Reversible phase-change atomized liquid gel containing sugar-amide-aryl-hydrocarbyl four-segment sugar-based gelling agent and its preparation method and application

Abstract

The invention discloses a reversible phase-change atomized liquid gel comprising a glycosyl-amido-aryl-hydrocarbyl four-stage sugar-based gelling agent, based on mass percentage, which includes: sugar-based gelling agent, 0.1-3.0 wt%; atomized liquid, 97.0-99.9wt%; the chemical structural formula of the sugar-based gelling agent is: wherein: S is a sugar group; A(R)n is an aryl group with an alkyl or alkoxy group, and 1≤ n≤5. The atomized liquid gel of the present invention has thermal reversible and / or shear reversible phase transition characteristics, the gel-sol phase transition temperature is 188°C-248°C, and the gel-sol phase transition critical shear stress is 110-800Pa. After heating and / or shaking, the atomized liquid gel changes from a gel state to a sol state, and the fixed atomizing agent in the gel is released to form an inhalable aerosol; when the heating and / or shaking is stopped, the sol state gel quickly recovers In the gel state, the non-atomized aerosol is fixed in the gel. The atomized liquid gel of the present invention can solve the problem of smoke liquid leakage of the atomizer caused by smoke condensate after the suction is stopped, as well as changes in air pressure or external force during transportation.

Description

technical field [0001] The invention belongs to the technical field of gels, in particular to an atomized liquid gel with reversible phase change characteristics and a glycosyl-amido-aryl-hydrocarbyl four-stage sugar-based gelling agent derived from sugars and its Preparation methods and applications. Background technique [0002] Supramolecular organogels are non-glassy, ​​non-crystalline thermoreversible solid materials comprising a three-dimensional network (solid phase) made of entangled and self-assembled gelling agent fibers and their immobilized organic continuous phase ( liquid phase). Supramolecular organogels contain mainly organic liquids with rheological behavior and solid appearance. The continuous organic phase includes organic solvents, vegetable oils or mineral oils, and the organic solvents that can be gelled include aliphatic and aromatic hydrocarbons, alcohols, silicone oil, dimethyl sulfoxide, and the like. The gelling agent is a small molecular weight...

AI Technical Summary

Problems solved by technology

The former brings the practical problems of increased R&D costs, complicated structure and manufacturing process. In addition, air circulation is required during the use of the atomizer, and it is impossible to completely isolate the atomizer from the outside atmosphere, so it is still difficult to control the leakage of e-liquid; The solid (semi-solid) e-liquid involved in the latter not only has a complicated preparation process, but also has no reversible phase transition performance or a low phase transition temperature, that is, it can only be melted by heat and cannot return to the original solid state (semi-solid) Or it needs to be cooled to a lower temperature (such as 40°C) to restore the original solid state (semi-solid), resulting in solid (semi-solid) e-liquid even if it can improve the leakage of e-liquid during storage and transportation, but the ambient temperature is slightly higher , slight vibration, and repeated temperature rises and falls in the use of electronic cigarettes, etc., the solid (semi-solid) e-liquid will liquefy and it is difficult to return to its original solid state (semi-solid), and as a result, there is still the problem of e-liquid leakage

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