Preparation method and product thereof for fabric waterproof and darkening finishing agent

A technology of finishing agent and fabric, which is applied in the field of preparation of fabric waterproof and deepening finishing agent, which can solve the problems of surface color floating and poor washing fastness, poor waterproof effect of fabrics, and large amount of dyeing and chemical materials, etc., and achieves significant effective fluorine Alkyl shielding effect, excellent waterproof and deepening effect, and easy emulsification process

Active Publication Date: 2022-05-17
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, with the continuous improvement of people's living standards, single-function textile finishing agents can no longer meet people's needs, and the fabrics finished with amino silicone oil have the defects of poor waterproof effect and easy yellowing.
At the same time, when reactive dyes are used to dye cotton fabrics, there are problems such as large amount of dyeing materials, not deep dyeing, floating color on the surface and poor washing fastness.

Method used

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  • Preparation method and product thereof for fabric waterproof and darkening finishing agent
  • Preparation method and product thereof for fabric waterproof and darkening finishing agent
  • Preparation method and product thereof for fabric waterproof and darkening finishing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] (1) Preparation of p-acryloyloxybenzoic acid: in a three-necked flask equipped with magnetic stirring, reflux condenser and thermometer, add 6.9 grams of p-carboxybenzoic acid, 4.0 grams of sodium hydroxide, and 50 grams of deionized water in sequence; Subsequently, 4.5 grams of acryloyl chloride was dissolved in 8 grams of acetone solvent, and at room temperature, was added dropwise to the above reaction solution through a constant pressure dropping funnel, and continued to react for 5 hours at room temperature after the drop was completed; Add a hydrochloric acid solution with pH=3 to the above reaction system, adjust the pH value of the solution to neutral, filter with suction, wash the obtained solid with deionized water at 50°C for 3 times, and then put the solid in an oven to dry for 2 hours to obtain a white solid in the form of intermediate The product p-acryloyloxybenzoic acid;

[0039] (2) Preparation of tridecafluorooctyl p-hydroxybenzoate: In a three-necked ...

Embodiment 2

[0054] (1) Preparation of p-acryloyloxybenzoic acid: same as Example 1.

[0055] (2) Preparation of trifluorooctyl p-hydroxybenzoate: same as Example 1.

[0056] (3) Preparation of 2-(perfluorohexyl)ethyl-4-[4-(acryloyloxy)-benzoyloxy]benzoate (FPA): Same as Example 1.

[0057] (4) Preparation of fluorine-containing alkyl-modified amino silicone oil: In a reactor equipped with a thermometer, reflux condenser and magnetic stirring, add 15 ml of tetrahydrofuran and 8.95 grams of amino silicone oil, and heat up the reaction solution to 60°C. 2-(perfluorohexyl)ethyl-4-[4-(acryloyloxy)-benzoyloxy]benzoate functional monomer was dissolved in 5 milliliters of tetrahydrofuran solvent, and the Add it dropwise to the above reaction system, and continue to react for 5 hours after the drop; subsequently, dissolve 1.9 grams of vinyltriethoxysilane in 5 milliliters of tetrahydrofuran solvent, and add it dropwise to the above reaction system through a constant pressure dropping funnel, Con...

Embodiment 3

[0061] (1) Preparation of p-acryloyloxybenzoic acid: same as Example 1.

[0062] (2) Preparation of trifluorooctyl p-hydroxybenzoate: same as Example 1.

[0063] (3) Preparation of 2-(perfluorohexyl)ethyl-4-[4-(acryloyloxy)-benzoyloxy]benzoate (FPA): Same as Example 1.

[0064] (4) Preparation of fluorine-containing alkyl-modified amino silicone oil: In a reactor equipped with a thermometer, reflux condenser and magnetic stirring, add 15 ml of tetrahydrofuran and 8.95 grams of amino silicone oil, and the temperature of the reaction solution is raised to 60 ° C. 2-(perfluorohexyl)ethyl-4-[4-(acryloyloxy)-benzoyloxy]benzoate functional monomer was dissolved in 15 milliliters of tetrahydrofuran solvent, and the Add it dropwise to the above reaction system, and continue to react for 5 hours after the drop; subsequently, dissolve 1.9 g of vinyltriethoxysilane in 5 ml of tetrahydrofuran solvent, and add it dropwise to the above reaction system through a constant pressure dropping f...

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Abstract

The invention discloses a preparation method and a product of a fabric waterproof and darkening finishing agent, including the preparation of p-acryloyloxybenzoic acid; the preparation of tridefluorooctyl p-hydroxybenzoate; 2-(perfluorohexyl) Preparation of ethyl-4-[4-(acryloyloxy)-benzoyloxy]benzoate; preparation of fluorine-containing alkyl modified amino silicone oil; preparation of fluorine-containing alkyl modified amino silicone oil emulsion . In the molecular structure of the fabric waterproof and darkening finishing agent of the present invention, 2-(perfluorohexyl) ethyl-4-[4-(acryloyloxy)-benzoyloxy] benzoate is used as the fluorine-containing functional unit The body, which connects two rigid benzene rings through an ester group, and uses it as a linking group to bond an environmentally friendly short fluorocarbon chain to the amino silicone oil molecule, and uses the liquid crystal effect of the biphenyl group to promote short fluorocarbon chains. Regularly arranged outward and perpendicular to the surface of the substrate, it provides a more significant and effective fluoroalkyl shielding effect, resulting in an excellent waterproof and deepening effect.

Description

technical field [0001] The invention belongs to the field of polymer material synthesis and textile chemical auxiliary agents, and in particular relates to a preparation method and a product of a fabric waterproof and darkening finishing agent. Background technique [0002] Amino silicone oil can be regarded as the product after part of the side or terminal methyl groups in dimethyl silicone oil are replaced by aminohydrocarbon groups, because the polarity of the amino group in the molecular structure is strong, and it can interact with the hydroxyl group, carboxyl group and other groups in the fiber. Function, produce strong orientation and adsorption, make siloxane oriented arrangement on the fiber, so as to endow the fabric with soft, smooth and elastic finishing effect, known as the new generation of best silicone oil softener. [0003] However, with the continuous improvement of people's living standards, single-function textile finishing agents can no longer meet peopl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/657C08G77/388C08G77/385C08G77/26D06M101/06
CPCD06M15/657C08G77/388C08G77/385C08G77/26D06M2200/12D06M2101/06
Inventor 蔡露吕存康佳良何雪梅周天池王丽丽
Owner YANCHENG INST OF TECH
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