CN115975471A - Double-coating powder coating and preparation method thereof - Google Patents
Double-coating powder coating and preparation method thereof Download PDFInfo
- Publication number
- CN115975471A CN115975471A CN202211586170.3A CN202211586170A CN115975471A CN 115975471 A CN115975471 A CN 115975471A CN 202211586170 A CN202211586170 A CN 202211586170A CN 115975471 A CN115975471 A CN 115975471A
- Authority
- CN
- China
- Prior art keywords
- temperature
- parts
- double
- area
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 94
- 239000011248 coating agent Substances 0.000 title claims abstract description 88
- 239000000843 powder Substances 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002344 surface layer Substances 0.000 claims abstract description 46
- 239000010410 layer Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 46
- 229910021389 graphene Inorganic materials 0.000 claims description 46
- 238000002156 mixing Methods 0.000 claims description 42
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 36
- 229920000578 graft copolymer Polymers 0.000 claims description 35
- 238000003756 stirring Methods 0.000 claims description 31
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 30
- 229910017604 nitric acid Inorganic materials 0.000 claims description 30
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 26
- 239000003242 anti bacterial agent Substances 0.000 claims description 25
- 239000000243 solution Substances 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- 229910052710 silicon Inorganic materials 0.000 claims description 24
- 239000010703 silicon Substances 0.000 claims description 24
- 239000003822 epoxy resin Substances 0.000 claims description 23
- 229920000647 polyepoxide Polymers 0.000 claims description 23
- 229920001225 polyester resin Polymers 0.000 claims description 22
- 239000004645 polyester resin Substances 0.000 claims description 22
- 239000008096 xylene Substances 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 235000021355 Stearic acid Nutrition 0.000 claims description 18
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 18
- JHYNXXDQQHTCHJ-UHFFFAOYSA-M ethyl(triphenyl)phosphanium;bromide Chemical compound [Br-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(CC)C1=CC=CC=C1 JHYNXXDQQHTCHJ-UHFFFAOYSA-M 0.000 claims description 18
- 239000003999 initiator Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 18
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 18
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 18
- 239000000049 pigment Substances 0.000 claims description 18
- 239000008117 stearic acid Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000012295 chemical reaction liquid Substances 0.000 claims description 14
- 229920002943 EPDM rubber Polymers 0.000 claims description 13
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 12
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 12
- 125000005456 glyceride group Chemical group 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 12
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000007873 sieving Methods 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 7
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical group C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 6
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical group NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 239000000376 reactant Substances 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims 6
- 238000000034 method Methods 0.000 claims 2
- 230000007797 corrosion Effects 0.000 abstract description 16
- 238000005260 corrosion Methods 0.000 abstract description 16
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000126 substance Substances 0.000 description 8
- 238000005336 cracking Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000002114 nanocomposite Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses a double-coating powder coating and a preparation method thereof; relates to the technical field of powder coating production, and is formed by combining an inner layer and a surface layer, wherein the surface layer is arranged on the surface of a base material, and the inner layer covers the surface of the surface layer; according to the double-coating powder coating prepared by the invention, the service life of the coating can be obviously prolonged by adopting the double coating, the surface layer and the base material can be better and tightly combined by virtue of the characteristic that the inner layer has higher adhesive force, and the inner layer has relatively poorer corrosion resistance, so that the inner layer can be prevented from directly contacting with external corrosion factors by virtue of the covering of the surface layer, and the double coating can be better applied to various environments by virtue of the higher corrosion resistance of the surface layer.
Description
Technical Field
The invention belongs to the technical field of powder coating production, and particularly relates to a double-coating powder coating and a preparation method thereof.
Background
Since the seventies of the last century, powder coatings have been used more and more widely because they contain no organic solvents and 100% solids, compared with most of the existing solvent-based coatings, they have the advantages of no pollution, energy and resource conservation, high mechanical strength of the coating film, complete recovery of the excess coating, and the like.
The prior art application number is: 2019110148084, the invention relates to the field of powder coatings, and particularly discloses a high-flash-silver corrosion-resistant powder coating which comprises the following raw materials in parts by mass: 24-35 parts of epoxy resin KD-203L; polyester resin SJ6805, 36-50 parts; 1.6-9.3 parts of inorganic pigment; 11-33 parts of secondary film-forming filler; 2-5 parts of an auxiliary agent; 3-7 parts of aluminum powder. According to the invention, the epoxy resin KD-203L with hydroxyl is selected to enable the powder coating to have good corrosion resistance, the polyester resin SJ6805 with carboxyl is selected to enable the powder coating to have good leveling property, a high amount of aluminum powder is added to enable the powder coating to have good silver flashing effect, although the powder coating has good corrosion resistance, a single-layer coating is adopted, so that after the powder coating is used for a long time, more abrasion is easy to occur, and after the abrasion exposes out of a base material, the deterioration of a coating is accelerated, so that the service life of the powder coating is greatly reduced.
Therefore, further improvements to the prior art are needed.
Disclosure of Invention
The invention aims to provide a double-coating powder coating and a preparation method thereof, which aim to solve the defects in the prior art.
The technical scheme adopted by the invention is as follows:
a double-coating powder coating is formed by combining an inner layer and a surface layer, wherein the surface layer is arranged on the surface of a base material, and the inner layer covers the surface of the surface layer;
the inner layer is prepared from the following components in parts by weight: 65-70 parts of epoxy resin KD2012H, 1-3 parts of ethyl triphenyl phosphonium bromide, 2-2.8 parts of stearic acid, 2-4 parts of silica powder, 1-2 parts of graphene and 6-7 parts of curing agent;
the surface layer is prepared from the following components in parts by weight: 50-65 parts of polyester resin, 1-4 parts of pigment, 12-20 parts of calcium carbonate, 10-18 parts of graft polymer and 1-1.5 parts of inorganic antibacterial agent.
