Ether Patents (Class 502/126)
  • Patent number: 10611865
    Abstract: The present invention provides a solid organomagnesium precursor having formula {Mg(OR?)X}.a{MgX2}.b{Mg(OR?)2}.c{R?OH}, wherein R? is selected from a hydrocarbon group, X is selected from a halide group, and a:b:c is in range of 0.01-0.5:0.01-0.5:0.01-5 and process for preparing the same, said process comprising contacting a magnesium source with a solvating agent, an organohalide and an alcohol to obtain the solid organomagnesium precursor. The present invention also provides a process for preparing a catalyst system using the organomagnesium precursor and its use thereof for polymerization of olefins.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: April 7, 2020
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Sukhdeep Kaur, Gurmeet Singh, Bhasker Bantu, Naresh Kumar, Gurpreet Singh Kapur, Shashi Kant, Biswajit Basu, Ravinder Kumar Malhotra
  • Patent number: 10124324
    Abstract: The present invention relates to a Ziegler-Natta catalyst component for olefin polymerization containing an amide element in combination with one or more internal electron donors. The catalyst components, according to the present invention, are able to produce polypropylene polymers with higher stereo-regularity. The present invention also provides a phthalate-free catalyst system capable of producing polypropylene with an isotacticity that is equal to or higher than catalyst systems containing phthalate derivatives.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: November 13, 2018
    Assignee: Formosa Plastics Corporation, USA
    Inventors: Gapgoung Kong, Lei Zhang, Demin Xu, Yiqun Fang, Chih-Jian Chen
  • Patent number: 10113021
    Abstract: Propylene random copolymers with low randomness and being free of from catalyst originating phthalates.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: October 30, 2018
    Assignee: Borealis AG
    Inventors: Ville Virkkunen, Torvald Vestberg
  • Patent number: 9777084
    Abstract: A phthalate-free catalyst component for olefin polymerization comprising titanium, magnesium, a halogen, diether, and oxalic acid diamides represented by the following formula (I): and an olefin polymerization catalyst system consisting of the solid catalyst component, an organoaluminum compound, and an optional external electron donor compound. The present catalyst compositions improve diether-based catalyst selectivity while maintaining excellent catalyst activity and hydrogen response. An olefin polymer that has a moderate molecular weight distribution while maintaining higher stereoregularity (isotacticity) over diether-based catalyst, and better than or equal to phthalate-based catalyst can be produced by utilizing the inventive catalyst component.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: October 3, 2017
    Assignee: Formosa Plastics Corporation, USA
    Inventors: Lei Zhang, Gapgoung Kong, Chih-Jian Chen, Demin Xu, Yiqun Fang, Guangxue Xu
  • Patent number: 9724681
    Abstract: Processes of making catalyst compositions are provided. In an exemplary embodiment, the processes include modifying an organoaluminum compound with a modifier that decreases the initial reducing strength of the organoaluminum compound, where the modifier can be an ether, an anhydride, an amine, an amide, a silicate, a silyl ether, a siloxane, an ester, a carbonate, a urea, a carbamate, a sulfoxide, a sulfone, a phosphoramide, or a combination thereof. The processes further include adding a transition metal complex to the mixture of the organoaluminum compound and the modifier; and obtaining a catalyst composition including the organoaluminum compound and the transition metal complex.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: August 8, 2017
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Sebastiano Lucciulli, Roland Schmidt
  • Patent number: 9587050
    Abstract: A method for producing a solid catalyst component for olefin polymerization produces a novel solid catalyst component for olefin polymerization that achieves excellent olefin polymerization activity and activity with respect to hydrogen during polymerization, and can produce an olefin polymer that exhibits a high MFR, high stereoregularity, and excellent rigidity.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: March 7, 2017
    Assignee: TOHO TITANIUM CO., LTD.
