CN113400829A - Alcohol-free fountain solution and preparation method thereof - Google Patents
Alcohol-free fountain solution and preparation method thereof Download PDFInfo
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- CN113400829A CN113400829A CN202110674820.9A CN202110674820A CN113400829A CN 113400829 A CN113400829 A CN 113400829A CN 202110674820 A CN202110674820 A CN 202110674820A CN 113400829 A CN113400829 A CN 113400829A
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- propylene glycol
- alcohol
- fountain solution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N3/00—Preparing for use and conserving printing surfaces
- B41N3/08—Damping; Neutralising or similar differentiation treatments for lithographic printing formes; Gumming or finishing solutions, fountain solutions, correction or deletion fluids, or on-press development
Abstract
The invention discloses alcohol-free fountain solution which is prepared from the following raw materials in parts by weight: 10-15 parts of water, 0.05-0.15 part of aspartic acid, 0.05-0.1 part of hydroxypropyl methyl cellulose, 0.1-0.2 part of EDTA disodium, 1-0.5 part of citric acid, 0.1-0.3 part of sodium citrate, 1-2 parts of sodium nitrate, 0.5-1 part of sodium xylene sulfonate, 40-41 parts of glycerol, 20-25 parts of ethylene glycol butyl ether, 10-15 parts of propylene glycol methyl ether, 10-5 parts of propylene glycol butyl ether, 0.01-0.05 part of phosphoric acid, 0.1-0.2 part of 028 defoamer and 0.02-0.1 part of TL-J65 wetting agent.
Description
Technical Field
The invention relates to the technical field of offset printing, in particular to alcohol-free fountain solution and a manufacturing method thereof.
Background
Offset printing is characterized by that it utilizes two natural laws of that oil-water is not miscible and solid can be selectively adsorbed on the liquid, and the copied picture and text and blank portion can be commonly built on the surface of the uniformly-processed printing plate, so that the blank portion possesses strong water-absorbing property, and the picture and text portion is oleophilic and water-repellent. In the printing process, water is firstly supplied to the whole printing plate, so that the blank part of the plate surface absorbs the water to form a layer of water film, and then ink is supplied to the printing plate. At the moment, because a layer of water film exists in the blank part of the printing plate, the printing ink cannot be adsorbed in the blank part, and the image-text part is hydrophobic and oleophilic and adsorbs a layer of printing ink. Therefore, the role of fountain solutions in offset printing cannot be neglected.
Fountain solutions can be divided into the following according to different formulas: common fountain solution, alcohol fountain solution and nonionic surfactant fountain solution.
The common fountain solution consists of clear water, inorganic acid (weak acid), inorganic acid salt electrolyte, hydrophilic colloid and other substances. With the continuous improvement of printing technology, common fountain solution is not suitable for printing requirements and tends to be eliminated.
An alcohol fountain solution is a fountain solution that is commonly used. At present, alcohol fountain solution is generally adopted on offset printing machines, and isopropanol is one of additives of the fountain solution. Compared with the traditional water dampening system, the alcohol is added into the dampening solution, so that the surface tension of the dampening solution can be effectively reduced, the dampening speed is increased, the film forming condition of the dampening solution on a printing plate is improved, the using amount of the dampening solution is greatly reduced, the quality of printed products can be improved, and meanwhile, the paper deformation and the excessive emulsification of printing ink caused by excessive water are also avoided. However, the alcohol fountain solution has many problems, mainly, the use of alcohol in the alcohol fountain solution not only increases the emission of Volatile Organic Compounds (VOC), but also has the potential safety hazard of flammability and explosiveness, and simultaneously, because the alcohol volatilizes quickly, the wetting property is poor, the fountain capability is insufficient, the non-image-text part is easy to dry, and the ink is easy to emulsify after being used, which can cause adverse effect on the drying of the ink. Therefore, alcohol fountain solution is not suitable for green printing trend, however, since isopropanol is volatile, the concentration of alcohol in the fountain solution is easy to be unstable, alcohol vapor generated after volatilization is toxic, environment can be polluted, and harm can be caused to human health. In addition, isopropyl alcohol is a photochemical oxidant, and like other trace gases existing near the ground, ozone is formed by sunlight, thereby causing a so-called summer smog phenomenon, and photochemical smog also stimulates human eyes and respiratory systems, so that it is imperative to reduce the amount thereof in printing.
