JP3428263B2 - Recording liquid - Google Patents

Recording liquid

Info

Publication number
JP3428263B2
JP3428263B2 JP33182595A JP33182595A JP3428263B2 JP 3428263 B2 JP3428263 B2 JP 3428263B2 JP 33182595 A JP33182595 A JP 33182595A JP 33182595 A JP33182595 A JP 33182595A JP 3428263 B2 JP3428263 B2 JP 3428263B2
Authority
JP
Japan
Prior art keywords
group
substituted
cooh
carbon atoms
independently
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.)
Expired - Lifetime
Application number
JP33182595A
Other languages
Japanese (ja)
Other versions
JPH09169935A (en
Inventor
秀雄 佐野
崇 平佐
浩 滝本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Chemical Corp filed Critical Mitsubishi Chemical Corp
Priority to JP33182595A priority Critical patent/JP3428263B2/en
Priority to EP96305103A priority patent/EP0757087B1/en
Priority to DE69604252T priority patent/DE69604252T2/en
Priority to US08/679,069 priority patent/US5725644A/en
Publication of JPH09169935A publication Critical patent/JPH09169935A/en
Application granted granted Critical
Publication of JP3428263B2 publication Critical patent/JP3428263B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は記録液に関するもの
である。詳しくはインクジェット記録に適した記録液に
関するものである。
TECHNICAL FIELD The present invention relates to a recording liquid. Specifically, it relates to a recording liquid suitable for inkjet recording.

【0002】[0002]

【従来の技術】直接染料や酸性染料等の水溶性染料を含
む記録液の液滴を微小な吐出オリフィスから飛翔させて
記録を行う、いわゆるインクジェット記録方法が実用化
されている。この記録液に関しては、電子写真用紙等の
PPC(プレイン ペーパー コピア)用紙、ファンホ
ールド紙(コンピューター等の連続用紙)等の一般事務
用に汎用される記録紙に対する定着が速く、しかも印字
物の印字品位が良好であること、即ち印字に滲みがなく
輪郭がはっきりしていることが要求されると共に、記録
液としての保存時の安定性も優れていることが必要であ
り、従って使用できる溶剤が著しく制限される。
2. Description of the Related Art A so-called ink jet recording method has been put into practical use in which droplets of a recording liquid containing a water-soluble dye such as a direct dye or an acid dye are ejected from a minute ejection orifice to perform recording. Regarding this recording liquid, it is fast to fix to general recording paper for general office work such as PPC (plain paper copier) paper such as electrophotographic paper, fan hold paper (continuous paper such as computers), and printing of printed matter It is required that the quality is good, that is, the print has no bleeding and the contour is clear, and that the stability during storage as a recording liquid is also excellent. Significantly limited.

【0003】一方、記録液用の染料に関しては、上記の
ような限られた溶剤に対して充分な溶解性を有すると共
に、記録液として長期間保存した場合にも安定であり、
また印字された画像の濃度が高く、しかも耐水性、耐光
性に優れていること等が要求されるが、これ等の多くの
要求を同時に満足させることは困難であった。このため
種々の方法(例えば特開昭55−144067号、特開
昭55−152747号、特開昭57−207660
号、特開昭59−226072号、特開昭61−277
6号、特開昭61−57666号、特開昭62−190
269号、特開昭62−190271号、特開昭62−
190272号、特開昭62−197476号、特開昭
62−250082号、特開昭62−246975号、
特開昭62−256974号、特開昭62−28865
9号、特開昭63−8463号、特開昭63−2286
7号、特開昭63−117079号、特開昭63−30
567号、特開昭63−33484号、特開昭63−6
3764号、特開昭63−105079号、特開昭64
−31877号、特開平1−93389号、特開平1−
210464号、特開平1−240584号、特開平2
−16171号、特開平2−140270号、特開平3
−200882号、特開平5−262998号各号公
報)等が提案されているが、市場の要求を充分に満足す
るには到っていない。
On the other hand, dyes for recording liquids have sufficient solubility in the above-mentioned limited solvents and are stable even when stored as recording liquids for a long period of time.
Further, although it is required that the printed image has a high density and is excellent in water resistance and light resistance, it has been difficult to satisfy many of these requirements at the same time. Therefore, various methods (for example, JP-A-55-144067, JP-A-55-152747, and JP-A-57-207660) are used.
JP-A-59-226072, JP-A-61-277.
6, JP-A-61-57666, JP-A-62-190.
269, JP-A-62-190271, JP-A-62-1902
190272, JP-A-62-197476, JP-A-62-250082, JP-A-62-246975,
JP-A-62-256974, JP-A-62-28865
9, JP-A-63-8463, JP-A-63-2286.
7, JP-A-63-117079, and JP-A-63-30.
567, JP-A-63-33484, JP-A-63-6.
3764, JP-A-63-105079, JP-A-64
-31877, JP-A-1-93389, JP-A-1-
210464, JP-A-1-240584, JP-A-2
-16171, JP-A-2-140270, JP-A-3
No. 2008082, JP-A-5-262998, etc.) have been proposed, but they have not yet fully satisfied the market demand.

