CN1827713A - Casein type aqueous ink and method for preparing same - Google Patents

Casein type aqueous ink and method for preparing same Download PDF

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Publication number
CN1827713A
CN1827713A CN 200610034699 CN200610034699A CN1827713A CN 1827713 A CN1827713 A CN 1827713A CN 200610034699 CN200610034699 CN 200610034699 CN 200610034699 A CN200610034699 A CN 200610034699A CN 1827713 A CN1827713 A CN 1827713A
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water
casein
preparation
aqueous ink
clay
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CN100467550C (en
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黄志虹
张黎明
苏韦佳
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Sun Yat Sen University
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Sun Yat Sen University
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Abstract

The invention discloses a cheese water-type ink and its process for preparing. The method is as follows: polymerizing arbowax or polyester diol, dimethylol propionic acid and isophorone diisocyanate under accelerating effect of catalyst, stopping heating after 3-5 hours; adding triethylamine to neutralize after cooling, and adding water to prepare polymer solution with 20-40 % of solid content, adding drainable clay, stirring to obtain clay intercalation polyurethane, dissolving dry casein into the water in alkali condition, preparing to obtain aqueous solution of dry casein with 10-20 % of solid content; mixing intercalation polyurethane with aqueous solution of dry casein evenly to produce junction material of water-type ink, and adding pigments, alcohol, anti-fungus agent and water, grinding, adjusting viscosity to obtain water-type ink. The invention selects renewable natural resources as its main film forming matter, so it is environment-friendly and can save energy; the said water-type ink is of simple process and reasonable cost; and the quality of the obtained ink meets the requirement of the decorative laminate printing.

Description

Casein type aqueous ink and preparation method thereof
Technical field
The present invention relates to water color ink, particularly a kind of is main water color ink that connects material and preparation method thereof with the modified casein.
Background technology
Water color ink has the environmental protection characteristics, progressively replaces solvent type ink in the modern packaging printing.Soluble acrylic ester emulsion is the water color ink material that connects commonly used in the buck, the solvability of connection material is similar to the multipolymer in the organic solvent system printing ink in buck, therefore meet high speed printing to connecting material is dissolved (solubility) repeatedly by former China ink in version roller, mesh and transfer process requirement, be used widely in practice.But existing when using in intaglio printing decorative paper printing ink films, and to add man-hour at 150~190 ℃ easily anti-sticking, inhales the glue quantity not sufficient and defective such as easy decolouring when trimeric cyanamide soaks.
Casein food grade is a natural polymer, is usually used in hide finishes and tackiness agent, has fast drying, adhesive capacity is strong, film forming is water-fast, characteristics such as high temperature resistant, and particularly the casein food grade film forming is more loose, and trimeric cyanamide easily sees through, and meets the requirement of decorative paper post-treatment.But because decorative paper printing equipment speed is fast, last machine oil China ink solid content is lower, and casein food grade needs thickening, adhesiveness increasing and modifying during low-solid content.Urethane is adhesives preferably, and aqueous polyurethane associates in water can increase the solution denseness, but resistant polyurethane is hot poor, is not suitable for using under the hot conditions.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art part, primary and foremost purpose of the present invention is to provide a kind of casein type decorative paper water-based printing ink.
Another object of the present invention is to provide the preparation method of above-mentioned water color ink.
Purpose of the present invention is achieved through the following technical solutions: a kind of preparation method of casein type aqueous ink comprises following processing step and processing condition:
(1) in solvent, add polyoxyethylene glycol or polyester diol, dimethylol propionic acid (DMPA), isophorone diisocyanate (IPDI), be warming up to 80~90 ℃, add the catalyzer di-n-butyltin dilaurate, carry out polyreaction, stop heating after 3~5 hours; Be cooled to 50~60 ℃, add triethylamine (TEA) neutralization, and adding entry, to be made into solid content be 20~40% polymers soln, in polymers soln, add the hydrophobic type clay, making clay weight concentration in solution is 1~6%, stirring obtains clay intercalated urethane (being called for short intercalation urethane), described reactive group isocyanate group and hydroxyl (NCO with-OH) mol ratio is 1.1~1.5: 1, described dimethylol propionic acid provides the hydroxyl mole number to account for 5~20% of total overall reaction thing hydroxyl mole number, and described dimethylol propionic acid mole number equates with the triethylamine mole number.
