TW202009345A - Method for developing color pattern on fabric using acid dyes, cationic dyes and disperse dyes to weave and dye a knitted fabric - Google Patents

Abstract

A method for developing color pattern on a fabric by weaving raw yarns of nylon fiber (Nylon), cationic polyester yarn (CD yarn), and polyester fiber (Polyester) into a knitted fabric with a pattern. Color dyes including acid dyes, cationic dyes and disperse dyes, as well as dyeing aids, leveling agents and retarders are placed in a dyeing machine for dip-dyeing the knitted fabric. According to the characteristics of different fibers which correspond to the above three dyes, the pattern on the dyed knitted fabric has a predetermined color. By the method described above, the present invention can quickly weave and dye a knitted fabric, inspect the finished product, reduce modification costs and storage costs.

Description

Method for developing pattern color on fabric

The present invention is a method for weaving and dyeing fabrics, especially a method for coloring patterns on fabrics. The original yarn is first woven into a pattern and then developed through pigments with corresponding characteristics. In addition to the ability to quickly confirm the finished product, it also reduces hoarding costs And modification costs.

The conventional method of manufacturing patterned fabrics is to dye the original yarns separately to form colored yarns of different colors, and then weave each colored yarn according to a predetermined pattern to form a fabric, and a single original yarn usually needs to reach a predetermined number of tons to be dyed. Machine dyeing, the dyed yarn needs time to wait for the pigment to dry before the dried yarn can be woven into a fabric with a pattern.

The disadvantages of the above-mentioned conventional techniques are as follows:

1. The production speed of the finished product is slow: it takes time to dye a large number of raw yarns, and it takes time to dry the dyed colored yarn, and then the patterned fabric will be made afterwards, so the production time of the finished product is long.

2. High modification cost: If the dyed yarn does not match the expected color, or if the customer wants to change the color, the dyed yarn will become a stockpile, which will incur additional storage costs and modification costs.

The invention provides a method for color development of a pattern on a fabric. The steps include: a. Using nylon fiber, cationic polyester yarn, and polyester yarn to weave a knitted fabric with a pattern; b. Putting different colors in the dyeing machine at the same time The three kinds of dyes are acid dyes, cationic dyes and disperse dyes; c. Add dyeing auxiliary, leveling agent and retarder, dyeing auxiliary means adding acetic acid, the ratio is 1 liter of water and 1 g Acetic acid, adjusted to the range of pH value 4 to pH value 5, leveling agent refers to the leveling agent for nylon fiber, the fabric with a ratio of 0.1 kg weighs 1 g of leveling agent, retarder means adding Glauber's salt, the proportion of 1000 g of water is added to 1 g of Glauber's salt; d. Put the knitted fabric into the dyeing machine for dip dyeing, and the patterns woven by different raw yarns match the corresponding characteristics of the dye, so that the finished cloth pattern after taking out Book colors.

With the above method, the advantages of the present invention are:

1. Fast color confirmation of finished product: After weaving 3 kinds of original yarn into a patterned fabric, put it into a mixed dyeing tank, and then take out the finished fabric, you can see the dyed pattern.

2. Good dyeing effect: dyeing aid can improve the coloring ability, and the leveling agent can make nylon fiber dye evenly. The retarding agent is the corresponding cationic polyester yarn of the Glauber salt series, which can make the cationic polyester yarn dye slowly and control the coloring speed. The coloring speed of the three fabrics is similar, reducing the possibility of color flowering and achieving quality control; in addition, thenardite can increase the vividness of the cationic polyester yarn after dyeing and make the color more vivid.

3. Low cost: In this case, the original yarn is woven with patterns, and then put into the dyeing machine for coloring. After dyeing, you can immediately ask the customer to confirm whether the color matching is correct, reduce the cost of stocking and modify the cost.

10‧‧‧Finished fabric

11‧‧‧The first pattern

12‧‧‧Second pattern

13‧‧‧ third pattern

FIG. 1 is a schematic flow chart of a method for developing color on a fabric of the present invention

2A is a schematic diagram of the first embodiment of the present invention

2B is a schematic diagram of a second embodiment of the invention

As shown in FIG. 1, the present invention discloses a method for coloring patterns on fabrics. The steps include: a. The three original yarns of nylon fiber, cationic polyester yarn, and polyester fiber are passed through a computer according to customer requirements or predetermined patterns. The jacquard machine is woven into a knitted fabric with a pattern, which can be any combination of nylon fiber, cationic polyester yarn, and polyester fiber; b. A total of 3 different colors of dyes are simultaneously put into the dyeing machine, respectively: Acid dyes, cationic dyes and disperse dyes, of which nylon fibers absorb acid dyes, cationic polyester yarns absorb cationic dyes, and polyester fibers absorb disperse dyes. The color depth of the above disperse dyes needs to be lighter than acid dyes and cationic dyes; c. Add dyeing auxiliary, leveling agent and retarding agent, dyeing auxiliary refers to adding acetic acid, the ratio is 1 liter of water and 1 gram of acetic acid, adjusted to the range of pH value 4 to pH value 5, all Dyeing agent refers to the leveling agent for nylon fiber. The fabric with a ratio of 0.1 kg weighs 1 g of leveling agent. Retarder refers to the addition of thenardite and the ratio of 1000 g of water to 1 g of thenardite; d. The knitted fabric is put into a dyeing machine for dip dyeing, and the patterns woven from different raw yarns match the dyes with corresponding characteristics, so that the pattern on the finished cloth after taking out shows a predetermined color according to the characteristics of the raw yarns and the corresponding dyes.

2A and 2B in conjunction with FIG. 1, it reveals a finished fabric 10 dyed by the above method in this case, the specific implementation process is as follows: a. First, the raw yarn of nylon fiber, cationic polyester yarn and polyester fiber are respectively transmitted through A computer jacquard machine weaves a plurality of first patterns 11, a plurality of second patterns 12, and a knitted fabric with a plurality of third patterns 13; in the above, the first patterns 11 are woven from polyester fibers, and the second patterns 12 is woven from nylon fibers, and the third patterns 13 are woven from cationic polyester yarn. The woven patterns may be, as shown in the first patterns 11, the second patterns 12, and the like in FIG. 2A The third patterns 13 are respectively trapezoids of different sizes. The first patterns 11, the second patterns 12, and the third patterns 13 in FIG. 2B are patterned with radial triangles, and the first patterns described above 11. The second patterns 12 and the third patterns 13 can be any combination; b. Put acid dyes, cationic dyes and disperse dyes into the dyeing machine at the same time. If the disperse dyes use too dark colors, it will make Acid dyes and cationic dyes cannot color nylon fibers and cationic polyester yarns, so when the above three dyes are used at the same time, the color of the disperse dyes must use light pigments to not affect the coloration of nylon fibers and cationic polyester yarns. In other words, the color depth of disperse dyes needs to be lighter than acid dyes and cationic dyes, for example: acid dyes, cationic dyes and disperse dyes are blue, brown and white in sequence; And retarding agent, dyeing aid refers to the addition of acetic acid, the ratio of 1 liter of water is added to 1 g of acetic acid, formulated to a pH range of 4 to pH 5, the leveling agent refers to the leveling agent for nylon fiber , Fabric with a ratio of 0.1 kg weighs 1 g of leveling agent, retarder refers to the addition of thenardite, and the ratio of 1000 g of water adds 1 g of thenardite; in the above, the dyeing aid can improve the coloring ability, and even The dyeing agent can make nylon fiber dye evenly. The retarding agent is the corresponding cationic polyester yarn of Glauber's salt. It can make the cationic polyester yarn slow dyeing. Control the coloring speed to make the coloring speed of the three fabrics similar, reduce the possibility of color flower, and achieve quality control. In addition, thenardite can increase the vividness of the cationic polyester yarn after dyeing and make the color more vivid; d. Put the knitted fabric after weaving into the dyeing machine for dyeing, although the dyeing machine will show a darker single color after mixing 3 kinds of dyes , But according to the characteristics of nylon fibers absorbing acid dyes, cationic polyester yarns absorbing cationic dyes, and polyester fibers absorbing disperse dyes, the first patterns 11, the second patterns 12, and the third patterns on knitted fabrics The 13 series are dyed with dyes of corresponding characteristics, for example: the first patterns 11 of FIG. 2A are dyed white (woven from polyester fibers and colored by disperse dyes), and the second patterns 12 are dyed blue ( Nylon fibers are woven and colored by acid dyes) and the third patterns 13 are dyed brown (woven by cationic polyester yarn and colored by cationic dyes), by which the patterns woven by different raw yarns match pairs According to the characteristics of the dyes, the patterns on the finished cloth after taking out will have different colors according to the characteristics of the original yarn and the corresponding dyes.

The proportion of the above-mentioned dyes is related to the amount of fabrics and the color depth. Therefore, the proportion of the dyes into the dyeing machine will be adjusted according to the above requirements.

Claims (2)

A method for color development of a pattern on a fabric, the steps include: a. Using nylon fiber, cationic polyester yarn, and polyester yarn to weave into a knitted fabric with a pattern; b. Putting 3 different colors into the dyeing machine at the same time Dyes are acid dyes, cationic dyes and disperse dyes, respectively, and the color depth of disperse dyes needs to be lighter than acid dyes and cationic dyes; c. Then add dyeing aids, leveling agents and retarders, dyeing aids series Refers to the addition of acetic acid, the ratio of 1 liter of water to 1 gram of acetic acid, adjusted to the range of pH 4 to pH 5, the leveling agent refers to the leveling agent for nylon fibers, the proportion of 0.1 kg of fabric is added 1 gram of leveling agent, retarding agent refers to the addition of thenardite, the ratio of 1000 grams of water to 1 gram of thenardite; d. Put the knitted fabric into the dyeing machine for dip dyeing, the patterns of different raw yarns are woven to match the corresponding characteristics Dyes make the finished cloth pattern after taking out take a predetermined color. The method for color development of a pattern on a fabric as described in item 1 of the patent application scope, in which nylon fibers absorb acid dyes, cationic polyester yarns absorb cationic dyes, and polyester fibers absorb disperse dyes.

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