CN115873463A - Preparation method and production system of antirust water-based paint - Google Patents
Preparation method and production system of antirust water-based paint Download PDFInfo
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- CN115873463A CN115873463A CN202211650988.7A CN202211650988A CN115873463A CN 115873463 A CN115873463 A CN 115873463A CN 202211650988 A CN202211650988 A CN 202211650988A CN 115873463 A CN115873463 A CN 115873463A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000003973 paint Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 79
- 238000000227 grinding Methods 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 239000004744 fabric Substances 0.000 claims abstract description 49
- 239000002002 slurry Substances 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 28
- 239000011259 mixed solution Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000002562 thickening agent Substances 0.000 claims abstract description 8
- 230000031877 prophase Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 58
- 239000002994 raw material Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 18
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 18
- 230000000844 anti-bacterial effect Effects 0.000 claims description 17
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 15
- 239000003899 bactericide agent Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 11
- 229910021641 deionized water Inorganic materials 0.000 claims description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 9
- 239000000839 emulsion Substances 0.000 claims description 9
- 235000010215 titanium dioxide Nutrition 0.000 claims description 9
- 239000000341 volatile oil Substances 0.000 claims description 9
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 8
- 239000002518 antifoaming agent Substances 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000000049 pigment Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 239000013008 thixotropic agent Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 239000003112 inhibitor Substances 0.000 claims description 6
- 230000003472 neutralizing effect Effects 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 235000013311 vegetables Nutrition 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 230000002045 lasting effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 5
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 239000006185 dispersion Substances 0.000 abstract description 6
- 239000000022 bacteriostatic agent Substances 0.000 abstract description 5
- 239000013556 antirust agent Substances 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 5
- -1 compound zinc phosphate Chemical class 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- CDOSHBSSFJOMGT-UHFFFAOYSA-N linalool Chemical compound CC(C)=CCCC(C)(O)C=C CDOSHBSSFJOMGT-UHFFFAOYSA-N 0.000 description 4
- UWKAYLJWKGQEPM-LBPRGKRZSA-N linalyl acetate Chemical compound CC(C)=CCC[C@](C)(C=C)OC(C)=O UWKAYLJWKGQEPM-LBPRGKRZSA-N 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 3
- 239000001490 (3R)-3,7-dimethylocta-1,6-dien-3-ol Substances 0.000 description 2
- CDOSHBSSFJOMGT-JTQLQIEISA-N (R)-linalool Natural products CC(C)=CCC[C@@](C)(O)C=C CDOSHBSSFJOMGT-JTQLQIEISA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- WEEGYLXZBRQIMU-UHFFFAOYSA-N Eucalyptol Chemical compound C1CC2CCC1(C)OC2(C)C WEEGYLXZBRQIMU-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- RFFOTVCVTJUTAD-UHFFFAOYSA-N cineole Natural products C1CC2(C)CCC1(C(C)C)O2 RFFOTVCVTJUTAD-UHFFFAOYSA-N 0.000 description 2
- 229960005233 cineole Drugs 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 229930007744 linalool Natural products 0.000 description 2
- UWKAYLJWKGQEPM-UHFFFAOYSA-N linalool acetate Natural products CC(C)=CCCC(C)(C=C)OC(C)=O UWKAYLJWKGQEPM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910014314 BYK190 Inorganic materials 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
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Abstract
The invention discloses a preparation method of antirust water-based paint, which comprises a mixed solution A; grinding the mixed solution A until the fineness is less than or equal to 20 mu m, and filtering with 200-mesh filter cloth to obtain prophase slurry for later use; obtaining a mixed solution B; and finally, directly adding the early stage slurry into the mixed solution B, keeping the speed of 800-1000r/min, stirring, adding a thickening agent, and adjusting the viscosity to 85-90Ku (25 +/-1 ℃) to obtain a finished product. The production system comprises a middle stirring assembly, a powder quantitative adding assembly and a plurality of liquid quantitative adding pipes. The invention reduces the use of bacteriostatic agent, improves the integral antirust capability at the initial stage and the later stage of the paint film, and is suitable for people-living containers which are in a closed and humid environment for a long time; and the production precision is improved by adopting the modes of quantitative blanking and batch production, the dispersion effect of powder materials such as the antirust agent is improved, and the antirust performance is further improved.
Description
Technical Field
The invention relates to the field of coatings, in particular to a preparation method and a production system of an antirust water-based coating.
Background
The antirust water-based paint is mainly a protective paint added with antirust particles, and the antirust particles are firstly subjected to particle exchange with the outside when being corroded, so that people containers such as people living container offices, people living container kitchens, people living container toilets and the like in one of the application examples are protected, container bodies are prevented from being corroded, the integrity of the containers can be protected to the greatest extent, and the service life of the container bodies is prolonged.
However, the people living container is a closed space, has poor ventilation effect and poor air quality, is easy to mildew and rust, and has higher requirement on the antirust function of the coating.
The existing antirust water-based paint has poor antirust effect in the environment, a large amount of solvent with antibacterial effect needs to be added into the paint for sterilization, and the traditional solvent type bacteriostatic agent has great influence on the environment, has great harm to human bodies and is difficult to meet the living demand.
