CN111534145A - Pigment red for tin printing ink and preparation method thereof - Google Patents
Pigment red for tin printing ink and preparation method thereof Download PDFInfo
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- CN111534145A CN111534145A CN202010573574.3A CN202010573574A CN111534145A CN 111534145 A CN111534145 A CN 111534145A CN 202010573574 A CN202010573574 A CN 202010573574A CN 111534145 A CN111534145 A CN 111534145A
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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
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
- B01F27/172—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing for cutting, e.g. with knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses pigment red for tin printing ink and a preparation method thereof, belonging to the field of pigment preparation. A pigment red for tin printing ink and a preparation method thereof are disclosed, wherein deionized water, 2B acid and sodium sulfite are sequentially added into a diazo reaction container, calcium chloride solution is added after uniform stirring, hydrochloric acid is added for stirring to obtain diazo solution, 2,3 acid is added into a coupling reaction container, liquid alkali is added while stirring, rosin is continuously added and stirred until the rosin is completely dissolved to obtain coupling liquid, coupling agent is added into a mixing reaction container, a stirring device in the mixing reaction container is started, diazo liquid and the coupling liquid are added while stirring for coupling reaction, PH is adjusted to be neutral, heating and heat preservation operations are carried out, and then cooling, filtering, washing, drying and crushing are carried out to obtain pigment red 48: 2, the coupling agent can be reasonably used, so that the particles are not easy to aggregate in the pigment preparation process, and the dispersibility of the pigment is improved.
Description
Technical Field
The invention relates to the field of pigment preparation, in particular to pigment red for tin printing ink and a preparation method thereof.
Background
Tin printing ink and lithographic printing ink. The ink is a general name for inks used in letterpress offset presses and wet offset printing methods for printing iron sheets (tinplate) and treating metals such as steel plates and aluminum plates. The tin printing ink is divided into an inner coating and an outer coating. The external coating can be divided into printing white ink, roller coating white ink, color ink, finishing oil and the like.
The pigment is a colored fine particle powdery substance, is generally insoluble in media such as water, oil, solvent and resin, and can be dispersed in various media. It has hiding power, tinctorial strength, is relatively light stable, and is commonly used in formulating paints, tinplate inks, and pigmented plastics and rubbers, and thus may be referred to as a colorant. Pigments are classified into two major classes, inorganic pigments and organic pigments, from the chemical composition, and also into natural pigments and synthetic pigments. Natural pigments are derived from minerals such as: cinnabar, red earth, realgar, malachite green, heavy calcium carbonate, wollastonite, barite powder, talcum powder, mica powder, kaolin and the like. Biologically derived, such as from animals: cochineal red, natural fish scale powder, etc.; from plants are: gamboge, alizarin red, indigo and the like. The synthetic pigment is synthesized artificially, such as inorganic pigments of titanium white, lithopone, lead chrome yellow, iron blue and the like, and organic pigments of scarlet powder, azo yellow, phthalocyanine blue, quinacridone and the like.
Existing pigment red 48: 2, a coupling agent component 2.3 acid (2-hydroxy-3-naphthoic acid) and a diazo component 2B acid (4-amino-2-chlorotoluene-5-sulfonic acid) are coupled, rosin soap is added before or after coupling, different pH value temperatures are adjusted, calcium chloride is added for color precipitation and other post-treatment preparation processes, and the prepared pigment has poor dispersibility, the grinding times and the grinding time length need to be increased, the energy consumption is increased, and the production efficiency is reduced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide pigment red for tin printing ink and a preparation method thereof, which can realize the reasonable use of a coupling agent, so that the particles are not easy to aggregate in the pigment preparation process, and further improve the dispersibility of the pigment.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The pigment red for the tin printing ink comprises the following components in parts by mass: 50-70 parts of deionized water, 20-25 parts of 2B acid, 4-9 parts of sodium sulfite solution, 10-15 parts of calcium chloride, 25-30 parts of hydrochloric acid, 25-30 parts of 2,3 acid, 30-35 parts of liquid alkali, 3-8 parts of rosin and 10-15 parts of coupling agent, wherein the preparation method comprises the following steps:
s1, preparing a diazo solution, namely sequentially adding deionized water, 2B acid and sodium sulfite into a diazo reaction container, uniformly mixing and stirring for 1-2h, adding a calcium chloride solution, continuously stirring for 8-10min, adding hydrochloric acid, and stirring for 20-30min to obtain the diazo solution;
s2, preparing a coupling solution, namely adding 2,3 acid into a coupling reaction container, adding liquid alkali while stirring, stirring for 6-10min, continuing to add rosin, and stirring until the rosin is completely dissolved to obtain the coupling solution;
s3, coupling, namely adding a coupling agent into the mixing reaction container, starting a stirring device in the mixing reaction container, adding the diazo liquid and the coupling liquid while stirring for coupling reaction, adjusting the pH to be neutral, stirring for 30-50min, heating to 80-90 ℃, keeping the temperature for 20-50min, cooling to 30-40 ℃, filtering, washing with water, drying and crushing to obtain pigment red 48: 2.
