CN114231086A - Gravure printing ink emulsion, preparation method and preparation device thereof - Google Patents
Gravure printing ink emulsion, preparation method and preparation device thereof Download PDFInfo
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- CN114231086A CN114231086A CN202111448669.3A CN202111448669A CN114231086A CN 114231086 A CN114231086 A CN 114231086A CN 202111448669 A CN202111448669 A CN 202111448669A CN 114231086 A CN114231086 A CN 114231086A
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- 239000000839 emulsion Substances 0.000 title claims abstract description 70
- 238000007646 gravure printing Methods 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 179
- 238000003756 stirring Methods 0.000 claims abstract description 102
- 239000002994 raw material Substances 0.000 claims abstract description 86
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 29
- 239000010703 silicon Substances 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 8
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 claims abstract description 7
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 7
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims description 81
- 239000007788 liquid Substances 0.000 claims description 36
- 239000003431 cross linking reagent Substances 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 27
- 238000007639 printing Methods 0.000 claims description 23
- 239000003995 emulsifying agent Substances 0.000 claims description 16
- 230000002829 reductive effect Effects 0.000 claims description 16
- 238000004945 emulsification Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 10
- 239000003755 preservative agent Substances 0.000 claims description 10
- 230000002335 preservative effect Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000002562 thickening agent Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- QXOXHPTYHCESTD-UHFFFAOYSA-N SBS Chemical compound SBS QXOXHPTYHCESTD-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 14
- 229920002554 vinyl polymer Polymers 0.000 abstract description 14
- 239000006087 Silane Coupling Agent Substances 0.000 abstract description 9
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical group CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003054 catalyst Substances 0.000 abstract description 5
- 239000011258 core-shell material Substances 0.000 abstract description 5
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 abstract description 5
- 239000004816 latex Substances 0.000 description 5
- 229920000126 latex Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 4
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 4
- 238000004040 coloring Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 239000000986 disperse dye Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- 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
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F287/00—Macromolecular compounds obtained by polymerising monomers on to block polymers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention discloses a gravure printing ink emulsion, which comprises a first raw material group, a second raw material group and a third raw material group; the first component comprises the following components in parts by weight: 0.5-1 part of butyl acrylate, 0.5-1 part of N-hydroxymethyl acrylamide, 0.5-15 parts of SBS1, 0.5-1.5 parts of methyl acrylate, 1-5 parts of vinyl acetate and 1-2 parts of isooctyl acrylate (2-EHA); after the interior of the stirring tank is continuously heated to 80 ℃, pure water and organic silicon resin in the third component are added and continuously stirred, the organic silicon resin has excellent high and low temperature resistance and water resistance, the emulsion glue is modified by the organic silicon, and when the reaction temperature is 80 ℃, an ink emulsion with good flexibility and color fastness can be prepared, so that the vinyl modified organic silicon emulsion is prepared. When the reaction temperature is 80 ℃, the catalyst is dodecylbenzene sulfonic acid and the silane coupling agent is A-151, the monomer conversion rate of the vinyl modified organosilicon emulsion in the prepared core-shell emulsion is high, and the emulsion stability is good.
Description
Technical Field
The invention relates to the field of printing ink and a preparation device thereof, in particular to gravure printing ink emulsion, a preparation method and a preparation device thereof.
Background
With the development of information digitalization, ink jet printing is widely spread in the form of office printers and home printers, however, in recent years, application and development to commercial printing and textile printing are also widely promoted, and with the continuous expansion of the use of ink jet printing, as a coloring material for ink, various coloring materials such as water-soluble dyes such as conventional acid dyes or direct dyes, to water-insoluble coloring materials such as disperse dyes and pigments can be used according to the use, gravure printing is performed by filling the entire surface of a printing plate with ink, then removing the ink in the blank portion with a special wiping mechanism so that the ink remains only in cells in the image-text portion, and then transferring the ink to the surface of a printing material under a large pressure to obtain a printed matter, wherein the image-text portion of the printing plate is recessed, and the degree of the dent is different according to the gradation of the image, and the blank part of the printing plate is convex and is on the same plane.
The existing ink used for gravure printing cannot meet the capabilities of high temperature resistance and low temperature resistance by self components, so that the ink has high requirements on the using state and the environment.
Disclosure of Invention
Therefore, it is necessary to provide an intaglio printing ink emulsion and a preparation device thereof, aiming at the technical problem that the high temperature resistance and the low temperature resistance of the intaglio printing ink emulsion and the preparation device thereof are not ideal.
An intaglio printing ink emulsion comprising a first raw material set, a second raw material set and a third raw material set;
the first raw material group comprises the following raw materials in parts by mass: 0.5-1 part of butyl acrylate, 0.5-1 part of N-hydroxymethyl acrylamide, 0.5-15 parts of SBS1, 0.5-1.5 parts of methyl acrylate, 1-5 parts of vinyl acetate and 1-2 parts of isooctyl acrylate (2-EHA);
the second raw material group comprises the following raw materials in parts by mass: 1-10 parts of preservative, 5-10 parts of thickening agent, 10-15 parts of defoaming agent, 10-30 parts of emulsifier, 2-10 parts of protective glue and 10-15 parts of potassium persulfate; 10-15 parts of a cross-linking agent;
the third raw material group comprises the following raw materials in parts by mass: 20-30 parts of pure water and 5-10 parts of organic silicon resin.
A gravure printing ink emulsion preparation device comprises a main reaction tank, wherein a temperature control mechanism is arranged on the top of the main reaction tank, a stirring mechanism is arranged on the top of the main reaction tank, a discharging mechanism is arranged at the output end of the bottom of the main reaction tank, and a feeding mechanism is arranged on the outer side of the top of the main reaction tank;
the temperature control mechanism comprises temperature guide rods, a heater and a refrigerator, wherein two groups of temperature guide rods are fixedly connected to the outer side of the top wall of the main reaction tank, and the bottom ends of the two groups of temperature guide rods are respectively and fixedly connected with the output ends of the heater and the refrigerator;
the stirring mechanism comprises a gearbox, a rotating shaft column, an output motor and a stirring disc, the center of the top of the main reaction tank is fixedly connected with the gearbox, the right side of the top of the main reaction tank is fixedly connected with the output motor, the left output end of the output motor is fixedly connected with the right input end of the gearbox, the bottom output end of the gearbox is fixedly connected with the rotating shaft column, the rotating shaft column penetrates through the top wall of the main reaction tank and extends into the main reaction tank, and the bottom end of the rotating shaft column is fixedly connected with the stirring disc;
the discharging mechanism comprises a main stop valve, a main output pipe, auxiliary output pipes and auxiliary stop valves, the center of the bottom wall of the main reaction tank is fixedly connected with the main stop valve, the top input end of the main stop valve longitudinally penetrates through the bottom wall of the main reaction tank, the bottom output end of the main stop valve is fixedly connected with the main output pipes, the rear side input ends of the two groups of main output pipes are respectively and fixedly connected to the tops of the main output pipes, and the front side output ends of the two groups of main output pipes are fixedly connected with one group of auxiliary output pipes;
the feeding mechanism includes filling tube, liquid feeding pipe, input stop valve and input liquid pump, the left rear portion of major reaction jar roof is provided with the filling tube, inside the filling tube vertically runs through the major reaction jar roof and extends to the major reaction jar, the major reaction jar left side is provided with the input liquid pump, input liquid pump top output fixed connection the input stop valve, input stop valve top output fixed connection the liquid feeding pipe, the liquid feeding pipe top runs through the major reaction jar roof and extends to inside the major reaction jar.
In one embodiment, the two groups of temperature conducting rods longitudinally penetrate through the top wall of the temperature conducting rod, and the two groups of temperature conducting rods extend to the interior of the temperature conducting rod.
In one embodiment, the left side of the charging pipe is fixedly connected with a rotating seat.
In one example, in the S3 emulsion reaction, the stirring time of the stirring device is set to 3 hours, and the stirring speed is 300 rpm.
In one embodiment, four groups of fixed arc seats which are uniformly and annularly arranged are fixedly connected to the middle part of the side wall of the main reaction tank.
In one embodiment, the top of the filler tube is provided with a one hundred eighty degree bend.
In one embodiment, the right front part of the top wall of the reaction tank is fixedly connected with a cooling pipe, and the cooling pipe longitudinally penetrates through the top wall of the reaction tank and extends to the inside of the reaction tank.
In one embodiment, the bottoms of the four groups of fixed arc-shaped seats are respectively fixedly connected with four sides of the top of the support frame.
In one embodiment, the feeding pipe is rotatably connected with the opening and closing rod through a rotating seat.
In one embodiment, the bottom of the opening and closing rod is fixedly connected with a sealing cover.
A preparation method of gravure printing ink emulsion comprises the following steps:
s1: monomer synthesis
Adding a feeding pipe at the top of butyl acrylate, N-hydroxymethyl acrylamide, SBS, methyl acrylate, vinyl acetate and isooctyl acrylate included in the first raw material group into a main reaction tank, and starts to refrigerate by starting the refrigerator which is additionally arranged, and is guided into the main reaction tank by the temperature conduction rod, so that the temperature in the main reaction tank is reduced to minus 20 to minus 30 ℃, the additionally arranged output motor is started, the output motor drives the rotating shaft column and the stirring disc at the bottom of the rotating shaft column to start rotating and stirring, and the rotating shaft column rotating speed is controlled by the gear box at 500-700 rpm, the stirring time is set at 1.5-2 hours, stirring the first raw material group at low temperature to enable the first raw material group to react and fuse to generate a polymer, wherein the side chain crystallization tendency is generated due to the increase of alkyl carbon atoms, the polymer becomes brittle, and the polymer A is generated;
s2: initiation reaction
Firstly, controlling the speed of the rotating shaft column and the stirring disc to be 150-200 revolutions per minute by controlling the gearbox, adding potassium persulfate of the second raw material group into the main reaction tank by using the feeding pipe, mixing with the polymer A, and setting the time for mixing and stirring the polymer A and the potassium persulfate by using the stirring disc driven by the output motor to rotate to be 1.5-2 hours, so that the polymer A is accelerated to polymerize, and the particle size and the stability of the particles are reduced and are improved, and the particle size and the stability of the particles are reduced, thereby producing a polymer B;
s3: emulsification reaction
Continuing to control the rotating shaft column and the stirring disc to rotate at 300-400 rpm by controlling the gearbox, adding the emulsifier contained in the second raw material group into the main reaction tank by using the feeding pipe, mixing with polymer B, stirring and stirring the mixture of polymer B and emulsifier by the stirring disc driven by the output motor to rotate, wherein the stirring time is set to be 2.5-3 hours, and 3-5 parts of defoaming agent included in the second raw material group is added into the main reaction tank every 20 minutes, mixing with polymer B and emulsifier mixture to make polymer B and emulsifier in the main reaction tank start to make emulsification reaction, and avoiding the generation of foam in the emulsification process, generating polymer C after stirring for 2.5 to 3 hours, closing the stirring mechanism, and allowing the polymer C to stand for 30 to 40 minutes;
s4: crosslinking reaction
Starting a heater by using standing for 30-40 minutes, leading high temperature generated by the heater into the main reaction tank by the temperature guide rod to start temperature rise in the main reaction tank, starting the rotating shaft column when the temperature rises to 40-50 ℃, controlling the rotating speed of the rotating shaft column and the stirring disc to be 100-200 rpm by controlling the gearbox, adding the cross-linking agent contained in the second raw material group into the main reaction tank through a feeding pipe to be mixed with the polymer C, stirring the mixture of the polymer C and the cross-linking agent by the stirring disc, continuously heating the interior of the main reaction tank by the temperature guide rod by the heater, increasing the stirring time of the mixture of the polymer C and the cross-linking agent by 5-10 ℃ every 10-15 minutes, adding the protective gel contained in the second raw material group into the main reaction tank every 25-30 minutes, when the internal temperature of the main reaction tank is raised to 70-80 ℃, firstly, pure water contained in the third raw material group is conveyed into the main reaction tank through the liquid adding pipe by starting an additionally arranged input liquid pump and an input stop valve, and is mixed with a mixture of the polymer C and a cross-linking agent to generate a polymer D, then organic silicon resin contained in the third raw material group is added into the main reaction tank through the liquid adding pipe, the rotating speed of the rotating shaft column and the stirring disc is reduced to 50-60 revolutions by utilizing the gearbox, the polymer D and the organic silicon resin are mixed and stirred, the stirring time is set to be 2-2.5 hours, the preservative and the thickening agent contained in the second raw material group are added into the main reaction tank every 40-60 minutes, and after 2-2.5 hours of stirring, a finished emulsion product is finally generated, and after standing is carried out for 30-40 minutes, the raw material emulsion is discharged from the main output pipe and the auxiliary output pipe by opening the main stop valve and the auxiliary output pipe And the main reaction tank is filled into a glue storage tank for storage.
When the gravure printing ink emulsion and the preparation device thereof are used, the heater is started by standing for 30-40 minutes, the high temperature generated by the heater is guided into the main reaction tank by the temperature guide rod, the temperature inside the main reaction tank is raised, when the temperature is raised to 40-50 ℃, the rotating shaft column is started, the rotating speed of the rotating shaft column and the stirring disc is controlled to be 100-200 rpm by controlling the gearbox, the cross-linking agent contained in the second raw material group is added into the main reaction tank through the feeding pipe and is mixed with the polymer C, the stirring disc is used for stirring the mixture of the polymer C and the cross-linking agent generated by the emulsification reaction, the heater continuously heats the inside of the main reaction tank through the temperature guide rod, the stirring time of the mixture of the polymer C and the cross-linking agent is increased by 5-10 ℃ every 10-15 minutes, the protective gel contained in the second raw material group is added into the main reaction tank every 25-30 minutes, when the internal temperature of the main reaction tank is raised to 70-80 ℃, firstly, pure water contained in a third raw material group is conveyed into the main reaction tank through a liquid feeding pipe by starting an additionally-installed input liquid pump and an input stop valve, and is mixed with a mixture of a polymer C and a cross-linking agent to generate a polymer D, then, organic silicon resin contained in the third raw material group is added into the main reaction tank through a feeding pipe, the rotating speed of a rotating shaft column and a stirring disc is reduced to 50-60 revolutions by utilizing a gearbox, the polymer D and the organic silicon resin are mixed and stirred for 2-2.5 hours, preservative and thickening agent contained in a second raw material group are added into the main reaction tank every 40-60 minutes, and after 2-2.5 hours of stirring, a latex finished product is finally generated, the organic silicon resin has excellent high and low temperature resistance and water resistance, and the emulsion is modified by utilizing organic silicon, when the reaction temperature is 80 ℃, the ink emulsion with good flexibility and color fastness can be prepared, the high and low temperature resistance of the ink emulsion is improved, and the vinyl modified organosilicon emulsion is prepared by ring-opening polymerization of octamethylcyclotetrasiloxane and a silane coupling agent with vinyl as an end group. When the reaction temperature is 80 ℃, the catalyst is dodecylbenzene sulfonic acid and the silane coupling agent is A-151, the monomer conversion rate of the vinyl modified organosilicon emulsion in the prepared core-shell emulsion is high, and the emulsion stability is good.
Drawings
FIG. 1 is an isometric illustration of an apparatus for preparing an emulsion of intaglio printing ink in one embodiment;
FIG. 2 is a schematic front-rear diagonal view of a partial structure of an apparatus for preparing an emulsion of intaglio printing ink in one embodiment;
FIG. 3 is an enlarged view of the point A in FIG. 1;
FIG. 4 is a schematic view of upper and lower equiangular axes of a partial structure of an apparatus for preparing an emulsion of intaglio printing ink in one embodiment;
FIG. 5 is a schematic view of upper and lower equiangular axes of a cross-sectional structure of an apparatus for preparing an emulsion of intaglio printing ink in one embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The first embodiment is as follows:
the invention provides a gravure printing ink emulsion, which comprises a first raw material group, a second raw material group and a third raw material group;
the first raw material group comprises the following raw materials in parts by mass: 0.5-1 part of butyl acrylate, 0.5-1 part of N-hydroxymethyl acrylamide, 0.5-15 parts of SBS1, 0.5-1.5 parts of methyl acrylate, 1-5 parts of vinyl acetate and 1-2 parts of isooctyl acrylate (2-EHA);
the second raw material group comprises the following raw materials in parts by mass: 1-10 parts of preservative, 5-10 parts of thickening agent, 10-15 parts of defoaming agent, 10-30 parts of emulsifier, 2-10 parts of protective glue and 10-15 parts of potassium persulfate; 10-15 parts of a cross-linking agent;
the third raw material group comprises the following raw materials in parts by mass: 20-30 parts of pure water and 5-10 parts of organic silicon resin.
When the gravure printing ink emulsion and the preparation device thereof are used, the heater is started by standing for 30-40 minutes, the high temperature generated by the heater is guided into the main reaction tank by the temperature guide rod, the temperature inside the main reaction tank is raised, when the temperature is raised to 40-50 ℃, the rotating shaft column is started, the rotating speed of the rotating shaft column and the stirring disc is controlled to be 100-200 rpm by controlling the gearbox, the cross-linking agent contained in the second raw material group is added into the main reaction tank through the feeding pipe and is mixed with the polymer C, the stirring disc is used for stirring the mixture of the polymer C and the cross-linking agent generated by the emulsification reaction, the heater continuously heats the inside of the main reaction tank through the temperature guide rod, the stirring time of the mixture of the polymer C and the cross-linking agent is increased by 5-10 ℃ every 10-15 minutes, the protective gel contained in the second raw material group is added into the main reaction tank every 25-30 minutes, when the internal temperature of the main reaction tank is raised to 70-80 ℃, firstly, pure water contained in a third raw material group is conveyed into the main reaction tank through a liquid feeding pipe by starting an additionally-installed input liquid pump and an input stop valve, and is mixed with a mixture of a polymer C and a cross-linking agent to generate a polymer D, then, organic silicon resin contained in the third raw material group is added into the main reaction tank through a feeding pipe, the rotating speed of a rotating shaft column and a stirring disc is reduced to 50-60 revolutions by utilizing a gearbox, the polymer D and the organic silicon resin are mixed and stirred for 2-2.5 hours, preservative and thickening agent contained in a second raw material group are added into the main reaction tank every 40-60 minutes, and after 2-2.5 hours of stirring, a latex finished product is finally generated, the organic silicon resin has excellent high and low temperature resistance and water resistance, and the emulsion is modified by utilizing organic silicon, when the reaction temperature is 80 ℃, the ink emulsion with good flexibility and color fastness can be prepared, the high and low temperature resistance of the ink emulsion is improved, and the vinyl modified organosilicon emulsion is prepared by ring-opening polymerization of octamethylcyclotetrasiloxane and a silane coupling agent with vinyl as an end group. When the reaction temperature is 80 ℃, the catalyst is dodecylbenzene sulfonic acid and the silane coupling agent is A-151, the monomer conversion rate of the vinyl modified organosilicon emulsion in the prepared core-shell emulsion is high, and the emulsion stability is good.
Example two:
referring to fig. 1 to 5 together, the present invention provides a device 10 for preparing intaglio printing ink emulsion, comprising a main reaction tank 00, a temperature control mechanism 200 disposed on the top of the main reaction tank 100, a stirring mechanism 300 disposed on the top of the main reaction tank 100, a discharging mechanism 400 disposed at the output end of the bottom of the main reaction tank 100, and a feeding mechanism 500 disposed at the outer side of the top of the main reaction tank 100;
the temperature control mechanism 200 comprises temperature guide rods 210, heaters 220, refrigerators 230 and 240, wherein the two groups of temperature guide rods 210 are fixedly connected to the outer side of the top wall of the main reaction tank 100, and the bottom ends of the two groups of temperature guide rods 210 are respectively and fixedly connected with the output ends of the heaters 220 and the refrigerators 230;
the stirring mechanism 300 comprises a gearbox 310, a rotating shaft column 320, an output motor 330 and a stirring disc 340, wherein the centre of the top of the main reaction tank 100 is fixedly connected with the gearbox 310, the right side of the top of the main reaction tank 100 is fixedly connected with the output motor 330, the left output end of the output motor 330 is fixedly connected with the right input end of the gearbox 310, the bottom output end of the gearbox 310 is fixedly connected with the rotating shaft column 320, the rotating shaft column 320 penetrates through the top wall of the main reaction tank 100 and extends into the main reaction tank 100, and the bottom end of the rotating shaft column 320 is fixedly connected with the stirring disc 340;
the discharge mechanism 400 comprises a main stop valve 410, a main output pipe 420, auxiliary output pipes 430 and auxiliary stop valves 440, wherein the center of the bottom wall of the main reaction tank 100 is fixedly connected with the main stop valve 410, the top input end of the main stop valve 410 longitudinally penetrates through the bottom wall of the main reaction tank 100, the bottom output end of the main stop valve 410 is fixedly connected with the main output pipes 420, the rear side input ends of the two groups of main output pipes 420 are respectively and fixedly connected with the top of the main output pipes 420, and the front side output ends of the two groups of main output pipes 420 are respectively and fixedly connected with the one group of auxiliary output pipes 430;
the feeding mechanism 500 comprises a feeding pipe 510, a liquid feeding pipe 520, an input stop valve 530 and an input liquid pump 540, the feeding pipe 510 is arranged at the left rear part of the top wall of the main reaction tank 100, the feeding pipe 510 longitudinally penetrates through the top wall of the main reaction tank 100 and extends into the main reaction tank 100, the input liquid pump 540 is arranged at the left side of the main reaction tank 100, the input stop valve 530 is fixedly connected at the top output end of the input liquid pump 540, the liquid feeding pipe 520 is fixedly connected at the top output end of the input stop valve 530, the top of the liquid feeding pipe 520 penetrates through the top wall of the main reaction tank 100 and extends into the main reaction tank 100, two groups of temperature guide rods 210 longitudinally penetrate through the top wall of the temperature guide rods 210, two groups of temperature guide rods 210 extend into the temperature guide rods 210, the left side of the feeding pipe 510 is fixedly connected with a rotating seat 800, the middle part of the side wall of the main reaction tank 100 is fixedly connected with four groups of fixed arc seats 600 which are uniformly and annularly arranged, the top parts of one hundred eighty degrees of the liquid feeding pipe 520 are arranged, the four groups of the fixed arc seats 600 are respectively and fixedly connected at the four sides of the top of the supporting frame 700, the feeding pipe 510 is rotatably connected with the opening and closing rod 900 through the rotating seat 800, and the bottom of the opening and closing rod 900 is fixedly connected with the sealing cover 1000.
When the gravure printing ink emulsion and the preparation device thereof are used, the heater is started by standing for 30-40 minutes, the high temperature generated by the heater is guided into the main reaction tank by the temperature guide rod, the temperature inside the main reaction tank is raised, when the temperature is raised to 40-50 ℃, the rotating shaft column is started, the rotating speed of the rotating shaft column and the stirring disc is controlled to be 100-200 rpm by controlling the gearbox, the cross-linking agent contained in the second raw material group is added into the main reaction tank through the feeding pipe and is mixed with the polymer C, the stirring disc is used for stirring the mixture of the polymer C and the cross-linking agent generated by the emulsification reaction, the heater continuously heats the inside of the main reaction tank through the temperature guide rod, the stirring time of the mixture of the polymer C and the cross-linking agent is increased by 5-10 ℃ every 10-15 minutes, the protective gel contained in the second raw material group is added into the main reaction tank every 25-30 minutes, when the internal temperature of the main reaction tank is raised to 70-80 ℃, firstly, pure water contained in a third raw material group is conveyed into the main reaction tank through a liquid feeding pipe by starting an additionally-installed input liquid pump and an input stop valve, and is mixed with a mixture of a polymer C and a cross-linking agent to generate a polymer D, then, organic silicon resin contained in the third raw material group is added into the main reaction tank through a feeding pipe, the rotating speed of a rotating shaft column and a stirring disc is reduced to 50-60 revolutions by utilizing a gearbox, the polymer D and the organic silicon resin are mixed and stirred for 2-2.5 hours, preservative and thickening agent contained in a second raw material group are added into the main reaction tank every 40-60 minutes, and after 2-2.5 hours of stirring, a latex finished product is finally generated, the organic silicon resin has excellent high and low temperature resistance and water resistance, and the emulsion is modified by utilizing organic silicon, when the reaction temperature is 80 ℃, the ink emulsion with good flexibility and color fastness can be prepared, the high and low temperature resistance of the ink emulsion is improved, and the vinyl modified organosilicon emulsion is prepared by ring-opening polymerization of octamethylcyclotetrasiloxane and a silane coupling agent with vinyl as an end group. When the reaction temperature is 80 ℃, the catalyst is dodecylbenzene sulfonic acid and the silane coupling agent is A-151, the vinyl modified organosilicon emulsion in the prepared core-shell emulsion has high monomer conversion rate and good emulsion stability
Example three:
the invention provides a preparation method of gravure printing ink emulsion, which comprises the following steps:
s1: monomer synthesis
Butyl acrylate, N-hydroxymethyl acrylamide, SBS, methyl acrylate, vinyl acetate and isooctyl acrylate 2-EHA) which are included in a first raw material group are sequentially added into a main reaction tank 100 through a feeding pipe 510 at the top of the main reaction tank 100, refrigeration is started by starting an additionally arranged refrigerator 230, the refrigeration is guided into the main reaction tank 100 through a temperature guide rod 210, the temperature in the main reaction tank 100 is reduced to minus 20 to minus 30 ℃, an additionally arranged output motor 330 is started, the output motor 330 drives a rotating shaft column 320 and a stirring disc 340 at the bottom of the rotating shaft column 320 to start rotating and stirring, the rotating speed of the rotating shaft column 320 is controlled to be 500 to 700 revolutions by a gearbox 310, the stirring time is set to be 1.5 to 2 hours, the first raw material group is stirred at low temperature to react and fuse to generate a polymer, and side chain crystallization tendency is generated due to increase of alkyl carbon atoms, the polymer becomes brittle, resulting in polymer a;
s2: initiation reaction
Firstly, controlling the speed of a rotating shaft column 320 and a stirring disc 340 to be 150-200 revolutions per minute by controlling a gearbox 310, adding potassium persulfate of a second raw material group into a main reaction tank 100 by using a feeding pipe 510, mixing the potassium persulfate with a polymer A, and setting the time for mixing and stirring the polymer A and the potassium persulfate by using the stirring disc 340 driven to rotate by an output motor 330 to be 1.5-2 hours, so that the polymer A is polymerized at an accelerated speed, the particle size of particles is reduced, the stability is improved, the particle size of the particles is reduced, the stability is improved, and a polymer B is produced;
s3: emulsification reaction
Continuously controlling the rotating speed of the rotating shaft column 320 and the stirring disc 340 to be 300-400 rpm by controlling the gearbox 310, adding the emulsifier included in the second raw material group into the main reaction tank 100 by using the feeding pipe 510, mixing the emulsifier with the polymer B, stirring and stirring the mixture of the polymer B and the emulsifier by using the stirring disc 340 driven to rotate by the output motor 330, wherein the stirring time is set to be 2.5-3 hours, 3-5 parts of the defoaming agent included in the second raw material group is added into the main reaction tank 100 every 20 minutes, and is mixed with the polymer B and the emulsifier mixture, so that the polymer B and the emulsifier in the main reaction tank 100 start to carry out an emulsification reaction, and foam is prevented from being generated in the emulsification process, after stirring for 2.5-3 hours, the polymer C is generated, the stirring mechanism 300 is closed, and the polymer C is allowed to stand for 30-40 minutes;
s4: crosslinking reaction
Starting the heater 220 by using 30-40 minutes of standing, introducing the high temperature generated by the heater 220 into the main reaction tank 100 through the temperature guide rod 210, raising the temperature inside the main reaction tank 100, starting the rotating shaft column 320 when the temperature rises to 40-50 ℃, controlling the rotating speed of the rotating shaft column 320 and the stirring disc 340 at 100-200 revolutions through controlling the gearbox 310, adding the cross-linking agent contained in the second raw material group into the main reaction tank 100 through the feeding pipe 510, mixing with the polymer C, stirring the mixture of the polymer C and the cross-linking agent by the stirring disc 340, continuously heating the inside of the main reaction tank 100 by the temperature guide rod 210 by the heater 220, increasing the stirring time of the mixture of the polymer C and the cross-linking agent by 5-10 ℃ every 10-15 minutes, adding 0.1-0.5 parts of the protective gel contained in the second raw material group into the main reaction tank 100 every 25-30 minutes, when the temperature in the main reaction tank 100 is raised to 70 to 80 ℃, firstly, pure water contained in the third raw material group is conveyed into the main reaction tank 100 through the liquid adding pipe 520 by starting the added liquid pump 540 and the input stop valve 530, and is mixed with the mixture of the polymer C and the cross-linking agent to generate a polymer D, then organic silicon resin contained in the third raw material group is added into the main reaction tank 100 through the feeding pipe 510, the rotating speed of the rotating shaft column 320 and the stirring disc 340 is reduced to 50 to 60 revolutions by using the gearbox 310, the polymer D and the organic silicon resin are mixed and stirred, the stirring time is set to 2 to 2.5 hours, 1 to 3 parts of preservative and 3 to 5 parts of thickening agent contained in the second raw material group are added into the main reaction tank 100 every 40 to 60 minutes, the latex raw material is finally generated after 2 to 2.5 hours of stirring, and is stood for 30 to 40 minutes, the emulsion raw material is discharged from the main tank 100 through the main discharge pipe 420 and the sub discharge pipe 430 by opening the main stop valve 410 and the sub discharge pipe 430, and is injected into the gel storage tank for storage.
When the gravure printing ink emulsion and the preparation device thereof are used, the heater is started by standing for 30-40 minutes, the high temperature generated by the heater is guided into the main reaction tank by the temperature guide rod, the temperature inside the main reaction tank is raised, when the temperature is raised to 40-50 ℃, the rotating shaft column is started, the rotating speed of the rotating shaft column and the stirring disc is controlled to be 100-200 rpm by controlling the gearbox, the cross-linking agent contained in the second raw material group is added into the main reaction tank through the feeding pipe and is mixed with the polymer C, the stirring disc is used for stirring the mixture of the polymer C and the cross-linking agent generated by the emulsification reaction, the heater continuously heats the inside of the main reaction tank through the temperature guide rod, the stirring time of the mixture of the polymer C and the cross-linking agent is increased by 5-10 ℃ every 10-15 minutes, the protective gel contained in the second raw material group is added into the main reaction tank every 25-30 minutes, when the internal temperature of the main reaction tank is raised to 70-80 ℃, firstly, pure water contained in a third raw material group is conveyed into the main reaction tank through a liquid feeding pipe by starting an additionally-installed input liquid pump and an input stop valve, and is mixed with a mixture of a polymer C and a cross-linking agent to generate a polymer D, then, organic silicon resin contained in the third raw material group is added into the main reaction tank through a feeding pipe, the rotating speed of a rotating shaft column and a stirring disc is reduced to 50-60 revolutions by utilizing a gearbox, the polymer D and the organic silicon resin are mixed and stirred for 2-2.5 hours, preservative and thickening agent contained in a second raw material group are added into the main reaction tank every 40-60 minutes, and after 2-2.5 hours of stirring, a latex finished product is finally generated, the organic silicon resin has excellent high and low temperature resistance and water resistance, and the emulsion is modified by utilizing organic silicon, when the reaction temperature is 80 ℃, the ink emulsion with good flexibility and color fastness can be prepared, the high and low temperature resistance of the ink emulsion is improved, and the vinyl modified organosilicon emulsion is prepared by ring-opening polymerization of octamethylcyclotetrasiloxane and a silane coupling agent with vinyl as an end group. When the reaction temperature is 80 ℃, the catalyst is dodecylbenzene sulfonic acid and the silane coupling agent is A-151, the monomer conversion rate of the vinyl modified organosilicon emulsion in the prepared core-shell emulsion is high, and the emulsion stability is good.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An intaglio printing ink emulsion comprising a first raw material group, a second raw material group and a third raw material group;
the first raw material group comprises the following raw materials in parts by mass: 0.5-1 part of butyl acrylate, 0.5-1 part of N-hydroxymethyl acrylamide, 0.5-15 parts of SBS1, 0.5-1.5 parts of methyl acrylate, 1-5 parts of vinyl acetate and 1-2 parts of isooctyl acrylate (2-EHA);
the second raw material group comprises the following raw materials in parts by mass: 1-10 parts of preservative, 5-10 parts of thickening agent, 10-15 parts of defoaming agent, 10-30 parts of emulsifier, 2-10 parts of protective glue and 10-15 parts of potassium persulfate; 10-15 parts of a cross-linking agent;
the third raw material group comprises the following raw materials in parts by mass: 20-30 parts of pure water and 5-10 parts of organic silicon resin.
2. A gravure printing ink emulsion preparation device comprises a main reaction tank, and is characterized in that a temperature control mechanism is arranged on the top of the main reaction tank, a stirring mechanism is arranged on the top of the main reaction tank, a discharging mechanism is arranged at the output end of the bottom of the main reaction tank, and a feeding mechanism is arranged on the outer side of the top of the main reaction tank;
the temperature control mechanism comprises temperature guide rods, a heater and a refrigerator, wherein two groups of temperature guide rods are fixedly connected to the outer side of the top wall of the main reaction tank, and the bottom ends of the two groups of temperature guide rods are respectively and fixedly connected with the output ends of the heater and the refrigerator;
the stirring mechanism comprises a gearbox, a rotating shaft column, an output motor and a stirring disc, the center of the top of the main reaction tank is fixedly connected with the gearbox, the right side of the top of the main reaction tank is fixedly connected with the output motor, the left output end of the output motor is fixedly connected with the right input end of the gearbox, the bottom output end of the gearbox is fixedly connected with the rotating shaft column, the rotating shaft column penetrates through the top wall of the main reaction tank and extends into the main reaction tank, and the bottom end of the rotating shaft column is fixedly connected with the stirring disc;
the discharging mechanism comprises a main stop valve, a main output pipe, auxiliary output pipes and auxiliary stop valves, the center of the bottom wall of the main reaction tank is fixedly connected with the main stop valve, the top input end of the main stop valve longitudinally penetrates through the bottom wall of the main reaction tank, the bottom output end of the main stop valve is fixedly connected with the main output pipes, the rear side input ends of the two groups of main output pipes are respectively and fixedly connected to the tops of the main output pipes, and the front side output ends of the two groups of main output pipes are fixedly connected with one group of auxiliary output pipes;
the feeding mechanism includes filling tube, liquid feeding pipe, input stop valve and input liquid pump, the left rear portion of major reaction jar roof is provided with the filling tube, inside the filling tube vertically runs through the major reaction jar roof and extends to the major reaction jar, the major reaction jar left side is provided with the input liquid pump, input liquid pump top output fixed connection the input stop valve, input stop valve top output fixed connection the liquid feeding pipe, the liquid feeding pipe top runs through the major reaction jar roof and extends to inside the major reaction jar.
3. The intaglio printing ink emulsion and the apparatus for preparing the same as claimed in claim 2, wherein both sets of the thermal conduction rods longitudinally penetrate through the top wall of the thermal conduction rod, and both sets of the thermal conduction rods extend to the inside of the thermal conduction rod.
4. The intaglio printing ink emulsion and the apparatus for preparing the same as claimed in claim 2, wherein the rotary base is fixedly connected to the left side of the feed tube.
5. The intaglio printing ink emulsion and the preparation device thereof according to claim 2, wherein the middle part of the side wall of the main reaction tank is fixedly connected with four groups of fixed arc-shaped seats which are uniformly and annularly arranged.
6. The intaglio printing ink emulsion and the apparatus for preparing the same according to claim 2, wherein the top of the liquid feeding tube is provided with a one hundred eighty degree bend.
7. The intaglio printing ink emulsion and the preparation device thereof according to claim 5, wherein the four groups of the fixed arc-shaped seats are respectively fixedly connected with the four sides of the top of the support frame.
8. The intaglio printing ink emulsion and the apparatus for preparing the same as claimed in claim 2, wherein the feed tube is rotatably connected to the opening and closing rod through a rotary seat.
9. The intaglio printing ink emulsion and the apparatus for preparing the same as claimed in claim 8, wherein the bottom of the opening and closing rod is fixedly connected with a sealing cover.
10. The preparation method of the gravure printing ink emulsion is characterized by comprising the following steps:
s1: monomer synthesis
Adding a feeding pipe at the top of butyl acrylate, N-hydroxymethyl acrylamide, SBS, methyl acrylate, vinyl acetate and isooctyl acrylate included in the first raw material group into a main reaction tank, and starts to refrigerate by starting the refrigerator which is additionally arranged, and is guided into the main reaction tank by the temperature conduction rod, so that the temperature in the main reaction tank is reduced to minus 20 to minus 30 ℃, the additionally arranged output motor is started, the output motor drives the rotating shaft column and the stirring disc at the bottom of the rotating shaft column to start rotating and stirring, and the rotating shaft column rotating speed is controlled by the gear box at 500-700 rpm, the stirring time is set at 1.5-2 hours, stirring the first raw material group at low temperature to enable the first raw material group to react and fuse to generate a polymer, wherein the side chain crystallization tendency is generated due to the increase of alkyl carbon atoms, the polymer becomes brittle, and the polymer A is generated;
s2: initiation reaction
Firstly, controlling the speed of the rotating shaft column and the stirring disc to be 150-200 revolutions per minute by controlling the gearbox, adding potassium persulfate of the second raw material group into the main reaction tank by using the feeding pipe, mixing with the polymer A, and setting the time for mixing and stirring the polymer A and the potassium persulfate by using the stirring disc driven by the output motor to rotate to be 1.5-2 hours, so that the polymer A is accelerated to polymerize, and the particle size and the stability of the particles are reduced and are improved, and the particle size and the stability of the particles are reduced, thereby producing a polymer B;
s3: emulsification reaction
Continuing to control the rotating shaft column and the stirring disc to rotate at 300-400 rpm by controlling the gearbox, adding the emulsifier contained in the second raw material group into the main reaction tank by using the feeding pipe, mixing with polymer B, stirring and stirring the mixture of polymer B and emulsifier by the stirring disc driven by the output motor to rotate, wherein the stirring time is set to be 2.5-3 hours, and 3-5 parts of defoaming agent included in the second raw material group is added into the main reaction tank every 20 minutes, mixing with polymer B and emulsifier mixture to make polymer B and emulsifier in the main reaction tank start to make emulsification reaction, and avoiding the generation of foam in the emulsification process, generating polymer C after stirring for 2.5 to 3 hours, closing the stirring mechanism, and allowing the polymer C to stand for 30 to 40 minutes;
s4: crosslinking reaction
Starting a heater by using standing for 30-40 minutes, leading high temperature generated by the heater into the main reaction tank by the temperature guide rod to start temperature rise in the main reaction tank, starting the rotating shaft column when the temperature rises to 40-50 ℃, controlling the rotating speed of the rotating shaft column and the stirring disc to be 100-200 rpm by controlling the gearbox, adding the cross-linking agent contained in the second raw material group into the main reaction tank through a feeding pipe to be mixed with the polymer C, stirring the mixture of the polymer C and the cross-linking agent by the stirring disc, continuously heating the interior of the main reaction tank by the temperature guide rod by the heater, increasing the stirring time of the mixture of the polymer C and the cross-linking agent by 5-10 ℃ every 10-15 minutes, adding the protective gel contained in the second raw material group into the main reaction tank every 25-30 minutes, when the internal temperature of the main reaction tank is raised to 70-80 ℃, firstly, pure water contained in the third raw material group is conveyed into the main reaction tank through the liquid adding pipe by starting an additionally arranged input liquid pump and an input stop valve, and is mixed with a mixture of the polymer C and a cross-linking agent to generate a polymer D, then organic silicon resin contained in the third raw material group is added into the main reaction tank through the liquid adding pipe, the rotating speed of the rotating shaft column and the stirring disc is reduced to 50-60 revolutions by utilizing the gearbox, the polymer D and the organic silicon resin are mixed and stirred, the stirring time is set to be 2-2.5 hours, the preservative and the thickening agent contained in the second raw material group are added into the main reaction tank every 40-60 minutes, and after 2-2.5 hours of stirring, a finished emulsion product is finally generated, and after standing is carried out for 30-40 minutes, the raw material emulsion is discharged from the main output pipe and the auxiliary output pipe by opening the main stop valve and the auxiliary output pipe And the main reaction tank is filled into a glue storage tank for storage.
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| CN103304719A (en) * | 2013-07-05 | 2013-09-18 | 广东天龙油墨集团股份有限公司 | Acrylic emulsion and preparation method and application in waterborne polyvinyl chloride (PVC) wallpaper ink thereof |
| CN207085923U (en) * | 2017-08-25 | 2018-03-13 | 广东立得新材料科技有限公司 | A kind of reactor for the synthesis of water soluble acrylic acid hard resin emulsion |
| CN207576405U (en) * | 2017-12-06 | 2018-07-06 | 上海欧畅新材料科技有限公司 | A kind of water-soluble pearlescent ink adhesive production reaction kettle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304719A (en) * | 2013-07-05 | 2013-09-18 | 广东天龙油墨集团股份有限公司 | Acrylic emulsion and preparation method and application in waterborne polyvinyl chloride (PVC) wallpaper ink thereof |
| CN207085923U (en) * | 2017-08-25 | 2018-03-13 | 广东立得新材料科技有限公司 | A kind of reactor for the synthesis of water soluble acrylic acid hard resin emulsion |
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Application publication date: 20220325 |