CN110204956A - A kind of biodegradable green printing ink binder, ink and preparation method thereof - Google Patents
A kind of biodegradable green printing ink binder, ink and preparation method thereof Download PDFInfo
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- CN110204956A CN110204956A CN201910636003.7A CN201910636003A CN110204956A CN 110204956 A CN110204956 A CN 110204956A CN 201910636003 A CN201910636003 A CN 201910636003A CN 110204956 A CN110204956 A CN 110204956A
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- ink
- polylactic acid
- green printing
- binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- 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
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/104—Polyesters
Abstract
The invention discloses a kind of biodegradable green printing ink binders, ink and preparation method thereof, the ink adhesive includes the polylactic acid microsphere that average grain diameter is 5-10 μm, the polylactic acid microsphere particle diameter distribution of use is narrow, ink added with above-mentioned ink adhesive has excellent development effect, solves that binder partial size is too small to cause that the power that ink powder carried charge is high, toner is adsorbed on carrier is bigger than normal, is difficult to participate in development and binder partial size excessive the technical issues of being also easy to produce photocopy defect.The glossiness and drying property for improving ink when subsequent ink is printed on surface of the stock, have good coloring effect.Ink containing the ink adhesive has good environment friendly and resource reproducibility, and production cost is low, and environmental pollution is small, has very high market value.
Description
Technical field
The invention belongs to technical field of ink, it is related to a kind of ink addition agent, ink containing the auxiliary agent and preparation method thereof,
Relate in particular to the biodegradable green printing ink binder of one kind, containing the ink of the binder and its preparation side
Method.
Background technique
In recent years, with the rapid development of china's national economy, press-packaging industry is grown rapidly, to drive
The main composition component of the Fast Growth of printing material ink, ink has pigment, resin binder and auxiliary agent.Pigment is in ink structure
It is about 10%-20% at middle proportion, determines color, tinting strength, tinting power and coloration and resistance to acid and alkali, heat resistance of ink etc.
Performance.Resin binder accounts for about 70%-80% in ink, primarily serves the effect of dispersion pigment and auxiliary agent, can help oil
Ink forms thin uniform layer after printing, while protecting pigment after the drying, it is made to be difficult to fall off.Usually when making paints, also
10% or so other auxiliary agents can according to circumstances be added, to the adaptability for improving ink performance, adjusting ink.As it can be seen that resin
Binder is the primary raw material for constituting ink.After the solvent volatilization in ink, staying in printed matter is mainly pigment, tree
Rouge and auxiliary agent if it is for the printed matter of food and Key works Drug packing, once accidentally and after direct food contact, because in food
Grease, alcohol and ester be possible to the resin in ink can be dissolved, then food is possible to by resin stain, after eating can pair
Health generates tremendous influence, and the ink in discarded packaging is difficult to natural degradation because of its resin, to ecological environment
Also result in great threat.
Currently, the binder in common ink is most of using nondegradable resin material, exist to environment, food
The problem of the nocuousness such as product, and universal high production cost, it is both uneconomical or not environmentally；In addition, though the oil degradable there are part
Ink connecting material, but the macromolecule resin material used, particle diameter distribution is wider, and homogeneity is poor, and ink performance obtained is bad.Cause
This researches and develops one that a kind of degradable, macromolecule resin material that has excellent performance is that printing material develops as the binder in ink
The inevitable trend of kind.
Summary of the invention
For this purpose, the present invention exactly will solve above-mentioned technical problem, to propose a kind of environmentally protective, low in cost, performance
Excellent biodegradable green printing ink binder, ink containing the binder and preparation method thereof.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
The present invention provides a kind of biodegradable green printing ink binder, and the ink adhesive includes average grain diameter
For 5-10 μm of polylactic acid microsphere.
Preferably, the ink adhesive further includes the polyglycolic acid microballoon that average grain diameter is 5-10 μm, poly- hydroxyl
At least one of alkanoate microballoon, wherein the polyglycolic acid microballoon accounting range 0~100%.
Preferably, the average grain diameter of the ink adhesive is 6 μm or 7 μm or 9 μm.
The present invention also provides a kind of ink comprising the biodegradable green printing ink binder.
Preferably, by percentage to the quality, being grouped as by following group: the biodegradable green printing ink connection
Expect 30-38%, isopropanol 8-15%, pigment 8-15%, defoaming agent 1-2%, levelling agent 1-2%, surfactant 1-2%, ammonia
Water 2-4%, surplus are water.