further, agitating unit is including setting firmly in the motor of mixing reaction vessel outer wall and setting firmly the multiunit stirring spare outside the motor output, the stirring spare is located mixing reaction vessel, every group the stirring spare includes interval distribution's first rotating blade and second rotating blade, first rotating blade is bulky more than the second rotating blade, and the motor drives first rotating blade and second rotating blade anticlockwise rotation, rotates the in-process and mixes stirring and crushing operation to reaction liquid, makes first rotating blade drive the trip bar when rotating simultaneously and rotates, and the second rotating blade does not drive the trip bar and rotates, increases the trip bar and rotates the spaced time at every turn for the trip bar is difficult for driving the elasticity rope because of frequent rotation and pulls the soft elasticity separation piece and make the soft elasticity separation piece easily damage.
Furthermore, the output end of the motor runs in the anticlockwise direction, the cutting surfaces of the first rotary blade and the second rotary blade are inner side surfaces, so that the motor drives the first rotary blade and the second rotary blade to rotate only in the anticlockwise direction, and the non-cutting surface of the first rotary blade is in contact with the turnover rod in the rotation process of the first rotary blade, so that the turnover rod is not easily damaged.
Further, mixed reaction vessel left side inner wall sets firmly the liquid reserve tank that is used for splendid attire coupling agent, the feed liquor hole that has the jam is seted up to the liquid reserve tank upper end, the digging of liquid reserve tank bottom has the mounting hole, the mounting hole inner wall bonds and has soft elasticity separation piece, soft elasticity separation piece surface digging has a plurality of liquid holes, and the aperture in liquid hole is less for coupling agent drip speed is slower, and the nature amount of dripping is less, and then can keep the mixed solution in the mixed reaction vessel before the reaction is accomplished, has sufficient coupling agent to react with it.
Furthermore, the horizontal plane position at liquid reserve tank bottom place is higher than the liquid level height after diazo liquid and coupling liquid mix in the mixing reaction container, makes in the difficult infiltration liquid reserve tank of mixed liquid of diazo liquid and coupling liquid, and then is difficult for causing the influence to coupling agent's normal result of use.
Furthermore, a supporting plate is fixedly arranged at the position of the left inner wall of the mixing reaction container, which is positioned at the lower side of the liquid storage tank, the right upper end of the supporting plate is rotatably connected with an overturning rod, the right end of the overturning rod is contacted with the outer wall of one of the first rotating blades, an elastic rope is tied between the upper end of the turnover rod and the bottom end of the soft elastic barrier sheet, when the motor drives the first rotary blade and the second rotary blade to rotate anticlockwise, the first rotating blade drives the turning rod to rotate clockwise around the supporting plate, the part of the turning rod which is not contacted with the supporting plate gradually moves downwards to drive the elastic rope to be lengthened, thereby the elastic rope pulls the soft elastic barrier sheet, the dropping speed of the coupling agent can be changed in the pulling process, and in the process of the rotation of the turnover rod, under the elastic action of the elastic rope and the soft elastic barrier piece, the coupling agent in the liquid storage tank fluctuates, so that the dripping speed of the coupling agent in the subsequent reaction process of the mixed liquid can be effectively increased.
Further, the surface area of upset pole is less than the surface area of backup pad, and the area that the upset pole is located the backup pad is greater than or equal to the area that the backup pad department was kept away from to the upset pole for when first rotary blade did not drive the upset pole and takes place to rotate, under the supporting role of backup pad, the upset pole can keep placing of horizontality, is difficult for clockwise rotation to the position that first rotary blade can't contact.
