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High-alkali-resistance wet cloth silkete penetrating agent and preparation method thereof

A mercerizing penetrating agent, high alkali-resistant technology, applied in the direction of textiles and papermaking, fiber treatment, phosphorus organic compounds, etc., can solve the problem that is not conducive to the rapid entry of lye into the fabric fiber, limit the promotion and application of wet cloth mercerizing technology, mercerizing additives Not resistant to high concentration of alkali, etc., to achieve good strong alkali resistance, high flexibility and adsorption, and uniform mercerizing effect

Inactive Publication Date: 2012-07-18
ANHUI POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In wet cloth mercerizing, the alkali concentration of the mercerizing treatment solution is higher than 300g / l. Due to the high concentration of the lye, it is viscous at low temperature, and the mercerizing process takes a short time, which is not conducive to the rapid entry of the lye into the fabric fiber, making it difficult to Get the ideal satin finish
In order to improve the quality of mercerizing products and obtain a uniform mercerizing effect, mercerizing additives should be added to the mercerizing liquid. Since the concentration of alkali solution in the wet cloth mercerizing process is higher than that in the traditional mercerizing process, commonly used mercerizing additives are not resistant to high concentrations of alkali (≥280g / l), limited the popularization and application of wet cloth mercerizing process

Method used

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  • High-alkali-resistance wet cloth silkete penetrating agent and preparation method thereof
  • High-alkali-resistance wet cloth silkete penetrating agent and preparation method thereof
  • High-alkali-resistance wet cloth silkete penetrating agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] a. Esterification process: add isomeric tridecyl alcohol polyoxyethylene ether (commercially available) to deionized water, and add P in batches while stirring. 2 o 5 , after the addition, the temperature was raised to 90°C, and the temperature was kept for 4 hours to obtain the esterification product, isomerized tridecyl alcohol polyoxyethylene ether, deionized water, P 2 o 5 The molar ratio is 3:1:1;

[0025] b. Hydrolysis process: Add deionized water to hydrolyze the esterification product for 3 hours, cool down to below 50°C, neutralize the phosphate ester with 0.1M sodium hydroxide solution until the pH value is 7, and the isomerized tridecanol poly The molar ratio of oxyethylene ether to deionized water in hydrolysis is 3:1.

[0026] made (RO-(C 2 h 4 O)n) 2 PO(OH)(MAP), RO-(C 2 h 4 O)n PO(OH)(DAP), (RO-(C 2 h 4 O)n) 2 PO(OH)(MAP) and RO-(C 2 h 4 O)n PO(OH)(DAP) molar ratio is 22:1;

[0027] Said n=8;

Embodiment 2

[0029] In addition to a, in the esterification process, isomeric tridecyl alcohol polyoxyethylene ether (ROH), P 2 o 5 Except that the mol ratio is different, all the other are identical with embodiment 1, and its result is as shown in table 1:

[0030] Table 1:

[0031]

[0032] It can be seen from Table 1 that there are differences in the mono- and di-ester contents and ratios of isomeric tridecanol polyoxyethylene ether and phosphorus pentoxide measured in different proportions, and the wetting time and settling time of 300g / L NaOH solution are also different. vary. With the increase of the ratio, the proportion of phosphate diester gradually decreased, but the ratio of monoester to diester gradually increased. The settling time of the standard canvas gradually decreases with the increase of MAP:DAP, but its alkali resistance basically does not change. When the ratio is 6:1 and 5:1, the wetting time of the synthetic product is very short, but the settling time of the...

Embodiment 3

[0034] Except that the temperature in a, esterification process is different, all the other are identical with embodiment 1, and its result is as table 2.

[0035] Table 2: (300g / L sodium hydroxide solution, 3% phosphoric acid ester)

[0036]

[0037]

[0038] Since temperature is a very important process condition for organic synthesis reactions, if the temperature is too low, the reaction speed will be too slow and the esterification reaction will not be complete; if the temperature is increased, the reaction speed will be accelerated, but the phosphoric acid esterification temperature is too high to easily produce the following two Adverse effects on the aspect, it is easy to produce dehydration etherification between hydroxyl groups, so that the content of hydroxyl groups is reduced; the increase of esterification reaction temperature will also increase the rate of esterification reaction, but will produce more by-products, and the color of the product will deepen.

[...

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Abstract

The invention discloses a high-alkali-resistance wet cloth silkete penetrating agent and a preparation method thereof. The penetrating agent is Lutensol TO phosphate. Compared with the prior art, the high-alkali-resistance wet cloth silkete penetrating agent has high alkali resistance, high biodegradability, excellent wettability and emulsification performance and no side or toxic effect, and canbe widely mixed with other auxiliary agents. The high-alkali-resistance penetrating agent is synthesized by a phosphorus pentoxide direct phosphating method, so the preparation method is simple in operation and mild in reaction condition. The developed high-alkali-resistance wet cloth silkete penetrating agent can be applied to the wet cloth mercerizing process of cotton, linen fabric and blend fabric of the cotton and the line fabric.

Description

technical field [0001] The invention belongs to a printing and dyeing auxiliary agent and a preparation method thereof, in particular to a penetrating agent and a preparation method thereof. Background technique: [0002] Mercerizing can improve the adsorption performance and gloss of fabrics, improve the dimensional stability of fabrics, and is an important link in the pre-treatment of fabrics. In the conventional dry cloth mercerizing process of fabrics, only surface mercerizing can be achieved due to insufficient penetration of lye, and the mercerizing effect is not ideal. At the same time, the cloth needs to be dried to obtain dry cloth before mercerizing, which consumes a lot of energy. The wet cloth mercerizing process of fabrics can easily and significantly improve the permeability of mercerizing lye, and at the same time reduce the drying process in the pretreatment process and save energy. In wet cloth mercerizing, the alkali concentration of the mercerizing treatm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/53D06M13/295C08G65/00C07F9/09
Inventor 王宗乾李长龙许德生徐珍珍
Owner ANHUI POLYTECHNIC UNIV
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