Abstract: It is an object of the present invention to provide a spinning solution for industrial production of pure chitosan fiber and the method for fabricating the same. The method comprises the steps of: step (a): screening a flake chitosan raw material and removing impurities; step (b): putting in a dissolving kettle the screened flake chitosan raw material with a weight which is 3%-8% of the total weight of the spinning solution, sealing the dissolving kettle, and evacuating into vacuum; step (c): adding 0.9%-6% acetic acid solution, and soaking at the room temperature for 40-60 minutes; step (d): uniformly stirring at a rate of 26-60 rpm for 7.5-19 hours under a pressure of ?5000 pa in the dissolving kettle, standing for 1-3 hours, and obtaining a spinning solution.
Type:
Grant
Filed:
March 24, 2011
Date of Patent:
April 28, 2015
Assignee:
Shandong Huaxing Haici New Materials Co., Ltd
Abstract: It is an object of the present invention to provide a spinning solution for industrial production of pure chitosan fiber and the method for fabricating the same. The method comprises the steps of: step (a): screening a flake chitosan raw material and removing impurities; step (b): putting in a dissolving kettle the screened flake chitosan raw material with a weight which is 3%-8% of the total weight of the spinning solution, sealing the dissolving kettle, and evacuating into vacuum; step (c): adding 0.9%-6% acetic acid solution, and soaking at the room temperature for 40-60 minutes; step (d): uniformly stirring at a rate of 26-60 rpm for 7.5-19 hours under a pressure of ?5000 pa in the dissolving kettle, standing for 1-3 hours, and obtaining a spinning solution.
Type:
Application
Filed:
March 24, 2011
Publication date:
June 13, 2013
Applicant:
SHANDONG HUAXING HAICI NEW MATERIALS CO., LTD.