As a further technical scheme: the mixing weight ratio of the silicon micropowder to the graphene is 2.
As a further technical scheme: the mass fraction of silicon dioxide in the silicon micro powder is 97-98%.
As a further technical scheme: the graphene is subjected to oxidation treatment:
firstly, adding nitric acid into deionized water, and stirring at the rotating speed of 100r/min for 10min to obtain a nitric acid solution;
adding graphene into a nitric acid solution, adjusting the temperature to 78 ℃, keeping the temperature, stirring for 40min, standing for 1 hour, performing suction filtration, washing with clear water to be neutral, and drying at 60 ℃ for 30min to obtain the graphene nano-composite material.
As a further technical scheme: the mass fraction of the nitric acid solution is 8-10%;
the mixing mass ratio of the graphene to the nitric acid solution is 1.
As a further technical scheme: the curing agent is diethylenetriamine.
As a further technical scheme: the preparation method of the graft polymer comprises the following steps:
(1) Firstly, sequentially adding rosin glyceride, ethylene propylene diene monomer and xylene into a reaction kettle, then adjusting the temperature in the reaction kettle to 112-115 ℃, preserving the temperature, and stirring at the rotating speed of 100r/min for 30min to obtain a mixed solution;
(2) Adding maleic anhydride and an initiator into xylene, and uniformly stirring to obtain a dispersion liquid;
(3) Dropwise adding the dispersion liquid prepared in the step (2) into the mixed liquid in the step (1) according to the mass ratio of 5;
(4) Adding absolute ethyl alcohol into the reaction liquid obtained in the step (3), stirring the sewage ethyl alcohol and the reaction liquid at a rotation speed of 500r/min for 30min according to the mixing mass ratio of 1;
(5) And (4) cleaning and drying the reactant obtained in the step (4) to obtain the graft polymer.
As a further technical scheme: the mixing mass ratio of the rosin glyceride, the ethylene propylene diene monomer and the xylene in the step (1) is 3;
in the step (2), the mixing mass ratio of maleic anhydride, initiator and xylene is 5;
the initiator is dicumyl peroxide.
As a further technical scheme: the inorganic antibacterial agent is nano titanium dioxide.
A preparation method of a double-coating powder coating comprises the following steps:
(1) Weighing epoxy resin KD2012H, ethyl triphenyl phosphonium bromide, stearic acid, silicon micropowder, graphene and a curing agent according to parts by weight, sequentially adding the epoxy resin KD2012H, the ethyl triphenyl phosphonium bromide, the stearic acid, the silicon micropowder, the graphene and the curing agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain powder of the inner layer;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of a first area is 120 ℃, the temperature of a second area is 125 ℃, the temperature of a third area is 125 ℃, the temperature of a fourth area is 120 ℃, the temperature of a fifth area is 120 ℃, and the temperature of a machine head is 122 ℃;
the rotating speed of the main machine of the double-helix extruder is 90r/min;
(2) Weighing polyester resin, pigment, calcium carbonate, graft polymer and inorganic antibacterial agent according to the weight parts, sequentially adding the polyester resin, the pigment, the calcium carbonate, the graft polymer and the inorganic antibacterial agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain surface layer powder;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first area is 145 ℃, the temperature of the second area is 145 ℃, the temperature of the third area is 150 ℃, the temperature of the fourth area is 155 ℃, the temperature of the fifth area is 150 ℃, and the temperature of the machine head is 145 ℃;
the main machine rotation speed of the double-screw extruder is 150r/min.
According to the invention, the inner layer and the surface layer are respectively prepared and combined to form the double-layer coating, so that the service life of the coating is greatly prolonged, and when the surface layer is greatly abraded, the base material is continuously protected through the inner layer, so that the protection time of the base material is prolonged.
In the surface powder coating, the graft polymer is introduced, and can be combined with polyester resin molecules in a powder coating system to react to form a stable network structure, so that the stability of the formed coating is greatly improved, particularly the corrosion resistance is obviously improved, and the stability of chemical bonds is improved through the combination of the graft polymer and the polyester resin molecules, so that the corrosion action of chemicals on the coating can be better avoided, and the prepared coating can be applied in the chemical field.
By introducing a certain amount of inorganic antibacterial agent nano titanium dioxide into the surface layer powder coating, the antibacterial performance of the surface layer can be greatly improved, and the antibacterial rate to escherichia coli, golden yellow grape clear and the like is over 99%.
By adopting the epoxy resin as the matrix resin in the lining, the bearing effect of the lining on the surface layer can be obviously improved, and meanwhile, the epoxy resin can react with the base material to form a chemical bond, so that the adhesive force of the epoxy resin is greatly improved.
Advantageous effects
According to the double-coating powder coating prepared by the invention, the service life of the coating can be obviously prolonged by adopting the double coating, the surface layer and the base material can be better and tightly combined by virtue of the characteristic that the inner layer has higher adhesive force, and the inner layer has relatively poorer corrosion resistance, so that the inner layer can be prevented from directly contacting with external corrosion factors by virtue of the covering of the surface layer, and the double coating can be better applied to various environments by virtue of the higher corrosion resistance of the surface layer.
Drawings
FIG. 1 is a bar graph of the flexural strength of examples and comparative examples.
