CN117285851B - Transfer powder coating and preparation method thereof - Google Patents
Transfer powder coating and preparation method thereof Download PDFInfo
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- CN117285851B CN117285851B CN202311576278.9A CN202311576278A CN117285851B CN 117285851 B CN117285851 B CN 117285851B CN 202311576278 A CN202311576278 A CN 202311576278A CN 117285851 B CN117285851 B CN 117285851B
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- 238000000576 coating method Methods 0.000 title claims abstract description 39
- 239000011248 coating agent Substances 0.000 title claims abstract description 37
- 239000000843 powder Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 65
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 59
- 239000003607 modifier Substances 0.000 claims abstract description 55
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003063 flame retardant Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 28
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000049 pigment Substances 0.000 claims abstract description 24
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 18
- 229920001225 polyester resin Polymers 0.000 claims abstract description 18
- 239000004645 polyester resin Substances 0.000 claims abstract description 18
- 239000003822 epoxy resin Substances 0.000 claims abstract description 12
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 44
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 claims description 32
- 238000001035 drying Methods 0.000 claims description 30
- 238000005406 washing Methods 0.000 claims description 24
- 239000005543 nano-size silicon particle Substances 0.000 claims description 22
- 235000012239 silicon dioxide Nutrition 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 20
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 18
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 12
- 239000001509 sodium citrate Substances 0.000 claims description 12
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 12
- 238000009210 therapy by ultrasound Methods 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical compound BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 claims description 6
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 6
- 239000007853 buffer solution Substances 0.000 claims description 6
- 229940044175 cobalt sulfate Drugs 0.000 claims description 6
- 229910000361 cobalt sulfate Inorganic materials 0.000 claims description 6
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- -1 dodecadiacid Substances 0.000 claims description 6
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 6
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 claims description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 6
- 239000008055 phosphate buffer solution Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 4
- 238000010023 transfer printing Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to the technical field of coatings, and in particular discloses a transfer powder coating and a preparation method thereof, wherein the transfer powder coating comprises the following raw materials in parts by weight: 30-35 parts of bisphenol A type epoxy resin, 20-25 parts of carboxyl polyester resin, 4-8 parts of dodecadiacid, 4-7 parts of flame retardant, 8-12 parts of modifier doped with flaky graphene, 4-7 parts of coordination modifier and 3-6 parts of pigment. The transfer powder coating adopts bisphenol A type epoxy resin and carboxyl polyester resin as matrixes, and the functional effect of a product system is improved by adding the flame retardant, the dodecadiacid and the pigment for blending, and simultaneously, the added modifier doped with the flaky graphene and the added harmonizing agent are coordinated and cooperate together, so that the flame retardant property and the wear resistance of the product are improved in a coordinated manner, and the service efficiency of the product is improved.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a transfer powder coating and a preparation method thereof.
Background
The transfer powder coating has realistic grain effects such as wood grains, stone grains and the like, and can provide various colors, luster, surfaces and grain effects according to the requirements of customers; the method is widely applied to the fields of buildings, doors and windows, home decoration, hardware, home appliances and the like. The existing transfer powder coating is prepared from raw materials such as resin, curing agent and the like, the flame retardant property of the product is poor, meanwhile, the wear resistance is general, the coordination improvement of the flame retardant property and the wear resistance of the product is difficult to realize, and the service efficiency of the product is limited.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art and provides a transfer powder coating and a preparation method thereof, so as to solve the problems in the prior art.
The invention solves the technical problems by adopting the following technical scheme:
the invention provides a transfer printing powder coating which comprises the following raw materials in parts by weight:
30-35 parts of bisphenol A type epoxy resin, 20-25 parts of carboxyl polyester resin, 4-8 parts of dodecadiacid, 4-7 parts of flame retardant, 8-12 parts of modifier doped with flaky graphene, 4-7 parts of coordination modifier and 3-6 parts of pigment.