Disclosure of Invention
The invention aims to provide a preparation method of an antirust water-based paint and a production system thereof, and aims to solve the technical problems of poor antirust performance and poor antibacterial effect of the paint in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the invention provides a preparation method of an antirust water-based paint, which comprises the following steps:
stirring and mixing a neutralizing agent, a dispersing agent, an antifreezing agent, a defoaming agent, a bactericide and 70% of deionized water at the speed of 600-700r/min until the mixture is uniformly mixed;
then sequentially adding titanium white LR996 pigment, composite zinc phosphate and aluminum tripolyphosphate and continuously stirring at the speed of 700-900 r/min;
then adding the dustproof thixotropic agent, and continuously stirring at the speed of 700-900r/min until the mixture is uniformly mixed to obtain a mixed solution A;
grinding the mixed liquor A until the fineness is less than or equal to 20 mu m, and filtering by using 200-mesh filter cloth to obtain prophase slurry for later use;
stirring the water-based acrylic emulsion at the speed of 600-700r/min, then adding the film forming aid, the flash rust inhibitor, the plant essential oil, the leveling agent and the rest 30% of deionized water, continuously stirring at the speed of 600-700r/min, mixing the antirust aid 142DA and the antirust aid AMP95 according to the proportion of 10 to 1, then adding, and increasing the stirring speed to 800-1000r/min for continuous stirring to obtain a mixed solution B;
and finally, directly adding the prophase paste into the mixed solution B, continuously keeping the speed of 800-1000r/min, stirring, adding a thickening agent, and adjusting the viscosity to 85-90Ku (25 +/-1 ℃) to obtain a finished product.
In a preferred embodiment of the present invention, the raw materials of the antirust water-based paint at least comprise the following components in parts by weight:
45-55 parts of water-based acrylic emulsion, 18-22 parts of deionized water, 11-13 parts of vegetable essential oil, 0.6-0.8 part of antifreezing agent, 0.6-0.8 part of neutralizing agent, 1-2 parts of dispersing agent, 0.1-0.2 part of defoaming agent, 3-6 parts of film-forming additive, 0.1-0.2 part of bactericide, 6-8 parts of composite zinc phosphate, 6-8 parts of aluminum tripolyphosphate, 1-1.5 parts of antirust additive, 1.8-2 parts of flash rust inhibitor, 0.8-1.2 parts of flatting agent, 0.1-0.3 part of dustproof thixotropic agent, 0.4-0.8 part of thickening agent and 3-6 parts of titanium white LR996 pigment.
The invention also provides a production system of the antirust water-based paint prepared by the preparation method, which comprises the following steps:
the middle stirring component is provided with a first stirring cylinder for preparing the mixed liquid A and a second stirring cylinder for preparing the mixed liquid B, and the inner cavity of the first stirring cylinder is higher than the inner cavity of the second stirring cylinder;
the powder quantitative adding assembly is connected to the top opening of the first stirring cylinder and is provided with a plurality of same-material blanking units, each same-material blanking unit correspondingly stores and blanks a powder raw material, each same-material blanking unit is divided into a plurality of same-size storage blanking grooves, and the storage blanking grooves are used for blanking successively;
a plurality of liquid quantitative addition pipes for adding liquid raw materials to the first mixing drum and the second mixing drum in a predetermined amount one by one;
the first mixing drum is connected with the second mixing drum through a grinding conveying drum, the grinding conveying drum is used for grinding the mixed liquid A formed by the first mixing drum in the conveying process to obtain early-stage slurry, and the mixed liquid A is conveyed to the second mixing drum to be mixed with the formed mixed liquid B.
As a preferred scheme of the invention, in the vertical direction, the first mixing drum, the grinding and conveying drum and the second mixing drum are sequentially arranged from top to bottom, and the first mixing drum and the second mixing drum are both arranged on a workbench through a frame body;
when during the ejection of compact of first churn, mix liquid A enter into extremely under the action of gravity in the grinding conveying cylinder and grind in the conveying cylinder and be ground, the solution after grinding is in through setting up the leading oar of screen cloth formation in the grinding conveying cylinder, at this moment synchronous production makes in the second churn and mixes liquid B, opens the feed inlet of second churn, earlier stage oar fall into under the action of gravity in the second churn and under lasting the stirring with mix liquid B and mix.
As a preferable scheme of the present invention, one end of the grinding and conveying cylinder is connected to the bottom discharge port of the first mixing cylinder, the other end of the grinding and conveying cylinder is disposed at a side edge of the second mixing cylinder, the feeding of the front paddle is not overlapped with the raw material feed port for preparing the mixed liquid B, and central axes of the first mixing cylinder and the second mixing cylinder are not disposed on the same straight line.
As a preferable scheme of the present invention, the grinding and conveying cylinder includes a housing and a spindle disposed in the housing, one end of the spindle penetrates through the housing and is connected to a rotation driving device, and the spindle is driven by the rotation driving device to rotate in the housing;
a grinding chamber is arranged between the outer peripheral side of the main shaft and the shell, a plurality of grinding media are arranged in the grinding chamber, and the grinding chamber is connected with a discharge hole of the first stirring cylinder through a feed channel;
the other end of the main shaft is inwards sunken to form a cylindrical inner groove with a completely opened end, the cylindrical inner groove is connected with a slurry outlet, cylindrical filter cloth is arranged between the cylindrical inner groove and the slurry outlet, a cavity is arranged in the cylindrical filter cloth, and two ends of the slurry outlet are respectively communicated with the cavity and the second stirring cylinder.