Further, the distance between the turnover rod and the center of the output end of the motor is greater than the distance between the second rotary blade and the center of the output end of the motor, so that the motor drives the first rotary blade and the second rotary blade to rotate, the first rotary blade can be in contact with the turnover rod to drive the turnover rod to rotate around the support plate, the second rotary blade is not in contact with the turnover rod, the gap between the turnover rod and the support plate is lengthened after the turnover rod rotates every time, the turnover rod is not prone to frequent rotation, and the soft elastic separation plate is dragged too frequently to damage the soft elastic separation plate.
Furthermore, the contact point position of the turnover rod and the first rotary blade in the horizontal state is located at the position, away from the output end of the motor, of the first rotary blade, so that the contact distance between the turnover rod and the first rotary blade is not easy to be too large, and further the first rotary blade drives the turnover rod to generate a rotation amplitude which is not easy to be too large so as to cause too large force for pulling the soft elastic separation sheet by the elastic rope, so that the soft elastic separation sheet is deformed too much and has the possibility of damage.
Furthermore, the elastic rope is in a straight and inclined state, the connecting point of the elastic rope and the turnover rod is located on the right side of the rotating connecting point of the turnover rod and the supporting plate, when the first rotating blade drives the turnover rod to rotate, the elastic rope begins to stretch, the elasticity changes, and then in the process that the turnover rod restores the original position, the elastic rope generates elastic restoring force to enable the soft elastic barrier piece to shake, so that the dripping speed of the coupling agent is increased.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can realize reasonable use of the coupling agent, so that the particles are not easy to aggregate in the pigment preparation process, and the dispersibility of the pigment is improved.
(2) Agitating unit is including setting firmly in the motor of mixing the reaction vessel outer wall and setting firmly the multiunit stirring spare outside the motor output, the stirring spare is located mixing the reaction vessel, every group stirring spare includes interval distribution's first rotating blade and second rotating blade, first rotating blade is bulky more than the second rotating blade, the motor drives first rotating blade and second rotating blade anticlockwise rotation, it mixes stirring and crushing operation to the reaction liquid to rotate the in-process, make simultaneously and drive the upset bar and rotate when first rotating blade rotates, the second rotating blade does not drive the upset bar and rotates, increase the upset bar and rotate the spaced time at every turn, make the upset bar be difficult for driving the elasticity rope because of frequent rotation and pull the soft elasticity separation piece and make the soft elasticity separation piece easily damage to some extent.
(3) The output of motor is anticlockwise operation, and the cutting plane of first rotating blade and second rotating blade is the medial surface for the motor drives first rotating blade and second rotating blade and only carries out anticlockwise rotation, and first rotating blade rotates the in-process, and its non-cutting plane contacts with the upset pole, carries out the damage that is difficult for causing the upset pole.
(4) The left inner wall of mixed reaction vessel has set firmly the liquid reserve tank that is used for splendid attire coupling agent, the feed liquor hole that has the jam is seted up to the liquid reserve tank upper end, the mounting hole has been dug to the liquid reserve tank bottom, the mounting hole inner wall bonds and has soft elasticity separation piece, soft elasticity separation piece surface is dug and is had a plurality of liquid holes, the aperture in liquid hole is less, make coupling agent dripping speed slower, the natural drippage is less, and then can keep the mixed solution in the mixed reaction vessel before the reaction is accomplished, there is sufficient coupling agent to react with it.
(5) The horizontal plane position at liquid reserve tank bottom place is higher than the liquid level height after diazo liquid and coupling liquid mix in the mixing reaction container, makes in the difficult infiltration liquid reserve tank of mixed liquid of diazo liquid and coupling liquid, and then is difficult for causing the influence to coupling agent's normal use effect.
