Patent application number | Description | Published |
20090017247 | POLYAMIDE HOSE FOR COMPRESSED AIR - The present invention relates to a multilayer hose for compressed air comprising, in this order:
| 01-15-2009 |
20090068386 | ALLOY COMPOSITION USEFUL FOR FLUID TRANSPORT OBJECTS - The present invention relates to a novel polyamide alloy composition that is useful for forming objects that may be used for the storage and transport of fluids. The polyamide alloy is a blend of at least one polyamide and at least one modified polyolefin having both medium to hard and soft domains. The polyamide forms the continuous phase of the alloy. The alloy may also contain, and preferably does contain, a thermal and light stabilization compound, at least one unmodified polyolefin, and at least one plasticizer. The polyamide alloy composition is useful in forming tanks, hoses and tubes used in the transport of liquid or gaseous fluids, including fluids under pressure. | 03-12-2009 |
20090252979 | ADHESIVE COMPOSITION AND STRUCTURE COMPRISING AT LEAST ONE LAYER OF THE SAID COMPOSITION - The invention relates to an adhesive composition comprising
| 10-08-2009 |
20090264601 | COPOLYMERS HAVING AMIDE UNITS AND ETHER UNITS WITH IMPROVED OPTICAL PROPERTIES - A subject-matter of the present invention is a copolymer based on amide units and based on ether units, the amide units being composed predominantly of an equimolar combination of at least one diamine and of at least one dicarboxylic acid, the diamine or diamines being predominantly cycloaliphatic and the dicarboxylic acid or acids being predominantly linear aliphatic, it being possible for the amide units optionally to comprise, but to a minor extent, at least one other polyamide comonomer, the respective proportions of monomers of the ether and amide units being chosen so that:
| 10-22-2009 |
20090269532 | MULTILAYER STRUCTURE COMPRISING AT LEAST ONE STABILIZED LAYER - The invention relates to a multilayer structure comprising at least two layers;
| 10-29-2009 |
20090306308 | AMORPHOUS COPOLYAMIDES COMPRISING P-BIS (AMINOCYCLOHEXYL) METHANE AND TEREPHTALIC ACID - The present invention relates to amorphous transparent copolyamides of formula: PACM.T/D.X/X1.Y1 resulting from the condensation of PACM, terephtalic acid, a diamine D, a diacid X, a diamine X1 and a diacid Y1 in which: PACM denotes the p-bis(aminocyclohexyl)methane, T denotes terephtalic acid, D denotes a diamine chosen from aromatic, arylaliphatic and cycloaliphatic diamines, X denotes a diacid HOOC—(CH | 12-10-2009 |
20090318630 | BLENDS AND ALLOYS BASED ON AN AMORPHOUS TO SEMICRYSTALLINE COPOLYMER, COMPRISING AMIDE UNITS AND COMPRISING ETHER UNITS, WHEREIN THESE MATERIALS HAVE IMPROVED OPTICAL PROPERTIES - Transparent blend or alloy comprising, by weight, the total being 100%: (A) 1 to 99% of at least one copolymer constituent: which is amorphous or has a crystallinity ranging up to semicrystallinity; and which comprises: (A1) amide units, among which is at least one cycloaliphatic unit; (A2) flexible ether units; (B) 99 to 1% of at least one polymer constituent selected from: (Ba) semicrystalline copolyamides comprising amide units (Ba1) and comprising ether units (Ba2), (Bb) semicrystalline polyamides or copolyamides without ether units, (Bc) transparent polyamides or copolyamides without ether units, which are amorphous or weakly crystalline, and alloys based on such polyamides or copolyamides; and (C) 0 to 50% by weight of at least one polyamide, copolyamide, copolyamide comprising ether units or alloy based on such polyamides or copolyamides other than those used in (A) and (B) above. The resulting blend or alloy has a high transparency such that the transmission at 560 nm on a plate 2 mm thick is greater than 50%. | 12-24-2009 |
20100137516 | IMPACT-RESISTANT COMPOSITION BASED ON A POLYAMIDE RESIN AND ON A BLEND OF AT LEAST ONE GRAFT COPOLYMER WITH POLYAMIDE BLOCKS AND A LOW-DENSITY ETHYLENE POLYMER - The invention relates to a composition based on an impact-resistant polyamide thermoplastic resin, comprising, as a blend:
| 06-03-2010 |
20100140846 | COMPOSITION BASED UPON A POLYAMIDE THAT IS AMORPHOUS AND TRANSPARENT OR HAS VERY LOW CRYSTALLINITY, AND UPON A COPOLYAMIDE WITH ETHER AND AMIDE UNITS - “Composition composed of a mixture of: 60 to 99% by weight of a polymer component (A) formed from at least one of the homopolyamides and copolyamides: a) that are transparent and amorphous or present crystallinity such that the enthalpy of fusion during the second heating of an DSC ISO (delta Hm(2) is at most 30 J/g, the mass being related to the number of amide units contained or polyamide contained, this melting corresponding to that of the amide units; b) presenting a glass transition temperature (Tg) of greater than 90° C.; and c) composed at least in part of cycloaliphatic and/or aromatic units, and/or alloys based on at least one previously cited homopolyamide or copolyamide, said alloys being amorphous or presenting crystallinity meeting the same definition as hereinabove; 40 to 1% by weight of a polymer component (B) formed by at least one copolyamide based on ether units and amide units; the polymer components (A)+(B) representing 100% by weight; where at least one among (A) and (B) may additionally contain at least one additive usual for thermoplastic polymers and copolymers, without the content of said additive or additive(s) in each of the polymer components (A) and (B) representing more than 30% by weight of the said polymer component.” | 06-10-2010 |
20110031155 | FLEXIBLE SEMICRYSTALLINE POLYAMIDES - The invention relates to a multilayer structure in which the inner layer is in contact with petrol or diesel fuel and comprising, in succession from the outside inwards:
| 02-10-2011 |
20110033665 | USE OF A MICROCRYSTALLINE POLYAMIDE TO OBTAIN A PARTICULAR SURFACE FINISH - The present invention relates to the use of a microcrystalline polyamide for obtaining an object having all or part of its outer surface formed from this microcrystalline polyamide and having a particular surface finish, in which:
| 02-10-2011 |
20140299220 | MULTILAYER STRUCTURE INCLUDING A LAYER OF A SPECIFIC COPOLYAMIDE AND A BARRIER LAYER - The invention relates to a multilayer structure including: a so-called outer layer (L1) consisting of a composition that primarily includes one or more semicrystalline copolyamides (H), the melting point of which is at least 220° C. and which contains at least 80 mol % of the following two units (s) and (a), wherein the (s) unit denotes one or more semiaromatic (s) units consisting of one of more sub-units from aromatic diacid (sr) and one or more sub-units from aliphatic diamine (sa) having 9 to 13 carbon atoms, and the (a) unit denotes one or more aliphatic units having 8 to 13 carbon atoms per nitrogen atom, the molar ratio (s)/(a) being 1 to 3; and a layer (L2) consisting of a composition primarily containing one or more tetrafluoroethylene (TFE) copolymers, said TFE copolymer being necessarily functionalized when layer (L2) is in contact with layer (L1) or with an intermediate layer that primarily includes one or more polyamides. The invention also relates to the uses of said multilayer structure for transporting fluids in the automotive field. | 10-09-2014 |
20140332063 | MULTILAYER POLYAMIDE FILM FOR REAR PANEL OF PHOTOVOLTAIC MODULE - The use of a multilayer polyamide film as a rear protective sheet in a photovoltaic module. Also, a photovoltaic module containing photovoltaic cells protected by an encapsulant, a front protective layer, and a rear protective layer, wherein the rear protective layer is formed by a multilayer polyamide film including: a CA layer including, as predominant polymer, at least one polyamide A exhibiting a mean number of carbon atoms per nitrogen atom of between 4 and 8, a CB layer including: (a) as predominant polymer, at least one polyamide B exhibiting a mean number of carbon atoms per nitrogen atom of between 8 and 15, the polyamide(s) B exhibiting a mean number of carbon atoms per nitrogen atom which is strictly greater than the mean number of carbon atoms per nitrogen atom of the polyamide(s) A, and (b) at least one additive for combating UV radiation. | 11-13-2014 |
20150065641 | TUBE CONNECTORS BASED ON A POLYAMIDE COMPOSITION - A tube connector made from a polyamide composition, the polyamide composition including at least one first polyamide A having an average number of carbon atoms per nitrogen atom C | 03-05-2015 |