Graphene-plant porous composite microspheres and preparation method and application thereof

Abstract

The invention relates to graphene-plant porous composite microspheres and a preparation method and application thereof, and belongs to the technical field of cigarettes. The method comprises the steps: washing perfume plants, removing impurities, performing pulverizing, then putting the pulverized perfume plants in a vacuum freeze dryer, maintaining the pressure at 15-25 kPa and the temperature at-40-20 DEG C for 4-8 hours, then raising the temperature to 10-20 DEG C within 10-25 hours, and performing sieving so as to obtain freeze-dried perfume plant porous particles with a size range of 0.04-4 mm; and mixing the freeze-dried perfume plant porous particles with a graphene material loaded with essence and spice at a ratio, adding a binder by using a spheronization process, and then coating the prepared microspheres with a temperature-sensitive film material so as to obtain the graphene-plant porous composite microspheres. The method is simple and reliable, it can be ensured through the obtained product that the spice does not fail due to storage of a long period of time, and after the product is added to a cigarette filter rod, the fragrance can be released more uniformly and sufficiently when mainstream smoke passes through the cigarette filter rod.

Description

technical field [0001] The invention belongs to the technical field of cigarettes, and in particular relates to a graphene-plant porous composite microsphere and a preparation method and application thereof. Background technique [0002] Traditional cigarette consumption mainly focuses on physiological satisfaction, while modern cigarettes pay more attention to the individual characteristics of cigarette products in addition to the characteristics of traditional cigarettes. The development of cigarette brands has reached the stage of enhancing the market competitiveness of products by highlighting the style characteristics of cigarettes and improving the technical level, so as to meet the needs of different consumer groups for cigarette products. Adding flavoring to cigarettes can effectively improve the smoking quality of cigarettes and endow cigarette products with certain style characteristics. However, this method has certain shortcomings due to participation in the comb...

AI Technical Summary

Problems solved by technology

Although the currently commonly used adsorbent method and incense thread method can modify and improve to a certain extent through the volatilization of essence into the mainstream smoke when cigarettes are smoked, there is uneven release and the loss of aroma substances with the prolongation of storage time, resulting in Unstable product quality

The functional particles for cigarettes composed of polymer film wrapped and loaded with flavor are added to the cigarette filter rod, so that consumers can feel the released flavor when smoking. However, in view of the stability of the polymer film, mainstream smoke contains The film is difficult to completely rupture, so the controlled release of tobacco flavor is limited

Currently commonly used filter stick plant particles, based on the filter stick molding process and related standards, generally have a particle size range of 20-60 mesh and a moisture content of ≤ 7%. There are still certain difficulties in using it as a large-capacity fragrance carrier, and The adsorption performance of the granule itself usually competes with cigarette shreds and cigarette pack lining paper for adsorption. Simple granule flavoring has a long storage time, and functional additives or flavors and fragrances are easy to volatilize and escape, and cannot produce the expected effect, etc.