As a preferred scheme of the present invention, a fastening ring is clamped at a connection position of the slurry outlet and the cylindrical filter cloth, the fastening ring is disposed in the cavity and attached to the slurry outlet, and the fastening ring is used for supporting an end of the cylindrical filter cloth and attaching the cylindrical filter cloth to an inner side of the slurry outlet;
the fastening ring is provided with a plurality of support rods, the support rods extend along the inner wall of the cylindrical filter cloth towards the direction of the main shaft, and the support rods support and tension the cylindrical filter cloth.
As a preferred scheme of the present invention, a movable rod is arranged between every two adjacent support rods, and the movable rod is rotatably arranged on the fastening ring through a micro rotating motor;
when the movable rod is in rotate to the biggest angle back on the fastening ring, the movable rod with bracing piece parallel arrangement works as the movable rod is in when reciprocating rotation on the fastening ring, the movable rod can be right the tube-shape filter cloth is patted, prevents that large granule material from blockking the tube-shape filter cloth.
As a preferable aspect of the present invention, a flow gap is provided between the outer wall of the cylindrical filter cloth and the inner wall of the cylindrical inner tank, the flow gap is communicated with the grinding chamber, the ground mixed liquid a enters the cylindrical structure from the flow gap and enters the cavity through the cylindrical filter cloth to prepare pre-slurry, and the pre-slurry can flow into the second mixing drum from the slurry outlet;
the feed width of the flow voids is less than the diameter of the grinding media.
As a preferable aspect of the present invention, the powder component-quantity adding assembly includes a cover plate, and the cover plate is used as a cover body of the first stirring drum;
the cover plate is provided with a translation plate arranged below each same-material blanking unit, and the width of the translation plate is the same as that of the storage blanking groove;
the translation board is in through the telescopic pump with the bottom of material unloading unit removes, just the distance that the translation board removed at every turn does storage silo length along with the translation board removes in proper order, storage silo communicates with the feed opening in proper order, so that powder raw materials in the storage silo is promoted the whereabouts.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, a bactericide is not adopted, but a bactericide is adopted to improve the antibacterial and bacteriostatic effects of a paint film, and an antirust filler compounded with zinc phosphate and aluminum tripolyphosphate is adopted to improve the integral antirust capacity of the paint film in the initial and later stages, and the antirust additive 142DA and the antirust additive AMP95 in a ratio of 10.
In addition, the invention forms the mixed liquid A with the components containing the compound zinc phosphate and the aluminum tripolyphosphate, and increases the grinding process, and improves the dispersion degree of the two antirust fillers, namely the uniform dispersion degree of the two antirust fillers in the mixed liquid, thereby having greater effect on improving the integral antirust capability; in addition, the mixed solution A and the mixed solution B are subjected to double-line production in the production process, and the mixed solution A and the mixed solution B are directly mixed after production to adjust the consistency, so that the production system can save the production time compared with the common single-line production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic configuration diagram of a production system for providing a method for producing an anticorrosive water-based paint according to the present invention;
FIG. 2 is an enlarged view of the structure of the grinding and conveying cylinder provided by the present invention;
FIG. 3 is a schematic view of a part of the structure of a cylindrical filter cloth according to the present invention;
FIG. 4 is an enlarged view of the first mixing drum according to the present invention;
fig. 5 is a schematic side view of the powder quantitative adding assembly according to the present invention.
1-an intermediate stirring assembly; 2-a powder portioning and adding assembly; 3-same material blanking unit; 4-storage and discharge trough; 5-a plurality of liquid quantitative adding pipes; 6-frame body; 7-a rotation drive; 8-a feed channel; 9-slurry outlet; 10-fastening ring; 11-a support bar; 12-a movable rod; 13-a miniature rotating motor; 14-flow voids; 15-a valve;
101-a first mixing drum; 102-a second mixing drum; 103-grinding conveying cylinder;
1031-housing; 1032-main shaft; 1033-grinding media; 1034-a grinding chamber; 1035-cylindrical filter cloth; 201-cover plate; 202-a second cover plate; 203-a translation plate; 204-telescoping pump.
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 preparation method of antirust water-based paint, which at least comprises the following raw materials:
45-55 parts of water-based acrylic emulsion, 18-22 parts of deionized water, 11-13 parts of vegetable essential oil, 0.6-0.8 part of antifreezing agent, 0.6-0.8 part of neutralizing agent, 1-2 parts of dispersing agent, 0.1-0.2 part of defoaming agent, 3-6 parts of film-forming additive, 0.1-0.2 part of bactericide, 6-8 parts of composite zinc phosphate, 6-8 parts of aluminum tripolyphosphate, 1-1.5 parts of antirust additive, 1.8-2 parts of flash rust inhibitor, 0.8-1.2 parts of flatting agent, 0.1-0.3 part of dustproof thixotropic agent, 0.4-0.8 part of thickening agent and 3-6 parts of titanium white LR996 pigment.
