JPH09273086A - Disperse dye for high speed spun polyester fiber and method for dyeing or printing high speed spun polyester fiber using the same - Google Patents

Abstract

(57) [PROBLEMS] To provide a disperse dye for a high-speed spun polyester fiber, which is excellent in exhaustion property and reduces coloring of waste water after dyeing and printing. A disperse dye for a high-speed spun polyester fiber, comprising a disperse dye having a molecular weight of 400 or more.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disperse dye for high speed spun polyester fibers and a method for dyeing and printing high speed spun polyester fibers using the same.

[0002]

2. Description of the Related Art For polyester fibers, attempts have been made to increase the spinning speed,
At present, high-speed spun polyester fibers spun at a speed of 6 km / min or more have reached the commercialization stage. However, it is known that the high-speed-spun polyester fiber has increased crystallinity of the fiber and improved mechanical properties, but the dyeability and the printability are decreased on the contrary (Textile Chemist Color
ist 15 , 197 (1983)). On the other hand, in order to improve the dyeability and printability, a method of heat-treating high-speed spun polyester at a high temperature, a method of treating with an alkaline solution at a high temperature, and the like have been proposed.
(Fiber Society of Mechanical Engineers Journal 38, 150 (1985), 38, 201 (1985)). However, in the method of modifying these fibers themselves, the difficulty that the physical properties and texture of the fibers themselves change,
Further, there is a drawback that the manufacturing process becomes complicated.

[0003]

Means for Solving the Problems Under the circumstances, the present inventors have conducted extensive studies on dyes in order to find an excellent dyeing and printing method for high-speed spun polyester fibers, and as a result, as a dye, If a disperse dye having a molecular weight is used, a dyeing product having improved dyeing properties and printing properties, the dye is highly exhausted and excellent in wet fastness, and dyeing and coloring of waste water after printing can be significantly reduced. While finding out that
The present invention has been completed by further conducting various studies.

That is, the present invention relates to a disperse dye for fast-spun polyester fibers having excellent exhaustion characteristics, which comprises a disperse dye having a molecular weight of 400 or more, and an industrially excellent dyeing of a high-speed spun polyester fiber using the disperse dye. And a printing method.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail. As the high-speed spun polyester fiber in the present invention, a fiber obtained by a method in which the spinning speed of the polyester molten polymer is made higher than before, for example, a fiber spun at a speed of 6 km / min or more (for example, Journal of the Textile Machinery Society 38 , 268). (198
5)) is usually used, but it is also possible to use a combination thereof with at least one fiber selected from conventional polyester fibers, other synthetic fibers, cellulosic fibers, wool, silk and the like.

For dyeing and printing high-speed spun polyester fibers, the molecular weight is 400 or more, preferably 400-
700, more preferably 400 to 660 disperse dyes are used. Here, specific examples of the disperse dye having a molecular weight of 400 or more include yellow and orange dyes such as CIDisperse Yellow.
58, Yellow 63, Yellow 88, Yellow 93, Yellow 99, Ye
llow 126, Yellow 149, Yellow 163, Yellow 183, Yell
ow 198, Yellow 201, Yellow 224, Yellow 226, Yellow
231, Yellow 234, CIDisperse Orange 30, Orange 4
7, Orange 73, Orange 80, Orange 119, Orange 127, O
Examples include dyes such as range 148 and Orange 149, and mixtures thereof. For yellow and orange, the molecular weight is 400-620
Are preferably used.

[0007] In red and violet, for example, CIDisper
se Red 54, Red 54, Red 74, Red 82, Red 86, Red 88,
Red 92, Red 111, Red 127, Red 134, Red 135, Red 1
43, Red 152, Red 167, Red 183, Red 184, Red 202, Re
d 206, Red 207, Red 210, Red 221, Red 258, Red 278,
Red 323, Red 324, Red 332, Red 339, Red 348, Red 3
49, Red 358, Red 359, Red 360, CIDisperse Violet
26, Violet 33, Violet 35, Violet 57, Violet 63, V
iolet 77, Violet 93: 1, Violet 97 and JP-A-51-6748
Examples thereof include dyes described in JP-A No. 3 and JP-A-3-72571, and mixtures thereof. For red or purple, those having a molecular weight of 415 to 660 are preferably used.