Preferably, the defoaming agent is dimethyl polysiloxane, trimethyl silicone oil, mineral oil, polyoxypropylene oxidation second
At least one of alkene glycerin ether, the levelling agent is BYK-378 levelling agent, hydroxymethyl cellulose, polyether-modified dimethyl are poly-
At least one of siloxanes, the surfactant are sodium lignin sulfonate, and the pigment is methyl orange, methyl blue, crystallization
At least one of purple, carbon black, titanium green hill, fuchsin 6B, benzidine yellow.
The present invention also provides a kind of method for preparing the biodegradable green printing ink binder, including it is as follows
Step:
Lactic acid aqueous solution dehydrating condensation is obtained polylactic acid seed microballoon by S1, preparation polylactic acid seed microballoon；
S2, polylactic acid microsphere is prepared, the polylactic acid seed microballoon is mixed in proportion with crosslinking agent, initiator, emulsifier
Conjunction obtains pre-composition, is swollen reaction after stabilizer is added in Xiang Suoshu pre-composition, polylactic acid microsphere ink adhesive is obtained, with matter
Percentages are measured, in the pre-composition, the content of the crosslinking agent is 0.5-10%, and the content of the initiator is 0.1-5%,
The content of the emulsifier is 0.1-5%, and surplus is polylactic acid seed microballoon.
Preferably, the temperature of dehydrating condensation is 180-240 DEG C in the step S1.
Preferably, the crosslinking agent is γ-aminopropyl triethoxysilane, N- (β-aminoethyl)-γ-aminopropyl three
Ethoxysilane, aminopropyl triethoxysilane, vinyl three (2- methoxy ethoxy) silane, 3 glycidylpropyls three
At least one of methoxy silane；Stating initiator is benzoyl peroxide, tert-butyl hydroperoxide, the tertiary fourth of perbenzoic acid
At least one of ester, methyl ethyl ketone peroxide, persulfate, azodiisobutyronitrile；The emulsifier is triethanolamine list oleic acid
Ester, fatty alcohol, ethylene oxide, polyacrylamide, odium stearate, domiphen, polyoxyethylene ether, in polyethenoxy ether
At least one；The stabilizer is at least one of di-t-butyl methylphenol, di-tert-butyl hydroquinone.
The present invention also provides a kind of methods for preparing the ink comprising following steps: by ink adhesive with it is different
After propyl alcohol, pigment, defoaming agent, levelling agent, surfactant, ammonium hydroxide and water mixing, disperse under the revolving speed of 80-5000rpm equal
It is even to obtain the final product.The above technical solution of the present invention has the following advantages over the prior art:
(1) biodegradable green printing ink binder of the present invention, the ink adhesive include average grain
The polylactic acid microsphere that diameter is 5-10 μm, the polylactic acid microsphere particle diameter distribution of use is narrow, the ink added with above-mentioned ink adhesive
With excellent development effect, solve that binder partial size is too small to cause that ink powder carried charge is high, toner is adsorbed on carrier
Power is bigger than normal, is difficult to participate in development and binder partial size excessive the technical issues of being also easy to produce photocopy defect.The ink adhesive
The glossiness and drying property of ink are significantly improved, when subsequent ink is printed on surface of the stock, there is good coloring effect
Fruit.In addition, the ink adhesive includes biodegradable polylactic acid microsphere, have in use process and after discarding good
Environment friendly, raw material extracts from natural plants, gets rid of the dependence to petroleum, renewable with outstanding resource
Property.Polylactic acid microsphere shows outstanding processing flowability, qualitative ability and biodegradability in ink adhesive, drop
While the low production cost of ink, so that ink becomes environmental protection and energy saving material.
(2) ink of the present invention is grouped as by following group by percentage to the quality: the biodegradable green
Ink adhesive 30-38%, isopropanol 8-15%, pigment 8-15%, defoaming agent 1-2%, levelling agent 1-2% are printed, surface is lived
Property agent 1-2%, ammonium hydroxide 2-4, surplus is water.The ink can meet the performance requirement of printing ink, and have biological degradability,
Production cost is low, environmental pollution is small, is a kind of environment-friendly ink material, in addition impact strength also with higher and
Glossiness, printing effect is good, has very high market application value.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the preparation process schematic diagram of polylactic acid microsphere in the embodiment of the present invention.
