Exxon Research and Engineering Company

Exxon Chemical Patents, Inc.

Robert R Phillips

Robert D Lundberg

Dennis G Peiffer

Ilan Duvdevani

Jan Bock

Henry S Makowski

Antonio Gutierrez

James E McGrath

David Y Chung

Lee A McDougall

Douglas Brenner

Alan A Schetelich

Lowell Westerman

Robert Dean Lundberg

L Sherwood Minckler, Jr

In its broadest sense of the present invention comprises an aqueous emulsion containing water, a normally thermoplastic sulfonated polymer and a plasticizer that is substantially miscible in the polymer is, non-volatile and substantially insoluble in the water phase of the emulsion. The aqueous emulsion of the present invention is formed by polymerizing a sulfonate containing monomer with at least one non-sulfonate containing monomer in the aqueous phase in the presence of a free radical initiator and in the presence of a plasticizer that is substantially miscible in the polymer, is non-volatile and substantially water insoluble.

Plasticized sulfonated ionomers

The present invention provides novel sulfonated ethylene/alpha olefin copolymer compositions obtained by sulfonating ethylene/alpha olefin copolymer having number average molecular weights in the range of about 800 to about 50,000, and which have a high degree of terminal unsaturation. Preferably, at least 30% of the terminal unsaturation is vinylidene terminal unsaturation. Also, the alpha olefin preferably has 3 to about 12 carbon atoms.

Sulfonated olefinic copolymers

A polymeric solution comprising: water; about 0.005 to about 0.5 moles of an inorganic acid, an inorganic case or an inorganic salt per 100 ml of such water; and about 0.1 to about 5.0 grams of a polymeric complex per 100 grams of said water, said polymeric complex produced by the interaction of a first water soluble copolymer formed from a water soluble nonionic monomer and an anionic comonomer by a free radical copolymerization, said first water soluble nonionic monomer being selected from the group consisting of acrylamide, methacrylamide and vinylpyrrolidone, said anionic comonomer being about 1 to about 35 weight percent of said first water soluble copolymer, said anionic comonomer containing anionic groups, said anionic comonomer being selected from the group consisting of metal styrene sulfonate, metal vinyl sulfonate, and a metal salt of 2-acrylamide-2-methyl propane sulfonate; and a second water soluble copolymer formed from a second water soluble monomer and a cationic comonomer by a free radical copolymerization, said second water soluble monomer being selected from the group consisting of acrylamide, methacrylamide and vinyl pyrrolidone, said cationic comonomer being about 1 to about 34 weight percent of said second water soluble copolymer, said cationic comonmer containing cation group, said cationic comonomer being selected from the group consisting of N,N,N-trimethylammoniumpropylmethacrylamide and vinylpyridine or their quarternary salts, wherein the molar ratio of anionic to cationic functional groups in the water soluble polymer complex is about 50/1 to about 1.2/1 or from about 0.8/1 to about 1/50, said ratio always being such that there is at least an excess of said water soluble copolymers over the other said water soluble copolymer of at least about 20 mole percent.

Novel viscosifiers for salt-containing solutions based on polymer

A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of less than 9.5, a viscosity, as measured at 25.degree. C., of less than 200 centipoises and said organic liquid is selected from the group consisting of mineral oils, synthetic oils, naphthanes, alkanes, cycloalkanes and aromatics and mixtures thereof, which comprises incorporating in said organic liquid about 0.01 to 20 grams of polymer complex per 100 ml. of said organic liquid, said polymer complex being formed 'in situ' in said organic liquid or dissolved in said organic liquid, said complex being comprised of polymer A, containing about 4 meq. to 500 meq. of neutralized sulfonate groups, and polymer B, containing basic nitrogen groups, both functional groups being present at a level of from about 4 to 500 meq. per 100 g. of polymer, wherein polymer B has the formula: ##STR1## wherein x is about 50.0 to 99.8 weight percent and y is about 0.2 to about 50.0 weight percent, wherein said sulfonate groups of said polymer A being neutralized with basic compounds selected from the group consisting of transition elements, said polymer A having a polymeric backbone substantially soluble in said organic liquid and said polymer having a molecular weight of about 1,000 to 10,000,000.

Method for controlling viscosity of organic liquids and compositions

This invention relates to oil soluble additives particularly useful in lubricating oil compositions, and to concentrates or lubricating compositions containing these additives. The additives are various metal salts of mono- or dicarboxylic acids, anhydrides, esters, etc., which have been substituted with a high molecular weight hydrocarbon group, and derivatives thereof. The high molecular weight hydrocarbon group has a number average-molecular weight (M.sub.n) of greater than about 900. The metal salt additives are especially useful in combination with certain grafted ethylene-olefin copolymers or copolymers of 4-vinyl pyridine and esters of aliphatic mono-, di- or polycarboxylic acids as viscosifying agents.

Hydrocarbon soluble complexes based on metal salts of polyolefinic

The instant invention relates to a process for controlling the viscosity of organic liquids by incorporating in said liquid a minor amount of polymer complex, and optionally a cosolvent for the ionic groups of said polymer. The polymer complex comprises the reaction product of a metal neutralized sulfonated polymer and a basic nitrogen-containing polymer, wherein the polymer complex is substantially soluble in said organic liquid, and pendant sulfonate groups which are substantially insoluble in said organic liquid. The optional cosolvent is selected which will solubilize the pendant sulfonate groups and provide a reasonably homogeneous mixture of solvent, cosolvent and polymer complex. The preferred compositions prepared by the method of the instant invention comprise an organic liquid having a solubility parameter of from 6 to 10.5 in combination with a polymer complex containing from 0.2 up to 10.0 mole % sulfonate groups and nitrogen-containing groups, and optionally a nonvolatile alcohol or amine cosolvent.

