[go: up one dir, main page]

IT202200014113A1 - HIGH PRESSURE POLYMERIZATION PROCESS FOR PRODUCING POLYETHYLENE AND ITS LOW DENSITY COPOLYMERS. - Google Patents

HIGH PRESSURE POLYMERIZATION PROCESS FOR PRODUCING POLYETHYLENE AND ITS LOW DENSITY COPOLYMERS. Download PDF

Info

Publication number
IT202200014113A1
IT202200014113A1 IT102022000014113A IT202200014113A IT202200014113A1 IT 202200014113 A1 IT202200014113 A1 IT 202200014113A1 IT 102022000014113 A IT102022000014113 A IT 102022000014113A IT 202200014113 A IT202200014113 A IT 202200014113A IT 202200014113 A1 IT202200014113 A1 IT 202200014113A1
Authority
IT
Italy
Prior art keywords
high pressure
low density
polymerization process
pressure polymerization
producing polyethylene
Prior art date
Application number
IT102022000014113A
Other languages
Italian (it)
Inventor
Emanuele Barni
Original Assignee
Versalis Spa
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
Application filed by Versalis Spa filed Critical Versalis Spa
Priority to IT102022000014113A priority Critical patent/IT202200014113A1/en
Priority to TW112124065A priority patent/TW202409100A/en
Priority to CN202380052030.4A priority patent/CN119546387A/en
Priority to PCT/IB2023/056881 priority patent/WO2024009202A1/en
Publication of IT202200014113A1 publication Critical patent/IT202200014113A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • B01J19/0013Controlling the temperature of the process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04Pressure vessels, e.g. autoclaves
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2400/00Characteristics for processes of polymerization
    • C08F2400/04High pressure, i.e. P > 50 MPa, 500 bars or 7250 psi

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
IT102022000014113A 2022-07-04 2022-07-04 HIGH PRESSURE POLYMERIZATION PROCESS FOR PRODUCING POLYETHYLENE AND ITS LOW DENSITY COPOLYMERS. IT202200014113A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT102022000014113A IT202200014113A1 (en) 2022-07-04 2022-07-04 HIGH PRESSURE POLYMERIZATION PROCESS FOR PRODUCING POLYETHYLENE AND ITS LOW DENSITY COPOLYMERS.
TW112124065A TW202409100A (en) 2022-07-04 2023-06-28 High pressure polymerization process to produce low density polyethylene and copolymers thereof
CN202380052030.4A CN119546387A (en) 2022-07-04 2023-07-03 High pressure polymerization process for producing low density polyethylene and its copolymers
PCT/IB2023/056881 WO2024009202A1 (en) 2022-07-04 2023-07-03 High pressure polymerization process to produce low density polyethylene and copolymers thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000014113A IT202200014113A1 (en) 2022-07-04 2022-07-04 HIGH PRESSURE POLYMERIZATION PROCESS FOR PRODUCING POLYETHYLENE AND ITS LOW DENSITY COPOLYMERS.

Publications (1)

Publication Number Publication Date
IT202200014113A1 true IT202200014113A1 (en) 2024-01-04

Family

ID=83271537

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000014113A IT202200014113A1 (en) 2022-07-04 2022-07-04 HIGH PRESSURE POLYMERIZATION PROCESS FOR PRODUCING POLYETHYLENE AND ITS LOW DENSITY COPOLYMERS.

Country Status (4)

