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[1]林亿超,吴倩,乔铃杰,等.废弃聚酯衍生MOFs的制备及二氧化碳吸附性能*[J].中国安全生产科学技术,2025,21(11):33-40.[doi:10.11731/j.issn.1673-193x.2025.11.004]
　LIN Yichao,WU Qian,QIAO Lingjie,et al.Synthesis and carbon dioxide adsorption performance of MOFs derived from waste polyester[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2025,21(11):33-40.[doi:10.11731/j.issn.1673-193x.2025.11.004]
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废弃聚酯衍生MOFs的制备及二氧化碳吸附性能*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
21
期数:
2025年11期
页码:
33-40
栏目:
学术论著
出版日期:
2025-11-30

文章信息/Info

Title:
Synthesis and carbon dioxide adsorption performance of MOFs derived from waste polyester
文章编号:
1673-193X(2025)-11-0033-09
作者:
林亿超; 吴倩; 乔铃杰; 郭凯月; 唐俊; 汪海风; 李佳; 王和堂; 姚坤
(1.中国矿业大学 煤矿灾害防控全国重点实验室，江苏 徐州 221116；
2.中国矿业大学 煤矿瓦斯与火灾防治教育部重点实验室，江苏 徐州 221116；
3.浙江中天东方氟硅材料股份有限公司，浙江 衢州 324000；
4.中国安全生产科学研究院，北京 100012；
5.广东碳语新材料有限公司，广东 珠海 519000)
Author(s):
LIN Yichao;  WU Qian;  QIAO Lingjie;  GUO Kaiyue;  TANG Jun;  WANG Haifeng;  LI Jia; WANG Hetang;  YAO Kun
关键词:
聚酯(PET); MOFs; 一锅法; 二氧化碳吸附
Keywords:
polyester (PET);  metal-organic frameworks (MOFs);  one-pot method;  carbon dioxide adsorption
分类号:
X932；X705
DOI:
10.11731/j.issn.1673-193x.2025.11.004
文献标志码:
A
摘要:
为优化废弃塑料资源化和二氧化碳捕集材料设计，基于废弃聚酯（PET），将粉碎后废弃PET薄片与金属盐溶液混合，通过“一锅法”一步实现PET的水解和金属有机骨架材料的合成。采用X射线衍射(XRD)、扫描电镜(SEM)、红外光谱(FTIR)、热失重分析(TGA)和二氧化吸脱附性能分析等手段对合成的目标材料进行实验研究。研究结果表明：合成的5种金属类型金属有机骨架（MOF）材料中，Al3+作配位金属时，PET转化率最高以及热稳定性最好，且合成的Al-MOFs比表面积和微孔孔容最优异，二氧化碳吸附性能最好，分别达到452.8 m2/g、0.185 3 cm3/g及2.39 mmol/g(在0 ℃下)；金属盐溶液的pH值会影响PET的转化率，Fe3+因受热易水解会生成稳定的氧化物或氢氧化物从而阻止MOF的形成；未反应的PET作为模板剂和结构导向剂会抑制金属基MOFs的生长，其微观结构会发生变化，其结构多呈纤维状。研究结果可为工业防毒安全领域新型个体防护装备或环境通风净化系统开发提供材料基础和理论参考。
Abstract:
In order to optimize the utilization of waste plastic resources and the design of carbon dioxide capture materials,waste polyester (PET) was used as a feedstock.Crushed waste PET flakes were mixed with a metal salt solution,and the hydrolysis of PET and the synthesis of the metal-organic framework materials were achieved in a single step via a one-pot method.The synthesized target materials were experimentally characterized using techniques including X-ray diffraction (XRD),scanning electron microscopy (SEM),Fourier transform infrared spectroscopy (FTIR),thermogravimetric analysis (TGA),and carbon dioxide adsorption-desorption performance analysis.The results indicate that a series of characterization techniques confirmed the synthesis of MOFs with various metal types.Among these materials,when Al3+ served as the coordinating metal,the PET conversion rate was the highest and the material exhibited the best thermal stability.Furthermore,the Al-MOFs exhibited the highest specific surface area (452.8 m2/g) and micropore volume (0.185 3 cm3/g),and consequently displayed the greatest CO2 adsorption performance (2.39 mmol/g at 0 ℃).The pH of the metal salt solution was found to influence the PET conversion rate.Fe3+,due to its susceptibility to hydrolysis when heated,formed stable oxides or hydroxides,thereby inhibiting MOF formation.Unreacted PET,acting as a template and structure-directing agent,suppressed the growth of metal-based MOFs,leading to alterations in their microstructure,which often exhibited a fibrous morphology.These findings provide a material basis and theoretical reference for developing novel personal protective equipment or environmental ventilation and purification systems in the field of industrial poison prevention and safety.

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备注/Memo

备注/Memo:
收稿日期： 2025-05-09
* 基金项目： 国家自然科学基金优秀青年科学基金项目（52322404）；中国矿业大学重点建设研究生校外培养基地项目（J20241202）
作者简介： 林亿超，博士，副研究员，主要研究方向为固废资源化和碳捕集，阻燃防火材料，化工安全等。
通信作者： 王和堂，博士，教授，主要研究方向为粉尘防治与职业健康，矿山灾害防控与应急救援，温室气体减排利用等。
更新日期/Last Update: 2025-12-03