C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
The present invention describes a process for preparing a poly(aryl ether ketone) by reacting a nucleophile with 4,4′-difluorobenzophenone (4,4′-DFBP) that is improved through the use of 4,4′-DFBP that meets one or more particular purity conditions. Also described are improved poly(aryl ether ketone) produced using the invention 4,4′-DFBP. Amounts of 2,4′-difluorobenzophenone (2,4′-DFBP), 4-monofluorobenzophenone (4-FBP), chlorine, and monochloromonofluorobenzophenone in 4,4′-DFBP are discussed.
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
The presence of certain impurities in diphenyl sulfone have a deleterious effect on the properties of the poly(aryletherketone)s produced therein, including one or more of color, melt stability, molecular weight, crystallinity, etc. and here identify those impurities and provide processes for the recovery of the diphenyl sulfone.
C08G 8/02 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols de cétones
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
An ammunition article is provided which comprises a casing and a cap wherein the casing is formed from a polymeric material that has a room temperature notched Izod impact value greater than about 10 ft lbs/in and then has a ratio of notched Izod impact value at room temperature to notch Izod impact value at about −40° C. of less than about 4.
The presence of certain impurities in diphenyl sulfone have a deleterious effect on the properties of the poly(aryletherketone)s produced therein, including one or more of color, melt stability, molecular weight, crystallinity, etc. and here identify those impurities and provide processes for the recovery of the diphenyl sulfone.
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
C08G 8/02 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols de cétones
An ammunition article is provided which comprises a casing and a cap wherein the casing is formed from a polymeric material that has a room temperature notched Izod impact value greater than about 10 ft lbs/in and then has a ratio of notched Izod impact value at room temperature to notch Izod impact value at about −40° C. of less than about 4.
A method for reducing the concentration of poly(aryl ether ketone) in an original polymer composition that is exposed to an aggressive chemical environment that is more aggressive against poly(biphenyl ether sulfone) than it is against the poly(aryl ether ketone) while maintaining or exceeding at least one of the original polymer composition's tensile strength, tensile modulus, flexural strength and flexural modulus retention ratio after exposure to the aggressive chemical environment.
Improved needles made of a particular plastic material Needle comprising a polyarylene material comprising a polyarylene. The needle can meet all the advantages of metal, while avoiding its drawbacks. It has a high rigidity and ductility, and is excellent in penetrability and ability to hold a sharp edge. It is easily disposable and recyclable. It is non toxic and non irritant.
A61M 5/32 - AiguillesParties constitutives des aiguilles relatives au raccordement de celles-ci à la seringue ou au manchonAccessoires pour introduire l'aiguille dans le corps ou l'y maintenirDispositifs pour la protection des aiguilles
A61M 5/00 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaireAccessoires à cet effet, p. ex. dispositifs de remplissage ou de nettoyage, appuis-bras
9.
Method for the manufacture of poly(aryl ether ketone)s in the presence of sodium carbonate
3) having a certain particle size distribution and its use in preparing poly(aryl ether ketone)s, especially PEEK. Poly(aryl ether ketone)s made using the described sodium carbonate. A method for providing a sodium carbonate having a certain particle size distribution, which is especially well suited for the preparation of poly(aryl ether ketone)s.
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
The presence of certain impurities in diphenyl sulfone have a deleterious effect on the properties of the poly(aryletherketone)s produced therein, including one or more of color, melt stability, molecular weight, crystallinity, etc. and here identify those impurities and provide processes for the removal of such impurities.
Flexible pipe (fP) suitable for transporting hydrocarbons, said flexible pipe comprising at least one polymer layer (L) composed of a polymer composition (C) comprising at least one poly(aryl ether ketone) (P1), and at least one per(halo)fluoropolymer (P2). The poly(aryl ether ketone) (P1) and the per(halo)fluoropolymer (P2) are advantageously homogeneously distributed in the polymer composition (C). The polymer composition (C) is profitably prepared by a method comprising tumble blending the per(halo)fluoropolymer (P2) on one hand, and the poly(aryl ether ketone) (P1) or part of the poly(aryl ether ketone) (P1) on the other hand.
C08L 27/12 - Compositions contenant des homopolymères ou des copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un halogèneCompositions contenant des dérivés de tels polymères non modifiées par un post-traitement chimique contenant du fluor
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
C08L 27/00 - Compositions contenant des homopolymères ou des copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un halogèneCompositions contenant des dérivés de tels polymères
12.
Fire resistant, high flow poly(aryl ether sulfone) composition
Polymer composition (C) containing (i) a poly(aryl ether sulfone) material (M12) composed of a poly(biphenyl ether sulfone) (P1) and, optionally in addition, a poly(aryl ether sulfone) (P2) containing recurring units with arylene groups linked to each other via a secondary, ternary or quaternary carbon atom, and (ii) a per(halo)fluoropolymer material (M34), composed of a per(halo)fluoropolymer (P3) of which at least 2.0 wt. % of the recurring units are derived from a per(halo)fluoromonomer other than tetrafluoroethylene, and a polytetrafluoroethylene (P4). Shaped article, especially aircraft interior component, comprising the polymer composition (C).
C08F 283/00 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères prévus par la sous-classe
C08G 73/06 - Polycondensats possédant des hétérocycles contenant de l'azote dans la chaîne principale de la macromoléculePolyhydrazidesPolyamide-acides ou précurseurs similaires de polyimides
C08G 73/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant de l'azote, avec ou sans oxygène ou carbone, non prévus dans les groupes
A composition including a poly(biphenylether sulfone) and microparticles. A composition including a poly(aryl ether sulfone), a polyetherimide and/or a polycarbonate, and high crush strength glass hollow microspheres having a crush strength greater than 15,000 psi. Articles made from the compositions. Aircrafts, cars and other vehicles comprising compounds made from the compositions.
