JP3032591B2 - Water-insoluble dye mixture - Google Patents
Water-insoluble dye mixtureInfo
- Publication number
- JP3032591B2 JP3032591B2 JP3033149A JP3314991A JP3032591B2 JP 3032591 B2 JP3032591 B2 JP 3032591B2 JP 3033149 A JP3033149 A JP 3033149A JP 3314991 A JP3314991 A JP 3314991A JP 3032591 B2 JP3032591 B2 JP 3032591B2
- Authority
- JP
- Japan
- Prior art keywords
- dye
- dyeing
- monoazo
- water
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Description
【0001】[0001]
【産業上の利用分野】本発明は、水不溶性染料混合物に
関するもので、詳しくは、高温で苛酷な条件でもポリエ
ステル繊維等を均一に染色することができ、しかも、p
H依存性に優れた赤色系の水不溶性モノアゾ染料混合物
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water-insoluble dye mixture, and more particularly, it can uniformly dye polyester fibers and the like even under severe conditions at high temperatures.
The present invention relates to a red water-insoluble monoazo dye mixture having excellent H dependency.
【0002】[0002]
【従来の技術】近年、ポリエステル繊維類の染色法とし
て、液流染色法、チーズ染色法又はパッケージ染色法が
広く採用されているが、これら染色法の場合、緻密に巻
かれた被染物の層内に染色分散液を強制循環させる必要
があるため、ここで用いる水不溶性の分散染料として
は、各種堅牢度が優れている他、分散安定性の良好なも
のが要求される。特に、最近、染色浴比の低下、分散剤
使用量の低下及び染色温度の高温化など、染色条件が苛
酷になってきているので、従来、分散安定性について問
題とされていなかった分散染料についても問題となる場
合がある。前記式〔I〕で示されるモノアゾ染料の場合
も、各種堅牢度は優れているものの、上記のような染色
条件においては分散安定性が不良であった。2. Description of the Related Art In recent years, a jet dyeing method, a cheese dyeing method or a package dyeing method has been widely adopted as a dyeing method for polyester fibers. In the case of these dyeing methods, a finely wound layer of a material to be dyed is used. Since it is necessary to forcibly circulate the dyeing dispersion liquid therein, the water-insoluble disperse dye used here is required to have various fastnesses and good dispersion stability. In particular, recently, since the dyeing conditions have become severe, such as a decrease in the dyeing bath ratio, a decrease in the amount of the dispersant used, and an increase in the dyeing temperature, regarding disperse dyes which have not been a problem with regard to dispersion stability. Can also be a problem. In the case of the monoazo dye represented by the formula [I] as well, although various fastnesses were excellent, the dispersion stability was poor under the above-mentioned dyeing conditions.
【0003】[0003]
【発明が解決しようとする課題】本発明者等は上記実情
に鑑み、前記式〔I〕で示される2種類の構造のモノア
ゾ染料の分散安定性を改善すべく検討を行なったとこ
ろ、前記式を有する化合物であっても特定の結晶型を持
つ場合には、分散安定性が著しく優れていることを見い
出し、先に特許出願を行なった。(特願平1−3036
09号及び同1−303610号)ところが、引き続く
検討によれば、この特定の結晶型を持つ前記式〔I〕で
示される2種類の構造のモノアゾ染料は各々、単独で用
いた場合、染色時における温度依存性が若干、劣ること
が判明した。DISCLOSURE OF THE INVENTION In view of the above circumstances, the present inventors have studied to improve the dispersion stability of monoazo dyes having two types of structures represented by the above formula [I]. In the case where a compound having a specific crystal form is used, it has been found that the dispersion stability is remarkably excellent, and a patent application has been filed. (Japanese Patent Application No. 1-3036
No. 09 and No. 1-303610) However, according to the subsequent studies, the monoazo dyes having the specific crystal form and having two types of structures represented by the above formula [I], when used alone, show a problem in dyeing. Was found to be slightly inferior in temperature dependency.
【0004】本発明は、前記式〔I〕で示される2種類
の構造のモノアゾ染料の染色時における温度依存性を改
善することを目的とするものであり、本発明者等が更に
検討を行なった結果、前記式〔I〕で示されかつ特定の
結晶型を持つ2種類のモノアゾ染料を特定の割合で混合
して使用する時には温度依存性が大幅に改善されること
を見い出した。An object of the present invention is to improve the temperature dependency during dyeing of a monoazo dye having two types of structures represented by the formula [I], and the present inventors have further studied. As a result, it has been found that when two types of monoazo dyes represented by the above formula [I] and having a specific crystal form are mixed and used in a specific ratio, the temperature dependency is greatly improved.
【0005】[0005]
【課題を解決するための手段】本発明の要旨は、前記
式〔I〕に於けるRが−C3 H6 OCH3 である染料
で、かつ回折角(2θ)約6.6°に最も強いピーク、
更に約11.4°、31.6°及び33.8°に3本の
弱いピークを示すX線回折図(CuKα)により特徴づ
けられる結晶変態を有するモノアゾ染料と、前記式
〔I〕に於けるRが−C2 H4 OC2 H4 OHである染
料で、かつ回折角(2θ)約6.2°、14.5°及び
約25.2°に3本の強いピーク、更に約18.2°及
び19.4°に2本の中間ピークを示すX線回折図(C
uKα)により特徴づけられる結晶変態を有するモノア
ゾ染料とを2:8〜8:2重量比で混合してなる水不溶
性染料混合物に存する。SUMMARY OF THE INVENTION The means for solving the problem] is a dye wherein in the formula [I] wherein R is -C 3 H 6 OCH 3, and diffraction angle (2 [Theta]) most about 6.6 ° Strong peak,
Further, a monoazo dye having a crystal modification characterized by an X-ray diffraction pattern (CuKα) showing three weak peaks at about 11.4 °, 31.6 ° and 33.8 °, and a compound represented by the formula [I] R is -C 2 H 4 OC 2 H 4 OH, and three strong peaks at diffraction angles (2θ) of about 6.2 °, 14.5 ° and about 25.2 °, and about 18 X-ray diffraction diagrams showing two intermediate peaks at 0.2 ° and 19.4 ° (C
a water-insoluble dye mixture of a monoazo dye having a crystalline modification characterized by uKα) in a weight ratio of 2: 8 to 8: 2.
【0006】以下、本発明の内容について詳細に説明す
る。本発明において、前記式〔I〕で示されるモノアゾ
染料は、Rが−C3 H6 OCH3 の場合と−C2 H4 O
C2 H4 OHの場合の2種類の構造を含むが、各染料は
通常、2−シアノ−4−ニトロアニリンを常法によりジ
アゾ化し、次いで、これを水性媒体中、−5〜15℃、
好ましくは−5〜5℃の温度で0.5〜10時間程度、
各々、対応するピリジン系カップラーとカップリング反
応することにより合成することができる。しかし、ここ
で得られた前記式〔I〕で示されるモノアゾ化合物のケ
ーキはRが−C3 H6 OCH3 の場合及び−C2H4 O
C2 H 4 OHの場合のいずれもほぼ無定型に近い結晶変
態であるので、本発明では更に、各ケーキを特定条件下
で処理することにより上述した特定の結晶型とする必要
がある。この処理方法としては、通常、カップリング反
応で得られたケーキを水媒体中に分散し、場合によ
り、ナフタレンスルホン酸のホルムアルデヒド縮合物、
リグニンスルホン酸ソーダが主成分であるサルファイト
パルプ廃液の濃縮物等の分散剤の存在下、60〜130
℃、好ましくは80〜100℃の温度で0.5〜30時
間、好ましくは1〜10時間、攪拌処理する方法、又は
メタノール、エタノール又はブタノールなどのアルコ
ール類、ジオキサンなどのエーテル類、エチレングリコ
ール、グリコールエーテル等の有機溶媒中に分散し、1
5〜100℃、好ましくは20〜80℃の温度で0.5
〜10時間程度、攪拌処理する方法が採用される。本発
明では、通常、前記式〔I〕で示される2種類の構造の
モノアゾ化合物を別々に処理するが、場合により、夫々
対応する各カップリング成分を混合して使用し、カップ
リング反応による前記式〔I〕で示される2種類の構造
のモノアゾ染料の合成を同一系内で実施して染料混合物
を取得し、引き続きこの混合物を同時に処理してもよ
い。Hereinafter, the contents of the present invention will be described in detail.
