Invention Grant
US09302522B2 Process of preparing printing solution and making patterned cigarette wrappers 有权
制备印刷溶液和制作图案化卷烟包装纸的方法

Process of preparing printing solution and making patterned cigarette wrappers
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.
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