Detailed Description
The following will clearly and completely describe the technical solutions of 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 embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
A double-coating powder coating is formed by combining an inner layer and a surface layer, wherein the surface layer is arranged on the surface of a base material, and the inner layer is covered on the surface of the surface layer;
the inner layer is prepared from the following components in parts by weight: the coating comprises the following components, by weight, 65 parts of epoxy resin KD2012H, 1 part of ethyl triphenyl phosphonium bromide, 2 parts of stearic acid, 2 parts of silica powder, 1 part of graphene and 6 parts of a curing agent;
the surface layer is prepared from the following components in parts by weight: 50 parts of polyester resin, 1 part of pigment, 12 parts of calcium carbonate, 10 parts of graft polymer and 1 part of inorganic antibacterial agent.
The mixing weight ratio of the silicon micropowder to the graphene is 2.
The mass fraction of silicon dioxide in the silicon micro powder is 97%.
The graphene is subjected to oxidation treatment:
firstly, adding nitric acid into deionized water, and stirring at the rotating speed of 100r/min for 10min to obtain a nitric acid solution;
adding graphene into a nitric acid solution, adjusting the temperature to 78 ℃, keeping the temperature, stirring for 40min, standing for 1 hour, performing suction filtration, washing to be neutral by using clear water, and performing drying treatment at the temperature of 60 ℃ for 30 min.
The mass fraction of the nitric acid solution is 8%;
the mixing mass ratio of the graphene to the nitric acid solution is 1.
The curing agent is diethylenetriamine.
The preparation method of the graft polymer comprises the following steps:
(1) Firstly, sequentially adding rosin glyceride, ethylene propylene diene monomer and xylene into a reaction kettle, then adjusting the temperature in the reaction kettle to 112 ℃, preserving the temperature, and stirring at the rotating speed of 100r/min for 30min to obtain a mixed solution;
(2) Adding maleic anhydride and an initiator into dimethylbenzene, and uniformly stirring to obtain a dispersion liquid;
(3) Dropwise adding the dispersion liquid prepared in the step (2) into the mixed liquid in the step (1) according to the mass ratio of 5;
(4) Adding absolute ethyl alcohol into the reaction liquid obtained in the step (3), stirring the sewage ethyl alcohol and the reaction liquid at a rotation speed of 500r/min for 30min according to the mixing mass ratio of 1;
(5) And (4) cleaning and drying the reactant obtained in the step (4) to obtain the graft polymer.
The mixing mass ratio of the rosin glyceride, the ethylene propylene diene monomer and the xylene in the step (1) is 3;
in the step (2), the mixing mass ratio of maleic anhydride, initiator and xylene is 5;
the initiator is dicumyl peroxide.
The inorganic antibacterial agent is nano titanium dioxide.
A preparation method of a double-coating powder coating comprises the following steps:
(1) Weighing epoxy resin KD2012H, ethyl triphenyl phosphonium bromide, stearic acid, silicon micropowder, graphene and a curing agent according to parts by weight, sequentially adding the epoxy resin KD2012H, the ethyl triphenyl phosphonium bromide, the stearic acid, the silicon micropowder, the graphene and the curing agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain powder of the inner layer;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of a first area is 120 ℃, the temperature of a second area is 125 ℃, the temperature of a third area is 125 ℃, the temperature of a fourth area is 120 ℃, the temperature of a fifth area is 120 ℃, and the temperature of a machine head is 122 ℃;
the rotating speed of the main machine of the double-helix extruder is 90r/min;
(2) Weighing polyester resin, pigment, calcium carbonate, graft polymer and inorganic antibacterial agent according to the weight parts, sequentially adding the polyester resin, the pigment, the calcium carbonate, the graft polymer and the inorganic antibacterial agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain surface layer powder;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first zone is 145 ℃, the temperature of the second zone is 145 ℃, the temperature of the third zone is 150 ℃, the temperature of the fourth zone is 155 ℃, the temperature of the fifth zone is 150 ℃, and the temperature of a machine head is 145 ℃;
the main machine rotation speed of the double-screw extruder is 150r/min.
Example 2
A double-coating powder coating is formed by combining an inner layer and a surface layer, wherein the surface layer is arranged on the surface of a base material, and the inner layer covers the surface of the surface layer;
the inner layer is prepared from the following components in parts by weight: the coating comprises epoxy resin KD2012H 66 parts, ethyl triphenyl phosphonium bromide 2 parts, stearic acid 2.1 parts, silica powder 3 parts, graphene 1.5 parts and curing agent 6.2 parts;
the surface layer is prepared from the following components in parts by weight: 52 parts of polyester resin, 2 parts of pigment, 13 parts of calcium carbonate, 12 parts of graft polymer and 1.2 parts of inorganic antibacterial agent.
The mixing weight ratio of the silicon micropowder to the graphene is 2.
The mass fraction of silicon dioxide in the silicon micro powder is 97.5%.
The graphene is subjected to oxidation treatment:
firstly, adding nitric acid into deionized water, and stirring at the rotating speed of 100r/min for 10min to obtain a nitric acid solution;
adding graphene into a nitric acid solution, adjusting the temperature to 78 ℃, keeping the temperature, stirring for 40min, standing for 1 hour, performing suction filtration, washing with clear water to be neutral, and drying at 60 ℃ for 30min to obtain the graphene nano-composite material.
The mass fraction of the nitric acid solution is 8.2%;
the mixing mass ratio of the graphene to the nitric acid solution is 1.
The curing agent is diethylenetriamine.
