Soaping enzyme for denim fabric washing and preparation technology thereof

Abstract

The invention relates to a soaping enzyme used for denim fabric washing and a preparation technology thereof. The soaping enzyme is prepared by cross-feeding 50-200 parts of peroxidase, 10-50 parts ofcellulase, 50-200 parts of sodium percarbonate, 50-100 parts of alcohol ether, 100-300 parts of pure adipic acid, 200-300 parts of sodium citrate, 10-50 parts of a drying agent and 0-200 parts of sodium sulfate into a stainless steel double helix conical stirring tank for a reaction. Compared with the prior art, the soaping enzyme can be used at the low temperature ranging from 20 DEG C to 35 DEGC, the treatment time is short, and only 5-10 min is needed; by cooperating with a denim garment desizing and yeast grinding one-bath efficient integrated enzyme for use, the treatment time of the efficient integrated enzyme can be shortened, and the figure three-dimensional sense is higher compared with applying the efficient integrated enzyme separately. After spraying PP, the soap enzyme can replace traditional washing powder and detergent agent washing, washing powder is not used any more, and phosphorus emission is lowered; after the soaping enzyme treatment, the sand position definitionis higher, the cloth texture is clearer, and backstaining is lower.

Description

technical field [0001] The invention relates to a soaping enzyme and a preparation process thereof, in particular to a soaping enzyme for washing denim fabrics and a preparation process thereof. Background technique [0002] It has been more than 100 years since the development of jeans. Jeans have also developed from the initial overalls to the current fashion clothing. Almost everyone has at least one piece, whether it is a first-line big brand, light luxury brand, fast fashion, chain Cowboys can be seen in supermarkets and even roadside stalls in night markets. Although the price varies from tens of yuan to thousands of yuan, there is no shortage of washing techniques. The existing denim washing conventional processes include: manual (hanging grinding, hand wiping cat whiskers, tie flowers, etc.), desizing, enzyme stone grinding, rinsing (potassium permanganate bleaching, sodium hypochlorite bleaching, hydrogen peroxide bleaching), neutralization washing , Crumple finis...

AI Technical Summary

Problems solved by technology

Enzyme stone washing only uses cellulase enzyme washing, it is difficult to achieve the three-dimensional effect of blooming for some orders, especially European and American orders require a strong three-dimensional effect of denim blooming; and use cellulase + pumice stone together for enzyme stone washing , the pumice will be worn out during the grinding process and remain in the pockets or folds of the jeans, which is difficult to clean and uncomfortable to wear. In addition, the pumice slag produced after the wear of the pumice is very unfavorable to the sewage system, and the sewage system must be regularly polluted mud cleanup

The principle of cellulase fermentation and washing is to use cellulase to decompose cellulose fibers, coupled with the force of mechanical equipment, so as to achieve the effect of denim blooming, but cellulase not only decomposes the surface of the fiber, but also decomposes the inside of the fiber, so If the dosage and process of cellulase are not properly controlled during the fermentation and washing process, it will lead to excessive damage to the processed clothing

Although the pumice stone only wears on the surface of the fiber, due to the sewing factor, some parts of the denim clothing will be hard, resulting in severe wear or even wear on the hard part. The biggest problem with the pumice stone is that the pumice residue produced will remain in the clothing pocket. , has a certain impact on wearing, especially children's clothing, and the pumice slag produced has a serious impact on the sewage system

After the denim processing is sprayed with PP and neutralized, some factories will clean it with washing powder or soap oil and other detergent additives to improve the clarity of the sprayed PP parts and improve the anti-staining of the cloth surface. Detergents such as soap oil have a high phosphorus content, which has a certain impact on the sewage system, and the dyes that are stained on clothing, once combined with fibers, are difficult to be cleaned by detergents. to the desired clarity

[0005] In summary, the above existing processing methods have the following disadvantages: 1. Excessive amount of cellulase or excessively long process will cause great damage to fiber strength and serious brittle damage to fabrics; 2. If pumice slag is not cleaned cleanly, it will cause damage to human skin , especially children; 3. Pumice slag will block the sewage treatment tank and must be cleaned regularly, which increases the operating cost of the factory and will also affect the production effect and order cycle; 4. If the phosphorus content is too high, if the treatment is not thorough, it will cause water pollution Eutrophication, affecting the ecological environment

[0006] The traditional denim desizing and enzyme stone washing process is carried out in two steps, first desizing and then enzyme stone washing. Patent ZL200810040257.4 discloses a manufacturing process of an energy-saving and environmentally friendly all-round enzyme for denim washing. The invention also discloses the use of The energy-saving and environment-friendly all-round enzyme for denim washing combines the three processes of desizing, fermentation washing and softening under the condition of 60°C, thus simplifying the process flow, shortening the working time, achieving energy saving and emission reduction, and improving production efficiency , reduce production costs, reduce environmental pollution, and standardize the washing process of denim. However, the product of this invention has no problem in the blooming effect, but it cannot replace the pumice style, and the anti-staining effect is insufficient.

Patent ZL201410828847.9 discloses a biological enzyme desizing and fermentation one-bath process for pure cotton and cotton-containing blended denim garments. Combining the two processes of desizing and fermentation washing, an average of 100 pairs of jeans will be reduced by 3 cylinders of water, reducing the use of chemical additives, reducing COD / BOD, and comprehensively achieving "water saving, energy saving, consumption reduction, and emission reduction" The purpose of the whole process is time-saving, simple, easy to control, and reasonable, no toxic substances are produced, the production efficiency is significantly improved, the product quality is more stable, and the overall production cost is greatly reduced. However, the product of this invention has no problem in the blooming effect, but Cannot replace the pumice stone style, and the anti-staining effect is insufficient

The newly developed denim garment defermentation one-bath high-efficiency all-purpose enzyme, patent application 201810835037.4 discloses a denim garment defermentation one-bath high-efficiency all-purpose enzyme and its preparation process, the invention mentions that the denim garment defermentation one-bath high-efficiency all-round enzyme The two-bath process of enzyme washing and fermentation washing is combined into one bath process, which saves water, electricity, and time; the use temperature is lower, and the highest effect of desizing and enzyme stone grinding can be achieved at a maximum of 35°C; There is no influence on the fabric, and it will not cause the size of the jeans to increase or local foaming during the washing process; it can replace the pumice stone to achieve the coarse ore flower point style of pumice washing, reduce the use of pumice stones, and reduce the pumice slag in the sewage system. The deposition of pumice causes a large amount of sludge in the sewage system; reducing the use of pumice stones can improve the service life of washing equipment; reducing the use of pumice stones can reduce the time waste caused by cleaning pumice stones in the washing process and improve washing efficiency. It is good in blooming and anti-staining effect, but the strong damage is relatively high

[0007] After the traditional denim is washed with monkeys, it is neutralized with sodium metabisulfite, washed with washing powder and soap oil, and then washed with clean water. This process is used to achieve the clarity of the sprayed PP part and the brightness of the cloth surface. However, most of the washing powder currently used in the factory is ordinary washing powder with a very high phosphorus content. Extensive use will have a great impact on the water environment, and it is difficult to wash off the dye that is stained on the cloth surface with washing powder and soap oil.

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