PT95453A - Processo para a producao de polimeros adesivos - Google Patents

Processo para a producao de polimeros adesivos Download PDF

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Publication number
PT95453A
PT95453A PT95453A PT9545390A PT95453A PT 95453 A PT95453 A PT 95453A PT 95453 A PT95453 A PT 95453A PT 9545390 A PT9545390 A PT 9545390A PT 95453 A PT95453 A PT 95453A
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Prior art keywords
range
ethylene
propylene
process according
weight
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PT95453A
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English (en)
Inventor
Kiu Hee Lee
Seung Joon Rhee
Edgar Champman Baker
David Nicholas Edwards
John Henry Moorhouse
Leonard Sebastian Scarola
Frederick John Karol
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Union Carbide Chem Plastic
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Publication of PT95453A publication Critical patent/PT95453A/pt

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • 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
    • C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2019/00—Use of rubber not provided for in a single one of main groups B29K2007/00 - B29K2011/00, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Claims (4)

  1. REIVINDICAÇÕES 1§. - Processo para a produção de polímeros adesivos a temperaturas de reacçáo de polimerização superiores à temperatura de amolecimento dos citados polímeros adesivos num reactor em leito fluidizado na presença dum catalisador, ca-racterizado pelo facto de compreender a realização da citada reacção de polimerização a uma temperatura superior às temperaturas de amolecimento dos referidos polímeros adesivos na presença de cerca de 0,3 a cerca de 80 por cento em peso, com base no peso do produto polimérico final de um material inerte em partículas com uma granulometria média compreendida no intervalo entre cerca de 0,01 e cerca de 10 micrómetros de forma que se mantenha a aglomeração polimérica dos referidos polímeros adesivos a um valor adequado para a produção contínua dos mencionados polímeros adesivos. 2â. - Processo de acordo com a reivindicação 1, ca-racterizado pelo facto de o mencionado material inerte em partículas ser escolhido do grupo formado por negro de fumo, sílica e argila. 3ã. - Processo de acordo com a reivindieação 1, ca-racterizado pelo facto de o citado material inerte em partículas ser um negro de fumo que tem uma granulometria das partículas primárias compreendida no intervalo entre cerca de 10 e cerca de 100 manómetros, um tamanho médio dos aglomerados compreendido entre cerca de 0,1 e cerca de 10 micrómetros uma área superficial específica compreendida no intervalo en-tre cerca de 30 e cerca de 1,500 m /g e uma ahsorção de ftala to de dihutilo compreendida no intervalo entre cerca de 80 e cerca de 350 cm^/100 grama. - 34 -
    4- » - Processo de acordo com a reivindicação 1, ca-racterizado pelo facto de o citado material inerte em partículas ser sílica com uma granulornetria das partículas primárias compreendida no intervalo entre cerca de 5 e cerca de 50 nanómetros, um tamanlio médio dos aglomerados compreendido no intervalo entre cerca de 0,1 e cerca de 10 micrómetros, uma área superficial específica compreendida no intervalo entre cerca de 50 e cerca de 500 m /g e uma absorção de fta-lato de dibutilo compreendida no intex*valo entre cerca de 100 •3 e cerca de 400 cnr/100 gramas. 5- · - Processo de acordo com a reivindicação 1, ea-racterizado pelo facto de o citado material inerte em partículas ser argila com uma granulometria média das partículas primárias compreendida no intervalo entre cerca de 0,01 e cerca de 10 micrometros, uma área superficial específica com-preendida no intervalo entre cerca de 3 e cerca de 30 m /g e uma absorção de óleo compreendida no intervalo entre cerca de 20 e cerca de 110 g por 100 g. 6ã. - Erocesso de acordo com a reivindicação 1, ca-racterizado pelo facto de os referidos polímeros adesivos serem L a) borrachas de etileno-propileno; b) borrachas de termonómeros de etileno/propileno/ /dieno; c) borrachas de polibutadieno; e d) copolímeros em bloco de propileno-etileno, com um elevado teor de etileno. 7-* - Processo de acordo com a reivindicação 6, ca-racterizado pelo facto de os citados termonómeros de etileno/ /propileno/dieno serem termonómeros de etileno/propileno/ - 35 -
    /etilidenonorbomeno. 8§. - Processo de acordo com a reivindicação 6, ca-racterizado pelo facto de os citados termonómeros de etileno/ /propileno/dieno serem termonómeros de etileno/propileno/he-xadieno. 9-. - Processo de acordo com a reivindicação 1, ca-racterizado pelo facto de o citado material inerte em partículas ser empregado numa quantidade compreendida no intervalo entre cerca de 5$ e cerca de 75$ com base no peso do produto polimérico final. 10¾. - Processo de acordo com a reivindicação 1, ca-racterizado pelo facto de se aquecer e purgar com azoto o referido material inerte em partículas, antes de entrar no citado reactor. 11§. - Processo de acordo com a reivindicação 3, ca-racterizado pelo facto de o citado negro de fumo ser empregado numa quantidade compreendida no intervalo entre cerca de 0,3$ e cerca de 50$ com base no peso do produto polimérico final. 12^. - Processo de acordo com a reivindicação 1, ca-racterizado pelo facto de se utilizar o citado negro de fumo numa quantidade compreendida no intervalo entre cerca de 5$ e cerca de 30$ com base no peso do produto polimérico final. 13-· - Processo de acordo com a reivindicação 4> ca-racterizado pelo facto de se utilizar a mencionada sílica numa quantidade compreendida no intervalo entre cerca de 0,3$ e cerca de 50$ com base no peso do produto polimérico final. 1 l 1 l
