CN107384016A - A kind of wallpaper gravure Environmental-protection water-based ink and its production technology - Google Patents
A kind of wallpaper gravure Environmental-protection water-based ink and its production technology Download PDFInfo
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- CN107384016A CN107384016A CN201710838044.5A CN201710838044A CN107384016A CN 107384016 A CN107384016 A CN 107384016A CN 201710838044 A CN201710838044 A CN 201710838044A CN 107384016 A CN107384016 A CN 107384016A
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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
- 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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Abstract
A kind of wallpaper gravure Environmental-protection water-based ink and its production technology, the raw material of ink are made up of 0.1 ~ 0.5 part of pre- 50 ~ 70 parts of co-polypropylene acid filming emulsion base-material, 20 ~ 40 parts of pre-dispersed aqueous color paste, 5 ~ 10 parts of pure water, 1 ~ 5 part of aqueous polyurethane thickening fluid and organic silicon defoamer；The maximum raising production efficiency of its production technology energy, operational stability is strong, shortens the time of delivery；Product is free of organic solvent, meets People's Republic of China (PRC) environmental protection professional standard HJ/T 371 2007《Environmental labelling product technical requirements gravure ink and flexo ink》, and European Union EN71 3, ROHS examination criterias.
Description
Technical field
The present invention relates to wallpaper printing ink technical field, and in particular to a kind of wallpaper gravure Environmental-protection water-based ink and its life
Production. art.
Background technology
Ink is the important materials for packaging material printing, and it is shown pattern, word on stock by printing
Ink includes main component and auxiliary element, and they equably mix and form a kind of sticky colloidal fluid through repeat-rolling.
All traditional inks are all made up of photoghraphic coupler, film forming matter, solvent and auxiliary agent.In printing process, the use of ink
It can bring the problem of a lot, such as atmosphere pollution, water pollution, soil pollution, even penetrated on packing material in food,
Harm directly is produced to health.
With the fast development of China's economy, the packaging aesthetic consciousness and environmental consciousness of people improve constantly, and country is related
Policy put into effect and specific environmental requirement of the enterprise to export order in the world, wallpaper printing enterprise start a large amount of using environmental protection
Property ink substitute traditional solvent borne printing-ink, but technically remain some problems and do not capture well, hinder water-based
The fast development of ink.It is especially often the most key with stability control in its production performance.Because of most of fonnulators
Redesign formula when, typically using be all one be combined to two or more resin emulsions by the way of it is desired to reach oneself
Physical property requires, because domestic at present also want without what that single satisfaction formula design of resin energy produced to be reached
Ask, thus aggravated the unstability of ink；What another emulsion was respectively adopted is one to arrive Liang Jia manufacturers, and between each supplier
Production technology level difference, the compatibility robustness being extremely difficult to required for oneself, these problems are all the stability of ink product
Shade is buried.
In terms of production technology, because water-based ink is just to grow up recent years, many fonnulator's technologies
Also it is not very ripe, the production technology of traditional ink still use or similar, it is difficult to which to produce superior performance, quality is again steady
Fixed good product.Water-based ink adopts water as dissolution solvent, and the tall and big 72 dynes/cm of its surface tension, this polarity determines
Ink all reaches wetting without what image of Buddha solvent borne ink quickly allowed each material like that, is rapidly achieved its intermolecular active force flat
Weighing apparatus, slow drying speed, all serious quality-improving for hindering water-based ink product of the above develop with technology.
The content of the invention
For the present invention in order to overcome problems of the prior art, an object of the present invention is to provide a kind of wallpaper gravure
Environmental-protection water-based ink, the second purpose are to provide a kind of production technology of wallpaper gravure Environmental-protection water-based ink；Product can be improved
Rate of drying after stability and printing.
The present invention is that technical scheme is used by realizing the first purpose：A kind of wallpaper gravure Environmental-protection water-based ink, ink
Raw material be made up of the raw material of following parts by weight：Pre- 50 ~ 70 parts of co-polypropylene acid filming emulsion base-material, pre-dispersed aqueous color paste 20
0.1 ~ 0.5 part of ~ 40 parts, 5 ~ 10 parts of pure water, 1 ~ 5 part of aqueous polyurethane thickening fluid and organic silicon defoamer；Wherein, pre- copolymerization
Acrylic acid filming emulsion base-material consists of the following components in percentage by weight：Water-based pure-acrylic emulsion 30 ~ 60%, organic-silicon-modified benzene
Acrylic emulsion 10 ~ 30%, neutralizing amine pH adjusting agent 0.5 ~ 2%, sodium dihydrogen phosphate 1 ~ 3%, disodium hydrogen phosphate 0.5 ~ 1.5%, waterborne film-forming
Auxiliary agent 3 ~ 10%, propane diols 1 ~ 5%, nano modification calcium carbonate 3 ~ 4.5%, compounded mix 3 ~ 10%, water-based moistening flatting agent 0.5 ~ 2%,
Pure water 10 ~ 20% and organic silicon defoamer 0.2 ~ 1%.
