BE768827A - Procede de fabrication a haute pression de polyethylene ayant de bonnesperformances optiques - Google Patents
Procede de fabrication a haute pression de polyethylene ayant de bonnesperformances optiquesInfo
- Publication number
- BE768827A BE768827A BE768827A BE768827A BE768827A BE 768827 A BE768827 A BE 768827A BE 768827 A BE768827 A BE 768827A BE 768827 A BE768827 A BE 768827A BE 768827 A BE768827 A BE 768827A
- Authority
- BE
- Belgium
- Prior art keywords
- polyethylene
- high pressure
- manufacturing process
- optical performance
- good optical
- 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
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
-
- 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
-
- 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
- B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
- B01J2219/00108—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2639370 | 1970-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE768827A true BE768827A (fr) | 1971-11-03 |
Family
ID=11219388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE768827A BE768827A (fr) | 1970-06-23 | 1971-06-22 | Procede de fabrication a haute pression de polyethylene ayant de bonnesperformances optiques |
Country Status (12)
Country | Link |
---|---|
BE (1) | BE768827A (fr) |
BG (1) | BG25100A3 (fr) |
CS (1) | CS172353B2 (fr) |
DE (1) | DE2131145C3 (fr) |
FR (1) | FR2099267A5 (fr) |
GB (1) | GB1338280A (fr) |
HU (1) | HU164125B (fr) |
LU (1) | LU63396A1 (fr) |
NL (1) | NL165183C (fr) |
PL (1) | PL81822B1 (fr) |
RO (1) | RO61959A (fr) |
SU (1) | SU428611A3 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2313399A1 (fr) * | 1975-06-03 | 1976-12-31 | Charbonnages Ste Chimique | Procede de polymerisation et de copolymerisation de l'ethylene utilisant un dispositif d'injection de gaz |
DE2946954C2 (de) * | 1979-11-21 | 1984-03-15 | EC Erdölchemie GmbH, 5000 Köln | Verfahren zur Stabilisierung von Hochdruckpolyethylen |
DE3844180A1 (de) * | 1988-12-29 | 1990-07-05 | Hoechst Ag | Verfahren zur abtrennung fluechtiger bestandteile aus durch hochdruckpolymerisation erhaltenen reaktionsgemischen |
EP0447177B1 (fr) | 1990-03-16 | 1996-07-03 | Mobil Oil Corporation | Procédé de préparation de copolymères d'éthylène linéaire de basse densité |
US5521010A (en) * | 1994-03-25 | 1996-05-28 | The Furukawa Electric Co., Ltd. | Polyethylene for an insulation layer of a power cable and a crosslinked polyethylene insulated power cable using the same |
WO2007018871A1 (fr) * | 2005-08-05 | 2007-02-15 | Exxonmobil Chemical Patents Inc. | Procede et appareil de fabrication de polymeres et copolymeres d'ethylene |
GB0522706D0 (en) * | 2005-11-07 | 2005-12-14 | Exxonmobil Chem Patents Inc | An apparatus and method for the production of polyethylene and ethylene compolyers |
GB0609973D0 (en) | 2006-05-19 | 2006-06-28 | Exxonmobil Chem Patents Inc | An apparatus for the production of polyethylene and ethylene copolymers |
WO2010071653A1 (fr) * | 2008-12-18 | 2010-06-24 | Exxonmobil Chemical Patents Inc. | Procédé de polymérisation à haute pression |
US20120240960A1 (en) | 2009-12-22 | 2012-09-27 | Philip Henri Cornelissen | Separation Vessels For Use In Polymerization Processes And Methods For Cleaning Same |
RU2682328C1 (ru) * | 2015-11-18 | 2019-03-19 | Базелл Полиолефин Гмбх | Процесс полимеризации со стадией частичного отключения |
KR102007502B1 (ko) | 2016-09-19 | 2019-08-05 | 주식회사 엘지화학 | 에틸렌 및 비닐계 공단량체의 회수 방법 |
CN111100233B (zh) * | 2018-10-25 | 2023-07-25 | 中国石油化工股份有限公司 | 一种用于重包装膜的高压聚乙烯的合成方法 |
CN111808220A (zh) * | 2020-07-06 | 2020-10-23 | 天津全和诚科技有限责任公司 | 一种聚乙烯功能新材料的制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3306889A (en) * | 1963-05-15 | 1967-02-28 | Koppers Co Inc | Ethylene polymerization |
US3372154A (en) * | 1965-04-09 | 1968-03-05 | Union Carbide Corp | Ethylene polymer powders and process therefor |
US3509115A (en) * | 1968-12-11 | 1970-04-28 | Nat Distillers Chem Corp | Process of preparing ethylene-vinyl acetate copolymers |
-
1971
- 1971-06-16 BG BG017829A patent/BG25100A3/xx unknown
- 1971-06-17 RO RO6734671A patent/RO61959A/fr unknown
- 1971-06-21 PL PL14894871A patent/PL81822B1/pl unknown
- 1971-06-21 FR FR7122424A patent/FR2099267A5/fr not_active Expired
- 1971-06-21 SU SU1668184A patent/SU428611A3/ru active
- 1971-06-22 CS CS462471A patent/CS172353B2/cs unknown
- 1971-06-22 LU LU63396D patent/LU63396A1/xx unknown
- 1971-06-22 HU HUSA002214 patent/HU164125B/hu unknown
- 1971-06-22 GB GB2929071A patent/GB1338280A/en not_active Expired
- 1971-06-22 BE BE768827A patent/BE768827A/fr not_active IP Right Cessation
- 1971-06-23 NL NL7108630A patent/NL165183C/xx not_active IP Right Cessation
- 1971-06-23 DE DE19712131145 patent/DE2131145C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CS172353B2 (fr) | 1976-12-29 |
SU428611A3 (ru) | 1974-05-15 |
HU164125B (fr) | 1973-12-28 |
DE2131145B2 (de) | 1973-07-26 |
GB1338280A (en) | 1973-11-21 |
BG25100A3 (en) | 1978-07-12 |
DE2131145C3 (de) | 1982-01-14 |
RO61959A (fr) | 1977-11-15 |
LU63396A1 (fr) | 1971-09-22 |
DE2131145A1 (de) | 1971-12-30 |
PL81822B1 (fr) | 1975-10-31 |
FR2099267A5 (fr) | 1972-03-10 |
NL165183B (nl) | 1980-10-15 |
NL7108630A (fr) | 1971-12-27 |
NL165183C (nl) | 1981-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SNAM PROGETTI S.P.A. Effective date: 19850622 |