CN215440814U

CN215440814U - Sheath-core structure yarn containing T8 and cellulose staple fibers and fabric containing same

Info

Publication number: CN215440814U
Application number: CN202023221647.7U
Authority: CN
Inventors: 周娟
Original assignee: Wujiang Piaoyi Textile Co ltd
Current assignee: Wujiang Piaoyi Textile Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2022-01-07
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a sheath-core structure yarn containing T8 and cellulose staple fibers and a fabric containing the same, wherein the sheath-core structure yarn comprises a sheath layer and a core layer, the sheath layer is a fiber layer, and the core layer is a T8 yarn layer; the T8 yarn layer is selected as the core layer, the fiber layer is matched to serve as the skin layer, the skin-core structure yarn with excellent shape-keeping capability and moisture absorption quick-drying performance is obtained, weather change can be responded, and the skin-core structure yarn has the shape-keeping and wrinkle resistance capabilities.

Description

Sheath-core structure yarn containing T8 and cellulose staple fibers and fabric containing same

Technical Field

The utility model belongs to the technical field of textiles, and particularly relates to a sheath-core structure yarn containing T8 and cellulose staple fibers and a fabric containing the same.

Background

At present, yarns on the market come out endlessly, are different in material structure, and are widely applied to the living fields of weaving, rope making, thread making, knitting, embroidery and the like. With the continuous improvement of the living standard of people, the requirements on the quality of knitwear are also continuously improved, and particularly, whether the knitwear has functional protection or not can be met with weather changes; whether the fabric has the advantages of protecting the shape and being easy to handle and the anti-wrinkle ability is more and more important. The existing knitwear can not meet the requirements, and the performance of the used yarn needs to be improved.

Therefore, many studies on yarns still exist. CN203212707U discloses a knitted blended yarn, which comprises viscose fibers and silver filaments, wherein the ends of the silver filaments are wrapped inside the viscose fibers, and the viscose fibers and the silver filaments are interwoven by two pre-mixing processes. The viscose fiber of the utility model is 1.33dtex multiplied by 38 mm; the silver wire is 1.48dtex multiplied by 38mm, and the viscose fiber and the silver wire are used as raw materials to prepare the yarn. The end of the silver wire is wrapped inside the viscose fiber, and the structural design not only enables the yarn to have a softer glittering effect, but also enables the yarn to be comfortable and not itchy to be worn next to the skin. CN211339817U discloses a yarn, which aims to solve the problem that the yarn has insufficient tenacity and cannot meet the use requirements of some high-strength fabrics. The key points of the technical scheme are as follows: the utility model provides a yarn, includes the yarn body, and the yarn body is including baseline and enhancement layer, and the baseline is including core yarn and wire winding, and the core yarn is kneaded by a plurality of elastic filaments and is twisted together and form, and the wire winding is the heliciform and closely twines outside the core yarn, and the enhancement layer is provided with the elastic layer outward, is provided with the arris shape hole that a plurality of arrays distribute on the elastic layer, is provided with wavy long filament on the yarn body, and long filament runs through arris shape hole, enhancement layer and baseline. The yarn disclosed by the utility model has the advantages of high toughness, high strength and good wear resistance, and can meet the use requirements of high-strength fabrics. CN203307515U A sheath-core structural yarn, which comprises at least two fiber layers with different colors. The fabric surface layer is woven by the skin-core structure yarns. And a laser system for removing the fiber layer on the fabric, which can form a pattern of a plurality of colors by laser processing.

However, the yarn obtained in the above patent does not have the moisture absorption and quick drying functions, and the shape-retaining ability is insufficient.

Therefore, the development of the yarn with shape-keeping capability and excellent moisture absorption and quick drying functions has important research value.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide a sheath-core structure yarn containing T8 and cellulose staple fibers and a fabric containing the same, wherein the sheath-core structure comprises a sheath layer and a core layer, the sheath layer is a fiber layer, and the core layer is a T8 yarn layer; by selecting the T8 yarn layer as the core layer and the fiber layer as the skin layer, the skin-core structure yarn with excellent shape-keeping capability and moisture absorption and quick drying functions is obtained, and the requirements of most customers can be met.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

in a first aspect, the present invention provides a sheath-core structure yarn comprising T8 and cellulose staple fibers, the sheath-core structure comprising a sheath layer and a core layer, the sheath layer being a fiber layer, and the core layer being a T8 yarn layer.

The cross-sectional structure schematic diagram of the skin-core structure yarn provided by the utility model is shown in fig. 1, wherein 1 represents a skin layer, and the skin layer is a fiber layer; 2 represents a core layer which is a T8 yarn layer; the yarn with the sheath-core structure is obtained by selecting the fiber layer as the sheath layer and the T8 yarn layer as the core layer, and has excellent shape-maintaining capability and excellent moisture absorption and dry keeping functions.

The yarn with the sheath-core structure provided by the utility model can be obtained by the following preparation method: (1) a blowing procedure: the opening machine is utilized to press and loosen the fibers of the cortex into small fiber blocks or fiber bundles so as to be convenient for mixing and removing impurities, and then the scutcher is utilized to filter the impurities, the defects and short fibers which are not suitable for spinning in the fiber blocks or the fiber bundles; (2) winding: fully mixing the cortical materials with different components processed in the step (1) by a cotton mixer, and rolling into fiber rolls with uniform thickness by a lap former; (3) carding cotton: and (3) carrying out a series of carding, impurity removal and mixing on the fiber roll obtained in the step (2) by using a carding machine, carrying out carding, impurity removal and fiber strip mixing on the fiber roll, penetrating the fiber roll by using a T8 yarn of a core layer, and twisting the fiber roll by using a twist 950. The preparation method can effectively solve the problems of high draft multiple, large fiber dispersion, easy torsion and vibration of a rear roller, easy loss of fibers, short equipment period, and the like of the spinning process in rayon siro spinning, and further reduces the additional unevenness.

Preferably, the thickness of the skin layer is 0.5 to 1 μm, such as 0.55 μm, 0.6 μm, 0.65 μm, 0.7 μm, 0.75 μm, 0.8 μm, 0.85 μm, 0.9 μm, or 0.95 μm, and specific values therebetween, not to limit the disclosure and for the sake of brevity, the utility model is not exhaustive of the specific values included in the range.

Preferably, the fibrous layer is a cellulosic fibrous layer.

Preferably, the cellulosic fiber layer is a preferably silk fiber layer.

Preferably, the core layer has a cross-sectional diameter of 0.3 to 0.5 μm, such as 0.32 μm, 0.34 μm, 0.36 μm, 0.38 μm, 0.4 μm, 0.42 μm, 0.44 μm, 0.46 μm or 0.48 μm, and specific values therebetween, which are not intended to be exhaustive for the sake of brevity and brevity.

Preferably, the T8 yarn layer is a three-dimensional crimp structure.

As a preferable technical scheme of the utility model, the T8 yarn layer provided by the utility model is of a three-dimensional crimp structure, so that the yarns have a better shape fixing effect.

In a second aspect, the present invention provides a fabric comprising a core-sheath structured yarn as described in the first aspect.

Compared with the prior art, the utility model has the following beneficial effects:

according to the skin-core structure yarn containing T8 and cellulose staple fibers, the T8 yarn layer is selected as the core layer, the fiber layer is matched with the core layer to serve as the skin layer, the yarn with the skin-core structure and excellent shape-keeping capability and moisture absorption and quick drying functions is obtained, and the requirements of most customers can be met.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of the skin-core structure yarn provided by the utility model, wherein the yarn comprises a 1-skin layer and a 2-core layer.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.

Example 1

A yarn with a skin-core structure, the cross-sectional structure of which is schematically shown in figure 1, comprises a skin layer 1 and a core layer 2;

the skin layer 1 was a 0.8 μm thick fiber layer (preferably, a lyocell fiber), and the core layer 2 was a T8 yarn layer (T8 yarn) having a cross-sectional diameter of 0.4 μm.