(2) under alkaline condition that casein food grade is water-soluble, preparation obtains the casein food grade aqueous solution of solid content 10~20%.
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material, in water color ink connection material, add pigment, ethanol, mould inhibitor and water, be ground to fineness 5~10 μ, transfer viscosity to 30~50 second (Zahn 3# cup, survey ink viscosity with pricking the grace cup), obtain water color ink.Described intercalation urethane accounts for and connects 5~20% of material weight percent, and described water color ink connects material, pigment, ethanol, mould inhibitor and water by weight, and water color ink connects 50~70 parts in material, 10~20 parts of pigment, 5~15 parts of ethanol, 0.1~0.5 part of mould inhibitor, 5~35 parts in water.
In order to realize the present invention better, solvent comprises acetone, pyrrolidone or vinyl acetic monomer etc. in the described step (1); Preferred polyoxyethylene glycol is the polyoxyethylene glycol of molecular weight 400~600, and the preferred polyester dibasic alcohol is the poly-hexanodioic acid caprolactone dibasic alcohol of weight-average molecular weight 500~2000 or the own ester dibasic alcohol of hexanodioic acid of weight-average molecular weight 500~2000.Described step (2) neutral and alkali condition is a pH value 7.5~8.5.
In the described step (3) pigment can for red, yellow, blue, deceive or pigment of all kinds such as green, described pigment photostabilization is 6~8 grades; Described mould inhibitor is an isothiazolinone.
A kind of casein type aqueous ink is prepared from by above-mentioned preparation method.
Casein type aqueous ink of the present invention can be used for the intaglio printing of decorative paper.It is the adhering resin of printing ink that the present invention adopts natural polymer one casein food grade, by clay intercalated polyurethane-modified, makes it meet the requirement of decorative paper printing-ink.
Principle of the present invention is to have utilized casein food grade can form the characteristics of loose porous film, improve the denseness of casein food grade dilute solution with clay intercalated urethane, obtain to be used for the intaglio plate high speed printing, film and can satisfy required high temperature resistant, the anti-trimeric cyanamide (vinylbenzene) of decorative paper post-treatment and inhale the glue amount water color ink that requires such as big.
The present invention compared with prior art has following advantage and beneficial effect: the present invention is main film forming matter with natural reproducible resource, has environmental protection and energy saving; The preparation method is simple for this water color ink, and cost is reasonable; Ink quality meets the decorative paper print request.It is after connecting the printing ink film forming of material that the present invention adopts modified casein, is coated with film heat resistance, suction glue amount, anti-trimeric cyanamide and vinylbenzene performance and all is better than the solvable acrylic resin printing ink of alkali commonly used, is applicable to the post-treatment of decorative paper.Hot and the solution denseness of resistant polyurethane behind the intercalation clay of the present invention all is significantly improved, and adopts the urethane and the casein food grade of clay alteration solution combined, obtains filming of improved performance, can be applicable to the decorative paper printing.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited thereto.
