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First, the wrinkle resistance of the fabric 1 wrinkle and wrinkle resistance - the performance of the plastic bending deformation of the fabric when it is twisted to form wrinkles is called wrinkle.
Wrinkle resistance - The ability of a fabric to resist bending deformation due to blemishes is known as crease resistance, also known as crease (wrinkle) recovery, which is closely related to the elasticity or plasticity of the fabric.
2. Reasons and main factors affecting the crease resistance of fabrics (1) Fiber traits Fiber geometry: The recovery of coarse, round, smooth fiber pleats is better.
Fiber Elasticity: The property that the fiber can recover after deformation is a fundamental factor for the wrinkle resistance of the fabric. The greater the value, the higher the recovery of the fabric wrinkles. For example, spandex and wool fabrics have good wrinkle resistance.
The frictional properties of the fiber is the second element of anti-wrinkle. In theory, there is no slip between the fibers, ie no energy consumption, there is no slip recovery problem, but it will lead to large changes in the fiber; Resistance to slip, no energy consumption, is conducive to the recovery of fiber deformation can be released.
(2) Yarn structure: the yarn has moderate twist and the fabric has good wrinkle resistance.
(3) Fabric geometry: The thickness of the fabric has a significant effect on the recovery of the crease, and the crease recovery of the thick fabric is good.
(4) Environmental conditions: When the temperature and humidity increase, the fiber material is more plastic, and the frictional resistance between the fibers becomes larger.
3. Methods for improving crease resistance follow two basic mechanisms of anti-wrinkle: high elasticity of fibers and low friction or elastic bonding between fibers.
Second, the pleat retention of the fabric 1. The general concept of fabric pleat retention pleat retention - the pleats (including embossing, creases) formed by ironing, the degree of long-term conformation after washing Retaining for pleats.
Pleated retention is essentially a manifestation of the thermoplasticity of most synthetic fabrics. Since most synthetic fibers are thermoplastic polymers, these fibers or blended fabrics based on such fibers can generally be obtained by heat setting treatment to obtain various pleats, embossments or folds required for use. mark.
2. Main factors affecting the retention of pleats The basic influencing factors: the stability of the fiber structure after setting and the stability of the interfiber structure.
(1) The thermoplastic and elastic thermoplastic fibers and fibers having good elasticity, the fabric can form good pleats and the like during heat setting. Although it is deformed by external force during use, once the external force is removed, the ability to return to the original pleats or creases and embossed shapes is also good.
The pleats of polyester and acrylic are the most durable, and the pleats of nylon fabrics are also durable. The pleats of vinylon and polypropylene are less durable.
(2) The twist of the yarn and the thickness of the fabric The twist of the fabric and the thickness of the fabric are excellent after the ironing.
(3) Temperature, pressure and moisture content of the fabric during heat setting treatment The moisture content of the fabric has a great relationship with the durability of the pleats. When the moisture content is constant, the crease effect is the largest, and when the moisture content is increased, the iron is caused. The surface temperature drops, which reduces the crease effect. When the temperature of the iron is raised, the optimum moisture content moves in a high direction.
(4) Ironing time At a suitable temperature, when the thick fabric is ironed for 10 s, generally better creases are obtained, and the creases reach equilibrium at 30 s.
(5) Resin finishing non-hot melt fabric after resin finishing, pleat durability is improved.
Wrinkle resistance - The ability of a fabric to resist bending deformation due to blemishes is known as crease resistance, also known as crease (wrinkle) recovery, which is closely related to the elasticity or plasticity of the fabric.
2. Reasons and main factors affecting the crease resistance of fabrics (1) Fiber traits Fiber geometry: The recovery of coarse, round, smooth fiber pleats is better.
Fiber Elasticity: The property that the fiber can recover after deformation is a fundamental factor for the wrinkle resistance of the fabric. The greater the value, the higher the recovery of the fabric wrinkles. For example, spandex and wool fabrics have good wrinkle resistance.
The frictional properties of the fiber is the second element of anti-wrinkle. In theory, there is no slip between the fibers, ie no energy consumption, there is no slip recovery problem, but it will lead to large changes in the fiber; Resistance to slip, no energy consumption, is conducive to the recovery of fiber deformation can be released.
(2) Yarn structure: the yarn has moderate twist and the fabric has good wrinkle resistance.
(3) Fabric geometry: The thickness of the fabric has a significant effect on the recovery of the crease, and the crease recovery of the thick fabric is good.
(4) Environmental conditions: When the temperature and humidity increase, the fiber material is more plastic, and the frictional resistance between the fibers becomes larger.
3. Methods for improving crease resistance follow two basic mechanisms of anti-wrinkle: high elasticity of fibers and low friction or elastic bonding between fibers.
Second, the pleat retention of the fabric 1. The general concept of fabric pleat retention pleat retention - the pleats (including embossing, creases) formed by ironing, the degree of long-term conformation after washing Retaining for pleats.
Pleated retention is essentially a manifestation of the thermoplasticity of most synthetic fabrics. Since most synthetic fibers are thermoplastic polymers, these fibers or blended fabrics based on such fibers can generally be obtained by heat setting treatment to obtain various pleats, embossments or folds required for use. mark.
2. Main factors affecting the retention of pleats The basic influencing factors: the stability of the fiber structure after setting and the stability of the interfiber structure.
(1) The thermoplastic and elastic thermoplastic fibers and fibers having good elasticity, the fabric can form good pleats and the like during heat setting. Although it is deformed by external force during use, once the external force is removed, the ability to return to the original pleats or creases and embossed shapes is also good.
The pleats of polyester and acrylic are the most durable, and the pleats of nylon fabrics are also durable. The pleats of vinylon and polypropylene are less durable.
(2) The twist of the yarn and the thickness of the fabric The twist of the fabric and the thickness of the fabric are excellent after the ironing.
(3) Temperature, pressure and moisture content of the fabric during heat setting treatment The moisture content of the fabric has a great relationship with the durability of the pleats. When the moisture content is constant, the crease effect is the largest, and when the moisture content is increased, the iron is caused. The surface temperature drops, which reduces the crease effect. When the temperature of the iron is raised, the optimum moisture content moves in a high direction.
(4) Ironing time At a suitable temperature, when the thick fabric is ironed for 10 s, generally better creases are obtained, and the creases reach equilibrium at 30 s.
(5) Resin finishing non-hot melt fabric after resin finishing, pleat durability is improved.
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