JP4224146B2 - Disperse dye mixture - Google Patents

Disperse dye mixture Download PDF

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Publication number
JP4224146B2
JP4224146B2 JP07259698A JP7259698A JP4224146B2 JP 4224146 B2 JP4224146 B2 JP 4224146B2 JP 07259698 A JP07259698 A JP 07259698A JP 7259698 A JP7259698 A JP 7259698A JP 4224146 B2 JP4224146 B2 JP 4224146B2
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Prior art keywords
disperse dye
dyeing
dye
yellow
dye mixture
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JPH11269402A (en
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清 姫野
遼一 関岡
慎介 大野
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ダイスタージャパン株式会社
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0033Blends of pigments; Mixtured crystals; Solid solutions
    • C09B67/0041Blends of pigments; Mixtured crystals; Solid solutions mixtures containing one azo dye

Description

【0001】
【産業上の利用分野】
本発明は分散染料混合物に関するもので、詳しくは、耐光堅牢度が優れている上、染色時における染着性、均染性及び高温分散性に優れた、黄色系分散染料混合物に関するものである。
【0002】
【従来の技術】
前示構造式[A]で示される黄色系の分散染料は、ポリエステル繊維を染色した場合の耐光堅牢度が優れた染料として知られている(特公昭36−11339号参照)。ところが、この分散染料はキャリヤー染色時における染着性が十分とは言えない上、一部の染料、例えば、下記構造式で示される赤色系染料などとの相容性が悪く高温分散性にも問題があった。
【0003】
【化3】

Figure 0004224146
【0004】
【化4】
Figure 0004224146
【0005】
【化5】
Figure 0004224146
【0006】
【発明が解決しようとする課題】
本発明は前示構造式[A]で示される黄色系分散染料の優れた耐光堅牢度を維持しつつ、染着性、均染性及び高温分散性を向上させることを目的とするものである。
【0007】
【課題を解決するための手段】
本発明者等は上記実情に鑑み鋭意検討した結果、前示構造式[A]の染料と特定構造を有する黄色系染料とを混合して用いると、単独使用の場合に比べて著しく染色特性が向上することを見い出した。
すなわち、本発明の要旨は、前示構造式[A]で示されるキノフタロン系黄色系分散染料と下記一般式[B]で示されるピリドン系黄色系分散染料を混合してなる分散染料混合物に存する。
【0008】
【化6】
Figure 0004224146
【0009】
(式中、XおよびYは、それぞれ互いに独立して、水素原子、ハロゲン原子又はニトロ基を表し、Xはアゾ基に対して3または4位に、Yはアゾ基に対して2または3位に位置し、そしてRは水素原子またはメチル基を表わす。)
以下、本発明を詳細に説明する。
本発明で使用する分散染料[A]及び[B]成分は、いずれも公知法に従い簡単に製造することができる。前示式[A]染料は、特公昭36−11339号から公知であり、前示式 [B] で表わされる染料は、この式中、Xがニトロ基であり、Yが水素でありそしてRがメチル基であるものは特にC.I.Yellow79として公知であり、他のものはこれの製造方法と同様な方法、つまり下記一般式 [F]
【0010】
【化7】
Figure 0004224146
【0011】
[式中、X及びYは式 [B] に関して定義したのと同じ意味を有する。]
で表わされるアニリン類を常法によりジアゾ化し、そして下記一般式 [G]
【0012】
【化8】
Figure 0004224146
【0013】
[式中、Rは式 [B] に関して定義したのと同じ意味を有する。]
で表わされるキノリン類と常法によりカップリングすることにより得ることができる。
本発明においては、前示式[A]と[B]で示される黄色系分散染料を混合して使用するが、その混合割合は、[A]成分に対して[B]成分が、通常0.1〜5重量倍、好ましくは0.2〜3重量倍、特に好ましくは0.3〜2重量倍であり、このような場合に染着性などの向上効果が特に顕著である。
【0014】
尚、前示一般式[B]において、Xはアゾ基に対して好ましくは4位に位置し、Yはアゾ基に対して好ましくは2位に位置し、またX又はYで示されるハロゲン原子としては、通常、塩素原子である。
本発明では黄色系成分として上述の2種類の分散染料を併用するものであるが、希望する色調の黄色染料を得るために、他の黄色染料を混合することもできる。また希望する色調に染色するために、赤色染料及び青色染料、例えば上記構造式 [C]〜[E] で表わされる染料と配合して染色することもできる。
本発明の分散染料混合物を使用するに当っては、常法により、例えば、ナフタレンスルホン酸−ホルマリン縮合物、リグニンスルホン酸−ホルマリン縮合物などの公知のアニオン系分散剤と混合し、染料ケーキを分散処理して分散染料組成物を調製する必要がある。
【0015】
本発明の分散染料混合物は主としてポリエステル繊維を染色するために用いられる。対象となるポリエステル繊維は単独のものでも、他の繊維との混合品でもよい。