(6) A supporting plate is fixedly arranged at the position of the left inner wall of the mixing reaction vessel, which is positioned at the lower side of the liquid storage tank, the upper right end of the supporting plate is rotatably connected with a turnover rod, the right end of the turnover rod is contacted with the outer wall of one of the first rotating blades, an elastic rope is tied between the upper end of the turnover rod and the bottom end of the soft elastic separation sheet, when the motor drives the first rotating blade and the second rotating blade to rotate anticlockwise, the first rotating blade drives the turning rod to rotate clockwise around the supporting plate, the part of the turning rod which is not contacted with the supporting plate gradually moves downwards to drive the elastic rope to be lengthened, thereby the elastic rope pulls the soft elastic barrier sheet, the dropping speed of the coupling agent can be changed in the pulling process, and in the process of the rotation of the turnover rod, under the elastic action of the elastic rope and the soft elastic barrier piece, the coupling agent in the liquid storage tank fluctuates, so that the dripping speed of the coupling agent in the subsequent reaction process of the mixed liquid can be effectively increased.
(7) The surface area of upset pole is less than the surface area of backup pad, and the area that the upset pole is located the backup pad is greater than or equal to the area that the backup pad department was kept away from to the upset pole for when first rotary blade did not drive the upset pole and takes place to rotate, under the supporting role of backup pad, the upset pole can keep placing of horizontality, is difficult for clockwise rotation to the position that first rotary blade can't contact.
(8) The distance between the turnover rod and the center of the output end of the motor is larger than the distance between the second rotary blade and the center of the output end of the motor, so that the motor drives the first rotary blade and the second rotary blade to rotate, the first rotary blade can be contacted with the turnover rod to drive the turnover rod to rotate around the support plate, the second rotary blade is not contacted with the turnover rod, the gap between the turnover rod and the next turnover rod is lengthened after the turnover rod rotates every time, the turnover rod is not prone to frequent rotation, and the soft elastic separation sheet is dragged too frequently to damage the soft elastic separation sheet.
(9) The contact point position of the turnover rod and the first rotary blade in the horizontal state is located at the position, away from the output end of the motor, of the first rotary blade, so that the contact distance between the turnover rod and the first rotary blade is not too large, and further the first rotary blade drives the turnover rod to rotate, the amplitude of rotation is not large easily, the elastic rope is not large enough to pull the soft elastic separation sheet, and the soft elastic separation sheet is deformed too much to damage the soft elastic separation sheet.
(10) The elasticity rope is the straight tilt state that stretches tightly, and the tie point of elasticity rope and upset pole is located the right side of the rotation tie point of upset pole and backup pad, makes first rotary blade drive the upset pole and begins to rotate when, and the elasticity rope begins to elongate, and elasticity changes to some extent, and then makes the in-process of upset pole recovery normal position, and the elasticity rope produces elasticity restoring force and makes the soft elasticity separation piece take place to shake, increases the speed that the coupling agent drips.
Drawings
FIG. 1 is a general flow chart of the present invention;
FIG. 2 is a schematic diagram of the structure of a mixing reaction vessel portion of the present invention;
FIG. 3 is a schematic view of the construction of the reservoir portion of the present invention;
FIG. 4 is a schematic top view of a mixing reactor vessel portion according to the present invention.
The reference numbers in the figures illustrate:
1 mixing reaction container, 2 liquid storage tanks, 3 elastic ropes, 4 turnover rods, 5 supporting plates, 61 first rotating blades, 62 second rotating blades, 7 mounting holes, 8 soft elastic blocking sheets, 9 liquid outlet holes and 10 motors.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a pigment red for tin printing ink and a preparation method thereof, includes the following components by mass: 70 parts of deionized water, 25 parts of 2B acid, 8 parts of sodium sulfite solution, 15 parts of calcium chloride, 30 parts of hydrochloric acid, 28 parts of 2,3 acid, 30 parts of liquid alkali, 6 parts of rosin and 12 parts of coupling agent, wherein the preparation method comprises the following steps:
s1, preparing a diazo solution, namely sequentially adding deionized water, 2B acid and sodium sulfite into a diazo reaction container, uniformly mixing and stirring for 1.5h, adding a calcium chloride solution, continuously stirring for 10min, adding hydrochloric acid, and stirring for 30min to obtain the diazo solution;
s2, preparing a coupling solution, namely adding 2,3 acid into a coupling reaction container, adding liquid alkali while stirring, stirring for 6min, continuing to add rosin, and stirring until the rosin is completely dissolved to obtain the coupling solution;
s3, coupling, namely adding a coupling agent into the mixing reaction container 1, starting a stirring device in the mixing reaction container 1, adding a diazo liquid and a coupling liquid while stirring for coupling reaction, adjusting the pH to be neutral (adjusting the crystal form of the final finished pigment through the pH value, increasing the molecular polarity of the crystal surface, increasing the polarity, stabilizing the crystal structure, enhancing the solvent resistance and the migration resistance and improving the temperature resistance if the polarity is enhanced), stirring for 30-50min, heating to 80 ℃, keeping the temperature for 20min, cooling to 35 ℃, filtering, washing with water, drying and crushing to obtain pigment Red 48: 2.