Specific embodiment
In order to make the content of the present invention more clearly understood, below according to specific embodiments of the present invention to this hair
It is bright to be described in further detail.
Term is explained:
Monodispersity, refer to substance some parameter have uniform property (referred to microballoon shape size is very equal
It is even).
It is biodegradable, it refers to the performance of polymer, is under the action of biotic environment, polymer is decomposed into smaller
Environmental sound subunit, furthermore these subunits can be absorbed by Institute of Micro-biology and be used as the energy.
Binder refers to ink adhesive also known as ink addition agent, is the important component for printing ink, is the fluid of ink
Part.Rheological characteristic, viscosity, drying property, film forming and the printing performance for printing ink, depend primarily on binder.In ink
Solid component can be finely ground in the fabrication process by the wetting action of binder, complete printing process by its viscosity
Transmitting transfer protects face by the ink film for being dried to the fastness that film property makes trace form gloss of link stuff on printed matter
Material.
Embodiment 1
The present embodiment provides a kind of biodegradable green printing ink binders comprising average grain diameter is 5 μm poly-
Lactic acid microspheres.
The raw material of polylactic acid microsphere is lactic acid, and lactic acid can pass through hair by the starch extracted in the plants such as corn, wheat, cassava
Obtained after ferment, therefore, polylactic acid in synthesis, all there is significant environmental-friendly characteristic in the complete period for manufacturing, using and discarding,
Simultaneously because the raw material of polylactic acid microsphere can be extracted from natural plants, the dependence to petroleum is farthest got rid of, is had
There is outstanding resource reproducibility.
Ink adhesive described in the present embodiment, uniform particle diameter, so that the ink material containing the ink adhesive is aobvious
Shadow excellent effect.
The present embodiment also provides a kind of method for preparing the biodegradable green printing ink binder comprising such as
Lower step:
S1, preparation polylactic acid seed microballoon, by lactic acid aqueous solution at 180 DEG C dehydrating condensation, it is micro- to obtain polylactic acid seed
Ball.
S2, polylactic acid microsphere is prepared, the polylactic acid seed microballoon is mixed in proportion with crosslinking agent, initiator, emulsifier
After conjunction, pre-composition is obtained, appropriate stabilizer is added in Xiang Suoshu pre-composition, swelling is reacted, and the polylactic acid for obtaining size tunable is micro-
Ball ink adhesive, as shown in Figure 1.In the pre-composition, by percentage to the quality, the content of the crosslinking agent is 0.5%, institute
The content for stating initiator is 0.1%, and the content of the emulsifier is 0.1%, and surplus is polylactic acid seed microballoon, the crosslinking agent
For γ-aminopropyl triethoxysilane (KH-550), the initiator is benzoyl peroxide, and the emulsifier is three ethyl alcohol
Amine monoleate；The stabilizer is di-t-butyl methylphenol.
The present embodiment also provides a kind of ink, and the ink includes above-mentioned degradable ink adhesive, specifically, the oil
Ink is made by following component: the polylactic acid microsphere 30g, isopropanol 15g, methyl orange 8g that average grain diameter is 5 μm, trimethyl silicone oil
2g, BYK-378 levelling agent 1g, sodium lignin sulfonate 2g, ammonium hydroxide 2g, deionized water 40g.
The ink is prepared by following technique: above-mentioned raw materials accurately being weighed, and are mixed in proportion, in high speed dispersion agent
In be dispersed to that all stock dispersions are uniform with the revolving speed of 80rpm, obtain biodegradable water-based ink.
Embodiment 2
The present embodiment provides a kind of biodegradable green printing ink binders comprising the polylactic acid that partial size is 8 μm
Microballoon.
Ink adhesive described in the present embodiment, uniform particle diameter, so that the ink material containing the ink adhesive is aobvious
Shadow excellent effect.
The present embodiment also provides a kind of method for preparing the biodegradable green printing ink binder comprising such as
Lower step:
S1, preparation polylactic acid seed microballoon, by lactic acid aqueous solution at 240 DEG C dehydrating condensation, it is micro- to obtain polylactic acid seed
Ball.
