Process for the mass colouration of linear polyesters

Details Process for the mass colouration of linear polyesters Process for the mass colouration of linear polyesters

C - Chemistry, Metallurgy

08

K

8/3, 400/7614

C08K 5/45 (2006.01) C08J 3/20 (2006.01) C08K 5/00 (2006.01) C08K 5/35 (2006.01) C08L 67/00 (2006.01) C09B 67/22 (2006.01)

Patent

CA 1125942

Case 3-11344/+ Canada Process for the mass colouration of linear polyesters Abstract of the Disclosure A process for the mass colouration of linear polyesters wherein the colourant is a mixture consisting of 0.05 to 0.35% by weight, based on the amount of poly- ester, of a thioindigo and/or dioxazine pigment and one or more polymer-soluble dyes which are different therefrom. Unexpectedly brilliant strong colorations of excellent lightfastness are obtained.

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