JP2016150999A - Lithographic printing ink composition - Google Patents
Lithographic printing ink composition Download PDFInfo
- Publication number
- JP2016150999A JP2016150999A JP2015030124A JP2015030124A JP2016150999A JP 2016150999 A JP2016150999 A JP 2016150999A JP 2015030124 A JP2015030124 A JP 2015030124A JP 2015030124 A JP2015030124 A JP 2015030124A JP 2016150999 A JP2016150999 A JP 2016150999A
- Authority
- JP
- Japan
- Prior art keywords
- ink
- oil
- printing
- amine
- ink 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
- 238000007639 printing Methods 0.000 title claims abstract description 53
- 239000000203 mixture Substances 0.000 title claims description 30
- 150000001412 amines Chemical class 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 125000001183 hydrocarbyl group Chemical group 0.000 claims abstract 2
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 22
- 239000008158 vegetable oil Substances 0.000 claims description 20
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 239000006229 carbon black Substances 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 abstract description 23
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- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
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- -1 unsaturated aliphatic alcohols Chemical class 0.000 description 10
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- 239000000194 fatty acid Substances 0.000 description 9
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 239000012184 mineral wax Substances 0.000 description 1
- 239000008164 mustard oil Substances 0.000 description 1
- QMHNQZGXPNCMCO-UHFFFAOYSA-N n,n-dimethylhexan-1-amine Chemical compound CCCCCCN(C)C QMHNQZGXPNCMCO-UHFFFAOYSA-N 0.000 description 1
- UQKAOOAFEFCDGT-UHFFFAOYSA-N n,n-dimethyloctan-1-amine Chemical compound CCCCCCCCN(C)C UQKAOOAFEFCDGT-UHFFFAOYSA-N 0.000 description 1
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 description 1
- ATBNMWWDBWBAHM-UHFFFAOYSA-N n-decyl-n-methyldecan-1-amine Chemical compound CCCCCCCCCCN(C)CCCCCCCCCC ATBNMWWDBWBAHM-UHFFFAOYSA-N 0.000 description 1
- VFLWKHBYVIUAMP-UHFFFAOYSA-N n-methyl-n-octadecyloctadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCN(C)CCCCCCCCCCCCCCCCCC VFLWKHBYVIUAMP-UHFFFAOYSA-N 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- DGBWPZSGHAXYGK-UHFFFAOYSA-N perinone Chemical compound C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13 DGBWPZSGHAXYGK-UHFFFAOYSA-N 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 1
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical compound O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 description 1
- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000005713 safflower oil Nutrition 0.000 description 1
- 239000003813 safflower oil Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000008159 sesame oil Substances 0.000 description 1
- 235000011803 sesame oil Nutrition 0.000 description 1
- KQOMUSLQKQAVTD-UHFFFAOYSA-N sodium 4-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-1,5-disulfonic acid Chemical compound C1=CC2=C(C=C(C(=C2C(=C1)S(=O)(=O)O)O)N=NC3=CC=C(C=C3)[N+](=O)[O-])S(=O)(=O)O.[Na+] KQOMUSLQKQAVTD-UHFFFAOYSA-N 0.000 description 1
- TYVJJYHBZVERDC-UHFFFAOYSA-N sodium 8-hydroxy-7-[(4-nitrophenyl)diazenyl]naphthalene-1,6-disulfonic acid Chemical compound C1=CC2=CC(=C(C(=C2C(=C1)S(=O)(=O)O)O)N=NC3=CC=C(C=C3)[N+](=O)[O-])S(=O)(=O)O.[Na+] TYVJJYHBZVERDC-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- OJQMPIICCPYCQQ-UHFFFAOYSA-N tetracos-15-en-1-ol Chemical compound CCCCCCCCC=CCCCCCCCCCCCCCCO OJQMPIICCPYCQQ-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000012178 vegetable wax Substances 0.000 description 1
- 239000008170 walnut oil Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
本願発明は、書籍、チラシ、カタログ、ポスター等を印刷する平版印刷に使用される平版印刷インキ組成物(以下、「インキ」と略す。)に関するものであり、特に、印刷品質の向上と印刷作業性の向上に関するものであり、更には、耐摩擦性、光沢、着肉性に優れ、パイリングを低減できるインキに関するものである。 The present invention relates to a lithographic printing ink composition (hereinafter abbreviated as “ink”) used for lithographic printing for printing books, leaflets, catalogs, posters, etc., and in particular, improving printing quality and printing work. Further, the present invention relates to an ink that is excellent in friction resistance, gloss, and inking properties, and that can reduce piling.
近年印刷業界では、印刷時の省人、省力化、自動化、高速化の要求が高まってきている事に合わせて、様々な印刷条件下に於いてトラブルレスで長時間安定して高品位な印刷物が得られる印刷用インキが望まれており、インキメーカーでは種々の改良を実施してきている。 In recent years, in the printing industry, demands for labor saving, labor saving, automation, and high-speed printing have been increasing. Ink for printing is desired, and ink manufacturers have made various improvements.
特にドットの小さいFMスクリーン、また印刷物の精細さの向上、および印刷メーカー自体のインキ使用量削減の観点からAMスクリーンの高精細化が急速に普及している。そのため、先刷りインキである墨・藍インキが後刷り用のブランケットに付着して徐々に堆積していく後胴残りなどインキのセット性に依存する印刷トラブルへのインキ面からの対応が求められている。
また、セット性が速く、ガイドローラーに付着・堆積し、印刷物への汚れの発生するガイド残り、引きずり汚れといったセット性に依存する印刷トラブルがある。
In particular, high definition of AM screens is rapidly spreading from the viewpoint of FM screens with small dots, improvement of the fineness of printed matter, and reduction of ink usage of the printing maker itself. For this reason, it is necessary to respond from the ink surface to printing troubles that depend on the ink setability, such as the back cylinder residue where the pre-printed ink black and indigo ink adheres to the blanket for post-printing and gradually accumulates. ing.
Further, there is a printing trouble that depends on the setting property such as fast setting property, adhesion and accumulation on the guide roller, remaining guide on the printed matter, and dragging stain.
こうした後胴残り・ガイド残りなどの問題に対してはインキのセット性を遅くすることが、対応策の一つとなっている。セット性を遅くするためには、植物油などに代表される溶解性の高い素材を用いて、樹脂との相溶性を上げることが有用な方法の一つとして挙げられる。しかし、特にヒートセットオフセット印刷では、ドライヤー部での短時間の通過での蒸発乾燥性が要求されるが、揮発性の低い植物油が多く添加されると乾燥性が不利になる。そのため、お互いトレードオフの関係にあるセット性と乾燥性のバランスを考慮し、植物油量も大幅に上げられないのが現状である。 One of the countermeasures against the problems such as the back cylinder remaining and the guide remaining is to slow the ink setting. In order to slow the setting property, one of useful methods is to increase the compatibility with the resin by using a highly soluble material typified by vegetable oil. However, particularly in heat set offset printing, evaporative drying is required in a short time passage in the dryer section. However, if a large amount of low-volatile vegetable oil is added, the drying becomes disadvantageous. Therefore, the amount of vegetable oil cannot be increased significantly considering the balance between setability and dryness, which are in a trade-off relationship with each other.
特許文献1では、植物油脂由来の脂肪族アルコールから誘導される220〜310℃を沸点にもつジアルキルエーテルをワニス中の溶剤として使用している。しかし、このような高溶解溶剤をワニス中に用いた場合、樹脂の溶解性が大幅に向上し、プリンティングタックが大幅に上昇し、高速印刷時での紙剥けやミスチングといった印刷トラブルにつながる恐れがある。 In Patent Document 1, a dialkyl ether having a boiling point of 220 to 310 ° C. derived from an aliphatic alcohol derived from vegetable oil is used as a solvent in the varnish. However, if such a high-solubility solvent is used in the varnish, the solubility of the resin will be greatly improved, the printing tack will be greatly increased, and this may lead to printing problems such as paper peeling and misting during high-speed printing. is there.
また、セット性を遅くする方法としては一般的には樹脂の溶解性を上げる方法がある。オフセット印刷用に一般的に用いられるロジンフェノール樹脂ではアルキルフェノールの配合比を調整し樹脂自体の溶解性を上げることでセット性を遅くすることが可能である。しかし、インキの粘弾性はロジンフェノール樹脂の分子量、溶解性の設計に大きく依存するため、目的のセット性、インキの粘弾性を達成できる樹脂設計は容易ではない。 As a method for slowing the setting property, there is generally a method for increasing the solubility of the resin. In the rosin phenol resin generally used for offset printing, it is possible to slow the setting property by adjusting the compounding ratio of the alkylphenol and increasing the solubility of the resin itself. However, since the viscoelasticity of the ink greatly depends on the molecular weight and solubility design of the rosin phenolic resin, it is not easy to design a resin that can achieve the desired setting property and ink viscoelasticity.
本願発明はこのような従来の技術における印刷適性上及び印刷品質上、さらにはインキ製造中や印刷現場での作業効率を大幅に向上することを目的としている。すなわち、ドットが小さい事に由来する印刷トラブルを低減してロングランでの連続印刷を可能とし、乾燥性が良好なインキを提供する。更には、インキ製造中の作業性を高め、添加量を調整することで容易にセット性を調整できるインキを提供することを目的とする。
The object of the present invention is to greatly improve the working efficiency in the ink production and on the printing site in terms of printability and print quality in the conventional technology. That is, it is possible to reduce the printing trouble caused by small dots, enable continuous printing with a long run, and provide an ink with good drying properties. Furthermore, it aims at providing the ink which can improve workability | operativity during ink manufacture and can adjust setting property easily by adjusting the addition amount.
本発明は、カーボンブラック、アミン、バインダー樹脂、植物油類を含有することを特徴とする平版印刷インキ組成物であって、
前記アミンは、少なくとも一つの炭素数8〜22の炭化水素基を有し、かつ、合計12以上の炭素原子を有するアミンである平版印刷インキ組成物に関する。
The present invention is a lithographic printing ink composition comprising carbon black, an amine, a binder resin, and vegetable oils,
The amine relates to a lithographic printing ink composition which is an amine having at least one hydrocarbon group having 8 to 22 carbon atoms and a total of 12 or more carbon atoms.
また、本発明は、平版印刷インキ組成物全量中、アミンを0.01〜0.5重量%含有することを特徴とする上記平版印刷インキ組成物に関する。 The present invention also relates to the above lithographic printing ink composition, wherein the lithographic printing ink composition contains 0.01 to 0.5% by weight of amine in the total amount of the lithographic printing ink composition.
また、上記平版印刷インキ組成物を、基材に印刷してなる印刷物に関する。 Moreover, it is related with the printed matter formed by printing the said lithographic printing ink composition on a base material.
従来では、インキのセット性を遅延するためには樹脂自体の高溶解化、ワニス用溶剤の高溶解化が行われてきた。しかし、ともにインキの粘弾性の大幅な変化などの問題をはらんでいた。本願発明によって、インキ製造中、印刷現場においてインキの粘弾性を損なわずに一定条件の炭化水素基を有するアミンを少量の添加により容易にインキのセット性を操作することが可能となった。
Conventionally, in order to delay the setting property of the ink, the resin itself has been highly dissolved and the varnish solvent has been highly dissolved. However, both have problems such as a drastic change in the viscoelasticity of the ink. According to the present invention, during ink production, it is possible to easily manipulate the ink setting property by adding a small amount of an amine having a hydrocarbon group under certain conditions without impairing the viscoelasticity of the ink at the printing site.
本願発明で使用されるバインダー樹脂と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、アルキド樹脂、ポリエステル樹脂および石油樹脂等を示し、そ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、好ましくは、ロジン変性フェノール樹脂を使用することが望ましい。 The binder resin used in the present invention refers to rosin-modified phenolic resin, rosin-modified maleic acid resin, alkyd resin, polyester resin, petroleum resin, etc., which can be used alone or in combination of two or more, preferably It is desirable to use a rosin modified phenolic resin.