    3β - 14-. - Processo de acordo com a reivindicação 4» ca-racterizado pelo facto de "se empregar a referida sílica numa quantidade compreendida no intervalo entre cerca de 5^ e cerca de 30$ com base no peso do produto polimérico final. 15§. - Processo de acordo com a reivindicação 5» ca-racterizado pelo facto de se utilizar a referida argila numa quantidade compreendida no intervalo entre cerca de 12$ e cerca de 75$ com base no peso do produto polimérico final. 16ã. - Processo para a produção de terpolímeros de etileno/propileno/etilidenonorborneno a temperaturas da reac-ção de polimerização superiores à temperatura de amolecimento dos citados terpolímeros de etileno/propileno/etilidenonor-borneno num reactor em leito fluidizado, catalisada por um catalisador de metal de transição, caracterizado pelo facto de compreender a realização da citada reacção de polimerização a uma temperatura superior à temperatura de amolecimento dos referidos terpolímeros de etileno/propileno/etilidenonor-borneno, na presença de cerca de 0,3 a cerca de 50 por cento em peso, com base no peso do produto final de negro de fumo com uma granulometria de partículas primárias compreendido no intervalo entre cerca de 10 e cerca de 100 nanómetros um tamanho médio de aglomerados compreendido entre cerca de 0,1 e cerca de 10 mierómetros uma área superficial específica compreendida no intervalo entre cerca de 30 e cerca de 1.500 m2/g e uma absorção de ftalato de dibutilo compreendida no O intervalo entre cerca de 10 e cerca de 350 cm /100 grama, de forma que a aglomeração dos referidos terpolímeros de etile-no/propileno/etilidenonorbomeno seja mantida num tamanho adequado para a produção contínua dos mencionados terpolímeros de etileno/propileno/etilidenonorborneno.
  2. 173. - Processo de acordo com a reivindicação 16, ca- racterizado pelo facto de se utilizar o referido negro de fumo numa quantidade compreendida no intervalo entre cerca de 5$ e cerca de 30# com "base no peso do produto polimérico final. 18&. - Processo de acordo com a reivindicação 1, ca~ racterizado pelo facto de se aquecer e purgar com azoto o referido negro de fumo e purgado com azoto, antes de entrar no citado reactor. 19â. - Processo para a produção de borrachas de eti-leno/propileno a temperatura de reacção de polimerização superiores à temperatura de amolecimento das citadas borrachas de etileno/propileno num reactor em leito fluidizado catalisado por um catalisador de metal de transição, caracterizado pelo facto de compreender a realização da citada reacção de polimerização a uma temperatura superior à temperatura de amolecimento do referido copolímero na presença de cerca de 0,3 a cerca de 50 por cento em peso, com base no peso do produto final, de negro de fumo com uma granulornetria das partículas primárias compreendida no intervalo entre cerca de 10 e cerca de 100 nanometros, um tamanho médio de aglomerados compreendido entre cerca de 0,1 e cerca de 10 micrómetros uma área superficial específica compreendida no intervalo en-tre cerca de 30 e cerca de 1.500 m /g e com uma absorção de ftalato de dibutilo compreendida no intervalo entre cerca de 10 e cerca de 350 cnr/100 gramas, de forma que a aglomeração de polímero das mencionadas borrachas de etileno/propileno e mantida com um tamanho adequado para a produção contínua das referidas borrachas de etileno/propileno.
  3. 203. - Processo de acordo com a reivindicação 19, caracterizado pelo facto de se utilizar o citado negro de fumo numa quantidade compreendida no intervalo entre cerca •1 •1 ο
    ο - 38 - de 5%> e cerca de 30% com base no peso do produto final. 2is. - Processo de acordo com a reivindicação 19, caracterizado pelo facto de se aquecer e purgar com azoto o referido negro de fumo antes de entrar no citado reactor.
  4. 222. - Processo para a produção de terpolímeros de etileno/propileno/etilidenonorborneno a temperaturas de reac-ção de polimerização superiores a temperatura de amolecimento dos citados terpolímeros de etileno/propileno/etilideno-norborneno num reactor em leito fluidizado catalisada por um catalisador de metal de transição, caracterizado pelo facto de compreender a realização da citada reacção de polimerização a uma temperatura superior à temperatura de amolecimento dos referidos terpolímeros de etileno/propileno/etilidenonor-bomeno, na presença de cerca de 0,3 a cerca de 50 por cento em peso, com base no peso do produto final de sílica com uma granulometria das partículas primárias compreendido no intervalo entre cerca de 5 e cerca de 50 nanómetros, um tamanho médio de aglomerados compreendidos entre cerca de 0,1 e cerca de 10 micrometros, uma área superficial específica compreen-dida no intervalo entre cerca de 50 e cerca de 500 m /g e uma absorção de ftalato dibutilo compreendida no intervalo entre cerca de 100 e cerca de 400 cm^/100 grama, de forma que a aglomeração dos referidos terpolímeros de etileno/propileno/ /etilidenonorbomeno é mantida com um tamanho adequado para a produção contínua dos mencionados terpolímeros de etileno/ /propileno /etilidenonorbomeno. 23§· ~ Processo de acordo oom a reivindicação 22, caracterizado pelo facto de se utilizar a referida sílica numa quantidade compreendida no intervalo entre cerca de 5% e cerca de 30% com base no peso do produto final. - 39 - * fc
    24§. - Processo de acordo com a reivindicação 22, caracterizado pelo facto de se aquecer e purgar com azoto a referida sílica antes de entrar no citado reactor. u 25-· - Processo para a produção de borrachas de eti-leno/propileno a temperaturas da reacção de polimerização superior à temperatura de amolecimento das citadas borrachas de etileno/propileno num reactor em leito fluidizado catalisada por um catalisador de metal de transição, caracterizado pelo facto de compreender a realização da citada reacção de polimerização a uma temperatura superior à temperatura de amolecimento das referidas borrachas de etileno/propileno na presença de cerca de 0,3 a cerca de 50 por cento em peso, com base no peso do produto final, duma sílica com uma granulo-metria das partículas primárias compreendida no intervalo entre cerca de 5 e cerca, de 50 nanómetros, um tamanho médio de aglomerado compreendido entre cerca de 0,1 e cerca de 10 mi-crometros, uma área superficial específica compreendida no intervalo entre cerca de 50 e cerca de 500 m /g e uma absorção de ftalato de dibutilo compreendida no intervalo entre O cerca de 100 e cerca de 400 cnr/100 gramas, de forma que a aglomeração de polímero das mencionadas borrachas de etileno/ /propileno é mantida num tamanho adequado para a produção contínua das referidas borrachas de etileno/propileno.
