SG11201705576YA - Methods for gel reduction in polyolefins - Google Patents

Methods for gel reduction in polyolefins

Info

Publication number
SG11201705576YA
SG11201705576YA SG11201705576YA SG11201705576YA SG11201705576YA SG 11201705576Y A SG11201705576Y A SG 11201705576YA SG 11201705576Y A SG11201705576Y A SG 11201705576YA SG 11201705576Y A SG11201705576Y A SG 11201705576YA SG 11201705576Y A SG11201705576Y A SG 11201705576YA
Authority
SG
Singapore
Prior art keywords
polyolefins
methods
gel reduction
gel
reduction
Prior art date
Application number
SG11201705576YA
Inventor
Daudi A Abe
Brandon C Locklear
Yuet Meng Chu
T R Veariel
Original Assignee
Univation Tech Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55361949&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG11201705576Y(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Univation Tech Llc filed Critical Univation Tech Llc
Publication of SG11201705576YA publication Critical patent/SG11201705576YA/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/69—Filters or screens for the moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92047—Energy, power, electric current or voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92219—Degree of crosslinking, solidification, crystallinity or homogeneity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92542—Energy, power, electric current or voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92695—Viscosity; Melt flow index [MFI]; Molecular weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92714—Degree of crosslinking, solidification, crystallinity or homogeneity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2552—Flow control means, e.g. valves provided in the feeding, melting, plasticising or pumping zone, e.g. screw, barrel, gear-pump or ram
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08L23/06—Polyethene
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
SG11201705576YA 2015-01-21 2016-01-20 Methods for gel reduction in polyolefins SG11201705576YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562105915P 2015-01-21 2015-01-21
PCT/US2016/014027 WO2016118566A1 (en) 2015-01-21 2016-01-20 Methods for gel reduction in polyolefins

Publications (1)

Publication Number Publication Date
SG11201705576YA true SG11201705576YA (en) 2017-08-30

Family

ID=55361949

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201705576YA SG11201705576YA (en) 2015-01-21 2016-01-20 Methods for gel reduction in polyolefins

Country Status (6)

Country Link
US (1) US10682797B2 (en)
EP (1) EP3247547B1 (en)
CN (1) CN107107433B (en)
CA (1) CA2974122C (en)
SG (1) SG11201705576YA (en)
WO (1) WO2016118566A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT3406666T (en) 2017-09-22 2020-12-28 Total Research & Technology Feluy Process to improve quality of non-homogeneous recycled polyethylene by blending with virgin polyethylene and article made from these blends
EP4286126A1 (en) * 2021-01-26 2023-12-06 Kaneka Corporation Method for producing polypropylene-based resin having branched structure, method for producing extrusion-foamed particles, and method for producing foamed molded article

