a biodegradable microfiber absorbent comprises a substantially homogeneous mixture of at least one hydrophilic polymer and at least one biodegradable polymer . the absorbent can be prepared by an electro hydrodynamic spinning of a substantially homogeneous polymer mixture . medical dressings for burns and wounds , cavity dressings , drug delivery patches , face masks , implants , drug carriers that comprises at least one microfiber electrospun from a polymer mixture are provided . the dressings can have variable water vapor penetration characteristics and variable biodegradation times .