A cigarette and cigarette paper have a plurality of multilayer bands formed by printing a highly viscous aqueous film-forming composition. After heating the composition to lower its viscosity, the bands are applied to the cigarette paper by gravure printing the composition. The composition is quench
A cigarette and cigarette paper have a plurality of multilayer bands formed by printing a highly viscous aqueous film-forming composition. After heating the composition to lower its viscosity, the bands are applied to the cigarette paper by gravure printing the composition. The composition is quenched and gelatinized by contact with the cool cigarette paper reducing absorption of water by the paper and reducing wrinkling, cockling, and waviness. Multiple gravure printed layers may be used to form the bands.
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1. A method of making banded cigarette paper comprising the steps of: advancing cigarette paper to a first printing station;printing a first layer of a film-forming composition directly on the cigarette paper, the composition comprising a viscous aqueous solution of 20 to 50% by weight of a film-for
1. A method of making banded cigarette paper comprising the steps of: advancing cigarette paper to a first printing station;printing a first layer of a film-forming composition directly on the cigarette paper, the composition comprising a viscous aqueous solution of 20 to 50% by weight of a film-forming compound, including: heating the film-forming composition;applying the heated film-forming composition to a patterned gravure cylinder;contacting the advancing cigarette paper with the patterned gravure cylinder; andgelling the film-forming composition by contact with the cigarette paper surface and by quenching the film-forming composition so that the film-forming composition does not disrupt planarity of the cigarette paper wherein the quenching step includes using a nip roller while cooling the nip roller. 2. The method of making banded cigarette paper of claim 1, wherein the film-forming composition is heated to a temperature in the range of 40° to 90° C. 3. The method of making banded cigarette paper of claim 2, wherein the upper limit of the temperature of the heating step is selected to avoid scorching the film-forming composition. 4. The method of making banded cigarette paper of claim 1, wherein the quenching step also includes cooling the cigarette paper. 5. The method of making banded cigarette paper of claim 1, including the step of printing a second layer of the film-forming composition on top of the first layer. 6. The method of making banded cigarette paper of claim 5, wherein the plurality of layers have a combined coat weight in the range of 0.5 to 15 gsm. 7. The method of making banded cigarette paper of claim 6, wherein the plurality of layers have a combined coat weight of about 5 gsm. 8. The method of making banded cigarette paper of claim 5, wherein the second layer is printed with a coat weight about 50% greater than the coat weight of the first layer. 9. The method of making banded cigarette paper of claim 5, wherein a third layer is printed with a coat weight about 150% greater than the coat weight of the first layer. 10. The method of making banded cigarette paper of claim 1 wherein permeability of the cigarette paper through the film-forming layer lies in the range of 0 to about 15 Coresta units. 11. The method of making banded cigarette paper of claim 1, wherein the film-forming compound is selected from the group consisting of starch, alginate, carrageenan, guar gum, pectin, calcium carbonate, and citrates. 12. The method of making banded cigarette paper of claim 1, further including the step of patterning the gravure cylinder by one of engraving, chemical engraving, electronic engraving and photo etching. 13. The method of making banded cigarette paper of claim 1, further including the step of heating a gravure cylinder to limit premature cooling of the film-forming composition. 14. The method of making banded cigarette paper of claim 1, wherein at least one printing step includes using a cooled impression cylinder to accelerate gelatinization. 15. The method of claim 1, wherein the film-forming composition is heated to a temperature in the range of 40° C. to 90° C. and then cooling the film-forming composition to room temperature. 16. The method of claim 1, wherein the film-forming composition comprises water and starch. 17. The method of claim 1, wherein the film-forming composition comprises water and carrageenan. 18. The method of claim 1, wherein the film-forming composition comprises water and guar gum. 19. The method of claim 1, wherein the film-forming composition comprises water and pectin. 20. The method of claim 1, wherein the film-forming composition comprises water and an oxidized starch. 21. The method of claim 1, wherein the film-forming composition comprises water and tapioca. 22. The method of making banded cigarette paper of claim 1, including the further step of printing at least a second layer of the film-forming composition on the first layer. 23. The method of making banded cigarette paper of claim 1, wherein the aqueous film-forming composition comprises starch and calcium carbonate. 24. The method of claim 1, wherein the film-forming composition comprises water, starch and calcium carbonate.
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