Low-temperature dyeing method for aramid/fire-retardant viscose blended fabric
A flame-retardant viscose and blended fabric technology, applied in the field of textile printing and dyeing, can solve the problems of non-bright colors, limited color types, and poor fabric homochromaticity. Effect
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Embodiment 1
[0068] Get sodium hydroxide, oil remover DO and water respectively, mix and prepare pretreatment liquid, the concentration of sodium hydroxide and oil remover DO in this pretreatment liquid is respectively 10g / L and 2g / L; Press bath ratio 50: 1. Put the aramid fiber / flame retardant viscose blended fabric to be dyed into the prepared pretreatment solution, and boil it at 80°C for 30 minutes to remove the oil and stains produced during the weaving process, and then , washed with water and dried; respectively taking pyrrolidone and sulfolane at a volume ratio of 6:4 to prepare a dyeing aid. According to the weight of the aramid fiber / flame-retardant viscose blended fabric after pretreatment, according to the weight percentage (owf) of the dye and the fabric, respectively take 3% of Enix Red, 3% of Cibacron Red, and 3% of Cibacron Yellow B3% and remazol blue B3%, and then take the dispersant NNO, NaCl, the prepared dyeing aid and OP-10 respectively, make the mixed solution of the ...
Embodiment 2
[0080] Get sodium hydroxide, degreasing agent DO water respectively, mix and prepare pretreatment liquid, the concentration of sodium hydroxide and degreasing agent DO in this pretreatment liquid is respectively 15g / L and 2.5g / L; Press bath ratio 50: 1. Put the aramid fiber / flame retardant viscose blended fabric to be dyed into the prepared pretreatment solution, and boil it at 90°C for 40 minutes to remove the oil and stains produced by the fabric during the weaving process. After that, Washing and drying; take acetophenone and sulfolane respectively according to the volume ratio of 6:4, and compound them to obtain dyeing aids; Percentage (owf), respectively take Big Enix Red 5%, Cibacron Red B5%, Cibacron Yellow B5% and Remazol Element Blue B5%, respectively take dispersant NNO, sodium sulfate, prepared dyeing aids and fatty alcohol polyoxyethylene ether, the raw materials taken are made into a mixed solution, and acetic acid is added dropwise in the mixed solution to make a...
Embodiment 3
[0082] Take sodium hydroxide, degreasing agent DO and water respectively, mix and prepare pretreatment liquid, the concentrations of sodium hydroxide and degreasing agent DO in this pretreatment liquid are respectively 12.5g / L and 2.25g / L; 50:1, put the aramid / flame retardant viscose blended fabric to be dyed into the prepared pretreatment solution, boil at 85°C for 35 minutes, and remove the oil and stains generated during the weaving process of the fabric, After that, wash with water and dry; according to the volume ratio of 6:4, take pyrrolidone and sulfolane respectively, and compound them to obtain dyeing aids; Percentage (owf), respectively get Big Enix red 4%, Cibacron red B4%, Cibacron yellow B4% and Remazol blue B4%, respectively get dispersant NNO, NaCl, the dyeing aid that makes and OP-10 nonylphenol polyoxyethylene ether, the raw materials taken are made into a mixed solution, and acetic acid is added dropwise to the mixed solution to obtain a dye solution with a p...
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