CN106752357A - The preparation method of medical package ink composite - Google Patents
The preparation method of medical package ink composite Download PDFInfo
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- CN106752357A CN106752357A CN201510851147.6A CN201510851147A CN106752357A CN 106752357 A CN106752357 A CN 106752357A CN 201510851147 A CN201510851147 A CN 201510851147A CN 106752357 A CN106752357 A CN 106752357A
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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
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses the preparation method of medical package ink composite, including following operation：1）To methyl methacrylate, butyl acrylate, acrylic acid and hydroxy-ethyl acrylate is added in reactor, polymerization obtains mixed monomer solution；2）Primary solution is obtained to azodiisobutyronitrile and DAAM stirring is added in mixed monomer solution；3）To propylene glycol methyl ether acetate and dimethylformamide is added in flask, secondary solvent liquid is mixed to get；4）To triethylamine, ammoniacal liquor, distilled water and PH conditioning agents is added in secondary solution, waterborne acrylic paint is obtained；5）To waterborne acrylic paint, acrylic acid ester emulsion, aqueous color paste, deionized water and defoamer is added in dispersion tank, stirring obtains crude product；6）Coalescents and defoamer are added in crude product, stirring obtains medical package ink composite.By the obtained medical package ink composite of invention, the first-class film coloring of PE/PP films and adhesive force were both may remain in, the water resistance and film forming of film can also have been improved.
Description
Technical field
The present invention relates to technical field of ink, more particularly, to the preparation method of medical package ink composite.
Background technology
In the case of environmental protection consciousness is gradually enhanced, especially in food, toy for children and medical package field, water-based ink finally necessarily replaces solvent-based ink.But the aqueous solvent of water-based ink is polar material, it is generally difficult in the Plastic film surface such as PP, PE, OPP, PO wetting of low polarity.Adhesive force on a plastic film is improved, needs emphasis to consider the cohesive force size of link stuff and plastic sheeting when water-based ink is equipped with.Because waterborne acrylic paint has the advantages that color is shallow, transparency is high, good weatherability；Water-and acrylate emulsion has excellent coating film gloss degree, hardness and water resistance, thus they are widely used in field of product packaging.At present, water-and acrylate emulsion is still present the problem of film forming difference and poor adhesive force on PE/PP films；And waterborne acrylic paint generally improves the adhesive force of film using high-temperature cross-linking solidification, but easily curling deforms during PE/PP thin film high temperatures, and other performances on PE/PP films can not also meet demand.
The content of the invention
The purpose of the present invention is the defect for overcoming above-mentioned prior art, the preparation method of medical package ink composite is provided, ink can not only have excellent tinting strength, tinting power, adhesive force, resistance to blocking and resistance to dry friction on PE/PP films as obtained in the present invention, also with good water resistance and moisture-proof frictional property.
