A lace fabric with three-dimensional structure and preparation method thereof

Abstract

The present invention discloses a lace fabric with a three-dimensional structure and a preparation method thereof, comprising a fabric body, a plane porous base fabric layer and a three-dimensional linear layer connected to the plane porous base fabric layer, the three-dimensional linear layer comprising a three-dimensional raised pattern, a plane porous bottom surface layer provided with a plurality of holes, the plane porous bottom surface layer comprising yarn Y1 and yarn Y2 woven together, the yarn Y1 being a core-spun yarn woven in a straight chain structure, the yarn Y2 being a mechanical elastic composite yarn woven in a weft-inserted jacquard structure, and the three-dimensional linear layer being woven by a flower yarn Y3 in a variable weft-inserted or variable loop structure. The present invention has good air permeability, and the three-dimensional raised pattern with a significant height formed by the flower yarn makes the fabric full of vitality, which is not only very practical, but also improves the fashion and sportiness of the garment; the dyeing and finishing temperature of the fabric does not exceed 170°C, which saves energy consumption and heat energy emission, and has a good environmental protection effect, and is widely used in the fields of sportswear.

Description

Technical Field

[0001] The invention relates to a fabric, in particular to a lace fabric with a three-dimensional structure and a preparation method thereof. Background Art

[0002] In most people's imagination or understanding, lace is to transfer the flowers and plants in life to the fabric to make it look fashionable. Although there are many varieties of lace fabrics, basically no attention is paid to the unique three-dimensional effect of lace. Therefore, the current lace fabrics are basically flat, with poor regularity and movement.

[0003] In addition, the temperatures used in the production links of ordinary fabrics on the market are between 185℃-200℃ for pre-forming and between 150℃-170℃ for post-forming. The high temperatures waste energy and cause more radiation to the surrounding environment. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a lace fabric with a three-dimensional structure and a preparation method thereof.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A lace fabric with a three-dimensional structure comprises a fabric body, a plane porous base fabric layer and a three-dimensional linear layer connected to the plane porous base fabric layer, the three-dimensional linear layer comprises a three-dimensional raised pattern, a plurality of holes are arranged in the plane porous bottom surface layer, the plane porous bottom surface layer comprises yarn Y1 and yarn Y2 woven together, the yarn Y1 is a core-spun yarn woven in a straight chain structure, the yarn Y2 is a mechanical elastic composite yarn woven in a weft-inserted jacquard structure, and the three-dimensional linear layer is formed by weaving a pattern yarn Y3 in a variable weft-inserted or variable loop structure.

[0007] The planar porous bottom surface layer also includes spandex Y4, which is woven with a 1-needle weft insertion structure to form a radial elastic structural layer for increasing the radial elasticity of the fabric body.

[0008] The height of the three-dimensional protruding pattern is ≥0.8 mm, the width is ≥1 mm, and the horizontal density WPC of the planar porous base fabric layer is ≥18.

[0009] The yarn Y1 is woven on a looping comb in an open or closed chain structure, the linear density of the yarn Y1 is between 20-150D, the yarn Y1 comprises a core yarn spandex and an outer coating filament coated on the surface of the core yarn spandex, the linear density of the outer coating filament is between 10-140D, and the linear density of the core yarn spandex is between 10-55D.

[0010] The yarn Y2 is composed of two fibers with different thermal shrinkage rates, and will shrink by 25%-35% and generate additional crimp after being subjected to dyeing and finishing treatment at a temperature not exceeding 170°C.

[0011] The yarn Y2 is threaded on a jacquard bar to form a multi-needle variable weft insertion structure, the weave structure is 0-0 / 2-2 / / , the maximum number of lateral shift needles of a single needle is 5 needles, and the linear density of Y2 is between 20-480D.

[0012] When the pattern yarn Y3 is worn on the pattern yarn comb group to change the weft insertion structure, the structure is 0-0 / 1-1 / / , the minimum number of lateral shift needles for a single needle is 3, the maximum number of lateral shift needles is 12, and the line density is between 140-840D; or when the chemical yarn Y3 is worn on the pattern yarn comb group to change the loop structure, the structure is 1-0 / 1-2 / / , the minimum number of lateral shift needles for a single needle is 3, the maximum number of lateral shift needles is 12, and the line density is between 100-420D.

[0013] The inlay direction of the spandex Y4 is opposite to that of the yarn Y1, and the linear density of the spandex Y4 is between 70-560D.

[0014] When no spandex Y4 is added to the fabric body, the warp opening L%≥70% and the weft opening W%≥80%; when spandex Y4 is added to the fabric body, the warp opening L%≥120% and the weft opening W%≥80%.

[0015] A method for preparing a lace fabric with a three-dimensional structure, wherein the fabric body is processed through a shaping process, the shaping process includes pre-shaping and post-shaping, the pre-shaping temperature is between 140°C and 170°C, and the post-shaping temperature is between 110°C and 130°C.