mixing reaction vessel 1 can be set to open container or sealed container according to actual production preparation needs, when for sealed container, needs draw forth a feed liquor pipe in the feed liquor hole department on liquid reserve tank 2 to make this feed liquor pipe run through mixing reaction vessel 1 outer wall and extend to its outside.
The stirring device comprises a motor 10 fixedly arranged on the outer wall of a mixing reaction container 1 (the motor 10 runs at a lower power, and further the motor 10 drives a first rotating blade 61 to rotate at a speed which is not easy to be too fast) and a plurality of groups of stirring pieces fixedly arranged outside the output end of the motor 10, the stirring pieces are positioned in the mixing reaction container 1, each group of stirring pieces comprises a first rotating blade 61 and a second rotating blade 62 which are distributed at intervals, the volume of the first rotating blade 61 is larger than that of the second rotating blade 62, the motor 10 drives the first rotating blade 61 and the second rotating blade 62 to rotate anticlockwise, reaction liquid is mixed, stirred and crushed in the rotating process, meanwhile, the first rotating blade 61 drives a turnover rod 4 to rotate, the second rotating blade 62 does not drive the turnover rod 4 to rotate, the time of each rotation interval of the turnover rod 4 is increased, and the turnover rod 4 is not easy to drive an elastic rope 3 to pull the elastic blocking piece 8 due to frequent rotation so that the elastic blocking piece 8 is easy to have And is damaged.
The output end of the motor 10 runs in the anticlockwise direction, the cutting surfaces of the first rotary blade 61 and the second rotary blade 62 are inner side surfaces, so that the motor 10 drives the first rotary blade 61 and the second rotary blade 62 to rotate only anticlockwise, and in the rotating process of the first rotary blade 61, the non-cutting surface of the first rotary blade is in contact with the turnover rod 4, so that the turnover rod 4 is not easily damaged.
The horizontal plane position at 2 bottom of liquid reserve tank is higher than the liquid level height after diazo liquid and coupling liquid mix in the mixing reaction container 1, makes in the difficult infiltration liquid reserve tank 2 of mixed liquid of diazo liquid and coupling liquid, and then is difficult for causing the influence to coupling agent's normal result of use.
A supporting plate 5 is fixedly arranged at the position of the left inner wall of the mixing reaction container 1, which is positioned at the lower side of the liquid storage tank 2, the right upper end of the supporting plate 5 is rotatably connected with a turnover rod 4, the right end of the turnover rod 4 is contacted with the outer wall of one of the first rotating blades 61, an elastic rope 3 is tied between the upper end of the turnover rod 4 and the bottom end of the soft elastic separation sheet 8, when the motor 10 drives the first rotating blade 61 and the second rotating blade 62 to rotate anticlockwise, the first rotating blade 61 drives the turnover rod 4 to rotate clockwise around the supporting plate 5, the part of the turnover rod 4, which is not contacted with the supporting plate 5, gradually moves downwards to drive the elastic rope 3 to be lengthened, so that the elastic rope 3 pulls the soft elastic separation sheet 8, the dripping speed of the coupling agent can be changed in the pulling process, and in the rotating process of the turnover rod 4, the coupling agent in the liquid storage tank 2 fluctuates under the self, thereby effectively increasing the dripping speed of the coupling agent in the reaction process of the subsequent mixed liquid.
The surface area of upset pole 4 is less than the surface area of backup pad 5, and the area that upset pole 4 is located on backup pad 5 is greater than or equal to the area that upset pole 4 kept away from backup pad 5 department for when first rotary blade 61 did not drive upset pole 4 and takes place to rotate, under the supporting role of backup pad 5, upset pole 4 can keep placing of horizontality, is difficult for clockwise rotation to the position that first rotary blade 61 can not contact.
