A kind of kitchen tools special-purpose electrostatic spray coating powder paint and preparation method thereofTechnical field
The present invention relates to technical field of coatings, more particularly to a kind of kitchen tools special-purpose electrostatic spray coating powder paint and its preparation sideMethod.
Background technology
Coating used by existing kitchen tools, time length often occurs the phenomenons such as flavescence, tarnish, and easily gluesOil, binding dust, to kitchen tools articles for use pollution is brought, and produces various bacteriums, germ, for a long time using producing harm to human body, directlyAffect healthy.And be also to be easiest to produce where stink in kitchen, mostly it is the dulcet aromatic of apparatus coveringStink for the moment is crossed, or strengthens ventilation equipment, nationality is to reduce peculiar smell ratio, though can so reduce peculiar smell, effect on driving birds is not good is differentTaste is difficult to be wholly absent in kitchen.
The content of the invention
Based on problem present in background technology, the present invention propose a kind of kitchen tools special-purpose electrostatic spray coating powder paint and itsPreparation method, it not only can meet the construction requirement of electrostatic spraying, and can play the effect of restraining and sterilizing bacteria, while havingThe ability of absorption kitchen odor material.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of kitchen tools special-purpose electrostatic spray coating powder paint, by weight including the following raw material：Epoxy resin 60-90 parts, fluorineResin 15-35 parts, phenolic hydroxyl group resin 3-8 parts, antibacterial adsorbent 5-25 parts, nano silicon 2-6 parts, nano titanium oxide 1-5 parts, nano-calcium carbonate 1-5 parts, bauxite 5-15 parts, blanc fixe 5-10 parts, titanium dioxide 10-20 parts, zinc stearate 2-5Part, styrax 1-3 parts, HEMC 2-6 parts, polyamide wax 0.2-1 parts, levelling agent 0.5-2 parts, amine curing agent2-6 parts；
Wherein, preparing the method for the antibacterial adsorbent includes：After by bentonite and medical stone roasting, the dispersion that adds water is equalEven, it is uniform to add Ludox, organic amine and NaOH ultrasonic disperse, is placed in after closed container and is warming up to 180-220 DEG C and entersWater-filling thermal response, the reaction time is 6-10h, and cooled and filtered removes mother liquor, and washing is dried, and adds copper salt solution and dispersionAgent is mixed, and ultrasonic vibration 10-24h after being warming up to 60-100 DEG C is refiltered, and is washed, and is dried, grinding, obtains the antibacterial absorptionAgent.
Preferably, the epoxy resin is bisphenol A-type solid epoxy E-12.
Preferably, the preparation method of the fluororesin includes：By weight by CTFE monomer 45-60 parts, straight chainAlkyl vinyl base ester or vinyl ether monomers 15-35 parts, carboxylic monomer 5-10 parts, carboxylic acid monomer 0.5-1 parts and initiator 0.05-In 0.15 part of addition reactor, using water and ethanol as solvent, under conditions of inert gas shielding, it is warming up to 45-70 DEG C and entersRow polymerisation, isolates product after 5-20h, be dried after being washed with ethanol, obtains the fluororesin；Preferably, the straight chainAlkyl vinyl base ester or vinyl ether monomers are vinylacetate, vinyl butyrate or n-butyl vinyl ether, the hydroxyl listBody is hydroxyethyl vinylethers, hydroxy butyl vinyl ether, hydroxy-ethyl acrylate or hy-droxybutyl, and the carboxylic acid monomer is thirdOlefin(e) acid, butenoic acid, undecenoic acid.
Preferably, preparing the method for the antibacterial adsorbent includes：By weight by 10 parts of bentonite and medical stone 1-5 partsAfter roasting 4-6h at 750-850 DEG C, add water and be uniformly dispersed, add SiO2Content is the Ludox 30-50 of 25-35wt%Ultrasonic disperse 0.5-1.5h after part, organic amine 3-5 parts and NaOH 0.5-2 parts, is placed in after sealing container and is warming up to 190-210Hydro-thermal reaction DEG C is carried out, the reaction time is 7-9h, and cooled and filtered removes mother liquor, and washing is dried, and adds concentration for 2-Copper salt solution 100-200 parts of 8wt% and calgon 1-5 parts mix, ultrasonic vibration reaction 15- after being warming up to 70-80 DEG C20h, washing is dried, and is ground to particle diameter≤100 mesh, obtains the antibacterial adsorbent.
