Sabic Global Technologies B.v.

Shpp Global Technologies B.v.

Shuailei Ma

Jian Long Yang

Ji Zhou

Christopher Luke Hein

Kapil Chandrakant Sheth

Christianus Johannes Jacobus Maas

Michael John Davis

Safwat Ebeid Tadros

Michael Matthew Laurin

Sandeep Kumar Dhawan

Jian Zhou

Rahul Patil

Bing Zhou

Yuanqing He

Constantin Donea

Chester Hassman

Guangxin Lin

Raghavendra Raj Maddikeri

Chelsea Schmidt

David Zoller

Hendrik Cornelis Jacobus De Nooijer

Stephen L Taylor

Jian Yang

Douglas W Howie

Amit S Kulkarni

A polycarbonate copolymer contains aromatic carbonate units; optionally siloxane units; and resorcinol arylate ester units. The resorcinol arylate ester units of the polycarbonate copolymer are derived from a resorcinol composition having a hydroquinone content of 50 to 1200 parts per million, a catechol content of 5 to 29 parts per million, and a phenol content of 0 to 2400, each as determined by high performance liquid chromatography, and further comprising an acid stabilizer.

Polycarbonate copolymers, articles formed therefrom, and methods of manufacture

A foamed thermoplastic material includes a thermoplastic material exhibiting, in its unfoamed state, a particular flammability index, flame growth rate, and specific extinction area. The foamed thermoplastic material further includes a plurality of cells having a number average mean diameter of 5 to 150 micrometers present in an amount effective to provide the foamed thermoplastic material with a density that is 10 to 90 percent of the density of the unfoamed thermoplastic material. The foamed thermoplastic material exhibits a desirable tensile elongation and dielectric constant. A process for forming the foamed thermoplastic material, articles including the foamed thermoplastic material, and an article-forming process are also described.

Foamed thermoplastic material, method for the manufacture thereof, articles prepared therefrom, and article-forming method

In one embodiment, a polymeric sheet, comprising: a foamed layer comprising a polymeric material, wherein the polymeric material has a Tg of greater than or equal to 100&#xb0; C.; and wherein the sheet has a weight reduction of 10% to 60%, as compared to a solid sheet of the same geometry and size formed from the same polymeric material. The sheet, at the thickness of 1.0 mm, has a smoke density of less than or equal to 200 particles after four minutes of burning according to ASTM E662-06. The sheet is thermoformable.

Polymeric sheets, methods for making and using the same, and articles comprising polymeric sheets

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Evansville, IN, United States of America

Shuailei Ma