Article coated with intermingled epoxy and urethane layers

Details Article coated with intermingled epoxy and urethane layers Article coated with intermingled epoxy and urethane layers

1993-12-10

1994-08-23

Kight, III, John

Stock material or miscellaneous articles

Composite

Of epoxy ether

428325, 428414, 4284255, 4284258, 4289088, B32B 2738

Patent

active

053406524

ABSTRACT:
An article generally comprises an epoxy base coat and a urethane top coat which has particular use for application. The epoxy composition is generally a two-part, 100 percent volatile-free system containing one or more hardeners which are reacted with an epoxy component such as the glycidyl ether of bisphenol-A. The urethane composition is also generally a two-part, 100 percent volatile-free system containing a polyisocyanate component and an intermediate component comprising a polylactone polyol, and/or a polyether polyol, a polyester polyol, or a polyether-ester polyol, an aliphatic polyol chain extender and a moisture scavenger. The two-part epoxy composition can be applied to a road with the urethane composition coated thereon whereupon it serves as a lane marker. The urethane composition has exceptional weatherability, abrasion-resistance and non-yellowing characteristics. Various reflective compounds such as glass beads can be applied thereto which are partially embedded therein and have good night as well as wet night reflective properties.

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Ferrell, Victor, "Concrete coatings combine compliance with performance" Modern Paints and Coatings, vol. 81, (11), 1991, pp. 48-50, CA: 116(20) 1962916 Abstract.

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