Country Link
CN (1) CN119546387A (en)
IT (1) IT202200014113A1 (en)
TW (1) TW202409100A (en)
WO (1) WO2024009202A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1540894A (en) 1975-06-03 1979-02-21 Charbonnages Ste Chimique Process for the homopolymerisation and copolymerisation of ethylene and a gas injection device for use therein
WO2010071653A1 (en) * 2008-12-18 2010-06-24 Exxonmobil Chemical Patents Inc. High pressure polymerization process
US7837950B2 (en) 2006-05-19 2010-11-23 Exxonmobil Chemical Patents Inc. Apparatus for the production of polyethylene and ethylene copolymers
US8048971B2 (en) 2006-05-19 2011-11-01 Exxonmobil Chemical Patents Inc. Process for the production of polyethylene and ethylene copolymers
US20130171029A1 (en) 2010-03-12 2013-07-04 Paul Jan Clymans Polyethylene Manufacturing System and Method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1540894A (en) 1975-06-03 1979-02-21 Charbonnages Ste Chimique Process for the homopolymerisation and copolymerisation of ethylene and a gas injection device for use therein
US7837950B2 (en) 2006-05-19 2010-11-23 Exxonmobil Chemical Patents Inc. Apparatus for the production of polyethylene and ethylene copolymers
US8048971B2 (en) 2006-05-19 2011-11-01 Exxonmobil Chemical Patents Inc. Process for the production of polyethylene and ethylene copolymers
WO2010071653A1 (en) * 2008-12-18 2010-06-24 Exxonmobil Chemical Patents Inc. High pressure polymerization process
US20130171029A1 (en) 2010-03-12 2013-07-04 Paul Jan Clymans Polyethylene Manufacturing System and Method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
V. A. TSYMARNY: "THERMODYNAMIC PROPERTIES OF ETHYLENE", 1987, article "National Standard Reference Data Service of the USSR", pages: 43 - 49

Also Published As

Publication number Publication date
CN119546387A (en) 2025-02-28
WO2024009202A1 (en) 2024-01-11
TW202409100A (en) 2024-03-01

Similar Documents

Publication Publication Date Title
US7427649B2 (en) Polyethylene blow molding composition for producing small containers
DK2464675T3 (en) USE OF bimodal POLYETHYLENE FOR INJECTION MOLDING BLOWER DRIVE APPLICATIONS
AR052992A1 (en) COMPOSITIONS OF POLYETHYLENE WITH FUSION FORCE RELATIVELY HIGH OF MODIFIED REOLOGY AND METHODS FOR THE MANUFACTURE OF PIPES, FILMS, SHEETS AND MOLDED ITEMS BY BLOWING
IT202200014113A1 (en) HIGH PRESSURE POLYMERIZATION PROCESS FOR PRODUCING POLYETHYLENE AND ITS LOW DENSITY COPOLYMERS.
EA200802331A1 (en) Method of producing polyethylene and ethylene copolymers
RU2005123321A (en) POLYETHYLENE COMPOSITION FOR MANUFACTURE OF KegS WITH TWO DRAINAGE HOLES
De Micco et al. Randomizing nonlinear maps via symbolic dynamics
DE602006020296D1 (en) MULTIMODAL POLYETHYLENE MOLD FOR THE MANUFACTURE OF PIPES WITH IMPROVED MECHANICAL PROPERTIES
DE602004011848D1 (en) Polymerization of halogenated monomers in the presence of a siloxane surfactant
JP2010520936A5 (en)
JP2009533491A5 (en)
CN110087790B (en) Method for molding metal plate, method for designing intermediate shape, mold for molding metal plate, computer program, and recording medium
CN104981331A (en) Method for blow molding a hot-fill container with increased stretch ratios
EA015322B1 (en) Polypmer composition for production of pipes
EP4001354A4 (en) METHOD FOR PRODUCING A RECYCLED SUPERABSORBENT POLYMER, METHOD FOR PRODUCING A SUPERABSORBENT POLYMER USING RECYCLED SUPERABSORBENT POLYMER, AND RECYCLED SUPERABSORBENT POLYMER
JP2013520334A (en) Injection stretch blow molding method
TW202246672A (en) Wave spring unit
WO2020184712A1 (en) Stretch flange crack evaluation method, metal sheet selection method, press die design method, component shape design method, and pressed component manufacturing method
WO2008008829A3 (en) Bimodal blow molding resin and products made therefrom
Štaffová et al. Biaxial porosity gradient and cell size adjustment improve energy absorption in rigid and flexible 3D-printed reentrant honeycomb auxetic structures
CN103295227A (en) Circle detection method based on gradient direction segmentation
Bae et al. Design and analysis of ultrasonic horn for polymer sheet forming
WO2015157563A1 (en) Solid-state stretched hdpe
BR112022008399A2 (en) LINEAR HIGH DENSITY POLYETHYLENE WITH HIGH ROBUSTNESS AND HIGH SCREENING
EA200802093A1 (en) METHOD OF IMPLEMENTATION OF TRANSITION FROM ONE POLYMER GRADE TO OTHER