Articles Based on Conformable Removable Films
A conformal film, conformal technology for film/flake adhesives, layered products, coatings, etc., to solve problems such as film breakage
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[0064] Conformable removable film based articles were prepared using direct contact (flexographic) printing. The resulting construction provides conformable removable film-based articles that provide good removability, as measured by the Peel-Extend-to-Crush test, while providing surface protection of the film through the hardcoat, as demonstrated in the Examples below Show.
[0065] These examples are for illustrative purposes only and are not intended to limit the scope of the appended claims. All parts, percentages, ratios, etc. in the examples, as well as in the remainder of the specification, are by weight unless otherwise indicated. Solvents and other reagents used were obtained from Sigma-Aldrich Chemical Company, St. Louis, Missouri unless otherwise indicated. The following abbreviations BCM = billion cubic microns; m / min = meters per minute; mm = millimeters; cm = centimeters; um = micrometers are used herein.
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example
[0082] Example preparation :
[0083] A flexographic printing plate having the patterns shown in Table 1 was mounted on a smooth roll of a flexographic printing unit using a 1060 Cushion-Mount flex plate mounting belt from 3M Company. Using conventional methods and equipment, the acrylate formulations described above were introduced into a flexographic printing unit and transferred by the anilox rolls shown in Table 1 onto the printing surface of a flexographic printing plate. The printable composition was then transferred from the anilox roll to the printable film F2, moving at a line speed of about 3 meters / minute. The coated film was then passed through a UV curing unit (available from XericWeb, Neenah, WI) in-line with the printing unit, allowing the liquid material to satisfactorily cure to form a solid film. Note that Example E4 was double printed. A first print pass was made and cured, then a second print was applied over the first print and cured (see Table 1).
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