    Inventors: Motoki Hosaka, Noriaki Nakamura, Shingo Yamada, Toshihiko Sugano
  • Patent number: 9034784
    Abstract: The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound and a succinate compound as internal electron donor, all supported on a magnesium halide in active form, an organoaluminium compound and an optional external donor.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: May 19, 2015
    Assignee: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Alain Standaert, Jerome Gromada, David Vandewiele
  • Patent number: 9034783
    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) In which R1 to R4 groups, equal to or different from each other, are hydrogen, C1-C15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, R6 group is selected from C1-C15 hydrocarbon groups optionally containing an heteroatom selected from halogen, P, S, N and Si, and R5 is selected from phenyl groups mono or poly substituted with halogens, said groups R1-R4 being also optionally linked to form a saturated or unsaturated mono or poly cycle.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: May 19, 2015
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Alessandro Mignogna, Davide Balboni, Antonio Cristofori, Simona Guidotti, Giampiero Morini, Joachim T. M. Pater
  • Publication number: 20150073108
    Abstract: The present invention relates to a high surface area silicon derivative free magnesium-titanium catalyst system for ethylene polymerization comprising: magnesium mixed alkoxide and titanium chloride. The present invention also provides a simple process for the preparation of high surface area silicon derivative free magnesium-titanium catalyst system for ethylene polymerization by reacting magnesium alkoxide precursor with titanium compound using dialkyl dialkoxy silane as external donor. The invention further relates to the process for ethylene polymerization using the silicon derivative free magnesium-titanium catalyst system and polyethylene produced by the catalyst system having narrow molecular weight distribution and higher bulk density.
    Type: Application
    Filed: July 26, 2012
    Publication date: March 12, 2015
    Applicant: Reliance Industries Limited
    Inventors: Harshad Ramdas Patil, Virendrakumar Gupta, Ajay Vinoklal Kothari
  • Patent number: 8975353
    Abstract: The present invention provides a process for producing an ?-olefin polymer comprising polymerizing or copolymerizing (a) C3 or higher ?-olefin(s) in the presence of an olefin polymerization catalyst comprising solid titanium catalyst component (I) containing titanium, magnesium, halogen, and a compound with a specific structure having two or more ether linkages and organometallic catalyst component (II) with high catalytic activity. In this process, particularly even in (co)polymerizing (a) higher olefin(s), demineralization is unnecessary. A 4-methyl-1-pentene-based polymer obtained by polymerization using the catalyst of the present invention is excellent in tacticity, transparency, heat resistance, and releasability, and the polymer is particularly suitable for a release film.
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: March 10, 2015
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tooru Tanaka, Tetsunori Shinozaki
  • Patent number: 8933180
    Abstract: The present disclosure relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound containing at least one 9-(alkoxymethyl)-9H-fluorene compound. The 9-(alkoxymethyl)-9H-fluorene compound include octyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; 7-methyloctyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; 2-ethylhexyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; and 9-(methoxymethyl)-9H-fluorene-9-yl benzoate. The present disclosure further relates to catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The present disclosure also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: January 13, 2015
    Assignee: BASF Corporation
    Inventor: Main Chang
  • Patent number: 8921253
    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) In which R to R4 groups, equal to or different from each other, are hydrogen, halogen or C1-C15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, which may be linked to form a saturated or unsaturated mono or polycycle and R5 groups are selected from C1-C15 hydrocarbon groups optionally containing an heteroatom selected from halogen, P, S, N and Si.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: December 30, 2014
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Alessandro Mignogna, Simona Guidotti, Giampiero Morini, Joachim T. M. Pater
  • Publication number: 20140378631
    Abstract: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises (i) a non-stereospecific solid catalyst component comprising Ti, Mg and a halogen and having a porosity, due to pores with radius up to 1 ?m, ranging from 0.2 to 0.8 cm3/g and (ii) an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component (i), said pre-polymerized catalyst component being characterized by a mercury porosity due to pores up to 1 ?m of less than 70% the mercury porosity value of the said non-stereospecific solid catalyst component (i).
    Type: Application
    Filed: December 11, 2012
    Publication date: December 25, 2014
    Inventors: Diego Brita, Gianni Collina, Giampiero Morini
  • Publication number: 20140378298
    Abstract: The invention relates to a particulate Group 2 metal/transition metal olefin polymerisation catalyst component comprising a special 1,3-diether as internal donor, to a process for preparing same and to the use of such a catalyst component for pre paring a catalyst used in the polymerisation of olefins.
    Type: Application
    Filed: December 19, 2012
    Publication date: December 25, 2014
    Inventors: Georgy Kipiani, Timo Leinonen, Peter Denifl, Reijo Mulari, Tommi Krogerus
  • Publication number: 20140357815
    Abstract: A catalyst system for the polymerization of olefins may include a first solid catalytic component and a second solid catalytic component. The first solid catalytic component may include: a spherical MgCl2-xROH support; a group 4-8 transition metal; and a diether internal electron donor. The second solid catalytic component may include: a spherical MgCl2-xROH support; a group 4-8 transition metal; and a diether internal electron donor. The first solid catalytic component produces a propylene homopolymer having a Xylene Solubles (XS) value of greater than 2 wt %; and the second solid catalytic component produces a propylene homopolymer having a XS value of less than 2 wt %. The second catalytic component may act as an external electron donor during use, and embodiments herein do not require use of any additional external electron donors to control polymerization and reliably vary the properties of the resulting polymer.
    Type: Application
    Filed: May 27, 2014
    Publication date: December 4, 2014
    Applicant: LUMMUS NOVOLEN TECHNOLOGY GMBH
    Inventors: Yvonne Denkwitz, Oliver Schuster, Andreas Winter
  • Publication number: 20140357477
    Abstract: Process for the preparation of new particulate olefin polymerisation catalyst components using a special alcohol mixture as well as the use of said new catalyst components for preparing a catalyst used in polymerisation processes.
    Type: Application
    Filed: December 19, 2012
    Publication date: December 4, 2014
    Inventors: Peter Denifl, Timo Leinonen
  • Publication number: 20140343237
    Abstract: A solid catalyst component for olefin polymerization includes titanium, magnesium, a halogen, and a compound represented by the following formula (1): R1O—C(?O)—O—Z—OR2, and an olefin polymerization catalyst includes the solid catalyst component, an organoaluminum compound, and an optional external electron donor compound. An olefin polymer that has a moderate molecular weight distribution while maintaining high stereoregularity can be produced by utilizing the solid catalyst component and the olefin polymerization catalyst.
    Type: Application
    Filed: May 9, 2012
    Publication date: November 20, 2014
    Applicant: TOHO TITANIUM CO., LTD.
    Inventors: Toshihiko Sugano, Toshiya Uozumi, Noriaki Nakamura
  • Publication number: 20140316083
    Abstract: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component, said prepolymerized catalyst component being characterized by a mercury porosity, due to pores having radius up to 1 ?m, ranging from 0.15 to 0.5 cm3/g and by the fact that at least 55% of said porosity is due to pores having pore radius up to 0.2 ?m.
    Type: Application
    Filed: December 11, 2012
    Publication date: October 23, 2014
    Inventors: Diego Brita, Gianni Collina, Giampiero Morini
  • Publication number: 20140296454
    Abstract: The invention relates to a catalyst system for the production of ultrahigh molecular weight polyethylene comprising I. a solid reaction product obtained by reaction of: (a) a hydrocarbon solution comprising (1) an organic oxygen containing magnesium compound or a halogen containing magnesium compound and (2) an organic oxygen containing titanium compound and (b) a mixture comprising a metal compound having the formula MeRnX3-n wherein X is a halogenide, Me is a metal of Group III of Mendeleev's Periodic System of Chemical Elements, R is a hydrocarbon radical containing 1-10 carbon atoms and 0?n?3 and a silicon compound of formula RmSiCl4.m wherein 0?m?2 and R is a hydrocarbon radical containing 1-10 carbon atoms wherein the molar ratio of metal from (b): titanium from (a) is lower than 1:1 II. an organo aluminium compound having the formula AIR3 in which R is a hydrocarbon radical containing 1-10 carbon atoms and III.
