JPS6131469A - Disperse dye composition - Google Patents

Abstract

PURPOSE:To obtain the titled composition enabling the continuous dyeing, printing or ink-jet dyeing of a polyester fuber material without necessitating the washing of the material, and giving a dyed product having satisfactory fastness and texture, by adding specific amounts of a dispersant and a water-repellent to a disperse dye. CONSTITUTION:The objective composition can be prepared by compounding (A) a disperse dye, (B) 5-50% dispersant, preferably an anionic dispersant such as the surface acid ester of the ethylene oxide adduct of styrenated phenol, etc., or a nonionic dispersant such as the ethylene oxide adduct of a polycyclic aromatic compound (based on the component A) and (C) preferably 0.3-20g/l (preferably an amount to give a water-repellency of <=70 points) of a water- repellent, e.g. a fluorine-containing compound such as the compound of formula CF3(CF2)7(CH2)OCOCH=CH2 or a silicon-containing compound such as polydimethylsiloxane.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a dye composition that can dye synthetic resin molded articles with high fastness without the need for washing by methods such as dip dyeing, printing, and inkjet. .

[Conventional technology]

Conventionally, as an example, the process of continuous dyeing of polyester fibers/fiber structures is as follows: padding - drying - fixing - washing - washing - hot water washing - water washing - drying - a. The process is long and complicated. In particular, by incorporating a washing step for the purpose of increasing the fastness by 1q, four steps of washing, hot water washing, cold water washing, and drying are required, which requires labor and energy such as a large amount of water and steam. Therefore, there is a desire for professional wrestling that does not require cleaning and has a shortened process.
has been proposed.

However, it is difficult to satisfy both color fastness and soft texture, especially if washing treatment is not performed. When water is applied to the final product, the residual material also moves as the water moves, and the so-called "kiwatsuki" phenomenon occurs, where the traces are visible to the naked eye.

Possible measures to improve the appearance of scratches are (1) applying a coating treatment with resin to prevent migration of unfixed dyes and dispersants;

Since this generally hardens the texture, the types of textiles are limited.

(2) Decompose unfixed dye I and dispersant.

This is possible with plasma treatment, but it is difficult to control because the dyed dye is also decomposed.

(Problems to be Solved by the Invention) The present invention relates to synthetic resin molded products, particularly polyester-based Ifi#
To provide a dye composition that can be used to dye structures in a shortened process that does not require washing, and that also has excellent dye fastness and flexibility.

(Means for solving the problem) (1) At least 5% for the disperse dyestuff and the dispersed dyestuff.
A disperse dye composition comprising ~50% of three types: a dispersant and a water repellent.

In the present invention, a shortened process that does not require cleaning can be achieved for the first time by using a disperse dye composition containing a small amount of a dispersant in combination with a water repellent. 1. In other words, if the dispersant is contained in an amount equal to or more than the dye (100% or more) as in conventional dye 1, the fixation property due to the dispersant may decrease, and the color development due to the dispersant may decrease (the dispersant may cause coloring). In addition, a cleaning step is required to remove unnecessary dispersant. The purpose of the present invention is to omit the washing step, and to achieve high fixation and color development as well as prevention of scratches.

The disperse dye base material of the present invention is polyester type 11i111
can be dyed. The dispersant is a substance that disperses the disperse dye raw material, and may be either an anionic compound or a nodionic compound. In order to disperse the disperse dye base material with a small amount of dispersant (5 to 50%), for anionic systems, sulfate ester salt of ethylene oxide adduct of styrenated phenol, sulfuric acid ester salt of ethylene oxide adduct of naphthalene, etc. Polycyclic aromatic anionic dispersants such as ester salts, non-ionic types include Pluronic type, polycyclic aromatic ethylene oxide adducts, etc., but are not limited to these, and small amounts of dispersants This includes everything that can be decentralized. The m content of the dispersant is 5 to 50%, preferably 20 to 50%, based on the disperse dye base material. This range is particularly good in terms of high adhesion and dispersion stability.

The water repellent used in the present invention is generally a fluorine-containing compound or a silicon-containing compound. Examples of the fluorine-containing compound include various conventionally known compounds without particular limitation. For example, CF3 (CF2 > 7 (CH2
)0COCto1=CH2CF3〈CF
2)4 (CH2)oC〇-C(CH3) = C
112 CF5-CF(CF2)e(Clh)s
0CO-CFs
-CI-1= CH2CF3 (CF2
)rso2 N(03Hz) -(CH2)20GOC
I-4=Cl12CF5-CF (CF2)
e CH2Cto1(OH)-CF s
'-C)-b
3 to 20 carbon atoms, such as OCOCH= CI”2,
A polymer of unsaturated esters represented by acrylates or methacrylates, preferably containing 4 to 15 perfluoroalkyl groups, or 1 q of a polymerized compound containing such unsaturated esters and no fluoroalkyl groups. or a copolymer with two or more of them.

The silicon-containing compound may be polydimethylsiloxane, polymethylhydrodienesiloxane, a modified product based on these, or a compound having a functional group. Polysiloxanes usually have a viscosity of 5 to 100. 00
A material with a density of about 0 centistokes, preferably 20 to 1000 centistokes, is used. Other water repellents include wax-based and paraffin-based water repellents, but are not limited to these, and may be appropriately selected based on the decrease in color fastness and compatibility with dyes. In particular, fluorine-containing compound and nonionic 1-mulsion is the best. In addition, water repellent (JIS L-1079) must be maintained while using water repellent.
It may be adjusted so that the value is 50 points or more, preferably 70 points or more, and the blending amount for this purpose is 0.3 to 200/Q.

