The pleats (including rolling) formed by ironing the fabric lines, creases), and the degree of shape retention after washingCalled pleat retention.Pleat retention is essentially a manifestation of ...
The pleats (including rolling) formed by ironing the fabric lines, creases), and the degree of shape retention after washingCalled pleat retention.
Pleat retention is essentially a manifestation of the thermoplasticity of most synthetic fiber fabrics. Since most synthetic fibers are thermoplastic polymers Therefore, these fibers or blended fabrics based on these fibers can generally be heat-set to obtain various pleats, embossing or creases required for use.
The degree to which the pleats (including embossing and creases) formed by ironing the fabric can retain its shape for a long time after washing is called pleat retention. The pleat retention is essentially the thermoplastic property of most synthetic fiber fabrics Since most synthetic fibers are thermoplastic polymers, these fibers or blended fabrics based on these fibers can generally be heat-set to obtain various pleats required for use.Pleats, embossing or creases.
Affects pleat retention The main factors
Basic influencing factors:The stability of the fiber structure and the stability of the inter-fiber structure after shaping.
1 Thermoplasticity and elasticity of fiber
Fibers with good thermoplasticity and elasticity, the fabric can form during heat setting Good pleat and other deformation. Although new deformation occurs due to external force during use, it has good ability to return to the original shape of pleats, creases and embossing once the external force is removed.
Polyester and acrylic have good pleat durability, nylon fabric has good pleat durability, and vinylon and polypropylene have poor pleat durability.
2 The twist of the yarn and the thickness of the fabric
Fabrics with greater twist and thickness will have better pleat durability after ironing.
3 Temperature and pressure during heat setting treatment And the moisture content of the fabric
The moisture content of fabric has a great relationship with the durability of pleats. At a certain moisture content, the crease effect is large, but as the moisture content increases, the surface temperature of the iron decreases, which reduces the crease effect. When the iron temperature is increased, the appropriate moisture content moves in the direction of higher.
4 Ironing time
At the appropriate temperature, when thick fabrics are ironed for 10 seconds, it can generally be obtainedThe crease is better and the crease reaches balance in 30s.
5 resin finishing
The pleat durability of non-thermofusible fabrics is improved after resin finishing.
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