CN106147378A - A kind of containing kaolinic planographic ink of high concentration and preparation method thereof - Google Patents
A kind of containing kaolinic planographic ink of high concentration and preparation method thereof Download PDFInfo
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- CN106147378A CN106147378A CN201510165329.8A CN201510165329A CN106147378A CN 106147378 A CN106147378 A CN 106147378A CN 201510165329 A CN201510165329 A CN 201510165329A CN 106147378 A CN106147378 A CN 106147378A
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Abstract
The present invention relates to planographic ink technical field, it is specifically related to a kind of containing kaolinic planographic ink of high concentration and preparation method thereof, concrete steps include: mixed base ink, pigment binder, friction resistant auxiliary agent and ink oil are mixed, wherein mixed base ink uses secondary kneading process, add the Kaolin of higher concentration simultaneously and the coloring pigment containing moisture carries out mediating for the first time, add soft water after replacement dewatering again and carry out secondary kneading.Compared with prior art, this invention simplifies production technology, improve production efficiency, even if kaolinic content in increase ink, also can suppress the problem that the quality such as ink degree, mobility declines, thus the kaolinic addition that price is less expensive can be increased, prepare that dispersive property is good, glossiness and the excellent planographic ink of mobile performance, and then reduce production cost, there is preferable market prospect.
Description
Technical field
The present invention relates to planographic ink technical field, be specifically related to a kind of containing kaolinic planographic ink of high concentration and preparation method thereof.
Background technology
In prior art, when producing planographic ink, in order to adjust the mobility of ink, viscosity, and improve the printing adaptability of ink, typically require employing calcium carbonate, clay, the pigment of the inorganic body constitution such as silicon dioxide or Kaolin, need technique in two steps to prepare respectively during production and water down ink and coloring pigment base ink, the most first by inorganic pigment and the agitated mixing of pigment binder, grinding step is prepared as watering down ink, then by agitated to coloring pigment and pigment binder, grind, multiple operations such as dehydration are prepared as coloring pigment base ink, finally with coloring pigment base ink by watering down ink mix and be prepared as the ink of required character through a series of adjustment operations further.It is more cheap that kaolinic price in above-mentioned inorganic pigment used compares other inorganic extender pigment, therefore increases kaolinic consumption and can be substantially reduced the cost of ink.
But, Kaolin is difficult to carry out fine dispersion, in the Kaolin mixed process with pigment binder, owing to being affected by conditions such as temperature, the bad dispersibility watering down ink produced, when entering next step grinding step, needing to increase grinding number of times could control in acceptability limit by the fineness watering down ink, thus cause the production efficiency of ink low, and cost is high；On the other hand, in existing technique, Kaolin waters down ink and coloring pigment base ink separately produces, its complex process, thus has influence on Printing ink producing efficiency and cost；Furthermore, owing to Kaolin itself is containing water soluble ingredient, when increasing kaolinic addition, that is along with the increase of Kaolin ink addition, it may occur that the decline of the ink qualities such as the glossiness of ink, mobility, the problem that scumming, heap ink etc. easily occurs during actual printing, therefore, to use Kaolin highly difficult in a large number in planographic ink so that kaolinic addition is restricted, and then be difficult to reduce the cost of ink.
Summary of the invention
It is an object of the invention to avoid weak point of the prior art to provide a kind of preparation technology secondary simple, low cost to mediate method and produce the preparation method of high concentration Kaolin planographic ink, use this preparation method that the kaolinic concentration in obtained planographic ink composition is greatly improved, and make that obtained ink quality is high, performance is good, and low cost.
