Title:
METHOD FOR PREPARING CHITOSAN AND DERIVATIVE NANOFIBER THEREOF BY MECHANICAL MEANS
Document Type and Number:
WIPO Patent Application WO/2019/227848
Kind Code:
A1
Abstract:
Disclosed is a method for preparing chitosan and a derivative nanofiber thereof by mechanical means. The method comprises firstly pre-treating chitosan fiber or a chitosan derivative fiber material of a suitable length (referred to as chitosan fiber) with water or alkali or acid of an appropriate concentration added to it, and then grinding the treated fiber (preferably using pulping equipment in the pulping and papermaking process) to obtain a micron-sized chitosan fiber, and homogenizing the micro-scale chitosan fiber under high pressure to obtain a chitosan nanofiber. It can be seen from an electron micrograph that the prepared chitosan nanofiber is nanometer-level. The method is simple in operation and convenient for industrial production, and the prepared chitosan nanofiber with a new topology has broad application prospects in biomedicine, ordinary chemical engineering and special materials.
Inventors:
ZHAO GUANGLEI (CN)
ZHANG SIHAN (CN)
LI XIAOFENG (CN)
ZHANG SIHAN (CN)
LI XIAOFENG (CN)
Application Number:
PCT/CN2018/113231
Publication Date:
December 05, 2019
Filing Date:
October 31, 2018
Export Citation:
Assignee:
UNIV SOUTH CHINA TECH (CN)
International Classes:
D01F9/00; B82Y40/00; D21H13/30
Foreign References:
| CN103408805A | 2013-11-27 | |||
| CN107653723A | 2018-02-02 | |||
| CN104761648A | 2015-07-08 |
Attorney, Agent or Firm:
YOGO PATENT & TRADEMARK AGENCY LIMITED COMPANY (CN)
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