ES8405041A1 - Procedimiento para la preparacion de copolimeros modificados de etileno y de por lo menos una a-olefina. - Google Patents
Procedimiento para la preparacion de copolimeros modificados de etileno y de por lo menos una a-olefina.Info
- Publication number
- ES8405041A1 ES8405041A1 ES518537A ES518537A ES8405041A1 ES 8405041 A1 ES8405041 A1 ES 8405041A1 ES 518537 A ES518537 A ES 518537A ES 518537 A ES518537 A ES 518537A ES 8405041 A1 ES8405041 A1 ES 8405041A1
- Authority
- ES
- Spain
- Prior art keywords
- olefin
- alpha
- ethylene
- copolymer
- prepraration
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- C08F6/00—Post-polymerisation treatments
- C08F6/26—Treatment of polymers prepared in bulk also solid polymers or polymer melts
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/50—Partial depolymerisation
-
- 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
- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (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)
- Polymerization Catalysts (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
PROCEDIMIENTO PARA LA PREPARACION DE COPOLIMEROS MODIFICADOS DE ETILENO CON UNA A-OLEFINA.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, EN UN REACTOR SE INTRODUCEN LOS COPOLIMEROS DE ETILENO, LA A-OLEFINA, UN SISTEMA CATALITICO TIPO ZIEGLER Y UNA CANTIDAD DE HIDROGENO PROXIMA AL 2; SEGUNDA, SE REALIZA LA REACCION CORRESPONDIENTE EN DICHO REACTOR A UNA TEMPERATURA COMPRENDIDA ENTRE 180 Y 320 GRADOS Y BAJO UNA PRESION DE 300 A 2.500 BARES; Y POR ULTIMO, AL FINAL DE LA CITADA REACCION Y EN UNA ULTIMA ZONA REACCIONAL DE DICHO REACTOR, EVENTUALMENTE EN UNSEPARADOR O EN UNA MAQUINA DE TRANSFORMACION DE COPOLIMEROS, SE INCORPORA A LA MASA DE COPOLIMERO OBTENIDO ENTRE UN 0,01 Y UN 1 MILIMOL DE UN INDICADOR DE RADICALES LIBRES POR KILO DE COPOLIMEROS, PARA PROVOCAR REACTIVAMENTE LA MODIFICACION DEL COPOLIMERO DE ETILENO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8124217A FR2519007B1 (fr) | 1981-12-24 | 1981-12-24 | Copolymeres modifies de l'ethylene et d'au moins une a-olefine et procede pour leur preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
ES518537A0 ES518537A0 (es) | 1984-05-16 |
ES8405041A1 true ES8405041A1 (es) | 1984-05-16 |
Family
ID=9265396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES518537A Expired ES8405041A1 (es) | 1981-12-24 | 1982-12-23 | Procedimiento para la preparacion de copolimeros modificados de etileno y de por lo menos una a-olefina. |
Country Status (18)
Country | Link |
---|---|
US (1) | US4486579A (es) |
EP (1) | EP0083521B1 (es) |
JP (1) | JPS58117201A (es) |
AT (1) | ATE18412T1 (es) |
AU (1) | AU568288B2 (es) |
BR (1) | BR8207479A (es) |
CA (1) | CA1208399A (es) |
CS (1) | CS244918B2 (es) |
DE (1) | DE3269745D1 (es) |
DK (1) | DK571482A (es) |
ES (1) | ES8405041A1 (es) |
FI (1) | FI72983C (es) |
FR (1) | FR2519007B1 (es) |
GR (1) | GR77081B (es) |
IE (1) | IE53825B1 (es) |
IN (1) | IN158055B (es) |
NO (1) | NO162076C (es) |
PT (1) | PT76018B (es) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58225106A (ja) * | 1982-06-24 | 1983-12-27 | Mitsubishi Petrochem Co Ltd | ポリエチレンの製造法 |
FR2547585B1 (fr) * | 1983-06-15 | 1985-09-27 | Charbonnages Ste Chimique | Copolymeres modifies de l'ethylene et d'au moins une a-olefine et procede pour leur preparation |
US5013801A (en) * | 1983-06-15 | 1991-05-07 | Charles Cozewith | Molecular weight distribution modification in a tubular reactor |
US4789714A (en) * | 1983-06-15 | 1988-12-06 | Exxon Research & Engineering Co. | Molecular weight distribution modification in tubular reactor |
CA1272846A (en) * | 1984-12-14 | 1990-08-14 | Charles Cozewith | Molecular weight distribution modification in a tubular reactor |
CA1340037C (en) * | 1985-06-17 | 1998-09-08 | Stanley Lustig | Puncture resistant, heat-shrinkable films containing very low density polyethylene copolymer |
US5256351A (en) * | 1985-06-17 | 1993-10-26 | Viskase Corporation | Process for making biaxially stretched, heat shrinkable VLDPE films |
