Process of preparing printing solution and making patterned cigarette wrapper
AssigneeAltria Client Services LLC
InventorsMarc Rose, Timothy S. Sherwood, Robert N. Smith
Life of this patent
Estimating the term…
Abstract
A process for making patterned cigarette wrapper includes the steps of: preparing a printing solution including the steps of: mixing at least water and a starch to form a starch mixture, heating the starch mixture to a temperature of at least about 180° F. preferably for at least about 30 minutes to release amylopectin and amylose, adding propylene glycol to the starch mixture, and mixing the starch mixture and propylene glycol to form a printing solution, wherein the solution is maintained and applied at elevated temperature (120° F. to 150° F.). The process also includes providing a base web of wrapper and applying the printing solution to the wrapper in a predetermined pattern.
Claims5
A process of preparing an aqueous starch solution suitable for printing, the process comprising:
- contacting water and a starch to form an aqueous starch solution;
- heating the aqueous starch solution at a first temperature, the first temperature being greater than about 180° F., holding the aqueous starch solution at the first temperature for a first time period, the first time period being sufficient to release at least one of amylopectin and amylose;
- contacting propylene glycol with the aqueous starch solution during the first time period in a sufficient quantity to form a printable solution having anti-wrinkling and anti-microbial properties;
- after the first time period, cooling the printable solution to a second temperature, the second temperature being greater than or equal to about 120° F. to less than or equal to about 150° F.;
- and
- holding the printable solution at the second temperature for a second time period, the second time period continuing until the printable solution is utilized in printing to reduce premature gelation of the printable solution.
A process of preparing an aqueous starch solution suitable for printing comprising:
- contacting water and a starch to form an aqueous starch solution;
- heating the aqueous starch solution to a first temperature, the first temperature being greater than about 180° F.;
- holding the aqueous starch solution at the first temperature for a first time period, the first period being sufficient release at least one of amylopectin and amylose;
- contacting propylene glycol to the aqueous starch solution during the first time period in sufficient quantity to provide a printable solution having anti-wrinkling and anti-microbial capacities;
- after the first time period, cooling the printable solution to a second temperature, the second temperature being greater than or equal to about 120° F. to less than or equal to about 150° F.;
- holding the printable solution at the second temperature until utilized in printing so as to reduce gelation of the printable solution;
- and
- contacting calcium carbonate to the printable solution before the printing.
A process of preparing an aqueous starch solution suitable for printing comprising:
- establishing an aqueous starch mixture by mixing water and a starch;
- heating the aqueous starch mixture to a first temperature, the first temperature being sufficient to establish a cooked aqueous starch solution;
- and
- stabilizing the cooked aqueous starch solution, the stabilizing including:
- holding the cooked aqueous starch solution at the first temperature for a first time period, the first time period being sufficient to release at least one of amylopectin and amylose;
- adding a stabilizing agent to the cooked aqueous starch solution during the first time period so as to form a stabilized, cooked aqueous starch solution;
- and
- maintaining the stabilized, cooked aqueous starch solution at a second temperature greater than or equal to about 120° F. to less than or equal to about 140° F. until the stabilized, cooked aqueous starch solution is utilized in printing so as to reduce gelation of the printable solution.
Dependencies are inferred from the claim text.