中南大学学报（自然科学版）2026，Vol.57Issue(2)：881-890,10.DOI:10.11817/j.issn.1672-7207.2026.02.031
废旧天然纤维和合成纤维混纺衣物热解反应特性研究
Study on pyrolysis reaction characteristics of waste natural and synthetic fiber blended textiles
摘要
Abstract
The weight-loss patterns,volatile product evolution,and product distribution for the pyrolysis of waste natural fiber(cotton)and synthetic fiber(polyester)blended textiles were systematically investigated through raw material characterization,thermogravimetry-Fourier transform infrared spectroscopy(TG-FTIR)experiments and fixed-bed fast pyrolysis experiments.The results show that compared to pure cotton and pure polyester textiles,the physicochemical properties and pyrolysis reaction characteristics of polyester cotton blended textiles exhibite nonlinear superposition characteristics,indicating that the blending process has a significant impact on the properties of raw materials and pyrolysis reactions.The shoulder peak and main peak of thermal weight loss of blended fabrics correspond to the pyrolysis characteristics of cotton and polyester,respectively.The melting thickening effect of polyester results in a deviation of only 3.55℃of the main weight loss peak of blended fabrics with different proportions.The main fast pyrolysis products of polyester-cotton blends is benzoic acid,which is a characteristic products of polyester pyrolysis.In the pyrolysis of polyester cotton blends,the relative peak area of thermal weight loss of benzoic acid was the largest.关键词
废旧衣物/涤棉混纺/热解/反应特性/产物分布Key words
waste textiles/polyester-cotton blends/pyrolysis/reaction characteristics/product distribution分类
能源科技引用本文复制引用
袁鑫华,熊旭申,常帅,胡斌,魏守刚,周关正,付浩,刘吉,陆强..废旧天然纤维和合成纤维混纺衣物热解反应特性研究[J].中南大学学报（自然科学版）,2026,57(2):881-890,10.基金项目
国家自然科学基金资助项目(52436009) （52436009）
中央高校基本科研业务费资助项目(2024JC001)(Project(52436009)supported by the National Natural Science Foundation of China （2024JC001）
Project(2024JC001)supported by the Fundamental Research Funds for the Central Universities) （2024JC001）
