A kind of environmental protection UV curable inkTechnical field：
The present invention relates to technical field of environmental protection ink, and in particular to a kind of environmental protection UV curable ink.
Background technology：
UV curable ink refers to that the binder under the ultraviolet light of certain wavelength in ink crosslinks reaction,It is changed into solid-state from liquid and completes cured ink.As a kind of new environment-friendlyink ink UV curable ink have it is energy saving,Solvent-free discharge, free from environmental pollution, production efficiency is high, low etc. excellent suitable for temperature sensitive substrate, printing excellent performance, equipment investmentPoint, has extremely to be widely applied on the printing faces such as paper, plastic-metal, paint film and almost contains all existing printersSkill, the occupation rate of ink in the market are also stepping up.
In the prior art, esters of acrylic acid small molecule monomer is contained mostly in the component of UV curable ink, in room temperatureUnder saturated vapour pressure it is larger, it is readily volatilized, and this kind of reactive diluent mostly have compare strong impulse smell, becauseThis produces that UV printing ink may pollute production and the environment used and printing effect is poor.
The content of the invention：
The technical problems to be solved by the invention are to provide a kind of environmentally friendly UV curable ink, have quick solidifying, resistance toHot, wear-resistant, the advantages of printing performance is good, reduce the penetrating odor of ink, environment protection health.
The technical problems to be solved by the invention are realized using following technical solution：
The present invention provides a kind of environmentally friendly UV curable ink, include the raw material of following parts by weight：Environment protection modification resin65~80 parts, it is 5~15 parts of ultraviolet initiator, 8~18 parts of Cu-Zn alloy powder, 3~10 parts of trimethylolpropane trimethacrylate, concavo-convex2~8 parts of rod soil, 1~5 part of organic silicon modified by polyether oxygen alkane, 0.5~3 part of silane coupling agent, 0.1~0.6 part of dimethicone,1~3 part of photosensitizer, 0.2~0.8 part of thickener.
The environment protection modification resin includes the raw material of following parts by weight：6~10 parts of waterborne acrylic paint, aminomethyl phenyl2~6 parts of silicones, 1~3 part of tetrahydrophthalic anhydride, 0.8~1.2 part of acrylic acid.
Preferably, the raw material of following parts by weight is included：72 parts of environment protection modification resin, 9 parts of ultraviolet initiator, Cu-Zn alloy powder 12Part, 7 parts of trimethylolpropane trimethacrylate, 5 parts of attapulgite, 2 parts of organic silicon modified by polyether oxygen alkane, 1 part of silane coupling agent,0.5 part of dimethicone, 2 parts of photosensitizer, 0.6 part of thickener；
The environment protection modification resin includes the raw material of following parts by weight：8 parts of waterborne acrylic paint, aminomethyl phenyl silicon tree3 parts of fat, 2 parts of tetrahydrophthalic anhydride, 0.8 part of acrylic acid.
Preferably, the photosensitizer for 2- ethyl hydrazine, styrax diethyl ether, 2- hydroxy-2-methyl -1- phenylacetones,One or more combinations in 1- hydroxy cyclohexyl phenylketones.
Preferably, the thickener is alkali swelling type acrylate copolymer, polyurethanes, cellulose family water-based thickenerIn one or more combinations.
Present invention also offers the preparation method of above-mentioned environmentally friendly UV curable ink, comprise the following steps：
1) mill base is prepared：Environment protection modification resin, Cu-Zn alloy powder are put into mill base special barrel according to parts by weight, 600~800r/Stirred evenly under min rotating speeds, then put into three-roller and be ground to particle diameter less than 20 μm, obtain mill base；
2) ink formulation is premixed：Ultraviolet initiator, trimethylolpropane trimethacrylate, attapulgite, silane is evenJoin in agent, dimethicone, photosensitizer input reaction kettle, stir evenly, then put into mill base, thickener, organic silicon modified by polyetherOxygen alkane, is warming up to 40~60 DEG C, 40~60min of insulated and stirred, obtains premix ink；
3) grinding filtering：Premix ink is ground to particle diameter less than 10 μm using three-roller, 200~300 mesh sieves is crossed, obtainsThe environmental protection UV curable ink.
The beneficial effects of the invention are as follows：1st, environmentally friendly UV curable ink of the invention, is main using environment protection modification resinComponent, by the reactive diluent trimethylolpropane trimethacrylate, loose more for adding colouring agent Cu-Zn alloy powder, good intermiscibilityStick attapulgite, the defoaming lubricant organic silicon modified by polyether oxygen alkane in hole, compound a variety of conventional auxiliary agents, composition proportion is closedReason environmental protection, has the advantages that quick solidifying, heat-resisting, wear-resistant, printing performance is good, reduces the penetrating odor of ink, ring health careHealth.
2nd, environment protection modification resin of the invention, with cheap environmental protection, glossiness is good, the water of excellent pigment wetability and color developingProperty acrylate is principal resinous ingredients, by the methyl phenyl silicone resin, the curing agent tetrahydrochysene benzene that add high-temperature corrosion resistanceThe fast vinyl monomer acrylic acid of acid anhydride, polymerization speed, is modified waterborne acrylic paint, has obtained high comprehensive performanceEnvironment protection modification resin.
Embodiment：
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie belowSpecific embodiment is closed, the present invention is further explained.
Embodiment 1
A kind of environmental protection UV curable ink, includes the raw material of following parts by weight：72 parts of environment protection modification resin, ultraviolet light drawSend out 9 parts of agent, 12 parts of Cu-Zn alloy powder, 7 parts of trimethylolpropane trimethacrylate, 5 parts of attapulgite, organic silicon modified by polyether oxygen alkane 2Part, 1 part of silane coupling agent, 0.5 part of dimethicone, 2 parts of styrax diethyl ether, 0.6 part of alkali swelling type acrylate copolymer；Environment protection modification resin includes the raw material of following parts by weight：8 parts of waterborne acrylic paint, 3 parts of methyl phenyl silicone resin, tetrahydrochysene benzene2 parts of acid anhydride, 0.8 part of acrylic acid.
The preparation method of above-mentioned environmental protection UV curable ink, comprises the following steps：
1) mill base is prepared：Environment protection modification resin, Cu-Zn alloy powder are put into mill base special barrel according to parts by weight, 700r/min turnsStirred evenly under speed, then put into three-roller and be ground to particle diameter less than 20 μm, obtain mill base；
2) ink formulation is premixed：Ultraviolet initiator, trimethylolpropane trimethacrylate, attapulgite, silane is evenJoin in agent, dimethicone, photosensitizer input reaction kettle, stir evenly, then put into mill base, thickener, organic silicon modified by polyetherOxygen alkane, is warming up to 60 DEG C, insulated and stirred 60min, obtains premix ink；
3) grinding filtering：Premix ink is ground to particle diameter less than 10 μm using three-roller, 200~300 mesh sieves is crossed, obtainsThe environmental protection UV curable ink.
Embodiment 2
A kind of environmental protection UV curable ink, includes the raw material of following parts by weight：70 parts of environment protection modification resin, ultraviolet light drawSend out 12 parts of agent, 14 parts of Cu-Zn alloy powder, 6 parts of trimethylolpropane trimethacrylate, 5 parts of attapulgite, organic silicon modified by polyether oxygen alkane 2Part, 1.6 parts of silane coupling agent, 0.3 part of dimethicone, 1 part of 2- hydroxy-2-methyl -1- phenylacetones, polyurethanes thickener0.5 part；Environment protection modification resin includes the raw material of following parts by weight：8 parts of waterborne acrylic paint, 4 parts of methyl phenyl silicone resin,2 parts of tetrahydrophthalic anhydride, 1.0 parts of acrylic acid.
The preparation method of above-mentioned environmental protection UV curable ink, comprises the following steps：
1) mill base is prepared：Environment protection modification resin, Cu-Zn alloy powder are put into mill base special barrel according to parts by weight, 800r/min turnsStirred evenly under speed, then put into three-roller and be ground to particle diameter less than 20 μm, obtain mill base；
2) ink formulation is premixed：Ultraviolet initiator, trimethylolpropane trimethacrylate, attapulgite, silane is evenJoin in agent, dimethicone, photosensitizer input reaction kettle, stir evenly, then put into mill base, thickener, organic silicon modified by polyetherOxygen alkane, is warming up to 55 DEG C, insulated and stirred 48min, obtains premix ink；
3) grinding filtering：Premix ink is ground to particle diameter less than 10 μm using three-roller, 200~300 mesh sieves is crossed, obtainsThe environmental protection UV curable ink.
Embodiment 3
A kind of environmental protection UV curable ink, includes the raw material of following parts by weight：74 parts of environment protection modification resin, ultraviolet light drawSend out 11 parts of agent, 9 parts of Cu-Zn alloy powder, 7 parts of trimethylolpropane trimethacrylate, 5 parts of attapulgite, organic silicon modified by polyether oxygen alkane 3Part, 2.2 parts of silane coupling agent, 0.3 part of dimethicone, 2 parts of 1- hydroxy cyclohexyl phenylketones, cellulose family water-based thickener0.4 part；Environment protection modification resin includes the raw material of following parts by weight：9 parts of waterborne acrylic paint, 4 parts of methyl phenyl silicone resin,3 parts of tetrahydrophthalic anhydride, 1.2 parts of acrylic acid.