    26§. - Processo de acordo com a reivindicação 25, caracterizado pelo facto de se utilizar a citada sílica numa quantidade compreendida no intervalo entre cerca de 5$ e cerca de 30$ com base no peso do produto final. 40 40
    l) ti Ρ (; 27a. Processo de acordo com a reivindicação 25, caracterizado pelo facto de se aquecer e purgar com azoto a mencionada sílica com azoto antes de entrar no citado reactor. 28a. Processo de acordo com a reivindicação 1, caracterizado pelo facto de se obter um produto polimérico adesivo contendo entre cerca de 0,3 e cerca de 80 por cento em peso de material inerte em particulas. Lisboa, 27 de Setembro de 1990 jo Agente Oficial da Propriedade Industrial PRIA S1LV1MV18BÂ àdiunfò Amêrie® daSiltm OamlSio Ajjonto Oficial de Propriedade Indietrlal Rua Marquês de Fronteira, N.° 127 - 2.° 1QQ0 LISBOA. Tals.3877373-3877458
PT95453A 1989-09-28 1990-09-27 Processo para a producao de polimeros adesivos PT95453A (pt)

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US07/413,704 US4994534A (en) 1989-09-28 1989-09-28 Process for producing sticky polymers

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PT95453A true PT95453A (pt) 1991-05-22

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US (1) US4994534A (pt)
EP (1) EP0422452B1 (pt)
JP (1) JPH0647606B2 (pt)
KR (1) KR950006119B1 (pt)
CN (1) CN1051737A (pt)
AR (1) AR244251A1 (pt)
AT (1) ATE190069T1 (pt)
AU (1) AU620736B2 (pt)
BG (1) BG92915A (pt)
BR (1) BR9004882A (pt)
CA (1) CA2026338A1 (pt)
DE (1) DE69033470T2 (pt)
ES (1) ES2142788T3 (pt)
FI (1) FI904765A7 (pt)
HU (1) HUT63640A (pt)
MX (1) MX22641A (pt)
NO (1) NO904203L (pt)
NZ (1) NZ235485A (pt)
PH (1) PH26958A (pt)
PT (1) PT95453A (pt)
TR (1) TR24892A (pt)
ZA (1) ZA907745B (pt)

Families Citing this family (183)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5162463A (en) * 1990-12-10 1992-11-10 Union Carbide Chemicals & Plastics Technology Corporation Method for producing sticky polymers
US5200477A (en) * 1991-02-22 1993-04-06 Union Carbide Chemicals & Plastics Technology Corporation Process for producing sticky polymers
EP0530709A1 (en) * 1991-08-30 1993-03-10 Union Carbide Chemicals & Plastics Technology Corporation Process for producing sticky polymers
US5116940A (en) * 1991-10-30 1992-05-26 Union Carbide Chemicals & Plastics Technology Corporation Process for recycling inert particulate materials
GB9207736D0 (en) * 1992-04-08 1992-05-27 Exxon Chemical Patents Inc Ethlene elastomer compounds having good processability and ageing properties
US5194526A (en) * 1992-07-30 1993-03-16 Union Carbide Chemicals & Plastics Technology Corporation Process for producing sticky polymers
US5264506A (en) * 1992-12-30 1993-11-23 Union Carbide Chemicals & Plastics Technology Corporation Process for producing sticky polymers
US5376743A (en) * 1993-03-11 1994-12-27 Union Carbide Chemicals & Plastics Technology Corporation Process for the production of sticky polymers
US5391657A (en) * 1993-09-27 1995-02-21 Union Carbide Chemicals & Plastics Technology Corporaton Method for reducing sheeting and static charges during polymerization of ethylene polymers
US5416175A (en) * 1993-12-17 1995-05-16 Union Carbide Chemicals & Plastics Technology Corporation Method for reducing sheeting during polymerization of α-olefins
US5405219A (en) * 1994-05-18 1995-04-11 Union Carbide Chemicals & Plastics Technology Corporation Solids feeder
US5625012A (en) * 1994-06-29 1997-04-29 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerization of alpha olefins
US5733988A (en) * 1994-06-29 1998-03-31 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerizations employing butadiene, isoprene, and/or styrene
US5461123A (en) 1994-07-14 1995-10-24 Union Carbide Chemicals & Plastics Technology Corporation Gas phase fluidized bed polyolefin polymerization process using sound waves
US5428118A (en) 1994-07-15 1995-06-27 Union Carbide Chemicals & Plastics Technology Corporation Gas phase fluidized bed polyolefin polymerization process using gas or gas-solids tangential flow
US6384156B1 (en) * 1994-08-02 2002-05-07 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization process
US5453471B1 (en) * 1994-08-02 1999-02-09 Carbide Chemicals & Plastics T Gas phase polymerization process
US5712353A (en) * 1994-10-31 1998-01-27 Exxon Chemical Patents Inc. Gas phase polymerization process