The purpose of the present invention is achieved through the following technical solutions：
The preparation method of medical package ink composite, including following operation：
1）To methyl methacrylate, butyl acrylate, acrylic acid and hydroxy-ethyl acrylate is added in reactor, polymerization obtains mixed monomer solution, standby；
2）To operation 1）Azodiisobutyronitrile and DAAM are added in the mixed monomer solution of gained, at a temperature of 25 DEG C, 20min is stirred by the rotating speed of 350 ~ 500r/min, obtain primary solution, it is standby；
3）A flask is taken, to oxygen vinethene, Sodium Polyacrylate, propylene glycol methyl ether acetate and dimethylformamide is added in the flask, solvent liquid is mixed to get, 75 ~ 90 DEG C are heated to, then to the operation 2 is at the uniform velocity added dropwise in solvent liquid）The primary solution of gained, time for adding controls the reaction temperature control in 2h ~ 4h, dropwise addition that 80 ~ 90 DEG C are maintained the temperature at 75 ~ 90 DEG C, after completion of dropping, stands 2h ~ 4h, obtains secondary solution, standby；
4）Temperature is controlled at 40 ~ 50 DEG C, to operation 3）Polyamide wax, triethylamine, ammoniacal liquor, distilled water and PH conditioning agents are added in the secondary solution of gained, regulation pH value is 8 ~ 9, adds adipic dihydrazide, well mixed to obtain waterborne acrylic paint, standby；
5）A dispersion tank is taken, acrylic acid ester emulsion, aqueous color paste, deionized water, defoamer and operation 4 is added thereto to）The waterborne acrylic paint of gained, at a temperature of 25 DEG C, 15min is stirred by the rotating speed of 800 ~ 1200r/min, obtains crude product, standby；
6）To operation 5）Coalescents and defoamer are added in the crude product of gained, at a temperature of 25 DEG C, 10min is stirred by the rotating speed of 300 ~ 500r/min, obtain medical package ink composite；
The quality proportioning of each constituent of waterborne acrylic paint is：12 ~ 18 parts of methyl methacrylate, 12 ~ 18 parts of butyl acrylate, 4 ~ 8 parts of acrylic acid, 1.5 ~ 2.5 parts of hydroxy-ethyl acrylate, 0.5 ~ 1 part of DAAM, 33 ~ 46 parts of propylene glycol methyl ether acetate, 16 ~ 23 parts of dimethylformamide, 3 ~ 6 parts of oxygen vinethene, 1 ~ 3 part of Sodium Polyacrylate, 1 ~ 3 part of polyamide wax, 0.5 ~ 1 part of azodiisobutyronitrile, 0.5 ~ 0.8 part of adipic dihydrazide, 1.5 ~ 3 parts of triethylamine, 1 ~ 3 part of ammoniacal liquor, 80 ~ 160 parts of distilled water；The mass fraction of each constituent of medical package ink composite is：Waterborne acrylic paint 50 ~ 60%, acrylic acid ester emulsion 15 ~ 25%, aqueous color paste 15 ~ 25%, deionized water 10 ~ 20%, coalescents 0.2 ~ 0.5%, defoamer 0.2 ~ 0.3%, balance of ammoniacal liquor.
Using waterborne acrylic paint and acrylic acid ester emulsion as link stuff in the present invention, their performance determines the performance of water-based ink substantially, specifically, the water solubility of link stuff is not only related to the storage stability of water-based ink and printing applies membrane process, also affects the printing quality of ink.The solid content of waterborne acrylic paint is relatively low, and to the good dispersion of dispersible pigment color paste, the coloring on PE/PP films is fabulous, and adhesive force is high.The solid content of acrylic acid ester emulsion is higher, and the coloring on PE/PP films is poor, but its water-resistance property of coating and moisture-proof frictional property are preferable.Both are compounded as link stuff, can both keep water-based ink in the first-class film coloring of PE/PP films and adhesive force, water resistance, the film forming of film can also be improved.Water-based ink, due to constantly to grind, stir, can produce a large amount of bubbles unavoidably in preparation process is produced, and can so influence packaging and film performance.Thus the present invention is added micro defoamer, so can effectively alleviate above mentioned problem.Also known as coalescing aid, it can promote the moulding flowing of macromolecular compound and elastic deformation to coalescents, improve coalescence performance.
The water solubility of resin is mainly related to hydrophilic radical and content.According to the drying at room temperature film forming of PE/PP film curing inks, while to reach excellent combination property, waterborne acrylic paint is polymerized from following component：, used as hard monomer, its glass transition temperature is high, can so improve hardness, weatherability and water resistance of polymer etc. for methyl methacrylate.Butyl acrylate can improve the pliability of glued membrane as soft monomer, increase film adhesive.Acrylic acid and hydroxy-ethyl acrylate, containing hydrophilic groups, hydroxyl etc., can improve the water solubility of polymer, and then cause that resin property is more stablized as hydrophilic monomer.DAAM is used as cross-linking monomer, adipic dihydrazide is used as crosslinking agent, DAAM can introduce the amino low-temperature self-crosslinking of reactive group ketone carbonyl and adipic dihydrazide, allow that resin occurs self-crosslinking reaction in low temperature, the performances such as adhesive force, hardness and the water resistance of film so can be not only improved, can be also applied on PE/PP films.In Raolical polymerizable, polymerization speed depends primarily on the speed of trigger rate, and trigger rate is related to the species of initiator.From azodiisobutyronitrile as initiator, it can react at a lower polymerization temperature, and low viscosity, resin of light color can be obtained.In solution polymerization process, solvent can be produced a very large impact to polymerisation and polymerizate, and from propylene glycol methyl ether acetate as main solvent, existing ehter bond has carbonyl to the present invention again in its molecular structural formula, and carbonyl yet forms both the structure of ester group, also with alkyl；It is provided simultaneously with non-polar group and polar group, and this two parts group both mutually repelled by restriction, there is respective effect again, therefore, it can dissolve polarity and apolar substance.From dimethylformamide as cosolvent, it can be miscible with water, alcohols and alcohol ethers material.After from triethylamine and ammoniacal liquor as nertralizer, they can neutralize the carboxylic monomer in synthetic resin to the present invention, and the carboxyl in resin only has and neutralizes into salt, resin just has good aqueous stability.With the raising of degree of neutralization, the enhanced dissolution rate of resin, resin transparent degree is also become better and better, while viscosity is also bigger.But viscosity is too high, film difficulty is increased during resin compounding use, easy occluding device.To reach the balance between aqueous stability, viscosity and transparency, the water-base resin of 90% degree of neutralization is can select.
The glass transition temperature appropriate to obtain resinous polymer, further, the total number of the methyl methacrylate, the butyl acrylate, the acrylic acid and the hydroxy-ethyl acrylate is a, the number of the methyl methacrylate is a*55%, and the number of the butyl acrylate is a*30%.Because the construction temperature of water-based ink can not be too high, thus the MFT of water-base resin is controlled on the premise of changing firmness requirements when ensureing to reach resin film forming.Balance by controlling the number of hard monomer and soft monomer to adjust the glass transformation temperature of resin to reach between hardness and MFT of the invention.
To reach good aqueous stability and film performance, further, acrylic acid number is a*9.2%, and the number of the hydroxy-ethyl acrylate is a*5.8%.Acrylic acid is mainly the adhesive force of the aqueous stability and film that improve resin；Hydroxy-ethyl acrylate is primarily introduced into reactive group hydroxyl, improves the aqueous stability of resin, improves the adhesive force and the degree of cross linking of film after reacting.
Further, the total number of the methyl methacrylate, the butyl acrylate, the acrylic acid, the hydroxy-ethyl acrylate and DAAM is b, and the number of the azodiisobutyronitrile is b*2%.In polymerisation, the concentration of azodiisobutyronitrile is inversely proportional to the molecular weight of polymer.Specifically, with the increase of dosage of azodiisobutyronitrile, the molecular weight low amplitude of resinous polymer diminishes, and especially when consumption increases to b*2% from b*1%, influences unobvious；And when dosage of azodiisobutyronitrile is too high, reacting the heat for producing is difficult to control, danger can be brought to a large amount of productions.Additionally, azodiisobutyronitrile is relatively costly, storage and transport are also fairly cumbersome, and consumption excessively can also increase product cost.Thus, the present invention is controlled the 2% of the total consumption of monomer the consumption of azodiisobutyronitrile under the conditions of the molecular weight for meeting resin application performance.
Further, the propylene glycol methyl ether acetate and the mass ratio of the dimethylformamide are 2:1.From this mass ratio mixed solvent when, the water-soluble good of synthetic resin, good fluidity, transparency are high.
Further, the adipic dihydrazide and the mass ratio of the azodiisobutyronitrile are 4:5.The adipic dihydrazide can produce influence with the mass ratio of the azodiisobutyronitrile on the film degree of cross linking, water absorption rate and hardness.From the mass ratio, the excellent degree of cross linking and hardness and the water absorption rate compared with ground can be obtained.