Preferably described organic amine is tetraethyl ammonium hydroxide, etamon chloride, tetraethylammonium bromide or tetraethylThe combination of one or more in ammonium iodide；Preferably, the copper salt solution is the molten of copper sulphate, copper nitrate or copper chlorideLiquid.
Preferably, the operating frequency of ultrasonic vibration reaction is 25-40kHz.
Preferably, the levelling agent is fluorine-carbon modified polyacrylate flow agent, polyether modified silicon oil levelling agent or propyleneThe combination of one or more in acid esters analog copolymer levelling agent.
Preferably, the amine curing agent be poly- amine curing agent, modified polyamine class curing agent, polyamide-based curing agent,The combination of one or more in modified polyamide class curing agent or dicyandiamide.
Preferably, described kitchen tools special-purpose electrostatic spray coating powder paint, by weight including the following raw material：Epoxy resin70-80 parts, fluororesin 20-30 parts, phenolic hydroxyl group resin 5-7 parts, antibacterial adsorbent 10-20 parts, nano silicon 3-5 parts, receiveIt is rice titanium dioxide 2-4 parts, nano-calcium carbonate 2-4 parts, bauxite 8-12 parts, blanc fixe 7-8 parts, titanium dioxide 12-18 parts, hardEster acid zinc 3-4 parts, styrax 1-2 parts, HEMC 3-5 parts, polyamide wax 0.4-0.8 parts, levelling agent 1-1.5Part, amine curing agent 3-5 parts.
A kind of preparation method of kitchen tools special-purpose electrostatic spray coating powder paint, including：By proportioning by epoxy resin, fluororesin,Phenolic hydroxyl group tree, antibacterial adsorbent, nano silicon, nano titanium oxide, nano-calcium carbonate, bauxite, blanc fixe, titaniumWhite powder, zinc stearate, styrax, HEMC, polyamide wax, levelling agent, amine curing agent are stirred in high mixerMix uniform, Jing double screw extruder melting extrusions, compressing tablet is air-cooled, milling sieves, and obtains the kitchen tools special-purpose electrostatic spray coating powderLast coating；Preferably, the double screw extruder melt temperature is 125-155 DEG C.
A kind of kitchen tools special-purpose electrostatic spray coating powder paint proposed by the present invention, by selecting epoxy resin, fluororesin for treeAliphatic radical material, and be aided with resin binder have fine compatibility again with suitable reactions phenolic hydroxyl group resin and amine substance conductCuring agent so that the bin stability of coating, between meltbility, mobility and curability have well balanced system, it is ensured thatWhile coating has low temperature curing properties, the mechanicalness and corrosion resistance for coating provides guarantee；At the same time, add with threeFluorine vinyl chloride for main component penta-component copolymerized fluororesin, can significantly improve the soil resistance of film, weatherability, corrosion resistance,Decorative effect, glossiness and conservation degree；Additionally, the bacteriostasis antibiosis performance in order to improve coating of the present invention, leads in the present inventionAddition antibacterial adsorbent is crossed, the antibacterial adsorbent is by by using the bentonite and medical stone of sial rich content as mineral originMixture gel is first configured, after extra addition silicon source material is adjusted to the silica alumina ratio of mixture gel, in organic amine conductTemplate and inorganic base can be broken up in bentonite and medical stone mineral and deposit originally as hydro-thermal reaction is carried out in the presence of catalystThe obstructed micropore of estrangement, micropore specific area and volume increase are made, so as to obtain a kind of there is porous and pore sizeSuitable carrier filler, effectively reduces sterically hindered in original mineral, raising pore volume, and interior diffusion rate quickening is exchanged and heldAmount increase, so as to improve its absorption property and ion-exchange performance, on the premise of copper liquid is added, effectively