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US 2003/0158304 A1Published application
Non-inflammable, translucent polycarbonate molding materials
AssigneeBayer Aktiengesellschaft
InventorsTorsten Derr, Thomas Eckel, Michael Zobel, Dieter Wittmann, Andreas Seidel
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Abstract
The present invention relates to flame-resistant translucent polycarbonate moulding compositions which comprise oligophosphates and specific fluorinated polyolefins and have an excellent flameproofing and resistance to chemicals.
Claims18
Composition comprising
- A) 70 to 99.5 parts by wt. of polycarbonate and
- B) 0.5 to 18 parts by wt. of phosphorus compound of the formula (I)
- 7
- wherein
- R1, R2, R3 and R4 independently of one another each denote C1- to C8-alkyl, or C5- to C6-cycloalkyl, C6- to C20-aryl or C7- to C12-aralkyl, in each case optionally substituted by alkyl, preferably C1-C4-alkyl,
- n independently of one another, denotes 0 or 1,
- N denotes a number between 0.1 and 10 and
- X denotes a mono- or polynuclear aromatic radical having 6 to 30 C atoms, or a linear or branched aliphatic radical having 2 to 30 C atoms, which can be OH-substituted and can contain up to 8 ether bonds,
- C) 0.01 to 0.7 parts by wt. of fluorinated polyolefin,
- characterized in that the composition is translucent.
7 more elements
Dependencies are inferred from the claim text.