CN114481687A - Acrylic acid copolymer emulsion for water-based toner paper and preparation method thereof - Google Patents
Acrylic acid copolymer emulsion for water-based toner paper and preparation method thereof Download PDFInfo
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- CN114481687A CN114481687A CN202111626153.3A CN202111626153A CN114481687A CN 114481687 A CN114481687 A CN 114481687A CN 202111626153 A CN202111626153 A CN 202111626153A CN 114481687 A CN114481687 A CN 114481687A
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- 239000000839 emulsion Substances 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229920002126 Acrylic acid copolymer Polymers 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims description 10
- 238000003756 stirring Methods 0.000 claims abstract description 81
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000000123 paper Substances 0.000 claims abstract description 24
- 239000002562 thickening agent Substances 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 18
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- 239000002270 dispersing agent Substances 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 17
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 14
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 14
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000001412 amines Chemical class 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 11
- 239000003755 preservative agent Substances 0.000 claims abstract description 11
- 230000002335 preservative effect Effects 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011575 calcium Substances 0.000 claims abstract description 6
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 6
- 241000276489 Merlangius merlangus Species 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 229920006243 acrylic copolymer Polymers 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims 2
- 235000001465 calcium Nutrition 0.000 claims 1
- 239000000454 talc Substances 0.000 claims 1
- 235000012222 talc Nutrition 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 16
- 230000008021 deposition Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/46—Non-macromolecular organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Dispersion Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses an acrylic acid copolymer emulsion for water-based toner paper, which consists of deionized water, propylene glycol, a dispersing agent, a lubricant, a defoaming agent, a multifunctional amine assistant, a preservative, anatase titanium dioxide, coarse whiting, kaolin, talcum powder, a pure acrylic emulsion, a film forming assistant and a thickening agent, wherein the weight of each component is as follows: deionized water: 330 parts and propylene glycol: 20 parts of a dispersant: 7 parts of lubricant: 1 part of defoaming agent: 2.5 parts; multifunctional amine auxiliary agent: 2 parts of preservative: 2 parts of anatase titanium dioxide: 80 parts of heavy calcium: 250 parts of kaolin: 120 parts of talcum powder: 30 parts of pure acrylic emulsion: 140 parts of film forming additive: 8 parts of a thickening agent: 10 parts. The center of the middle triangular plate can move in an arc track in the mixing tank, the purpose of full stirring is realized by matching with the separation stirring rod, raw materials which are not uniformly mixed at the bottom of the tank can be carried away to the upper layer of the liquid level for full mixing, and the occurrence of a deposition phenomenon is avoided.
Description
Technical Field
The invention relates to the technical field of acrylic acid copolymer emulsion, in particular to acrylic acid copolymer emulsion for water-based toner paper and a preparation method thereof.
Background
The acrylic copolymer emulsion is a micro-particle size acrylic emulsion, is suitable for various coating formulations, and the coating prepared by the acrylic copolymer emulsion has weather resistance. The formed acrylic acid copolymer emulsion has good dirt resistance and wear resistance, and has good adhesive force to the surfaces of masonry, wood and steel.
The acrylic acid copolymer emulsion produced by the traditional process flow has poor adhesive force and wet adhesive force and general film forming property, and cannot ensure long-time storage of the toner paper when being coated on the toner paper, and is easy to pulverize.
Simultaneously, when carrying out acrylic acid copolymerization emulsion preparation, the raw materials mixes to be indispensable in process flow, the agitating unit simple structure of mill now, mostly adopt single stirring rod to stir, during the stirring, the stirring rod can be kept away from to the raw materials, make the stirring raw materials mix and attach on the inner wall, and the easy deposit of raw materials is in the bottom, and then make the stirring inhomogeneous, if adopt many stirring rods to stir simultaneously, can cause and produce the resistance influence between the stirring rod, slow down the stirring process, miss raw materials and mix the optimum time, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to: in order to solve the problems, the acrylic acid copolymer emulsion for the water-based toner paper and the preparation method thereof are provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the acrylic acid copolymer emulsion for the water-based toner paper comprises deionized water, propylene glycol, a dispersing agent, a lubricating agent, a defoaming agent, a multifunctional amine auxiliary agent, a preservative, anatase titanium dioxide, heavy calcium carbonate, kaolin, talcum powder, a pure acrylic emulsion, a film forming auxiliary agent and a thickening agent, wherein the weight of each component is as follows: deionized water: 330 parts and propylene glycol: 20 parts of a dispersant: 7 parts of lubricant: 1 part of defoaming agent: 2.5 parts; multifunctional amine auxiliary agent: 2 parts of preservative: 2 parts of anatase titanium dioxide: 80 parts of heavy calcium: 250 parts of kaolin: 120 parts of talcum powder: 30 parts of pure acrylic emulsion: 140 parts of film forming additive: 8 parts of a thickening agent: 10 parts.