Preferably, the transfer powder coating comprises the following raw materials in parts by weight:
32.5 parts of bisphenol A type epoxy resin, 22.5 parts of carboxyl polyester resin, 6 parts of dodecadiacid, 5.5 parts of flame retardant, 10 parts of modifier doped with lamellar graphene, 5.5 parts of coordination modifier and 4.5 parts of pigment.
Preferably, the pigment is one of iron oxide red, iron oxide yellow and carbon black; the flame retardant is prepared by mixing magnesium hydroxide and hexabromocyclododecane according to the weight ratio of 1:2.
Preferably, the preparation method of the modifier doped with the flaky graphene comprises the following steps:
s11: the aluminum borate whisker is prepared by the following steps of: 5 adding yttrium nitrate solution with the mass fraction of 5%, then adding sodium dodecyl benzene sulfonate with the total amount of 2-5% of aluminum borate whisker and a silane coupling agent KH560 with the total amount of 1-3% of aluminum borate whisker, stirring for reaction treatment, washing with water and drying to obtain a pretreated aluminum borate whisker agent;
s12: firstly placing the flaky graphene into a cobalt sulfate solution with the mass fraction of 5% and the total amount of 2-5 times of the flaky graphene, uniformly stirring, and after the stirring is finished, carrying out suction filtration and drying to obtain a flaky graphene agent;
s13: adding 4-7 parts of flaky graphene agent and 2-5 parts of phosphoric acid buffer solution into 10-15 parts of sodium citrate solution, then adding 2-4 parts of pretreated aluminum borate whisker agent and 1-3 parts of nano silica sol, stirring thoroughly, washing with water and drying to obtain the modifier doped with flaky graphene.
Preferably, the conditions for the stirring reaction treatment in S11 are: stirring at a speed of 450-550r/min for 1-2h.
Preferably, the pH of the phosphate buffer solution is 5.0; the mass fraction of the sodium citrate solution is 12-15%.
Preferably, the preparation method of the coordination and blending agent comprises the following steps:
adding 3-5 parts of nano silicon dioxide and 1-3 parts of glycolic acid into 15-25 parts of 5% lanthanum chloride solution by mass percent, and uniformly dispersing to obtain nano silicon dioxide liquid;
placing 2-4 parts of hydroxyapatite in 15-25 parts of sodium lignin sulfonate solution, performing ultrasonic treatment, washing and drying after the treatment is finished to obtain a hydroxyapatite agent, stirring and mixing the hydroxyapatite agent and nano silicon dioxide solution according to a weight ratio of 2:7 fully, washing and drying to obtain the coordination and tempering agent.
Preferably, the ultrasonic power of the ultrasonic treatment is 350-400W, and the ultrasonic time is 20-30min.
Preferably, the sodium lignin sulfonate solution is prepared by mixing and stirring sodium lignin sulfonate, deionized water and sodium hydroxide according to a weight ratio of 3:7:1.
The invention also provides a preparation method of the transfer powder coating, which comprises the following steps: bisphenol A epoxy resin, carboxyl polyester resin, dodecadiacid, flame retardant, modifier doped with flaky graphene, coordination modifier and pigment are stirred and mixed uniformly, and then extruded in a double-screw extruder, wherein the temperature of an extrusion I area is 100 ℃, and the temperature of an extrusion II area is 115 ℃; extruding, cooling and shaping, and crushing in a crusher to 100 meshes to obtain the transfer powder coating.
Compared with the prior art, the invention has the following beneficial effects:
the transfer powder coating adopts bisphenol A type epoxy resin and carboxyl polyester resin as matrixes, and the functional effect of a product system is improved by adding the flame retardant, the dodecadiacid and the pigment for blending, and simultaneously, the added modifier doped with the flaky graphene and the added harmonizing agent are coordinated and cooperate together, so that the flame retardant property and the wear resistance of the product are improved in a coordinated manner, and the service efficiency of the product is improved.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The transfer powder coating comprises the following raw materials in parts by weight:
30-35 parts of bisphenol A type epoxy resin, 20-25 parts of carboxyl polyester resin, 4-8 parts of dodecadiacid, 4-7 parts of flame retardant, 8-12 parts of modifier doped with flaky graphene, 4-7 parts of coordination modifier and 3-6 parts of pigment.
The transfer powder coating of the embodiment comprises the following raw materials in parts by weight:
32.5 parts of bisphenol A type epoxy resin, 22.5 parts of carboxyl polyester resin, 6 parts of dodecadiacid, 5.5 parts of flame retardant, 10 parts of modifier doped with lamellar graphene, 5.5 parts of coordination modifier and 4.5 parts of pigment.
The pigment of the embodiment is one of iron oxide red, iron oxide yellow and carbon black; the flame retardant is prepared by mixing magnesium hydroxide and hexabromocyclododecane according to the weight ratio of 1:2.
The preparation method of the modifier doped with the flaky graphene in the embodiment comprises the following steps:
s11: the aluminum borate whisker is prepared by the following steps of: 5 adding yttrium nitrate solution with the mass fraction of 5%, then adding sodium dodecyl benzene sulfonate with the total amount of 2-5% of aluminum borate whisker and a silane coupling agent KH560 with the total amount of 1-3% of aluminum borate whisker, stirring for reaction treatment, washing with water and drying to obtain a pretreated aluminum borate whisker agent;
s12: firstly placing the flaky graphene into a cobalt sulfate solution with the mass fraction of 5% and the total amount of 2-5 times of the flaky graphene, uniformly stirring, and after the stirring is finished, carrying out suction filtration and drying to obtain a flaky graphene agent;
s13: adding 4-7 parts of flaky graphene agent and 2-5 parts of phosphoric acid buffer solution into 10-15 parts of sodium citrate solution, then adding 2-4 parts of pretreated aluminum borate whisker agent and 1-3 parts of nano silica sol, stirring thoroughly, washing with water and drying to obtain the modifier doped with flaky graphene.
The conditions for the stirring reaction treatment in S11 of this example are: stirring at a speed of 450-550r/min for 1-2h.
The pH of the phosphate buffer solution of this example was 5.0; the mass fraction of the sodium citrate solution is 12-15%.
The preparation method of the coordination blending agent of the embodiment comprises the following steps:
adding 3-5 parts of nano silicon dioxide and 1-3 parts of glycolic acid into 15-25 parts of 5% lanthanum chloride solution by mass percent, and uniformly dispersing to obtain nano silicon dioxide liquid;
placing 2-4 parts of hydroxyapatite in 15-25 parts of sodium lignin sulfonate solution, performing ultrasonic treatment, washing and drying after the treatment is finished to obtain a hydroxyapatite agent, stirring and mixing the hydroxyapatite agent and nano silicon dioxide solution according to a weight ratio of 2:7 fully, washing and drying to obtain the coordination and tempering agent.
The ultrasonic power of the ultrasonic treatment of the embodiment is 350-400W, and the ultrasonic time is 20-30min.
The sodium lignin sulfonate solution of the embodiment is prepared by mixing and stirring sodium lignin sulfonate, deionized water and sodium hydroxide according to a weight ratio of 3:7:1.
The preparation method of the transfer powder coating comprises the following steps: bisphenol A epoxy resin, carboxyl polyester resin, dodecadiacid, flame retardant, modifier doped with flaky graphene, coordination modifier and pigment are stirred and mixed uniformly, and then extruded in a double-screw extruder, wherein the temperature of an extrusion I area is 100 ℃, and the temperature of an extrusion II area is 115 ℃; extruding, cooling and shaping, and crushing in a crusher to 100 meshes to obtain the transfer powder coating.