Embodiment 1
(1) synthetic-NCO with-the OH mol ratio is 1.2: 1 a base polyurethane prepolymer for use as (not being called performed polymer before the aquation), the solvent acetone mass percent is 30% in the performed polymer.In solvent acetone, add PEG400 (polyoxyethylene glycol), dimethylol propionic acid (DMPA), isophorone diisocyanate (IPDI), be warming up to 90 ℃, add 2 of di-n-butyltin dilaurates of catalyzer (0.05ml), carry out polyreaction, 3.5 stop heating (with the nco value of n-Butyl Amine 99 method assaying reaction system) after hour, make base polyurethane prepolymer for use as; Be cooled to 50 ℃, add triethylamine (TEA) (the triethylamine mole number equates with the dimethylol propionic acid mole number) neutralization, and adding entry, to be made into solid content be 40% polymers soln, be brown heavy-gravity liquid (PU-1), in polymers soln, add hydrophobic type clay (clay (Clay tone II), U.S. Laporte company), making clay weight concentration in solution is 1%, stirring obtains clay intercalated urethane (being called for short intercalation urethane), wherein reactive group isocyanate group and hydroxyl mol ratio (NCO with-OH) be 1.2: 1, DMPA provides the hydroxyl mole number to account for 5% of total overall reaction thing hydroxyl mole number.
(2) (pH value 7.5) is water-soluble with casein food grade under alkaline condition, and preparation obtains the casein food grade aqueous solution of solid content 20%.
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material (PUC1), wherein intercalation urethane accounts for and connects material weight percent 20%, connect adding yellow ultramarine PY86 (the yellow ultramarine photostabilization is 7 grades), ethanol, mould inhibitor, water in the material at water color ink, be ground to fineness 10 μ, transfer viscosity to 30 second (Zahn 3# cup is surveyed ink viscosity with pricking the grace cup), obtain water color ink.Described water color ink connects material, yellow ultramarine, ethanol, mould inhibitor isothiazolinone, water by weight, and water color ink connects 65 parts in material, 12 parts of yellow ultramarines, 15 parts of ethanol, 0.3 part of mould inhibitor isothiazolinone, 12.7 parts in water.
Embodiment 2
(1) synthetic-NCO with-the OH mol ratio is 1.2: 1 a base polyurethane prepolymer for use as, solvent pyrrolidone mass percent is 30% in the performed polymer.In the solvent pyrrolidone, add PEG600 (polyoxyethylene glycol), dimethylol propionic acid (DMPA), isophorone diisocyanate (IPDI), be warming up to 80~90 ℃, add catalyzer di-n-butyltin dilaurate 0.05ml, carry out polyreaction, stop heating (with the nco value of n-Butyl Amine 99 method assaying reaction system) after 3 hours, make base polyurethane prepolymer for use as; Be cooled to 60 ℃, add triethylamine (TEA) (the triethylamine mole number equates with the dimethylol propionic acid mole number) neutralization, and adding entry, to be made into solid content be 40% polymers soln, be brown heavy-gravity liquid (PU-2), in polymers soln, add hydrophobic type clay (clay (Clay tone II), U.S. Laporte company), making clay weight concentration in solution is 2%, stirring obtains clay intercalated urethane (being called for short intercalation urethane), wherein reactive group isocyanate group and hydroxyl mol ratio (NCO with-OH) be 1.2: 1, DMPA provides the hydroxyl mole number to account for 20% of total overall reaction thing hydroxyl mole number.
(2) (pH value 8.5) is water-soluble with casein food grade under alkaline condition, and preparation obtains the casein food grade aqueous solution of solid content 20%.
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material (PUC2), wherein intercalation urethane accounts for and connects 5% of material weight percent, connect adding red pigment PR185 (the red pigment photostabilization is 6 grades), ethanol, mould inhibitor, water in the material at water color ink, be ground to fineness 10 μ, transfer viscosity to 50 second (Zahn 3# cup is surveyed ink viscosity with pricking the grace cup), obtain water color ink.Described water color ink connects material, red pigment, ethanol, mould inhibitor isothiazolinone, water by weight, and water color ink connects 70 parts in material, 15 parts of red pigments, 10 parts of ethanol, 0.2 part of mould inhibitor isothiazolinone, 4.8 parts in water.