The preparation method of the graft polymer comprises the following steps:
(1) Firstly, sequentially adding rosin glyceride, ethylene propylene diene monomer and xylene into a reaction kettle, then adjusting the temperature in the reaction kettle to 113 ℃, preserving the temperature, and stirring at the rotating speed of 100r/min for 30min to obtain a mixed solution;
(2) Adding maleic anhydride and an initiator into xylene, and uniformly stirring to obtain a dispersion liquid;
(3) Dropwise adding the dispersion liquid prepared in the step (2) into the mixed liquid in the step (1) according to the mass ratio of 5.1, introducing nitrogen, discharging air in the reaction kettle, stirring at the rotating speed of 150r/min for 2 hours, naturally cooling, and standing for 1 hour to obtain a reaction liquid;
(4) Adding absolute ethyl alcohol into the reaction liquid obtained in the step (3), stirring the sewage ethyl alcohol and the reaction liquid at a rotation speed of 500r/min for 30min according to the mixing mass ratio of 1;
(5) And (5) cleaning and drying the reactant obtained in the step (4) to obtain the graft polymer.
The mixing mass ratio of the rosin glyceride, the ethylene propylene diene monomer and the xylene in the step (1) is 3;
in the step (2), the mixing mass ratio of maleic anhydride, initiator and xylene is 5;
the initiator is dicumyl peroxide.
The inorganic antibacterial agent is nano titanium dioxide.
A preparation method of a double-coating powder coating comprises the following steps:
(1) Weighing epoxy resin KD2012H, ethyl triphenyl phosphonium bromide, stearic acid, silicon micropowder, graphene and a curing agent according to parts by weight, sequentially adding the epoxy resin KD2012H, the ethyl triphenyl phosphonium bromide, the stearic acid, the silicon micropowder, the graphene and the curing agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain powder of the inner layer;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of a first area is 120 ℃, the temperature of a second area is 125 ℃, the temperature of a third area is 125 ℃, the temperature of a fourth area is 120 ℃, the temperature of a fifth area is 120 ℃, and the temperature of a machine head is 122 ℃;
the rotating speed of the main machine of the double-helix extruder is 90r/min;
(2) Weighing polyester resin, pigment, calcium carbonate, graft polymer and inorganic antibacterial agent according to the weight parts, sequentially adding the polyester resin, the pigment, the calcium carbonate, the graft polymer and the inorganic antibacterial agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain surface layer powder;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first area is 145 ℃, the temperature of the second area is 145 ℃, the temperature of the third area is 150 ℃, the temperature of the fourth area is 155 ℃, the temperature of the fifth area is 150 ℃, and the temperature of the machine head is 145 ℃;
the main machine rotation speed of the double-screw extruder is 150r/min.
Example 3
A double-coating powder coating is formed by combining an inner layer and a surface layer, wherein the surface layer is arranged on the surface of a base material, and the inner layer covers the surface of the surface layer;
the inner layer is prepared from the following components in parts by weight: the coating comprises the following components, by weight, 68 parts of epoxy resin KD2012H, 2 parts of ethyl triphenyl phosphonium bromide, 2.5 parts of stearic acid, 3 parts of silica powder, 1.5 parts of graphene and 6.4 parts of a curing agent;
the surface layer is prepared from the following components in parts by weight: 58 parts of polyester resin, 3 parts of pigment, 18 parts of calcium carbonate, 15 parts of graft polymer and 1.2 parts of inorganic antibacterial agent.
The mixing weight ratio of the silicon micropowder to the graphene is 2.
The mass fraction of silicon dioxide in the silicon micro powder is 97.8%.
The graphene is subjected to oxidation treatment:
firstly, adding nitric acid into deionized water, and stirring at the rotating speed of 100r/min for 10min to obtain a nitric acid solution;
adding graphene into a nitric acid solution, adjusting the temperature to 78 ℃, keeping the temperature, stirring for 40min, standing for 1 hour, performing suction filtration, washing with clear water to be neutral, and drying at 60 ℃ for 30min to obtain the graphene nano-composite material.
The mass fraction of the nitric acid solution is 9 percent;
the mixing mass ratio of the graphene to the nitric acid solution is 1.
The curing agent is diethylenetriamine.
The preparation method of the graft polymer comprises the following steps:
(1) Firstly, sequentially adding rosin glyceride, ethylene propylene diene monomer and xylene into a reaction kettle, then adjusting the temperature in the reaction kettle to 113 ℃, preserving the temperature, and stirring at a rotating speed of 100r/min for 30min to obtain a mixed solution;
(2) Adding maleic anhydride and an initiator into xylene, and uniformly stirring to obtain a dispersion liquid;
(3) Dropwise adding the dispersion liquid prepared in the step (2) into the mixed liquid in the step (1) according to the mass ratio of 5:2.4, introducing nitrogen, discharging air in the reaction kettle, stirring at the rotating speed of 150r/min for 2 hours, naturally cooling, and standing for 1 hour to obtain a reaction liquid;
(4) Adding absolute ethyl alcohol into the reaction liquid obtained in the step (3), stirring the sewage ethyl alcohol and the reaction liquid at a rotation speed of 500r/min for 30min according to the mixing mass ratio of 1;
(5) And (5) cleaning and drying the reactant obtained in the step (4) to obtain the graft polymer.
The mixing mass ratio of the rosin glyceride, the ethylene propylene diene monomer and the xylene in the step (1) is 3;
in the step (2), the mixing mass ratio of maleic anhydride, initiator and xylene is 5;
the initiator is dicumyl peroxide.
The inorganic antibacterial agent is nano titanium dioxide.
A preparation method of a double-coating powder coating comprises the following steps:
(1) Weighing epoxy resin KD2012H, ethyl triphenyl phosphonium bromide, stearic acid, silicon micropowder, graphene and a curing agent according to parts by weight, sequentially adding the epoxy resin KD2012H, the ethyl triphenyl phosphonium bromide, the stearic acid, the silicon micropowder, the graphene and the curing agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain powder of the inner layer;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of a first area is 120 ℃, the temperature of a second area is 125 ℃, the temperature of a third area is 125 ℃, the temperature of a fourth area is 120 ℃, the temperature of a fifth area is 120 ℃, and the temperature of a machine head is 122 ℃;
the rotating speed of the main machine of the double-helix extruder is 90r/min;
(2) Weighing polyester resin, pigment, calcium carbonate, graft polymer and inorganic antibacterial agent according to the weight parts, sequentially adding the polyester resin, the pigment, the calcium carbonate, the graft polymer and the inorganic antibacterial agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain surface layer powder;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first area is 145 ℃, the temperature of the second area is 145 ℃, the temperature of the third area is 150 ℃, the temperature of the fourth area is 155 ℃, the temperature of the fifth area is 150 ℃, and the temperature of the machine head is 145 ℃;
the main machine rotation speed of the double-screw extruder is 150r/min.
Example 4
A double-coating powder coating is formed by combining an inner layer and a surface layer, wherein the surface layer is arranged on the surface of a base material, and the inner layer covers the surface of the surface layer;
the inner layer is prepared from the following components in parts by weight: epoxy resin KD2012H 70 parts, ethyl triphenyl phosphonium bromide 3 parts, stearic acid 2.8 parts, silica powder 4 parts, graphene 2 parts and curing agent 7 parts;
the surface layer is prepared from the following components in parts by weight: 65 parts of polyester resin, 4 parts of pigment, 20 parts of calcium carbonate, 18 parts of graft polymer and 1.5 parts of inorganic antibacterial agent.
The mixing weight ratio of the silicon micropowder to the graphene is 2.
The mass fraction of silicon dioxide in the silicon micro powder is 98%.
The graphene is subjected to oxidation treatment:
firstly, adding nitric acid into deionized water, and stirring at the rotating speed of 100r/min for 10min to obtain a nitric acid solution;
adding graphene into a nitric acid solution, adjusting the temperature to 78 ℃, keeping the temperature, stirring for 40min, standing for 1 hour, performing suction filtration, washing with clear water to be neutral, and drying at 60 ℃ for 30min to obtain the graphene nano-composite material.
The mass fraction of the nitric acid solution is 10 percent;
the mixing mass ratio of the graphene to the nitric acid solution is 1.
The curing agent is diethylenetriamine.
The preparation method of the graft polymer comprises the following steps:
(1) Firstly, sequentially adding rosin glyceride, ethylene propylene diene monomer and xylene into a reaction kettle, then adjusting the temperature in the reaction kettle to 115 ℃, preserving the temperature, and stirring at the rotating speed of 100r/min for 30min to obtain a mixed solution;
(2) Adding maleic anhydride and an initiator into xylene, and uniformly stirring to obtain a dispersion liquid;
(3) Dropwise adding the dispersion liquid prepared in the step (2) into the mixed liquid in the step (1) according to the mass ratio of 5;
(4) Adding absolute ethyl alcohol into the reaction liquid obtained in the step (3), stirring the sewage ethyl alcohol and the reaction liquid at a rotation speed of 500r/min for 30min according to the mixing mass ratio of 1;
(5) And (4) cleaning and drying the reactant obtained in the step (4) to obtain the graft polymer.
The mixing mass ratio of the rosin glyceride, the ethylene propylene diene monomer and the xylene in the step (1) is 3;
in the step (2), the mixing mass ratio of maleic anhydride, initiator and xylene is 5;
the initiator is dicumyl peroxide.
The inorganic antibacterial agent is nano titanium dioxide.
A preparation method of a double-coating powder coating comprises the following steps:
(1) Weighing epoxy resin KD2012H, ethyl triphenyl phosphonium bromide, stearic acid, silicon micropowder, graphene and a curing agent according to parts by weight, sequentially adding the epoxy resin KD2012H, the ethyl triphenyl phosphonium bromide, the stearic acid, the silicon micropowder, the graphene and the curing agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain powder of the inner layer;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first area is 120 ℃, the temperature of the second area is 125 ℃, the temperature of the third area is 125 ℃, the temperature of the fourth area is 120 ℃, the temperature of the fifth area is 120 ℃, and the temperature of the machine head is 122 ℃;
the rotating speed of the main machine of the double-helix extruder is 90r/min;
(2) Weighing polyester resin, pigment, calcium carbonate, graft polymer and inorganic antibacterial agent according to the weight parts, sequentially adding the polyester resin, the pigment, the calcium carbonate, the graft polymer and the inorganic antibacterial agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain surface layer powder;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first area is 145 ℃, the temperature of the second area is 145 ℃, the temperature of the third area is 150 ℃, the temperature of the fourth area is 155 ℃, the temperature of the fifth area is 150 ℃, and the temperature of the machine head is 145 ℃;
the main machine rotation speed of the double-screw extruder is 150r/min.
Comparative example 1: in contrast to example 1, no graft polymer was added.
Comparative example 2: the difference from example 1 is that the graft polymer is replaced by ethylene-propylene-diene rubber.
Test of
The chemical corrosion resistance of the powder coatings on the surface layers of the examples and the comparative examples is detected; chemical corrosion resistance: measured according to GB/T18593-2001;
TABLE 1
| Resistance to corrosion by chemicals | |
| Example 1 | No bubbling and cracking of the coating |
| Example 2 | No bubbling and cracking of the coating |
| Example 3 | No blistering and cracking of the coating |
| Example 4 | No blistering and cracking of the coating |
| Comparative example 1 | Blistering and cracking of the coating |
| Comparative example 2 | Blistering and cracking of the coating |
As can be seen from Table 1, the surface coating prepared by the invention has excellent corrosion resistance after being cured, and especially the chemical corrosion resistance is obviously improved.
The following tests were carried out on the two-layer coating after the combination of the inner layer and the surface layer coatings of the examples and comparative examples:
bending strength: testing according to the GB/T6742-1986 assay;
TABLE 2
| Flexural Strength/mm | |
| Example 1 | 4.3 |
| Example 2 | 4.6 |
| Example 3 | 4.5 |
| Example 4 | 4.2 |
| Comparative example 1 | 3.1 |
| Comparative example 2 | 3.2 |
As can be seen from Table 2, the double-layer coating formed by the powder coating prepared by the invention has excellent mechanical properties, and the mechanical properties of the coating can be effectively improved by introducing the graft polymer, especially the bending strength is obviously improved.
Carrying out performance detection on the powder coatings of the examples and the comparative examples;
and (3) adhesive force determination: determined according to the SY/T0315-2005 assay;
TABLE 3
| Adhesion/grade | |
| Example 1 | 1 |
| Example 2 | 1 |
| Example 3 | 1 |
| Example 4 | 1 |
| Comparative example 1 | 3 |
As can be seen from Table 3, the two-layer coating formed by curing the powder coating prepared by the invention has excellent adhesion and can be more firmly combined with the surface of the base material.
The examples and comparative examples are shown in FIG. 1 as a bar graph of flexural strength.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention is not limited to the illustrated embodiments, and all the modifications and equivalents of the embodiments may be made without departing from the spirit of the present invention.
Claims (10)
1. The double-coating powder coating is characterized by being formed by combining an inner layer and a surface layer, wherein the surface layer is arranged on the surface of a base material, and the inner layer is covered on the surface of the surface layer;
the inner layer is prepared from the following components in parts by weight: 65-70 parts of epoxy resin KD2012H, 1-3 parts of ethyl triphenyl phosphonium bromide, 2-2.8 parts of stearic acid, 2-4 parts of silica powder, 1-2 parts of graphene and 6-7 parts of curing agent;
the surface layer is prepared from the following components in parts by weight: 50-65 parts of polyester resin, 1-4 parts of pigment, 12-20 parts of calcium carbonate, 10-18 parts of graft polymer and 1-1.5 parts of inorganic antibacterial agent.
2. A dual coat powder coating as claimed in claim 1, wherein: the mixing weight ratio of the silicon micropowder to the graphene is 2.
3. A dual coat powder coating as claimed in claim 2, wherein: the mass fraction of silicon dioxide in the silicon micro powder is 97-98%.
4. A dual coat powder coating as claimed in claim 2, wherein: the graphene is subjected to oxidation treatment:
firstly, adding nitric acid into deionized water, and stirring at the rotating speed of 100r/min for 10min to obtain a nitric acid solution;
adding graphene into a nitric acid solution, adjusting the temperature to 78 ℃, keeping the temperature and stirring for 40min, standing for 1 h, performing suction filtration, washing with clear water to be neutral, and drying at 60 ℃ for 30 min.
5. A double-coated powder coating according to claim 4, characterized in that: the mass fraction of the nitric acid solution is 8-10%;
the mixing mass ratio of the graphene to the nitric acid solution is 1.
6. A two-coat powder coating according to claim 1, characterized in that: the curing agent is diethylenetriamine.
7. A dual coat powder coating as claimed in claim 1, wherein: the preparation method of the graft polymer comprises the following steps:
(1) Firstly, sequentially adding rosin glyceride, ethylene propylene diene monomer and xylene into a reaction kettle, then adjusting the temperature in the reaction kettle to 112-115 ℃, preserving the temperature, and stirring at the rotating speed of 100r/min for 30min to obtain a mixed solution;
(2) Adding maleic anhydride and an initiator into dimethylbenzene, and uniformly stirring to obtain a dispersion liquid;
(3) Dropwise adding the dispersion liquid prepared in the step (2) into the mixed liquid in the step (1) according to the mass ratio of 5;
(4) Adding absolute ethyl alcohol into the reaction liquid obtained in the step (3), wherein the mixing mass ratio of the sewage ethyl alcohol to the reaction liquid is 1;
(5) And (4) cleaning and drying the reactant obtained in the step (4) to obtain the graft polymer.
8. A dual coat powder coating as claimed in claim 7, wherein: the mixing mass ratio of the rosin glyceride, the ethylene propylene diene monomer and the xylene in the step (1) is 3;
in the step (2), the mixing mass ratio of maleic anhydride, initiator and xylene is 5;
the initiator is dicumyl peroxide.
9. A dual coat powder coating as claimed in claim 1, wherein: the inorganic antibacterial agent is nano titanium dioxide.