US5585184A (en) * 1994-09-29 1996-12-17 Union Carbide Chemicals & Plastics Technology Corporation Colorable non-sticky resin core-shell particles
EP0712871A1 (en) 1994-11-02 1996-05-22 Union Carbide Chemicals & Plastics Technology Corporation Process for the production of homogeneous ethylene propylene rubbers using a vanadium catalyst supported on magnesium chloride
US5548040A (en) 1994-12-20 1996-08-20 Union Carbide Chemicals & Plastics Technology Corporation Process for passivation of a reactor after shutdown of alpha olefin polymerization processes
US5616661A (en) * 1995-03-31 1997-04-01 Union Carbide Chemicals & Plastics Technology Corporation Process for controlling particle growth during production of sticky polymers
DE19530339A1 (de) * 1995-08-18 1997-02-20 Degussa Pyrogene Kieselsäure, Verfahren zu ihrer Herstellung und Verwendung
US5688910A (en) * 1995-09-26 1997-11-18 Union Carbide Chemicals & Plastics Technology Corporation Process and apparatus for removing unpolymerized gaseous monomers from olefin polymers
CA2190678A1 (en) 1995-11-22 1997-05-23 Robert Joseph Noel Bernier Process for preparing elastomeric compounds from granular elastomers and polymers and articles manufactured therefrom
CA2190302A1 (en) 1995-11-22 1997-05-23 Gregory George Smith Process for preparing vulcanizable elastomeric compounds from granular elastomer blends and elastomeric articles manufactured therefrom
CA2190301A1 (en) 1995-11-22 1997-05-23 Robert Joseph Noel Bernier Curable ethylene-alpha olefin-diene elastomer
AR005066A1 (es) 1995-12-15 1999-04-07 Union Carbide Chem Plastic Un procedimiento para hacer un homopolimero, copolimero o terpolimero de polietileno con ramificacion de cadena larga, una composicion de polietilenoasi obtenida y un articulo de pelicula o moldeado por inyeccion que comprende dicha composicion.
US5693727A (en) * 1996-06-06 1997-12-02 Union Carbide Chemicals & Plastics Technology Corporation Method for feeding a liquid catalyst to a fluidized bed polymerization reactor
US6812184B1 (en) * 1996-06-17 2004-11-02 Exxonmobil Chemical Patents Inc. Supported late transition metal catalyst systems
US6086783A (en) * 1996-07-08 2000-07-11 Sony Corporation Polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water
US5763541A (en) * 1996-12-04 1998-06-09 Union Carbide Chemicals & Plastics Technology Corporation Process for feeding particulate material to a fluidized bed reactor
US5728782A (en) * 1996-12-06 1998-03-17 Union Carbide Chemicals & Plastics Technology Corporation Gas phase anionic polymerization of dienes and vinyl-substituted aromatic compounds
WO1999002573A1 (en) * 1997-07-08 1999-01-21 Union Carbide Chemicals & Plastics Technology Cor Poration Method for reducing sheeting during olefin polymerization
AU8488198A (en) * 1997-07-16 1999-02-10 Union Carbide Chemicals & Plastics Technology Corporation Low bed-level transition, start-up, and reactor residence time control using sound waves
US6004677A (en) * 1997-08-08 1999-12-21 Union Carbide Chemicals & Plastics Technology Corporation Gas phase production of polydienes with pre-activated nickel catalysts
US6001478A (en) * 1997-08-08 1999-12-14 Union Carbide Chemicals & Plastics Technology Corporation Resin particle produced by diene polymerization with rare earth and transition metal catalysts
DE19744710A1 (de) * 1997-10-10 1999-04-15 Bayer Ag Gasphasenpolymerisation in einem Kelchreaktor
US6127302A (en) * 1997-12-09 2000-10-03 Union Carbide Chemicals & Plastics Technology Corporation Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production
US5962362A (en) * 1997-12-09 1999-10-05 Union Carbide Chemicals & Plastics Technology Corporation Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production
US6159889A (en) * 1997-12-09 2000-12-12 Union Carbide Chemicals & Plastics Technology Corporation Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production
DE19801859A1 (de) * 1998-01-20 1999-07-22 Bayer Ag Verfahren zur Vermeidung von Instabilitäten bei der Gasphasenpolymerisation von Kautschuk
US6511936B1 (en) 1998-02-12 2003-01-28 University Of Delaware Catalyst compounds with β-diminate anionic ligands and processes for polymerizing olefins
EP0939087A3 (en) * 1998-02-27 2003-04-16 Chisso Corporation Catalyst for olefin (co)polymerization and process for the production of olefin (co)polymers
KR100342541B1 (ko) * 1998-04-16 2002-06-28 나까니시 히로유끼 올레핀 중합촉매 및 중합방법
