Warp-knitted microfiber suede fabric and processing method thereof

Abstract

The present application belongs to the technical field of warp-knitted fabric, and particularly relates to a warp-knitted microfiber suede fabric and a processing method thereof, which comprises a fabric body, the fabric body comprises a suede jacquard layer formed by using knitted yarns for knitting, the knitted yarns comprise island composite filaments, the island composite filaments comprise island filaments and high-shrinkage filaments which are networked and compounded, the island filaments comprise island-phase fibers and sea-phase fibers which surround the island-phase fibers and are soluble; the island composite filaments are used to knit the suede jacquard layer on the fabric base structure, so that the softness and comfort of the fabric are significantly improved. It is worth mentioning that the F number of the island composite filaments is relatively low before weaving, which avoids the yarn damage problem caused by the excessively high F number of the yarns, improves the production efficiency of the warp-knitting equipment, reduces the pollution risk in the production process, and exhibits higher environmental protection performance.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of warp-knitted fabrics, and particularly relates to a warp-knitted microfiber suede fabric and a processing method thereof. BACKGROUND

[0002] With the continuous evolution of textile fabric products, green environmental protection, efficient production and comfort have become important considerations for the development of the industry. Currently, fabric comfort is mainly achieved in the following ways:

[0003] 1. Using natural fibers such as cotton for weaving, but the strength of natural fibers is low and not suitable for warp-knitting equipment.

[0004] 2. Adding additives such as softeners through post-finishing to make the fabric soft. However, this method is only surface attachment, and the effect is weakened after washing.

[0005] 3. Using fabric post-processing napping technology to achieve a plush effect by damaging the surface yarn fibers, thereby improving the comfort of the fabric. However, this method is high in cost, complex in process, and seriously polluting.

[0006] The present application aims to solve the above problems and achieve green, efficient and comfortable production of textile fabrics. SUMMARY

[0007] The present application discloses a warp-knitted microfiber suede fabric and a processing method thereof, which mainly solves the problems of insufficient comfort, non-environmentally friendly processing and low efficiency of current warp-knitted fabrics.

[0008] To achieve the above-mentioned purpose, the present application provides a warp-knitted microfiber suede fabric, which comprises a fabric body, wherein the fabric body comprises a suede jacquard layer formed by weaving knitting yarns, the knitting yarns comprise island composite filaments, the island composite filaments comprise island filaments and high-shrinkage filaments which are web-combined, and the island filaments comprise island-phase fibers and sea-phase fibers which surround the island-phase fibers and are soluble.

[0009] Preferably, the island-phase fibers are polyester fibers or cationic fibers.

[0010] Preferably, the sea-phase fibers are soluble polyester fibers or cationic fibers.

[0011] Preferably, the F number of the island composite filaments is 20-50.

[0012] Preferably, the D of the island composite filaments is 75-300.

[0013] The application also provides a processing method of the warp-knitted microfiber suede fabric, the warp-knitted microfiber suede fabric comprises a surface layer, a jacquard layer, an intermediate layer and a bottom layer, the jacquard layer is knitted by island composite yarn, the island composite yarn comprises island yarn and high-shrinkage yarn which are combined in a network, and the processing steps of the warp-knitted microfiber suede fabric are as follows:

[0014] Knitting of the surface layer: at least one guide bar is adopted, GB2: the yarn is threaded on the machine table in a full-threading manner, and a changeable plain weave 2-3 / 1-1 / 1-0 / 1-1 / / is knitted;

[0015] Knitting of the jacquard layer: two jacquard knitting needles are adopted, JK3: the island composite yarn is fully-wound, and the yarn is threaded in a 1-thread-1-empty manner, and a plain weave 0-1 / 1-1 / 2-1 / 1-1 / / is knitted;

[0016] JK4: the island composite yarn is fully-wound, and the yarn is threaded in a 1-thread-1-empty manner, and a plain weave 0-1 / 1-1 / 2-1 / 1-1 / / is knitted;

[0017] Knitting of the intermediate layer: GB5: the yarn is threaded on the machine table in a full-threading manner, and a changeable plain weave 1-0 / 2-1 / / 2-3 / 1-2 / / is knitted;

[0018] Knitting of the bottom layer: GB6: the yarn is threaded on the machine table in a full-threading manner, and a chain stitch 1-1 / 1-0 / 0-0 / 0-1 / / is knitted;

[0019] GB7: the yarn is threaded on the machine table in a full-threading manner, and a changeable plain weave 2-2 / 2-3 / 2-2 / 1-0 / / is knitted.

