3 China's water-based ink technology innovation
At present, China's shortage of dry ink or blank ink is a dry high-tech ink, a variety of water-based inks, waterless offset inks, food packaging inks, offset printing inks, special security inks, non-Fang thermal offset printing inks, etc. Hope that the ink technology development personnel technical innovation, technology development.
At present, China has no strict environmental protection laws in terms of ink, but just like the Chinese paint industry, ink-related environmental laws and regulations will be introduced sooner or later. VOC inks and water-based inks have been tested in the minds of each ink manufacturer or in the lab, so that they can be put on the market quickly when environmental regulations are introduced. In addition, it is necessary to understand the dangers of oil-based inks and the seriousness of the oil crisis and the energy consumption of ink to enable water-based ink technology innovation to enter the right track. The following (see 3.2) provides examples of ink-based ink technology innovation for domestic ink companies in recent years. List of results.
3.1 The harmfulness of oily ink
Oil-based inks are the largest source of pollution in the printing industry. In 2004, the world's annual ink production was about 3.5 million tons. Solvent-based inks account for an average of 30-40%, and the amount of organic solvents used by the world's inks is as high as 1 million tons per year. In addition, inks also contain heavy metal elements that are harmful to the human body.
3.1.1 Hazards to Human Body
Printing inks are composed of materials such as binders, fillers and auxiliaries. Among them, organic pigments contain lead, chromium, mercury, copper and other metal elements, which have certain toxicity and cannot be used for food packaging. Some pigments contain benzidine. Carcinogenic ingredients should be strictly prohibited. The connection material contains about 40 to 50% of organic solvents. Long-term exposure can damage the skin of the human body. High levels of organic solvents in the air may cause respiratory inhalation and may cause chronic poisoning. These materials have great harm to human health.
3.1.2 Impact on the Environment
The volatilization of solvents in oil-based inks causes atmospheric pollution, mainly due to the use of more organic solvents in liquid inks. These organic solvents also react with some gases in the air to produce chlorine and fumes, which seriously pollute the air. The growth of plants has a greater impact on ecological balance, and it should attract the attention of the whole society.
3.2 List of Waterborne Ink Technical Innovations
3.2.1 Cork Paper Water Ink
The Printing and Packaging Department of Wuhan University has recently successfully developed water-based inks for use in printing of tipping paper, which makes cigarettes safer and more environmentally friendly. The formula of the watery gravure paper ink used for the water drop paper adopts scientific orthogonal design theory, and adopts the waterborne polymer resin, foreign advanced additives and water, and is supplemented by special production technology.
3.2.2 highlight water-based ink
Traditional water-based inks have the disadvantages of slow drying speed, low gloss, and easy to cause paper shrinkage. They have been unsuitable for the needs of the high-speed developed printing industry, and the high-bright water-based ink products successfully developed by Wuhan Institute of Industry and Technology have no Poison, non-irritating odor, non-corrosive, non-flammable, non-explosive, good safety, high concentration, stable performance, good printing adaptability, high fastness of attachment, fast drying, water resistance, alkali resistance, ethanol resistance and abrasion resistance Features such as excellent performance. The product has been accepted as a patent for invention by the national patent office (001144 381.6), and passed the inspection and appraisal by the national ink quality inspection center. It can be widely used in gold, silver cardboard, art paper, white paper, corrugated paper, self-adhesive paper, carton , paper packaging bags, books and magazines printed flexo and gravure.
3.2.3 Anti-bacterial water-based ink
Wenzhou Weiboer Industry Co., Ltd. successfully developed high quality antibacterial water-based ink with independent intellectual property rights in June 2005. At present, the project successfully raised 10 million yuan and implemented industrialization in the Wenzhou High-tech Industrial Park incubator. According to experts, the technical performance indicators of antibacterial water-based inks are superior to those of imported water-based inks, and they can completely replace imported products. The market prospect is broad.
3.2.4 Water-based composite plastic ink
After more than one year, Ruilong's new water-based composite ink has been successfully developed. The technology has been evaluated by relevant departments and filled the blank of our aqueous composite ink. After testing, its composite peel strength is the same as solvent-based ink.
3.2.5 environmental gravure ink
After more than three years of research and development, Beijing Incofan Chemical Products Co., Ltd. officially launched WE-type plastic film gravure water-based ink. The product uses water as the main solvent, a variety of high-molecular polymers as the filming substance, together with high-grade organic pigments, inorganic pigments and various additives. It meets the requirements of environmental protection and has good printing performance and fastness on plastic films such as BOPP, PE, and PET with a surface tension of 36 to 42 dyne/cm. After being printed on the BOPP film at a printing speed of 70 m/min by the color printing and packaging factory, the printing effect and performance can reach the level of similar products with aromatics as the main solvent.
3.2.6 Waterborne UV Gravure Resin
The key project of Zhongshan Zhongqiao Coating Viscose Co., Ltd. was successfully developed after two years of development of water-based UV resin. The resin film is transparent and soft, with fast photocuring speed, strong friction resistance, excellent adhesion to the surface of metal aluminum, paper, etc., non-toxic and odorless, environmentally friendly, non-flammable, solid content 78%, transparent appearance to yellowish Viscous liquid, no need to add monomer and initiator when using, viscosity adjustment can be diluted with water or ethanol, suitable for deep processing into water-based UV Varnish, water-based UV flexo ink, water-based UV gravure ink, water-based UV screen printing ink .
3.2.7 Printing ink for cigarette marking
With the world's attention to environmental protection, Jinjia Group has launched the printing of environmental protection tobacco labels. Water-based inks developed jointly with ink suppliers have been successfully put into production, which has opened up a new era of environmental protection for domestic cigarette labels. In order to improve the level of environmental protection and meet the needs of customers, Jing Jia Group is leading the development of water-based ink cigarette label printing, completely changing the performance of ink, using water and alcohol as diluents, which greatly saves the cost of solvents. First of all, Jing Jia Group is Fujian's Longyan Cigarette Factory's "New Pride Seven Plush Wolf" has become the leader in the printing of domestic water-based inks.
3.2.8 Water-soluble ink wastewater treatment
Water-soluble ink wastewater treatment is a common technical problem in the printing carton industry. Nanjing Kehuan Environmental System Engineering Co., Ltd. organized a technical solution to this problem and successfully developed a set of integrated equipment for the treatment of various water-soluble inks. The water-soluble ink wastewater treatment of all types of printing cartons industry has reached the national first-class emission standards. The technology has been officially applied in engineering and the project has reached various predetermined design specifications.
4 Application Prospect of China Water-based Ink
4.1 Application Prospects of Water-based Inks
Ink and wash have had a huge impact on the flexible packaging market. According to NAPIM USA Industry, water-based flexographic inks account for 37% of the packaging market. Inkjets already have a particular huge market, such as the absolute advantage of the narrow-band label printing process. Other applications include water-based flexographic printing of folding cardboard, grocery bags, merchandise storage bags, multi-layer paper bags, corrugated cardboard, and envelopes. Just as Mr. Darryl Sagraves, Manager of Technical Marketing at Sun Chemicals, once pointed out: The application of ink ink has an absolute advantage in these “easy-to-get markets†and will have more significant growth.
4.2 application of water-based ink
From a printing point of view, water-based inks are not yet suitable for offset printing, and its main application areas are flexographic printing and gravure printing.
4.2.1 Application in Flexo Printing
We know that most flexo and gravure products are packaged products, and food packaging, tobacco and wine packaging, children's toys, etc., account for a large proportion of packaging materials that require strict sanitary conditions. Therefore, there is an urgent need for “green†printed materials. Water-based ink is undoubtedly one of the best choices. Under the impact of the “green revolution†set off in the world, flexo printing has developed rapidly. The main reason is that the vast majority of flexographic inks use water-based inks, have excellent environmental performance, and are in line with the development trend of modern packaging and printing. In the U.S., 95% of flexographic products use water-based inks. In Japan, 70% of flexographic plates are used for printing on corrugated cardboard, and 95% of them use water-based inks. In China, the proportion of flexo printing is increasing day by day. There are nearly 200 narrow-width flexographic printing production lines in China, which require more than 100,000 tons of water-based ink annually.
