Sabic Innovative Plastics IP B.v.

General Electric Company

Sabic Global Technologies B.v.

General Electric Corporation Gmbh

Shpp Global Technologies B.v.

Shreyas Chakravarti

Robert Dirk Van De Grampel

Robert Russell Gallucci

Ganesh Kannan

Parminder Agarwal

Safwat Ebeid Tadros

Bernardus Antonius Gerardus Schrauwen

Peter Hendrikus Vollenberg

Nina P Vaze

Hao Zhou

Edward Kung

Roshan Kumar Jha

Pravin Borade

Yuzhen Yang

Johannes Hubertus G M Lohmeijer

Bernard Schrauwen

Przemyslaw Olszynski

Donna Starrup Bossman

Nitin Moghe

Tieb M B Aouraghe

Eugene Pauling Boden

James Edward Pickett

Brian Lee Lawrence

Jan Henk Kamps

Christopher Luke Hein

John Brian McDermott

Dake Shen

Gabrie Hoogland

Pooja Bajaj

Sung Dug Kim

Michael Teruki Takemori

Karin Van De Wetering

Jian Zhou

Vishvajit Chandrakant Juikar

Rodney Fonseca

Steven James Montgomery

Huiping Zhang

Lina Prada

Sapna Kirk Blackburn

Sandeep Tripathi

Peter Hendrikus Theodorus Vollenberg

Songping Liao

Rebecca Suzanne Northey

Shantaram Suryakant Morye

Min Yan

James Edwards Pickett

Donna Staarup Bossman

Peter Hendrikus Theodorus Vollenburg

Rodney W Fonseca

Tieb Mb Aouraghe

Johannes Hubertus Gm Lohmeijer

Nina P Vase

Karin I Van De Wetering

L Chardrashekhar

Compositions formed from a blend of polyetherimide, siloxane/bisphenol-A polyester/polycarbonate copolymer, polycyclohexylenedimethylene terephthalate, polycarbonate/siloxane copolymer, and styrene-ethylene-butadiene-styrene are disclosed that provide superior performance in terms of notched Izod impact, glass transition temperature (Tg), strength after aging, ability to withstand secondary processing conditions, and in other respects. Such compositions exceed critical-to-quality requirements for use in manufacturing components for electronic communication devices.

Polymer blend composition for electronic communication devices

Compositions formed from a blend of polycarbonate/siloxane copolymer, polycarbonate, and polycyclohexylenedimethylene terephthalate are disclosed that provide superior performance in terms of notched Izod impact, glass transition temperature (Tg), strength after aging, ability to withstand secondary processing conditions, and in other respects. Such compositions exceed critical-to-quality requirements for use in manufacturing components for electronic communication devices.

The present invention provides methods for controlling the optical properties of a light transmissive article. The method includes identifying a target window in an Abbe diagram comprising reference polymeric materials. The method further includes selecting a first polymeric material from the reference polymeric materials and compounding the first polymeric material with a stable UV chromophore to provide a first polymer composition. The method further includes transforming the first polymer composition to provide the light transmissive article, wherein the light transmissive article has an Abbe number and a refractive index which falls within the target window. Light transmissive articles prepared using the above methods are also provided.

Light transmissive articles and methods thereof

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.

Thermoplastic poly(arylene ether)/polyester blends and method of making

An optoelectronic device assembly can include: a coated element and an optoelectronic device on the coated element. The coated element can include a thermoplastic substrate and a protective weathering layer. The thermoplastic substrate can include a bisphenol-A polycarbonate homopolymer and a polycarbonate copolymer, and wherein the polycarbonate copolymer is selected from a copolymer of tetrabromobisphenol A carbonate and BPA carbonate; a copolymer of 2-phenyl-3,3-bis(4-hydroxyphenyl)phthalimidine carbonate and BPA carbonate; a copolymer of 4,4'-(1-phenylethylidene) biphenol carbonate and BPA carbonate; a copolymer of 4,4&#x2032;-(1-methylethylidene) bis[2,6-dimethyl-phenol]carbonate and BPA carbonate; and combinations comprising at least one of the foregoing. The protective weathering layer can include resorcinol polyarylate and polycarbonate.

Optoelectronic devices and coatings therefore

A composition of matter comprising a thermoplastic resin composition derived from (i) a polyester derived from a cycloaliphatic diol, and an aromatic diacid; (ii) a polycarbonate derived from at least from 20 mole percent to 100 mole percent of an aromatic diol derived from structure II wherein Rand Rare independently selected from the group consisting of C-Caliphatic, C-Ccycloaliphatic and C-Caromatic groups, X is CHand m is an integer from 3 to 7, n is an integer from 1 to 4, p is an integer from 1 to 4, and from 0 mole percent to 80 mole percent of a second aromatic dihydroxy compound; and wherein the resin composition is transparent is disclosed. Also disclosed is a process to prepare this composition and articles therefrom.

Polyester-polycarbonate compositions

A composition comprising: a polycarbonate comprising units derived from a bisphenol cyclohexylidene of the formula: wherein Rand Rare each independently Calkyl, Rand Rare each independently hydrogen or Calkyl, Ris Calkyl or halogen, and t is 0 to 10; and a poly(ether-ester) copolymer comprising 40 to 60 wt % of polyester hard block units derived from a C-Caromatic dicarboxylic acid or a C-Calicyclic dicarboxylic acid and at least one glycol component, wherein when the C-Caromatic dicarboxylic acid comprises terephthalic acid, isophthalic acid groups are present in an amount from 0 to 30 mole %, based on the total moles of isophthalic acid groups and terephthalic acid groups in the hard block units, and 40 to 60 wt % of polyether soft block units derived from poly(oxytetramethylene) glycol, wherein the molecular weight of the poly(oxytetramethylene) glycol groups is 300 to 1800 Daltons.

Polycarbonate-poly(ether-ester) copolymer composition, method of manufacture, and articles therefrom

A composition comprises a blend of 50 to 90 wt. % of a polycarbonate copolymer, 10 to 50 wt. % of a polyester wherein the weight percent of the polycarbonate copolymer and the polyester are each based on the total weight of the polycarbonate copolymer and the polyester. A molded sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.

Polycarbonate-polyester blends, methods of manufacture, and articles thereof

A composition comprises a blend of 20 to 90 wt. % of a polycarbonate, 10 to 80 wt. % of a polyester wherein the weight percent of the polycarbonate and the polyester are each based on the total weight of the polycarbonate and the polyester. A sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than or equal to 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.

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.

Thermoplastic poly(arylene ether) / polyester blends and articles thereof

In one embodiment, the sheet, comprises: a cap layer comprising an acrylic polymer; and a base layer, wherein the sheet is thermoformable. The base layer comprises a cycloaliphatic polyester copolymer and an optionally, an aromatic polycarbonate. The cycloaliphatic polyester copolymer can comprise greater than 10 wt % cycloaliphatic diol or acid or combination thereof, based upon a total weight of the cycloaliphatic polyester copolymer.

Multilayer articles and methods for making multilayer articles

A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a poly(C-alkylene) ester, and a polyester comprising cyclohexanedimethylene terephthalate units, or a combination of cyclohexanedimethylene terephthalate and ethylene terephthalate. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.

Polyester polycarbonate compositions, methods of making, and articles formed therefrom

A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a first polyester comprising repeating units derived from cyclohexane dicarboxylic acid or a chemical equivalent thereof, and a Caliphatic diol or a chemical equivalent thereof, and a second polyester comprising units derived from isophthalic and/or terephthalic acid and a chemical equivalent thereof, and a Caliphatic diol or a chemical equivalent thereof. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.

Disclosed herein is a thermoplastic composition comprising a combination of 10 to 80 wt. % of a polyester, more than 0 to 50 wt. % of a polycarbonate, and 10 to 90 wt. % of at least one polyester-polycarbonate copolymer comprising, based on the total weight of the copolymer, 15 to 95 wt. % of arylate ester units, and 5 to 85 wt. % of aromatic carbonate units. Also disclosed is a method of forming the compositions, and articles prepared therefrom, for example transparent covers.

Thermoplastic composition, method of manufacture thereof, and articles derived therefrom

A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a first polyester selected from poly(ethylene terephthalate), poly(ethylene isophthalate), or a combination thereof, and a second polyester comprising butylene terephthalate units, cyclohexanedimethylene terephthalate units, or a combination of cyclohexanedimethylene terephthalate units and ethylene terephthalate units. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.

Growing community of inventors

Evansville, IN, United States of America

Shreyas Chakravarti