[0020] Preferably, the surface layer is knitted with a mesh structure.

[0021] A processing method of a warp-knitted microfiber suede fabric, the warp-knitted microfiber suede fabric comprises a surface layer, a jacquard layer, a fixing layer and a bottom layer, the jacquard layer is knitted by island composite yarn, the island composite yarn comprises island yarn and high-shrinkage yarn which are combined in a network, and the processing steps of the warp-knitted microfiber suede fabric are as follows:

[0022] Knitting of the surface layer: GB1: the yarn is threaded on the machine table in a full-threading manner, and a chain stitch 1-0 / 1-1 / 0-1 / 1-1 / / is knitted;

[0023] GB2: the yarn is threaded on the machine table in a full-threading manner, and a changeable plain weave 2-1 / 2-3 / 1-2 / 1-0 / / is knitted;

[0024] Knitting of the jacquard layer: one jacquard knitting needle: JK3: the yarn is threaded on the machine table in a full-threading manner, and a changeable plain weave 1-0 / 1-1 / 1-2 / 1-1 / / is knitted;

[0025] JK4: the yarn is threaded on the machine in a full-thread manner, and a changeable plain weave 1-0 / 1-1 / 1-2 / 1-1 / / is formed;

[0026] JK5: the island composite yarn is warped, the yarn is threaded on the machine in a 1-thread 1-empty manner, and a changeable plain weave 1-0 / 1-0 / 1-2 / 1-2 / / is formed;

[0027] JK6: the island composite yarn is warped, the yarn is threaded on the machine in a 1-thread 1-empty manner, and a changeable plain weave 1-1 / 1-0 / 1-1 / 1-2 / / is formed;

[0028] GB7: the yarn is threaded on the machine in a full-thread manner, and a chain weave 1-0 / 1-1 / 0-1 / 1-1 / / is formed;

[0029] GB8: the yarn is threaded on the machine in a 1-thread 1-empty manner, and a changeable plain weave 1-1 / 0-2 / 2-2 / 4-2 / 1-1 / 0-2 / 2-2 / 3-1 / / is formed.

[0030] Preferably, the surface layer is knitted with a mesh structure.

[0031] Preferably, the GB7 uses bright and environmentally friendly polyester monofilament yarn.

[0032] The technical scheme provided by the present application has at least the following technical effects:

[0033] The warp-knitted microfiber suede fabric disclosed in the present application knits a suede jacquard layer on the basis structure of the fabric by using island composite yarn, which significantly improves the softness and comfort of the fabric. It is worth mentioning that the F number of the island composite yarn is low before weaving, which avoids the problem of yarn damage caused by too high F number of the yarn, not only improves the production efficiency of the warp-knitting equipment, but also reduces the pollution risk in the production process, and exhibits higher environmental performance. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0035] Figure 1 It is a structure schematic diagram of the warp-knitted microfiber suede fabric of the present application embodiment 1.

[0036] Figure 2 It is a processing flow schematic diagram of the warp-knitted microfiber suede fabric of the present application embodiment 1.

[0037] Figure 3 Structure diagram of the warp-knitted microfiber suede fabric of the embodiment 2 of the present application;

[0038] Figure 4 Processing flow diagram of the warp-knitted microfiber suede fabric of the embodiment 2 of the present application;

[0039] Figure 5 Structure diagram of the island-in-the-sea filament of the embodiments 1 and 2 of the present application;

[0040] Figure 6 Physical diagram of the warp-knitted microfiber suede fabric of the embodiment 1 of the present application;

[0041] Figure 7 Structure diagram of the island-in-the-sea composite filament of the embodiments 1 and 2 of the present application.

