Polyester fabric dyeing degreaser and preparation method thereof

Abstract

The invention relates to a polyester fabric dyeing degreaser and a preparation method of the degreaser. At present, polyester fabric dyeing degreaser which is capable of removing oil agents and greasy dirt during dyeing and a preparation method of the polyester fabric dyeing degreaser are not available. The preparation method provided by the invention comprises the following steps of: preparing 8-20 parts by weight of alcohol ether R1-O (EO) nH, 3-8 parts by weight of alcohol ether R2-O (PO) c (EO) dH, 2-7 parts by weight of alcohol ether R3-O (EO) fH, 2-6 parts by weight of R4- (PO) a (EO) b phosphate, 3-5 parts by weight of alkyl sodium sulfonate, 0.5-2 parts by weight of inorganic base, 0.1-1 part by weight of chelating disperse agent, 2-4 parts by weight of solvent and 40-70 parts by weight of water as raw materials; mixing water, the R4- (PO) a (EO) b phosphate and alkyl sodium sulfonate; adding the inorganic base into the mixture for reaction for 20-40min; adding alcohol ether R1-O (EO) nH, alcohol ether R2-O (PO) c (EO) dH and alcohol ether R3-O (EO) fH and emulsifying; adding the chelating disperse agent; and adding the solvent to obtain the finished product. The polyester fabric dyeing degreaser can be used for removing oil agents and greasy dirt during dyeing.

Description

technical field [0001] The invention relates to a polyester fabric dyeing and degreasing agent and a preparation method thereof. The polyester fabric dyeing and degreasing agent is mainly suitable for a one-bath process of polyester fabric dyeing and degreasing, and can remove oil and oil stains on the polyester fabric during the dyeing process. Background technique [0002] At present, polyester fabrics to be dyed are usually pretreated before dyeing. The pretreatment process generally uses caustic soda, refining agent, penetrant and chelating dispersant, etc., and is treated at a temperature of 90-95°C for 30-50 minutes, and then Drain the residual liquid, and then wash at a temperature of 50-60°C for about 30 minutes to remove the spinning and weaving oil on the polyester fabric, and then carry out disperse dyeing. This process takes a long time, consumes a lot of water, and consumes High performance, does not meet the requirements of energy saving and emission reduction....

AI Technical Summary

Problems solved by technology

Another example is that the publication date is January 20, 2010, and the publication number is CN101629130 in the Chinese patent, which discloses a fabric degreaser in the same bath. The fabric degreaser in the same bath consists of: aliphatic amine polyoxyethylene 10% to 60% of ether, 5% to 40% of alkyl sulfonate, 10% to 50% of sulfate surfactant or / and phosphate ester salt surfactant, and the rest is water; It can be used for one-bath treatment of polyester, nylon, cotton and other fabrics for oil removal and dyeing, but its biodegradability is poor, and its performance in penetration, emulsification and dispersion is also poor

[0004] In summary, at present there is no polyester fabric dyeing degreaser and its degreaser that directly adds the degreaser to the dyeing bath without pre-treatment of degreasing to achieve the purpose of removing oil and oil stains during dyeing. Preparation