You. In the present invention, the monoazo compound represented by the formula [I]
As for the dye, R is -CThreeH6OCHThreeAnd -CTwoHFourO
CTwoHFourIncluding two structures for OH, each dye is
Usually, 2-cyano-4-nitroaniline is prepared by a conventional method.
Azotization and then in an aqueous medium at −5 to 15 ° C.
Preferably at a temperature of -5 to 5C for about 0.5 to 10 hours,
Each has a corresponding pyridine-based coupler and coupling
It can be synthesized by responding. But here
Of the monoazo compound represented by the formula [I]
R is -CThreeH6OCHThreeAnd -CTwoHFourO
CTwoH FourIn any case of OH, the crystal transformation is almost amorphous.
In the present invention, each cake is further subjected to specific conditions.
Need to be treated with the above-mentioned specific crystal type
There is. This processing method usually involves a coupling reaction.
The resulting cake is dispersed in an aqueous medium and
Formaldehyde condensate of naphthalenesulfonic acid,
Sulfite mainly composed of sodium lignin sulfonate
60 to 130 in the presence of a dispersant such as a pulp waste liquid concentrate
° C, preferably at a temperature of 80 to 100 ° C for 0.5 to 30 hours
For a period of time, preferably 1 to 10 hours, or
Alcohols such as methanol, ethanol or butanol
, Ethers such as dioxane, ethylene glycol
Dispersed in an organic solvent such as
0.5 to 100 ° C., preferably 20 to 80 ° C.
A method of stirring for about 10 to 10 hours is employed. Departure
In general, two types of structures represented by the formula [I]
The monoazo compounds are treated separately, but each
Mix and use each corresponding coupling component
Two types of structures represented by the above formula [I] by a ring reaction
Synthesis of monoazo dyes in the same system
And then treat this mixture simultaneously.
No.
【0007】次に、本発明で特定する結晶型について図
面により説明する。図1及び図2は粉体X線回折法にお
けるCuKα線による回折状態をプロポーショナルカウ
ンターを使用して記録したX線回折図であり、横軸は回
折角(2θ)、縦軸は回折強度を示し、図1は前示式
〔I〕に於けるRが−C3 H6 OCH3 であるモノアゾ
染料の場合の本発明の結晶型であり、また、図2は前示
式〔I〕に於けるRが−C2 H4 OC2 H4 OHである
モノアゾ染料の場合の本発明の結晶型である。いずれ
も、所定の回折角(2θ)にピークを持つことが判る。
なお、X線回折法による回折角は、同一結晶型のもので
あれば、±0.1°程度の誤差で常に一致するものであ
る。Next, the crystal type specified in the present invention will be described with reference to the drawings. 1 and 2 are X-ray diffraction diagrams obtained by recording the state of diffraction by CuKα radiation in a powder X-ray diffraction method using a proportional counter. The horizontal axis indicates the diffraction angle (2θ), and the vertical axis indicates the diffraction intensity. FIG. 1 shows the crystal form of the present invention in the case of a monoazo dye in which R in the formula [I] is -C 3 H 6 OCH 3 , and FIG. 2 shows the crystal form in the formula [I]. It takes a crystalline form of the present invention where R is a monoazo dye is -C 2 H 4 OC 2 H 4 OH. It can be seen that each has a peak at a predetermined diffraction angle (2θ).