C08J 9/32 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement à partir de compositions contenant des microbilles, p. ex. mousses syntactiques
Method for making a hollow body comprising, as sole layer(s), at least one layer L1 consisting of a polyamide composition comprising an aromatic polyamide and an impact modifier, said method comprising extruding the polyamide composition through a die.
B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
B29C 47/00 - Moulage par extrusion, c. à d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désirée; Appareils à cet effet (moulage par extrusion-soufflage B29C 49/04)
B32B 37/00 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons
The present invention relates to a polymer composition comprising (i) at least one semi-aromatic polyamide having a melting point of at least 270°C, (ii) at least one organophosphorous compound selected from phosphinates, diphosphinates and condensation products thereof and (iii) at least 0.01 wt. %, based on the total weight of the composition, of calcium oxide.
Fasteners, such as bolts, nuts and screws, rivets, pins, and retaining rings, made of a highly kinked rigid-rod polyarylene exhibiting outstanding characteristics, notably a high torque and a high tensile elongation, a measure of practical toughness.
A61L 27/18 - Matériaux macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone
A61L 27/26 - Mélanges de matériaux macromoléculaires
B21H 3/02 - Fabrication de corps hélicoïdaux ou de corps ayant certaines parties de forme hélicoïdale de corps à filetage extérieur
B21H 3/08 - Fabrication de corps hélicoïdaux ou de corps ayant certaines parties de forme hélicoïdale de corps à filetage intérieur
C08G 61/10 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aromatiques, p. ex. polyphénylènes
A61L 27/18 - Matériaux macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone
A61L 27/26 - Mélanges de matériaux macromoléculaires
B21H 3/02 - Fabrication de corps hélicoïdaux ou de corps ayant certaines parties de forme hélicoïdale de corps à filetage extérieur
B21H 3/08 - Fabrication de corps hélicoïdaux ou de corps ayant certaines parties de forme hélicoïdale de corps à filetage intérieur
C08G 61/10 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aromatiques, p. ex. polyphénylènes
A prosthetic device made of a first specific type of polyarylene, taken alone or in combination with a second specific type of polyarylene, featuring some unexpected advantages such as a very high strength and stiffness, good elongation properties, high chemical resistance, good biocompatibility as well as an outstanding impact resistance.
A composition, having an improved resistance to yellowing under heat aging, comprising at least 20 weight % of at least one polycondensation polymer having a heat deflection temperature of above 80° C. under a load of 1.82 MPa when measured according to ASTM D648, from 0 to 5 weight % of at least one polymer having a heat deflection temperature of at most 80° C. under a load of 1.82 MPa when measured according to ASTM D648, a white pigment; and a black pigment provides resistance to heat aging induced yellowing. The polycondensation polymers are advantageously selected from the group consisting of polyarylethersulfones, at least partially aromatic polyamides, polyamideimides, liquid crystalline polymers, polyimides, polyetherimides, polyaryletherketones, and polyphenylene sulfides. The polymer composition can be molded to form a variety of articles, including LED components, such as reflectors, reflector cups, and scramblers.
C08K 3/00 - Emploi de substances inorganiques en tant qu'adjuvants
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
C08L 79/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement de l'azote, avec ou sans oxygène ou carbone, non prévues dans les groupes
C08L 81/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement du soufre, avec ou sans azote, oxygène ou carboneCompositions contenant des polysulfonesCompositions contenant des dérivés de tels polymères
H01L 33/00 - DISPOSITIFS À SEMI-CONDUCTEURS NON COUVERTS PAR LA CLASSE - Détails
22.
Thermoplastic polymer mixtures, and applications thereof
the weight amount of the poly(aryl ether ketone) (P1), based on the combined weight of the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2), is of at most 90%.
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
A polyester containing polymerized units of hydroquinone; 4,4'-biphenol; and hydroxybenzoic acid; terephthalic acid and optionally isophthalic acid. A method of forming a polyester including first acylating a mixture of hydroquinone; 4,4'-biphenol; terephthalic acid and optionally isophthalic acid; and hydroxybenzoic acid; and then polycondensing the resulting acylated mixture. The polyester is suitable for uses such as lighting where high whiteness, high reflectivity and high heat resistance are desirable.
C08G 63/185 - Acides contenant des cycles aromatiques contenant plusieurs cycles aromatiques
C08G 63/60 - Polyesters dérivés soit d'acides hydroxycarboxyliques, soit d'acides polycarboxyliques et de composés polyhydroxylés dérivés de la réaction d'un mélange d'acides hydroxycarboxyliques, d'acides polycarboxyliques et de composés polyhydroxylés
24.
POWER LED DEVICE WITH A REFLECTOR MADE OF AROMATIC POLYESTER AND/OR WHOLLY AROMATIC POLYESTER
H01L 33/60 - DISPOSITIFS À SEMI-CONDUCTEURS NON COUVERTS PAR LA CLASSE - Détails caractérisés par les éléments du boîtier des corps semi-conducteurs Éléments de mise en forme du champ optique Éléments réfléchissants
C08G 63/185 - Acides contenant des cycles aromatiques contenant plusieurs cycles aromatiques
C08G 63/60 - Polyesters dérivés soit d'acides hydroxycarboxyliques, soit d'acides polycarboxyliques et de composés polyhydroxylés dérivés de la réaction d'un mélange d'acides hydroxycarboxyliques, d'acides polycarboxyliques et de composés polyhydroxylés
25.
IMPROVED PROCESS FOR PREPARING A POLY(ARYL ETHER KETONE) USING A HIGH PURITY 4,4'-DIFLUOROBENZOPHENONE
The present invention describes a process for preparing a poly(aryl ether ketone) by reacting a nucleophile with 4,4'-difluorobenzophenone (4,4'-DFBP) that is improved through the use of 4,4'-DFBP that meets one or more particular purity conditions. Also described are improved poly(aryl ether ketone) produced using the invention 4,4'-DFBP. Amounts of 2,4'-difluorobenzophenone (2,4'-DFBP), 4-monofluorobenzophenone (4-FBP), chlorine, and monochloromonofluorobenzophenone in 4,4'-DFBP are discussed.
