Title:
METHOD FOR MARKING HAIR ON NAPPED FABRIC
Document Type and Number:
WIPO Patent Application WO/2023/159566
Kind Code:
A1
Abstract:
The present invention relates to the field of using machine vision in fabric cleaning, in particular to a method for marking hair on a napped fabric. The method comprises the following steps: S1, pretreatment: soaking a fabric in a solution having a pH value of 10 or more for a certain period of time; and washing the fabric with clear water until the pH value is neutral; S2, dyeing: selecting a strong acid dye having a color obviously different from the color of the fabric, and carrying out dyeing treatment on the fabric by means of a selected strong acid dye dyeing process; and S3, post-treatment: carrying out water washing treatment on the fabric to complete marking. The present method can mark hair on the napped fabric in a manual or machine vision mode, and provides a basis for subsequent further cleaning.
Inventors:
QIAN CHONG (CN)
Application Number:
PCT/CN2022/078289
Publication Date:
August 31, 2023
Filing Date:
February 28, 2022
Export Citation:
Assignee:
HANGZHOU DIANZI UNIV TECHNOLOGY TRANSFER CO LTD (CN)
International Classes:
D06P1/39; D06P5/02
Foreign References:
| CN107271374A | 2017-10-20 | |||
| CN103643564A | 2014-03-19 | |||
| CN103469634A | 2013-12-25 | |||
| CN109837771A | 2019-06-04 | |||
| CN107488358A | 2017-12-19 | |||
| CN106568789A | 2017-04-19 | |||
| CN111044346A | 2020-04-21 | |||
| CN213275372U | 2021-05-25 | |||
| US20190119848A1 | 2019-04-25 | |||
| US3644137A | 1972-02-22 |
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