Method for the production of a pigment preparation for...

Details Method for the production of a pigment preparation for... Method for the production of a pigment preparation for...

C - Chemistry, Metallurgy

08

J

18/1211, 400/521

C08J 3/20 (2006.01) C08J 3/22 (2006.01) C08L 67/00 (2006.01)

Patent

CA 1142286

Abstract of the Disclosure The invention provides a method for the production of a pigment preparation for colouring linear polyesters in the met, which comprises forming a concentrate from 20 to 80 parts by weight of pigment and 80 to 20 parts by weight of a polyester which melts between 60° and 160°C. by kneading in the presence of a salt and asolvent or by a flushing the pigment into the melt of the polyester, mixing said concentrate with a fibre forming linear polyester, melting the mixture and processing it to granules. The invention also provides the pigment preparation obtained by the process and the linear polyesters coloured therewith.

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