In the formula, particularly, the antirust filler consists of composite zinc phosphate and aluminum tripolyphosphate in a mass ratio of 1.8-1.2. The composite zinc phosphate and the aluminum tripolyphosphate both have good antirust effects, and the composite zinc phosphate or the aluminum tripolyphosphate in the water-based paint can protect the metal inner wall of the container and prevent the container from rusting.
When the zinc phosphate complex and the aluminum tripolyphosphate are used together, the antirust material zinc phosphate complex mainly provides early antirust capability, the aluminum tripolyphosphate mainly provides later antirust capability, and the combination of the zinc phosphate complex and the aluminum tripolyphosphate obviously improves the early and later antirust capabilities of a paint film, so that the performance of the paint film is obviously improved.
And the plant essential oil comprises linalool, linalyl acetate and cineole, and the plant essential oil consisting of linalool, linalyl acetate and cineole has aromatic smell and certain bactericidal effect, can be matched with a bactericide therein to replace the traditional bacteriostatic agent, so that the use of the bacteriostatic agent in the paint is greatly reduced. Plant essential oil not only can play good antibacterial effect, and can give off fragrant gas, purifies the inside environment of container, improves and uses the impression, and is nontoxic harmless, prevents to go mildy after weing.
The bactericide is K9N, is a broad-spectrum in-tank bactericide, and can prevent degradation and deterioration of water-based system caused by bacteria, fungi and yeast
Wherein 1-1.5 parts of the antirust auxiliary agent consists of 142DA and AMP95 in a mass ratio of 10. The acid resistance and alkali resistance of the paint film are obviously improved.
Furthermore, the water-based acrylic emulsion is Dusmann XK-82 Dutch acrylic emulsion, has higher antirust performance, lower volatility and toxicity and higher curing hardness, can improve the antirust effect of the coating and reduce the toxicity in the coating; the neutralizer is AMP95, and the AMP95 is an efficient amine neutralizer which can be used for adjusting, stabilizing and assisting a pH value and the like; the dispersant is Pico BYK190; the antifoaming agents are BYK028 and Tego810; the film-forming additive is alcohol ester 12, and the alcohol ester 12 has good hydrolytic stability and no insoluble substances; the pigment is titanium white LR996, and the titanium white LR996 is a white pigment with good dispersibility and high covering; the flash rust prevention agent consists of an antirust agent ZT707 and deionized water in a mass ratio of 1; the thickening agent consists of RM-8W and RM-12W in a mass ratio of 1; the leveling agent is Tego100; the dustproof thixotropic agent is organic bentonite.
In order to improve the dispersion degree of powder materials such as composite zinc phosphate, aluminum tripolyphosphate and the like so as to improve the antirust effect of the coating, the invention also provides a preparation method of the antirust water-based coating, which comprises the following steps:
stirring and mixing a neutralizing agent, a dispersing agent, an antifreezing agent, a defoaming agent, a bactericide and 70% of deionized water at the speed of 600-700r/min until the components are uniformly mixed;
then sequentially adding the titanium white LR996 pigment, the composite zinc phosphate and the aluminum tripolyphosphate, and continuously stirring at the speed of 700-900 r/min;
then adding the dustproof thixotropic agent, and continuously stirring at the speed of 700-900r/min until the mixture is uniformly mixed to obtain a mixed solution A;
grinding the mixed solution A until the fineness is less than or equal to 20 mu m, and filtering by using 200-mesh filter cloth to obtain prophase slurry for later use;
stirring the water-based acrylic emulsion at the speed of 600-700r/min, then adding the film forming aid, the flash rust inhibitor, the plant essential oil, the leveling agent and the rest 30% of deionized water, continuously stirring at the speed of 600-700r/min, mixing the antirust aid 142DA and the antirust aid AMP95 according to the proportion of 10 to 1, then adding, and increasing the stirring speed to 800-1000r/min for continuous stirring to obtain a mixed solution B;
and finally, directly adding the prophase paste into the mixed solution B, continuously keeping the speed of 800-1000r/min, stirring, adding a thickening agent, and adjusting the viscosity to 85-90Ku (25 +/-1 ℃) to obtain a finished product.
According to the invention, by means of stirring and grinding, the mixed solution containing the LR996 pigment, the zinc composite phosphate and the aluminum tripolyphosphate is ground to the fineness of less than or equal to 20 microns, and then the mixed solution is sieved, so that the fineness of the coating is greatly reduced, the dispersion degree of the zinc composite phosphate and the aluminum tripolyphosphate in the coating is increased, the fineness of the coating is improved, the surface smoothness of the coating is improved, and the mixed solution is not easily adhered by bacteria.
And the mixed liquid A and the mixed liquid B can be produced in a split line mode, namely double-line mode production, so that the time during production can be reduced.
The conventional coating can be prepared by directly and sequentially feeding and mixing, and although the preparation method disclosed by the invention can improve the integral antirust capacity of a paint film, the steps of stirring and feeding are increased, and the preparation of a finished product cannot be completed in the same stirring device, so that equipment capable of fully automatically completing the whole preparation process is lacked.
