Abstract: Polymeric compositions well suited for conversion into electroconductive shaped articles, e.g., films, comprise at least one convertible polymer (Pm) and at least one amphiphilic organic compound (B) which comprises a charge transfer complex or a radical ion salt having the formula (I): D.sub.d A.sub.a Z.sub.z, in which D is an electron donor; A is an electron acceptor; Z is a doping agent which itself can be a non-amphiphilic electron donor or electron acceptor, with the proviso that at least one of D and A is amphiphilic and contains at least one saturated or unsaturated hydrocarbon substituent having at least 10 carbon atoms; d is a number equal to or greater than 0; a is a number equal to or greater than 0; and z is a number equal to or greater than 0, with the further proviso that at least one of the symbols d and a is a number greater than 0.

Abstract: Polymeric compositions well suited for conversion into electroconductive shaped articles, e.g., films, comprise at least one convertible polymer (Pm) and at least one amphiphilic organic compound (B) which comprises a charge transfer complex or a radical ion salt having the formula (I): D.sub.d A.sub.a Z.sub.z, in which D is an electron donor; A is an electron acceptor; Z is a doping agent which itself can be a non-amphiphilic electron donor or electron acceptor, with the proviso that at least one of D and A is amphiphilic and contains at least one saturated or unsaturated hydrocarbon substituent having at least 10 carbon atoms; d is a number equal to or greater than 0; a is a number equal to or greater than 0; and z is a number equal to or greater than 0, with the further proviso that at least one of the symbols d and a is a number greater than 0.

Abstract: Polymeric compositions well suited for conversion into electroconductive shaped articles, e.g., films, comprise at least one convertible polymer (Pm) and at least one amphiphilic organic compound (B) which comprises a charge transfer complex or a radical ion salt having the formula (I): D.sub.d A.sub.a Z.sub.z, in which D is an electron donor; A is an electron acceptor; Z is a doping agent which itself can be a non-amphiphilic electron donor or electron acceptor, with the proviso that at least one of D and A is amphiphilic and contains at least one saturated or unsaturated hydrocarbon substituent having at least 10 carbon atoms; d is a number equal to or greater than 0; a is a number equal to or greater than 0; and z is a number equal to or greater than 0, with the further proviso that at least one of the symbols d and a is a number greater than 0.

Abstract: Polymer particles which carry, implanted on their surface, amphiphilic molecules carrying ion-forming or reactive groups, and dispersions thereof, which may be prepared by contacting a latex of particles of a polymer having a glass transition temperature Tg greater than about 40.degree. C., with an amphophilic compound having an HLB greater than or equal to 10 and a molecular weight greater than or equal to 400. The contacting is carried out at a temperature within the glass transition zone of the polymer, until enmeshing of the polymer chains and of the hydrophobic blocks of the amphiphilic compound has been achieved. The hydrophilic block of the amphiphilic compound carries at least one ion-forming or reactive group. The particles and their dispersions are useful in biological applications.

Abstract: A composition of matter, particularly useful as a viscosity additive comprising:6 to 15 parts by weight of a 60/40-54/46 ethylene/propylene copolymer of Mw 155,000-250,000 (OCP),2 to 8 parts by weight of a poly(C.sub.1 -C.sub.20 alkyl methacrylate) of Mw 30,000-150,000 (PMA) with a PMA/OCP ratio of 1/5 to 1/1, andthe complement to 100 parts by weight of diluent oil. Also disclosed are lubricating compositions comprising the above additive composition, preferably in an amount of from 0.1 to 10% by weight based on the weight of lubricating oil.

Abstract: Magnetizable microspheres, optionally in aqueous dispersion, consisting of a matrix of at least one organopolysiloxane optionally bearing Si-vinyl groups or reactive and/or ionic units and magnetizable particles less than 300 angstroms in diameter encapsulated in the matrix. The magnetizable microspheres are prepared by homogenizing a solution of the organopolysiloxane and a magnetic fluid in the presence of water and a surfactant, removing the solvent for the organopolysiloxane and the carrier liquid of the magnetic fluid, and at least partially removing the water. The magnetizable microspheres are useful in biological applications as active supports.