Note that the diffraction angles obtained by the X-ray diffraction method always coincide with each other with an error of about ± 0.1 ° for the same crystal type.
【0008】本発明においては、前示式〔I〕で示さ
れ、かつ特定の結晶型を有する2種類の赤色系モノアゾ
染料を混合して使用することを必須の要件とする。その
混合割合は、前示式〔I〕に於けるRが−C3 H6 OC
H3 である染料:−C2 H4 OC2 H4 OHである染料
が2:8〜8:2重量比、好ましくは3:7〜7:3重
量比である。この混合割合は、どちらか一方の成分が多
過ぎても少な過ぎても、染色時における温度依存性を十
分に改善することはできない。なお、本発明において
は、目的とする色調を達成するために、その他の各種染
料を適宜配合して使用することは差し支えない。In the present invention, it is an essential requirement that two types of red monoazo dyes represented by the above formula [I] and having a specific crystal form be mixed and used. The mixing ratio is such that R in the formula [I] is -C 3 H 6 OC
H 3 in which dye: -C 2 H 4 OC 2 H 4 OH dye is 2: 8 to 8: 2 weight ratio, preferably 3: 7 to 7: 3 by weight. If the mixing ratio is too large or too small, the temperature dependency at the time of dyeing cannot be sufficiently improved. In the present invention, other various dyes may be appropriately blended and used in order to achieve a desired color tone.
【0009】本発明のピリジン系のモノアゾ染料混合物
により染色しうる繊維類としては、通常、ポリエチレン
テレフタレート、テレフタル酸と1,4−ビス−(ヒド
ロキシメチル)シクロヘキサンとの重縮合物などよりな
るポリエステル繊維、あるいは木綿、羊毛などの天然繊
維と上記ポリエステル繊維との混紡品、混織品が挙げら
れる。The fibers which can be dyed with the pyridine-based monoazo dye mixture of the present invention are usually polyester fibers comprising polyethylene terephthalate, a polycondensate of terephthalic acid and 1,4-bis- (hydroxymethyl) cyclohexane, and the like. Or a blend of natural fibers such as cotton and wool and the above-mentioned polyester fibers, and a blended fabric.
【0010】本発明の染料混合物を用いてポリエステル
繊維を染色するには、常法により分散剤としてナフタレ
ンスルホン酸とホルムアルデヒドとの縮合物、高級アル
コール硫酸エステル、高級アルキルベンゼンスルホン酸
塩などを用いて、水性媒質中に分散させた染色浴または
捺染糊を調製し浸染又は捺染を行なうことができる。ま
た、例えば浸染の場合、上述のような高温染色法、キャ
リヤー染色法、サーモゾル染色法などの染色処理法を適
用することができ、しかもこれらの方法で苛酷な染色条
件を採用しても、本発明のモノアゾ染料混合物は分散安
定性及びpH依存性に優れているので、ポリエステル繊
維ないしはその混紡品を良好に染色することができる。
具体的には、ポリエステル繊維類を染色温度125〜1
40℃、染浴比が15倍以下、染料に対する分散剤の使
用割合が3重量倍以下の苛酷な条件下で、水性媒体中、
分散剤の存在下で吸尽染色することも可能である。な
お、場合により染色浴にギ酸、酢酸、リン酸、硫酸アン
モニウムなどの酸性物質を添加すれば、更に好結果が得
られる。To dye polyester fibers using the dye mixture of the present invention, a condensate of naphthalenesulfonic acid and formaldehyde, a higher alcohol sulfate, a higher alkylbenzene sulfonate, or the like is used as a dispersant in a conventional manner. A dye bath or printing paste dispersed in an aqueous medium can be prepared and dyed or printed. In the case of dip dyeing, for example, dyeing methods such as the high-temperature dyeing method, carrier dyeing method, and thermosol dyeing method described above can be applied. Since the monoazo dye mixture of the present invention is excellent in dispersion stability and pH dependency, it is possible to dye polyester fibers or their blends well.