バインダー樹脂であるロジン変性フェノール樹脂の重量平均分子量は、20000〜200000の範囲が望ましく、より好ましくは25000〜160000、さらに好ましくは30000〜120000の範囲であることが望ましい。20000未満では弾性が低くなりミスチングを増大させる懸念があり、200000を超える重量平均分子量では流動性や着肉性を劣化させる懸念がある。 The weight average molecular weight of the rosin-modified phenol resin that is a binder resin is preferably in the range of 20000 to 200000, more preferably 25000 to 16000, and still more preferably in the range of 30000 to 120,000. If it is less than 20000, there is a concern that elasticity will be low and misting will increase, and if it exceeds 200,000, there is a concern that fluidity and inking properties will be deteriorated.
本願発明に関するロジン変性フェノール樹脂は、ノルマルパラフィン白濁温度が40〜160℃の範囲が望ましく、さらに好ましくは50〜130℃の範囲である。本願発明において、ノルマルパラフィン白濁温度とは、樹脂10重量%と14〜16の炭素数を有するノルマルパラフィン90重量%を加熱混合した際に、白濁する下限の温度をいう(それ以上の温度では白濁が観察されない。)。40℃未満では樹脂の溶解性が高すぎるのでインキのタックが高くなり、160℃を超える白濁温度では樹脂の溶解性が低すぎるので溶剤が離脱し易く機上でインキが締まり易くなる。 The rosin-modified phenolic resin relating to the present invention preferably has a normal paraffin turbidity temperature in the range of 40 to 160 ° C, more preferably in the range of 50 to 130 ° C. In the present invention, the normal paraffin white turbidity temperature means a lower limit temperature at which white turbidity occurs when 10% by weight of the resin and 90% by weight of normal paraffin having 14 to 16 carbon atoms are heated and mixed (at higher temperatures, the white turbidity). Is not observed.) If the temperature is lower than 40 ° C., the resin has too high solubility, and the tackiness of the ink becomes high. If the clouding temperature exceeds 160 ° C., the solubility of the resin is too low, so that the solvent is easily removed and the ink is easily tightened on the machine.
本願発明におけるアミンは、少なくとも一つの炭素数8〜22の炭化水素基を有し、かつ、合計12以上の炭素原子を有する第1級、2級、3級アミンである。炭素数が合計12未満である場合、乳化率が大幅に上昇し、顕著な地汚れトラブルが起こる。
炭素数8〜22の炭化水素基としては、直鎖もしくは分岐のアルキル基であり、当該アルキル基はさらにアルコキシ基などで置換されていてもよい。
The amine in the present invention is a primary, secondary or tertiary amine having at least one hydrocarbon group having 8 to 22 carbon atoms and a total of 12 or more carbon atoms. When the total number of carbon atoms is less than 12, the emulsification rate is significantly increased, and a remarkable scumming trouble occurs.
The hydrocarbon group having 8 to 22 carbon atoms is a linear or branched alkyl group, and the alkyl group may be further substituted with an alkoxy group or the like.
また、アミンはジアミン、トリアミンなどの多価アミンでもよく、前述のモノアミンに限られるものではない。ジアミンとしては、エチレンジアミン、プロピレンジアミン、ブチレンジアミンなどのアルキレンジアミンのN−アルキル置換体が挙げられる。トリアミンとしては、ジエチレントリアミンのN−アルキル置換体などがある。
多価アミンの場合、炭素数8〜22の炭化水素基は、N−アルキル基であっても、窒素原子と窒素原子とを結合するアルキレン基が、直鎖もしくは分岐の炭素数8〜22のアルキレン基であってもよい。例えば、ドデシレンジアミンなどが挙げられる。
The amine may be a polyamine such as diamine or triamine, and is not limited to the above-mentioned monoamine. Examples of the diamine include N-alkyl-substituted products of alkylene diamines such as ethylene diamine, propylene diamine, and butylene diamine. Triamines include N-alkyl substituted diethylenetriamine.
In the case of a polyvalent amine, even if the hydrocarbon group having 8 to 22 carbon atoms is an N-alkyl group, the alkylene group that bonds the nitrogen atom to the nitrogen atom is a linear or branched C 8-22 carbon atom. It may be an alkylene group. For example, dodecylenediamine is exemplified.
本願発明におけるアミンはカルボン酸やスルホン酸などに中和された塩の状態でも構わない。 The amine in the present invention may be in the form of a salt neutralized with carboxylic acid or sulfonic acid.
本願発明では使用する前述のアミンのインキへの添加量としては、インキ組成物全量に対して、0.01〜0.5重量%の範囲が好ましく、より好ましくは0.05〜0.3重量%の範囲内である。0.01重量%未満ではセット遅延性の効果が乏しく、0.5重量%を超える範囲内では乳化率がアップし、顕著な地汚れが発生し、水ダイヤルが大幅に上昇し、乾燥性などのトラブルも発生することがある。 In the present invention, the amount of the above-mentioned amine used in the ink is preferably 0.01 to 0.5% by weight, more preferably 0.05 to 0.3% by weight based on the total amount of the ink composition. It is within the range of%. If it is less than 0.01% by weight, the effect of delaying the setting is poor, and if it exceeds 0.5% by weight, the emulsification rate increases, noticeable soiling occurs, the water dial rises significantly, and the drying property etc. Troubles may also occur.
本願発明では使用するアミンは単一である必要はなく、複数種組み合わせて使用してもよい。 In the present invention, the amine to be used is not necessarily a single one, and a plurality of amines may be used in combination.
本願発明では使用するアミンは、分散工程前のプレミックス段階、または分散後の調整段階で添加してもどちらでも構わない。 In the present invention, the amine used may be added in the premix stage before the dispersion process or in the adjustment stage after dispersion.
本願発明では使用するアミンは、液体・固体の形状がある。固体の場合は予め微細に粉砕するか、もしくは植物油やワニスを用いて予めコンパウンド化して添加する方法どちらでも構わない。 In the present invention, the amine used has a liquid / solid form. In the case of a solid, either a method of finely pulverizing in advance or a method of adding a compound in advance using vegetable oil or varnish may be used.
本願発明における植物油類とは植物油および植物油由来の化合物であり、グリセリンと脂肪酸とのトリグリセリドにおいて、少なくとも1つの脂肪酸が炭素−炭素不飽和結合を少なくとも1つ有する脂肪酸であるトリグリセリドと、それらのトリグリセリドから飽和または不飽和アルコールとをエステル反応させてなる脂肪酸モノエステル、あるいは植物油の脂肪酸とモノアルコールを直接エステル反応させた脂肪酸モノエステル、エーテル類が挙げられる。また、本願発明では必要に応じて油としてそれ以外の動植物油、合成油を併用しても良い。 The vegetable oils in the present invention are vegetable oils and compounds derived from vegetable oils. Among triglycerides of glycerin and fatty acids, at least one fatty acid is a fatty acid having at least one carbon-carbon unsaturated bond, and those triglycerides. Examples include fatty acid monoesters obtained by ester reaction with saturated or unsaturated alcohols, or fatty acid monoesters obtained by direct ester reaction between fatty acids of vegetable oil and monoalcohols, and ethers. Moreover, in this invention, you may use together other animal and vegetable oils and synthetic oil as oil as needed.
脂肪酸モノエステルは上記植物油とモノアルコールとをエステル交換したものや植物油の脂肪酸とモノアルコールを直接エステル反応させた脂肪酸モノエステルである。モノアルコールの代表的なものは、メタノール、エタノール、n−またはiso−プロパノール、n,secまたはtert−ブタノール、ヘプチノール、2−エチルヘキサノール、ヘキサノール、オクタノール、デカノール、ドデカノール等の飽和アルコール、オレイルアルコール、ドデセノール、フイセテリアルコール、ゾンマリルアルコール、ガドレイルアルコール、11−イコセノール、11−ドコセノール、15−テトラコセノール等の不飽和脂肪族系アルコールが挙げられる。 The fatty acid monoester is a fatty acid monoester obtained by transesterification of the above vegetable oil and monoalcohol or a direct ester reaction between the fatty acid of the vegetable oil and monoalcohol. Representative examples of monoalcohol include methanol, ethanol, n- or iso-propanol, n, sec or tert-butanol, heptynol, 2-ethylhexanol, hexanol, octanol, decanol, dodecanol and other saturated alcohols, oleyl alcohol, Examples thereof include unsaturated aliphatic alcohols such as dodecenol, ficesteryl alcohol, somaryl alcohol, gadrelyl alcohol, 11-icosenol, 11-docosenol, and 15-tetracosenol.
エーテル類として代表的なものは、ジ−n−オクチルエーテル、ジノニルエーテル、ジへプチルエーテル、ジヘキシルエーテル、ジデシルエーテル、ノニルへキシルエーテル、ノニルヘプチルエーテル、ノニルオクチルエーテル等が挙げられる。 Representative examples of ethers include di-n-octyl ether, dinonyl ether, diheptyl ether, dihexyl ether, didecyl ether, nonyl hexyl ether, nonyl heptyl ether, nonyl octyl ether and the like.
なお、一般的な植物油としては、大豆油、再生大豆油、菜種油、ヤシ油、オリーブ油、アサ実油、アマニ油、エノ油、オイチシカ油、オリーブ油、カカオ油、カポック油、カヤ油、カラシ油、キョウニン油、キリ油、ククイ油、クルミ油、ケシ油、ゴマ油、サフラワー油、ダイコン種油、大豆油、大風子油、ツバキ油、トウモロコシ油、ナタネ油、ニガー油、ヌカ油、パーム油、ヒマシ油、ヒマワリ油、ブドウ種子油、ヘントウ油、松種子油、綿実油、ヤシ油、落花生油、脱水ヒマシ油、ヤトロファ油等の植物油由来のものや、それらの熱重合油および酸素吹き込み重合油等を例示することができる。 In addition, as general vegetable oil, soybean oil, regenerated soybean oil, rapeseed oil, palm oil, olive oil, flaxseed oil, flaxseed oil, eno oil, jute oil, olive oil, cacao oil, kapok oil, kaya oil, mustard oil, Kyounin oil, Kiri oil, Kukui oil, Walnut oil, Poppy oil, Sesame oil, Safflower oil, Daikon seed oil, Soybean oil, Daifu oil, Camellia oil, Corn oil, Rapeseed oil, Niger oil, Nuka oil, Palm oil, Castor oil, sunflower oil, grape seed oil, gentian oil, pine seed oil, cottonseed oil, coconut oil, peanut oil, dehydrated castor oil, Jatropha oil, etc., their thermal polymerized oil and oxygen-blown polymerized oil, etc. Can be illustrated.
本願発明においてカーボンブラックは、公知のものが使用でき、化石資源由来カーボンブラックが挙げられ、その製造方法としては、チャンネル法、オイルファーネス法、ガスファーネス法、アセチレン法等が挙げられる。 In the present invention, a known carbon black can be used, and examples thereof include fossil resource-derived carbon black. Examples of the production method include a channel method, an oil furnace method, a gas furnace method, and an acetylene method.
カーボンブラックの特性として、粒子径、窒素吸着比表面積、着色力、DBP吸油量、揮発分、pH値、PVC黒度などの物理化学的性質が挙げられるが、一般的なカーボンブラックの特徴として、窒素吸着比表面積が大きく、つまり粒子径が小さく、また、DBP吸油量が小さいカーボンブラックほど、高濃度且つ高光沢のインキが得られるとされており、アート紙、コート紙などの塗工紙用のインキに用いられることが多い。逆に、粒子径が大きく、DBP吸油量が大きいカーボンは、表面平滑性の低い低級紙や新聞用紙において高い印刷濃度を再現できるが、アート紙、コート紙などの塗工紙などでは、光沢の劣化が著しい。 The characteristics of carbon black include physicochemical properties such as particle diameter, nitrogen adsorption specific surface area, coloring power, DBP oil absorption, volatile matter, pH value, PVC blackness, etc. Carbon black with a larger nitrogen adsorption specific surface area, that is, a smaller particle diameter and smaller DBP oil absorption, is said to provide a higher concentration and higher gloss ink. For coated paper such as art paper and coated paper Often used in inks. Conversely, carbon with a large particle size and large DBP oil absorption can reproduce a high printing density on low-quality paper and newsprint with low surface smoothness, but with coated paper such as art paper and coated paper, Deterioration is remarkable.
通常の平版印刷インキに使用するカーボンブラックとしては、窒素吸着比表面積が60m2/g以上、粒子径が約10〜100nm、DBP吸油量が150cm3/100g以下のカーボンを使用しているが、本願発明においてはこれらに限るものではない。 The carbon black used in the conventional lithographic printing ink, the nitrogen adsorption specific surface area of 60 m 2 / g or more, about 10~100nm particle size, although the DBP oil absorption is by using the following carbon 150 cm 3/100 g, The present invention is not limited to these.
また本願発明では、カーボンブラックと併用して、一般的な無機顔料、および補色のために有機顔料を使用することができる。無機顔料としては黄鉛、亜鉛黄、紺青、硫酸バリウム、カドミムレッド、酸化チタン、亜鉛華、弁柄、アルミナホワイト、炭酸カルシウム、群青、カーボンブラック、グラファイト、アルミニウム粉、などを示すことができる。有機顔料としては、アゾ系として、C系(βナフトール系)、2B系および6B系(βオキシナフトエ系)などの溶性アゾ顔料、βナフトール系、βオキシナフトエ酸アニリド系、モノアゾイエロー系、ジスアゾイエロー系、ピラゾロン系などの不溶性アゾ顔料、アセト酢酸アリリド系などの縮合アゾ顔料、フタロシアニン系として、銅フタロシアニン(αブルー、βブルー、εブルー)、塩素、臭素などのハロゲン化銅フタロシアン、金属フリーのフタロシアニン顔料、多環顔料としてペリレン系、ペリノン系、キナクリドン系、チオインジゴ系、ジオキサジン系、イソインドリノン系、キノフタロン系顔料を挙げることができる。これらの無機顔料、有機顔料の添加量は、印刷インキ組成物の全量に対して0.01〜10重量%である。 In the present invention, a general inorganic pigment and an organic pigment for complementary color can be used in combination with carbon black. Examples of inorganic pigments include yellow lead, zinc yellow, bitumen, barium sulfate, cadmium red, titanium oxide, zinc white, dial, alumina white, calcium carbonate, ultramarine, carbon black, graphite, and aluminum powder. Organic pigments include azo pigments, soluble azo pigments such as C-based (β-naphthol-based), 2B-based and 6B-based (β-oxynaphthoic), β-naphthol-based, β-oxynaphthoic acid anilide-based, monoazo yellow-based, disazo Insoluble azo pigments such as yellow and pyrazolone, condensed azo pigments such as acetoacetate allylide, phthalocyanines, copper phthalocyanines (α blue, β blue, ε blue), copper halide phthalocyanines such as chlorine and bromine, metals Examples of free phthalocyanine pigments and polycyclic pigments include perylene, perinone, quinacridone, thioindigo, dioxazine, isoindolinone, and quinophthalone pigments. The addition amount of these inorganic pigments and organic pigments is 0.01 to 10% by weight with respect to the total amount of the printing ink composition.
本願発明においては必要に応じて石油系溶剤も用いることができ、芳香族炭化水素の含有率が1重量%以下で、アニリン点が60〜130℃、沸点が230〜400℃の石油系溶剤であり、好ましくはアニリン点が80〜100℃、沸点が240〜310℃である。平版印刷インキ全量中、石油系溶剤を0〜30重量%含有するのが好ましく、5〜15重量%含有するのがさらに好ましい。石油系溶剤のアニリン点が60〜130℃の場合には、樹脂を溶解させる能力が好適であり、インキのセット性、光沢、着肉等の点で好ましい。このような非芳香族系石油溶剤としては、JX日鉱日石エネルギー株式会社製AFソルベント4号、AFソルベント5号、AFソルベント6号、AFソルベント7号等がある。 In the present invention, a petroleum-based solvent can be used if necessary, and is a petroleum-based solvent having an aromatic hydrocarbon content of 1% by weight or less, an aniline point of 60 to 130 ° C., and a boiling point of 230 to 400 ° C. Preferably, the aniline point is 80 to 100 ° C and the boiling point is 240 to 310 ° C. The total amount of the lithographic printing ink preferably contains 0-30% by weight of a petroleum solvent, more preferably 5-15% by weight. When the aniline point of the petroleum solvent is 60 to 130 ° C., the ability to dissolve the resin is suitable, and it is preferable in terms of ink setting properties, glossiness, and inking. Examples of such non-aromatic petroleum solvents include AF Solvent No. 4, AF Solvent No. 5, AF Solvent No. 6, and AF Solvent No. 7 manufactured by JX Nippon Oil & Energy Corporation.
本願発明においては必要に応じてワックスを使用することが出来る。
ワックスは、天然ワックスおよび合成ワックスに分類され、天然ワックスとしては、植物系ワックス、動物系ワックス、鉱物系ワックス、石油ワックスに分類される。本願発明の石油ワックスは、石油ワックスに分類されるパラフィンワックスおよびマイクロクリスタリンワックスが挙げられる。本願発明の溶融型の石油ワックスの製造工程の一例は、原油を原料として、常圧蒸留、減圧蒸留、溶剤精製、水素化精製、脱ろう、脱油を行った後、水素化精製または白土処理工程を経て得られるが、この限りではない。一方、粉砕型の石油ワックスは、いったんワックスを適度な大きさで製造し、それを所望通りに、粉砕を行うものである。
In the present invention, a wax can be used as necessary.
Waxes are classified into natural waxes and synthetic waxes, and natural waxes are classified into vegetable waxes, animal waxes, mineral waxes, and petroleum waxes. The petroleum wax of the present invention includes paraffin wax and microcrystalline wax classified as petroleum wax. An example of the production process of the melt type petroleum wax of the present invention is as follows: crude oil as a raw material, atmospheric distillation, vacuum distillation, solvent refining, hydrorefining, dewaxing, deoiling, hydrotreating or clay treatment Although it is obtained through the process, it is not limited to this. On the other hand, a pulverized petroleum wax is one in which a wax is once manufactured in an appropriate size and pulverized as desired.
また、合成ワックスは、合成炭化水素、変性ワックス、水素化ワックスに分けられ、本願発明で好ましく使用されるものとしてポリエチレンワックスが挙げられ、ポエチレンワックスは、フィッシャートロップスワックスと共に合成炭化水素に分類される。 Synthetic waxes are classified into synthetic hydrocarbons, modified waxes, and hydrogenated waxes. Examples of the waxes that are preferably used in the present invention include polyethylene waxes. Polyethylene waxes are classified as synthetic hydrocarbons together with Fischer-Trops waxes. Is done.
また、オフセット印刷インキ組成物中への、その他添加剤として、耐摩擦、ブロッキング防止、スベリ、スリキズ防止を目的とする各種添加剤を使用することができるが、パイリングを誘発する懸念があるため、全インキ組成物全量中の6重量%未満であることが望ましい。 In addition, as an additive in the offset printing ink composition, various additives for the purpose of anti-friction, anti-blocking, slip, and scratch can be used. It is desirable that it is less than 6% by weight based on the total amount of the total ink composition.
本願発明の印刷インキ組成物を製造するには、従来公知の方法で実施する事が出来る。一例としてバインダー樹脂、石油系溶剤、植物油類、必要に応じてゲル化剤を加えて、190℃1時間のクッキング条件でワニスを製造する。次いで、例えば、前記のワニスに顔料、石油系溶剤、植物油類、顔料分散剤または顔料分散樹脂を加え、ビーズミルや3本ロール等で分散する事により印刷インキ用ベースを得る事が出来る。次いで、石油系溶剤、植物油類、その他の添加剤を加え、所定粘度に調整し印刷インキ組成物を得る事が出来る。インキの種類としては、オフセット輪転印刷機用インキ、新聞印刷機用インキ、枚葉印刷機用インキが主なものであるが、これに限定されるものではない。 The printing ink composition of the present invention can be produced by a conventionally known method. As an example, a binder resin, petroleum-based solvent, vegetable oil, and a gelling agent as necessary are added, and varnish is produced under cooking conditions of 190 ° C. for 1 hour. Next, for example, a base for printing ink can be obtained by adding a pigment, petroleum solvent, vegetable oil, pigment dispersant or pigment dispersion resin to the varnish and dispersing with a bead mill or three rolls. Subsequently, petroleum-based solvents, vegetable oils, and other additives are added to adjust to a predetermined viscosity to obtain a printing ink composition. The main types of ink include, but are not limited to, ink for offset rotary printing presses, ink for newspaper printing presses, and ink for sheet-fed printing presses.
本願発明の印刷インキ組成物の組成の一例としては、
・顔料5〜30重量%
・アミン0.01〜0.5重量%
・バインダー樹脂18〜40重量%
・植物油類7〜30重量%
・石油系溶剤0〜45重量%
・ワックス0.1〜6重量%
・重合植物油1〜10%
・その他添加剤1〜5重量%
などが好ましい組成として挙げられる。
本願発明に使用される基材としては塗工紙、微塗工紙、非塗工紙、更紙が印刷用紙として挙げられる。
As an example of the composition of the printing ink composition of the present invention,
・ Pigment 5-30% by weight
・ Amine 0.01-0.5 wt%
-Binder resin 18-40% by weight
・ 7-30% by weight of vegetable oil
・ Petroleum solvent 0-45% by weight
・ Wax 0.1-6% by weight
・ Polymerized vegetable oil 1-10%
・ 1-5% by weight of other additives
Etc. are mentioned as preferred compositions.
Examples of the substrate used in the present invention include coated paper, finely coated paper, non-coated paper, and reprinted paper as printing paper.
以下に、実施例により本願発明をさらに詳細に説明するが、以下の実施例は本願発明の権利範囲を何ら制限するものではない。なお、本願発明において、特に断らない限り、「部」は、「重量部」を表し、「%」は「重量%」を表す。 Hereinafter, the present invention will be described in more detail by way of examples. However, the following examples do not limit the scope of rights of the present invention in any way. In the present invention, “parts” represents “parts by weight” and “%” represents “% by weight” unless otherwise specified.
本願発明において、重量平均分子量は、東ソー(株)製ゲルパーミネイションクロマトグラフィ(HLC−8020)で測定した。検量線は標準ポリスチレンサンプルにより作成した。溶離液はテトラヒドロフランを、カラムにはTSKgelSuperHM−M(東ソー(株)製)3本を用いた。測定は流速0.6ml/分、注入量10μl、カラム温度40℃で行った。さらに、本願発明において、特に断らない限り、「分子量」とは、重量平均分子量を示す。 In the present invention, the weight average molecular weight was measured by gel permeation chromatography (HLC-8020) manufactured by Tosoh Corporation. A calibration curve was prepared with a standard polystyrene sample. Tetrahydrofuran was used as the eluent, and three TSKgelSuperHM-M (manufactured by Tosoh Corporation) were used as the column. The measurement was performed at a flow rate of 0.6 ml / min, an injection volume of 10 μl, and a column temperature of 40 ° C. Furthermore, in the present invention, unless otherwise specified, “molecular weight” indicates a weight average molecular weight.
本願発明においてそれぞれの粘度は25℃でLA型粘度計(日本レオロジー機器株式会社製)を用いて測定した。 In the present invention, each viscosity was measured at 25 ° C. using an LA type viscometer (manufactured by Nippon Rheology Equipment Co., Ltd.).