[0016] The invention has good air permeability, and the three-dimensional raised pattern with significant height formed by the flower yarn makes the fabric full of vitality. It is not only very practical, but also improves the fashion and sportiness of the ready-made clothes. The dyeing and finishing temperature of the fabric does not exceed 170°C, which saves energy consumption and heat emission, plays a good environmental protection effect, and is widely used in sportswear and other fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attached Figure 1 It is a schematic diagram of the cross-sectional structure of the present invention;

[0018] Attached Figure 2 It is a schematic diagram of the organizational structure of the present invention. DETAILED DESCRIPTION

[0019] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] As attached Figure 1 and 2 As shown, the present invention discloses a lace fabric with a three-dimensional structure, a lace fabric with a three-dimensional structure, comprising a fabric body, a plane porous base fabric layer 1 and a three-dimensional linear layer 2 connected to the plane porous base fabric layer 1, the three-dimensional linear layer comprising a three-dimensional raised pattern, a plane porous bottom surface layer 1 is provided with a plurality of holes 3, the plane porous bottom surface layer comprises yarn Y1 and yarn Y2 woven together, yarn Y1 is core-spun yarn and woven in a straight chain structure, yarn Y2 is mechanical elastic composite yarn and woven in a weft-inserted jacquard structure, and the three-dimensional linear layer is woven by flower yarn Y3 in a variable weft-inserted or variable loop structure. The design of the porous base fabric gives the fabric good air permeability, and coupled with the three-dimensional raised pattern with a significant height formed by the flower yarn, the fabric is full of vitality, which is not only very practical, but also greatly enhances the fashion and sportiness of the garment.

[0021] The planar porous bottom layer also includes spandex Y4, which is woven with a 1-needle weft insertion structure to form a radial elastic structure layer for increasing the radial elasticity of the fabric body to meet the stretch requirements of the garment.

[0022] The height of the three-dimensional protruding pattern is ≥0.8 mm, the width is ≥1 mm, and the horizontal density WPC of the flat porous base fabric layer is ≥18, so that the three-dimensional effect is better.

[0023] The yarn Y1 is woven on a looping comb in an open or closed chain structure, the linear density of the yarn Y1 is between 20-150D, the yarn Y1 comprises a core yarn spandex and an outer coating filament coated on the surface of the core yarn spandex, the linear density of the outer coating filament is between 10-140D, and the linear density of the core yarn spandex is between 10-55D.

[0024] The yarn Y2 is composed of two fibers with different heat shrinkage rates. After being dyed and finished at a temperature not exceeding 170° C., it will shrink by 25%-35% and produce additional curling, achieving tensile and shrinkage properties superior to those of ordinary textured yarns.

[0025] The yarn Y2 is threaded on a jacquard bar to form a multi-needle variable weft insertion structure, the weave structure is 0-0 / 2-2 / / , the maximum number of lateral shift needles of a single needle is 5 needles, and the linear density of Y2 is between 20-480D.

[0026] When the pattern yarn Y3 is worn on the pattern yarn combing bar group to change the weft insertion structure, the organization structure is 0-0 / 1-1 / / , the minimum number of lateral shift needles of a single needle is 3, the maximum number of lateral shift needles is 12, and the line density is between 140-840D.

[0027] Or when the chemical yarn Y3 is passed through the pattern yarn combing bar group to change into a loop structure, the organization structure is 1-0 / 1-2 / / , the minimum number of lateral shift needles of a single needle is 3, the maximum number of lateral shift needles is 12, and the line density is between 100-420D.

[0028] The inlay direction of the spandex Y4 is opposite to that of the yarn Y1, and the linear density of the spandex Y4 is between 70-560D, thereby forming an elastic structure in the warp direction and improving the comfort of the fabric.

[0029] When no spandex Y4 is added to the fabric body, the warp opening L%≥70% and the weft opening W%≥80%; when spandex Y4 is added to the fabric body, the warp opening L%≥120% and the weft opening W%≥80%.

[0030] A method for preparing a lace fabric with a three-dimensional structure, wherein the fabric body is processed through a shaping process, the shaping process includes pre-shaping and post-shaping, the pre-shaping temperature is between 140°C and 170°C, and the post-shaping temperature is between 110°C and 130°C.

[0031] The yarns used in this example and the threading method thereof are:

[0032] Y1: PES 50D / 36F / 1SD DTY single pack PU 20D SD, fully worn;

[0033] Y2(Y2.1&Y2.2): PES 50D / 36F / SD DT, full wear;

[0034] Y3: PES 75 / 72F / 1*3SD DTY, threading according to pattern design;

[0035] The specific production steps of this example are: warping - yarn threading - weaving embryo - overflow washing - 160℃ preset - overflow dyeing - 120℃ post-warping

[0036] Warping: The warping operator selects the required yarn and quantity according to the requirements of the weaving process sheet, and places the yarn bobbins on the warping creel. After adjusting the warping tension and machine speed, the yarn is prepared on the reel.

