C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 290/04 (2006.01) C08F 265/04 (2006.01) C09C 3/10 (2006.01) C09C 3/12 (2006.01) C09D 17/00 (2006.01) C09D 155/00 (2006.01)
Patent
CA 2342240
A polymeric dispersant for pigments based on an acrylic graft copolymer wherein the graft copolymer has a weight average molecular weight of at least 1500 and has 2 to 97 % by weight of a polymeric backbone and 97 - 2% by weight of macromonomer side chains attached to the backbone and wherein the graft copolymer has at least about 1 weight percent of an imid or urea functional dispersing substituent attached to the backbone, the macromonomer, or both the backbone and the macromonomer.
Agent dispersant polymère pour pigments, à base de copolymère greffé acrylique, ledit copolymère greffé ayant poids moléculaire moyen en poids d'au moins 1500 et de 2 à 97 % en poids d'un squelette polymère et de 97 à 2 % en poids de chaînes latérales macromonomères attachées au squelette. Le copolymère greffé possède au moins environ 1 pour cent en poids d'un substituant fonctionnel de dispersion imide ou urée attaché au squelette, au macromonomère ou aux deux.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
LandOfFree
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