Knitted fabric printing and dyeing pretreatment solution, preparation method thereof and knitted fabric dyeing process
A pretreatment solution and knitted fabric technology, applied in the field of knitted fabric dyeing, can solve the problems of reducing the amount of positive charges on the surface of knitted fabrics, affecting the coloring effect of knitted fabrics, etc., and achieve the effects of increased dyeing rate, low cost, and easy preparation
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[0051] Preparation example of compound fiber positive charge protective agent
[0052] The compound fiber positive charge protection agent is prepared by the following method: adding sodium ethylenediaminetetramethylenephosphonate and diethylenetriaminepentamethylenephosphonic acid in water, then adding nonionic penetrant, methyl maleate acrylate The copolymer and the isomerized alcohol polyoxyethylene ether are mixed uniformly to obtain a compound fiber positive charge protection agent.
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[0053] Example 1
[0054] A knitted fabric printing and dyeing pretreatment solution. The raw materials of the pretreatment solution include water and a pretreatment agent. Water is a solvent, and the pretreatment agent is a solute. The raw material ratio of the pretreatment agent is shown in Table 1 and Table 2.
[0055] A knitted fabric printing and dyeing pretreatment solution is prepared by the following method: adding 30% hydrogen peroxide, sodium hydroxide, low-temperature hydrogen peroxide activator and compound fiber positive charge protection agent to water, stirring evenly to obtain a pretreatment solution.
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[0056] Example 2-3
[0057] A kind of knitted fabric printing and dyeing pretreatment liquid, the raw material ratio of compound fiber positive charge protection agent is the same in embodiment 2-3 and embodiment 1,
[0058] The difference between Examples 2-3 and Example 1 is that the raw material ratio of the pretreatment agent is different, and the raw material ratio of the compound fiber positive charge protection agent in the pretreatment agent is the same, and the raw material ratio of the pretreatment agent is the same. See Table 1.
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