IT1073601B - Procedimento per la polimerizzazione dell etilene ad alta pressione - Google Patents

Procedimento per la polimerizzazione dell etilene ad alta pressione

Info

Publication number: IT1073601B
Authority: IT; Italy
Prior art keywords: polymerization; high pressure; pressure ethylene; ethylene; pressure
Prior art date: 1976-03-31

Application number

IT67696/77A

Other languages

English (en)

Inventor

Jean Pierre Machon

Adrien Nicco

Original Assignee

Charbonnages Ste Chimique

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.)

1976-03-31

Filing date

1977-03-30

Publication date

1985-04-17

1977-03-30 Application filed by Charbonnages Ste Chimique filed Critical Charbonnages Ste Chimique

1985-04-17 Application granted granted Critical

1985-04-17 Publication of IT1073601B publication Critical patent/IT1073601B/it

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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
- 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

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Polymerisation Methods In General (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

IT67696/77A 1976-03-31 1977-03-30 Procedimento per la polimerizzazione dell etilene ad alta pressione IT1073601B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7609353A FR2346374A1 (fr)	1976-03-31	1976-03-31	Procede perfectionne de polymerisation de l'ethylene sous haute pression

Publications (1)

Publication Number	Publication Date
IT1073601B true IT1073601B (it)	1985-04-17

Family

ID=9171221

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT67696/77A IT1073601B (it)	1976-03-31	1977-03-30	Procedimento per la polimerizzazione dell etilene ad alta pressione

Country Status (14)

Country	Link
US (1)	US4105842A (it)
JP (1)	JPS5856363B2 (it)
BE (1)	BE853042A (it)
BR (1)	BR7701992A (it)
CA (1)	CA1089598A (it)
DE (1)	DE2714189C2 (it)
ES (1)	ES457413A1 (it)
FR (1)	FR2346374A1 (it)
GB (1)	GB1562557A (it)
IT (1)	IT1073601B (it)
LU (1)	LU77045A1 (it)
MX (1)	MX145630A (it)
NL (1)	NL7703535A (it)
PT (1)	PT66358B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2385745A1 (fr) *	1977-03-31	1978-10-27	Charbonnages Ste Chimique	Procede de polymerisation de l'ethylene, sous pressions elevees, avec recyclage
FR2397429A1 (fr) *	1977-07-13	1979-02-09	Charbonnages Ste Chimique	Procede pour purifier des gaz de recirculation de particules condensees de polymere
FR2418802A1 (fr) *	1978-03-02	1979-09-28	Charbonnages Ste Chimique	Procede de fabrication du polyethylene a faible consommation d'energie
DE2966150D1 (en) *	1978-03-23	1983-10-20	Ici Plc	Gas-phase olefin polymerisation system and process for operating it
DE2854151A1 (de) *	1978-12-15	1980-07-03	Basf Ag	Verfahren zur herstellung von copolymerisaten des aethylens
FR2445343A1 (fr) *	1978-12-28	1980-07-25	Charbonnages Ste Chimique	Procede pour l'elargissement de la repartition moleculaire du polyethylene par emploi de deux reacteurs fonctionnant a des pressions et temperatures tres differentes et en absence d'hydrogene
FR2445344A1 (fr) *	1978-12-28	1980-07-25	Charbonnages Ste Chimique	Procede d'elargissement de la repartition moleculaire du polyethylene par emploi de deux reacteurs et de deux separateurs
US4587314A (en) *	1981-07-21	1986-05-06	Phillips Petroleum Company	Continuous polymerization reactor
FR2519007B1 (fr) *	1981-12-24	1985-12-27	Charbonnages Ste Chimique	Copolymeres modifies de l'ethylene et d'au moins une a-olefine et procede pour leur preparation
US4490514A (en) *	1983-08-16	1984-12-25	Chemplex Company	High-temperature ethylene polymerization and copolymerization using dialuminoxane cocatalysts
US4558105A (en) *	1983-12-07	1985-12-10	Chemplex Company	Copolymerization of ethylene
US4634744A (en) *	1985-01-09	1987-01-06	Chemplex Company	Method of catalyst deactivation
DE4214176A1 (de) *	1992-04-30	1993-11-04	Basf Ag	Verfahren zum entfernen von niedermolekularen, zaehen produkten bei der hochdruckpolymerisation des ethylens
US5712365A (en) *	1995-03-27	1998-01-27	Tosoh Corporation	Process for producing ethylene alpha-olefin copolymer
SG97919A1 (en)	1999-08-31	2003-08-20	Sumitomo Chemical Co	Ethylene-alpha-olefin copolymer and polyethylene composition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SU462833A1 (ru) *	1971-05-03	1975-03-05	Предприятие П/Я Р-6956	Способ управлени процессом полимеризации пропилена
US3758446A (en) *	1971-06-10	1973-09-11	Du Pont	Process for controlling molecular weight of alpha olefin polymers
GB1419012A (en) *	1973-03-29	1975-12-24	Ici Ltd	Production of polyethylene

1976
- 1976-03-31 FR FR7609353A patent/FR2346374A1/fr active Granted
1977
- 1977-03-23 US US05/780,452 patent/US4105842A/en not_active Expired - Lifetime
- 1977-03-28 PT PT66358A patent/PT66358B/pt unknown
- 1977-03-29 MX MX77168554A patent/MX145630A/es unknown
- 1977-03-30 LU LU77045A patent/LU77045A1/xx unknown
- 1977-03-30 CA CA275,117A patent/CA1089598A/fr not_active Expired
- 1977-03-30 BE BE176256A patent/BE853042A/xx not_active IP Right Cessation
- 1977-03-30 DE DE2714189A patent/DE2714189C2/de not_active Expired
- 1977-03-30 BR BR7701992A patent/BR7701992A/pt unknown
- 1977-03-30 IT IT67696/77A patent/IT1073601B/it active
- 1977-03-31 GB GB13680/77A patent/GB1562557A/en not_active Expired
- 1977-03-31 JP JP52036894A patent/JPS5856363B2/ja not_active Expired
- 1977-03-31 NL NL7703535A patent/NL7703535A/xx not_active Application Discontinuation
- 1977-03-31 ES ES77457413A patent/ES457413A1/es not_active Expired

Also Published As

Publication number	Publication date
JPS5856363B2 (ja)	1983-12-14
PT66358B (fr)	1978-08-18
NL7703535A (nl)	1977-10-04
BR7701992A (pt)	1977-11-16
BE853042A (fr)	1977-09-30
JPS52125590A (en)	1977-10-21
CA1089598A (fr)	1980-11-11
GB1562557A (en)	1980-03-12
ES457413A1 (es)	1978-02-16
LU77045A1 (it)	1977-07-22
FR2346374B1 (it)	1978-08-25
MX145630A (es)	1982-03-17
DE2714189C2 (de)	1983-04-21
FR2346374A1 (fr)	1977-10-28
DE2714189A1 (de)	1977-10-13
PT66358A (fr)	1977-04-01
US4105842A (en)	1978-08-08

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