Specifically, polyester fibers are dyed at a temperature of 125 to 1
Under severe conditions of 40 ° C., a dye bath ratio of 15 times or less, and a use ratio of a dispersant to a dye of 3 times or less, in an aqueous medium,
Exhaustion dyeing in the presence of a dispersant is also possible. In some cases, more favorable results can be obtained by adding an acidic substance such as formic acid, acetic acid, phosphoric acid, or ammonium sulfate to the dyeing bath.
【0011】[0011]
【実施例】次に、本発明を実施例によって更に具体的に
説明するが、本発明はその要旨を超えない限り、以下の
実施例の記述に制約されるものではない。EXAMPLES Next, the present invention will be described more specifically with reference to examples, but the present invention is not limited to the description of the following examples unless it exceeds the gist of the present invention.
【0012】製造例1 2−アニリノ−3−シアノ−4−メチル−6−(γ−メ
トキシプロピルアミノ)−ピリジン3.0gを15%硫
酸300ml中に0〜3℃で溶解させカップリング成分溶
液とした。2−シアノ−4−ニトロアニリン1.6gを
43%ニトロシル硫酸3.3gと80%硫酸5gの混合
物中に0〜3℃で加えジアゾ化を行ない、ジアゾ化溶液
とした。このジアゾ化溶液を前記カップリング成分溶液
中に0〜5℃で滴下し、次いで、酢酸ソーダでpH4.
5とし、1時間、同温度で攪拌し、析出した結晶を濾
別、水洗乾燥して、前記式〔I〕に於てRが−C3H6
OCH3 である化合物の赤色結晶4.5gを得た。次い
で、得られたケーキを、10倍容量の水中に分散させ、
90〜95℃で3時間攪拌し結晶の転移を行なった。結
晶転移後、濾過、乾燥を行ない、得られた結晶をX線回
折法により分析したところ、図1のX線回折図を示す結
晶変態であった。Production Example 1 A coupling component solution was prepared by dissolving 3.0 g of 2-anilino-3-cyano-4-methyl-6- (γ-methoxypropylamino) -pyridine in 300 ml of 15% sulfuric acid at 0 to 3 ° C. And 1.6 g of 2-cyano-4-nitroaniline was added to a mixture of 3.3 g of 43% nitrosylsulfuric acid and 5 g of 80% sulfuric acid at 0 to 3 ° C. to perform diazotization to obtain a diazotized solution. This diazotized solution is added dropwise to the coupling component solution at 0 to 5 ° C., and then the pH is adjusted to pH 4 with sodium acetate.
5 and then, 1 hour, and stirred at the same temperature, crystals precipitated are collected by filtration, washed with water dried, the formula R is -C At a [I] 3 H 6
4.5 g of red crystals of the compound being OCH 3 were obtained. Next, the obtained cake was dispersed in 10 times the volume of water,
The mixture was stirred at 90 to 95 ° C. for 3 hours to perform crystal transition. After the crystal transformation, filtration and drying were performed, and the obtained crystals were analyzed by an X-ray diffraction method. As a result, a crystal modification shown in the X-ray diffraction diagram of FIG. 1 was obtained.
【0013】製造例2 製造例1において、カップリング成分として、2−アニ
リノ−3−シアノ−4−メチル−6−ヒドロキシエトキ
シエチルアミノピリジン3.2gを用いた以外製造例1
と同様にカップリング反応及び結晶転移を行ない、前記
式〔I〕に於てRが−C2 H4 OC2 H4 OHである化
合物で、かつ図2のX線回折図を持つ赤色結晶を得た。Production Example 2 Production Example 1 was the same as Production Example 1 except that 3.2 g of 2-anilino-3-cyano-4-methyl-6-hydroxyethoxyethylaminopyridine was used as the coupling component.
