C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 7/00 (2006.01) C09D 5/04 (2006.01) C09D 11/02 (2006.01)
Patent
CA 2506631
The present invention is directed a rheology control additive for solvent based coating and ink formulations comprising an overbased carboxylate or sulfonate in combination with a hydrocarbyl succinic anhydride based dispersant. The combination of dispersant with carboxylate or sulfonate offers proportionately less viscosity decrease at elevated temperatures and control of viscosity under various shear rates.
La présente invention concerne un additif rhéologique pour formulations d'encre et d'enduit à base de solvant, contenant un carboxylate ou sulfonate fortement basique en combinaison avec un agent dispersant à base d'anhydride succinique hydrocarbyle. La combinaison de cet agent dispersant avec du carboxylate ou sulfonate permet une diminution de viscosité à température élevée proportionnellement moindre et une régulation de la viscosité à diverses vitesses de cisaillement.
Baumann Albert F.
Larsen John H.
Malchow George A. Jr.
Mathur Naresh C.
Perz John S.
Baumann Albert F.
Larsen John H.
Malchow George A. Jr.
Mathur Naresh C.
Perz John S.
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