4.2.2 Application in gravure printing
Water-based gravure printing inks were widely used in the printing of packaging paper and cardboard carton in the 1970s. Because paper printing has better evaporation and absorption drying, the problem of water-based ink drying is better solved and the popularity is also relatively low. Early in the United States, 80% of gravure prints use water-based inks. In addition, from an overall point of view, an important reason why water-based gravure inks are not popularized further is that the contradiction between the gravure printing speed and the print quality and the performance of the gravure dryer has not been resolved.
4.2.3 Application in Screen Printing
Countries that have used water-based screen printing inks in large quantities are Sweden, Germany and the United States. Since the 1980s, gloss and matt water-based inks have been developed internationally for printing on paper, paper, PVC, PS, aluminum foil, and metals. The development of screen printing in our country is very fast, and the progress in the development and popularization of screen printing water ink is slow. What is gratifying is that China has attracted people's attention in the research and development of screen printing inks. After several years of hard work, we have achieved some results. According to reports, screen-printed water-based inks have been applied to printing materials such as paper and plastics in China.
5 China's water-based ink market outlook
5.1 Domestic Water Ink Purchase Area Distribution and Prospects
According to relevant statistics, the main procurement capabilities of water-based inks are concentrated in South China and East China. From 2001 to 2004, the proportion of water-based ink purchases in South China was 41%, that of East China was 35%, and that of North China was 14%. Others The regional procurement ratio is 10%. It is estimated that by the end of 2006, South China will grow to 50%, while other regions will rise to 13%, while East China and North China will also have significant increases. Moreover, from 2001 to 2004, water-based inks were mainly domestically produced, mainly because the quality of domestic water-based inks has basically passed the requirements of carton printing, and the price has an absolute advantage. Therefore, most companies choose domestic inks. It is estimated that by the end of 2006, the origin of water-based inks will still be mainly made in China, except in South China, which is mainly imported products with a ratio of 55%.
Domestic ink-and-wash manufacturers occupy 80% of the market share of corrugated cartons, and well-known manufacturers with a certain scale in the country include: Guangdong Zhaoqing Tianlong Ink, Oriental Ink, Shanghai Shiao, Shanxi Essence Industry and Trade, etc.; joint ventures, foreign ink manufacturers : Tianjin Toyo Ink, Fulin Ink, and Pacific Ink are very good manufacturers of ink and wash products in the corrugated box industry. In addition, with the continuous development of flexo printing, many small-scale ink-jet printing plants have been established one after another, which has caused some impact on the competition in the ink-and-wash market. However, user selection will generally be based on the technical strength of the manufacturers, the quality of the products, and the credibility. standard.
5.2 Future Prospects for Waterborne Ink Market Forecast
The main application fields of environment-friendly water-based inks are flexo printing and gravure printing, and most of the products of these two printing methods are packaging products, among which food packaging, tobacco and wine packaging, and children's toy packaging occupy a considerable proportion. In the flexo package printing, most of the current domestic and foreign use of water-based ink printing. The widespread use of flexographic water-based inks is one of the important factors for the rapid development of flexographic printing.
With China's accession to the WTO and people's increasing awareness of environmental protection, advanced alcohol-soluble and water-soluble inks and other environmentally friendly inks will show rapid growth. Relevant experts predict that in recent years, the demand for water-based gravure inks, water-based flexographic ink special inks and other products in the domestic market will show an upward trend. The following is an overview of the domestic market's demand for various water-based ink products.
1. Waterborne Flexographic Ink: In the future, market demand will increase steadily, but it will not be too large. It will increase at a rate of 5% to 6%, accounting for 40% to 45% of the total.
At present, China's shortage of dry ink or blank ink is a dry high-tech ink, a variety of water-based inks, waterless offset inks, food packaging inks, offset printing inks, special security inks, non-Fang thermal offset printing inks, etc. Hope that the ink technology development personnel technical innovation, technology development.
At present, China has no strict environmental protection laws in terms of ink, but just like the Chinese paint industry, ink-related environmental laws and regulations will be introduced sooner or later. VOC inks and water-based inks have been tested in the minds of each ink manufacturer or in the lab, so that they can be put on the market quickly when environmental regulations are introduced. In addition, it is necessary to understand the dangers of oil-based inks and the seriousness of the oil crisis and the energy consumption of ink to enable water-based ink technology innovation to enter the right track. The following (see 3.2) provides examples of ink-based ink technology innovation for domestic ink companies in recent years. List of results.
3.1 The harmfulness of oily ink
Oil-based inks are the largest source of pollution in the printing industry. In 2004, the world's annual ink production was about 3.5 million tons. Solvent-based inks account for an average of 30-40%, and the amount of organic solvents used by the world's inks is as high as 1 million tons per year. In addition, inks also contain heavy metal elements that are harmful to the human body.
3.1.1 Hazards to Human Body
Printing inks are composed of materials such as binders, fillers and auxiliaries. Among them, organic pigments contain lead, chromium, mercury, copper and other metal elements, which have certain toxicity and cannot be used for food packaging. Some pigments contain benzidine. Carcinogenic ingredients should be strictly prohibited. The connection material contains about 40 to 50% of organic solvents. Long-term exposure can damage the skin of the human body. High levels of organic solvents in the air may cause respiratory inhalation and may cause chronic poisoning. These materials have great harm to human health.
3.1.2 Impact on the Environment
The volatilization of solvents in oil-based inks causes atmospheric pollution, mainly due to the use of more organic solvents in liquid inks. These organic solvents also react with some gases in the air to produce chlorine and fumes, which seriously pollute the air. The growth of plants has a greater impact on ecological balance, and it should attract the attention of the whole society.
3.2 List of Waterborne Ink Technical Innovations
3.2.1 Cork Paper Water Ink
The Printing and Packaging Department of Wuhan University has recently successfully developed water-based inks for use in printing of tipping paper, which makes cigarettes safer and more environmentally friendly. The formula of the watery gravure paper ink used for the water drop paper adopts scientific orthogonal design theory, and adopts the waterborne polymer resin, foreign advanced additives and water, and is supplemented by special production technology.
3.2.2 highlight water-based ink
Traditional water-based inks have the disadvantages of slow drying speed, low gloss, and easy to cause paper shrinkage. They have been unsuitable for the needs of the high-speed developed printing industry, and the high-bright water-based ink products successfully developed by Wuhan Institute of Industry and Technology have no Poison, non-irritating odor, non-corrosive, non-flammable, non-explosive, good safety, high concentration, stable performance, good printing adaptability, high fastness of attachment, fast drying, water resistance, alkali resistance, ethanol resistance and abrasion resistance Features such as excellent performance. The product has been accepted as a patent for invention by the national patent office (001144 381.6), and passed the inspection and appraisal by the national ink quality inspection center. It can be widely used in gold, silver cardboard, art paper, white paper, corrugated paper, self-adhesive paper, carton , paper packaging bags, books and magazines printed flexo and gravure.
3.2.3 Anti-bacterial water-based ink
Wenzhou Weiboer Industry Co., Ltd. successfully developed high quality antibacterial water-based ink with independent intellectual property rights in June 2005. At present, the project successfully raised 10 million yuan and implemented industrialization in the Wenzhou High-tech Industrial Park incubator. According to experts, the technical performance indicators of antibacterial water-based inks are superior to those of imported water-based inks, and they can completely replace imported products. The market prospect is broad.
3.2.4 Water-based composite plastic ink
After more than one year, Ruilong's new water-based composite ink has been successfully developed. The technology has been evaluated by relevant departments and filled the blank of our aqueous composite ink. After testing, its composite peel strength is the same as solvent-based ink.
3.2.5 environmental gravure ink
After more than three years of research and development, Beijing Incofan Chemical Products Co., Ltd. officially launched WE-type plastic film gravure water-based ink. The product uses water as the main solvent, a variety of high-molecular polymers as the filming substance, together with high-grade organic pigments, inorganic pigments and various additives. It meets the requirements of environmental protection and has good printing performance and fastness on plastic films such as BOPP, PE, and PET with a surface tension of 36 to 42 dyne/cm. After being printed on the BOPP film at a printing speed of 70 m/min by the color printing and packaging factory, the printing effect and performance can reach the level of similar products with aromatics as the main solvent.
3.2.6 Waterborne UV Gravure Resin
The key project of Zhongshan Zhongqiao Coating Viscose Co., Ltd. was successfully developed after two years of development of water-based UV resin. The resin film is transparent and soft, with fast photocuring speed, strong friction resistance, excellent adhesion to the surface of metal aluminum, paper, etc., non-toxic and odorless, environmentally friendly, non-flammable, solid content 78%, transparent appearance to yellowish Viscous liquid, no need to add monomer and initiator when using, viscosity adjustment can be diluted with water or ethanol, suitable for deep processing into water-based UV Varnish, water-based UV flexo ink, water-based UV gravure ink, water-based UV screen printing ink .
3.2.7 Printing ink for cigarette marking
With the world's attention to environmental protection, Jinjia Group has launched the printing of environmental protection tobacco labels. Water-based inks developed jointly with ink suppliers have been successfully put into production, which has opened up a new era of environmental protection for domestic cigarette labels. In order to improve the level of environmental protection and meet the needs of customers, Jing Jia Group is leading the development of water-based ink cigarette label printing, completely changing the performance of ink, using water and alcohol as diluents, which greatly saves the cost of solvents. First of all, Jing Jia Group is Fujian's Longyan Cigarette Factory's "New Pride Seven Plush Wolf" has become the leader in the printing of domestic water-based inks.
3.2.8 Water-soluble ink wastewater treatment
Water-soluble ink wastewater treatment is a common technical problem in the printing carton industry. Nanjing Kehuan Environmental System Engineering Co., Ltd. organized a technical solution to this problem and successfully developed a set of integrated equipment for the treatment of various water-soluble inks. The water-soluble ink wastewater treatment of all types of printing cartons industry has reached the national first-class emission standards. The technology has been officially applied in engineering and the project has reached various predetermined design specifications.
4 Application Prospect of China Water-based Ink
4.1 Application Prospects of Water-based Inks
Ink and wash have had a huge impact on the flexible packaging market. According to NAPIM USA Industry, water-based flexographic inks account for 37% of the packaging market. Inkjets already have a particular huge market, such as the absolute advantage of the narrow-band label printing process. Other applications include water-based flexographic printing of folding cardboard, grocery bags, merchandise storage bags, multi-layer paper bags, corrugated cardboard, and envelopes. Just as Mr. Darryl Sagraves, Manager of Technical Marketing at Sun Chemicals, once pointed out: The application of ink ink has an absolute advantage in these “easy-to-get markets†and will have more significant growth.
4.2 application of water-based ink
From a printing point of view, water-based inks are not yet suitable for offset printing, and its main application areas are flexographic printing and gravure printing.
4.2.1 Application in Flexo Printing
We know that most flexo and gravure products are packaged products, and food packaging, tobacco and wine packaging, children's toys, etc., account for a large proportion of packaging materials that require strict sanitary conditions. Therefore, there is an urgent need for “green†printed materials. Water-based ink is undoubtedly one of the best choices. Under the impact of the “green revolution†set off in the world, flexo printing has developed rapidly. The main reason is that the vast majority of flexographic inks use water-based inks, have excellent environmental performance, and are in line with the development trend of modern packaging and printing. In the U.S., 95% of flexographic products use water-based inks. In Japan, 70% of flexographic plates are used for printing on corrugated cardboard, and 95% of them use water-based inks. In China, the proportion of flexo printing is increasing day by day. There are nearly 200 narrow-width flexographic printing production lines in China, which require more than 100,000 tons of water-based ink annually.
4.2.2 Application in gravure printing
Water-based gravure printing inks were widely used in the printing of packaging paper and cardboard carton in the 1970s. Because paper printing has better evaporation and absorption drying, the problem of water-based ink drying is better solved and the popularity is also relatively low. Early in the United States, 80% of gravure prints use water-based inks. In addition, from an overall point of view, an important reason why water-based gravure inks are not popularized further is that the contradiction between the gravure printing speed and the print quality and the performance of the gravure dryer has not been resolved.
4.2.3 Application in Screen Printing
Countries that have used water-based screen printing inks in large quantities are Sweden, Germany and the United States. Since the 1980s, gloss and matt water-based inks have been developed internationally for printing on paper, paper, PVC, PS, aluminum foil, and metals. The development of screen printing in our country is very fast, and the progress in the development and popularization of screen printing water ink is slow. What is gratifying is that China has attracted people's attention in the research and development of screen printing inks. After several years of hard work, we have achieved some results. According to reports, screen-printed water-based inks have been applied to printing materials such as paper and plastics in China.
5 China's water-based ink market outlook
5.1 Domestic Water Ink Purchase Area Distribution and Prospects
According to relevant statistics, the main procurement capabilities of water-based inks are concentrated in South China and East China. From 2001 to 2004, the proportion of water-based ink purchases in South China was 41%, that of East China was 35%, and that of North China was 14%. Others The regional procurement ratio is 10%. It is estimated that by the end of 2006, South China will grow to 50%, while other regions will rise to 13%, while East China and North China will also have significant increases. Moreover, from 2001 to 2004, water-based inks were mainly domestically produced, mainly because the quality of domestic water-based inks has basically passed the requirements of carton printing, and the price has an absolute advantage. Therefore, most companies choose domestic inks. It is estimated that by the end of 2006, the origin of water-based inks will still be mainly made in China, except in South China, which is mainly imported products with a ratio of 55%.
Domestic ink-and-wash manufacturers occupy 80% of the market share of corrugated cartons, and well-known manufacturers with a certain scale in the country include: Guangdong Zhaoqing Tianlong Ink, Oriental Ink, Shanghai Shiao, Shanxi Essence Industry and Trade, etc.; joint ventures, foreign ink manufacturers : Tianjin Toyo Ink, Fulin Ink, and Pacific Ink are very good manufacturers of ink and wash products in the corrugated box industry. In addition, with the continuous development of flexo printing, many small-scale ink-jet printing plants have been established one after another, which has caused some impact on the competition in the ink-and-wash market. However, user selection will generally be based on the technical strength of the manufacturers, the quality of the products, and the credibility. standard.
5.2 Future Prospects for Waterborne Ink Market Forecast
The main application fields of environment-friendly water-based inks are flexo printing and gravure printing, and most of the products of these two printing methods are packaging products, among which food packaging, tobacco and wine packaging, and children's toy packaging occupy a considerable proportion. In the flexo package printing, most of the current domestic and foreign use of water-based ink printing. The widespread use of flexographic water-based inks is one of the important factors for the rapid development of flexographic printing.
With China's accession to the WTO and people's increasing awareness of environmental protection, advanced alcohol-soluble and water-soluble inks and other environmentally friendly inks will show rapid growth. Relevant experts predict that in recent years, the demand for water-based gravure inks, water-based flexographic ink special inks and other products in the domestic market will show an upward trend. The following is an overview of the domestic market's demand for various water-based ink products.
1. Waterborne Flexographic Ink: In the future, market demand will increase steadily, but it will not be too large. It will increase at a rate of 5% to 6%, accounting for 40% to 45% of the total.
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