10. A process for the preparation of a double-coated powder coating according to any one of claims 1 or 9, characterized in that: the method comprises the following steps:
(1) Weighing epoxy resin KD2012H, ethyl triphenyl phosphonium bromide, stearic acid, silicon micropowder, graphene and a curing agent according to parts by weight, sequentially adding the epoxy resin KD2012H, the ethyl triphenyl phosphonium bromide, the stearic acid, the silicon micropowder, the graphene and the curing agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain powder of the inner layer;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of a first area is 120 ℃, the temperature of a second area is 125 ℃, the temperature of a third area is 125 ℃, the temperature of a fourth area is 120 ℃, the temperature of a fifth area is 120 ℃, and the temperature of a machine head is 122 ℃;
the rotating speed of the main machine of the double-helix extruder is 90r/min;
(2) Weighing polyester resin, pigment, calcium carbonate, graft polymer and inorganic antibacterial agent according to the weight parts, sequentially adding the polyester resin, the pigment, the calcium carbonate, the graft polymer and the inorganic antibacterial agent into a high-speed mixer for mixing, then adding the mixture into a double-screw extruder for melt extrusion, then slicing, crushing, grinding and sieving to obtain surface layer powder;
wherein the temperature of each zone of the double-screw extruder is set as follows: the temperature of the first area is 145 ℃, the temperature of the second area is 145 ℃, the temperature of the third area is 150 ℃, the temperature of the fourth area is 155 ℃, the temperature of the fifth area is 150 ℃, and the temperature of the machine head is 145 ℃;
the rotating speed of the main machine of the double-screw extruder is 150r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211586170.3A CN115975471B (en) | 2022-12-09 | 2022-12-09 | Double-coating powder coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211586170.3A CN115975471B (en) | 2022-12-09 | 2022-12-09 | Double-coating powder coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115975471A true CN115975471A (en) | 2023-04-18 |
| CN115975471B CN115975471B (en) | 2023-08-08 |
Family
ID=85957204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211586170.3A Active CN115975471B (en) | 2022-12-09 | 2022-12-09 | Double-coating powder coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115975471B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7921668A0 (en) * | 1978-04-07 | 1979-04-06 | Tokyo Giappone | POWDER COATING COMPOSITION MADE UP OF A MIXTURE OF ETHYLENE RESINS AND A HYDROCARBON WAX. |
| JPH07238255A (en) * | 1994-02-28 | 1995-09-12 | Dainippon Ink & Chem Inc | Unsaturated polyester resin composition for electrostatic coating, coating material, and method for coating |
| WO1999055793A1 (en) * | 1998-04-23 | 1999-11-04 | Advanced Elastomer Systems, L.P. | Metal reinforced thermoplastic elastomers |
| CN1407010A (en) * | 2001-09-03 | 2003-04-02 | 可乐丽股份有限公司 | Ethene-ethenol multipolymer composition and powder coating used it thereof |
| WO2006058270A1 (en) * | 2004-11-24 | 2006-06-01 | E.I. Dupont De Nemours And Company | Coated pipes for harsh environments |
| CN101928503A (en) * | 2009-06-19 | 2010-12-29 | 扬州市金晨化工有限公司 | Anti-corrosion and super-weatherability powder coating and preparation process thereof |
| CN103045111A (en) * | 2012-12-25 | 2013-04-17 | 广州鹿山新材料股份有限公司 | Polyester hot melt adhesive for bonding polar polymer with metal |
| CN103923403A (en) * | 2014-05-10 | 2014-07-16 | 任新年 | Zero-halogen low-smoke and flame-retardant rubber for electric wires and cables and preparing method for zero-halogen low-smoke and flame-retardant rubber |
| CN104140741A (en) * | 2014-08-01 | 2014-11-12 | 立邦涂料（天津）有限公司 | Novel double-layer coating system and preparation method and application thereof |
| WO2016047833A1 (en) * | 2014-09-28 | 2016-03-31 | (주)투에이취켐 | Powder coating for steel pipe coating, coated steel pipe, and steel pipe coating method |
| CN108467685A (en) * | 2018-03-29 | 2018-08-31 | 重庆渝茁科技有限公司 | Vehicle polyester resin cellular board material |
| CN108912535A (en) * | 2018-06-19 | 2018-11-30 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of cold-resistant stretch-proof wind energy cable sheath material |
| CN110424210A (en) * | 2019-07-12 | 2019-11-08 | 安徽绿谷新材料有限公司 | A kind of plastic cement race track and its processing method of UV resistant |
| CN111393961A (en) * | 2020-06-05 | 2020-07-10 | 广东睿智环保科技有限责任公司 | Thermosetting thermoplastic amphoteric powder coating and preparation method thereof |
| CN113412303A (en) * | 2018-12-21 | 2021-09-17 | 霍尼韦尔国际公司 | Articles comprising water-based topcoats |
| CN115386282A (en) * | 2022-10-07 | 2022-11-25 | 浙江绿环新材料科技有限公司 | Efficient anticorrosive powder coating and preparation method thereof |
-
2022
- 2022-12-09 CN CN202211586170.3A patent/CN115975471B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7921668A0 (en) * | 1978-04-07 | 1979-04-06 | Tokyo Giappone | POWDER COATING COMPOSITION MADE UP OF A MIXTURE OF ETHYLENE RESINS AND A HYDROCARBON WAX. |
