KR890017271A - α-올레핀과 에틸렌의 저압공중합 방법 및 낮은 잔류단량체 함량을 갖는 에틸렌 공중합체 - Google Patents
α-올레핀과 에틸렌의 저압공중합 방법 및 낮은 잔류단량체 함량을 갖는 에틸렌 공중합체 Download PDFInfo
- Publication number
- KR890017271A KR890017271A KR1019890006132A KR890006132A KR890017271A KR 890017271 A KR890017271 A KR 890017271A KR 1019890006132 A KR1019890006132 A KR 1019890006132A KR 890006132 A KR890006132 A KR 890006132A KR 890017271 A KR890017271 A KR 890017271A
- Authority
- KR
- South Korea
- Prior art keywords
- ethylene
- phase
- mixture
- solid phase
- washing
- 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
- C08F210/02—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
- C08F6/00—Post-polymerisation treatments
- C08F6/001—Removal of residual monomers by physical means
- C08F6/005—Removal of residual monomers by physical means from solid polymers
-
- 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
- C08F6/006—Removal of residual monomers by chemical reaction, e.g. scavenging
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymerisation Methods In General (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (6)
- 교반 또는 유동화 중합반응영역에서 40 내지 120℃ 온도 및 10 내지 60바의 압력하에서 단량체들을 촉매식 건조-상 공중합하고, 얻어진 고체중합체와 비전환된 기체상 단량체의 혼합물을 강하영역으로 전달하고, 감압후에 그 혼합물을 기체상(Ⅰ)을 고체상(Ⅱ)으로 분리하고, 단량체는 재순환하는 것으로 이루어진 에틸렌/α-올레핀 공중합체의 연속식 제조방법에 있어서, 고체상(Ⅱ)을 미리 기체상의 에틸렌으로 연속 세척하고, 그 다음 질소와 증기의 혼합물로 세척하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 고체상(Ⅱ)의 초기 세척동안 형성된 기체상(Ⅲ)이 기체상(Ⅰ)과 함께 중합반응계로 재순환되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 고체상(Ⅱ)의 초기세척은 중합반응계에 알맞은 온도 및 0.1 내지 3바의 게이지 압력하에서 수행되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 고체상(Ⅱ)는 나중에 40 내지 120℃ 온도 및 0.05 내지 3바의 게이지 압력하에 증기 부화질소로 세척되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 매 경우마다 고체상(Ⅱ)는 역류법에 의해 세척기체로 세척되는 것을 특징으로 하는 방법.
- 잔류단량체 및 향 및 방향물질이 실제로 거의 없는 잔류단량체 및 제 1 항에 따른 에틸렌 공중합체.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP3815487.0 | 1988-05-06 | ||
DE3815487A DE3815487A1 (de) | 1988-05-06 | 1988-05-06 | Verfahren zur niederdruckcopolymerisation von ethylen mit (alpha)-olefinen und ethylencopolymerisate mit niederem restmonomerengehalt |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890017271A true KR890017271A (ko) | 1989-12-15 |
KR0134968B1 KR0134968B1 (ko) | 1998-04-20 |
Family
ID=6353803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890006132A KR0134968B1 (ko) | 1988-05-06 | 1989-05-06 | α-올레핀과 에틸렌의 저압공중합 방법 및 낮은 잔류단량체 함유를 갖는 에틸렌 공중합체 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5071950A (ko) |
EP (1) | EP0341540B1 (ko) |
JP (1) | JP2732893B2 (ko) |
KR (1) | KR0134968B1 (ko) |
AT (1) | ATE84549T1 (ko) |
DE (2) | DE3815487A1 (ko) |
ES (1) | ES2040924T3 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3838492A1 (de) * | 1988-11-12 | 1990-05-17 | Basf Ag | Verfahren zur herstellung von ethylenpolymerisaten mittels eines vanadin enthaltenden ziegler-katalysatorsystems unter zerstoerung ueberschuessiger katalysatorreste und so hergestellte ethylenpolymerisate |
DE3844180A1 (de) * | 1988-12-29 | 1990-07-05 | Hoechst Ag | Verfahren zur abtrennung fluechtiger bestandteile aus durch hochdruckpolymerisation erhaltenen reaktionsgemischen |
EP0447177B1 (en) * | 1990-03-16 | 1996-07-03 | Mobil Oil Corporation | Process for the production of linear low density ethylene copolymers |
ES2111635T3 (es) * | 1991-03-04 | 1998-03-16 | Dow Chemical Co | Metodo de mejorar la estabilidad termica oxidativa de polimeros de etileno. |
US5191062A (en) * | 1991-09-27 | 1993-03-02 | Union Carbide Chemicals & Plastics Technology Corporation | Steam purging of granular epdm resins |
US5276135A (en) * | 1992-03-20 | 1994-01-04 | E. I. Du Pont De Nemours And Company | Stabilized copolymers of ethylene with ethylenically unsaturated carboxylic acids |
FR2719847B1 (fr) * | 1994-05-16 | 1996-08-09 | Bp Chemicals Snc | Procédé de polymérisation d'oléfine en phase gazeuse. |
