JP2003119642A - Woven label - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fancy woven label having soft texture, developing fine and clear letters and patterns and having excellent color fastness. SOLUTION: The woven label is composed of a solution-dyed polyester multifilament yarn having a single fiber fineness of 0.8-3.0 dtex and a single yarn fineness of <=25 dtex. A plied double yarn of the multifilament yarn having twist coefficients of first twist and final twist falling within respective specific ranges is used as at least the warp and the label is woven at an average texture point density of >=4,500/inch<2> per one woven label.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a woven name used for displaying textile products.

[0002]

2. Description of the Related Art Textile products such as clothing and bedding are provided with a display label in order to clarify the manufacturer / seller, handling method, and material used. Among the display labels, there are embroidery patterns called woven names and high-class display labels that take time and effort like jacquard weaving, with the main aim of symbolizing the manufacturer brand and product brand. Conventionally, this woven name uses regenerated cellulose such as viscose rayon or copper ammonia rayon, which has good dyeing sharpness and softness and further has dimensional stability. In recent years, polyester multifilaments, which have high mechanical strength and are advantageous in terms of cost, have been used.

[0003] In the conventional woven name, characters and patterns are embossed by jacquard or embroidering a ground thread and a pattern thread of a color different from that of the ground thread. In order to improve the fastness, a polyester multifilament spun yarn (hereinafter referred to as the spun yarn) is also used, but it has a hard texture and is very soft especially for ladies' clothing and innerwear. When applied to thin products, the hardness and texture of the woven name may not match the product. In addition, in order to give a higher-grade feeling, there is a demand for a woven name that can further clarify the pattern contour and express a finer pattern.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a high-quality woven name which has a soft texture, is clear in characters and patterns, and has a fine pattern expression.

[0005]

The present inventors have arrived at the present invention as a result of intensive research to solve these problems.
That is, the present invention has the following configurations. 1. A ply-twisted twin yarn satisfying the following formulas (1) to (4) composed of polyester multifilament spun yarn having a single fiber fineness of 0.8 to 3.0 dtex and a single yarn fineness of 25 dtex or less is used for at least the warp. Woven name characterized by becoming. (1) Fineness of ply-twisted twin yarn ≦ 55 dtex (2) 2000 ≦ twist coefficient of upper twist K ≦ 4500 (3) 1400 ≦ twist coefficient of lower twist K ≦ 7,000 (4) 0.2 ≦ first twist coefficient / lower twist Coefficient ≦ 2.1 2.1 The number of texture points occupying a weave name is 4500 or more in terms of 1 inch ² average.
Woven name listed. 3. The product of warp density and weft density in the woven name is 25500
The woven name according to the first aspect, which is the above. 4. The woven name according to the above-mentioned first item, characterized in that the undyed yarn having the content of the undiluted color pigment of 1.0 to 10.0% by weight is used. 5. The woven name according to the fourth aspect, wherein the undiluted color pigment is carbon black.

The polyester resin used in the yarns and threads of the present invention is a polyester used for ordinary clothing, and is preferably one containing an ethylene terephthalate unit as a main repeating component, and a repeating unit of 90 It is preferable to use ethylene terephthalate in an amount of mol% or more, and more preferably 95% or more.

Aromatic dicarboxylic acids such as isophthalic acid, 5-sodium sulfoisophthalic acid and adipic acid, aliphatic diols such as tetramethylene glycol and hexamethylene glycol, and alicyclic or aromatic compounds such as 1,4 cyclohexanedimethanol. It does not matter even if a component such as a diol is copolymerized. Examples of the undiluted color pigment for the spun yarn of the present invention include carbon black, anthraquinone series, dioxazine series, phthalocyanine series, perylene series, penolin series, condensed azo series, thioindigo series, titanium dioxide / iron oxide series and the like. The raw material color pigment can be added at any stage from the raw material drying to the yarn making.

The raw color pigments are mixed and diluted within the range of 1% to 10% by weight. When the content is less than 1.0%, when the woven name is used, the hiding property of the woven name is deteriorated, the folded sewing part can be seen through, and the fabric of the garment body can be seen through, resulting in poor quality. . Further, if it is 10% or more, it is of course economically disadvantageous, and the yarn manufacturing operability is remarkably deteriorated. The lower the boiling water shrinkage of the spun yarn is, the better. However, since the liquid heat or wet heat setting is performed before weaving, it can be used without problem if it is within 10%.

The fineness of the plied yarn is 5 as a requirement for producing a high-quality woven name in which characters and patterns are clear and a fine pattern can be expressed.
It is preferably 5 decitex or less. If it is larger than 55 decitex, the yarn becomes thicker and it becomes difficult to express a fine pattern. The single fiber fineness is 0.8 to 2.8.
Decitex is preferred. If it exceeds 2.8 decitex, the texture of the woven name will be hard and it will be difficult to use for thin products that are soft, and a high-class feeling cannot be obtained. When it is less than 0.8 decitex, diffuse reflection of light on the fiber surface is rapidly increased, and even if the content of the raw material coloring pigment is increased, a deep color cannot be obtained in dark colors such as black and navy blue.

When weaving the woven name, it is necessary that at least the warp is the ply-twisted twine of the present invention. By folding the end of the woven name of the product by making a ply twist twine,
The sewing work to clothes etc. can be performed efficiently. When the ply-twisted twine of the present invention is not used as the weft, the twine does not necessarily have to be used. In the present invention, as the method for forming a polyester filament into a ply-twisted twine, the twist number of the lower twist is 1400 ≦
It is preferable that the twisting coefficient K of the lower twist is K ≦ 7,000, the number of twists of the upper twist is 2000 ≦ the twist coefficient of the upper twist K ≦ 4500, and the relationship between the upper twist and the lower twist is 0.2 ≦ the upper twist. It is preferable that the coefficient / bottom twist coefficient ≦ 2.1. If it exceeds this range, the finished ply-twisted twine becomes unbalanced, the torque is strong and warping is difficult, and the finished woven name is curled, which is not good. For example, when a single yarn of 22 decitex is used, a twist of 600 to 1000 T / m is given, and the upper twist is in the opposite direction of the lower twist and slightly less than the lower twist.
It only has to be multiplied by 0 to 1000 T / m.

In the present invention, the various twin yarns are used for at least the warp of the woven name, but the polyester filament and rayon filament which have been conventionally used can be used for other portions. However, when the plied twisted yarns are used for all of them, the expressiveness of characters and patterns is broadened, and a high-class feeling is easily obtained.

The weaving name of the present invention can be produced based on the conventional method for producing a narrow width woven fabric. For example, when it is produced using a jacquard loom or the like, it is woven with a basic design of 5, 7, or 8 satin weave. It is advantageous that the weaving density is as high as possible in terms of the background because the pattern is made finer. Since the present invention uses ply-twisted twin yarns having a size of 55 decitex or less, it is possible to increase the density. The density suitable as the woven name of the present invention is 240 to 380 warp threads / inch, and the weft density is 8
A range of 5 to 120 lines / inch is preferably used. More preferably, the warp yarn is 300 to 380 yarns / inch, and the weft density is 90 to 120 yarns / inch.

[0013]

EXAMPLES The present invention will be described in more detail below with reference to examples. The evaluation method is as follows. 1) Softness: The texture was judged by three skilled texture judgment experts. In particular, the softness was compared, and a very soft one was evaluated as ⊚, a soft one was evaluated as ○, a slightly hard product was evaluated as Δ, and a hard product was evaluated as ×. 2) Fineness of pattern The number of textures per unit area of the finished woven name was measured and used as a measure of fineness of the pattern. The texture point is a point at which the warp appears on the surface in the texture chart. 3) Washing fastness According to JIS L0844A-2 method. The attached white cloth is (cotton / polyester)
use. 4) Rubbing fastness Using a friction tester type II (Gakushin type), dry and wet tests were conducted according to JIS L-0849 (1996). 5) Dyeing fastness to dry heat treatment The method of JIS L0879 was applied correspondingly, and the treatment condition was 180 ° C x 3 minutes. The attached white cloth uses (cotton / polyester). 6) Twist coefficient The fineness of the filament is F, and the twist number is Y (T / m),
The twist coefficient was calculated as K = F ^1/2 × Y.

