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What is super cotton-like fabric? How to carry out dyeing and finishing of super cotton-like products?

What is super cotton-like fabric? How to carry out dyeing and finishing of super cotton-like products?

  • Categories:Trade News
  • Author:
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  • Time of issue:2019-07-05
  • Views:5

(Summary description)Polyester fabrics are likely to produce pills, and cotton made clothes are likely to deform. What kind of fiber has the good characteristics of both cotton polyester to make up their deficiencies?

What is super cotton-like fabric? How to carry out dyeing and finishing of super cotton-like products?

(Summary description)Polyester fabrics are likely to produce pills, and cotton made clothes are likely to deform. What kind of fiber has the good characteristics of both cotton polyester to make up their deficiencies?

  • Categories:Trade News
  • Author:
  • Origin:
  • Time of issue:2019-07-05
  • Views:5
Information

[Overview] "Polyester fabrics are likely to produce pills, and cotton made clothes are likely to deform. What kind of fiber has the good characteristics of both cotton polyester to make up their deficiencies?"

"Polyester fabrics are likely to produce pills, and cotton made clothes are likely to deform. What kind of fiber has the good characteristics of both cotton polyester to make up their deficiencies?"

"That is super cotton-like fabric."

 

What is super cotton-like fabric?

Super cotton-like fabric contains more than 85% polyester. It is a differential functional polyester fabric, including long-yarn cotton and short-fiber cotton-like fabric. It is marvelous that super cotton-like products look like cotton (vision), feel like cotton (touch), are used like cotton (affinity) and easier to be used than cotton (easy to wash). They have excellent characteristics of cotton, but are superior to cotton. They integrate many technologies and processes, such as spinning, weaving, dyeing and finishing.

 

What is super cotton-like fabric?

Simulate the characteristics of cotton fiber

1. Simulate hairiness and puff

A long yarn of polyester is of a high bundling property and a smooth surface. To form cotton-like grains on the surface, the structure of fiber must be changed. At present, there are several methods for improving the hairiness and puff degree of polyester: With air, thin filaments are blown away and tangle up to form irregular structures, and different raw materials are combined to form 3D curled and cumbersome shapes.

It is found by observing the roughness feeling that the fineness of cotton yarns after deformation is uneven, and it is different from the hair feeling. The degree of fineness of cotton-like yarns formed by combining different raw materials is even, there is an obvious hair feeling, and usually the late processes cannot be impacted. Production.

 

2. Simulate the hygroscopicity of cotton fiber

At present, methods for improving the hygroscopicity of polyester mainly include: The specific surface area of fiber is increased with fine Denier or superfine Denier to improve the wicking rate of capillary; the cross section of fiber is changed to increase the hygroscopicity and accelerate the moisture absorption; hydrophilic modification is conducted to add hydrophilic groups into fiber to enhance the moisture absorption ability of fiber.

 

3. Simulate the glossiness of cotton fiber

To improve the glossiness of polyester and achieve the effect of cotton fiber, diffuse reflection must be formed on the fiber surface to reduce the light reflection ability. Glossiness can be weakened by changing the fiber surface to reduce, which can reduce light reflection on the surface. Or partial rays of light are absorbed to form flexible glossiness. Using fine Denier or superfine Denier can improve the diffuse reflection ability and soften rays of light.

 

       2

Make up defects of cotton fiber

Characteristics of polyester make up deficiencies of cotton fabrics. For example, polyester is of good weather resistance, such as light resistance, heat resistance and mildew resistance, which can make up the deficiency of durability of cotton fabrics. Polyester is of a large initial modulus, so it is stiff and is hard to deform and is of good shape retention. Cotton fabric is not easy to wrinkle, is easy to deform and is not wear-resisting.

Polyester fabrics can be developed according to the demands of users, the application fields and some specific function. And some of them even have better performance than cotton fabrics. Fibers are modified with different hydrophilic agents and different cross section shapes. Super cotton-like fibers are of different degrees of hygroscopicity, meeting different sport needs.

 

Recycled beverage bottles and abandoned coffee grounds can be reused in production of super cotton-like fibers, which can bring bran-new environmental protection features.

 

How about cotton-like products?

Weaving process

Organizational structure

The cotton shape effect of super cotton-like fiber is firstly dependent on the texture of the fabric. As the fiber is thinner, the filaments will be thinner, the shape of the special-shaped section will be better and the hygroscopicity will be stronger. However, to enhance the hygroscopicity of fabrics, their structure should be designed based on their application field. Sometimes, plain woven fabrics are better, but sometimes twills are better.

 

2. Setting of warps and wefts

 

The shrinkage characteristic of fibers is taken into consideration during treatment of super cotton-like fibers. Warps and wefts should be designed properly so that the fibers can sufficiently reflect the thickness and the puff feeling of fabrics after shrinkage by heating.

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