The non-ionic surfactant fountain solution is a novel fountain solution developed in recent years, and is a low surface tension fountain solution with alcohol replaced by the non-ionic surfactant. Because of low surface tension and good wetting property, the consumption of the dampening solution can be reduced, and the dampening solution becomes an ideal dampening solution in a high-speed multicolor offset press. Therefore, the research on the novel nonionic fountain solution has important significance for improving the printing quality.
Therefore, it is desirable to have an alcohol-free fountain solution and a manufacturing method thereof which can solve the problems in the prior art.
Disclosure of Invention
The invention discloses alcohol-free fountain solution which is prepared from the following raw materials in parts by weight: 10-15 parts of water, 0.05-0.15 part of aspartic acid, 0.05-0.1 part of hydroxypropyl methyl cellulose, 0.1-0.2 part of EDTA disodium, 1-0.5 part of citric acid, 0.1-0.3 part of sodium citrate, 1-2 parts of sodium nitrate, 0.5-1 part of sodium xylene sulfonate, 40-41 parts of glycerol, 20-25 parts of ethylene glycol butyl ether, 10-15 parts of propylene glycol methyl ether, 10-5 parts of propylene glycol butyl ether, 0.01-0.05 part of phosphoric acid, 0.1-0.2 part of 028 defoamer and 0.02-0.1 part of TL-J65 wetting agent.
The invention also discloses a preparation method of the alcohol-free fountain solution, which comprises the following steps:
(1) heating and stirring metered water by using an electric heating tube of a small reaction kettle, then adding aspartic acid, and stirring for 1 hour at the constant temperature of 80 ℃;
(2) adding a metered amount of hydroxypropyl methyl cellulose into the liquid in the step (1), and continuously stirring for 1 hour at the constant temperature of 80 ℃;
(3) sequentially adding metered EDTA disodium, citric acid, sodium citrate and sodium nitrate into the liquid obtained in the step (2), stirring for 1 hour at the constant temperature of 80 ℃, stopping stirring, and standing for 1 hour at the constant temperature of 80 ℃;
(4) after the steps are completed, opening an outlet valve of the small reaction kettle until the valve is closed before water is added next time;
(5) adding metered glycerol, ethylene glycol butyl ether, propylene glycol methyl ether, propylene glycol butyl ether and phosphoric acid materials into a large reaction tank, and stirring and mixing at normal temperature;
(6) adding the prefabricated material flowing out of the outlet valve of the small reaction kettle into the large reaction tank while stirring, and stirring for 5 minutes at normal temperature;
(7) two materials, namely 028 antifoaming agent and TL-J65 wetting agent, are added into a large reaction tank, stirred for 1 hour at normal temperature and then discharged, and then the mixture is pumped to a packaging tank.
The invention provides alcohol-free fountain solution and a preparation method thereof, wherein glycol butyl ether, propylene glycol methyl ether and propylene glycol butyl ether are used for replacing alcohol, thereby reducing VOC (volatile organic compounds) emission, having no risks of flammability, explosiveness and the like, and ensuring that the fountain solution has good wetting property and permeability.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one embodiment, the alcohol-free fountain solution is prepared from the following raw materials in parts by weight: 10 parts of water, 0.1 part of aspartic acid, 0.06 part of hydroxypropyl methyl cellulose, 0.15 part of EDTA disodium, 0.527 part of citric acid, 0.256 part of sodium citrate, 1.694 part of sodium nitrate, 0.9 part of sodium xylene sulfonate, 41 parts of glycerol, 24.2 parts of ethylene glycol monobutyl ether, 12.75 parts of propylene glycol methyl ether, 7.5 parts of propylene glycol monobutyl ether, 0.02 part of phosphoric acid, 0.15 part of 028 antifoaming agent and 0.08 part of TL-J65 wetting agent.
In another embodiment, the alcohol-free fountain solution is prepared from the following raw materials in parts by weight: 13.3 parts of water, 0.1 part of aspartic acid, 0.06 part of hydroxypropyl methyl cellulose, 0.15 part of EDTA disodium, 0.527 part of citric acid, 0.256 part of sodium citrate, 1.694 part of sodium nitrate, 0.9 part of sodium xylene sulfonate, 40.5 parts of glycerol, 22.2 parts of ethylene glycol butyl ether, 12.75 parts of propylene glycol methyl ether, 7.5 parts of propylene glycol butyl ether, 0.02 part of phosphoric acid, 0.15 part of 028 antifoaming agent and 0.08 part of TL-J65 wetting agent.
