ALGINATE MEDICAL FIBER, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

WIPO Patent Application WO/2023/005035

A1

Disclosed in the present invention are an alginate medical fiber, and a preparation method therefor and an application thereof. The preparation method comprises: mixing a chitosan solution containing copper ions with a sodium alginate solution containing silver ions to obtain a blended spinning solution, then performing wet spinning, then respectively performing treatment in a first coagulating bath and a second coagulating bath, washing in a bath, and performing drawing and drying, wherein the first coagulating bath is an aqueous solution containing calcium ions and zinc ions, and the second coagulating bath is an ethanol aqueous solution containing calcium ions. Also provided is the use of the prepared alginate medical fiber as a short staple fiber for preparing a nonwoven medical dressing, or as a fiber raw material to be woven into a sheet, a tubular or a special shape, for use in the fields of tissue repair such as oral repair, hernia repair, ureteral stents, nerve repair, and hard tissue repair. The alginate medical fiber of the present invention have the advantages of effectively promoting or assisting in accelerating wound healing, and excellent mechanical properties.

LI ZHE (CN)
DU ZHEBIN (CN)
XU CHANG (CN)
LV XIANGGUO (CN)
SUN WEIHUA (CN)
ZHANG XIAOYU (CN)

PCT/CN2021/127247

February 02, 2023

October 29, 2021

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JIANGSU GUOWANG HIGH TECHNIQUE FIBER CO LTD (CN)

D01D5/06; D01F9/00; D01F1/10

CN103170004A	2013-06-26
CN104963032A	2015-10-07
CN101187092A	2008-05-28
CN105012999A	2015-11-04
EP1849464A1	2007-10-31
CN102453968A	2012-05-16
CN110359110A	2019-10-22

SUZHOU CREATOR PATENT & TRADEMARK AGENCY, LTD. (CN)

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