Non-uniformly coated tobacco sheet as well as preparation method and application thereof

• Main Authors: RAO XIANLI, HE HONGMEI, WU JIA, SUN JINHAO, LI SHAOPENG, TIAN ZHEN, WANG JINLING, ZHANG LI
• Format: Patent
• Language: Chinese; English
• Published: 01.08.2023
• Subjects: CIGARETTES; CIGARS; HUMAN NECESSITIES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES; MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING ORCHEWING; MOUTHPIECES FOR CIGARS OR CIGARETTES; SMOKERS' REQUISITES; SNUFF; TOBACCO; TOBACCO SMOKE FILTERS

The invention relates to a non-uniformly coated tobacco sheet and a preparation method and application thereof.The preparation method includes the steps that a tobacco sheet base is subjected to gradient coating through coating liquid containing tobacco extract, the non-uniformly coated tobacco sheet is obtained, and the non-uniformly coated tobacco sheet is used for preparing heating cigarette cartridges. According to the non-uniformly coated tobacco sheet and the preparation method thereof provided by the invention, the content of the tobacco extract in the tobacco sheet can be sequentially reduced or increased, so that the sense organs before and after smoking of a prepared heated cigarette are consistent, and the problems that the smoke concentration in the early stage is too high and the smoke concentration in the later stage is insufficient are avoided. 本发明涉及一种非均匀涂布烟草薄片及其制备方法和应用，所述制备方法包括采用含有烟草提取物的涂布液对烟草片基进行梯度涂布，得到所述非均匀涂布烟草薄片，所述非均匀涂布烟草薄片用于制备加热卷烟烟弹。本发明提供的非均匀涂布烟草薄片及其制备方法能够使烟草薄片中烟草提取物的含量依次降低或升高，进而使其制备得到的加热卷