JP2001342375A - Highly light resistant dye composition and dying method using the same - Google Patents
Highly light resistant dye composition and dying method using the sameInfo
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- JP2001342375A JP2001342375A JP2000165249A JP2000165249A JP2001342375A JP 2001342375 A JP2001342375 A JP 2001342375A JP 2000165249 A JP2000165249 A JP 2000165249A JP 2000165249 A JP2000165249 A JP 2000165249A JP 2001342375 A JP2001342375 A JP 2001342375A
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本願発明は、高耐光性染料組
成物及びこれを用いた染色方法に関し、詳しくは、ポリ
エステル系繊維の染色において、特に耐光堅牢度、吸尽
性及び昇華堅牢度に優れた黄色着色物が得られる高耐光
性染料組成物及びこれを用いた染色方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a highly light-fast dye composition and a dyeing method using the same, and more particularly, to dyeing polyester fibers, which is particularly excellent in light fastness, exhaustion and sublimation fastness. The present invention relates to a high lightfast dye composition capable of obtaining a yellow colored product and a dyeing method using the same.
【０００２】[0002]
【従来の技術】近年、自動車内装用、特に座席シートの
材質としてポリエステル系繊維が多く使用されてきてい
る。このようなポリエステル系繊維を自動車シートに使
用する場合、高温で長時間の露光により、黄色が変褪色
を起こす。これは、赤色、青色との混合染色物の変色の
原因にもなっている。この対策として、特開昭６２−１
１７７３号、特開平６−１６６８２８号公報などに見ら
れる高耐光性の黄色分散染料組成物が、提案されてい
る。2. Description of the Related Art In recent years, polyester fibers have been widely used as materials for automobile interiors, especially for seats. When such a polyester fiber is used for an automobile sheet, the yellow discolors due to prolonged exposure at a high temperature. This also causes discoloration of the mixed dyed product of red and blue. As a countermeasure against this, JP-A-62-1
No. 1,773, JP-A-6-166828, etc., have proposed a high light-fast yellow disperse dye composition.
【０００３】[0003]
【発明が解決しようとする課題】しかし、これらの染料
は染色及び堅牢度面から充分とはいえない。例えば、特
開昭６２−１１７７３号公報の式（１）の染料は染色時
の吸尽性に劣り、耐光堅牢度は良好であるが少し赤みに
変色するという欠点を有し、式（２）のキノフタロン系
染料は耐光堅牢度が弱い。また、この配合によって赤色
や青色の高耐光性の染料と染色する際には、染め足が合
わないという欠点がある。特開平６−１６６８２８号公
報の式（Ｉ）の染料は昇華堅牢度に劣り、耐光堅牢度が
赤みに変色するという欠点を有し、式（ＩＩ）のニトロ
系染料は浴比依存性が悪く、耐光性も赤みに変色すると
いう欠点を有している。よって、これらの配合では、赤
みに変色しない高耐光堅牢度を有し、昇華堅牢度に優
れ、吸尽性及び浴比依存性が良く、赤色や青色の高耐光
性の染料と染色する際に染め足が合った染料は得られな
い。なお、上記の吸尽性は、繊維との親和性及び染料の
分解性の影響を受け、染色後の液の濃度により判定する
ことができる。また、残液を染色することによって、そ
のデータを保存することができる。上記の浴比依存性に
ついては、染料量が一定で布に対する液量（浴比）を
１：１０，１：２０，１：５０のように変化させたとき
の染着性（染色布の濃度差）を見ることにて判定する。
比較的水に親和性の高い染料は液量が増加すると染色浴
中に残る染料の絶対量が増加するため得られた染色布は
浴比が大きくなると濃度が低下する。また、その残液を
染色することによって、データを保存することができ
る。上記の染め足とは、昇温過程及び昇温後の一定時間
での染着速度をいう。上記の残液染色については、残液
を再度染色するときは、残っている染料の量が少ないた
め、殆ど染着すると考えられるから、再度染色した濃度
が濃いほど残液中の染料の残量が多かったことになる。However, these dyes are not sufficient in terms of dyeing and fastness. For example, the dye represented by formula (1) in JP-A-62-11773 is inferior in exhaustion upon dyeing, has good light fastness, but has the disadvantage of discoloring a little reddish. The quinophthalone-based dye has low light fastness. In addition, when dyeing with a red or blue dye having high light fastness by this blending, there is a drawback that dyeing feet do not match. The dye of formula (I) in JP-A-6-166828 has poor sublimation fastness and has a defect that light fastness