IT1123572B - Procedimento per la preparazione di additivi miglioratori dell'indice di viscosita'di oli lubrificanti per cracking in fase liquida di gomme sintetiche - Google Patents
Procedimento per la preparazione di additivi miglioratori dell'indice di viscosita'di oli lubrificanti per cracking in fase liquida di gomme sinteticheInfo
- Publication number
- IT1123572B IT1123572B IT25567/79A IT2556779A IT1123572B IT 1123572 B IT1123572 B IT 1123572B IT 25567/79 A IT25567/79 A IT 25567/79A IT 2556779 A IT2556779 A IT 2556779A IT 1123572 B IT1123572 B IT 1123572B
- Authority
- IT
- Italy
- Prior art keywords
- lubricants
- additives
- improving
- procedure
- preparation
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT25567/79A IT1123572B (it) | 1979-09-10 | 1979-09-10 | Procedimento per la preparazione di additivi miglioratori dell'indice di viscosita'di oli lubrificanti per cracking in fase liquida di gomme sintetiche |
US06/156,428 US4327237A (en) | 1979-09-10 | 1980-06-04 | Process for preparing viscosity index improvers for lubricating oils by cracking synthetic rubbers in the liquid phase |
GB8108926A GB2058086B (en) | 1979-09-10 | 1980-06-10 | Thermally cracked olefin copolymeric lube additive |
FR8014027A FR2464987A1 (fr) | 1979-09-10 | 1980-06-24 | Procede pour la preparation de produits ameliorant l'indice de viscosite par craquage de caoutchoucs synthetiques |
DE19803023789 DE3023789A1 (de) | 1979-09-10 | 1980-06-25 | Verfahren zur herstellung von mitteln zur verbesserung des viskositaetsindex von schmiermitteln. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT25567/79A IT1123572B (it) | 1979-09-10 | 1979-09-10 | Procedimento per la preparazione di additivi miglioratori dell'indice di viscosita'di oli lubrificanti per cracking in fase liquida di gomme sintetiche |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7925567A0 IT7925567A0 (it) | 1979-09-10 |
IT1123572B true IT1123572B (it) | 1986-04-30 |
Family
ID=11217117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25567/79A IT1123572B (it) | 1979-09-10 | 1979-09-10 | Procedimento per la preparazione di additivi miglioratori dell'indice di viscosita'di oli lubrificanti per cracking in fase liquida di gomme sintetiche |
Country Status (5)
Country | Link |
---|---|
US (1) | US4327237A (it) |
DE (1) | DE3023789A1 (it) |
FR (1) | FR2464987A1 (it) |
GB (1) | GB2058086B (it) |
IT (1) | IT1123572B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3326284C2 (de) * | 1983-07-21 | 1985-08-14 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Herstellung flüssiger Kohlenwasserstoffe |
US4906799A (en) * | 1988-11-02 | 1990-03-06 | Mobil Oil Corporation | Process for the production of reduced viscosity high VI hydrocarbon lubricant |
US5017279A (en) * | 1988-12-29 | 1991-05-21 | Exxon Research And Engineering Company | Multistep process for the manufacture of novel polyolefin lubricants from sulfur containing thermally cracked petroleum residua |
US5208403A (en) * | 1992-01-09 | 1993-05-04 | Mobil Oil Corporation | High VI lubricant blends from slack wax |
TW216443B (it) * | 1992-01-09 | 1993-11-21 | Mobil Oil Corp | |
NO304383B1 (no) * | 1996-09-06 | 1998-12-07 | Norske Stats Oljeselskap | FremgangsmÕte ved nedbryting av plast og/eller annet polymermateriale |
DE19730629C2 (de) * | 1997-07-17 | 2001-06-13 | Borealis Gmbh Schwechat Mannsw | Modifizierte, Methylensequenzen enthaltende Polymere, Verfahren zur Herstellung und Verwendung |
US6861568B1 (en) * | 1998-05-15 | 2005-03-01 | Wyoming Research Corporation | Process for waste plastic recycling |
CN109553781B (zh) * | 2018-10-15 | 2022-03-01 | 中国石油天然气股份有限公司 | 二元乙丙橡胶、提高二元乙丙橡胶剪切稳定性的方法及其应用 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL221844A (it) * | 1955-06-23 | |||
NL284428A (it) * | 1961-10-20 | |||
FR1338037A (fr) * | 1961-10-20 | 1963-09-20 | Hoechst Ag | Procédé de fabrication de copolymères éthylène-propylène amorphes possédant des propriétés améliorées |
US3524732A (en) * | 1965-12-13 | 1970-08-18 | Texaco Inc | Pour depressant composition |
US3441628A (en) * | 1965-12-13 | 1969-04-29 | Leuna Werke Veb | Process for producing waxlike low molecular ethylene polymers and copolymers |
DE1644941C3 (de) * | 1966-09-23 | 1978-06-22 | E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) | Legiertes Mineralschmieröl |
US3637503A (en) * | 1969-07-28 | 1972-01-25 | Gulf Research Development Co | Lubricating composition |
BE759713A (nl) * | 1969-12-12 | 1971-06-02 | Shell Int Research | Blokcopolymeren als viscositeitsindexverbeterende middelen |
GB1372381A (en) * | 1971-01-07 | 1974-10-30 | Burmah Oil Trading Ltd | Degraded polymers |
US3795616A (en) * | 1971-06-14 | 1974-03-05 | Gulf Research Development Co | Shear stable,multiviscosity grade lubricating oils |
US3992310A (en) * | 1971-11-16 | 1976-11-16 | The British Petroleum Company Limited | Copolymers |
US3790480A (en) * | 1972-12-29 | 1974-02-05 | Du Pont | Mineral oil composition |
DE2322234A1 (de) * | 1973-05-03 | 1974-11-21 | Basf Ag | Verfahren zur herstellung von mineralschmieroeladditiven |
JPS5219596B2 (it) * | 1973-09-06 | 1977-05-28 | ||
SU649728A1 (ru) * | 1975-03-07 | 1979-02-28 | Ордена Трудового Красного Знамени Институт Нефтехимических Процессов Им.Акад.Ю.Г.Мамедалиева Ан Азербайджанской Сср | Способ получени низкомолекул рных сополимеров |
-
1979
- 1979-09-10 IT IT25567/79A patent/IT1123572B/it active
-
1980
- 1980-06-04 US US06/156,428 patent/US4327237A/en not_active Expired - Lifetime
- 1980-06-10 GB GB8108926A patent/GB2058086B/en not_active Expired
- 1980-06-24 FR FR8014027A patent/FR2464987A1/fr active Granted
- 1980-06-25 DE DE19803023789 patent/DE3023789A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2058086A (en) | 1981-04-08 |
IT7925567A0 (it) | 1979-09-10 |
DE3023789C2 (it) | 1989-08-24 |
FR2464987B1 (it) | 1985-05-03 |
DE3023789A1 (de) | 1981-03-12 |
US4327237A (en) | 1982-04-27 |
FR2464987A1 (fr) | 1981-03-20 |
GB2058086B (en) | 1983-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970917 |