[0042] Main figure mark explanation: 1, surface layer; 2, jacquard layer; 3, middle layer; 4, bottom layer; 5, fixed layer; 6, island-in-the-sea filament; 61, sea-phase fiber; 62, island-phase fiber; 7, high-shrinkage filament. DETAILED DESCRIPTION

[0043] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0044] In the description of the embodiments of the present application, it needs to be understood that the orientations or positional relationships indicated by the terms “length”, “width”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer” and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0045] In addition, the terms “first” and “second” are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with “first” and “second” can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of “multiple” is two or more, unless otherwise specifically limited.

[0046] Embodiment 1

[0047] Reference Figure 1The embodiment discloses a warp-knitted microfiber suede fabric and a processing method thereof. The fabric structure comprises a surface layer 1, a jacquard layer 2, an intermediate layer 3 and a bottom layer 4. The specific physical structure can be seen from Figure 6 The jacquard layer 2 is made of island composite yarns by using the island composite yarn weaving technology to form a suede jacquard layer 2 with a specific texture. Referring to Figure 7 The island composite yarn is composed of island yarn 6 and high-shrinkage yarn 7. As shown in Figure 5 The island yarn 6 comprises island phase fiber 62 and sea phase fiber 61 surrounding the island phase fiber 62 and being soluble. In the embodiment, the island phase fiber 62 is selected from ordinary polyester fiber, and the sea phase fiber 61 is selected from alkali-soluble polyester. The specification of the island composite yarn is 105D / 36F. The specification of the island yarn 6 is 75D / 24F, and the sea phase fiber 61 needs to be hydrolyzed for about 30 to 40 minutes at a temperature of 120 DEG C. Each F in 24F is decomposed into 37F, and a total of 888F is decomposed, thereby improving the subsequent dense pile effect. The high-shrinkage yarn 7 is selected from 30D / 12F FDY high-stretch yarn, which can play a role in shrinkage and compaction on the hydrolyzed yarn, thereby optimizing the pile effect of the suede jacquard layer 2. The processing flow of the warp-knitted microfiber suede fabric can be seen from Figure 2 The specific steps are as follows:

[0048] Knitting of the surface layer 1: at least one guide bar is used, GB2: P-FDY100D / 36F polyester environmentally friendly bright yarn is used, 496 yarns are arranged in each of the six disc heads, the yarns of the GB2 are arranged on the machine table in a full arrangement manner, the gear feed amount is 2250m / gram, the change warp plain weave is 2-3 / 1-1 / 1-0 / 1-1 / / , and the content of the GB2 environmentally friendly bright yarn is about 18.839%. Alternatively, 2 guide bars are used to design regular mesh holes on the surface of the surface layer 1 according to the design requirements, and the air permeability of the whole fabric is improved.

[0049] Knitting of the jacquard layer 2: two jacquard guide bars are used, JK3: P-DTY220D / 72F semi-bright new island yarn is used, 248 yarns are arranged in each of the six disc heads, the yarns of the JK3 are arranged on the machine table in a 1-arrangement-1-empty manner, the gear feed amount is 2180mm / gram, the change warp plain weave is 0-1 / 1-1 / 2-1 / 1-1 / / , and the content of the JK3 new island yarn is about 20.078%.

[0050] JK4: P-DTY220D / 72F semi-bright new island yarn is used, 248 yarns are arranged in each of the six disc heads, the yarns of the JK4 are arranged on the machine table in a 1-arrangement-1-empty manner, the gear feed amount is 2180mm / gram, the change warp plain weave is 0-1 / 1-1 / 2-1 / 1-1 / / , and the content of the JK4 new island yarn is about 20.078%.

[0051] Woven into suede jacquard layer 2, suede jacquard position can be customized, but also partial position design.

