Patent application number | Description | Published |
20110160407 | NOVEL POLYAMIDEIMIDES AND PREPARATION AND COMPOSITIONS COMPRISED THEREOF - Novel semi-aromatic polyamideimides are prepared by melt polymerization of at least one organic compound having carboxyl groups, of at least one diamine compound and, optionally, of at least one diacid compound; such novel polyamideimides are formulated into compositions based on a thermoplastic matrix. | 06-30-2011 |
20130001822 | COMPOSITE POLYESTER ARTICLE - A method for manufacturing a composite article is described that includes a step of impregnating a reinforcing fabric with a semi-aromatic polyester composition in the molten state, having a melt viscosity η of 20 Pa·s to 200 Pa·s. The reinforcing fabric can be maintained at a temperature of plus or minus 50° C. relative to the melting temperature of the polyester. | 01-03-2013 |
20130115836 | COMPOSITE POLYAMIDE ARTICLE - The use of a polyamide modified by hydroxyl aromatic compounds used to impregnate reinforcement materials assuming the form of industrial fabric cloth for manufacturing composite materials is described. Also described, is a composite material produced and a method by which the composite material is produced. Further, the method by which the composite material is produced can include: | 05-09-2013 |
20130150524 | SULFONATE-MODIFIED POLYAMIDE HAVING IMPROVED BARRIER PROPERTIES - The use of a polyamide modified by sulfonate functions which has improved barrier properties is described. Further described is the use of a sulfonate, aliphatic or aromatic compound for manufacturing a modified polyamide having improved fluid-barrier properties. The composition as described includes a modified polyamide, which is optionally a composition in the form of granules or powder used in manufacturing articles by an injection or extrusion blow-molding method. | 06-13-2013 |
20130153643 | POLYAMIDE COMPOSITION FOR SURFACE-MOUNTED COMPONENTS - A polyamide composition for surface-mounted components is described. Also described are compositions for surface-mounted components (SMCs) including a semiaromatic polyamide modified by a hydroxyaromatic compound, reinforcing fillers, and a flame retardant. Further, the compositions have many advantages linked to the uses thereof in lead-free reflow soldering processes, in particular a good dimensional stability and a blistering resistance during the use of articles produced from these compositions. | 06-20-2013 |
20130253115 | HEAT-STABILIZED POLYAMIDE COMPOSITION - A polyamide composition is described that is stabilized with respect to heat. The composition can have a polyhydric alcohol-based stabilization system that is excellent in maintaining mechanical properties after exposure to heat. Also described, is a process for producing these compositions, and the use of these compositions for making various articles. | 09-26-2013 |
20130267664 | POLYAMIDE-POLYOLEFIN COPOLYMER - A polyamide-polyolefin block copolymer having a polyamide backbone and one or two polyolefin graft(s) on the backbone is described. Further described, is how the polyolefin graft(s) is (are) attached to the backbone via the residues of a function X-Y resulting from the reaction of a function X located at the polyolefin chain end and capable of reacting with an amine or carboxylic acid function Y of the polyamide. | 10-10-2013 |
20140135449 | NOVEL POLYAMIDE, PROCESS FOR PREPARING SAME AND USES THEREOF - The present invention relates to a novel polyamide synthesized from biosourced monomers. The novel polyamide comprises the repeating unit of formula I below: | 05-15-2014 |
20140342628 | THERMOPLASTIC (CO)POLYIMIDES AND SYNTHESIS METHODS - The invention relates to navel thermoplastic (co)polyimides and to the methods of synthesis thereof. The invention specifically relates to semi-aromatic thermoplastic (co)polyimides obtained by polymerisation of at least one aromatic compound comprising two anhydride functions and/or the derivatives thereof, especially carboxylic acid and/or ester, and at least one diamine of formula (I) NH | 11-20-2014 |
20140371390 | THERMOPLASTIC COPOLYIMIDES - The present invention relates to semiaromatic and semicrystalline thermoplastic polyimides obtained by polymerization of at least one aromatic compound comprising two anhydride functions and/or carboxylic acid and/or ester derivatives thereof and a diamine comprising between 13 and 22 carbon atoms. These polyimides may be converted into plastic articles by various methods, such as injection-molding. | 12-18-2014 |
20150045501 | THERMOPLASTIC COPOLYIMIDES - The present invention relates to semiaromatic semicrystalline thermoplastic copolyimides obtained by polymerization of at least: (a) an aromatic compound comprising two anhydride functions and/or carboxylic acid and/or ester derivatives thereof; (b) a diamine of formula (I) NH2-R—NH2 in which R is a divalent aliphatic hydrocarbon-based radical optionally comprising heteroatoms, the two amine functions being separated by a number X of carbon atoms, X being between 4 and 12; and (c) a diamine of formula (II) NH2-R′—NH2 in which R′ is a divalent aliphatic hydrocarbon-based radical optionally comprising heteroatoms, the two amine functions being separated by a number Y of carbon atoms, Y being between 10 and 20; it being understood that diamine (b) is different from diamine (c). | 02-12-2015 |