Temperature-sensitive color-changing particles, preparation method thereof and cigarette window filter stick

• Main Authors: DENG TIANTIAN, WU ZHIWEI, LIU MEICHEN, HAO TIANYI, YU HAIHONG
• Format: Patent
• Language: Chinese; English
• Published: 14.11.2023
• Subjects: CIGARETTES; CIGARS; HUMAN NECESSITIES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES; MOUTHPIECES FOR CIGARS OR CIGARETTES; SMOKERS' REQUISITES; TOBACCO; TOBACCO SMOKE FILTERS

The invention provides a temperature-sensitive color-changing particle, a preparation method thereof and a cigarette window filter stick, the temperature-sensitive color-changing particle comprises an inner core, a color-changing layer covering the inner core and an adhesive layer covering the color-changing layer, the inner core is composed of a granulation base material and essence, and the color-changing layer comprises a color-changing material and a coating material. The surface of the inner core is coated with the color-changing layer, so that the tinting strength is higher, and the effect of a color-changing material can be better exerted. The adhesive layer wraps the outer side of the color-changing layer, so that the color-changing material can be protected, the stability of the temperature-sensitive color-changing particles can be improved, the color-changing particles can be effectively prevented from falling off, and the safety when a user smokes a cigarette is guaranteed; in addition, the adhesiv