[0037] a) Warping of yarns Y1, Y2, Y3:

[0038] Warping machine model: Karl Mayer DS 21 / 30NC-2, negative yarn feeding

[0039] Warping temperature: 23℃ Warping humidity: 65% Warping machine speed: 600m / min

[0040] b) Warping of yarn Y4:

[0041] Warping machine model: Karl Mayer DSE-H21 / 30NC-2, positive yarn feeding

[0042] Warping temperature: 24℃ Warping humidity: 78% Warping machine speed: 500m / min

[0043] Under the above-mentioned temperature and humidity conditions, the workshop sets the warping process parameters and adjusts the amount of warping oil according to actual conditions.

[0044] Yarn threading: Thread the yarn on each disc head onto the yarn guide needle of the corresponding comb according to the yarn threading method listed in the weaving process.

[0045] Weaving embryo: adjust the yarn tension of each set of bobbins within a reasonable range according to the design requirements and the actual situation on the machine. After confirming the effect and checking that there are no other problems, start weaving.

[0046] Overflow water washing: In order to remove the oil / stains on the surface of the blank and maximize its shrinkage, the blank is placed in the overflow tank and heated to 80℃ and then started to operate. After about 1 hour, it is slowly cooled to about 40℃ and then taken out of the tank for dehydration.

[0047] Presetting: The dehydrated fabric is set in a free and flat state at 160℃ on the Monfushi setting machine to allow the fabric to shrink further. This process is 30-40℃ lower than the setting temperature of traditional lace fabrics (generally between 190-200℃), saving energy and costs caused by heating, and reducing the radiation caused by high temperature to the surrounding atmosphere.

[0048] Overflow dyeing: Place the pre-ordered semi-finished product into the overflow dyeing tank, prepare the dye and related auxiliaries according to the color formula, heat the dye solution to 125°C according to the standard operation process of the dyeing tank, and then dye the semi-finished product.

[0049] Finishing: The dyed and dehydrated fabric is subjected to final shrinkage and shaping in a free and flat state at 120℃ on the Monforts setting machine. This process is 40℃ lower than the finishing temperature of traditional lace fabrics (generally 160℃), saving energy and costs caused by temperature rise, and reducing the radiation caused by high temperature to the surrounding atmosphere.

[0050] The finished product samples were measured to have flower height = 0.9-1.0 mm, flower width = 1.3-1.6 mm, and base fabric cross-density WPC = 21.

[0051] The finished product was sampled and tested according to the LTD03 test standard, and the test results were: L%=156%, W%=93%.

[0052] It should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lace fabric with a three-dimensional structure, comprising a fabric body, characterized in that: The invention comprises a plane porous base fabric layer and a three-dimensional linear layer connected to the plane porous base fabric layer, wherein the three-dimensional linear layer comprises a three-dimensional convex pattern, a plurality of holes are arranged in the plane porous bottom surface layer, and the plane porous bottom surface layer is woven by yarn Y1 and yarn Y2, wherein the yarn Y1 is a core-spun yarn and is woven in a straight chain structure, the yarn Y2 is a mechanical elastic composite yarn and is woven in a weft-inserted jacquard structure, and the three-dimensional linear layer is formed by weaving a pattern yarn Y3 in a variable weft-inserted or variable loop structure; the plane porous bottom surface layer The fabric also includes spandex Y4, which is woven with a 1-needle weft structure to form a warp elastic structural layer for increasing the warp elasticity of the fabric body; the yarn Y2 is composed of two fibers with different thermal shrinkage rates, and will shrink by 25%-35% and produce additional curl after being dyed and finished at a temperature not exceeding 170°C; when spandex Y4 is added to the fabric body, the warp opening L% is ≥120% and the weft opening W% is ≥80%; the inlay direction of the spandex Y4 is opposite to that of the yarn Y1.

2. The lace fabric with a three-dimensional structure according to claim 1, characterized in that: The height of the three-dimensional protruding pattern is ≥0.8 mm, the width is ≥1 mm, and the horizontal density WPC of the planar porous base fabric layer is ≥18.

3. The lace fabric with a three-dimensional structure according to claim 2, characterized in that: The yarn Y1 is woven on a looping comb in an open or closed chain structure, the linear density of the yarn Y1 is between 20-150D, the yarn Y1 comprises a core yarn spandex and an outer coating filament coated on the surface of the core yarn spandex, the linear density of the outer coating filament is between 10-140D, and the linear density of the core yarn spandex is between 10-55D.

4. The lace fabric with a three-dimensional structure according to claim 3, characterized in that: The yarn Y2 is threaded on a jacquard bar to form a multi-needle variable weft insertion structure, the weave structure is 0-0 / 2-2 / / , the maximum number of lateral shift needles of a single needle is 5 needles, and the linear density of Y2 is between 20-480D.

5. The lace fabric with a three-dimensional structure according to claim 4, characterized in that: The linear density of the spandex Y4 is between 70D and 560D.

6. A method for preparing a lace fabric with a three-dimensional structure according to any one of claims 1 to 5, characterized in that: The fabric body is processed through a shaping process, which includes pre-shaping and post-shaping, the pre-shaping temperature is between 140°C and 170°C, and the post-shaping temperature is between 110°C and 130°C.

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