ULTRA-FLEXIBLE RETRO-REFLECTIVE SHEETING WITH COATED BACK SURFACE

摘要

PURPOSE: An ultra-flexible retro-reflective sheet is provided to improve a retro-reflective capability by having coated back surface. CONSTITUTION: The retro-reflective article comprises an ultra-flexible structured retro-reflective sheeting (10) having a front surface and a back surface, the sheeting (10) retro-reflecting light entering through the front surface, wherein the sheeting comprises an overlay film (12), a two-dimensional array (14) of substantially independent structured elements, the structured elements bonded to the overlay film, and a sealing film (16) forming the back surface of the sheeting and bonded to the overlay film (12) between the structured elements; a plurality of indentations (22) in the sealing film (16); and a seal coat located on the sealing film, wherein the seal coat at least partially fills the indentations in the sealing film (16).