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 sintetiche

Info

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
Application number
IT25567/79A
Other languages
English (en)
Other versions
IT7925567A0 (it
Inventor
Luigi Imparato
Giampaolo Gerbaz
Enrico Betta
Original Assignee
Anic Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anic Spa filed Critical Anic Spa
Priority to IT25567/79A priority Critical patent/IT1123572B/it
Publication of IT7925567A0 publication Critical patent/IT7925567A0/it
Priority to US06/156,428 priority patent/US4327237A/en
Priority to GB8108926A priority patent/GB2058086B/en
Priority to FR8014027A priority patent/FR2464987A1/fr
Priority to DE19803023789 priority patent/DE3023789A1/de
Application granted granted Critical
Publication of IT1123572B publication Critical patent/IT1123572B/it

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)
IT25567/79A 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 IT1123572B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970917