Example 1 Polyethylene terephthalate resin was kneaded with carbon black to prepare a master chip containing 20% by weight of carbon black and having an intrinsic viscosity of 0.62. The master chip was added and mixed in a ratio that the carbon black content was 1.5% by weight, and the melt extrusion spinning machine was used to spin at a temperature of 290 ° C. and a take-up speed of 1
Melt-spun at 600 m / min to make undrawn yarn. This unstretched yarn was stretched 2.65 times at a speed of 650 m / min by using a twisting machine while heating the hot plate at 150 ° C. to obtain a 22 dtex 9 filament black dyed yarn. Next, with an Italy twisting machine, this yarn is S twisted to 900 T / m
After twisting, the two twisted yarns were combined to give a top twist of 800 T / m to obtain a twin yarn. Take this ply-twisted twine and remove it at 135 ℃
A high-pressure liquid heat treatment was performed for 30 minutes, and the treated ridges were bobbed. The obtained ply-twisted twine was 46 decitex. Using these ply-twisted yarns as warp and wefts, the dyed yarns are made by using yellow, red, and blue pigments instead of carbon black as yarns for characters, and ply-twisted yarns are prepared in the same manner as the ground yarn. did. Then, using a narrow width jacquard loom, a woven name cloth based on 5 pieces of satin was produced. The warp density of this fabric is 33
0 line / inch and weft density were set to 95 line / inch. This woven name has a soft texture and a fine pattern of 6720 /
It was inch ² , and the expressiveness of the pattern was rich.

(Comparative Example 1) 33d as a thread for characters and patterns
A tex 12 filament polyester filament yarn was used to form a ply-twisted twin yarn of 67 dtex with an upper twist of 900 T / m and a lower twist of 800 T / m, and then a woven name was produced in the same manner as in Example 1. This woven name has a density of 250
The weft density was 80. This woven name has a hard texture similar to the conventional woven name using spun yarn, and the fineness of the pattern is 43
It was 50 / inch ² , and the expressiveness of the pattern was inferior.

(Comparative Example 2) A polyester filament of 56 dtex 18 filaments was used as the yarn for both the ground yarn and the letters / patterns in place of the above-mentioned spun yarn.
Upper twist 800 T / m, lower twist 650 T / m, and 116 dtex twin twist twine, then weave and disperse dye at 135 ° C x 3
Dyeing was performed for 0 minutes. Using this yarn-dyed yarn, a woven name was prepared in the same manner as in Example 1. The warp density of the woven fabric was 235 / inch and the weft density was 75. This woven name had a hard texture like the conventional woven name, and the fineness of the pattern was 3775 / inch ^2, and the expression of the pattern was inferior.

[0017]

[Table 1]

[0018]

Industrial Applicability According to the present invention, it is possible to provide a high-class woven name which is soft in texture, has clear characters and patterns, has fine pattern expression, and is excellent in dyeing fastness.

Claims (5)

[Claims] 1. A ply-twisted twin yarn satisfying the following formulas (1) to (4), which is composed of polyester multifilament-dyed yarns having a single fiber fineness of 0.8 to 3.0 dtex and a single yarn fineness of 25 dtex or less. A woven name characterized by being used for at least warp threads. (1) Fineness of ply-twisted twin yarn ≤ 55 dtex (2) 2000 ≤ twist coefficient of upper twist K ≤ 4500 (3) 1400 ≤ twist coefficient of lower twist K ≤ 7,000 (4) 0.2 ≤ upper twist coefficient / lower twist Coefficient ≦ 2.1 2. A texture point occupying one woven name is 1 inch.
^2. The woven name according to claim 1, wherein there are 4500 or more in terms of ² averages. 3. The product of warp density and weft density in a woven name is 2
The woven name according to claim 1, wherein the woven name is 5500 or more. 4. The content of the undiluted color pigment is 1.0 to 10.0.
2. The weaving name according to claim 1, wherein the woven yarn is used in an amount of 100% by weight. 5. The woven name according to claim 4, wherein the undiluted color pigment is carbon black.