JPS61246271A - Water-based pigment ink for writing utensil - Google Patents
Water-based pigment ink for writing utensilInfo
- Publication number
- JPS61246271A JPS61246271A JP60088190A JP8819085A JPS61246271A JP S61246271 A JPS61246271 A JP S61246271A JP 60088190 A JP60088190 A JP 60088190A JP 8819085 A JP8819085 A JP 8819085A JP S61246271 A JPS61246271 A JP S61246271A
- Authority
- JP
- Japan
- Prior art keywords
- water
- ink
- examples
- pigment
- styrene
- 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.)
- Pending
Links
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は筆記具用、脣にペン先に繊維束又は多孔質体を
使用した筆記具用水性顔料インキに関し、更に詳細には
分散安定性及び耐乾燥性に優れた筆記具用水性顔料イン
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 for writing instruments, particularly those using fiber bundles or porous materials in the nib, and more particularly relates to a water-based pigment ink for writing instruments that uses a fiber bundle or a porous material in the pen tip, and more particularly, This invention relates to a water-based pigment ink for writing instruments with excellent drying properties.
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 been used for various purposes due to their excellent water resistance and light resistance.
(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尊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 the ink for writing instruments is used at a low viscosity, there is a problem that the dispersibility of the pigment is unstable and it tends to aggregate, making writing impossible over time. or.
天然毛1人造毛などの繊維束や、〃孔實ウレタンやスポ
ンジなどの多孔質体をペン先に使用したあつた。The nib uses fiber bundles such as natural hair or artificial hair, or porous materials such as urethane or sponge.
(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乾
燥性を改良すべく種々検討を重ねだ結果、親水性付加重
合性単量体とスチレン及び/又はスチレン誘導体の単量
体とからなる共重合体の水溶性アミン塩、アンモニウム
塩もしくは金属塩を使用する事でインキの分散安定性が
向上し、かつ、これらを特定量使用する事でペン先<*
にペン先に繊維束又は多孔質体を使用した場合)の耐乾
燥性が向上することを見い出し9本発明を完成したもの
である。即ち本発明は、顔料と;インキ全量に対して0
.5〜3.0重量%の親水性付加重合性単量体とスチレ
ン及び/又はスチレン誘導体の単量体とからなる共重合
体の水溶性アミン塩、アンモニウム塩もし7くは金属塩
と;インキ全量に対して15〜35重量%の水溶性有機
溶剤と;水とから少なくともなる筆記具用水性顔料イン
キを要旨とするものである。(Means for Solving the Problem) The present inventors have conducted various studies to improve the dispersibility and drying resistance of the above-mentioned aqueous pigment ink, and as a result, they have found that hydrophilic addition-polymerizable monomers, styrene and/or By using a water-soluble amine salt, ammonium salt, or metal salt of a copolymer consisting of a styrene derivative monomer, the dispersion stability of the ink can be improved, and by using a specific amount of these, the pen tip can be *
The present invention was completed based on the discovery that the drying resistance of a pen (when a fiber bundle or a porous material is used in the nib) is improved. That is, in the present invention, pigment and;
.. Ink with a water-soluble amine salt, ammonium salt or metal salt of a copolymer consisting of 5 to 3.0% by weight of a hydrophilic addition polymerizable monomer and a styrene and/or styrene derivative monomer; The gist of the invention is a water-based pigment ink for writing instruments, which comprises at least 15 to 35% by weight of a water-soluble organic solvent based on the total amount; and water.
(作 用)
本発明の筆記具用水性顔料インキが、何故分散安定性及
び耐乾燥性に優れているかは定かではないが、以下の様
に推察される。(Function) Although it is not clear why the aqueous pigment ink for writing instruments of the present invention has excellent dispersion stability and drying resistance, it is inferred as follows.
本発明に使用の親水性付加重合性単量体とスチレン及び
/又はスチレン誘導体の単量体とからなる共重合体の水
溶性アミン塩、アンモニウム塩もしくは金属塩は親水部
分と疎水部分とを共有している為、顔料に良好な分散性
を付与し。The water-soluble amine salt, ammonium salt, or metal salt of a copolymer consisting of a hydrophilic addition-polymerizable monomer and a styrene and/or styrene derivative monomer used in the present invention shares a hydrophilic portion and a hydrophobic portion. This gives the pigment good dispersibility.
水及び水溶性有機溶剤への濡れを向上する為に分散安定
性が向上するものと思われる。又、前記共重合体の水溶
性アミン塩、アンモニウム塩もしくは金属塩の使用量を
インキ全量に対してα5〜3.0重量%とじ、水溶性有
機溶剤の使用量をインキ全量に対して15〜35重量%
とした事より、ペン先、特に繊維束又は多孔質体を使用
したペン先でのインキの乾燥を極力防止するものと思わ
れる。It is thought that dispersion stability is improved due to improved wetting to water and water-soluble organic solvents. In addition, the amount of the water-soluble amine salt, ammonium salt, or metal salt of the copolymer used is α5 to 3.0% by weight based on the total amount of the ink, and the amount of the water-soluble organic solvent used is 15 to 3.0% by weight based on the total amount of the ink. 35% by weight
Therefore, it is thought that drying of ink at the pen tip, especially at a pen tip using a fiber bundle or porous material, is prevented as much as possible.
(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.
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、その具体例を挙げると。As the pigment, all commercially available pigments can be used, and specific examples thereof are listed below.
カーボンブラック、フタロシアニンブルー(C21,7
4160)、 フタロシアニングリーンCC。Carbon black, phthalocyanine blue (C21,7
4160), Phthalocyanine Green CC.
1.74260 ) 、ハンザエロー3 G (0,I
。1.74260), Hansa Yellow 3 G (0,I
.
11670)、 ジスアゾエロー〇 R(0,I。11670), Disazo Yellow R (0, I.
21100)、パーマネントレッド4 R(0,I。21100), Permanent Red 4 R (0, I.
12335)、 ブリリアントカーミン6 B (0
゜1.15850)、 キナクリドンレッド(0,I
。12335), Brilliant Carmine 6 B (0
゜1.15850), Quinacridone Red (0,I
.
46500)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。46500) 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1割合は、適宜選択されるもの
である。Incidentally, the proportion of each type of pigment to be used is selected as appropriate.
親水性付加重合性単量体とスチレン及び/又はスチレン
誘導体の単量体とからなる共重合体の水溶性アミン塩、
アンモニウム塩もしくは金属塩は分散剤として使用する
もので、その使用量はインキ全量に対して0.5〜3.
0重量%である。0.5重量%より少ないと顔料分散力
が低下し、経時安定性が悪くなる。又50重量%より多
いと繊維束又は多孔質体のペン先で樹脂の薄膜を形成し
、インキ出を悪くし筆跡掠れを生じる。A water-soluble amine salt of a copolymer consisting of a hydrophilic addition polymerizable monomer and a styrene and/or styrene derivative monomer,
Ammonium salt or metal salt is used as a dispersant, and the amount used is 0.5 to 3.0% based on the total amount of ink.
It is 0% by weight. If it is less than 0.5% by weight, the pigment dispersion power will decrease and the stability over time will deteriorate. If the amount exceeds 50% by weight, a thin resin film will be formed at the fiber bundle or porous pen tip, resulting in poor ink flow and blurred handwriting.
親水性付加重合性単量体の例を挙げると、アクリル酸、
メタクリル酸、エタクリル酸、マレイン酸、フマル酸な
どがあり、スチレン及び/又はスチレン誘導体の単量体
の例を挙げると。Examples of hydrophilic addition polymerizable monomers include acrylic acid,
Examples of styrene and/or styrene derivative monomers include methacrylic acid, ethacrylic acid, maleic acid, and fumaric acid.
スチレン、a−メチルスチレン、a−エチルスチレン、
サープロビルスチレン、a−ブチルスチレン、a−ペン
チルスチレンなどがある。尚。Styrene, a-methylstyrene, a-ethylstyrene,
Examples include serprobylstyrene, a-butylstyrene, and a-pentylstyrene. still.
両成分の組み合せは任意に行なうことができる。The two components can be combined arbitrarily.
水溶性有機溶剤としては、グリコール系溶剤。Glycol solvents are water-soluble organic solvents.
クリコールエーテル系i 剤、グリコールエーテルエス
テル系溶剤、グリセリン、ピロリドンなどが使用でき、
これらは1種もしくは2種以上使用可能であり、その使
用量はインキ全欧に対して15〜35重量%である。1
5重量%より少ないと保湿作用が低下し、耐乾燥性が劣
り。Glycol ether type i agents, glycol ether ester type solvents, glycerin, pyrrolidone, etc. can be used.
One or more types of these can be used, and the amount used is 15 to 35% by weight based on the total weight of the ink. 1
If it is less than 5% by weight, the moisturizing effect will be reduced and the dryness resistance will be poor.
35重量%よシ多いとペン先での乾燥にともないペン先
部のインキ粘度が高くなってインキ出を悪くし筆跡掠れ
を生じる。If the amount is more than 35% by weight, the viscosity of the ink at the nib increases as it dries at the nib, resulting in poor ink flow and blurred handwriting.
水は主溶剤として使用するものである。Water is used as the main solvent.
上記成分以外に必要に応じて、1.2−ベンゾイソチア
ゾリン−3オン、ペンタクロロフェノ−ルアクレゾール
などの防腐防カビ剤や、ベンズ) IJアゾールなどの
防錆剤や、各種界面活性剤などの各種添加剤を適宜使用
しうるものである。In addition to the above ingredients, if necessary, preservatives such as 1,2-benzisothiazolin-3-one, pentachlorophenol-acresol, rust preventives such as benz) IJ azole, and various surfactants may be added. Various additives may be used as appropriate.
次に本発明の筆記具用水性顔料インキの製造方法である
が、上記各成分を混合し9通常の分散機1例えば、ボー
ルミル、ロールミル、サンドミル、スーパーミル、ダイ
ノミルウアトライターなどで混合摩砕9分散することに
より得られる。Next, in the method for producing the water-based pigment ink for writing instruments of the present invention, the above-mentioned components are mixed and ground using a common dispersing machine such as a ball mill, roll mill, sand mill, super mill, Dyno Mill water attritor, etc. 9 obtained by dispersing.
(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."
以下の表−1に示す実施例1〜4.比較例1〜4の各成
分を攪拌にて2時間プレミックスし。Examples 1 to 4 shown in Table 1 below. Each component of Comparative Examples 1 to 4 was premixed by stirring for 2 hours.
更に実施例1,4.比較例1,4はサンドミルにて10
時間、実施例2.3.比較例2.3はボールミルにて1
5時間摩砕した後、粗大粒子を一過などにより除去し筆
記具用水性顔料インキを得た。Furthermore, Examples 1 and 4. Comparative Examples 1 and 4 were processed in a sand mill for 10
Time, Example 2.3. Comparative example 2.3 is 1 in a ball mill.
After grinding for 5 hours, coarse particles were removed by passing through the mixture to obtain a water-based pigment ink for writing instruments.
表−1
(単位:部)
(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、耐乾燥性試験の結果を表−2に示す。Table 1 (Unit: parts) (Effects of the invention) Above Examples 1 to 4. Table 2 shows the results of the dispersion stability test and drying resistance test of the inks obtained in Comparative Examples 1 to 4.
表−2
※1 分散安定性試験
インキを試験管に入れ密閉し、100°C94時間加熱
後、室温にもどし、メンブランフィルタ−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 2 *1 Dispersion stability test Ink was placed in a test tube and sealed, heated at 100°C for 94 hours, returned to room temperature, and dripped onto a membrane filter; unheated ink dripped onto a membrane filter. The dispersion state of the pigment was compared.
○:変化なし ×:凝集
※2 耐乾燥性試験
市販の筆ペン(SF−15,べんてる■製、ペン先:ウ
レタン多孔質体)にインキを充填し、キャップを取り、
室内(20°C±5°C1湿度40%±5%)で横向で
5時間放置後、筆記して放置前の筆記線と比較した。○: No change ×: Aggregation *2 Drying resistance test Fill a commercially available brush pen (SF-15, manufactured by Bentel ■, nib: urethane porous material) with ink, remove the cap,
After being left horizontally for 5 hours indoors (20°C ± 5°C, humidity 40% ± 5%), I wrote on it and compared it with the written line before leaving it.
○:はとんど変化なし
Δ:掠れ発生
×:はとんど書けない
以上で説明した如く2本発明の筆記具用水性顔料インキ
は分散安定性、及び耐乾燥性に優れたものであり、特に
ペン先に繊維束又は多孔質体を使用した筆記具のペン先
耐乾燥性に優れたものである。○: Almost no change Δ: Occurrence of blurring ×: Almost impossible to write As explained above, 2 The water-based pigment ink for writing instruments of the present invention has excellent dispersion stability and drying resistance, In particular, a writing instrument using a fiber bundle or a porous material for the nib has excellent nib drying resistance.
Claims (1)
水性付加重合性単量体とスチレン及び/又はスチレン誘
導体の単量体とからなる共重合体の水溶性アミン塩、ア
ンモニウム塩もしくは金属塩と;インキ全量に対して1
5〜35重量%の水溶性有機溶剤と;水とから少なくと
もなる筆記具用水性顔料インキ。Pigment; water-soluble amine salt of a copolymer consisting of a hydrophilic addition-polymerizable monomer and a styrene and/or styrene derivative monomer in an amount of 0.5 to 3.0% by weight based on the total amount of the ink; ammonium With salt or metal salt; 1 per total amount of ink
A water-based pigment ink for writing instruments comprising at least 5 to 35% by weight of a water-soluble organic solvent and water.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60088190A JPS61246271A (en) | 1985-04-24 | 1985-04-24 | Water-based pigment ink for writing utensil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60088190A JPS61246271A (en) | 1985-04-24 | 1985-04-24 | Water-based pigment ink for writing utensil |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61246271A true JPS61246271A (en) | 1986-11-01 |
Family
ID=13935981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60088190A Pending JPS61246271A (en) | 1985-04-24 | 1985-04-24 | Water-based pigment ink for writing utensil |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61246271A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03255182A (en) * | 1990-03-06 | 1991-11-14 | Mikuni Shikiso Kk | Water-base pigment ink composition for writing utensil |
US5160370A (en) * | 1988-12-27 | 1992-11-03 | Canon Kabushiki Kaisha | Recording liquid and ink-jet recording method making recording unit, ink cartridge, and ink-jet recording apparatus making use thereof |
US5229786A (en) * | 1988-12-27 | 1993-07-20 | Canon Kabushiki Kaisha | Ink-jet recording method, recording unit, ink cartridge and recording apparatus employing recording liquid |
-
1985
- 1985-04-24 JP JP60088190A patent/JPS61246271A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5160370A (en) * | 1988-12-27 | 1992-11-03 | Canon Kabushiki Kaisha | Recording liquid and ink-jet recording method making recording unit, ink cartridge, and ink-jet recording apparatus making use thereof |
US5229786A (en) * | 1988-12-27 | 1993-07-20 | Canon Kabushiki Kaisha | Ink-jet recording method, recording unit, ink cartridge and recording apparatus employing recording liquid |
JPH03255182A (en) * | 1990-03-06 | 1991-11-14 | Mikuni Shikiso Kk | Water-base pigment ink composition for writing utensil |
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