C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 7/12 (2006.01) C08K 5/00 (2006.01) C09D 201/06 (2006.01)
Patent
CA 2253202
A durability enhancing agent which is an ultraviolet light absorbing compound or hindered amine light stabilizer covalently bonded to a monomeric, oligomeric or polymeric component. The durability enhancing agent includes more than one carbamate functional group, group convertible to a carbamate group, or group that is cross-linked via a carbamate group. The durability enhancing agent may also have other reactive functionality thereon. Also included is a coating composition including the durability enhancing agent.
L'invention porte sur un agent augmentant la durabilité, consistant en un composé absorbant le rayonnement UV ou un stabilisateur de lumière d'amines bloquées, lié par covalence à un composant monomère, oligomère ou polymère. L'agent augmentant la durabilité comporte plus d'un groupe fonctionnel carbamate, d'un groupe convertible en groupe carbamate ou d'un groupe réticulé par l'intermédiaire d'un groupe carbamate. Ledit agent peut également présenter d'autre fonctionnalités réactives. L'invention porte également sur une composition pour revêtements contenant le susdit agent.
Boisseau John E.
Oberg Patricia K.
Ohrbom Walter H.
Rehfuss John W.
St. Aubin Donald L.
Basf Corporation
Robic
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