Preferably, the dispersant is a PA-02 dispersant, the lubricant is a PE-100 lubricant, the defoaming agent is an NXZ defoaming agent, and the thickening agent is an ASE-60 thickening agent and a TT-935 thickening agent in parts by weight of 6 and 4 respectively.
Preferably, the heavy calcium is sieved by 1250 meshes, the kaolin is sieved by 1250 meshes, and the talcum powder is sieved by 800 meshes.
A preparation method of acrylic acid copolymer emulsion for water-based toner paper comprises the following steps:
s1, adding 250 parts of deionized water into stirring equipment, starting stirring, heating to raise the temperature, wherein the stirring speed is 45-55rpm, and after the temperature is raised to 70 ℃, sequentially adding 20 parts of propylene glycol, 7 parts of dispersing agent, 1 part of lubricating agent and 2 parts of defoaming agent;
s2, after the temperature is raised to 80 ℃, the stirring speed is increased to 60-65rpm, 2 parts of multifunctional amine additive, 2 parts of preservative and 80 parts of anatase titanium dioxide are added in sequence, the stirring is stopped after the viscosity of the mixed liquid is greater than 190cp, and the temperature of the mixed liquid is maintained within plus or minus 2 ℃;
s3: uniformly mixing 250 parts of heavy calcium carbonate, 120 parts of kaolin and 30 parts of talcum powder, attaching the surface of the mixed liquid, adding the mixed liquid into the mixed liquid, raising the temperature to 95 ℃, starting stirring equipment until the rotating speed is 70rpm, adding 140 parts of pure acrylic emulsion, titrating 8 parts of film-forming auxiliary agent, and adding 40 parts of normal-temperature deionized water again;
s4: and (3) stirring the mixed liquid to 300cp thick liquid, stopping heating, reducing the temperature to 65 ℃, adding 6 parts of ASE-60 thickening agent and 4 parts of TT-935 thickening agent, adding 40 parts of deionized water, starting a stirring device to rotate at the rotating speed of 30-35rpm, continuously reducing the temperature to 40 ℃, sieving, filtering and packaging the mixed liquid through a 85-mesh screen.
Preferably, the stirring device involved in the steps S1-S4 comprises a mixing tank, one side of the mixing tank is fixedly connected with a side motor plate, one side of the side motor plate is fixedly connected with a side supporting seat, the upper end of the side supporting seat is provided with a first rotating motor, the other side of the mixing tank is connected with a cross frame through a bottom fixing plate, the two ends of the cross frame are connected with vertical clamping blocks, one side of the cross frame is provided with a sliding groove, the sliding groove is connected with a horizontal sliding block in a sliding manner, the outer side of the horizontal sliding block is fixedly connected with a fastening ring, one side of the horizontal sliding block is connected with an internal thread cylinder through a sliding block connecting frame, the internal thread of the internal thread cylinder is connected with a threaded rod, the two ends of the threaded rod are respectively connected with a limit end and a second rotating motor, one side of the second rotating motor is connected with an adjusting frame, the adjusting frame is connected with the upper end of the cross frame through a connecting plate, the lower end of the second rotating motor is provided with an end supporting seat, and a stirring mechanism for stirring is connected in the fastening ring.