S2, polylactic acid microsphere is prepared, the polylactic acid seed microballoon is mixed in proportion with crosslinking agent, initiator, emulsifier
After conjunction, pre-composition is obtained, stabilizer is added in Xiang Suoshu pre-composition, swelling reaction obtains the polylactic acid microsphere oil of size tunable
Ink connecting material, as shown in Figure 1.By percentage to the quality, in the pre-composition, the content of the crosslinking agent is 10%, described to draw
The content for sending out agent is 5%, and the content of the emulsifier is 5%, and surplus is polylactic acid seed microballoon, wherein the crosslinking agent is
N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane (KK-791), the initiator are tert-butyl hydroperoxide, peroxidating
The mixture of t-butyl perbenzoate, the mass ratio of the two are 1:1, and the emulsifier is the mixture of fatty alcohol, ethylene oxide, two
The mass ratio of person is 1:1, and the stabilizer is di-tert-butyl hydroquinone.
The present embodiment also provides a kind of ink, and the ink includes above-mentioned degradable ink adhesive, specifically, the oil
Ink is made by following component: the polylactic acid microsphere 38g, isopropanol 8g, methyl orange 15g that average grain diameter is 8 μm, trimethyl silicone oil
1g, BYK-378 levelling agent 2g, sodium lignin sulfonate 1g, ammonium hydroxide 4g, deionized water 31g.
The ink is prepared by following technique: above-mentioned raw materials accurately being weighed, and are mixed in proportion, in high speed dispersion agent
High speed is dispersed to that all stock dispersions are uniform, obtains biodegradable water-based ink.
Embodiment 3
The present embodiment provides a kind of biodegradable green printing ink binders comprising the polylactic acid that partial size is 8 μm
Microballoon.
Ink adhesive described in the present embodiment, uniform particle diameter, so that the ink material containing the ink adhesive is aobvious
Shadow excellent effect.
The present embodiment also provides a kind of method for preparing the biodegradable green printing ink binder comprising such as
Lower step:
S1, preparation polylactic acid seed microballoon, by lactic acid aqueous solution at 200 DEG C dehydrating condensation, it is micro- to obtain polylactic acid seed
Ball；
S2, polylactic acid microsphere is prepared, the polylactic acid seed microballoon is mixed in proportion with crosslinking agent, initiator, emulsifier
After conjunction, pre-composition is obtained, appropriate stabilizer is added in Xiang Suoshu pre-composition, swelling is reacted, and the polylactic acid for obtaining size tunable is micro-
Ball ink adhesive, as shown in Figure 1.In the pre-composition, by percentage to the quality, the content of the crosslinking agent is 5.5%, institute
The content for stating initiator is 3%, and the content of the emulsifier is 3%, and surplus is the polylactic acid seed microballoon, the crosslinking agent
For aminopropyl triethoxysilane (A-1100), the mixture of (2- methoxy ethoxy) silane of vinyl three (KBM-903), two
The mass ratio of person is 1:2, and the initiator is azodiisobutyronitrile, and the emulsifier is polyacrylamide, odium stearate, 12
The mixture of alkyl dimethylamine, the mass ratio of three are 1:2:1；The stabilizer is di-t-butyl methylphenol.
The present embodiment also provides a kind of ink, and the ink includes above-mentioned degradable ink adhesive, specifically, the oil
Ink is made by following component: the polylactic acid microsphere 35g, isopropanol 10g, methyl orange 12g that average grain diameter is 8 μm, trimethyl silicone oil
1.5g, BYK-378 levelling agent 1.5g, sodium lignin sulfonate 1.5g, ammonium hydroxide 3g, deionized water 35.5g.
The ink is prepared by following technique: above-mentioned raw materials accurately being weighed, and are mixed in proportion, in high speed dispersion agent
High speed is dispersed to that all stock dispersions are uniform, obtains biodegradable water-based ink.
Embodiment 4
The present embodiment provides a kind of biodegradable green printing ink binders comprising the polylactic acid that partial size is 7 μm
Microballoon, further includes the polyglycolic acid microballoon that average grain diameter is 7 μm, and the mass ratio of the two is 4:1.
Ink adhesive described in the present embodiment, uniform particle diameter, so that the ink material containing the ink adhesive is aobvious
Shadow excellent effect.
The present embodiment also provides a kind of method for preparing the biodegradable green printing ink binder comprising such as
Lower step:
Dehydrating condensation at 220 DEG C of lactic acid aqueous solution is obtained polylactic acid seed microballoon by S1, preparation polylactic acid seed microballoon.
