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Yarn comprising a core and a sheath of fibers

A fiber and staple fiber technology, applied in the field of leisure, sports and comfortable clothing, can solve the problems of unsatisfactory appearance, cotton is not environmentally friendly, has fluctuations, etc., and achieve the effect of bright colors and excellent light reflectivity

Pending Publication Date: 2020-12-22
SANKO TEKSTIL ISLETMELERI SANAYI & TICARET A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A related problem is that the large number of fibers used for the sheath requires the use of a certain number of long fibers, which is expensive
Furthermore, the use of highly twisted staple fibers may cause the yarn to become "crimped", i.e. have waves; this in turn can give an unsatisfactory appearance to the fabric obtained from the yarn
[0007] Another problem with the yarns of the known technology is that the use of cotton is not environmentally friendly because a lot of water is needed in growing the cotton and also a lot of water and energy is needed to dye the cotton

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Yarn comprising a core and a sheath of fibers
  • Yarn comprising a core and a sheath of fibers
  • Yarn comprising a core and a sheath of fibers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0127] The yarns of the invention were used to prepare two fabrics X1 and X2, and the yarns of the prior art were used to prepare the comparative yarn Xcomp. The compositions of the sample weft yarns are listed in Table 1 under Yarn Composition. The composition of the warp is the same as that of the weft, but with no elastane present and an increased amount of cotton by the amount of elastane that was previously present. The PES cores in yarns X1 and X2 were 150 denier bundles of 36 filaments, each of which was a 4.5 denier filament. The warp and weft yarns are used to produce a finished woven fabric with the following characteristics:

[0128] Weft density: 20.35 threads / cm; Warp density: 45 threads / cm

[0129] Fabric tests were performed to evaluate the tear strength and tensile strength of the fabrics. The test results are summarized in the table below; from the results it is evident that the fabric properties were improved by 20% or more.

[0130] Table 1

[0131] ...

Embodiment 2

[0133] In Example 2, the properties of the three fabric samples X1, X2 and Xcomp prepared in Example 1 during the washing step were tested.

[0134] The results are summarized in Table 2 below.

[0135] It will be appreciated that relative to Xcomp, the drying time of sample X1 is reduced by about 7%, and the drying time of sample X2 is reduced by more than 10%; this surprising reduction in the drying time of the fabric is reflected in the reduced energy used for the drying step, and Significant savings in drying costs.

[0136] Table 2

[0137]

[0138] The yarns of the invention are also particularly suitable for use in sportswear products. In fact, another consequence of reducing the amount of cotton in the yarn is that fabrics comprising the yarns of the present invention dry faster on the body than conventional cotton products. It is believed that one of the possible reasons for this technical effect is that the fabric of the present invention absorbs less perspirat...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

Disclosed is a yarn (1) having a core (2) and a sheath (3), preferably comprising staple fibers, said core comprising at least one polymeric core fiber (21), preferably a plurality of polymeric core fibers (21), wherein the amount of the core fibers (21) is at least 35% by weight of the total weight of the yarn (1) and said core (2) and said sheath (3) are spun together.

Description

technical field [0001] The present invention relates to composite yarns comprising a fiber core and a fiber sheath covering the core fibers. More specifically, the present invention relates to yarns having a fibrous core comprising fibers of a polymeric material, the fibers of the core may comprise elastic filaments and may consist of a polymeric material, and a fibrous sheath. The yarns of the invention find particular application in the production of casual, sports and comfort apparel, including denim apparel. Background technique [0002] Yarns having a core comprising polymeric filaments are known in the art. EP 3208371 discloses yarns having a core comprising at least one elastic property filament, most preferably spandex fibers and / or LASTOL filaments, and non-elastic control filaments, said non-elastic control filament Formed from textured polymers or copolymers of polyamides, polyesters, polyolefins, and mixtures thereof. According to EP'371, the deformation contr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D02G3/32D02G3/36
CPCD02G3/32D02G3/36
Inventor F·科努克格鲁E·B·欧兹登S·阿吉卡拉E·埃尔科斯M·泽瑞克E·屯瑟S·德米布肯E·埃弗兰
Owner SANKO TEKSTIL ISLETMELERI SANAYI & TICARET A S
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