In addition, a large amount of raw materials are added in the conventional preparation process and are directly mixed for preparation, the mixing effect requirement of mixing equipment is high, and the coating product prepared by the method is mainly used for a closed (air is not circulated) and easily-wetted living container for a long time, so that the requirement on the uniform mixing degree is also high.
In view of the above, the present invention further provides a production system for an antirust water-based paint suitable for the preparation method, which has the core points that:
firstly, a powder raw material and a liquid raw material are fed separately, the liquid raw material is fed by a pipeline in a conventional flow control mode (for example, an electric control valve), and most of the powder raw material is an auxiliary agent.
Therefore, the invention designs a production system of the antirust water-based paint aiming at the preparation method.
In addition, the stirring amount of the stirring mechanism at one time is reduced, the stirring mechanism is changed into a small stirring mechanism, the preset equal-amount raw material distribution is matched, and then the continuous blanking is carried out in sequence through the automatic control of the system, namely, the total amount of the conventional stirring at the next time is divided into a plurality of parts, and then the preparation of each part is automatically completed through the setting of the system.
In this embodiment, zinc phosphate, aluminum tripolyphosphate, titanium white LR996, and a dust-proof thixotropic agent (organobentonite) are compounded as powder materials.
The coating comprises an aqueous acrylic emulsion, a neutralizer (AMP 95), a dispersant (ByK 190), defoaming agents (ByK 028 and Tego 810), a film forming aid (alcohol ester 12), a bactericide (K9N), an anti-flash rust agent (an antirust agent ZT707 and deionized water in a mass ratio of 1.
Specifically, as shown in fig. 1 to 5, the present invention provides a production system of an antirust water-based paint, including:
the intermediate stirring assembly 1 comprises a first stirring cylinder 101 for preparing a mixed liquid A and a second stirring cylinder 102 for preparing a mixed liquid B, wherein the inner cavity of the first stirring cylinder 101 is higher than the inner cavity of the second stirring cylinder 102, the height of the mixed liquid A is higher than that of the mixed liquid B, and the discharge hole of the first stirring cylinder 101 is higher than that of the second stirring cylinder 102.
Powder divides ration to add subassembly 2, connects at the open-top of first churn 101, has a plurality of same material unloading units 3, and every is corresponding to save and a powder raw materials of unloading of material unloading unit 3, and every is expected unloading unit 3 to divide into a plurality of the same size promptly and stores up silo 4, stores up the silo 4 and unloads one by one.
The plurality of liquid quantitative addition pipes 5 are used for adding liquid raw materials to the first stirring drum 101 and the second stirring drum 102 in a predetermined amount one by one.
The first mixing drum 101 is connected with the second mixing drum 102 through a grinding and conveying drum 103, and the grinding and conveying drum 103 is used for grinding the mixed liquid A formed by the first mixing drum 101 in the conveying process to obtain the early-stage slurry, and conveying the early-stage slurry to the second mixing drum 102 to mix with the formed mixed liquid B.
Because in this embodiment, the powder is the unloading in proper order, so precision when reducing the unloading to make the churn can last production by a small amount, divide the powder ration to add subassembly 2 and divide into a plurality of same materials unloading unit 3, every same material unloading unit 3 corresponds a raw materials powder, and sets up a plurality of storage feed chute 4 in the same materials unloading unit 3, all sets up the raw materials powder of corresponding proportion part in every storage feed chute 4 in advance. During blanking, the first material storage and blanking groove 4 in the same-material blanking unit 3 is blanked in sequence to complete one-time blanking, and after the first mixing drum 101 completes production, the material storage and blanking grooves 4 in the second row are exposed in sequence again, and the raw materials in the second row are blanked to realize continuous blanking production.
The powder quantitative adding assembly 2 comprises a cover plate 201, the cover plate 201 is used as a cover body of the first mixing drum 101, and the cover plate 201 completely covers a feed opening of the powder raw material of the first mixing drum 101.
The cover plate 201 is provided with a translation plate 203 arranged below each same material blanking unit 3, the width of the translation plate 203 is the same as that of the storage blanking groove 4, and the length of the translation plate 203 is the same as the sum of the lengths of all the storage blanking grooves 4 in the same material blanking unit 3.
After the same-material blanking unit 3 finishes blanking, the translation plates 203 are reset, and corresponding powder is filled in the same-material blanking unit 3 until all the translation plates 203 are reset. In the process, the production of the system is not influenced when feeding.
The blanking is divided into small parts, so that the one-time stirring amount of the stirring mechanism is reduced, then the system automatically controls the sequential continuous blanking and continuous production, the configuration of each part is automatically completed, the blanking precision is improved, the machine does not need to be stopped in the production process of each part, and the continuous production can be realized.
In the vertical direction, the first mixing drum 101, the grinding and conveying drum 103, and the second mixing drum 102 are sequentially arranged from top to bottom, and the first mixing drum 101 and the second mixing drum 102 are all mounted on the workbench through the frame body 6.