Preferably, rabbling mechanism includes the axis of rotation, axis of rotation one end is connected with the side set-square, the side set-square rotates through spacing fastener and is connected with the connecting piece, the connecting piece rotates and is connected with the separation puddler, separation puddler one end rotates and is connected with the separation connecting cylinder, set-square one side is provided with middle set-square, fixedly connected with separation connecting cylinder on the middle set-square, separation connecting cylinder both ends are rotated respectively and are connected with the separation puddler, spacing dish of separation puddler one end fixedly connected with.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. this application is through adopting special rabbling mechanism, utilize and mix the cylindric stirring structure of pond replacement tradition, the condition of avoiding the raw materials to adhere to at the inner wall takes place, it is rotatory to utilize two driving threaded rods of rotating electrical machines, make the internal thread section of thick bamboo drive horizontal slider reciprocating sliding in the spout, transfer the axis of rotation and take place the displacement, make middle set square center can be pitch arc removal in mixing the pond, the mesh of intensive mixing is realized to cooperation separation puddler, can be in the not misce bene's of bottom of the pool raw materials, the area is from carrying out intensive mixing to the liquid level upper strata, avoid deposition to take place, the structure has the rationality.
2. This application is through the raw materials that adopts fixed ratio to acrylic acid copolymerization emulsion that produces according to systematic flow has fine weatherability, alkali resistance and stain resistance, can improve bonding force and the wet adhesion that pigment is outstanding, and film forming is good, and transparent, bright in the aspect of the colour, when coating on the toner paper, can guarantee that the chalking degree is low after the long-time storage of toner paper, and it is even to improve the toner paper and color.
Drawings
FIG. 1 is a schematic diagram showing the structure of a production flow of an acrylic copolymer emulsion provided according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a structure of one side of a stirring device provided according to an embodiment of the invention;
fig. 3 is a schematic structural view illustrating a rotating shaft provided according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a stirring mechanism provided according to an embodiment of the present invention;
FIG. 5 illustrates a schematic structural view of a fastening ring joint provided according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a split stirring rod provided according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the whole stirring apparatus provided in the embodiment of the present invention.
Illustration of the drawings:
1. a mixing tank; 2. a side motor plate; 3. a side support base; 4. a first rotating motor; 5. erecting a fixture block; 6. a cross frame; 7. an adjusting bracket; 8. a connecting plate; 9. a threaded rod; 10. an internal threaded barrel; 11. a second rotating motor; 12. a middle triangle; 13. a connecting member; 14. a slider connecting frame; 15. a horizontal slider; 16. a bottom fixing plate; 17. a limiting end; 18. an end support seat; 19. a chute; 20. a rotating shaft; 21. a side set square; 22. a limiting fastener; 23. separating the connecting cylinder; 24. separating the stirring rod; 25. a limiting disc; 26. and (5) fastening the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
the acrylic acid copolymer emulsion for the water-based toner paper comprises deionized water, propylene glycol, a dispersing agent, a lubricating agent, a defoaming agent, a multifunctional amine auxiliary agent, a preservative, anatase titanium dioxide, heavy calcium carbonate, kaolin, talcum powder, a pure acrylic emulsion, a film forming auxiliary agent and a thickening agent, wherein the weight of each component is as follows: deionized water: 330 parts and propylene glycol: 20 parts of a dispersant: 7 parts of lubricant: 1 part of defoaming agent: 2.5 parts; multifunctional amine auxiliary agent: 2 parts of preservative: 2 parts of anatase titanium dioxide: 80 parts of heavy calcium: 250 parts of kaolin: 120 parts of talcum powder: 30 parts of pure acrylic emulsion: 140 parts of film forming additive: 8 parts of a thickening agent: 10 parts. The dispersant is PA-02 dispersant, the lubricant is PE-100 lubricant, the defoaming agent is NXZ defoaming agent, the thickening agent is ASE-60 thickening agent and TT-935 thickening agent, and the weight portions are respectively 6 portions and 4 portions. The grain size of the coarse whiting is sieved by 1250 meshes, the grain size of the kaolin is sieved by 1250 meshes, and the grain size of the talcum powder is sieved by 800 meshes.
A preparation method of acrylic acid copolymer emulsion for water-based toner paper comprises the following steps:
s1, adding 250 parts of deionized water into stirring equipment, starting stirring, heating to raise the temperature, wherein the stirring speed is 45-55rpm, and after the temperature is raised to 70 ℃, sequentially adding 20 parts of propylene glycol, 7 parts of dispersing agent, 1 part of lubricating agent and 2 parts of defoaming agent;
s2, after the temperature is raised to 80 ℃, the stirring speed is increased to 60-65rpm, 2 parts of multifunctional amine additive, 2 parts of preservative and 80 parts of anatase titanium dioxide are added in sequence, the stirring is stopped after the viscosity of the mixed liquid is greater than 190cp, and the temperature of the mixed liquid is maintained within plus or minus 2 ℃;
s3: uniformly mixing 250 parts of heavy calcium carbonate, 120 parts of kaolin and 30 parts of talcum powder, attaching the surface of the mixed liquid, adding the mixed liquid into the mixed liquid, raising the temperature to 95 ℃, starting stirring equipment until the rotating speed is 70rpm, adding 140 parts of pure acrylic emulsion, titrating 8 parts of film-forming auxiliary agent, and adding 40 parts of normal-temperature deionized water again;
s4: and (3) stirring the mixed liquid to 300cp thick liquid, stopping heating, reducing the temperature to 65 ℃, adding 6 parts of ASE-60 thickening agent and 4 parts of TT-935 thickening agent, adding 40 parts of deionized water, starting a stirring device to rotate at the rotating speed of 30-35rpm, continuously reducing the temperature to 40 ℃, sieving, filtering and packaging the mixed liquid through a 85-mesh screen.
The acrylic copolymer emulsion adopts raw materials with fixed proportion, is produced according to a systematic flow, has good weather resistance, alkali resistance and stain resistance, can improve the excellent adhesive force and wet adhesive force of pigment, has good film forming property, is transparent and bright in color, can ensure low pulverization degree of the toner paper after being stored for a long time when being coated on the toner paper, improves the uniform coloring of the toner paper, adopts the typical physical property detected by special equipment for the acrylic copolymer emulsion, and has the following results shown in the following table:
| appearance of the product | Milky white liquid |
| Solid content | 48.5～49.5% |
| pH | 9.0～10.0 |
| Viscosity of the oil | 60～400cps |
| Wet density | 1.28KG/L |
| Wet weight capacity | 0.924L/KG |
| Film Forming Temperature (MFFT) | 20℃ |
| Glass transition temperature (Tg) | 26℃ |
| Charge of particles | Anion(s) |
| Freeze thaw stability | Attention is paid to prevent freezing |
The acrylic copolymer emulsion has good adhesive force on the surfaces of masonry, wood, paper and metal, the acrylic copolymer emulsion produced by adopting the AC-261 pure acrylic emulsion as the pure acrylic emulsion in the raw materials has excellent fluidity, leveling property and paint film fullness, and the paint film generated by cellulose is poor in appearance and construction performance, so that the independent use of the thickener is not recommended, the compatibility of the AC-261 pure acrylic emulsion and various defoaming agents is good, and a small amount of aliphatic hydrocarbon with the boiling point of 100-150 ℃ can be added to improve foam control to supplement the traditional defoaming agent.
Specifically, as shown in fig. 1-7, the stirring apparatus involved in steps S1-S4 includes a mixing tank 1, one side of the mixing tank 1 is fixedly connected with a side motor plate 2, one side of the side motor plate 2 is fixedly connected with a side support base 3, the upper end of the side support base 3 is provided with a first rotating motor 4, the other side of the mixing tank 1 is connected with a cross frame 6 through a bottom fixing plate 16, two ends of the cross frame 6 are connected with vertical clamping blocks 5, one side of the cross frame 6 is provided with a sliding groove 19, the sliding groove 19 is slidably connected with a horizontal sliding block 15, the outer side of the horizontal sliding block 15 is fixedly connected with a fastening ring 26, one side of the horizontal sliding block 15 is connected with an internal thread cylinder 10 through a sliding block connecting frame 14, the internal thread cylinder 10 is internally connected with a threaded rod 9, two ends of the threaded rod 9 are respectively connected with a limit end 17 and a second rotating motor 11, one side of the second rotating motor 11 is connected with an adjusting frame 7, the adjusting frame 7 is connected to the upper end of the cross frame 6 through a connecting plate 8, the lower end of the second rotating motor 11 is provided with an end support seat 18, a stirring mechanism for stirring is connected in a fastening ring 26, two ends of a separating connecting cylinder 23 structure in the stirring mechanism are respectively and rotatably connected with two separating stirring rods 24, namely, when the first rotating motor 4 and the second rotating motor 11 rotate, the rotation between the two side triangular plates 21 is respectively driven to be mutually independent, wherein the triangular plate 21 on one side is the rotation motion of a fixed shaft, the triangular plate 21 on the other side is the rotation motion of a horizontal moving shaft, namely, when the rotation motions of the two side triangular plates 21 which rotate independently act on the middle triangular plate 12 together, the rotation diversity of the middle triangular plate 12 is improved, the stirring efficiency of the whole stirring mechanism is further improved, the stirring mechanism in the drawing is in a state when the middle triangular plate 12 moves to the lowest end, at the moment, the rotation of the middle triangular plate 12 can stir the deposition raw materials at the bottom of the mixing pool 1, compare in the stirring structure of current fixed point, the stirring efficiency that this agitated vessel improved greatly can accomplish the stirring in the best raw materials mixing time, and the structure has the rationality.
