Label with adhesive and silicone-free release coating
A label having a silicone-free (water-based) release coating and compatible adhesive patch is provided. The label includes a thermally coated substrate having a silicone-free substrate overlaid thereon of a first surface. A second surface includes a microsphere adhesive layer.
1. A method, comprising:
formulating a water-based release coating with a starch, a silicone release agent, a cross-linker, a catalyst, and a fluorochemical component, wherein formulating further includes formulating the water-based release coating with the fluorochemical component comprising approximately 21.45% of a total dry weight for the water-based release coating and with the fluorochemical component comprising approximately 38.87% of a total wet weight for the water-based release coating;
formulating a microsphere adhesive;
applying the water-based release coating on a first surface of a substrate; and
applying the microsphere adhesive on a second surface of the substrate with a coat weight of approximately 9 g/m 2 as an adhesive patch.
2. The method of claim 1 , wherein formulating the water-based release coating further includes formulating the water-based release coating comprising 5-0 wt. % of silicone based on a total weight for the water-based release coating.
3. The method of claim 1 , wherein formulating the water-based release coating further includes formulating the water-based release coating with a selected starch that forms bonds between the microsphere adhesive and the starch.
4. The method of claim 1 , wherein formulating the water-based release coating further includes adjusting the water-based release coating based on performance metrics of a press that performs the applying of the water-based release coating.
5. The method of claim 1 , wherein formulating the microsphere adhesive further includes formulating the microsphere adhesive with:
a rheology modifier, an optical brightening agent, and a defoamer.
6. The method of claim 1 , wherein applying the water-based release coating further includes applying the water-based release coating on top of a thermal print coating that is coated on the first surface of the substrate.
7. The method of claim 1 , wherein applying the microsphere adhesive further includes drying the microsphere adhesive on the second surface of the substrate with driers.
8. The method of claim 7 , wherein drying further includes drying the microsphere adhesive a second time after the driers using fans.
9. The method of claim 1 further comprising, feeding the substrate as a portion of a web of substrates through a press for processing the method.
10. A method, comprising:
applying a water-based release coating having a, fluorochemical component over a thermal print layer coated on a first side of a substrate, wherein applying further includes applying the water-based release coating with the fluorochemical component comprising approximately 21.45% of a total dry weight for the water-based release coating and with the fluorochemical component comprising approximately 38.87% of a total wet weight for the water-based release coating; wherein the water-based release further includes a starch, a non-silicone release agent, a cross-linker, and a catalyst, and
applying a microsphere to a second side of the substrate with a coat weight of approximately 9 g/m 2 wherein the microsphere is a microsphere adhesive comprising a rheology modifier, an optical brightening agent, and a defoamer.
11. The method of claim 10 , wherein applying the microsphere adhesive further includes applying the microsphere adhesive in patches to the second side.
12. The method of claim 10 , wherein applying the microsphere adhesive further includes applying the patches as two adhesive patches with a second adhesive patch applied over a first adhesive patch that is applied directly to the second side.
13. The method of claim 10 , wherein applying the microsphere adhesive further includes applying the microsphere adhesive as a strip that extends from an edge of the second side to a centerline of the substrate on the second side.
14. The method of claim 10 , wherein applying the water-based release coating further includes a lane coating in a form of a lane of the water-based release coating on the first side.