When the first mixing drum 101 works, the second mixing drum 102 works simultaneously to produce mixed liquid A and mixed liquid B respectively, when the mixed liquid A and the mixed liquid B need to be mixed, the first mixing drum 101 discharges materials, the mixed liquid A enters the grinding conveying drum 103 under the action of gravity and is ground in the grinding conveying drum 103, the ground solution forms a front paddle through a screen mesh arranged in the grinding conveying drum 103, the mixed liquid B is synchronously produced in the second mixing drum 102 at the moment, a feed inlet of the second mixing drum 102 is opened, and the front paddle falls into the second mixing drum 102 under the action of gravity and is mixed with the mixed liquid B under continuous stirring.
Because the total amount of conventional next stirring is divided into a plurality of parts, the amount of each grinding is automatically reduced in the grinding process, the grinding and blanking mode is met, and the stirring system can continuously produce.
The blanking position of the front slurry is not coincident with the blanking position of powder and liquid, one end of a grinding and conveying cylinder 103 is connected with a bottom discharge hole of a first stirring cylinder 101, the other end of the grinding and conveying cylinder 103 is arranged on the side edge of a second stirring cylinder 102, the feeding of the front slurry is not coincident with a raw material feed inlet for preparing mixed liquid B, and the central axes of the first stirring cylinder 101 and the second stirring cylinder 102 are not arranged on the same straight line.
Specifically, in order to increase the fineness of grinding of the liquid and the grinding rate of the mixed liquid a, the present invention grinds the slurry with a ball mill, but unlike this, the present invention filters the preliminary slurry with a cylindrical filter cloth 1035 to increase the filtration rate.
The grinding and conveying cylinder 103 comprises a housing 1031 and a spindle 1032 arranged in the housing 1031, one end of the spindle 1032 penetrates through the housing 1031 to be connected with a rotation driving device 7, and the spindle 1032 is driven by the rotation driving device 7 to rotate in the housing 1031.
A grinding chamber 1034 is arranged between the outer peripheral side of the main shaft 1032 and the housing 1031, a plurality of grinding media 1033 are arranged in the grinding chamber 1034, and the grinding chamber 1034 is connected with the discharge hole of the first mixing drum 101 through a feed channel 8.
The other end of the main shaft 1032 is recessed inwards to form a cylindrical inner groove with a completely opened end, the cylindrical inner groove is connected with a slurry outlet 9, a cylindrical filter cloth 1035 is arranged between the cylindrical inner groove and the slurry outlet 9, a cavity is arranged in the cylindrical filter cloth 1035, and two ends of the slurry outlet 9 are respectively communicated with the cavity and the second stirring cylinder 102.
All be provided with valve 15 in feedstock channel 8 and the thick liquids export 9, valve 15 can control opening and shutting in feedstock channel 8 and the thick liquids export 9 respectively. When the feed channel 8 is opened, the mixed liquid a enters the grinding chamber 1034, the main shaft 1032 rotates and drives the grinding medium 1033 to rotate, the grinding medium 1033 grinds the mixed liquid a, the mixed liquid a gradually passes through and enters the cavity of the cylindrical filter cloth 1035 along with the grinding, so that the cavity is filled with the pre-slurry, and after the mixed liquid a is ground to a certain degree, the slurry outlet 9 is opened, and the pre-slurry flows into the second mixing drum 102 from the cavity to be mixed with the mixed liquid B.
Since the mixed liquid a continuously permeates into the cylindrical filter cloth 1035, the cylindrical filter cloth 1035 needs to be supported to a certain extent, a fastening ring 10 is provided at a joint of the slurry outlet 9 and the cylindrical filter cloth 1035 in a snap-fit manner, the fastening ring 10 is provided in the cavity and attached to the slurry outlet 9, and the fastening ring 10 is used for supporting an end of the cylindrical filter cloth 1035 and attaching the cylindrical filter cloth 1035 to the inside of the slurry outlet 9.
The fastening ring 10 is provided with a plurality of support rods 11, the support rods 11 are arranged to extend in the direction of the main shaft 1032 along the inner wall of the tubular filter cloth 1035, and the support rods 11 support and tension the tubular filter cloth 1035.
As the filtering process continues, the filtering holes in the tubular filtering cloth 1035 are blocked, and some filtering net components also slow down the filtering speed, which requires replacing the filtering net filtering cloth, resulting in production shutdown and affecting the preparation. In order to remove the particles blocked in the filtering holes of the cylindrical filtering cloth 1035, a movable rod 12 is arranged between every two adjacent supporting rods 11, and the movable rod 12 is rotatably arranged on the fastening ring 10 through a micro-rotating motor 13.
When the movable rod 12 rotates on the fastening ring 10 to a maximum angle, the movable rod 12 is parallel to the support rod 11, and when the movable rod 12 rotates on the fastening ring 10 in a reciprocating manner, the movable rod can flap the tubular filter cloth 1035, so that large-particle materials are prevented from blocking the tubular filter cloth 1035.