    Type: Application
    Filed: December 10, 2012
    Publication date: October 2, 2014
    Applicant: Saudi Basic Industries Corporation
    Inventors: Aurora Alexandra Batinas-Geurts, Nicolaas Hendrika Friederichs, Tom Schoffelen, Erik Zuidema
  • Publication number: 20140275452
    Abstract: Solid catalyst components are disclosed, which include titanium, magnesium, halogen and a combination of internal electron donor compounds containing at least one 1,8 naphthyl diester compound of Formula (II-1) and at least one 3,3-bis(methoxymethyl) alkane of Formula (II-2): wherein R1, R2, R3, R4, R5, R6, R7, R8, A, and B are described herein. Catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds are also discussed. This disclosure relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha olefins using the catalyst systems.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: BASF CATALYSTS LLC
    Inventor: Main CHANG
  • Publication number: 20140275451
    Abstract: The present disclosure relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound containing at least one 9-(alkoxymethyl)-9H-fluorene compound. The 9-(alkoxymethyl)-9H-fluorene compound include octyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; 7-methyloctyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; 2-ethylhexyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; and 9-(methoxymethyl)-9H-fluorene-9-yl benzoate. The present disclosure further relates to catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The present disclosure also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: BASF CATALYSTS LLC
    Inventor: Main CHANG
  • Patent number: 8835578
    Abstract: Catalyst component for the polymerization of olefins CH2?CHR in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and two electron donor compounds one of which selected from alkoxybenzenes and the other being selected from those of formula (II) where RI and RII are the same or different and are hydrogen or linear or branched C1-C18 hydrocarbon groups which can also form one or more cyclic structures; RIII groups, equal or different from each other, are hydrogen or C1-C18 hydrocarbon groups; RIV groups equal or different from each other, have the same meaning of RIII except that they cannot be hydrogen; each of RI to RIV groups can contain heteroatoms selected from halogens, N, O, S and Si.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: September 16, 2014
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Simona Guidotti, Fabrizio Piemontesi, Joachim T. M. Pater, Giampiero Morini
  • Patent number: 8829126
    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti, halogen and two electron donor compounds one of which selected those of formula (I) and the other being selected from succinates of formula (II):
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: September 9, 2014
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Simona Guidotti, Fabrizio Piemontesi, Joachim T. M. Pater, Giampiero Morini
  • Patent number: 8802584
    Abstract: A supported catalyst system comprising a phosphinimine ligand containing catalyst on a porous inorganic support treated with a metal salt has improved reactor continuity in a dispersed phase reaction in terms of initial activation and subsequent deactivation. The resulting catalyst has a lower consumption of ethylene during initiation and a lower rate of deactivation. Preferably the catalyst is used with an antistatic agent.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: August 12, 2014
    Assignee: Nova Chemicals (International) S.A.
    Inventors: Lee Douglas Henderson, Peter Phung Minh Hoang, Ian Ronald Jobe, Xiaoliang Gao
  • Publication number: 20140221583
    Abstract: An olefin polymer that is obtained using an olefin polymerization catalyst that includes a solid catalyst component for olefin polymerization that includes titanium, magnesium, a halogen, and an ester compound (A) represented by the following formula (1): R1R2C?C(COOR3)(COOR4), an organoaluminum compound, and an optional external electron donor compound, exhibits primary properties (e.g., molecular weight distribution and stereoregularity) similar to those of an olefin polymer obtained using a solid catalyst component that includes a phthalic ester as an electron donor.
