Degumming of Silk Objective : Degumming or boiling-off is the process employed to remove the silk gum (sericin) enveloping the two raw silk threads (fibrion) . During the spinning process of silk by silkworms the two filaments are made into one by means of proteinious gummy substance called sericin. The gum content of silk […]
Drawing Of Synthetic Fibres Introduction: With the exception of silk , all the filaments are manufactured from man-made materials . silk is a natural filament. The man-made materials are primarily made from chemicals that must be formed and solidified into fibre form. The fibre forming polymers are normally solids and therefore must be first […]