[0052] Woven: GB5: P-DT30D / 1F single filament yarn, 6 heads, 496 yarns per head, GB5 yarns are full of yarns on the machine, gear feed amount 7200mm / gram, change warp plain weave 1-0 / 2-1 / / 2-3 / 1-2 / / , GB5 single filament content accounts for about 18.085%.

[0053] Woven into the middle layer 3, so that the woven suede can be customized Q springiness and thickness, height, break through the previous suede only single layer, reached the double layer of fabric, and reached the customization of hair height, conducive to the use of mattress, sofa cushion, car cushion, etc. in the later period, the price is preferential, and it is environmentally friendly, wear-resistant and long-lasting. Solve the problem of animal hair pad not resistant to light and not easy to clean.

[0054] Woven: GB6: P-DTY75D / 36F semi-light environmental protection low-elasticity light net (recycle) yarn, 6 heads, 496 yarns per head, GB6 yarns are full of yarns on the machine, gear feed amount 1500m / gram, chain stitch organization 1-1 / 1-0 / 0-0 / 0-1 / / , GB6 polyester white low-elasticity light net yarn content accounts for about 9.419%.

[0055] GB7: P-DTY75D / 36F semi-light environmental protection low-elasticity light net (recycle) yarn, 6 heads, 512 yarns per head, GB7 yarns are full of yarns on the machine, gear feed amount 2150m / gram, change warp plain weave 2-2 / 2-3 / 2-2 / 1-0 / / , GB7 polyester white low-elasticity light net yarn content accounts for about 13.501%.

[0056] Example 2

[0057] Referring to Figure 3 , the embodiment discloses a warp-knitted microfiber suede fabric and a processing method thereof, and relates to fabric structure design and production process. The fabric is composed of a surface layer 1, a jacquard layer 2, a fixed layer 5 and a bottom layer 4. The jacquard layer 2 is woven by island composite yarn to form a unique suede texture. Figure 7 , the island composite yarn is composed of island yarn 6 and high-shrinkage yarn 7. According to Figure 5As shown, the island-in-sea filament 6 comprises island-phase fibers 62 and soluble sea-phase fibers 61, the island-phase fibers 62 are selected from ordinary polyester fibers, and the sea-phase fibers 61 are alkali-soluble polyester. The specification of the island-in-sea filament 6 is 75D / 24F, and the sea-phase fibers 61 are hydrolyzed at 120°C for about 30 to 40 minutes. The high-shrinkage filament 7 is selected from 30D / 12F FDY high-stretch yarn, and the hydrolyzed yarn is tightly gathered by the shrinkage of the high-stretch yarn, so as to improve the suede effect of the suede jacquard layer 2.

[0058] As to the processing method of the fabric, according to Figure 4 As shown, the main steps are as follows:

[0059] Knitting of the face layer 1: GB1: P-DT 0.08 / 1F bright single yarn of environment-friendly polyester, 6 heads, 512 yarns per head, the yarns of GB1 are fully threaded on the machine, the gear let-off amount is 1600 m / gram, the chain stitch 1-0 / 1-1 / 0-1 / 1-1 / / is knitted, and the content of the GB1 single yarn of environment-friendly polyester accounts for about 7.703%.

[0060] GB2: P-DT 30D / 1F semi-bright single yarn of environment-friendly polyester, 6 heads, 512 yarns per head, the yarns of GB2 are fully threaded on the machine, the gear let-off amount is 7200 m / gram, the changeable weft plain weave 2-1 / 2-3 / 1-2 / 1-0 / / is knitted, and the content of the GB2 single yarn of environment-friendly polyester accounts for about 17.874%.

[0061] The face layer 1 can be designed freely, and is matched with a jacquard free net and a plain weave, and the size of the net is set according to the requirement.