BR9910984A (pt) 1998-06-09 2001-02-13 Union Carbide Chem Plastic Processo e equipamento para uma aprimorada fluidez de sólidos mediante a redução da força de consolidação
US6214903B1 (en) 1998-06-16 2001-04-10 Union Carbide Chemicals & Plastics Technology Corporation Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
US6011128A (en) * 1998-06-17 2000-01-04 Union Carbide Chemicals & Plastics Technology Corporation Process for conditioning a gas-phase reactor to produce an ethylene-propylene or ethylene-propylene-diene rubber
US6200509B1 (en) 1998-06-26 2001-03-13 Union Carbide Chemicals & Plastics Technology Corporation Form of synthetic rubber
KR100368184B1 (ko) * 1998-12-11 2003-01-30 미쓰이 가가쿠 가부시키가이샤 올레핀 중합용 촉매 및 올레핀의 중합 방법
US6441107B1 (en) 1998-12-18 2002-08-27 Union Carbide Chemicals & Plastics Technology Corporation Molecular weight control of gas phase polymerized polybutadiene when using a rare earth catalyst
DE19919870A1 (de) 1999-04-30 2000-11-02 Bayer Ag Verfahren zur Suspensions-Polymerisation von konjugierten Dienen
US6214946B1 (en) * 1999-05-19 2001-04-10 Union Carbide Chemicals & Plastics Technology Corporation Inert particulate material passivation for single-site catalyst in EPDM production
KR20010039657A (ko) * 1999-06-14 2001-05-15 조셉 에스. 바이크 폴리올레핀 내에서의 올리고머 및 겔 형성 감소
US6180738B1 (en) * 1999-06-29 2001-01-30 Union Carbide Chemicals & Plastics Technology Corporation Production of a sticky polymer using an improved carbon black
US6255412B1 (en) 1999-06-29 2001-07-03 Union Carbide Chemicals & Plastics Technology Corporation Polymerization of a sticky polymer in the presence of a treated carbon black
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
US20040087743A1 (en) * 2001-03-27 2004-05-06 Xinlai Bai Gas phase process for polymers with group 4 metal complex catalyst addition
IL162889A0 (en) * 2002-01-15 2005-11-20 Advanced Elastomer Systems Thermoplastic elastomers and process for making the same
WO2004031292A2 (en) 2002-10-02 2004-04-15 Dow Global Technologies Inc. POLYMER COMPOSITIONS COMPRISING A LOW VISCOSITY, HOMOGENEOUSLY BRANCHED ETHYLENE/α-OLEFIN EXTENDER
DE10259243A1 (de) * 2002-12-17 2004-07-01 Merck Patent Gmbh Verfahren zur Herstellung von Co- und Terpolymeren aus Olefinen
US6989344B2 (en) 2002-12-27 2006-01-24 Univation Technologies, Llc Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
US7737205B2 (en) * 2003-07-28 2010-06-15 Dow Global Technologies Inc Thermoplastic vulcanizates and process to prepare them
US6982304B2 (en) * 2003-12-22 2006-01-03 Union Carbide Chemicals & Plastics Technology Corporation Blow molding resins with improved ESCR
US7270791B2 (en) * 2004-05-17 2007-09-18 Univation Technologies, Llc Angular flow distribution bottom head
US7598327B2 (en) * 2004-11-10 2009-10-06 Chevron Phillips Chemical Company Lp Method for polymerizing olefins in a gas phase reactor using a seedbed during start-up
US6987152B1 (en) 2005-01-11 2006-01-17 Univation Technologies, Llc Feed purification at ambient temperature
US20070027276A1 (en) * 2005-07-27 2007-02-01 Cann Kevin J Blow molding polyethylene resins
US8129484B2 (en) * 2005-07-27 2012-03-06 Univation Technologies, Llc Blow molding polyethylene resins
US7714082B2 (en) * 2005-10-04 2010-05-11 Univation Technologies, Llc Gas-phase polymerization process to achieve a high particle density
EP1777209A1 (en) * 2005-10-20 2007-04-25 Saudi Basic Industries Corporation Method for oligomerization of ethylene and reactor system therefor with removal of heavy molecular weight oligomers
US20070109911A1 (en) * 2005-11-16 2007-05-17 Neubauer Anthony C High speed and direct driven rotating equipment for polyolefin manufacturing
BRPI0717152B1 (pt) * 2006-10-03 2018-07-03 Univation Technologies, Llc. Método para polimerização de olefina e sistema de reação para polimerização de olefina
US7754834B2 (en) * 2007-04-12 2010-07-13 Univation Technologies, Llc Bulk density promoting agents in a gas-phase polymerization process to achieve a bulk particle density
TW200936564A (en) * 2007-11-15 2009-09-01 Univation Tech Llc Methods for the removal of impurities from polymerization feed streams
EP2072588B1 (en) 2007-12-20 2012-10-10 Borealis Technology Oy Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof
PL2072587T3 (pl) 2007-12-20 2020-11-02 Borealis Technology Oy Powlekane rury o ulepszonych właściwościach mechanicznych w wysokich temperaturach i sposób ich wytwarzania
EP2072589A1 (en) 2007-12-20 2009-06-24 Borealis Technology Oy Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof
EP2072586B1 (en) 2007-12-20 2020-11-11 Borealis Technology Oy Coated pipes having improved mechanical properties and a method of production thereof
US8129482B2 (en) 2008-02-27 2012-03-06 Westlake Longview Corporation Method of preventing or reducing polymer agglomeration on grid in fluidized-bed reactors
US8124697B2 (en) 2008-02-27 2012-02-28 Westlake Longview Corporation Method of preventing or reducing agglomeration on grid in fluidized-bed vessel
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
RU2527945C2 (ru) 2009-01-08 2014-09-10 Юнивейшн Текнолоджиз, Ллк Добавка для процессов полимеризации полиолефинов
BRPI1005302B1 (pt) * 2009-02-06 2021-07-20 Dow Global Technologies Llc Interpolímero a base de etileno, composição, artigo e tubo oco
EP2516489B1 (en) 2009-12-21 2014-07-02 W.R. Grace & CO. - CONN. Gas-phase polymerization process having multiple flow regimes
BR112012020762B1 (pt) 2010-02-18 2020-04-07 Univation Tech Llc método para inativar um reator de polimerização de fase gasosa
CA2793693A1 (en) 2010-04-05 2011-10-13 Dow Global Technologies Llc Process for polymerizing olefin-based polymers containing high molecular weight fractions in condensed and super-condensed mode
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
EP2593217B1 (en) 2010-07-16 2014-07-02 Univation Technologies, LLC Systems and methods for measuring particle accumulation on reactor surfaces
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
KR101854945B1 (ko) 2010-12-17 2018-05-04 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 퍼지 기체 생성물로부터 탄화수소를 회수하기 위한 시스템 및 방법
US8703884B2 (en) 2010-12-22 2014-04-22 Univation Technologies, Llc Additive for polyolefin polymerization processes
US10647790B2 (en) 2011-06-30 2020-05-12 W. R. Grace & Co.-Conn. Process for gas-phase polymerization having high bed bulk density
JP6154396B2 (ja) 2011-11-30 2017-06-28 ユニベーション・テクノロジーズ・エルエルシー 触媒送出方法及びシステム
WO2014071119A1 (en) 2012-11-01 2014-05-08 Univation Technologies, Llc Mixed compatible ziegler-natta/chromium catalysts for improved polymer products
BR112015009968A2 (pt) 2012-11-12 2017-07-11 Univation Tech Llc sistemas resfriadores de gás de reciclagem para processos de polimerização em fase gasosa
US9650453B2 (en) 2012-12-28 2017-05-16 Univation Technologies, Llc Methods of integrating aluminoxane production into catalyst production
KR102214265B1 (ko) 2013-01-14 2021-02-10 유니베이션 테크놀로지즈, 엘엘씨 증가된 생산성을 갖는 촉매 시스템의 제조 방법
US8604115B1 (en) 2013-03-07 2013-12-10 King Fahd University Of Petroleum And Minerals Ethylene/propylene copolymer nanocomposite
SG10201906006QA (en) 2013-11-21 2019-08-27 Univation Tech Llc Method for controlling polyolefin properties during polymerisation
WO2015081251A1 (en) 2013-11-26 2015-06-04 W. R. Grace & Co.-Conn Producing propylene impact copolymers and products
DE102013020293A1 (de) * 2013-12-09 2015-06-11 Bowcraft Gmbh Dampfbremse
CN104045757A (zh) * 2014-06-27 2014-09-17 安徽嘉木橡塑工业有限公司 一种乙丙橡胶生产工艺
KR101544941B1 (ko) * 2014-12-03 2015-08-17 코오롱글로텍주식회사 소수성 또는 발수성 기재용 접착제 및 이의 제조방법
CA2974122C (en) 2015-01-21 2023-09-19 Univation Technologies, Llc Methods for gel reduction in polyolefins
EP3247548B1 (en) 2015-01-21 2021-09-01 Univation Technologies, LLC Methods for controlling polymer chain scission
CN107531839B (zh) 2015-04-24 2021-05-25 尤尼威蒂恩技术有限责任公司 用于操作聚合反应器的方法
US10913831B2 (en) 2016-01-29 2021-02-09 Univation Technologies, Llc Polyolefin film with improved toughness
US10870719B2 (en) 2016-04-20 2020-12-22 Univation Technologies, Llc Polymer flow index modifier
WO2018060029A1 (en) 2016-09-28 2018-04-05 Borealis Ag Process for producing a coated pipe
CA3043017A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Bimodal polyethylene
EP3778666B1 (en) 2016-11-08 2023-12-13 Univation Technologies, LLC Polyethylene composition
EP3538569B1 (en) 2016-11-08 2021-12-01 Univation Technologies, LLC Polyethylene composition
US10982025B2 (en) 2016-11-25 2021-04-20 Borealis Ag Process for producing polyolefin film composition and films prepared thereof
CA3046800A1 (en) 2016-12-15 2018-06-21 Univation Technologies, Llc Rating polymerization processes
EP3418308B1 (en) * 2017-06-20 2020-03-11 Borealis AG A method, an arrangement and use of an arrangement for olefin polymerisation
WO2019022799A1 (en) * 2017-07-26 2019-01-31 Exxonmobil Chemical Patents Inc. REMOVAL OF NON-REAGENT MONOMERS AND OTHER MATERIALS FROM POLYOLEFIN PRODUCT PARTICLES
WO2019046085A1 (en) 2017-08-28 2019-03-07 Univation Technologies, Llc BIMODAL POLYETHYLENE
CN111051419A (zh) 2017-09-11 2020-04-21 尤尼威蒂恩技术有限责任公司 含有碳黑的双峰聚乙烯组合物
WO2019083716A1 (en) 2017-10-27 2019-05-02 Univation Technologies, Llc RESINS AND FILMS BASED ON A POLYETHYLENE COPOLYMER
US11161923B2 (en) 2017-10-27 2021-11-02 Univation Technologies, Llc Selectively transitioning polymerization processes
JP7304348B2 (ja) 2017-12-05 2023-07-06 ユニベーション・テクノロジーズ・エルエルシー 活性化噴霧乾燥チーグラー・ナッタ触媒系
SG11202004922SA (en) 2017-12-05 2020-06-29 Univation Tech Llc Modified spray-dried ziegler-natta (pro)catalyst systems
EP3728350B1 (en) 2017-12-18 2024-03-13 Dow Global Technologies LLC Zirconocene-titanocene catalyst system
EP3728349A1 (en) 2017-12-18 2020-10-28 Dow Global Technologies LLC Hafnocene-titanocene catalyst system
SG11202008088YA (en) 2018-03-19 2020-10-29 Univation Tech Llc Ethylene/1-hexene copolymer
EP3774943B1 (en) 2018-03-26 2025-07-23 Dow Global Technologies LLC Spray-dried zirconocene catalyst system
WO2019190898A1 (en) 2018-03-28 2019-10-03 Univation Technologies, Llc Multimodal polyethylene composition
CA3099703A1 (en) 2018-05-24 2019-11-28 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
CA3102426A1 (en) 2018-06-12 2019-12-19 Dow Global Technologies Llc Activator-nucleator formulations
CN112105652B (zh) 2018-06-13 2023-05-05 尤尼威蒂恩技术有限责任公司 喷雾干燥的齐格勒-纳塔（前）催化剂体系
CN112469748B (zh) 2018-06-13 2023-04-04 尤尼威蒂恩技术有限责任公司 双峰聚乙烯共聚物和其薄膜
EP3830146A1 (en) 2018-07-31 2021-06-09 Univation Technologies, LLC Unimodal polyethylene copolymer and film thereof
US12012472B2 (en) 2018-07-31 2024-06-18 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
US12173108B2 (en) 2018-08-29 2024-12-24 Univation Technologies, Llc Method of changing melt rheology property of bimodal polyethylene polymer
US11767385B2 (en) 2018-08-29 2023-09-26 Univation Technologies Llc Bimodal polyethylene copolymer and film thereof
US12049527B2 (en) 2018-09-28 2024-07-30 Univation Technologies, Llc Bimodal polyethylene copolymer composition and pipe made thereof
SG11202103831TA (en) 2018-11-06 2021-05-28 Dow Global Technologies Llc Alkane-soluble non-metallocene precatalysts
CN112805289B (zh) 2018-11-06 2024-09-06 陶氏环球技术有限责任公司 烷烃可溶的非茂金属预催化剂
CN112839966B (zh) 2018-11-06 2023-07-28 陶氏环球技术有限责任公司 使用烷烃可溶性非茂金属预催化剂进行烯烃聚合的方法
EP3902850A1 (en) 2018-12-28 2021-11-03 Borealis AG A process for producing polyolefin film composition and films prepared thereof
WO2020136165A1 (en) 2018-12-28 2020-07-02 Borealis Ag A process for producing polyolefin film composition and films prepared thereof
CA3137149A1 (en) 2019-04-30 2020-11-05 Dow Global Technologies Llc Metal-ligand complexes
MX2021012797A (es) 2019-04-30 2021-11-12 Dow Global Technologies Llc Copolimero de poli(etileno-co-1-alqueno) bimodal.
EP4098670B1 (en) 2019-04-30 2026-05-13 Dow Global Technologies LLC Bimodal poly(ethylene-co-1-alkene) copolymer
EP3980491B1 (en) 2019-06-10 2023-05-03 Univation Technologies, LLC Polyethylene blend
AR119631A1 (es) 2019-08-26 2021-12-29 Dow Global Technologies Llc Composición a base de polietileno bimodal
WO2021061597A1 (en) 2019-09-26 2021-04-01 Univation Technologies, Llc Bimodal polyethylene homopolymer composition
CN115397873B (zh) 2020-04-01 2024-09-24 陶氏环球技术有限责任公司 双峰线性低密度聚乙烯共聚物
WO2021242795A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated post-metallocene catalysts
KR20230017245A (ko) 2020-05-29 2023-02-03 다우 글로벌 테크놀로지스 엘엘씨 감쇠된 포스트-메탈로센 촉매
CN115698105B (zh) 2020-05-29 2024-11-08 陶氏环球技术有限责任公司 化学转化催化剂
EP4157898B1 (en) 2020-05-29 2026-04-29 Dow Global Technologies LLC Chemically converted catalysts
EP4157893B1 (en) 2020-05-29 2026-04-29 Dow Global Technologies LLC Attenuated hybrid catalysts
BR112022021802A2 (pt) 2020-05-29 2022-12-13 Dow Global Technologies Llc Métodos para produzir um catalisador e um polímero poliolefínico, catalisador pós-metalocênico atenuado, método de alimentar um catalisador pós-metalocênico, e, sistema de catalisador multimodal
CA3193394A1 (en) 2020-09-22 2022-03-31 Bo Liu Bimodal polyethylene copolymer and film thereof
CA3193704A1 (en) 2020-09-30 2022-04-07 Rujul M. MEHTA Bimodal polyethylene copolymers for pe-80 pipe applications