The present invention relates to sodium carbonate (Na2CO3) having a certain particle size distribution and its use in preparing poly(aryl ether ketone)s, especially PEEK. Poly(aryl ether ketone)s made using the described sodium carbonate also make up a part of the invention. The present invention relates also to a method for providing a sodium carbonate having a certain particle size distribution, which is especially well suited for the preparation of poly(aryl ether ketone)s.
C08G 65/00 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule
27.
IMPROVED METHOD FOR THE MANUFACTURE OF POLY(ARYL ETHER KETONE)S AND IMPROVED METHOD FOR PROVIDING A SODIUM CARBONATE SUITABLE FOR THE MANUFACTURE OF POLY(ARYL ETHER KETONE)S
The present invention relates to sodium carbonate (Na2CO3) having a certain particle size distribution and its use in preparing poly(aryl ether ketone)s, especially PEEK. Poly(aryl ether ketone)s made using the described sodium carbonate also make up a part of the invention. The present invention relates also to a method for providing a sodium carbonate having a certain particle size distribution, which is especially well suited for the preparation of poly(aryl ether ketone)s.
The presence of certain impurities in diphenyl sulfone have a deleterious effect on the properties of the poly(aryletherketone)s produced therein, including one or more of color, melt stability, molecular weight, crystallinity, etc. and here identify those impurities and provide processes for the removal of such impurities.
The invention relates to a process for the manufacture of a fiber or foil comprising at least one optionally functionalized polymer with a high Tg selected from the group consisting of poly(aryl ether sulfone) (PAES), poly(aryl ether ketone) (PAEK) and aromatic polyimide, comprising the steps of (aa) providing a solution comprising at least 45 wt. %, based upon the weight of the solution, of the polymer, and at least 20 wt. %, based upon the weight of the solution, of at least one halogen-free organic solvent (S1) for the polymer; (bb) pushing the solution through a nozzle; and (cc) introducing the solution into a coagulation bath comprising (cc1) at least one liquid (L1) in which the polymer is insoluble, and optionally (cc2) at least one organic solvent (S2) for the polymer, identical to or different from the organic solvent (S1), to form a fiber or foil. The invention moreover relates to a fiber or foil obtained by this process as well as to fibers or foils with specific porosity features and/or mechanical properties.
D01F 6/66 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir de produits d'homopolycondensation à partir de polyéthers
D01F 6/74 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir de produits d'homopolycondensation à partir de polycondensats de composés cycliques, p. ex. à partir de polyimides, polybenzimidazoles
30.
FLEXIBLE PIPES MADE OF A POLYARYLETHERKETONE / PERFLUOROPOLYMER COMPOSITION
Flexible pipe (fP) suitable for transporting hydrocarbons, said flexible pipe comprising at least one polymer layer (L) composed of a polymer composition (C) comprising at least one poly(aryl ether ketone) (P1), and at least one per(halo)fluoropolymer (P2). The poly(aryl ether ketone) (P1) and the per(halo)fluoropolymer (P2) are advantageously homogeneously distributed in the polymer composition (C). The polymer composition (C) is profitably prepared by a method comprising tumble blending the per(halo)fluoropolymer (P2) on one hand, and the poly(aryl ether ketone) (P1) or part of the poly(aryl ether ketone) (P1) on the other hand.
C08G 65/00 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
A polyarylene composition containing one or more polyarylenes and one or more sterically hindered phenolic stabilizers. The polyarylene composition has enhanced resistance to discoloration and degradation under thermal stress.
Polyarylene compositions including one or more organic substances. The organic substances can be selected from the group consisting of a paraffin, an olefin, an olefin oligomer, an alkoxylated acyclic carboxylic acid, an alkoxylated acyclic carboxylic acid amide, an acyclic carboxylic acid, an acyclic carboxylic acid ester, an acyclic carboxylic acid alkali metal salt, an acyclic carboxylic acid amide, an alkoxylated acyclic alcohol, an acyclic alcohol, an alkoxylated alkyl phenol and an alkyl phenol. The organic substances provide improved processability. Further inclusion of a sterically hindered phenol provides tougher polyarylene compositions.
between 25 and 100 mole %, based on the total number of moles of recurring units (R2), of kink-forming arylene units (R2b), optionally substituted by at least one monovalent substituting group.
Article or part of an article comprising the blend (B).
C08L 69/00 - Compositions contenant des polycarbonatesCompositions contenant des dérivés des polycarbonates
C08G 61/10 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aromatiques, p. ex. polyphénylènes
B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
C08L 65/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant une liaison carbone-carbone dans la chaîne principaleCompositions contenant des dérivés de tels polymères
34.
FIRE RESISTANT, HIGH FLOW POLY(ARYL ETHER SULFONE) COMPOSITION
Polymer composition (C) containing (i) a poly(aryl ether sulfone) material (M12) composed of a poly(biphenyl ether sulfone) (P1) and, optionally in addition, a poly(aryl ether sulfone) (P2) containing recurring units with arylene groups linked to each other via a secondary, ternary or quaternary carbon atom, and (ii) a per(halo)fluoropolymer material (M34), composed of a per(halo)fluoropolymer (P3) of which at least 2.0 wt. % of the recurring units are derived from a per(halo)fluoromonomer other than tetrafluoroethylene, and a polytetrafluoro ethylene (P4). Shaped article, especially aircraft interior component, comprising the polymer composition (C).
C08G 75/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant du soufre, avec ou sans azote, oxygène ou carbone
the layer (L2) comprises at least one polymer composition (C2) comprising: (i) at least one un-functionalized polyolefin (PO2); (ii) at least one functionalized polyolefin (FPO2), the functionalized polyolefin comprising functional groups chosen from carboxylic groups, their esters, their anhydrides and their salts.
Process for manufacturing such multilayer structure, which comprises co-extruding or co-blowmolding polymer compositions (C1) and (C2) so as to obtain one couple (L1-L2) of adjacent layers (L1) and (L2).
