Causes of creases in fabrics

The first is that the dry grey cloth before dyeing and finishing is subjected to a relatively large pressure at the creases to form creases. Such a crease can be substantially recovered during the wet process, but if the pressure is too large, the coil will partially transfer, and it will not fully recover to the normal coil state, resulting in wrinkle deformation and remaining on the finished product.

The second type is a case where a knitted fabric in a wet state is subjected to pressure under a folded state to form a crease. This type of wrinkle deformation often does not recover under normal conditions.

The third kind is during the bleaching and dyeing process, the fabric is rapidly cooled in the folded state, and the creases in the high temperature stage are temporarily retained, similar to the case of thermoplastic deformation. This kind of wrinkle deformation is compared with rapid cooling. Serious, it will appear in large areas.

In order to reduce or avoid the occurrence of wrinkles, it is necessary not only to eliminate the conditions for generating wrinkles as much as possible, but also to control the generation of wrinkles and improve the wrinkles. The condition of wrinkles is always present in the condition of rope dyeing and finishing. Only by improving the production system and strengthening the on-site control can the occurrence of strong wrinkle deformation be avoided, while for slight wrinkles, the method of softening, drying and setting can be improved. To improve, to achieve the basic purpose of eliminating wrinkles.

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