Performs coupling reaction and crystal transition in the same manner as in the formula [I] Te at R is -C 2 H 4 OC 2 H 4 OH compounds, and the red crystals having a X-ray diffraction diagram of Figure 2 Obtained.
【0014】実施例1 上記製造例1で得た染料60重量部と上記製造例2で得
た染料40重量部を混合した染料0.2gをナフタレン
スルホン酸−ホルムアルデヒド縮合物0.6gおよび高
級アルコール硫酸エステル0.6gを含む水1リットル
中に分散させて染色浴を調製した。この染色浴にポリエ
ステル繊維100gを浸漬し、130℃で60分間染色
した後、ソーピング、水洗および乾燥を行なった。その
結果、いずれも、染料の分散性は良好であり、染布への
均一な染色がなされ、また、得られた染布は青味赤色
で、耐光堅牢度6級、耐摩擦堅牢度5級と良好なもので
あった。次に、使用染料の温度依存性を調べるために、
上記染色において、染色温度を120℃とした以外同様
に染色を実施し、130℃染色の場合に対する120℃
染色の場合の温度依存性を両染布の染着率を比較するこ
とにより求めたところ温度依存性は85%であった。EXAMPLE 1 0.2 g of a dye obtained by mixing 60 parts by weight of the dye obtained in Preparation Example 1 and 40 parts by weight of the dye obtained in Preparation Example 2 was mixed with 0.6 g of a naphthalenesulfonic acid-formaldehyde condensate and a higher alcohol. The dyeing bath was prepared by dispersing in 1 liter of water containing 0.6 g of sulfate ester. After 100 g of polyester fiber was immersed in this dyeing bath and dyed at 130 ° C. for 60 minutes, soaping, washing and drying were performed. As a result, in each case, the dispersibility of the dye was good, and the dyed cloth was uniformly dyed. The obtained dyed cloth was bluish red, light fastness class 6 and rub fastness class 5 were obtained. And it was good. Next, to investigate the temperature dependence of the dye used,
In the above-mentioned dyeing, dyeing was carried out in the same manner except that the dyeing temperature was set to 120 ° C.
The temperature dependency in the case of dyeing was determined by comparing the dyeing rates of both dyed fabrics, and the temperature dependency was 85%.
【0015】比較例1 実施例1に於て、使用染料を製造例1で得た染料0.2
gとした以外同様にして染色を行なったところ、温度依
存性は60%であった。Comparative Example 1 In Example 1, the dye used was 0.2% of the dye obtained in Production Example 1.
When dyeing was carried out in the same manner except that g was used, the temperature dependency was 60%.
【0016】比較例2 実施例1に於いて使用染料を製造例2で得た染料0.2
gとした以外同様にして染色を行なったところ温度依存
性は50%であった。Comparative Example 2 The dye used in Example 1 was replaced with the dye 0.2 obtained in Production Example 2.
When dyeing was carried out in the same manner except that g was used, the temperature dependency was 50%.
【0017】[0017]
【発明の効果】本発明の特定の結晶型を有する水不溶性
モノアゾ染料の混合物は、高温度で、しかも、例えば被
染物:染色液の比率が1:10、染料ケーキ:分散剤の
比率が1:1、染色条件が135℃で0.5時間といっ
た苛酷な染色条件下でも分散安定性が非常に良好であ
り、しかも、染色時の温度依存性に優れたものである。
また、得られる染布は耐光堅牢度、耐摩擦堅牢度に優れ
たものである。従って、本発明の染料混合物は、省資
源、省エネルギーの観点から非常に有用なものである。The mixture of the water-insoluble monoazo dyes having a specific crystal form according to the present invention can be used at a high temperature and, for example, the ratio of the material to be dyed to the dyeing liquid is 1:10, and the ratio of the dye cake to the dispersant is 1%. 1: The dispersion stability is very good even under severe dyeing conditions such as 135 ° C. for 0.5 hour at a dyeing condition, and the temperature dependency at the time of dyeing is excellent.
