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 |
20090062551 | ELASTIC MATERIALS - The present invention relates to materials exhibiting the property of rubbery elasticity, consisting of molecules with a mass of between 9 and 9000 g/mol, all or some of the molecules having at least three groups (also referred to as “associative groups”) capable of associating via non-covalent interactions. | 03-05-2009 |
20090321694 | Optical 3D memory comprising multilayer particles that comprise a photoactive monomer bearing a photoisomerizable group - The invention relates to a core-shell-type multilayer particle comprising at least one layer B that comprises at least one photoactive monomer bearing a photoisomerizable chromophore and a rigid shell A. The photoactive monomer has the following formula (I): (I) in which: X denotes H or CH | 12-31-2009 |
20100063223 | COPOLYMER GRAFTED WITH POLYAMIDE, MATERIAL COMPRISING IT, PREPARATION PROCESS AND USES - The invention relates to a graft copolymer composed of a block copolymer of general formula B-(A) | 03-11-2010 |
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 |
20100190894 | GRAFT POLYMER AND THERMOREVERSIBLY CROSS-LINKED BITUMEN COMPOSITION COMPRISING SAID GRAFT POLYMER - The disclosure relates to a bitumen/polymer composition comprising at least one bitumen and at least one graft polymer, the grafts enabling the bitumen/polymer compositions to be thermoreversibly cross-linked. The disclosure also relates to the use of said bitumen/polymer compositions in fields of application relating to roads, especially in the production of asphalt binders, and in industrial fields of application. The disclosure further relates to the method for producing said thermoreversibly cross-linked bitumen/polymer compositions. | 07-29-2010 |
20100197835 | THERMOREVERSIBLY CROSSLINKED BITUMEN/POLYMER COMPOSITION - The disclosure relates to a bitumen/polymer composition comprising at least one bitumen and at least one graft polymer, the grafts enabling the bitumen/polymer compositions to be thermoreversibly cross-linked. The disclosure also relates to the use of said bitumen/polymer compositions in fields of application relating to roads, especially in the production of asphalt binders, and in industrial fields of application. The disclosure further relates to the method for producing said thermoreversibly cross-linked bitumen/polymer compositions. | 08-05-2010 |
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 |
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 |
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 |
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 |
20110245421 | METHOD FOR INCREASING POLYMER COMPATIBILITY - 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. | 10-06-2011 |
20110319524 | Epoxy Acid Thermoset Resins and Composites that Can Be Hot-Fashioned and Recycled - Resins and thermoset composites comprising them, these materials being able to be hot-fashioned. These compositions resulting from placing at least one thermosetting resin precursor, this thermosetting resin precursor comprising hydroxyl functions and/or epoxy groups, and optionally ester functions, in contact with at least one hardener chosen from carboxylic acids, in the presence of at least one transesterification catalyst whose total molar amount is between 5% and 25% of the total molar amount of hydroxyl and epoxy contained in the thermosetting resin precursor. Process for manufacturing these materials, process for transforming and process for recycling these materials. New solid forms of resins and of thermoset composites that may be used in the implementation of these processes. | 12-29-2011 |
20120029139 | BLOCK COPOLYMERS HAVING ASSOCIATIVE GROUPS, AND ADHESIVE CONTAINING SAME - The present invention relates to a hot-melt adhesive that comprises a block copolymer having associative groups containing a nitrogen heterocyclic compound. The invention also relates to block copolymers having associative groups specifically adapted for implementation in a hot-melt adhesive | 02-02-2012 |
20120059094 | GRAFT POLYMER AND THERMOREVERSIBLY CROSS-LINKED BITUMEN COMPOSITION COMPRISING SAID GRAFT POLYMER - The disclosure relates to a bitumen/polymer composition comprising at least one bitumen and at least one graft polymer, the grafts enabling the bitumen/polymer compositions to be thermoreversibly cross-linked. The disclosure also relates to the use of said bitumen/polymer compositions in fields of application relating to roads, especially in the production of asphalt binders, and in industrial fields of application. The disclosure further relates to the method for producing said thermoreversibly cross-linked bitumen/polymer compositions. | 03-08-2012 |
20130005914 | STYRENE/ANHYDRIDE POLYMERIC MATERIAL AND GRAFT HAVING ENHANCED PROPERTIES - 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. | 01-03-2013 |
20130131229 | PROCESS FOR PREPARING GRAFT POLYMERS WITHOUT INITIATOR AND WITHOUT SOLVENT AND BITUMEN/POLYMER COMPOSITIONS COMPRISING SAID GRAFT POLYMERS - A process for preparing graft polymers from a polymer is based on conjugated diene units and a graft which is a thiol derivative. The process has an absence of solvent and any radical initiator. The graft polymer can be advantageously be used as additive for a bitumen/polymer composition and in particular permits thermoreversible cross-linking. | 05-23-2013 |
20130237646 | THERMOREVERSIBLY CROSS-LINKED GRAFT POLYMERS - A graft polymer PG includes a polymer backbone P and at least one side graft G linked to the polymer backbone, the graft G having the general formula (1): in which R | 09-12-2013 |
20130300020 | HOT-FORMABLE AND RECYCLABLE EPOXY ANHYDRIDE THERMOSETTING RESINS AND THERMOSETTING COMPOSITES - Thermosetting resins and thermosetting composites comprising the thermosetting resins are hot-formable. The compositions result from contacting at least one thermosetting resin precursor with at least one hardener selected from acid anhydrides in the presence of at least one transesterification catalyst. The thermosetting resin precursor includes hydroxyl functions and/or epoxy groups, and optionally ester functions, and the total molar quantity of the transesterification catalyst is between 5 and 25% of the total molar quantity of hydroxyl and epoxy contained in the thermosetting resin precursor. Methods for manufacturing articles comprising the thermosetting resins and methods for recycling the thermosetting resins are also disclosed. | 11-14-2013 |
20140088223 | THERMOSET/SUPRAMOLECULAR HYBRID COMPOSITES AND RESINS THAT CAN BE HOT-FORMED AND RECYCLED - Thermoset/supramolecular hybrid composites and resins, resulting from bringing at least one thermosetting resin precursor, this thermosetting resin precursor comprising hydroxyl functions and/or epoxy groups, and optionally ester functions, into contact with at least one hardener chosen from carboxylic acids and acid anhydrides, and with at least one compound comprising, on the one hand, at least one associative group, and on the other hand at least one function enabling the grafting thereof to the thermosetting resin precursor, to the hardener or to the product resulting from the reaction of the thermosetting resin precursor and the hardener, in the presence of at least one transesterification catalyst. Process for manufacturing these materials, process for transforming and process for recycling these materials. Novel solid forms of hybrid composites and resins which can be used in the implementation of these processes. | 03-27-2014 |
20140088282 | SUPRAMOLECULAR INITIATOR FOR LATENT CATIONIC EPOXY POLYMERIZATION - A mixture may include at least one polymerizable species and at least one thermoresponsive supramolecular initiator complex involving a host-guest interaction. Processes for making resins may include mixing at least one polymerizable species with at least one thermoresponsive supramolecular initiator complex involving a host-guest interaction; subjecting the mixture to a temperature above about 30° C. thereby promoting the dissociation of the at least one thermoresponsive supramolecular initiator; and allowing the mixture to cure at the temperature for a period of time. | 03-27-2014 |
20140329939 | GRAFT POLYMER, AND THERMOREVERSIBLY CROSS-LINKED BITUMEN/POLYMER COMPOSITION CONTAINING SUCH A GRAFT POLYMER - A thermoreversibly cross-linked graft polymer, which may be used in bituminous asphalt, includes: a main polymer chain P consisting of conjugated diene units; at least one side graft G having the following general formula (1): R—(OCH | 11-06-2014 |