智能调湿水凝胶材料的制备及其在便携式雪茄保湿袋中的应用

吉笑盈; 李晓鹏; 刘娟; 李东亮; 吴迪; 王义; 赵丽娟

doi:10.12187/2023.05.012

October 2023

Article Contents

JI Xiaoying, LI Xiaopeng, LIU Juan, et al. Preparation of intelligent humidity control hydrogel material and its application in portable cigar moisturizing bag[J]. Journal of Light Industry, 2023, 38(5): 88-95. doi: 10.12187/2023.05.012

Citation: JI Xiaoying, LI Xiaopeng, LIU Juan, et al. Preparation of intelligent humidity control hydrogel material and its application in portable cigar moisturizing bag[J]. Journal of Light Industry, 2023, 38(5): 88-95. doi: 10.12187/2023.05.012 shu

Preparation of intelligent humidity control hydrogel material and its application in portable cigar moisturizing bag

JI Xiaoying ¹ ,
LI Xiaopeng ¹ ,
LIU Juan ¹ ,
LI Dongliang ¹ ,
WU Di ² ,
WANG Yi ² ,
ZHAO Lijuan ²

1. China Tobacco Technology Innovation Center for Cigar, China Tobacco Sichuan Industrial Co., Ltd., Chengdu 610066, China;
2. School of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China

Received Date: 2022-12-30
Accepted Date: 2023-03-08

Abstract

Polyacrylamide (PAM)-glycerol (Gly)-lithium chloride (LiCl) hydrogel was prepared by salt solution immersion method, using PAM as the hydrogel matrix, Gly as the moisturizing factor and LiCl as the water absorption factor. The structure and performance of the hydrogel were characterized by scanning electron microscope, energy dispersive spectrometer, X-ray photoelectron spectrometer, Fourier infrared spectrometer, etc. Meanwhile, the effect of its application in a portable cigar moisturizing bag on the regulation of micro environment humidity was explored. The results showed that the PAM-Gly-LiCl hydrogel possessed excellent transparency and mechanical properties, with light transmittance of 90%, the maximum compression strain of 41%, compression strength of 1.1 MPa, elongation breaking rate of 1100% and breaking strength of 0.25 MPa. The hydrogel also displayed excellent water retention and humidity control performance. Owing to a high proportion of combined water, it could stably realize the humidity control process under different humidity environmental conditions. The humidity control range was 25%~95% of the relative humidity and kept for 500 h. The hydrogel could be applied to design as a portable cigar moisturizing bag. It could quickly sense changes in environmental humidity and make intelligent responses, stabilizing the microenvironment relative humidity inside the bag at around 65% and maintaining it for more than a week.
- portable cigar moisturizing bag,
- polyacrylamide hydrogel,
- transparency,
- mechanical property,
- humidity controlling property
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Preparation of intelligent humidity control hydrogel material and its application in portable cigar moisturizing bag

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