C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/12 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2679687
The invention relates to a water borne coating composition comprising a polyurethane and a polyisocyanate, wherein the composition further comprises a compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups, with the proviso that said compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups is not a poly(ethylene glycol), and that the polyurethane differs from the material formed by reaction of the polyisocyanate and the compound having a molecular weight of at most 1,000 and having at least two isocyanate-reactive groups.
L'invention porte sur une composition de revêtement à base d'eau comprenant un polyuréthane et un polyisocyanate, ladite composition incluant également un composé d'un poids moléculaire de 1000 au maximum et possédant au moins deux groupes réactifs à l'isocyanate, à condition que ledit composé d'un poids moléculaire de 1000 au maximum et possédant au moins deux groupes réactifs à l'isocyanate ne soit pas un polyéthylène glycol, et que le polyuréthane soit distinct du matériau formé par la réaction entre le polyisocyanate et le composé d'un poids moléculaire de 1000 au maximum et possédant au moins deux groupes réactifs à l'isocyanate.
Orvis Eric
Paquet Donald Albert Jr.
Sample Kirk Martin
Stine Christy
Yahkind Alexander Leo
Akzo Nobel Coatings International B.v.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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