Preparation of activated carbon nonwovens by acupuncture method and their performance testing
At present,the activated carbon nonwoven fabric prepared by liquid binder has the problem of poor interlayer bonding performance.Using PE/PET fiber as the binder,activated carbon is combined with PE/PET fiber web by needle-punching method,and then the needle-punched activated carbon fiber web and PET fiber web is composited by hot pressing.The effects of PET fiber web gram weight and PE/PET fiber web gram weight on the air permeability and mechanical properties of activated carbon nonwovens are studied.The optimal parameter sample is selected for adsorption performance test.The results show that with the increase of PET fiber web weight and PE/PET fiber web weight,the air permeability of activated carbon nonwovens decreases,the tensile strength and peeling strength increases,and the optimal parameter sample has a toluene adsorption capacity of 82 813 mg/m2.