Example 1
The transfer powder coating comprises the following raw materials in parts by weight:
30 parts of bisphenol A type epoxy resin, 20 parts of carboxyl polyester resin, 4 parts of dodecadiacid, 4 parts of flame retardant, 8 parts of modifier doped with flaky graphene, 4 parts of coordination modifier and 3 parts of pigment.
The pigment of this example is iron oxide red; the flame retardant is prepared by mixing magnesium hydroxide and hexabromocyclododecane according to the weight ratio of 1:2.
The preparation method of the modifier doped with the flaky graphene in the embodiment comprises the following steps:
s11: the aluminum borate whisker is prepared by the following steps of: 5, adding yttrium nitrate solution with the mass fraction of 5%, then adding sodium dodecyl benzene sulfonate with the total amount of 2% of aluminum borate whisker and a silane coupling agent KH560 with the total amount of 1% of aluminum borate whisker, stirring for reaction treatment, washing with water and drying to obtain a pretreated aluminum borate whisker agent;
s12: firstly placing the flaky graphene into a cobalt sulfate solution with the mass fraction of 5% and the total amount of 2 times of the flaky graphene, uniformly stirring, and after the stirring is finished, carrying out suction filtration and drying to obtain a flaky graphene agent;
s13: adding 4 parts of flaky graphene agent and 2 parts of phosphoric acid buffer solution into 10 parts of sodium citrate solution, then adding 2 parts of pretreated aluminum borate whisker agent and 1 part of nano silica sol, stirring thoroughly, washing with water and drying to obtain the modifier doped with flaky graphene.
The conditions for the stirring reaction treatment in S11 of this example are: stirring is carried out for 1h at a rotational speed of 450 r/min.
The pH of the phosphate buffer solution of this example was 5.0; the mass fraction of the sodium citrate solution is 12%.
The preparation method of the coordination blending agent of the embodiment comprises the following steps:
adding 3 parts of nano silicon dioxide and 1 part of glycolic acid into 15 parts of 5% lanthanum chloride solution by mass percent, and uniformly dispersing to obtain nano silicon dioxide liquid;
placing 2 parts of hydroxyapatite into 15 parts of sodium lignin sulfonate solution, carrying out ultrasonic treatment, washing with water and drying to obtain a hydroxyapatite agent, stirring and mixing the hydroxyapatite agent and nano silicon dioxide solution according to a weight ratio of 2:7, washing with water and drying to obtain the coordination and tempering agent.
The ultrasonic power of the ultrasonic treatment of this example was 350W and the ultrasonic time was 20min.
The sodium lignin sulfonate solution of the embodiment is prepared by mixing and stirring sodium lignin sulfonate, deionized water and sodium hydroxide according to a weight ratio of 3:7:1.
The preparation method of the transfer powder coating comprises the following steps: bisphenol A epoxy resin, carboxyl polyester resin, dodecadiacid, flame retardant, modifier doped with flaky graphene, coordination modifier and pigment are stirred and mixed uniformly, and then extruded in a double-screw extruder, wherein the temperature of an extrusion I area is 100 ℃, and the temperature of an extrusion II area is 115 ℃; extruding, cooling and shaping, and crushing in a crusher to 100 meshes to obtain the transfer powder coating.
Example 2
The transfer powder coating comprises the following raw materials in parts by weight:
35 parts of bisphenol A type epoxy resin, 25 parts of carboxyl polyester resin, 8 parts of dodecadiacid, 7 parts of flame retardant, 12 parts of modifier doped with flaky graphene, 7 parts of coordination modifier and 6 parts of pigment.
The pigment of this example is carbon black; the flame retardant is prepared by mixing magnesium hydroxide and hexabromocyclododecane according to the weight ratio of 1:2.
The preparation method of the modifier doped with the flaky graphene in the embodiment comprises the following steps:
s11: the aluminum borate whisker is prepared by the following steps of: 5, adding yttrium nitrate solution with the mass fraction of 5%, then adding sodium dodecyl benzene sulfonate with the total amount of 5% of aluminum borate whisker and a silane coupling agent KH560 with the total amount of 3% of aluminum borate whisker, stirring for reaction treatment, washing with water and drying to obtain a pretreated aluminum borate whisker agent;
s12: firstly placing the flaky graphene into a cobalt sulfate solution with the mass fraction of 5% and the total amount of 5 times of the flaky graphene, uniformly stirring, and after the stirring is finished, carrying out suction filtration and drying to obtain a flaky graphene agent;
s13: 7 parts of flaky graphene agent and 5 parts of phosphoric acid buffer solution are added into 15 parts of sodium citrate solution, then 4 parts of pretreated aluminum borate whisker agent and 3 parts of nano silica sol are added, stirring is sufficient, washing is carried out, and drying is carried out, so that the modifier doped with flaky graphene is obtained.
The conditions for the stirring reaction treatment in S11 of this example are: stirring is carried out for 2h at a rotational speed of 550 r/min.
The pH of the phosphate buffer solution of this example was 5.0; the mass fraction of the sodium citrate solution is 15%.
The preparation method of the coordination blending agent of the embodiment comprises the following steps:
adding 5 parts of nano silicon dioxide and 3 parts of glycolic acid into 25 parts of 5% lanthanum chloride solution by mass percent, and uniformly dispersing to obtain nano silicon dioxide liquid;
and (3) placing 4 parts of hydroxyapatite in 25 parts of sodium lignin sulfonate solution, carrying out ultrasonic treatment, washing and drying after the treatment is finished to obtain a hydroxyapatite agent, stirring and mixing the hydroxyapatite agent and the nano silicon dioxide solution according to a weight ratio of 2:7 fully, washing and drying to obtain the coordination blending agent.
The ultrasonic power of the ultrasonic treatment of this example was 400W and the ultrasonic time was 30min.
The sodium lignin sulfonate solution of the embodiment is prepared by mixing and stirring sodium lignin sulfonate, deionized water and sodium hydroxide according to a weight ratio of 3:7:1.
The preparation method of the transfer powder coating comprises the following steps: bisphenol A epoxy resin, carboxyl polyester resin, dodecadiacid, flame retardant, modifier doped with flaky graphene, coordination modifier and pigment are stirred and mixed uniformly, and then extruded in a double-screw extruder, wherein the temperature of an extrusion I area is 100 ℃, and the temperature of an extrusion II area is 115 ℃; extruding, cooling and shaping, and crushing in a crusher to 100 meshes to obtain the transfer powder coating.
Example 3
The transfer powder coating comprises the following raw materials in parts by weight:
32.5 parts of bisphenol A type epoxy resin, 22.5 parts of carboxyl polyester resin, 6 parts of dodecadiacid, 5.5 parts of flame retardant, 10 parts of modifier doped with lamellar graphene, 5.5 parts of coordination modifier and 4.5 parts of pigment.
The pigment of this example is iron oxide red; the flame retardant is prepared by mixing magnesium hydroxide and hexabromocyclododecane according to the weight ratio of 1:2.
The preparation method of the modifier doped with the flaky graphene in the embodiment comprises the following steps:
s11: the aluminum borate whisker is prepared by the following steps of: 5 adding yttrium nitrate solution with the mass fraction of 5%, then adding sodium dodecyl benzene sulfonate with the total amount of 3.5% of aluminum borate whisker and a silane coupling agent KH560 with the total amount of 2% of aluminum borate whisker, stirring for reaction treatment, washing with water and drying to obtain a pretreated aluminum borate whisker agent;
s12: firstly placing the flaky graphene into a cobalt sulfate solution with the mass fraction of 5% which is 3.5 times of the total amount of the flaky graphene, uniformly stirring, and after the stirring is finished, carrying out suction filtration and drying to obtain a flaky graphene agent;
s13: adding 5.5 parts of flaky graphene agent and 3.5 parts of phosphoric acid buffer solution into 12.5 parts of sodium citrate solution, then adding 3 parts of pretreated aluminum borate whisker agent and 2 parts of nano silica sol, stirring thoroughly, washing with water, and drying to obtain the modifier doped with flaky graphene.
