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A kind of reactive anion modifier and preparation method thereof

An anionic modifier, reactive technology, applied in the field of textile printing and dyeing, can solve the problems of yellowing of fabrics or yarns, unsuitable for production process, etc., and achieve the effect of avoiding yellowing

Active Publication Date: 2016-09-21
GUANGDONG ESQUEL TEXTILES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this process requires high temperature baking, resulting in serious yellowing of fabrics or yarns.
In addition, this method is not suitable for the current main production process, such as: knitted inter-stripes, woven yarn-dyed fabrics, knitted inter-striped fabrics, woven yarn-dyed fabrics need cheese in the production process, and cheese yarn Not suitable for the above-mentioned high-temperature baking production method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A kind of reactive anion modifier and preparation method thereof
  • A kind of reactive anion modifier and preparation method thereof
  • A kind of reactive anion modifier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] This embodiment provides a reactive anion modifier, which is prepared through the following steps:

[0043] Beat cyanuric chloride in an ice-water bath and add it to the reaction kettle, start the agitator, and slowly add 1.05 times the molar amount of cyanuric chloride to the reaction kettle, which has been dissolved in advance and cooled to 0-5 ° C aniline- 2,4-sodium disulfonate solution, the dropwise addition is completed within 30 minutes, the temperature is controlled at about 5°C, and NaHCO 3 Adjust the pH and keep the pH at 3-3.5 to obtain a crude product solution;

[0044] Add 0.95 times the molar amount of the para-ester to the above crude product solution, control the pH to 4-4.5, slowly raise the temperature to below 60°C, and use an amino reagent for detection. If the junction line does not change color, the reaction end point is reached;

[0045] Then the obtained product is neutralized, salted out and precipitated, and the solid substance obtained by low...

Embodiment 2

[0051] This embodiment provides a reactive anion modifier, which is prepared through the following steps:

[0052] Beat cyanuric fluoride in an ice-water bath and add it to the reaction kettle, start the agitator, and slowly add 1 times the molar amount of cyanuric fluoride to the reaction kettle, which has been dissolved in advance and cooled to 0-5 ° C aniline- 2,4-Sodium disulfonate solution, the dropwise addition is completed within 30 minutes, the temperature is controlled at about 1°C, and NaHCO 3 Adjust the pH and keep the pH at 3-3.5 to obtain a crude product solution;

[0053] Add 1 times the molar amount of the para-ester to the above crude product solution, control the pH to 4-4.5, slowly raise the temperature to below 60°C, and use an amino reagent to detect, and the junction line does not change color to reach the end of the reaction;

[0054] Then the obtained product is neutralized, salted out and precipitated, and the solid substance obtained by low-temperatur...

Embodiment 3

[0060] This embodiment provides a reactive anion modifier, which is prepared through the following steps:

[0061] Beat cyanuric chloride in an ice-water bath and add it to the reaction kettle, start the agitator, and slowly add 1.05 times the molar amount of cyanuric chloride to the reaction kettle, which has been dissolved in advance and cooled to 0-5 ° C aniline- 2,4-sodium disulfonate solution, the dropwise addition is completed within 30 minutes, the temperature is controlled at about 5°C, and NaHCO 3 Adjust the pH and keep the pH at 3-3.5 to obtain a crude product solution;

[0062] Add 1.05 times the molar amount of the meta-ester to the above crude product solution, control the pH to 4-4.5, slowly raise the temperature to below 60°C, and use an amino reagent for detection. If the junction line does not change color, the reaction end point is reached;

[0063] Then the obtained product is neutralized, salted out and precipitated, and the solid substance obtained by low...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention provides a reaction type anionic modifier and a preparation method thereof. The reaction type anionic modifier comprises a compound represented by the formula I and / or one or a combination of several of compounds represented by the formula II shown in the description, wherein R1 is selected from -H, -CH3 and -CH2CH3; R2 is selected from aromatic radical with one or multiple water-soluble groups; R3 is selected from materials a, b and c of whish formulas shown in the description; R4 comprises materials c and d. The reaction type anionic modifier provided by the invention can realize modification by being reacted with cellulosic fibers in an aqueous solution, and yellowing of a textile can be avoided; the reaction type anionic modifier is suitable for industrial production at present.

Description

technical field [0001] The invention relates to a reactive anion modifier and a preparation method thereof, in particular to an anion modifier for preventing cellulose fiber staining and a preparation method thereof, belonging to the technical field of textile printing and dyeing. Background technique [0002] During fabric processing and laundering, cross-staining of cellulosic fiber fabrics is a very important issue for processors and consumers. Solve this problem at present mainly by adopting anti-staining detergent, but anti-staining detergent is not completely effective for preventing staining. The main reason for the staining of cellulose fiber fabrics during washing is that the cellulose fibers attract hydrolyzed anionic dyes. [0003] The patent application with the application number 99812552.0 discloses a kind of anion-modified cotton with improved comfort and random washing, which uses ammonium sulfamate to modify the cellulose fiber. However, this process requi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D251/50C07D303/36C07D251/44C07D301/27D06M13/364D06M13/355D06M13/385D06M101/06
Inventor 徐伟杰周立明张玉高
Owner GUANGDONG ESQUEL TEXTILES CO LTD
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