Abstract: A polymeric material from the styrene family comprises macromolecular chains grafted by nitrogen-containing heterocyclic groups; wherein the macromolecular chains comprise a polymeric backbone to which a grafted agent is attached by at least one covalent bond, the grafting agent comprises, in a single molecule, one or more associative groups capable of being bound by hydrogen bonds, and one or more reactive groups capable of forming covalent bonds with the polymeric backbone, at least one of the associative groups of the modifier is an imidazolidone heterocyclic ring. The mean number of imidazolidone groups to be inserted into the macromolecular chains is dependent both on the mean mass of said chains and on the final properties to be imparted to the material. Objects such as tubes, films, plates, stiffeners, bottles and containers can be made.

Abstract: The invention relates to a method for increasing the compatibility between at least two polymers, which comprises: (a) selecting at least two immiscible polymers (A) and (B), at least one of which does not bear a nitrogenous heterocycle-based associative group, and (b) modifying the polymer (A) and/or the polymer (B) so as to obtain a blend of polymers (Pi) which are derived from the polymers (A) and (B) and which each bear nitrogenous heterocycle-based associative groups, said associative groups being present in sufficient amount for the polymers (Pi) to be more compatible with one another than the polymers (A) and (B). It also relates to the polymer composition that can be obtained according to this method.

Abstract: The present invention pertains to the field of thermosetting or thermoset polymers mainly used as materials, coatings or adhesives. The invention more specifically relates to the use of specific molecules having associative groups including a nitrogen heterocycle as a hardener or co-hardener of thermosetting polymers.

Abstract: A subject matter of the present invention is a composition comprising: (i) from 0.1 to 49 parts by weight of at least one thermoplastic condensation polymer; and (ii) from 51 to 99.9 parts by weight of at least one supramolecular polymer capable of being obtained by the reaction of at least one at least trifunctional compound (A) carrying first and second functional groups with: at least one compound (B) carrying, on the one hand, at least one reactive group capable of reacting with the first functional groups of (A) and, on the other hand, at least one associative group; and at least one at least bifunctional compound (C), the functional groups of which are capable of reacting with the second functional groups of the compound (A) in order to form ester, thioester or amide bridges.

Abstract: The present invention relates to a method for synthesizing a supramolecular material comprising: 1—the reaction of at least one carboxylic diacid, or ester or chloride of such a diacid, with, on the one hand, at least one modifier compound bearing both reactive functional groups capable of reacting with the carboxylic acid, ester or acid chloride functional groups and associative groups capable of associating with one another by hydrogen bonds, in a molar ratio of the reactive functional groups to the carboxylic acid, ester or acid chloride functional groups of between 0.10 and 0.50, and, on the other hand, at least one polyamine, said reactions being carried out successively or simultaneously, and 2—the reaction of the polyamide obtained at the end of step 1 with urea. The present invention also relates to the resulting material, and also to the uses thereof.

Abstract: The present invention relates to a method of preparing a material formed from arborescent-branched molecules comprising associative groups that includes the following successive steps: (a) the reaction of at least one at least trifunctional compound (A) bearing first and second functional groups with at least one bifunctional compound (B), the functional groups of which are capable of reacting with the first functional groups of the compound (A); and (b) the reaction of the compound(s) obtained in step (a) with at least one compound (C) bearing, on the one hand, at least one reactive group capable of reacting with the second functional groups of (A) and, on the other hand, at least one given associative group.

Abstract: The present invention relates to nitrogenous associative molecules comprising at least one unit rendering them capable of associating with one another or with a filler by noncovalent bonds, and comprising a function capable of reacting with a polymer containing unsaturations so as to form a covalent bond with said polymer.

Abstract: The invention relates to the field of plasticisers, compounds used as additives in polymers for facilitating the transformation thereof or modifying the mechanical properties thereof, especially rigidity.

Abstract: The invention relates to the field of plasticisers, compounds used as additives in polymers for facilitating the transformation thereof or modifying the mechanical properties thereof especially rigidity.

Abstract: The present invention relates to a salified copolymer that can be obtained by salification, in an aqueous medium, using at least one amine containing at least one nitrogenous heterocyclic group, of a copolymer obtained from at least one cyclic anhydride-based or carboxylic acid-based monomer and from at least one styrene-based monomer, such as a styrene/maleic anhydride (SMA) copolymer. It also relates to the process for producing this salified copolymer, to a composition containing same, and also to the use of this composition for surface-treating, in particular coating, sizing and finishing, paper or cardboard.

Abstract: The present invention relates to the use of a compound consisting of a linear saturated C8-C24 hydrocarbon-based chain bearing at each end a nitrogen-containing functional group, other than —NH2, for the storage of thermal energy. It also relates to a process for the storage and optionally for the release of thermal energy, comprising the contacting of a wall to be cooled with a first heat transfer fluid then of said first heat transfer fluid with a material comprising said compound and optionally the contacting of said material with a second heat transfer fluid then of said second heat transfer fluid with a wall to be heated.

