C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/62 (2006.01) C08G 18/80 (2006.01) C09D 133/10 (2006.01)
Patent
CA 2284284
A powder paint coating composition comprising a binder which is comprised of two components wherein: (a) one of said components includes one or more acrylate polymers derived from two or more monomers with the proviso that at least 15 percent of said two or more monomers comprises a cyclic acrylate monomer having a homopolymer glass transition temperature greater than about 75 ~C; and (b) the other of said components includes one or more cross-linking agents; wherein upon application to a surface and heating thereafter, said coating cross-links and forms a thin irreversible film is provided.
L'invention concerne une composition de peinture en poudre pour revêtement comprenant un liant constitué de deux composants, caractérisée en ce que: (a) l'un desdits composants comprend un ou plusieurs polymères acrylates dérivés de un ou plusieurs monomères à condition qu'au moins 15 % des deux monomères ou plus renferment un monomère acrylate cyclique possédant une température de transition vitreuse homopolymérique supérieure à 75 ·C environ; et (b) l'autre composant comprend un ou plusieurs agents de réticulation; et en ce que ledit revêtement, une fois appliqué sur une surface puis chauffé, réticule et forme un film mince irréversible.
Hopkins Kimberly D.
Zezza Charles
Rhodia Inc.
Smart & Biggar
LandOfFree
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