Patents Assigned to Solvay Advanced Polymers, LLC
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Publication number: 20150344418Abstract: 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.Type: ApplicationFiled: August 10, 2015Publication date: December 3, 2015Applicant: Solvay Advanced Polymers, LLCInventors: Chantal Louis, William Gandy, Edward Ryan, Geoffrey Scott Underwood, Kong Yi
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Patent number: 7989531Abstract: 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.Type: GrantFiled: February 18, 2010Date of Patent: August 2, 2011Assignee: Solvay Advanced Polymers, LLCInventors: Bruce H. Bersted, Ernest Seet, Eric Hsiao, Henri Massillon
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Patent number: 7709568Abstract: 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.Type: GrantFiled: October 15, 2003Date of Patent: May 4, 2010Assignee: Solvay Advanced Polymers, LLCInventors: Bruce H. Bersted, Ernest Seet, Eric Hsiao, Henri Massillon
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Publication number: 20090227760Abstract: 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*).Type: ApplicationFiled: December 22, 2006Publication date: September 10, 2009Applicant: Solvay Advanced Polymers, LLCInventors: Dale R. Warren, Nancy Singletary, Mark G. Reichmann
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Patent number: 7365146Abstract: Substituted polyphenylenes and methods for producing such substituted polyphenylenes using supported transition metal catalysis are provided.Type: GrantFiled: January 27, 2005Date of Patent: April 29, 2008Assignee: Solvay Advanced Polymers, LLCInventors: David B. Thomas, Nikica Maljkovic, Robert R. Gagné
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Publication number: 20060280888Abstract: Hollow bodies made from impact-modified polyamide. Fuel line hoses for both liquid fuel delivery and fuel vapor recovery.Type: ApplicationFiled: August 17, 2004Publication date: December 14, 2006Applicant: Solvay Advanced Polymers, LLCInventors: Bruce Bersted, James Doty, Jean De Canniere, Claude Dehennau, Gregory Warkoski, Corrine Bushelman, Johan Billiet
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Publication number: 20050003661Abstract: A polysulfone composition is provided having a total luminous light transmittance of 84% or greater when measured on 0.1 inch thick specimens using ASTM D-1003. The specimens also meet at least one of the following two conditions: 1) a yellowness index (YI) of less than about 5.0 as measured according to ASTM D-1925 on 0.1 inch thick specimens, or 2) a color factor (CF) of less than about 25, wherein CF is defined by the following equation: CF=270[(x+y)sample?(x+y)air]/t wherein x and y are chromaticity coordinates measured in transmittance mode and t is sample thickness in inches. Another polysulfone composition is provided comprising a polysulfone, an organic phosphorous-containing melt stabilizer, and at least one of the following additives: a blue to violet dye, and an organic optical brightener. The polysulfone composition of the present invention is used to form transparent molded articles such as ophthalmic lenses.Type: ApplicationFiled: September 7, 2004Publication date: January 6, 2005Applicant: Solvay Advanced Polymers, LLCInventor: Mohammad El-Hibri
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Patent number: 6593445Abstract: Improved carbonate method for producing poly(biphenyl ether sulfones) having a low color, the improvement being the use of small particle size anhydrous potassium carbonate. The resulting poly(biphenyl ether sulfones) are significantly improved in color.Type: GrantFiled: February 27, 2001Date of Patent: July 15, 2003Assignee: Solvay Advanced Polymers, LLCInventor: Thomas H. Schwab
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Patent number: 6518341Abstract: A composition comprising a high temperature partially aromatic polyamide, an impact modifier, a secondary aryl amine, and a copper stabilizer.Type: GrantFiled: June 15, 2000Date of Patent: February 11, 2003Assignee: Solvay Advanced Polymers, LLCInventors: James M. Hurley, Bruce H. Bersted
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Patent number: 6482880Abstract: Poly(biphenyl ether sulfone) resins are improved in resistance to UV yellowing when blended with up to 50 wt % polyetherimide. Flame retardant blends of poly(biphenyl ether sulfone) and polyetherimide are particularly useful in fabricating appearance parts for aircraft interiors.Type: GrantFiled: April 5, 2000Date of Patent: November 19, 2002Assignee: Solvay Advanced Polymers, LLCInventor: John A. Rock
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Patent number: 6479581Abstract: An aqueous-based composition comprising an aqueous solution of the product formed of the combination of a polyamide-amic acid and a triamine, preferably wherein the polyamide-amic acid is prepared from trimellitic acid halide or its equivalent and an aromatic diamine comprising 4,4′-methylenedianiline.Type: GrantFiled: March 7, 2000Date of Patent: November 12, 2002Assignee: Solvay Advanced Polymers, LLCInventors: Daniel J. Ireland, Jan G. Nel, Robert G. Keske