US20240002562A1 (en) 2021-02-15 2024-01-04 Dow Global Technologies Llc Method for making a poly(ethylene-co-1 -alkene) copolymer with reverse comonomer distribution
CN117480191A (zh) 2021-06-11 2024-01-30 博里利斯股份公司 一种生产多峰乙烯聚合物的方法以及由其制备的薄膜
CN118139902A (zh) 2021-10-21 2024-06-04 尤尼威蒂恩技术有限责任公司 双峰聚(乙烯-共-1-烯烃)共聚物和由其制备的吹塑中型散装容器
AR128453A1 (es) 2022-02-11 2024-05-08 Dow Global Technologies Llc Composiciones de polietileno de densidad media bimodal adecuadas para el uso como cintas de goteo de microirrigación
EP4344869A1 (en) 2022-09-30 2024-04-03 Borealis AG Multimodal ethylene copolymer composition and films comprising the same
WO2024083689A1 (en) 2022-10-18 2024-04-25 Borealis Ag Multilayer film
EP4605116A1 (en) 2022-12-12 2025-08-27 Univation Technologies, LLC Decreasing triboelectric charging of, and/or reactor fouling by, polyolefin particles
CN120322466A (zh) 2022-12-19 2025-07-15 陶氏环球技术有限责任公司 制备形态改善的聚乙烯粉末的方法
EP4403598A1 (en) 2023-01-23 2024-07-24 Borealis AG Polymer composition comprising recycled low density polyethylene for packaging applications
EP4698572A1 (en) 2023-04-19 2026-02-25 Dow Global Technologies LLC Pipes including high density multimodal polyethylene compositions
WO2024253861A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysys comprising substituted 2-hydroxythiophene compounds
WO2024253863A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
KR20260021692A (ko) 2023-06-08 2026-02-13 다우 글로벌 테크놀로지스 엘엘씨 치환된 2-히드록시티오펜 화합물을 포함하는 담지 올레핀 중합 촉매
KR20260021691A (ko) 2023-06-08 2026-02-13 다우 글로벌 테크놀로지스 엘엘씨 치환된 2-히드록시티오펜 화합물을 포함하는 담지 올레핀 중합 촉매
KR20260021694A (ko) 2023-06-08 2026-02-13 다우 글로벌 테크놀로지스 엘엘씨 치환된 2-히드록시티오펜 화합물을 포함하는 담지 올레핀 중합 촉매
CN121263423A (zh) 2023-06-08 2026-01-02 陶氏环球技术有限责任公司 包含取代的2-羟基噻吩化合物的负载型烯烃聚合催化剂
KR20260025386A (ko) 2023-06-23 2026-02-24 유니베이션 테크놀로지즈, 엘엘씨 단일 반응기로 제조된 바이모달 고밀도 폴리에틸렌 공중합체 및 방법 및 물품
WO2025034361A1 (en) 2023-08-10 2025-02-13 Dow Global Technologies Llc Multimodal polyethylene compositions
CN119613598A (zh) 2023-09-14 2025-03-14 Dl化学株式会社 聚烯烃聚合物，聚烯烃的聚合系统和聚合方法
WO2025101264A1 (en) 2023-11-09 2025-05-15 Dow Global Technologies Llc Multimodal polyethylene compositions
WO2025128219A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128218A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128217A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128214A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128216A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128220A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL224473A (pt) * 1958-01-16
US3950303A (en) * 1974-03-11 1976-04-13 E. I. Du Pont De Nemours And Company Polyolefin/chromium modified mineral compositions and process for their preparation
US4104243A (en) * 1973-12-14 1978-08-01 E. I. Du Pont De Nemours And Company Method of preparing low viscosity/inorganic filler
US4231919A (en) * 1979-02-26 1980-11-04 Eastman Kodak Company Suspension polymerization of styrene monomers in the presence of carbon black
FR2460964A1 (fr) * 1979-07-06 1981-01-30 Naphtachimie Sa Copolymeres elastomeres d'ethylene et de propylene, leur fabrication et leurs applications
US4482687A (en) * 1979-10-26 1984-11-13 Union Carbide Corporation Preparation of low-density ethylene copolymers in fluid bed reactor
US4583299A (en) * 1984-12-20 1986-04-22 Trw Inc. Fluidization aid for cohesive materials
US4591334A (en) * 1984-06-15 1986-05-27 Trw Inc. Fluidization aid
DE3239272A1 (de) * 1982-10-23 1984-04-26 EC Erdölchemie GmbH, 5000 Köln Verfahren zur herstellung von homo- und copolymerisaten aus 1-olefinen
IL71357A (en) * 1983-03-29 1987-03-31 Union Carbide Corp Process for producing low density ethylene copolymers
US4564647A (en) * 1983-11-14 1986-01-14 Idemitsu Kosan Company Limited Process for the production of polyethylene compositions
US4738828A (en) * 1984-12-20 1988-04-19 Trw Inc. Fluidization aid including low bulk density fluidization aid
WO1988002379A1 (en) * 1986-10-02 1988-04-07 Bp Chemicals Limited Process for polymerizing one or more 1-olefins in the gas phase in the presence of pulverulent inorganic material

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PH26958A (en) 1992-12-28
EP0422452B1 (en) 2000-03-01
FI904765A0 (fi) 1990-09-27
DE69033470T2 (de) 2000-08-10
TR24892A (tr) 1992-07-01
JPH0647606B2 (ja) 1994-06-22
ZA907745B (en) 1991-07-31
MX167157B (es) 1993-03-08

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