JPS61200182A - Aqueous pigment ink - Google Patents

Aqueous pigment ink

Info

Publication number
JPS61200182A
JPS61200182A JP60039713A JP3971385A JPS61200182A JP S61200182 A JPS61200182 A JP S61200182A JP 60039713 A JP60039713 A JP 60039713A JP 3971385 A JP3971385 A JP 3971385A JP S61200182 A JPS61200182 A JP S61200182A
Authority
JP
Japan
Prior art keywords
water
ink
benzotriazole
parts
acrylic acid
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.)
Granted
Application number
JP60039713A
Other languages
Japanese (ja)
Other versions
JPH0558037B2 (en
Inventor
Hiromi Sano
博美 佐野
Takeshi Toyama
武志 外山
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.)
Pentel Co Ltd
Original Assignee
Pentel Co Ltd
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 Pentel Co Ltd filed Critical Pentel Co Ltd
Priority to JP60039713A priority Critical patent/JPS61200182A/en
Publication of JPS61200182A publication Critical patent/JPS61200182A/en
Publication of JPH0558037B2 publication Critical patent/JPH0558037B2/ja
Granted legal-status Critical Current

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

Abstract

PURPOSE:To provide the titled ink of high dispersion stability and corrosion resistance, comprising a pigment, specific styrene-acrylic acid copolymer, benzotriazole, water-soluble organic solvent and water. CONSTITUTION:The objective ink comprising (A) a pigment, (B) a styrene-acrylic acid copolymer of formula [R1 is -(CH2)m-H; m is integer 0-5; R2 is -(CH2)l-H; lis integer 0-2], (C) benzotriazole, (D) a water-soluble organic solvent and (E) water. The amounts of the components (A), (B), and (C) to be used are pref. such as to be 5-20wt.%, 2-15wt.% and 0.01-1wt.%, based on the whole amount of the ink, respectively.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は水性顔料インキに関し、更に詳細には分散安定
性、及び耐腐食性に優れた水性顔料インキに関するもの
である。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a water-based pigment ink, and more particularly to a water-based pigment ink with excellent dispersion stability and corrosion resistance.

(従来の技術) 従来より、水性顔料インキは耐水性、耐光性に優れてお
り、各種用途に使用されている。
(Prior Art) Water-based pigment inks have conventionally been excellent in water resistance and light resistance, and have been used for various purposes.

(発明が解決しようとする問題点) 然し乍ら筆記具用インキ等の低粘度での使用は顔料の分
散性が不安定で凝集しやすく、経時により筆記不能とな
るという問題があった。又。
(Problems to be Solved by the Invention) However, when using a low viscosity ink for writing instruments, etc., there is a problem that the dispersibility of the pigment is unstable and tends to aggregate, making it impossible to write with the ink over time. or.

金属製のペン先等の金属部材を使用した場合。When using metal parts such as metal pen nibs.

インキ中に含まれる腐食成分のため金属部材が腐食し、
筆記不能となるという問題があった。
Metal parts corrode due to the corrosive components contained in the ink,
There was a problem that it became impossible to write.

(問題を解決する為の手段) 本発明者等は上述せる水性顔料インキの分散性及び耐腐
食性を改良すべく種々検討を重ねた結果下記一般式(I
)で示されるスチレン−アクリル酸共重合物とベンゾト
リアゾールを併用することで分散性が安定し、かつ金属
部材を腐食させることがなくなるということを見い出し
本発明を完成したものである。即ち本発明は顔料と、下
記一般式(I)で示されるスチレン−アクリル酸共重合
物と、ベンゾトリアゾールと、水溶性有機溶剤と、水と
から少なくともなる水性顔料インキを要旨とするもので
ある。
(Means for Solving the Problem) The present inventors conducted various studies to improve the dispersibility and corrosion resistance of the water-based pigment ink described above, and as a result, the following general formula (I
The present invention was completed based on the discovery that the combined use of the styrene-acrylic acid copolymer shown in ) and benzotriazole stabilizes the dispersibility and prevents metal members from corroding. That is, the gist of the present invention is an aqueous pigment ink comprising at least a pigment, a styrene-acrylic acid copolymer represented by the following general formula (I), benzotriazole, a water-soluble organic solvent, and water. .

(作用) 本発明の水性顔料インキが何故分散安定性及び耐腐食性
忙優れるかは以下の様に推察される。
(Function) The reason why the aqueous pigment ink of the present invention has excellent dispersion stability and corrosion resistance is surmised as follows.

ベンゾトリアゾールは鋼糸の腐食防止剤として公知のも
のであるが、水性顔料インキに使用した場合、顔料の分
散系をくずしてしまいインキが凝集するため使用できな
かった。しかし。
Benzotriazole is known as a corrosion inhibitor for steel threads, but when used in water-based pigment inks, it could not be used because it would destroy the pigment dispersion system and cause the ink to coagulate. but.

前記一般式(I)で示されるスチレン−アクリル酸共重
合物と併用することにより顔料の分散系をくずすことな
く腐食防止作用を示す。これは顔料表面に前記一般式(
1)c−示されるスチレン−アクリル酸共重合物が吸着
し、その外側にベンゾトリアゾールが化学的に吸着して
いるためと思われる。
When used in combination with the styrene-acrylic acid copolymer represented by the general formula (I), it exhibits corrosion-inhibiting action without destroying the pigment dispersion system. This is because the general formula (
1) This is probably because the styrene-acrylic acid copolymer shown in c-adsorbs and the benzotriazole is chemically adsorbed on the outside thereof.

(発明の構成) 次に本発明の各成分について詳細に説明する。(Structure of the invention) Next, each component of the present invention will be explained in detail.

前記一般式(I)で示されるスチレン−アクリル酸共重
合物は分散剤として使用するもので。
The styrene-acrylic acid copolymer represented by the general formula (I) is used as a dispersant.

ベンゾトリアゾールとの併用に適しており、一般的には
スチレン成分とアクリル酸成分の共重合物であり、スチ
レン成分としてはスチレン。
Suitable for use in combination with benzotriazole, it is generally a copolymer of a styrene component and an acrylic acid component, and the styrene component is styrene.

α−メチルスチレン、α−エチルスチレン、α−プロピ
ルスチレン、α−ブチルスチレン、α−ペンチルスチレ
ンであり、アクリル酸成分としてはアクリル酸、メタク
リル酸、エタクリル酸であり2両成分の組み合せは任意
に行なうことができる。これら前記一般式(I)で示さ
れるスチレン−アクリル酸共重合物の使用量はインキ全
量に対して1〜20重量%、好ましくは2〜15重量%
である。
α-methylstyrene, α-ethylstyrene, α-propylstyrene, α-butylstyrene, α-pentylstyrene, and the acrylic acid component is acrylic acid, methacrylic acid, and ethacrylic acid, and the combination of these two components is arbitrary. can be done. The amount of the styrene-acrylic acid copolymer represented by the general formula (I) used is 1 to 20% by weight, preferably 2 to 15% by weight based on the total amount of the ink.
It is.

ベンゾトリアゾールは前記一般式(I)で示されるスチ
レン−アクリル酸共重合物を使用した水性顔料インキ系
をくずさずに腐食防止作用を行なうもので、その使用量
はインキ全量に対して0.01〜1jl[量%が好まし
い。
Benzotriazole is used to prevent corrosion without damaging the aqueous pigment ink system using the styrene-acrylic acid copolymer represented by the general formula (I), and the amount used is 0.01% of the total amount of ink. ~1jl [amount % is preferred.

顔料としては、一般に市販されている顔料がすべて使用
可能であって、その例を挙げると。
As the pigment, all commercially available pigments can be used, and here are some examples.

カーボンブラック、フタロシアニンブルー(C,L74
16o)、フタロシアニングリーン(C−1,7426
0)、 ハンf:r−o−3G (C−I。
Carbon black, phthalocyanine blue (C, L74
16o), phthalocyanine green (C-1,7426
0), Han f: r-o-3G (C-I.

11670)、i)ス7ゾ!0−GR(C,1,211
00)、パー?ネン) v y F 4 R(C,I−
12335)、ブU7>トヵーミン6B(C,1,15
850)、 *ナクリト>Vy F (C,1,465
00)などが使用でき、その使用量はインキ全量に対し
て5〜20重量%が好ましい。
11670), i) Su7zo! 0-GR(C,1,211
00), par? ) v y F 4 R (C, I-
12335), BuU7>Tocarmine 6B (C, 1, 15
850), *Nakrit > Vy F (C, 1,465
00) and the like can be used, and the amount used is preferably 5 to 20% by weight based on the total amount of the ink.

尚、使用する顔料の種類2割合は、適宜選択されるもの
である。
Incidentally, the types and ratios of the two types of pigments to be used are selected as appropriate.

溶剤としては、水は勿論のこと、グリコール系溶剤、グ
リコールエーテル系溶剤2グリコールエーテルエステル
系溶剤、グリセリン、ピロリドンなどの水溶性有機溶剤
が使用できる。
As the solvent, not only water but also water-soluble organic solvents such as glycol solvents, glycol ether solvents, glycol ether ester solvents, glycerin, and pyrrolidone can be used.

その他、1.2−ベンゾイソチアゾリン−6オン、ペン
タクロロフェノール、クレゾールなどの防腐防カビ剤や
、水溶性シリコーンオイルなどの潤滑剤や、各種界面活
性剤が適宜選択して使用できる。
In addition, antiseptic and fungicides such as 1,2-benzisothiazolin-6one, pentachlorophenol, and cresol, lubricants such as water-soluble silicone oil, and various surfactants can be appropriately selected and used.

(実施例) 以下実施例に基づき本発明の詳細な説明するが、実施例
中「部」とあるのは「重量部」を示す。
(Example) The present invention will be described in detail below based on Examples, where "parts" in the examples indicate "parts by weight."

実施例1 銅フタロシアニンブ#−(C91,74160)   
 an部シ目ンクリル61J(スチレン−アクリル酸共
重合物。
Example 1 Copper phthalocyanine #-(C91,74160)
An part: Acryl 61J (styrene-acrylic acid copolymer).

ジッンソン■製)     &0部 ベンゾトリアゾール        0.2部プロピレ
ングリコール       10.0部エチレングリコ
ール       10.0部水          
                 658部上記上記
上混合し、攪拌機にて2時間プレミックスし、更にテン
ドミルにて10時間摩砕した後、粗大粒子を濾過なと姥
より除去し、青色インキを得た。
(manufactured by Jinson) &0 parts Benzotriazole 0.2 parts Propylene glycol 10.0 parts Ethylene glycol 10.0 parts Water
658 parts The above mixture was mixed, premixed for 2 hours using a stirrer, and further ground for 10 hours using a tendon mill. Coarse particles were removed through filtration to obtain a blue ink.

比較例1 実施例1においてベンゾトリアゾールを除き。Comparative example 1 Excluding benzotriazole in Example 1.

その量水を加えた以外は実施例1と同様にして青色イン
キを得た。
A blue ink was obtained in the same manner as in Example 1 except that the same amount of water was added.

実施例2 銅フタロシアニングリーン(C,I。74260)  
10.0部ジョンクリル62(α−メチルスチレン−ア
クリル酸共重合物、ジ冒ノンン■11)I ao部ベン
ゾトリアゾール        04部エチレングリコ
ール        15.0部プロピレングリコール
       io、0部水            
              54.6部上記成分を混
合し、攪拌機たて2時間プレミックスし、更にボールミ
ルにて15時間摩砕した後、粗大粒子を濾過などにより
除去し、緑色インキを得た。
Example 2 Copper phthalocyanine green (C, I. 74260)
10.0 parts Joncryl 62 (α-methylstyrene-acrylic acid copolymer, dibenzene 11) I ao part benzotriazole 04 parts ethylene glycol 15.0 parts propylene glycol io, 0 parts water
54.6 parts The above components were mixed, premixed for 2 hours using a stirrer, and further ground in a ball mill for 15 hours, and coarse particles were removed by filtration to obtain a green ink.

比較例2 実施例2においてジョンクリル62の代わりにS MA
 1440H(スチレン−マレイン酸共重合物* AR
COchemical Company製)を使用した
以外は実施例2と同様にして緑色インキを得た。
Comparative Example 2 In Example 2, SMA was used instead of Jonkryl 62.
1440H (styrene-maleic acid copolymer * AR
A green ink was obtained in the same manner as in Example 2, except that a green ink (manufactured by COchemical Company) was used.

実施例5 カーボンブラック(C,L77265)     7.
0部ジョンクリル61 J         9Q部ベ
ンゾトリアゾール        (11部エチレング
リコール       2αa部水         
                 6&9部上記成分
を混合し、攪拌機にて1時間プレミックスし、更にサン
ドミルにて5時間摩砕した後、粗大粒子を濾過などによ
り除去し、黒色インキを得た。
Example 5 Carbon black (C, L77265) 7.
0 parts Joncryl 61 J 9Q parts Benzotriazole (11 parts ethylene glycol 2αa parts Water
6 & 9 parts The above components were mixed, premixed for 1 hour using a stirrer, and further ground for 5 hours using a sand mill. Coarse particles were removed by filtration etc. to obtain a black ink.

比較例3 実施例5においてベンゾトリアゾールを除キ。Comparative example 3 In Example 5, benzotriazole was omitted.

その量水を加えた以外は実施例3と同様にして黒色イン
キを得た。
A black ink was obtained in the same manner as in Example 3 except that the same amount of water was added.

実施例4 キナクリドンレッド(C,1,46500)    I
 CLO部ジ!嘴ンニクリル 62         
      10.0部ベンゾトリアゾール     
   Q、4部エチレングリコール        1
5.0部プロピレングリコール       1Q、0
部水                       
   54.6部上記成分を混合し、攪拌機にて2時間
プレミックスし、更にボールミルにて10時間摩砕した
後、粗大粒子を濾過などにより除去し、赤色インキを得
た。
Example 4 Quinacridone Red (C, 1,46500) I
CLO Club Ji! Beak Nikryl 62
10.0 parts benzotriazole
Q, 4 parts ethylene glycol 1
5.0 parts propylene glycol 1Q, 0
Department water
54.6 parts The above components were mixed, premixed for 2 hours using a stirrer, and further ground for 10 hours using a ball mill. Coarse particles were removed by filtration to obtain a red ink.

比較例4 実施例4においてジョンクリル62の代わりKSMA1
440Hを使用した以外は実施例4と同様にして赤色イ
ンキを得た。
Comparative Example 4 KSMA1 instead of Jonkryl 62 in Example 4
A red ink was obtained in the same manner as in Example 4 except that 440H was used.

(発明の効果) 以上実施例1・〜4.比較例1〜4で得られたインキの
分散安定性試験、耐腐食性試験の結果を表−1に示す。
(Effect of the invention) Above are Examples 1 to 4. Table 1 shows the results of the dispersion stability test and corrosion resistance test of the inks obtained in Comparative Examples 1 to 4.

表−1 米11分散安定性試験 インキを試験管に入れ密閉し、100’C,4時間加熱
後、室温にもどし、メンプランフイルターに点滴したも
のと、未加熱のインキをメンブランフィルタ−に点滴し
たものとの顔料の分散状態を比較した。
Table 1 Rice 11 Dispersion Stability Test Ink was placed in a test tube, sealed, heated at 100'C for 4 hours, returned to room temperature, and dripped into a membrane filter, and unheated ink was dripped into a membrane filter. The dispersion state of the pigment was compared with that of

○:変化なし  ×:凝集 帯2.耐腐食性試験 インキを試験管に入れ、そこ九真鍮の丸棒を入れ密閉し
80℃、1週間放置後、室温にもどし、真鍮の丸棒の表
面を観察した。
○: No change ×: Coagulation zone 2. Corrosion resistance test ink was placed in a test tube, a round brass rod was placed there, the tube was sealed, and the tube was left at 80°C for one week, then returned to room temperature and the surface of the round brass rod was observed.

○:変化なし  ×:腐食あり 以上で説明した如く2本発明の水性顔料インキは分散安
定性、耐腐食性に優れたものであり。
○: No change ×: Corrosion As explained above, the water-based pigment ink of the present invention has excellent dispersion stability and corrosion resistance.

筆記具用インキの他、記録計用、印刷用、ジェットプリ
ンタ用などにも使用できるものである。
In addition to ink for writing instruments, it can also be used for recorders, printing, jet printers, etc.

Claims (1)

【特許請求の範囲】 顔料と、下記一般式( I )で示されるスチレン−アク
リル酸共重合物と、ベンゾトリアゾールと、水溶性有機
溶剤と、水とから少なくともなる水性顔料インキ。 一般式 ▲数式、化学式、表等があります▼・・・・・・・・・
・・・( I ) (式中、R_1は−(CH_2)−mH(m=0〜5の
整数)を示しR_3は−(CH_2)−lH(l=0〜
2の整数)を示す。)
[Scope of Claims] A water-based pigment ink comprising at least a pigment, a styrene-acrylic acid copolymer represented by the following general formula (I), benzotriazole, a water-soluble organic solvent, and water. General formulas▲Mathematical formulas, chemical formulas, tables, etc.▼・・・・・・・・・
...(I) (In the formula, R_1 represents -(CH_2)-mH (m = integer from 0 to 5), and R_3 represents -(CH_2)-lH (l = 0 to
2 integer). )
JP60039713A 1985-02-28 1985-02-28 Aqueous pigment ink Granted JPS61200182A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60039713A JPS61200182A (en) 1985-02-28 1985-02-28 Aqueous pigment ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60039713A JPS61200182A (en) 1985-02-28 1985-02-28 Aqueous pigment ink

Publications (2)

Publication Number Publication Date
JPS61200182A true JPS61200182A (en) 1986-09-04
JPH0558037B2 JPH0558037B2 (en) 1993-08-25

Family

ID=12560626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60039713A Granted JPS61200182A (en) 1985-02-28 1985-02-28 Aqueous pigment ink

Country Status (1)

Country Link
JP (1) JPS61200182A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63289081A (en) * 1987-05-20 1988-11-25 Sakura Color Prod Corp Water-base ink composition for ball point pen
US5172133A (en) * 1990-08-31 1992-12-15 Canon Kabushiki Kaisha Ink jet recording with an ink composition containing pigment
US5248089A (en) * 1988-08-15 1993-09-28 Wagner Spray Tech Corporation Combination carrying case/paint container
DE4323733C1 (en) * 1993-07-15 1994-09-08 Wagner Gmbh J Delivery pump
US5439514A (en) * 1993-04-01 1995-08-08 Canon Kabushiki Kaisha Ink, production thereof, and ink-jet recording method and apparatus employing the same
US5492952A (en) * 1993-03-22 1996-02-20 Canon Kabushiki Kaisha Ink, ink-jet recording process and apparatus making use of the same
EP0712735A1 (en) 1994-11-17 1996-05-22 Canon Kabushiki Kaisha Ink-jet recording and image formation methods and recording medium
US6231167B1 (en) 1996-07-09 2001-05-15 Canon Kabushiki Kaisha Liquid discharging head, liquid discharging method, head cartridge, liquid discharging apparatus, liquid discharging printing method, printing system, head kit and head recovery method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55152768A (en) * 1979-05-18 1980-11-28 Pilot Pen Co Ltd:The Writing ink
JPS5880668A (en) * 1981-11-09 1983-05-14 Canon Inc Paper feed controller
JPS5974175A (en) * 1982-10-20 1984-04-26 Sakura Color Prod Corp Ink composition for water-base ball point pen
JPS59129272A (en) * 1983-01-13 1984-07-25 Shiyachihata Kogyo Kk Multipurpose ink
JPS59217776A (en) * 1983-05-24 1984-12-07 Mikuni Shikiso Kk Aqueous pigment composition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55152768A (en) * 1979-05-18 1980-11-28 Pilot Pen Co Ltd:The Writing ink
JPS5880668A (en) * 1981-11-09 1983-05-14 Canon Inc Paper feed controller
JPS5974175A (en) * 1982-10-20 1984-04-26 Sakura Color Prod Corp Ink composition for water-base ball point pen
JPS59129272A (en) * 1983-01-13 1984-07-25 Shiyachihata Kogyo Kk Multipurpose ink
JPS59217776A (en) * 1983-05-24 1984-12-07 Mikuni Shikiso Kk Aqueous pigment composition

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63289081A (en) * 1987-05-20 1988-11-25 Sakura Color Prod Corp Water-base ink composition for ball point pen
US5248089A (en) * 1988-08-15 1993-09-28 Wagner Spray Tech Corporation Combination carrying case/paint container
US5172133A (en) * 1990-08-31 1992-12-15 Canon Kabushiki Kaisha Ink jet recording with an ink composition containing pigment
US5492952A (en) * 1993-03-22 1996-02-20 Canon Kabushiki Kaisha Ink, ink-jet recording process and apparatus making use of the same
US5599859A (en) * 1993-03-22 1997-02-04 Canon Kabushiki Kaisha Ink, ink-jet recording process and apparatus making use of the same
US5439514A (en) * 1993-04-01 1995-08-08 Canon Kabushiki Kaisha Ink, production thereof, and ink-jet recording method and apparatus employing the same
DE4323733C1 (en) * 1993-07-15 1994-09-08 Wagner Gmbh J Delivery pump
US5591012A (en) * 1993-07-15 1997-01-07 J. Wagner Gmbh Conveying pump for supply containers of various heights
EP0712735A1 (en) 1994-11-17 1996-05-22 Canon Kabushiki Kaisha Ink-jet recording and image formation methods and recording medium
US6231167B1 (en) 1996-07-09 2001-05-15 Canon Kabushiki Kaisha Liquid discharging head, liquid discharging method, head cartridge, liquid discharging apparatus, liquid discharging printing method, printing system, head kit and head recovery method

Also Published As

Publication number Publication date
JPH0558037B2 (en) 1993-08-25

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