HRP990389A2 - 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
- HRP990389A2 HRP990389A2 HR990389A HRP990389A HRP990389A2 HR P990389 A2 HRP990389 A2 HR P990389A2 HR 990389 A HR990389 A HR 990389A HR P990389 A HRP990389 A HR P990389A HR P990389 A2 HRP990389 A2 HR P990389A2
- Authority
- HR
- Croatia
- Prior art keywords
- range
- hydroperoxide
- ethylene
- molecular weight
- propylene
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 39
- 230000008569 process Effects 0.000 title claims description 22
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims description 8
- 239000005977 Ethylene Substances 0.000 title claims description 8
- 229920001577 copolymer Polymers 0.000 title claims description 5
- 229920001897 terpolymer Polymers 0.000 title description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 15
- 229920002943 EPDM rubber Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 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
- 230000009467 reduction Effects 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 description 13
- 150000002978 peroxides Chemical class 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 7
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 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 5
- 238000003756 stirring Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 150000002432 hydroperoxides Chemical class 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
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007254 oxidation 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 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
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011866 long-term treatment Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000013585 weight reducing 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)
- Polymerisation Methods In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerization Catalysts (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| 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. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP990389A2 true HRP990389A2 (en) | 2000-10-31 |
Family
ID=11381305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HR990389A HRP990389A2 (en) | 1998-12-22 | 1999-12-17 | Process for reducing the molecular weight of copolymers and terpolymers of ethylene |
Country Status (27)
| Country | Link |
|---|---|
| US (1) | US6211332B1 (sk) |
| EP (1) | EP1013673B1 (sk) |
| JP (1) | JP4860020B2 (sk) |
| KR (1) | KR20000048239A (sk) |
| CN (1) | CN1117107C (sk) |
| AR (1) | AR022004A1 (sk) |
| AT (1) | ATE287419T1 (sk) |
| AU (1) | AU767675B2 (sk) |
| BG (1) | BG63722B1 (sk) |
| BR (1) | BR9905941A (sk) |
| CA (1) | CA2292313A1 (sk) |
| CZ (1) | CZ293026B6 (sk) |
| DE (1) | DE69923284T2 (sk) |
| EA (1) | EA002491B1 (sk) |
| ES (1) | ES2237036T3 (sk) |
| HR (1) | HRP990389A2 (sk) |
| HU (1) | HUP9904689A3 (sk) |
| ID (1) | ID24399A (sk) |
| IT (1) | IT1304499B1 (sk) |
| MY (1) | MY119952A (sk) |
| NO (1) | NO996213L (sk) |
| NZ (1) | NZ501811A (sk) |
| PL (1) | PL337357A1 (sk) |
| SK (1) | SK183099A3 (sk) |
| TR (1) | TR199903202A2 (sk) |
| TW (1) | TW585878B (sk) |
| UA (1) | UA66795C2 (sk) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050093804A (ko) * | 2002-12-27 | 2005-09-23 | 노프 코포레이션 | 수산기 변성 에틸렌-α-올레핀 공중합체의 제조방법 |
| 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 |
| 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 |
| CN102256696B (zh) * | 2008-12-16 | 2016-06-08 | Hrd有限公司 | 蜡的高剪切氧化 |
| DE102010052287A1 (de) * | 2010-03-25 | 2011-09-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Modifizierte Polyolefine |
| US9115237B2 (en) | 2012-07-18 | 2015-08-25 | Chevron Oronite Company Llc | Viscosity improver grafted with unsaturated acylating agent and an aryloxyalylkene monoamine |
| KR20180104064A (ko) | 2016-01-22 | 2018-09-19 | 셰브런 오로나이트 컴퍼니 엘엘씨 | 올레핀 공중합체 분산제-유형 점도 향상제 및 아민 화합물의 혼합물을 함유하는 시너지 윤활유 조성물 |
| 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 |
Family Cites Families (14)
| 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 |
| US4552930A (en) * | 1981-08-22 | 1985-11-12 | Showa Denko Kabushiki Kaisha | Visbroken propylene-ethylene random copolymers, process and films |
| US4743391A (en) * | 1983-03-28 | 1988-05-10 | Chevron Research Company | Method for oxidatively degrading an olefinic polymer |
| US4749505A (en) * | 1985-07-08 | 1988-06-07 | Exxon Chemical Patents Inc. | Olefin polymer viscosity index improver additive useful in oil compositions |
| JPS63101438A (ja) * | 1986-10-17 | 1988-05-06 | Kayaku Nuurii Kk | 付加重合型プラスチツクの製造方法 |
| 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 (sk) | 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 NZ NZ501811A patent/NZ501811A/en unknown
- 1999-12-15 BG BG104015A patent/BG63722B1/bg unknown
- 1999-12-15 NO NO996213A patent/NO996213L/no not_active Application Discontinuation
- 1999-12-15 CA CA002292313A patent/CA2292313A1/en not_active Abandoned
- 1999-12-16 AU AU65298/99A patent/AU767675B2/en not_active Ceased
- 1999-12-16 EP EP99204356A patent/EP1013673B1/en not_active Expired - Lifetime
- 1999-12-16 ES ES99204356T patent/ES2237036T3/es not_active Expired - Lifetime
- 1999-12-16 DE DE69923284T patent/DE69923284T2/de not_active Expired - Lifetime
- 1999-12-16 AT AT99204356T patent/ATE287419T1/de not_active IP Right Cessation
- 1999-12-17 CZ CZ19994620A patent/CZ293026B6/cs not_active IP Right Cessation
- 1999-12-17 HR HR990389A patent/HRP990389A2/hr not_active Application Discontinuation
- 1999-12-20 US US09/466,793 patent/US6211332B1/en not_active Expired - Lifetime
- 1999-12-20 MY MYPI99005588A patent/MY119952A/en unknown
- 1999-12-20 UA UA99126958A patent/UA66795C2/uk unknown
- 1999-12-20 KR KR1019990059128A patent/KR20000048239A/ko not_active Application Discontinuation
- 1999-12-21 SK SK1830-99A patent/SK183099A3/sk unknown
- 1999-12-21 HU HU9904689A patent/HUP9904689A3/hu unknown
- 1999-12-21 PL PL99337357A patent/PL337357A1/xx not_active Application Discontinuation
- 1999-12-22 ID IDP991164D patent/ID24399A/id unknown
- 1999-12-22 CN CN99127778A patent/CN1117107C/zh not_active Expired - Lifetime
- 1999-12-22 JP JP36530499A patent/JP4860020B2/ja not_active Expired - Lifetime
- 1999-12-22 TR TR1999/03202A patent/TR199903202A2/xx unknown
- 1999-12-22 TW TW088122632A patent/TW585878B/zh not_active IP Right Cessation
- 1999-12-22 AR ARP990106709A patent/AR022004A1/es not_active Application Discontinuation
- 1999-12-22 BR BR9905941-0A patent/BR9905941A/pt not_active IP Right Cessation
-
2000
- 2000-02-21 EA EA200000147A patent/EA002491B1/ru not_active IP Right Cessation
Also Published As
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