In this embodiment, since the cylindrical filter cloth 1035 is deformed during the beating process, a flow gap 14 is provided between the outer wall of the cylindrical filter cloth 1035 and the inner wall of the cylindrical inner tank, the flow gap 14 is communicated with the grinding chamber 1034, the ground mixed liquid a enters the cylindrical structure from the flow gap 14 and enters the cavity through the cylindrical filter cloth 1035 to prepare pre-slurry, and the pre-slurry can flow into the second mixing drum 102 from the slurry outlet 9.
The feed width of the flow space 14 is smaller than the diameter of the grinding media 1033 to prevent the grinding media 1033 from entering the flow space 14 and damaging the cylindrical filter cloth 1035.
By the preparation method and the production system of the antirust water-based paint, the use of bacteriostatic agents can be reduced, the integral antirust capacity at the initial stage and the later stage of a paint film is improved, the acid and alkali resistance of the paint film is improved, and the antirust water-based paint is suitable for people-living containers which are closed (air is not circulated) and easy to be wet for a long time; and the production precision is improved by adopting the modes of quantitative blanking and batch production, the dispersion effect of powder materials such as the antirust agent is improved, and the antirust performance is further improved.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made to the disclosure by those skilled in the art within the spirit and scope of the disclosure, and such modifications and equivalents should also be considered as falling within the scope of the disclosure.
Claims (10)
1. The preparation method of the antirust water-based paint is characterized by comprising the following steps:
stirring and mixing a neutralizing agent, a dispersing agent, an antifreezing agent, a defoaming agent, a bactericide and 70% of deionized water at the speed of 600-700r/min until the components are uniformly mixed;
then sequentially adding the titanium white LR996 pigment, the composite zinc phosphate and the aluminum tripolyphosphate, and continuously stirring at the speed of 700-900 r/min;
then adding the dustproof thixotropic agent, and continuously stirring at the speed of 700-900r/min until the mixture is uniformly mixed to obtain a mixed solution A;
grinding the mixed solution A until the fineness is less than or equal to 20 mu m, and filtering by using 200-mesh filter cloth to obtain prophase slurry for later use;
stirring the water-based acrylic emulsion at the speed of 600-700r/min, then adding the film forming aid, the flash rust inhibitor, the plant essential oil, the leveling agent and the rest 30% of deionized water, continuously stirring at the speed of 600-700r/min, mixing the antirust aid 142DA and the antirust aid AMP95 according to the proportion of 10 to 1, then adding, and increasing the stirring speed to 800-1000r/min for continuous stirring to obtain a mixed solution B;
and finally, directly adding the prophase paste into the mixed solution B, continuously keeping the speed of 800-1000r/min, stirring, adding a thickening agent, and adjusting the viscosity to 85-90Ku (25 +/-1 ℃) to obtain a finished product.
2. The method for preparing the antirust water-based paint according to claim 1, characterized in that the raw materials of the antirust water-based paint at least comprise the following components in parts by weight:
45-55 parts of water-based acrylic emulsion, 18-22 parts of deionized water, 11-13 parts of vegetable essential oil, 0.6-0.8 part of antifreezing agent, 0.6-0.8 part of neutralizing agent, 1-2 parts of dispersing agent, 0.1-0.2 part of defoaming agent, 3-6 parts of film-forming additive, 0.1-0.2 part of bactericide, 6-8 parts of composite zinc phosphate, 6-8 parts of aluminum tripolyphosphate, 1-1.5 parts of antirust additive, 1.8-2 parts of flash rust inhibitor, 0.8-1.2 parts of flatting agent, 0.1-0.3 part of dustproof thixotropic agent, 0.4-0.8 part of thickening agent and 3-6 parts of titanium white LR996 pigment.
3. An antirust water-based paint production system based on the preparation method according to any one of claims 1 to 2, characterized by comprising:
an intermediate stirring assembly (1) which is provided with a first stirring cylinder (101) for preparing the mixed liquid A and a second stirring cylinder (102) for preparing the mixed liquid B, wherein the inner cavity of the first stirring cylinder (101) is higher than the inner cavity of the second stirring cylinder (102);
the powder quantitative adding assembly (2) is connected to the top opening of the first stirring cylinder (101) and is provided with a plurality of same-material discharging units (3), each same-material discharging unit (3) correspondingly stores and discharges one powder raw material, each same-material discharging unit (3) is divided into a plurality of same-size discharging storage tanks (4), and the discharging storage tanks (4) discharge materials one by one;
a plurality of liquid quantitative addition pipes (5) for adding liquid raw materials to the first stirring drum (101) and the second stirring drum (102) in a predetermined amount one by one;
the first stirring cylinder (101) is connected with the second stirring cylinder (102) through a grinding and conveying cylinder (103), and the grinding and conveying cylinder (103) is used for grinding the mixed liquid A formed by the first stirring cylinder (101) in the conveying process to obtain early-stage slurry, conveying the early-stage slurry to the second stirring cylinder (102) and mixing the early-stage slurry with the formed mixed liquid B.