In another embodiment, the alcohol-free fountain solution is prepared from the following raw materials in parts by weight: 15 parts of water, 0.1 part of aspartic acid, 0.06 part of hydroxypropyl methyl cellulose, 0.15 part of EDTA disodium, 0.527 part of citric acid, 0.256 part of sodium citrate, 1.694 part of sodium nitrate, 0.9 part of sodium xylene sulfonate, 40 parts of glycerol, 21.5 parts of ethylene glycol butyl ether, 12.75 parts of propylene glycol methyl ether, 7.5 parts of propylene glycol butyl ether, 0.02 part of phosphoric acid, 0.15 part of 028 antifoaming agent and 0.08 part of TL-J65 wetting agent.
The manufacturing method of the alcohol-free fountain solution comprises the following steps:
(1) heating and stirring metered water by using an electric heating tube of a small reaction kettle, then adding 0.1 part of aspartic acid, and stirring for 1 hour at the constant temperature of 80 ℃;
(2) adding 0.06 part of metered hydroxypropyl methyl cellulose into the liquid in the step (1), and continuously and fully stirring for 1 hour at the constant temperature of 80 ℃;
(3) adding 0.15 part of EDTA disodium, 0.527 part of citric acid, 0.256 part of sodium citrate and 1.694 part of sodium nitrate into the liquid obtained in the step (2) in sequence, fully stirring for 1 hour at the constant temperature of 80 ℃, then stopping stirring, and standing for 1 hour at the constant temperature of 80 ℃;
(4) after the steps are completed, opening an outlet valve of the small reaction kettle until the valve is closed before water is added next time;
(5) adding 40.5 parts of metered glycerol, 22.2 parts of ethylene glycol butyl ether, 12.75 parts of propylene glycol methyl ether, 7.5 parts of propylene glycol butyl ether and 0.02 part of phosphoric acid into a large reaction tank, and stirring and mixing at normal temperature;
(6) adding the prefabricated material flowing out of the outlet valve of the small reaction kettle into the large reaction tank while stirring, and stirring for 5 minutes at normal temperature;
(7) 0.15 part of 028 antifoaming agent and 0.08 part of TL-J65 wetting agent are added into a large reaction tank, stirred for 1 hour at normal temperature and then discharged, and then the mixture is pumped to a packaging tank.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (2)
1. The alcohol-free fountain solution is characterized by being prepared from the following raw materials in parts by weight: 10-15 parts of water, 0.05-0.15 part of aspartic acid, 0.05-0.1 part of hydroxypropyl methyl cellulose, 0.1-0.2 part of EDTA disodium, 1-0.5 part of citric acid, 0.1-0.3 part of sodium citrate, 1-2 parts of sodium nitrate, 0.5-1 part of sodium xylene sulfonate, 40-41 parts of glycerol, 20-25 parts of ethylene glycol butyl ether, 10-15 parts of propylene glycol methyl ether, 10-5 parts of propylene glycol butyl ether, 0.01-0.05 part of phosphoric acid, 0.1-0.2 part of 028 defoamer and 0.02-0.1 part of TL-J65 wetting agent.
2. A method of making the alcohol-free fountain solution of claim 1, wherein: the manufacturing method comprises the following steps:
(1) heating and stirring metered water by using an electric heating tube of a small reaction kettle, then adding aspartic acid, and stirring for 1 hour at the constant temperature of 80 ℃;
(2) adding a metered amount of hydroxypropyl methyl cellulose into the liquid in the step (1), and continuously and fully stirring for 1 hour at the constant temperature of 80 ℃;
(3) adding measured EDTA disodium, citric acid, sodium citrate and sodium nitrate into the liquid obtained in the step (2), fully stirring for 1 hour at the constant temperature of 80 ℃, stopping stirring, and standing for 1 hour at the constant temperature of 80 ℃;
(4) after the steps are completed, opening an outlet valve of the small reaction kettle until the valve is closed before water is added next time;
(5) adding metered glycerol, ethylene glycol butyl ether, propylene glycol methyl ether, propylene glycol butyl ether and phosphoric acid materials into a large reaction tank, and stirring and mixing at normal temperature;
(6) adding the prefabricated material flowing out of the outlet valve of the small reaction kettle into the large reaction tank while stirring, and stirring for 5 minutes at normal temperature;
(7) two materials, namely 028 antifoaming agent and TL-J65 wetting agent, are added into a large reaction tank, stirred for 1 hour at normal temperature and then discharged, and then the mixture is pumped to a packaging tank.
