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Patent Searching and Data


Title:
ANTI-COUNTERFEITING LYOCELL FIBER, PREPARATION METHOD THEREFOR, AND ANTI-COUNTERFEITING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/100051
Kind Code:
A1
Abstract:
The present invention relates to a preparation method for an anti-counterfeiting lyocell fiber, comprising the following steps: dissolving at least one amino acid metal chelate and cellulose pulp in an aqueous solution of a cellosolve to obtain a spinning solution, and then carrying out wet spinning by using the spinning solution to obtain the anti-counterfeiting lyocell fiber. The amino acid metal chelate accounts for 0.2%-0.6% of the total mass of the anti-counterfeiting lyocell fiber. The anti-counterfeiting lyocell fiber of the present invention is encrypted by utilizing the amino acid metal chelate, the process flow is simple and convenient, and the prepared product can be provided with one or two passwords according to the ratio of each metal ion and each amino acid contained in the product, so that the product prepared from the fiber has memory tracking properties and recognition functions and high anti-counterfeiting strength.

Inventors:
LIU YUQING (CN)
HE YU (CN)
WAN CHENGWEI (CN)
CHEN KAIYI (CN)
WANG ZHONG (CN)
WANG GUOHE (CN)
PAN ZHIJUAN (CN)
Application Number:
PCT/CN2021/094785
Publication Date:
May 19, 2022
Filing Date:
May 20, 2021
Export Citation:
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Assignee:
UNIV SOOCHOW (CN)
International Classes:
D01D5/06; D01F2/10; D02G3/44; D03D15/00; D04B1/14; D04B21/00
Foreign References:
CN112609257A2021-04-06
CN112538664A2021-03-23
CN112501706A2021-03-16
CN112501705A2021-03-16
CN110042490A2019-07-23
CN101349689A2009-01-21
CN1094408A1994-11-02
CN101307511A2008-11-19
CN101942707A2011-01-12
CN109070130A2018-12-21
US20150377841A12015-12-31
Attorney, Agent or Firm:
CENTRAL SOUTH WELL INTELLECTUAL PROPERTY OFFICE (CN)
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