ZA785855B - Continuous removal of residual hydrocarbons from polyolefins - Google Patents

Continuous removal of residual hydrocarbons from polyolefins

Info

Publication number: ZA785855B
Authority: ZA; South Africa
Prior art keywords: polyolefins; continuous removal; residual hydrocarbons; hydrocarbons; residual
Prior art date: 1977-10-19

Application number

ZA00785855A

Other languages

English (en)

Inventor

K Kaiser

A Ohorodnik

Original Assignee

Hoechst Ag

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.)

1977-10-19

Filing date

1978-10-18

Publication date

1979-10-31

1978-10-18 Application filed by Hoechst Ag filed Critical Hoechst Ag

1979-10-31 Publication of ZA785855B publication Critical patent/ZA785855B/xx

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
- C08F6/00—Post-polymerisation treatments
- C08F6/06—Treatment of polymer solutions
- C08F6/10—Removal of volatile materials, e.g. solvents

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)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

ZA00785855A 1977-10-19 1978-10-18 Continuous removal of residual hydrocarbons from polyolefins ZA785855B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2746909A DE2746909C3 (de)	1977-10-19	1977-10-19	Verfahren zur kontinuierlichen Entfernung von Restkohlenwasserstoffen aus Polyolefinen

Publications (1)

Publication Number	Publication Date
ZA785855B true ZA785855B (en)	1979-10-31

Family

ID=6021766

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00785855A ZA785855B (en)	1977-10-19	1978-10-18	Continuous removal of residual hydrocarbons from polyolefins

Country Status (8)

Country	Link
US (1)	US4391972A (es)
EP (1)	EP0001590B1 (es)
JP (1)	JPS5465785A (es)
AU (1)	AU518963B2 (es)
DE (2)	DE2746909C3 (es)
ES (1)	ES474313A1 (es)
IN (1)	IN150152B (es)
ZA (1)	ZA785855B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2903586A1 (de) *	1979-01-31	1980-08-14	Hoechst Ag	Verfahren zur kontinuierlichen entfernung von restkohlenwasserstoffen aus polyolefinen und vorrichtung zur durchfuehrung des verfahrens
CA1206299A (en) *	1981-11-26	1986-06-17	John P. Duffy	Polymer recovery
DE3200413A1 (de) *	1982-01-09	1983-07-21	Bayer Ag, 5090 Leverkusen	Verfahren zum entmonomerisieren von polymeraufschlaemmungen
DE3343322A1 (de) *	1983-11-30	1985-06-05	Bayer Ag, 5090 Leverkusen	Verfahren zur isolierung von pulverfoermigen, chlorierten, aliphatischen polymeren aus ihren aliphatischen chlorkohlenwasserstoffloesungen
DE3844180A1 (de) *	1988-12-29	1990-07-05	Hoechst Ag	Verfahren zur abtrennung fluechtiger bestandteile aus durch hochdruckpolymerisation erhaltenen reaktionsgemischen

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1089547B (de) *	1957-12-11	1960-09-22	Hoechst Ag	Verfahren und Vorrichtung zum Entfernen von Loesungsmitteln aus Olefinpolymerisaten
US3000871A (en) *	1958-01-17	1961-09-19	Shell Oil Co	Method for purifying polyolefin
NL277316A (es) *	1961-04-18
US3959243A (en) *	1963-08-12	1976-05-25	Montecatini Edison S.P.A.	Method for preparing alpha-olefin polymers
US3583967A (en) *	1968-12-06	1971-06-08	Kao Corp	Method for obtaining polymer from polymer solution
US3547865A (en) *	1969-04-29	1970-12-15	Hooker Chemical Corp	Polymer recovery process
US3668161A (en) *	1969-06-09	1972-06-06	Union Carbide Corp	Devolatilization of liquid polymer compositions
BE754808A (fr) *	1969-08-14	1971-02-15	Exxon Research Engineering Co	Recuperation de monomeres dans un procede de polymerisation
BE755255A (fr) *	1969-08-26	1971-02-25	Exxon Research Engineering Co	Recuperation de monomeres et de diluants-solvants dans un procede de polymerisation
CA936489A (en) *	1970-04-13	1973-11-06	The B. F. Goodrich Company	Hydrocarbon recovery in epdm manufacture
DE2521780C2 (de) *	1975-05-16	1982-10-21	Hoechst Ag, 6000 Frankfurt	Verfahren zur kontinuierlichen Entfernung von Monomeren aus einer wäßrigen Dispersion eines Polymeren
US4171427A (en) *	1975-05-16	1979-10-16	Hoechst Aktiengesellschaft	Process for continuously removing monomers from an aqueous dispersion of a polymer
DE2550023C3 (de) *	1975-11-07	1988-11-10	Hoechst Ag, 6230 Frankfurt	Entgasungskolonne
DE2640546C2 (de) *	1976-09-09	1982-07-01	Hoechst Ag, 6000 Frankfurt	Verfahren zur kontinuierlichen Entfernung von Vinylchlorid aus einer wässerigen Dispersion von Homo- und Copolymerisaten des Vinylchlorids

1977
- 1977-10-19 DE DE2746909A patent/DE2746909C3/de not_active Expired
1978
- 1978-10-04 DE DE7878101061T patent/DE2861206D1/de not_active Expired
- 1978-10-04 EP EP78101061A patent/EP0001590B1/de not_active Expired
- 1978-10-18 JP JP12743678A patent/JPS5465785A/ja active Pending
- 1978-10-18 AU AU40806/78A patent/AU518963B2/en not_active Expired
- 1978-10-18 ZA ZA00785855A patent/ZA785855B/xx unknown
- 1978-10-18 ES ES474313A patent/ES474313A1/es not_active Expired
- 1978-10-19 IN IN1130/CAL/78A patent/IN150152B/en unknown
1981
- 1981-04-02 US US06/250,387 patent/US4391972A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE2746909B2 (de)	1981-04-30
EP0001590B1 (de)	1981-10-21
US4391972A (en)	1983-07-05
DE2746909C3 (de)	1982-03-11
AU518963B2 (en)	1981-10-29
AU4080678A (en)	1980-04-24
DE2861206D1 (en)	1981-12-24
JPS5465785A (en)	1979-05-26
DE2746909A1 (de)	1979-04-26
ES474313A1 (es)	1979-04-16
EP0001590A1 (de)	1979-05-02
IN150152B (es)	1982-07-31

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