The purpose of the present invention is achieved through the following technical solutions:
One is provided to contain kaolinic planographic ink of high concentration and preparation method thereof, including following preparation process:
Step one, dry powder Kaolin are once mediated with coloring pigment:
By weight percentage, by 8～the dry powder Kaolin of 20%, 10～30% coloring pigment and 20～40% pigment binder be separately added in kneader and carry out mix and blend, mixing time is 20～30min, kneading temperature is 60～75 DEG C, then replacement dewatering is carried out, after standing a period of time makes oil-water separation, tilt the water on upper strata is poured out by kneader, it is thus achieved that a kneaded mixture；
Wherein, described coloring pigment is filter cake pigment or charcoal blacks, and described filter cake pigment is C.I. paratonere 57:1 filter cake pigment, C.I. pigment Yellow 12 filter cake pigment, C.I. pigment blue 15: any one in 3 filter cake pigment；
Described charcoal blacks is the black pigment that C.I. pigment black 7 mixes according to the ratio that weight ratio is 2:1～1:2 with soft water；
Step 2, secondary are mediated:
In kneader, 50～the soft water of 100% of an addition kneaded mixture gross weight described in step one, carry out remixing stirring, after mixing time 5～10min, mediating temperature is 60～75 DEG C, then replacement dewatering, when soft water electrical conductivity reaches 1, carries out next step after 000 μ S/cm；
Step 3, vacuum dehydration:
Kneader is carried out evacuation, and vaporization temperature is 80～100 DEG C, vacuum is 0.06～0.1MPa, further the moisture of extrusion residual；
Step 4, mix and blend:
Adding the pigment binder that percentage by weight is 30～50% in kneader, and be thoroughly mixed, mixing time is 60～120min, whipping temp is 70～90 DEG C, it is thus achieved that ink mixture；
Step 5, grinding:
Being put in three-roller by the described ink mixture that step 4 obtains and be ground, grinding temperature is 45～60 DEG C, is ground to fineness less than after 7.5 μm, it is thus achieved that mixed base ink；
Step 6, prepare planographic ink finished product:
By weight percentage, mixed base ink described in prepared by step 5 40～70%, and 25～50% pigment binder, 1.5～4% friction resistant auxiliary agent and 2～6% ink oil add in blender, it is then turned on stirring, material is made to be sufficiently mixed, controlling mixing time is 20～30min, and whipping temp is 45～60 DEG C, obtains planographic ink finished product after cooling；
Pigment binder in above-mentioned steps one, step 4 and step 6 comprises the following raw materials by weight percent:
Resin: 30～60%；
Mineral oil: 15～30%；
Vegetable oil: 20～40%；
Gel: 0.5～3.0%；
Described resin is rosin modified phenolic resin, plant oil modified alkyd resin, Abietyl modified maleic acid resin, any one or more than one the mixture in petroleum resin modified phenolic resin, polyester resin；
Friction resistant auxiliary agent in above-mentioned steps six is any one or more than one the mixture in Tissuemat E, microwax, paraffin, polytetrafluoroethylwax wax；
Ink oil in above-mentioned steps six is vapo(u)rizing temperature at the mineral oil of 230～330 DEG C or vegetable oil.
Preferably, preparation method includes following preparation process:
Step one, dry powder Kaolin are once mediated with coloring pigment:
By weight percentage, the pigment binder of dry powder Kaolin, the C.I. paratonere 57:1 filter cake pigment of 20% and 37% by 8% is separately added in kneader and carries out mix and blend, mixing time is 25min, kneading temperature is 65 DEG C, then replacement dewatering is carried out, after standing a period of time makes oil-water separation, tilt the water on upper strata is poured out by kneader, it is thus achieved that a kneaded mixture；
Step 2, secondary are mediated:
In kneader, the soft water of the 50% of an addition kneaded mixture gross weight described in step one, carries out remixing stirring, and after mixing time 5min, mediating temperature is 75 DEG C, and then replacement dewatering, when soft water electrical conductivity reaches 1, carries out next step after 000 μ S/cm；
Step 3, vacuum dehydration:
Kneader is carried out evacuation, and vaporization temperature is 85 DEG C, vacuum is 0.1MPa, further the moisture of extrusion residual；
Step 4, mix and blend:
Adding the pigment binder that percentage by weight is 35% in kneader, and be thoroughly mixed, mixing time is 80min, whipping temp is 70 DEG C, it is thus achieved that ink mixture；
Step 5, grinding:
Being put in three-roller by the described ink mixture that step 4 obtains and be ground, grinding temperature is 55 DEG C, is ground to fineness less than after 7.5 μm, it is thus achieved that mixed base ink；
Step 6, prepare planographic ink finished product:
By weight percentage, mixed base ink described in prepared by step 5 50%, and 43% pigment binder, 3% Tissuemat E and 4% ink oil add in blender, it is then turned on stirring, material is made to be sufficiently mixed, control mixing time is 20min, and whipping temp is 50 DEG C, obtains planographic ink finished product after cooling.
Preferably, preparation method includes following preparation process:
Step one, dry powder Kaolin are once mediated with coloring pigment:
By weight percentage, the pigment binder of dry powder Kaolin, the C.I. pigment Yellow 12 filter cake pigment of 17.5% and 28% by 14% is separately added in kneader and carries out mix and blend, mixing time is 30min, kneading temperature is 60 DEG C, then replacement dewatering is carried out: after standing a period of time makes oil-water separation, tilt the water on upper strata is poured out by kneader, it is thus achieved that a kneaded mixture；
Step 2, secondary are mediated:
In kneader, the soft water of the 80% of an addition kneaded mixture gross weight described in step one, carries out remixing stirring, and after mixing time 8min, mediating temperature is 70 DEG C, and then replacement dewatering, when soft water electrical conductivity reaches 1, carries out next step after 000 μ S/cm；
Step 3, vacuum dehydration:
Kneader is carried out evacuation, and vaporization temperature is 80 DEG C, vacuum is 0.08MPa, further the moisture of extrusion residual；
Step 4, mix and blend:
Adding the pigment binder that percentage by weight is 40.5% in kneader, and be thoroughly mixed, mixing time is 60min, whipping temp is 80 DEG C, it is thus achieved that ink mixture；
Step 5, grinding:
Being put in three-roller by the described ink mixture that step 4 obtains and be ground, grinding temperature is 50 DEG C, is ground to fineness less than after 7.5 μm, it is thus achieved that mixed base ink；
Step 6, prepare planographic ink finished product:
By weight percentage, mixed base ink described in prepared by step 5 57.1%, and 35.9% pigment binder, 2% paraffin and 5% ink oil add in blender, it is then turned on stirring, material is made to be sufficiently mixed, control mixing time is 25min, and whipping temp is 45 DEG C, obtains planographic ink finished product after cooling.
Beneficial effects of the present invention:
The secondary of the present invention is mediated method and is produced the preparation method of high concentration Kaolin planographic ink, concrete steps include: by mixed base ink, pigment binder, friction resistant auxiliary agent and ink oil mix, wherein mixed base ink uses secondary kneading process, add the Kaolin of higher concentration simultaneously and the coloring pigment containing moisture carries out mediating for the first time, add soft water after replacement dewatering again and carry out secondary kneading, prior art is prepared respectively and water-free water down ink and prepare two techniques of coloring pigment base ink and merge and once carry out, thus substantially reduce the production time of entirety, reduce and grind number of times and milling time, improve production efficiency；In the preparation process of mixed base ink, before and after dehydration procedure, add pigment binder at twice, to improve kaolinic dispersibility, be conducive to the fineness by mixed base ink to control in qualified scope, effectively reduce the number of times ground；Therefore, compared with prior art, this invention simplifies production technology, improve production efficiency, even if increasing kaolinic content in ink, also can suppress the problem that the qualities such as ink degree, mobility decline, thus the kaolinic addition that price is less expensive can be increased, prepare that dispersive property is good, glossiness and the excellent planographic ink of mobile performance, and then greatly reduce production cost, the large-scale promotion of beneficially industrialization and application.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
Secondary is mediated method and is produced the preparation method of high concentration Kaolin planographic ink, including following preparation process:
Step one, dry powder Kaolin are once mediated with coloring pigment:
By weight percentage, the pigment binder of dry powder Kaolin, the C.I. paratonere 57:1 filter cake pigment of 20% and 37% by 8% is separately added in kneader and carries out mix and blend, mixing time is 25min, kneading temperature is 65 DEG C, then replacement dewatering is carried out, after standing a period of time makes oil-water separation, tilt the water on upper strata is poured out by kneader, it is thus achieved that a kneaded mixture；
Concrete, coloring pigment is filter cake pigment or charcoal blacks, and wherein filter cake pigment is C.I. paratonere 57:1 filter cake pigment, C.I. pigment Yellow 12 filter cake pigment, C.I. pigment blue 15: any one in 3 filter cake pigment；
Charcoal blacks is the black pigment that C.I. pigment black 7 mixes according to the ratio that weight ratio is 2:1～1:2 with soft water；
Step 2, secondary are mediated:
In kneader, the soft water of the 50% of an addition kneaded mixture gross weight described in step one, carries out remixing stirring, and after mixing time 5min, mediating temperature is 75 DEG C, and then replacement dewatering, when soft water electrical conductivity reaches 1, carries out next step after 000 μ S/cm；
Step 3, vacuum dehydration:
Kneader is carried out evacuation, and vaporization temperature is 85 DEG C, vacuum is 0.1MPa, further the moisture of extrusion residual；
Step 4, mix and blend:
Adding the pigment binder that percentage by weight is 35% in kneader, and be thoroughly mixed, mixing time is 80min, whipping temp is 70 DEG C, it is thus achieved that ink mixture；
Step 5, grinding:
Being put in three-roller by the described ink mixture that step 4 obtains and be ground, grinding temperature is 55 DEG C, is ground to fineness less than after 7.5 μm, it is thus achieved that mixed base ink；
Step 6, prepare planographic ink finished product:
By weight percentage, mixed base ink described in prepared by step 5 50%, and 43% pigment binder, 3% Tissuemat E and 4% ink oil add in blender, it is then turned on stirring, material is made to be sufficiently mixed, control mixing time is 20min, and whipping temp is 50 DEG C, obtains planographic ink finished product after cooling.
Concrete, the pigment binder in above-mentioned steps one, step 4 and step 6 comprises the following raw materials by weight percent:
Resin: 30～60%；
Mineral oil: 15～30%；
Vegetable oil: 20～40%；
Gel: 0.5～3.0%；
Wherein resin is rosin modified phenolic resin, plant oil modified alkyd resin, Abietyl modified maleic acid resin, any one or more than one the mixture in petroleum resin modified phenolic resin, polyester resin；
Concrete, the friction resistant auxiliary agent in above-mentioned steps six is any one or more than one the mixture in Tissuemat E, microwax, paraffin, polytetrafluoroethylwax wax；
Concrete, ink oil in above-mentioned steps six is vapo(u)rizing temperature at the mineral oil of 230～330 DEG C or vegetable oil.
Claims (4)
1. one kind containing the kaolinic planographic ink of high concentration and preparation method thereof, it is characterised in that: include following preparation process:
Step one, dry powder Kaolin are once mediated with coloring pigment:
By weight percentage, by 8～the dry powder Kaolin of 20%, 10～30% coloring pigment and 20～40% pigment binder be separately added in kneader and carry out mix and blend, mixing time is 20～30min, kneading temperature is 60～75 DEG C, then replacement dewatering is carried out, after standing a period of time makes oil-water separation, tilt the water on upper strata is poured out by kneader, it is thus achieved that a kneaded mixture；
Wherein, described coloring pigment is filter cake pigment or charcoal blacks, and described filter cake pigment is C.I. paratonere 57:1 filter cake pigment, C.I. pigment Yellow 12 filter cake pigment, C.I. pigment blue 15: any one in 3 filter cake pigment；
Described charcoal blacks is the black pigment that C.I. pigment black 7 mixes according to the ratio that weight ratio is 2:1～1:2 with soft water；
Step 2, secondary are mediated:
In kneader, 50～the soft water of 100% of an addition kneaded mixture gross weight described in step one, carry out remixing stirring, after mixing time 5～10min, mediating temperature is 60～75 DEG C, then replacement dewatering, when soft water electrical conductivity reaches 1, carries out next step after 000 μ S/cm；
Step 3, vacuum dehydration:
Kneader is carried out evacuation, and vaporization temperature is 80～100 DEG C, vacuum is 0.06～0.1MPa, further the moisture of extrusion residual；
Step 4, mix and blend:
Adding the pigment binder that percentage by weight is 30～50% in kneader, and be thoroughly mixed, mixing time is 60～120min, whipping temp is 70～90 DEG C, it is thus achieved that ink mixture；
Step 5, grinding:
Being put in three-roller by the described ink mixture that step 4 obtains and be ground, grinding temperature is 45～60 DEG C, is ground to fineness less than after 7.5 μm, it is thus achieved that mixed base ink；
Step 6, prepare planographic ink finished product:
By weight percentage, mixed base ink described in prepared by step 5 40～70%, and 25～50% pigment binder, 1.5～4% friction resistant auxiliary agent and 2～6% ink oil add in blender, it is then turned on stirring, material is made to be sufficiently mixed, controlling mixing time is 20～30min, and whipping temp is 45～60 DEG C, obtains planographic ink finished product after cooling；
Pigment binder in above-mentioned steps one, step 4 and step 6 comprises the following raw materials by weight percent:
Resin: 30～60%；
Mineral oil: 15～30%；
Vegetable oil: 20～40%；
Gel: 0.5～3.0%；
Described resin is rosin modified phenolic resin, plant oil modified alkyd resin, Abietyl modified maleic acid resin, any one or more than one the mixture in petroleum resin modified phenolic resin, polyester resin；
Friction resistant auxiliary agent in above-mentioned steps six is any one or more than one the mixture in Tissuemat E, microwax, paraffin, polytetrafluoroethylwax wax；
Ink oil in above-mentioned steps six is vapo(u)rizing temperature at the mineral oil of 230～330 DEG C or vegetable oil.
One the most according to claim 1 is containing the kaolinic planographic ink of high concentration and preparation method thereof, it is characterised in that: include following preparation process:
Step one, dry powder Kaolin are once mediated with coloring pigment:
By weight percentage, the pigment binder of dry powder Kaolin, the C.I. paratonere 57:1 filter cake pigment of 20% and 37% by 8% is separately added in kneader and carries out mix and blend, mixing time is 25min, kneading temperature is 65 DEG C, then replacement dewatering is carried out, after standing a period of time makes oil-water separation, tilt the water on upper strata is poured out by kneader, it is thus achieved that a kneaded mixture；
Step 2, secondary are mediated:
In kneader, the soft water of the 50% of an addition kneaded mixture gross weight described in step one, carries out remixing stirring, and after mixing time 5min, mediating temperature is 75 DEG C, and then replacement dewatering, when soft water electrical conductivity reaches 1, carries out next step after 000 μ S/cm；
Step 3, vacuum dehydration:
Kneader is carried out evacuation, and vaporization temperature is 85 DEG C, vacuum is 0.1MPa, further the moisture of extrusion residual；
Step 4, mix and blend:
Adding the pigment binder that percentage by weight is 35% in kneader, and be thoroughly mixed, mixing time is 80min, whipping temp is 70 DEG C, it is thus achieved that ink mixture；
Step 5, grinding:
Being put in three-roller by the described ink mixture that step 4 obtains and be ground, grinding temperature is 55 DEG C, is ground to fineness less than after 7.5 μm, it is thus achieved that mixed base ink；
Step 6, prepare planographic ink finished product:
By weight percentage, mixed base ink described in prepared by step 5 50%, and 43% pigment binder, 3% Tissuemat E and 4% ink oil add in blender, it is then turned on stirring, material is made to be sufficiently mixed, control mixing time is 20min, and whipping temp is 50 DEG C, obtains planographic ink finished product after cooling.
One the most according to claim 1 is containing the kaolinic planographic ink of high concentration and preparation method thereof, it is characterised in that: include following preparation process:
Step one, dry powder Kaolin are once mediated with coloring pigment:
By weight percentage, dry powder Kaolin, the C.I. pigment Yellow 12 filter cake pigment of 17.5% and 28% pigment binder by 14% are separately added in kneader and carry out mix and blend, mixing time is 30min, kneading temperature is 60 DEG C, then replacement dewatering is carried out: after standing a period of time makes oil-water separation, tilt the water on upper strata is poured out by kneader, it is thus achieved that a kneaded mixture；
Step 2, secondary are mediated:
In kneader, the soft water of the 80% of an addition kneaded mixture gross weight described in step one, carries out remixing stirring, and after mixing time 8min, mediating temperature is 70 DEG C, and then replacement dewatering, when soft water electrical conductivity reaches 1, carries out next step after 000 μ S/cm；
Step 3, vacuum dehydration:
Kneader is carried out evacuation, and vaporization temperature is 80 DEG C, vacuum is 0.08MPa, further the moisture of extrusion residual；
Step 4, mix and blend:
Adding the pigment binder that percentage by weight is 40.5% in kneader, and be thoroughly mixed, mixing time is 60min, whipping temp is 80 DEG C, it is thus achieved that ink mixture；
Step 5, grinding:
Being put in three-roller by the described ink mixture that step 4 obtains and be ground, grinding temperature is 50 DEG C, is ground to fineness less than after 7.5 μm, it is thus achieved that mixed base ink；
Step 6, prepare planographic ink finished product:
By weight percentage, mixed base ink described in prepared by step 5 57.1%, and 35.9% pigment binder, 2% paraffin and 5% ink oil add in blender, it is then turned on stirring, material is made to be sufficiently mixed, control mixing time is 25min, and whipping temp is 45 DEG C, obtains planographic ink finished product after cooling.
One the most according to claim 1 is containing the kaolinic planographic ink of high concentration and preparation method thereof, it is characterised in that: include following preparation process:
Step one, dry powder Kaolin are once mediated with coloring pigment:
By weight percentage, black pigment and the pigment binder of 30% that dry powder Kaolin by 18%, the C.I. pigment black 7 of 15% mix according to the ratio of 1:1 with soft water are separately added in kneader and carry out mix and blend, mixing time is 20min, kneading temperature is 70 DEG C, then replacement dewatering is carried out: after standing a period of time makes oil-water separation, tilt the water on upper strata is poured out by kneader, it is thus achieved that a kneaded mixture；
Step 2, secondary are mediated:
In kneader, the soft water of the 100% of an addition kneaded mixture gross weight described in step one, carries out remixing stirring, after mixing time 10min, mediating temperature is 60 DEG C, then replacement dewatering, when soft water electrical conductivity reaches 1, carries out next step after 000 μ S/cm；
Step 3, vacuum dehydration:
Kneader is carried out evacuation, and vaporization temperature is 95 DEG C, vacuum is 0.06MPa, further the moisture of extrusion residual；
Step 4, mix and blend:
Adding the pigment binder that percentage by weight is 37% in kneader, and be thoroughly mixed, mixing time is 120min, whipping temp is 75 DEG C, it is thus achieved that ink mixture；
Step 5, grinding:
Being put in three-roller by the described ink mixture that step 4 obtains and be ground, grinding temperature is 60 DEG C, is ground to fineness less than after 7.5 μm, it is thus achieved that mixed base ink；
Step 6, prepare planographic ink finished product:
By weight percentage, mixed base ink described in prepared by step 5 66.6%, and mixture and 3% ink oil of 26.4% pigment binder, 4% Tissuemat E and any ratio of polytetrafluoroethylwax wax add in blender, it is then turned on stirring, material is made to be sufficiently mixed, control mixing time is 30min, and whipping temp is 60 DEG C, obtains planographic ink finished product after cooling.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624128A (en) * | 2018-06-08 | 2018-10-09 | 奥莱鑫科技股份有限公司 | A kind of environment-friendly type freezes off black ink and its production technology |
| CN115505296A (en) * | 2021-06-23 | 2022-12-23 | 上海深日化工有限公司 | Preparation method of low-odor cold-set offset plate rotary black ink |
-
2015
- 2015-04-09 CN CN201510165329.8A patent/CN106147378A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624128A (en) * | 2018-06-08 | 2018-10-09 | 奥莱鑫科技股份有限公司 | A kind of environment-friendly type freezes off black ink and its production technology |
| CN115505296A (en) * | 2021-06-23 | 2022-12-23 | 上海深日化工有限公司 | Preparation method of low-odor cold-set offset plate rotary black ink |
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