Further, the coalescents are propane diolsMethyl etherAcetate；The defoamer is dimethicone.
The invention has the advantages that：The medical package ink composite as obtained in the present invention both may remain in the first-class film coloring of PE/PP films and adhesive force, can also improve water resistance, moisture-proof frictional property and the film forming of film.Waterborne acrylic paint is polymerized from following component：From methyl methacrylate as hard monomer, its glass transition temperature is high, can so improve hardness, weatherability and water resistance of polymer etc..From butyl acrylate as soft monomer, the pliability of glued membrane can be improved, increase film adhesive.From acrylic acid and hydroxy-ethyl acrylate as hydrophilic monomer, containing hydrophilic groups, hydroxyl etc., the water solubility of polymer can be improved, and then cause that resin property is more stablized.From DAAM as cross-linking monomer, adipic dihydrazide is used as crosslinking agent, DAAM can introduce the amino low-temperature self-crosslinking of reactive group ketone carbonyl and adipic dihydrazide, allow that resin occurs self-crosslinking reaction in low temperature, the performances such as adhesive force, hardness and the water resistance of film so can be not only improved, can be also applied on PE/PP films.After from triethylamine and ammoniacal liquor as nertralizer, they can neutralize the carboxylic monomer in synthetic resin to the present invention, and the carboxyl in resin only has and neutralizes into salt, resin just has good aqueous stability.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention not limited to this.
Embodiment 1
The preparation method of medical package ink composite, including following operation：
1）To methyl methacrylate, butyl acrylate, acrylic acid and hydroxy-ethyl acrylate is added in reactor, polymerization obtains mixed monomer solution, standby；
2）To operation 1）Azodiisobutyronitrile and DAAM are added in the mixed monomer solution of gained, at a temperature of 25 DEG C, 20min is stirred by the rotating speed of 350 ~ 500r/min, obtain primary solution, it is standby；
3）A flask is taken, to oxygen vinethene, Sodium Polyacrylate, propylene glycol methyl ether acetate and dimethylformamide is added in the flask, solvent liquid is mixed to get, 75 ~ 90 DEG C are heated to, then to the operation 2 is at the uniform velocity added dropwise in solvent liquid）The primary solution of gained, time for adding controls the reaction temperature control in 2h ~ 4h, dropwise addition that 80 ~ 90 DEG C are maintained the temperature at 75 ~ 90 DEG C, after completion of dropping, stands 2h ~ 4h, obtains secondary solution, standby；
4）Temperature is controlled at 40 ~ 50 DEG C, to operation 3）Polyamide wax, triethylamine, ammoniacal liquor, distilled water and PH conditioning agents are added in the secondary solution of gained, regulation pH value is 8 ~ 9, adds adipic dihydrazide, well mixed to obtain waterborne acrylic paint, standby；
5）A dispersion tank is taken, acrylic acid ester emulsion, aqueous color paste, deionized water, defoamer and operation 4 is added thereto to）The waterborne acrylic paint of gained, at a temperature of 25 DEG C, 15min is stirred by the rotating speed of 800 ~ 1200r/min, obtains crude product, standby；
6）To operation 5）Coalescents and defoamer are added in the crude product of gained, at a temperature of 25 DEG C, 10min is stirred by the rotating speed of 300 ~ 500r/min, obtain medical package ink composite；
The quality proportioning of each constituent of waterborne acrylic paint is：12 ~ 18 parts of methyl methacrylate, 12 ~ 18 parts of butyl acrylate, 4 ~ 8 parts of acrylic acid, 1.5 ~ 2.5 parts of hydroxy-ethyl acrylate, 0.5 ~ 1 part of DAAM, 33 ~ 46 parts of propylene glycol methyl ether acetate, 16 ~ 23 parts of dimethylformamide, 3 ~ 6 parts of oxygen vinethene, 1 ~ 3 part of Sodium Polyacrylate, 1 ~ 3 part of polyamide wax, 0.5 ~ 1 part of azodiisobutyronitrile, 0.5 ~ 0.8 part of adipic dihydrazide, 1.5 ~ 3 parts of triethylamine, 1 ~ 3 part of ammoniacal liquor, 80 ~ 160 parts of distilled water；The mass fraction of each constituent of medical package ink composite is：Waterborne acrylic paint 50 ~ 60%, acrylic acid ester emulsion 15 ~ 25%, aqueous color paste 15 ~ 25%, deionized water 10 ~ 20%, coalescents 0.2 ~ 0.5%, defoamer 0.2 ~ 0.3%, balance of ammoniacal liquor.
