CN215328603U - Weft-knitted double-sided fabric - Google Patents

Abstract

A weft-knitted double-sided fabric comprises a fabric body, wherein the fabric body comprises an elastic fabric bottom layer and an inelastic fabric surface layer, the elastic fabric bottom layer is formed by knitting elastic yarns Y2 at the fabric bottom in a single-side loop forming mode to form a single-side loop forming structure layer, the inelastic fabric surface layer is formed by knitting inelastic yarns Y1 in weft-knitted rib or double-rib textures, the inelastic yarns Y1 are long yarns, the linear density is 10D-150D, and the DPF is less than 2. According to the utility model, the cloth bottom single face is looped, so that the cloth bottom single face has the characteristics of high recovery, high fluffiness and high softness, and compared with cloth noodles added with elastic yarns, the cloth cover without the elastic yarns has the advantages of good dryness and color fastness, the consumption of the elastic yarns can be reduced, and the yellowing caused by the elastic yarns can be reduced.

Description

Weft-knitted double-sided fabric

Technical Field

The utility model relates to the field of fabrics, in particular to a weft-knitted double-sided fabric with high recovery, high fluffiness and high softness.

Background

The sports fabric is more and more concerned by people, the wearability is more and more studied, and the sports fabric has higher requirements on resilience and comfort.

Patent CN211284772U discloses a high travelling comfort sports underwear surface fabric, the raw materials that it adopted are nylon 66 and lycra fibre, by 36G weft knitting double-sided board looping triangle, tucking triangle, the combination of float thread triangle is weavingd and is formed, though it has improved the travelling comfort of surface fabric to a certain extent through the collocation of raw materials and organizational structure, nevertheless it weavingd the factor of output low and its organizational structure, make the resilience of surface fabric poor, the singleness of other raw materials, to the different amount of exercise of different occasions, people's selection has been restricted.

Patent CN103590176B discloses a high elastic knitted fabric and a preparation method thereof, which is knitted by a circular knitting machine of 280D or 260D elastic yarn, 32S or 30S all cotton yarn and 60S all cotton yarn, and the elastic force of the knitted fabric is improved to a certain extent by adopting cotton yarn and high denier elastic yarn. The high-denier elastic yarn has certain effect on body shaping, but is too strong in binding feeling and inconvenient for body stretching; the elastic yarn with high denier is easy to cause various cloth cover problems during weaving, such as transverse lifting or horizontal pulling, the elastic yarn is not suitable for coloring during dyeing, and white exposure is easy to occur after stretching and expanding when people wear the fabric; in addition, the cotton yarn with low count makes the fabric stiff, not soft enough, poor filling power and poor comfort experience, and the main material only contains the cotton yarn, so that the selection of people is further limited.

Along with the continuous improvement of living standard, the health consciousness of people is gradually improved, more and more people are used for exercise and fitness, the physique can be enhanced, the pressure can be properly released, various exercise fabrics are also available in the market along with the requirements of people, most of the fabrics are too strong in constraint feeling and inconvenient for the extension of the body, and weak in constraint feeling, the resilience is poor, the elbow or knee position after being worn is easy to arch, and the wearing feeling and the comfort degree are greatly reduced; most of the sport fabrics in the market have high spandex content, so that the cloth cover has poor yarn evenness and poor dyeing uniformity, is easy to yellow and has beautiful influence; therefore, aiming at the requirement of the current market, the utility model provides the weft-knitted double-sided fabric which has high recovery, high fluffiness, high softness and good cloth cover appearance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a weft-knitted double-sided fabric with the characteristics of high recovery, high fluffiness and high softness.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a weft-knitted double-sided fabric comprises a fabric body, wherein the fabric body comprises an elastic fabric bottom layer and an inelastic fabric surface layer, the elastic fabric bottom layer is formed by knitting elastic yarns Y2 at the fabric bottom in a single-face loop forming mode to form a single-face loop forming structure layer, and the inelastic fabric surface layer is formed by knitting inelastic yarns Y1 in weft-knitted rib or double-rib textures.

The inelastic yarn Y1 is a filament yarn, the linear density is 10D-150D, and the DPF is less than 2.

The inelastic yarn Y1 is staple fiber with a yarn count of more than 20S, preferably 40S-80S.

The elastic yarn Y2 is spandex with a linear density greater than 10D, preferably 20D-105D.

The fabric body is woven by a weft knitting double-faced machine, and the number of needles is 20-50G.

And fluff is arranged on the elastic cloth bottom layer and/or the inelastic cloth surface layer.

According to the utility model, the cloth bottom single face is looped, so that the cloth bottom single face has the characteristics of high recovery, high fluffiness and high softness, and compared with cloth noodles added with elastic yarns, the cloth cover without the elastic yarns has the advantages of good dryness and color fastness, the consumption of the elastic yarns can be reduced, and the yellowing caused by the elastic yarns can be reduced.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in the attached drawing 1, the utility model discloses a weft-knitted double-sided fabric which comprises a fabric body, wherein the fabric body comprises an elastic fabric bottom layer and an inelastic fabric surface layer, the elastic fabric bottom layer is formed by knitting elastic yarns Y2 on the fabric bottom in a single-sided looping manner, and is a single-sided looping structure layer, and the inelastic fabric surface layer is formed by knitting inelastic yarns Y1 in a weft-knitted rib or double-rib structure. The fabric formed by the method has the characteristics of high recovery, high fluffiness and high softness, and compared with the fabric with the elastic yarn, the fabric without the elastic yarn has the advantages of good dryness and color fastness, and can reduce the using amount of the elastic yarn and reduce the yellowing caused by the elastic yarn. In addition, due to the fact that the cloth cover of the non-added elastic yarn is inconsistent with the cloth cover of the added elastic yarn in physical property, the cloth cover of the non-added elastic yarn is high in dyeing uniformity, yellowing caused by the elastic yarn is reduced, and yarn evenness performance of the non-added elastic yarn is improved.

The inelastic yarn Y1 is a filament yarn, the linear density is 10D-150D, and the DPF is less than 2. Or the inelastic yarn Y1 is staple fiber with a yarn count of more than 20S, preferably 40S to 80S.

The elastic yarn Y2 is spandex with a linear density greater than 10D, preferably 20D-105D.

The fabric body is woven by a weft knitting double-faced machine, and the number of needles is 20-50G.

The elastic cloth bottom layer and/or the inelastic cloth cover layer are/is provided with fluff, so that the hand feeling of the fabric is improved.

1. Selection of yarns: at least two yarns, Y1 is a non-elastic yarn, and is a filament or staple fiber, the titer of the filament is 10D-150D, preferably DPF is less than 2, and the count of the staple fiber is more than 20S, preferably 40S-80S; y2 is an elastic yarn, preferably spandex, having a denier of greater than 10D, preferably from 20D to 105D.

2. Equipment: the number of needles is preferably between 20G and 50G by using a weft knitting double-sided machine.

3. The weaving method comprises the following steps: the non-elastic yarn Y1 adopts weft knitting rib or interlock weave, and the elastic yarn Y2 only forms a loop on one side of the cloth bottom (dial).

4. Recovery rate: under the load of 7.5lbs, the warp recovery rate of the fabric sample reaches more than 95%, and the weft recovery rate reaches more than 90%.

5. Filling power: the greater the Compression recovery rate CRR (rate of change in thickness during Compression), the better the loft, as measured by Compression using a textile feel tester (FTT).

6. Softness: the smaller the values of warp deflection force average stiffness BAR (gf mm/rad) and weft deflection force average stiffness BARE (gf mm/rad), the better the softness, when tested by the textile feel tester (FTT) for Bending.

7. Color fastness: testing the fastness to washing, perspiration, friction, color fading and phenol yellowing of the cloth surface of the non-added elastic yarn, wherein the fastness to washing CC is more than 4 grade based on the JIS L0844 method; based on the JIS L0848 method, the color fastness to perspiration (acid) CC is more than 4 grade, and the color fastness to perspiration (alkali) CC is more than 4 grade; dry friction/wet friction is greater than 4 grades based on JIS L0849 type II method; based on the big pill method, the color is greater than 3 grades; phenol yellowing CS is greater than grade 4 based on ISO/105X18 method. The cloth cover of the elastic yarn without the additive has various fastnesses better than that of the elastic yarn with the additive.

8. Strip drying: 5 textile professionals are selected, and the cloth surface of the non-added elastic yarn cloth noodles is better than the cloth surface of the added elastic yarn cloth.

Case one:

1. selection of yarns:

y1 selects filament PES 50D/72F FD DTY, Y2 elastic yarn selects 60D spandex.

2. The used models are:

weft knitting double side machine, 32G, 34 inches.

3. Weaving process

The filament adopts a weft knitting interlock weave method, and the spandex is looped on a dial only;

Y1：26CM/100G，Y2：6CM/100G

4. dyeing and finishing process

Dry cleaning (or water washing) → front setting → brush → reservation → overflow dyeing → dehydration → rear finishing

5. Parameters of finished product

1) Specification of a finished product: 135CM 265GSM

2) Physical testing parameters (method-reply-LTD 03-Effective Load-7.5lbf)

Recovery Length:96％；

Recovery Width:95％；

Filling power: the CRR value is 0.5 on the skin surface, and the administration surface is 0.46;

softness: the BARa (gf mm/rad) value is 113.76 for skin application surface, and 97.69 for administration surface; the BARe (gf mm/rad) value is 115.17 for skin application face, and 121.52 for administration face;

3) color fastness: testing the spandex-free surface;

washing fastness (method-JIS L0844): CC is grade 4.5;

perspiration color fastness (method-JIS L0848): CC (acid/alkali) is grade 4.5;

rubbing fastness (method-JIS L0849 type II): dry friction CS is class 4.5, wet friction CS is class 4;

color qi (method-bolus method): 3, grade;

phenol yellowing (method-ISO/105X 18): CS is class 4.

Case two:

1. selection of yarns:

the Y1 is filament PA 640D/51F SD DTY, and the Y2 elastic yarn is 40D spandex.

2. The used models are:

weft knitting double-sided machine, 40G, 34 inches.

3. Weaving process

The filament adopts a weft knitting interlock weave method, and the spandex is looped on a dial only;

Y1：25CM/100G，Y2：6CM/100G

4. dyeing and finishing process

Dry cleaning (or water washing) → front sizing → sanding → reserving → overflow dyeing → dewatering → finishing

5. Parameters of finished product

1) Specification of a finished product: 160CM 220GSM

2) Physical testing parameters (method-reply-LTD 03-Effective Load-7.5lbf)

Recovery Length:97％

Recovery Width:98％

Filling power: the CRR value is 0.47 on the skin surface, and the administration surface is 0.46;

softness: the BARa (gf mm/rad) value is 157.01 for skin application face, and 143.21 for administration face; the BARe (gf mm/rad) value is 134.93 for skin application face, and 159.75 for administration face;

3) color fastness: testing the spandex-free surface;

washing fastness (method-JIS L0844): CC is grade 4.5;

perspiration color fastness (method-JIS L0848): CC (acid/alkali) is grade 4.5;

rubbing fastness (method-JIS L0849 type II): dry friction CS is class 4.5, wet friction CS is class 4;

color qi (method-bolus method): 3, grade;

phenol yellowing (method-ISO/105X 18): CS is class 4.

Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements, and the like can be made in the technical solutions of the foregoing embodiments or in some of the technical features of the foregoing embodiments, but those modifications, equivalents, improvements, and the like are all within the spirit and principle of the present invention.

Claims (6)

1. The weft-knitted double-sided fabric comprises a fabric body and is characterized in that the fabric body comprises an elastic fabric bottom layer and an inelastic fabric surface layer, the elastic fabric bottom layer is formed by knitting elastic yarns Y2 at the fabric bottom in a single-side loop forming mode to form a single-side loop forming structure layer, and the inelastic fabric surface layer is formed by knitting inelastic yarns Y1 in weft-knitted rib or double-rib textures.

2. The weft-knitted double-sided fabric according to claim 1, wherein the inelastic yarns Y1 are filaments having a linear density of 10D to 150D and a DPF of less than 2.

3. Weft-knitted double sided fabric according to claim 1, characterised in that the inelastic yarns Y1 are staple fibres with a count of more than 20S, alternatively 40S-80S.

4. Weft-knitted double sided fabric according to claim 1, characterised in that the elastic yarn Y2 is spandex with a linear density of more than 10D, selected from 20D to 105D.

5. The weft-knitted double-sided fabric according to claim 1, wherein the fabric body is knitted by a weft-knitted double-sided machine, and the number of needles is 20G to 50G.

6. A weft-knitted double-sided fabric according to claim 1, characterised in that the elastic bottom layer and/or the inelastic cover layer is provided with pile.

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