Substrate comprising an abrasion-resistant diffusion barrier...

Details Substrate comprising an abrasion-resistant diffusion barrier... Substrate comprising an abrasion-resistant diffusion barrier...

2005-02-15

2005-02-15

Dye, Rena (Department: 1774)

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

C428S142000, C428S212000, C428S213000, C428S323000, C428S327000, C427S386000, C427S385500, C427S387000, C427S314000, C427S316000, C427S553000, C427S557000

Reexamination Certificate

active

06855396

ABSTRACT:
A substrate has an abrasion-resistant diffusion barrier layer system having: a hard base layer including a coating composition based on a polymer containing reactive surface groups; and a nanostructured topcoat obtained by applying a nanoscale composition comprising sol particles and/or particulate solids to the basecoat and then curing it. The system features good abrasion resistance and diffusion barrier effect, and is particularly suitable as a protective coat for plastic substrates.

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