Shaped article comprising such multilayer structure and process for manufacturing the shaped article.
Polymer composition (C) containing (i) a poly(aryl ether sulfone) material (M12) composed of a poly(biphenyl ether sulfone) (P1) and, optionally in addition, a poly(aryl ether sulfone) (P2) containing recurring units with arylene groups linked to each other via a secondary, ternary or quaternary carbon atom, and (ii) a per(halo)fluoropolymer material (M34), composed of a per(halo)fluoropolymer (P3) of which at least 2.0 wt. % of the recurring units are derived from a per(halo)fluoromonomer other than tetrafluoroethylene, and a polytetrafluoro ethylene (P4). Shaped article, especially aircraft interior component, comprising the polymer composition (C).
C08G 75/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant du soufre, avec ou sans azote, oxygène ou carbone
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
38.
COPOLYMERS OF DIBENZODIAZOCINE WITH DIFUNCTIONAL MONOMERS CONTAINING SULFONE AND/OR KETONE UNITS
Copolymers comprising recurring units (A) of one or more of the general structural formulae -D-G-Arb-G-, -G-D-G- Arb,- and/or -D-G- on one hand, and recurring units (B) of one or more of the general structural formulae -Ara-G-Arb,- G-, -G-Ara-G-Arb,- and/or -Ara-G- on the other hand, wherein D is a dibenzodiazocine-containing divalent group, Ara is a dibenzodiazocine-free divalent group containing a sulfone unit and/or a ketone unit, Ara, is a dibenzodiazocine-free divalent group, and G is an ether or a thiether group. Preferably, recurring units (A) are of the general structural formula -D-G-Arb-G- and recurring units (B) are of the general structural formula -Ara-G-Arb,-G-. Method for the preparation of the copolymers, compositions and articles made of the copolymers are also part of the invention.
C08G 65/00 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule
C08G 65/34 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
The invention concerns a polymer comprising sulfone groups, ketone groups and optionally substituted polyarylene groups, wherein the number of moles of sulfone groups over the number of moles of ketone groups ratio is greater than 1. Process for making it, composition and articles made therefrom are also part of the invention.
Gamma radiation sterilizable, reinforced polymer composition (C) comprising: at least one semi-aromatic polyamide (PA), at least one filler (F) selected from platy fillers, acicular fillers and fibrous fillers, and at least one inorganic pigment (IP) having a Mohs hardness of at most 4.5 and a refractive index of at least 1.70.
Flame resistant and color stabilized polymer composition (P) comprising : - at least one semi- aromatic polyamide (PA); - at least one flame retardant (FR) selected from the group consisting of phosphinic salts, diphosphinic salts, polymers of these and mixtures thereof; - at least one hindered phenol stabilizer (HPS); - at least one phosphite and/or phosphonite stabilizer (PS); with the proviso that said composition is either free of stabilizer containing at least one sterically hindered amine moiety (SHAS) or comprises said stabilizer (SHAS) in an amount not higher than about 15 % by weight of the total weight of (HPS) + (PS) + (SHAS).
Medical tubing (T), such as a guidewire, a stent or a catheter, made of a kinked rigid-rod polyarylene exhibiting a outstanding characteristics including high torqueability, high pushability and high flexibility and which can be easily thin-wall extruded under especially harsh conditions.
A61L 29/06 - Matériaux macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
A61L 31/06 - Matériaux macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
A prosthetic device comprising at least one part consisting of a polymer composition comprising at least one polyarylene (P1) and at least one polyarylether selected from the group consisting of poly(aryl ether ketone)s (P2) and poly(aryl ether sulfone)s (P3).
A prosthetic device made of a first specific type of polyarylene, taken alone or in combination with a second specific type of polyarylene, featuring some unexpected advantages such as a very high strength and stiffness, good elongation properties, high chemical resistance, good biocompatibility as well as an outstanding impact resistance.
The present invention relates to a new aromatic polyimide composition containing an aromatic polyimide and a polyarylene of a specific type, and to articles and parts of articles made thereof.
C08F 283/00 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères prévus par la sous-classe
C08F 283/04 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères prévus par la sous-classe sur des polycarbonamides, des polyesteramides ou des polyimides
46.
IMPROVED POLY(ARYLETHERKETONE)S AND PROCESS FOR MAKING THEM
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
C08L 71/10 - Polyéthers dérivés de composés hydroxylés ou de leurs dérivés métalliques de phénols
The invention relates to new fluorinated sulfone polymers e xhibiting outstanding properties. In particular, the inve nted polymers exhibit improved flame retardancy and/or lower thermal rele ase on combustion, while also featuring excellent optical properties, including low color, colorability and transparency. The invention further relates to methods of manufacturing the invented polymers, compositions containing such polymers, a nd articles made from such polymers.
Blend (B) comprising : - at least one polyimide (P1), of which more than 50 wt. % of the recurring units (R1) comprise at least one aromatic ring, at least one imide group and 0 to 1 ether group (- O -); - at least one aromatic sulfone polymer (P2); - at least one polyimide (P3), of which more than 50 wt. % of the recurring units (R3) comprise at least one aromatic ring, at least one imide group and at least two ether groups (- O -).
C08L 79/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement de l'azote, avec ou sans oxygène ou carbone, non prévues dans les groupes
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide-acides ou précurseurs similaires de polyimides
C08L 79/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide-acides ou précurseurs similaires de polyimides
C08G 12/42 - Polycondensats modifiés chimiquement par éthérification
C08L 51/00 - Compositions contenant des polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères
C08L 61/00 - Compositions contenant des polymères de condensation d'aldéhydes ou de cétonesCompositions contenant des dérivés de tels polymères
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
Compositions comprising blends of polyphenylene and poly(aryl ether sulfone) and methods for making such blends are disclosed. Miscible blends of polyphenylene and poly(aryl ether sulfone) are also disclosed. The blends are useful in numerous applications such as in the preparation of articles and of foams having reduced density.