Family Cites Families (145)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US546872A (en) 1895-09-24 Governor
US4376851A (en) 1953-01-27 1983-03-15 Phillips Petroleum Company Solid polymers of olefins and production of such polymers
US3248455A (en) 1963-08-14 1966-04-26 Us Rubber Co Method of recovering resinous polymer from latex
US3242099A (en) 1964-03-27 1966-03-22 Union Carbide Corp Olefin polymerization catalysts
US3231550A (en) 1964-06-04 1966-01-25 Union Carbide Corp Olefin polymerization
US3709954A (en) 1970-03-16 1973-01-09 Union Carbide Corp Preparation of liquid polymers of olefins
US4003712A (en) 1970-07-29 1977-01-18 Union Carbide Corporation Fluidized bed reactor
US3709853A (en) 1971-04-29 1973-01-09 Union Carbide Corp Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts
US4115639A (en) 1971-06-24 1978-09-19 Union Carbide Corporation Ethylene polymerization with ether modified catalyst
US4155880A (en) 1971-11-24 1979-05-22 The Goodyear Tire & Rubber Company Catalyst composition comprising an organoaluminum compound/an organonickel compound/a hydrogen fluoride complex compound
US4102817A (en) 1973-07-18 1978-07-25 The Goodyear Tire & Rubber Company Catalyst composition for the preparation of butadiene
US4011382A (en) 1975-03-10 1977-03-08 Union Carbide Corporation Preparation of low and medium density ethylene polymer in fluid bed reactor
US4077904A (en) 1976-06-29 1978-03-07 Union Carbide Corporation Olefin polymerization process and catalyst therefor
DE2731067C3 (en) 1977-07-09 1981-11-26 Bunawerke Hüls GmbH, 4370 Marl Process for the preparation of polybutadiene with a high content of monomer units in a cis-1,4 structure
US4302566A (en) 1978-03-31 1981-11-24 Union Carbide Corporation Preparation of ethylene copolymers in fluid bed reactor
US4302565A (en) 1978-03-31 1981-11-24 Union Carbide Corporation Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization
US4482687A (en) 1979-10-26 1984-11-13 Union Carbide Corporation Preparation of low-density ethylene copolymers in fluid bed reactor
US4376062A (en) 1979-11-28 1983-03-08 Union Carbide Corporation Spheroidal polymerization catalyst, process for preparing, and use for ethylene polymerization
US4379758A (en) 1980-12-24 1983-04-12 Union Carbide Corporation Catalyst composition for polymerizing ethylene
CA1219994A (en) 1981-12-24 1987-03-31 Nobunori Maehara Process for producing polybutadiene rubber with enhanced mechanical strength
US4588790A (en) 1982-03-24 1986-05-13 Union Carbide Corporation Method for fluidized bed polymerization
US4543399A (en) 1982-03-24 1985-09-24 Union Carbide Corporation Fluidized bed reaction systems
DE3366573D1 (en) 1982-06-24 1986-11-06 Bp Chimie Sa Process for the polymerization and copolymerization of alpha-olefins in a fluidized bed
JPS5920308A (en) 1982-07-26 1984-02-02 Toyo Sutoufuaa Chem:Kk Production of catalyst component for alpha-olefin polymerization
JPS5920307A (en) 1982-07-26 1984-02-02 Toyo Sutoufuaa Chem:Kk Production of catalyst component for alpha-olefin polymerization
US4988783A (en) 1983-03-29 1991-01-29 Union Carbide Chemicals And Plastics Company Inc. Ethylene polymerization using supported vanadium catalyst
FR2555182B1 (en) 1983-11-23 1986-11-07 Bp Chimie Sa PROCESS FOR THE PREPARATION OF A SUPPORTED CATALYST FOR THE COPOLYMERIZATION OF ETHYLENE WITH SUPERIOR ALPHA-OLEFINS
JPS61189522U (en) 1985-05-17 1986-11-26
US4808561A (en) 1985-06-21 1989-02-28 Exxon Chemical Patents Inc. Supported polymerization catalyst
FR2586022B1 (en) 1985-08-06 1987-11-13 Bp Chimie Sa POLYMERIZATION OF OLEFINS IN THE GASEOUS PHASE WITH A ZIEGLER-NATTA CATALYST AND TWO ORGANOMETALLIC COMPOUNDS
US4701432A (en) 1985-11-15 1987-10-20 Exxon Chemical Patents Inc. Supported polymerization catalyst
USRE33683E (en) 1986-01-24 1991-09-03 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins
US4732882A (en) 1986-01-24 1988-03-22 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins
EP0279863B1 (en) 1986-08-26 1992-10-14 Mitsui Petrochemical Industries, Ltd. Catalyst for polymerizing alpha-olefin and polymerization process
KR910008277B1 (en) 1986-12-03 1991-10-12 미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤 Solid catalyst olefin polymerization and process its preparation
JP2618384B2 (en) 1986-12-27 1997-06-11 三井石油化学工業株式会社 Solid catalyst for olefin polymerization and its preparation
FR2609036B1 (en) 1986-12-29 1989-04-14 Bp Chimie Sa POLYMERIZATION OR COPOLYMERIZATION OF ETHYLENE IN THE GASEOUS PHASE IN THE PRESENCE OF A PREPOLYMER COMPRISING A CHROMIUM OXIDE CATALYST
US4794096A (en) 1987-04-03 1988-12-27 Fina Technology, Inc. Hafnium metallocene catalyst for the polymerization of olefins
