Question 20 (Textile Engineering & Fibre Science)
Crease resist finishing of cotton fabric does not lead to
|(A)||Reduction in tensile strength|
|(B)||Increase in dimensional stability|
|(C)||Increase in moisture regain|
|(D)||Increase in bending length|
Answer / Solution
Frequently Asked Questions | FAQs
What is a crease resistant finish? | What is the way to make the cotton crease resistant?
Crease resistance finish is a type of textile finishing treatment that imparts resistance to creasing or wrinkling in fabrics, thereby helping to maintain their smooth appearance and reduce the need for ironing or pressing. Crease resistance finishes are applied to fabrics during the finishing process, which follows the dyeing or printing process.
Crease resistance finishes work by coating the fabric fibers with a thin layer of a crease-resistant agent, which forms a cross-linking network when cured or dried. This cross-linking network helps to hold the fabric fibers in place, preventing them from shifting or rearranging under pressure, and thus reducing the formation of creases or wrinkles. The crease resistance finish can be applied to various types of fabrics, including natural fibers like cotton, as well as synthetic fibers like polyester.
There are several different types of crease resistance finishes available, including:
Resin-based finishes: These finishes are typically based on synthetic resins, such as urea formaldehyde or melamine formaldehyde, which are applied to the fabric and then cured at high temperatures to form a durable cross-linking network. These finishes provide excellent crease resistance properties and are commonly used in wrinkle-free or permanent press fabrics.
Silicone-based finishes: These finishes are based on silicone polymers, which are known for their softness, smoothness, and flexibility. Silicone-based crease resistance finishes provide good crease resistance properties while also imparting a soft hand feel to the fabric.
Cross-linking agents: These finishes involve the use of cross-linking agents, such as citric acid, which react with the fabric fibers to form cross-links, thus improving the fabric’s crease resistance properties. Cross-linking agents are commonly used in combination with other finishing agents to achieve desired crease resistance effects.
Crease resistance finishes are widely used in various types of fabrics, including apparel, home textiles, and industrial textiles, where the maintenance of a smooth, wrinkle-free appearance is desired. They are particularly popular in garments like dress shirts, trousers, and other formal wear, where a crisp and neat appearance is important. Crease resistance finishes can also improve the durability and performance of fabrics in various applications, such as upholstery, bed linens, and curtains, by reducing the need for frequent ironing or pressing and helping to maintain the fabric’s original appearance.