Patent application number | Description | Published |
20090014692 | THERMOPLASTIC POLY(ARYLENE ETHER) / POLYESTER BLENDS AND ARTICLES THEREOF - Disclosed herein is a polymer composition comprising: a poly(arylene ether); a polyester; electrically conductive filler, and an impact modifier. The composition has a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether). The amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition. | 01-15-2009 |
20090018242 | POLYETHERIMIDE/POLYPHENYLENE ETHER SULFONE BLENDS - Compositions comprise phase separated polyetherimide/polyphenylene ether sulfone blends. The dispersed phase has an average cross sectional size of 0.1 to 10 micrometers. The composition retains has good hydrolytic stability and is capable of withstanding steam autoclaving at temperatures of 130 to 138° C. | 01-15-2009 |
20090018265 | POLYETHERIMIDE/POLYPHENYLENE ETHER SULFONE BLENDS - Compositions comprise phase separated polyetherimide/polyphenylene ether sulfone blends. The dispersed phase has an average cross sectional size of 0.1 to 10 micrometers. The composition retains has good hydrolytic stability and is capable of withstanding steam autoclaving at temperatures of 130 to 138° C. | 01-15-2009 |
20090036606 | THERMOPLASTIC POLY(ARYLENE ETHER) / POLYESTER BLENDS AND METHOD OF MAKING - Disclosed herein is a polymer composition comprising: a poly(arylene ether); a polyester; and an impact modifier. The composition has a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether). The amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition. | 02-05-2009 |
20090068432 | BLOW MOLDABLE POLYIMIDE/POLYAMIDE COMPOSITION, PROCESS FOR BLOW MOLDING AND ARTICLES MADE THEREBY - Thermoplastic compositions comprising polyamide, polyimide, an organo phosphorus compound and an optional reinforcing filler are described. The subject compositions are useful in blow molding methods. A method of blow molding is also described as well as articles made by the method. | 03-12-2009 |
20100099792 | MEDICAL DEVICE USING SULFONATED NEUTRALIZED POLYMERS WITH REDUCED ADHESION OF BIOLOGICAL FLUIDS - A medical article having neutralized sulfonic acid groups on its surface, is disclosed. The article has reduced interaction with biological fluids such as insulin, human growth hormone and human serum albumin. | 04-22-2010 |
20110303577 | TRANSPARENT POLYIMIDE-POLYESTER COMPOSITIONS, METHOD OF MANUFACTURE, AND ARTICLES THEREOF - A thermoplastic polymer composition comprises a combination of: 40 to 60 pbw, of a polyetherimides, polyetherimide sulfones, or combination thereof having a weight average molecular weight from 5,000 to 80,000 Daltons; 40 to 60 pbw of a polyethylene terephthalate, the polyethylene terephthalate having a diethylene glycol content from 0.1 to 4 wt %, based on the weight of the polyethylene terephthalate, an intrinsic viscosity that is more than 0 and less than 0.83 dl/g, and carboxylic acid end groups in an amount from 10 to 150 meq/Kg; from 0 pbw to 1 pbw, based on 100 pbw of the polymer composition of a stabilizer selected from phenol-containing stabilizers, phosphorus-containing stabilizers, or a combination thereof; and, based on the weight of the polyethylene terephthalate, 10 to 300 antimony; 0 to 300 ppm of cobalt; and 0 to 300 ppm of titanium; wherein the polymer composition is bisphenol A free. | 12-15-2011 |
20120246873 | HOLLOW ARTICLES COMPRISING FIBER-FILLED POLYESTER COMPOSITIONS, METHODS OF MANUFACTURE, AND USES THEREOF - A hollow molded article is obtained by molding a thermoplastic polyester composition comprising a blend of reinforcing fiber glass, polybutylene terephthalate with a melting point of 210 to 230° C. and polyethylene terephthalate with a melting point of 240 to 260° C., wherein at least 10% of the outer surface of the article has a continuous glossy region with a gloss of at least 75 gloss units, as measured at 60 degrees in accordance with ASTM D523 and wherein the gloss varies from the average less than 10 gloss units in the glossy region. A gas-assisted injection molding process is also disclosed for making such hollow molded articles, which articles can have various uses, including handles for appliances or the like. | 10-04-2012 |
20120285721 | SILICONE POLYETHERIMIDE COPOLYMERS - The hydrolysis resistance of silicone polyetherimide copolymers is improved by addition of polyepoxide compounds, hydrotalcite compounds or mixtures thereof. An article made from the composition retains at least 83% of its molecular weight (Mw) were exposed to steam in an autoclave at 115° C. for 3 and 7 days. | 11-15-2012 |
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 |
20120308777 | STERILIZED POLYETHERIMIDE /POLYPHENYLENE ETHER SULFONE ARTICLES - A sterilized article comprising a hydrogen peroxide plasma or hydrogen peroxide vapor sterilized polymer composition, the polymer composition comprising from 20 to 80 weight % of a polyphenylene ether sulfone; and from 20 to 80 weight % of a polyetherimide. When sterilized with a hydrogen peroxide plasma, or hydrogen peroxide vapor, the articles have surprisingly improved resistance to changes in color and clarity as well as resistance to loss of mechanical properties. | 12-06-2012 |
20120308778 | STERILIZED POLYETHERIMIDE ARTICLES - A sterilized article comprising a sterilized or hydrogen peroxide vapor-sterilized polymer composition, the polymer composition comprising a polyetherimide, wherein after exposure to 100 cycles of the hydrogen peroxide plasma sterilization using a mixture of hydrogen peroxide vapor and hydrogen peroxide plasma for 30 minutes at 20 to 55° C., the color of the polymer composition of the article exhibits a color shift of delta E of 10 units or less relative to the color of the polymer composition color before the first hydrogen peroxide plasma sterilization cycle, wherein delta E is measured in accordance with ASTM D2244. | 12-06-2012 |
20120322934 | Process for Preparing Amine-Modified Polyester Resins with Improved Melt Flow - The invention is directed to a process for preparing a linear or branched amine-modified thermoplastic resin with high flowability using as starting materials a linear or branched polyester and a primary or secondary aliphatic amine. The process does not require that the amine and polyester be combined in a liquid organic solvent during the process, and can be performed readily at ambient pressure. The amine-modified resins can be extruded and pelletized using normal operating conditions, making this process a versatile option for achieving a wide variety of viscosities in a simple, low cost, continuous operation. | 12-20-2012 |
20130053487 | POLYCARBONATE COMPOSITIONS AND METHODS FOR THE MANUFACTURE AND USE THEREOF - This disclosure relates generally to polycarbonate compositions whose hydrolysis products and residual monomer content, if any, exhibit little or no estradiol binding activity. Also disclosed are methods for making the disclosed polycarbonates and articles of manufacture comprising the disclosed polycarbonates. | 02-28-2013 |
20130053489 | POLYETHERIMIDE COMPOSITIONS AND METHODS FOR THE MANUFACTURE AND USE THEREOF - This disclosure relates to polyetherimide compositions whose residual phenolic monomers exhibit little or no estradiol binding activity. Also disclosed are methods for making the disclosed polyetherimides and articles of manufacture comprising the disclosed polyetherimides. | 02-28-2013 |
20130108854 | SOLVENTLESS PROCESS FOR THE PREPARATION OF AMINE FUNCTIONAL POLYETHERIMIDE RESINS WITH IMPROVED MELT FLOW | 05-02-2013 |
20130197151 | Process for Preparing Amine-Modified Polyester Resins with Improved Melt Flow - The invention is directed to a process for preparing a linear or branched amine-modified thermoplastic resin with high flowability using as starting materials a linear or branched polyester and a primary or secondary aliphatic amine. The process does not require that the amine and polyester be combined in a liquid organic solvent during the process, and can be performed readily at ambient pressure. The amine-modified resins can be extruded and pelletized using normal operating conditions, making this process a versatile option for achieving a wide variety of viscosities in a simple, low cost, continuous operation. | 08-01-2013 |
20140039102 | POLYSULFONE COMPOSITIONS AND METHODS FOR THE MANUFACTURE AND USE THEREOF - This disclosure relates generally to polysulfone compositions whose residual phenolic monomers or phenolic degradation products exhibit little or no estradiol binding activity. Also disclosed are methods for making the disclosed polysulfones and articles of manufacture comprising the disclosed polysulfones. | 02-06-2014 |
20140213739 | SOLVENTLESS PROCESS FOR THE PREPARATION OF AMINE FUNCTIONAL POLYETHERIMIDE RESINS WITH IMPROVED MELT FLOW - The disclosure relates to a process that includes blending a polyimide resin and a primary alky amine organic compound to produce an aryl amine functionalized polyimide, having aryl amine functionality in excess of any anhydride functionality. The polyimide resin can have a weight average molecular weight (Mw) from 5,000 to 100,000 daltons. The organic compound can include at least one primary aliphatic amine without a direct linkage of a nitrogen to an aryl group and without a functionality selected from a halogen functionality, a hydroxyl functionality, a sulfonic acid functionality, a sulfonic acid salt functionality, and combinations thereof. The disclosure also relates to alkyl imide functionalized polyimides also with aryl amine functionalized polyimides, having aryl amine functionality in excess of any anhydride functionality and articles produced therefrom. | 07-31-2014 |
Patent application number | Description | Published |
20080274360 | POLYARYL ETHER KETONE - POLYCARBONATE COPOLYMER BLENDS - A polymer composition comprising a mixture of a) a first resin component comprising a polyaryl ether ketone, a polyaryl ketone, a polyether ketone, a polyether ether ketone, or a combination of two or more of the foregoing, and b) a second resin component comprising a specific type of copolycarbonate, wherein the mixture has at least two glass transition temperatures, as measured by ASTM method D5418, wherein the first glass transition temperature is from 120 to 160° C. and the second glass transition temperature is from 170 to 280° C. is disclosed. The compositions have improved properties such as improved load bearing capability at high temperature, better impact strength, and a high crystallization temperature. | 11-06-2008 |
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 |
20130220376 | PROCESSES AND COMPOSITIONS FOR CLEANING MIXING DEVICES TO IMPROVE POLYMER PRODUCTION - Processes and compositions for cleaning mixing devices are disclosed that improve the production and quality of thermoplastic polymer resins subsequently produced in the mixing device, while reducing the time needed for cleaning and/or change over. A cleaning mixture comprising polymeric resin pellets having a Rockwell R hardness of 85 to 140 externally coated with an aqueous solution containing sulfonate salts, alkyl aryl sulfonate salts, alkyl sulfate salts, C6 to C36 carboxylic acid salts, or mixtures thereof, is used to purge the mixing device. The surfactant salt is present in the aqueous solution at 0.2 to 30 wt % of the solution, the aqueous solution having a pH of 6.0 to 9.0. | 08-29-2013 |
20130225465 | PROCESSES AND COMPOSITIONS FOR CLEANING MIXING DEVICES TO IMPROVE POLYCARBONATE PRODUCTION - Processes and compositions for cleaning mixing devices are disclosed that improve the production and quality of polycarbonate resins subsequently produced in the mixing device, while reducing the time needed for cleaning and/or change over. A cleaning mixture comprising polycarbonate resin pellets coated with an alkyl aryl sulfonate salt aqueous solution are used to purge the mixing device. | 08-29-2013 |