A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of from about 6 to about 10.5, which comprises incorporating in said organic liquid a minor amount of a polymer complex, said complex being formed from the interaction of polymer A, containing neutralized sulfonate groups and polymer B, containing basic nitrogen groups, both functional groups being presented at a level of from about 4 to 500 meq. per 100 g. of polymer, wherein the polymeric backbone of polymer A and polymer B are the same.

A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of from about 6 to about 10.5, which comprises incorporating in said organic liquid a minor amount of a polymer complex, said complex being comprised of polymer A, containing neutralized sulfonate groups and polymer B, containing basic nitrogen groups, both functional groups being presented at a level of from about 4 to 500 meq. per 100 g. of polymer, wherein polymer B has the formula: ##STR1## wherein R.sub.1 is H or an alkyl group having about 1 to about 8 carbon atoms, R.sub.2 is an alkyl group having about 1 to about 18 carbon atoms, x is about 50.0 to 99.8 weight percent and x is about 0.2 to about 50.0 weight percent.

A composition comprising interacting a blend of a neutralized sulfonated polymer containing from about 4 meq. of metal sulfonate per 100 g. of polymer up to 200 meq. per 100 g. of polymer, said sulfonate polymer being at least 95% neutralized, complexed with a second polymer containing basic nitrogen atoms incorporated, pyridine copolymerized or grafted thereon, said polymer containing basic nitrogen from about 4 meq. up to 500 meq. per 100 g. of polymer, wherein the molar ratio of metal sulfonate groups to that of basic nitrogen atoms varies from about 0.03 to about 30; wherein said polymer containing basic nitrogen groups have the formula: ##STR1## wherein R.sub.1 is an alkyl group having about 1 to about 8 carbon atoms, R.sub.2 is an alkyl group having about 1 to about 18 carbon atoms, x is about 50 to about 99.8 wt. %, and y is about 0.2 to about 50 wt. %.

Novel polymer compositions based on sulfonated ionomers and amine

This invention relates to thermoplastic and/or elastomer blend compositions having a viscosity at 200.degree. C., at 0.73 sec.sup.-1 of about 5000 to about 5.times.10.sup.6 poises, wherein the compositions used for elastomeric articles which include a polymer complex of a neutralized sulfonated polymer and a polymer containing basic nitrogen atoms can also include about 25 to about 150 parts by weight of a nonpolar process oil per 100 parts of the polymer complex and about 50 to 300 parts by weight of a filler per 100 parts of the polymer complex. These blend compositions can be processed on conventional plastic fabrication equipment into polymeric articles having excellent physical properties.

Polymer compositions based on sulfonated ionomers and amine containing

This invention relates to unique and novel polymer complexes between a metal neutralized sulfonated polymer and a tertiary amine terminated polylactone composition. The resulting polymer complexes have a variety of uses including those as diverse as adhesive agents, thermoplastic elastomers, additive uses wherein these materials can be utilized to compatibilize two different polymers which are normally incompatible. These polymer complexes can also be blended with fillers and/or oils when the sulfonated polymer is elastomeric. The materials display thermoplastic character.

Polymer complexes of a neutralized ionic polymer and a polycaprolactone

The instant invention relates to an improved process for controlling the viscosity of organic liquids at low temperatures by incorporating in said liquid a minor amount of an ionic polymer and a cosolvent for the ionic groups of said polymer. The ionic polymer comprises a backbone which is substantially soluble in said organic liquid and pendant ionic groups which are substantially insoluble in said organic liquid, wherein such ionic polymer or terpolymer is formed from at least one acrylate or methacrylate monomer having at least eight carbon atoms and a minor portion of a sulfonate-containing monomer. A cosolvent is selected which will solubilize the pendant ionomeric groups and provide a reasonably homogeneous mixture of solvent, cosolvent and ionomeric polymer. The preferred compositions prepared by the method of the instant invention comprise an organic liquid having a solubility parameter of from 6 to 10.5 in combination with a sulfonated co- or terpolymer containing from 0.2 up to 10.0 mole percent ionic groups which has been neutralized by a basic material selected from Group IA, IIA, IB and IIB of the Periodic Table of the Elements (also lead, tin and antimony) and a nonvolatile alcohol or amine cosolvent. In a most preferred embodiment, the solvent is a high boiling paraffinic-type oil, the polymer is a metal sulfonate containing acrylate or methacrylate copolymer, comprising from 0.3 to 3.0 weight percent sodium or potassium sulfonate groups, and a C.sub.6 to C.sub.12 alcohol, or C.sub.2 -C.sub.12 glycol, or C.sub.3 -C.sub.12 triol is used as the cosolvent.

Method for controlling viscosity of lubricating oils

The present invention relates to viscosification agents for aqueous solutions in which the viscosification agents are mixtures of water soluble polymer backbone containing an anionic comonomer and a copolymer of a water soluble polymer backbone containing a cationic comonomer.

Novel viscosifiers for aqueous fluids based on polymer complexes

The present invention relates to a process for the viscosification of an organic liquid which comprises the steps of forming a first solution of an anionic polymer dissolved in the organic liquid; forming a second solution of a cationic polymer dissolved in the organic liquid; and mixing the first and the second solutions together to form an interpolymer complex of the anionic and cationic polymer in the organic liquid, wherein the organic liquid containing the interpolymer complex has improved viscosification properties. This solution possesses higher viscosity than the mean of the separate viscosities of the starting solutions at relatively low solids content. Moreover, these interpolymer complexes, in hydrocarbon solutions, can be formulated to exhibit shear thickening at increased shear rates. This property is useful in such technological applications as antimisting of the solvent.

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Spring Lake Heights, NJ, United States of America

Robert R Phillips