JP2002322407A - Carbon black composition and offset printing ink using the same - Google Patents
Carbon black composition and offset printing ink using the sameInfo
- Publication number
- JP2002322407A JP2002322407A JP2002045975A JP2002045975A JP2002322407A JP 2002322407 A JP2002322407 A JP 2002322407A JP 2002045975 A JP2002045975 A JP 2002045975A JP 2002045975 A JP2002045975 A JP 2002045975A JP 2002322407 A JP2002322407 A JP 2002322407A
- Authority
- JP
- Japan
- Prior art keywords
- carbon black
- printing ink
- ink
- resin
- black composition
- 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
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、カーボンブラック
をオフセット印刷インキ中に含まれる印刷インキ用常温
固体樹脂との乾式粉砕を行うことで、光沢および着色力
が高く、更にインキ生産性をも向上させるカーボンブラ
ック組成物、これを用いた印刷インキの製造方法及びそ
の組成物に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to dry grinding of carbon black with a room temperature solid resin for printing ink contained in offset printing ink, whereby the gloss and coloring power are high and the ink productivity is also improved. The present invention relates to a carbon black composition to be produced, a method for producing a printing ink using the same, and a composition thereof.
【０００２】[0002]
【従来の技術】通常オフセット印刷インキでは、カーボ
ンブラックを印刷インキ用溶剤及びワニス混合物中に混
合、分散することにより印刷物の光沢及び着色力が発現
する。2. Description of the Related Art Generally, offset printing inks exhibit gloss and tint strength of printed matter by mixing and dispersing carbon black in a solvent for printing ink and a varnish mixture.
【０００３】上記の光沢及び着色力等のオフセット印刷
インキ特性を発揮するためには、カーボンブラックが印
刷インキ用溶剤及びワニス混合物中に充分に分散されて
いることが要求されるが、そのためには充分な分散時間
が必要であり、インキ製造工程に多大な時間と労力を費
やすことになる。In order to exhibit the above-mentioned offset printing ink properties such as gloss and coloring power, it is required that carbon black is sufficiently dispersed in a mixture of a printing ink solvent and a varnish. Sufficient dispersion time is required, and a great deal of time and effort is spent in the ink manufacturing process.
【０００４】[0004]
【発明が解決するための課題】本発明の目的は、従来オ
フセット墨インキで使用されているカーボンブラックで
得られていた以上のインキ品位を実現すると同時にイン
キの生産性を向上させるカーボンブラック組成物および
オフセット印刷インキを提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a carbon black composition which achieves an ink quality higher than that obtained with carbon black conventionally used in offset black ink and at the same time improves ink productivity. And offset printing inks.
【０００５】[0005]
【課題を解決するための手段】第１の発明は、カーボン
ブラックに印刷インキ用常温固体樹脂を加えて乾式粉砕
した後、得られた粉砕物を印刷インキ用溶剤及びワニス
混合物中に混合、分散することにより得られることを特
徴とするカーボンブラック組成物である。According to a first aspect of the present invention, a cold solid resin for printing ink is added to carbon black and dry-pulverized, and the obtained pulverized product is mixed and dispersed in a solvent for printing ink and a varnish mixture. And a carbon black composition obtained by the following method.
【０００６】第２の発明は、印刷インキ用常温固体樹脂
がロジン変性フェノール樹脂、ロジン変性マレイン酸樹
脂、石油樹脂、アルキッド樹脂の少なくとも１種あるい
は２種以上であることを特徴とする第１発明記載のカー
ボンブラック組成物である。The second invention is characterized in that the room-temperature solid resin for printing ink is at least one or more of a rosin-modified phenol resin, a rosin-modified maleic resin, a petroleum resin, and an alkyd resin. It is a carbon black composition of the statement.
【０００７】第３の発明は、粉砕物を印刷インキ用溶剤
及びワニス混合物中に混合、分散する際の温度が６０〜
１３０℃であることを特徴とする第１または第２発明記
載のカーボンブラック組成物である。In a third aspect, the temperature at which the pulverized product is mixed and dispersed in a solvent for printing ink and a varnish mixture is 60 to 60.
The carbon black composition according to the first or second invention, wherein the temperature is 130 ° C.
【０００８】第４の発明は、印刷インキ用常温固体樹脂
の添加量がカーボンブラックに対して１〜１００重量％
であることを特徴とする第１〜第３発明何れか記載のカ
ーボンブラック組成物である。In a fourth aspect of the present invention, the addition amount of the room temperature solid resin for printing ink is 1 to 100% by weight based on carbon black.
The carbon black composition according to any one of the first to third inventions, wherein
【０００９】第５の発明は、乾式粉砕の温度が８０〜２
００℃であることを特徴とする第１〜第４発明何れか記
載のカーボンブラック組成物である。The fifth invention is characterized in that the temperature of the dry pulverization is from 80 to 2
The carbon black composition according to any one of the first to fourth inventions, which is at a temperature of 00 ° C.
【００１０】第６の発明は、第１〜第５発明いずれか記
載のカーボンブラック組成物を用いたことを特徴とする
オフセット印刷インキである。[0010] A sixth invention is an offset printing ink using the carbon black composition according to any one of the first to fifth inventions.
【００１１】[0011]
【発明の実施の形態】以下、本発明について詳細に説明
する。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
【００１２】本発明に用いるカーボンブラックは、粒
状、粉体であれば特に形状を問わない。The shape of the carbon black used in the present invention is not particularly limited as long as it is granular or powdery.
【００１３】本発明において、乾式粉砕時にカーボンブ
ラックに添加する印刷インキ用常温固体樹脂としては、
ロジン変性フェノール樹脂、ロジン変性マレイン酸樹
脂、石油樹脂、アルキッド樹脂などオフセット印刷イン
キに使用される樹脂であり、常温固体の樹脂である。こ
れらは任意に単独または２種類以上を組み合わせて使用
できるが、好ましくはロジン変性フェノール樹脂であ
る。ロジン変性フェノール樹脂は、特に限定されない
が、重量平均分子量が１〜１２万のものが好ましい。In the present invention, the room temperature solid resin for printing ink to be added to carbon black during dry pulverization includes:
It is a resin used in offset printing inks such as rosin-modified phenolic resin, rosin-modified maleic resin, petroleum resin, and alkyd resin, and is a solid at room temperature. These can be used singly or in combination of two or more, and are preferably rosin-modified phenolic resins. The rosin-modified phenol resin is not particularly limited, but preferably has a weight average molecular weight of 1 to 120,000.
【００１４】印刷インキ用常温固体樹脂量としては、カ
ーボンブラックに対して１〜１００重量％の範囲が好ま
しい。また、乾式粉砕温度としては８０〜２００℃の範
囲である。The amount of the room temperature solid resin for printing ink is preferably in the range of 1 to 100% by weight based on carbon black. The dry grinding temperature is in the range of 80 to 200 ° C.
【００１５】カーボンブラックに対する印刷インキ用常
温固体樹脂の添加量が多いと、乾式粉砕機内部で樹脂の
付着、固着の生じる危険性が高くなる。これは当然のこ
とながら樹脂の軟化点、粉砕温度にも影響されるため、
これらの条件を加味しながら最適処理量を決める必要が
ある。粉砕時間はその装置によってまたは希望とする粉
砕粒径に応じて任意に設定できる。If the amount of the room temperature solid resin for printing ink added to carbon black is large, the risk of adhesion and sticking of the resin inside the dry pulverizer increases. Since this is naturally affected by the softening point of the resin and the crushing temperature,
It is necessary to determine the optimum processing amount while taking these conditions into account. The pulverization time can be arbitrarily set depending on the apparatus or the desired pulverized particle size.
【００１６】乾式粉砕方法は、ビーズ、金属ボール等の
粉砕メディアの内蔵有無に関わらず、実質的に液状物質
を介在させないでカーボンブラックを粉砕するものであ
る。粉砕は、粉砕メディアを使用する場合は、粉砕メデ
ィア同士の衝撃による粉砕力や破壊力を利用して行われ
る。乾式粉砕機としては、乾式のアトライター、ボール
ミル、振動ミルなどを用いることができる。In the dry pulverization method, carbon black is pulverized with substantially no liquid material interposed regardless of the presence or absence of a pulverization medium such as beads and metal balls. When crushing media are used, crushing is performed using crushing force or destructive force due to impact between the crushing media. As a dry pulverizer, a dry attritor, a ball mill, a vibration mill, or the like can be used.
【００１７】また、窒素などの不活性ガスを流すことに
より乾式粉砕機内部の酸素濃度をコントロールして乾式
粉砕を行ってもよい。The dry pulverization may be performed by controlling the oxygen concentration in the dry pulverizer by flowing an inert gas such as nitrogen.
【００１８】また、本発明で得られるカーボンブラック
組成物は特開平９−２９１２２２などの粗製銅フタロシ
アニン組成物とは異なり、乾式粉砕時にカーボンブラッ
ク表面が酸化される。Further, the carbon black composition obtained in the present invention is different from a crude copper phthalocyanine composition as disclosed in JP-A-9-291222 or the like, in that the surface of the carbon black is oxidized during dry pulverization.
【００１９】尚、表面酸化されたカーボンブラックがオ
フセット印刷インキに与える具体的な影響としては、印
刷インキ用ワニスとの濡れ性、流動性、貯蔵時の安定
性、光沢の向上などが挙げられる。The specific effects of the surface-oxidized carbon black on the offset printing ink include improvement in wettability with a varnish for a printing ink, fluidity, stability during storage, gloss, and the like.
【００２０】また、添加した印刷インキ用常温固体樹脂
が酸化されることによる具体的な影響としては、オフセ
ット印刷インキの場合、湿し水に対するインキの散りの
悪化が挙げられる。これは印刷インキ用常温固体樹脂が
酸化されることにより樹脂表面張力が低下するためと考
えられ、オフセット印刷インキ適正として好ましくな
い。Further, as a specific effect of oxidization of the added ordinary-temperature solid resin for printing ink, in the case of offset printing ink, deterioration of ink scattering to fountain solution can be mentioned. This is considered to be because the normal temperature solid resin for printing ink is oxidized to lower the resin surface tension, which is not preferable as an offset printing ink.
【００２１】乾式粉砕機内部の酸素濃度は、粉砕機の種
類、粉砕温度などの製造条件と、粉砕するカーボンブラ
ック、印刷インキ用常温固体樹脂などの原料により決定
する。また、乾式粉砕終了時に低酸素濃度であると、粉
塵爆発防止の安全性の面からも有効である。The oxygen concentration in the dry pulverizer is determined by the type of the pulverizer, the production conditions such as the pulverization temperature, and the raw materials such as carbon black to be pulverized and room temperature solid resin for printing ink. Further, if the oxygen concentration is low at the end of the dry pulverization, it is effective from the viewpoint of safety in preventing dust explosion.
【００２２】本発明のカーボンブラック組成物を用いて
オフセット印刷インキを製造する場合の印刷インキ用溶
剤またはワニス中の溶剤としては、高沸点石油系溶剤、
脂肪族炭化水素溶剤、高級アルコール系溶剤などオフセ
ット印刷インキに適した溶剤であれば芳香族を含まない
溶剤であっても単独あるいは２種類以上の組み合わせで
任意に使用できる。When producing an offset printing ink using the carbon black composition of the present invention, the solvent for the printing ink or the solvent in the varnish may be a high boiling petroleum solvent,
As long as it is a solvent suitable for offset printing ink such as an aliphatic hydrocarbon solvent and a higher alcohol solvent, even a solvent containing no aromatic solvent can be used alone or in combination of two or more.
【００２３】また、混合・分散時の温度、時間は、６０
〜１３０℃で２０〜４８０分が望ましい。The temperature and time during mixing and dispersion are 60
It is desirable that the temperature is from about 130 ° C. to about 480 minutes.
【００２４】また、同様にオフセット印刷インキを製造
する場合の印刷インキワニス用樹脂としては、ロジン変
性フェノール樹脂、ロジン変性マレイン酸樹脂、石油樹
脂、アルキッド樹脂など印刷インキに適した樹脂、大豆
油、桐油、アマニ油など印刷インキに適した乾性油や重
合乾性油などを、その他印刷インキ用の添加剤などと共
に任意に単独または２種類以上を組み合わせて使用でき
る。Similarly, resins for printing ink varnishes for producing offset printing inks include resins suitable for printing inks such as rosin-modified phenolic resin, rosin-modified maleic acid resin, petroleum resin, alkyd resin, soybean oil, tung oil Drying oil or polymerization drying oil suitable for printing inks such as linseed oil can be used singly or in combination of two or more with other additives for printing inks.
【００２５】[0025]
【実施例】以下、本発明を実施例により、更に具体的に
説明するが、本発明は以下の実施例によって限定される
ものではない。EXAMPLES Hereinafter, the present invention will be described more specifically with reference to Examples, but the present invention is not limited to the following Examples.
【００２６】[0026]
【実施例１】乾式アトライタにカーボンブラックＭＡ−
７（三菱化学株式会社製）７０重量部と軟化点１６０
℃、重量平均分子量８万のロジン変性フェノール樹脂１
１重量部を加え、１６０℃で１時間粉砕を行った。次
に、得られた粉砕物２０重量部を、印刷インキ用ワニス
４６重量部、７号ソルベント（日本石油株式会社製）１
４重量部に加え、１２０℃にて４時間緩やかに撹拌混合
した後、３本ロールで分散し、ベースインキを得た。次
に、得られたベースインキにワニス８重量部、７号ソル
ベント１２重量部を加え最終インキに調整した。Example 1 Carbon black MA- was used as a dry attritor.
7 (Mitsubishi Chemical Corporation) 70 parts by weight and softening point 160
Rosin-modified phenolic resin having a weight average molecular weight of 80,000 ° C 1
One part by weight was added and pulverized at 160 ° C. for 1 hour. Next, 20 parts by weight of the obtained pulverized product were mixed with 46 parts by weight of a varnish for printing ink and No. 7 Solvent (produced by Nippon Oil Co., Ltd.)
In addition to 4 parts by weight, the mixture was gently stirred and mixed at 120 ° C. for 4 hours, and then dispersed with three rolls to obtain a base ink. Next, 8 parts by weight of varnish and 12 parts by weight of No. 7 solvent were added to the obtained base ink to prepare a final ink.
【００２７】[0027]
【実施例２】乾式アトライタにカーボンブラックＭＡ−
１１（三菱化学株式会社製）７０重量部と軟化点１６０
℃、重量平均分子量８万のロジン変性フェノール樹脂３
５重量部を加え、１２０℃で１時間粉砕を行った。次
に、得られた粉砕物２６重量部を、印刷インキ用ワニス
３８重量部、７号ソルベント（日本石油株式会社製）１
６重量部に加え、１００℃にて２時間緩やかに撹拌混合
した後、３本ロールで分散し、ベースインキを得た。次
に、得られたベースインキにワニス９重量部、７号ソル
ベント１１重量部を加え最終インキに調整した。Embodiment 2 Carbon black MA- was used as a dry attritor.
11 (manufactured by Mitsubishi Chemical Corporation) 70 parts by weight and softening point 160
Rosin-modified phenol resin with a weight average molecular weight of 80,000 ° C 3
5 parts by weight were added and pulverized at 120 ° C. for 1 hour. Next, 26 parts by weight of the obtained pulverized product were mixed with 38 parts by weight of a varnish for printing ink and No. 7 solvent (Nippon Oil Co., Ltd.) 1
In addition to 6 parts by weight, the mixture was gently stirred and mixed at 100 ° C. for 2 hours, and then dispersed with three rolls to obtain a base ink. Next, 9 parts by weight of varnish and 11 parts by weight of No. 7 solvent were added to the obtained base ink to prepare a final ink.
【００２８】[0028]
【実施例３】乾式アトライタにカーボンブラックニテロ
ン＃２００ＩＳ（新日化カーボン株式会社製）７０重量
部と、軟化点１６０℃、重量平均分子量８万のロジン変
性フェノール樹脂５重量部を加え１１０℃で１時間粉砕
を行った。次に、得られた粉砕物０．２重量部を、成形
圧力１００ｋｇ／ｃｍ2にて圧縮を行いペレットに調整
した。Example 3 70 parts by weight of carbon black nitrone # 200IS (manufactured by Nippon Carbon Co., Ltd.) and 5 parts by weight of a rosin-modified phenol resin having a softening point of 160 ° C. and a weight average molecular weight of 80,000 were added to a dry attritor, and the mixture was heated to 110 ° C. For 1 hour. Next, 0.2 parts by weight of the obtained pulverized product was compressed at a molding pressure of 100 kg / cm 2 to prepare pellets.
【００２９】[0029]
【比較例１】カーボンブラックＭＡ−７（三菱化学株式
会社）１７重量部を、印刷インキ用ワニス４９重量部、
７号ソルベント（日本石油株式会社製）１４重量部に加
え、１２０℃にて４時間緩やかに撹拌した後、３本ロー
ルで分散し、ベースインキを得た。次に、得られたベー
スインキにワニス７重量部、７号ソルベント１３重量部
を加え最終インキに調整した。[Comparative Example 1] 17 parts by weight of carbon black MA-7 (Mitsubishi Chemical Corporation), 49 parts by weight of a varnish for printing ink,
The mixture was added to 14 parts by weight of No. 7 solvent (manufactured by Nippon Oil Co., Ltd.), gently stirred at 120 ° C. for 4 hours, and then dispersed with three rolls to obtain a base ink. Next, 7 parts by weight of varnish and 13 parts by weight of No. 7 solvent were added to the obtained base ink to prepare a final ink.
【００３０】[0030]
【比較例２】乾式アトライタに粗製銅フタロシアニン７
０重量部と軟化点１６０℃、重量平均分子量８万のロジ
ン変性フェノール樹脂５重量部を加え１時間粉砕を行っ
た。次に、得られた粉砕物０，２重量部を、成形圧力６
０ｋｇ／ｃｍ2にて圧縮を行いペレットに調整した。Comparative Example 2 Crude copper phthalocyanine 7 was added to a dry attritor.
0 parts by weight, 5 parts by weight of a rosin-modified phenol resin having a softening point of 160 ° C. and a weight average molecular weight of 80,000 were added, and pulverized for 1 hour. Next, 0.2 parts by weight of the obtained pulverized product was subjected to a molding pressure of 6
Compression was performed at 0 kg / cm 2 to prepare pellets.
【００３１】実施例１、２及び比較例１の方法により得
られたインキを試験方法（１）、（２）の方法に従って
インキ適性試験を行った。その結果を表１に示す。ま
た、実施例３及び比較例２の方法により得られたペレッ
トを試験方法（３）の方法に従い評価を行った。その結
果を表２に示す。また、実施例３の方法により得られた
ペレットを試験方法（４）の方法に従い評価を行った。
その結果を表３に示す。The inks obtained by the methods of Examples 1 and 2 and Comparative Example 1 were subjected to an ink suitability test according to the test methods (1) and (2). Table 1 shows the results. Further, the pellets obtained by the methods of Example 3 and Comparative Example 2 were evaluated according to the test method (3). Table 2 shows the results. Further, the pellets obtained by the method of Example 3 were evaluated according to the test method (4).
Table 3 shows the results.
【００３２】[0032]
【表１】 [Table 1]
【００３３】[0033]
【表２】 [Table 2]
【００３４】[0034]
【表３】 [Table 3]
【００３５】＜試験方法＞ （１）３本ロールによる分散性 ロール間圧力１０ｂａｒ、温度６０℃の条件下で一定量
のベースインキをロール間に通し、ロールを通過したイ
ンキをグラインドゲージ７．５μｍを目標に分散させ
た。その時のロールパス回数を分散性の指標とした。 （２）光学適性 三菱商業用オフセット輪転機 ＬＩＴＨＯＰＩＡ ＢＴ
２−８００ ＮＥＯ（三菱重工業株式会社製）により、
インキをコート紙に展色する。その墨インキが展色され
た展色紙を高速測色分光光度計 Ｓｐｅｃｔｒｏ Ｐｈ
ｏｔｏ Ｍａｓｔｅｒ ＣＭＳ−３５ＳＰ（株式会社村
上彩技術研究所製）を用いて着色力Ｌ＊の測定を行っ
た。数字が小さくなるほど黒味の色調が強いことを表
す。また、同様にその展色紙をグロスメーター ＧＭ−
２６Ｄ（株式会社村上彩技術研究所製）を用いて光沢値
を測定した。数字が大きくなるほど高光沢を表す。 （３）表面分析 Ｘ線光電子分光分析装置ＡＸＩＳ−ＨＳ（株式会社島津
製作所製）内に得られたペレットを設置する。そのペレ
ットに真空度１０-8ｔｏｒｒの試料室内の下、Ｄｕａｌ
Ｘ線源（マグネシウムターゲット使用）、１２ｋｖ−
５ｍＡのＸ線源を照射し、放出された光電子のエネルギ
ーを分光して表面構成元素及びその化学結合状態を分析
する。 （４）カルボキシル基量 カーボンブラック２ｇを０．１Ｎの炭酸水素ナトリウム
溶液５０ｍｌと共に約４時間振とうした後、その上澄み
液２５ｍｌを採り、０．０５Ｎ塩酸５０ｍｌ、水３０ｍ
ｌを加えて２０分間煮沸して炭酸を除去し、残存する塩
酸を０．０５Ｎの水酸化ナトリウム溶液により滴定す
る。カーボンブラックが無い場合のブランク実験を同時
に並行して行い、両者の差をカーボンブラックによる消
費量すなわちカルボキシル基量とする。<Test Method> (1) Dispersibility by Three Rolls Under a condition of a pressure between rolls of 10 bar and a temperature of 60 ° C., a certain amount of base ink is passed between the rolls, and the ink passed through the rolls is subjected to a grind gauge of 7.5 μm. Was distributed to the goal. The number of roll passes at that time was used as an index of dispersibility. (2) Optical aptitude Mitsubishi commercial rotary press LITHOPIA BT