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CN202110674820.9A CN113400829A (en) | 2021-06-18 | 2021-06-18 | Alcohol-free fountain solution and preparation method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114889351A (en) * | 2022-03-07 | 2022-08-12 | 浙江创思杰印务有限公司 | High-performance fountain solution and preparation method thereof |
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US6187081B1 (en) * | 1999-03-08 | 2001-02-13 | Allied Pressroom Chemistry | Non-aqueous fountain solution composition |
CN101185029A (en) * | 2005-05-26 | 2008-05-21 | 伊斯曼柯达公司 | On-press developable imageable element comprising tetraarylborate salt |
CN103935150A (en) * | 2014-05-12 | 2014-07-23 | 苏州禾川化学技术服务有限公司 | Alcohol-free fountain solution with high viscosity and low surface tension |
CN107215118A (en) * | 2017-06-28 | 2017-09-29 | 常州文诺纺织品有限公司 | A kind of alcohol-free fountain solution and preparation method thereof |
CN107512099A (en) * | 2017-08-15 | 2017-12-26 | 北京宏阳恒宇印刷器材有限公司 | Exempt from alcohol edition-0 moistening liquid and preparation method and application |
CN109177566A (en) * | 2018-09-17 | 2019-01-11 | 苏州市万丽珑新材料科技有限公司 | One kind exempting from alcohol fountain solution and preparation method thereof |
CN109484053A (en) * | 2018-12-29 | 2019-03-19 | 广州市佐腾印刷材料有限公司 | A kind of green exempts from alcohol edition-0 moistening liquid |
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2021
- 2021-06-18 CN CN202110674820.9A patent/CN113400829A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US6187081B1 (en) * | 1999-03-08 | 2001-02-13 | Allied Pressroom Chemistry | Non-aqueous fountain solution composition |
CN101185029A (en) * | 2005-05-26 | 2008-05-21 | 伊斯曼柯达公司 | On-press developable imageable element comprising tetraarylborate salt |
CN103935150A (en) * | 2014-05-12 | 2014-07-23 | 苏州禾川化学技术服务有限公司 | Alcohol-free fountain solution with high viscosity and low surface tension |
CN107215118A (en) * | 2017-06-28 | 2017-09-29 | 常州文诺纺织品有限公司 | A kind of alcohol-free fountain solution and preparation method thereof |
CN107512099A (en) * | 2017-08-15 | 2017-12-26 | 北京宏阳恒宇印刷器材有限公司 | Exempt from alcohol edition-0 moistening liquid and preparation method and application |
CN109177566A (en) * | 2018-09-17 | 2019-01-11 | 苏州市万丽珑新材料科技有限公司 | One kind exempting from alcohol fountain solution and preparation method thereof |
CN109484053A (en) * | 2018-12-29 | 2019-03-19 | 广州市佐腾印刷材料有限公司 | A kind of green exempts from alcohol edition-0 moistening liquid |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114889351A (en) * | 2022-03-07 | 2022-08-12 | 浙江创思杰印务有限公司 | High-performance fountain solution and preparation method thereof |
CN114889351B (en) * | 2022-03-07 | 2023-10-31 | 浙江创思杰印务有限公司 | High-performance fountain solution and preparation method thereof |
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Effective date of registration: 20220805 Address after: Linxi Village, Dajing Town, Yueqing City, Wenzhou City, Zhejiang Province 325615 Applicant after: Yueqing Sezhibao Printing Material Factory Address before: Room 1908, South Block, Lingjun World Building, No. 10, Chaowang Road, Xiacheng District, Hangzhou, Zhejiang 314000 Applicant before: Hongshanshu (Hangzhou) Printing Technology Co.,Ltd. |
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Application publication date: 20210917 |