JPH0718200A - Carbon black for printing ink - Google Patents

Carbon black for printing ink

Info

Publication number
JPH0718200A
JPH0718200A JP16270293A JP16270293A JPH0718200A JP H0718200 A JPH0718200 A JP H0718200A JP 16270293 A JP16270293 A JP 16270293A JP 16270293 A JP16270293 A JP 16270293A JP H0718200 A JPH0718200 A JP H0718200A
Authority
JP
Japan
Prior art keywords
carbon black
ink
printing ink
black
printing
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
Application number
JP16270293A
Other languages
Japanese (ja)
Inventor
Makoto Ishizu
誠 石津
Masaru Tobinaga
勝 飛永
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 JP16270293A priority Critical patent/JPH0718200A/en
Publication of JPH0718200A publication Critical patent/JPH0718200A/en
Pending legal-status Critical Current

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  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

PURPOSE:To obtain carbon black for printing ink having blue color tone and having good jet-black feeling and fluidity of ink. CONSTITUTION:Carbon black for printing ink having the following characteristic range. Specific coloring powder: 80-115%; specific surface area absorbing nitrogen: 50-100m<2>/g; DBP oil absorbing amount: 60-100ml/100g; aggregate diameter (Dmod) by centrifugation sedimentation method: 140-230nm.

Description

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

【0001】[0001]

【産業上の利用分野】本発明は、印刷インキ用黒色顔料
に関し、青味を有し且つ高漆黒度を有する印刷インキ用
カーボンブラックに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a black pigment for a printing ink, and more particularly to a carbon black for a printing ink having a bluish color and a high jetness.

【0002】[0002]

【従来の技術】カーボンブラックは、印刷インキ原料と
して最も重要な黒色顔料である。最近の印刷の主流は、
輪転・枚葉オフセット方式に移行し版の型式も平版が主
流になっている。この印刷方式では、印刷インキの膜厚
が、従来の印刷方式(凸版)より薄いことからインキ黒
色度を維持するためにカーボンブラックを高配合して対
応している。
Carbon black is the most important black pigment as a raw material for printing ink. The mainstream of recent printing is
With the shift to the rotary / single sheet offset method, the lithographic printing plate is the mainstream. In this printing method, the film thickness of the printing ink is thinner than that of the conventional printing method (relief printing), and therefore a high content of carbon black is used to maintain the blackness of the ink.

【0003】しかしながら従来の凸版インキ用カーボン
ブラックでは、インキ黒色度は良好であるが、粘度が上
昇するため流動性の良いカーボンブラックとの組み合わ
せで黒色度と流動性のバランスを保ってきた。又、カー
ボンブラック自体は赤味の色調を有しておりこの色調は
印刷インキとしてあまり好まれない。
However, in the conventional carbon black for letterpress ink, the blackness of the ink is good, but since the viscosity increases, the balance between the blackness and the fluidity has been maintained by combining with the carbon black having good fluidity. Further, carbon black itself has a reddish color tone, and this color tone is not so favored as a printing ink.

【0004】この改善策として非常に高価である青色補
色顔料を添加させて印刷インキの色調をコントロールし
ておりインキに占る顔料コストへの比率は大きい。従っ
て低コスト化を図るために、青味色調を有するカーボン
ブラックを使うことによって補色顔料を減らすことが可
能であり、この様なカーボンブラックが望まれる。
As a countermeasure for this, a very expensive blue complementary color pigment is added to control the color tone of the printing ink, and the ratio of the cost to the pigment occupied by the ink is large. Therefore, in order to reduce the cost, it is possible to reduce the complementary color pigment by using carbon black having a bluish color tone, and such a carbon black is desired.

【0005】[0005]

【発明が解決しようとする課題】したがって、とくに平
版オフセット印刷インキ用カーボンブラックとしてカー
ボンブラックの配合量を多くしてもインキ粘度の上昇を
伴なわずに高漆黒感を維持し、且つ補色顔料を添加する
ことなく青味色調を有するインキ用カーボンブラックが
望まれている。
Accordingly, even if a large amount of carbon black is used as a carbon black for lithographic offset printing ink, a high jet black feeling is maintained without an increase in ink viscosity, and a complementary color pigment is used. Carbon black for inks having a bluish color tone without addition is desired.

【0006】[0006]

【課題を解決するための手段】本発明者は、これらの課
題を解決するために検討を重ねた結果、特定のカーボン
ブラックを用いることにより青味の色調を有し且つ高い
漆黒感を与える印刷インキに仕上げることができること
を見い出し解決するに至った。以下、本発明を詳細に説
明する。
Means for Solving the Problems As a result of repeated studies to solve these problems, the present inventor has achieved a printing with a bluish color tone and a high jet black feeling by using a specific carbon black. They found that they could be made into ink and came up with a solution. Hereinafter, the present invention will be described in detail.

【0007】すなわち本発明のカーボンブラックは、比
着色力(ASTM D3265−88)が80〜115
%、窒素吸着比表面積(ASTM D3037−88)
が50〜100m2 /g、DBP(ジブチルフタレー
ト)吸油量(ASTM D2414−88)が60〜1
00ml/100gで遠心沈降法による凝集体径(Dmo
d )が140〜230nmを満足するカーボンブラック
である。
That is, the carbon black of the present invention has a specific tinting strength (ASTM D3265-88) of 80 to 115.
%, Nitrogen adsorption specific surface area (ASTM D3037-88)
Is 50 to 100 m 2 / g, DBP (dibutyl phthalate) oil absorption (ASTM D2414-88) is 60 to 1
Agglomerate diameter (D mo
d ) is carbon black satisfying 140 to 230 nm.

【0008】一般に平版オフセットインキに必要とされ
るカーボンブラックの性能は、充分な漆黒感と青味の色
調並びにインキベヒクルに練り込んだ際に高配合しても
流動性を損なわない必要があり、窒素吸着比表面積が5
0m2 /g未満又は比着色力が80%未満では隠ペイ力
が低下し充分な漆黒感が得られない。また、DBP吸油
量が60ml/100g未満になると印刷紙の紙繊維の
中へカーボンブラックが吸収されインキベヒクルとの分
離現象が起りインキの光沢性が上昇し漆黒感が減退す
る。逆にDBP吸油量が100ml/100gを超える
とベヒクル中の鉱物油をカーボンブラックが吸収するた
めにインキが硬くなる。一方、窒素吸着比表面積が10
0m2 /gを超えるか、比着色力が115%を超えると
インキベヒクル中のカーボンブラック粒子の数が多くな
りインキ流動性を悪化させる。
Generally, the performance of carbon black required for a lithographic offset ink is such that sufficient jetness and bluish color tone and high fluidity when kneaded into an ink vehicle do not impair fluidity, Nitrogen adsorption specific surface area is 5
If it is less than 0 m 2 / g or the specific coloring power is less than 80%, the hidden paying power is lowered and a sufficient jet black feeling cannot be obtained. Further, when the DBP oil absorption is less than 60 ml / 100 g, carbon black is absorbed into the paper fibers of the printing paper to cause the phenomenon of separation from the ink vehicle, which increases the glossiness of the ink and reduces the jet-black feeling. On the contrary, if the DBP oil absorption exceeds 100 ml / 100 g, the ink becomes hard because the carbon black absorbs the mineral oil in the vehicle. On the other hand, the nitrogen adsorption specific surface area is 10
If it exceeds 0 m 2 / g or the specific coloring strength exceeds 115%, the number of carbon black particles in the ink vehicle increases and the ink fluidity deteriorates.

【0009】以上のような観点から、本発明におけるカ
ーボンブラックの比着色力は80〜115%、好ましく
は90〜110%、窒素吸着比表面積は50〜100m
2 /g、好ましくは70〜90m2 /g、DBP吸油量
は60〜100ml/100g、好ましくは70〜90
ml/100gである。しかしながら、この3つの要件
を満たすカーボンブラックは漆黒感とインキ流動性を満
足させることはできるが、青味の補色顔料を減らすこと
はできない。
From the above viewpoints, the specific coloring power of the carbon black in the present invention is 80 to 115%, preferably 90 to 110%, and the nitrogen adsorption specific surface area is 50 to 100 m.
2 / g, preferably 70 to 90 m 2 / g, DBP oil absorption is 60 to 100 ml / 100 g, preferably 70 to 90
ml / 100g. However, carbon black satisfying these three requirements can satisfy jet blackness and ink fluidity, but cannot reduce the bluish complementary color pigment.

【0010】本発明におけるカーボンブラックは、上記
のように比着色力、窒素吸着比表面積、DBP吸油量の
バランスを保つことに加えて、後述する試験方法にした
がって求められる、遠心沈降法による凝集体径
(Dmod )を特定範囲とすることによってはじめてイン
キ塗膜に吸収された白色光の内、波長の長い赤色光を多
く散乱させることにより青味の色調を有し且つ漆黒感と
インキ流動性を悪化させないカーボンブラックを得るこ
とができる。
The carbon black in the present invention maintains the balance of the specific coloring power, the nitrogen adsorption specific surface area, and the DBP oil absorption amount as described above, and is an aggregate by a centrifugal sedimentation method, which is obtained according to the test method described later. By setting the diameter (D mod ) within a specific range, a reddish light having a long wavelength among a large amount of white light absorbed in the ink coating film is scattered to have a bluish tone and jet blackness and ink fluidity. It is possible to obtain a carbon black that does not deteriorate.

【0011】すなわち、Dmod は140〜230nmで
あることが必要であり、好ましくは150〜200nm
から選定される。本発明のカーボンブラックは、たとえ
ば後述する参考例に示すように、カーボンブラック製造
工程で調製しうるし、さらには本発明の要件を満たさな
い2種以上のカーボンブラックをブレンドすることによ
っても得ることもできる。得られるカーボンブラックを
用いて、常法により印刷インキを調製するこができる。
That is, D mod needs to be 140 to 230 nm, preferably 150 to 200 nm.
Selected from. The carbon black of the present invention can be prepared in a carbon black production process, for example, as shown in Reference Examples described later, or can be obtained by blending two or more kinds of carbon blacks that do not satisfy the requirements of the present invention. it can. A printing ink can be prepared by a conventional method using the obtained carbon black.

【0012】[0012]

【実施例】以下本発明を実施例によりさらに詳細に説明
するが、本発明はその要旨を超えない限り以下の実施例
に限定されるものではない。 <試験方法> (1) 比着色力 ASTM D3265−88に準拠 (2) 窒素吸着比表面積(SN2) ASTM D3037−88に準拠 (3) DBP吸油量 ASTM D2414−88に準拠 (4) 遠心沈降法による凝集体径(Dmod ) 乾燥試料5mgを少量の活性剤と混合して20%エタノ
ール水溶液50cc加える。
EXAMPLES The present invention will be described in more detail with reference to examples below, but the present invention is not limited to the following examples as long as the gist thereof is not exceeded. <Test method> (1) Coloring power according to ASTM D3265-88 (2) Nitrogen adsorption specific surface area (S N2 ) According to ASTM D3037-88 (3) DBP oil absorption amount According to ASTM D2414-88 (4) Centrifugal sedimentation Aggregate diameter by method (D mod ) 5 mg of dried sample is mixed with a small amount of activator and 50 cc of 20% aqueous ethanol solution is added.

【0013】これを超音波分散機にて6分間分散させて
測定試料とする。遠心沈降法による凝集体径測定装置
(英国Joyes Loebl製)を6000rpmに
設定し、スピン液(イオン交換水)10ml加えたのち
バッファー液(20%エタノール水溶液)1mlを注入
する。次いで測定試料液0.5mlを注射器で加えて測
定を開始する。得られた凝集体分布曲線における最大頻
度径(Dmod )を求める。
This is dispersed for 6 minutes with an ultrasonic disperser to obtain a measurement sample. An agglomerate diameter measuring device by centrifugal sedimentation method (manufactured by Joyes Loebl, UK) is set at 6000 rpm, 10 ml of spin solution (ion-exchanged water) is added, and then 1 ml of buffer solution (20% aqueous ethanol solution) is injected. Then, 0.5 ml of the measurement sample solution is added with a syringe to start the measurement. The maximum frequency diameter (D mod ) in the obtained aggregate distribution curve is determined.

【0014】(5) インキ適性 (イ)インキの調製 平版新聞オフセット輪転インキ材料を用いてインキを調
製した。樹脂ワニス100部、鉱物油(含むギルソナイ
ト)57.5部、石油系溶剤12.5部、カーボンブラ
ック47.5部をプレミックスさせたのち、3本ロール
ミル分散機を用いて5パスさせ分散インキを調製した。 (ロ)タックの調整 上記分散インキをJISK5701によりインコメータ
ーを用いてタック値を調整した。 目標タック値 400rpm 1分後の読み 4±
0.3
(5) Ink suitability (a) Preparation of ink An ink was prepared using a planographic newspaper offset rotary ink material. 100 parts of resin varnish, 57.5 parts of mineral oil (including Gilsonite), 12.5 parts of petroleum solvent, and 47.5 parts of carbon black are premixed, and then 5 passes using a three-roll mill disperser to make a dispersion ink. Was prepared. (B) Adjustment of tack The tack value of the above dispersion ink was adjusted according to JIS K5701 using an incometer. Target tack value 400 rpm 1 minute reading 4 ±
0.3

【0015】(ハ)光学適性 (i)ヘラ引き展色 JISK5701により任意に設定したタック調整後の
標準試料と比較試料を約1cm離して鋼ヘラの直線刃先
で同時に展色紙上に引き延ばし、薄いインキ膜を作りヘ
ラ引き展色見本とする。この標準試料を(10点)とし
視感判定にて漆黒性と光沢性を指数化した。 (ii)色調 東洋精機製MS展色機を用いタック調整インキをインキ
ピペットで0.2cc採取しロールに供給する。
(C) Optical aptitude (i) Spatula spreading color A standard sample after tack adjustment arbitrarily set by JISK5701 and a comparative sample are separated by about 1 cm and simultaneously spread on a spreading paper with a linear blade of a steel spatula to form a thin ink. Create a film and use it as a spatula color sample. This standard sample was set to (10 points), and jetness and glossiness were indexed by visual judgment. (Ii) Color tone Using an MS color developing machine manufactured by Toyo Seiki, 0.2 cc of the tack adjusting ink is collected with an ink pipette and supplied to the roll.

【0016】これを均一に広げた後、新聞用紙に展色す
る。次いで新たにインキを供給することなく再度インキ
を均一に広げ新しくセットした新聞用紙に展色する。こ
れを5回繰返す。この5枚目の展色紙を測色色差計(日
本電色製“300A”)を用いてハンター色差式のb値
で表わした。数字が小さくなる程青味の色調が強いこと
を示す。
After this is spread evenly, it is spread on newsprint. Then, without supplying new ink, the ink is spread evenly again and color is spread on the newly set newsprint. This is repeated 5 times. This fifth sheet of color-developed paper was represented by the b value of the Hunter color-difference formula using a colorimetric color-difference meter (“300A” manufactured by Nippon Denshoku). The smaller the number, the stronger the bluish tone.

【0017】(ニ)流動適性 JISK5701に準拠しタック調整インキをスプレッ
ドメーターにて測定した。 直径D60:60秒後の広がり直径をmm単位の数値 傾斜S :60秒後の広がり直径−6秒後の広がり直径 切片IC:横軸に時間を対数目盛りで縦軸に広がり直径
(mm)を均等目盛でとった片対数グラフに各測定時間
毎の測定値をプロットし直線で結ぶ。この直線を延長し
横軸の1秒を横切る時の値をmm単位で読み取り切片I
Cとする。
(D) Flowability In accordance with JIS K5701, the tack adjusting ink was measured with a spread meter. Diameter D 60 : Spreading diameter after 60 seconds is a numerical value in mm Slope S: Spreading diameter after 60 seconds − Spreading diameter after 6 seconds Intersection IC: Spreading diameter on the horizontal axis on the horizontal axis and spreading diameter on the vertical axis (mm) Plot the measured values for each measurement time on a semi-logarithmic graph with a uniform scale and connect them with a straight line. The value when this straight line is extended and crosses 1 second on the horizontal axis is read in mm and the intercept I
Let be C.

【0018】参考例1 反応室に絞り部を有さないファーネス式縦型製造炉を用
いて、下記の条件でカーボンブラックを製造した。
Reference Example 1 Carbon black was produced under the following conditions using a furnace type vertical production furnace having no narrowed portion in the reaction chamber.

【表2】(1) 原料油特性 比重(40℃/4℃):1.079 BMCI* 値 :136 トルエン不溶分 :0.05% 蒸留特性 初留点 172℃ 5容量% 334℃ 10容量% 352℃ 20容量% 372℃ 30容量% 379℃ 40容量% 384℃ 50容量% 386℃ 60容量% 393℃ 70容量% 399℃ *BMCI:Bureau of Mines Correlation Index[Table 2] (1) Feedstock characteristics Specific gravity (40 ° C / 4 ° C): 1.079 BMCI * value: 136 Toluene insoluble content: 0.05% Distillation characteristics Initial boiling point 172 ° C 5% by volume 334 ° C 10% by volume 352 ° C 20% by volume 372 ° C 30% by volume 379 ° C 40% by volume 384 ° C 50% by volume 386 ° C 60% by volume 393 ° C 70% by volume 399 ° C * BMCI: Bureau of Mines Correlation Index

【0019】[0019]

【表3】 (2) 製造条件 燃焼用空気量 :5500Nm3 /H 燃焼用オイル :275kg/H カーボンブラック原料量:1200kg/H ストラクチャー調整剤 :28l/H 得られたカーボンブラックの特性値は次のとおりであっ
た。 比着色力 90%、SN2 85m2 /g、DBP吸油量
72ml/100g、Dmod 180nm
[Table 3] (2) Manufacturing conditions Combustion air amount: 5500 Nm 3 / H Combustion oil: 275 kg / H Carbon black raw material amount: 1200 kg / H Structure modifier: 28 l / H The characteristic values of the obtained carbon black are as follows. It was as follows. Specific coloring power 90%, S N2 85m 2 / g, DBP oil absorption 72ml / 100g, D mod 180nm

【0020】参考例2 “三菱カーボンブラック”#20及び#45(いずれも
三菱化成株式会社製)を、重量比60:40の割合でブ
レンドし、比着色力96%、窒素吸着比表面積65m2
/g、DBP吸油量88ml/100g、Dmod 199
nmのカーボンブラックを得た。
Reference Example 2 "Mitsubishi Carbon Black"# 20 and # 45 (both manufactured by Mitsubishi Kasei Co., Ltd.) were blended in a weight ratio of 60:40 to obtain a specific coloring power of 96% and a nitrogen adsorption specific surface area of 65 m 2.
/ G, DBP oil absorption 88ml / 100g, D mod 199
nm carbon black was obtained.

【0021】なお、ブレンドに用いた#20及び#45
は、次の特性値を有する。
Incidentally, # 20 and # 45 used for blending
Has the following characteristic values:

【表4】 “#20” “#45” 比着色力(%) 70 128 SN2(m2 /g) 40 105 DBP吸油量(ml/100g) 119 51 Dmod (nm) 199 62[Table 4] "# 20""#45" Specific tinting strength (%) 70 128 S N2 (m 2 / g) 40 105 DBP oil absorption (ml / 100g) 119 51 D mod (nm) 199 62

【0022】実施例1〜2 参考例1及び2で得られたカーボンブラックを用いて前
記の試験方法(5) (イ)の方法に従ってインキを調製
し、インキ適性をテストした。その結果を表1に示す。 比較例1〜3 市販の3種類カーボンブラックを用いて、実施例1〜2
と同様の方法でインキを調製し、インキ適性をテストし
た。その結果を表−1に示す。
Examples 1 and 2 Using the carbon blacks obtained in Reference Examples 1 and 2, inks were prepared according to the method of the above-mentioned test method (5) (a), and the ink suitability was tested. The results are shown in Table 1. Comparative Examples 1 to 3 Examples 1 to 2 using three commercially available carbon blacks
An ink was prepared in the same manner as above and tested for ink suitability. The results are shown in Table-1.

【0023】[0023]

【表5】 [Table 5]

【0024】表−1から明らかな様に、本発明のカーボ
ンブラックは、高い漆黒感を有し且つ青味色調の強いバ
ランスの優れたカーボンブラックであることがわかる。
一方、比較例1〜3のカーボンブラックは黒色度と青味
色調のバランスが不良であることがうかがえる。
As is clear from Table 1, the carbon black of the present invention is a carbon black having a high jet black feeling and a strong balance of a bluish color tone.
On the other hand, it can be seen that the carbon blacks of Comparative Examples 1 to 3 have a poor balance between blackness and bluish tones.

【0025】さらに、実施例のカーボンブラックの青味
色調の強さを明らかにするため青色補色剤を顔料(カー
ボンブラック)当り0%、2.5%、5.0%、10.
0%と変量させ比較例3のカーボンブラックを用いて評
価した。図1に示す結果から、青色補色剤の添加量が増
加するほど、色調は青味傾向を示すが、補色剤無しの条
件でインキ化した本発明のカーボンブラックと対顔料当
り10%添加した比較例3のカーボンブラックでは同一
色調レベルにあることから明らかなように青味色調の強
さが示された。
Further, in order to clarify the strength of the bluish color tone of the carbon black of the examples, a blue complementary colorant is added to the pigment (carbon black) at 0%, 2.5%, 5.0%, 10.
The carbon black of Comparative Example 3 was evaluated by changing the amount to 0%. From the results shown in FIG. 1, although the color tone tends to be bluish as the amount of the blue complementary colorant added increases, a comparison was made between the carbon black of the present invention made into an ink without the complementary colorant and 10% per pigment. The carbon black of Example 3 exhibited a bluish tone strength, as is apparent from the fact that it was at the same tone level.

【0026】従って本発明のカーボンブラックは非常に
高価な補色剤の添加量を低減させることが可能であり、
コストの低減を図ることができる。
Therefore, the carbon black of the present invention can reduce the addition amount of a very expensive complementary colorant,
The cost can be reduced.

【0027】[0027]

【発明の効果】本発明によれば、青味の色調を有し、か
つ漆黒感とインキ流動性の良好な印刷インキ用カーボン
ブラックを得ることができる。
EFFECTS OF THE INVENTION According to the present invention, carbon black for printing ink having a bluish color tone and having good jet black feeling and ink fluidity can be obtained.

【図面の簡単な説明】[Brief description of drawings]

【図1】実施例1と比較例3で用いたカーボンブラック
に青色補色剤を添加したときの、添加量と色調の関係を
示す図である。
FIG. 1 is a diagram showing the relationship between the addition amount and color tone when a blue complementary color agent is added to the carbon black used in Example 1 and Comparative Example 3.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 次の特性範囲 【表1】 比着色力 :80〜115%、 窒素吸着比表面積 :50〜100m2 /g、 DBP吸油量 :60〜100ml/100g、 遠心沈降法による凝集体径(Dmod ) :140〜230nm、 を有する印刷インキ用カーボンブラック。1. The following characteristic range: Specific coloring power: 80 to 115%, nitrogen adsorption specific surface area: 50 to 100 m 2 / g, DBP oil absorption: 60 to 100 ml / 100 g, aggregate by centrifugal sedimentation method Carbon black for printing ink having a diameter (D mod ): 140 to 230 nm.
JP16270293A 1993-06-30 1993-06-30 Carbon black for printing ink Pending JPH0718200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16270293A JPH0718200A (en) 1993-06-30 1993-06-30 Carbon black for printing ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16270293A JPH0718200A (en) 1993-06-30 1993-06-30 Carbon black for printing ink

Publications (1)

Publication Number Publication Date
JPH0718200A true JPH0718200A (en) 1995-01-20

Family

ID=15759683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16270293A Pending JPH0718200A (en) 1993-06-30 1993-06-30 Carbon black for printing ink

Country Status (1)

Country Link
JP (1) JPH0718200A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016088294A1 (en) * 2014-12-02 2016-06-09 マツダ株式会社 Multilayer coating film and coated object

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016088294A1 (en) * 2014-12-02 2016-06-09 マツダ株式会社 Multilayer coating film and coated object
JP2016107427A (en) * 2014-12-02 2016-06-20 マツダ株式会社 Laminated coating film and coated article
CN109153243A (en) * 2014-12-02 2019-01-04 马自达汽车株式会社 Multi-layer coating film and painting object

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