Compound, preparation and use

Details Compound, preparation and use Compound, preparation and use

C - Chemistry, Metallurgy

07

F

C07F 9/09 (2006.01) B01F 17/00 (2006.01) C08G 63/692 (2006.01) C09D 7/02 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2236143

A dispersant which is a phosphate ester of a block copolymer of formula MeO(C2H4O)m(PES)n-H wherein PES is derived from .epsilon.-caprolactone, m is 5- 60, n is 2-30 and the MW of MeO(C2H4O)m is greater than the MW of (PES)n and use in aqueous-based paints and printing inks.

Cette invention concerne un agent dispersant qui est un phosphate ester d'un copolymère séquencé représenté par la formule MeO(C¿2?H¿4?O)¿m?(PES)¿n?-H dans laquelle PES est dérivé de .epsilon.-caprolactone, m est compris entre 5 et 60, n est compris entre 2 et 30 et le poids moléculaire de MeO(C¿2?H¿4?O)¿m? est supérieur à celui de (PES)¿n?. L'invention concerne également l'utilisation de cet agent dispersant dans des encres d'impression et dans des peintures à base aqueuse.

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