Abstract: A compound consisting of a linear saturated C8-C24 hydrocarbon-based chain bearing at each end a nitrogen-containing functional group, other than —NH2, is used for the storage of thermal energy. A process for the storage and optionally for the release of thermal energy comprises 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: The present invention relates to the use of monomers bearing associative groups in order to manufacture a supramolecular polycondensate, to certain of these monomers, to a process for manufacturing a supramolecular polycondensate, to the polycondensate obtained, and also to an article or a composition incorporating same.

Abstract: The invention relates to a supramolecular polymer obtained from the reaction of (i) an amine bearing a nitrogen-containing heterocyclic group: imidazolidone, trimethyleneurea or triazine, which is capable of associating by means of hydrogen bonds and (ii) at least one fatty acid monomer comprising at least one reactive function, a dimer of identical or different fatty acids and/or a trimer of identical or different fatty acids, or a derivative of said fatty acid(s) which is selected from a fatty acid ester, and a fatty acid chloride.

Abstract: The present invention relates to a method for preparing 1-(2-aminoethyl)imidazolidin-2-one or the thiocarbonyl thereof, and also to the product that can be obtained according to this method, and which has a purity of at least 98%, and to the uses thereof.

Abstract: The present invention relates to a method for preparing 1-(2-aminoethyl)imidazolidin-2-one or the thiocarbonyl thereof, and also to the product that can be obtained according to this method, and which has a purity of at least 98%, and to the uses thereof.

Abstract: The present invention relates to a method for preparing 1-(2-aminoethyl)imidazolidin-2-one or the thiocarbonyl thereof, and also to the product that can be obtained according to this method, and which has a purity of at least 98%, and to the uses thereof.

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: The present invention relates to a method for preparing 1-(2-aminoethyl)imidazolidin-2-one or the thiocarbonyl thereof, and also to the product that can be obtained according to this method, and which has a purity of at least 98%, and to the uses thereof.

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: 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: 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: The present invention relates to a process for the preparation of primary di- and/or triamines of high purity from nitriles which can themselves originate from dimer and/or trimer acids. This process comprises a stage of ammoniation of the acid functional groups and a stage of hydrogenation of the nitrile functional groups to give primary amine functional groups and does not require additional purification stage(s).

Abstract: The present invention relates to low-toxicity biodegradable compounds that inhibit metal corrosion, said compounds being salts obtained through the reaction of a carboxylic diacid with an imidazoline derivative. The invention also relates to the use of said corrosion-inhibiting compounds in all types of industries for drilling ore or fossil compounds, such as gas or oil.

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: The invention relates to a supramolecular polymer derived from the reaction between (i) an amine bearing a nitrogen-containing heterocyclic group: imidazolidone, trimethyleneurea or triazine, capable of joining together via hydrogen bonds with (ii) at least one fatty acid monomer comprising at least one reactive functional group, a dimer of identical or different fatty acids and/or a trimer of identical or different fatty acids, or a derivative of said fatty acid(s) chosen from a fatty acid ester, and a fatty acid chloride.

Abstract: The present invention relates to compounds of formula (I): R—(CH2)2—O-A-O—(CH2)2—R, in which A represents a divalent radical chosen from: and R represents —CN or —CH2NH2. In order to prepare them, acrylonitrile is reacted, via a Michael reaction, with a compound of formula (II): HO-A-OH, in which A is as defined above, in order to obtain a compound of formula (I) in which R represents —CN, and that the hydrogenation of the latter is carried out in order to obtain the corresponding compound of formula (I) in which R represents —CH2NH2. Use is made of a compound of formula (I) in which R represents —CH2NH2 as a polar head in a surfactant, or as a monomer for a condensation polymerization, in particular in the manufacture of polyamides, or else as a crosslinking agents.

Abstract: The invention concerns a composition comprising: (1) an asphaltene-free bituminous binder mixture, containing at least a plasticizing agent based on an aliphatic hydrocarbon compound, at least a structuring agent based on a cycloaliphatic hydrocarbon polymer and optionally a first polymer; (2) a coloured pigment; and (3) a second polymer selected among polyolefins, natural and synthetic rubbers and vinyl ethylene acetate copolymer.

Abstract: The invention relates to a method for preparing bromodifluoroacetic compounds which comprises converting a 1,1-difluoro-1,2-dibromodihaloethane with oleum having 50-70% SO3 to a bromodifluoroacetyl halide (bromide or chloride) and then in reacting the latter directly with either an alcohol, or with water.

Abstract: The invention concerns a procedure for preparation of N-(&ohgr;-bromoalkyl)phthalimides which consists of reacting potassium phthalimide with an &agr;,&ohgr;-dibromoalkane without cosolvent, at a temperature from 50° C. to 130° C. by using a molar ratio of &agr;,&ohgr;-dibromoalkane to potassium phthalimide from 2.5 to 6, then of removing excess &agr;,&ohgr;-dibromoalkane, under reduced pressure at a temperature equal to 150° C. at most, of taking up the reaction medium again with a low boiling point alcohol at a temperature near that of the boiling point of said alcohol, of filtering at this temperature, of cooling the filtrate obtained and then of recovering the N-(&ohgr;-bromoalkyl)phthalimide.

Abstract: The invention concerns a procedure for preparation of N-(&ohgr;-bromoalkyl)phthalimides which consists of reacting potassium phthalimide with an &agr;,&ohgr;-dibromoalkane without cosolvent, at a temperature from 50° C. to 130° C. by using a molar ratio of &agr;,&ohgr;-dibromoalkane to potassium phthalimide from 3 to 8, of cooling the reaction medium to about 80° C.-85° C., of washing it with water, of decanting, of removing excess &agr;,&ohgr;-dibromoalkane from the organic phase under reduced pressure, and then of crystallizing the N-(&ohgr;-bromoalkyl)phthalimide with a low boiling point alcohol.