CN105062208B - A kind of flexographic plate water-based ink of high speed printing and preparation method thereof - Google Patents
A kind of flexographic plate water-based ink of high speed printing and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of flexographic plate water-based ink of high speed printing and preparation method thereof.The flexographic plate water-based ink of the present invention includes the component of following parts by weight：Acrylic acid not 30~40 parts of filming emulsion, 5~10 parts of acrylic acid filming emulsion, 15~20 parts of acrylic resin soln, 30~40 parts of aqueous color paste, 1~3 part of Tissuemat E, 1~2 part of coalescents, 0.3~1 part of levelling agent, 0.1~0.5 part of defoamer, 3~7 parts of deionized water and pH adjusting agent；Wherein, acrylic acid not filming emulsion be Tg value >=90 DEG C acrylic emulsion, acrylic acid filming emulsion is that the mass content of pigment in 30 DEG C of Tg values ＜ acrylic emulsion, aqueous color paste is 40~45%, and pH adjusting agent makes the pH value of flexographic plate water-based ink be 8~9.5.The water-based ink can be well adapted to the printing of high speed satellite formula printing machine, and with good solubility and excellent levelling and double exposure effect, print product color saturation is high, bright-colored, glossiness is good, has wide range of applications.
Description
Technical field
The present invention relates to a kind of water-based ink, the flexographic plate water-based ink of more particularly to a kind of high speed printing and its preparation
Method.
Background technology
Flexible version printing abbreviation flexographic printing, is a kind of use flexographic plate and the printing side of ink is transmitted by anilox roll
Formula.Traditional flexographic printing use rubber relief printing plate, it is impossible to print off high-quality image, until du pont company develop it is ultraviolet
The resin plate of curing mode, just realizes the high accuracy of printing.In recent years, in packaging industry, with plate, plate-making, anilox roll,
The development of the technologies such as plate cylinder sleeve mode, flexographic printing turns into growth rate in printing industry in worldwide
Most fast and most active mode of printing.
Increasingly raising and the gradually attention to environmental protection with people to product external packaging security requirement, soft version
Water-based ink of the printing-ink from original solvent-based ink till now.Flexographic plate aqueous ink it is main by water-soluble resin,
Organic pigment, solvent and related auxiliaries are processed, and it is free of volatile organic solvent, therefore greatly reduces organic volatile
(voc) discharge, eliminates harm to human body and the pollution to being packaged commodity, be particularly suitable for use in cigarette, wine, food, beverage,
The sanitary conditions such as medicine, toy for children require strict Packaging Printing Product.
At present, carton packaging flexographic plate water-based ink used in packaging ink in occupation of critical role, but pin
To carton pack flexographic presses speed and efficiency be not it is highly desirable, such as domestic wide cut unit type press
Print speed printing speed is only 100 ms/min or so, and the print speed printing speed of domestic wide cut central cylinder type press is mostly at 150~180 ms/min
Clock or so.Import wide cut satellite-type flexible printing machine is essentially from German W＆H, Germany F＆K, Italy OFEM, U.S. FEVA, west
The companies such as class tooth COMEXI, the print speed printing speed that it is designed is higher, substantially all at 300~500 ms/min.However, existing aqueous
Ink can produce problems in the flexible printing machine for import, and such as underdry, viscosity are high so as to cause recirculation ink
The motionless ink of pumping, and can have that levelability is poor, of light color after the reduction viscosity that adds water, the poor, Bu Nengchang that produces water wave, double exposure effect
The defects such as time printing, it is often necessary to which shutdown washes version so as to influence production, and not only production efficiency is low, also results in the materials such as paper
The waste of material.
The A of Publication No. CN 104559465 Chinese patent discloses a kind of Environmental-protection water-based ink, and it uses two kinds of differences
Polyacrylate dispersion, filming emulsion, pigment, auxiliary agent and water are not prepared from acrylic acid, are applicable to paper, plastic sheeting
Deng the printing of packaging material, but its printing adaptability in printing process is poor, tinting strength, tinting power it is low, it is necessary to repeatedly stop cleaning,
And easily there is network blocking point phenomenon, it is impossible to adapt to 300~500 ms/min of flexographic plate high speed printing.Therefore, a kind of energy is expected
Enough adapt to the flexographic plate water-based ink of high speed printing.
The content of the invention
The present invention provides a kind of flexographic plate water-based ink of high speed printing and preparation method thereof, for solving in the prior art
Water-based ink can not adapt to the technological deficiencies such as flexographic plate high speed printing.
The present invention provides a kind of flexographic plate water-based ink of high speed printing, includes the component of following parts by weight：Acrylic acid is not
30~40 parts of filming emulsion, 5~10 parts of acrylic acid filming emulsion, acrylic resin soln (acrylic resin soln A) 15~20
Part, 30~40 parts of aqueous color paste, 1~3 part of Tissuemat E, 1~2 part of coalescents, 0.3~1 part of levelling agent, defoamer 0.1~
0.5 part, 3~7 parts of deionized water and pH adjusting agent；Wherein, the acrylic acid not filming emulsion be Tg value >=90 DEG C acrylic acid
Emulsion, the acrylic acid filming emulsion is the mass content of pigment in 30 DEG C of Tg values ＜ acrylic emulsion, the aqueous color paste
For 40~45%, the pH adjusting agent makes the pH value of flexographic plate water-based ink be 8~9.5.
In the present invention, acrylic acid not filming emulsion and acrylic acid are divided into according to the difference of acrylic emulsion Tg values
Filming emulsion；Specifically, the acrylic emulsion of Tg value >=90 DEG C is divided into acrylic acid not filming emulsion, by 30 DEG C of Tg values ＜'s
Acrylic emulsion is divided into acrylic acid filming emulsion；Further, the acrylic acid not filming emulsion Tg values be 95~110
DEG C, the Tg values of the acrylic acid filming emulsion are 20~25 DEG C.The present invention does not make strict limit to the composition of the acrylic emulsion
It is fixed, under conditions of the requirement of Tg values is met, can using various compositions acrylic emulsion, such as pure-acrylic emulsion, styrene-acrylic emulsion or
Its mixture etc..
In one embodiment, filming emulsion can not be solid content 44~50%, such as 48%, Tg values to the acrylic acid
95~110 DEG C, such as 100~110 DEG C, 50~60mgKOH/g of acid number, such as 50mgKOH/g, pH value 8~9, the third of such as 8.2
Olefin(e) acid emulsion；Particularly, filming emulsion is not specially styrene-acrylic emulsion to the acrylic acid.It can meet above-mentioned by common acquisition purchased in market
It is required that acrylic acid not filming emulsion, for example it can be Basf Joncryl 89, Indulor SE900, DSM A-1091
Deng.
In one embodiment, the acrylic acid filming emulsion can be solid content 45~50%, such as 46%, Tg values 20
~25 DEG C, such as 20 DEG C, 40~55mgKOH/g of acid number, such as 40mgKOH/g, pH value 8~9, such as 8.5 acrylic emulsion.
The acrylic acid filming emulsions of above-mentioned requirements can be met by common purchased in market obtain, for example its can for Basf Joncryl 77,
Indulor SE 2872 etc..
In the present invention, the acrylic resin soln (acrylic resin soln A) is acrylic resin (acrylic resin
A the aqueous solution), it can be by being made acrylic resin is soluble in water, and can according to circumstances add other auxiliary agents, for example
Defoamer, pH adjusting agent etc..Further, acrylic resin (third in the acrylic resin soln (acrylic resin soln A)
Olefin(e) acid Resin A) content (solid content) can be 30~40%.Particularly, the Tg values of the acrylic resin (acrylic resin A)
It can be 85~105 DEG C；Acid number can be 210~230mgKOH/g or so；Mean molecule quantity can be 6000~9000.Can be with
The acrylic resin A of above-mentioned requirements is met by common acquisition purchased in market, for example it can be Joncryl 678, Indulor SR
10 etc..
In one embodiment, the acrylic resin soln (acrylic resin soln A) can include acrylic resin A
30~40 parts, 50~70 parts of deionized water, 0.1~0.3 part of defoamer and make the acrylic resin soln (acrylic resin is molten
Liquid A) pH value be 8.5~9.5 pH adjusting agent, and the acrylic resin A Tg values be 85~105 DEG C, such as 98 DEG C,
Acid number is 210~230mgKOH/g, and such as 220mgKOH/g, mean molecule quantity is 7000~9000, such as 8000.
In the present invention, the aqueous color paste is the solution of pigment, and deionized water can be included by dissolving the solvent of pigment, special
It is not that solvent can be deionized water and acrylic resin soln, and can according to circumstances adds other auxiliary agents, such as defoamer,
Wetting dispersing agent etc..Specifically, the acrylic resin soln can be the acrylic acid tree different from aforesaid propylene acid resin solution A
Lipoprotein solution, i.e. acrylic resin soln B, it is the acrylic resin B aqueous solution, wherein other auxiliary agents can be added, for example, is disappeared
Infusion, pH adjusting agent etc..Further, acrylic resin B content (solid content) can be in the acrylic resin soln B
35~40%.Particularly, acrylic resin B Tg values can be 85~115；Acid number can be 220~240mgKOH/g；It is flat
Average molecular weight can be 15000~16500.The acrylic resin B of above-mentioned requirements can be met by common acquisition purchased in market, for example
It can be Joncryl 696, Joncryl 690 etc..
In one embodiment, the aqueous color paste include 40~45 parts of pigment, acrylic resin soln B25~30 part,
0.1~0.3 part of 25~35 parts of deionized water, 1~3 part of wetting dispersing agent and defoamer, wherein：The acrylic resin soln B
Including 35~40 parts of acrylic resin B, 50~60 parts of deionized water, 0.1~0.3 part of defoamer and make the acrylic resin
The pH value of solution B is 8.5~9.5 pH adjusting agent, and the Tg values of the acrylic resin B are 85~115, and acid number is 220
~240mgKOH/g, mean molecule quantity is 15000~16500.
Further, the pigment can be selected from phthalocyanine blue (such as PB15：3), dark green (such as PG7), permanent bordeaux (example
Such as PR57：1), benzidine yellow (such as PY14), permanent violet (such as PV23), carbon black (such as PBK7) and rhodo (such as PR122)
In one or more；The wetting dispersing agent can be selected from TEGO dispers 760, TEGO dispers 750, HLD-
11st, the one or more in Silok-7116W and Silok-7117；The defoamer can be organic silicon defoamer, for example may be used
With the one or more in TEGO 1488, BYK093, BYK094 and DC65.
Further, the coalescents can be selected from propylene glycol monomethyl ether, propane diols, butyl carbitol and diethylene glycol second
One or more in ether；The levelling agent can be selected from polyether silicone, for example, alkoxy acetylenic glycols and dioctyl fourth
One or more in diacid sodium, such as TEGO WET500, TEGO WET270, SURFYNOL 420, OT-75；It is described poly-
Ethylene waxes can be in MD-2000, AQUAACER552 and D-806 one or more；The pH adjusting agent can be selected from one
One or more in monoethanolamine, diethanol amine, triethanolamine and AMP-95.
Viscosity of the above-mentioned flexographic plate water-based ink at Zahn2# glasss, 25 DEG C is 24-25 ".
The present invention also provides the preparation method of any described flexographic plate water-based ink, comprises the following steps：
According to parts by weight, by the acrylic acid, filming emulsion and the acrylic acid filming emulsion are not stirred and evenly mixed, and mixing is made
Emulsion；
Under agitation, the acrylic resin soln is added into the mixed emulsion according to parts by weight, after stirring and evenly mixing,
The levelling agent, Tissuemat E, coalescents, pH adjusting agent, defoamer and deionized water are continuously added, after being sufficiently stirred for, then
The aqueous color paste is added, after stirring and evenly mixing, the flexographic plate water-based ink is made in filtering.
Further, the acrylic resin soln is prepared by the following method：
30~40 parts of acrylic resin A and 50~70 parts of deionized water are added in reactor, 60~70 are warming up to
After DEG C, pH adjusting agent and 0.1~0.3 part of defoamer are added under agitation, and the pH value of solution in reactor is maintained 8.5
~9.5, after cooling, the acrylic resin soln is made；Wherein, the Tg values of the acrylic resin A are 85~105 DEG C, acid
It is worth for 210~230mgKOH/g or so, mean molecule quantity is 7000~9000.
Further, the aqueous color paste is prepared by the following method：
1) deionized waters of 35~40 parts of acrylic resin B and 50~60 parts is added in reactor, it is warming up to 60~
After 70 DEG C, pH adjusting agent and 0.1~0.3 part of defoamer are added under agitation, and maintain the pH value of solution in reactor
8.5~9.5, after cooling, acrylic resin soln B is made；Wherein, the Tg values of the acrylic resin B are 85~115, acid number
For 220~240mgKOH/g, mean molecule quantity is 15000~16500；
2) the acrylic resin soln B of 25~30 parts of addition, 25~35 parts of deionized water, 1~3 into reactor
The wetting dispersing agent and 0.1~0.3 part of defoamer of part, after stirring, add 40~45 parts of pigment, stir 2~3h,
Granularity≤10 μm are ground to, the aqueous color paste is made.Further, the speed of stirring can be 500~900 revs/min.
The flexographic plate water-based ink of the present invention can be well adapted to the printing of high speed satellite formula printing machine, and speed can reach
To 400 meters per minute~500 meters；Particularly its environmental protection, good fluidity, rate of drying in high speed printing are fast, with good
Good solubility and excellent levelling and double exposure effect, print product color saturation is high, bright-colored, glossiness is good, can be extensive
Suitable for the printing of coating white card, art post paperboard, art paper etc..
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiments of the invention, to this
Technical scheme in inventive embodiments is clearly and completely described, it is clear that described embodiment is that a part of the invention is real
Apply example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
Embodiment 1
The flexographic plate water-based ink of the high speed printing of the present embodiment, is made up of the component of following parts by weight：Acrylic acid not into
32.9 parts of film emulsion, 5 parts of acrylic acid filming emulsion, 15 parts of acrylic resin soln A, 39 parts of aqueous color paste, Tissuemat E 1.5
5 parts of part, 1 part of coalescents, 0.3 part of levelling agent, 0.1 part of defoamer, 0.2 part of pH adjusting agent and deionized water.
In above-mentioned flexographic plate water-based ink：
Filming emulsion does not use acrylic emulsion Basf Joncryl 89 to acrylic acid, and its solid content is that 48%, Tg values are 98
DEG C, acid number is 50mgKOH/g, and pH value is 8.3；Acrylic acid filming emulsion uses acrylic emulsion Basf Joncryl 77, and it is consolidated
Content is that 46%, Tg values are 21 DEG C, and acid number is 55mgKOH/g, and pH value is 8.3；Tissuemat E is specially Tissuemat E MD-
2000；Coalescents are specially propylene glycol monomethyl ether；Levelling agent is specially TEGO WET500；Defoamer is specially BYK093；PH is adjusted
It is specially diethanol amine to save agent；It is common commercially available.
Acrylic resin soln A is made up of the component of following parts by weight：33 parts of acrylic resin A (Joncryl 678), goes
55.4 parts of ionized water, 10 parts of diethanol amine, AMP-951.5 parts, 0.1 part of defoamer BYK093；Wherein acrylic resin soln A
PH value be 8.5~9.5, and acrylic resin A (Joncryl 678) Tg values are 85 DEG C, and acid number is 215mgKOH/g, flat
Average molecular weight is 8600.
Aqueous color paste is made up of the component of following parts by weight：Red pigment (PR57：1) 40 parts, acrylic resin soln B
25 parts, 32.9 parts of deionized water, BYK0930.1 parts of 2 parts of wetting dispersing agent (TEGO dispers 760) and defoamer；Wherein：
Acrylic resin soln B is by 35 parts of acrylic resin B (Joncryl 696), 56.4 parts of deionized water, 4.5 parts of monoethanolamine, two
0.1 part of 4.5 parts of monoethanolamine and defoamer, its pH value are 8.5~9.5, and acrylic resin B (Joncryl 696) Tg values
For 88, acid number is 220mgKOH/g, and mean molecule quantity is 16000.
Above-mentioned flexographic plate water-based ink can be prepared by the following method：
1st, acrylic resin soln A is prepared
33 parts of aforesaid propylene acid resin A and 55.4 parts of deionized waters are added in reactor, are warming up to after 70 DEG C or so,
Stirring is lower to add 10 parts of diethanol amine, 1.5 parts of AMP-95 and 0.1 part of defoamer BYK093, and makes the pH value of solution in reactor
8.5~9.5 are maintained, is cooled to after room temperature, acrylic resin soln A is made.
2nd, aqueous color paste is prepared
35 parts of aforesaid propylene acid resin B and 56.4 parts of deionized waters are added in reactor, are warming up to after 70 DEG C or so,
Stirring is lower to add 4.5 parts of monoethanolamines, 4.5 parts of diethanol amine and 0.1 part of defoamer, and maintains the pH value of solution in reactor
8.5~9.5, it is cooled to after room temperature, acrylic resin soln B is made.
25 parts of aforesaid propylene acid resin solution Bs, 32.9 parts of deionized waters, 2 parts of above-mentioned wetting and dispersings are added into reactor
Agent and 0.1 part of above-mentioned defoamer, after stirring, add 40 parts of above-mentioned red pigments, are stirred under 900r/min rotating speed
After 2h, granularity≤10 μm are ground to sand mill, aqueous color paste is made.
3rd, flexographic plate water-based ink is prepared
According to above-mentioned parts by weight by the aforesaid propylene acid not rotating speed of filming emulsion and acrylic acid filming emulsion in 600r/min
Under stir and evenly mix, be made mixed emulsion；Under 900r/min rotating speed, aforesaid propylene is added into mixed emulsion according to parts by weight
Acid resin solution A, after stirring and evenly mixing, continues to sequentially add above-mentioned levelling agent, Tissuemat E, coalescents, pH adjusting agent, froth breaking
Agent and deionized water, are sufficiently stirred for after 10min, add above-mentioned aqueous color paste, after being stirred and evenly mixed under 500r/min rotating speed,
Filtering, is made above-mentioned flexographic plate water-based ink.
Embodiment 2
The flexographic plate water-based ink of the high speed printing of the present embodiment, is made up of the component of following parts by weight：Acrylic acid not into
34.7 parts of film emulsion, 5 parts of acrylic acid filming emulsion, 18 parts of acrylic resin soln A, 35 parts of aqueous color paste, 1 part of Tissuemat E,
4 parts of 1.5 parts of coalescents, 0.5 part of levelling agent, 0.1 part of defoamer, 0.2 part of pH adjusting agent and deionized water；Except aqueous color paste
Outside, other components are same as Example 1.
Aqueous color paste is made up of the component of following parts by weight：45 parts of yellow uitramarine (PY14), acrylic resin soln B 26
BYK0930.1 parts of part, 28.4 parts of deionized water, 1.5 parts of wetting dispersing agent (TEGO dispers 760) and defoamer；Wherein：
Acrylic resin soln B is same as Example 1.
Above-mentioned flexographic plate water-based ink can be prepared by the following method：
1st, aqueous color paste is prepared
26 parts of aforesaid propylene acid resin solution Bs, 28.4 parts of deionized waters, 1.5 parts of above-mentioned wettings point are added into reactor
Powder and 0.1 part of above-mentioned defoamer, after stirring, add 45 parts of above-mentioned yellow uitramarines, are stirred under 900r/min rotating speed
Mix after 2.5h, granularity≤10 μm are ground to sand mill, aqueous color paste is made.
2nd, flexographic plate water-based ink is prepared
According to above-mentioned parts by weight by the aforesaid propylene acid not rotating speed of filming emulsion and acrylic acid filming emulsion in 600r/min
Under stir and evenly mix, be made mixed emulsion；Under 900r/min rotating speed, aforesaid propylene is added into mixed emulsion according to parts by weight
Acid resin solution A, after stirring and evenly mixing, continues to sequentially add above-mentioned levelling agent, Tissuemat E, coalescents, pH adjusting agent, froth breaking
Agent and deionized water, are sufficiently stirred for after 10min, add above-mentioned aqueous color paste, after being stirred and evenly mixed under 500r/min rotating speed,
Filtering, is made above-mentioned flexographic plate water-based ink.
Embodiment 3
The flexographic plate water-based ink of the high speed printing of the present embodiment, is made up of the component of following parts by weight：Acrylic acid not into
35 parts of film emulsion, 6 parts of acrylic acid filming emulsion, 17 parts of acrylic resin soln A, 35 parts of aqueous color paste, 1 part of Tissuemat E, into
4.2 parts of 1 part of film auxiliary agent, 0.5 part of levelling agent, 0.1 part of defoamer, 0.2 part of pH adjusting agent and deionized water.
In above-mentioned flexographic plate water-based ink：
Filming emulsion does not use acrylic emulsion Indulor SE900 to acrylic acid；Acrylic acid filming emulsion uses acrylic acid
Emulsion Indulor SE 2872；Tissuemat E is specially Tissuemat E AQUAACER552；Coalescents are specially butyl card must
Alcohol；Levelling agent is specially SURFYNOL 420；Defoamer is specially TEGO 1488；PH adjusting agent is specially AMP-95；It is
It is common commercially available.
Acrylic resin soln A is made up of the component of following parts by weight：35 parts of acrylic resin A (Indulor SR 10),
54.4 parts of deionized water, 9 parts of diethanol amine, AMP-951.5 parts, 0.1 part of defoamer BYK093；Wherein acrylic resin soln A
PH value be 8.5~9.5, and acrylic resin A (Indulor SR 10) Tg values be 105 DEG C, acid number is 220mgKOH/
G, mean molecule quantity is 8000.
Aqueous color paste is made up of the component of following parts by weight：Blue pigment (PB15：3) 45 parts, acrylic resin soln B
25 parts, 29.4 parts of deionized water, 14880.1 parts of 1.5 parts of wetting dispersing agent (HLD-11) and defoamer TEGO；Wherein：Acrylic acid
Resin solution B is by 37 parts of acrylic resin B (Joncryl 690), 53.9 parts of deionized water, 4.5 parts of monoethanolamine, diethanol amine
4.5 parts and 0.1 part of defoamer, its pH value are 8.5~9.5, and acrylic resin B (Joncryl 690) Tg values are 102,
Acid number is 240mgKOH/g, and mean molecule quantity is 16500.
The preparation method that can refer to embodiment 1 prepares above-mentioned flexographic plate water-based ink.
Embodiment 4
The flexographic plate water-based ink of the high speed printing of the present embodiment, is made up of the component of following parts by weight：Acrylic acid not into
32.4 parts of film emulsion, 5 parts of acrylic acid filming emulsion, 20 parts of acrylic resin soln A, 34 parts of aqueous color paste, 1 part of Tissuemat E,
5 parts of 1.5 parts of coalescents, 0.3 part of levelling agent, 0.1 part of defoamer, 0.2 part of pH adjusting agent and deionized water；Except in aqueous color paste
Blue pigment (PB15 is replaced using black pigment (PBK7)：3) outside, other components are same as Example 3.
The preparation method that can refer to embodiment 1 prepares above-mentioned flexographic plate water-based ink.
Embodiment 5
The flexographic plate water-based ink of the high speed printing of the present embodiment, is made up of the component of following parts by weight：Acrylic acid not into
30 parts of film emulsion, 7 parts of acrylic acid filming emulsion, 16.3 parts of acrylic resin soln A, 40 parts of aqueous color paste, 1 part of Tissuemat E,
4 parts of 1 part of coalescents, 0.5 part of levelling agent, 0.1 part of defoamer, 0.1 part of pH adjusting agent and deionized water.
In above-mentioned flexographic plate water-based ink, except acrylic acid, filming emulsion does not use acrylic emulsion DSM A-1091；Poly- second
Alkene wax is specially Tissuemat E D-806；Coalescents are specially diethylene glycol ether；Levelling agent is specially OT-75；Defoamer has
Body is DC65；PH adjusting agent is specially triethanolamine；Red pigment (PR57 is replaced using viridine green (PG7) in aqueous color paste：
1) outside, remaining is same as Example 1.
The preparation method that can refer to embodiment 1 prepares above-mentioned flexographic plate water-based ink.
Reference examples 1
The water-based ink (control water-based ink 1) of this reference examples, is replaced except Tg values are used for 30~40 DEG C of acrylic emulsion
Change the acrylic acid in embodiment 1 and the water of acrylic resin soln A alternative embodiments 1 is not used in filming emulsion, and aqueous color paste
Outside acrylic resin soln B in property mill base, remaining is same as Example 1；And this is made with reference to the preparation method of embodiment 1
Compare water-based ink 1.
Reference examples 2
The water-based ink (control water-based ink 2) of this reference examples, is made up of the component of following parts by weight：Acrylic acid not film forming
25 parts of emulsion, 25 parts of acrylic acid filming emulsion, 15 parts of acrylic resin soln A, 30 parts of aqueous color paste, 1 part of Tissuemat E, into
2.5 parts of 1 part of film auxiliary agent, 0.3 part of levelling agent, 0.1 part of defoamer, 0.1 part of pH adjusting agent and deionized water；Wherein each composition and reality
Apply that example 1 is identical, and the control water-based ink 2 is made with reference to the preparation method of embodiment 1.
Test example
Each control prepared by each flexographic plate water-based ink and reference examples 1 to 2 prepared by embodiment 1 to 5 is used for water color ink
The manual color development wheel of 600LPI lines or the soft versions of RK are worked out a draft machine, the exhibit-sample on the white card (the Ke/㎡ of sunlight paper industry 170) of coating, with blowing
Machine is dried up or is placed in 50 DEG C of baking boxs and dried 15 minutes, is tested as follows：
Color is detected using GB/T 13217.1-2009 methods；Viscosity is detected using GB/T 13217.4-2008 methods,
Testing conditions are Zahn2# glasss, 25 DEG C；Using the first dryness of GB/T 13217.5-2008 methods detection, testing conditions are 25 DEG C；Adopt
Fineness is detected with GB/T 13217.3-2008 methods；Gloss is detected using GB/T 13217.2-2009 methods, testing conditions are
60 ° of angle glossometers；PH value is detected using QB/T 2825-2006 methods；Testing result is shown in Table 1.
The feature of environmental protection is detected：SGS is sent to carry out feature of environmental protection detection each water-based ink, testing result shows：Each implementation of the invention
The feature of environmental protection of flexographic plate water-based ink prepared by example meets ROHS and EN-71 Part3 standards.
Wearability：Detected, as a result shown in 2 pounds of pressure using Jinan blue streak wear resistant instrument：Various embodiments of the present invention system
Standby flexographic plate water-based ink can wear-resisting 100 back and forth.
Color density：Test record is carried out using the light splitting Density Measuring Instruments of Ai Seli 528.
Printing adaptability is tested：By above-mentioned each water-based ink in Bo Site (F＆K) wide cuts high-speed flexible version satellite print
On machine test draw a design, wherein embodiment 1 to 5 and reference examples 1 to 2 water-based ink printing anilox roll line number be respectively 700LPI,
700LPI, 700LPI, 800LPI, 600LPI, 700LPI, 700LPI, are initially powered up 50 ms/min of tune colors of speed, and color is adjusted
Raised speed respectively after good to 400 ms/min and 500 ms/min printings, distinguish testing of printed adaptability, double exposure, site, flowed on the spot
Situations such as flat situation, print speed printing speed.
The indices testing result of the water-based ink of each embodiment of table 1
Test result shows：
1st, flexographic plate viscosity of water-based ink prepared by various embodiments of the present invention is 24-25 " (Zahn2# glasss, 25 DEG C), and it flows
Dynamic property is good, and rate of drying is fast.
2nd, flexographic plate water-based ink prepared by various embodiments of the present invention is in Bo Site (F＆K) wide cuts high-speed flexible version satellite-type
When being printed on printing machine with 400 ms/min and 500 ms/min, the pattern of printed matter, site are clear, and color density is high, color saturation
Height, glossiness is good；In addition, its double exposure performance and on the spot levelling are good, continuous printing for long time can be realized, scumming will not be produced
Etc. bad phenomenon, without shutdown and galley easy cleaning, illustrate that it can preferably adapt to 400 meters~500 ms/min of height
Fast satellite-type machine is printed, and printing efficiency is greatly improved.
3rd, with embodiment 1 prepare water-based ink compared with, reference examples 1 make water-based ink it is of light color, tinting strength, tinting power is low, viscous
Degree is high, and water-based ink is printed on the machine that color saturation is inadequate, levelling is poor, it is impossible to adapt to 300~500 ms/min of high speed printing.
4th, the water-based ink that reference examples 2 make, because filming emulsion content is high, among printing process, printing personnel need many
Secondary stop cleaning printing plate and anilox roll, have a strong impact on speed of production, and print after a period of time and network blocking point phenomenon occur, equally
Prolonged continuous printing at a high speed can not be adapted to.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (4)
1. the flexographic plate water-based ink of a kind of high speed printing, it is characterised in that include the component of following parts by weight：Acrylic acid not into
30~40 parts of film emulsion, 5~10 parts of acrylic acid filming emulsion, 15~20 parts of acrylic resin soln, 30~40 parts of aqueous color paste,
1~3 part of Tissuemat E, 1~2 part of coalescents, 0.3~1 part of levelling agent, 0.1~0.5 part of defoamer, 3~7 parts of deionized water
And pH adjusting agent；Wherein, the mass content of pigment is 40~45% in the aqueous color paste, and the pH adjusting agent makes flexographic plate water
Property ink pH value be 8~9.5；
Filming emulsion is not solid content 44~50%, 95~110 DEG C of Tg values, 50~60mgKOH/g of acid number, pH value to the acrylic acid
8~9 acrylic emulsion；
The acrylic acid filming emulsion be solid content 45~50%, 20~25 DEG C of Tg values, 40~55mgKOH/g of acid number, pH value 8~
9 acrylic emulsion；
The acrylic resin soln include 30~40 parts of acrylic resin A, 50~70 parts of deionized water, defoamer 0.1~
0.3 part and make the acrylic resin soln pH value be 8.5~9.5 pH adjusting agent；Wherein, the acrylic resin A
Tg values are 85~105 DEG C, and acid number is 210~230mgKOH/g, and mean molecule quantity is 7000~9000；
The aqueous color paste includes 40~45 parts of pigment, 25~30 parts of acrylic resin soln B, 25~35 parts of deionized water, profit
0.1~0.3 part of 1~3 part of hygroscopic water powder and defoamer, wherein：
The acrylic resin soln B include 35~40 parts of acrylic resin B, 50~60 parts of deionized water, defoamer 0.1~
The pH adjusting agent that 0.3 part and the pH value that makes the acrylic resin soln B are 8.5~9.5, and the acrylic resin B
Tg values are 85~115, and acid number is 220~240mgKOH/g, and mean molecule quantity is 15000~16500.
2. flexographic plate water-based ink according to claim 1, it is characterised in that the coalescents are selected from propane diols first
One or more in ether, propane diols, butyl carbitol and diethylene glycol ether.
3. flexographic plate water-based ink according to claim 1 or 2, it is characterised in that the levelling agent is selected from polyethers silica
One or more in alkane, alkoxy acetylenic glycols and dioctyl sodium succinate.
4. the preparation method of any described flexographic plate water-based ink of claims 1 to 3, it is characterised in that comprise the following steps：
According to parts by weight, by the acrylic acid, filming emulsion and the acrylic acid filming emulsion are not stirred and evenly mixed, and mixing breast is made
Liquid；
Under agitation, the acrylic resin soln is added into the mixed emulsion according to parts by weight, after stirring and evenly mixing, continued
The levelling agent, Tissuemat E, coalescents, pH adjusting agent, defoamer and deionized water are added, after being sufficiently stirred for, is added
The aqueous color paste, after stirring and evenly mixing, the flexographic plate water-based ink is made in filtering；
The acrylic resin soln is prepared by the following method：
30~40 parts of acrylic resin A and 50~70 parts of deionized water are added in reactor, are warming up to after 60~70 DEG C,
Add pH adjusting agent and 0.1~0.3 part of defoamer under agitation, and make solution in reactor pH value maintain 8.5~
9.5, after cooling, the acrylic resin soln is made；Wherein, the Tg values of the acrylic resin A are 85~105 DEG C, acid number
For 210~230mgKOH/g, mean molecule quantity is 7000~9000；
The aqueous color paste is prepared by the following method：
1) 35~40 parts of acrylic resin B and 50~60 parts of deionized water are added in reactor, is warming up to 60~70 DEG C
Afterwards, add pH adjusting agent and 0.1~0.3 part of defoamer under agitation, and make solution in reactor pH value maintain 8.5~
9.5, after cooling, acrylic resin soln B is made；Wherein, the Tg values of the acrylic resin B are 85~115, and acid number is 220
~240mgKOH/g, mean molecule quantity is 15000~16500；
2) added into reactor 25~30 parts the acrylic resin soln B, 25~35 parts of deionized water, 1~3 part
Wetting dispersing agent and 0.1~0.3 part of defoamer, after stirring, add 40~45 parts of pigment, stir 2~3h, grinding
To granularity≤10 μm, the aqueous color paste is made.
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| US11591482B2 (en) | 2017-07-20 | 2023-02-28 | Sun Chemical Corporation | High speed water-based inks containing alcohol tolerant latexes |
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| CN105440785B (en) * | 2015-11-30 | 2018-06-29 | 济南泉永印务有限公司 | A kind of art post paperboard gravure water-based ink and printing process |
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| CN111040512A (en) * | 2019-12-26 | 2020-04-21 | 广东天龙油墨有限公司 | Water-based flexographic printing ink for thin film printing and preparation method thereof |
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| CN112592622A (en) * | 2020-11-18 | 2021-04-02 | 鄢陵彩达油墨有限公司 | Quick-drying water-based environment-friendly ink and preparation method thereof |
| CN112778831A (en) * | 2020-12-18 | 2021-05-11 | 苏州工业园区莱博特瑞新材料科技有限公司 | High and low temperature resistant water-based ink and preparation method thereof |
| CN114672187A (en) * | 2020-12-24 | 2022-06-28 | 湖南金固力油墨涂料有限公司 | Full-water-based intaglio printing ink |
| CN115491079A (en) * | 2022-09-23 | 2022-12-20 | 东莞智源彩印有限公司 | Water-based printing ink and preparation method thereof |
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| CN102732103A (en) * | 2012-07-23 | 2012-10-17 | 上海睿途新材料科技有限公司 | High-printing-property environment-friendly water-based back surface coating for packaging materials as well as preparation method thereof |
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| US11591482B2 (en) | 2017-07-20 | 2023-02-28 | Sun Chemical Corporation | High speed water-based inks containing alcohol tolerant latexes |
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