Polyarylethersulfone compositions exhibiting reduced yellowness and high light transmittance properties and articles made therefrom
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United States of America Patent
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Nov 25, 2008
Grant Date -
Mar 9, 2006
app pub date -
Apr 15, 2003
filing date -
Apr 15, 2002
priority date (Note) -
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Abstract
A polyarylethersulfone polymer composition comprising a polyarylethersulfone having reduced yellowness and high light transmittance is provided. The composition includes an organic phosphorous-containing compound and at least one of the following two additives: a colorant, and an optical brightener. The polyarylethersulfone composition of the present invention is used to form molded articles suitable for food and beverage service, medical components, and lighting components.
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