Copolymerized methine colorant-polyester color concentrates

Details Copolymerized methine colorant-polyester color concentrates Copolymerized methine colorant-polyester color concentrates

C - Chemistry, Metallurgy

08

G

C08G 63/685 (2006.01) C09B 69/10 (2006.01)

Patent

CA 2048992

Disclosed are polyester color concentrates, especially amorphous and partially-crystalline, polyester color concentrates, comprising a polyester having copolymerized therein colored residues of at least one polyester-reactive, thermally-stable methine colorant compound. The color concentrates may be used to impart yellow shades and colors to various polymeric materials, shaped articles fabricated of and coating formulated from such polymeric materials and, especially, personal, medical and home care products where non-extractability of the colorant material is esential. Also disclosed are colored semicrystalline powders de- rived from the color concentrates.

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