超吸湿聚合物气凝胶的制备与性能

姚远; 张晓红; 茹越; 乔金樑

doi:10.11777/j.issn1000-3304.2023.23044

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超吸湿聚合物气凝胶的制备与性能

快报 | 更新时间：2023-09-25

- 超吸湿聚合物气凝胶的制备与性能
- Preparation and Properties of Super Moisture‐absorbent Polymer Aerogel
- 高分子学报 2023年54卷第8期页码：1131-1138
- 作者机构：
  
  1.北京化工大学材料科学与工程学院北京 100029
  2.中国石油化工股份有限公司北京化工研究院北京 100013
- 作者简介：
  
  E-mail: qiaojl.bjhy@sinopec.com
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2023.23044
  中图分类号：
- 纸质出版日期：2023-08-20，
  
  网络出版日期：2023-06-04，
  
  收稿日期：2023-04-07，
  
  录用日期：2023-05-24
扫描看全文
姚远,张晓红,茹越等.超吸湿聚合物气凝胶的制备与性能[J].高分子学报,2023,54(08):1131-1138.

Yao Yuan,Zhang Xiao-hong,Ru Yue,et al.Preparation and Properties of Super Moisture‐absorbent Polymer Aerogel[J].ACTA POLYMERICA SINICA,2023,54(08):1131-1138.
姚远,张晓红,茹越等.超吸湿聚合物气凝胶的制备与性能[J].高分子学报,2023,54(08):1131-1138. DOI： 10.11777/j.issn1000-3304.2023.23044.

Yao Yuan,Zhang Xiao-hong,Ru Yue,et al.Preparation and Properties of Super Moisture‐absorbent Polymer Aerogel[J].ACTA POLYMERICA SINICA,2023,54(08):1131-1138. DOI： 10.11777/j.issn1000-3304.2023.23044.

摘要

介绍了一种聚合物基吸湿材料制备新方法，使用含有LiCl的聚合物水溶液制备了不溶于水且含有LiCl的聚合物气凝胶. 该气凝胶在25 ℃和80%相对湿度的条件下，24 h的吸水量高达3.97 g/g，不仅远远高于传统无机吸湿材料，且高于所见文献报道的所有聚合物基吸湿材料的数据. 制备这种新型吸湿材料的聚合物是苯乙烯-马来酸酐交替共聚物，其具有聚集诱导发光性能，因此可以通过发光强度监测新材料的吸湿量.

Abstract

Dehumidification is closely related to the quality of human life

microbial growth

material corrosion and food storage. Traditional inorganic desiccant materials are not only with low moisture absorption and efficiency

but also with high energy consumption in their preparation and difficult to recycle. Polymer-based hygroscopic materials are expected to overcome these problems and replace conventional hygroscopic materials. In this work

we present a new method for the preparation of polymer-based hygroscopic materials

in which a water-insoluble polymer aerogel containing LiCl was prepared using an aqueous polymer solution containing LiCl. The aerogel can absorb water up to 3.97 g/g at 25 ℃

80%RH for 24 h

which is not only much higher than conventional inorganic hygroscopic materials

but also higher than the data reported in the literature for polymer-based hygroscopic materials. The polymer used to prepare this new hygroscopic material is poly(styrene-

alt

-maleic anhydride)

which has aggregation-induced emission properties

so that the hygroscopicity of the new material can be monitored by luminescence intensity.

关键词

吸湿聚合物气凝胶聚集诱导发光吸湿量监测

Keywords

HygroscopicityPolymer aerogelAggregation-induced emissionMoisture absorption monitoring

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