can enter to copper ionRow exchange adsorption, antiseptic copper constitutes strong bonded by carrier filler and coating, and then forms a kind of to bacterium and fungi toolThere are strong adsorption and antibacterial, bactericidal action a antibacterial adsorbent, while giving coating good restraining and sterilizing bacteria effect, carrier fillerOn loose structure can also carry out good adsorption to odorous gas；And the copper-loaded structure on the antibacterial adsorbent so as to canUsing as conductive agent so that powdery paints of the present invention has stronger electric conductivity, such that it is able to using electrostatic spray shapeInto functional coating；Hereafter nano silicon, nano titanium oxide, nano-calcium carbonate, bauxite, precipitation are additionally added in the present inventionBarium sulfate can further improve chemical resistance, weatherability and the high-decoration of film as filler；Titanium dioxide can absorb ultravioletTrough reach more than 75%, protect the c h bond in macromolecular material, so as to improve the weatherability of paint film, postpone paint filmChalk masking；HEMC can make use of HEMC to base with antibacterial adsorbent reasonable compatibilityThe wetability of layer is good, is less prone to floating powder, there is the specific of certain bleed, so that antibacterial adsorbent internal pore structureAbsorption property is more outstanding；Polyamide wax can preferably balance the sag resistance and levelability of film, can assign lance coating systemHigher thixotropic property, and with good thickening, anti-settling effect；The reduction coating of high degree is then capable of in the addition of levelling agentThe surface tension of system, enhancement is substrate wetting, prevent shrinkage cavity, while promoting the slipping and gloss of coating surface.
Specific embodiment
For the present invention is better described, technical scheme is readily appreciated, the present invention's is typical but non-limitingEmbodiment is as follows：
Embodiment 1
A kind of kitchen tools special-purpose electrostatic spray coating powder paint, by weight including the following raw material：Bisphenol A-type solid epoxy60 parts of E-12,35 parts of fluororesin, 3 parts of phenolic hydroxyl group resin, 25 parts of antibacterial adsorbent, 2 parts of nano silicon, nanometer titanium dioxide5 parts of titanium, 1 part of nano-calcium carbonate, 15 parts of bauxite, 5 parts of blanc fixe, 20 parts of titanium dioxide, 2 parts of zinc stearate, styrax 3Part, 2 parts of HEMC, 1 part of polyamide wax, 0.5 part of fluorine-carbon modified polyacrylate flow agent, poly- amine curing agent6 parts；
Wherein, the preparation method of the fluororesin includes：By weight by 45 parts of CTFE monomer, vinylacetate35 parts, 5 parts of hydroxyethyl vinylethers, in 0.05 part of addition reactor of 1 part of acrylic acid and initiator, using water and ethanol as moltenAgent, under conditions of inert gas shielding, being warming up to 70 DEG C carries out polymerisation, product is isolated after 5h, after being washed with ethanolIt is dried, obtains the fluororesin；
Preparing the method for the antibacterial adsorbent includes：By weight by 1 part of 10 parts of bentonite and medical stone at 850 DEG CAfter roasting 4h, add water and be uniformly dispersed, add SiO2Content is 30 parts of the Ludox of 35wt%, 5 parts of tetraethyl ammonium hydroxide andUltrasonic disperse 1.5h after 0.5 part of NaOH, is placed in after closed container and is warming up to 190 DEG C and carries out hydro-thermal reaction, and the reaction time is9h, cooled and filtered removes mother liquor, and washing is dried, and adds 200 parts of copper-bath and hexa metaphosphoric acid that concentration is 2wt%1 part of mixing of sodium, ultrasonic vibration reaction 15h after being warming up to 80 DEG C, the operating frequency of ultrasonic vibration reaction is 40kHz, and washing is doneIt is dry, particle diameter≤100 mesh is ground to, obtain the antibacterial adsorbent.
