FR2390496A1 - Agent de dispersion ameliorateur d'indice de viscosite a base de polymere etoile - Google Patents

Agent de dispersion ameliorateur d'indice de viscosite a base de polymere etoile

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Publication number
FR2390496A1
FR2390496A1 FR7813656A FR7813656A FR2390496A1 FR 2390496 A1 FR2390496 A1 FR 2390496A1 FR 7813656 A FR7813656 A FR 7813656A FR 7813656 A FR7813656 A FR 7813656A FR 2390496 A1 FR2390496 A1 FR 2390496A1
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FR
France
Prior art keywords
star polymer
viscosity index
dispersion agent
polymer based
index improver
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.)
Granted
Application number
FR7813656A
Other languages
English (en)
French (fr)
Other versions
FR2390496B1 (nl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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
Priority claimed from US05/795,676 external-priority patent/US4077893A/en
Priority claimed from US05/795,675 external-priority patent/US4141847A/en
Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of FR2390496A1 publication Critical patent/FR2390496A1/fr
Application granted granted Critical
Publication of FR2390496B1 publication Critical patent/FR2390496B1/fr
Granted legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C08G81/021—Block or graft polymers containing only sequences of polymers of C08C or C08F
    • C08G81/022—Block or graft polymers containing only sequences of polymers of C08C or C08F containing sequences of polymers of conjugated dienes and of polymers of alkenyl aromatic compounds
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/30—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
    • C08C19/42—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups
    • C08C19/44—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
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    • C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
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    • C10M129/04—Hydroxy compounds
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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Lubricants (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Graft Or Block Polymers (AREA)
FR7813656A 1977-05-11 1978-05-09 Agent de dispersion ameliorateur d'indice de viscosite a base de polymere etoile Granted FR2390496A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/795,676 US4077893A (en) 1977-05-11 1977-05-11 Star-shaped dispersant viscosity index improver
US05/795,675 US4141847A (en) 1977-05-11 1977-05-11 Star-shaped polymer reacted with dicarboxylic acid and amine as dispersant viscosity index improver

Publications (2)

Publication Number Publication Date
FR2390496A1 true FR2390496A1 (fr) 1978-12-08
FR2390496B1 FR2390496B1 (nl) 1980-07-04

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JP (1) JPS53139694A (nl)
CA (1) CA1108792A (nl)
DE (1) DE2820211A1 (nl)
FR (1) FR2390496A1 (nl)
GB (1) GB1568951A (nl)
NL (1) NL184275C (nl)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453889A1 (fr) * 1979-04-09 1980-11-07 Exxon Research Engineering Co Solutions de polymeres dans des solvants hydrocarbones douees d'une grande resistance a la degradation mecanique
EP0262691A3 (en) * 1981-08-13 1988-12-28 Asahi Kasei Kogyo Kabushiki Kaisha A modified block copolymer
EP0364058A2 (en) * 1988-10-13 1990-04-18 Shell Internationale Researchmaatschappij B.V. Process for preparing a dispersant/VI improver
US5272208A (en) * 1981-08-13 1993-12-21 Asahi Kasei Kogyo Kabushiki Kaisha Modified block copolymer composition
US5272209A (en) * 1981-08-13 1993-12-21 Asahi Kasei Kogyo Kabushiki Kaisha Modified block copolymer composition
US5278246A (en) * 1981-08-13 1994-01-11 Asahi Kasei Kogyo Kabushiki Kaisha Modified block copolymer and a process for producing the same
WO1996012755A1 (en) * 1994-10-21 1996-05-02 Exxon Chemical Patents Inc. Additives and oleaginous compositions
EP0837921A1 (en) * 1995-06-07 1998-04-29 Mobil Oil Corporation Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533582B1 (fr) * 1982-09-29 1987-03-20 Exxon Research Engineering Co Composition d'huile lubrifiante contenant un additif anti-frottement et son application pour diminuer les frottements dans un moteur a combustion interne
US4490267A (en) * 1982-12-31 1984-12-25 Shell Oil Company Preparation of a lubricating oil additive, an additive thus prepared _and a lubricating oil containing this additive
US4507466A (en) * 1983-01-07 1985-03-26 The Dow Chemical Corporation Dense star polymers having core, core branches, terminal groups
EP1557441A3 (de) * 2003-12-08 2006-06-28 Peter Dr. Wilharm Nukleierungsmittel auf der Basis von hyperverzweigten Polymeren
KR101789340B1 (ko) * 2009-07-08 2017-11-20 더루우브리졸코오포레이션 점도 조정제로서 유용한 중합체 블렌드
CA3145615C (en) 2019-07-08 2024-02-13 Byk-Chemie Gmbh Pour point depressant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903003A (en) * 1974-03-06 1975-09-02 Shell Oil Co Lubricating compositions containing an amido-amine reaction product of a terminally carboxylated isoprene polymer

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453889A1 (fr) * 1979-04-09 1980-11-07 Exxon Research Engineering Co Solutions de polymeres dans des solvants hydrocarbones douees d'une grande resistance a la degradation mecanique
US5183857A (en) * 1981-08-13 1993-02-02 Asahi Kasei Kogyo Kabushiki Kaisha Modified block copolymer and a process for producing the same
EP0371001A2 (en) * 1981-08-13 1990-05-30 Asahi Kasei Kogyo Kabushiki Kaisha A modified block copolymer
EP0371001A3 (en) * 1981-08-13 1992-04-01 Asahi Kasei Kogyo Kabushiki Kaisha A modified block copolymer
EP0262691A3 (en) * 1981-08-13 1988-12-28 Asahi Kasei Kogyo Kabushiki Kaisha A modified block copolymer
US5272208A (en) * 1981-08-13 1993-12-21 Asahi Kasei Kogyo Kabushiki Kaisha Modified block copolymer composition
US5272209A (en) * 1981-08-13 1993-12-21 Asahi Kasei Kogyo Kabushiki Kaisha Modified block copolymer composition
US5278246A (en) * 1981-08-13 1994-01-11 Asahi Kasei Kogyo Kabushiki Kaisha Modified block copolymer and a process for producing the same
EP0364058A2 (en) * 1988-10-13 1990-04-18 Shell Internationale Researchmaatschappij B.V. Process for preparing a dispersant/VI improver
EP0364058A3 (en) * 1988-10-13 1992-03-04 Shell Internationale Researchmaatschappij B.V. Process for preparing a dispersant/vi improver
US5906970A (en) * 1994-10-19 1999-05-25 Exxon Chemical Patents Inc. Additives and oleaginous compositions containing a dendrine coldflow improver additive
WO1996012755A1 (en) * 1994-10-21 1996-05-02 Exxon Chemical Patents Inc. Additives and oleaginous compositions
EP0837921A1 (en) * 1995-06-07 1998-04-29 Mobil Oil Corporation Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
EP0837921A4 (en) * 1995-06-07 1998-10-07 Mobil Oil Corp DISPERSANTS ALSO CAPABLE OF IMPROVING THE VISCOSITY INDEX, SELECTED AMONG SELECTIVELY HYDROGENIC POLYMERS

Also Published As

Publication number Publication date
FR2390496B1 (nl) 1980-07-04
DE2820211C2 (nl) 1992-05-21
JPS53139694A (en) 1978-12-06
NL184275B (nl) 1989-01-02
CA1108792A (en) 1981-09-08
JPS6134724B2 (nl) 1986-08-09
NL184275C (nl) 1989-06-01
GB1568951A (en) 1980-06-11
NL7804898A (nl) 1978-11-14
DE2820211A1 (de) 1978-11-16

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