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 optiques

Info

Publication number: BE768827A
Authority: BE; Belgium
Prior art keywords: polyethylene; high pressure; manufacturing process; optical performance; good optical
Prior art date: 1970-06-23

Application number

BE768827A

Other languages

English (en)

French (fr)

Original Assignee

Snam Progetti

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.)

1970-06-23

Filing date

1971-06-22

Publication date

1971-11-03

1971-06-22 Application filed by Snam Progetti filed Critical Snam Progetti

1971-11-03 Publication of BE768827A publication Critical patent/BE768827A/xx

Links

-1 POLYETHYLENE Polymers 0.000 title 1
239000004698 Polyethylene Substances 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
230000003287 optical effect Effects 0.000 title 1
229920000573 polyethylene Polymers 0.000 title 1

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)
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)

BE768827A 1970-06-23 1971-06-22 Procede de fabrication a haute pression de polyethylene ayant de bonnesperformances optiques BE768827A (fr)

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 (cs)
BG (1)	BG25100A3 (cs)
CS (1)	CS172353B2 (cs)
DE (1)	DE2131145C3 (cs)
FR (1)	FR2099267A5 (cs)
GB (1)	GB1338280A (cs)
HU (1)	HU164125B (cs)
LU (1)	LU63396A1 (cs)
NL (1)	NL165183C (cs)
PL (1)	PL81822B1 (cs)
RO (1)	RO61959A (cs)
SU (1)	SU428611A3 (cs)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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
DE69120561T2 (de)	1990-03-16	1996-10-31	Mobil Oil Corp	Verfahren zur Herstellung von linearen Ethylencopolymeren mit niedriger Dichte
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
KR20080026207A (ko) *	2005-08-05	2008-03-24	엑손모빌 케미칼 패턴츠 인코포레이티드	에틸렌 중합체 및 공중합체를 제조하는 방법 및 장치
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
EP2376220A1 (en) *	2008-12-18	2011-10-19	ExxonMobil Chemical Patents Inc.	High pressure polymerization process
EP2516055B1 (en)	2009-12-22	2020-04-22	ExxonMobil Chemical Patents Inc.	Separation vessels for use in polymerization processes and methods for cleaning same
US10626195B2 (en)	2015-11-18	2020-04-21	Basell Polyolefine Gmbh	Polymerization process with a partial shutdown phase
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)

* Cited by examiner, † Cited by third party
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/ro unknown
- 1971-06-21 FR FR7122424A patent/FR2099267A5/fr not_active Expired
- 1971-06-21 SU SU1668184A patent/SU428611A3/ru active
- 1971-06-21 PL PL14894871A patent/PL81822B1/pl unknown
- 1971-06-22 LU LU63396D patent/LU63396A1/xx unknown
- 1971-06-22 BE BE768827A patent/BE768827A/xx not_active IP Right Cessation
- 1971-06-22 GB GB2929071A patent/GB1338280A/en not_active Expired
- 1971-06-22 HU HUSA002214 patent/HU164125B/hu unknown
- 1971-06-22 CS CS462471A patent/CS172353B2/cs unknown
- 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
HU164125B (cs)	1973-12-28
LU63396A1 (cs)	1971-09-22
SU428611A3 (ru)	1974-05-15
DE2131145B2 (de)	1973-07-26
DE2131145C3 (de)	1982-01-14
GB1338280A (en)	1973-11-21
NL165183B (nl)	1980-10-15
BG25100A3 (en)	1978-07-12
PL81822B1 (cs)	1975-10-31
NL165183C (nl)	1981-03-16
NL7108630A (cs)	1971-12-27
DE2131145A1 (de)	1971-12-30
FR2099267A5 (cs)	1972-03-10
RO61959A (fr)	1977-11-15
CS172353B2 (cs)	1976-12-29

Legal Events

Date

Code

Title

Description

1985-12-31

RE

Patent lapsed

Owner name: SNAM PROGETTI S.P.A.

Effective date: 19850622

Publication	Publication Date	Title
IT991086B (it)	1975-07-30	Metodo per la produzione di unita usi elementari con prestazioni molto elevate
CH552458A (fr)	1974-08-15	Procede de fabrication de lentilles de contact oculaires.
BE773914A (fr)	1972-04-14	Procede de fabrication de charbon active
BE790351A (fr)	1973-04-20	Procede de fabrication de percarbonate de sodium
SE383784B (sv)	1976-03-29	Forfarande for framstellning av en optisk del med liten vikt av ett monolitiskt emne
DK132186B (da)	1975-11-03	Fremgangsmåde til fremstilling af polyvinylalkoholfibre.
RO61959A (fr)	1977-11-15	Procede pour la preparation du polyetnylene a haute pression
IT999077B (it)	1976-02-20	Processo per la produzione di alcooli alifatici
IT964285B (it)	1974-01-21	Metodo per la produzione di alcooli
BE791879A (fr)	1973-05-24	Procede de fabrication de tubes souples coniques
CH550659A (fr)	1974-06-28	Procede de fabrication d'un tube.
BE812681A (fr)	1974-09-23	Procede de fabrication de butynediol
BE789104A (fr)	1973-03-21	Procede de fabrication de cyanacetylcarbamates
BE782476A (fr)	1972-10-23	Procede de fabrication de microcapsules
BE769764A (fr)	1971-11-16	Procede de fabrication de chaussures
BE782356A (fr)	1972-08-16	Procede de fabrication de l-tryptophane
BE777022A (fr)	1972-06-21	Acide 2-(3-hydroxy-1-octynyl)-3-hydroxy-5-oxocyclopent- 1-eneheptanoique, ses isomeres optiques et les esters correspondants
BE761770A (fr)	1971-07-01	Procede de fabrication de verres de contact
BR7308275D0 (pt)	1974-07-11	Processo para a fabricacao de lentes para lanternas
FR1522196A (fr)	1968-04-19	Procédé de production de pénicilline déshydratées
BE765832A (fr)	1971-10-18	Procede de fabrication de nouveaux halogenosteroides
BE808928A (fr)	1974-04-16	Procede de fabrication de surfaces optiques anastigmatiques de puissances progressivement croissantes
BE747504A (fr)	1970-08-31	Tuyau haute pression et son procede de fabrication
BE765320A (fr)	1971-08-30	Procede de fabrication de coke isotrope de tres grande purete
FR1365803A (fr)	1964-07-03	Procédé de fabrication de corps optiques en matières plastiques