changes to reddish. Nitro dyes of formula (II) have poor bath ratio dependency. However, it also has the disadvantage that the light resistance changes to reddish. Therefore, in these formulations, it has high light fastness that does not discolor to red, has excellent sublimation fastness, has good exhaustion and bath ratio dependency, and when dyeing with a red or blue light fast dye. Dyes with dyeable feet cannot be obtained. In addition, the above-mentioned exhaustion is affected by the affinity with the fiber and the decomposability of the dye, and can be determined by the concentration of the liquid after dyeing. In addition, the data can be stored by staining the residual solution. Regarding the above bath ratio dependency, the dyeing ability (concentration of dyed cloth) when the dye amount is constant and the liquid amount (bath ratio) to the cloth is changed as 1:10, 1:20, 1:50. Difference).
Since the absolute amount of the dye remaining in the dyeing bath increases when the amount of the dye having a relatively high affinity to water increases, the density of the obtained dyed cloth decreases as the bath ratio increases. In addition, data can be stored by staining the remaining liquid. The above-mentioned dyeing foot refers to a dyeing speed in a heating process and a certain time after the heating. Regarding the above-mentioned dyeing of the residual liquid, when re-dyeing the residual liquid, the amount of the remaining dye is small, and it is considered that the dye is almost dyed. This means that there were many.
【０００４】[0004]
【課題を解決するための手段】本願発明者等は、これら
の問題を解決するため鋭意検討した結果、高耐光堅牢度
を有し昇華堅牢度に優れ、吸尽性及び浴比依存性が良
く、赤色や青色の高耐光性の染料と染色する際に染め足
の合った黄色分散染料組成物を見い出した。すなわち本
願発明は、下記式（Ｉ）で示される一種以上の染料及び
下記式（ＩＩ）で示される染料とを配合してなる高耐光
性染料組成物を提供する。The inventors of the present invention have conducted intensive studies to solve these problems. As a result, they have high light fastness, excellent sublimation fastness, and good exhaustion and bath ratio dependency. When dyeing with a red or blue dye having high light fastness, a yellow disperse dye composition having a suitable dyeing foot was found. That is, the present invention provides a high light-fast dye composition obtained by blending one or more dyes represented by the following formula (I) and a dye represented by the following formula (II).
【化３】 ［式中Ｒは、Ｃ1-4アルキル基、Ｃ1-4アルコキシ基また
はフェニル基を表す。］Embedded image [In the formula, R represents a C 1-4 alkyl group, a C 1-4 alkoxy group or a phenyl group. ]
【化４】 Embedded image
【０００５】前記一般式（Ｉ）の染料は、単独では吸尽
性等の染色性には優れてはいるものの昇華堅牢度が不充
分であり、比較的耐光堅牢度に強い染料であるが、耐光
性の評価方法としてキセノンアーク灯を用いる加速試験
法（例えばトヨタ法）では赤味に変色する傾向がある。
また、前記式（ＩＩ）の染料は耐光堅牢度及び昇華堅牢
度に優れ、浴比依存性は良いが吸尽性が低いという欠点
を有する。そこで一般式（Ｉ）、式（ＩＩ）の染料を混
合使用することにより、両者の欠点が補完されることは
勿論、キセノンアーク灯照射後の変色がほとんど無く優
れた耐光堅牢度を持ち、更に、昇華堅牢度に優れ、吸尽
性及び浴比依存性も優れた染料組成物が、得られること
を見出し、本願発明を完成させた。Although the dye of the formula (I) alone is excellent in dyeability such as exhaustion, it is insufficient in sublimation fastness and relatively strong in lightfastness. In an accelerated test method (for example, the Toyota method) using a xenon arc lamp as a method for evaluating light fastness, the color tends to change to reddish.