Embodiment 3
(1) synthetic-NCO with-the OH mol ratio is 1.3: 1 a base polyurethane prepolymer for use as, solvent vinyl acetic monomer mass percent is 30% in the performed polymer.In the solvent vinyl acetic monomer, the own ester dibasic alcohol of hexanodioic acid, dimethylol propionic acid (DMPA), the isophorone diisocyanate (IPDI) that add weight-average molecular weight 500, be warming up to 80 ℃, add catalyzer di-n-butyltin dilaurate 0.05ml, carry out polyreaction, 3.5 stop heating (with the nco value of n-Butyl Amine 99 method assaying reaction system) after hour, make base polyurethane prepolymer for use as; Be cooled to 55 ℃, add triethylamine (TEA) (the triethylamine mole number equates with the dimethylol propionic acid mole number) neutralization, and adding entry, to be made into solid content be 30% polymers soln, be brown heavy-gravity liquid (PU-3), in polymers soln, add hydrophobic type clay (clay (Clay tone II), U.S. Laporte company), making clay weight concentration in solution is 2%, stirring obtains clay intercalated urethane (being called for short intercalation urethane), wherein reactive group isocyanate group and hydroxyl mol ratio (NCO with-OH) be 1.3: 1, DMPA provides the hydroxyl mole number to account for 15% of total overall reaction thing hydroxyl mole number.
(2) (pH value 8.0) is water-soluble with casein food grade under weak basic condition, and preparation obtains the casein food grade aqueous solution of solid content 15%.
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material (PUC3), wherein intercalation urethane accounts for and connects 10% of material weight percent, in water color ink connection material, add blue pigments (the blue pigments photostabilization is 8 grades), ethanol, mould inhibitor, water, be ground to fineness 5 μ, transfer viscosity to 40 second (Zahn 3# cup is surveyed ink viscosity with pricking the grace cup), obtain water color ink.Described water color ink connects material, blue pigments, ethanol, mould inhibitor isothiazolinone, water by weight, and water color ink connects 50 parts in material, 20 parts of blue pigmentss, 5 parts of ethanol, 0.5 part of mould inhibitor isothiazolinone, 5 parts in water.
Embodiment 4
(1) synthetic-NCO with-the OH mol ratio is 1.4: 1 a base polyurethane prepolymer for use as, the solvent acetone mass percent is 30% in the performed polymer.In solvent acetone, the own ester dibasic alcohol of hexanodioic acid, dimethylol propionic acid (DMPA), the isophorone diisocyanate (IPDI) that add weight-average molecular weight 1000, be warming up to 80 ℃, add catalyzer di-n-butyltin dilaurate 0.05ml, carry out polyreaction, 4.5 stop heating (with the nco value of n-Butyl Amine 99 method assaying reaction system) after hour, make base polyurethane prepolymer for use as; Be cooled to 55 ℃, add triethylamine (TEA) (the triethylamine mole number equates with the dimethylol propionic acid mole number) neutralization, and adding entry, to be made into solid content be 20% polymers soln, be brown heavy-gravity liquid (PU-4), in polymers soln, add hydrophobic type clay (clay (Clay tone II), U.S. Laporte company), making clay weight concentration in solution is 2%, stirring obtains clay intercalated urethane (being called for short intercalation urethane), wherein reactive group isocyanate group and hydroxyl mol ratio (NCO with-OH) be 1.4: 1, DMPA provides the hydroxyl mole number to account for 20% of total overall reaction thing hydroxyl mole number.
(2) (pH value 8.5) is water-soluble with casein food grade under alkaline condition, and preparation obtains the casein food grade aqueous solution of solid content 20%.
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material (PUC4), wherein intercalation urethane accounts for and connects 15% of material weight percent, in water color ink connection material, add red pigment (the red pigment photostabilization is 6 grades), ethanol, mould inhibitor, water, be ground to fineness 10 μ, transfer viscosity to 50 second (Zahn 3# cup is surveyed ink viscosity with pricking the grace cup), obtain water color ink.Described water color ink connects material, red pigment, ethanol, mould inhibitor isothiazolinone, water by weight, and water color ink connects 55 parts in material, 15 parts of red pigments, 5 parts of ethanol, 0.1 part of mould inhibitor isothiazolinone, 25 parts in water.
