvalent and one capable of forming bridges to other molecules. The present invention also relates to the use of the expandable vinyl aromatic polymer to make expanded articles, in particular insulation boards.
    Type: Application
    Filed: June 21, 2010
    Publication date: May 31, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Philippe Lodefier, Stéphane Nowe, Jose M. Sosa, Michel Duc
  • Patent number: 8188198
    Abstract: The present invention relates to a process for cooling a polymerization reaction for producing polyolefin comprising the steps of: (a) thermally contacting said polymerization reaction with a cooling fluid such that the cooling fluid removes thermal energy from said reaction, (b) thermally contacting said cooling fluid with a working fluid thereby recovering said thermal energy from said cooling fluid in said working fluid, and (c) thermally contacting the cooling fluid obtained in step (b) with the polymerization reaction thereby cooling said reaction, wherein the working fluid is phase converted thereby providing energy in the form of heat and/or electricity and/or mechanical power back to the polyolefin production process. Said invention also relates to a polymerization process for producing olefin polymers in a reactor, and also relates to a process for energy optimization of energy consumption in a polymerization process and to a polymerization unit.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: May 29, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Bernard Van Der Schrick
  • Publication number: 20120128908
    Abstract: The present invention is concerned with rotomoulded articles having very low warpage and shrinkage and consisting essentially of polyethylene prepared with a catalyst system based on a bis-indenyl or on a bis(n-butyl-cyclopentadienyl)metallocene component.
    Type: Application
    Filed: January 3, 2012
    Publication date: May 24, 2012
    Applicant: TOTAL PETROCHEMICAL RESEARCH FELUY
    Inventor: Eric Maziers
  • Patent number: 8182733
    Abstract: The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer.
    Type: Grant
    Filed: May 30, 2005
    Date of Patent: May 22, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Eric Maziers
  • Patent number: 8178634
    Abstract: The present invention discloses a catalyst system based on a metallocene catalyst component and a new single site catalyst component for the production in a single reactor of improved polyolefins having a bimodal molecular weight distribution.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: May 15, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Abbas Razavi
  • Publication number: 20120101233
    Abstract: The present invention discloses new catalyst systems based on complexes of divalent metals supported by chelating phenoxy ligands for immortal ring-opening polymerisation of cyclic esters and cyclic carbonates.
    Type: Application
    Filed: April 29, 2010
    Publication date: April 26, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Jean-François Carpentier, Yann Sarazin, Valentin Poirier, Marion Helou
  • Publication number: 20120101239
    Abstract: The present invention relates to a process for preparing an activating support for metallocene complexes in the polymerisation of olefins comprising the steps of: I) providing a support consisting in particles formed from at least one porous mineral oxide; II) optionally fixing the rate of silanols on the surface of the support; III) functionalising the support with a solution containing a metallic salt; IV) heating the functionalised support of step c) under an inert gas or hydrogen; V) oxidising the support of step IV by treatment under N2O and then under oxygen; VI) retrieving an active support having a controlled number of OH groups. That activating support is used to activate a metallocene catalyst component for the polymerisation of olefins.
    Type: Application
    Filed: April 29, 2010
    Publication date: April 26, 2012
    Applicants: Centre National de la Rescherche Scientifique, TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Gaëlle Pannier, Christophe Boisson, Roger Spitz
  • Publication number: 20120093693
    Abstract: The present invention provides a multiple loop reactor suitable for polymerizing olefins comprising at least two interconnected loop reactors, whereby said connection essentially consists of one or more transfer lines suitable for transferring polymer slurry from a reactor to another reactor and whereby said transfer line extends substantially horizontally. The invention further relates to a process for producing olefin polymers in a multiple loop react or according to the invention. The invention also relates to the use of a transfer line for transferring polymer slurry from a reactor to another reactor in a multiple loop reactor comprising at least two interconnected loop reactors, whereby said transfer line extends substantially horizontally.
    Type: Application
    Filed: December 20, 2011
    Publication date: April 19, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Hugo Vandaele
  • Publication number: 20120088892
    Abstract: The present invention relates to a process for producing steam using heat recovered from a polymerization reaction. In particular, the present invention relates to a process for producing steam using heat recovered from a polymerization reaction for producing polyolefin, comprising the steps of: thermally contacting said polymerization reaction with a cooling fluid such that the cooling fluid removes heat from said reaction, thermally contacting at least part of said cooling fluid with at least one absorption cycle thereby transferring heat from the cooling fluid to said absorption cycle, using said absorption cycle to produce steam from a condensate, wherein the cooling fluid is used as a hot source for heating at least one evaporator and at least one generator comprised in said at least one absorption cycle. The present invention also relates to a process for cooling a polymerization reaction using a process as described herein. Said invention also relates to a polyolefin producing unit.