Using waterborne acrylic paint and acrylic acid ester emulsion as link stuff in the present invention, their performance determines the performance of water-based ink substantially, specifically, the water solubility of link stuff is not only related to the storage stability of water-based ink and printing applies membrane process, also affects the printing quality of ink.The solid content of waterborne acrylic paint is relatively low, and to the good dispersion of dispersible pigment color paste, the coloring on PE/PP films is fabulous, and adhesive force is high.The solid content of acrylic acid ester emulsion is higher, and the coloring on PE/PP films is poor, but its water-resistance property of coating and moisture-proof frictional property are preferable.Both are compounded as link stuff, can both keep water-based ink in the first-class film coloring of PE/PP films and adhesive force, water resistance, the film forming of film can also be improved.Water-based ink, due to constantly to grind, stir, can produce a large amount of bubbles unavoidably in preparation process is produced, and can so influence packaging and film performance.Thus the present invention is added micro defoamer, so can effectively alleviate above mentioned problem.Also known as coalescing aid, it can promote the moulding flowing of macromolecular compound and elastic deformation to coalescents, improve coalescence performance.
The water solubility of resin is mainly related to hydrophilic radical and content.According to the drying at room temperature film forming of PE/PP film curing inks, while to reach excellent combination property, waterborne acrylic paint is polymerized from following component：, used as hard monomer, its glass transition temperature is high, can so improve hardness, weatherability and water resistance of polymer etc. for methyl methacrylate.Butyl acrylate can improve the pliability of glued membrane as soft monomer, increase film adhesive.Acrylic acid and hydroxy-ethyl acrylate, containing hydrophilic groups, hydroxyl etc., can improve the water solubility of polymer, and then cause that resin property is more stablized as hydrophilic monomer.DAAM is used as cross-linking monomer, adipic dihydrazide is used as crosslinking agent, DAAM can introduce the amino low-temperature self-crosslinking of reactive group ketone carbonyl and adipic dihydrazide, allow that resin occurs self-crosslinking reaction in low temperature, the performances such as adhesive force, hardness and the water resistance of film so can be not only improved, can be also applied on PE/PP films.In Raolical polymerizable, polymerization speed depends primarily on the speed of trigger rate, and trigger rate is related to the species of initiator.From azodiisobutyronitrile as initiator, it can react at a lower polymerization temperature, and low viscosity, resin of light color can be obtained.In solution polymerization process, solvent can be produced a very large impact to polymerisation and polymerizate, and from propylene glycol methyl ether acetate as main solvent, existing ehter bond has carbonyl to the present invention again in its molecular structural formula, and carbonyl yet forms both the structure of ester group, also with alkyl；It is provided simultaneously with non-polar group and polar group, and this two parts group both mutually repelled by restriction, there is respective effect again, therefore, it can dissolve polarity and apolar substance.From dimethylformamide as cosolvent, it can be miscible with water, alcohols and alcohol ethers material.After from triethylamine and ammoniacal liquor as nertralizer, they can neutralize the carboxylic monomer in synthetic resin to the present invention, and the carboxyl in resin only has and neutralizes into salt, resin just has good aqueous stability.With the raising of degree of neutralization, the enhanced dissolution rate of resin, resin transparent degree is also become better and better, while viscosity is also bigger.But viscosity is too high, film difficulty is increased during resin compounding use, easy occluding device.To reach the balance between aqueous stability, viscosity and transparency, the water-base resin of 90% degree of neutralization is can select.
The glass transition temperature appropriate to obtain resinous polymer, preferably, the total number of the methyl methacrylate, the butyl acrylate, the acrylic acid and the hydroxy-ethyl acrylate is a, and the number of the methyl methacrylate is a*55%, and the number of the butyl acrylate is a*30%.Because the construction temperature of water-based ink can not be too high, thus the MFT of water-base resin is controlled on the premise of changing firmness requirements when ensureing to reach resin film forming.Balance by controlling the number of hard monomer and soft monomer to adjust the glass transformation temperature of resin to reach between hardness and MFT of the invention.
To reach good aqueous stability and film performance, it is preferable that acrylic acid number is a*9.2%, and the number of the hydroxy-ethyl acrylate is a*5.8%.Acrylic acid is mainly the adhesive force of the aqueous stability and film that improve resin；Hydroxy-ethyl acrylate is primarily introduced into reactive group hydroxyl, improves the aqueous stability of resin, improves the adhesive force and the degree of cross linking of film after reacting.
Preferably, the total number of the methyl methacrylate, the butyl acrylate, the acrylic acid, the hydroxy-ethyl acrylate and DAAM is b, and the number of the azodiisobutyronitrile is b*2%.In polymerisation, the concentration of azodiisobutyronitrile is inversely proportional to the molecular weight of polymer.Specifically, with the increase of dosage of azodiisobutyronitrile, the molecular weight low amplitude of resinous polymer diminishes, and especially when consumption increases to b*2% from b*1%, influences unobvious；And when dosage of azodiisobutyronitrile is too high, reacting the heat for producing is difficult to control, danger can be brought to a large amount of productions.Additionally, azodiisobutyronitrile is relatively costly, storage and transport are also fairly cumbersome, and consumption excessively can also increase product cost.Thus, the present invention is controlled the 2% of the total consumption of monomer the consumption of azodiisobutyronitrile under the conditions of the molecular weight for meeting resin application performance.
Preferably, the propylene glycol methyl ether acetate and the mass ratio of the dimethylformamide are 2:1.From this mass ratio mixed solvent when, the water-soluble good of synthetic resin, good fluidity, transparency are high.
Preferably, the adipic dihydrazide and the mass ratio of the azodiisobutyronitrile are 4:5.The adipic dihydrazide can produce influence with the mass ratio of the azodiisobutyronitrile on the film degree of cross linking, water absorption rate and hardness.From the mass ratio, the excellent degree of cross linking and hardness and the water absorption rate compared with ground can be obtained.
Preferably, the coalescents are propane diolsMethyl etherAcetate；The defoamer is dimethicone.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, the other embodiment drawn in the case where technical scheme is not departed from should be included within the scope of the present invention.
