Patent application number | Description | Published |
20120267480 | Aircraft component comprising flame retardant compositions and methods of manufacture - An aircraft component wherein the component is a partition or a light cover, and wherein the aircraft component is molded or formed from a thermoplastic polymer composition including: a siloxane-containing copolymer in an amount effective to provide a total of 0.2 to 6.5 wt % of siloxane units based on the total weight of the polymers in the thermoplastic polymer composition, a bromine-containing polymer in an amount effective to provide 9 to 13 wt % of bromine, based on the total weight of the polymers in the thermoplastic polymer composition, and optionally a third polymer, wherein the wt % of the siloxane-containing copolymer, the bromine-containing polymer, and the optional third polymer, sum to 100 wt %, and 0.05 to 10 wt % of a light diffuser additive, based on the total weight of polymers in the thermoplastic polymer composition. | 10-25-2012 |
20120269994 | Marine vehicle component comprising flame retardant compositions and methods of manufacture - A marine vehicle component wherein the component is a partition or a light cover, and wherein the marine vehicle component is molded or formed from a thermoplastic polymer composition comprising a siloxane-containing copolymer in an amount effective to provide a total of 0.2 to 6.5 wt % of siloxane units based on the total weight of the polymers in the thermoplastic polymer composition, a bromine-containing polymer in an amount effective to provide 9 to 13 wt % of bromine, based on the total weight of the polymers in the thermoplastic polymer composition, and optionally a third polymer, wherein the wt % of the siloxane-containing copolymer, the bromine-containing polymer, and the optional third polymer, sum to 100 wt %, and 0.05 to 10 wt % of a light diffuser additive, based on the total weight of polymers in the thermoplastic polymer composition. | 10-25-2012 |
20120273738 | RAIL COMPONENT COMPRISING FLAME RETARDANT COMPOSITIONS, AND METHODS OF MANUFACTURE - A railway vehicle component, wherein the component is a partition or a light cover, and wherein the component is molded or formed from a thermoplastic polymer composition comprising: a siloxane-containing copolymer in an amount effective to provide a total of 0.2 to 6.5 wt % of siloxane units based on the total weight of the polymers in the thermoplastic polymer composition, a bromine-containing polymer in an amount effective to provide 9 to 13 wt % of bromine, based on the total weight of the polymers in the thermoplastic polymer composition, and optionally a third polymer, wherein the wt % of the siloxane-containing copolymer, the bromine-containing polymer, and the optional third polymer, sum to 100 wt %, and 0.05 to 10 wt % of a light diffuser additive, based on the total weight of polymers in the thermoplastic polymer composition. | 11-01-2012 |
20120288654 | CLEAR SILCONE POLYCARBONATE ELASTOMERIC COPOLYMERS - Silicone polycarbonate block copolymers are disclosed that have a high elongation before yield, are clear, and have elastomeric properties. Generally, the silicone blocks are very short (less than about 50 organosiloxane repeat units) and the silicone blocks are substantially isolated from each other by bisphenol carbonate spacers. | 11-15-2012 |
20130150504 | BLENDS OF POLYPHENYLENE ETHER SULFONE AND SILICONE POLYESTER CARBONATE - Disclosed herein is a composition comprising a polyphenylene ether sulfone and a resorcinol based silicone aryl polyester carbonate copolymer wherein greater than or equal to 50 mol % of copolymer repeating units are ester units derived from resorcinol, based on the total molar amount of all repeating units in the polymer and wherein the blend has less than 1 weight percent polycarbonate, based on the total weight of the composition, has FAR 25.853 peak heat release of less than 60 KW/m | 06-13-2013 |
20130150507 | BLENDS OF POLYPHENYLENE ETHER SULFONE AND POLYESTER CARBONATE - Disclosed herein is a miscible, high flow composition comprising 80 to 99 wt % of a polyphenylene ether sulfone and 1 to 20 wt % of an aryl polyester carbonate copolymer, based on the combined weight of the polyphenylene ether sulfone and the aryl polyester carbonate copolymer. | 06-13-2013 |
20130224460 | THERMOPLASTIC POLYCARBONATE COPOLYMER COMPOSITIONS, METHODS OF THEIR MANUFACTURE, AND USES THEREOF - This disclosure relates to thermoplastic compositions comprising a polycarbonate copolymer, the polycarbonate copolymer comprising first repeating carbonate units and second repeating units selected from carbonate units that are different from the first carbonate units, polysiloxane units, and a combination comprising at least one of the foregoing unit; and an organophosphorus flame retardant in an amount effective to provide 0.1 to 1.0 wt % phosphorus based on the total weight of the composition, wherein an article molded from the composition has a smoke density after 4 minutes (Ds-4) of less than or equal to 600 determined according to ISO 5659-2 on a 3 mm thick plaque, and a material heat release of less than or equal to 160 kW/m | 08-29-2013 |