Abstract: A polymeric material from the styrene family comprises macromolecular chains grafted by nitrogen-containing heterocyclic groups; wherein the macromolecular chains comprise a polymeric backbone to which a grafted agent is attached by at least one covalent bond, the grafting agent comprises, in a single molecule, one or more associative groups capable of being bound by hydrogen bonds, and one or more reactive groups capable of forming covalent bonds with the polymeric backbone, at least one of the associative groups of the modifier is an imidazolidone heterocyclic ring. The mean number of imidazolidone groups to be inserted into the macromolecular chains is dependent both on the mean mass of said chains and on the final properties to be imparted to the material. Objects such as tubes, films, plates, stiffenerss, bottles and containers can be made.

Abstract: The invention relates to a composition including at least one elastomer and at least one supramolecular polymer. The supramolecular polymer is obtained by the reaction of at least one trifunctional compound (A), having first and second functions, with: at least one compound (B) having at least one reactive group capable of reacting with the first functions of (A) and at least one associative group; and at least one at least bifunctional compound (C) having functions capable of reacting with the second functions of compound (A) in order to form ester, thioester and amide bridges.

Abstract: The invention concerns a polymer material consisting of macromolecular chains bound by hydrogen bonds, wherein: the macromolecular chains consist of a polymer skeleton whereon is fixed by at least one covalent bond a modifying agent, the modifying agent comprising, assembled in a common molecule, one or more associative groups capable of being bound by hydrogen bonds and one or more reactive groups capable of forming covalent bonds with the polymer skeleton, at least one of the associative groups of the modifying agent is an imidazolidone heterocycle, the macromolecular chains bear on average, 1 to 10 imidazolidone groups per chain. The average number of imidazolidone groups to be introduced into the macromolecular chains depends both on the average mass of said chains and the final properties desired for the material.

Abstract: The present invention relates to a bituminous composition comprising at least one bitumen and at least one polycondensate capable of forming a supramolecular assembly comprising one or more associative group(s). The present invention also relates to the use of such bituminous composition for the preparation of asphalt mixtures useful for the coating of rolling surfaces, for the preparation of water-proofing coatings, and the for the preparation of adhesive formulations.

Abstract: A polymeric material from the styrene family, consisting of macromolecular chains grafted by nitrogen-containing heterocyclic groups; wherein the macromolecular chains consist of a polymeric backbone to which a grafted agent is attached by at least one covalent bond, the grafting agent comprises, in a single molecule, one or more associative groups capable of being bound by hydrogen bonds, and one or more reactive groups capable of forming covalent bonds with the polymeric backbone, at least one of the associative groups of the modifier is an imidazolidone heterocyclic ring. The polymeric material of the invention can also be blended with other materials such as other polymers, and can thus be modified by elastomeric phases that enhance the impact strength thereof.

Abstract: The subject of the invention is the use of a grafted copolymer derived from the grafting: of an SMA copolymer (II) derived from the copolymerization of at least two monomers, (i) the first monomer being chosen from styrene and its derivatives and (ii) the second monomer including at least one anhydride function, with (iii) M-R-X molecules (I) including at least one pattern (M) chosen from patterns (1) to (4): formula (I), with A=oxygen, sulfur or NH; and including at least one chemical function (X) chosen from among halogen, a primary or secondary amine function, an alcohol function, a thiol function, a carboxylic acid function or a derivative of said function and an epoxy function, the pattern (M) and said function (X) being connected by a rigid or flexible chain (R); used as the majority composition or additive of liquid compositions intended to be applied in or on sheets of paper or cardboard, onto hard surfaces, on leather or on textiles.

Abstract: The present invention relates to olefin polymers having associative groups containing nitrogen heterocyclic compounds, to hot-melt adhesives including such polymers, and to method for producing same. Specifically, the invention relates to a polymer comprising units from ethylene and from a monomer having associative groups, said monomer including a polymerizing reactive group and an associative group containing nitrogen heterocyclic compounds.

Abstract: The present invention pertains to the field of thermosetting or thermoset polymers mainly used as materials, coatings, or adhesives. The invention more specifically relates to the use of specific molecules having associative groups including a nitrogen heterocycle as a hardener or co-hardener of thermosetting polymers.

Abstract: The invention includes a grafted copolymer derived from the grafting: of an SMA copolymer (II) derived from the copolymerization of at least two monomers, (i) the first monomer chosen from styrene and its derivatives and (ii) the second monomer including at least one anhydride functional group, with molecules belonging to the family of triazoles; used as the majority composition or additive of liquid compositions intended to be applied in or on sheets of paper or cardboard, onto hard surfaces, on leather or on textiles.