The conditions for the stirring reaction treatment in S11 of this example are: stirring is carried out at a speed of 500r/min for 1.5h.
The pH of the phosphate buffer solution of this example was 5.0; the mass fraction of the sodium citrate solution is 13.5%.
The preparation method of the coordination blending agent of the embodiment comprises the following steps:
adding 4 parts of nano silicon dioxide and 2 parts of glycolic acid into 20 parts of 5% lanthanum chloride solution by mass percent, and uniformly dispersing to obtain nano silicon dioxide liquid;
and (3) placing 3 parts of hydroxyapatite in 20 parts of sodium lignin sulfonate solution, carrying out ultrasonic treatment, washing and drying after the treatment is finished to obtain a hydroxyapatite agent, stirring and mixing the hydroxyapatite agent and the nano silicon dioxide solution according to a weight ratio of 2:7, washing and drying to obtain the coordination and tempering agent.
The ultrasonic power of the ultrasonic treatment of this example was 370W and the ultrasonic time was 25min.
The sodium lignin sulfonate solution of the embodiment is prepared by mixing and stirring sodium lignin sulfonate, deionized water and sodium hydroxide according to a weight ratio of 3:7:1.
The preparation method of the transfer powder coating comprises the following steps: bisphenol A epoxy resin, carboxyl polyester resin, dodecadiacid, flame retardant, modifier doped with flaky graphene, coordination modifier and pigment are stirred and mixed uniformly, and then extruded in a double-screw extruder, wherein the temperature of an extrusion I area is 100 ℃, and the temperature of an extrusion II area is 115 ℃; extruding, cooling and shaping, and crushing in a crusher to 100 meshes to obtain the transfer powder coating.
Comparative example 1.
The difference from example 3 is that the modifier of doped graphene flakes was not added.
Comparative example 2.
Unlike example 3, the preparation of the modifier doped with the flaky graphene did not use the flaky graphene agent.
Comparative example 3.
Unlike example 3, the modification of the doped graphene flakes was not performed with S11.
Comparative example 4.
The difference from example 3 is that the preparation of the modifier doped with the flaky graphene does not add a pretreated aluminum borate whisker agent.
Comparative example 5.
Unlike example 3, no coordinator was added.
Comparative example 6.
Unlike example 3, no hydroxyapatite agent was added to the coordinator preparation.
Comparative example 7.
The difference from example 3 is that the nano silicon dioxide liquid is mixed by nano silicon dioxide and deionized water according to the weight ratio of 1:7 in the preparation of the coordination blending agent.