[0062] Knitting of the jacquard layer 2: a jacquard knitting machine: JK3: P-DTY 150D / 48F semi-bright single yarn of environment-friendly low-elasticity light net, 6 heads, 512 yarns per head, the yarns of JK3 are fully threaded on the machine, the gear let-off amount is 2200 mm / gram, the changeable weft plain weave 1-0 / 1-1 / 1-2 / 1-1 / / is knitted, and the content of the JK3 single yarn of environment-friendly polyester accounts for about 12.413%.

[0063] JK4: P-DTY 150D / 48F semi-bright single yarn of environment-friendly low-elasticity light net, 6 heads, 512 yarns per head, the yarns of JK4 are fully threaded on the machine, the gear let-off amount is 2200 mm / gram, the changeable weft plain weave 1-0 / 1-1 / 1-2 / 1-1 / / is knitted, and the content of the JK4 single yarn of environment-friendly polyester accounts for about 12.413%.

[0064] The free type of opening holes can also be designed on the jacquard layer 2, the size of the opening holes and the position of the plain weave can be set according to requirements, and the jacquard layer 2 is knitted: effectively solve the problem that the velvet mesh cloth cannot open holes, and the jacquard process design is used to achieve that the velvet mesh cloth can open holes locally, and effectively solve the problem of air permeability of the suede fabric and the leather suede.

[0065] Two-jacquard comb: JK5: warping P-DTY220D / 72F semi-light new island yarn, 1536 yarns are hung, the JK5 yarn is threaded on the machine table in a 1-thread 1-empty mode, the gear warp feed amount is 1323mm / gram, the changed warp plain weave 1-0 / 1-0 / 1-2 / 1-2 / / is run, and the JK5 new island yarn content accounts for about 9.953%.

[0066] JK6: warping P-DTY220D / 72F semi-light new island yarn, 1536 yarns are hung, the JK6 yarn is threaded on the machine table in a 1-thread 1-empty mode, the gear warp feed amount is 1323mm / gram, the changed warp plain weave 1-1 / 1-0 / 1-1 / 1-2 / / is run, and the JK6 new island yarn content accounts for about 9.953%.

[0067] The position and content of the jacquard suede can be designed according to the design and use, and the suede degree and pattern can be customized.

[0068] The knitting of the fixed layer 5: GB7: warping P-DT0.08 / 1F light environment-friendly polyester monofilament yarn, 6 disc heads, each disc head has 512 yarns, the GB7 yarn is threaded on the machine table in a full-thread mode, the gear warp feed amount is 2300m / gram, and the chain stitch 1-0 / 1-1 / 0-1 / 1-1 / / / is run, and the GB7 environment-friendly monofilament yarn content accounts for about 11.073%.

[0069] The fixed layer 5 adopts a fixed comb, and the yarn thereof is used to fix the local transparent delamination area.

[0070] The knitting of the bottom layer 4: GB8: warping P-DTY150D / 48F semi-light moisture-absorbing and sweat-repellent environment-friendly low-elastic light mesh yarn, 6 disc heads, each disc head has 512 yarns, the GB8 yarn is threaded on the machine table in a 1-thread 1-empty mode, the gear warp feed amount is 3300m / gram, and the changed warp plain weave 1-1 / 0-2 / 2-2 / 4-2 / 1-1 / 0-2 / 2-2 / 3-1 / / is run, and the GB8 moisture-absorbing and sweat-repellent yarn content accounts for about 18.619%.

