C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 7/04 (2006.01) C09D 133/08 (2006.01) C09D 167/00 (2006.01)
Patent
CA 2640850
Disclosed are methods for reducing the time required to produce a mar and/or scratch resistant coating on a substrate. The methods comprise (a) applying a coating composition to the substrate, then (b) partially crosslinking crosslinkable components in the composition, and then (c) allowing the coating composition to post cure, wherein, between steps (b) and (c), and after step (c), a mar and/or scratch resistant coating is present on the substrate. Also disclosed are substrates, such as plastic substrates, at least partially coated with a coating produced by such methods as well as related articles of manufacture.
La présente invention concerne des méthodes de réduction de la durée nécessaire pour appliquer un revêtement résistant aux rayures sur un substrat. Les méthodes comprennent les étapes consistant à (a) appliquer une préparation de revêtement sur le substrat, puis (b) réticuler partiellement les composants réticulables de la préparation, puis (c) laisser reposer la préparation de revêtement pour autoriser son durcissement, où, entre les étapes (b) et (c), et après l'étape (c), un revêtement résistant aux rayures est présent sur le substrat. La présente invention concerne également des substrats, tels que des substrats plastiques, au moins partiellement revêtus d'un revêtement obtenu par de telles méthodes, ainsi que les articles manufacturés correspondant.
Hu Shengkui
Kutchko Cynthia
Mayo Michael A.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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