Article comprising at least one part having a bearing surface, said part being composed of a polymer composition comprising at least one poly(aryl ether ketone) (P1) and at least one poly(arylene sulfide) (P2), wherein : the combined weight of the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2), based on the total weight of the polymer composition is lower than 0.75, and the poly(arylene sulfide) (P2) over poly(aryl ether ketone), (P1) weight ratio is comprised between 0.2 and 0.8.
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
New flexible pipe Flexible pipe (fP) suitable for transporting hydrocarbons, said flexible pipe comprising at least one polymer layer (L) comprising at least one polymer material (M) comprising at least one polyarylene (P) Method for producing the flexible pipe (fP).
C08L 65/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant une liaison carbone-carbone dans la chaîne principaleCompositions contenant des dérivés de tels polymères
F16L 11/04 - Manches, c.-à-d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles
Flexible pipe (fP) suitable for transporting hydrocarbons, said flexible pipe comprising at least one polymer layer (L) composed of a polymer composition (C) comprising: at least one poly(aryl ether ketone) (P1), and at least one poly(aryl ether sulfone) (P2), wherein: the weight of the poly(aryl ether ketone ) (P1), based on the total weight of the poly(aryl ether ketone) (P1) and the poly(aryl ether sulfone) (P2), is from 35 % to 95 %, and the polymer composition (C) is free of epoxy resin modified by at least one aromatic polyamine, or comprises the said epoxy resin modified by at least one polyamine in a weight amount of at most 10 %, based on the total weight of the polymer composition (C). Method for producing the flexible pipe (fP).
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
B32B 27/06 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique
A filter assembly comprising a frame and a fabric mounted on said frame, wherein said fabric comprises fibers (F) comprising at least one polymer material (P) selected from the group consisting of a poly(biphenyl ether sulfone), a poly(imide sulfone) and blends thereof, and, passing through said filter assembly, a coal combustion flue gas.
D01F 6/76 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir de produits d'homopolycondensation à partir d'autres produits de polycondensation
D04H 1/00 - Non-tissés formés uniquement ou principalement de fibres coupées ou autres fibres similaires relativement courtes
D04H 3/00 - Non-tissés formés uniquement ou principalement de fils ou de matériaux filamenteux similaires de bonne longueur
F23J 15/00 - Aménagement des dispositifs de traitement de fumées ou de vapeurs
Fabric comprising a plurality of fibers (F) comprising at least one polymer material (P) selected from the group consisting of : (1) a blend (B12) composed of at least one poly(aryl ether ketone) and at least one poly(aryl ether sulfone); (2) a polymer (P3) comprising sulfone groups, ketone groups and arylene groups, and (3) a blend (B123) thereof. Filter assemblies and filtration systems incorporating such fabric.
D01F 6/66 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir de produits d'homopolycondensation à partir de polyéthers
D01F 6/76 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir de produits d'homopolycondensation à partir d'autres produits de polycondensation
D01F 6/94 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir de mélanges de produits de polycondensation comme constituant majeur avec d'autres polymères ou des composés de bas poids moléculaire d'autres produits de polycondensation
58.
THERMOPLASTIC POLYMER MIXTURES, AND APPLICATIONS THEREOF
Thermoplastic polymer mixture (M) comprising at least one poly(aryl ether ketone) (P1), at least one poly(arylene sulfide) (P2), and between 0 and 25 wt. % of the total weight of the thermoplastic mixture (M), of a thermoplastic polymer material (P3) consisting of (i) at least one poly(biphenyl ether sulfone) (P3a), and/or (ii) at least one poly(ether imide) (P3b), and/or at least one poly(ether imide sulfone) (P3c), wherein : the combined weight amount of the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2), based on the total weight of the polymer mixture (M), is of at least 30 %, and the weight amount of the poly(aryl ether ketone) (P1), based on the combined weight of the poly(aryl ether ketone) (P1) and the poly(arylene sulfide) (P2), is of at most 90%.
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
59.
POLYMER FIBERS, ASSEMBLIES INCORPORATING SUCH POLYMER FIBERS, AND SYSTEMS INCORPORATING SUCH FILTER ASSEMBLIES
A fiber includes a polymer material (P), which can be selected from the group consisting of : poly(aryl ether ketone)s; blends composed of at least one poly(aryl ether ketone) and at least one poly(aryl ether sulfone); poly(biphenyl ether sulfone)s; poly(aryl ether sulfone)s other than poly(biphenyl ether sulfone)s; polyamide-imides; polyarylenes; poly(imide sulfone)s; blends composed of at least one poly(arylene sulphide) and at least one poly(aryl ether sulfone); blends composed of at least one poly(biphenyl ether sulfone), such as a polyphenylsulfone, and at least one poly(aryl ether sulfone) other than a poly(biphenyl ether sulfone), such as a polyethersulfone or a polyetherethersulfone; and blends thereof. A filter can incorporate such fibers. A filtration system can incorporate such filter assemblies. The filtration system can be incorporated into a coal burning power generation plant.
D01F 6/66 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir de produits d'homopolycondensation à partir de polyéthers
D01F 6/76 - Filaments, ou similaires, faits par l’homme, à un seul composant, formés de polymères synthétiquesLeur fabrication à partir de produits d'homopolycondensation à partir d'autres produits de polycondensation
A composition including a poly(biphenylet her sulfone) and microparticles. A composition including a poly(aryl ether sulfone), a polyetherimide and/or a polycarbonate, and high crush strength gl ass hollow microsphe res having a crush strength greater than 15,000 psi. Articles made from the compositions. Aircrafts, cars and other vehicles comprising co mpounds made from the compositions.