【0004】[0004]

【発明が解決しようとする課題】本発明は、インクジェ
ット記録用、筆記用等として、普通紙に記録した場合に
も印字品位が良好であると共に、記録画像の濃度が高
く、耐光性やとりわけ耐水性及び記録画像の色調に優れ
ており、長期間保存した場合の安定性が良好である、ブ
ラックの記録液およびそれに用いられる色素を提供する
ことを目的とするものである。
DISCLOSURE OF THE INVENTION The present invention has good print quality even when recorded on plain paper for ink jet recording, writing, etc., and has a high density of recorded images, light resistance and especially water resistance. It is an object of the present invention to provide a black recording liquid having excellent properties and color tone of a recorded image and good stability when stored for a long period of time, and a dye used therefor.

【0005】[0005]

【課題を解決するための手段】本発明者は、記録液成分
として特定の色素を使用した場合に、上記の目的が達成
されることを確認し本発明を達成したものである。即ち
本発明の要旨は、水性媒体と、遊離酸の型が下記一般式
〔I〕又は〔II〕で表わされる色素の少くとも1種を含
有する記録液に存する。
The present inventor has accomplished the present invention by confirming that the above object is achieved when a specific dye is used as a recording liquid component. That is, the gist of the present invention resides in a recording liquid containing an aqueous medium and at least one dye whose free acid type is represented by the following general formula [I] or [II].

【0006】[0006]

【化2】 [Chemical 2]

【0007】〔式中、A及びBは−COOH基、−SO
3 H基、アミノ基、アシルアミノ基、水酸基、ハロゲン
原子、置換もしくは非置換の炭素数1〜9のアルキル基
及び置換もしくは非置換の炭素数1〜9のアルコキシ基
から選ばれる基で置換されたフェニル基または−COO
H基、もしくは−SO3 H基で置換されたナフチル基を
表わし、R1 及びR2 は各々独立に−COOH基または
−CONR8 9 基を表わし(但し、R1 、R2 が同時
に−COOH基を表わすことはない。)、R3 、R6
各々独立に、水素原子、−SO3 H基もしくは−COO
H基で置換されていてもよいフェニル基、又は−COO
H基で置換された炭素数1〜3のアルキル基を表わし、
4 、R7 は各々独立に水素原子または−COOH基で
置換された炭素数1〜3のアルキル基を表わし、R5
8 、R9 は各々独立に水素原子、又は置換されていて
も良い炭素数1〜9のアルキル基を表わし、mとnは各
々独立に0又は1の数を表わす。〕
[Wherein A and B are —COOH groups, —SO
Substituted with a group selected from a 3 H group, an amino group, an acylamino group, a hydroxyl group, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 9 carbon atoms and a substituted or unsubstituted alkoxy group having 1 to 9 carbon atoms. Phenyl group or -COO
H group, or represents a naphthyl group substituted with -SO 3 H group, R 1 and R 2 each independently represent a -COOH group or a -CONR 8 R 9 group (wherein, R 1, R 2 simultaneously - Does not represent a COOH group), R 3 , R 6 are each independently a hydrogen atom, —SO 3 H group or —COO.
Phenyl group optionally substituted with H group, or -COO
Represents an alkyl group having 1 to 3 carbon atoms substituted with an H group,
R 4, R 7 each independently represents a substituted with hydrogen atom or a -COOH group an alkyl group having 1 to 3 carbon atoms, R 5,
R 8 and R 9 each independently represent a hydrogen atom or an optionally substituted alkyl group having 1 to 9 carbon atoms, and m and n each independently represent a number of 0 or 1. ]

【0008】[0008]

