CN110204957A - A kind of Environmental-protection water-based ink and its preparation process - Google Patents
A kind of Environmental-protection water-based ink and its preparation process Download PDFInfo
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- CN110204957A CN110204957A CN201910394004.5A CN201910394004A CN110204957A CN 110204957 A CN110204957 A CN 110204957A CN 201910394004 A CN201910394004 A CN 201910394004A CN 110204957 A CN110204957 A CN 110204957A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0082—Digital printing on bodies of particular shapes
- B41M5/0088—Digital printing on bodies of particular shapes by ink-jet printing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
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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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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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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- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a kind of Environmental-protection water-based ink and its preparation processes, the ink is prepared by following weight parts raw material, 60-70 parts of epoxy modified acrylic resin, 3-5 parts of antibacterial agent, 1-3 parts of long oil alkyd resin, 1-3 parts of antioxidant, 1-2 parts of lauryl sodium sulfate, aqueous organic pigment 5-10 parts, 0.5-1 parts of defoaming agent, 0.5-1 parts of aqueous levelling agent, 0.5-1 parts of waterborne wax emulsion, 0.5-1 parts of ammonium hydroxide, 90-100 parts of deionized water, 30-40 parts of ethyl alcohol, Environmental-protection water-based ink prepared by the present invention, in tinting strength, tinting power, ultraviolet reflection rate, there is apparent outstanding feature in terms of attachment fastness and antibiotic property, and pass through spraying plus rolling process, so that the adhesive force of ink is stronger, it is polluted than the mode that tradition only carries out sprinkling ink small.
Description
Technical field
The present invention relates to Environmental-protection water-based ink preparation technical fields, and in particular to a kind of Environmental-protection water-based ink and its preparation work
Skill.
Background technique
Water-based ink Water-basedink water-based ink is referred to as ink, and flexographic plate aqueous ink is also referred to as liquid ink, it
Mainly formed by water-soluble resin, organic pigment, solvent and related auxiliaries through abrasive machining.Water-based ink especially suitable for
The sanitary conditions such as cigarette, wine, food, beverage, drug, toy for children require stringent Packaging Printing Product；But it is existing aqueous
Ink does not have in terms of tinting strength, tinting power, ultraviolet reflection rate, attachment fastness and antibiotic property (Escherichia coli and staphylococcus aureus)
Have an apparent outstanding feature, and to plate spraying Environmental-protection water-based ink when, traditional technique is by spray gun or dish-style
Atomizer is dispersed into uniform and fine droplet by means of pressure or centrifugal force, is applied over the coating process on coated article surface,
Such mode both pollutes environment, is unfavorable for human health, and waste coating.Therefore a kind of Environmental-protection water-based ink and its system are designed
Standby technique.
Summary of the invention
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of Environmental-protection water-based ink and its preparation works
Skill, Environmental-protection water-based ink prepared by the present invention, tinting strength, tinting power, ultraviolet reflection rate, attachment fastness and antibiotic property (Escherichia coli and
Staphylococcus aureus) aspect have apparent outstanding feature；It is primary raw material that the present invention, which selects epoxy modified acrylic resin,
The Environmental-protection water-based ink of preparation greatly improves Environmental-protection water-based ink water resistance, corrosion resistance, adhesive force etc., makes environment-friendly water-based oil
The comprehensive performance of ink is greatly improved；Long oil alkyd resin is added, so that ink has good quick-drying and adhesive force,
Low VOC, acid-fast alkali-proof are good；Antioxidant is added, so that the feature of environmental protection ink, the ultraviolet reflection rate having had increase oil
The service life of ink；For the present invention with N, bis- tertbutyloxycarbonyl thiocarbamide of N'- and chitosan are raw material, and the ammonia of chitosan is replaced with guanidine radicals
The antibacterial agent of base preparation, is soluble in the polymer antibacterial agent of water, has good antibiotic property, and environmentally protective；The present invention is logical
Spraying plus rolling process are crossed, so that the adhesive force of ink is stronger, is polluted than the mode that tradition only carries out sprinkling ink small.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of Environmental-protection water-based ink, the ink are prepared by following weight parts raw material, epoxy modified acrylic resin 60-
70 parts, it is 3-5 parts of antibacterial agent, 1-3 parts of long oil alkyd resin, 1-3 parts of antioxidant, 1-2 parts of lauryl sodium sulfate, aqueous organic
5-10 parts of pigment, 0.5-1 parts of defoaming agent, 0.5-1 parts of aqueous levelling agent, 0.5-1 parts of waterborne wax emulsion, 0.5-1 parts of ammonium hydroxide, go from
Sub- water 90-100 parts, 30-40 parts of ethyl alcohol；
Wherein, which is prepared by following step:
Step 1: the preparation of antibacterial agent: the chitosan of 50-100g is dissolved in the hydrochloric acid solution of 0.2-0.5mol/L,
Stirring is precipitated to being completely dissolved with dehydrated alcohol, and the solid ethanol washing of precipitation is drained, and vacuum drying obtains chitosan salt
Hydrochlorate powder adds water to it in chitosan hydrochloride powder and is dissolved into solution, and then by N, bis- tertbutyloxycarbonyl thiocarbamide of N'- adds
Entering into solution, stirring to complete reaction is depressurized after cooling and is filtered, precipitated with dehydrated alcohol, the solid ethanol washing of precipitation,
It drains, is dried in vacuo, obtains anti-bacterial powders；
Step 2: the preparation of mill base: deionized water is sequentially added in three-necked flask first and ethyl alcohol is mixed,
55 DEG C of room temperature are maintained at, revolving speed 1000r/min is stirred 5-10 minutes, then sequentially adds epoxy-modified acrylic acid tree
Rouge, above-mentioned anti-bacterial powders and lauryl sodium sulfate continue stirring 25-35 minutes, obtain mill base；
Step 3: the preparation of ink: aqueous organic pigment, waterborne wax emulsion, aqueous flow will be sequentially added in above-mentioned mill base
Flat agent, long oil alkyd resin and antioxidant, and mixing speed is adjusted to 1500r/min, defoaming agent is added after twenty minutes, after
After continuous stirring 1-2 hours, it is slowly added to ammonium hydroxide and adjusts pH be 8.0-9.5, obtain ink, it is enterprising that ink is placed in three-roll grinder
Row is ground repeatedly, and the ink that fineness is 10-20um is ground；
Step 4: roll coated: the above-mentioned ink prepared being poured into the ink storage box of coating unit, conveyer belt will
Plate is transported under nozzle, and electric pushrod pushes clamping plate to fix plate, and U-shaped sliding block slides on the slide rail, band dynamic pressure roller and spray
Mouth is mobile, and for nozzles spray ink on plate, pressure roller carries out roll-in to the ink on plate, the roll-in in spray, back and forth once, i.e.,
Sprayable roll-in is completed, and is dried to get finished product is arrived.
As a further solution of the present invention: the epoxy modified acrylic resin is prepared by following weight parts raw material
It arrives: 20-30 parts of acrylic acid, 20-25 parts of methyl methacrylate, 10-15 parts of metering system butyl ester, acrylic acid -2- hydroxyl ethyl ester 10-
15 parts, 1-5 parts of silane coupling agent, 20-30 parts of epoxy resin, 2-5 parts of dimethylbenzene, 5-10 parts of benzoyl peroxide.
As a further solution of the present invention: the antioxidant is dibutyl hydroxy toluene, tea polyphenols and butylhydroxy
At least one of anisole.
As a further solution of the present invention: the epoxy modified acrylic resin is prepared by following step:
1) first by acrylic acid, methyl methacrylate, metering system butyl ester, acrylic acid -2- hydroxyl ethyl ester and silane coupled
Agent uniformly mixes, and is divided into two parts in equal volume；Benzoyl peroxide is added dropwise in a mixed liquor to be stirred, is mixed liquid B, it is another
Part is mixed liquor A；
2) equipped with thermometer, blender, condenser pipe four-hole bottle in dimethylbenzene is added, be warming up to 45-55 DEG C, then plus
Enter epoxy resin, the stirring of the side Bian Shengwen is warming up to 70-80 DEG C, is then added drop-wise to mixed liquor A until epoxy resin all dissolves
In flask, reacts 10-15 minutes, be then added dropwise mixed liquid B, insulation reaction 2 hours；
3) finally it is cooled to 50 DEG C, it is 7-8 that agitation and dropping ammonium hydroxide, which is neutralized to system pH, insulated and stirred 10-30 minutes.
As a further solution of the present invention: the coating unit includes rack, conveyer belt, sliding rail, ink storage box, U
Type sliding block, cylinder piston rod and nozzle, the conveyer belt run through rack, and one end of the conveyer belt is provided with inclined plate, the machine
The top of frame is uniformly installed there are four cylinder piston rod, is fixedly connected with sliding rail at the top of four cylinder piston rods, the sliding rail
Ink storage box is fixedly connected at top center, the two sides of the ink storage box pass through pipeline and are connected with the pump housing, two institutes
It states the pump housing and passes through delivery hose and connect with two nozzles；
The bottom of the sliding rail is fixedly connected with rack gear, and U-shaped sliding block, the U-shaped sliding block are slidably connected on the sliding rail
Side be fixedly connected with servo motor, the shaft of the output shaft of the servo motor and the setting of U-shaped sliding block hollow portion is fixed to be connected
It connects, the shaft and U-shaped sliding block are sequentially connected, and gear, the wheel and rack engagement connection are socketed in the shaft；
The bottom of the U-shaped sliding block is fixedly connected with fixed plate, and the bottom symmetrical of the fixed plate is fixedly installed with four bullets
Spring, every two spring are fixedly connected with connecting rod far from one end of fixed plate, and the bottom of two connecting rods is connected with pressure roller,
The bottom both ends of the fixed plate are fixedly connected with nozzle.
As a further solution of the present invention: setting in equilateral triangle between the connecting rod and two springs.
As a further solution of the present invention: the adjacent two sides of the rack are fixedly connected to electric pushrod, described electronic
The side of push rod is fixedly connected with clamping plate, and the clamping plate is trapezium structure.
As a further solution of the present invention: the nozzle is rotatable nozzle.
As a further solution of the present invention: the inside of the rack is equipped with accumulator tank, uniformly opens on the conveyer belt
Equipped with through-hole.
Beneficial effects of the present invention:
1, Environmental-protection water-based ink prepared by the present invention is (big in tinting strength, tinting power, ultraviolet reflection rate, attachment fastness and antibiotic property
Enterobacteria and staphylococcus aureus) aspect have apparent outstanding feature；
2, it is the Environmental-protection water-based ink of primary raw material preparation that the present invention, which selects epoxy modified acrylic resin, greatly improves ring
Water-retaining property ink water resistance, corrosion resistance, adhesive force etc., enable the comprehensive performance of Environmental-protection water-based ink greatly to improve；Add
Oil alkyd resin is lengthened, so that ink has good quick-drying and adhesive force, low VOC, acid-fast alkali-proof is good；It adds anti-oxidant
Agent, so that the feature of environmental protection ink, the ultraviolet reflection rate having had, increase the service life of ink；The present invention is with N, bis- uncle of N'-
Butoxy carbonyl thiocarbamide and chitosan are raw material, and the antibacterial agent of the amino preparation of chitosan is replaced with guanidine radicals, is soluble in the height of water
Molecule antibacterial agent has good antibiotic property, and environmentally protective；
3, the plate of ink to be coated is placed to the underface for being transported to nozzle on the right of pressure roller on the conveyor belt, it is electronic to push away
Bar control clamping plate fixes plate, avoids the process plate sliding of coating, and cylinder piston rod band dynamic pressure roller declines, connects with plate
Touching, the right nozzle starts to spray ink, while servo motor works, by turning shaft driven gear rotation, wheel and rack engagement
Connection, so that U-shaped sliding block slides to the right, band dynamic pressure roller scrolls right, and carries out roll-in so that coating is more uniform and works as pressure
When roller reaches plate rightmost, pressure roller leftmost nozzle carries out sprinkling ink, servo motor work, and band dynamic pressure roller rolls to the left, into
Row coating, coating is primary back and forth, it finally transfers out, convenient for coating to plate, coating is more uniform, so that oily
The adhesive force of ink is stronger, pollutes than the mode that tradition only carries out sprinkling ink small.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is coating unit overall structure diagram of the present invention；
Fig. 2 is the frame of the invention overlooking structure diagram；
Fig. 3 is sliding rail side structure schematic view of the present invention.
In figure: 1, rack；2, conveyer belt；3, sliding rail；4, delivery hose；5, the pump housing；6, ink storage box；7, U-shaped sliding block；
8, fixed plate；9, connecting rod；10, inclined plate；11, cylinder piston rod；12, nozzle；13, pressure roller；14, spring；15, electric pushrod；
16, clamping plate；17, servo motor；18, shaft；19, gear；20, rack gear；21, accumulator tank；22, through-hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-3, the present invention provides a kind of technical solution；
Embodiment 1:
A kind of Environmental-protection water-based ink, the ink are prepared by following weight parts raw material, epoxy modified acrylic resin 60
Part, 3 parts of antibacterial agent, 1 part of long oil alkyd resin, 1 part of dibutyl hydroxy toluene, 1 part of lauryl sodium sulfate, aqueous organic pigment
5 parts, 0.5 part of defoaming agent, 0.5 part of aqueous levelling agent, 0.5 part of waterborne wax emulsion, 0.5 part of ammonium hydroxide, 90 parts of deionized water, ethyl alcohol 30
Part；
Wherein, preparation process are as follows:
Step 1: the preparation of antibacterial agent: the chitosan of 50-100g is dissolved in the hydrochloric acid solution of 0.2-0.5mol/L,
Stirring is precipitated to being completely dissolved with dehydrated alcohol, and the solid ethanol washing of precipitation is drained, and vacuum drying obtains chitosan salt
Hydrochlorate powder adds water to it in chitosan hydrochloride powder and is dissolved into solution, and then by N, bis- tertbutyloxycarbonyl thiocarbamide of N'- adds
Entering into solution, stirring to complete reaction is depressurized after cooling and is filtered, precipitated with dehydrated alcohol, the solid ethanol washing of precipitation,
It drains, is dried in vacuo, obtains anti-bacterial powders；
Step 2: the preparation of mill base: deionized water is sequentially added in three-necked flask first and ethyl alcohol is mixed,
55 DEG C of room temperature are maintained at, revolving speed 1000r/min is stirred 5-10 minutes, then sequentially adds epoxy-modified acrylic acid tree
Rouge, above-mentioned anti-bacterial powders and lauryl sodium sulfate continue stirring 25-35 minutes, obtain mill base；
Step 3: the preparation of ink: aqueous organic pigment, waterborne wax emulsion, aqueous flow will be sequentially added in above-mentioned mill base
Flat agent, long oil alkyd resin and dibutyl hydroxy toluene, and mixing speed is adjusted to 1500r/min, it is added disappears after twenty minutes
Infusion after continuing stirring 1-2 hours, is slowly added to ammonium hydroxide and adjusts pH be 8.0-9.5, obtain ink, ink is placed in three rollers and is ground
It is ground repeatedly on grinding machine, the ink that fineness is 10-20um is ground；
Step 4: roll coated: the above-mentioned ink prepared being poured into the ink storage box 6 of coating unit, conveyer belt 2
Plate is transported under nozzle 12, electric pushrod 15 pushes clamping plate 16 to fix plate, and U-shaped sliding block 7 slides on sliding rail 3, band
Dynamic pressure roller 13 and nozzle 12 are mobile, and nozzle 12 sprays ink on plate, and pressure roller 13 carries out roll-in, side spray to the ink on plate
Side roll-in, back and forth once, i.e., sprayable roll-in are completed, and are dried to get finished product is arrived.
The epoxy modified acrylic resin is prepared by following weight parts raw material: 20 parts of acrylic acid, methacrylic acid
20 parts of methyl esters, 10 parts of metering system butyl ester, 10 parts of acrylic acid -2- hydroxyl ethyl ester, 1 part of silane coupling agent, 20 parts of epoxy resin, diformazan
2 parts of benzene, 5 parts of benzoyl peroxide.
The epoxy modified acrylic resin is prepared by following step:
1) first by acrylic acid, methyl methacrylate, metering system butyl ester, acrylic acid -2- hydroxyl ethyl ester and silane coupled
Agent uniformly mixes, and is divided into two parts in equal volume；Benzoyl peroxide is added dropwise in a mixed liquor to be stirred, is mixed liquid B, it is another
Part is mixed liquor A；
2) equipped with thermometer, blender, condenser pipe four-hole bottle in dimethylbenzene is added, be warming up to 45-55 DEG C, then plus
Enter epoxy resin, the stirring of the side Bian Shengwen is warming up to 70-80 DEG C, is then added drop-wise to mixed liquor A until epoxy resin all dissolves
In flask, reacts 10-15 minutes, be then added dropwise mixed liquid B, insulation reaction 2 hours；
3) finally it is cooled to 50 DEG C, it is 7-8 that agitation and dropping ammonium hydroxide, which is neutralized to system pH, insulated and stirred 10-30 minutes.
Embodiment 2:
A kind of Environmental-protection water-based ink, the ink are prepared by following weight parts raw material, epoxy modified acrylic resin 70
Part, 5 parts of antibacterial agent, 3 parts of long oil alkyd resin, 3 parts of dibutyl hydroxy toluene, 2 parts of lauryl sodium sulfate, aqueous organic pigment
10 parts, 1 part of defoaming agent, 1 part of aqueous levelling agent, 1 part of waterborne wax emulsion, 1 part of ammonium hydroxide, 100 parts of deionized water, 40 parts of ethyl alcohol；
Wherein, preparation process are as follows: substantially the same manner as Example 1；
The epoxy modified acrylic resin is prepared by following weight parts raw material: 30 parts of acrylic acid, methacrylic acid
25 parts of methyl esters, 15 parts of metering system butyl ester, 15 parts of acrylic acid -2- hydroxyl ethyl ester, 5 parts of silane coupling agent, 30 parts of epoxy resin, diformazan
5 parts of benzene, 10 parts of benzoyl peroxide.
The epoxy modified acrylic resin is prepared by following step: substantially the same manner as Example 1.
Embodiment 3:
A kind of Environmental-protection water-based ink, the ink are prepared by following weight parts raw material, epoxy modified acrylic resin 60
Part, 3 parts of antibacterial agent, 3 parts of long oil alkyd resin, 3 parts of dibutyl hydroxy toluene, 2 parts of lauryl sodium sulfate, aqueous organic pigment
5 parts, 1 part of defoaming agent, 0.5 part of aqueous levelling agent, 1 part of waterborne wax emulsion, 0.5 part of ammonium hydroxide, 100 parts of deionized water, 40 parts of ethyl alcohol；
Wherein, preparation process are as follows: substantially the same manner as Example 1；
The epoxy modified acrylic resin is prepared by following weight parts raw material: 30 parts of acrylic acid, methacrylic acid
20 parts of methyl esters, 15 parts of metering system butyl ester, 10 parts of acrylic acid -2- hydroxyl ethyl ester, 1 part of silane coupling agent, 30 parts of epoxy resin, diformazan
2 parts of benzene, 10 parts of benzoyl peroxide.
The epoxy modified acrylic resin is prepared by following step: substantially the same manner as Example 1.
Embodiment 4:
A kind of Environmental-protection water-based ink, the ink are prepared by following weight parts raw material, epoxy modified acrylic resin 70
Part, 3 parts of antibacterial agent, 3 parts of long oil alkyd resin, 1 part of dibutyl hydroxy toluene, 2 parts of lauryl sodium sulfate, aqueous organic pigment
5 parts, 1 part of defoaming agent, 1 part of aqueous levelling agent, 1 part of waterborne wax emulsion, 0.5 part of ammonium hydroxide, 90 parts of deionized water, 40 parts of ethyl alcohol；
Wherein, preparation process are as follows: substantially the same manner as Example 1；
The epoxy modified acrylic resin is prepared by following weight parts raw material: 30 parts of acrylic acid, methacrylic acid
20 parts of methyl esters, 10 parts of metering system butyl ester, 15 parts of acrylic acid -2- hydroxyl ethyl ester, 1 part of silane coupling agent, 30 parts of epoxy resin, diformazan
2 parts of benzene, 10 parts of benzoyl peroxide.
The epoxy modified acrylic resin is prepared by following step: substantially the same manner as Example 1.
Environmental-protection water-based ink prepared by the present invention is tested for the property, test result is as follows table:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Tinting strength, tinting power | 109 | 108 | 106 | 107 |
| Ultraviolet reflection rate/% | 87.6 | 85.4 | 86.5 | 84.9 |
| Viscosity (S/25 DEG C) | 40 | 43 | 39 | 37 |
| Attachment fastness (%) | 100 | 100 | 100 | 100 |
| Antibiotic property/% | 99.8 | 99.9 | 99.6 | 98.7 |
As seen from the above table, the Environmental-protection water-based ink of invention preparation in tinting strength, tinting power, ultraviolet reflection rate, attachment fastness and resists
Bacterium property (Escherichia coli and staphylococcus aureus) has apparent outstanding feature.
It is the Environmental-protection water-based ink of primary raw material preparation that the present invention, which selects epoxy modified acrylic resin, greatly improves environmental protection
Water-based ink water resistance, corrosion resistance, adhesive force etc. enable the comprehensive performance of Environmental-protection water-based ink greatly to improve；Addition
Long oil alkyd resin, so that ink has good quick-drying and adhesive force, low VOC, acid-fast alkali-proof is good；It adds anti-oxidant
Agent, so that the feature of environmental protection ink, the ultraviolet reflection rate having had, increase the service life of ink；The present invention is with N, bis- uncle of N'-
Butoxy carbonyl thiocarbamide and chitosan are raw material, and the antibacterial agent of the amino preparation of chitosan is replaced with guanidine radicals, is soluble in the height of water
Molecule antibacterial agent has good antibiotic property, and environmentally protective.
It please refers to shown in Fig. 1-3, the coating unit includes rack 1, conveyer belt 2, sliding rail 3, ink storage box 6, U-shaped cunning
Block 7, cylinder piston rod 11, nozzle 12, the conveyer belt 2 run through rack 1, and one end of the conveyer belt 2 is provided with inclined plate 10, institute
The top for stating rack 1 is uniformly installed there are four cylinder piston rod 11, and the top of four cylinder piston rods 11 is fixedly connected with sliding rail 3,
Ink storage box 6 is fixedly connected at the top center of the sliding rail 3, the two sides of the ink storage box 6 are connected by pipeline
It is connected to the pump housing 5, two pump housings 5 are connect by delivery hose 4 with two nozzles 12；
The bottom of the sliding rail 3 is fixedly connected with rack gear 20, and U-shaped sliding block 7 is slidably connected on the sliding rail 3, described U-shaped
The side of sliding block 7 is fixedly connected with servo motor 17, what the output shaft of the servo motor 17 and U-shaped 7 hollow portion of sliding block were arranged
Shaft 18 is fixedly connected, and the shaft 18 is sequentially connected with U-shaped sliding block 7, is socketed with gear 19, the gear in the shaft 18
19 engage connection with rack gear 20；
The bottom of the U-shaped sliding block 7 is fixedly connected with fixed plate 8, and the bottom symmetrical of the fixed plate 8 is fixedly installed with four
Spring 14, every two spring 14 are fixedly connected with connecting rod 9 far from one end of fixed plate 8, and the bottom activity of two connecting rods 9 connects
It is connected to pressure roller 13, the bottom both ends of the fixed plate 8 are fixedly connected with nozzle 12.
Setting in equilateral triangle between the connecting rod 9 and two springs 14 keeps balance, is conducive to uniform force, simultaneously
Reaction force caused by spring 14 is more favorable for coating, and avoids the occurrence of the rough situation of coating.
The adjacent two sides of the rack 1 are fixedly connected to electric pushrod 15, and the side of the electric pushrod 15 is fixedly connected
There is clamping plate 16, the clamping plate 16 is trapezium structure, is entered between clamping plate 16 convenient for plate, and be conducive to clamping plate 16 and consolidated
It is fixed.
The nozzle 12 is rotatable nozzle, more uniform convenient for rotation sprinkling ink.
The inside of the rack 1 is equipped with accumulator tank 21, is uniformly provided with through-hole 22 on the conveyer belt 2, and being convenient for will be more
Ink recycled.
The working principle of the invention: the plate of ink to be coated is placed on conveyer belt 2, is transported on the right of pressure roller 13 and is sprayed
The underface of mouth 12, electric pushrod 15 control clamping plate 16 and fix plate, avoid the process plate sliding of coating, cylinder piston rod
11 band dynamic pressure rollers 13 decline, and with web contact, the right nozzle 12 starts to spray ink, while servo motor 17 works, by turning
Axis 18 is rotated with moving gear 19, and gear 19 engages connection with rack gear 20, so that U-shaped sliding block 7 slides to the right, band dynamic pressure roller 13
Scroll right, when pressure roller 13 reaches plate rightmost, 13 leftmost nozzle 12 of pressure roller carries out sprinkling ink, 17 work of servo motor
To make, band dynamic pressure roller 13 rolls to the left, is coated, and coating is primary back and forth, finally transfer out, convenient for being carried out to plate
Coating, coating is more uniform, pollutes smaller.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only citing made for the present invention and explanation, affiliated those skilled in the art are to being retouched
The specific embodiment stated does various modifications or additions or is substituted in a similar manner, and without departing from invention or surpasses
More range defined in the claims, is within the scope of protection of the invention.
Claims (10)
1. a kind of Environmental-protection water-based ink, which is characterized in that the ink is prepared by following weight parts raw material, epoxy-modified propylene
60-70 parts of acid resin, 3-5 parts of antibacterial agent, 1-3 parts of long oil alkyd resin, 1-3 parts of antioxidant, lauryl sodium sulfate 1-2
Part, organic pigment 5-10 parts aqueous, 0.5-1 parts of defoaming agent, 0.5-1 parts of aqueous levelling agent, 0.5-1 parts of waterborne wax emulsion, ammonium hydroxide
0.5-1 parts, 90-100 parts of deionized water, 30-40 parts of ethyl alcohol；
Wherein, which is prepared by following step:
Step 1: the preparation of antibacterial agent: the chitosan of 50-100g being dissolved in the hydrochloric acid solution of 0.2-0.5mol/L, is stirred
It to being completely dissolved, is precipitated with dehydrated alcohol, the solid ethanol washing of precipitation is drained, and vacuum drying obtains chitosan hydrochloride
Powder adds water to it in chitosan hydrochloride powder and is dissolved into solution, and then by N, bis- tertbutyloxycarbonyl thiocarbamide of N'- is added to
In solution, stirring to complete reaction is depressurized after cooling and is filtered, precipitated with dehydrated alcohol, the solid ethanol washing of precipitation, taken out
Dry, vacuum drying obtains anti-bacterial powders；
Step 2: the preparation of mill base: sequentially adding deionized water in three-necked flask first and ethyl alcohol is mixed, keep
At 55 DEG C of room temperature, revolving speed 1000r/min is stirred 5-10 minutes, then sequentially add epoxy modified acrylic resin, on
Anti-bacterial powders and lauryl sodium sulfate are stated, continues stirring 25-35 minutes, obtains mill base；
Step 3: the preparation of ink: will be sequentially added in above-mentioned mill base aqueous organic pigment, waterborne wax emulsion, aqueous levelling agent,
Long oil alkyd resin and antioxidant, and mixing speed is adjusted to 1500r/min, defoaming agent is added after twenty minutes, continues to stir
After mixing 1-2 hours, it is slowly added to ammonium hydroxide and adjusts pH be 8.0-9.5, obtain ink, ink is placed on three-roll grinder and is carried out instead
The ink that fineness is 10-20um is ground in multiple grinding.
2. a kind of Environmental-protection water-based ink according to claim 1, which is characterized in that the epoxy modified acrylic resin by
Following weight parts raw material is prepared: 20-30 parts of acrylic acid, 20-25 parts of methyl methacrylate, metering system butyl ester 10-15
Part, 10-15 parts of acrylic acid -2- hydroxyl ethyl ester, 1-5 parts of silane coupling agent, 20-30 parts of epoxy resin, 2-5 parts of dimethylbenzene, peroxidating
5-10 parts of benzoyl.
3. a kind of Environmental-protection water-based ink according to claim 1, which is characterized in that the antioxidant is dibutyl hydroxy
At least one of toluene, tea polyphenols and butylated hydroxy anisole.
4. a kind of Environmental-protection water-based ink according to claim 2, which is characterized in that the epoxy modified acrylic resin passes through
Following step is prepared:
1) first that acrylic acid, methyl methacrylate, metering system butyl ester, acrylic acid -2- hydroxyl ethyl ester and silane coupling agent is equal
Even mixing, is divided into two parts in equal volume；Benzoyl peroxide is added dropwise in a mixed liquor to be stirred, is mixed liquid B, another is
Mixed liquor A；
2) dimethylbenzene is added in the four-hole bottle that thermometer, blender, condenser pipe are housed, is warming up to 45-55 DEG C, ring is then added
Oxygen resin, the stirring of the side Bian Shengwen are warming up to 70-80 DEG C, mixed liquor A are then added drop-wise to flask until epoxy resin all dissolves
In, it reacts 10-15 minutes, is then added dropwise mixed liquid B, insulation reaction 2 hours；
3) finally it is cooled to 50 DEG C, it is 7-8 that agitation and dropping ammonium hydroxide, which is neutralized to system pH, insulated and stirred 10-30 minutes.
5. a kind of preparation process of Environmental-protection water-based ink, which is characterized in that the ink is prepared by following step:
Step 1: the preparation of antibacterial agent: the chitosan of 50-100g being dissolved in the hydrochloric acid solution of 0.2-0.5mol/L, is stirred
It to being completely dissolved, is precipitated with dehydrated alcohol, the solid ethanol washing of precipitation is drained, and vacuum drying obtains chitosan hydrochloride
Powder adds water to it in chitosan hydrochloride powder and is dissolved into solution, and then by N, bis- tertbutyloxycarbonyl thiocarbamide of N'- is added to
In solution, stirring to complete reaction is depressurized after cooling and is filtered, precipitated with dehydrated alcohol, the solid ethanol washing of precipitation, taken out
Dry, vacuum drying obtains anti-bacterial powders；
Step 2: the preparation of mill base: sequentially adding deionized water in three-necked flask first and ethyl alcohol is mixed, keep
At 55 DEG C of room temperature, revolving speed 1000r/min is stirred 5-10 minutes, then sequentially add epoxy modified acrylic resin, on
Anti-bacterial powders and lauryl sodium sulfate are stated, continues stirring 25-35 minutes, obtains mill base；
Step 3: the preparation of ink: will be sequentially added in above-mentioned mill base aqueous organic pigment, waterborne wax emulsion, aqueous levelling agent,
Long oil alkyd resin and antioxidant, and mixing speed is adjusted to 1500r/min, defoaming agent is added after twenty minutes, continues to stir
After mixing 1-2 hours, it is slowly added to ammonium hydroxide and adjusts pH be 8.0-9.5, obtain ink, ink is placed on three-roll grinder and is carried out instead
The ink that fineness is 10-20um is ground in multiple grinding；
Step 4: roll coated: the above-mentioned ink prepared being poured into the ink storage box (6) of coating unit, conveyer belt (2)
Plate is transported under nozzle (12), electric pushrod (15) pushes clamping plate (16) to fix plate, and U-shaped sliding block (7) is in sliding rail (3)
Upper sliding, band dynamic pressure roller (13) and nozzle (12) are mobile, and nozzle (12) sprays ink on plate, and pressure roller (13) is on plate
Ink carries out roll-in, and the roll-in in spray, back and forth once, i.e., sprayable roll-in are completed, and dries to get finished product is arrived.
6. a kind of preparation process of Environmental-protection water-based ink according to claim 5, which is characterized in that the coating unit packet
Including rack (1), conveyer belt (2), sliding rail (3), ink storage box (6), U-shaped sliding block (7), cylinder piston rod (11), nozzle (12),
The conveyer belt (2) runs through rack (1), and one end of the conveyer belt (2) is provided with inclined plate (10), the top of the rack (1)
Uniformly there are four installations cylinder piston rod (11), sliding rail (3), the sliding rail are fixedly connected at the top of four cylinder piston rods (11)
(3) it is fixedly connected at top center ink storage box (6), the two sides of the ink storage box (6) are connected by pipeline
Have the pump housing (5), two pump housings (5) are connect by delivery hose (4) with two nozzles (12)；
The bottom of the sliding rail (3) is fixedly connected with rack gear (20), slidably connects U-shaped sliding block (7), institute on the sliding rail (3)
The side for stating U-shaped sliding block (7) is fixedly connected with servo motor (17), the output shaft of the servo motor (17) and U-shaped sliding block (7)
The shaft (18) of hollow portion setting is fixedly connected, and the shaft (18) and U-shaped sliding block (7) are sequentially connected, on the shaft (18)
It is socketed with gear (19), the gear (19) engages connection with rack gear (20)；
The bottom of the U-shaped sliding block (7) is fixedly connected with fixed plate (8), and the bottom symmetrical of the fixed plate (8) is fixedly installed with
Four springs (14), every two spring (14) are fixedly connected with connecting rod (9) far from the one end of fixed plate (8), two connecting rods (9)
Bottom be connected with pressure roller (13), the bottom both ends of the fixed plate (8) are fixedly connected with nozzle (12).
7. a kind of preparation process of Environmental-protection water-based ink according to claim 6, which is characterized in that the connecting rod (9)
The setting in equilateral triangle between two springs (14).
8. a kind of preparation process of Environmental-protection water-based ink according to claim 6, which is characterized in that rack (1) phase
Adjacent two sides are fixedly connected to electric pushrod (15), and the side of the electric pushrod (15) is fixedly connected with clamping plate (16), described
Clamping plate (16) is trapezium structure.
9. a kind of preparation process of Environmental-protection water-based ink according to claim 6, which is characterized in that the nozzle (12) is
Rotatable nozzle.
10. a kind of preparation process of Environmental-protection water-based ink according to claim 6, which is characterized in that the rack (1)
Inside is equipped with accumulator tank (21), is uniformly provided with through-hole (22) on the conveyer belt (2).
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| CN116285492A (en) * | 2023-02-01 | 2023-06-23 | 玉林师范学院 | Water-based epoxy resin black ink and preparation method thereof |
| CN116445035A (en) * | 2023-04-25 | 2023-07-18 | 苏州中亚油墨有限公司 | Flexible plate water-based ink and preparation method thereof |
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Application publication date: 20190906 |