C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
40/27
C09J 7/02 (2006.01) C09J 7/04 (2006.01) G09F 3/10 (2006.01) G09F 3/02 (2006.01)
Patent
CA 1326358
ABSTRACT A removable adhesive label with good adhesion to a wide variety of substrates. and ease of removal which is largely independent of the length of time during which the label has been affixed, which includes a printing carrier, a primer comprising isocyanate-terminated compounds, an adhesion layer, and a cover layer. An adhesive repellent layer may be located between the adhesion layer and the cover layer. The primer may include a filler such as highly dispersed, pyrogenic, silicic acid, which may be water repellent by use of dichlorodimethylsilane. Examples of the primer are isocyanate terminated polyurethane, and isocyanate terminated natural rubber. Typically the adhesion layer comprises a polyacrylate dispersed in water, or a natural rubber glue dissolved in a solvent.
545285
Frenkler Dieter
Hurter Hans-Ulrich
Borden Ladner Gervais Llp
Jackstadt Gmbh
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