2-800 NEO (Mitsubishi Heavy Industries, Ltd.)
Spread the ink on the coated paper. A high-speed colorimetric spectrophotometer Spectro Ph
The coloring power L * was measured using auto Master CMS-35SP (manufactured by Murakami Aya Technical Research Institute). The smaller the number, the stronger the black color tone. In addition, similarly, the developed colored paper is used as a gloss meter GM-
The gloss value was measured using 26D (manufactured by Aya Murakami Technical Laboratory). The higher the number, the higher the gloss. (3) Surface analysis The obtained pellet is placed in an X-ray photoelectron spectrometer AXIS-HS (manufactured by Shimadzu Corporation). The pellet is placed under a sample chamber with a vacuum of 10 -8 torr under Dual
X-ray source (using magnesium target), 12kv-
A 5 mA X-ray source is irradiated, and the energy of the emitted photoelectrons is analyzed to analyze the surface constituent elements and their chemical bonding state. (4) Amount of carboxyl group After shaking 2 g of carbon black together with 50 ml of 0.1 N sodium hydrogen carbonate solution for about 4 hours, 25 ml of the supernatant was taken, 50 ml of 0.05 N hydrochloric acid, and 30 m of water.
The mixture is boiled for 20 minutes to remove carbonic acid, and the remaining hydrochloric acid is titrated with a 0.05N sodium hydroxide solution. Blank experiments in the absence of carbon black are performed simultaneously in parallel, and the difference between the two is defined as the amount consumed by carbon black, that is, the amount of carboxyl groups.
【００３６】[0036]
【発明の効果】発明の方法によって、従来から使用され
ているカーボンブラックで実現していたインキ特性の高
品位化およびインキ製造時の生産性の向上が得られるカ
ーボンブラック組成物の提供が可能となる。According to the method of the present invention, it is possible to provide a carbon black composition capable of improving the quality of ink properties and improving the productivity during ink production, which have been realized by conventionally used carbon black. Become.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 湯浅 貴弘 東京都中央区京橋二丁目３番13号東洋イン キ製造株式会社内 Ｆターム(参考） 4J037 AA02 CC11 CC17 CC22 CC24 DD23 EE08 EE28 EE29 EE44 EE47 4J039 AD14 AD18 AE02 AE06 AF01 BA04 BE12 CA07 EA33 GA02 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takahiro Yuasa 2-13-13 Kyobashi, Chuo-ku, Tokyo Toyo Ink Manufacturing Co., Ltd. F-term (reference) 4J037 AA02 CC11 CC17 CC22 CC24 DD23 EE08 EE28 EE29 EE44 EE47 4J039 AD14 AD18 AE02 AE06 AF01 BA04 BE12 CA07 EA33 GA02
Claims (6)
体樹脂を加えて乾式粉砕した後、得られた粉砕物を印刷
インキ用溶剤及びワニス混合物中に混合、分散すること
を特徴とするカーボンブラック組成物。1. A carbon black composition characterized by adding a room-temperature solid resin for printing ink to carbon black and dry-pulverizing, and then mixing and dispersing the obtained pulverized product in a solvent for printing ink and a varnish mixture. .
