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The method for shortening the dyeing time when using Lanassin dye for non-red dyeing of cashmere

A technology of dyeing time and lanase, applied in the field of dyeing, can solve the problems of increased damage to dyed fibers, low production efficiency, large waste water discharge, etc. Effect

Active Publication Date: 2022-07-01
宁波康赛妮新纤维科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This step of repeatedly heating up and washing with hot and cold water during the net bath not only causes increased damage to the dyed fiber, but also causes high source consumption, large waste water discharge, low production efficiency, and low dyeing output due to excessively long post-dyeing treatment time. low level problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: The method for shortening the dyeing time when using Lanazine dye for cashmere red dyeing. In terms of fabric weight percentage, the following steps are included when the amount of Lanazine dye is less than or equal to 1%: Step A1: Heat the dye liquor to 25°C, then add acetic acid or formic acid to adjust the pH of the dye liquor to 4, based on the weight percentage of the fabric, and at the same time add 1.5% aliphatic amine polyoxyethylene ether anionic-nonionic surfactant, and then circulate for at least 10min; Step A2: with In terms of the weight percentage of the fabric, add no more than 1% of lanazol dye, then circulate for at least 10 minutes, then heat up to 80 °C at a rate of 0.5 °C / min, and keep the temperature for 40 minutes after the final temperature rise; Step A3: Rinse the fabric , after the rinsing is finished, the fabric is post-treated, and ammonia water is added to the treatment solution to make the pH of the treatment solution reach 7, base...

Embodiment 2

[0021] Example 2: The method for shortening the dyeing time when using Lanazine dye for cashmere red dyeing. In terms of fabric weight percentage, the following steps are included when the amount of Lanazine dye is less than or equal to 1%: Step A1: Heat the dye liquor to 35 ° C, then add acetic acid or formic acid to adjust the pH of the dye liquor to 6.5, in terms of fabric weight percentage, simultaneously add 2.0% aliphatic amine polyoxyethylene ether anion-nonionic surfactant, then circulate at least 10min; Step A2 : Based on the weight percentage of the fabric, add no more than 1% of Lanazine dye, then circulate for at least 10 minutes, then heat up to 99°C at a rate of 1.5°C / min, and keep the temperature for 50 minutes after the final temperature rise; Step A3: to The fabric is rinsed, and after the rinsing, the fabric is post-treated, and ammonia water is added to the treatment solution to make the pH of the treatment solution reach 8, based on the weight percentage of ...

Embodiment 3

[0022] Example 3: The method for shortening the dyeing time when using the Lannasin dye for cashmere red dyeing. In terms of the weight percentage of the fabric, when the amount of Lannasin dye is less than or equal to 1%, the following steps are included: Step A1: Heat the dye solution to 30°C, then add acetic acid or formic acid to adjust the pH of the dye liquor to 5, based on the weight percentage of the fabric, and add 1.6% aliphatic amine polyoxyethylene ether anionic-nonionic surfactant at the same time, and then circulate for at least 10min; Step A2: with In terms of the weight percentage of the fabric, add no more than 1% of Lanazine dye, then circulate for at least 10 minutes, then heat up to 90 °C at a rate of 1 °C / min, and keep the temperature for 45 minutes after the final temperature rise; Step A3: Rinse the fabric , after rinsing, the fabric is post-treated, and ammonia water is added to the treatment solution to make the pH of the treatment solution reach 7.5, b...

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PUM

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Abstract

The invention discloses a method for shortening the dyeing time when using lanassin dye for non-red dyeing of cashmere, and relates to a dyeing method, which includes 6 to 10 steps according to different dye materials. Method By using a new type of aliphatic amine modified polyoxyethylene ether anionic and nonionic surfactant dyeing auxiliary, the operation time when the dye auxiliary is added is shortened, and the holding time and the heat during the post-dyeing treatment are reduced. The number of washings has greatly improved the production efficiency, saved costs, conformed to the production concept of energy saving, emission reduction, quality and efficiency, and ensured product quality and production delivery.

Description

technical field [0001] The invention relates to the technical field of textiles, in particular to a dyeing method. Background technique [0002] Cashmere products are generally dyed with reactive, acidic or neutral dyes before dyeing. The auxiliaries are basically used traditional FFA, Abaige B, SET, and other auxiliaries for dyeing production. Traditional process auxiliaries are used more, and the process production time It is too long, the cost of using auxiliaries and water and electricity is high, and the wool takes a long time in the dyeing production, which has a great impact on the feel of the raw material and the strength of the fiber, especially the production orders for worsted and semi-worsted products, and the process steps of pre-treatment and post-dyeing. After the production of medium and dark color orders is completed, many batches of inspections found that the strength of raw materials has decreased, stickiness, and wrapping of the skin rollers, etc., result...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06P1/38D06P1/607D06P1/00D06P3/14D06P5/10D06P5/02
CPCD06P1/38D06P1/6076D06P1/0032D06P3/148D06P5/10D06P5/02
Inventor 彭双陈超陈文浩薛惊理
Owner 宁波康赛妮新纤维科技有限公司
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