CN112980306A - Water-based gravure touch gloss oil and preparation process thereof - Google Patents
Water-based gravure touch gloss oil and preparation process thereof Download PDFInfo
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- CN112980306A CN112980306A CN201911288304.1A CN201911288304A CN112980306A CN 112980306 A CN112980306 A CN 112980306A CN 201911288304 A CN201911288304 A CN 201911288304A CN 112980306 A CN112980306 A CN 112980306A
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- polyurethane
- dispersion
- gloss oil
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses water-based gravure touch gloss oil which comprises 52.0-62.0% of polyurethane dispersoid, 32.0-38.0% of deionized water, 0.0-10.0% of ethanol, 9.0-11.0% of polyurethane fluff powder, 0.1-0.2% of wetting and leveling agent, 0.1-0.3% of defoaming agent, 0.0-0.5% of wax slurry and 0.0-0.2% of slipping agent; through a plurality of experimental researches, the polyurethane dispersion is used as the aqueous resin binder, so that the environmental pollution is reduced, the generation of unpleasant odor is reduced, and the discharge amount of VOC is reduced.
Description
Technical Field
The invention relates to the field of printing ink, in particular to water-based gravure touch gloss oil and a preparation process thereof.
Background
The water-based touch gloss oil is water-based gloss oil used for various paper gravure printing, can generate a matte effect similar to fluff touch after being printed and dried, and is used for high-grade cigarette and wine packaging, such as cloud cigarette. The current touch ink is solvent-based silk screen printing, has high viscosity and easy precipitation, main solvents are n-propyl acetate, n-butyl acetate, propylene glycol methyl ether acetate, propylene glycol butyl ether and the like, VOC (volatile organic compounds) is released more, the smell is large, the printing speed is low, the cost is higher (5-8 times of that of water-based varnish), the application effect is unstable, the yield is not large at present, and therefore, the solvent-based silk screen printing is changed into the water-based gravure printing, the printing stability is improved, and the development of the water-based ink is quite urgent.
With the continuous improvement of global requirements on environmental protection and low carbon, the varieties and types of resin and printing ink are also influenced by environmental protection factors. Developed countries in the world have passed the VOC laws related to environmental protection in the 90 s of the 20 th century, in which restrictive regulations are made on the emission of volatile organic solvents of printing processes and ink products. In europe, printing enterprises demand inks as "low solvent" inks or aqueous inks, i.e., processed products that require less, and avoid, use of non-renewable energy petroleum in ink products; VOC emissions must be controlled to within 2% during the printing process required in north america. Under the core strategic development targets of building a resource-saving society and an environment-friendly society, China also puts forward corresponding environmental protection technical requirements on the manufacturing process of ink products and the products, and the China starts to collect environmental protection taxes. Therefore, the continuous improvement of the environmental protection requirement of the printing ink product becomes an important factor influencing the market change of the industry, the printing ink is an aqueous system, the volatile organic compounds only contain a small amount of ethanol and 1% -2% of propylene glycol ether, and other esters, alcohols, ketones, benzenes and the like are not contained, so the printing ink is very environment-friendly.
Disclosure of Invention
The invention aims to provide the water-based gravure touch gloss oil which reduces environmental pollution, VOC (volatile organic compounds) emission and ensures printing quality and the preparation process thereof.
The purpose of the invention is realized as follows: the water-based gravure touch gloss oil consists of 52.0-62.0% of polyurethane dispersoid, 32.0-38.0% of deionized water, 0.0-10.0% of ethanol, 9.0-11.0% of polyurethane fluff powder, 0.1-0.2% of wetting and leveling agent, 0.1-0.3% of defoaming agent, 0.0-0.5% of wax slurry and 0.0-0.2% of slipping agent.
A preparation process of water-based gravure touch gloss oil comprises the following steps:
(1) powder dispersion: pouring 80% of deionized water, ethanol and 20% of polyurethane dispersoid into a dispersion material cylinder or a dispersion kettle after accurate measurement, starting stirring, dispersing for 5min at 600rpm, adding a wetting leveling agent, a defoaming agent and a slipping agent into a dispersion container in sequence, dispersing for 10min at 600rpm, adding polyurethane fluff powder while dispersing at 600rpm, dispersing for 10min at 900rpm, adding the rest of polyurethane dispersoid and wax slurry while dispersing, dispersing for 20min at 900rpm, detecting, and filling up the rest of 20% of deionized water;
(2) and (3) inspecting and packaging: adjusting color and viscosity according to the process requirements, filtering, packaging and warehousing after passing inspection.
In a further preferred embodiment of the invention, the polyurethane dispersion has a pH of 7 to 9 and a particle size of 0.01 to 0.5 mn.
In a further preferred embodiment of the present invention, the particle size of the polyurethane fluff powder is 0.01 to 20 um.
In a further preferred embodiment of the present invention, the filtration is performed using a 100-mesh filter bag.
In a further preferred embodiment of the present invention, the dispersion in the above step is carried out at a high speed by using a double dispersion plate.
Compared with the prior art, the invention has the following beneficial effects: the aqueous touch gloss oil disclosed by the invention adopts the polyurethane dispersion, so that the VOC (volatile organic compound) emission in the printing ink is greatly reduced, the generation of irritant gas is reduced, and the polyurethane dispersion is immune to low temperature, high shear and ethanol dilution, can be ground and has excellent post-processing performance; the polyurethane fluff powder has good suspension property and heat resistance, can be fully coated with the powder, achieves the optimal state of product generation, meets the requirements of the existing environment-friendly product, protects the environment, greatly improves the economic benefit and the social benefit, and is worthy of popularization.
The product is the water-based gloss oil with special touch, has the effects of protecting the lower ink layer, the fluff hand feeling, the matte and the like, is expected to be 80 yuan/kg in selling price, has the material cost of 52 yuan/kg and the fluff rate of 35 percent, is limited by instability of the product at present, is limited by 3000kg-3500kg of silk-screen touch sensitive oil used by a single cigarette packet customer every year and 21000kg of total supply quantity, and can be improved to 6000kg-7000kg by adopting the water-based touch gloss oil; in addition, a small test is prepared by a client for printing the tipping paper for the cigarettes in Henan province, after the test is passed, the use amount of 10t/a can be expected, the industry scale is 200t/a, the sales amount is increased by about 300 ten thousand yuan, and the tax is increased by 20-30 ten thousand yuan.
The invention determines the combination, mixing and dispersing processes of various water-based connecting materials, additives and touch materials by measuring the performances of the connecting materials, the additives and the touch materials to obtain the water-based touch gloss oil which is suitable for gravure printing, and has stable storage, printing process, printing effect and touch effect, so as to replace the current silk-screen solvent type touch gloss oil.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without creative efforts, shall fall within the protection scope of the present invention.
The water-based gravure touch gloss oil consists of 52.0-62.0% of polyurethane dispersoid, 32.0-38.0% of deionized water, 0.0-10.0% of ethanol, 9.0-11.0% of polyurethane fluff powder, 0.1-0.2% of wetting and leveling agent, 0.1-0.3% of defoaming agent, 0.0-0.5% of wax slurry and 0.0-0.2% of slipping agent.
A preparation process of water-based gravure touch gloss oil comprises the following steps:
(1) powder dispersion: pouring 80% of deionized water, ethanol and 20% of polyurethane dispersoid into a dispersion material cylinder or a dispersion kettle after accurate measurement, starting stirring, dispersing for 5min at 600rpm, adding a wetting leveling agent, a defoaming agent and a slipping agent into a dispersion container in sequence, dispersing for 10min at 600rpm, adding polyurethane fluff powder while dispersing at 600rpm, dispersing for 10min at 900rpm, adding the rest of polyurethane dispersoid and wax slurry while dispersing, dispersing for 20min at 900rpm, detecting, and filling up the rest of 20% of deionized water;
(2) and (3) inspecting and packaging: adjusting color and viscosity according to the process requirements, filtering, packaging and warehousing after passing inspection.
The performance indexes of the water-based touch gloss oil prepared by the process steps are shown in Table 1:
TABLE 1 technical indices of aqueous touch gloss oil products
The colloidal dispersion in the aqueous resin connecting material is adopted, the resin type is polyurethane, and the solvent is adopted, so that the VOC emission is small, the solvent residue is small, the production process cannot generate pungent smell to pollute the working environment such as a workshop, the health of workers cannot be influenced, and the energy-saving and environment-friendly advantages are realized; wherein the colloidal dispersion differs from the other aqueous resinous binders as set forth in table 2 below:
TABLE 2 Performance Difference of aqueous resinous vehicles
The colloidal dispersion is a distribution state between a solution and an emulsion, has the advantages of the two, contains a similar emulsifier and salifying structure in a molecular chain, can be used for immunizing at low temperature and high shear and diluting with ethanol and can be ground, and the resin can be one or a combination of acrylic acid, polyurethane, epoxy and the like, so that the colloidal dispersion has excellent post-processing performance.
The touch material adopted by the invention is polyurethane fluff powder, which is powder with fluff-like touch, and has good suspension property and heat resistance. The kinds of touch materials are as follows 3:
| variety of (IV) C | Polyurethane | PMMA | Polyamide | Polypropylene |
| Particle size | 0.01-20um | 0.05-50um | 0.1-30um | 0.1-50um |
| Feature(s) | High softness, good suspension property, high and low temp. resistance and high cost | High sand texture, medium dispersity and moderate price | Easy agglomeration, low melting point and moderate price | Hard, whitish and low cost |
TABLE 3 kinds of touch materials
As can be seen, polyurethane is soft and is most suitable for use as a water-based touch gloss oil among the above materials; and polyurethane fine hair powder particle is exquisite, easy reunion, need fully disperse, adopt monodispersion dish, the dish lower extreme has the dispersion dead angle, often gathers the powder, through process improvement, adopts the bipartition dish, can effectively solve the problem at dispersion dead angle to polyurethane aqueous dispersion can be high shear resistant, can fully wrap with the powder, stores more stably.
The Jiangsu Taige printing ink company mainly produces gravure printing ink for cigarette packaging materials, and the related water-based touch gloss oil is applied to cigarette packet sheets (small packets for hard-box cigarettes and carton packages for cigarettes) and cigarette wrappers (small packets for soft-box packaged cigarettes), so that the water-based system is adopted, volatile organic matters only comprise a small amount of ethanol and 1% -2% of propylene glycol ether, and other esters, alcohols, ketones, benzenes and the like are not contained, so that the environment-friendly effect is achieved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (6)
1. An aqueous gravure touch gloss oil, characterized in that: comprises polyurethane dispersoid, deionized water, ethanol, polyurethane fluff powder, wetting and leveling agent, defoaming agent, wax slurry and slipping agent, wherein the contents are respectively
52.0-62.0% of polyurethane dispersion;
32.0 to 38.0 percent of deionized water;
0.0 to 10.0 percent of ethanol;
9.0 to 11.0 percent of polyurethane fluff powder;
0.1 to 0.2 percent of wetting and leveling agent;
0.1 to 0.3 percent of defoaming agent;
0.0 to 0.5 percent of wax slurry;
0.0-0.2% of slipping agent.
2. The aqueous gravure tactile gloss oil according to claim 1, characterized in that: the pH value of the polyurethane dispersion is 7-9, and the particle size is 0.01-0.5 mn.
3. The aqueous gravure tactile gloss oil according to claim 1, characterized in that: the particle size of the polyurethane fluff powder is 0.01-20 um.
4. The process for preparing an aqueous gravure tactile gloss oil according to claim 1, wherein: the method comprises the following steps:
(1) powder dispersion: pouring 80% of deionized water, ethanol and 20% of polyurethane dispersoid into a dispersion material cylinder or a dispersion kettle after accurate measurement, starting stirring, dispersing for 5min at 600rpm, adding a wetting leveling agent, a defoaming agent and a slipping agent into a dispersion container in sequence, dispersing for 10min at 600rpm, adding polyurethane fluff powder while dispersing at 600rpm, dispersing for 10min at 900rpm, adding the rest of polyurethane dispersoid and wax slurry while dispersing, dispersing for 20min at 900rpm, detecting, and filling up the rest of 20% of deionized water;
(2) and (3) inspecting and packaging: adjusting color and viscosity according to the process requirements, filtering, packaging and warehousing after passing inspection.
5. The process for preparing an aqueous gravure tactile gloss oil according to claim 4, characterized in that: the filtration is carried out by adopting a 100-mesh filter bag.
6. The process for preparing an aqueous gravure tactile gloss oil according to claim 4, characterized in that: in the above steps, double dispersion discs are adopted for high-speed dispersion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288304.1A CN112980306A (en) | 2019-12-16 | 2019-12-16 | Water-based gravure touch gloss oil and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288304.1A CN112980306A (en) | 2019-12-16 | 2019-12-16 | Water-based gravure touch gloss oil and preparation process thereof |
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| CN112980306A true CN112980306A (en) | 2021-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163159A (en) * | 2023-04-03 | 2023-05-26 | 湖南和锐镭射科技有限公司 | Touch frame paper for cigarettes and method for manufacturing same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676036A (en) * | 2012-05-22 | 2012-09-19 | 东莞市英科水墨有限公司 | Water-based matte touch gloss oil and preparation method thereof |
| CN103342919A (en) * | 2013-07-04 | 2013-10-09 | 浙江美浓世纪集团有限公司 | Gravure aqueous suede printing ink |
| CN106065224A (en) * | 2016-08-08 | 2016-11-02 | 惠州市至上新材料有限公司 | A kind of aqueous, environmental protective sense of touch ink and preparation method thereof |
| CN109021677A (en) * | 2018-09-30 | 2018-12-18 | 中山市中益油墨涂料有限公司 | A kind of aqueous feel or sense of touch ink and preparation method thereof |
-
2019
- 2019-12-16 CN CN201911288304.1A patent/CN112980306A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676036A (en) * | 2012-05-22 | 2012-09-19 | 东莞市英科水墨有限公司 | Water-based matte touch gloss oil and preparation method thereof |
| CN103342919A (en) * | 2013-07-04 | 2013-10-09 | 浙江美浓世纪集团有限公司 | Gravure aqueous suede printing ink |
| CN106065224A (en) * | 2016-08-08 | 2016-11-02 | 惠州市至上新材料有限公司 | A kind of aqueous, environmental protective sense of touch ink and preparation method thereof |
| CN109021677A (en) * | 2018-09-30 | 2018-12-18 | 中山市中益油墨涂料有限公司 | A kind of aqueous feel or sense of touch ink and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163159A (en) * | 2023-04-03 | 2023-05-26 | 湖南和锐镭射科技有限公司 | Touch frame paper for cigarettes and method for manufacturing same |
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Application publication date: 20210618 |
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