The results of the performance measurements of examples 1-3 and comparative examples 1-7 are as follows
The products of the invention have excellent flame-retardant and wear-resistant effects, and meanwhile, the flame-retardant and wear-resistant effects can reach the coordination effect, and the prepared products can realize the coordination significant improvement of the flame retardant and the wear-resistant properties; one of a modifier doped with the flaky graphene and a coordination modifier is not added, the performance of the product is obviously reduced, the flaky graphene is not treated in the preparation of the modifier doped with the flaky graphene, the S11 treatment is not adopted in the preparation of the modifier doped with the flaky graphene, and a pretreated aluminum borate whisker agent is not added in the preparation of the modifier doped with the flaky graphene; the hydroxyapatite agent is not added in the preparation of the coordination and concoction agent, the nano silicon dioxide liquid is mixed with nano silicon dioxide and deionized water according to the weight ratio of 1:7, the performance of the product is prone to be deteriorated, and only the modifier and the coordination and concoction agent of the doped flaky graphene prepared by the method have the most remarkable performance effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The transfer printing powder coating is characterized by comprising the following raw materials in parts by weight:
30-35 parts of bisphenol A type epoxy resin, 20-25 parts of carboxyl polyester resin, 4-8 parts of dodecanoic diacid, 4-7 parts of flame retardant, 8-12 parts of modifier doped with flaky graphene, 4-7 parts of coordination modifier and 3-6 parts of pigment; the preparation method of the modifier doped with the flaky graphene comprises the following steps:
s11: the aluminum borate whisker is prepared by the following steps of: 5 adding yttrium nitrate solution with the mass fraction of 5%, then adding sodium dodecyl benzene sulfonate with the total amount of 2-5% of aluminum borate whisker and a silane coupling agent KH560 with the total amount of 1-3% of aluminum borate whisker, stirring for reaction treatment, washing with water and drying to obtain a pretreated aluminum borate whisker agent;
s12: firstly placing the flaky graphene into a cobalt sulfate solution with the mass fraction of 5% and the total amount of 2-5 times of the flaky graphene, uniformly stirring, and after the stirring is finished, carrying out suction filtration and drying to obtain a flaky graphene agent;
s13: adding 4-7 parts of flaky graphene agent and 2-5 parts of phosphoric acid buffer solution into 10-15 parts of sodium citrate solution, then adding 2-4 parts of pretreated aluminum borate whisker agent and 1-3 parts of nano silica sol, stirring thoroughly, washing with water and drying to obtain a modifier doped with flaky graphene; the preparation method of the coordination blending agent comprises the following steps:
adding 3-5 parts of nano silicon dioxide and 1-3 parts of glycolic acid into 15-25 parts of 5% lanthanum chloride solution by mass percent, and uniformly dispersing to obtain nano silicon dioxide liquid;
placing 2-4 parts of hydroxyapatite in 15-25 parts of sodium lignin sulfonate solution, performing ultrasonic treatment, washing and drying after the treatment is finished to obtain a hydroxyapatite agent, stirring and mixing the hydroxyapatite agent and nano silicon dioxide solution according to a weight ratio of 2:7 fully, washing and drying to obtain the coordination and tempering agent.
2. The transfer powder coating according to claim 1, wherein the transfer powder coating comprises the following raw materials in parts by weight:
32.5 parts of bisphenol A type epoxy resin, 22.5 parts of carboxyl polyester resin, 6 parts of dodecadiacid, 5.5 parts of flame retardant, 10 parts of modifier doped with lamellar graphene, 5.5 parts of coordination modifier and 4.5 parts of pigment.
3. The transfer powder coating of claim 1, wherein the pigment is one of red iron, yellow iron, and carbon black; the flame retardant is prepared by mixing magnesium hydroxide and hexabromocyclododecane according to the weight ratio of 1:2.
4. The transfer powder coating according to claim 1, wherein the conditions of the stirring reaction treatment in S11 are: stirring at a speed of 450-550r/min for 1-2h.
5. The transfer powder coating of claim 1, wherein the pH of the phosphate buffer solution is 5.0; the mass fraction of the sodium citrate solution is 12-15%.
6. A transfer powder coating as claimed in claim 1, wherein the ultrasonic power of the ultrasonic treatment is 350-400W and the ultrasonic time is 20-30min.
7. The transfer powder coating according to claim 1, wherein the sodium lignin sulfonate solution is prepared by mixing and stirring sodium lignin sulfonate, deionized water and sodium hydroxide according to a weight ratio of 3:7:1.
8. A method for producing a transfer powder coating as claimed in any one of claims 1 to 7, comprising the steps of: bisphenol A epoxy resin, carboxyl polyester resin, dodecadiacid, flame retardant, modifier doped with flaky graphene, coordination modifier and pigment are stirred and mixed uniformly, and then extruded in a double-screw extruder, wherein the temperature of an extrusion I area is 100 ℃, and the temperature of an extrusion II area is 115 ℃; extruding, cooling and shaping, and crushing in a crusher to 100 meshes to obtain the transfer powder coating.
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