C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 17/00 (2006.01)
Patent
CA 2678745
The invention relates to an aqueous pigment composition comprising polyalkylene glycol and inorganic pigment particle comprising colloidal silica or silicate based particles or aggregates thereof, wherein polyalkylene glycol constitutes from 50 to 100 wt% of the total amount of organic material in the composition and the weight ratio of colloidal silica 5 or silicate based particles or aggregates thereof to organic material in the composition is from 1:3 to 30:1. The invention further relates to a process for its production, use thereof, a process for coating paper or paper board and coated paper or paper board.
L'invention concerne une composition de pigment aqueuse qui comporte un polyalkylèneglycol et une particule de pigment inorganique comportant des particules à base de silice colloïdale ou de silicate ou des agrégats de celles-ci, le polyalkylèneglycol constituant 50 à 100 % en poids de la quantité totale de matériau organique dans la composition et le rapport en poids de particules à base de silice colloïdale ou de silicate ou d'agrégats de celles-ci sur le matériau organique dans la composition étant de 1:3 à 30:1. L'invention concerne en outre un procédé pour sa production, son utilisation, un procédé de revêtement de papier ou de carton et le papier ou le carton couché.
Andersson Kjell Rune
Eriksson Olof
Lindgren Erik
Wildlock Ylva
Akzo Nobel N.v.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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