CH529797A - Procedimento per la preparazione dei polimeri dell'etilene - Google Patents
Procedimento per la preparazione dei polimeri dell'etileneInfo
- Publication number
- CH529797A CH529797A CH1766970A CH1766970A CH529797A CH 529797 A CH529797 A CH 529797A CH 1766970 A CH1766970 A CH 1766970A CH 1766970 A CH1766970 A CH 1766970A CH 529797 A CH529797 A CH 529797A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- ethylene polymers
- polymers
- ethylene
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
- B01J3/042—Pressure vessels, e.g. autoclaves in the form of a tube
-
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00065—Pressure measurement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2620169 | 1969-12-23 | ||
US9574370A | 1970-12-07 | 1970-12-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH529797A true CH529797A (it) | 1972-10-31 |
Family
ID=26328653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1766970A CH529797A (it) | 1969-12-23 | 1970-11-30 | Procedimento per la preparazione dei polimeri dell'etilene |
Country Status (6)
Country | Link |
---|---|
US (1) | US3714123A (it) |
CH (1) | CH529797A (it) |
DE (1) | DE2063190A1 (it) |
FR (1) | FR2074055A5 (it) |
GB (1) | GB1282237A (it) |
NL (1) | NL7018035A (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3875128A (en) * | 1973-05-04 | 1975-04-01 | Sumitomo Chemical Co | Process and apparatus for producing ethylene polymer |
US4046718A (en) * | 1976-06-17 | 1977-09-06 | The Dow Chemical Company | Polymerization method employing tubular reactor |
DE2722034C2 (de) * | 1977-05-16 | 1984-10-25 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Äthylenpolymerisaten niederer Dichte mit verbesserter Homogenität |
US4332924A (en) * | 1978-07-05 | 1982-06-01 | The Dow Chemical Company | Recirculating polymerization method and apparatus with evaporative cooling |
US5057593A (en) * | 1990-06-11 | 1991-10-15 | E. I. Du Pont De Nemours And Company | Free radical copolymerization of ethylene and CO with acetone |
GB0609974D0 (en) * | 2006-05-19 | 2006-06-28 | Exxonmobil Chem Patents Inc | A process for the production of polyethylene and ethylene copolymers |
US8445606B2 (en) | 2008-12-18 | 2013-05-21 | Exxonmobil Chemical Patents Inc. | High pressure polymerization process |
US20120240960A1 (en) | 2009-12-22 | 2012-09-27 | Philip Henri Cornelissen | Separation Vessels For Use In Polymerization Processes And Methods For Cleaning Same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA573362A (en) * | 1959-03-31 | E. Guillet James | High density polyethylene by high pressure polymerization with small amounts of aldehydes | |
US2852501A (en) * | 1954-10-05 | 1958-09-16 | Monsanto Chemicals | Polymerization of ethylene |
BE607527A (it) * | 1960-08-29 | 1900-01-01 | ||
NL281221A (it) * | 1961-07-21 | |||
US3294773A (en) * | 1965-08-12 | 1966-12-27 | Halcon International Inc | Control scheme for polyethylene reactor |
-
1970
- 1970-11-30 CH CH1766970A patent/CH529797A/it not_active IP Right Cessation
- 1970-12-07 US US00095743A patent/US3714123A/en not_active Expired - Lifetime
- 1970-12-07 GB GB58106/70A patent/GB1282237A/en not_active Expired
- 1970-12-10 NL NL7018035A patent/NL7018035A/xx unknown
- 1970-12-21 FR FR7045947A patent/FR2074055A5/fr not_active Expired
- 1970-12-22 DE DE19702063190 patent/DE2063190A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3714123A (en) | 1973-01-30 |
GB1282237A (en) | 1972-07-19 |
NL7018035A (it) | 1971-06-25 |
FR2074055A5 (it) | 1971-10-01 |
DE2063190A1 (de) | 1971-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |