Anti-wrinkle finishing is sometimes also called anti-wrinkle finishing. Since most polymer materials, especially synthetic resins, are used as anti-wrinkle finishing agents, it is also called...
Anti-wrinkle finishing is sometimes also called anti-wrinkle finishing. Since most polymer materials, especially synthetic resins, are used as anti-wrinkle finishing agents, it is also called resin finishing. Strictly speaking, the purpose and function of anti-wrinkle finishing is to make textiles less likely to wrinkle or to easily return to their original shape, and to maintain a flat appearance during use. In addition to resin finishing, other chemicals can also be used for cross-linking. Resin finishing is done with polymer materials. By adding other components, in addition to anti-wrinkle, its purpose and function can also be anti-shrink, waterproof, water-repellent, water-absorbent, soft, antibacterial, antistatic, flame retardant, It can keep warm, strengthen, wash easily and change the feel.
It is not difficult to understand that the essence of anti-wrinkle finishing is to improve the stability of the textile form. Therefore, while improving the wrinkle resistance, it often also produces anti-shrinkage and non-iron effects. In some materials, anti-shrinkage and anti-wrinkle (property), durable pressing (property) or non-iron (property) finishing are often used together. In fact, anti-wrinkle finishing is different from shrink-proof, no-iron and durable press finishing in terms of purpose, method and measurement index.
In order to unify the meaning of terms, my country’s textile standards stipulate that no-iron textiles (NoIrontextiles) include shrink2proffandwrinkle2resistant (shrink2proffandwrinkle2resistant) and durable presstextiles (DurablePresstextiles).
Since people’s requirements for the morphological stability of textiles generally include anti-shrinkage and anti-wrinkle properties, anti-shrinkage and anti-wrinkle properties are used as a term in my country’s textile standards.
Non-iron textiles refer to textiles that must meet four requirements: dimensional stability, appearance smoothness, pleat retention and seam appearance after washing and drying. For products that are required to maintain pleats after washing and drying (such as skirts, trousers, etc.), non-iron means durable pressing; while for products without pleats, creases or that are not required to maintain pleats after washing and drying, such as shirts and For casual wear, etc., the meaning of no-iron only means shrinkage and wrinkle resistance, and only includes three requirements: dimensional stability, appearance smoothness and seam appearance after washing and drying. Therefore, fabrics only have anti-shrink and anti-wrinkle products, but there are no durable press products; styles and products have both anti-shrink and anti-wrinkle products and durable press products. Anti-shrinkage and anti-wrinkle properties refer to the ability of textiles to maintain satisfactory dimensional stability, flatness and seam appearance after repeated washing during use. Anti-shrink and anti-wrinkle textiles refer to textiles that still have anti-shrink and anti-wrinkle properties after five cycles of washing and drying.
Durable pressability refers to the performance of clothing and textile products that can be restored to a state suitable for wearing or use after multiple washings during use without ironing or only light ironing. In addition to the requirements for dimensional stability, flatness and seam appearance, durable press properties also require the retention of pleat appearance. Durable press textiles refer to textiles that still have anti-shrinkage and anti-wrinkle properties and maintain a pleated appearance after five cycles of washing and drying. The wrinkle resistance of fabrics can be characterized by the wrinkle recovery angle (WRA) of the fabric. The international market for washable and wearable cotton fabrics generally requires a wrinkle recovery angle (WRA) ≥ 250°, a DP grade of 3 to 4, and a tensile strength loss of ≤ 40%. The wrinkle recovery angle (WRA) of durable pressed textiles is generally 250°~300°, the DP grade is ≥3.5, and the tensile strength loss is ≤40%.
In order to adapt to the world development situation, in 2002, our country formulated our national standard for non-iron textiles GB/T18863-2002 with reference to international standards. In addition to the requirements for physical properties, color difference, yellowing and hygienic performance, this standard also requires anti-shrinkage and anti-wrinkle performance: after 5 cycles of washing and drying, the appearance smoothness is ≥3.5 (GB/T13769292, consistent with ISO7768-1985 Equivalent); seam appearance ≥ level 3 (GB/T13771); size change rate -3% ~ 3% (GB/T8628, GB/T8629-2001, GB/T863022002). If there are other standards for clothing, the clothing standards shall be followed. ). However, mulberry silk and its blended interwoven anti-shrinkage, anti-wrinkle and easy-iron textiles have no requirements on the appearance of seams (see GB/T15551).
According to my country’s textile standard GB/T18863-2002, durable pressed textiles also require pleat appearance standards > level 3 after 5 cycles of washing and drying. It should be noted that after 5 cycles of washing and drying, the method for measuring anti-shrinkage and anti-wrinkle properties and durable press properties is consistent with international requirements.
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