Preparation method of functional PU-RC (Poly Urethane-Regenerated Cellulose) composite nanofiber membrane and application thereof

The invention discloses a preparation method of a functional PU-RC (Poly Urethane-Regenerated Cellulose) composite nanofiber membrane and application thereof. The preparation method comprises the following steps of S1, dissolving PU and CA (Carbonic Anhydrase) in a polarity organic solvent to prepar...

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Bibliographische Detailangaben
Hauptverfasser:	LI MAN, WU DINGSHENG, HOU DAYIN, WEI ANJING, FENG QUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR KNITTING LACE-MAKING LAUNDERING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS SPINNING TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	The invention discloses a preparation method of a functional PU-RC (Poly Urethane-Regenerated Cellulose) composite nanofiber membrane and application thereof. The preparation method comprises the following steps of S1, dissolving PU and CA (Carbonic Anhydrase) in a polarity organic solvent to prepare electrostatic spinning solution, and preparing a PU/CA composite nanofiber membrane by an electrostatic spinning process, wherein the PU and the CA account for 18 to 20% of the total weight of the electrostatic spinning solution in percentage by mass; S2, carrying out hydrolysis modification on the PU/CA composite nanofiber membrane by utilizing strong alkaline solution with concentration of 0.02 to 0.2mol/L to prepare the PU-RC composite nanofiber membrane. According to the invention, the PU-RC composite nanofiber membrane prepared by an electrostatic spinning technology has excellent strength and elasticity, has the characteristics of high porosity, high permeability, high specific surface area and the like, an