The preparation method of above-mentioned environmental protection UV curable ink, comprises the following steps：
1) mill base is prepared：Environment protection modification resin, Cu-Zn alloy powder are put into mill base special barrel according to parts by weight, 600~800r/Stirred evenly under min rotating speeds, then put into three-roller and be ground to particle diameter less than 20 μm, obtain mill base；
2) ink formulation is premixed：Ultraviolet initiator, trimethylolpropane trimethacrylate, attapulgite, silane is evenJoin in agent, dimethicone, photosensitizer input reaction kettle, stir evenly, then put into mill base, thickener, organic silicon modified by polyetherOxygen alkane, is warming up to 45 DEG C, insulated and stirred 60min, obtains premix ink；
3) grinding filtering：Premix ink is ground to particle diameter less than 10 μm using three-roller, 200~300 mesh sieves is crossed, obtainsThe environmental protection UV curable ink.
Embodiment 4
A kind of environmental protection UV curable ink, includes the raw material of following parts by weight：80 parts of environment protection modification resin, ultraviolet light drawSend out 13 parts of agent, 16 parts of Cu-Zn alloy powder, 10 parts of trimethylolpropane trimethacrylate, 7 parts of attapulgite, organic silicon modified by polyether oxygen alkane5 parts, 2.6 parts of silane coupling agent, 0.6 part of dimethicone, 3 parts of 2- ethyl hydrazine, alkali swelling type acrylate copolymer 0.8Part；Environment protection modification resin includes the raw material of following parts by weight：10 parts of waterborne acrylic paint, 6 parts of methyl phenyl silicone resin, four3 parts of hydrogen phthalic anhydride, 1.2 parts of acrylic acid.
The preparation method of above-mentioned environmental protection UV curable ink, comprises the following steps：
1) mill base is prepared：Environment protection modification resin, Cu-Zn alloy powder are put into mill base special barrel according to parts by weight, 800r/min turnsStirred evenly under speed, then put into three-roller and be ground to particle diameter less than 20 μm, obtain mill base；
2) ink formulation is premixed：Ultraviolet initiator, trimethylolpropane trimethacrylate, attapulgite, silane is evenJoin in agent, dimethicone, photosensitizer input reaction kettle, stir evenly, then put into mill base, thickener, organic silicon modified by polyetherOxygen alkane, is warming up to 60 DEG C, insulated and stirred 50min, obtains premix ink；
3) grinding filtering：Premix ink is ground to particle diameter less than 10 μm using three-roller, 200~300 mesh sieves is crossed, obtainsThe environmental protection UV curable ink.
Comparative example 1
A kind of environmental protection UV curable ink, includes the raw material of following parts by weight：It is 72 parts of waterborne acrylic paint, ultraviolet9 parts of photoinitiator, 12 parts of Cu-Zn alloy powder, 7 parts of trimethylolpropane trimethacrylate, 5 parts of attapulgite, organic silicon modified by polyether oxygen2 parts of alkane, 1 part of silane coupling agent, 0.5 part of dimethicone, 2 parts of styrax diethyl ether, alkali swelling type acrylate copolymer 0.6Part.
The preparation method of above-mentioned environmental protection UV curable ink, comprises the following steps：
1) mill base is prepared：Waterborne acrylic paint, Cu-Zn alloy powder are put into mill base special barrel according to parts by weight, 700r/Stirred evenly under min rotating speeds, then put into three-roller and be ground to particle diameter less than 20 μm, obtain mill base；
2) ink formulation is premixed：Ultraviolet initiator, trimethylolpropane trimethacrylate, attapulgite, silane is evenJoin in agent, dimethicone, photosensitizer input reaction kettle, stir evenly, then put into mill base, thickener, organic silicon modified by polyetherOxygen alkane, is warming up to 60 DEG C, insulated and stirred 60min, obtains premix ink；
3) grinding filtering：Premix ink is ground to particle diameter less than 10 μm using three-roller, 200~300 mesh sieves is crossed, obtainsThe environmental protection UV curable ink.
Performance test：When the environmentally friendly UV curable ink prepared to above-described embodiment, comparative example has carried out average dryBetween, the test of hardness, heat resistance, concrete outcome is shown in Table 1.
The environmentally friendly UV curable ink the performance test results of table 1.
As can be seen from the above table, the environmentally friendly UV curable ink of embodiment of the present invention drying time that is averaged is short, after dryHardness is high, 300 DEG C, it is not blistering in 10s do not fall oil, there is quick solidifying, wear-resistant, heat safe.Comparative example 1 changes environmental protectionProperty resin changed into routine waterborne acrylic paint, curings, hardness, Heat-tolerant index decline significantly.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industryPersonnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe thisThe principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changesChange and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and itsEquivalent thereof.