| 摘要 |
A polycarbonate composition is disclosed having improved fatigue resistance characteristics. The composition is useful for manufacture of electronic and mechanical articles, such as cell phone housing, among others. The composition comprises an effective amount of a polycarbonate, an impact modifier, and a pentraerythritol diphosphite derivative represented by formula (P-1): wherein m is an integer and 1<=m<=5; n is an integer and 1<=n<=5; AND EACH OF R<SUB>1 </SUB>and R<SUB>2 </SUB>is independently selected from the group consisting of arylalkyl, alkylarylalkyl, aryl, alkylaryl, and any combination thereof.
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