20130224461 | THERMOPLASTIC POLYCARBONATE COPOLYMER COMPOSITIONS, METHODS OF THEIR MANUFACTURE, AND ARTICLES THEREOF - A thermoplastic composition includes a poly(carbonate-arylate ester); and an organophosphorus compound in an amount effective to provide 0.1 to 1.0 wt % phosphorus based on the total weight of the composition, wherein an article molded from the composition has a smoke density after four minutes (Ds-4) of less than or equal to 300 determined according to ISO 5659-2 on a 3 mm thick plaque and a maximum average rate of heat release emission (MAHRE) of less than or equal to 90 kW/m | 08-29-2013 |
20130224462 | THERMOPLASTIC COMPOSITIONS HAVING LOW SMOKE, METHODS OF THEIR MANUFACTURE, AND USES THEREOF - A low smoke density thermoplastic composition comprising, based on the total weight of the thermoplastic composition, 70 to 95 wt % of a polycarbonate copolymer comprising first repeating units and second repeating units, wherein the first repeating units are not the same as the second repeating units, and wherein the first repeating units are bisphenol carbonate units of the formula | 08-29-2013 |
20130284991 | FLAME RETARDANT POLYCARBONATE COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A composition comprising: a first polycarbonate comprising a poly(siloxane-carbonate); a second polycarbonate different from the first polycarbonate; and optionally, a third polycarbonate different from the first and second polycarbonate; wherein the first polycarbonate is present in an amount effective to provide the siloxane units of in the first polycarbonate in an amount of at least 0.3 wt %, and the second polycarbonate is present in an amount effective to provide the bromine of the second polycarbonate in an amount of at least 7.8 wt %; and further wherein an article molded from the composition has an OSU integrated 2 minute heat release test value of less than 65 kW-min/m | 10-31-2013 |
20140039103 | BLENDS OF POLYPHENYLENE ETHER SULFONE AND SILICONE POLYESTER CARBONATE - Disclosed herein is a composition comprising a polyphenylene ether sulfone and a resorcinol based silicone aryl polyester carbonate copolymer wherein greater than or equal to 50 mol % of copolymer repeating units are ester units derived from resorcinol, based on the total molar amount of all repeating units in the polymer and wherein the blend has less than 1 weight percent polycarbonate, based on the total weight of the composition, has FAR 25.853 peak heat release of less than 60 KW/m | 02-06-2014 |
20140178665 | CROSS-LINKED POLYCARBONATE RESIN WITH IMPROVED CHEMICAL AND FLAME RESISTANCE - Processes for increasing the chemical resistance of a surface of a formed article are disclosed. The formed article is produced from a polymeric composition comprising a photoactive additive containing photoactive groups derived from a monofunctional benzophenone. The surface of the formed article is then exposed to ultraviolet light to cause crosslinking of the photoactive additive and produce a crosslinked surface. The crosslinking enhances the chemical resistance of the surface. Various means for controlling the depth of the crosslinking are also discussed. | 06-26-2014 |
20140179817 | CROSS-LINKED POLYCARBONATE RESIN WITH IMPROVED CHEMICAL AND FLAME RESISTANCE - Disclosed herein are compositions including a cross-linked polycarbonate. The cross-linked polycarbonate may be derived from a polycarbonate having about 0.5 mol % to about 5 mol % endcap groups derived from a monohydroxybenzophenone. A plaque including the composition can achieve a UL94 5VA rating. Also disclosed herein are articles including the compositions, methods of using the compositions, and processes for preparing the compositions. | 06-26-2014 |
20140179821 | BLENDS CONTAINING PHOTOACTIVE ADDITIVE - Polymeric blends having improved flame retardance properties and good ductility at low temperatures are disclosed. The blend is formed from (A) a photoactive additive containing a photoactive group derived from a monofunctional benzophenone; and (B) a polymer resin which is different from the photoactive additive. The additive can be a compound, oligomer, or polymer. When exposed to ultraviolet light, crosslinking will occur between the photoactive additive and the polymer resin, enhancing the chemical resistance and flame retardance while maintaining ductility. | 06-26-2014 |
