Melt-stable, pigmented polycarbonate composition

Details Melt-stable, pigmented polycarbonate composition Melt-stable, pigmented polycarbonate composition

C - Chemistry, Metallurgy

08

K

C08K 5/15 (2006.01) C08K 5/5435 (2006.01) C08L 69/00 (2006.01)

Patent

CA 2149198

A melt-stable pigmented thermoplastic molding composition is disclosed. Accordingly, to the composition which contains polycarbonate resin and pigment there is imparted an improved level of melt stability upon the incorporation therewith of an additive amount of a melt stabilizer conforming to Image where R1, R2, R3 and n are defined. In an additional embodiment the invention relates to a color concentrate containing polycarbonate resin up to 30% of a pigment and an effective amount of said stabilizer.

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