[0071] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A processing method of warp-knitted microfiber suede fabric, characterized by, The warp-knitted superfine suede fabric comprises a surface layer (1), a jacquard layer (2), an intermediate layer (3) and a bottom layer (4), the jacquard layer (2) is knitted by island composite yarn, the island composite yarn comprises island yarn (6) and high shrinkage yarn (7) which are combined in parallel, and the processing steps of the warp-knitted superfine suede fabric are as follows: Knitting of the surface layer (1): GB2: the yarn is fully threaded on the machine table, and changeable plain weave 2-3 / 1-1 / 1-0 / 1-1 / / is knitted; Knitting of the jacquard layer (2): two jacquard cards are used, JK3: the island composite yarn is fully threaded on the machine table, and changeable plain weave 0-1 / 1-1 / 2-1 / 1-1 / / is knitted; JK4: the island composite yarn is fully threaded on the machine table, and changeable plain weave 0-1 / 1-1 / 2-1 / 1-1 / / is knitted; Knitting of the intermediate layer (3): GB5: the yarn is fully threaded on the machine table, and changeable plain weave 1-0 / 2-1 / / 2-3 / 1-2 / / is knitted; Knitting of the bottom layer (4): GB6: the yarn is fully threaded on the machine table, and chain stitch 1-1 / 1-0 / 0-0 / 0-1 / / is knitted; GB7: the yarn is fully threaded on the machine table, and changeable plain weave 2-2 / 2-3 / 2-2 / 1-0 / / is knitted.

2. The processing method of warp-knitted microfiber suede fabric according to claim 1, characterized in that, The surface layer (1) is knitted with a mesh structure.

3. A method of processing warp-knitted microfiber suede fabric, characterized by, The warp-knitted superfine suede fabric comprises a surface layer (1), a jacquard layer (2), a fixed layer (5) and a bottom layer (4), the jacquard layer (2) is knitted by island composite yarn, the island composite yarn comprises island yarn (6) and high shrinkage yarn (7) which are combined in parallel, and the processing steps of the warp-knitted superfine suede fabric are as follows: Knitting of the surface layer (1): GB1: the yarn is fully threaded on the machine table, and chain stitch 1-0 / 1-1 / 0-1 / 1-1 / / is knitted; GB2: the yarn is fully threaded on the machine table, and changeable plain weave 2-1 / 2-3 / 1-2 / 1-0 / / is knitted; Knitting of the jacquard layer (2): one jacquard card: JK3: the yarn is fully threaded on the machine table, and changeable plain weave 1-0 / 1-1 / 1-2 / 1-1 / / is knitted; JK4: the yarn is fully threaded on the machine table, and changeable plain weave 1-0 / 1-1 / 1-2 / 1-1 / / is knitted; Two jacquard cards: JK5: the island composite yarn is fully threaded on the machine table, and changeable plain weave 1-0 / 1-0 / 1-2 / 1-2 / / is knitted; JK6: the island composite yarn is fully threaded on the machine table, and changeable plain weave 1-1 / 1-0 / 1-1 / 1-2 / / is knitted; Knitting of the fixed layer (5): GB7: the yarn is fully threaded on the machine table, and chain stitch 1-0 / 1-1 / 0-1 / 1-1 / / is knitted; The bottom layer (4) is knitted: GB8: the yarn is threaded on the machine in a 1-thread 1-empty manner, and the change is 1-1 / 0-2 / 2-2 / 4-2 / 1-1 / 0-2 / 2-2 / 3-1 / / .

4. The processing method of warp-knitted microfiber suede fabric according to claim 3, characterized in that, The surface layer (1) is knitted with a mesh structure.

5. The processing method of warp-knitted microfiber suede fabric according to claim 3, characterized in that, The GB7 uses bright and environmentally friendly polyester monofilament yarn.

6. A warp-knitted microfiber suede fabric processed by a processing method using the warp-knitted microfiber suede fabric according to any one of claims 1 to 5, comprising a fabric body, characterized by, The surface layer (1) is knitted with a mesh structure.

7. The warp-knitted microfiber suede fabric according to claim 6, characterized in that, The surface layer (1) is knitted with a mesh structure.

8. The warp-knitted microfleece fabric according to claim 6 or 7, characterized in that The island phase fiber (62) is a polyester fiber or a cationic fiber.

9. The warp-knitted microfiber suede fabric according to claim 6, wherein, The sea phase fiber (61) is a soluble polyester fiber or a cationic fiber.

10. The warp-knitted microfiber suede fabric according to claim 6, wherein, The F number of the island composite yarn is 20-50. The D of the island composite yarn is 75-300.

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