Specifically, as shown in fig. 4, the stirring mechanism includes a rotating shaft 20, one end of the rotating shaft 20 is connected with a side set square 21, the side set square 21 is rotatably connected with a connecting piece 13 through a limiting fastener 22, the connecting piece 13 is rotatably connected with a separating stirring rod 24, one end of the separating stirring rod 24 is rotatably connected with a separating connecting cylinder 23, one side of the side set square 21 is provided with a middle set square 12, the middle set square 12 is fixedly connected with a separating connecting cylinder 23, two ends of the separating connecting cylinder 23 are respectively rotatably connected with the separating stirring rod 24, one end of the separating stirring rod 24 is fixedly connected with a limiting disc 25, the mixing tank 1 is used for replacing the traditional cylindrical stirring structure, the situation that the raw material is attached to the inner wall is avoided, a rotating motor two 11 is used for driving a threaded rod 9 to rotate, so that an internal thread cylinder 10 drives a horizontal sliding block 15 to slide in a sliding groove 19 in a reciprocating manner, the rotating shaft 20 is adjusted to generate displacement, and the center of the middle set square 12 can move in an arc line in the mixing tank 1, the purpose of full stirring is realized in cooperation with the separation stirring rod 24, and the structure has rationality.
In conclusion, the acrylic acid copolymer emulsion for aqueous toner paper and the preparation method thereof provided by the embodiment, the special stirring equipment is adopted during production stirring, the stirring efficiency is improved, the traditional single stirring direction that the raw materials surround the stirring rod is replaced, the situation that the raw materials are attached to the inner wall is avoided, when the stirring device is operated, the first rotating motor 4 and the second rotating motor 11 rotate simultaneously, the side triangle 21 connected with the first rotating motor 4 rotates around the rotating shaft 20 with the central position unchanged, and the side set square 21 connected with the horizontal sliding block 15 rotates around the rotating shaft 20 with the center position changing by the inner thread cylinder 10, the rotation center of the stirring rod changes constantly, the rotation center of the middle triangular plate 12 finally moves in a reciprocating mode along an arc line, and the middle triangular plate 12 rotates automatically, so that the separation stirring rod 24 can perform an efficient rotating and stirring process.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The acrylic acid copolymer emulsion for the water-based toner paper is characterized in that: the paint consists of deionized water, propylene glycol, a dispersant, a lubricant, a defoaming agent, a multifunctional amine assistant, a preservative, anatase titanium dioxide, heavy calcium, kaolin, talcum powder, pure acrylic emulsion, a film forming assistant and a thickening agent, wherein the weight of each component is as follows: deionized water: 330 parts and propylene glycol: 20 parts of a dispersant: 7 parts of lubricant: 1 part of defoaming agent: 2.5 parts; multifunctional amine auxiliary agent: 2 parts of preservative: 2 parts of anatase titanium dioxide: 80 parts of heavy calcium: 250 parts of kaolin: 120 parts of talcum powder: 30 parts of pure acrylic emulsion: 140 parts of film forming additive: 8 parts of a thickening agent: 10 parts.
2. The acrylic copolymer emulsion for aqueous toner paper as claimed in claim 1, wherein the dispersant is PA-02 dispersant, the lubricant is PE-100 lubricant, the defoamer is NXZ defoamer, the thickener is ASE-60 thickener and TT-935 thickener, and the weight portions are 6 parts and 4 parts respectively.