C08J 9/32 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement à partir de compositions contenant des microbilles, p. ex. mousses syntactiques
Orthopedic tool, said orthopedic tool consisting essentially of, or said orthopedic tool comprising at least one part consisting essentially of, at least one plastic material (M), wherein the plastic material (M) comprises at least one semi-aromatic polyamide (P) comprising more than 50 mole % of recurring units obtained by the polycondensation reaction between at least one aliphatic diacid or derivative thereof and at least one aromatic diamine. In particular, hip rasp consisting essentially of at least one plastic material comprising at least one PMXDA polymer.
j being the total weight amount of material (Mj), for j=1 and for j=2. Process for manufacturing the above multilayer structure, which comprises co-extruding polymer compositions (C1) and (C2), so as to obtain couple (L1-L2) of adjacent layers (T1) and (T2). Shaped article comprising the above multilayer structure, and process for manufacturing it.
)
B32B 7/02 - Propriétés physiques, chimiques ou physicochimiques
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine vinyliqueProduits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
63.
TRANSPARENT AND FLAME RETARDANT POLYSULFONE COMPOSITIONS
A polysulfone having a first polyphenylene sulfone unit (i.e., PPSU unit) based on one biphenol group and one diphenyl sulfone group and a second sulfone unit (i.e., PSU-AF unit) based on one hexaflurobisphenol A group and one diphenylsulfone group. The polysulfone is transparent and has a total heat release and peak heat release of less than 65 kW-min/m2 and 65 kW/m2, respectively. Compositions containing the polysulfone and articles made by molding and/or extruding the polysulfone.
Blend (B) comprising : at least one aromatic polycarbonate (P1), and at least one polyarylene (P2), more than 50 wt. % of the recurring units thereof are optionally substituted arylene groups [recurring units (R2)], each of said recurring units (R2) being linked by each of its two ends to two other optionally substituted arylene groups via a direct C-C linkage, and said recurring units (R2) being a mix (M) consisting of : between 0 and 75 mole %, based on the total number of moles of recurring units (R2), of rigid rod-forming arylene units (R2a), optionally substituted by at least one monovalent substituting group, with between 25 and 100 mole %, based on the total number of moles of recurring units (R2), of kink-forming arylene units (R2b), optionally substituted by at least one monovalent substituting group. Article or part of an article comprising the blend (B).
Polymer composition (C) comprising: at least one poly(aryl ether ketone) (P1), at least one poly(biphenyl ether sulfone) (P2), and at least one fibrous carbon nanofiller (N). Article or part of an article comprising the polymer composition (C).
Multilayer structure comprising at least one couple (L1-L2) of adjacent layers (L1) and (L2), wherein: layer (L1) comprises at least one polymer composition (C1) comprising: (i) at least one semi-aromatic polyamide, and (ii) at least one impact modifier (I1); layer (L2) comprises at least one polymer composition (C2) comprising: (i) at least one un-functionalized polyolefin (PO2); (ii) at least one functionalized polyolefin (FPO2), said functionalized polyolefin comprising functional groups chosen from carboxylic groups, their esters, their anhydrides and their salts Process for manufacturing said multilayer structure, which comprises co-extruding or co-blowmolding polymer compositions (C1) and (C2) so as to obtain couple (L1- L2) of adjacent layers (L1) and (L2). Shaped article comprising the invented multilayer structure and process for manufacturing the shaped article.
Polymer composition (C) comprising a poly(aryl ether ketone) (P1) chosen from polyetheretherketones, polyetherketoneketones and polyetheretherketone-polyetherketoneketone copolymers, a polyphenylsulfone (P2), and a reinforcing fiber (F), with the exception of a polymer composition consisting of 90 wt %, based on the total weight of the polymer composition, of a polymer blend consisting of 85 parts by weight of a polyphenylsulfone and 15 parts by weight of a polyetheretherketone, and 10 wt %, based on the total weight of the polymer composition, of glass fiber.
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
Blend (B) comprising: - at least one polyarylene (P1) in a form other than fibers, - at least one poly(aryl ether ketone) (P2), and - at least one fibrous filler (F). Article or part of an article comprising the blend (B).
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
69.
NEW POLYARYLENE COMPOSITION AND ARTICLES MADE THEREFROM
Polymer composition comprising : - at least one polyarylene (P1), of which the efficient arylene recurring units (R1) are a mix (M1) consisting of : - from 70 mole % to 100 mole %, based on the total number of moles of efficient arylene recurring units (R1), of rigid rod-forming arylene units (Ra), said rigid rod-forming arylene units (Ra) being optionally substituted by at least one monovalent substituting group with - from 0 to 30 mole %, based on the total number of moles of efficient arylene recurring units (R1), of kink-forming arylene units (Rb), said kink-forming arylene units being optionally substituted by at least one monovalent substituting group, and - at least one polyarylene (P2), of which the efficient arylene recurring units (R2) are a mix (M2) consisting of : - less than 70 mole %, down to 0 mole %, based on the total number of moles of efficient arylene recurring units (R2), of rigid rod-forming arylene units (Ra), said rigid rod-forming arylene units (Ra) being optionally substituted by at least one monovalent substituting group with - more than 30 mole %, up to 100 mole %, based on the total number of moles of efficient arylene recurring units (R2), of kink-forming arylene units (Rb), said kink-forming arylene units being optionally substituted by at least one monovalent substituting group. Article comprising said polymer composition.
C08L 65/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant une liaison carbone-carbone dans la chaîne principaleCompositions contenant des dérivés de tels polymères
Blend (B) comprising : - at least one polyarylene (P1) in a form other than fibers, and - at least one poly(aryl ether ketone) (P2). Article or part of an article comprising the blend (B).
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
Blend (B) comprising: - at least one aromatic polyimide (P1), and - at least one polyarylene (P2), more than 50 wt. % of the recurring units thereof are optionally substituted arylene groups ⏧recurring units (R2)], each of said recurring units (R2) being linked by each of its two ends to two other optionally substituted arylene groups via a direct C-C linkage, and said recurring units (R2) being a mix (M) consisting of : between 0 and 75 mole %, based on the total number of moles of recurring units (R2), of rigid rod-forming arylene units (R2a), optionally substituted by at least one monovalent substituting group, with between 25 and 100 mole %, based on the total number of moles of recurring units (R2), of kink-forming arylene units (R2b), optionally substituted by at least one monovalent substituting group. Article or part of an article comprising the blend (B).
