C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 67/22 (2006.01) C08G 63/68 (2006.01) C08G 63/685 (2006.01) C08G 63/688 (2006.01)
Patent
CA 2170145
This invention provides certain blue substituted 1,4-bis(2,6dialkylanilino) anthraquinones in combination with selected red anthraquinone and anthrapyridone (3H dibenz[fij] isoquinoline-2,7-dione) compounds which provide a toner system useful in imparting a desirable neutral to slightly blue hue to polyesters having a yellow appearance. The thermally stable colored compounds can have polyester reactive groups and are preferably incorporated into the polyester polymer structure during polymerization.
L'invention concerne certaines 1,4-bis(2,6-dialkylanilino)anthraquinones bleues à substitution combinées à des anthraquinones rouges choisies et à des composés d'anthrapyridone (3H-dibenz¢f, ij! isoquinoline-2,7-dione), composés qui produisent un système de pigments permettant de conférer une teinte neutre à légèrement bleue souhaitable à des polyesters d'aspect jaune. Les composés colorés stables à la chaleur peuvent comporter des groupes réagissant avec le polyester, et sont de préférence incorporés à la structure du polymère de polyester pendant la polymérisation.
Hilbert Samuel David
Parham William Whitfield
Pruett Wayne Payton
Rhodes Gerry Foust
Weaver Max Allen
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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