PATTERNED LIGHT-BLOCKING ELEMENTS
摘要:
Patterned light-blocking elements are prepared using a method having operations A′) through F′), or a method having operations A″) through G″). Such methods include providing an ii) embossed and densified foamed opacifying layer on the back side of a i) fabric and a iii) non-foamed function composition on the ii) embossed and densified foamed opacifying layer. Embossing can be carried out using self-embossing or any suitable embossing means including a continuous embossing belt or web or an embossing roller or sleeve. The embossing operation provides a visible relief pattern in the ii) embossed and densified foamed opacifying layer that can be viewed from the face side of the patterned light-blocking element when appropriately backlit as a transmissive display in a darkened environment. Such elements can be used as window treatments as well as decorative fabrics in various environments.
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