Use of at least one kinked rigid-rod polyarylene of a specific type for its fire resistance properties. Films and coatings consisting of a material comprising the same kinked rigid-rod polyarylene.
C08L 65/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant une liaison carbone-carbone dans la chaîne principaleCompositions contenant des dérivés de tels polymères
Use of an effective amount (ϵ) of a poly(biphenyl ether sulfone) (P2) for diluting a poly(aryl ether ketone) (P1) contained in a polymer composition (C1) consisting of the poly(aryl ether ketone) (P1) and, optionally in addition, one or more ingredients (A) other than the poly(aryl ether ketone) (P1) and the poly(biphenyl ether sulfone) (P2), while at least substantially maintaining the chemical resistance of the polymer composition (C1) in a chemical environment (E) which is more aggressive against the poly(biphenyl ether sulfone) (P2) than against the poly(aryl ether ketone) (P1).
Use of an effective amount (ϵ) of a poly(biphenyl ether sulfone) (P2) for diluting a poly(aryl ether ketone) (P1) contained in a polymer composition (C1) consisting of the poly(aryl ether ketone) (P1) and, optionally in addition, one or more ingredients (A) other than the poly(aryl ether ketone) (P1) and the poly(biphenyl ether sulfone) (P2), while at least substantially maintaining the friction and/or wear resistance of the polymer composition (C1) with regard to a surface (Σ) with regard to which respectively the friction and/or wear resistance of the poly(biphenyl ether sulfone) (P2) are not as good as respectively the friction and/or wear resistance of the poly(aryl ether ketone) (P1).
Polyamide having a melting point between 330°C and 370°C, said polyamide comprising : a diamine component (a) comprising between 0 and 55 mole %, based on the total number of moles of the diamine component (a), of at least one aliphatic diamine having more than 6 carbon atoms, and between 45 and 100 mole %, based on the total number of moles of the diamine component (a), of at least one aliphatic diamine having at most 6 carbon atoms, and a dicarboxylic acid component (b) comprising more than 50 mole %, based on the total number of moles of the dicarboxylic acid component (b), of terephthalic acid, with the exception of a certain specific polyamide (P*).
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
76.
PROCESS FOR EXTRUDING A THIN FILM FROM AN AROMATIC POLYAMIDE-IMIDE COMPOSITION
Process for extruding a film (F) having a thickness of below 1000 쎽m from a polymer composition (C), wherein the polymer composition (C) comprises at least 40 wt. %, based on the total weight of the polymer composition (C), of at least one aromatic polyamide-imide manufactured by a process including the polycondensation reaction of : (i) trimellitic anhydride monoacid halide; (ii) at least one comonomer chosen from diamines and diisocyanates, and (iii) at least one substance (S) comprising on e and only one functional group capable of reacting with either an anhydride group and an acid halide group on one hand, or an amine group and an isocyanate group on the other hand, or one and only one precursor of said functional group, wherein the amount of substance (S) is of above 1 mol. %, based on the total number of moles of trimellitic anhydride monoac id halide and substance (S).
B29C 47/00 - Moulage par extrusion, c. à d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désirée; Appareils à cet effet (moulage par extrusion-soufflage B29C 49/04)
The present invention provides a fluid dynamic bearing unit (1) which has a resin member having high oil resistance, high dimensional accuracy and improved fixing strength and can exhibit stable high bearing performances. A housing (7) which is in contact with ester-based lubricating oil is formed of a resin composite using mixture of a non-crystalline resin and a crystalline resin as a base resin. At this time, a resin selected from a group of constituting polyphenyl sulfone (PPSU), polyether sulfone (PES), polyether imide (PEI) and polyamide imide (PAI) is used as the non-crystalline resin and a resin selected from the group consisting of liquid-crystalline polymer (LCP), polyphenylene sulfide (PPS), polyether ether ketone (PEEK), polybutylene terephthalate (PBT), thermoplastic polyimide (TPI) and polyethylene naphthalate (PEN) is used as the crystalline resin.
Polymer composition (C) containing - a poly(aryl ether sulfone) material (P), composed of at least one poly(aryl ether sulfone) (P1) with a multiple benzenic ring structure, or at least one poly(aryl ether sulfone) (P1) with a multiple benzenic ring structure and at least one poly(aryl ether sulfone) (P2) different from poly(aryl ether sulfone) (P1), and - a semi-aromatic polyester material (P*), composed of at least one semi-aromatic polyester (P1*) with a multiple benzenic ring structure, or at least one semi-aromatic polyester (P1*) with a multiple benzenic ring structure and at least one semi-aromatic polyester (P2*) different from semi-aromatic polyester (P1*), wherein the semi-aromatic polyester material (P*) over poly(aryl ether sulfone) material (P) weight ratio ⏧(P*)/(P) weight ratio] is between 0.13 and 1.00.
An ammunition article is provided which comprises a casing and a cap wherein the casing is formed from a polymeric material that has a room temperature notched Izod impact value greater than about 10 ft lbs/in and then has a ratio of notched Izod impact value at room temperature to notch Izod impact value at about −40° C. of less than about 4.
An ammunition article is provided which comprises a casing and a cap wherein the casing is formed from a polymeric material that has a room temperature notched Izod impact value greater than about 10 ft lbs/in and then has a ratio of notched Izod impact value at room temperature to notch Izod impact value at about -40 °C of less than about 4. Alternatively the casing may be formed from - a polyphenylsulf one or - a Siloxane-modif ied Bisphenol-A polycarbonate or - a Bisphenol-A polycarbonate with biphenyl linkages or - a blend comprising Bisphenol-A polycarbonate and an acrylic elastomer. There is also provided a method of improving the viscoelastic response of a polymeric ammunition cartridge casing material by blending the material with a high modulus polymer.