US5093415A (en) 1987-05-19 1992-03-03 Union Carbide Chemicals & Plastics Technology Corporation Process for producing stereoregular polymers having a narrow molecular weight distribution
FR2618786B1 (en) 1987-07-31 1989-12-01 Bp Chimie Sa PROCESS FOR THE POLYMERIZATION OF GASEOUS OLEFINS IN A FLUIDIZED BED REACTOR
US4937217A (en) 1987-12-17 1990-06-26 Exxon Chemical Patents Inc. Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
US4912075A (en) 1987-12-17 1990-03-27 Exxon Chemical Patents Inc. Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization
US4925821A (en) 1987-12-17 1990-05-15 Exxon Chemical Patents Inc. Method for utilizing triethyaluminum to prepare an alumoxane support for an active metallocene catalyst
FR2628110B1 (en) 1988-03-03 1994-03-25 Bp Chimie CATALYST FOR POLYMERIZATION OF ZIEGLER-NATTA-TYPE OLEFINS, SUPPORTED ON SPHERICAL MAGNESIUM CHLORIDE PARTICLES, AND PROCESS FOR PREPARING THE SAME
US5008228A (en) 1988-03-29 1991-04-16 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
US6265338B1 (en) 1989-09-13 2001-07-24 Exxon Chemical Patents, Inc. Monocyclopentadienyl titanium metal compounds for ethylene-α-olefin copolymer production catalysts
US5304588A (en) 1989-09-28 1994-04-19 Union Carbide Chemicals & Plastics Technology Corporation Core-shell resin particle
US4994534A (en) 1989-09-28 1991-02-19 Union Carbide Chemicals And Plastics Company Inc. Process for producing sticky polymers
US5036034A (en) 1989-10-10 1991-07-30 Fina Technology, Inc. Catalyst for producing hemiisotactic polypropylene
FR2660926B1 (en) 1990-04-11 1992-07-31 Bp Chemicals Snc ALPHA-OLEFIN PREPOLYMER CONTAINING A TRANSITIONAL METAL AND PROCESS FOR THE POLYMERIZATION OF ALPHA-OLEFIN IN THE GAS PHASE USING THE PREPOLYMER.
US5466766A (en) 1991-05-09 1995-11-14 Phillips Petroleum Company Metallocenes and processes therefor and therewith
US5278272A (en) 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
US5939348A (en) 1991-11-06 1999-08-17 Mobil Oil Corporation Catalyst for the manufacture of polythylene with a narrow molecular weight distribution
US5436304A (en) 1992-03-19 1995-07-25 Exxon Chemical Patents Inc. Process for polymerizing monomers in fluidized beds
US5352749A (en) 1992-03-19 1994-10-04 Exxon Chemical Patents, Inc. Process for polymerizing monomers in fluidized beds
US5288933A (en) 1992-04-16 1994-02-22 Union Carbide Chemicals & Plastics Technology Corporation Process for the production of polyethylene
US5240894A (en) 1992-05-18 1993-08-31 Exxon Chemical Patents Inc. Method for making and using a supported metallocene catalyst system
US5238892A (en) 1992-06-15 1993-08-24 Exxon Chemical Patents Inc. Supported catalyst for 1-olefin(s) (co)polymerization
US5290745A (en) 1992-08-10 1994-03-01 Union Carbide Chemicals & Plastics Technology Corporation Process for producing ethylene polymers having reduced hexane extractable content
US5317036A (en) 1992-10-16 1994-05-31 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization reactions utilizing soluble unsupported catalysts
DE69307472T2 (en) 1992-11-10 1997-05-15 Mitsubishi Chem Corp Process for the preparation of alpha-olefin polymers
US5332706A (en) 1992-12-28 1994-07-26 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
US5849231A (en) 1993-03-29 1998-12-15 General Electric Company Melt extrusion process
US5462999A (en) 1993-04-26 1995-10-31 Exxon Chemical Patents Inc. Process for polymerizing monomers in fluidized beds
ZA943399B (en) 1993-05-20 1995-11-17 Bp Chem Int Ltd Polymerisation process
CA2127822A1 (en) 1993-07-13 1995-01-14 Yoshinori Morita Process for gas phase polymerization of olefin
FR2707651B1 (en) 1993-07-13 1995-08-25 Bp Chemicals Snc Process for increasing the activity of a Ziegler-Natta type catalyst.
US5543102A (en) * 1993-07-22 1996-08-06 General Electric Company Melt extrusion process
US5459117A (en) 1993-08-27 1995-10-17 Ewen; John A. Doubly-conformationally locked, stereorigid catalysts for the preparation of tactiospecific polymers
US5422325A (en) 1993-09-17 1995-06-06 Exxon Chemical Patents Inc. Supported polymerization catalysts, their production and use
US5466649A (en) 1993-10-15 1995-11-14 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
US5518973A (en) 1993-10-15 1996-05-21 Exxon Chemical Patents Inc. Titanium trichloride catalyst system for polymerizing olefins
EP0649992B1 (en) 1993-10-23 1997-07-30 WABCO GmbH Disc brake actuator
WO1995014044A1 (en) 1993-11-19 1995-05-26 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
FI95276C (en) 1993-12-03 1996-01-10 Borealis As Catalyst for polymerization of olefins and process for their preparation
