IT1174473B - PROCEDURE FOR THE PRODUCTION OF LOW DENSITY POLYETELENE - Google Patents
PROCEDURE FOR THE PRODUCTION OF LOW DENSITY POLYETELENEInfo
- Publication number
- IT1174473B IT1174473B IT19200/84A IT1920084A IT1174473B IT 1174473 B IT1174473 B IT 1174473B IT 19200/84 A IT19200/84 A IT 19200/84A IT 1920084 A IT1920084 A IT 1920084A IT 1174473 B IT1174473 B IT 1174473B
- Authority
- IT
- Italy
- Prior art keywords
- polyetelene
- procedure
- production
- low density
- density
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B01J19/243—Tubular reactors spirally, concentrically or zigzag wound
-
- 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
- C08F6/00—Post-polymerisation treatments
- C08F6/26—Treatment of polymers prepared in bulk also solid polymers or polymer melts
- C08F6/28—Purification
-
- 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
- B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
-
- 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
- B01J2219/00162—Controlling or regulating processes controlling the pressure
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US46375483A | 1983-02-04 | 1983-02-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8419200A0 IT8419200A0 (en) | 1984-01-17 |
IT1174473B true IT1174473B (en) | 1987-07-01 |
Family
ID=23841243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19200/84A IT1174473B (en) | 1983-02-04 | 1984-01-17 | PROCEDURE FOR THE PRODUCTION OF LOW DENSITY POLYETELENE |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS59145209A (en) |
CA (1) | CA1221197A (en) |
DE (1) | DE3401614A1 (en) |
FR (1) | FR2540502A1 (en) |
GB (1) | GB2134121B (en) |
IT (1) | IT1174473B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5571877A (en) * | 1986-04-17 | 1996-11-05 | Enichem Base S.P.A. | Method of preparing low or medium-density straight-chain polyethylene, and catalysts suitable for this purpose |
CN1123582C (en) | 1996-05-24 | 2003-10-08 | 英国石油化学品有限公司 | Process for polymerizing olefins |
FR2749016B1 (en) * | 1996-05-24 | 1998-07-03 | Bp Chemicals Snc | OLEFIN (S) POLYMERIZATION PROCESS |
KR100481569B1 (en) * | 1996-05-24 | 2005-05-16 | 비피 케미칼즈 리미티드 | Process for polymerizing olefins |
GB0522706D0 (en) * | 2005-11-07 | 2005-12-14 | Exxonmobil Chem Patents Inc | An apparatus and method for the production of polyethylene and ethylene compolyers |
GB0609974D0 (en) * | 2006-05-19 | 2006-06-28 | Exxonmobil Chem Patents Inc | A process for the production of polyethylene and ethylene copolymers |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5968310A (en) * | 1982-10-14 | 1984-04-18 | Asahi Chem Ind Co Ltd | Production of ethylene polymer |
-
1983
- 1983-11-07 CA CA000440535A patent/CA1221197A/en not_active Expired
- 1983-12-14 FR FR8320009A patent/FR2540502A1/en active Pending
-
1984
- 1984-01-03 GB GB08400034A patent/GB2134121B/en not_active Expired
- 1984-01-17 IT IT19200/84A patent/IT1174473B/en active
- 1984-01-18 JP JP59005858A patent/JPS59145209A/en active Pending
- 1984-01-18 DE DE19843401614 patent/DE3401614A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2134121A (en) | 1984-08-08 |
JPS59145209A (en) | 1984-08-20 |
FR2540502A1 (en) | 1984-08-10 |
GB2134121B (en) | 1986-02-05 |
GB8400034D0 (en) | 1984-02-08 |
IT8419200A0 (en) | 1984-01-17 |
DE3401614A1 (en) | 1984-08-09 |
CA1221197A (en) | 1987-04-28 |
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