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Composite phase change material for reducing cigarette smoke temperature and preparation method and application thereof

A technology of composite phase change material and cigarette smoke, which is applied in the field of cigarette material manufacturing, can solve the problems of reducing the thermal conductivity of the phase change material, complicated preparation method of the composite phase change material, affecting the cooling performance, etc. Low cost and the effect of improving thermal conductivity

Active Publication Date: 2020-11-17
GANSU TOBACCO IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation method of the composite phase change material is complicated, and the substances such as inorganic salts and dichloromethane used have certain safety risks, and because the inorganic phase change material is wrapped with a polymer, the thermal conductivity of the phase change material will be reduced, affecting cooling performance

Method used

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  • Composite phase change material for reducing cigarette smoke temperature and preparation method and application thereof
  • Composite phase change material for reducing cigarette smoke temperature and preparation method and application thereof
  • Composite phase change material for reducing cigarette smoke temperature and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1 (weight part)

[0033] S1. Add 7.5 parts of PEG1000 and 2.5 parts of PEG1500 to 150 parts of ethanol, and stir at 600 rpm for 30 minutes at room temperature to prepare a certain concentration of PEG ethanol solution.

[0034] S2. Add 8 parts of ethyl cellulose to 150 parts of ethanol, ultrasonically dissolve it for 30 minutes, stir at 600 rpm for 20 minutes at 50°C, let it stand, and lower the temperature of the solution to room temperature to prepare an ethanol solution of ethyl cellulose with a certain concentration .

[0035] S3. Mix the solution obtained in step (1) and step (2), stir evenly, and let it dry naturally.

[0036] S4. After pulverizing the composite material obtained in step (3), collect 20-35 mesh samples to obtain a composite phase change material for reducing the temperature of mainstream cigarette smoke.

[0037] The present invention further provides a method for using the composite phase change material for reducing the mainstream s...

Embodiment 2

[0046] Embodiment 2 (weight part):

[0047] S1. Add 15 parts of PEG1000 and 5 parts of PEG1500 into 200 parts of ethanol, and stir at 600 rpm for 30 minutes at room temperature to prepare a certain concentration of PEG ethanol solution.

[0048]S2. Add 16 parts of ethyl cellulose to 250 parts of ethanol, ultrasonically dissolve it for 30 minutes, stir at 600 rpm for 20 minutes at 50°C, let it stand, and lower the temperature of the solution to room temperature to prepare an ethanol solution of ethyl cellulose with a certain concentration .

[0049] S3. Mix the solution obtained in step (1) and step (2), stir evenly, and let it dry naturally.

[0050] S4. After pulverizing the composite material obtained in step (3), collect 20-35 mesh samples to obtain a composite phase change material for reducing the temperature of mainstream cigarette smoke.

Embodiment 3

[0051] Embodiment 3 (weight part):

[0052] S1. Add 7.5 parts of PEG1000 and 2.5 parts of PEG1500 into 150 parts of ethanol, and stir at 400 rpm for 30 minutes at room temperature to prepare a certain concentration of PEG ethanol solution.

[0053] S2. Add 8 parts of ethyl cellulose to 150 parts of ethanol, ultrasonically dissolve it for 30 minutes, stir at 600 rpm for 10 minutes at 50°C, let it stand, and lower the solution temperature to room temperature to prepare a certain concentration of ethyl cellulose ethanol solution .

[0054] S3. Mix the solution obtained in step (1) and step (2), stir evenly, and let it dry naturally.

[0055] S4. After pulverizing the composite material obtained in step (3), collect 20-35 mesh samples to obtain a composite phase change material for reducing the temperature of mainstream cigarette smoke.

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Abstract

The invention relates to the technical field of cigarette material manufacturing, in particular to a composite phase change material for reducing cigarette smoke temperature and a preparation method and application thereof. The phase change material is prepared from the following components in percentage by mass: 42% of PEG1000, 14% of PEG1500 and 44% of ethyl cellulose. According to the invention, with PEG 1000 and PEG 1500 used as phase change energy storage materials and ethyl cellulose used as a carrier, the PEG is uniformly dispersed in ethyl cellulose through a physical blending method,so that the problem of liquid leakage after phase change of a traditional solid-liquid phase change material is effectively solved; besides, the PEG and ethyl cellulose used for preparing the composite phase change material are biomedical polymer materials, so that the composite phase-change material is high in safety, low in price and free of peculiar smell, and does not have negative effects oncigarette senses; finally, the ethyl cellulose is used as a carrier, so that a porous material with a fluffy structure can be formed, the heat-conducting property is improved, and a heat-conducting material does not need to be additionally added. The preparation method of the phase-change material is simple and easy to implement.

Description

technical field [0001] The invention relates to the technical field of manufacturing tobacco materials, in particular to a composite phase change material for reducing the temperature of cigarette smoke, a preparation method and application thereof. Background technique [0002] The filter stick effectively filters the aerosol produced during cigarette smoking through direct interception, inertial collision, and diffusion deposition. decline. However, in the 2 to 3 puffs before the end of the puff, the temperature of the flue gas at the filter tip will rise rapidly to 60°C to 80°C, and it can even reach about 100°C in the deep suction mode. The feeling of "hot lips" greatly affects the pumping experience. Excessive filter temperature not only affects the interception effect of the filter on smoke aerosol particles, but also part of the tar trapped by the filter during the first few puffs will re-volatize into the smoke, thus affecting the sensory quality of the smoking pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/06A24D3/02A24D3/10
CPCA24D3/022A24D3/10C09K5/063
Inventor 倪博立高玉珍宋凯崔迟朱先约杨金龙臧志鹏王文婷何东香翟玉俊
Owner GANSU TOBACCO IND
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