C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 220/56 (2006.01) C09D 17/00 (2006.01) C09D 133/04 (2006.01) C09D 133/14 (2006.01) C09D 133/26 (2006.01) C09D 157/00 (2006.01) D21H 19/58 (2006.01)
Patent
CA 2378448
A coating colour composition comprising an aqueous dispersion of (a) a pigment, (b) a binder, (c) a fluorescent whitener and (d) a water-soluble polymer formed from a water-soluble ethylenically unsaturated monomer or monomer blend, characterised in that the water-soluble polymer consists essentially of, (i) 90 to 100 mole % hydrophilic essentially nonionic repeating units and, (ii) 0 to 10 mole % anionic repeating units and has an average molecular weight of between 50,000 and 500,000.
L'invention concerne la composition d'une sauce de couchage comprenant une dispersion aqueuse qui renferme : (a) un pigment, (b) un liant, (c) un agent de blanchiment fluorescent et (d) un polymère hydrosoluble formé à partir d'un monomère ou d'un mélange de monomère hydrosoluble éthyléniquement insaturé, caractérisé en ce que le polymère hydrosoluble est essentiellement constitué de, (i) 90 à 100 mole % d'unités répétitives hydrophiles essentiellement non ioniques et, (ii) 0 à 10 mole % d'unités répétitives anioniques et présente un poids moléculaire moyen se situant entre 50 000 et 500 000.
Cockcroft Robert
Weston Philip Mark
Ciba Specialty Chemicals Water Treatments Limited
Fetherstonhaugh & Co.
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