Levelling agent used for environmentally friendly cotton and preparation method thereof
A kind of leveling agent and environment-friendly technology, applied in the field of cotton leveling agent and its preparation, can solve problems such as unsatisfactory working effect and unreasonable formula, improve dyeing reproducibility, avoid uneven color fixation, reduce cost effect
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[0031] Raw material ratio (mass percentage %):
[0032] Tristyrene polyoxyethylene ether sulfonate: 20 to 25% (example 20%, 22%, 25%)
[0033] Chelating dispersant: 25-30% (example 25%, 28%, 30%)
[0034] Lignosulfonate: 10-15% (example 10%, 12%, 15%)
[0035] Ethylene glycol disuccinate n-octyl diester sodium sulfonate 10-12% (example 10%, 11%, 12%)
[0036] Ammonia (25% mass concentration): 3 to 5% (example 3%, 4%, 5%)
[0037] Silicone defoamer: 0.5%
[0038] Water: balance.
[0039] operating process
[0040] Pump water, add tristyrene polyoxyethylene ether sulfonate, chelating dispersant, ethylene glycol disuccinate n-octyl diester sulfonate sodium, lignin sulfonate in turn, heat up to 30-40 ° C, stir Dissolve evenly. The pH of the solution was carefully adjusted to 8.0-8.5 with ammonia (tested with a pH meter). Turn off stirring, add silicone antifoaming agent, turn on stirring for 1 minute, and turn off stirring for 2 minutes. Repeat 4 times. Filter out.
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