3. The acrylic acid copolymer emulsion for water-based toner paper as claimed in claim 1, wherein the coarse whiting is sieved with 1250 mesh, the kaolin is sieved with 1250 mesh, and the talc is sieved with 800 mesh.
4. The preparation method of the acrylic acid copolymer emulsion for the water-based toner paper is characterized by comprising the following steps of:
s1, adding 250 parts of deionized water into stirring equipment, starting stirring, heating to raise the temperature, wherein the stirring speed is 45-55rpm, and after the temperature is raised to 70 ℃, sequentially adding 20 parts of propylene glycol, 7 parts of dispersing agent, 1 part of lubricating agent and 2 parts of defoaming agent;
s2, after the temperature is raised to 80 ℃, the stirring speed is increased to 60-65rpm, 2 parts of multifunctional amine additive, 2 parts of preservative and 80 parts of anatase titanium dioxide are added in sequence, the stirring is stopped after the viscosity of the mixed liquid is greater than 190cp, and the temperature of the mixed liquid is maintained within plus or minus 2 ℃;
s3: uniformly mixing 250 parts of heavy calcium carbonate, 120 parts of kaolin and 30 parts of talcum powder, attaching the surface of the mixed liquid, adding the mixed liquid into the mixed liquid, raising the temperature to 95 ℃, starting stirring equipment until the rotating speed is 70rpm, adding 140 parts of pure acrylic emulsion, titrating 8 parts of film-forming auxiliary agent, and adding 40 parts of normal-temperature deionized water again;
s4: and (3) stirring the mixed liquid to 300cp thick liquid, stopping heating, reducing the temperature to 65 ℃, adding 6 parts of ASE-60 thickening agent and 4 parts of TT-935 thickening agent, adding 40 parts of deionized water, starting a stirring device to rotate at the rotating speed of 30-35rpm, continuously reducing the temperature to 40 ℃, sieving, filtering and packaging the mixed liquid through a 85-mesh screen.
5. The method for preparing acrylic copolymer emulsion for aqueous toner paper according to claim 4, wherein the stirring device involved in steps S1-S4 comprises a mixing tank (1), one side of the mixing tank (1) is fixedly connected with a side motor plate (2), one side of the side motor plate (2) is fixedly connected with a side support base (3), the upper end of the side support base (3) is provided with a first rotating motor (4), the other side of the mixing tank (1) is connected with a cross frame (6) through a bottom fixing plate (16), two ends of the cross frame (6) are connected with vertical clamping blocks (5), one side of the cross frame (6) is provided with a sliding groove (19), the sliding groove (19) is connected with a horizontal sliding block (15) in a sliding manner, the outer side of the horizontal sliding block (15) is fixedly connected with a fastening ring (26), one side of the horizontal sliding block (15) is connected with an internal thread cylinder (10) through a sliding block connecting frame (14), threaded rod (9) is connected to internal thread section of thick bamboo (10), threaded rod (9) both ends are connected with spacing end (17) and rotating electrical machines two (11) respectively, rotating electrical machines two (11) one side is connected with alignment jig (7), alignment jig (7) are connected in crossbearer (6) upper end through connecting plate (8), rotating electrical machines two (11) lower extreme is provided with end support seat (18), tighrening ring (26) in-connection has the rabbling mechanism that is used for the stirring.
6. The preparation method of the acrylic acid copolymer emulsion for the water-based toner paper as claimed in claim 5, wherein the stirring mechanism comprises a rotating shaft (20), one end of the rotating shaft (20) is connected with a side triangle (21), the side triangle (21) is rotatably connected with a connecting piece (13) through a limiting fastener (22), the connecting piece (13) is rotatably connected with a separation stirring rod (24), one end of the separation stirring rod (24) is rotatably connected with a separation connecting cylinder (23), one side of the side triangle (21) is provided with a middle triangle (12), the middle triangle (12) is fixedly connected with a separation connecting cylinder (23), two ends of the separation connecting cylinder (23) are respectively rotatably connected with a separation stirring rod (24), and one end of the separation stirring rod (24) is fixedly connected with a limiting disc (25).
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Application publication date: 20220513 |