Embodiment 5
(1) synthetic-NCO with-the OH mol ratio is 1.2: 1 a base polyurethane prepolymer for use as, solvent vinyl acetic monomer mass percent is 30% in the performed polymer.In the solvent vinyl acetic monomer, the own ester dibasic alcohol of hexanodioic acid, dimethylol propionic acid (DMPA), the isophorone diisocyanate (IPDI) that add weight-average molecular weight 500, be warming up to 85 ℃, add catalyzer di-n-butyltin dilaurate 0.05ml, carry out polyreaction, stop heating (with the nco value of n-Butyl Amine 99 method assaying reaction system) after 3 hours, make base polyurethane prepolymer for use as; Be cooled to 60 ℃, add triethylamine (TEA) (the triethylamine mole number equates with the dimethylol propionic acid mole number) neutralization, and adding entry, to be made into solid content be 30% polymers soln, be brown heavy-gravity liquid (PU-5), in polymers soln, add hydrophobic type clay (clay (Clay tone II), U.S. Laporte company), making clay weight concentration in solution is 4%, stirring obtains clay intercalated urethane (being called for short intercalation urethane), wherein reactive group isocyanate group and hydroxyl mol ratio (NCO with-OH) be 1.2: 1, DMPA provides the hydroxyl mole number to account for 15% of total overall reaction thing hydroxyl mole number.
(2) (pH value 7.5) is water-soluble with casein food grade under weak basic condition, and preparation obtains the casein food grade aqueous solution of solid content 20%.
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material (PUC5), wherein intercalation urethane accounts for and connects 20% of material weight percent, in water color ink connection material, add blue pigments (the blue pigments photostabilization is 8 grades), ethanol, mould inhibitor, water, be ground to fineness 10 μ, transfer viscosity to 35 second (Zahn 3# cup is surveyed ink viscosity with pricking the grace cup), obtain water color ink.Described water color ink connects material, blue pigments, ethanol, mould inhibitor isothiazolinone, water by weight, and water color ink connects 60 parts in material, 15 parts of blue pigmentss, 10 parts of ethanol, 0.5 part of mould inhibitor isothiazolinone, 15 parts in water.
Embodiment 6
(1) synthetic-NCO with-the OH mol ratio is 1.3: 1 a base polyurethane prepolymer for use as, solvent vinyl acetic monomer mass percent is 30% in the performed polymer.In the solvent vinyl acetic monomer, the poly-hexanodioic acid caprolactone dibasic alcohol, dimethylol propionic acid (DMPA), the isophorone diisocyanate (IPDI) that add weight-average molecular weight 2000, be warming up to 90 ℃, add catalyzer di-n-butyltin dilaurate 0.05ml, carry out polyreaction, stop heating (with the nco value of n-Butyl Amine 99 method assaying reaction system) after 3 hours, make base polyurethane prepolymer for use as; Be cooled to 50 ℃, add triethylamine (TEA) (the triethylamine mole number equates with the dimethylol propionic acid mole number) neutralization, and adding entry, to be made into solid content be 35% polymers soln, be brown heavy-gravity liquid (PU-6), in polymers soln, add hydrophobic type clay (clay (Clay tone II), U.S. Laporte company), making clay weight concentration in solution is 4%, stirring obtains clay intercalated urethane (being called for short intercalation urethane), wherein reactive group isocyanate group and hydroxyl mol ratio (NCO with-OH) be 1.3: 1, DMPA provides the hydroxyl mole number to account for 12% of total overall reaction thing hydroxyl mole number.
(2) (pH value 8.0) is water-soluble with casein food grade under alkaline condition, and preparation obtains the casein food grade aqueous solution of solid content 20%.
