Desizing aid as well as preparation method and application thereof

Abstract

The invention discloses a desizing aid, and relates to the field of jean textile washing. The desizing aid comprises the following components in parts by weight of 20 to 30 parts of a polyester surfactant, 40 to 55 parts of a nonionic surfactant, 30 to 45 parts of a cationic surfactant and 2 to 4 parts of a pH regulator. The desizing aid provided by the invention can effectively desize and also has a good dye-resistant effect, and in the application process, dye-resistant products do not need to be additionally added, so that the use cost is saved for enterprises.

Description

technical field [0001] The invention relates to the field of washing water for denim textiles, in particular to a desizing aid and its preparation method and application. Background technique [0002] Desizing of denim garments is an indispensable part of the denim washing process. The materials currently used for desizing include: caustic soda, soda ash, soap oil, NP8.6, desizing enzyme, and good and bad people are mixed. There are different opinions and different requirements. . The prior art has the following disadvantages: (1) Desizing with caustic soda, soda ash, and washing powder takes a huge amount, about 1000 g / machine, requires heating, and the labor and transportation costs are extremely high, and the storage takes up a lot of space, which is not conducive to renting a factory building Reasonable use of the leased area, and caustic soda is a dangerous product, which is not conducive to storage and has risks for workers to use. The surface of the denim fabric trea...

AI Technical Summary

Problems solved by technology

The prior art has the following disadvantages: (1) Desizing with caustic soda, soda ash, and washing powder takes a huge amount, about 1000 g / machine, requires heating, and the labor and transportation costs are extremely high, and the storage takes up a lot of space, which is not conducive to renting a factory building Reasonable use of the leased area, and caustic soda is a dangerous product, which is not conducive to storage and has risks for workers to use. The surface of the denim fabric treated with this type of product is alkaline, which is easy to damage the background color and greatly reduces its soaping fastness

(2) Users who use soap oil and NP8.6 have a certain anti-staining effect, but the desizing effect is not ideal, and it needs to be diluted with water before use, which is inconvenient to use. The diluted product is easy to waste for workers. , (generally use diluted product dosage: 3-5kg)

Amylase only works on starch size, and most of the garment fabrics on the market are relatively poor. Denim garments mixed with recycled cotton cannot be desized with desizing enzyme. If the size is really removed, When other washing processes are carried out later, the fibers are easy to break, and the trousers are easy to be washed, which brings great losses to the users of the washing plant

(4) For users who use laundry detergent to desizing, the laundry detergent on the market is 4-6 yuan / kg, the cost of use is high, and the anti-staining effect is not ideal

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