(ロジン変性フェノール樹脂製造例)
反応容器中でガムロジン1500部に、予めキシレン溶媒中でターシャリーブチルフェノール600部と92重量%のパラホルムアルデヒド210部を水酸化ナトリウム触媒下、100℃で4時間反応させ、水分除去したフェノール樹脂を150℃で滴下し2時間反応させた。さらに、ペンタエリスリトール160部を添加し、触媒として酸化カルシウム1.5部を使用して250℃で12時間反応させた。反応の過程で順次取り出す事により、ロジン変性フェノール樹脂a(重量平均分子量70000)を得た。
(Rosin modified phenolic resin production example)
In a reaction vessel, 1500 parts of gum rosin was previously reacted with 600 parts of tertiary butylphenol and 210 parts of 92% by weight paraformaldehyde in a xylene solvent at 100 ° C. for 4 hours under a sodium hydroxide catalyst, and 150 wt. The solution was dropped at 0 ° C. and reacted for 2 hours. Furthermore, 160 parts of pentaerythritol was added and reacted at 250 ° C. for 12 hours using 1.5 parts of calcium oxide as a catalyst. By sequentially taking out in the course of the reaction, rosin-modified phenol resin a (weight average molecular weight 70000) was obtained.
(ヒートセット型オフセット印刷インキ用ゲルワニスの製造)
撹拌機、リービッヒ冷却管、温度計付4つ口フラスコに樹脂a(重量平均分子量70000)44重量部、大豆油35重量部、AFソルベント7号(JX日鉱日石エネルギー株式会社製)20重量部を仕込み、190℃に昇温、同温で30分間攪拌した後、放冷し、ゲル化剤としてエチルアセトアセテートアルミニウムジイソプロポキシド1重量部(川研ファインケミカル株式会社製ALCH、以下ALCHと称す)を仕込み、190℃で30分間攪拌してオフセット印刷インキ用ゲルワニス(以下ゲルワニスと称す)を得た。
(Manufacture of gel varnish for heat-set offset printing ink)
A stirrer, Liebig condenser, 4 parts flask with thermometer, 44 parts by weight of resin a (weight average molecular weight 70000), 35 parts by weight of soybean oil, 20 parts by weight of AF Solvent No. 7 (manufactured by JX Nippon Oil & Energy Corporation) The mixture was heated to 190 ° C., stirred at the same temperature for 30 minutes, allowed to cool, and 1 part by weight of ethyl acetoacetate aluminum diisopropoxide as gelling agent (ALCH from Kawaken Fine Chemical Co., Ltd., hereinafter referred to as ALCH) ) And stirred at 190 ° C. for 30 minutes to obtain a gel varnish for offset printing ink (hereinafter referred to as gel varnish).
本発明において用いたアミンは以下の通りである。
○1級アミン
・ヘキシルアミン(東京化成工業株式会社)
・ドデシルアミン(東京化成工業株式会社)
・ヘキサデシルアミン(東京化成工業株式会社)
・ベヘニルアミン(ニッサンアミンVB、日油株式会社)
○2級アミン
・ジオクチルアミン(東京化成工業株式会社)
・ジデシルアミン(シグマアルドリッチ)
○3級アミン
・ジメチルヘキシルアミン(シグマアルドリッチ)
・ジメチルオクチルアミン(シグマアルドリッチ)
・ジデシルメチルアミン(東京化成工業株式会社)
・ジオクタデシルメチルアミン(シグマアルドリッチ)
・トリオクチルアミン(東京化成工業株式会社)
○ジアミン
・N−牛脂アルキル−1,3−ジアミノプロパン(デュオミンT、ライオン株式会社)
常温で固体のヘキサデシルアミン、ベヘニルアミン、ジデシルアミン、ジオクタデシルアミンは下記の方法でコンパウンド化した。
The amine used in the present invention is as follows.
○ Primary amine, hexylamine (Tokyo Chemical Industry Co., Ltd.)
・ Dodecylamine (Tokyo Chemical Industry Co., Ltd.)
・ Hexadecylamine (Tokyo Chemical Industry Co., Ltd.)
・ Behenylamine (Nissanamine VB, NOF Corporation)
○ Secondary amine dioctylamine (Tokyo Chemical Industry Co., Ltd.)
・ Didecylamine (Sigma Aldrich)
○ Tertiary amine, dimethylhexylamine (Sigma-Aldrich)
・ Dimethyloctylamine (Sigma Aldrich)
・ Didecylmethylamine (Tokyo Chemical Industry Co., Ltd.)
・ Dioctadecylmethylamine (Sigma Aldrich)
・ Trioctylamine (Tokyo Chemical Industry Co., Ltd.)
○ Diamine, N-tallow alkyl-1,3-diaminopropane (Duomine T, Lion Corporation)
Hexadecylamine, behenylamine, didecylamine and dioctadecylamine, which are solid at room temperature, were compounded by the following method.
(アミンコンパウンドの作成例)
撹拌機、リービッヒ冷却管、温度計付4つ口フラスコに購入したヘキサデシルアミン100重量部、再生大豆油(ヨウ素価117)を200重量部仕込み、100℃に昇温、同温で10分間攪拌した後、攪拌しながら自然冷却を行い、アミンコンパウンドAを得た。その他、ベヘニルアミン、ジデシルアミン、ジオクタデシルアミンについても同様にアミンコンパウンドB、C、Dを得た。
(Example of creating amine compound)
Stirrer, Liebig condenser, 4 parts flask with thermometer, 100 parts by weight of purchased hexadecylamine and 200 parts by weight of regenerated soybean oil (iodine value 117) were charged, heated to 100 ° C, and stirred at the same temperature for 10 minutes Then, natural cooling was performed with stirring to obtain amine compound A. In addition, amine compounds B, C, and D were similarly obtained for behenylamine, didecylamine, and dioctadecylamine.