    Type: Application
    Filed: April 13, 2012
    Publication date: August 7, 2014
    Applicant: TOHO TITANIUM CO., LTD.
    Inventors: Toshiya Uozumi, Shingo Yamada, Noriaki Nakamura, Koichiro Hisano, Motoki Hosaka, Toshihiko Sugano
  • Patent number: 8765626
    Abstract: The presently disclosed and claimed inventive concept(s) relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound having at least one ester group and at least one alkoxy group, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The presently disclosed and claimed inventive concept(s) further relates to methods of making the catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: July 1, 2014
    Assignee: BASF Corporation
    Inventor: Main Chang
  • Publication number: 20140148565
    Abstract: A method for making a solid catalyst component for use in a Ziegler-Natta catalyst includes combining in a hydrocarbon solvent a porous particulate support with a hydrocarbon soluble organomagnesium compound to form a suspension. The organomagnesium compound is halogenated followed by addition of an alcohol and the mixture is then reacted with a titanium compound followed by a reaction with at least one diether compound to form the solid catalyst component. Afterwards the reaction product is extracted with a mixture of a titanium compound and a hydrocarbon solvent. The solid catalyst component recovered is combined with an aluminum cocatalyst to form a Ziegler-Natta catalyst system for the polymerization of olefins. In particular, the catalyst system including a diether internal electron donor may have an activity and hydrogen response suitable for the production of propylene polymers having a molecular weight distribution (PI(GPC)) in the range from about 5.75 to about 9.
    Type: Application
    Filed: November 18, 2013
    Publication date: May 29, 2014
    Applicant: Lummus Novolen Technology GmbH
    Inventors: Yvonne Denkwitz, Oliver Schuster, Andreas Winter
  • Publication number: 20140142262
    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) In which R1 to R4 groups, equal to or different from each other, are hydrogen, C1-C15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, R6 group is selected from C1-C15 hydrocarbon groups optionally containing an heteroatom selected from halogen, P, S, N and Si, and R5 is selected from phenyl groups mono or poly substituted with halogens, said groups R1-R4 being also optionally linked to form a saturated or unsaturated mono or poly cycle.
    Type: Application
    Filed: June 15, 2012
    Publication date: May 22, 2014
    Applicant: Basell Poliolefine Italia S.r.I.
    Inventors: Alessandro Mignogna, Davide Balboni, Antonio Cristofori, Simona Guidotti, Giampiero Morini, Joachim T.M Peter
  • Publication number: 20140128250
    Abstract: The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound and a succinate compound as internal electron donor, all supported on a magnesium halide in active form, an organoaluminium compound and an optional external donor.
    Type: Application
    Filed: January 15, 2014
    Publication date: May 8, 2014
    Applicant: Total Research & Technology Feluy
    Inventors: Alain Standaert, Jerome Gromada, David Vandewiele
  • Patent number: 8697827
    Abstract: Disclosed herein are procatalyst compositions, catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions contain a halo-malonate and a 2-fluoro-malonate in particular. The present catalyst compositions improve catalyst selectivity, improve catalyst activity, and also improve hydrogen response during polymerization. Propylene-based polymer produced from the present catalyst composition has a melt flow rate greater than 50 g/10 min.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: April 15, 2014
    Assignee: W. R. Grace & Co.-Conn
    Inventors: Linfeng Chen, Tak W. Leung, Tao Tao
  • Patent number: 8680222
    Abstract: The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound and a succinate compound as internal electron donor, all supported on a magnesium halide in active form, an organoaluminium compound and an optional external donor.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: March 25, 2014
    Assignee: Total Research & Technology Feluy
    Inventors: Alain Standaert, Jerome Gromada, David Vandewiele
  • Publication number: 20140058053
    Abstract: Heterocyclic organic compounds are used as electron donors in conjunction with solid Ziegler-Natta type catalyst in processes in which polyolefins such as polypropylene are produced. The electron donors may be used in the preparation of solid catalyst system, thus serving as “internal electron donors”, or they may be employed during or prior to polymerization with the co-catalyst as “external electron donors”.
