Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1995-05-19
1997-10-14
Le, H. Thi
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
252582, 252589, 252600, 428336, 428407, 428409, 428412, 428446, B32B 516
Patent
active
056770502
ABSTRACT:
Retroreflective sheeting having an abrasion-resistant ceramer coating that is prepared from about 20% to about 80% ethylenically unsaturated monomers; about 10% to about 50% of acrylate functionalized colloidal silica; and about 5% to about 40% N,N-disubstituted acrylamide or N-substituted-N-vinyl-amide monomer having a molecular weight between 99 and 500 atomic mass units; wherein said percentages are weight percents of the total weight of said coating. A method of coating retroreflective sheeting with an abrasion-resistant cured ceramer layer is also disclosed.
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Bilkadi Zayn
May David C.
Hanson Karl G.
Le H. Thi
Minnesota Mining and Manufacturing Company
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