The dyed fabric obtained is excellent in light fastness and rub fastness. Therefore, the dye mixture of the present invention is very useful from the viewpoint of resource saving and energy saving.
【図1】製造例1において得られたモノアゾ化合物の結
晶変態のX線回折図。FIG. 1 is an X-ray diffraction diagram of a crystal modification of a monoazo compound obtained in Production Example 1.
【図2】製造例2において得られたモノアゾ化合物の結
晶変態のX線回折図。FIG. 2 is an X-ray diffraction diagram of a crystal modification of the monoazo compound obtained in Production Example 2.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) C09B 67/22 C09B 67/48 C09B 29/42 CA(STN) REGISTRY(STN)──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) C09B 67/22 C09B 67/48 C09B 29/42 CA (STN) REGISTRY (STN)
Claims (1)
OCH3 である染料で、かつ回折角(2θ)約6.6°
に最も強いピーク、更に約11.4°、31.6°及び
33.8°に3本の弱いピークを示すX線回折図(Cu
Kα)により特徴づけられる結晶変態を有するモノアゾ
染料と、下記式〔I〕に於けるRが−C2 H4 OC2
H4 OHである染料で、かつ回折角(2θ)約6.2
°、14.5°及び約25.2°に3本の強いピーク、
更に約18.2°及び19.4°に2本の中間ピークを
示すX線回折図(CuKα)により特徴づけられる結晶
変態を有するモノアゾ染料とを2:8〜8:2重量比で
混合してなる水不溶性染料混合物。 【化1】 (式中、Rは−C3 H6 OCH3 又は−C2 H4 OC2
H4 OHを表わす。)(1) R in the following formula (I) is -C 3 H 6
A dye that is OCH 3 and a diffraction angle (2θ) of about 6.6 °
X-ray diffractogram (Cu) showing the strongest peak at about 11.4 °, 31.6 ° and 33.8 °
A monoazo dye having a crystal modification characterized by Kα), wherein R in the following formula [I] is -C 2 H 4 OC 2
H 4 OH dye and diffraction angle (2θ) of about 6.2
3 strong peaks at °, 14.5 ° and about 25.2 °,
Further, a monoazo dye having a crystal modification characterized by an X-ray diffraction pattern (CuKα) showing two intermediate peaks at about 18.2 ° and 19.4 ° is mixed in a weight ratio of 2: 8 to 8: 2. Water-insoluble dye mixture. Embedded image (Wherein, R -C 3 H 6 OCH 3 or -C 2 H 4 OC 2
Represents H 4 OH. )
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3033149A JP3032591B2 (en) | 1991-02-27 | 1991-02-27 | Water-insoluble dye mixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3033149A JP3032591B2 (en) | 1991-02-27 | 1991-02-27 | Water-insoluble dye mixture |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0532913A JPH0532913A (en) | 1993-02-09 |
JP3032591B2 true JP3032591B2 (en) | 2000-04-17 |
Family
ID=12378526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3033149A Expired - Fee Related JP3032591B2 (en) | 1991-02-27 | 1991-02-27 | Water-insoluble dye mixture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3032591B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4916980A (en) * | 1987-07-22 | 1990-04-17 | Toyota Jidosha Kabushiki Kaisha | Planetary gear type speed change device to provide six forward speed stages with two single pinion type simple planetary gear mechanisms |
DE4329915A1 (en) * | 1993-09-04 | 1995-03-09 | Basf Ag | Color mixtures containing azo dyes of the same color with a coupling component from the diaminopyridine series |
-
1991
- 1991-02-27 JP JP3033149A patent/JP3032591B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0532913A (en) | 1993-02-09 |
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