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BACKGROUND Formaldehyde modified resins were introduced to the apparel market in the 1950’s. These finishes imparted a no-wrinkle character to cotton fabric and promised relief from the tedious job of ironing apparel. Preliminary marketing studies on the concept was an immediate and huge success. Optimism for this new market potential turned out to be premature. […]
Physical properties of warp yarn are improved by incorporating oligomer resin into the yarn interior at the size box. These improvements yield benefits at each step of the fabric formation process from size box to the woven greige fabric. Warp sizing technology has been in a period of stagnation following the introduction of synthetic polymers into size formulations nearly 60 years ago. As noted in the following “Warp Sizing: A Brief History”, abrasion-resistant surface barriers may have reached optimum performance in sizing.
Warp sizing is the process of giving a protective coating on the warp yarn to minimize yarn breakages during weaving operation.
The weft stop motion controls the correct insertion of the weft into the shed. Warp and weft stop motions will stop the loom most immediately when a warp end or a pick breaks off. It avoids the faults disturbing the fabric surface. It helps not degrading the fabric quality. The feeders are supplied together with various outfits and adjustment possibilities, which vary according to the yarn type and count and to the insertion system used.