For blue, green, and brown colors, for example, CIDisp
erse Blue 79, Blue 94, Blue 122, Blue 125, Blue 13
0, Blue 139, Blue 165, Blue 183, Blue 186, Blue 18
7, Blue 200, Blue 205, Blue 207, Blue 224, Blue 25
7, Blue 259, Blue 284, Blue285, Blue 288, Blue 29
1, Blue 295, Blue 301, Blue 354, Blue 365, Blue 36
8, CIDisperse Green 9, CIDisperse Brown 19 and JP-A-53-137229, JP-A-55-108461,
Examples thereof include dyes described in JP-A-61-266466 and the like, and mixtures thereof. For blue, green and brown colorants, those having a molecular weight of 405 to 660 are preferably used.

In the present invention, dyes such as yellow, orange, red, violet, blue, green and brown may be mixed and used at any ratio. The mixing method is not particularly limited, for example, a method of simultaneously atomizing each dye cake together with a dispersant (for example, formalin condensate of sodium naphthalene sulfonate, sodium lignin sulfonate, etc.) with a sand mill, each dye cake. Examples thereof include a method in which each of the above is atomized and then mixed, a method in which a dried atomized product is mixed and the like.

Further, a high speed spun polyester fiber is dyed with the disperse dye for a high speed spun polyester fiber of the present invention,
Printing can be carried out according to, for example, a known method. As a dyeing method, for example, a dye,
Immerse the fiber in a dyebath containing a pH regulator, etc.
Immersion method by dehydration, washing and drying after dyeing with
After padding the dye dispersion on the fiber, the continuous dyeing method by steaming or drying at 100 ℃ or more, washing and drying, and the printing method, for example, a mixture of dye and sizing agent on the fiber And the like. After printing with a screen or the like, drying, heat treatment at 110 to 140 ° C. under high pressure or 150 to 190 ° C. under normal pressure to fix and then wash.
In these methods, a dyeing aid such as a penetrating agent, a defoaming agent, and a reducing inhibitor can also be used if necessary.

[0011]

EFFECTS OF THE INVENTION By using the disperse dye for high speed spinning polyester fiber of the present invention, a dyeing or printing product of a high speed spinning polyester fiber which is highly exhausted of the dye and is excellent in wet fastness can be obtained, and dyeing or printing. Subsequent drainage coloration can also be significantly reduced.

[0012]

EXAMPLES The present invention will be described in detail below with reference to examples, but the present invention is not limited to these examples.
The parts in the examples mean parts by weight.

Example 1 To 1000 parts of water, the dye CIDisperse Yellow 163 (molecular weight
416) After dispersing 2 parts, add acetic acid and sodium acetate
The pH was adjusted to 5 and this was used as a dyebath. Next, high-speed spun polyester fiber woven fabric (Asahi Kasei
KK: 6607) manufactured by K.K.
The temperature was raised to 30 ° C., the temperature was kept at the same temperature for 60 minutes, and then the woven fabric was taken out. Remove the woven fabric from 3000 parts of water and caustic soda.
A dyed product of a high-speed spun polyester fiber woven fabric was obtained by immersing in a treatment liquid consisting of 3 parts, hydrosulfite 3 parts, and betaine-type amphoteric surfactant 3 parts at 80 ° C. for 10 minutes, followed by washing with water and drying.

Further, 100 parts of a normal polyester fiber woven fabric (Tropical, manufactured by Toray Industries, Inc .: Tropical) is immersed in the residual liquid (remaining bath) from which the woven fabric is taken out, and the temperature is raised to 130 ° C. at a rate of 1 ° C./min. After keeping the temperature at the same temperature for 30 minutes, the woven fabric was taken out, washed with water and dried to obtain a residual dyed fabric for checking the residual bath. On the other hand, in place of the high-speed spun polyester fiber woven fabric, an ordinary polyester fiber woven fabric (Tropical, manufactured by Toray Industries, Inc .: tropical) is used. A residual dye cloth for bath check was obtained. Table 1 shows the ratio of the surface concentration of the dyed product to the surface concentration of the dyed product as the dyeing property, and the ratio of the surface concentration of the residual dyed cloth to the surface concentration of the residual dyed cloth as the residual bath property. .

