Preparation and use of raw liquid of ceratin of animal hairs
A technology of keratin and animal hair, which is applied in the field of extracting animal hair keratin stock solution, can solve the problems of unusable industrial production and sewage environment, and achieve the effects of preventing oxidation, high yield and enhancing stability
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Embodiment 1
[0033] At 20°C, sodium sulfite, cyclopentanedicarbonamide, and sodium dodecylbenzenesulfonate were formulated into a combined reducing agent according to different concentrations of 0.3mol / L, 1.2mol / L, and 0.8mol / L, respectively. Put the above compound into the reactor of biochemical equipment, under the condition of stirring, the stirring speed is 30rpm, the heating time is 7 minutes when the stirring speed is 30rpm, the normal pressure and the temperature are 20-60°C, and the heating time is 9 minutes at 60-110°C, 110-150 The heating time of ℃ is 7 minutes to make them react with each other. At this time, the pH value of the measured solution rises from 7 to 8, and the reaction is completed, and then it is left to stand for 50 minutes to obtain the combined reducing agent;
[0034] Weigh according to the ratio of the volume ratio of raw wool (wool without textile value) to the above-mentioned combined reagent solution is 5:5 (weigh in two times, each ratio is 1 / 4, 3 / 4) and pu...
Embodiment 2
[0037] At 20°C, sodium sulfite, cyclopentanedicarbonamide, and sodium dodecylbenzenesulfonate were formulated into solutions according to different concentrations of 1.0mol / L, 4.5mol / L, and 3.2mol / L, and the above compounds Put it into the reactor of biochemical equipment, under stirring conditions, the stirring speed is 35rpm, the heating time is 8 minutes at normal pressure and the temperature is 20-60°C, the heating time is 10 minutes at 60-110°C, and the heating time is 110-150°C The time is 8 minutes to make it react with each other. At this time, the pH value of the measured solution rises from 7 to 8. After the reaction is completed, it is left to stand for 60 minutes to obtain the combined reducing agent;
[0038]According to the ratio of the mass volume ratio of the raw material wool to the above-mentioned combined reagent solution of 5:5, take an appropriate amount (weighing twice, each ratio is 1 / 4, 3 / 4) and put the raw material wool in this reagent solution. The te...
Embodiment 3
[0041] At 20°C, potassium sulfite, carbonamide peroxide, and sodium tetradecylsulfate were combined to prepare solutions at different concentrations of 0.5mol / L, 1.8mol / L, and 1.6mol / L, respectively, under stirring conditions , the stirring speed is 50rpm, the heating time is 8 minutes under normal pressure and the temperature is 20-60°C, the heating time is 9 minutes at 60-110°C, and the heating time is 7.5 minutes at 110-150°C to make them react with each other. The pH value of the solution rose from 7 to 8, and the reaction was completed, and then stood for 60 minutes to obtain the combined reducing agent;
[0042] According to the ratio of the mass volume ratio of the raw material wool to the above-mentioned combined reagent solution of 5:5, take an appropriate amount (weighing twice, each ratio is 1 / 4, 3 / 4) and put the raw material wool in this reagent solution. The temperature is raised in stages between 60-95°C±1°C, the temperature rise rate is 5°C / min, and each time it...
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