Example 2

The cross-sectional structure of the skin-core structure yarn is the same as that of the yarn in the embodiment 1;

the skin layer 1 was a 0.5 μm thick fiber layer (preferably, a lyocell fiber), and the core layer 2 was a T8 yarn layer (T8 yarn) having a cross-sectional diameter of 0.3 μm.

Example 3

the sheath layer 1 is a fiber layer (preferably, a fibril cellulose fiber) having a thickness of 1 μm, and the core layer 2 is a T8 yarn layer (T8 yarn) having a cross-sectional diameter of 0.5 μm.

Comparative example 1

A T8 yarn having a cross-sectional diameter of 0.4 μm.

Application example 1

A fabric is woven by using the sheath-core structure yarn obtained in example 1 as warp and weft at the same time.

Application example 2

A fabric was woven from the sheath-core yarns obtained in example 2 as warp and weft at the same time.

Application example 3

A fabric is woven by using the sheath-core structure yarn obtained in example 3 as warp and weft simultaneously.

Comparative application example 1

A fabric was woven from the T8 yarn obtained in comparative example 1 as warp and weft simultaneously.

And (3) performance testing:

(1) elastic recovery rate: testing according to the test standard ZB W60001-89;

(2) air permeability and quick-drying time: the test was carried out according to GB/T21655.1-2008.

The fabrics obtained by the application examples 1-3 and the comparative application example 1 were tested according to the test method, and the test results are shown in table 1:

TABLE 1

	Elastic recovery (%)	Air permeability (mm. s)^-1)	Quick drying time (min)
				Example 1	99	315	25
Example 2	98	319	26
				Example 3	100	298	28
Comparative example 1	90	280	39

As can be seen from the data in table 1: the fabric prepared by the skin-core structure yarn containing the T8 and the cellulose staple fibers has higher elastic recovery rate, higher air permeability and shorter quick-drying time, and the skin-core structure yarn obtained by designing the T8 yarn layer as a core layer and the fiber layer as a skin layer has excellent shape-keeping capability and moisture absorption and quick-drying performance.

Specifically, the elastic recovery rate of the fabric obtained in application examples 1 to 3 is 98 to 100%, and the air permeability is 298 to 319mm · s^-1The quick-drying time is 25-28 min, and the elastic recovery, moisture absorption, quick-drying and air permeability of the fabric obtained by the comparative application example 1 are much higher, which shows that the yarn with excellent performance is obtained by designing the sheath-core structure of the yarn, and the fabric obtained by the yarn has excellent performance and can cope with weather changes.

The applicant states that the present invention is illustrated by the above examples to a sheath-core structure yarn comprising T8 and cellulose staple fibers and a fabric comprising the same, but the present invention is not limited to the above examples. It will be apparent to those skilled in the art that any modification of the present invention, equivalent substitutions of selected materials and additions of auxiliary components, selection of specific modes and the like, which are within the scope and disclosure of the present invention, are contemplated by the present invention.

Claims

1. A sheath-core structural yarn comprising T8 and cellulose staple fibers, wherein the sheath-core structural yarn comprises a sheath layer and a core layer, the sheath layer is a fiber layer, and the core layer is a T8 yarn layer;

the fiber layer is a cellulose fiber layer; the cellulose fiber layer is an excellent silk fiber layer;

the T8 yarn layer is in a three-dimensional curled structure.

2. The skin-core structural yarn of claim 1, wherein the skin layer has a thickness of 0.5 to 1 μm.

3. The sheath-core structured yarn comprising T8 and cellulose staple fibers according to claim 1, wherein the core layer has a cross-sectional diameter of 0.3 to 0.5 μm.

4. A fabric comprising the yarn of sheath-core structure comprising T8 and cellulose staple fibers according to any one of claims 1 to 3.