S2, polylactic acid microsphere is prepared, the polylactic acid seed microballoon is mixed in proportion with crosslinking agent, initiator, emulsifier
After conjunction, pre-composition is obtained, stabilizer is added in Xiang Suoshu pre-composition, swelling reaction obtains polylactic acid microsphere ink adhesive, such as
Shown in Fig. 1.In the pre-composition, by percentage to the quality, the content of the crosslinking agent is 4%, and the content of the initiator is
2%, the content of the emulsifier is 4%, and surplus is the polylactic acid seed microballoon, and the crosslinking agent is 3 glycidyls third
Base trimethoxy silane (Z-6011), the initiator are persulfate, and the emulsifier is polyoxyethylene ether, the stabilizer
For di-tert-butyl hydroquinone.
The present embodiment also provides a kind of ink, and the ink includes above-mentioned degradable poly lactic acid microspheres ink adhesive, tool
Body, the ink is made by following component: the polylactic acid microsphere 25g that average grain diameter is 7 μm, the poly- hydroxyl that average grain diameter is 7 μm
Guanidine-acetic acid microballoon 8g, isopropanol 10g, methyl orange 10g, trimethyl silicone oil 1.5g, BYK-378 levelling agent 1.5g, lignin sulfonic acid
Sodium 1.5g, ammonium hydroxide 3g, deionized water 39.5g.
The ink is prepared by following technique: above-mentioned raw materials accurately being weighed, and are mixed in proportion, in high speed dispersion agent
High speed is dispersed to that all stock dispersions are uniform, obtains biodegradable water-based ink.
Embodiment 5
The present embodiment is substantially the same manner as Example 4, the difference is that, the biodegradable green printing ink connection
Material includes the polylactic acid microsphere and polyhydroxyalkanoatefrom microballoon that average grain diameter is 9 μm, and the mass ratio of the two is 1:1.
Embodiment 6
The present embodiment is substantially the same manner as Example 4, the difference is that, the biodegradable green printing ink connection
Material includes polylactic acid microsphere, polyglycolic acid microballoon and the polyhydroxyalkanoatefrom microballoon that average grain diameter is 6 μm, the quality of three
Than for 1:3:1.
Embodiment 7
The present embodiment is substantially the same manner as Example 4, the difference is that, the biodegradable green printing ink connection
Material includes the polylactic acid microsphere that average grain diameter is 5 μm, polyglycolic acid microballoon, and the mass ratio of the two is 1:8.
Comparative example 1
This comparative example provides a kind of using acrylate microspheres as the ink of binder, and the ink is made by following component:
Polyacrylic acid the ester microsphere 30g, isopropanol 12g, methyl orange 12g that average grain diameter is 8 μm, trimethyl silicone oil 1g, BYK-378 levelling
Agent 2g, wooden sodium sulfonate 2g, ammonium hydroxide 3g, deionized water 38g.
The ink is made by the steps: said components is proportionally weighed respectively, then in high speed disperser
By said components be uniformly dispersed to get.
Comparative example 2
This comparative example provides a kind of using polylactic acid microsphere as the ink of binder, and the ink is made by following component: flat
The polylactic acid microsphere 30g, isopropanol 12g, methyl orange 12g that equal partial size is 3 μm, trimethyl silicone oil 1g, BYK-378 levelling agent 2g,
Wooden sodium sulfonate 2g, ammonium hydroxide 3g, deionized water 38g.
The ink is made by the steps: said components is proportionally weighed respectively, then in high speed disperser
By said components be uniformly dispersed to get.
Comparative example 3
This comparative example provides a kind of using polylactic acid microsphere as the ink of binder, and the ink is made by following component: flat
The polylactic acid microsphere 30g, isopropanol 12g, methyl orange 12g that equal partial size is 15 μm, trimethyl silicone oil 1g, BYK-378 levelling agent 2g,
Wooden sodium sulfonate 2g, ammonium hydroxide 3g, deionized water 38g.
The ink is made by the steps: said components is proportionally weighed respectively, then in high speed disperser
By said components be uniformly dispersed to get.
Experimental example
The performance of ink described in testing example 1-3, comparative example 1-3 respectively, test item includes impact strength, ink
Glossiness and it is different bury the time under degradation rate.Wherein, the measuring method of impact strength refers to national standard GB/T1843-
2008, specimen length 80mm, width 10mm, thickness 4mm, notch type A, the standard impulse recommended using GB/T21189-2007 are strong
Spend testing machine test；The test of glossiness performance utilizes 0.006 " the Bird application device or wire rod (Paul in gap
N.Gardner Company, Inc., FL) ink sample is prepared in Leneta art post paperboard or plate and is easily tested, it utilizes
BYK-Gardner mist light reflectance meter measures glossiness with 60 degree of angle (mirror-reflection).Test result is as shown in table 1.
