Method for using glutamine aminotransferase catalyzing exogenous protein to clean wool fabric
A technology of transglutaminase and exogenous protein, which is applied in biochemical fiber treatment, fiber treatment, animal fiber, etc., can solve the problems of unrealized wide application of protease, poor effect of wool, loss of fiber strength, etc., and achieve improvement Physical and mechanical properties, improving the quality of fabric products, and reducing the effect of COD value
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Embodiment 1
[0014] Wool fabrics were oxidized with potassium permanganate (KMnO 4 : 4% (o.w.f), JFC 1g / L, pH=3-5, T=40°C, t=30min, bath ratio 1:20), fully washed and dried, then immersed in protein 3g / L, enzyme dosage It is a solution of 10-20U / g wool, the bath ratio is 1:20, the reaction temperature is 35°C, the pH is 6.5, and the reaction time is 1 hour. After the reaction, the fabric was fully washed and dried at 50°C.
[0015] The shrinkage rate of the fabric after the above treatment is 1.87%, and the strength is 435N. The COD value of the treatment solution is 31000mg / L. Compared with the original fabric felt shrinkage rate of 9.5%, the felt shrinkage rate is reduced.
Embodiment 2
[0017] After the wool fabric was treated with protease Savinase 16L (enzyme: 1g / L, JFC 1g / L, pH=8, T=50°C, t=45min, bath ratio 1:20), it was fully washed with water and dried, and then soaked in / L, the enzyme dosage is 10-20U / g wool solution, the bath ratio is 1:20, the reaction temperature is 35°C, the pH is 7.5, and the reaction time is 3 hours. After the reaction, the fabric was fully washed and dried at 50°C.
[0018] The shrinkage rate of the fabric after the above treatment is 3.27%, and the strength is 456N. The COD value of the treatment solution is 27000mg / L. Compared with the original fabric felt shrinkage rate of 9.5%, the felt shrinkage rate is reduced.
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