FR2592051B1 (fr) * | 1985-12-24 | 1988-10-14 | Charbonnages Ste Chimique | Compositions de polymeres de l'ethylene, un procede pour leur preparation et leur application a l'obtention d'articles industriels |
DE3642266A1 (de) * | 1986-12-11 | 1987-04-23 | Rauer Kurt | Abbau von polyethylen mittels radikalbildner |
FR2614897B1 (fr) * | 1987-05-07 | 1991-12-20 | Charbonnages Ste Chimique | Compositions thermoplastiques, contenant un polymere modifie d'ethylene et un polymere d'une olefine en c3-c12, leur procede de preparation et leur application a l'obtention d'articles industriels |
US4981605A (en) * | 1987-06-08 | 1991-01-01 | Mitsui Petrochemical Industries, Ltd. | Liquid modified ethylenic random copolymer and its uses |
JPH0759032B2 (ja) * | 1988-01-19 | 1995-06-21 | 富士ゼロックス株式会社 | 画像形成装置 |
EP0374666B1 (de) * | 1988-12-23 | 1994-01-26 | Bayer Ag | Kontinuierliches Verfahren zur Herstellung von Ethylen/Vinylester-Terpolymerisaten |
US5110870A (en) * | 1989-01-06 | 1992-05-05 | Mitsubishi Kasei Corporation | Extensible film or sheet and process for producing the same |
US6025448A (en) * | 1989-08-31 | 2000-02-15 | The Dow Chemical Company | Gas phase polymerization of olefins |
US6538080B1 (en) | 1990-07-03 | 2003-03-25 | Bp Chemicals Limited | Gas phase polymerization of olefins |
FR2680370B1 (fr) * | 1991-08-14 | 1993-11-05 | Enichem Polymeres France Sa | Procede pour le greffage dans la ligne d'acides et anhydrides d'acides carboxyliques insatures sur des polymeres de l'ethylene et installation pour la mise en óoeuvre de ce procede. |
US5395471A (en) * | 1991-10-15 | 1995-03-07 | The Dow Chemical Company | High drawdown extrusion process with greater resistance to draw resonance |
US5783638A (en) * | 1991-10-15 | 1998-07-21 | The Dow Chemical Company | Elastic substantially linear ethylene polymers |
US5674342A (en) * | 1991-10-15 | 1997-10-07 | The Dow Chemical Company | High drawdown extrusion composition and process |
US5278272A (en) | 1991-10-15 | 1994-01-11 | The Dow Chemical Company | Elastic substantialy linear olefin polymers |
US5582923A (en) * | 1991-10-15 | 1996-12-10 | The Dow Chemical Company | Extrusion compositions having high drawdown and substantially reduced neck-in |
US5525695A (en) | 1991-10-15 | 1996-06-11 | The Dow Chemical Company | Elastic linear interpolymers |
IT1266647B1 (it) * | 1993-10-29 | 1997-01-09 | Ausimont Spa | Processo di (co)polimerizzazione di monomeri olefinici fluorurati in emulsione acquosa |
US5792534A (en) * | 1994-10-21 | 1998-08-11 | The Dow Chemical Company | Polyolefin film exhibiting heat resistivity, low hexane extractives and controlled modulus |
US5589551A (en) * | 1995-02-22 | 1996-12-31 | Mobil Oil Corporation | Swell reduction of chromium catalyzed HDPE resins by controlled degradation using high temperature peroxides |
ITMI20030629A1 (it) * | 2003-03-31 | 2004-10-01 | Polimeri Europa Spa | Composizione elastomerica per l'isolamento di cavi elettrici. |
CN103339186B (zh) * | 2010-12-03 | 2016-03-30 | 陶氏环球技术有限责任公司 | 制备基于乙烯的聚合物组合物的方法 |
CN103619938B (zh) * | 2011-07-22 | 2015-12-02 | 艾伦塔斯Pdg股份有限公司 | 使用苯频哪醇聚合引发剂的低温固化 |
US9593173B2 (en) * | 2014-02-28 | 2017-03-14 | Elantas Pdg, Inc. | Low temperature cure polymerization initiator |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1204826B (de) * | 1957-08-12 | 1965-11-11 | Ruhrchemie Ag | Verfahren zur Herstellung von Polyaethylen oder Polypropylen |
GB918182A (en) * | 1960-12-01 | 1963-02-13 | Horstmann & Sherwen Ltd | Improved flexible sealing device for use between telescoping elements |
NL298986A (es) * | 1963-01-09 | 1900-01-01 | ||
DE1301540B (de) * | 1963-01-09 | 1969-08-21 | Chemische Werke Huells Ag | Verfahren zur Erniedrigung des Molekulargewichts von Polyolefinen |
DE1495285C3 (de) * | 1963-03-02 | 1975-07-03 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Erniedrigung des Molekulargewichts von Polyolefinen |
FR1386006A (fr) * | 1963-03-21 | 1965-01-15 | Montedison Spa | Procédé pour purifier des polyoléfines en les débarrassant des résidus de catalyseur |
US3325442A (en) * | 1963-03-25 | 1967-06-13 | Monsanto Co | Preparation of polyethylene compositions containing carbon black and peroxide curingagent |
GB988846A (en) * | 1964-02-05 | 1965-04-14 | Sun Oil Co | Processing of ethylene-propylene copolymer |
GB1205635A (en) * | 1967-05-12 | 1970-09-16 | Ici Ltd | Polymerisation of ethylene |
CA993592A (en) * | 1971-04-09 | 1976-07-20 | Thomas J. Grail | Polymers with improved properties and process therefor |
US3862265A (en) * | 1971-04-09 | 1975-01-21 | Exxon Research Engineering Co | Polymers with improved properties and process therefor |
US3953655A (en) * | 1972-04-03 | 1976-04-27 | Exxon Research And Engineering Company | Polymers with improved properties and process therefor |
US4001172A (en) * | 1972-04-03 | 1977-01-04 | Exxon Research And Engineering Company | Polymers with improved properties and process therefor |
DE2557653A1 (de) * | 1975-12-20 | 1977-06-30 | Basf Ag | Verfahren zur herstellung von aethylenpolymerisaten in einem zweizonen-rohrreaktor bei druecken oberhalb 500 bar |
FR2346374A1 (fr) * | 1976-03-31 | 1977-10-28 | Charbonnages Ste Chimique | Procede perfectionne de polymerisation de l'ethylene sous haute pression |
US4061694A (en) * | 1976-12-21 | 1977-12-06 | Dart Industries Inc. | Low temperature impact strength molding compositions |
JPS5952643B2 (ja) * | 1977-01-27 | 1984-12-20 | 三井化学株式会社 | エチレン共重合体 |
DE2801541A1 (de) * | 1978-01-14 | 1979-07-19 | Hoechst Ag | Aethylencopolymere und ihre verwendung zur herstellung von folien |
US4390677A (en) * | 1978-03-31 | 1983-06-28 | Karol Frederick J | Article molded from ethylene hydrocarbon copolymer |
-
1981
- 1981-12-24 FR FR8124217A patent/FR2519007B1/fr not_active Expired
-
1982
- 1982-04-26 IN IN323/DEL/82A patent/IN158055B/en unknown
- 1982-12-10 GR GR70041A patent/GR77081B/el unknown
- 1982-12-14 AT AT82402276T patent/ATE18412T1/de not_active IP Right Cessation
- 1982-12-14 DE DE8282402276T patent/DE3269745D1/de not_active Expired
- 1982-12-14 EP EP82402276A patent/EP0083521B1/fr not_active Expired
- 1982-12-22 CA CA000418365A patent/CA1208399A/fr not_active Expired
- 1982-12-22 PT PT76018A patent/PT76018B/pt unknown
- 1982-12-22 CS CS829555A patent/CS244918B2/cs unknown
- 1982-12-22 FI FI824413A patent/FI72983C/fi not_active IP Right Cessation
- 1982-12-23 BR BR8207479A patent/BR8207479A/pt not_active IP Right Cessation
- 1982-12-23 ES ES518537A patent/ES8405041A1/es not_active Expired
- 1982-12-23 IE IE3082/82A patent/IE53825B1/en not_active IP Right Cessation
- 1982-12-23 DK DK571482A patent/DK571482A/da not_active Application Discontinuation
- 1982-12-23 JP JP57235095A patent/JPS58117201A/ja active Granted
- 1982-12-23 NO NO824360A patent/NO162076C/no unknown
- 1982-12-23 AU AU91893/82A patent/AU568288B2/en not_active Ceased
- 1982-12-27 US US06/453,701 patent/US4486579A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PT76018A (fr) | 1983-01-01 |
DK571482A (da) | 1983-06-25 |
JPH0534362B2 (es) | 1993-05-21 |
AU568288B2 (en) | 1987-12-24 |
ATE18412T1 (de) | 1986-03-15 |
IE53825B1 (en) | 1989-03-01 |
NO162076B (no) | 1989-07-24 |
AU9189382A (en) | 1983-06-30 |
CS244918B2 (en) | 1986-08-14 |
ES518537A0 (es) | 1984-05-16 |
FR2519007A1 (fr) | 1983-07-01 |
BR8207479A (pt) | 1983-10-18 |
PT76018B (fr) | 1985-07-26 |
IN158055B (es) | 1986-08-23 |
FI72983B (fi) | 1987-04-30 |
FR2519007B1 (fr) | 1985-12-27 |
FI72983C (fi) | 1987-08-10 |
NO824360L (no) | 1983-06-27 |
FI824413L (fi) | 1983-06-25 |
JPS58117201A (ja) | 1983-07-12 |
FI824413A0 (fi) | 1982-12-22 |
IE823082L (en) | 1983-06-24 |
CA1208399A (fr) | 1986-07-22 |
NO162076C (no) | 1989-11-01 |
DE3269745D1 (en) | 1986-04-10 |
GR77081B (es) | 1984-09-06 |
US4486579A (en) | 1984-12-04 |
EP0083521A1 (fr) | 1983-07-13 |
EP0083521B1 (fr) | 1986-03-05 |
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