Wherein, described water-based pure-acrylic emulsion is made up of acrylic emulsion A and acrylic emulsion B, acrylic emulsion A and third
Olefin(e) acid emulsion B weight ratio is 30 ~ 60：20 ~ 35, wherein, acrylic emulsion A Tg values are 70 ~ 105 DEG C, molecular weight》5000,
Solid content 45 ~ 48%, acid number 50 ~ 60, the mPas of viscosity 800 ~ 1000；Acrylic emulsion B Tg values are 20 ~ 50 DEG C, molecular weight
10000, solid content 46 ~ 50%, acid number 50 ~ 55, the mPas of viscosity 300 ~ 500.
Acrylic emulsion A molecular weight is medium, and particle diameter is small, and particle distribution is close, has outstanding bonding force, anti-after tack
It is good, good ink ink transfer and adaptability, pH value 8.0 ~ 8.5, density 1.05.Acrylic emulsion B film-forming temperatures are low, stronger
Adhesive force and levelability is preferably printed, good fluidity, contribute to printing adaptability, pH value 8.5 ~ 8.9, density 1.05.This two
The interworking ratio of kind emulsion can change according to the surface dry of printing finished product, and printed matter surface is more sticky, and interworking ratio is just
It is a little big that the high latex A of Tg values is occupied into ratio.So contribute to improve surface dry and after tack；If printed matter surface compared with
Dry and comfortable, adhesive force is bad, and the low emulsion B of Tg values is just occupied ratio greatly a little by interworking ratio, and emulsion B is a kind of control rheology energy
The filming emulsion of power, is mainly used as modifying agent, to improve the adhesive force of chromatography varnish, planarization, mobility and pliability, so
Be advantageous to improve printed matter surface adhesive force, strengthen its scratch resistance.
In the present invention, described waterborne film-forming auxiliary agent is esters higher boiling organic compound.Outward appearance is the net taste of water white transparency,
Without mechanical admixture, content >=99.5%, 275 DEG C of boiling point.The MFT of emulsion paint can be effectively reduced, improves emulsion paint
Scrub resistance and film quality；Filming performance is obviously improved, improves the glossiness, intensity and anti-grinded hardness index of paint film, is increased
Enter levelability；Excellent wet film performance, improve weatherability and color development.Easily in incorporation emulsion, and the not shadow under higher content
Ring the stability of coating；Paint film adhesion, scrub resistance are improved significantly.
In the present invention, described water-based moistening flatting agent is anionic surfactant.Hunter RS-60, tool can be selected
There is wetting, defoam, improve dispersiveness, improve the multiple functions such as mobility and levelability, can effectively reduce surface tension, control bubble
Foam, without APEO.The surface tension of water can be dropped to 18.0 ~ 20.0 dynes/cm by 72 dynes/cm, so as to printing element
Surface tension is close, improves adhesive force and the ink transfer of ink printing.
In the present invention, described neutralizing amine pH adjusting agent is triethanolamine.Alkalescence is lower than ammonia, can absorb CO2And H2S, its water
Solution alkaline, can be with inorganic acid or organic acid reaction generation salt, moreover it is possible to and higher fatty acids forms fat.Typically first matched somebody with somebody by liquefied ammonia
Certain density ammoniacal liquor is set to, is reacted afterwards with oxirane in the case of micro- heating.By be refining to obtain various purity without
The transparent product of color.There is moisture absorption, regulation pH value；For neutralizing resin emulsion, there is minimum toxicity in amine,
There is good can opening effect in water-based ink system.
In the present invention, described pre-dispersed aqueous color paste fineness average grain diameter is 1.0 ~ 2.5 μm.Can be according to different colors
It is required that and be adjusted the composition and ratio of mill base, allow it to allot the ink of different colours and different color contents, it is pre-dispersed
Mill base fineness average grain diameter is 1.0 ~ 2.5 μm, the ultra-fine complete cladding for contributing to filming emulsion of particle diameter, makes the molecule of color ink complete
It is intact, therefore it is favorably improved the glossiness and mobility of ink.
Preferably, the aqueous polyurethane thickening fluid in the present invention is a kind of low-shearing force association type polyurethane thickener,
With can be also uniformly dispersed well under very low mixing speed.Especially suitable for the thickening of water-based color ink, wadding is not produced
Solidifying, sedimentation, especially there is preferable effect with levelability to the tinting strength, tinting power for improving color ink.
The present invention is that technical scheme is used by realizing the second purpose：A kind of production of wallpaper gravure Environmental-protection water-based ink
Technique, comprise the following steps：
Step 1: according to 1g：0.5 ~ 1mL ratio, takes diatomite and butyl titanate successively, by diatomite ultrasonic disperse in ethanol
In solution, butyl titanate is then added, and adds ammonia spirit, the pH for adjusting solution is 9 ~ 10, after standing 2 ~ 5h at room temperature,
Centrifuge and use acetone and pure water washing and precipitating, dry, prefabricated material is made；According to 2g：100mL：0.5mL ratio, takes successively
Photocatalyst powder, deionized water and emulsifying agent are mixed, and after 20 ~ 35min of ultrasonic disperse, emulsify 30 ~ 35min, obtained light touches
Matchmaker's emulsion；According to 1g：10 ~ 12mL ratio, take prefabricated material and photo-catalytic emulsion to be mixed successively, filtered after stirring, dry,
Compounded mix is made, it is standby；
Step 2: adjusted according to the aqueous pure-acrylic emulsion of percentage by weight, silicone modified styrene-acrylate emulsion, neutralizing amine pH of component
It is agent, sodium dihydrogen phosphate, disodium hydrogen phosphate, waterborne film-forming auxiliary agent, propane diols, nano modification calcium carbonate, water-based moistening flatting agent, pure
Water purification, organic silicon defoamer and compounded mix made from step 1, it is standby；
Step 3: compounded mix made from sodium dihydrogen phosphate, disodium hydrogen phosphate and step 1 is added into grinder in the lump, it is ground into
Fineness is 10 ~ 15 μm of compound, and water-based pure-acrylic emulsion and silicone modified styrene-acrylate emulsion then are placed in into 24h in reactor
Afterwards, sequentially add pure water, waterborne film-forming auxiliary agent, propane diols, water-based moistening flatting agent, neutralizing amine pH adjusting agent, compound and
Nano modification calcium carbonate, after stirring 10 ~ 25min under 600 ~ 1000r/min rotating speed, organic silicon defoamer is added, continues to stir
20 ~ 30min is mixed, pre- co-polypropylene acid filming emulsion base-material is made, it is standby；
Step 4: pre-dispersed aqueous color paste, pure water, aqueous polyurethane thickening fluid, organosilicon is taken to disappear according to the parts by weight of raw material
Pre- co-polypropylene acid filming emulsion base-material made from infusion and step 3, raw material is placed in scattered a mixing bowl and carries out scattered stirring
30 ~ 45min, mixing speed are 600 ~ 1000r/min；Then stir the water-based ink filling that finishes by scattered, packaging turn into
Product.
Nano modification calcium carbonate in the present invention is made by following technique：Nano-calcium carbonate is placed in 60 ~ 70 DEG C of water-baths
In pot, the stearic acid that weight accounts for nano-calcium carbonate weight 2% is then added, side heating is simultaneously stirred, heating with 800r/min speed
Filtered, washed after 30min, and 10h is dried at 100 DEG C, depolymerization, nano modification calcium carbonate is made.
Beneficial effect：Modified nano-calcium carbonate, its end have chain alkyl, with pre- co-polypropylene acid filming emulsion
Base-material has good compatibility, improves the stability of ink；Meanwhile, it is capable to improve the glossiness of ink, fluidity and transparent
Degree；Can be compound with sodium dihydrogen phosphate, disodium hydrogen phosphate, improve the rate of drying of ink printing；Meanwhile sodium dihydrogen phosphate, phosphorus
Sour disodium hydrogen compounds with neutralizing amine pH adjusting agent, can adjust pH value.
Meanwhile modified nano-calcium carbonate particles are nanoscale, printing quality is not influenceed, printing is smooth and site is complete
It is whole；Possesses hydrophobic group, after coordinating with base-material, it is possible to increase the viscosity and printing performance of ink；The stream matched using the present invention
Flat agent and emulsion, the crocking resistance and and paper of finished product ink in the silicone layer of the mystery of film formation surface formation, can be improved
Adhesive force.
Diatomite surface has silicone hydroxyl group, can catch photohole, utilizes nano-scale made from butyl titanate
Titanium dioxide be distributed among the hole on diatomite surface, meanwhile, using photocatalyst to diatomite and titanium dioxide carry out portion
Subpackage is covered, and the formaldehyde of kieselguhr adsorption can be carried out resolving into water and carbon dioxide, improve the environmental-protecting performance of product of the present invention.
The maximum raising production efficiency of energy in production, operational stability is strong, shortens the time of delivery；Product is without organic molten
Agent, meet People's Republic of China (PRC) environmental protection professional standard HJ/T 371-2007《Environmental labelling product technical requirements gravure
Ink and flexo ink》, and European Union's EN71-3, ROHS examination criteria.
Embodiment
Technological means, creation characteristic and the purpose reached to realize the present invention readily appreciate, with reference to specific
Embodiment, the present invention is expanded on further, but scope of the present invention is not limited to be retouched in embodiment
The scope stated.
A kind of wallpaper gravure Environmental-protection water-based ink, the raw material of ink are made up of the raw material of following parts by weight：Pre- co-polypropylene
Sour 50 ~ 70 parts of filming emulsion base-material, 20 ~ 40 parts of pre-dispersed aqueous color paste, 5 ~ 10 parts of pure water, aqueous polyurethane thickening fluid 1 ~ 5
0.1 ~ 0.5 part of part and organic silicon defoamer；Wherein, pre- co-polypropylene acid filming emulsion base-material by following percentage by weight group
It is grouped into：Water-based pure-acrylic emulsion 30 ~ 60%, silicone modified styrene-acrylate emulsion 10 ~ 30%, neutralizing amine pH adjusting agent 0.5 ~ 2%, phosphoric acid
Sodium dihydrogen 1 ~ 3%, disodium hydrogen phosphate 0.5 ~ 1.5%, waterborne film-forming auxiliary agent 3 ~ 10%, propane diols 1 ~ 5%, nano modification calcium carbonate 3 ~
4.5%th, compounded mix 3 ~ 10%, water-based moistening flatting agent 0.5 ~ 2%, pure water 10 ~ 20% and organic silicon defoamer 0.2 ~ 1%.
Water-based pure-acrylic emulsion is made up of acrylic emulsion A and acrylic emulsion B, acrylic emulsion A and acrylic emulsion B's
Weight ratio is 30 ~ 60：20 ~ 35, wherein, acrylic emulsion A Tg values are 70 ~ 105 DEG C, molecular weight》5000, solid content 45 ~
48%, acid number 50 ~ 60, the mPas of viscosity 800 ~ 1000；Acrylic emulsion B Tg values are 20 ~ 50 DEG C, molecular weight 10000, admittedly contain
Amount 46 ~ 50%, acid number 50 ~ 55, the mPas of viscosity 300 ~ 500.Acrylic emulsion A and acrylic emulsion B are taken according to weight ratio, is put
In carrying out synthesis chemical reaction in reactor, film forming is copolymerized, after standing 24h, water-based pure-acrylic emulsion is made.
Organic pigment and 15% acrylic resin liquid and wetting and dispersing auxiliary agent are ground point by sand mill together
Dissipate, wetting, be finally ground into about 30 ~ 40% color content and there is the pre-dispersed aqueous color paste of 25 seconds/3# cups/250C mobility.
Preferably, waterborne film-forming auxiliary agent is esters higher boiling organic compound；Water-based moistening flatting agent is anionic table
Face activating agent；Neutralizing amine pH adjusting agent is triethanolamine.
Embodiment 1：Prepare international PANTONE Red
A kind of wallpaper gravure Environmental-protection water-based ink, the raw material of ink are made up of the raw material of following parts by weight：Pre- co-polypropylene acid into
62 parts of film emulsion binder, 30 parts of pre-dispersed aqueous color paste, 5 parts of pure water, 3 parts of aqueous polyurethane thickening fluid and organic silicon defoamer
0.2 part.
Wherein, pre-dispersed water-based color is the red slurry in R ~ 185, and fineness is 1.0 ~ 1.5 microns, and ultra-fine grain diameter is favorably improved water
The glossiness of ink, color content 33 ~ 38%, color content is high, bright in luster, saturation；Pure water be free from impurity or bacterium water or
It is made what is formed through the processing of other methods.
Organic silicon defoamer is that white to faint yellow emulsion liquid, Nanjing Huaxing produces, model：XPY-30, be it is a kind of by
The compositions such as polysiloxanes, white carbon, dispersant and stabilizer have it is excellent disappear, suds suppressing properties, can be after foam generation
Addition is added in product as suds component.
Aqueous polyurethane thickening fluid is white emulsion, and Li get Cai Environmental Protection Technology Co., Ltd of Fujian Province produces, model：Z-
302, it is a kind of modified low-shearing force association type polyurethanes thickening fluid, has good thickening property and stream for water-based color ink
Flat effect.It is according to the thickening mechanism of association type polyurethanes, due to drawing in such thickener molecule structure using this thickening fluid
Hydrophilic radical and hydrophobic grouping are entered, it is showed the property of certain surfactant；When its concentration of aqueous solution exceedes
During a certain certain concentration, micella is formed, micella and polymer particle associate to form network structure, make the increase of system viscosity.Due to
The micella active force of such thickener is better than adjacent latex particle and pigment molecule active force, causes latex to be layered, using this
Modified thickening liquid energy reduces micella molecular force in right amount, overcomes this defect, improves stable in water-based color ink system
Property；The forming steps of aqueous polyurethane thickening fluid：Produce 10% content aqueous polyurethane thickening fluid：First extract 450g pure water in
Stir in vessel, open mixer, rotating speed 600r/min, then the water for being slowly 50% toward the interior active ingredient for instilling 50g of vessel
Property in high shear force association type polyurethane thickener, after continuing stir about 15 ~ 20min, obtain 500g 10% content it is water-based poly-
Urethane thickening fluid.This manufacturing process should be noted whole additive order, otherwise, can cause to occur sticky higher and be not easy scattered
Process.
Exemplified by preparing the pre- co-polypropylene acid filming emulsion base-materials of 1000g, preparation method is：
1st, 500g aqueous acrylic emulsion A and 250g aqueous acrylic emulsion B, reactor is put into advance and starts to stir, is turned
Fast 1000r/min；React into more than 200,000 molecular weight, 20 ~ 60 acid numbers, 8.5 ~ 9.0pH values and the glass at 40 ~ 70 DEG C
Change temperature (Tg values).Solid content is about 30 ~ 40%, and viscosity is 300~1200mPas.
2nd, toward being slowly added to silicone modified styrene-acrylate emulsion 40g in reactor and first with 50 parts of pure water-reducible neutralizations
Amine pH adjusting agent 25g, this process should be noted by following process operations, otherwise, can cause creaming of emulsion occur, and flocculation separates out；
3rd, reactor temperature control persistently stirs 10min at a high speed at 50 DEG C；
4th, the solution 100g that premix is got togather is added（Wherein, pure water 10g, propane diols 10g, higher boiling coalescents 20g, phosphoric acid
Sodium dihydrogen 10g, disodium hydrogen phosphate 5g, nano modification calcium carbonate 10g, compounded mix 15g, water-based moistening flatting agent 20g）；
5th, waterborne organic silicon defoaming dosage 5g is added, persistently stirs 50min, rotating speed 800r/min；
6th, after finally adding 80g pure water stirring 10min, the pre- co-polypropylene acid filming emulsion base-materials of 1000g are obtained, filtering is quiet
It is standby to put 12h.
Wherein, according to 1g：0.9 ~ 1mL ratio, takes diatomite and butyl titanate successively, by diatomite ultrasonic disperse in second
In alcoholic solution, butyl titanate is then added, and adds ammonia spirit, the pH for adjusting solution is 9.5, stands 4 ~ 5h at room temperature
Afterwards, centrifuge and precipitated using acetone and pure water washing, dried, prefabricated material is made；According to 2g：100mL：0.5mL ratio, according to
It is secondary to take photocatalyst powder, deionized water and emulsifying agent to be mixed, after ultrasonic disperse 35min, 35min is emulsified, photocatalyst is made
Emulsion；According to 1g：12mL ratio, take prefabricated material and photo-catalytic emulsion to be mixed successively, filtered after stirring, dry, be made
Compounded mix.
Wherein, nano-calcium carbonate is placed in 70 DEG C of water-baths, then adds weight and account for the hard of nano-calcium carbonate weight 2%
Resin acid, side heating are simultaneously stirred with 800r/min speed, are filtered, washed after heating 30min, and dried at 100 DEG C
10h, depolymerization, nano modification calcium carbonate is made.
A kind of production technology of wallpaper gravure Environmental-protection water-based ink, comprises the following steps：
The first step：The acrylic resin liquid and wetting and dispersing auxiliary agent of organic pigment and 15% are ground by sand mill together
Scattered, wetting, finally it is ground into about 30 ~ 40% color content and there is the pre-dispersed water-based color of 25 seconds/3# cup/25 DEG C mobility
Slurry；
Second step, pre-dispersed aqueous color paste puts into a mixing bowl, then ground machine is ground to fineness to after 2 microns, according to pre- common
62 parts of polyacrylic acid filming emulsion base-material, 30 parts of pre-dispersed aqueous color paste, 5 parts of pure water, 3 parts of aqueous polyurethane thickening fluid and have
The parts by weight that 0.2 part of machine silicon defoaming agent take each raw material, are put into scattered a mixing bowl and carry out scattered stirring, scattered mixing time is
45min, mixing speed 600r/min, mixing speed is unsuitable too fast, otherwise can produce a large amount of bubbles, and it is stable to influence viscosity regulation
Property；
3rd step, the water-based ink filling for finishing scattered stirring, filtered and packaged with 200 mesh filter guiding principle as finished product.
Embodiment 2：Prepare international PANTONE Yellow
A kind of wallpaper gravure Environmental-protection water-based ink, the raw material of ink are made up of the raw material of following parts by weight：Pre- co-polypropylene acid into
65 parts of film emulsion binder, 25 parts of pre-dispersed aqueous color paste, 6 parts of pure water, 4 parts of aqueous polyurethane thickening fluid and organic silicon defoamer
0.5 part.
Wherein, pre-dispersed water-based color is Y ~ 25 parts of 83 yellow pulp, and fineness is 1.0 ~ 1.5 microns, and ultra-fine grain diameter helps to carry
The glossiness of high ink, color content 33 ~ 38%, color content is high, bright in luster, saturation.
Organic silicon defoamer is that white to faint yellow emulsion liquid, Nanjing Huaxing produces, model：XPY-30, be it is a kind of by
The compositions such as polysiloxanes, white carbon, dispersant and stabilizer have it is excellent disappear, suds suppressing properties, can be after foam generation
Addition is added in product as suds component.
Aqueous polyurethane thickening fluid is white emulsion, and Fujian Province is sharp that color ink is scientific and technological, model：Z-302, which is that one kind is low, to be cut
Shear force association type polyurethanes thickening fluid, play excellent thickening and printing levelling effect.Preparation method is the same as described in embodiment 1.
Exemplified by preparing the pre- co-polypropylene acid filming emulsion base-materials of 1500g, preparation method is：
1st, 750g aqueous acrylic emulsion A and 375g aqueous acrylic emulsion B, reactor is put into advance and starts to stir, is turned
Fast 1000r/min；React into more than 200,000 molecular weight, 20 ~ 60 acid numbers, 8.5 ~ 9.0pH values and the glass at 40 ~ 70 DEG C
Change temperature (Tg values).Solid content is about 30 ~ 40%, and viscosity is 300~1200mPas.
2nd, toward being slowly added to silicone modified styrene-acrylate emulsion 60g in reactor and first with 50 parts of pure water-reducible neutralizations
Amine pH adjusting agent 38g, this process should be noted by following process operations, otherwise, can cause creaming of emulsion occur, and flocculation separates out；
3rd, reactor temperature control persistently stirs 10min at a high speed at 50 DEG C；
4th, the solution 150g that premix is got togather is added（Wherein, pure water 20g, propane diols 20g, higher boiling coalescents 30g, phosphoric acid
Sodium dihydrogen 15g, disodium hydrogen phosphate 10g, nano modification calcium carbonate 15g, compounded mix 25g, water-based moistening flatting agent 15g）；
5th, waterborne organic silicon defoaming dosage 7g is added, persistently stirs 50min, rotating speed 800r/min；
6th, after finally adding 120g pure water stirring 10min, the pre- co-polypropylene acid filming emulsion base-materials of 1000g is obtained, are filtered
It is standby to stand 12h.
Wherein, according to 1g：0.5 ~ 0.6mL ratio, takes diatomite and butyl titanate successively, by diatomite ultrasonic disperse in
In ethanol solution, butyl titanate is then added, and adds ammonia spirit, the pH for adjusting solution is 10, stands 2 ~ 3h at room temperature
Afterwards, centrifuge and precipitated using acetone and pure water washing, dried, prefabricated material is made；According to 2g：100mL：0.5mL ratio, according to
It is secondary to take photocatalyst powder, deionized water and emulsifying agent to be mixed, after ultrasonic disperse 25min, 30min is emulsified, photocatalyst is made
Emulsion；According to 1g：11mL ratio, take prefabricated material and photo-catalytic emulsion to be mixed successively, filtered after stirring, dry, be made
Compounded mix.