The distance between the output end circle center of the turning rod 4 and the motor 10 is greater than the distance between the second rotary blade 62 and the output end circle center of the motor 10, so that the motor 10 drives the first rotary blade 61 and the second rotary blade 62 to rotate, the first rotary blade 61 can be in contact with the turning rod 4 to drive the turning rod 4 to rotate around the support plate 5, the second rotary blade 62 is not in contact with the turning rod 4, the gap between the turning rod 4 and the turning rod is lengthened after each rotation, the turning rod 4 is further not prone to frequent rotation, and the soft elastic separation sheet 8 is pulled too frequently to damage the soft elastic separation sheet 8.
The contact point position of the trip lever 4 and the first rotary blade 61 in the horizontal state is located at the one-fourth to one-third position where the first rotary blade 61 is far away from the output end of the motor 10, so that the contact distance between the trip lever 4 and the first rotary blade 61 is not too large, and further the first rotary blade 61 drives the trip lever 4 to generate a rotation amplitude which is not easy to be large so as to cause the elastic rope 3 to pull the soft elastic separation sheet 8 with too large force, so that the soft elastic separation sheet 8 is deformed too large and the possibility of damage is reduced.
S3, adding a coupling agent to ensure that particles are not easily aggregated in the mixing process between the diazo liquid and the coupling liquid when the diazo liquid and the coupling liquid are added into the mixing reaction container 1 under the action of the coupling agent, so that the dispersibility of the mixed solution is better, and in the mixing reaction process, the adding operation of the coupling agent is continuously performed, which is beneficial to ensuring that the particles are not easily aggregated in each reaction stage in the mixing process, simultaneously, under the rotation action of the motor 10, the first rotating blade 61 and the second rotating blade 62 are driven to rotate anticlockwise, the first rotating blade 61 drives the turnover rod 4 to rotate clockwise around the support plate 5, the turnover rod 4 drives the elastic rope 3 to elongate, the elastic rope 3 pulls the soft elastic barrier sheet 8 to ensure that the soft elastic barrier sheet 8 shakes, and in the process that the turnover rod 4 and the elastic rope 3 recover to the original position, under the elastic action of the elastic rope 3 and the soft elastic barrier sheet 8, the soft elastic blocking piece 8 is easy to shake, so that the dripping speed of the coupling agent can be accelerated, in the dripping process of the coupling agent, the dripping speed is from slow to fast and is alternatively performed from fast to slow, the coupling agent is not easy to have poor dispersibility to a mixed solution due to too slow dripping speed, and is not easy to be consumed earlier due to too fast titer speed, calcium chloride is added between coupling reactions, the formation of precipitation in advance is facilitated, the reasonable use of the coupling agent can be realized, particles are not easy to aggregate in the pigment preparation process, and the dispersibility of the pigment is improved.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A pigment red for tin printing ink and a preparation method thereof are characterized in that: the adhesive comprises the following components in parts by mass: 50-70 parts of deionized water, 20-25 parts of 2B acid, 4-9 parts of sodium sulfite solution, 10-15 parts of calcium chloride, 25-30 parts of hydrochloric acid, 25-30 parts of 2,3 acid, 30-35 parts of liquid alkali, 3-8 parts of rosin and 10-15 parts of coupling agent, wherein the preparation method comprises the following steps:
s1, preparing a diazo solution, namely sequentially adding deionized water, 2B acid and sodium sulfite into a diazo reaction container, uniformly mixing and stirring for 1-2h, adding a calcium chloride solution, continuously stirring for 8-10min, adding hydrochloric acid, and stirring for 20-30min to obtain the diazo solution;
s2, preparing a coupling solution, namely adding 2,3 acid into a coupling reaction container, adding liquid alkali while stirring, stirring for 6-10min, continuing to add rosin, and stirring until the rosin is completely dissolved to obtain the coupling solution;
s3, coupling, namely adding a coupling agent into the mixing reaction container (1), starting a stirring device in the mixing reaction container (1), adding a diazo liquid and the coupling liquid while stirring for coupling reaction, adjusting the pH value to be neutral, stirring for 30-50min, heating to 80-90 ℃, keeping the temperature for 20-50min, cooling to 30-40 ℃, filtering, washing with water, drying and crushing to obtain pigment red 48: 2.
