Multifunctional paper identification label
View Patent ↗A multifunctional identification label comprises a paper substrate formed from a cellulose furnish including 1 to 2.5 percent of a wet strength resin and a rosin size. A front side of the substrate is machine glazed, coated with a print receptive coating, and printed with a bar code. The back side of the substrate has a coating comprising one or more pigments selected from the group of clay, magadite and mixtures thereof, a binder, and 1 to 2.5 parts by dry weight of pigment of a salt. A conductive ink antenna is printed on the back side coating. A RFID chip is secured to the back side of the coated substrate and electrically connected to the antenna. Embodiments of the invention include a pressure sensitive adhesive label including RFID and bar code identification, a ticket adapted for printing on both sides incorporating RFID identification, and an RFID insert.
1. A label comprising:
a first paper substrate formed from a cellulose furnish, said cellulose furnish including 1 to 2.5 percent wet strength resin, the percentage being based on a dry fiber weight of the cellulose furnish, a first side of said first substrate being machine glazed;
an antenna receptive coating on a second side of said first substrate, said antenna receptive coating comprising one or more pigments selected from the group of clay, magadite and mixtures thereof, a binder, and 1 to 2.5 parts by dry weight of pigment of a salt;
a conductive ink antenna on said antenna receptive coating; and
a chip secured to said antenna receptive coating and electrically connected to said conductive ink antenna.
2. The label as in claim 1 further comprising a print receptive coating on the first side of said first substrate; and a bar code printed on said first side coating.
3. The label as in claim 1 further comprising a pressure sensitive adhesive on said antenna receptive coating and a release liner over said pressure sensitive adhesive.
4. The label as in claim 1 further comprising a second paper substrate adhered to said antenna receptive coating, said chip being sandwiched between said first and second substrates.
5. The label as in claim 4 further comprising a first print receptive coating on the first side of said first substrate, and a second print receptive coating on an outer side of said second substrate.
6. The label as in claim 1 , wherein said antenna receptive coating pigments are substantially 100 percent magadite nano-pigment.
7. A label comprising:
a paper substrate formed from a cellulose furnish, said cellulose furnish including 1 to 2.5 percent of a wet strength resin and about 0.5 percent sizing agent, the percentages being based on a dry fiber weight of the cellulose furnish, and a first side of said substrate being machine glazed;
a first print receptive coating on the first side of said substrate;
a bar code printed on the first side coating;
an antenna receptive coating on a second side of said substrate, said antenna receptive coating comprising one or more pigments including magadite nano-pigment, a binder, and 1 to 2.5 parts by dry weight of pigment of a salt;
a conductive ink antenna printed on said antenna receptive coating;
a chip secured to said antenna receptive coating and electrically connected to said conductive ink antenna; and
a protective sheet adhered over said chip.
8. The label as in claim 7 wherein said binder of said antenna receptive coating comprises 17 to 35 parts by dry weight of pigment of a starch.
9. The label as in claim 7 wherein said protective sheet comprises a release liner which is adhered to said paper substrate with a pressure sensitive adhesive.
10. The label as in claim 7 wherein said protective sheet comprises a paper sheet adhered at least in part to said antenna receptive coating.
11. The label as in claim 10 further comprising a second print receptive coating on an outer surface of said paper sheet.
12. A method of making a multifunctional label, comprising the steps of
forming a substrate from a cellulose furnish including 1 to 2.5 percent wet strength resin and a sizing agent, the percentage being based on a dry fiber weight of the cellulose furnish;
restraint drying a first side of the substrate with a Yankee cylinder;
coating the first side of the substrate with a print receptive coating;
coating a second side of the substrate with coating comprised of one or more pigments selected from the group of clay, magadite and mixtures thereof, a binder, and 1 to 2.5 parts by dry weight of pigment of a salt;
printing the first side coating of the substrate with a bar code;
printing a conductive ink antenna onto the second side coating;
adhering a chip onto the second side coating and electrically connecting the chip to the conductive ink antenna; and
adhering a protective sheet to the second side coating over the chip.
13. The method as in claim 12 further comprising the step of hot soft calendering the coated two side substrate after the coating steps and before the printing steps, the hot soft calender having at least one nip formed between a steel roll and a soft roll, the first side coating being on the soft roll side and the second side coating being on the steel side of the nip.
14. A label comprising:
a paper substrate formed from a cellulose furnish, said cellulose furnish including 1 to 2.5 percent of a wet strength resin and about 0.5 percent sizing agent, the percentages being based on a dry fiber weight of the cellulose furnish, and a first side of said paper substrate being machine glazed;
a print receptive coating on the first side of said paper substrate;
an antenna receptive coating on a second side of said paper substrate, said antenna receptive coating comprising magadite nano-pigment, a latex binder, and 1 to 2.5 parts by dry weight of pigment of a salt;
a conductive ink antenna printed on said antenna receptive coating;
a chip secured to said antenna receptive coating and electrically connected to said conductive ink antenna; and
a protective sheet adhered over said chip.
15. The label as in claim 14 , wherein said magadite nano-pigment is substantially the only pigment in said antenna receptive coating.