【発明の実施の態様】以下、本発明を詳細に説明する。
本発明で使用される色素は、遊離酸の型が前記請求項1
において一般式〔I〕又は〔II〕で表わされる。一般式
〔I〕又は〔II〕において、A、Bで示されるフェニル
基は、−COOH基、−SO3 H基、アミノ基、アシル
アミノ基(例えば炭素数2〜9のアルキルカルボニルア
ミノ基、炭素数7〜11のアリールカルボニルアミノ
基)、水酸基、塩素原子、臭素原子、フッ素原子等のハ
ロゲン原子、置換もしくは非置換の炭素数1〜9のアル
キル基(例えばメチル基、エチル基、n−プロピル基、
イソプロピル基、n−ブチル基等の直鎖状もしくは分岐
状の炭素数1〜9のアルキル基及びトリフルオロメチル
基、ジメチルアミノメチル基等のこれらのアルキル基が
フッ素原子、置換アミノ基等で置換された基が挙げられ
る。)及び置換もしくは非置換の炭素数1〜9のアルコ
キシ基(例えばメトキシ基、エトキシ基、イソプロポキ
シ基、n−ブトキシ基等の炭素数1〜9の直鎖状もしく
は分岐鎖状のアルコキシ基及びヒドロキシエトキシ基、
メトキシエトキシ基等のこれらのアルコキシ基が水酸
基、アルコキシ基等で置換された基が挙げられる。)か
ら選ばれる置換基の1種又は複数種を1個又は複数個有
するフェニル基を表わす。
BEST MODE FOR CARRYING OUT THE INVENTION The present invention is described in detail below.
The dye used in the present invention is in the form of a free acid as defined in claim 1.
Is represented by the general formula [I] or [II]. In the general formula [I] or [II], the phenyl group represented by A or B is a --COOH group, a --SO 3 H group, an amino group, an acylamino group (for example, an alkylcarbonylamino group having 2 to 9 carbon atoms, a carbon atom). (Arylcarbonylamino group of 7 to 11), hydroxyl group, halogen atom such as chlorine atom, bromine atom, fluorine atom, etc., and substituted or unsubstituted alkyl group having 1 to 9 carbon atoms (eg, methyl group, ethyl group, n-propyl) Base,
A linear or branched alkyl group having 1 to 9 carbon atoms such as isopropyl group and n-butyl group, and these alkyl groups such as trifluoromethyl group and dimethylaminomethyl group are substituted with a fluorine atom, a substituted amino group or the like. Groups mentioned above. ) And a substituted or unsubstituted alkoxy group having 1 to 9 carbon atoms (for example, a linear or branched alkoxy group having 1 to 9 carbon atoms such as methoxy group, ethoxy group, isopropoxy group, and n-butoxy group, and Hydroxyethoxy group,
Examples thereof include groups in which these alkoxy groups such as a methoxyethoxy group are substituted with a hydroxyl group, an alkoxy group and the like. Represents a phenyl group having one or more of one or more substituents selected from

【0009】A、Bで示されるナフチル基は、−COO
H基又は−SO3 H基で置換されたナフチル基を表わ
す。またA、Bで示されるフェニル基又はナフチル基
は、少なくとも1つの−COOH基で置換されているこ
とが好ましい。R3 、R6 はH、−SO3 H基もしくは
−COOH基で置換されていてもよいフェニル基、又は
−COOH基で置換された炭素数1〜3のアルキル基を
表わし、R4 、R7 はH、又は−COOH基で置換され
た炭素数1〜3のアルキル基を表わすが、R4 、R7
Hを表わす場合には、R3 、R6 は好ましくはHまたは
−SO3 H基もしくは−COOH基で置換されていても
よいフェニル基を表わし、R4 、R7 が−COOH基で
置換された炭素数1〜3のアルキル基を表わす場合に
は、R3 、R6 は好ましくはHまたは−COOH基で置
換された炭素数1〜3のアルキル基を表わす。R5 、R
8 、R9 で示されるアルキル基の置換基としては、アル
コキシ基(例えばCH3 O−、C2 5 O−、n−C3
7 O−等)、アルコキシアルコキシ基(例えばCH3
OC2 4 O−等)、アルコキシアルコキシアルコキシ
基(例えばCH3 OC2 4 OC2 4 O−等)、ヒド
ロキシ基、ヒドロキシアルコキシ基(例えばHOC2
4 O−等)等が挙げられる。
The naphthyl group represented by A and B is --COO.
It represents a substituted naphthyl group H group or an -SO 3 H group. The phenyl group or naphthyl group represented by A or B is preferably substituted with at least one —COOH group. R 3 and R 6 represent H, a phenyl group which may be substituted with a —SO 3 H group or a —COOH group, or an alkyl group having 1 to 3 carbon atoms which is substituted with a —COOH group, and R 4 , R 4 7 represents H or an alkyl group having 1 to 3 carbon atoms which is substituted with a --COOH group, and when R 4 and R 7 represent H, R 3 and R 6 are preferably H or --SO 3 R 3 and R 6 each represent a phenyl group which may be substituted with an H group or a —COOH group, and R 4 and R 7 represent an alkyl group having 1 to 3 carbon atoms which is substituted with a —COOH group. Preferably represents an alkyl group having 1 to 3 carbon atoms which is substituted with H or —COOH group. R 5 , R
8 , the substituent of the alkyl group represented by R 9 is an alkoxy group (for example, CH 3 O—, C 2 H 5 O—, n—C 3
H 7 O-, etc.), an alkoxyalkoxy group (for example, CH 3
OC 2 H 4 O-, etc.), alkoxy alkoxyalkoxy groups (e.g., CH 3 OC 2 H 4 OC 2 H 4 O- , etc.), hydroxy group, hydroxyalkoxy group (e.g. HOC 2 H
4 O-, etc.) and the like.

【0010】本発明で使用される色素は一般式〔I〕又
は〔II〕で示される遊離酸型のまま使用してもよいが製
造時、塩型で得られた場合はそのまま使用してもよい
し、所望の塩型に変換してもよい。また、酸基の一部が
塩型のものであってもよく、塩型の色素と遊離酸型の色
素が混在していてもよい。このような塩型の例としては
Na、Li、K等のアルカリ金属の塩、アルキル基、ヒ
ドロキシアルキル基で置換されていてもよいアンモニウ
ムの塩、有機アミンの塩が挙げられる。有機アミンの例
としては、低級アルキルアミン、ヒドロキシ置換低級ア
ルキルアミン、カルボキシ置換低級アルキルアミン及び
炭素数2〜4のアルキレンイミン単位を2〜10個有す
るポリアミン等が挙げられる。これらの塩型の場合、そ
の塩の種類は1種類に限られず色素1分子中に複数種の
塩が含まれていてもよいし、異なる塩型の色素が混在し
ていてもよい。これ等の色素の具体例としては、例えば
以下のNo.1〜No.15に示す構造のアゾ染料が挙
げられる。
The dye used in the present invention may be used as it is in the free acid form represented by the general formula [I] or [II], but when it is obtained in the salt form at the time of production, it may be used as it is. Alternatively, it may be converted into a desired salt form. Further, a part of the acid group may be a salt type, and a salt type dye and a free acid type dye may be mixed. Examples of such a salt type include salts of alkali metals such as Na, Li and K, salts of ammonium which may be substituted with an alkyl group or hydroxyalkyl group, salts of organic amine. Examples of organic amines include lower alkylamines, hydroxy-substituted lower alkylamines, carboxy-substituted lower alkylamines, and polyamines having 2 to 10 alkyleneimine units having 2 to 4 carbon atoms. In the case of these salt types, the type of the salt is not limited to one type, and a plurality of types of salts may be contained in one molecule of the dye, or dyes of different salt types may be mixed. Specific examples of these dyes include, for example, Nos. 1-No. An azo dye having a structure shown in 15 is mentioned.

【0011】[0011]

【化3】 [Chemical 3]

【0012】[0012]

【化4】 [Chemical 4]

【0013】[0013]

【化5】 [Chemical 5]

【0014】[0014]

【化6】 [Chemical 6]

【0015】一般式〔I〕で示されるアゾ色素は、それ
自体周知の方法〔例えば、細田豊著「新染料化学」(昭
和48年12月21日 技報堂発行)第396〜409
頁参照〕に従って、ジアゾ化、カップリング工程を経て
製造することができる。記録液中における前記一般式
〔I〕又は〔II〕の色素の含有量としては、記録液全量
に対して0.5〜5重量%、特に2〜4重量%程度が好
ましい。
The azo dye represented by the general formula [I] can be obtained by a method known per se [for example, Yutaka Hosoda, "New Dye Chemistry" (published by Gihodo, December 21, 1973) Nos. 396-409.
Refer to page], and can be manufactured through the diazotization and coupling steps. The content of the dye of the general formula [I] or [II] in the recording liquid is preferably 0.5 to 5% by weight, particularly preferably 2 to 4% by weight, based on the total amount of the recording liquid.

【0016】本発明に用いられる水性媒体としては、水
及び水溶性有機溶剤として、例えばエチレングリコー
ル、プロピレングリコール、ブチレングリコール、ジエ
チレングリコール、トリエチレングリコール、ポリエチ
レングリコール(重量平均分子量(Mw)=190〜4
00)、グリセリン、N−メチルピロリドン、N−エチ
ルピロリドン、1,3−ジメチルイミダゾリジノン、チ
オジエタノール、ジメチルスルホキシド、エチレングリ
コールモノアリルエーテル、エチレングリコールモノメ
チルエーテル、ジエチレングリコールモノメチルエーテ
ル、2−ピロリドン、スルホラン、エチルアルコール、
イソプロピルアルコール等を含有しているのが好まし
い。これ等の水溶性有機溶剤は、通常記録液の全量に対
して1〜50重量%の範囲で使用される。一方、水は記
録液の全量に対して45〜95重量%の範囲で使用され
る。
The aqueous medium used in the present invention includes water and water-soluble organic solvents such as ethylene glycol, propylene glycol, butylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol (weight average molecular weight (Mw) = 190-4).
00), glycerin, N-methylpyrrolidone, N-ethylpyrrolidone, 1,3-dimethylimidazolidinone, thiodiethanol, dimethylsulfoxide, ethylene glycol monoallyl ether, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, 2-pyrrolidone, sulfolane. ,Ethyl alcohol,
It preferably contains isopropyl alcohol or the like. These water-soluble organic solvents are usually used in the range of 1 to 50% by weight based on the total amount of the recording liquid. On the other hand, water is used in the range of 45 to 95% by weight with respect to the total amount of the recording liquid.

【0017】本発明の記録液に、その全量に対して0.
1〜10重量%、好ましくは0.5〜5重量%の尿素、
チオ尿素、ビウレット、セミカルバジドから選ばれる化
合物を添加したり、又0.001〜5.0重量%の界面
活性剤を添加することによって、印字後の速乾性及び印
字品位をより一層改良することができる。
The recording liquid of the present invention contains 0.
1-10 wt% urea, preferably 0.5-5 wt% urea,
By adding a compound selected from thiourea, biuret, and semicarbazide, or by adding 0.001 to 5.0% by weight of a surfactant, the quick-drying property after printing and the printing quality can be further improved. it can.

【0018】[0018]

【実施例】以下本発明を実施例について更に詳細に説明
するが、本発明はその要旨を越えない限りこれ等の実施
例に限定されるものではない。 〔実施例1〕ジエチレングリコール10重量部、イソプ
ロピルアルコール3重量部、前記No.(1)の色素3
重量部に水を加え、アンモニア水でpHを9に調整して
全量を100重量部とした。この組成物を充分に混合し
て溶解し、孔径1μmのテフロンフィルターで加熱濾過
した後、真空ポンプ及び超音波洗浄機で脱気処理して記
録液を調製した。
EXAMPLES The present invention will now be described in more detail with reference to examples, but the present invention is not limited to these examples as long as the gist thereof is not exceeded. Example 1 10 parts by weight of diethylene glycol, 3 parts by weight of isopropyl alcohol, No. Dye 3 of (1)
Water was added to parts by weight and the pH was adjusted to 9 with aqueous ammonia to make the total amount 100 parts by weight. This composition was thoroughly mixed and dissolved, heated and filtered with a Teflon filter having a pore size of 1 μm, and then deaerated with a vacuum pump and an ultrasonic cleaner to prepare a recording liquid.

【0019】得られた記録液を使用し、インクジェット
プリンター(商品名HG−3000、エプソン社製品)
を用いて電子写真用紙(ゼロックス社製品)にインクジ
ェット記録を行い、高濃度(1.31)の黒色の印字物
を得た。また下記(a)、(b)及び(c)の方法によ
る諸評価を行なった。結果を表−1に示す (a)記録画像の耐光性:キセノンフェードメーター
(スガ試験機社製品)を用い、記録紙に100時間照射
した。照射後の変退色は小さかった。
An ink jet printer (trade name: HG-3000, manufactured by Epson) using the obtained recording liquid
Inkjet recording was carried out on an electrophotographic paper (manufactured by Xerox Co., Ltd.) to obtain a black printed matter of high density (1.31). Further, various evaluations were carried out by the following methods (a), (b) and (c). The results are shown in Table-1. (A) Light resistance of recorded image: Recording paper was irradiated with a xenon fade meter (product of Suga Test Instruments Co., Ltd.) for 100 hours. The discoloration and fading after irradiation was small.

【0020】(b)記録画像の耐水性: 耐水性試験 (1)試験方法 水道水中に記録画像を5分間浸漬したのち、 目視にて画像の滲みを調べた。 浸漬前後のベタ印字部分のOD値(印字濃度)をマ
クベス濃度計(TR927)にて測定した。 (2)試験結果 上記の結果、画像の滲みはわずかであった。上記の
浸漬前後のベタ印字部分の濃度変化を下記式によるOD
残存率の値で示すと、98.4%であった。
(B) Water resistance of recorded image: Water resistance test (1) Test method After the recorded image was immersed in tap water for 5 minutes, the bleeding of the image was visually examined. The OD value (printing density) of the solid printed portion before and after the immersion was measured with a Macbeth densitometer (TR927). (2) Test results As a result of the above, blurring of the image was slight. The density change of the solid print part before and after the immersion is calculated by the following formula: OD
The residual rate was 98.4%.

【0021】[0021]

【数1】OD残存率(%)=(浸漬後OD値/浸漬前O
D値)×100
[Formula 1] OD residual ratio (%) = (OD value after immersion / O before immersion)
D value) x 100

【0022】(c)記録液の保存安定性:記録液をテフ
ロン容器中に密閉し、5℃及び60℃で1ケ月間保存し
た後の変化を調べたところ、不溶物の析出は認められな
かった。 以上の(a)、(b)、(c)の評価において、目視判
定は○:良好、△:やや劣る、×:不良の三段階で評価
した。
(C) Storage stability of recording liquid: When the recording liquid was sealed in a Teflon container and stored at 5 ° C. and 60 ° C. for 1 month, the change was examined and no precipitation of insoluble matter was observed. It was In the above evaluations of (a), (b), and (c), the visual judgment was evaluated in three grades of ◯: good, Δ: somewhat inferior, and x: defective.

【0023】実施例2〜4 実施例1において用いた前記No.(1)の色素の代わ
りに、前記No.(5)、No.(10)及びNo.
(15)の色素をそれぞれ使用した以外は、実施例1の
方法により、記録液を調製し、これを用いて印字を行
い、黒色の記録物を得た。更にこの記録物に対して実施
例1の(a)〜(c)による諸評価を行った。この結
果、実施例1と同様に何れも良好な結果を得た。OD残
存率は各々97.5%、96.2%、99.1%であっ
た。結果を以下の表−1に示す。
Examples 2 to 4 Nos. Used in Example 1 were used. Instead of the dye of (1), the above No. (5), No. (10) and No.
A recording liquid was prepared by the method of Example 1 except that each of the dyes of (15) was used, and printing was performed using this to obtain a black recorded product. Furthermore, various evaluations according to (a) to (c) of Example 1 were performed on this recorded material. As a result, good results were obtained in the same manner as in Example 1. The OD residual rates were 97.5%, 96.2%, and 99.1%, respectively. The results are shown in Table 1 below.

【0024】比較例1 実施例1におけるNo.(1)の色素の代わりにC.
I.フードブラック2を用い、実施例1と同様にして組
成物を調製、次いで処理して記録液を得た。この記録液
を用い、実施例1と同様に印字し、黒色の記録物を得
た。得られた記録物に対して実施例1の(a)〜(c)
による諸評価を行った。結果を以下の表−1に示す。
Comparative Example 1 No. 1 in Example 1 Instead of the dye of (1), C.I.
I. A composition was prepared using Food Black 2 in the same manner as in Example 1 and then treated to obtain a recording liquid. Using this recording liquid, printing was performed in the same manner as in Example 1 to obtain a black recorded material. For the obtained recorded matter, (a) to (c) of Example 1
Various evaluations were performed. The results are shown in Table 1 below.

【0025】比較例2 実施例1におけるNo.(1)の色素の代わりに特開昭
58−176261号公報に記載されている下記構造式
*1の化合物を用い、実施例1と同様にして組成物を調
製、次いで処理して記録液を得た。この記録液を用い、
実施例1と同様に印字し紫色の記録物を得た。得られた
記録物に対して実施例1の(a)〜(c)による諸評価
を行った。結果を以下の表−1に示す。
Comparative Example 2 No. 1 in Example 1 A compound having the following structural formula * 1 described in JP-A-58-176261 was used in place of the dye (1) to prepare a composition in the same manner as in Example 1, and then the composition was treated to prepare a recording liquid. Obtained. Using this recording liquid,
Printing was performed in the same manner as in Example 1 to obtain a purple recorded material. Various evaluations according to (a) to (c) of Example 1 were performed on the obtained recorded matter. The results are shown in Table 1 below.

【0026】[0026]

【化7】 [Chemical 7]

【0027】[0027]

【表1】 [Table 1]

【0028】実施例5〜15 実施例1において用いた前記No.(1)の色素の代わ
りに、前記No.(2)〜(4)、No.(6)〜
(9)、No.(11)〜(14)の色素のそれぞれを
使用し、実施例1の方法により記録液を調製し、印字を
行い、黒色の記録物を得た。この記録物に対して実施例
1の(a)〜(c)による諸評価を行なった。その結
果、実施例1と同様に何れも良好な結果を得た。また、
色素No.(2)を使用した記録液のOD残存率は9
8.8%であり、色素No.(3)を使用した記録液の
OD残存率は98.2%であった。
Examples 5 to 15 Nos. Used in Example 1 were used. Instead of the dye of (1), the above No. (2) to (4), No. (6) ~
(9), No. Using each of the dyes (11) to (14), a recording liquid was prepared by the method of Example 1 and printing was performed to obtain a black recorded matter. Various evaluations according to (a) to (c) of Example 1 were performed on this recorded material. As a result, as in Example 1, good results were obtained. Also,
Dye No. The OD residual rate of the recording liquid using (2) is 9
8.8%, and the dye No. The OD residual rate of the recording liquid using (3) was 98.2%.

【0029】[0029]

【発明の効果】本発明の記録液は、インクジェット記録
用、筆記用具用等として用いられ、普通紙に記録した場
合、黒色系の記録物を得ることができ、その印字濃度及
び耐光性、耐水性が優れている他、記録液としての保存
安定性も良好である。
INDUSTRIAL APPLICABILITY The recording liquid of the present invention is used for ink jet recording, writing instruments, etc., and when recorded on plain paper, a black recorded matter can be obtained, and its printing density, light resistance, and water resistance. In addition to excellent properties, it also has good storage stability as a recording liquid.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平9−143412(JP,A) 特表 平6−504562(JP,A) (58)調査した分野(Int.Cl.7,DB名) C09D 11/00 - 11/20 CA(STN) REGISTRY(STN)─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Japanese Patent Laid-Open No. 9-143412 (JP, A) Special Table 6-504562 (JP, A) (58) Fields investigated (Int.Cl. 7 , DB name) C09D 11/00-11/20 CA (STN) REGISTRY (STN)

Claims (6)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 水性媒体と、遊離酸の型が下記一般式
〔I〕又は〔II〕で示される色素から選ばれる少なくと
も1種の色素を含有することを特徴とする記録液。 【化1】 〔式中、A及びBは−COOH基、−SO3 H基、アミ
ノ基、アシルアミノ基、水酸基、ハロゲン原子、置換も
しくは非置換の炭素数1〜9のアルキル基及び置換もし
くは非置換の炭素数1〜9のアルコキシ基から選ばれる
基で置換されたフェニル基または−COOH基、もしく
は−SO3 H基で置換されたナフチル基を表わし、R1
及びR2 は各々独立に−COOH基または−CONR8
9 基を表わし(但し、R1 、R2 が同時に−COOH
基を表わすことはない。)、R3 、R6 は各々独立に、
水素原子、−SO3 H基もしくは−COOH基で置換さ
れていてもよいフェニル基、又は−COOH基で置換さ
れた炭素数1〜3のアルキル基を表わし、R4 、R7
各々独立に水素原子または−COOH基で置換された炭
素数1〜3のアルキル基を表わし、R5 、R8 、R9
各々独立に水素原子、又は置換されていても良い炭素数
1〜9のアルキル基を表わし、mとnは各々独立に0又
は1の数を表わす。〕
1. A recording liquid comprising an aqueous medium and at least one dye selected from the dyes represented by the following general formula [I] or [II] in the form of free acid. [Chemical 1] [In the formula, A and B are —COOH group, —SO 3 H group, amino group, acylamino group, hydroxyl group, halogen atom, substituted or unsubstituted alkyl group having 1 to 9 carbon atoms, and substituted or unsubstituted carbon number A phenyl group substituted with a group selected from alkoxy groups 1 to 9 or a --COOH group, or a naphthyl group substituted with a --SO 3 H group, and R 1
And R 2 are each independently a —COOH group or a —CONR 8
Represents an R 9 group (provided that R 1 and R 2 are simultaneously -COOH;
It does not represent a group. ), R 3 and R 6 are each independently
Hydrogen atom, -SO 3 H group or -COOH phenyl group which may be substituted with a group, or a substituted alkyl group having 1 to 3 carbon atoms in the -COOH group, R 4, R 7 are each independently Represents an alkyl group having 1 to 3 carbon atoms substituted with a hydrogen atom or a --COOH group, and R 5 , R 8 and R 9 each independently represent a hydrogen atom or an optionally substituted alkyl group having 1 to 9 carbon atoms. Represents a group, and m and n each independently represent a number of 0 or 1. ]
【請求項2】 前記一般式〔I〕において、Aが少なく
とも1つの−COOH基で置換されたフェニル基もしく
はナフチル基であることを特徴とする請求項1記載の記
録液。
2. The recording liquid according to claim 1, wherein in the general formula [I], A is a phenyl group or a naphthyl group substituted with at least one —COOH group.
【請求項3】 前記一般式〔II〕において、Bが少なく
とも1つの−COOH基で置換されたフェニル基もしく
はナフチル基であることを特徴とする請求項1記載の記
録液。
3. The recording liquid according to claim 1, wherein B in the general formula [II] is a phenyl group or a naphthyl group substituted with at least one —COOH group.
【請求項4】 遊離酸の型が下記一般式〔I〕又は〔I
I〕で示されることを特徴とするインクジェット記録用
色素。 【化2】 〔式中、A及びBは−COOH基、−SO 3 H基、アミ
ノ基、アシルアミノ基、水酸基、ハロゲン原子、置換も
しくは非置換の炭素数1〜9のアルキル基及び置換もし
くは非置換の炭素数1〜9のアルコキシ基から選ばれる
基で置換されたフェニル基または−COOH基、もしく
は−SO 3 H基で置換されたナフチル基を表わし、R 1
及びR 2 は各々独立に−COOH基または−CONR 8
9 基を表わし(但し、R 1 、R 2 が同時に−COOH
基を表わすことはない。)、R 3 6 は各々独立に、
水素原子、−SO 3 H基もしくは−COOH基で置換さ
れていてもよいフェニル基、又は−COOH基で置換さ
れた炭素数1〜3のアルキル基を表わし、R 4 、R 7
各々独立に水素原子または−COOH基で置換された炭
素数1〜3のアルキル基を表わし、R 5 、R 8 、R 9
各々独立に水素原子、又は置換されていても良い炭素数
1〜9のアルキル基を表わし、mとnは各々独立に0又
は1の数を表わす。〕
4. The type of free acid is represented by the following general formula [I] or [I].
For inkjet recording characterized by
Pigment. [Chemical 2] Wherein, A and B are -COOH group, -SO 3 H group, amino
Group, acylamino group, hydroxyl group, halogen atom, substitution
Or an unsubstituted alkyl group having 1 to 9 carbon atoms and a substituted
Or an unsubstituted alkoxy group having 1 to 9 carbon atoms
A phenyl group or a -COOH group substituted with a group, or
Represents a naphthyl group substituted with a —SO 3 H group, and R 1
And R 2 are each independently a —COOH group or a —CONR 8
Represents an R 9 group (provided that R 1 and R 2 are simultaneously -COOH;
It does not represent a group. ), R 3 and R 6 are each independently
It is replaced by hydrogen atom, -SO 3 H group or a -COOH group
Substituted with an optionally substituted phenyl group or -COOH group
Represents an alkyl group having 1 to 3 carbon atoms, and R 4 and R 7 are
Charcoal independently substituted with hydrogen atom or --COOH group
Represents an alkyl group having a prime number of 1 to 3, and R 5 , R 8 and R 9 are
Each independently a hydrogen atom or the number of carbon atoms that may be substituted
1 to 9 alkyl groups, m and n are each independently 0 or
Represents the number 1. ]
【請求項5】5. 前記一般式〔I〕において、Aが少なくIn the general formula [I], A is less
とも1つの−COOH基で置換されたフェニル基もしくOr a phenyl group substituted with one -COOH group
はナフチル基であることを特徴とする請求項4記載のイIs a naphthyl group.
ンクジェット記録用色素。Ink jet recording dye.
【請求項6】6. 前記一般式〔II〕において、Bが少なくIn the general formula [II], B is less
とも1つの−COOH基で置換されたフェニル基もしくOr a phenyl group substituted with one -COOH group
はナフチル基であることを特徴とする請求項4記載のイIs a naphthyl group.
ンクジェット記録用色素。Ink jet recording dye.
JP33182595A 1995-07-14 1995-12-20 Recording liquid Expired - Lifetime JP3428263B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP33182595A JP3428263B2 (en) 1995-12-20 1995-12-20 Recording liquid
EP96305103A EP0757087B1 (en) 1995-07-14 1996-07-11 A recording liquid suitable for ink-jet recording
DE69604252T DE69604252T2 (en) 1995-07-14 1996-07-11 Recording liquid for ink jet recording
US08/679,069 US5725644A (en) 1995-07-14 1996-07-12 Recording liquid and recording method according to ink-jet recording system using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33182595A JP3428263B2 (en) 1995-12-20 1995-12-20 Recording liquid

Publications (2)

Publication Number Publication Date
JPH09169935A JPH09169935A (en) 1997-06-30
JP3428263B2 true JP3428263B2 (en) 2003-07-22

Family

ID=18248070

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33182595A Expired - Lifetime JP3428263B2 (en) 1995-07-14 1995-12-20 Recording liquid

Country Status (1)

Country Link
JP (1) JP3428263B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2455431A1 (en) 2003-10-23 2012-05-23 Fujifilm Corporation Ink and ink set for inkjet recording

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007302807A (en) * 2006-05-12 2007-11-22 Mitsubishi Chemicals Corp Azo dye for anisotropic dye film, composition containing the azo dye, anisotropic dye film and polarizing element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2455431A1 (en) 2003-10-23 2012-05-23 Fujifilm Corporation Ink and ink set for inkjet recording

Also Published As

Publication number Publication date
JPH09169935A (en) 1997-06-30

Similar Documents

Publication Publication Date Title
JP3368659B2 (en) Recording liquid
JP3371542B2 (en) Recording liquid
JP3486966B2 (en) Recording liquid
JP3428263B2 (en) Recording liquid
JP2993161B2 (en) Recording liquid
JP3511677B2 (en) Recording liquid
JP3033294B2 (en) Recording liquid
JP3092258B2 (en) Recording liquid
JP3033310B2 (en) Recording liquid
JP3412369B2 (en) Recording liquid
JP3374605B2 (en) Recording liquid
JP2893958B2 (en) Recording liquid
JP3503401B2 (en) Recording liquid
JP3362497B2 (en) Recording liquid
JP3467533B2 (en) Recording liquid
JP3504102B2 (en) Recording liquid
JP3412336B2 (en) Recording liquid
JP3484581B2 (en) Recording liquid
JP3511672B2 (en) Recording liquid and ink jet recording method using the recording liquid
JP3503346B2 (en) Recording liquid
JP3486952B2 (en) Recording liquid
JP3358349B2 (en) Recording liquid
JP3033293B2 (en) Recording liquid
JPH07292303A (en) Recording solution
JPH0762282A (en) Recording liquid

Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080516

Year of fee payment: 5

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090516

Year of fee payment: 6

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090516

Year of fee payment: 6

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100516

Year of fee payment: 7

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100516

Year of fee payment: 7

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110516

Year of fee payment: 8

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120516

Year of fee payment: 9

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130516

Year of fee payment: 10

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140516

Year of fee payment: 11

EXPY Cancellation because of completion of term