Example 2 Example 1 was repeated except that 2 parts of CIDisperse Orange 30 (molecular weight 449) was used instead of CIDisperse Yellow 163, and the results are shown in Table 1.

Comparative Example 1 The procedure of Example 1 was repeated except that 1 part of the dye CIDisperseYellow 64 (molecular weight 367) was used in place of CIDisperse Yellow 163. The results are shown in Table 1.

[0017]

TABLE 1 Example fraction molecular weight stained with residual bath of Example 1 416 104% 38% Example 2 449 102 44 Comparative Example 1 367 92 85

Examples 3 to 6 and Comparative Examples 2 to 4 Instead of CIDisperse Yellow 163 in Example 1, the dye CIDisperse Red 323 (molecular weight 533) was used.
2 parts, Red 86 (molecular weight 422) 2 parts and Red 279 (molecular weight 5
44) A mixture consisting of 2 parts, 1.4 parts of a dye having a molecular weight of 516 described in JP-A-51-67483 and Red 278 (molecular weight of 471) 1.
Part mixture, 2 parts Violet 77 (molecular weight 440), Red
60 parts (molecular weight 331) and 3 parts of Red 145 (molecular weight 380) 0.8
Red 60 (MW 331) 0.7 part mixture, Violet 2
Example 3 was repeated except that 3 parts of 3 (molecular weight 315) was used, and the results are shown in Table 2.

[0019]

TABLE 2 Example fraction molecular weight stained with residual bath of Example 3 533 107% 31% Example 4 422 + 544 120 32 Example 5 516 + 471 113 30 Example 6 440 105 33 Comparative Example 2 331 97 73 Comparative Example 3 380 + 331 92 69 Comparative Example 4 315 93 81

Example 7, Comparative Example 5 Instead of CIDisperse Yellow 163 in Example 1, the dye CIDisperse Blue 139 (molecular weight 65
6), 3 parts of Red 60 (molecular weight 331), and Teijin
High-speed spinning polyester fiber woven fabric (uw-0474-1)
Was carried out in accordance with Example 1 except that
It was shown to.

[0021]

TABLE 3 Example fraction molecular weight stained with residual bath of Example 7 656 124% 42% Comparative Example 5 331 95 93

Examples 8 to 13 and Comparative Examples 6 to 7 In place of CIDisperse Yellow 163 in Example 1, the dye CIDisperse Blue 139 (molecular weight 65
6), and the molecular weight of 43 described in JP-A-61-266466.
1 part of 3 dye, 3 parts of Blue 284 (molecular weight 479), Blue
165 (molecular weight 405) 1.2 parts, Blue 165 (molecular weight 405)
A mixture of 2.5 parts and Violet 57 (molecular weight 485) 0.5 part, 2 parts Brown 19 (molecular weight 527), Blue 56 (molecular weight 3)
48) and 2.5 parts of Blue 73 (molecular weight 376) were used in accordance with Example 1 and the results are shown in Table 4.

[0023]

TABLE 4 Example fraction molecular weight stained with residual bath of Example 8 656 130% 15% EXAMPLE 9 433 115 31 Example 10 479 104 39 Example 11 405 135 15 Example 12 405 + 485 120 12 Example 13 527 106 35 Comparative Example 6 348 95 86 Comparative Example 7 376 97 82

Claims (2)

[Claims] 1. A disperse dye for high-speed spun polyester fibers, which comprises a disperse dye having a molecular weight of 400 or more. 2. A method for dyeing or printing high-speed spun polyester fibers, which comprises using a disperse dye having a molecular weight of 400 or more.