C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/40 (2006.01) C09C 1/62 (2006.01) C09C 1/64 (2006.01) C09D 5/38 (2006.01)
Patent
CA 2299435
The invention provides an aqueous coating composition comprising nonionically and/or anionically stabilized film-forming polymers and metallic pigments and a compound which is the reaction product of a phosphonic acid derivative, a hydroxy-functional addition polymers and, optionally a compound having a hydroxy group, in which the phosphonic acid derivative is selected from one or both of (I) and (II), wherein R and R' are selected from the group consisting of an aliphatic and an aromatic substituent having 1 to 25 carbon atoms optionally including heteroatoms of at least one of oxygen, phosphorus and silicon.
L'invention concerne une composition de revêtement aqueuse comprenant des polymères filmogènes à stabilisation non ionique et/ou anionique, des pigments métalliques et un composé qui est un produit de réaction d'un dérivé d'acide phosphonique, de polymères d'addition à fonction hydroxy et éventuellement d'un composé possédant un groupe hydroxy, dans lequel le dérivé d'acide phosphonique est représenté par les formules (I) ou/et (II). Dans ces formules R et R' sont sélectionnés dans un groupe comprenant un substituant aliphatique et un substituant aromatique qui ont de 1 à 25 atomes de carbone, comprenant éventuellement des hétéroatomes d'au moins un des éléments oxygène, phosphore et silicium.
Berge Charles T.
Bruylants Paul Peter
Huybrechts Josef
Kirshenbaum Kenneth S.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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