| JPH07238255A (en) * | 1994-02-28 | 1995-09-12 | Dainippon Ink & Chem Inc | Unsaturated polyester resin composition for electrostatic coating, coating material, and method for coating |
| WO1999055793A1 (en) * | 1998-04-23 | 1999-11-04 | Advanced Elastomer Systems, L.P. | Metal reinforced thermoplastic elastomers |
| CN1407010A (en) * | 2001-09-03 | 2003-04-02 | 可乐丽股份有限公司 | Ethene-ethenol multipolymer composition and powder coating used it thereof |
| WO2006058270A1 (en) * | 2004-11-24 | 2006-06-01 | E.I. Dupont De Nemours And Company | Coated pipes for harsh environments |
| CN101928503A (en) * | 2009-06-19 | 2010-12-29 | 扬州市金晨化工有限公司 | Anti-corrosion and super-weatherability powder coating and preparation process thereof |
| CN103045111A (en) * | 2012-12-25 | 2013-04-17 | 广州鹿山新材料股份有限公司 | Polyester hot melt adhesive for bonding polar polymer with metal |
| CN103923403A (en) * | 2014-05-10 | 2014-07-16 | 任新年 | Zero-halogen low-smoke and flame-retardant rubber for electric wires and cables and preparing method for zero-halogen low-smoke and flame-retardant rubber |
| CN104140741A (en) * | 2014-08-01 | 2014-11-12 | 立邦涂料（天津）有限公司 | Novel double-layer coating system and preparation method and application thereof |
| WO2016047833A1 (en) * | 2014-09-28 | 2016-03-31 | (주)투에이취켐 | Powder coating for steel pipe coating, coated steel pipe, and steel pipe coating method |
| CN108467685A (en) * | 2018-03-29 | 2018-08-31 | 重庆渝茁科技有限公司 | Vehicle polyester resin cellular board material |
| CN108912535A (en) * | 2018-06-19 | 2018-11-30 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of cold-resistant stretch-proof wind energy cable sheath material |
| CN113412303A (en) * | 2018-12-21 | 2021-09-17 | 霍尼韦尔国际公司 | Articles comprising water-based topcoats |
| CN110424210A (en) * | 2019-07-12 | 2019-11-08 | 安徽绿谷新材料有限公司 | A kind of plastic cement race track and its processing method of UV resistant |
| CN111393961A (en) * | 2020-06-05 | 2020-07-10 | 广东睿智环保科技有限责任公司 | Thermosetting thermoplastic amphoteric powder coating and preparation method thereof |
| CN115386282A (en) * | 2022-10-07 | 2022-11-25 | 浙江绿环新材料科技有限公司 | Efficient anticorrosive powder coating and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 卢云丽;张小红;王坤;艾江;康永;: "玻璃纤维增强耐高温液晶聚酯的增韧改性研究", 橡塑技术与装备, no. 04, pages 17 - 21 * |
| 张泗文: "低毒高效粘合剂用CR及其胶乳的发展", 合成橡胶工业, no. 06, pages 41 - 46 * |
| 张通;马国章;吴建兵;侯彩英;王宝俊;: "顺丁烯二酸酐-桐油-松香甘油酯的合成及性能研究", 中国胶粘剂, no. 11, pages 22 - 25 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115975471B (en) | 2023-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110964416B (en) | Weather-resistant wear-resistant polyester resin, powder coating and preparation method thereof | |
| CN101302731B (en) | Method for preparing organosilicon modified paper sheet humidifying strong agent | |
| CN103694861B (en) | Dual modified, dual cure epoxy acrylate coating | |
| US11731333B2 (en) | Wood-plastic coated metal composite profile and process for producing the same | |
| CN110885458B (en) | Polymer wax powder with self-repairing function and preparation method thereof | |
| CN107083176A (en) | A kind of polyurethane mirror surface coating and preparation method thereof | |
| KR101721908B1 (en) | Polyurea waterproof agent and manufacturing method | |
| CN101792641B (en) | Environment-friendly adhesive for quickly adhering aluminum alloy and PVC thin film, preparation and application thereof | |
| EP3894457B1 (en) | Fusion bonded epoxy amine rebar powder coatings | |
| CN111393966A (en) | Solvent-free silane-terminated modified polyether three-proofing paint and preparation method thereof | |
| CN115975471A (en) | Double-coating powder coating and preparation method thereof | |
| CN109096945B (en) | Tackifier applied to silicone sealant and preparation method thereof | |
| CN113652168A (en) | Anti-aging polyethylene pipe and preparation method thereof | |
| CN116476496B (en) | High-barrier crease-resistant PP (Polypropylene) isolating film | |
| CN110003416B (en) | Emulsifiable isocyanate, preparation method and emulsification method thereof | |
| CN115011265B (en) | Tearing-resistant color-changing film and preparation method thereof | |
| CN116218337A (en) | Production and application of non-cured rubber waterproof paint capable of preventing heating from overflowing barrel | |
| CN112210277A (en) | Polyurea composite layer tensile waterproof coating | |
| JPH03202556A (en) | Coated woody board for concrete form and manufacture thereof | |
| CN101643322B (en) | Vinyl ester heavy-duty anticorrosive coating with polyaniline-modified glass flakes, and preparation method thereof | |
| CN116589808B (en) | Flake graphite fluorocarbon film, self-adhesive waterproof coiled material and preparation method | |
| CN107828349B (en) | A kind of preparation method of composite type self-adhesion waterproof roll | |
| CN117467315B (en) | Fluorocarbon weather-resistant resin powder coating and preparation method thereof | |
| CN114571629B (en) | Rust-proof corrosion-resistant bottle cap for vinegar beverage and processing technology thereof | |
| Farajpour et al. | Improvement in adhesion between ethylene–propylene–diene terpolymer (EPDM)-based elastomer and polyurethane coating using epoxy–polysulfide copolymer as adhesion promoter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |