Color stabilization of polycarbonate resins

An aromatic polycarbonate composition having improved color stability and improved plate-out resistance while maintaining good processing properties which composition consists of an aromatic polycarbonate and a stabilizer consisting of at least one organic phosphite and at least one particular epoxy...

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Bibliographische Detailangaben
Hauptverfasser:	HOEKS, THEODORUS LAMBERTUS, KUSTERS, ADRIANUS A.M, GOOSSENS, JOHANNES MARTINUS D, JAATINEN, MARJA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An aromatic polycarbonate composition having improved color stability and improved plate-out resistance while maintaining good processing properties which composition consists of an aromatic polycarbonate and a stabilizer consisting of at least one organic phosphite and at least one particular epoxy wherein the epoxy has an on-set temperature of greater than 255 DEG C and, preferably, at least 280 DEG C. Also included herein is a process of preparing articles such as injection molded or extruded articles particularly transparent polycarbonate sheet having the improved properties set forth above.