The natural vegetable dye grape seed extract (GSE) was applied on the direct dyeing of lyocell knitted fabric. By changing the dyeing condition, the modified process was derived after evaluating various fastnesses of the dyed fabric. The direct dyeing method should be under the condition of GSE’s concentration 5g/L, bath preparation temperature 80°C, pH value 3, bath ratio 1:30, dyeing time 60min. The color is very sensitive to pH and GSE’s concentration. The rubbing fastness, washing fastness and light fastness is good, the acid perspiration fastness is better than the alkaline perspiration fastness.
Added sarcandra glabra extracts into cellulose viscose solution, make the two blends together to spin, and get functional viscose fiber with the nature antibacterial function. The test result shows that mixed sarcandra glabra extracts has no bad effect on the basic mechanical properties of the viscose fiber and the viscose fiber has the good antibacterial performance.
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