Dispersants for pigment concentrates

B - Operations – Transporting – 01 – F

Patent

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Details

B01F 17/52 (2006.01) C08J 3/22 (2006.01) C08L 23/10 (2006.01) C09B 67/46 (2006.01) C09D 17/00 (2006.01) D01F 1/04 (2006.01)

Patent

CA 2175766

Disclosed is a dispersant for pigment concentrate, which consists essentially of from 0 to 90 % by weight of a substantially amorphous poly-.alpha.-olefin, from 0 to 90 % by weight of polyolefin wax, from 0 to 30 % by weight of crystalline polyolefin, and from 1 to 50 % by weight of a specific polyacrylic acid ester. The preparation of pigment concentrates for the colouring of polyolefin moulding compositions in which the pigment is very finely dispersed is carried out successfully using the dispersant.

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