Wherein, nano-calcium carbonate is placed in 65 DEG C of water-baths, then adds weight and account for the hard of nano-calcium carbonate weight 2%
Resin acid, side heating are simultaneously stirred with 800r/min speed, are filtered, washed after heating 30min, and dried at 100 DEG C
10h, depolymerization, nano modification calcium carbonate is made.
A kind of production technology of wallpaper gravure Environmental-protection water-based ink, comprises the following steps：
The first step：The acrylic resin liquid and wetting and dispersing auxiliary agent of organic pigment and 15% are ground by sand mill together
Scattered, wetting, finally it is ground into about 30 ~ 40% color content and there is the pre-dispersed water-based color of 25 seconds/3# cup/25 DEG C mobility
Slurry；
Second step, pre-dispersed aqueous color paste puts into a mixing bowl, then fineness is ground to after 2 microns through nano-level grinder, according to
Pre- 65 parts of co-polypropylene acid filming emulsion base-material, 25 parts of pre-dispersed aqueous color paste, 6 parts of pure water, 4 parts of aqueous polyurethane thickening fluid
Each raw material is taken with 0.5 part of parts by weight of organic silicon defoamer, scattered a mixing bowl is put into and carries out scattered stirring, scattered mixing time is
35min, mixing speed 1000r/min, mixing speed is unsuitable too fast, otherwise can produce a large amount of bubbles, and it is steady to influence viscosity regulation
It is qualitative；
3rd step, the water-based ink filling for finishing scattered stirring, filtered and packaged with 200 mesh filter guiding principle as finished product.
Above-described embodiment 1 and embodiment 2, through the detection of survey technology detection limited company of China of Shenzhen, its examining report
It is as follows：
Examining report one：
According to European Toy Safety Standards EN71-3：1994+AI：2000+AC：The migration of 2002 element-specifics.With acid extraction, adopt
Use inductively coupled plasma atomic emission spectrometry（ICP）Analysis test.
Report number RLSZE001447720002C, testing result are shown in Table 1：
The testing result of the examining report one of table 1
Examining report two：
According to customer requirement, to the lead in submitted sample（Pb）, cadmium（Cd）, mercury（Hg）, Cr VI（Cr（VI））, PBBs
（PBBs）, PBDEs（PBDEs）Tested.
Report number RSSZE001447720003C, testing result are shown in Table 2, table 3 and table 4：
The testing result of heavy metal in the examining report two of table 2
The testing result of PBBs in the examining report two of table 3
The testing result of PBDEs in the examining report two of table 4
Above example is only explanation of the invention, is not limitation of the present invention, and those skilled in the art are reading
The modification of no creative contribution can be made after complete this specification to the present embodiment as needed, but as long as in the power of the present invention
In sharp claimed range, all protected by Patent Law.
Claims (8)
- A kind of 1. wallpaper gravure Environmental-protection water-based ink, it is characterised in that：The raw material of ink is made up of the raw material of following parts by weight：In advance 50 ~ 70 parts of co-polypropylene acid filming emulsion base-material, 20 ~ 40 parts of pre-dispersed aqueous color paste, 5 ~ 10 parts of pure water, aqueous polyurethane increase 0.1 ~ 0.5 part of 1 ~ 5 part of magma and organic silicon defoamer；Wherein, pre- co-polypropylene acid filming emulsion base-material is by following weight hundred Divide the component composition of ratio：Water-based pure-acrylic emulsion 30 ~ 60%, silicone modified styrene-acrylate emulsion 10 ~ 30%, neutralizing amine pH adjusting agent 0.5 ~ 2%th, sodium dihydrogen phosphate 1 ~ 3%, disodium hydrogen phosphate 0.5 ~ 1.5%, waterborne film-forming auxiliary agent 3 ~ 10%, propane diols 1 ~ 5%, nano modification carbon Sour calcium 3 ~ 4.5%, compounded mix 3 ~ 10%, water-based moistening flatting agent 0.5 ~ 2%, pure water 10 ~ 20% and organic silicon defoamer 0.2 ~1%。
- A kind of 2. wallpaper gravure Environmental-protection water-based ink as claimed in claim 1, it is characterised in that：Described water-based pure-acrylic emulsion It is made up of acrylic emulsion A and acrylic emulsion B, acrylic emulsion A and acrylic emulsion B weight ratio is 30 ~ 60：20 ~ 35, Wherein, acrylic emulsion A Tg values are 70 ~ 105 DEG C, molecular weight》5000, solid content 45 ~ 48%, acid number 50 ~ 60, viscosity 800 ~ 1000 mPa·s；Acrylic emulsion B Tg values are 20 ~ 50 DEG C, molecular weight 10000, solid content 46 ~ 50%, acid number 50 ~ 55, are glued Spend 300 ~ 500 mPas.
- A kind of 3. wallpaper gravure Environmental-protection water-based ink as claimed in claim 1, it is characterised in that：Described waterborne film-forming auxiliary agent For esters higher boiling organic compound.
- A kind of 4. wallpaper gravure Environmental-protection water-based ink as claimed in claim 1, it is characterised in that：Described water-based wetting levelling Agent is anionic surfactant.
- A kind of 5. wallpaper gravure Environmental-protection water-based ink as claimed in claim 1, it is characterised in that：Described neutralizing amine pH regulations Agent is triethanolamine.
- A kind of 6. wallpaper gravure Environmental-protection water-based ink as claimed in claim 1, it is characterised in that：Described pre-dispersed water-based color It is 1.0 ~ 2.5 μm to starch fineness average grain diameter.
- 7. prepare a kind of method of wallpaper gravure Environmental-protection water-based ink as claimed in claim 1, it is characterised in that including following Step：Step 1: according to 1g：0.5 ~ 1mL ratio, takes diatomite and butyl titanate successively, by diatomite ultrasonic disperse in ethanol In solution, butyl titanate is then added, and adds ammonia spirit, the pH for adjusting solution is 9 ~ 10, after standing 2 ~ 5h at room temperature, Centrifuge and use acetone and pure water washing precipitation, dry, be made prefabricated material；According to 2g：100mL：0.5mL ratio, successively Take photocatalyst powder, deionized water and emulsifying agent to be mixed, after 20 ~ 35min of ultrasonic disperse, emulsify 30 ~ 35min, light is made Catalyst emulsion；According to 1g：10 ~ 12mL ratio, take prefabricated material and photo-catalytic emulsion to be mixed successively, filtered after stirring, dry It is dry, compounded mix is made, it is standby；Step 2: adjusted according to the aqueous pure-acrylic emulsion of percentage by weight, silicone modified styrene-acrylate emulsion, neutralizing amine pH of component It is agent, sodium dihydrogen phosphate, disodium hydrogen phosphate, waterborne film-forming auxiliary agent, propane diols, nano modification calcium carbonate, water-based moistening flatting agent, pure Water purification, organic silicon defoamer and compounded mix made from step 1, it is standby；Step 3: compounded mix made from sodium dihydrogen phosphate, disodium hydrogen phosphate and step 1 is added into grinder in the lump, it is ground into Fineness is 10 ~ 15 μm of compound, and water-based pure-acrylic emulsion and silicone modified styrene-acrylate emulsion then are placed in into 24h in reactor Afterwards, sequentially add pure water, waterborne film-forming auxiliary agent, propane diols, water-based moistening flatting agent, neutralizing amine pH adjusting agent, compound and Nano modification calcium carbonate, after stirring 10 ~ 25min under 600 ~ 1000r/min rotating speed, organic silicon defoamer is added, continues to stir 20 ~ 30min is mixed, pre- co-polypropylene acid filming emulsion base-material is made, it is standby；Step 4: pre-dispersed aqueous color paste, pure water, aqueous polyurethane thickening fluid, organosilicon is taken to disappear according to the parts by weight of raw material Pre- co-polypropylene acid filming emulsion base-material made from infusion and step 3, raw material is placed in scattered a mixing bowl and carries out scattered stirring 30 ~ 45min, mixing speed are 600 ~ 1000r/min；Then stir the water-based ink filling that finishes by scattered, packaging turn into Product.
- 8. a kind of method of wallpaper gravure Environmental-protection water-based ink is prepared as claimed in claim 7, it is characterised in that nano modification Calcium carbonate is made by following technique：Nano-calcium carbonate is placed in 60 ~ 70 DEG C of water-baths, weight is then added and accounts for nano-calcium carbonate The stearic acid of calcium weight 2%, side heating are simultaneously stirred with 800r/min speed, are filtered, washed after heating 30min, and in 10h is dried at 100 DEG C, depolymerization, nano modification calcium carbonate is made.
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| CN108248236A (en) * | 2018-02-02 | 2018-07-06 | 浙江迈高工艺礼品有限公司 | A kind of embossment reflex printing method |
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| CN112094534A (en) * | 2020-09-27 | 2020-12-18 | 湖北淡雅香生物科技股份有限公司 | Defoaming-treated flexible printing environment-friendly tipping paper water-based ink and preparation method thereof |
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Application publication date: 20171124 |