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This paper studies the the linen fabric desizing, scouring , bleaching and soft finishing mechanism and influence factors that determine the linen fabric pre-treatment process conditions . Application of Low Temperature Plasma in linen fabric alkaline desizing . Experimental results show that the linen fabric treated by low-temperature plasma ( 200W , 30 Pa , 5 min ) , alkaline desizing optimum conditions : the NaOH 6g / L , desizing time 10min, compared with conventional alkali Desizing , NaOH a 40% reduction in the amount of time by 67% , and the capillary effect are improved strength retention . Processing enzyme linen fabric . The enzyme concentration , temperature , time and pH value , respectively, the effect of scouring hemp fabric of pectinase and cellulase . Optimization of process : of pectinase g / L cellulase 2 g / L , temperature 55 ° C , time 90min , pH 6 , the reduction of the treated fabric was 5.25% , and the stiffness of 41.1 mm , the capillary effect 12.5cm . Steaming hydrogen peroxide bleaching process of linen fabric . The hydrogen peroxide concentration , pH , steaming time , oxygen bleach activator TAED bleaching effect . Optimize the process as follows: the concentration of hydrogen peroxide as a 30 g / L , the steaming time of 60 min , the pH value of 10 , TAED concentration for 4g / L . The treated fabric whiteness of 81.86 , breaking strength 580.0N stiffness 38.5mm . Selection of cellulase and softener linen fabric soft finish , KES testing and liquid water dynamic transmission performance testing ( MMT ) , draw cellulases and softener composite soft linen fabric finishing touch, fabric style and water management capabilities are good.
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