Abstract: Polymer particles which carry, implanted on their surface, amphiphilic molecules carrying ion-forming or reactive groups, and dispersions thereof, which may be prepared by contacting a latex of particles of a polymer having a glass transition temperature Tg greater than about 40.degree. C., with an amphiphilic compound having an HLB greater than or equal to 10 and a molecular weight greater than or equal to 400. The contacting is carried out at a temperature within the glass transition zone of the polymer, until enmeshing of the polymer chains and of the hydrophobic blocks of the amphiphilic compound has been achieved. The hydrophilic block of the amphiphilic compound carries at least one ion-forming or reactive group. The particles and their dispersions are useful in biological applications.

Abstract: Polymer particles possessing, implanted on their surface, amphiphilic molecules carrying ion-forming or reactive groups, and dispersions thereof, prepared by diffusing, into a previously prepared aqueous seeding dispersion of polymer particles, an organosoluble polymerization initiator, swelling the particles of the dispersion thus obtained by introducing a monomer composition comprising at least one monomer and at least one amphiphilic compound, and polymerizing the monomer composition.

Abstract: Crosslinkable polymers having about 1 to 100% of units derived from an unsaturated ester of furoic acid of the formula: ##STR1## where R denotes hydrogen or an alkyl group, R' denotes a straight-chain or branched alkylene group and n denotes an integer from 1 to 4, and 0 to about 99% of units from an unsaturated monomer which is copolymerizable with the ester. The crosslinkable polymers may be in the form of latices. The crosslinkable polymers are prepared by polymerization of the unsaturated ester of furoic acid and, if appropriate, an unsaturated comonomer, in aqueous emulsion. The polymers and latices can be used in the manufacture of coatings.

Abstract: Latex of an interpolymer composed of (1) a copolymer A of butadiene, styrene and at least one ethylenically unsaturated carboxylic acid, and (2) a polymer B of at least one halogenoalkyl or halogenoacetoxyalkyl ester of an ethylenically unsaturated monocarboxylic or dicarboxylic acid, polymer B being at least partially grafted onto the copolymer A.The latex is prepared by the emulsion polymerization of butadiene, styrene and at least one copolymerizable, ethylenically unsaturated carboxylic acid to form a copolymer latex, followed by the polymerization in the presence of the copolymer latex of a halogenoalkyl or halogenoacetoxyalkyl ester of an ethylenically unsaturated monocarboxylic or dicarboxylic acid.The latex may be used as a binder in aqueous compositions for coating paper.

Abstract: Latex of an interpolymer composed of (1) a copolymer A of butadiene, styrene and at least one ethylenically unsaturated carboxylic acid, and (2) a polymer B of a halogenohydroxyalkyl ester of an ethylenically unsaturated monocarboxylic or dicarboxylic acid, polymer B being at least partially grafted onto the copolymer A. The latex is prepared by the emulsion polymerization of butadiene, styrene and at least one copolymerizable, ethylenically unsaturated carboxylic acid, followed by the polymerization, in the presence of the copolymer latex, of a halogenohydroxyalkyl ester of an ethylenically unsaturated monocarboxylic or dicarboxylic acid. The latex may be used as a binder in aqueous compositions for coating paper.

Abstract: Interpolymer latex and process for the preparation thereof, in which the latexes are aqueous dispersions of particles having a diameter which is essentially between 0.1 and 1 .mu.m of an interpolymer comprising a copolymer A of butadiene, styrene and at least one ethylenic unsaturated carboxylic acid and a polymer B of bis(2-chloroethyl)vinylphosphonate which is at least partly grafted onto copolymer A. They can be used in particular as binders, more particularly in the paper coating industry and in the textile industry.