    Type: Application
    Filed: November 1, 2013
    Publication date: February 27, 2014
    Applicant: Formosa Plastics Corporation USA
    Inventors: Yiqun Fang, Demin Xu, Ming-Yung Lee
  • Publication number: 20140046010
    Abstract: A porous solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being selected from 1,3-diethers and the other being selected from succinates, characterized by the fact that the molar ratio ID/Ti is from 0.30 to 0.90, where ID is the total molar amount of succinate and 1,3-diether, the molar ratio of the 1,3-diether donor to the succinate donor is higher than, or equal to, 0.60.
    Type: Application
    Filed: March 29, 2012
    Publication date: February 13, 2014
    Applicant: Basell Poliolefine Italia S.r.I.
    Inventors: Simona Guidotti, Giampiero Morini, Simona Esposito, Alessandro Mignogna, Joachim T.M. Pater, Fabrizio Piemontesi, Diego Brita
  • Patent number: 8642494
    Abstract: A catalyst system can include a Ziegler-Natta catalyst, an internal donor, a magnesium halide in active form, and an organoaluminium compound. The Ziegler-Natta catalyst can have a titanium compound and at least one titanium-halogen bond. The internal donor can include at least 80 wt % of an enamino-imine with respect to a total weight of the internal donor. The Ziegler-Natta catalyst and the internal donor can both be supported on the magnesium halide in active form.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: February 4, 2014
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Hugues Haubruge, Guillaume Pavy, Alain Standaert
  • Patent number: 8604143
    Abstract: Disclosed are catalyst compositions for isoprene polymerization formed from components comprising (A) at least one titanium halide; (B) at least one organic aluminum compound comprising at least one alkyl aluminum of formula AlR3, wherein each of the three Rs is independently chosen from linear and branched C1-6 alkyl groups; and (C) at least one electron donor comprising at least one polyether compound of formula (I) and/or at least one tetrahydro-furfuryl ether compound of formula (II). Also disclosed are processes for preparation of the catalyst compositions and processes using the catalyst compositions for isoprene polymerization.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: December 10, 2013
    Assignees: China Petroleum & Chemical Corporation, Sinopec Beijing Research Institute of Chemical Industry
    Inventors: Chao Wang, Chuanqing Li, Guozhu Yu, Aimin Liang, Jie Zhang, Lin Xu, Pengfei Lv, Huiling Liu
  • Patent number: 8546289
    Abstract: A solid catalyst component for olefin polymerization in which the molar ratio of residual alkoxy groups to supported titanium is 0.60 or less is obtained by reacting the following compound (a1) with the following compound (b1) at a hydroxyl group/magnesium molar ratio of 1.0 or more, reacting the reaction mixture with the following compound (c1) at a halogen/magnesium molar ratio of 0.20 or more, reacting the resultant reaction mixture with the following compounds (d1) and (e) at a temperature of 120° C. or higher but 150° C.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: October 1, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Shojiro Tanase, Takanori Sadashima
  • Patent number: 8536290
    Abstract: Disclosed herein are catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present catalyst compositions contain an internal electron donor of an alkoxyalkyl 2-propenoate and optionally a mixed external electron donor. The present catalyst compositions improve catalyst selectivity and polymer stiffness. Polypropylene homopolymer produced from the present catalyst composition has a xylene solubles content less than 4 wt % and a TMF greater than 172.0° C.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: September 17, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Linfeng Chen, Tak W. Leung, Tao Tao
  • Publication number: 20130237407
    Abstract: The present invention relates to a process for the production of fibres and filaments with polypropylene having a broad polydispersity index. The present invention also relates to high elongation nonwoven prepared from such fibres and filaments. It further relates to films and laminates prepared from high elongation nonwoven.
    Type: Application
    Filed: April 29, 2013
    Publication date: September 12, 2013
    Applicant: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Hugues Haubruge, Guillaume Pavy
  • Publication number: 20130231447
    Abstract: Solid catalyst components are disclosed including titanium, magnesium, halogen and an internal electron donor compound having at least one ester group and at least one alkoxy group, 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.
    Type: Application
    Filed: April 2, 2013
    Publication date: September 5, 2013
    Applicant: BASF Corporation
    Inventor: Main CHANG
  • Patent number: 8497328
    Abstract: A solid catalyst component comprising Ti, Mg, halogen and a couple of monofunctional electron donor compounds MD1 and MD2 selected from esters and ethers, said donors being present in amounts such that the molar ratio MD1/MD2 ranges from 20 to 800. The so obtained catalyst component when converted into a catalyst is able to produce ethylene polymers with good morphological properties even under drastic polymerization conditions.
    Type: Grant
    Filed: August 13, 2009
    Date of Patent: July 30, 2013
    Assignee: Basell Poliolefine Italia, s.r.l.
    Inventors: Diego Brita, Gianni Collina
  • Publication number: 20130137568
    Abstract: The presently disclosed and claimed inventive concept(s) relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound having at least one ester group and at least one alkoxy group, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The presently disclosed and claimed inventive concept(s) further relates to methods of making the catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
    Type: Application
    Filed: November 30, 2011
    Publication date: May 30, 2013
    Inventor: Main Chang
  • Publication number: 20130109789
    Abstract: An olefin polymerization catalyst is obtained by bringing the following components (A), (B) and (C) into contact with one another: (A) a solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom and a halogen atom; (B) an organoaluminum compound; and (C) a triether represented by formula (I). An olefin polymerization solid catalyst can be provided having a sufficiently high polymerization activity and an ability to produce an olefin polymer with a low content of low-molecular weight components and amorphous components.
    Type: Application
    Filed: October 24, 2012
    Publication date: May 2, 2013
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: SUMITOMO CHEMICAL COMPANY, LIMITED
  • Publication number: 20130102744
    Abstract: A catalyst system comprising the product obtained by contacting (a) a solid catalyst component containing Mg, Ti, halogen and at least an electron donor compound selected from 1,3-diethers; (b) an alkylaluminum cocatalyst; and (c) an ester of formula ROOC—(CH2)n—COOR in which n is an integer from 2 to 8, R groups, equal to or different from each other, are C1-C10 alkyl groups.
    Type: Application
    Filed: June 6, 2011
    Publication date: April 25, 2013
    Applicant: Basell Poliolefine Italia, s.r.l.
    Inventors: Masaki Fushimi, Simona Guidotti, Marc Oliver Kristen, Alessandro Mignogna, Giampiero Morini, Joachim T.M. Pater
  • Publication number: 20130072648
    Abstract: A solid catalyst for olefin polymerization and a process for producing an olefin polymer are provided. The polymer has a small content of a component which is dissolved out into a low temperature organic solvent, such as a low-molecular weight component and an amorphous component. The solid catalyst is obtained by bringing a solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom, a halogen atom, and an aliphatic carboxylate; an organoaluminum compound; and a compound represented by formula (I) into contact with each other: wherein R1 is a hydrocarbyl group having 1 to 10 carbon atoms, R2 is a hydrogen atom, a halogen atom or a hydrocarbyl group having 1 to 16 carbon atoms, and the R1 the R2 groups are independently the same or different, and the respective R1 groups and R2 groups may be joined with each other to form a ring.
    Type: Application
    Filed: September 20, 2012
    Publication date: March 21, 2013
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Sumitomo Chemical Company, Limited
  • Patent number: 8394734
    Abstract: Provided are a solid catalyst for propylene polymerization which includes titanium, magnesium, halogen and an internal electron donor mixture of two or more compounds wherein the internal electron donor mixture includes at least one selected from the bicycloalkanes or bicycloalkenes and at least one selected from diethers and succinates, and a method for preparing propylene using the same. As disclosed, it is possible to prepare polypropylene having an excellent stereoregularity with a high production yield.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: March 12, 2013
    Assignee: Samsung Total Petrochemicals Co., Ltd.
