JPS6281464A - Ink clarity improver - Google Patents
Ink clarity improverInfo
- Publication number
- JPS6281464A JPS6281464A JP60221190A JP22119085A JPS6281464A JP S6281464 A JPS6281464 A JP S6281464A JP 60221190 A JP60221190 A JP 60221190A JP 22119085 A JP22119085 A JP 22119085A JP S6281464 A JPS6281464 A JP S6281464A
- Authority
- JP
- Japan
- Prior art keywords
- group
- ink
- improver
- clarity
- colored oil
- 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
Links
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
光−明ノγ利皿非」
本発明は、インキ類の鮮明度を向上させる添加剤に関す
るものである。TECHNICAL FIELD The present invention relates to an additive that improves the clarity of inks.
【来曵韮浦−
印刷等に用いられるインキは、原材料、製造方法、印刷
方法等によって顔料本来の色が変化する場合が多く、特
にブロンズ等の色の鮮明度の低下が発生する。これを防
止または改良するために種々の方法が提案されてきたが
、いまだ決定的な方法は見いだされていない。
ηト月n (゛ し う 四J
μ[l飄一本発明の目的は、安価でインキに対して少量
の添加で鮮明度を向上させる化合物を提供することにあ
る。
ることにより解決される。
すなわち本発明は、一般式(T)
〔ただし、式中MはCa、Mg、Ba、、ZnまたはC
uであり、R1は水素原子または炭素数1ないし6のア
ルキル基、R2はメチル基またはフェニル基、R3はR
4またはR50を表す。なお、R4,R5は、炭素数1
ないし22の7′ルキル基またはシクロアルキル基、炭
素数3ないし22のアルケニル基、シクロアルケニル基
、アリール基、アラルキル基、丈なはアルキルアリール
基である。
mとnは1分子あたりの平均値であり、m=0〜2、n
=2−mである〕で示されるキレート化合物の少なくと
も1種を含有することを特徴とするインキ類の鮮明度向
上剤に関するものである。
一般式(1)において、R4,R5中の置換基として好
ましいものは、メチル基、エチル基、n−ブチル基、オ
クチル基、ラウリル基、オレイル基、ベンジル基、フェ
ニル基等が挙げられるが、鮮明度の向上効果の点から、
比較的炭素数の少ないものが好ましく、特にどちらが一
方が炭素数8以下のものが好ましい。
R】は実用上水素原子、またはn−プロピル基が好まし
く、そのカルシウム原子に対する存在割合を示すmはO
ないし2で、好ましくは1.5以下がよい。
一般式(T)で示される化合物の具体例には、第1表に
示すようなものがある。
本発明のキレート化合物を得るためには、たとえばアル
コキサイドや水酸化物をβ−ジケトンと反応させる方法
が一般的である。
本発明のキレート化合物の添加によって鮮明度が向上す
るインキは、オフセットインキをはじめ種々のものがあ
り、顔f’lではカーボンブラック、フタロシアニンブ
ルー、ブリリアントカーミン、レーキレッドC等、多種
にわたるが、とくにカーボンブラックを用いたインキで
効果が著しい。
以下実施例によって本発明をより詳細に説明する。
丸l眞Y
第1表に示したキレ−I・化合物の印刷インキにおける
鮮明度向上効果をみるために、カーボンブラック(商品
名rE三菱−ボンMA−8J :三菱化成工業■製)と
キレ−1−化合物を4号ワニスに添加して、フーバーマ
ラーで混練しく 1 n OX 3回)、着色油を得た
。次いで、この着色油を展色紙に展色して肉眼による観
察(官能検査)と分光光度計よる反射率の測定を行った
。
着色油の組成と試験方法は以下の通りである。
結果を第2表に示す。
(着色油の組成)
鮮□明−1度−向」−剤−配治−
・4号ワニス 70重量部
・ 顔料 25
ツノ・キレート化合物 5 /1
り一う’/J−
・4号ワニス 75重量部
・ 顔lトミ+
25 ツノ(増粘の度合い)
ブランクの場合の着色油を基準にして増粘の度合いを官
能的に評価した。
(鮮明度)
ブランクの場合の着色油を基準にして、色調、黒さ、光
沢などを肉眼で官能的に評価した。
(反射率の低下率)
波長600 nmにおける反射率を測定し、ブランクの
着色油を基準にして、反射率の低下率を算出した。数値
が大きい程黒色度が大きい。
実施例2
顔料としてフタロシアニンブルー(商品名rCyani
ne Blue LBGJ :住友化学工業■製)を
用い、実施例1に準じて着色油を調製した。着色油の組
成と試験方法は以下の通りである。結果を第3表に示す
。
(着色油の組成)
!L明農−向」−斉[丸イL
・4号ワニス 68重量部
・顔料 2877
・キレート化合物 4 〃
ブランク
・4号ワニス 72重量部
・顔料 28/7
(鮮明度)
ブランクの場合の着色油を基準にして、色調、光沢、ブ
ロンズ、透明性などを肉眼で官能的に評価した。
(反射率の低下率)
波長720 nmにおける反射率を測定し、ブランクの
着色油を基準にして、反射率の低下率を算出した。数値
が大きい程赤味のないきれいな青色である。
第3表
実施例3
顔料として赤色アゾレーキ(商品名f LionolR
ed DIG J :東洋インキ製造■製)を用い、実
施例1に準じて着色油を調製した。着色油の組成と試験
方法は以下の通りである。結果を第3表に示す。
(着色油の組成)
鮮月■1向上剤−配涜一
・4号ワニス 65重量部
・顔料 30 ツノ
・キレ−ト化合物 5 71
LiXム
・4号ワニス 70重量部
・顔料 30 n
(鮮明度)
ブランクの場合の着色油を基準にして、色調、光沢、ブ
ロンズ、透明性などを肉眼で官能的に評価した。
(反射率の低下率)
波長570n−における反射率を測定し、プラン=11
=
りの着色油を基準にして、反射率の低下率を算出した。
数値が大きい程赤色度が大きい。
第4表
光Jす1−cr+ 効渫−
実施例の結果から明らかなように、印刷インキへの応用
において、本発明のキレ−1〜化合物により処理された
顔料は、色の鮮明度が向上するうえに、ゲル化による増
粘がないという特徴を有している。[Niraura Kuruhime - In inks used for printing, etc., the original color of the pigment often changes depending on the raw materials, manufacturing method, printing method, etc., and in particular, the vividness of colors such as bronze is reduced. Various methods have been proposed to prevent or improve this, but no definitive method has yet been found. η to month n (゛shiu 4J
An object of the present invention is to provide an inexpensive compound that improves sharpness by adding a small amount to ink. This is solved by That is, the present invention provides general formula (T) [wherein M is Ca, Mg, Ba, , Zn or C
u, R1 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, R2 is a methyl group or a phenyl group, and R3 is R
4 or R50. In addition, R4 and R5 have 1 carbon number.
to 22 7'alkyl groups or cycloalkyl groups, alkenyl groups having 3 to 22 carbon atoms, cycloalkenyl groups, aryl groups, aralkyl groups, and long alkylaryl groups. m and n are average values per molecule, m = 0 to 2, n
The present invention relates to a sharpness improver for inks, characterized by containing at least one chelate compound represented by the formula: =2-m. In general formula (1), preferred substituents for R4 and R5 include methyl group, ethyl group, n-butyl group, octyl group, lauryl group, oleyl group, benzyl group, phenyl group, etc. In terms of the effect of improving clarity,
It is preferable to have a relatively small number of carbon atoms, and it is particularly preferable that one of them has 8 or less carbon atoms. Practically, R] is preferably a hydrogen atom or an n-propyl group, and m, which indicates the abundance ratio to calcium atoms, is O.
2 to 2, preferably 1.5 or less. Specific examples of the compound represented by the general formula (T) include those shown in Table 1. In order to obtain the chelate compound of the present invention, it is common to react, for example, an alkoxide or hydroxide with a β-diketone. There are various types of ink whose visibility is improved by adding the chelate compound of the present invention, including offset ink.For face f'l, there are many types such as carbon black, phthalocyanine blue, brilliant carmine, lake red C, etc. The effect is remarkable with ink using carbon black. The present invention will be explained in more detail with reference to Examples below. Maru Shin Y In order to examine the sharpness improvement effect of the Kire-I compound shown in Table 1 in printing ink, carbon black (trade name rE Mitsubishi-bon MA-8J: manufactured by Mitsubishi Chemical Corporation) and Kire-I were used. 1-Compound was added to No. 4 varnish and kneaded with a Hubermaller (1 n OX 3 times) to obtain a colored oil. Next, this colored oil was spread on colored paper, and observation with the naked eye (sensory test) and reflectance measurement using a spectrophotometer were performed. The composition of the colored oil and the test method are as follows. The results are shown in Table 2. (Composition of colored oil) Brightness - 1 degree - Direction - Agent - Control - - No. 4 varnish 70 parts by weight - Pigment 25
Horn chelate compound 5/1 Riichi'/J-・No. 4 varnish 75 parts by weight・Face L Tomi+
25 Horn (degree of thickening) The degree of thickening was sensory evaluated based on the colored oil in the case of blank. (Visibility) Color tone, blackness, gloss, etc. were sensually evaluated with the naked eye based on a blank colored oil. (Reduction rate of reflectance) The reflectance at a wavelength of 600 nm was measured, and the decrease rate of reflectance was calculated based on the blank colored oil. The larger the number, the higher the degree of blackness. Example 2 Phthalocyanine blue (trade name: rCyani) as a pigment
A colored oil was prepared according to Example 1 using ne Blue LBGJ (manufactured by Sumitomo Chemical Co., Ltd.). The composition of the colored oil and the test method are as follows. The results are shown in Table 3. (Composition of colored oil)! L Ming-Nong - Qi [Marui L / No. 4 varnish 68 parts by weight / Pigment 2877 / Chelate compound 4 Blank / No. 4 varnish 72 parts by weight / Pigment 28/7 (Sharpness) Colored oil in case of blank Color tone, gloss, bronze, transparency, etc. were visually and sensually evaluated based on the following criteria. (Reduction rate of reflectance) The reflectance at a wavelength of 720 nm was measured, and the decrease rate of reflectance was calculated based on the blank colored oil. The higher the number, the clearer the blue color without redness. Table 3 Example 3 Red azo lake (trade name f LionolR) as a pigment
A colored oil was prepared according to Example 1 using ed DIG J (manufactured by Toyo Ink Manufacturing Co., Ltd.). The composition of the colored oil and the test method are as follows. The results are shown in Table 3. (Composition of colored oil) Sengetsu ■1 Improver - Saishi No. 1/No. 4 varnish 65 parts by weight/Pigment 30 Horn chelate compound 5 71 LiX/No. 4 varnish 70 parts by weight/Pigment 30 n (Sharpness ) Based on a blank colored oil, color tone, gloss, bronze, transparency, etc. were visually and sensually evaluated. (Reduction rate of reflectance) Measure the reflectance at a wavelength of 570n-, plan = 11
= The rate of decrease in reflectance was calculated based on the colored oil. The larger the number, the greater the redness. Table 4 Hikari Jsu1-cr+ Effect - As is clear from the results of the examples, when applied to printing inks, the pigments treated with the compounds of the present invention have improved color clarity. In addition, it has the characteristic that it does not thicken due to gelation.
Claims (1)
であり、R_1は水素原子または炭素、数1ないし6の
アルキル基、R_2はメチル基またはフェニル基、R_
3はR_4またはR_5Oを表す。なお、R_4、R_
5は、炭素数1ないし22のアルキル基またはシクロア
ルキル基、炭素数3ないし22のアルケニル基、シクロ
アルケニル基、アリール基、アラルキル基、またはアル
キルアリール基である。 mとnは1分子あたりの平均値であり、m=0〜2、n
=2−mである〕 で示されるキレート化合物の少なくとも1種を含有する
ことを特徴とするインキ類の鮮明度向上剤。[Claims] 1. General formula (I) ▲There are mathematical formulas, chemical formulas, tables, etc.▼(I) [However, in the formula, M is Ca, Mg, Ba, Zn or Cu.
, R_1 is a hydrogen atom or carbon, an alkyl group of numbers 1 to 6, R_2 is a methyl group or a phenyl group, R_
3 represents R_4 or R_5O. In addition, R_4, R_
5 is an alkyl group or cycloalkyl group having 1 to 22 carbon atoms, an alkenyl group having 3 to 22 carbon atoms, a cycloalkenyl group, an aryl group, an aralkyl group, or an alkylaryl group. m and n are average values per molecule, m = 0 to 2, n
=2-m] A sharpness improver for inks, characterized by containing at least one chelate compound represented by the following formula.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60221190A JPS6281464A (en) | 1985-10-04 | 1985-10-04 | Ink clarity improver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60221190A JPS6281464A (en) | 1985-10-04 | 1985-10-04 | Ink clarity improver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6281464A true JPS6281464A (en) | 1987-04-14 |
JPH0566420B2 JPH0566420B2 (en) | 1993-09-21 |
Family
ID=16762884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60221190A Granted JPS6281464A (en) | 1985-10-04 | 1985-10-04 | Ink clarity improver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6281464A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0405634A2 (en) * | 1989-06-14 | 1991-01-02 | The Associated Octel Company Limited | Volatile organic barium, strontium and calcium compounds and method for the preparation of layered materials with barium, strontium or calcium oxides or fluorides from these compounds |
-
1985
- 1985-10-04 JP JP60221190A patent/JPS6281464A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0405634A2 (en) * | 1989-06-14 | 1991-01-02 | The Associated Octel Company Limited | Volatile organic barium, strontium and calcium compounds and method for the preparation of layered materials with barium, strontium or calcium oxides or fluorides from these compounds |
Also Published As
Publication number | Publication date |
---|---|
JPH0566420B2 (en) | 1993-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |