| Patent application number | Description | Published |
|---|
| 20080221272 | Polymer Material Comprising Chains Bearing Imidazolidone Functions - 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. The inventive polymer material can be extruded, co-extruded, injected, blown, moulded, overmoulded, calandered, thermoformed. It can be used to produce articles such as tubes, films, plates, extruded strings, bottles, containers. The inventive polymer material can also be mixed with other materials such as other polymers, thus it is used for example as impact modifier or rheology regulator. The invention further concerns the use of said polymer material as compatibility agent in a composition comprising among others at least two polymers belonging to different classes of polymers. | 09-11-2008 |
| 20090170958 | USE OF PARTICULAR POLYMERS OR COPOLYMERS AS SURFACTANTS FOR STABILIZING LATICES - The invention relates to a composition comprising a latex and at least one copolymer that may be obtained via a monomer polymerization process, comprising a step of placing in contact, in a medium comprising water, the said monomer(s) with at least one initiator corresponding, for example, to the formula: | 07-02-2009 |
| 20090208441 | PROCESS FOR THE CONTROLLED RADICAL POLYMERIZATION OR COPOLYMERIZATION OF ONE OR MORE MONOMERS IN THE PRESENCE OF AN INITIATOR OF ALKOXYAMINE TYPE - The invention relates to a process for the polymerization of one or more monomers comprising a stage in which the said monomer or monomers is/are brought into contact, in a medium comprising water, with at least one specific initiator of the alkoxyamine type corresponding, for example, to the following formula: | 08-20-2009 |
| 20090281351 | NOVEL ALKOXYAMINES, PROCESS FOR THE PREPARATION THEREOF AND USE THEREOF IN RADICAL - The invention relates to an alkoxyamine of formula (I) below: | 11-12-2009 |
| 20100004349 | METHOD FOR PRODUCTION OF THERMOPLASTIC FOAMS - The present invention concerns a method for production of foams of thermoplastic polymer such as polyethylene, polypropylene, polystyrene, polyvinyl chloride. More specifically its goal is a method for production of thermoplastic foams comprising a premixing step of at least a thermoplastic polymer in the form of a divided solid with at least an ester of azocarboxylic acid. | 01-07-2010 |
| 20100120983 | STYRENE/ANHYDRIDE POLYMERIC MATERIAL AND GRAFT HAVING ENHANCED PROPERTIES - 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 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. The polymeric material of the invention can be extruded, coextruded, injected, blow-moulded, moulded, overmoulded, calendered or thermoformed. Objects such as tubes, films, plates, stiffenerss, bottles and containers can be made. 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. The polymeric material of the invention can be a component of masterbatches of additives such as pigments and fillers. The present invention further relates to the use of said polymeric material as a compatibilization agent in a composition including, inter alia, at least two polymers belonging to different polymeric classes.” | 05-13-2010 |
| 20100135940 | SEMI-CRYSTALLINE SUPRAMOLECULAR POLYMERS - 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. | 06-03-2010 |
| 20100249281 | USE OF GRAFTED SMA COPOLYMERS IN LIQUID COMPOSITIONS - 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 either (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); namely (iv) 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. | 09-30-2010 |
| 20100273965 | POLYMERIC ADDITIVES OBTAINED BY SALIFICATION OF COPOLYMERS - 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. | 10-28-2010 |
| 20110003872 | MATERIAL FORMED FROM DENDRITIC MOLECULES CONTAINING ASSOCIATIVE GROUPS - The present invention relates to a material comprising dendritic molecules each constituted of fragments that are at least bifunctional and of fragments that are at least trifunctional joined together by ester or thioester bridges, alone or in combination with amide or urea bridges, said bridges being formed from two functions carried by different fragments, said molecules containing, on the fragments located at the ends of the dendritic branches, associative end groups capable of forming associations with one another by hydrogen bonds and joined covalently to the functions that are not involved in said bridges. It also relates to the method of production thereof, as well as to its uses and to compositions, notably cosmetic, containing this material. | 01-06-2011 |
| 20110034593 | SUPRAMOLECULAR POLYMER-CONTAINING BITUMINOUS COMPOSITION - 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. | 02-10-2011 |
| 20110059280 | METHOD FOR SYNTHESIZING SUPRAMOLECULAR MATERIALS - 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. | 03-10-2011 |
| 20110065860 | METHOD FOR PREPARING A BLEND OF HALOGENATED POLYMER AND OF COPOLYMER BEARING ASSOCIATIVE GROUPS - The present invention relates to a method of preparing a polymer resin based on a halogenated vinyl polymer and a copolymer bearing associative groups, comprising the steps that consist in forming a latex of each of these polymers, blending said latices, then isolating and drying the polymers contained in said latices in order to form a pulverulent resin. The present invention also relates to said resin, to a pulverulent composition containing said resin, and also to the use of this composition for manufacturing rigid or plasticized materials. | 03-17-2011 |
| 20110065866 | Composition containing a halogenated vinyl polymer and a copolymer bearing associative groups - The present invention relates to a composition comprising: (a) at least one halogenated vinyl polymer and (b) at least one copolymer containing (i) units derived from a first monomer (A) rendering said copolymer compatible with said halogenated vinyl polymer and (ii) units derived from a second monomer (B) bearing at least one given associative group. The present invention also relates to the use of such a copolymer bearing associative groups, for improving certain properties of a halogenated vinyl polymer. The invention finally relates to the uses of the aforementioned composition. | 03-17-2011 |
| 20110077342 | METHOD FOR THE MULTI-STEP PREPARATION OF HALOGEN-CONTAINING COMPOSITE LATEX HAVING ASSOCIATIVE GROUPS - “The invention relates to a method for preparing a composite latex, including | 03-31-2011 |
| 20110135859 | POLYMER MATERIAL CONTAINING CHAINS BEARING IMIDAZOLIDONE FUNCTIONS - 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. | 06-09-2011 |
| 20110144264 | PROCESS FOR PREPARING STABILIZED LATICES BY EMULSION POLYMERIZATION - The invention relates to the use of poly(ethylene-co-propylene) glycol monoalkyl ether or polyethylene glycol monoalkyl ether or poly(ethylene-co-propylene) glycol or polyethylene glycol (meth)acrylic amide or ester monomers capable of contributing to stabilization in the course of a latex preparation process by emulsion polymerization of at least one polymerizable monomer in the presence of an ionizable polymerization initiator. | 06-16-2011 |
| 20110166293 | COMPOSITION CONTAINING (METH)ACRYLIC POLYMER AND COPOLYMER HAVING ASSOCIATIVE GROUPS - The present invention relates to a composition containing at least one (meth)acrylic polymer and at least one copolymer containing motifs from at least one first monomer (A), enabling compatibility with said (meth)acrylic polymer, and at least one second motif (B) carrying an associative group. The invention also relates to the use of such a copolymer having associative groups to improve the properties of a (meth)acrylic polymer. The invention also relates to uses of the abovementioned composition. | 07-07-2011 |
