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Low temperature soaping powder and preparation method thereof

A low-temperature soap and powder washing technology, which is applied in the preparation of detergent mixture compositions, chemical instruments and methods, dyeing methods, etc., can solve the problem of not being able to prepare soaping agent or soaping powder, rarely considering the chromaticity of residual liquid, It does not have problems such as oxidation and decomposition, and achieves excellent cleaning function, anti-staining ability, good decolorization function, and remarkable effect of energy saving and emission reduction

Active Publication Date: 2013-06-26
JIANGSU NEW REBA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the polymer soaping agent solution prepared by this method has strong stability and good soaping effect, the process of the method is complicated, and the prepared soaping agent does not have oxidative decomposition effect on the floating color washed.
[0005] So far, no matter whether it is the introduction of the third monomer, polymerization or compounding with other components, it is realized on the horse-acrylic copolymer liquid, so that a higher content of soaping agent or soaping powder cannot be prepared, and there are few Considering the chromaticity of the residual liquid after soaping, energy saving and emission reduction are not well combined
In addition, there is currently no soaping powder that has an excellent soaping function at low temperatures and has a decolorization function for soaping residues, and it is difficult to effectively achieve the unity of energy saving and emission reduction.

Method used

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  • Low temperature soaping powder and preparation method thereof
  • Low temperature soaping powder and preparation method thereof
  • Low temperature soaping powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The low-temperature soaping powder in this embodiment is composed of horse-acrylic copolymer powder, sodium percarbonate and sodium perborate, wherein the particle diameter of the horse-acrylic copolymer powder is between 0.1-1 mm.

[0028] In the low-temperature soaping powder of the present embodiment, the parts by weight of the horse-acrylic copolymer powder are 25-65 parts, the parts by weight of sodium percarbonate are 35-85 parts, and the parts by weight of sodium perborate are 35-85 parts . In the low-temperature soaping powder of the present invention, the parts by weight of the horse-acrylic copolymer powder can be 25 parts, 26 parts, 28 parts, 30 parts, 32 parts, 34 parts, 36 parts, 38 parts, 40 parts, 42 parts , 44 parts, 46 parts, 48 ​​parts, 50 parts, 52 parts, 54 parts, 56 parts, 58 parts, 60 parts, 62 parts, 64 parts or 65 parts, the parts by weight of sodium percarbonate can be 35 parts, 36 parts parts, 38 parts, 40 parts, 44 parts, 46 parts, 48 ​​parts...

Embodiment 2

[0042] see Figure 1 to Figure 2 , the method for preparing low-temperature soaping powder in this embodiment is to first place the aqueous solution of horse-acrylic copolymer with a solid content of 40% in the reaction kettle, start the stirrer, and simultaneously steam heating and vacuum, and raise the temperature to 75°C Vacuum distillation for 5 hours, then turn on the jacket water to cool down to 60°C and maintain this temperature, discharge the material, then place it in a vacuum oven, dry it in vacuum at a temperature of 110°C for 10 hours, take it out and pulverize it to obtain a horse-propylene copolymer powder. Then take 50 parts by weight of sodium percarbonate, 30 parts of sodium perborate and 20 parts of horse-acrylic copolymer powder and place them in a powdery stirring tank in turn, stir for 20 minutes, and discharge to get low-temperature soaping powder .

[0043] In order to more clearly illustrate that the low-temperature soaping powder prepared by the pres...

Embodiment 3

[0048] The method for preparing low-temperature soaping powder in this example is to first place the horse-acrylic copolymer solution with a solid content of 50% in the reaction kettle, start the stirrer, heat with steam and turn on the vacuum, and then heat up to 80°C for vacuum distillation After 4 hours, start the jacket water to cool down to 60°C and maintain this temperature, discharge the material, then place it in a vacuum oven, dry it in vacuum at 115°C for 9 hours, take it out and pulverize it to obtain a horse-acrylic copolymer powder. Then take by weight 60 parts of sodium percarbonate, 25 parts of sodium perborate and 15 parts of horse-acrylic copolymer powder and place them in a stirring tank in sequence, stir for 20 minutes, and discharge to obtain low-temperature soaping powder.

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Abstract

The invention relates to low temperature soaping powder and a preparation method thereof. So far, there has been no soaping powder which has excellent soaping performance at low temperature and decolouring performance to soaping residue. The low temperature soaping powder provided in the invention comprises, by weight, 25 to 65 parts of maleic anhydride-acrylic acid copolymer powder, 35 to 85 parts of sodium percarbonate and 35 to 85 parts of sodium perborate. The preparation method for the low temperature soaping powder comprises the following steps: with an aqueous solution of maleic anhydride-acrylic acid copolymer, sodium percarbonate and sodium perborate as raw materials, heating the aqueous solution of maleic anhydride-acrylic acid copolymer to a temperature of 70 to 90 DEG C under agitation, subjecting the aqueous solution of maleic anhydride-acrylic acid copolymer to vacuum distillation for 2 to 5 hours at a temperature of 70 to 90 DEG C and cooling the aqueous solution of maleic anhydride-acrylic acid copolymer to a temperature of 60 to 70 DEG C; subjecting the aqueous solution of maleic anhydride-acrylic acid copolymer to vacuum drying for 8 to 15 hours at a temperature of 100 to 150 DEG C, crushing dried maleic anhydride-acrylic acid copolymer and mixing crushed maleic anhydride-acrylic acid copolymer with sodium percarbonate and sodium perborate to prepare the soaping powder. The low temperature soaping powder provided in the invention has strong soaping performance, strong anti-staining performance, and decolouring performance to soaping residue.

Description

technical field [0001] The invention relates to a soaping powder and a preparation method thereof, in particular to a low-temperature soaping powder and a preparation method thereof. The low-temperature soaping powder can perform low-temperature soaping and decolorization on dyed cotton, linen and their blended fabrics. Background technique [0002] Reactive dyes have become the most used dyes in the dyeing of cellulose fibers, but the low utilization rate of dyes due to the hydrolysis of dyes during the dyeing process is still one of its disadvantages, and the hydrolysis of dyes also brings a serious problem , That is, the hydrolyzed dye will be adsorbed on the fiber, which constitutes the main component of the floating color of the dyed matter. After the fabric is dyed, it must be washed to remove the hydrolyzed dye and a small amount of unreacted dye on the fiber, otherwise it will seriously affect the fastness of fabric dyeing. Soaping powder is generally used for washin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D7/60C11D7/18C11D11/00D06P5/08D06P5/10
Inventor 姚庆才姬海涛陈小利
Owner JIANGSU NEW REBA TECH CO LTD
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