    Inventors: Sang Yull Kim, Jin Woo Lee, Eun Il Kim, Joon Ryeo Park
  • Patent number: 8383540
    Abstract: Disclosed herein are procatalyst compositions, catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions contain a halo-malonate and a 2-fluoro-malonate in particular. The present catalyst compositions improve catalyst selectivity, improve catalyst activity, and also improve hydrogen response during polymerization. Propylene-based polymer produced from the present catalyst composition has a melt flow rate greater than 50 g/10 min.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: February 26, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Linfeng Chen, Tak W. Leung, Tao Tao
  • Publication number: 20130045862
    Abstract: Process for the preparation of a solid olefin polymerisation catalyst system, comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) in the form of solid particles comprising the steps of I) generating an emulsion by dispersing a liquid clathrate in a solvent (S) wherein (i) the solvent (S) constitutes the continuous phase of the emulsion and comprises a nonreactive fluorinated synthetic oil having a viscosity at 20° C.
    Type: Application
    Filed: April 28, 2011
    Publication date: February 21, 2013
    Applicant: BOREALIS AG
    Inventors: Jenni Valonen, Marja Mustonen
  • Publication number: 20120329963
    Abstract: The present invention relates to catalysts component for the polymerization of ethylene and its mixtures with olefins CH2?CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising Ti, Mg, halogen, and electron donor belonging to 1,2-diethers as internal electron donor compound. The catalyst of the invention is suitably used in (co)polymerization processes of ethylene to prepare (co)polymers having narrow Molecular Weight Distribution (MWD) and high bulk density.
    Type: Application
    Filed: March 1, 2011
    Publication date: December 27, 2012
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Benedetta Gaddi, Maria Carbonara, Paolo Vincenzi
  • Publication number: 20120316300
    Abstract: Catalyst component for the polymerization of olefins CH2?CHR in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and two electron donor compounds one of which selected those of formula (I) wherein: R2, equal to or different from each other, are hydrogen atoms or C1-C20 hydrocarbon radicals optionally containing heteroatoms belonging to groups 13-17 of the periodic table of the elements or alkoxy groups of formula —OR1, two or more of the R2 groups can be connected together to form a cycle; R1, equal to or different from each other, are C1-C20 hydrocarbon radicals optionally containing heteroatoms belonging to groups 13-17 of the periodic table of the elements, with the proviso that at least one of R2 is —OR1 and the other being selected from succinates of formula (II): wherein the radicals RI and RII, equal to or different from each other, are a C1-C20 linear or branched alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or alkylaryl group, optionally containi
    Type: Application
    Filed: February 22, 2011
    Publication date: December 13, 2012
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: Simona Guidotti, Fabrizio Piemontesi, Joachim T.M. Pater, Giampiero Morini
  • Publication number: 20120302709
    Abstract: Catalyst component for the polymerization of olefins CH2?CHR in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and two electron donor compounds one of which selected from alkoxybenzenes and the other being selected from those of formula (II) where RI and RII are the same or different and are hydrogen or linear or branched C1-C18 hydrocarbon groups which can also form one or more cyclic structures; RIII groups, equal or different from each other, are hydrogen or C1-C18 hydrocarbon groups; RIV groups equal or different from each other, have the same meaning of RIII except that they cannot be hydrogen; each of RI to RIV groups can contain heteroatoms selected from halogens, N, O, S and Si.
    Type: Application
    Filed: February 22, 2011
    Publication date: November 29, 2012
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: Simona Guidotti, Fabrizio Piemontesi, Joachim T.M. Pater, Giampiero Morini