Of course, the main ingredients are disperse dye base material, dispersant, and water repellent, but in addition to these, water-soluble polymer resins for the purpose of preventing migration, glycols for the purpose of preventing dryness, etc. Antifoaming agents and penetrants may be added as appropriate.

The aqueous disperse dye composition may be applied by any of a pad method such as a continuous dyeing method, a printing method, a coating method, and an inkjet method in which droplets are applied. However, in printing methods and coating methods that require thickening, the use of glues and resins with a lower solid content results in fewer changes in texture and lower color fastness. Examples include emulsion glue, alkali-thickening type acrylic resin, and combinations thereof.

After applying the dye liquid, it is sufficient to fix and develop the color by a usual fixing method, which may be dry heat, superheated steam, or saturated steam.

The polyester fibers used in the present invention refer to all fibers whose main constituent units are ester bonds, including those copolymerized with dyeable sheets such as those dyeable with cation dyes and those dyeable with acid dyes.
It contains all modified polynisder fibers copolymerized or blended with other acid components and glycol components. Moreover, the form is not limited to woven fabrics, knitted fabrics, the amount of mixing thereof, and the forms of Fell 1 to 1.

〔Example〕

Example 1 A woven fabric (texture: Zaten) made of polyester fibers was treated with the dye composition shown below in a normal process, that is, padding.
Drying - dry heat hardening @ 200° C. for 90 seconds, then color fastness and texture were measured without washing, and the results are shown in Table 1.

(Dye composition) Kayalon polyester Rubine
GL SE (E1 Honkayakugi double-dispersion dyeing 1!l)
Add 1 part of sulfate of ethylene oxylide adduct of styrenated phenol to 3 parts of raw dye and a dispersant to 1 part of raw dye.
Five levels of 0%, 20%, 30%, 50%, and 100% were adjusted with water to a total of 1100 parts. Next, 10 glass peas
Mix 100cc (1φ) and grind with a Nando grinder for 2
Dispersion treatment was carried out at 000 rpm for 5 hours. Thereafter, a 1t10 level dye solution was prepared with or without addition of Asahi Guard AG710 (Asahi Glass Co., Ltd.) 10q/Q as a fluorine-containing water repellent to this dye solution. After pad-drying and hardening with dry heat as a normal continuous dyeing method, the color fastness and texture were measured without washing and are shown in Table 1.

For comparison, we also used a conventional dye, that is, Kayalon polyest, which is the same type as the original material and has a very large amount of dispersant.
er Rubine G1--8E 60CJ/Q
Pad-drying-dry heat fixing was carried out in the same manner using the same method, and the results are shown in Table 1.

As shown in Table 1, the method of the present invention can satisfy both color fastness and texture without washing. In particular, the present invention can provide the effect of preventing scratches without reducing the fastness to dry cleaning. In general, the smaller the amount of dispersant, the better the fastness and texture, but on the other hand, the dispersibility tends to decrease. In particular, the amount of dispersant is 30% or less, preferably 20 to 30%, based on the dye.
is within the range of

Example 2 Spun fabric (111tA:
Using the glue and dye composition shown below,
Hand stamped on a 100 meter screen. Next, a wet heat treatment was performed using superheated steam (+-IT-8) at 180° C. for 8 minutes to develop a fixed color. -, the same items as in Example 1 were measured without washing treatment, and the results are shown in Table 2.

(1) Thickening agent △) Preparation of T-mulsion glue Mineral spirit 70 parts Emulsifier: Levitol G (manufactured by I Industry Nei 1) 3 parts
27 parts and 100 parts were stirred with a mixer to prepare a 0/W type 1-mulsion.

B) Creation of alkali thickened acrylic resin PRIMAL
ASE-60 (manufactured by R&H) 16.4 parts Sodium hydroxide (10%) 8.4 parts 9-7
Thickening is obtained by dissolving 5,2 to 100 parts of PRIMAL ASE-60 in water and gradually neutralizing with sodium hydroxide.

Next, a half emuldimine paste was prepared by blending the two types of pastes in a ratio of A:B=7:3.

(2) Dye composition 3 parts of the same dye base material as in Example 1 and 30% of nonionic Pluronic F108 (manufactured by Kadenka Co., Ltd.) as a dispersant were added to dye t1, and the same dispersion as in Example 1 was made. processing was performed.

(a) (b) Dye 20
Part 20 parts Half 1 Margillon 70 parts
70 parts water repellent (Asahi Silicone 5M8702>5 parts - (Asahi Guard AG-710) - 5 parts water 5 parts 5 parts 100 parts 100 parts The results are shown in Table 2. Even when the agent is added, the effects of the present invention are not reduced, and both color fastness and texture can be satisfied.

〔Effect of the invention〕

The present invention eliminates the need for a washing process during continuous dyeing, printing, and inkjet dyeing of polyester fiber structures, and
It has the characteristics of satisfying both fastness and texture. Moreover, according to the present invention, not only is the cost reduced due to omission, but also the process is shortened and the process is reproducible, making it an ideal dye composition and dyeing method.

Claims (1)

[Claims] (1) At least 5% for the disperse dyestuff and the dispersed dyestuff.
A disperse dye composition comprising ~50% of three types: a dispersant and a water repellent.