Further, the dye of the formula (II) is excellent in light fastness and sublimation fastness, has a good bath ratio dependency, but has a drawback of low exhaustion. Therefore, by mixing and using the dyes of the general formulas (I) and (II), not only the disadvantages of both are complemented, but also there is almost no discoloration after irradiation with a xenon arc lamp, and excellent light fastness. The present inventors have found that a dye composition having excellent sublimation fastness, excellent exhaustion properties and excellent bath ratio dependency can be obtained, and completed the present invention.
【０００６】即ち、本願発明者は、前記一般式（Ｉ）で
示される染料の優れた吸尽性を維持しつつ、昇華堅牢度
及び耐光堅牢度に於ける変色を向上させる方法について
種々検討を行った結果、前記一般式（Ｉ）と前記式（Ｉ
Ｉ）の染料を混合して用いると、耐光堅牢度が良好で昇
華堅牢度に優れ、吸尽性及び浴比依存性の良い黄色系分
散染料組成物が得られることを見出した。また、この染
料組成物は、茶色、グレー色などの色調に染める際に赤
色や青色の高耐光性の染料と染色しても、温度や時間等
の染色条件の変化の影響を受けずに色ぶれのない染色物
が得られ、染め足が良く合っていた。なお、耐光堅牢度
の測定に用いる上記のトヨタ法とは、トヨタ自動車株式
会社の試験規格であり、キセノンアーク（キセンノンラ
ンプ）を光源として行われ、繊維、プラスチックを、試
験対象とする。通常、試験には、キセノンウェザーメー
ターと呼ばれる試験装置が用いられる。ここでは、繊維
を対象とするので、その場合の試験の諸条件について触
れると、光源の照射強度を１５０Ｗ／ｍ2（波長３００
〜４００ｎｍ）とし、その照射方法は、明暗法即ち、所
定時間照射した後所定時間照射を止めて暗くし、これを
繰り返すものである。具体的には、照射時間３．８時間
・暗時間１時間を１サイクルとして、３８サイクル（約
１８２時間）行う。試験装置内の（試験雰囲気の）湿度
は、照射中５０±５％、暗時間中９５±５％に保つ。ま
た試験装置内の温度は、装置内に収容されたブラックパ
ネルと呼ばれる基準板の温度が７３±３℃になるように
保たれる。装置内に収容されて試験が行われる試験布
（繊維）は、ウレタンで裏打ちされている。That is, the inventor of the present application has conducted various studies on a method for improving discoloration in sublimation fastness and light fastness while maintaining excellent exhaustion of the dye represented by formula (I). As a result, the above general formula (I) and the above formula (I)
It has been found that a yellow disperse dye composition having good light fastness, excellent sublimation fastness, and good exhaustion and bath ratio dependency can be obtained by mixing and using the dye of I). In addition, this dye composition can be dyed with a red or blue light-fast dye when dyeing a color tone such as brown or gray, without being affected by changes in dyeing conditions such as temperature and time. A dyestuff without blur was obtained, and the dyed feet were well matched. The above-mentioned Toyota method used for the measurement of light fastness is a test standard of Toyota Motor Corporation, which is performed using a xenon arc (xenon lamp) as a light source, and tests on fibers and plastics. Usually, a test device called a xenon weather meter is used for the test. Here, since the target is a fiber, if the conditions of the test in that case are mentioned, the irradiation intensity of the light source is 150 W / m 2 (wavelength
The irradiation method is a light-dark method, that is, irradiation is stopped for a predetermined time after irradiation for a predetermined time, darkening is performed, and this is repeated. Specifically, 38 cycles (about 182 hours) are performed with 3.8 hours of irradiation time and 1 hour of dark time as one cycle. The humidity (in the test atmosphere) in the test apparatus is kept at 50 ± 5% during irradiation and 95 ± 5% during dark hours. The temperature in the test apparatus is maintained such that the temperature of a reference plate called a black panel housed in the apparatus becomes 73 ± 3 ° C. A test cloth (fiber) that is housed in the device and subjected to a test is lined with urethane.