TW440572B (en) * | 1996-04-11 | 2001-06-16 | Mitsui Petrochemical Ind | Method of drying solid polymer and drying apparatus |
US5861474A (en) * | 1996-07-23 | 1999-01-19 | The Dow Chemical Company | Polymer devolatilization |
DE19922677C1 (de) † | 1999-05-18 | 2001-04-19 | Elenac Gmbh | Verfahren zum Trocknen und Entgasen von Polyolefinen und nach diesem Verfahren hergestelltes Polyethylen |
DE19948280A1 (de) * | 1999-10-06 | 2001-04-12 | Elenac Gmbh | Gasphasenpolymerisationsverfahren |
JP2003137244A (ja) * | 2001-10-30 | 2003-05-14 | Japan Polychem Corp | 医療用ブロー容器 |
WO2008015228A2 (en) * | 2006-08-03 | 2008-02-07 | Basell Polyolefine Gmbh | Process for the polyolefin finishing |
RU2608615C2 (ru) * | 2011-10-17 | 2017-01-23 | Инеос Юроуп Аг | Регулирование процесса дегазации полимеров |
EP2743279A1 (en) | 2012-12-11 | 2014-06-18 | Basell Polyolefine GmbH | Process for treating polyolefin particles obtained by gas-phase polymerization |
EP2743278A1 (en) | 2012-12-11 | 2014-06-18 | Basell Polyolefine GmbH | Process for degassing and buffering polyolefin particles obtained by olefin polymerization |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3152872A (en) * | 1964-10-13 | figure | ||
US3488339A (en) * | 1967-07-18 | 1970-01-06 | Eastman Kodak Co | Process for removing catalyst contaminants from polymerizable alpha-olefins |
ZA767216B (en) * | 1976-12-03 | 1978-07-26 | Sentrachem Ltd | Improved method of manufacturing ion exchange types of resins and the use of same |
DE2735355A1 (de) * | 1977-08-05 | 1979-02-15 | Basf Ag | Verfahren zum herstellen von homo- und copolymerisaten des aethylens |
US4372758A (en) * | 1980-09-02 | 1983-02-08 | Union Carbide Corporation | Degassing process for removing unpolymerized monomers from olefin polymers |
DE3122679A1 (de) * | 1981-06-06 | 1982-12-23 | Basf Ag, 6700 Ludwigshafen | Verfahren zum desodorieren feinteiliger, mittels ziegler-natta-katalysatoren erhaltener propylenpolymerisate |
JPS58151435A (ja) * | 1982-03-01 | 1983-09-08 | Mitsui Toatsu Chem Inc | 貴金属の精製および回収方法 |
AU577274B2 (en) * | 1983-04-29 | 1988-09-22 | Mobil Oil Corporation | Process for removal of residual monomers from ethylene co-polymers |
WO1987003623A1 (en) * | 1985-12-06 | 1987-06-18 | In-Situ, Inc. | An electrolytic process for the simultaneous deposition of gold and replenishment of elemental iodine |
US4758654A (en) * | 1987-04-28 | 1988-07-19 | Union Carbide Corporation | Method for treating resin in a purge vessel |
JPS648227A (en) * | 1987-06-29 | 1989-01-12 | Electroplating Eng | Method and apparatus for recovering noble metal compound and method and apparatus for preparing noble metal plating liquid |
-
1988
- 1988-05-06 DE DE3815487A patent/DE3815487A1/de not_active Withdrawn
-
1989
- 1989-04-29 EP EP89107887A patent/EP0341540B1/de not_active Expired - Lifetime
- 1989-04-29 ES ES198989107887T patent/ES2040924T3/es not_active Expired - Lifetime
- 1989-04-29 DE DE8989107887T patent/DE58903258D1/de not_active Expired - Lifetime
- 1989-04-29 AT AT89107887T patent/ATE84549T1/de not_active IP Right Cessation
- 1989-05-02 JP JP1112388A patent/JP2732893B2/ja not_active Expired - Lifetime
- 1989-05-06 KR KR1019890006132A patent/KR0134968B1/ko not_active IP Right Cessation
-
1990
- 1990-09-24 US US07/587,563 patent/US5071950A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5071950A (en) | 1991-12-10 |
DE58903258D1 (de) | 1993-02-25 |
EP0341540B1 (de) | 1993-01-13 |
ATE84549T1 (de) | 1993-01-15 |
ES2040924T3 (es) | 1993-11-01 |
EP0341540A2 (de) | 1989-11-15 |
DE3815487A1 (de) | 1989-11-16 |
EP0341540A3 (en) | 1990-12-12 |
JPH01318019A (ja) | 1989-12-22 |
JP2732893B2 (ja) | 1998-03-30 |
KR0134968B1 (ko) | 1998-04-20 |
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LAPS | Lapse due to unpaid annual fee |