(ヒートセット型オフセット印刷インキ組成物実施例1)
カーボンブラック(三菱化学株式会社製、DBP吸油量72ml/100g、BET比表面積99m2/g) を20重量部、ゲルワニス1を73重量部、石油系溶剤(AFソルベント7号(JX日鉱日石エネルギー株式会社 製))6.7重量部、ドデシルアミン(東京化成工業株式会社)を0.1重量部、再生大豆油(ヨウ素価117)を0.2重量部仕込み、常法に従い三本ロールを用いてヒートセット型オフセット印刷インキ組成物の実施例1を得た。
(Heat set type offset printing ink composition Example 1)
Carbon black (Mitsubishi Chemical Corporation, DBP oil absorption 72 ml / 100 g, BET specific surface area 99 m 2 / g) 20 parts by weight, gel varnish 1 73 parts by weight, petroleum solvent (AF Solvent 7 (JX Nippon Oil & Energy) 6.7 parts by weight, 0.1 parts by weight of dodecylamine (Tokyo Kasei Kogyo Co., Ltd.), 0.2 parts by weight of regenerated soybean oil (iodine value 117), and heat set offset using three rolls according to a conventional method Example 1 of the printing ink composition was obtained.
さらに、表1の組成に基づいて、常法に従い三本ロールを用いてヒートセットオフセット印刷インキ組成物の実施例1〜33並びに比較例1〜4を得た。 Furthermore, based on the composition of Table 1, Examples 1-33 and Comparative Examples 1-4 of the heat set offset printing ink composition were obtained using a three roll according to the conventional method.
(性能評価試験(1)後胴残り適性試験)
後胴残り適性試験は、ヒートセット型オフセット印刷機としてLITHOPIABT2−800NEO(三菱重工株式会社)にて、FMの網点チャート(20ミクロン)、ベタチャートを含む絵柄、一般的な濃度にて以下の印刷条件にて実施し、先刷りインキの黄のブランケットへの付着の程度を、以下の評価基準に基いて5段階の相対評価を実施した。
用紙:パールコートN(765×1100, 〈66.5〉, 三菱製紙株式会社)
(測色値:L*:97.43、a*:0.07、b*:-2.14)
印刷速度:600rpm
ドライヤー通過後紙面温度:105℃
版:CTP版(富士フィルム(株))
印刷部数:2万部
湿し水:アクワユニティWKK20KGGN(東洋インキ株式会社)
(Performance evaluation test (1) Rear trunk aptitude test)
The rear cylinder remaining suitability test was conducted by using LITHO PIABT2-800NEO (Mitsubishi Heavy Industries, Ltd.) as a heat-set type offset printing machine, with FM halftone chart (20 microns), a pattern including a solid chart, and the following general concentrations: The printing was performed under the printing conditions, and the degree of adhesion of the preprinted ink to the yellow blanket was subjected to a five-step relative evaluation based on the following evaluation criteria.
Paper: Pearl Court N (765 × 1100, <66.5>, Mitsubishi Paper Industries)
(Colorimetric value: L * : 97.43, a * : 0.07, b * : -2.14)
Printing speed: 600rpm
Paper surface temperature after passing through the dryer: 105 ° C
Version: CTP version (Fuji Film Co., Ltd.)
Number of printed copies: 20,000 copies Dampening solution: AQUAUNITY WKK20KGGN (Toyo Ink Co., Ltd.)
1:黄胴への墨インキの固着が極めて多い
2:黄胴への墨インキの固着が多い
3:黄胴への墨インキの固着が通常程度である(実用範囲である)
4:黄胴への墨インキの固着があまりない
5:黄胴への墨インキの固着が極めて少ない
「3」以上が実用レベルである。
1: Black ink sticks to the yellow drum very much 2: Black ink sticks to the yellow drum much 3: Black ink sticks to the yellow drum is normal (practical range)
4: There is not much sticking of black ink to the yellow drum. 5: “3” or more which has very little sticking of black ink to the yellow drum is a practical level.
(性能評価試験(2)汚れの回復)
紙面の汚れが完全にとれる水ダイヤルが比較例1に対して+10ポイント以内が実用範囲内である。+10ポイント以上の場合、水上がり量が多く、乾燥性などへも支障をきたすレベルとなる。
(Performance evaluation test (2) Dirt recovery)
The water dial that can completely remove the stain on the paper is within the practical range within +10 points with respect to Comparative Example 1. In the case of +10 points or more, the amount of water rising is large, and it becomes a level that hinders dryness.
表1に示すインキの組成で、後胴残り適性試験と、汚れの回復する水ダイヤル値を評価した結果を表1に示す。 Table 1 shows the result of evaluating the back cylinder suitability test and the water dial value for recovering the stain with the ink composition shown in Table 1.
実施例1〜33は後胴残り、汚れの回復ともに良好である。汚れの回復ポイントはアミンの炭素数の減少、または添加量の増加によって増加する傾向にある。一方で、比較例2〜4は、後胴残りはアミン未添加の比較例1に対して良好であるが、炭素数が極端に少ないため、水との親和性が増し、汚れの回復が+11ポイント以上となった。 In Examples 1 to 33, the back trunk remaining and the recovery of dirt are good. The soil recovery point tends to increase with a decrease in the carbon number of the amine or an increase in the amount added. On the other hand, in Comparative Examples 2 to 4, the back trunk remainder is good with respect to Comparative Example 1 in which no amine is added, but because the carbon number is extremely small, the affinity with water is increased, and the recovery of dirt is + 11 points or more.
表1に示すインキの組成で、後胴残り適性試験と、汚れの回復する水ダイヤル値を評価した結果を表1に示す。なお、本願明細書において実施例1〜3、10、11、16、17、22、23、28〜31は、参考例である。 Table 1 shows the result of evaluating the back cylinder suitability test and the water dial value for recovering the stain with the ink composition shown in Table 1. In the present specification, Examples 1 to 3, 10, 11, 16, 17, 22, 23, and 28 to 31 are reference examples.
Claims (3)
前記アミンは、少なくとも一つの炭素数8〜22の炭化水素基を有し、かつ、合計12以上の炭素原子を有するアミンである平版印刷インキ組成物。 A lithographic printing ink composition comprising carbon black, amine, binder resin, vegetable oil,
The lithographic printing ink composition, wherein the amine is an amine having at least one hydrocarbon group having 8 to 22 carbon atoms and a total of 12 or more carbon atoms.
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