Table 1
Above-mentioned test result shows to have using water-based ink prepared by ink adhesive described in the embodiment of the present invention higher
Impact strength and glossiness, and degradation rate is high, almost degrades after 100 days, is a kind of to have excellent performance, is environmental-friendly
Ink material；And it is poor as the ink properties of binder using acrylic resin microballoon, degradation rate is slower, and can not be complete
There is certain harm to environment in degradation.When the average grain diameter of polylactic acid microsphere binder is less than 5 μm or is greater than 10 μm, ink
Glossiness it is poor, printing effect existing defects when printing.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of biodegradable green printing ink binder, which is characterized in that the ink adhesive includes average grain diameter
For 5-10 μm of polylactic acid microsphere.
2. biodegradable green printing ink binder according to claim 1, which is characterized in that the ink connection
Material further includes at least one of the polyglycolic acid microballoon that average grain diameter is 5-10 μm, polyhydroxyalkanoatefrom microballoon.
3. biodegradable green printing ink binder according to claim 1 or 2, which is characterized in that the ink
The average grain diameter of binder is 6 μm or 7 μm or 9 μm.
4. a kind of ink, which is characterized in that connected including biodegradable green printing ink as claimed in claim 1 or 2
Material.
5. ink according to claim 4, which is characterized in that by percentage to the quality, be grouped as by following group: it is described can
Biodegradable green printing ink binder 30-38%, isopropanol 8-15%, pigment 8-15%, defoaming agent 1-2%, levelling agent
1-2%, surfactant 1-2%, ammonium hydroxide 2-4%, surplus are water.
6. ink according to claim 5, which is characterized in that the defoaming agent is dimethyl polysiloxane, trimethyl silicane
At least one of oil, mineral oil, polyoxypropylene ethylene oxide glycerin ether, the levelling agent are BYK-378 levelling agent, methylol
At least one of cellulose, polyether-modified dimethyl polysiloxane, the surfactant are sodium lignin sulfonate, the face
Material is at least one of methyl orange, methyl blue, crystal violet, carbon black, titanium green hill, fuchsin 6B, benzidine yellow.
7. a kind of method for preparing biodegradable green printing ink binder as claimed in claim 1 or 2, feature exist
In including the following steps:
Lactic acid aqueous solution dehydrating condensation is obtained polylactic acid seed microballoon by S1, preparation polylactic acid seed microballoon；
S2, polylactic acid microsphere is prepared, the polylactic acid seed microballoon is mixed in proportion with crosslinking agent, initiator, emulsifier
It is swollen reaction after stabilizer is added to pre-composition, in Xiang Suoshu pre-composition, polylactic acid microsphere ink adhesive is obtained, with quality hundred
Divide than counting, in the pre-composition, the content of the crosslinking agent is 0.5-10%, and the content of the initiator is 0.1-5%, described
The content of emulsifier is 0.1-5%, and surplus is polylactic acid seed microballoon.
8. the preparation method of biodegradable green printing ink binder according to claim 7, which is characterized in that institute
It states in step S1, the temperature of dehydrating condensation is 180-240 DEG C.
9. the preparation method of biodegradable green printing ink binder according to claim 8, which is characterized in that institute
Stating crosslinking agent is γ-aminopropyl triethoxysilane, N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane, aminopropyl three
Ethoxysilane, vinyl three (2- methoxy ethoxy) silane, at least one in 3 glycidylpropyl trimethoxy silanes
Kind；Stating initiator is benzoyl peroxide, tert-butyl hydroperoxide, peroxidized t-butyl perbenzoate, methyl ethyl ketone peroxide, over cure
At least one of hydrochlorate, azodiisobutyronitrile；The emulsifier is triethanolamine monooleate ester, fatty alcohol, ethylene oxide, gathers
At least one of acrylamide, odium stearate, domiphen, polyoxyethylene ether, polyethenoxy ether；The stabilizer
For at least one of di-t-butyl methylphenol, di-tert-butyl hydroquinone.
10. a kind of prepare the method such as the described in any item ink of claim 4-6, which comprises the steps of: will
After ink adhesive is mixed with isopropanol, pigment, defoaming agent, levelling agent, surfactant, ammonium hydroxide and water, in 80-5000rpm
Revolving speed under be uniformly dispersed to obtain the final product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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