染色方法としては種々の方法が適用できるが、本発明の染料混合物は吸尽染色法に適用した場合に、優れた染着性及び高温分散性を示す。吸尽染色における染色条件は特に限定されず、例えば、染色温度は95〜140℃程度であり、染色浴pHは4〜10.5程度である。
【0016】
【実施例】
次に、本発明を実施例により更に詳細に説明するが、本発明はその要旨を超えない限り以下の実施例に限定されるものではない。
参考例<各分散染料の調製>
(1) 前示構造式[A]の分散染料31gを、メチルナフタリンスルホン酸−ホルマリン縮合物48g、クレゾール−ホルマリン縮合物21g及び水300gと共にサンドグラインダーで5時間湿式粉砕し、スプレー乾燥することにより粉末状染料組成物Aを得た。
【0017】
(2) 下記表1のB−1の分散染料15gを、リグニンスルホン酸−ホルマリン縮合物28g、ナフタリンスルホン酸−ホルマリン縮合物57g及び水300gと共にサンドグラインダーで5時間湿式粉砕し、スプレー乾燥することにより粉末状染料組成物B−1を得た。
(3) 下記表1のB−2の分散染料14gを、リグニンスルホン酸−ホルマリン縮合物28g、ナフタリンスルホン酸−ホルマリン縮合物58g及び水300gと共にサンドグラインダーで5時間湿式粉砕し、スプレー乾燥することにより粉末状染料組成物B−2を得た。
【0018】
(4) 下記表1のB−3の分散染料16gを、リグニンスルホン酸−ホルマリン縮合物27g、ナフタリンスルホン酸−ホルマリン縮合物57g及び水300gと共にサンドグラインダーで5時間湿式粉砕し、スプレー乾燥することにより粉末状染料組成物B−3を得た。
Figure 0004224146
実施例1〜4及び比較例1〜5
参考例で調製したA及びB−1〜B−3の各分散染料組成物を表2に示す割合で配合した混合染料を使用し、下記に示した方法に従って染色試験を各々実施し評価を行なった。結果を表2に示す。
<染色試験>
(1) 高温染色
ポリエステルスパン布を染色濃度1/1N、2/1N、又は1/2Nで、アニオン系均染助剤1g/Lを使用し、酢酸及び酢酸ナトリウムにてpH5.0±0.5に調整し、浴比1:10で135℃、30分間染色を行なった。得られた染布を、苛性ソーダ2g/L、ハイドロサルファイト2g/L、アニオン・ノニオン系界面活性剤1g/Lを用い、80℃で10分間還元洗浄を行なった。
(2) キャリヤー染色
ポリエステルスパン布を染色濃度2/1Nで、アニオン系均染助剤1g/Lを使用し、酢酸及び酢酸ナトリウムにてpH5.0±0.5に調整し、ジフェニル誘導体キャリヤーを8%o.w.f.使用し、浴比1:10で98℃、60分間染色を行なった。得られた染布を、苛性ソーダ2g/L、ハイドロサルファイト2g/L、アニオン・ノニオン系界面活性剤1g/Lを用い、80℃で10分間還元洗浄を行なった後、160℃で2分間乾熱処理を行い、脱キャリヤーを行なった。
(3) パッチィダイイング
カラーペット染色機を用いる均染性評価のための特殊な染色方法である。ポリエステルトロピカル布を円筒形で染液の循環する穴(5ψ)が等間隔で開いているホルダーに巻き付ける。染色濃度1/6Nで、均染助剤を使用せず、酢酸及び酢酸ナトリウムにてpH5.0±0.5に調整し、浴比1:30として各々染色ポットに調製する。これをあらかじめ60℃に加熱されたカラーペット染色機内にセットし、130℃まで約6℃/分で急速に昇温し、その後急速に冷却する。染色後は、水洗し、乾燥する。
<評価方法>
(1) キャリヤー染色性
染色濃度2/1Nにおける高温染色及びキャリヤー染色の各染色布の表面濃度をクベルカ・ムンクの式に従い測定し下式に従って温度依存性を評価した。
【0019】
キャリヤー染色性=(キャリヤー染色における染布の表面濃度/高温染色における表面濃度)×100(%)
(2) 均染性
パッチィダイイングにより得られた染色布の最内層部に形成されるケーシングスポットを下記の基準に従って目視判定した。
【0020】
5級(極めて優れる)−ケーシングスポットが見られない
4級(良好) −わずかにケーシングスポットが見られる
3級(標準) −少しケーシングスポットが見られる
2級(劣る) −かなりはっきりとケーシングスポットが見られる
1級(著しく劣る) −著しくはっきりとケーシングスポットが見られる
(3) 耐光堅牢度
高温染色において染色濃度1/2Nとした場合の染色布を用いて、JISL0842−1971に準じ実施した。
(4) 高温濾過試験(高温分散性−1)
染料1.6g(浴比1:10、4/1N相当)、液量200ml、pH5(硫安及び酢酸で調整)及び均染剤1g/Lで調整した染浴を130℃で60分間空炊きし、冷却後、90℃で100mlずつ分液し、綿ブロード#40(70ψ)、東洋濾紙No.5−A(70ψ)で吸引濾過し、濾過材上の色素分の残量を下記の基準に従って目視判定した。
【0021】
3級(良好) −濾過材上の色素分の残量なし
2級(やや不良) −濾過材上の色素分の残量有り
1級(不良) −濾過材上の色素分の残量著しく多い
(5) 配合使用時の高温濾過試験(高温分散性−2)
前記構造式[C]を有する分散染料6g/lと、表2に記載の実施例1〜4及び比較例1〜5の染料2g/lを配合使用した以外は、高温濾過試験に準じて行ない同様に評価した。
【0022】
【表1】
Figure 0004224146
【0023】
【発明の効果】
本発明の分散染料混合物は、キャリヤー染色性、均染性、耐光堅牢度及び高温分散性等に優れ極めて有用である。[0001]
[Industrial application fields]
The present invention relates to a disperse dye mixture. More specifically, the present invention relates to a yellow disperse dye mixture which is excellent in light fastness and excellent in dyeing property, leveling property and high-temperature dispersibility during dyeing.
[0002]
[Prior art]
The yellow disperse dye represented by the structural formula [A] is known as a dye having excellent light fastness when dyeing polyester fibers (see Japanese Patent Publication No. 36-11339). However, this disperse dye cannot be said to have sufficient dyeability at the time of carrier dyeing, and it is not compatible with some dyes, for example, red dyes represented by the following structural formulas, and also has high temperature dispersibility. There was a problem.
[0003]
[Chemical 3]
Figure 0004224146
[0004]
[Formula 4]
Figure 0004224146
[0005]
[Chemical formula 5]
Figure 0004224146
[0006]
[Problems to be solved by the invention]
The object of the present invention is to improve the dyeing property, leveling property and high temperature dispersibility while maintaining the excellent light fastness of the yellow disperse dye represented by the structural formula [A]. .
[0007]
[Means for Solving the Problems]
As a result of intensive studies in view of the above circumstances, the present inventors have found that when the dye of the structural formula [A] and the yellow dye having a specific structure are mixed and used, the dyeing characteristics are remarkably higher than that of the single use. I found it to improve.
That is, the gist of the present invention resides in a disperse dye mixture obtained by mixing a quinophthalone yellow disperse dye represented by the structural formula [A] and a pyridone yellow disperse dye represented by the following general formula [B]. .
[0008]
[Chemical 6]
Figure 0004224146
[0009]
Wherein X and Y each independently represent a hydrogen atom, a halogen atom or a nitro group, X is in the 3 or 4 position with respect to the azo group, and Y is in the 2 or 3 position with respect to the azo group. And R represents a hydrogen atom or a methyl group.)
Hereinafter, the present invention will be described in detail.
Both the disperse dye [A] and [B] components used in the present invention can be easily produced according to known methods. The dye represented by the formula [A] is known from JP-B 36-11339, and the dye represented by the formula [B] in which X is a nitro group, Y is hydrogen and R Are those in which C. is a methyl group. I. It is known as Yellow 79, and others are the same as the production method thereof, that is, the following general formula [F]
[0010]
[Chemical 7]
Figure 0004224146
[0011]
[Wherein X and Y have the same meaning as defined for formula [B]. ]
Is diazotized by a conventional method, and the following general formula [G]
[0012]
[Chemical 8]
Figure 0004224146
[0013]
[Wherein R has the same meaning as defined for formula [B]. ]
It can be obtained by coupling with a quinoline represented by the general method.
In the present invention, the yellow disperse dyes represented by the above formulas [A] and [B] are mixed and used. The mixing ratio of the [B] component to the [A] component is usually 0. 0.1 to 5 times by weight, preferably 0.2 to 3 times by weight, particularly preferably 0.3 to 2 times by weight, and in such a case, the improvement effect such as dyeing property is particularly remarkable.
[0014]
In the general formula [B], X is preferably located at the 4-position with respect to the azo group, Y is preferably located at the 2-position with respect to the azo group, and a halogen atom represented by X or Y Is usually a chlorine atom.
In the present invention, the above-mentioned two kinds of disperse dyes are used in combination as the yellow component, but other yellow dyes can be mixed in order to obtain a yellow dye having a desired color tone. Moreover, in order to dye | stain to a desired color tone, it can also be dye | stained by mix | blending with red dye and blue dye, for example, the dye represented by the said structural formula [C]-[E].
In using the disperse dye mixture of the present invention, the dye cake is mixed with a known anionic dispersant such as naphthalene sulfonic acid-formalin condensate or lignin sulfonic acid-formalin condensate by a conventional method. It is necessary to prepare a disperse dye composition by a dispersion treatment.
[0015]
The disperse dye mixtures according to the invention are mainly used for dyeing polyester fibers. The target polyester fiber may be a single fiber or a mixture with other fibers.
Although various methods can be applied as the dyeing method, the dye mixture of the present invention exhibits excellent dyeing properties and high-temperature dispersibility when applied to the exhaust dyeing method. The dyeing conditions in exhaust dyeing are not particularly limited. For example, the dyeing temperature is about 95 to 140 ° C., and the dyeing bath pH is about 4 to 10.5.
[0016]
【Example】
EXAMPLES Next, although an Example demonstrates this invention still in detail, this invention is not limited to a following example, unless the summary is exceeded.
Reference example <Preparation of each disperse dye>
(1) By wet-pulverizing 31 g of the disperse dye of the structural formula [A] shown above with a sand grinder for 5 hours together with 48 g of methylnaphthalenesulfonic acid-formalin condensate, 21 g of cresol-formalin condensate and 300 g of water, and then spray drying. A powdered dye composition A was obtained.
[0017]
(2) 15 g of the disperse dye of B-1 in Table 1 below is wet-ground for 5 hours with a sand grinder together with 28 g of lignin sulfonic acid-formalin condensate, 57 g of naphthalene sulfonic acid-formalin condensate and 300 g of water, and spray-dried. As a result, a powdery dye composition B-1 was obtained.
(3) 14 g of the disperse dye of B-2 in Table 1 below is wet-ground in a sand grinder for 5 hours together with 28 g of lignin sulfonic acid-formalin condensate, 58 g of naphthalene sulfonic acid-formalin condensate and 300 g of water, and spray-dried. As a result, a powdery dye composition B-2 was obtained.
[0018]
(4) 16 g of the disperse dye of B-3 in Table 1 below is wet-pulverized with a sand grinder for 5 hours together with 27 g of lignin sulfonic acid-formalin condensate, 57 g of naphthalene sulfonic acid-formalin condensate and 300 g of water, and spray-dried. As a result, a powdery dye composition B-3 was obtained.
Figure 0004224146
Examples 1-4 and Comparative Examples 1-5
Using mixed dyes prepared by blending the disperse dye compositions of A and B-1 to B-3 prepared in Reference Examples in the proportions shown in Table 2, each dyeing test was carried out and evaluated in accordance with the method shown below. It was. The results are shown in Table 2.
<Dyeing test>
(1) A high-temperature dyed polyester spun cloth is dyed at a density of 1 / 1N, 2 / 1N, or 1 / 2N, using an anionic leveling assistant 1g / L, and acetic acid and sodium acetate at pH 5.0 ± 0. And dyeing was performed at 135 ° C. for 30 minutes at a bath ratio of 1:10. The resulting dyed cloth was subjected to reduction washing at 80 ° C. for 10 minutes using 2 g / L of caustic soda, 2 g / L of hydrosulfite, and 1 g / L of anionic / nonionic surfactant.
(2) Carrier dyed polyester spun fabric with an dye level of 2/1 N, anionic leveling assistant 1 g / L, adjusted to pH 5.0 ± 0.5 with acetic acid and sodium acetate, and diphenyl derivative carrier 8% o. w. f. Used and dyed at 98 ° C. for 60 minutes at a bath ratio of 1:10. The obtained dyed fabric was subjected to reduction cleaning at 80 ° C. for 10 minutes using 2 g / L of caustic soda, 2 g / L of hydrosulfite and 1 g / L of anionic / nonionic surfactant, and then dried at 160 ° C. for 2 minutes. Heat treatment was performed to remove the carrier.