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material (PUC6), wherein intercalation urethane accounts for and connects 12% of material weight percent, in water color ink connection material, add veridian (the veridian photostabilization is 7 grades), ethanol, mould inhibitor, water, be ground to fineness 6 μ, transfer viscosity to 45 second (Zahn 3# cup is surveyed ink viscosity with pricking the grace cup), obtain water color ink.Described water color ink connects material, veridian, ethanol, mould inhibitor isothiazolinone, water by weight, and water color ink connects 50 parts in material, 10 parts of veridians, 5 parts of ethanol, 0.1 part of mould inhibitor isothiazolinone, 35 parts in water.
Embodiment 7
(1) synthetic-NCO with-the OH mol ratio is 1.5: 1 a base polyurethane prepolymer for use as, solvent vinyl acetic monomer mass percent is 30% in the performed polymer.In the solvent vinyl acetic monomer, the own ester dibasic alcohol of hexanodioic acid, dimethylol propionic acid (DMPA), the isophorone diisocyanate (IPDI) that add weight-average molecular weight 500, be warming up to 80 ℃, add catalyzer di-n-butyltin dilaurate 0.05ml, carry out polyreaction, stop heating (with the nco value of n-Butyl Amine 99 method assaying reaction system) after 5 hours, make base polyurethane prepolymer for use as; Be cooled to 60 ℃, add triethylamine (TEA) (the triethylamine mole number equates with the dimethylol propionic acid mole number) neutralization, and adding entry, to be made into solid content be 30% polymers soln, be brown heavy-gravity liquid (PU-7), in polymers soln, add hydrophobic type clay (clay (Clay tone II), U.S. Laporte company), making clay weight concentration in solution is 6%, stirring obtains clay intercalated urethane (being called for short intercalation urethane), wherein reactive group isocyanate group and hydroxyl mol ratio (NCO with-OH) be 1.5: 1, DMPA provides the hydroxyl mole number to account for 10% of total overall reaction thing hydroxyl mole number.
(2) (pH value 7.5) is water-soluble with casein food grade under weak basic condition, and preparation obtains the casein food grade aqueous solution of solid content 10%.
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material (PUC7), wherein intercalation urethane accounts for and connects 10% of material weight percent, in water color ink connection material, add black pigment (the black pigment photostabilization is 8 grades), ethanol, mould inhibitor, water, be ground to fineness 8 μ, transfer viscosity to 50 second (Zahn 3# cup is surveyed ink viscosity with pricking the grace cup), obtain water color ink.Described water color ink connects material, black pigment, ethanol, mould inhibitor isothiazolinone, water by weight, and water color ink connects 60 parts in material, 20 parts of black pigments, 15 parts of ethanol, 0.5 part of mould inhibitor isothiazolinone, 5 parts in water.
The cooperation table of table 1 urethane
Sample number Clay consumption % -NCO∶-OH
PU-1 PU-2 PU-3 PU-4 PU-5 PU-6 PU-7 1 2 2 2 4 4 6 1.2∶1 1.2∶1 1.3∶1 1.4∶1 1.2∶1 1.3∶1 1.5∶1
The mass ratio of intercalation polyurethane solution and casein food grade sees Table 2 among the PUC.
