棉纺织技术2023，Vol.51Issue(12)：34-39,6.
芳纶基镀银电磁屏蔽织物的研究
Research on aramid based silver plated electromagnetic shielding fabric
摘要
Abstract
In order to explore preparation processing of aramid based silver plated electromagnetic shielding fabric and its property,composite plating process was adopted for chemical silver plating of aramid 1414.An aramid based silver plated electromagnetic shielding fabric was prepared.Based on the physical and chemical property of aramid,the surface treatment of the fabric was carried out.The effects of the mass concentration of silver salt and stabilizer at different process stages on the stability,reaction activity and sample weight gain of the plating solution were studied.The surface morphology,crystalline structure,electromagnetic shielding effectiveness,etc.of the fiber were evaluated and tested.The results showed that the weight reduction rate of the pre-treatment roughening process sample was controlled between 2%and 3%,with initial silver salt dosage of 5 g/L and re-silver salt dosage of 8 g/L.When the amount of sodium thiosulfate as silver plating stabilizer was 0.4 mg/L in the initial plating stage and 0.7 mg/L in the re-plating stage,respectively,the weight gain rate of the plating sample could be reached above 87%.The coating was dense and uniform,the sample felt soft,and the fabric texture was clear.The shielding efficiency was 54 dB～67 dB in the frequency range of 2 GHz to 18 GHz.It is considered that the plating process is stable and reliable.The prepared aramid based silver plated electromagnetic shielding fabric has excellent electromagnetic shielding effectiveness.关键词
芳纶织物/化学镀银/复镀工艺/电磁屏蔽效能/表面处理Key words
aramid fabric/chemical silver plating/composite plating process/electromagnetic shielding effectiveness/surface modification分类
轻工业引用本文复制引用
牛淑璘,郑茜璞,李朝龙,付中平,刘玉,杨明璇,郭森茂..芳纶基镀银电磁屏蔽织物的研究[J].棉纺织技术,2023,51(12):34-39,6.基金项目
石家庄市重点研发计划项目(211190181A) （211190181A）
