CL2019002999A1 - Medios para aumentar el peso molecular y disminuir la densidad de los interpolímeros de etileno usando formulaciones catalizadoras homogéneas y heterogéneas. - Google Patents

Medios para aumentar el peso molecular y disminuir la densidad de los interpolímeros de etileno usando formulaciones catalizadoras homogéneas y heterogéneas.

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Publication number
CL2019002999A1
CL2019002999A1 CL2019002999A CL2019002999A CL2019002999A1 CL 2019002999 A1 CL2019002999 A1 CL 2019002999A1 CL 2019002999 A CL2019002999 A CL 2019002999A CL 2019002999 A CL2019002999 A CL 2019002999A CL 2019002999 A1 CL2019002999 A1 CL 2019002999A1
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CL
Chile
Prior art keywords
reactor
ethylene interpolymer
homogeneous
density
molecular weight
Prior art date
Application number
CL2019002999A
Other languages
English (en)
Inventor
Peter Zoricak
Qinyan Wang
Xiaochuan Wang
Fazle Sibtain
Christopher Dobbin
Kenneth Taylor
Hamidreza Khakdaman
Brian Molloy
Asseldonk Lawrence Van
Zengrong Zhang
Niousha Kazemi
Stephen Salomons
Monika Kleczek
Mehdi Keshtkar
Charles Carter
Original Assignee
Nova Chem Int Sa
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Publication date
Application filed by Nova Chem Int Sa filed Critical Nova Chem Int Sa
Publication of CL2019002999A1 publication Critical patent/CL2019002999A1/es

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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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    • C08F2/00—Processes of polymerisation
    • C08F2/001—Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
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    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
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    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
    • C08F4/652—Pretreating with metals or metal-containing compounds
    • C08F4/655—Pretreating with metals or metal-containing compounds with aluminium or compounds thereof
    • C08F4/6555—Pretreating with metals or metal-containing compounds with aluminium or compounds thereof and magnesium or compounds thereof
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    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
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    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
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    • C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
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    • C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/03—Narrow molecular weight distribution, i.e. Mw/Mn < 3
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    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
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    • C08F4/65908—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
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    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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    • C08L2314/06—Metallocene or single site catalysts

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  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
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  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
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  • Crystallography & Structural Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

SE DIVULGA UN PROCESO DE POLIMERIZACIÓN DE SOLUCIÓN CONTINUA CARACTERIZADO PORQUE SE EMPLEAN AL MENOS DOS FORMULACIONES CATALIZADORAS. SE EMPLEA UNA PRIMERA FORMULACIÓN CATALIZADORA HOMOGÉNEA EN UN PRIMER REACTOR PARA PRODUCIR UN PRIMER INTERPOLÍMERO DE ETILENO Y SE EMPLEA UNA PRIMERA FORMULACIÓN CATALIZADORA HETEROGÉNEA EN UN SEGUNDO REACTOR PARA PRODUCIR UN SEGUNDO INTERPOLÍMERO DE ETILENO. OPCIONALMENTE, SE FORMA UN TERCER INTERPOLÍMERO DE ETILENO EN UN TERCER REACTOR. LOS PRODUCTOS DE INTERPOLÍMERO DE ETILENO RESULTANTES POSEEN PROPIEDADES DESEABLES EN VARIAS APLICACIONES DE USO FINAL, POR EJEMPLO, EN APLICACIONES DE PELÍCULA. SE DIVULGA UN MEDIO PARA AUMENTAR EL PESO MOLECULAR DEL PRIMER INTERPOLÍMERO DE ETILENO Y/O UN MEDIO PARA AUMENTAR LA TEMPERATURA DEL PRIMER REACTOR, EN RELACIÓN CON UNA TERCERA FORMULACIÓN CATALIZADORA HOMOGÉNEA. SE DIVULGA UN MEDIO PARA REDUCIR LA PROPORCIÓN DE PESO (a-OLEFINA/ETILENO) EN EL PRIMER REACTOR Y/O PARA REDUCIR LA DENSIDAD DEL PRIMER INTERPOLÍMERO DE ETILENO EN RELACIÓN CON UNA TERCERA FORMULACIÓN CATALIZADORA HOMOGÉNEA.
CL2019002999A 2017-04-19 2019-10-18 Medios para aumentar el peso molecular y disminuir la densidad de los interpolímeros de etileno usando formulaciones catalizadoras homogéneas y heterogéneas. CL2019002999A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15/491,264 US10442920B2 (en) 2017-04-19 2017-04-19 Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations

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CL2019002999A1 true CL2019002999A1 (es) 2020-02-07

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US (3) US10442920B2 (es)
EP (1) EP3612575A1 (es)
JP (1) JP6944539B2 (es)
KR (1) KR102259586B1 (es)
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