国家/地区 中国（3）
IPC部 B（4） D（4） C（3）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D069/12（4）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Filter material, useful in face mask and/or respirator, comprises electrospun nanofiber membrane and active nanomaterial agent incorporated into the membrane, where the membrane filters disease-causing agents.

HASAN S W, MAVUKKANDY M

Preparing double-layer nano fiber film for water-oil separation, involves obtaining first layer of electrostatic spinning solution by using chitosan, obtaining second layer of spinning solution followed by electrostatic spinning.

SHAO W, ZHU Z, LIU J, HE S, JIANG L

Preparing a composite fiber membrane used for heavy metal sewage treatment, involves adding graphene oxide to deionized water, ultrasonically dispersing uniformly to obtain graphene oxide dispersion, and adding the dopamine hydrochloride.

CHEN Q, SI W, ZENG J, BAI T

Preparation of seawater desalination graphene fiber filter involves mixing solvent, graphene oxide, and fiber matrix material, dispersing, stirring, spinning, depositing graphene fibers on meltblown nonwoven fabric, and drying.

YANG X, WANG F