Journal of Textile Research ›› 2015, Vol. 36 ›› Issue (06): 64-67.
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Abstract:
Aiming at the problem of large amount of alkali and hydrogen peroxide, long production cycle and low efficiency in traditional cold pad pre-treatment of cotton fabric, a new type of oxygen bleaching activators with homemade transition metal salt mixture, CNC, pyrophosphate was prepared, and through single factor and orthogonal experiments, the best conditions in new cold pad pretreatment for cotton fabric were as follows the mass concentration t of H2O2 was 30 g/L, the mass concentration of NaOH was 30 g/L, the mass concentration of activator was 6 g/L, the mass concentration of penetrant was 3 g/L, batching time was 7 h, mangle was 100% and temperature was room temperature. Under above conditions, the fabric whiteness was 84.2%, strength was 682.7N and capillary effect was 8 cm﹒30min-1. The results showed that not only did the new process can make the fabric to obtain better treatment effect but also it could reduce the amount of alkali and hydrogen peroxide, shorten stacking time, improve efficiency and lower production costs
Key words: activator, cotton fabric, clod pad-batch, pretreatment
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