Abstract: Non-woven fabrics and in particular cloths for hygiene use, comprising a layer of fibers which are fixed by at least one binder. The binder is an interpolymer comprising a copolymer A of butadiene, styrene and at least one ethylenic unsaturated carboxylic acid and a polymer B of bis(2-chloroethyl)vinylphosphonate which is at least partly grafted onto copolymer A, having enhanced suitability for heat sealing and increased hydrophilia.

Abstract: Novel lubricating oil polymer additives are obtained by the following:(1) by preparing, by anionic polymerization, a living diene polymer of an Mn of between about 20,000 and 300,000;(2) by functionalizing the said polymer by means of a non-polymerizable nitrogen compound having at least two <C--N=C> groups, such as the polypyridines, pyrimidine and its derivatives, pyrazine and its derivatives, 2,4,6-tri-(2-pyridyl)-1,3,5-triazine, dipyridyl sulfide, etc.; and(3) by hydrogenating the said functionalized polymer.A variant method of preparaing the said polymers comprises metalating the living polymer before functionalization; in accordance with this variant, the hydrogenation operation may take place before metalation or after functionalization.The said polymers can be used as additives which improve the viscosity index and the dispersing power of the lubricating oils. The amount of additive added is between about 0.1 and 10 percent by weight.

Abstract: Novel lubricating oil polymer additives are obtained by the following:(1) by preparing, by anionic polymerization, a living diene polymer of Mn of between about 20,000 and 300,000;(2) by functionalizing the said polymer by means of an N-substituted lactam of the type of N-alkylcaprolactam, N-binylcaprolactam, and particularly of the type of N-alkylpyrrolidione and N-vinylpyrrolidone; and(3) by hydrogenating the said functionalized polymer.A variant method of preparing the said polymers comprises subjecting the living polymer to a metalation operation before functionalization; the hydrogenation operation is carried out before metalation or after functionalization.The said polymers may be used as additives which improve the viscosity index and the dispersing power of lubricating oils. The amount of additive added is between about 0.1 and 10 percent by weight.

Abstract: Graft copolymer formed by reacting at least one polymerizable vinyl compound, in monomeric or polymerized form, with a hydrogenated polymer or copolymer selected from the hydrogenated homopolymers of conjugated dienes of 4-6 carbon atoms, the hydrogenated copolymers of at least 2 conjugated dienes and the hydrogenated copolymers of styrene and conjugated dienes of 4-6 carbon atoms, said hydrogenated polymer or copolymer having an average molecular weight ranging from 10,000 to 300,000 and a residual olefinic unsaturation lower than 15%.

Abstract: Graft copolymer formed by reacting at least one polymerizable vinyl compound in monomeric or polymerized form, with a hydrogenated polymer or copolymer selected from the hydrogenated homopolymers of conjugated dienes of 4-6 carbon atoms, the hydrogenated copolymers of at least 2 conjugated dienes and the hydrogenated copolymers of styrene and conjugated dienes of 4-6 carbon atoms, said hydrogenated polymer or copolymer having an average molecular weight ranging from 10.000 to 300.000 and a residual olefinic unsaturation lower than 15%.

Abstract: Graft polymers based upon butadiene, alkyl acrylate, methyl methacrylate and styrene, for the improvement of the impact strength of homo- or co-polymers of vinyl chloride. Use is made of a backbone polymer formed of a butadiene-alkyl acrylate copolymer which is agglomerated and grafted with methyl methacrylate, styrene and possibly a cross-linking monomer. The composition, mixtures of homo- or co-polymers of vinyl chloride and graft polymers are usable for the manufacture of plates, bottles, wrapping sheets and bottles for packaging liquids.

Abstract: Additives for oils prepared by polymerizing by an anionic process at least one vinyl aromatic compound and at least one conjugated diene in the presence of a solvent, followed by hydrogenation of the formed copolymer in the presence of the solvent, in which the solvent is a support oil having a viscosity within the range of 1 to 24 cst at 50.degree.C, a flash point of at least 120.degree.C and a pour point which is no greater than -10.degree.C.