2. a pigment red for a tin printing ink according to claim 1, characterized in that: the stirring device comprises a motor (10) fixedly arranged on the outer wall of the mixing reaction container (1) and a plurality of groups of stirring pieces fixedly arranged outside the output end of the motor (10), wherein the stirring pieces are positioned in the mixing reaction container (1), each group of stirring pieces comprise first rotating blades (61) and second rotating blades (62) which are distributed at intervals, and the volume of the first rotating blades (61) is larger than that of the second rotating blades (62).
3. A pigment red for a tin printing ink according to claim 2, characterized in that: the output end of the motor (10) runs in a counterclockwise direction.
4. A pigment red for a tin printing ink according to claim 1, characterized in that: mix reaction vessel (1) left side inner wall and set firmly liquid reserve tank (2) that are used for splendid attire coupling agent, the feed liquor hole that has the jam is seted up to liquid reserve tank (2) upper end, liquid reserve tank (2) bottom is dug there is mounting hole (7), mounting hole (7) inner wall bonds and has soft elasticity separation piece (8), soft elasticity separation piece (8) surface is dug and is had a plurality of liquid holes (9).
5. A pigment Red for a tin printing ink according to claim 4, characterized in that: the horizontal plane position at the bottom end of the liquid storage tank (2) is higher than the liquid level height of the mixed diazo liquid and coupling liquid in the mixed reaction container (1).
6. A pigment Red for a tin printing ink according to claim 4, characterized in that: the utility model discloses a mixing reaction container (1) inner wall position department that is located liquid reserve tank (2) downside has set firmly backup pad (5), backup pad (5) upper right end is rotated and is connected with upset pole (4), upset pole (4) right-hand member contacts with one of them first rotating blade (61) outer wall, be equipped with elastic cord (3) between upset pole (4) upper end and soft elasticity separation piece (8) bottom.
7. The pigment Red for a tin printing ink according to claim 6, wherein: the surface area of the turning rod (4) is smaller than that of the support plate (5), and the area of the turning rod (4) on the support plate (5) is larger than or equal to the area of the turning rod (4) far away from the support plate (5).
8. The pigment Red for a tin printing ink according to claim 6, wherein: the distance between the turning rod (4) and the center of the circle of the output end of the motor (10) is larger than the distance between the second rotary blade (62) and the center of the circle of the output end of the motor (10).
9. The pigment Red for a tin printing ink according to claim 6, wherein: the contact point position of the turnover rod (4) and the first rotary blade (61) in the horizontal state is positioned at the position of one fourth to one third of the position of the first rotary blade (61) far away from the output end of the motor (10).
10. The pigment Red for a tin printing ink according to claim 6, wherein: the elastic rope (3) is in a straight and inclined state, and the connecting point of the elastic rope (3) and the turnover rod (4) is positioned on the right side of the rotating connecting point of the turnover rod (4) and the supporting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010573574.3A CN111534145A (en) | 2020-06-22 | 2020-06-22 | Pigment red for tin printing ink and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010573574.3A CN111534145A (en) | 2020-06-22 | 2020-06-22 | Pigment red for tin printing ink and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111534145A true CN111534145A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010573574.3A Pending CN111534145A (en) | 2020-06-22 | 2020-06-22 | Pigment red for tin printing ink and preparation method thereof |
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| Country | Link |
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| CN (1) | CN111534145A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101395227A (en) * | 2006-06-02 | 2009-03-25 | Dic株式会社 | Process for production of azo compound |
-
2020
- 2020-06-22 CN CN202010573574.3A patent/CN111534145A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101395227A (en) * | 2006-06-02 | 2009-03-25 | Dic株式会社 | Process for production of azo compound |
Non-Patent Citations (1)
| Title |
|---|
| 吕东军: "C.I.颜料红48:2的合成及改性研究", 《C.I.颜料红48:2的合成及改性研究》 * |
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Address after: 312369 Hangzhou Shangyu economic and Technological Development Zone, Shaoxing, Zhejiang Applicant after: Zhejiang Donghai New Material Technology Co.,Ltd. Address before: 312432 Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province Applicant before: Zhejiang Donghai New Material Technology Co.,Ltd. |
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Application publication date: 20200814 |