ノール樹脂、ロジン変性マレイン酸樹脂、石油樹脂、ア
ルキッド樹脂の少なくとも１種あるいは２種以上である
ことを特徴とする請求項１記載のカーボンブラック組成
物。2. The carbon black composition according to claim 1, wherein the solid resin for a printing ink is at least one or more of a rosin-modified phenol resin, a rosin-modified maleic resin, a petroleum resin, and an alkyd resin. object.
合物中に混合、分散する際の温度が６０〜１３０℃であ
ることを特徴とする請求項１または２記載のカーボンブ
ラック組成物。3. The carbon black composition according to claim 1, wherein the temperature at which the pulverized material is mixed and dispersed in the solvent for printing ink and the varnish is 60 to 130 ° C.
ーボンブラックに対して１〜１００重量％であることを
特徴とする請求項１から３何れか記載のカーボンブラッ
ク組成物。4. The carbon black composition according to claim 1, wherein the amount of the room-temperature solid resin for printing ink is 1 to 100% by weight based on carbon black.
ことを特徴とする請求項１〜４何れか記載のカーボンブ
ラック組成物。5. The carbon black composition according to claim 1, wherein the temperature of the dry pulverization is 80 to 200 ° C.
ラック組成物を用いたことを特徴とするオフセット印刷
インキ。6. An offset printing ink comprising the carbon black composition according to claim 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002045975A JP3948304B2 (en) | 2001-02-26 | 2002-02-22 | Carbon black composition and offset printing ink using the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001049609 | 2001-02-26 | ||
| JP2001-49609 | 2001-02-26 | ||
| JP2002045975A JP3948304B2 (en) | 2001-02-26 | 2002-02-22 | Carbon black composition and offset printing ink using the same |
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| Publication Number | Publication Date |
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| JP2002322407A true JP2002322407A (en) | 2002-11-08 |
| JP3948304B2 JP3948304B2 (en) | 2007-07-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006100944A1 (en) * | 2005-03-22 | 2006-09-28 | Sakata Inx Corp. | Process for producing ink composition for offset printing, and ink composition for offset printing produced by said production process |
| WO2006103950A1 (en) * | 2005-03-25 | 2006-10-05 | Sakata Inx Corp. | Process for producing ink composition for offset printing, and ink composition for offset printing produced by said production process |
| WO2006109430A1 (en) * | 2005-03-31 | 2006-10-19 | Sakata Inx Corp. | Process for producing ink composition for offset printing and ink composition for offset printing produced by said production process |
-
2002
- 2002-02-22 JP JP2002045975A patent/JP3948304B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006100944A1 (en) * | 2005-03-22 | 2006-09-28 | Sakata Inx Corp. | Process for producing ink composition for offset printing, and ink composition for offset printing produced by said production process |
| JP4977010B2 (en) * | 2005-03-22 | 2012-07-18 | サカタインクス株式会社 | Method for producing ink composition for offset printing and ink composition for offset printing obtained from the production method |
| WO2006103950A1 (en) * | 2005-03-25 | 2006-10-05 | Sakata Inx Corp. | Process for producing ink composition for offset printing, and ink composition for offset printing produced by said production process |
| JP4874955B2 (en) * | 2005-03-25 | 2012-02-15 | サカタインクス株式会社 | Method for producing ink composition for offset printing and ink composition for offset printing obtained from the production method |
| WO2006109430A1 (en) * | 2005-03-31 | 2006-10-19 | Sakata Inx Corp. | Process for producing ink composition for offset printing and ink composition for offset printing produced by said production process |
| JP4874957B2 (en) * | 2005-03-31 | 2012-02-15 | サカタインクス株式会社 | Method for producing ink composition for offset printing and ink composition for offset printing obtained from the production method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3948304B2 (en) | 2007-07-25 |
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