C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 7/12 (2006.01) C09D 5/02 (2006.01)
Patent
CA 2554032
The invention relates to a stain blocking water borne coating composition, preferably for clear coats, comprising an organic binder and as stain blocking agent at least one type of inorganic nano-particles having a layered structure and a crystal structure with positively charged layers. Further, the invention relates to a method for coating a substrate comprising water extractable staining agents wherein the substrate is coated with an organic water borne coating composition comprising as stain blocking agent at least one type of inorganic nano-particles, preferably having a layered structure and a crystal structure with positively charged layers and to coated substrates obtainable by this method.
Une composition de revêtement aqueux antitache, de préférence pour enduit lustré comprenant un nid organique et un agent antitache dont au moins un type de nanoparticules inorganiques présente une structure en couche et une structure cristalline ayant des couches chargées positivement. Un procédé de revêtement d'un substrat comprenant des agents colorants pouvant être extraits dans l'eau, le substrat étant revêtu d'une composition de revêtement aqueux organique comprenant un agent antitache dont au moins un type de nanoparticules inorganiques ont de préférence une structure en couche et une structure cristalline ayant des couches chargées positivement, ainsi que des substrats revêtus que l'on peut obtenir grâce à ce procédé.
Klijn Teunis Abram
Mestach Dirk Emiel Paula
Twene Derrick
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
Nuplex Resins B.v.
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