Claims (7)
1. the preparation method of medical package ink composite, it is characterised in that：Including following operation：
1）To methyl methacrylate, butyl acrylate, acrylic acid and hydroxy-ethyl acrylate is added in reactor, polymerization obtains mixed monomer solution, standby；
2）To operation 1）Azodiisobutyronitrile and DAAM are added in the mixed monomer solution of gained, at a temperature of 25 DEG C, 20min is stirred by the rotating speed of 350 ~ 500r/min, obtain primary solution, it is standby；
3）A flask is taken, to oxygen vinethene, Sodium Polyacrylate, propylene glycol methyl ether acetate and dimethylformamide is added in the flask, solvent liquid is mixed to get, 75 ~ 90 DEG C are heated to, then to the operation 2 is at the uniform velocity added dropwise in solvent liquid）The primary solution of gained, time for adding controls the reaction temperature control in 2h ~ 4h, dropwise addition that 80 ~ 90 DEG C are maintained the temperature at 75 ~ 90 DEG C, after completion of dropping, stands 2h ~ 4h, obtains secondary solution, standby；
4）Temperature is controlled at 40 ~ 50 DEG C, to operation 3）Polyamide wax, triethylamine, ammoniacal liquor, distilled water and PH conditioning agents are added in the secondary solution of gained, regulation pH value is 8 ~ 9, adds adipic dihydrazide, well mixed to obtain waterborne acrylic paint, standby；
5）A dispersion tank is taken, acrylic acid ester emulsion, aqueous color paste, deionized water, defoamer and operation 4 is added thereto to）The waterborne acrylic paint of gained, at a temperature of 25 DEG C, 15min is stirred by the rotating speed of 800 ~ 1200r/min, obtains crude product, standby；
6）To operation 5）Coalescents and defoamer are added in the crude product of gained, at a temperature of 25 DEG C, 10min is stirred by the rotating speed of 300 ~ 500r/min, obtain medical package ink composite；
The quality proportioning of each constituent of waterborne acrylic paint is：12 ~ 18 parts of methyl methacrylate, 12 ~ 18 parts of butyl acrylate, 4 ~ 8 parts of acrylic acid, 1.5 ~ 2.5 parts of hydroxy-ethyl acrylate, 0.5 ~ 1 part of DAAM, 33 ~ 46 parts of propylene glycol methyl ether acetate, 16 ~ 23 parts of dimethylformamide, 3 ~ 6 parts of oxygen vinethene, 1 ~ 3 part of Sodium Polyacrylate, 1 ~ 3 part of polyamide wax, 0.5 ~ 1 part of azodiisobutyronitrile, 0.5 ~ 0.8 part of adipic dihydrazide, 1.5 ~ 3 parts of triethylamine, 1 ~ 3 part of ammoniacal liquor, 80 ~ 160 parts of distilled water；The mass fraction of each constituent of medical package ink composite is：Waterborne acrylic paint 50 ~ 60%, acrylic acid ester emulsion 15 ~ 25%, aqueous color paste 15 ~ 25%, deionized water 10 ~ 20%, coalescents 0.2 ~ 0.5%, defoamer 0.2 ~ 0.3%, balance of ammoniacal liquor.
2. the preparation method of medical package ink composite according to claim 1, it is characterised in that：The total number of the methyl methacrylate, the butyl acrylate, the acrylic acid and the hydroxy-ethyl acrylate is a, and the number of the methyl methacrylate is a*55%, and the number of the butyl acrylate is a*30%.
3. the preparation method of medical package ink composite according to claim 2, it is characterised in that：Acrylic acid number is a*9.2%, and the number of the hydroxy-ethyl acrylate is a*5.8%.
4. the preparation method of medical package ink composite according to claim 3, it is characterised in that：The total number of the methyl methacrylate, the butyl acrylate, the acrylic acid, the hydroxy-ethyl acrylate and DAAM is b, and the number of the azodiisobutyronitrile is b*2%.
5. the preparation method of medical package ink composite according to claim 4, it is characterised in that：The propylene glycol methyl ether acetate is 2 with the mass ratio of the dimethylformamide:1.
6. the preparation method of the medical package ink composite according to any one in claim 1 ~ 5, it is characterised in that：The adipic dihydrazide is 4 with the mass ratio of the azodiisobutyronitrile:5.
7. the preparation method of medical package ink composite according to claim 6, it is characterised in that：The coalescents are propane diolsMethyl etherAcetate；The defoamer is dimethicone.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3674372A4 (en) * | 2017-09-26 | 2021-06-02 | DIC Corporation | Ink, ink for ink-jet recording, printed matter, and method for producing printed matter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3674372A4 (en) * | 2017-09-26 | 2021-06-02 | DIC Corporation | Ink, ink for ink-jet recording, printed matter, and method for producing printed matter |
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