Patent application number | Description | Published |
20100075125 | FLAME RETARDANT THERMOPLASTIC POLYMER COMPOSITION, METHOD OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A thermoplastic polymer composition comprises a cyanophenyl endcapped polycarbonate, a potassium diphenyl sulphon-3-sulphonate; and brominated polycarbonate. In some embodiments, when the thermoplastic polymer composition is in the form of a 3 mm thick extruded sheet, the sheet has a smoke density of less than 200 at an exposure period of 240 seconds in accordance with the smoke density test as set forth in ASTM E662-06, and has no burning drips on the sheet for a duration of 10 minutes in accordance with the flammability test as set forth in NF-P-92-505. | 03-25-2010 |
20100168293 | THERMOPLASTIC POLYCARBONATE COMPOSITIONS - Disclosed herein is a thermoplastic composition comprising:
| 07-01-2010 |
20110229704 | FLAME RETARDANT POLYCARBONATE COMPOSITIONS, METHOD OF MANUFACTURE THEREOF, AND ARTICLES THEREFROM - A thermoplastic polycarbonate composition includes, based on the total weight of the thermoplastic polycarbonate composition: 15 to less than 40 wt. % of a reinforcing mineral filler; and greater than 60 to 85 wt. % of a polymer component, including, based on the weight of the polymer component, 68 to 99.9 wt. % of an aromatic polycarbonate, 0.1 to 2 wt. % of a fluorinated polymer, optionally, 0.1 to 25 wt. % of an impact modifier; and optionally, 0.1 to 5 wt. % of an additive composition including an antioxidant, a mold release agent, and a stabilizer; wherein a molded sample of the thermoplastic polycarbonate composition has no drips when measured in accordance with NF P 92-505 at a thickness of 3.0 mm. | 09-22-2011 |
Patent application number | Description | Published |
20080227896 | Flame retardant thermoplastic polycarbonate compositions, use and method thereof - A thermoplastic composition contains about 20 to about 90 wt. % of a polycarbonate resin; up to about 35 wt. % of an impact modifier; about 0.5 to about 30 wt. % of a polysiloxane-polycarbonate copolymer; and about 0.5 to about 20 wt. % of a phosphorus-containing flame retardant, each based on the total combined weight of the thermoplastic composition, exclusive of any filler. An article of manufacture having a wall having a thickness of 3 mm or less may be made using the composition, e.g., by molding, extruding, or shaping the above-described composition into an article. Alternatively, an article may be made by ultrasonically welding a first part comprising the foregoing composition a second part. | 09-18-2008 |
20090023871 | Flame retardant thermoplastic polycarbonate compositions, method of manufacture, and method of use thereof - A flame retardant thermoplastic composition comprising in combination a polycarbonate component; a polycarbonate-polysiloxane copolymer; an impact modifier, wherein the impact modifier comprises wherein the impact modifier comprises a rubber modified thermoplastic resin comprising a discontinuous elastomeric phase dispersed in a rigid thermoplastic phase; and a flame retardant. The compositions have an improved balance of physical properties such as impact strength and flow, while at the same time maintaining their good flame performance. | 01-22-2009 |
20090203831 | FLAME RETARDANT THERMOPLASTIC POLYCARBONATE COMPOSITIONS - A flame retardant thermoplastic composition comprising in combination a polycarbonate component; an impact modifier composition, the components of the impact modifier composition comprising a) a bulk polymerized ABS, and b) an impact modifier different from the ABS; an ungrafted rigid copolymer; and a flame retardant. The compositions have an improved balance of physical properties such as impact strength and flow, while at the same time maintaining their good flame performance. | 08-13-2009 |
20090306258 | LOW SMOKE POLYCARBONATE COMPOSITION, METHOD OF MANUFACTURE AND PRODUCT MADE THEREFROM - A composition containing a polycarbonate, a polycarbonate-polysiloxane copolymer, an impact modifier, and a polyetherimide, wherein the polycarbonate comprises greater than or equal to about 50% by weight of the combined weights of the polycarbonate, polycarbonate-polysiloxane copolymer, impact modifier and polyetherimide and wherein a 3.2 millimeter thick, 7.6 centimeter square sample of the composition produces a smoke density (Ds) of less than 275 after a 4-minute burn, measured according to ASTME 662-03. In one embodiment, a composition may contain about 60 to about 85 wt. % polycarbonate, about 8 to about 20 wt. % polycarbonate-polysiloxane copolymer, about 0.5 to about 20 wt. % impact modifier, and about 1 to about 10 wt. % polyetherimide. | 12-10-2009 |
20120252985 | HEAT RESISTANT CLEAR POLYCARBONATE-POLYSILOXANE COMPOUNDS - Provided herein are polycarbonate blend compositions, methods for making polycarbonate blend compositions and articles containing the polycarbonate blend composition, wherein the polycarbonate blend composition comprises a first polycarbonate and a second polycarbonate wherein the polycarbonate blend has a glass transition temperature (Tg) between 148° C. and 155° C. as measured using a differential scanning calorimetry method; a percent (%) haze of less than 3.5% and a % transmission of greater than 80% as measured using a method of ASTM D 1003-07, and wherein the blend composition possesses 80% or greater ductility in a notched izod test at −20° C. at a thickness of 0.125 inches according to ASTM D256-10. | 10-04-2012 |
Patent application number | Description | Published |
20140041925 | SURFACE MODIFIED OVERHEAD CONDUCTOR - The present invention relates to a surface modified overhead conductor with a coating that allows the conductor to operate at lower temperatures. The coating is an inorganic, non-white coating having durable heat and wet aging characteristics. The coating preferably contains a heat radiating agent with desirable properties, and an appropriate binder/suspension agent. In a preferred embodiment, the coating has L* value of less than 80, a heat emissivity of greater than or equal to 0.5, and/or a solar absorptivity coefficient of greater than 0.3. | 02-13-2014 |
20140238867 | COATED OVERHEAD CONDUCTORS AND METHODS - A coated overhead conductor having an assembly including one or more conductive wires, such that the assembly includes an outer surface coated with an electrochemical deposition coating forming an outer layer, wherein the electrochemical deposition coating includes a first metal oxide, such that the first metal oxide is not aluminum oxide. Methods for making the overhead conductor are also provided. | 08-28-2014 |
20140262427 | FOAMED POLYMER SEPARATOR FOR CABLING - A cable separator comprising a preshaped article having a longitudinal length, wherein said preshaped article is substantially entirely formed of a foamed polymer material having a glass transition temperature greater than 160° C. and being halogen-free is provided. A data communications cable comprising a plurality of conductors and the cable separator of the present invention, wherein said cable separator separates the plurality of conductors is provided. A method of manufacturing a cable comprising the separator of the invention is also provided. | 09-18-2014 |
20140272115 | FIRE RETARDANT COATING FOR HALOGEN FREE CABLES - Cables having a conductor with a polymeric covering layer and a non-extruded coating layer made of a material based on a liquid composition including a polymer resin and a fire retardant. Methods of making cables are also provided. | 09-18-2014 |
20140295363 | PLASTIC FLAME HOUSING AND METHOD OF MAKING THE SAME - A flame element can comprise: a flame housing, fuel, and a medium for a flame. The flame housing is formed from a composition comprising: (a) a first polycarbonate having a LOI of greater than or equal to 25% and a glass transition temperature of greater than 170° C. as measured using a differential scanning calorimetry method, wherein the first polycarbonate is derived from a monomer having the structure wherein each of A | 10-02-2014 |
20140299352 | FOAMED POLYMER SEPARATOR FOR CABLING - A cable separator comprising a preshaped article having a longitudinal length, wherein said preshaped article is substantially entirely formed of a foamed polymer material having a glass transition temperature greater than 160° C. and being halogen-free is provided. A data communications cable comprising a plurality of conductors and the cable separator of the present invention, wherein said cable separator separates the plurality of conductors is provided. A method of manufacturing a cable comprising the separator of the invention is also provided. | 10-09-2014 |
20140329088 | EASY CLEAN CABLE - Cables having a conductor with a polymeric covering layer and a non-extruded coating layer made of a material based on a liquid composition including a polymer resin and a fatty acid amide. Methods of making cables are also provided. | 11-06-2014 |