AU767675B2 - Process for reducing the molecular weight of copolymers and terpolymers of ethylene - Google Patents
Process for reducing the molecular weight of copolymers and terpolymers of ethylene Download PDFInfo
- Publication number
- AU767675B2 AU767675B2 AU65298/99A AU6529899A AU767675B2 AU 767675 B2 AU767675 B2 AU 767675B2 AU 65298/99 A AU65298/99 A AU 65298/99A AU 6529899 A AU6529899 A AU 6529899A AU 767675 B2 AU767675 B2 AU 767675B2
- Authority
- AU
- Australia
- Prior art keywords
- process according
- ethylene
- hydroperoxide
- ranges
- ranging
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 44
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims description 13
- 239000005977 Ethylene Substances 0.000 title claims description 13
- 229920001897 terpolymer Polymers 0.000 title claims description 11
- 229920001577 copolymer Polymers 0.000 title claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 17
- 229920002943 EPDM rubber Polymers 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 7
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 7
- 150000001993 dienes Chemical class 0.000 claims description 6
- 239000013585 weight reducing agent Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 description 17
- 238000002156 mixing Methods 0.000 description 10
- 238000006731 degradation reaction Methods 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 7
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 6
- 150000002978 peroxides Chemical class 0.000 description 6
- 238000010077 mastication Methods 0.000 description 5
- 230000018984 mastication Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- OJOWICOBYCXEKR-APPZFPTMSA-N (1S,4R)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound CC=C1C[C@@H]2C[C@@H]1C=C2 OJOWICOBYCXEKR-APPZFPTMSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 150000002432 hydroperoxides Chemical class 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- PRBHEGAFLDMLAL-GQCTYLIASA-N (4e)-hexa-1,4-diene Chemical compound C\C=C\CC=C PRBHEGAFLDMLAL-GQCTYLIASA-N 0.000 description 1
- ZGXMNEKDFYUNDQ-GQCTYLIASA-N (5e)-hepta-1,5-diene Chemical compound C\C=C\CCC=C ZGXMNEKDFYUNDQ-GQCTYLIASA-N 0.000 description 1
- RJUCIROUEDJQIB-GQCTYLIASA-N (6e)-octa-1,6-diene Chemical compound C\C=C\CCCC=C RJUCIROUEDJQIB-GQCTYLIASA-N 0.000 description 1
- JGBAASVQPMTVHO-UHFFFAOYSA-N 2,5-dihydroperoxy-2,5-dimethylhexane Chemical compound OOC(C)(C)CCC(C)(C)OO JGBAASVQPMTVHO-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- WTQBISBWKRKLIJ-UHFFFAOYSA-N 5-methylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C)CC1C=C2 WTQBISBWKRKLIJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000581877 Fiona Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- UVJHQYIOXKWHFD-UHFFFAOYSA-N cyclohexa-1,4-diene Chemical compound C1C=CCC=C1 UVJHQYIOXKWHFD-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- -1 peroxide hydroperoxide Chemical class 0.000 description 1
- 238000010060 peroxide vulcanization Methods 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
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
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
- C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
-
- 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)
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerization Catalysts (AREA)
- Polymerisation Methods In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1998MI002774A IT1304499B1 (it) | 1998-12-22 | 1998-12-22 | Procedimento per ridurre il peso molecolare di copolimeri eterpolimeri dell'etilene. |
| ITMI98A002774 | 1998-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU6529899A AU6529899A (en) | 2000-06-29 |
| AU767675B2 true AU767675B2 (en) | 2003-11-20 |
Family
ID=11381305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU65298/99A Ceased AU767675B2 (en) | 1998-12-22 | 1999-12-16 | Process for reducing the molecular weight of copolymers and terpolymers of ethylene |
Country Status (27)
| Country | Link |
|---|---|
| US (1) | US6211332B1 (enExample) |
| EP (1) | EP1013673B1 (enExample) |
| JP (1) | JP4860020B2 (enExample) |
| KR (1) | KR20000048239A (enExample) |
| CN (1) | CN1117107C (enExample) |
| AR (1) | AR022004A1 (enExample) |
| AT (1) | ATE287419T1 (enExample) |
| AU (1) | AU767675B2 (enExample) |
| BG (1) | BG63722B1 (enExample) |
| BR (1) | BR9905941A (enExample) |
| CA (1) | CA2292313A1 (enExample) |
| CZ (1) | CZ293026B6 (enExample) |
| DE (1) | DE69923284T2 (enExample) |
| EA (1) | EA002491B1 (enExample) |
| ES (1) | ES2237036T3 (enExample) |
| HR (1) | HRP990389A2 (enExample) |
| HU (1) | HUP9904689A3 (enExample) |
| ID (1) | ID24399A (enExample) |
| IT (1) | IT1304499B1 (enExample) |
| MY (1) | MY119952A (enExample) |
| NO (1) | NO996213L (enExample) |
| NZ (1) | NZ501811A (enExample) |
| PL (1) | PL337357A1 (enExample) |
| SK (1) | SK183099A3 (enExample) |
| TR (1) | TR199903202A3 (enExample) |
| TW (1) | TW585878B (enExample) |
| UA (1) | UA66795C2 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004217913A (ja) * | 2002-12-27 | 2004-08-05 | Nof Corp | 水酸基変性エチレン−α−オレフィン系共重合体及びその組成物並びに水酸基変性エチレン−α−オレフィン系共重合体の製造方法 |
| EP1577325B1 (en) * | 2002-12-27 | 2009-11-11 | Nof Corporation | Method for producing hydroxyl-modified ethylene-alpha-olefin copolymer |
| ITMI20030629A1 (it) * | 2003-03-31 | 2004-10-01 | Polimeri Europa Spa | Composizione elastomerica per l'isolamento di cavi elettrici. |
| ITMI20032550A1 (it) * | 2003-12-22 | 2005-06-23 | Polimeri Europa Spa | Mescole elastomeriche a base di nerofumo |
| ITMI20040751A1 (it) * | 2004-04-16 | 2004-07-16 | Polimeri Europa Spa | Procedimento per modificare le proprieta' reologiche di polimeri ep d m e miscele di ep d m con poli-alfaolefine |
| JP2006022237A (ja) * | 2004-07-09 | 2006-01-26 | Nof Corp | ゴム組成物および架橋物 |
| ITMI20041672A1 (it) * | 2004-08-27 | 2004-11-27 | Polimeri Europa Spa | Copolimeri etilene-propilene a migliorata stabilita' di forma adatti alla modifica degli oli lubrificanti e procedimento per la loro preparazione |
| ITMI20042289A1 (it) | 2004-11-26 | 2005-02-26 | Polimeri Europa Spa | Processo migliorato per ottenere masters elastomerici contenenti cariche inorganiche |
| ITMI20042399A1 (it) * | 2004-12-16 | 2005-03-16 | Polimeri Europa Spa | Additivi per oli lubrificanti aventi migliorata stabilita' di forma e migliorate prestazioni a bassa temperatura e procedimento per la loro preparazione |
| ITMI20060286A1 (it) * | 2006-02-16 | 2007-08-17 | Polimeri Europa Spa | Copolimeri etilene-propilene adatti alla modifica degli oli lubrificanti e procedimento per la loro preparazione |
| MY160414A (en) * | 2008-12-16 | 2017-03-15 | H R D Corp | High shear oxidation of wax |
| DE102010052286A1 (de) * | 2010-03-25 | 2011-09-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von kürzerkettigen Kunststoffen und wachsartigen Produkten aus höhermolekularen Polymeren |
| US9115237B2 (en) | 2012-07-18 | 2015-08-25 | Chevron Oronite Company Llc | Viscosity improver grafted with unsaturated acylating agent and an aryloxyalylkene monoamine |
| JP6865754B2 (ja) | 2016-01-22 | 2021-04-28 | シェブロン・オロナイト・カンパニー・エルエルシー | オレフィンコポリマー分散剤型粘度向上剤とアミン化合物との混合物を含有する相乗的潤滑油組成物 |
| CN110078848B (zh) * | 2019-04-08 | 2022-04-29 | 江苏龙蟠科技股份有限公司 | 一种液体乙丙橡胶的制备方法 |
| IT202200025956A1 (it) | 2022-12-19 | 2024-06-19 | Versalis Spa | Additivi miglioratori dell’indice di viscosita’ di oli lubrificanti e procedimento per la loro preparazione. |
| IT202200025962A1 (it) | 2022-12-19 | 2024-06-19 | Versalis Spa | Procedimento in continuo per la riduzione del peso molecolare di copolimeri e terpolimeri dell’etilene. |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0074194A2 (en) * | 1981-08-22 | 1983-03-16 | Showa Denko Kabushiki Kaisha | Propylene-ethylene random copolymer, production process thereof, and film derived therefrom |
| EP0123424A2 (en) * | 1983-03-28 | 1984-10-31 | Chevron Research Company | Method of oxidatively degrading an olefinic polymer to produce an oxidised polymer product useful as a viscosity index improvement agent for a lubricating oil |
| EP0264156A1 (en) * | 1986-10-17 | 1988-04-20 | Kayaku Akzo Corporation | Process for modifying addition polymerization plastics |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB988846A (en) * | 1964-02-05 | 1965-04-14 | Sun Oil Co | Processing of ethylene-propylene copolymer |
| DE1902178A1 (de) * | 1969-01-17 | 1970-07-30 | Western Petrochemical Corp | Polyaethylene sowie Verfahren zu deren Herstellung |
| FR2508047B1 (fr) * | 1981-06-22 | 1985-10-11 | Bp Chimie Sa | Procede de traitement de polyethylene de basse densite lineaire par des peroxydes organiques, generateurs de radicaux libres |
| US4749505A (en) * | 1985-07-08 | 1988-06-07 | Exxon Chemical Patents Inc. | Olefin polymer viscosity index improver additive useful in oil compositions |
| DE3642266A1 (de) * | 1986-12-11 | 1987-04-23 | Rauer Kurt | Abbau von polyethylen mittels radikalbildner |
| FR2613722B1 (fr) * | 1987-04-07 | 1990-11-23 | Bp Chimie Sa | Procede de fabrication de granules d'homopolymere ou de copolymere de propylene |
| CN1092430A (zh) | 1989-10-25 | 1994-09-21 | 陶氏化学公司 | 纸张涂料组合物用的胶乳共聚物 |
| IT1252069B (it) * | 1991-11-25 | 1995-05-29 | Enichem Elastomers | Processo per la preparazione di copolimeri elastomerici dell'etilene |
| IT1275452B (it) | 1995-06-30 | 1997-08-07 | Enichem Elastomers | Procedimento per la preparazione di copolimeri etilene-propilene |
| TW322494B (enExample) | 1995-09-14 | 1997-12-11 | Enichem Elastomeri Srl | |
| IT1283587B1 (it) * | 1996-04-11 | 1998-04-22 | Enichem Elastomers | Procedimento per la preparazione di miscele polimeriche a base di copolimeri elastomerici ep(d)m |
-
1998
- 1998-12-22 IT IT1998MI002774A patent/IT1304499B1/it active
-
1999
- 1999-12-15 CA CA002292313A patent/CA2292313A1/en not_active Abandoned
- 1999-12-15 BG BG104015A patent/BG63722B1/bg unknown
- 1999-12-15 NZ NZ501811A patent/NZ501811A/en unknown
- 1999-12-15 NO NO996213A patent/NO996213L/no not_active Application Discontinuation
- 1999-12-16 EP EP99204356A patent/EP1013673B1/en not_active Expired - Lifetime
- 1999-12-16 AT AT99204356T patent/ATE287419T1/de not_active IP Right Cessation
- 1999-12-16 DE DE69923284T patent/DE69923284T2/de not_active Expired - Lifetime
- 1999-12-16 ES ES99204356T patent/ES2237036T3/es not_active Expired - Lifetime
- 1999-12-16 AU AU65298/99A patent/AU767675B2/en not_active Ceased
- 1999-12-17 HR HR990389A patent/HRP990389A2/hr not_active Application Discontinuation
- 1999-12-17 CZ CZ19994620A patent/CZ293026B6/cs not_active IP Right Cessation
- 1999-12-20 MY MYPI99005588A patent/MY119952A/en unknown
- 1999-12-20 UA UA99126958A patent/UA66795C2/uk unknown
- 1999-12-20 US US09/466,793 patent/US6211332B1/en not_active Expired - Lifetime
- 1999-12-20 KR KR1019990059128A patent/KR20000048239A/ko not_active Ceased
- 1999-12-21 PL PL99337357A patent/PL337357A1/xx not_active Application Discontinuation
- 1999-12-21 SK SK1830-99A patent/SK183099A3/sk unknown
- 1999-12-21 HU HU9904689A patent/HUP9904689A3/hu unknown
- 1999-12-22 BR BR9905941-0A patent/BR9905941A/pt not_active IP Right Cessation
- 1999-12-22 JP JP36530499A patent/JP4860020B2/ja not_active Expired - Lifetime
- 1999-12-22 AR ARP990106709A patent/AR022004A1/es not_active Application Discontinuation
- 1999-12-22 TR TR1999/03202A patent/TR199903202A3/tr unknown
- 1999-12-22 TW TW088122632A patent/TW585878B/zh not_active IP Right Cessation
- 1999-12-22 ID IDP991164D patent/ID24399A/id unknown
- 1999-12-22 CN CN99127778A patent/CN1117107C/zh not_active Expired - Lifetime
-
2000
- 2000-02-21 EA EA200000147A patent/EA002491B1/ru not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0074194A2 (en) * | 1981-08-22 | 1983-03-16 | Showa Denko Kabushiki Kaisha | Propylene-ethylene random copolymer, production process thereof, and film derived therefrom |
| EP0123424A2 (en) * | 1983-03-28 | 1984-10-31 | Chevron Research Company | Method of oxidatively degrading an olefinic polymer to produce an oxidised polymer product useful as a viscosity index improvement agent for a lubricating oil |
| EP0264156A1 (en) * | 1986-10-17 | 1988-04-20 | Kayaku Akzo Corporation | Process for modifying addition polymerization plastics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) |