Compositions comprising blends of polyphenylene and poly(aryl ether sulfone) and methods for making such blends are disclosed. Miscible blends of polyphenylene and poly(aryl ether sulfone) are also disclosed. The blends are useful in numerous applications such as in the preparation of articles and of foams having reduced density.
High-performance thin film Film having a thickness of below 100 쎽m, containing a polymer composition (C) containing a poly(aryl ether sulfone) material (P), composed of at least one poly(biphenyl ether sulfone) (P1), or at least one poly(biphenyl ether sulfone) (P1) and at least one poly(aryl ether sulfone) (P2) different from poly(biphenyl ether sulfone) (P1), and at least one fluorocarbon polymer.
C08G 75/00 - Composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant du soufre, avec ou sans azote, oxygène ou carbone
84.
Anti-yellowing polycondensation polymer compositions and articles
A composition, having an improved resistance to yellowing under heat aging, comprising at least 20 weight % of at least one polycondensation polymer having a heat deflection temperature of above 80° C. under a load of 1.82 MPa when measured according to ASTM D648, from 0 to 5 weight % of at least one polymer having a heat deflection temperature of at most 80° C. under a load of 1.82 MPa when measured according to ASTM D648, a white pigment; and a black pigment provides resistance to heat aging induced yellowing. The polycondensation polymers are advantageously selected from the group consisting of polyarylethersulfones, at least partially aromatic polyamides, polyamideimides, liquid crystalline polymers, polyimides, polyetherimides, polyaryletherketones, and polyphenylene sulfides. The polymer composition can be molded to form a variety of articles, including LED components, such as reflectors, reflector cups, and scramblers.
C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
C08L 71/00 - Compositions contenant des polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleCompositions contenant des dérivés de tels polymères
C08L 79/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement de l'azote, avec ou sans oxygène ou carbone, non prévues dans les groupes
C08L 81/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant dans la chaîne principale de la macromolécule une liaison contenant uniquement du soufre, avec ou sans azote, oxygène ou carboneCompositions contenant des polysulfonesCompositions contenant des dérivés de tels polymères
C08K 3/00 - Emploi de substances inorganiques en tant qu'adjuvants
H01L 33/00 - DISPOSITIFS À SEMI-CONDUCTEURS NON COUVERTS PAR LA CLASSE - Détails
Dibenzodiazocine polymers, methods for producing dibenzodiazocine polymers, products formed from dibenzodiazocine polymers, and uses for such dibenzodiazocine polymers are provided.
C08G 73/06 - Polycondensats possédant des hétérocycles contenant de l'azote dans la chaîne principale de la macromoléculePolyhydrazidesPolyamide-acides ou précurseurs similaires de polyimides
86.
FLAME RETARDED POLYMER COMPOSITION WITH IMPROVED THERMAL STABILITY
Flame retarded and thennally stabilized polymer composition comprising (i) thermoplastic polymer and (ii) flame retardant and stabilizer combined agent comprising as component (A), a flame retardant selected from the group consisting of a phosphinic salt of the formula (I), a diphosphinic salt of the formula (II), polymers of the formula (I), polymers of the formula (II) and mixtures thereof, characterized in that: R1, R2 are identical or different and are Cl-C-alkyl, linear or branched, or aryl; R3 is C1-Cl0-alkylene, linear or branched, C6C10-arylene, alkylarylene or arylalkylene; M is Mg, Ca, Al, Sb, Sri, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; x is I to 4, . as component B a flame retardant synergist selected from the group of nitrogen-containing synergists and phosphorus/nitrogen-containing synergists . as component (C), a thermal stabilizer selected from the group of basic or amphoteric oxide, hydroxide, carbonate, silicate, borate, stannate, mixed oxide/hydroxide, oxide/hydroxide/carbonate, hydroxide/silicate, hydroxide/borate, or a mixture thereof . optionally as component (D), a phosphonite . optionally as component (E), an ester or salt of montan wax acid, . optionally as component (F), a N,N'-bispiperidinyl-1,3-benzenedicarboxamide and/or N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,3-benzene- dicarboxamide, said polymer composition being characterized in that the thermoplastic polymer (i) is a semi-aromatic polyamide comprising recurring units derived from a dicarboxylic acid component including at least one aliphatic dicarboxylic acid and a diamine component including at least one aromatic diamine. Shaped article comprising said composition.
C08G 61/00 - Composés macromoléculaires obtenus par des réactions créant une liaison carbone-carbone dans la chaîne principale de la macromolécule
C08G 61/10 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aromatiques, p. ex. polyphénylènes
A hollow body selected from liquid storage and handling containers, tubing, pipes, and hoses constituted by any number of contiguous layers of the order [(L1)n/(L2)mb where x is an integer of 1 or greater, n is an integer of 1 or greater, and m is 1 or 2, wherein: layer L1 comprises an aromatic polyamide and a functionalized impact modifier, and layer L2 comprises an aliphatic polyamide, wherein said aromatic polyamide is selected from the group consisting of: aromatic polyamides comprising more than 50 mole % of recurring units formed by the polycondensation reaction between at least one aliphatic diacid and metaxylylenediamine, and aromatic polyamides comprising more than 50 mole % of recurring units formed by the polycondensation reaction between at least one of terephthalic acid, isophthalic acid, and phthalic acid and hexamethylenediamine, and wherein said functionalized impact modifier is in an amount of from 5 weight % to 40 weight %, based on total weight of the composition L1. A method for preparing the same. A fossil fuel device comprising a hose defined by said hollow body.
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
B29C 48/00 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
(1) Compression molded stock shapes and finished machine parts made from polyamide-imide resins, namely washers, wear rings, bushings, bearings, non-lubricated gears, wear pads, rider bands, actuators, impellers, housing liners, bobbins, piston rings, retainer rings, valve plates, vane guides, splines and valve sets comprised of poppets, wear rings or plates, valve bodies, valve guides and valve guards; compression molded stock shapes and finished parts made from polyamide-imide resins for use in further manufacture, namely washers, seals, sound/shock insulators and electrical insulators.