(3) This is a special dyeing method for leveling evaluation using a patchy dyeing color pet dyeing machine. A polyester tropical cloth is wound around a holder that is cylindrical and has holes (5ψ) through which the dye liquor circulates at equal intervals. Adjust to pH 5.0 ± 0.5 with acetic acid and sodium acetate without using a leveling assistant at a dyeing concentration of 1 / 6N, and prepare each dyeing pot as a bath ratio of 1:30. This is set in a color pet dyeing machine preheated to 60 ° C., rapidly heated to 130 ° C. at about 6 ° C./min, and then rapidly cooled. After dyeing, wash with water and dry.
<Evaluation method>
(1) Carrier dyeing property The surface density of each dyed fabric of high-temperature dyeing and carrier dyeing at a dyeing density of 2 / 1N was measured according to Kubelka-Munk equation, and the temperature dependency was evaluated according to the following equation.
[0019]
Carrier dyeability = (surface density of dyed fabric in carrier dyeing / surface density in high temperature dyeing) × 100 (%)
(2) The casing spot formed in the innermost layer portion of the dyed cloth obtained by level dyeing patchy dying was visually determined according to the following criteria.
[0020]
Grade 5 (very good)-Grade 4 (good) with no casing spots-Grade 3 with slight casing spots (standard)-Grade 2 with little casing spots (inferior)-Quite clearly the casing spots 1st grade (remarkably inferior)-The casing spot is remarkably clearly seen (3) Light fastness It was carried out according to JIS L0842-1971 using a dyed cloth with a dyeing density of 1/2 N in high-temperature dyeing.
(4) High temperature filtration test (high temperature dispersibility-1)
Dye bath adjusted with 1.6 g of dye (equivalent to bath ratio 1:10, 4 / 1N), 200 ml of liquid, pH 5 (adjusted with ammonium sulfate and acetic acid) and leveling agent 1 g / L, boiled at 130 ° C. for 60 minutes. After cooling, 100 ml each was separated at 90 ° C., cotton broad # 40 (70ψ), Toyo Roshi No. Suction filtration was performed with 5-A (70ψ), and the remaining amount of the dye on the filter medium was visually determined according to the following criteria.
[0021]
3rd grade (good)-No remaining amount of pigment on filter media 2nd grade (slightly bad)-Amount of remaining pigment content on filter media 1st grade (bad)-Remaining amount of pigment on filter media is remarkably large (5) High temperature filtration test when blended (high temperature dispersibility -2)
Except for blending and using 6 g / l of the disperse dye having the structural formula [C] and 2 g / l of the dyes of Examples 1 to 4 and Comparative Examples 1 to 5 shown in Table 2, the test is performed according to the high temperature filtration test. Evaluation was performed in the same manner.
[0022]
[Table 1]
Figure 0004224146
[0023]
【The invention's effect】
The disperse dye mixture of the present invention is excellent in carrier dyeability, level dyeability, light fastness, high temperature dispersibility and the like and is extremely useful.

Claims (2)

下記構造式[A]
Figure 0004224146
で示される黄色系分散染料を含む分散染料混合物であって、更に追加成分として下記一般式[B]
Figure 0004224146
(式中、XおよびYは、それぞれ互いに独立して、水素原子、ハロゲン原子又はニトロ基を表し、Xはアゾ基に対して3または4位に、Yはアゾ基に対して2または3位に位置し、そしてRは水素原子またはメチル基を表わす。)
で示される黄色系分散染料を含むことを特徴とする上記分散染料混合物。
The following structural formula [A]
Figure 0004224146
A disperse dye mixture containing a yellow disperse dye represented by the following general formula [B]
Figure 0004224146
Wherein X and Y each independently represent a hydrogen atom, a halogen atom or a nitro group, X is in the 3 or 4 position relative to the azo group, and Y is the 2 or 3 position relative to the azo group And R represents a hydrogen atom or a methyl group.)
The above-mentioned disperse dye mixture comprising a yellow disperse dye represented by
上記構造式 [A] で表わされる黄色系分散染料に対して0.1〜5重量倍の量で上記一般式[B]で示される黄色系分散染料を含むことを特徴とする請求項1の分散染料混合物。The yellow disperse dye represented by the general formula [B] is contained in an amount of 0.1 to 5 times by weight with respect to the yellow disperse dye represented by the structural formula [A]. Disperse dye mixture.
JP07259698A 1998-03-20 1998-03-20 Disperse dye mixture Expired - Fee Related JP4224146B2 (en)

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