Thursday, June 4, 2009

Development of silk denim fabrics

Natural silk has been one of the most popular fabrics because of its unique properties like, softness, suppleness and strength. Silk is preferred for its lightness with warmth, sheerness with strength and delicacy with resiliency. Silk fabrics retain their shape and resist wrinkling rather well. Silk has pliability and suppleness that aided by elasticity and resilience, give it excellent drapability. Also, silk being fine and strong, can be woven into light weight denim fabrics.

The denim is a coarse twill weave cotton fabric, also commonly known as blue jeans/jeans. Taking clue from the history that denims/ jeans were originally made of silk, wool, cotton and linen, an attempt has been made to develop different combinations of silk denim fabrics.

The mulberry silk of 20/22 denier in 6 and 12 ply organzine twisted and eri silk of 2/60s, 2/80s and 2/ 120s were used in warp. The warp yarn was dyed to indigo blue shade with acid dyes. The mulberry silk in 6 and 12 ply tram twisted and eri silk of 2/60s, 2/80s and 2/120s grey yarns were used in weft for development of 100% silk denim fabric.

The cotton yarn of 2/60s, 2/ 100 Ne and linen yarns of 40s, 50s Le were also used in weft on the silk warp. Further, mulberry raw silk of 20/22 denier that can be doubled and twisted in the required plies and eri mill spun silk yarn available in the counts of 2/40s,2/60s,2/80s, 2/100s and 2/120s Nm and 20s Ne noil yarn can also be used for development of different varieties of silk denim fabri Denim fabric is a rugged cotton twill. In denim fabric the weft passes under two or more than two warp fibers that produces the common diagonal ribbing which is identifiable on the back of the fabric.

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