Su Xiaozhou, Liu Xindian, Qu Yazhong, Huang Xin
Department of Light Chemical Engineering, College of Intelligent Textile and Fabric Electronics, Zhongyuan University of Technology, No. 41 Zhongyuan Road (M), Zhengzhou, Henan Province 450007, China.
Collaborative Innovation Centre of Advanced Textile Equipment and Technology Co-constructed by Ministry of Education and Henan provincial Government, Zhengzhou, Henan Province 451191, China.
ACS Omega. 2025 Aug 7;10(32):36285-36298. doi: 10.1021/acsomega.5c04270. eCollection 2025 Aug 19.
This study aims to investigate the adsorption performance of chestnut tannin (CT)-modified cotton fabrics for HCHO and to analyze the characteristics associated with HCHO adsorption. In experiment, CT served as the adsorption carrier, while 1,4-butanediol diglycidyl ether (BDDE) was utilized for chemical modification to graft CT onto the cellulose molecular chain. Subsequently, a multilayer assembly of the cotton fabric was prepared by alternately applying CT solution and poly-(diallyl dimethylammonium chloride) (PDMDAAC) solution. The characteristics and chemical structure of the fabric were analyzed. By employing a method of assembly followed by modification, CT can be effectively linked to cotton fabric molecules, resulting in samples with an average pore size of 21.3 nm, and an increase in specific surface area of 43.07%. The modified and assembled fabric achieved a HCHO removal rate exceeding 84% within 2 h, with the samples that were first assembled and then modified reaching a maximum HCHO removal rate of 90.89%. Consequently, sample was subjected to excitation under conditions of pH 12, resulting in a HCHO removal rate of up to 93.22%. The findings of this research can be utilized to develop cost-effective textiles for HCHO removal, with promising applications in specific environments and related fields.
本研究旨在探究栗木单宁（CT）改性棉织物对甲醛的吸附性能，并分析与甲醛吸附相关的特性。实验中，CT作为吸附载体，而1,4 - 丁二醇二缩水甘油醚（BDDE）用于化学改性，将CT接枝到纤维素分子链上。随后，通过交替施加CT溶液和聚二烯丙基二甲基氯化铵（PDMDAAC）溶液制备棉织物的多层组装体。分析了织物的特性和化学结构。通过采用先组装后改性的方法，CT能够有效地与棉织物分子连接，得到平均孔径为21.3 nm、比表面积增加43.07%的样品。改性和组装后的织物在2小时内甲醛去除率超过84%，先组装后改性的样品甲醛去除率最高可达90.89%。因此，样品在pH值为12的条件下激发，甲醛去除率高达93.22%。本研究结果可用于开发具有成本效益的甲醛去除纺织品，在特定环境和相关领域具有广阔的应用前景。
