GB1145883A - Modified olefin polymers and processes for making them - Google Patents

Modified olefin polymers and processes for making them

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Publication number
GB1145883A
GB1145883A GB51723/66A GB5172366A GB1145883A GB 1145883 A GB1145883 A GB 1145883A GB 51723/66 A GB51723/66 A GB 51723/66A GB 5172366 A GB5172366 A GB 5172366A GB 1145883 A GB1145883 A GB 1145883A
Authority
GB
United Kingdom
Prior art keywords
effected
ethylene
hydroperoxide
modified olefin
olefin polymers
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.)
Expired
Application number
GB51723/66A
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering Co
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 US535817A external-priority patent/US3388067A/en
Application filed by Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of GB1145883A publication Critical patent/GB1145883A/en
Expired legal-status Critical Current

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    • C10M143/02—Polyethene
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    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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    • C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy
    • 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
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives

Abstract

1,145,883. Modified olefin polymers. ESSO RESEARCH & ENG. CO. 18 Nov., 1966 [21 March, 1966], No. 51723/66. Heading C3P. [Also in Division C5] Modified olefin polymers are prepared by intro - ducing at least one hydroperoxide radical into each molecule of a rubbery polymer of an α-mono-olefin having a viscosity average molecular weight of up to 500,000 and containing hydrogen atoms directly attached to tertiary carbon atoms, and reducing the thus hydroperoxidized polymer to a hydroxylated degraded polymer product having a viscosity average molecular weight of 10,000 to 150,000. Preferred polymers are ethylene/propylene copolymers and ethylene/propylene/non-conjugated diene terpolymers. Hydroperoxide groups may be introduced by oxidizing agents, e.g. oxygen gas and mixtures thereof, nitric oxide, nitrogen dioxide peracids, peroxides and cupric salts; and the reaction may be effected in the presence of conventional free radical initiators, e.g. peroxides and azo compounds; optionally in solution or suspension. The reduction, which may also be effected in solution or suspension, may be effected with triethyl phosphite, sodium sulphide, lithium aluminium hydride, sodium borohydride, tertiary phosphines, hydrazine hydrate, aluminium amalgam, hydriodic acid or zinc dust/acetic acid. The products are useful as viscosity index improvers in hydrocarbon oil compositions; if desired after halogenation with or without dehalogenation, sulphonation or sulphohalogenation. Examples describe the hydroperoxidation of ethylene/propylene rubbers with (1, 2 and 4) air and cumene hydroperoxide and (5) air and cumene hydroperoxide, t-butyl peroxide or nitrogen dioxide; and reduction of the products with sodium sulphite.
GB51723/66A 1966-03-21 1966-11-18 Modified olefin polymers and processes for making them Expired GB1145883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US535817A US3388067A (en) 1966-03-21 1966-03-21 Oleaginous compositions of improved viscosities containing degraded ethylene-alpha olefin polymers

Publications (1)

Publication Number Publication Date
GB1145883A true GB1145883A (en) 1969-03-19

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Country Status (2)

Country Link
FR (2) FR1519025A (en)
GB (1) GB1145883A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093007A2 (en) * 1982-04-27 1983-11-02 The University of Glasgow, University Court Method of treating the surface of polymeric material
GB2127418A (en) * 1982-09-23 1984-04-11 Chevron Res Lubricating oil containing hydroperoxidized ethylene copolymers and terpolymers as dispersants and v.i. improvers
EP1577325A1 (en) * 2002-12-27 2005-09-21 Nof Corporation Method for producing hydroxyl-modified ethylene-alpha-olefin copolymer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897353A (en) * 1972-12-29 1975-07-29 Texaco Inc Method of preventing haze in oil concentrates containing an amorphous ethylene-propylene copolymer viscosity index improver
US4926582A (en) * 1988-06-02 1990-05-22 E. I. Dupont De Nemours & Company Low pour crude oil compositions

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093007A2 (en) * 1982-04-27 1983-11-02 The University of Glasgow, University Court Method of treating the surface of polymeric material
EP0093007A3 (en) * 1982-04-27 1984-09-05 The University of Glasgow, University Court Method of treating the surface of polymeric material
GB2127418A (en) * 1982-09-23 1984-04-11 Chevron Res Lubricating oil containing hydroperoxidized ethylene copolymers and terpolymers as dispersants and v.i. improvers
EP1577325A1 (en) * 2002-12-27 2005-09-21 Nof Corporation Method for producing hydroxyl-modified ethylene-alpha-olefin copolymer
EP1577325A4 (en) * 2002-12-27 2006-12-13 Nof Corp Method for producing hydroxyl-modified ethylene-alpha-olefin copolymer
US7652105B2 (en) 2002-12-27 2010-01-26 Nof Corporation Method for producing hydroxyl-modified ethylene-α-olefin copolymer

Also Published As

Publication number Publication date
FR94893E (en) 1970-01-16
FR1519025A (en) 1968-03-29

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