20140179843 | POLYCARBONATE COMPOSITIONS, ARTICLES FORMED THEREFROM, AND METHODS OF MANUFACTURE THEREOF - A composition comprises a first polycarbonate having a limited oxygen index of greater than 26% measured according to ISO 4589 on a 4 mm thick plaque, wherein an article molded from the first polycarbonate has a smoke density after 4 minutes (DS-4) of greater than 600 determined according to ISO 5659-2 on a 3 mm thick plaque at 50 kW/m | 06-26-2014 |
20140179844 | CROSS-LINKED POLYCARBONATE RESIN WITH IMPROVED CHEMICAL AND FLAME RESISTANCE - Disclosed herein are compositions including a cross-linked polycarbonate. The cross-linked polycarbonate may be derived from a polycarbonate having about 0.5 mol % to about 5 mol % endcap groups derived from a monohydroxybenzophenone. A plaque including the composition can achieve a UL94 5VA rating. Also disclosed herein are articles including the compositions, methods of using the compositions, and processes for preparing the compositions. | 06-26-2014 |
20140179891 | INTERFACIAL PROCESSES FOR PREPARING PHOTOACTIVE ADDITIVES - Different interfacial processes for producing photoactive additives are disclosed. Generally, the photoactive additives are formed from a photoactive moiety, a first linker moiety, and a diol chain extender. The resulting additives can be crosslinked with other polymers upon exposure to UV radiation. | 06-26-2014 |
20140265053 | METHODS FOR IMPROVING CHEMICAL AND FLAME RESISTANCE WITH MULTI-FUNCTIONAL PHOTOACTIVE ADDITIVES - Polymeric blends having improved flame retardance properties and good ductility at low temperatures are disclosed. The blend is formed from (A) a photoactive additive that is a cross-linkable polycarbonate resin containing a photoactive group derived from a dihydroxybenzophenone; and (B) a polymer resin which is different from the photoactive additive. The additive can be a compound, oligomer, or polymer. When exposed to ultraviolet light, crosslinking will occur between the photoactive additive and the polymer resin, enhancing the chemical resistance and flame retardance while maintaining ductility. | 09-18-2014 |
20140272347 | UV-CURABLE FILM COMPOSITIONS WITH IMPROVED SCRATCH RESISTANCE - Thin walled products having good scratch resistance are disclosed, as are processes for making such products (e.g. films, sheets, and thin walled articles). The product includes a thin layer formed from (A) a cross-linkable polycarbonate resin having endcaps derived from a monohydroxybenzophenone; and (B) if desired, a base polymeric resin. When exposed to ultraviolet light, crosslinking will occur in the layer with the cross-linkable polycarbonate resin, enhancing the scratch resistance properties of the thin layer and the overall product. | 09-18-2014 |
20140272691 | PHOTOACTIVE ADDITIVE WITH FUNCTIONALIZED BENZOPHENONE - Photoactive additives are disclosed. The additive includes a benzophenone having at least one substituent that comprises a divalent linker and a linking group, wherein the linking group is a carboxyl group, ester group, or acid halide group. The additive can be a polymer, an oligomer, or a compound. When added to a base polymeric resin, the photoactive additive permits crosslinking upon exposure to ultraviolet light. | 09-18-2014 |
20140275314 | PHOTOACTIVE ADDITIVES CONTAINING SILOXANE - Photoactive additives are disclosed. Such additives are polymers or oligomers that contain UV-active groups (such as ketone groups) and contain polysiloxane blocks as well. When added to a base polymeric resin and used in molding, this structure promotes migration of the additive to the surface. Crosslinking occurs upon exposure to ultraviolet light. | 09-18-2014 |
20140275321 | PHOTOACTIVE ADDITIVES WITH PHOTOACTIVE MONOMERS AND ENDCAPS - Photoactive additives, such as cross-linkable polycarbonate resins, are disclosed. The additive is formed from the reaction of a monohydroxybenzophenone, a dihydroxybenzophenone, a diol chain extender, and one or more linker moieties having functional groups that react with the phenolic groups on the other ingredients. If desired, a secondary linker moiety and/or an end-capping agent can be used. When added to a base polymeric resin, the photoactive additive permits crosslinking when exposed to ultraviolet light. | 09-18-2014 |
20140275322 | PROCESSES FOR ENHANCING FLAME RETARDANCE AND CHEMICAL RESISTANCE OF POLYMERS - Processes for increasing the chemical resistance of a surface of a formed product are disclosed. The formed product is produced from a polymeric composition comprising a photoactive additive containing photoactive groups derived from a dihydroxybenzophenone. The surface of the formed product is then exposed to ultraviolet light to cause crosslinking of the photoactive additive and produce a crosslinked surface. The crosslinking enhances the chemical resistance of the surface. Various means for controlling the depth of the crosslinking are also discussed. | 09-18-2014 |
20140275324 | MULTI-FUNCTIONAL PHOTOACTIVE ADDITIVES WITH IMPROVED CHEMICAL AND FLAME RESISTANCE - Photoactive additives are disclosed. The additive is formed from the reaction of a dihydroxybenzophenone, one or more linker moieties having functional groups that react with the phenolic groups, a diol chain extender, and an end-capping agent. If desired, a secondary linker moiety can be used. When added to a base polymeric resin, the photoactive additive permits crosslinking when exposed to ultraviolet light. | 09-18-2014 |
20140326162 | INTERIOR TRAIN COMPONENTS HAVING LOW SMOKE AND LOW HEAT RELEASE, AND METHODS OF THEIR MANUFACTURE - Seat components and claddings for railway molded or formed from a thermoplastic polymer composition comprising, based on the total weight of the composition, 50 to 93 wt. % of a specific polycarbonate; 4 to 30 wt. % of a poly(carbonate-siloxane) comprising bisphenol A carbonate units, and siloxane units; 3 to 20 wt. % of an organophosphorus compound in an amount effective to provide 0.1 to 2.0 wt. % of phosphorus, based on the total weight of the thermoplastic polymer composition; wherein an article having a thickness of 0.5 to 10 mm molded from the composition has a Ds-4 smoke density ≦300 measured according to ISO 5659-2, and a MAHRE ≦90 kW/m | 11-06-2014 |
20140326163 | INTERIOR TRAIN COMPONENTS HAVING LOW SMOKE AND LOW HEAT RELEASE, AND METHODS OF THEIR MANUFACTURE - Interior railway components (seat covers and claddings) comprise a thermoplastic composition comprising: a first polymer comprising bisphenol A carbonate units and monoaryl arylate units, or a second polymer comprising bisphenol A carbonate units, monoaryl arylate units, and siloxane units, or a combination comprising at least one of the foregoing polymers; and an organophosphorus compound; wherein a sample of the thermoplastic composition has: a smoke density after 4 minutes (Ds-4) of equal to or less than 300, an integral of the smoke density as a function of time up to 4 minutes (VOF4) of equal to or less than 600, a maximum average heat release (MAHRE) of equal to or less than 90 kW/m | 11-06-2014 |
20140329940 | INTERIOR TRAIN COMPONENTS HAVING LOW SMOKE AND LOW HEAT RELEASE, AND METHODS OF THEIR MANUFACTURE - Interior railway components (seat components and claddings) comprise a thermoplastic composition comprising: a first polymer comprising bisphenol A carbonate units and monoaryl arylate units, or a second polymer comprising bisphenol A carbonate units, monoaryl arylate units, and siloxane units, or a combination comprising at least one of the foregoing; and a polyetherimide; wherein a sample of the thermoplastic composition has: a smoke density after 4 minutes (Ds-4) of ≦150 measured in accordance with ISO 5659-2 on a 3 mm thick plaque, an integral of the smoke density as a function of time up to 4 minutes (VOF4) ≦300 measured in accordance with ISO 5659-2, a maximum average heat release (MAHRE) of ≦300 90 kW/m | 11-06-2014 |
20140335298 | THERMOPLASTIC POLYCARBONATE COPOLYMER COMPOSITIONS, METHODS OF THEIR MANUFACTURE, AND USES THEREOF - This disclosure relates to thermoplastic compositions comprising a polycarbonate copolymer, the polycarbonate copolymer comprising first repeating carbonate units and second repeating units selected from carbonate units that are different from the first carbonate units, polysiloxane units, and a combination comprising at least one of the foregoing unit; and an organophosphorus flame retardant in an amount effective to provide 0.1 to 1.0 wt % phosphorus based on the total weight of the composition, wherein an article molded from the composition has a smoke density after 4 minutes (Ds-4) of less than or equal to 600 determined according to ISO 5659-2 on a 3 mm thick plaque, and a material heat release of less than or equal to 160 kW/m | 11-13-2014 |
20140357768 | COLOR-STABLE THERMOPLASTIC COMPOSITION - A thermoplastic composition is disclosed that includes a polyaryl ester polymer or copolymer and a phthalone compound according to the formula | 12-04-2014 |
20140370213 | INTERIOR AIRCRAFT COMPONENTS AND METHODS OF MANUFACTURE - Interior aircraft components comprise a thermoplastic composition comprising: a first polymer comprising bisphenol A carbonate units and monoaryl arylate units, or a second polymer comprising bisphenol A carbonate units, monoaryl arylate units, and siloxane units, or a combination comprising at least one of the foregoing polymers; and an organophosphorus compound; wherein a sample of the thermoplastic composition has: an OSU integrated 2 minute heat release test value of less than 65 kW-min/m | 12-18-2014 |