    Type: Application
    Filed: July 1, 2010
    Publication date: April 12, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Pierre Van Grambezen, Mourad Abouahi
  • Patent number: 8153734
    Abstract: The present invention discloses a process for preparing polyethylene resins in a double loop reactor wherein the catalyst system comprises a bis-tetrahydroindenyl and a bis-indenyl catalyst component deposited on the same support. It also discloses the polyethylene resins obtained by the process and their use to prepare films having a good compromise of haze, processing and mechanical properties.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: April 10, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Jacques Michel, Martine Slawinski, Guy Debras
  • Publication number: 20120074039
    Abstract: The present invention is a process to upgrade light naphthas comprising branched paraffins and their use as a feedstock in a steam cracking unit, said light naphthas consisting essentially of 90 to 100% by weight of hydrocarbons having at least 5 and up to 8 carbon atoms, said process comprising, a) optionally providing an isomerization zone recovered from the gasoline unit of an oil refinery, b) optionally providing a separation zone capable to treat an hydrocarbon stream comprising branched paraffins and normal paraffins to produce a first hydrocarbon stream having a reduced branched paraffins content and an enhanced normal paraffins content and a second hydrocarbon stream having an enhanced branched paraffins content and a reduced normal paraffins content, c) optionally providing a depentanizer, such that at least two of a), b) and c) are present, wherein, the light naphtha is sent to one of a), b) and c), streams are circulating between the various zones a), b) or c), a stream rich in normal paraffi
    Type: Application
    Filed: April 22, 2010
    Publication date: March 29, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: José Castor Gonzalez, Jean Mazurelle, Walter Vermeiren
  • Patent number: 8138112
    Abstract: The present invention provides a method for improving and controlling the activity of Ziegler-Natta catalyst systems.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: March 20, 2012
    Assignees: Total Petrochemicals Research Feluy, Centre National de la Recherche Scientifique (CNRS)
    Inventors: David Ribour, Roger Spitz, Jerome Gromada, Christophe Boisson
  • Patent number: 8138282
    Abstract: The present invention relates to a loop reactor suitable for olefin polymerization process comprising: a plurality of interconnected pipes defining a flow path for a polymer slurry, said slurry consisting essentially of an olefin reactant, a polymerization catalyst, liquid diluent and solid olefin polymer particles, means for introducing olefin reactant, polymerization catalyst and diluent into said reactor, a pump suitable for maintaining the polymer slurry in circulation in said reactor, and single settling leg connected to said loop reactor through (a) a take off line extending from said reactor to said settling leg and configured to remove said polymer slurry from said reactor, and (b) a return line extending from said settling leg to said reactor, characterized in that said take off line is radially connected to said single settling leg.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: March 20, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Louis Fouarge
  • Publication number: 20120056128
    Abstract: The present invention is a composition stabilized against premature polymerization comprising: a) one or more olefinic monomers, b) one or more oxygenated components capable to be converted to peroxides, c) an efficient amount of one or more additives capable to inhibit the polymerization of the olefinic monomers of a), d) optionally an efficient amount of one or more additives capable to inhibit the production of peroxides. In an embodiment to make the stabilized composition, the additives c) and d) are introduced separately into the mixture of a) and b). The oxygenated components capable to be converted to peroxides can be selected among alcohols, aldehydes, cetones, ethers and organic acids. The additive capable to inhibit the polymerization of the olefinic monomers can be a stable free radical or hydroxylamines substituted with at least one alkyl, aryl, alkylaryl, hydroxyalkyl or hydroxylaryl group. The stable free radical is advantageously a stable nitroxide.
    Type: Application
    Filed: March 19, 2010
    Publication date: March 8, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Jean-Pierre Thoret Bauchet
  • Publication number: 20120059110
    Abstract: The present invention is a refrigerator interior liner made of a rubber modified monovinylaromatic polymer composition comprising: a) a monovinylaromatic polymer matrix having an average molecular weight in weight Mw above 150,000 g/mol, b) rubber particles dispersed therein, said particles having: a volume median particle size (RPS volume) of about 8.5 ?m, a monomodal distribution with essentially no shoulder, a low-to-moderate crosslinking of the rubber expressed as a swell index (SI) above 13.8, a rubber phase volume fraction (RPVF) of at least 39%, c) a moderate amount of low- Mw plasticizers, defined as the weight fraction of solubles in methanol, and such that the weight ratio c/(a+b+c) ranges from 0 to 5%.
    Type: Application
    Filed: March 9, 2010
    Publication date: March 8, 2012
    Applicant: Total Petrochemicals Research Feluy
    Inventors: Michel Duc, Jan Neelen, Mark O'Neill
  • Publication number: 20120045656
    Abstract: The present invention relates to a polypropylene composition comprising a first component being a propylene polymer produced in presence of a metallocene-based catalyst system, and a second component being a random copolymer of propylene and one or more comonomers, said random copolymer being produced in presence of a Ziegler-Natta polymerization catalyst. The polypropylene composition of the present invention is particularly suited for blown film and is characterized by excellent optical properties. Further, the present invention relates to a multilayer film or a laminate comprising such a blown film. Additionally, the present invention relates to a process for producing such a blown film, multilayer film or laminate.
    Type: Application
    Filed: March 5, 2010
    Publication date: February 23, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Fabienne Radermacher, Franky Fant
  • Publication number: 20120037146
    Abstract: Disclosed is a burner tip to be used in a furnace for the combustion of fuel gas in the combustion zone of a furnace, that comprises a burner tube that has a longitudinal axis and has a dowstream end and an upstream end for receiving the fuel gas.
    Type: Application
    Filed: February 12, 2010
    Publication date: February 16, 2012
    Applicant: Total Petrochemicals Research Feluy
    Inventor: Erwin Platvoet
  • Patent number: 8110643
    Abstract: The present invention discloses copolymers of styrene and ethylene with highly syndiotactic styrene blocks prepared with of a catalyst system comprising a metallocene catalyst component of the general formula (I): (Flu-R?—C p)M(n3-C3R?5)(ether)n wherein Cp is a cyclopentadienyl, substituted or unsubstituted, Flu is a fluorenyl, substituted or unsubstituted, M is a metal Group III of the Periodic Table, ether is a donor solvent molecule, R? is a structural bridge between Cp and Flu (9 position) imparting stereorigidity to the component, each R? is the same or different and is hydrogen or an hydrocarbyl having from 1 to 20 carbon atoms and n is 0, 1 or 2. It also discloses styrene-ethylene copolymers having a high styrene content in which styrene units form syndiotactic polystyrene blocks.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: February 7, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Jean-François Carpentier, Evgueni Kirllov, Abbas Razavi, Anne-Sophie Rodrigues