4. The production system of the antirust water-based paint according to claim 3, characterized in that the first mixing drum (101), the grinding and conveying drum (103) and the second mixing drum (102) are arranged in sequence from top to bottom in the vertical direction, and the first mixing drum (101) and the second mixing drum (102) are both mounted on the workbench through a frame body (6);
when first churn (101) ejection of compact, mixed liquid A enters into under the action of gravity in grinding conveying cylinder (103) and being ground in grinding conveying cylinder (103), and the solution after the grinding is through setting up the leading oar of screen formation in grinding conveying cylinder (103), at this moment synchronous production makes mixed liquid B in second churn (102), opens the feed inlet of second churn (102), earlier stage oar fall into under the action of gravity in second churn (102) and under lasting the stirring with mixed liquid B mixes.
5. The production system of the rust-proof water-based paint according to claim 3, characterized in that one end of the grinding and conveying cylinder (103) is connected with the bottom discharge port of the first mixing cylinder (101), the other end of the grinding and conveying cylinder (103) is arranged at the side of the second mixing cylinder (102), the feeding of the front paddle is not coincident with the raw material feeding port for preparing the mixed liquid B, and the central axes of the first mixing cylinder (101) and the second mixing cylinder (102) are not arranged on the same straight line.
6. A rust-preventive water-based paint production system according to claim 3, characterized in that the grinding delivery cartridge (103) comprises a housing (1031) and a spindle (1032) arranged in the housing (1031), one end of the spindle (1032) passes through the housing (1031) and is connected with a rotation driving device (7), and the spindle (1032) is driven by the rotation driving device (7) to rotate in the housing (1031);
a grinding chamber (1034) is arranged between the outer peripheral side of the main shaft (1032) and the shell (1031), a plurality of grinding media (1033) are arranged in the grinding chamber (1034), and the grinding chamber (1034) is connected with a discharge hole of the first stirring cylinder (101) through a feed channel (8);
the other end of the main shaft (1032) is sunken inwards and forms a cylindrical inner groove with a completely opened end, the cylindrical inner groove is connected with a slurry outlet (9), a cylindrical filter cloth (1035) is arranged between the cylindrical inner groove and the slurry outlet (9), a cavity is arranged in the cylindrical filter cloth (1035), and two ends of the slurry outlet (9) are respectively communicated with the cavity and the second stirring cylinder (102).
7. The production system of rust-proof water-based paint, according to claim 6, characterized in that the joint of the slurry outlet (9) and the cylindrical filter cloth (1035) is provided with a fastening ring (10) in a clamping manner, the fastening ring (10) is arranged in the cavity and attached to the slurry outlet (9), and the fastening ring (10) is used for supporting the end of the cylindrical filter cloth (1035) and attaching the cylindrical filter cloth (1035) to the inner side of the slurry outlet (9);
the fastening ring (10) is provided with a plurality of support rods (11), the support rods (11) extend along the inner wall of the cylindrical filter cloth (1035) to the direction of the main shaft (1032), and the support rods (11) support and tension the cylindrical filter cloth (1035).
8. The production system of rust inhibitive water-based paint according to claim 7, characterized in that a movable rod (12) is provided between every two adjacent support rods (11), said movable rods (12) are rotatably provided on said fastening ring (10) by a micro rotating motor (13);
work as movable rod (12) are in rotate to the maximum angle back on tight ring (10), movable rod (12) with bracing piece (11) parallel arrangement works as movable rod (12) are in when reciprocal rotation on tight ring (10), the movable rod can be right tube-shape filter cloth (1035) beats, prevents that the large granule material from blockking up tube-shape filter cloth (1035).
9. The rust-preventive water-based paint production system according to claim 8, characterized in that a flow gap (14) is provided between the outer wall of the cylindrical filter cloth (1035) and the inner wall of the cylindrical inner tank, the flow gap (14) is communicated with the grinding chamber (1034), and the ground mixed liquid A enters the cylindrical structure from the flow gap (14) and enters the cavity at the cylindrical filter cloth (1035) to produce pre-slurry, which can flow into the second mixing drum (102) from the slurry outlet (9);
the flow gap (14) has a feed width that is less than the diameter of the grinding media (1033).
10. A rust-preventive water-based paint production system according to claim 3, characterized in that said powder component-addition assembly (2) comprises a cover plate (201), said cover plate (201) being used as a cover body of said first agitating drum (101);
the cover plate (201) is provided with a translation plate (203) arranged below each same-material blanking unit (3), and the width of the translation plate (203) is the same as that of the storage blanking groove (4);
translation board (203) are in through telescopic pump (204) with the bottom removal of material unloading unit (3), just the distance that translation board (203) removed at every turn does storage unloading groove (4) length, along with translation board (203) remove in proper order, storage unloading groove (4) communicate with the feed opening in proper order, so that the powder raw materials in storage unloading groove (4) are promoted the whereabouts.
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| CN202211650988.7A CN115873463A (en) | 2022-12-21 | 2022-12-21 | Preparation method and production system of antirust water-based paint |
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| CN202211650988.7A CN115873463A (en) | 2022-12-21 | 2022-12-21 | Preparation method and production system of antirust water-based paint |
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| CN217698996U (en) * | 2022-06-15 | 2022-11-01 | 王亮 | Material mixing arrangement is used in chemical products processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110041772A (en) * | 2019-03-14 | 2019-07-23 | 河北晨阳工贸集团有限公司 | A kind of container water paint special and preparation method thereof |
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Application publication date: 20230331 |