CN110272654A - A kind of preparation process of aqueous flexible plate base gravure ink - Google Patents
A kind of preparation process of aqueous flexible plate base gravure ink Download PDFInfo
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- CN110272654A CN110272654A CN201910619076.5A CN201910619076A CN110272654A CN 110272654 A CN110272654 A CN 110272654A CN 201910619076 A CN201910619076 A CN 201910619076A CN 110272654 A CN110272654 A CN 110272654A
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- ink
- plate base
- flexible plate
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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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
- C09D7/80—Processes for incorporating ingredients
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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)
- Chemical Kinetics & Catalysis (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a kind of preparation processes of aqueous flexible plate base gravure ink, it is related to the technical field of ink production and preparation, the following steps are included: S1. decentralized processing, water-based acrylic resin, defoaming agent and dispersing agent are put into high-speed mixer and are dispersed with stirring to obtain disperse materials；Disperse materials obtained in S1 step are put into grinder and are ground, obtain abrasive by S2. milled processed；S3. color matching is handled, and aqueous pigment, wetting agent, levelling agent and water are put into abrasive obtained in S2 step, is dispersed with stirring and is uniformly obtained semi-finished product ink；S4. toning is handled, and varnish is added into semi-finished product ink obtained in S3 step, is dispersed with stirring and is uniformly obtained finished product ink.The present invention have be uniformly dispersed, the technical effect that quality is stable.
Description
Technical field
The present invention relates to the technical fields of ink production and preparation, more particularly, to a kind of system of aqueous flexible plate base gravure ink
Standby technique.
Background technique
The plastics package of current most of intaglio printings is printed using solvent-based ink, have in process of production benzene,
The volatilization of the solvents such as ketone, ester, alcohol, worker inevitably suck a large amount of organic solvents in production, printing process, easily cause
Respiratory disease and a variety of occupational diseases.Therefore the green gravure ink that development and application meets environmental requirement becomes inexorable trend,
And ink is one of the main direction of development.
Ink is to be ground by water-soluble resin, pigment, water and auxiliary agent through scientific Compound Machining.Water-soluble resin is in water
Mainly play binder in ink, keep granules of pigments evenly dispersed, makes ink that there is certain mobility, and offer and printing
The adhesion strength of object material enables ink to form uniform film layer after printing.Form and aspect in ink depend primarily on pigment, pigment
It is to be evenly distributed in binder with graininess, granules of pigments, which can generate light, to be absorbed, reflection, reflects and transmit and make
With, therefore certain color can be presented.Generally require pigment that there is bright-coloured color, tinting strength, tinting power appropriate and covering power, and
Higher dispersion degree, further, it is also possible to have different wearabilities.The effect of solvent is dissolving resin, has ink certain
Mobility, transfer can be successfully realized in printing process, and be adjusted to the viscosity and drying property of ink.
There is the problems such as adhesive force is not strong, wearability is bad and uneven color more in the ink used on the market at present, in addition to
There are the production methods and technique except larger impact, in ink production process for properties of the ink formula to ink itself
It can directly determine ink quality quality.And the production technology of ink is mostly by each component raw material in ink in the prior art
Disposable mixing dispersion, stock dispersion unevenly lead to ink unstable quality.
Summary of the invention
The object of the present invention is to provide it is a kind of be uniformly dispersed, the preparation process for the aqueous flexible plate base gravure ink that quality is stable.
The technical scheme is that:
S1. decentralized processing: water-based acrylic resin, defoaming agent and dispersing agent are put into high-speed mixer and are dispersed with stirring point
Bulk cargo；
S2. milled processed: disperse materials obtained in S1 step are put into grinder and are ground, abrasive is obtained；
S3. color matching is handled: aqueous pigment, wetting agent, levelling agent and water, stirring point are put into abrasive obtained in S2 step
It dissipates and uniformly obtains semi-finished product ink；
S4. toning is handled: varnish is added into semi-finished product ink obtained in S3 step, is dispersed with stirring and uniformly obtains product water
Ink.
By using above-mentioned technical proposal, binder of the water-based acrylic resin as ink, with aqueous solvent and other
Dispersion between auxiliary agent has been largely fixed the property of ink.In S1 step, water-based acrylic resin is first and defoams
Agent, dispersing agent are mixed, and dispersing agent first wraps up water-based acrylic resin solid particle, that is, play the role of emulsifier,
The lubrication protection layer of adequate thickness is formed in solid particles surface, makes water-based acrylic resin and aqueous solvent, other auxiliary agents and fills out
Compatibility between material is more preferable, disperses more uniform.
Defoaming agent first and water-based acrylic resin and dispersant in S1 step, to be dispersed in disperse materials
In, when being ground in S2 step, defoaming agent can sufficiently play the role of foam inhibition defoaming.In S3 step, disperse materials are filled
After dividing grinding to form abrasive, then aqueous pigment, wetting agent, levelling agent and water are put into abrasive, due in abrasive
Water-based acrylic resin particle surface has formd one layer of lubrication protection layer, at this time with aqueous pigment, wetting agent, levelling agent and
Water can be uniform with rapid dispersion, and aqueous pigment then also quick humidification and then dispersion under the action of wetting agent makes entire ink body
It is that stock dispersion is more uniform, improves ink quality stability.In S4 step, being eventually adding varnish is then to be adjusted to ink
Suitable viscosity, the stock for making ink be suitable for different surfaces intensity print, and improve the quality of ink printing.
Be further arranged to: in the S1 step, high-speed mixer is mixed with the speed of v1=750-850 turns/min
Disperse materials, mixing time t1 are 50-70min.
By using above-mentioned technical proposal, in S1 step, turn/speed the high-speed stirred aqueous third of min with v1=750-850
Olefin(e) acid resin, dispersing agent and defoaming agent, when high-speed stirred, water-based acrylic resin will receive larger with dispersing agent, defoaming agent
Operating on centrifugal force shear force, under the shear force between operating on centrifugal force and material, water-based acrylic resin with
Contact dispersion between dispersing agent, defoaming agent is more abundant, mixes more uniform.
Be further arranged to: in the S2 step, disperse materials carry out 6 grindings, and each milling time t2 is 1-2h, and every
Disperse materials are once filtered after secondary grinding.
Be further arranged to: in the S2 step, grinding temperature T is 50-60 DEG C.
Be further arranged to: in the S2 step, the fineness of grinding distribution material to disperse materials reaches 5 μm and in 25 DEG C of condition
It is lower with 3# glasss of viscosity, mus 1 measured of Cai's grace cup be 28-32s.
By using above-mentioned technical proposal, in S2 step, when grinding to disperse materials, disperse materials are in 50-60 DEG C of item
There is good fluidity, it is easier to be uniformly dispersed under part.Disperse materials are allocated as 6 times and are ground, and disperse materials after grinding every time
It is once filtered, such disperse materials are equivalent to be filtered for multiple times in dispersion process, is constantly filtered out in disperse materials and is reunited
Dough and insoluble impurity, thus while disperse materials fineness is continuously improved guarantee disperse materials in material particles purity and
The ingredient of particle size uniformity, the semi-finished product ink for obtaining grinding is more uniform, and physical and chemical performance and printing service performance are more preferable.
It is further arranged to: in the S3 step, with v2 after abrasive, aqueous pigment, wetting agent, levelling agent and water mixing
The speed of=700-900 turns/min is stirred dispersion, and being dispersed with stirring time t3 is 20-40min.
It is further arranged to: in the S4 step, varnish is added and adjusts the viscosity of semi-finished product ink in 25 DEG C of conditions
It is lower with 3# glasss of viscosity, mus 2 measured of Cai's grace cup be 16-18s.
By using above-mentioned technical proposal, viscosity is one of main indicator of ink, and viscosity number will have a direct impact on printed matter
Quality, if viscosity is too high, the levelability of ink is poor, and the printability of impression ink leads to dirty version, scumming；If viscous
Degree is too low, then will affect the ability that carrier drives colorant, lead to ink uneven color, print unclear problem.Ink is 25
Ink can be made to keep suitable viscosity, balance printing is suitable in 16-18s with 3# glasss of viscosity, mus 2 measured of Cai's grace cup under the conditions of DEG C
Property and color homogeneity, and then improve printing quality.
In conclusion advantageous effects of the invention are as follows:
(1) water-based acrylic resin first first carries out mixing in S1 step with defoaming agent, dispersing agent dispersion, and dispersing agent is by aqueous third
Olefin(e) acid resin solid particle is wrapped up, that is, plays the role of emulsifier, is protected in the lubrication that solid particles surface forms adequate thickness
Sheath, thus keep compatibility of the water-based acrylic resin in the S3 step between aqueous solvent, other auxiliary agents and filler more preferable, point
It dissipates more uniform；Defoaming agent is also dispersed in disperse materials in the dispersion process in S1 step, is ground in S2 step
When mill, defoaming agent can more sufficiently play the role of foam inhibition defoaming；
(2) disperse materials are allocated as 6 times in S2 step and are ground, and disperse materials are once filtered after grinding every time, this
Sample disperse materials are equivalent to be filtered for multiple times in dispersion process, constantly filter out the dough reunited in disperse materials with it is insoluble miscellaneous
Matter makes to guarantee the purity and particle size uniformity of the material particles in disperse materials while disperse materials fineness is continuously improved
The ingredient for grinding obtained semi-finished product ink is more uniform, and physical and chemical performance and printing service performance are more preferable；
(3) varnish is added in last S4 step and adjusts the viscosity of semi-finished product ink to appropriate value, at this time semi-finished product ink
It has tended towards stability substantially by 6 grindings and ingredient after filtering, has added varnish and be adjusted to semi-finished product ink suitably
Viscosity, viscosity control more accurately and conveniently, balance printability and color homogeneity, and then improve printing quality.
Specific embodiment
Embodiment 1: a kind of preparation process of aqueous flexible plate base gravure ink includes the following steps (the technique ginseng in each step
Number is as shown in table 1):
S1. decentralized processing: water-based acrylic resin, defoaming agent and dispersing agent are put into high-speed mixer and will be dispersed with stirring, is stirred
Speed v1 is 750 turns/min, and mixing time t1 is 50min, obtains disperse materials；
S2. milled processed: disperse materials obtained in S1 step being put into grinder and be ground, and grinding temperature T is 50 DEG C, is ground
Grinding machine, which divides 6 times, grinds disperse materials, and each milling time t2 is 1h, and carries out primary mistake to disperse materials after grinding every time
Filter, filters out the dough and insoluble impurities in disperse materials, finally obtains abrasive, the fineness of abrasive reaches 5 μm and at 25 DEG C
Under the conditions of with 3# glasss of viscosity, mus 1 measured of Cai's grace cup be 28-32s；
S3. color matching is handled: putting into aqueous pigment, wetting agent, levelling agent and water, into abrasive obtained in S2 step with v2=
The speed of 700-900 turns/min is stirred dispersion, and being dispersed with stirring time t3 is 20-40min, uniformly obtains half until being dispersed with stirring
Finished product ink；
S4. toning is handled: varnish is added into semi-finished product ink obtained in S3 step, is dispersed with stirring uniformly to semi-finished product water
The viscosity of ink is extremely 16-18s with 3# glasss of viscosity, mus 2 measured of Cai's grace cup under the conditions of 25 DEG C, obtains finished product ink.
1 each process parameter table of embodiment 1-5 of table
Embodiment 2: a kind of preparation process of aqueous flexible plate base gravure ink, the present embodiment the difference from embodiment 1 is that, this
Technological parameter in embodiment is different from embodiment 1, and specific process parameter is referring to table 1.
Embodiment 3: a kind of preparation process of aqueous flexible plate base gravure ink, the present embodiment the difference from embodiment 1 is that, this
Technological parameter in embodiment is different from embodiment 1, and specific process parameter is referring to table 1.
Embodiment 4: a kind of preparation process of aqueous flexible plate base gravure ink, the present embodiment the difference from embodiment 1 is that, this
Technological parameter in embodiment is different from embodiment 1, and specific process parameter is referring to table 1.
Embodiment 5: a kind of preparation process of aqueous flexible plate base gravure ink, the present embodiment the difference from embodiment 1 is that, this
Technological parameter in embodiment is different from embodiment 1, and specific process parameter is referring to table 1.
The implementation principle of the present embodiment and have the beneficial effect that in S1 step, water-based acrylic resin first with defoaming agent, point
Powder carries out mixing dispersion, and dispersing agent wraps up water-based acrylic resin solid particle, that is, plays the role of emulsifier, solid
Body particle surface formed adequate thickness lubrication protection layer, thus make water-based acrylic resin in the S3 step with aqueous solvent, its
Compatibility between his auxiliary agent and filler is more preferable, disperses more uniform.Disperse materials are allocated as 6 times in S2 step and are ground, and
Disperse materials are once filtered after grinding every time, and such disperse materials are equivalent to be filtered for multiple times in dispersion process, no
It is disconnected to filter out the dough and insoluble impurities reunited in disperse materials, to guarantee disperse materials while disperse materials fineness is continuously improved
In material particles purity and particle size uniformity, the ingredient of semi-finished product ink for obtaining grinding is more uniform, physical and chemical performance
And printing service performance is more preferable.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of preparation process of aqueous flexible plate base gravure ink, which comprises the following steps:
S1. decentralized processing: water-based acrylic resin, defoaming agent and dispersing agent are put into high-speed mixer and are dispersed with stirring point
Bulk cargo；
S2. milled processed: disperse materials obtained in S1 step are put into grinder and are ground, abrasive is obtained；
S3. color matching is handled: aqueous pigment, wetting agent, levelling agent and water, stirring point are put into abrasive obtained in S2 step
It dissipates and uniformly obtains semi-finished product ink；
S4. toning is handled: varnish is added into semi-finished product ink obtained in S3 step, is dispersed with stirring and uniformly obtains product water
Ink.
2. the preparation process of aqueous flexible plate base gravure ink according to claim 1, it is characterised in that: in the S1 step,
Disperse materials are mixed with the speed of v1=750-850 turns/min in high-speed mixer, and mixing time t1 is 50-70min.
3. the preparation process of aqueous flexible plate base gravure ink according to claim 1, it is characterised in that: in the S2 step,
Disperse materials carry out 6 grindings, and each milling time t2 is 1-2h, and disperse materials are once filtered after grinding every time.
4. the preparation process of aqueous flexible plate base gravure ink according to claim 1 or 3, it is characterised in that: the S2 step
In, grinding temperature T is 50-60 DEG C.
5. the preparation process of aqueous flexible plate base gravure ink according to claim 4, it is characterised in that: in the S2 step,
The fineness of grinding distribution material to disperse materials reaches 5 μm and is 28- with 3# glasss of viscosity, mus 1 measured of Cai's grace cup under the conditions of 25 DEG C
32s。
6. the preparation process of aqueous flexible plate base gravure ink according to claim 1, it is characterised in that: in the S3 step,
Dispersion is stirred with the speed of v2=700-900 turns/min after abrasive, aqueous pigment, wetting agent, levelling agent and water mixing,
Being dispersed with stirring time t3 is 20-40min.
7. the preparation process of aqueous flexible plate base gravure ink according to claim 1, it is characterised in that: in the S4 step,
Be added varnish adjust semi-finished product ink viscosity under the conditions of 25 DEG C with 3# glasss of viscosity, mus 2 measured of Cai's grace cup be 16-
18s。
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| CN201910619076.5A CN110272654A (en) | 2019-07-09 | 2019-07-09 | A kind of preparation process of aqueous flexible plate base gravure ink |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5747555A (en) * | 1995-02-22 | 1998-05-05 | R. R. Donnelley & Sons Co. | Water-based publication gravure ink |
| JP2009242565A (en) * | 2008-03-31 | 2009-10-22 | Dic Corp | Gravure printing ink |
| CN104263073A (en) * | 2014-10-13 | 2015-01-07 | 北京印刷学院 | Pure water based black ink for plastic gravure and preparation method thereof |
| CN104263072A (en) * | 2014-10-13 | 2015-01-07 | 北京印刷学院 | Pure water based cyan ink for plastic gravure and preparation method thereof |
| CN109337440A (en) * | 2018-09-26 | 2019-02-15 | 浙江美浓世纪集团有限公司 | A kind of environment-friendly water-based gravure printing ink and preparation method thereof |
| CN109880436A (en) * | 2019-03-28 | 2019-06-14 | 郑州知淘信息科技有限责任公司 | A kind of plastic film flexographic printing water-based ink |
-
2019
- 2019-07-09 CN CN201910619076.5A patent/CN110272654A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5747555A (en) * | 1995-02-22 | 1998-05-05 | R. R. Donnelley & Sons Co. | Water-based publication gravure ink |
| JP2009242565A (en) * | 2008-03-31 | 2009-10-22 | Dic Corp | Gravure printing ink |
| CN104263073A (en) * | 2014-10-13 | 2015-01-07 | 北京印刷学院 | Pure water based black ink for plastic gravure and preparation method thereof |
| CN104263072A (en) * | 2014-10-13 | 2015-01-07 | 北京印刷学院 | Pure water based cyan ink for plastic gravure and preparation method thereof |
| CN109337440A (en) * | 2018-09-26 | 2019-02-15 | 浙江美浓世纪集团有限公司 | A kind of environment-friendly water-based gravure printing ink and preparation method thereof |
| CN109880436A (en) * | 2019-03-28 | 2019-06-14 | 郑州知淘信息科技有限责任公司 | A kind of plastic film flexographic printing water-based ink |
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| Title |
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| 严美芳等: "《印刷包装材料》", 31 October 2017, 文化发展出版社 * |
| 凌云星等: "《油墨技术手册 上》", 31 May 2009, 印刷工业出版社 * |
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