WO1995021874A1 (en) 1994-02-11 1995-08-17 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
IT1269931B (en) 1994-03-29 1997-04-16 Spherilene Srl COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINE
US5629253A (en) 1994-04-26 1997-05-13 Exxon Chemical Patents, Inc. Polymerization catalyst systems, their production and use
IT1269837B (en) 1994-05-26 1997-04-15 Spherilene Srl COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS
DE59503827D1 (en) 1994-06-03 1998-11-12 Pcd Polymere Ag Catalyst supports, supported metallocene catalysts and their use for the production of polyolefins
US5468702A (en) 1994-07-07 1995-11-21 Exxon Chemical Patents Inc. Method for making a catalyst system
US5643847A (en) 1994-08-03 1997-07-01 Exxon Chemical Patents Inc. Supported ionic catalyst composition
GB9417211D0 (en) 1994-08-25 1994-10-12 Solicitor For The Affairs Of H Nucleotide sequencing method
US5525678A (en) 1994-09-22 1996-06-11 Mobil Oil Corporation Process for controlling the MWD of a broad/bimodal resin produced in a single reactor
KR100368194B1 (en) 1994-10-13 2003-04-03 니혼폴리올레핀 가부시키가이샤 A catalyst component for producing polyolefin, a catalyst for producing polyolefin containing the catalyst component, and a method for producing polyolefin in the presence of the catalyst
US5529965A (en) 1994-10-28 1996-06-25 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
US5625015A (en) 1994-11-23 1997-04-29 Exxon Chemical Patents Inc. Method for making supported catalyst systems and catalyst systems therefrom
US5714424A (en) 1995-01-09 1998-02-03 W. R. Grace & Co.-Conn. Multi-component polyolefin catalysts
IT1274253B (en) 1995-02-21 1997-07-15 Himont Inc PROCESS FOR THE PREPARATION OF SOLID CATALYTIC COMPONENTS FOR THE POLYMERIZATION OF OLEFINE
US5705578A (en) 1995-05-04 1998-01-06 Phillips Petroleum Company Method for making and using a supported metallocene catalyst system
IT1275412B (en) 1995-06-01 1997-08-05 Enichem Spa PROCEDURE FOR THE PREPARATION OF MIXED POROUS SILICA-ALUMINUM OXIDES IN SPHERICAL FORM
JPH11508932A (en) 1995-07-06 1999-08-03 エクソン・ケミカル・パテンツ・インク Method for producing a prepolymerized and supported metallocene catalyst system
US5677375A (en) 1995-07-21 1997-10-14 Union Carbide Chemicals & Plastics Technology Corporation Process for producing an in situ polyethylene blend
JP3582181B2 (en) 1995-10-04 2004-10-27 住友化学工業株式会社 Carrier for olefin polymerization catalyst, olefin polymerization catalyst and method for producing olefin polymer
WO1997022639A1 (en) 1995-12-19 1997-06-26 Exxon Chemical Patents Inc. High temperature solution polymerization process
US6090740A (en) 1996-02-08 2000-07-18 Exxon Chemical Patents Inc. Supported metallocene catalyst systems
US5665818A (en) 1996-03-05 1997-09-09 Union Carbide Chemicals & Plastics Technology Corporation High activity staged reactor process
US5627242A (en) 1996-03-28 1997-05-06 Union Carbide Chemicals & Plastics Technology Corporation Process for controlling gas phase fluidized bed polymerization reactor
IT1283010B1 (en) 1996-05-15 1998-04-03 Enichem Spa SUPPORTED METALLOCENE COMPLEX AND PROCEDURE FOR ITS PREPARATION
IL127069A0 (en) 1996-05-17 1999-09-22 Dow Chemical Co Polyolefin composition with molecular weight maximum occuring in that part of the composition that has the highest comonomer content
US5723402A (en) 1996-05-30 1998-03-03 Pq Corporation Silicas with specific contents of cations as supports for olefin polymerization catalysts
US5728335A (en) * 1996-06-26 1998-03-17 Union Carbide Chemicals & Plastics Technology Corporation Process for extrusion
US6454976B1 (en) * 1996-06-26 2002-09-24 Union Carbide Chemicals & Plastics Technology Corporation Pelletizing of broad molecular weight polyethylene
US6485662B1 (en) * 1996-12-03 2002-11-26 Union Carbide Chemicals & Plastics Technology Corporation Process for preparing a simulated in situ polyethylene blend
US5730885A (en) 1996-12-03 1998-03-24 Union Carbide Chemicals & Plastics Technology Corporation Screen packs for reducing gels in polypropylene copolymers
TW420693B (en) 1997-04-25 2001-02-01 Mitsui Chemicals Inc Olefin polymerization catalysts, transition metal compounds, and <alpha>-olefin/conjugated diene copolymers
US5972510A (en) 1997-06-05 1999-10-26 Isis Innovation Limited Spherulite particles of isotactic polypropylene
US6069213A (en) 1997-12-16 2000-05-30 Union Carbide Chemicals & Plastics Technology Corporation Mixed catalyst system
WO1999047598A1 (en) 1998-03-16 1999-09-23 The Dow Chemical Company Polyolefin nanocomposites
BR9909200A (en) 1998-03-26 2000-11-14 Chemical Company Aerogels of aluminum-magnesium silicate or fluorinated magnesium subjected to ion exchange and catalyst supports produced from them
DE69935137T2 (en) 1998-03-27 2007-11-22 Exxonmobil Chemical Patents Inc., Baytown POLYMER CARRIER CATALYSTS FOR OLEFIN POLYMERIZATION
WO1999051649A1 (en) 1998-04-06 1999-10-14 Borealis Technology Oy High density polyethylene compositions, a process for the production thereof and films prepared thereof
US6894131B2 (en) 1998-08-21 2005-05-17 Univation Technologies, Llc Polymerization process using a metallocene catalyst system
US6271325B1 (en) 1999-05-17 2001-08-07 Univation Technologies, Llc Method of polymerization
KR100553288B1 (en) 1999-10-22 2006-02-22 유니베이션 테크놀로지즈, 엘엘씨 Catalyst Compositions, Methods of Polymerization, and Polymers Therefrom
BR0015241B1 (en) 1999-10-22 2010-10-05 process for polymerization of olefin (s) in the presence of a catalyst system, catalyst systems and use of a catalyst compound.
US6300438B1 (en) 1999-10-22 2001-10-09 Univation Technolgies, Llc Hafnium transition metal catalyst compounds, catalyst systems and their use in a polymerization process
US6417304B1 (en) 1999-11-18 2002-07-09 Univation Technologies, Llc Method of polymerization and polymer produced therefrom
US6489408B2 (en) 2000-11-30 2002-12-03 Univation Technologies, Llc Polymerization process
US6964937B2 (en) 2000-11-30 2005-11-15 Univation Technologies, Llc Bimetallic catalyst for producing polyethylene resins with bimodal molecular weight distribution, its preparation and use
PL363217A1 (en) 2000-12-04 2004-11-15 Univaton Technologies, Llc Polimerization process
US6518444B1 (en) 2000-12-18 2003-02-11 Univation Technologies, Llc Preparation of polymerization catalysts
US6933258B2 (en) 2000-12-19 2005-08-23 Univation Technologies, L.L.C. Catalyst composition and methods for its preparation and use in a polymerization process
US6936675B2 (en) 2001-07-19 2005-08-30 Univation Technologies, Llc High tear films from hafnocene catalyzed polyethylenes
CA2466612A1 (en) 2001-11-30 2003-06-12 Exxonmobil Chemical Patents Inc. Bimetallic catalysts with higher activity
US6884748B2 (en) 2002-09-04 2005-04-26 Univation Technologies, Llc Process for producing fluorinated catalysts
US7354979B2 (en) 2002-09-20 2008-04-08 Exxonmobil Chemical Patents Inc. Polymer production at supercritical conditions
WO2004045679A1 (en) 2002-11-21 2004-06-03 Kowa Co., Ltd. Peritoneal dialysis method
TW200504093A (en) * 2003-05-12 2005-02-01 Dow Global Technologies Inc Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom
US6958306B2 (en) 2003-08-28 2005-10-25 Univation Technologies, Llc Activated catalyst systems from substituted dialuminoxane complexes
US20050137364A1 (en) 2003-12-23 2005-06-23 Univation Technologies, Llc Condensing mode operation of gas-phase polymerization reactor
US7741417B2 (en) 2004-01-07 2010-06-22 Exxonmobil Chemical Patents Inc. Preparation of polymerization catalyst activators utilizing indole-modified silica supports
EP1600276B1 (en) * 2004-05-24 2008-07-30 Borealis Technology Oy Use of a counter-rotating twin screw extruder for compounding multimodal polymer compositions
US7157531B2 (en) 2004-06-21 2007-01-02 Univation Technologies, Llc Methods for producing polymers with control over composition distribution
WO2006019494A1 (en) 2004-07-14 2006-02-23 Exxonmobil Chemical Patents Inc. Polymer production at supercritical conditions
US7169864B2 (en) 2004-12-01 2007-01-30 Novolen Technology Holdings, C.V. Metallocene catalysts, their synthesis and their use for the polymerization of olefins
AU2005334397B2 (en) 2005-07-12 2009-08-20 Borealis Technology Oy Counter-rotating twin screw extruder
US7393916B2 (en) * 2005-11-01 2008-07-01 Univation Technologies, Llc Method of reducing gels in polyolefins
US20090045544A1 (en) * 2007-08-14 2009-02-19 General Electric Company Method for manufacturing ultra-thin polymeric films
JP2012504641A (en) 2008-10-03 2012-02-23 ユニベーション・テクノロジーズ・エルエルシー Catalyst composition and method for producing and using the same
DE102009040047A1 (en) * 2009-09-04 2011-03-17 Bayer Materialscience Ag Process for incorporating solids into polymers
US20120205832A1 (en) * 2011-02-15 2012-08-16 Waseem Rahim Polyolefin manufacturing process
US9289935B2 (en) * 2011-05-10 2016-03-22 Basell Polyolefine Gmbh Process for homogenizing and pelletizing a polyethylene composition
US20140224749A1 (en) * 2013-02-12 2014-08-14 Sam Arthur Hopkins Filter Mesh Assembly for a Plastic Extruder Filter Assembly
CA2974392C (en) * 2015-01-21 2023-10-17 Univation Technologies, Llc Methods for controlling polymer chain scission

Also Published As

Publication number Publication date
CN107107433B (en) 2019-09-13
CA2974122C (en) 2023-09-19
EP3247547A1 (en) 2017-11-29
CN107107433A (en) 2017-08-29
US20180001533A1 (en) 2018-01-04
CA2974122A1 (en) 2016-07-28
US10682797B2 (en) 2020-06-16
WO2016118566A1 (en) 2016-07-28
EP3247547B1 (en) 2023-03-22

Similar Documents

Publication Publication Date Title
ZA201804070B (en) Eif4-a-inhibiting compounds and methods related thereto
IL258931A (en) Therapeutic compounds and methods
FI3215147T3 (en) Neuro-attenuating norketamine compounds and methods
RS61976B1 (en) Methods and compositions for dna profiling
GB201506303D0 (en) Battery modules and methods for their manufacture
PT3099946T (en) Connecting means and method for connecting two parts
IL259992B (en) Compounds for use in methods for treating hyperalgesia
HK1255101A1 (en) Methods for obtaining regulatory t cells and uses thereof
GB2538731B (en) Methods
IL246607A0 (en) Improved cell compositions and methods for cancer therapy
GB201518762D0 (en) Methods
EP3107996A4 (en) Tscm cells and methods for use
HK1243342A1 (en) Compounds and methods
GB201508927D0 (en) Methods
GB201719541D0 (en) Cell Lines
GB201515655D0 (en) Methods
GB2538273B (en) Step-bolt adaptor
SG11201705576YA (en) Methods for gel reduction in polyolefins
GB201523035D0 (en) In terferometry
IL261286A (en) Connector suitable for use in jewlery
GB201512609D0 (en) Methods
GB201411393D0 (en) Agents and methods for determining colorectal cancer status
ZA201705645B (en) Methods and compositions for dna profiling
GB201521339D0 (en) Methods
GB201510756D0 (en) Methods