Patent ID: 7449242
Filing Date: 2008-11-11
Classification: B05D,C08G,C09D,Y10T

Abstract:
1. A process for coating an auto body or auto part which comprises applying a base coating of a pigmented coating composition to a substrate; applying a top-coating of a clear coating over the base coating; and curing the base coating and top-coating to form a base coat/clear coat finish on the substrate, wherein the improvement comprises using as the clear top-coating, a clear coat composition which comprises a binder consisting essentially of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: wherein R is a hydrocarbon radical selected from a C m equals 0 to 4 an n equals on average 1 to 4; X and Y independently are O or NR R Z is selected from a C p and q are equal to 0 or 1, if p and q equal to 1, the —NH-Z fragment can be bound to either C s is equal to 0 or 1, with the proviso that s can only be 0 when p equals 1 and X═NR R R r is equal to 0 to 4.