C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1341
C08L 51/02 (2006.01) C08F 251/00 (2006.01) C09D 151/02 (2006.01) D21H 19/54 (2006.01)
Patent
CA 2025671
A stable aqueous polymeric dispersion comprising a graft copolymer of thinned, gelatinized starch and one or more vinyl grafting monomers, the vinyl monomers including at least 10% by weight 1,3-butadiene is disclosed. Also disclosed are paper coating color compositions comprising the polymeric dispersion and pigments and improved high gloss papers coated with the coating color compositions.
On décrit une dispersion polymérique aqueuse stable comprenant un copolymère greffé d'amidon dilué, gélatinisé et un monomère vinylique de greffage ou plus, les monomères vinyliques comprenant au moins 10 % en poids de 1,3-butadiène. On décrit également des compositions de colorant pour couchage du papier comprenant la dispersion polymérique et des pigments ainsi que des papiers améliorés à haut brillant couchés avec les compositions de colorant pour couchage.
Martin Verne J.
Nguyen Charles C.
Pauley Edward P.
Penford Products Company
Ridout & Maybee Llp
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