【０００７】本願発明において、配合割合は前記一般式
（Ｉ）で示される染料の一種以上の染料９５〜２０重量
％に対して前記式（ＩＩ）で示される染料５〜８０重量
％が適当であり、より好ましくは、８０〜３５重量％：
２０〜６５重量％である。In the present invention, the mixing ratio of the dye represented by the formula (II) is 5 to 80% by weight based on 95 to 20% by weight of one or more dyes represented by the formula (I). And more preferably 80-35% by weight:
20 to 65% by weight.
【０００８】本願発明において前記一般式（Ｉ）の染料
の中で好ましい染料は、吸尽性の点からＲがＣ1〜4の染
料であり、Ｒ＝Ｃ2Ｈ5及びＣ3Ｈ7の染料が特に好まし
い。本願発明では、黄色系成分として前記一般式（Ｉ）
及び前記式（ＩＩ）の組成物であるが、茶色、グレー色
などの色調を要求される場合には、高耐光性の赤色成分
及び青色成分と配合して使用するか、染色時に混合して
染色に使用することにより高耐光堅牢度を有する染色物
が得られる。In the present invention, among the dyes of the general formula (I), preferred are those in which R is C 1-4 from the viewpoint of exhaustion, and R = C 2 H 5 and C 3 H 7 Dyes are particularly preferred. In the present invention, as the yellow component, the compound represented by the general formula (I)
And when the composition of the formula (II) is required to have a color tone such as brown or gray, it is used by blending it with a red component and a blue component having high light resistance, or by mixing at the time of dyeing. By using for dyeing, a dyed product having high light fastness can be obtained.
【０００９】前記一般式（Ｉ）の染料は特公昭４４−２
１４３１号公報及び特開昭４８−７３５７１号公報など
により、前記式（ＩＩ）の染料は、特開昭６１−６３８
２号公報により公知の染料であり、公知の方法により合
成される。The dye of the formula (I) is disclosed in JP-B-44-2.
According to JP-A-14331 and JP-A-48-73571, the dye of the formula (II) is disclosed in JP-A-61-638.
It is a dye known from JP-A No. 2 and synthesized by a known method.
【００１０】本願発明の分散染料組成物を得る方法につ
いて説明すると、前記一般式（Ｉ）、前記式（ＩＩ）の
染料は常法により、ウェットケーキにナフタレンスルホ
ン酸のホルマリン縮合物やリグニンスルホン酸系などの
分散剤を加え、サンドミル等で微粒子化して得られたリ
キッド品あるいは、それを乾燥して得られるパウダー品
の状態で配合される。The method for obtaining the disperse dye composition of the present invention will be described. The dyes of the above general formulas (I) and (II) can be added to a wet cake in a conventional manner using a formalin condensate of naphthalenesulfonic acid or ligninsulfonic acid. A liquid product obtained by adding a dispersing agent such as a system and micronizing with a sand mill or the like, or a powder product obtained by drying it is blended.
【００１１】ポリエステル系繊維を染色するには、本願
発明の組成物を水性媒体中に分散させた染浴中に、必要
に応じてＰＨ調整、分散均染剤などを加えた後、高温染
色法、キャリアー染色法、サーモゾル染色法などの染色
法を用いる。これによりポリエステル繊維ないしはその
混紡品に染色できる。又、紫外線吸収剤を使用して更に
耐光性の優れた染色物を得ることができる。このような
紫外線吸収剤の使用量は特に制限されないが、被染物の
重量に対し、０．５〜５重量％（布１００ｇに対して
０．５〜５ｇの割合）が好ましく、１〜２重量％が最も
好ましい。In order to dye polyester fibers, the pH of the composition of the present invention is dispersed in an aqueous medium, a pH adjusting agent and a leveling agent are added, if necessary, to a dyeing bath. Dyeing methods such as carrier dyeing method and thermosol dyeing method are used. As a result, it is possible to dye polyester fiber or a blend thereof. In addition, a dyed article having more excellent light resistance can be obtained by using an ultraviolet absorber. The use amount of such an ultraviolet absorbent is not particularly limited, but is preferably 0.5 to 5% by weight (a ratio of 0.5 to 5 g with respect to 100 g of cloth) to the weight of the material to be dyed, and is 1 to 2% by weight. % Is most preferred.
【００１２】[0012]
【実施例】次に本願発明を実施例によってより詳細に説
明するが本願発明は実施例に何等限定されるものではな
い。Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to the examples.
【００１３】〔染料調合物（１）〕下記式（１）の染料
３０ｇをナフタレンスルホン酸のホルマリン縮合物３５
ｇと水８５ｇ中でサンドミルにて微粒子化し、次いでリ
グニンスルホン酸３０ｇを加えた後、噴霧乾燥した。こ
れにて、式（１）の染料３０％、アニオン系分散剤６５
％、水分５％からなる分散染料組成物を得た。[Dye preparation (1)] A formalin condensate of naphthalenesulfonic acid 35 was prepared by mixing 30 g of the dye of the following formula (1).
g and 85 g of water in a sand mill, and then 30 g of ligninsulfonic acid was added, followed by spray drying. Thus, 30% of the dye of the formula (1) and an anionic dispersant 65
% And a water content of 5% were obtained.
【００１４】[0014]
【化５】 Embedded image
【００１５】〔染料調合物（２）〕同様に、下記式
（２）の染料３０ｇをナフタレンスルホン酸のホルマリ
ン縮合物３５ｇと共に水８５ｇ中でサンドミルにて微粒
子化し、次いでリグニンスルホン酸３０ｇを加えた後、
噴霧乾燥した。これにて、式（２）の染料３０％、アニ
オン分散剤６５％、水分５％から成る分散染料調合物を
得た。[Dye preparation (2)] Similarly, 30 g of a dye represented by the following formula (2) was finely milled together with 35 g of a formalin condensate of naphthalenesulfonic acid in 85 g of water by a sand mill, and then 30 g of ligninsulfonic acid was added. rear,
Spray dried. Thus, a disperse dye preparation comprising 30% of the dye of the formula (2), 65% of an anionic dispersant, and 5% of water was obtained.
【００１６】[0016]
【化６】 Embedded image
【００１７】[0017]
【実施例１】上記の染料調合物（１）４０ｇ、上記の染
料調合物（２）４０ｇに、アニオン分散剤２０ｇを加え
全量１００ｇとし黄色染料組成物とする。この組成物中
には上記式（１）の染料が１２％（上記の４０ｇの３０
％）、上記式（２）の染料が１２％含まれる。この組成
物０．１０ｇ（染料分０．０２４ｇ）及びベンゾトリア
ゾール系紫外線吸収剤サンライフＬＰ−２００（日華化
学社製）０．４８ｇを水３００ｃｃと共に染色用ポット
に入れ酢酸を用いてＰＨ５に調整する。次いでポリエス
テル起毛織物２０ｇを投入し、１３０℃で４０分間染色
した後、通常の方法で還元洗浄後乾燥し黄色の染色物を
得た。Example 1 To 40 g of the above dye preparation (1) and 40 g of the above dye preparation (2), 20 g of an anionic dispersant was added to make a total amount of 100 g to obtain a yellow dye composition. In this composition, 12% of the dye of the formula (1) (40 g of the above 30 g of 30) was used.
%) And 12% of the dye of the formula (2). 0.10 g (0.024 g of a dye component) of this composition and 0.48 g of a benzotriazole-based ultraviolet absorber Sunlife LP-200 (manufactured by Nika Chemical Co., Ltd.) are put into a dyeing pot together with 300 cc of water, and the pH is adjusted to PH5 using acetic acid. adjust. Next, 20 g of polyester brushed fabric was added, dyed at 130 ° C. for 40 minutes, reduced and washed by a usual method, and dried to obtain a yellow dyed product.
【００１８】[0018]
【実施例２】上記の染料調合物（１）６０ｇ、上記の染
料調合物（２）２０ｇに、アニオン分散剤２０ｇを加え
全量１００ｇとし黄色染料組成物とする。この組成物中
には上記式（１）の染料が１８．０％、上記式（２）の
染料が６．０％含まれる。この組成物０．１０ｇ（染料
分０．０２４ｇ）を実施例１と同様に染色を行い黄色の
染色物を得た。Example 2 To 60 g of the above dye preparation (1) and 20 g of the above dye preparation (2), 20 g of an anionic dispersant was added to make a total amount of 100 g to obtain a yellow dye composition. This composition contains 18.0% of the dye of the above formula (1) and 6.0% of the dye of the above formula (2). 0.10 g (0.024 g of a dye component) of this composition was dyed in the same manner as in Example 1 to obtain a yellow dyed product.
【００１９】[0019]
【実施例３】上記の染料調合物（１）２０ｇ、上記の染
料調合物（２）６０ｇに、アニオン分散剤２０ｇを加え
全量１００ｇとし黄色染料組成物とする。この組成物中
には上記式（１）の染料が６．０％、上記式（２）の染
料が１８．０％含まれる。この組成物０．１０ｇ（染料
分０．０２４ｇ）を実施例１と同様に染色を行い黄色の
染色物を得た。Example 3 To 20 g of the above dye preparation (1) and 60 g of the above dye preparation (2), 20 g of an anionic dispersant was added to make a total amount of 100 g to obtain a yellow dye composition. This composition contains 6.0% of the dye of the formula (1) and 18.0% of the dye of the formula (2). 0.10 g (0.024 g of a dye component) of this composition was dyed in the same manner as in Example 1 to obtain a yellow dyed product.
【００２０】〔比較例１〕上記の染料調合物（１）０．
０８ｇ（染料分はこの３０％の０．０２４ｇ）を用いて
実施例１と同様に染色し、染色物を得た。Comparative Example 1 The above dye preparation (1)
Dyeing was carried out in the same manner as in Example 1 using 08 g (the dye component was 0.024 g of 30%) to obtain a dyed product.
【００２１】〔比較例２〕上記の染料調合物（２）０．
０８ｇを用いて実施例１と同様に染色し、黄色の染色物
を得た。Comparative Example 2 The above dye preparation (2)
Using 08 g, dyeing was carried out in the same manner as in Example 1 to obtain a yellow dyed product.
【００２２】〔比較例３〕上記の染料調合物（１）１２
ｇ、上記の染料調合物（２）４８ｇに、アニオン分散剤
２０ｇを加え全量１００ｇとし黄色染料組成物とする。
この組成物中には上記式（１）の染料が３．６％、上記
式（２）の染料が２０．４％含まれる。この組成物０．
１０ｇ（染料分０．０２４ｇ）を実施例１と同様に染色
を行い黄色の染色物を得た。Comparative Example 3 The above-mentioned dye preparation (1) 12
g, 48 g of the above-mentioned dye preparation (2), 20 g of an anionic dispersant is added, and the total amount is made 100 g to obtain a yellow dye composition.
This composition contains 3.6% of the dye of the above formula (1) and 20.4% of the dye of the above formula (2). This composition
10 g (dye content 0.024 g) was dyed in the same manner as in Example 1 to obtain a yellow dyed product.
【００２３】得られた実施例１，２，３及び比較例１，
２，３について、耐光堅牢度、昇華堅牢度及び吸尽性を
比較した。耐光堅牢度は、既述のトヨタ法に基づいて、
染色布にウレタンフォームを裏付けし、キセノンウェザ
ーメーター（ブラックパネル温度７３℃、放射照度１５
０Ｗ／ｍ2）を用いて明暗３８サイクル照射した後、Ｊ
ＩＳ Ｌ ０８０４変褪色用グレースケールで判定し
た。昇華堅牢度は、染色濃度１／１Ｎの染色布を用い、
ＪＩＳ Ｌ ０８７９に準じて処理温度１８０℃×３０
秒（添付汚染布＝ポリエステル布）にて行った。吸尽性
は染色後の残浴を目視にて（色の濃淡を見て）判断し
た。The obtained Examples 1, 2 and 3 and Comparative Examples 1 and 2
Light fastness, sublimation fastness, and exhaustion of Examples 2 and 3 were compared. The lightfastness is based on the aforementioned Toyota Law,
Backing the urethane foam on the dyed cloth, use a xenon weather meter (black panel temperature 73 ° C, irradiance 15
0W / m 2 ), and after irradiating 38 cycles of light and dark,
Judgment was made with IS L 0804 gray scale for discoloration. The sublimation fastness is determined using a dyed fabric with a dye concentration of 1 / 1N.
Processing temperature 180 ° C x 30 according to JIS L 0879
The measurement was performed in seconds (attached contaminated cloth = polyester cloth). Exhaustability was determined by visually observing the remaining bath after dyeing (seeing the color shading).
【００２４】表１に示すように、実施例１，２及び３の
染色布の耐光堅牢度及び昇華堅牢度は、比較例１に比べ
優れており、吸尽性は比較例２及び３より優れていた。As shown in Table 1, the light fastness and the sublimation fastness of the dyed fabrics of Examples 1, 2 and 3 are superior to Comparative Example 1, and the exhaustion property is superior to Comparative Examples 2 and 3. I was
【００２５】[0025]
【表１】 Ｎｏ． (1) ：(2) 耐光堅牢度 昇華堅牢度 吸尽性 実施例１ ５０：５０ ４−５ ４ ○ 実施例２ ７５：２５ ４R ３−４ ○ 実施例３ ２５：７５ ４−５ ４ △ 比較例１ １００：０ ３−４R ３ ○ 比較例２ ０：１００ ４−５ ４−５ × 比較例３ １５：８５ ４−５ ４ ×[Table 1] (1): (2) Light fastness Sublimation fastness Exhaustability Example 1 50:50 4-5 4 ○ Example 2 75:25 4R 3-4 ○ Example 3 25:75 4-5 4 △ Comparison Example 1 100: 0 3-4R 3 Comparative Example 2 0: 100 4-5 4-5 Comparative Example 15:85 4-5 4 ×
【００２６】表１中、Rは赤みがあることを示してい
る。表１の比較例３において、吸尽性がよくないことに
着目し、特許請求の範囲の請求項２に記載した発明にお
いて、一般式（Ｉ）で示される染料を９５〜２０％、式
（ＩＩ）で示される染料を５〜８０％混合するものとし
て、吸尽性の改善を図った。特に、実施例２では吸尽性
を維持しながら堅牢度が向上しており、一方、比較例２
に示す通り、式（ＩＩ）で示される染料は、吸尽性が少
し悪い。このことから特許請求の範囲の請求項３に記載
した発明において、一般式（Ｉ）で示される染料を８０
〜３５％、式（ＩＩ）で示される染料を２０〜６５％混
合するものとして、吸尽性と堅牢度の両立を図った。In Table 1, R indicates that there is redness. In Comparative Example 3 of Table 1, noting that exhaustion was not good, in the invention described in claim 2 of the claims, 95 to 20% of the dye represented by the general formula (I) The dye exhaustion was improved by mixing the dye shown in II) with 5 to 80%. In particular, in Example 2, the fastness was improved while maintaining exhaustion, while Comparative Example 2 was improved.
As shown in the above, the dye represented by the formula (II) has a slightly poor exhaustion property. From this fact, in the invention described in claim 3, the dye represented by the general formula (I) is used.
As a result of mixing the dye represented by the formula (II) in an amount of 20 to 65%, the exhaustion property and the fastness were both achieved.
【００２７】[0027]
【発明の効果】本願発明は、一般式（Ｉ）で示される染
料に式（ＩＩ）で示される染料を配合することにより、
一般式（Ｉ）の染料の良好な吸尽性を維持しつつ、一般
式（Ｉ）の染料単独で使用した場合に比べて耐光堅牢度
と昇華堅牢度を大巾に向上させることが可能となり、ポ
リエステル系繊維の染色において吸尽性等の染色性に優
れ、耐光堅牢度及び昇華堅牢度に優れた分散染料組成物
並びに染色方法を提供することができたものである。According to the present invention, the dye represented by the formula (II) is blended with the dye represented by the general formula (I).
While maintaining good exhaustion of the dye of the general formula (I), it is possible to greatly improve light fastness and sublimation fastness as compared with the case where the dye of the general formula (I) is used alone. The present invention can provide a disperse dye composition and a dyeing method which are excellent in dyeability such as exhaustion property and dyeing fastness and sublimation fastness in dyeing polyester fibers.
Claims (6)
料の一種以上及び下記式（ＩＩ）で示される黄色分散染
料を混合したものを主成分としてなる高耐光性染料組成
物。 【化１】 ［式中Ｒは、Ｃ1-4アルキル基、Ｃ1-4アルコキシ基また
はフェニル基を表す。］ 【化２】 1. A highly lightfast dye composition comprising as a main component a mixture of at least one yellow disperse dye represented by the following formula (I) and a yellow disperse dye represented by the following formula (II). Embedded image [In the formula, R represents a C 1-4 alkyl group, a C 1-4 alkoxy group or a phenyl group. ]
料の一種以上を２０〜９５重量％及び上記式（ＩＩ）で
示される黄色分散染料５〜８０重量％を混合してなるこ
とを特徴とする請求項１記載の高耐光性染料組成物。2. A method comprising mixing 20 to 95% by weight of one or more of the yellow disperse dyes represented by the above general formula (I) and 5 to 80% by weight of the yellow disperse dyes represented by the above formula (II). The high lightfast dye composition according to claim 1, wherein:
料の一種以上を３５〜８０重量％及び上記式（ＩＩ）で
示される黄色分散染料２０〜６５重量％を混合してなる
ことを特徴とする請求項１記載の高耐光性染料組成物。3. A method comprising mixing 35 to 80% by weight of one or more of the yellow disperse dyes represented by the above general formula (I) and 20 to 65% by weight of the yellow disperse dyes represented by the above formula (II). The high lightfast dye composition according to claim 1, wherein:
料のＲがＣ1-4アルキル基で有ることを特徴とする請求
項１乃至３の何れかに記載の高耐光性染料組成物。4. The high lightfast dye composition according to claim 1, wherein R of the yellow disperse dye represented by the general formula (I) is a C 1-4 alkyl group. .
性染料組成物を用いてポリエステル系繊維を染色するこ
とを特徴とする染色方法。5. A dyeing method comprising dyeing a polyester fiber using the highly light-fast dye composition according to claim 1.
示される黄色分散染料に加えて、赤色成分や青色成分等
の他の分散染料を用いることを特徴とする請求項５に記
載の染色方法。6. The method according to claim 5, wherein other disperse dyes such as a red component and a blue component are used in addition to the yellow disperse dyes represented by the general formulas (I) and (II). Dyeing method.
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Cited By (3)
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|---|---|---|---|---|
| WO2005071016A3 (en) * | 2004-01-21 | 2005-11-17 | Ciba Sc Holding Ag | Dye mixtures |
| WO2006003088A1 (en) * | 2004-06-25 | 2006-01-12 | Dystar Textilfarben Gmbh & Co. Deutschland Kg | Disperse dyes for poly(lactic acid) based fibers |
| JPWO2021161577A1 (en) * | 2020-02-14 | 2021-08-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127314B (en) * | 2010-12-24 | 2013-11-13 | 上海宜连化工科技有限公司 | Yellow disperse dye composition with high light fastness and application thereof |
| JP5212927B2 (en) | 2011-01-25 | 2013-06-19 | 株式会社デンソー | Face shooting system |
| KR101273457B1 (en) * | 2011-05-06 | 2013-06-11 | (주)경인양행 | Disperse Dyes Composites and Methods of Dyeing Fiber Using the Same |
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