Polymeric dispersants and non-aqueous dispersions
AssigneeAgfa Graphics NV
InventorsXavier André, Johan Loccufier
Life of this patent
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Abstract
A non-aqueous pigment dispersion includes a pigment, a non-aqueous dispersion medium, and a polymeric dispersant including at least one oxalylamide structural unit according to Formula (I): wherein: R1 represents a first polymeric moiety selected from the group consisting of a linear polymeric moiety, a star shaped polymeric moiety, a dendritic polymeric moiety, a branched polymeric moiety, and a hyperbranched polymeric moiety; and R2 represents a second polymeric moiety selected from the group consisting of a polyester, a polyether, a polyamide, a polyacrylate, a polymethacrylate, or copolymers thereof.
Claims15
1-15. (canceled)
A non-aqueous pigment dispersion comprising:
- a pigment;
- a non-aqueous dispersion medium;
- and
- a polymeric dispersant including at least one oxalylamide structural unit according to Formula (I):
- wherein:
- R1 represents a first polymeric moiety selected from the group consisting of a linear polymeric moiety, a star shaped polymeric moiety, a dendritic polymeric moiety, a branched polymeric moiety, and a hyperbranched polymeric moiety;
- and
- R2 represents a second polymeric moiety selected from the group consisting of a polyester, a polyether, a polyamide, a polyacrylate, a polymethacrylate, or copolymers thereof.
Dependencies are inferred from the claim text.