Hydrogen peroxide orientation catalytic composite additive and application of additive to pretreatment of cotton
The invention discloses a hydrogen peroxide orientation catalytic composite additive. The additive is prepared by mixing the following raw materials in percentage by mass: 0.001-5% of copper salt, 0.001-0.01% of ferric salt, 0.001-5% of ammonia water, 0.001-5% of a chelating agent, 0.001-5% of dodec...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention discloses a hydrogen peroxide orientation catalytic composite additive. The additive is prepared by mixing the following raw materials in percentage by mass: 0.001-5% of copper salt, 0.001-0.01% of ferric salt, 0.001-5% of ammonia water, 0.001-5% of a chelating agent, 0.001-5% of dodecyl dimethyl benzyl ammonium chloride, 0.001-5% of fatty alcohol-polyoxyethylene ether, 0.001-5% of alkyl sodium sulfonate, 0.001-5% of sodium alkyl sulfate and 64.99-99.992% of purified water, wherein the total percentage by mass is 100%. The invention also discloses a method for carrying out pretreatment on cotton fabrics by using the additive. The method is characterized by comprising the following steps: placing cotton fibers or cotton fabrics to be treated in a pretreatment device, adding pretreatment water and keeping dyeing bath circulation; carrying out pretreatment on the cotton fibers or the cotton fabrics in the pretreatment device by using the hydrogen peroxide orientation catalytic composite additive. |
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