Process for the preparation of a compatibilizer for concentrated polymer blends and compatibilizer product
A process is provided for the preparation of a graft copolymer compatibilizer useful at low levels for blending with separately prepared olefin copolymers and polymethacrylate polymers to form a stable, concentrated, polymer blend. The polymer blend, as well as the compatibilizer, are useful lubrica...
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| creator | LAI CHUNG-YIN NEVEU CHRISTIAN D GALLUCCIO RICHARD A |
| description | A process is provided for the preparation of a graft copolymer compatibilizer useful at low levels for blending with separately prepared olefin copolymers and polymethacrylate polymers to form a stable, concentrated, polymer blend. The polymer blend, as well as the compatibilizer, are useful lubricating oil additives concentrates which contain at least 80 weight percent polymethacrylate segments. The polymer blend may be further diluted with a hydrocarbon oil to form a lubricating fluid. The polymer blend offers the benefit of the thickening power of olefin copolymers, the low temperature viscosity characteristics of polymethacrylates, and is stable for prolonged periods without phase separation. |
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The polymer blend, as well as the compatibilizer, are useful lubricating oil additives concentrates which contain at least 80 weight percent polymethacrylate segments. The polymer blend may be further diluted with a hydrocarbon oil to form a lubricating fluid. The polymer blend offers the benefit of the thickening power of olefin copolymers, the low temperature viscosity characteristics of polymethacrylates, and is stable for prolonged periods without phase separation.</description><edition>4</edition><language>eng</language><subject>ADHESIVES ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; DYES ; FUELS ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; POLISHES ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><creationdate>1986</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860909&DB=EPODOC&CC=US&NR=4611031A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860909&DB=EPODOC&CC=US&NR=4611031A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LAI; CHUNG-YIN</creatorcontrib><creatorcontrib>NEVEU; CHRISTIAN D</creatorcontrib><creatorcontrib>GALLUCCIO; RICHARD A</creatorcontrib><title>Process for the preparation of a compatibilizer for concentrated polymer blends and compatibilizer product</title><description>A process is provided for the preparation of a graft copolymer compatibilizer useful at low levels for blending with separately prepared olefin copolymers and polymethacrylate polymers to form a stable, concentrated, polymer blend. 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| subjects | ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION |
| title | Process for the preparation of a compatibilizer for concentrated polymer blends and compatibilizer product |
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