Table 2 connects the material proportioning
The PUC numbering The PU type The PU solid content Casein food grade
PUC1 PUC2 PUC3 PUC4 PUC5 PUC6 PUC7 PU1 PU2 PU1 PU5 PU3 PU6 PU7 5 5 10 5 5 5 15 20 20 15 20 20 20 10
The proportioning of table 3 water color ink
Red black 1 Yellow China ink 2
PR185 (pigment) 15 PY86 (pigment) 12
PUC5 mould inhibitor ethanol water 70 0.2 10 4.8 PUC3 mould inhibitor ethanol water 65 0.3 15 12.7
PR185, PY86 (being the international standard number of pigment)
The water color ink performance of table 4 preparation
Stand linseed oil Huang Mo Red China ink Lan Mo
Viscosity (DIM, s) the fineness flash-point anti-vinylbenzene light fastness of ℃ anti-trimeric cyanamide (level) 34 36 is good 35 4 36 good 7 30 6 36 good 6 30 6 36 good 8

Claims (10)

1, a kind of preparation method of casein type aqueous ink comprises following processing step and processing condition:
(1) in solvent, add polyoxyethylene glycol or polyester diol, dimethylol propionic acid, isophorone diisocyanate, be warming up to 80~90 ℃, add the catalyzer di-n-butyltin dilaurate, carry out polyreaction, stop heating after 3~5 hours; Be cooled to 50~60 ℃, add the triethylamine neutralization, and adding entry, to be made into solid content be 20~40% polymers soln, adds the hydrophobic type clay in polymers soln that making clay weight concentration in solution is 1~6%, stirs to obtain clay intercalated urethane; Described reactive group isocyanate group and hydroxyl mol ratio are 1.1~1.5: 1, and described dimethylol propionic acid provides the hydroxyl mole number to account for 5~20% of total overall reaction thing hydroxyl mole number, and described dimethylol propionic acid mole number equates with the triethylamine mole number;
(2) under alkaline condition that casein food grade is water-soluble, preparation obtains the casein food grade aqueous solution of solid content 10~20%;
(3) with intercalation urethane and casein food grade aqueous solution evenly after, promptly obtain water color ink and connect material, connect in the material at water color ink and add pigment, ethanol, mould inhibitor and water, be ground to fineness 5~10 μ, transfer viscosity to 30~50 second, obtain water color ink; Described intercalation urethane accounts for and connects 5~20% of material weight percent.
2, the preparation method of casein type aqueous ink according to claim 1, it is characterized in that, water color ink connects material, pigment, ethanol, mould inhibitor and water by weight in the described step (3), water color ink connects 50~70 parts in material, 10~20 parts of pigment, 5~15 parts of ethanol, 0.1~0.5 part of mould inhibitor, 5~35 parts in water.
3, the preparation method of casein type aqueous ink according to claim 1 is characterized in that, solvent comprises acetone, pyrrolidone or vinyl acetic monomer in the described step (1).
4, the preparation method of casein type aqueous ink according to claim 1 is characterized in that, polyoxyethylene glycol is the polyoxyethylene glycol of molecular weight 400~600 in the described step (1).
5, the preparation method of casein type aqueous ink according to claim 1, it is characterized in that polyester diol is the poly-hexanodioic acid caprolactone dibasic alcohol of weight-average molecular weight 500~2000 or the own ester dibasic alcohol of hexanodioic acid of weight-average molecular weight 500~2000 in the described step (1).
6, the preparation method of casein type aqueous ink according to claim 1 is characterized in that, described step (2) neutral and alkali condition is a pH value 7.5~8.5.
7, the preparation method of casein type aqueous ink according to claim 1 is characterized in that, pigment is red, yellow, blue, black or veridian in the described step (3).
8, the preparation method of casein type aqueous ink according to claim 7 is characterized in that, described pigment photostabilization is 6~8 grades.
9, the preparation method of casein type aqueous ink according to claim 1 is characterized in that, mould inhibitor is an isothiazolinone in the described step (3).
10, a kind of casein type aqueous ink is exactly to be prepared from by each described preparation method of claim 1~8.
CNB2006100346999A 2006-03-31 2006-03-31 Casein type aqueous ink and method for preparing same Expired - Fee Related CN100467550C (en)

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CN105368135A (en) * 2015-12-08 2016-03-02 浙江帝龙新材料股份有限公司 Anti-penetrating water-based ink used for decorative paper, and preparation method thereof
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CN107903709A (en) * 2017-11-29 2018-04-13 苏州甫众塑胶有限公司 A kind of preparation method of water-based ink binder
CN109233431A (en) * 2018-07-24 2019-01-18 江苏唐彩油墨科技股份有限公司 Water-borne decorative paper ink
CN109233431B (en) * 2018-07-24 2021-04-13 江苏唐彩新材料科技股份有限公司 Water-based decorative paper ink
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