Flame-resistant polyester-olycarbonate compositions, methods of manufacture, and articles thereof
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHPP GLOBAL TECH BV
- Publication Date
- 2013-09-04
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Abstract
Description
Background of the Invention
[0001] In many applications, especially when using electrical and electronic components, there is a need for flame retardant polymer compositions with the combined properties of good chemical resistance, high impact and high heat resistance, wherein Halogenated flame retardant additives. Alloys of polyester and polycarbonate can provide some improvement in polycarbonate properties. Although multiple patents have disclosed such alloys over the years, polyester-polycarbonate commercial flame retardant materials with an attractive balance of properties are still very rare in the marketplace. One reason is that compositions in this field can be limited in the maximum amount of polyester that can be included in the composition, which results in alloys that are closer in properties to pure polycarbonate than a more balanced polyester- Polycarbonate composition. For example, US Patent No. 7,0675,67 limits the polyester content to a maximum of 12 wt %, w...