Embodiment 2
A kind of kitchen tools special-purpose electrostatic spray coating powder paint, by weight including the following raw material：Bisphenol A-type solid epoxy90 parts of E-12,15 parts of fluororesin, 8 parts of phenolic hydroxyl group resin, 5 parts of antibacterial adsorbent, 6 parts of nano silicon, nano titanium oxide1 part, 5 parts of nano-calcium carbonate, 5 parts of bauxite, 10 parts of blanc fixe, 10 parts of titanium dioxide, 5 parts of zinc stearate, 1 part of styrax,6 parts of HEMC, 0.2 part of polyamide wax, 2 parts of polyether modified silicon oil levelling agent, 2 parts of modified polyamine class curing agent；
Wherein, the preparation method of the fluororesin includes：By weight by 60 parts of CTFE monomer, vinyl butyrate15 parts, 10 parts of hydroxy butyl vinyl ether, in 0.15 part of addition reactor of 0.5 part of butenoic acid and initiator, using water and ethanol asSolvent, under conditions of inert gas shielding, being warming up to 45 DEG C carries out polymerisation, and product is isolated after 20h, is washed with ethanolAfter be dried, obtain the fluororesin；
Preparing the method for the antibacterial adsorbent includes：By weight by 5 parts of 10 parts of bentonite and medical stone at 750 DEG CAfter roasting 6h, add water and be uniformly dispersed, add SiO2Content is 50 parts of Ludox, 3 parts of etamon chloride and the hydrogen of 25wt%Ultrasonic disperse 0.5h after 2 parts of sodium oxide molybdena, is placed in after closed container and is warming up to 210 DEG C and carries out hydro-thermal reaction, and the reaction time is 7h, coldBut filter afterwards and remove mother liquor, washing is dried, add 5 parts of 100 parts of copper nitrate solution and calgon that concentration is 8wt%Mix, ultrasonic vibration reaction 20h after being warming up to 70 DEG C, the operating frequency of ultrasonic vibration reaction is 25kHz, and washing is dried, grindingTo particle diameter≤100 mesh, the antibacterial adsorbent is obtained.
Embodiment 3
A kind of kitchen tools special-purpose electrostatic spray coating powder paint, by weight including the following raw material：Bisphenol A-type solid epoxy70 parts of E-12,30 parts of fluororesin, 5 parts of phenolic hydroxyl group resin, 20 parts of antibacterial adsorbent, 3 parts of nano silicon, nanometer titanium dioxide4 parts of titanium, 2 parts of nano-calcium carbonate, 12 parts of bauxite, 7 parts of blanc fixe, 18 parts of titanium dioxide, 3 parts of zinc stearate, styrax 2Part, 3 parts of HEMC, 0.8 part of polyamide wax, 1 part of acrylic acid esters co-polymer levelling agent, 5 parts of dicyandiamide；
Wherein, the preparation method of the fluororesin includes：By weight by 50 parts of CTFE monomer, n-butyl vinylIn 25 parts of base ether, 7 parts of hydroxy-ethyl acrylate, 0.1 part of addition reactor of 0.8 part of undecenoic acid and initiator, made with water and ethanolFor solvent, under conditions of inert gas shielding, being warming up to 55 DEG C carries out polymerisation, and product is isolated after 12h, is washed with ethanolIt is dried after washing, obtains the fluororesin；
Preparing the method for the antibacterial adsorbent includes：By weight by 3 parts of 10 parts of bentonite and medical stone at 800 DEG CAfter roasting 5h, add water and be uniformly dispersed, add SiO2Content is 40 parts of Ludox, 4 parts of tetraethyl ammonium iodide and the hydrogen of 30wt%Ultrasonic disperse 1h after 1.2 parts of sodium oxide molybdena, is placed in after closed container and is warming up to 200 DEG C and carries out hydro-thermal reaction, and the reaction time is 8h, coldBut filter afterwards and remove mother liquor, washing is dried, add 3 parts of 150 parts of copper chloride solution and calgon that concentration is 5wt%Mix, ultrasonic vibration reaction 17h after being warming up to 75 DEG C, the operating frequency of ultrasonic vibration reaction is 35kHz, and washing is dried, grindingTo particle diameter≤100 mesh, the antibacterial adsorbent is obtained.
Embodiment 4
A kind of kitchen tools special-purpose electrostatic spray coating powder paint, by weight including the following raw material：Bisphenol A-type solid epoxy80 parts of E-12,20 parts of fluororesin, 7 parts of phenolic hydroxyl group resin, 10 parts of antibacterial adsorbent, 5 parts of nano silicon, nanometer titanium dioxide2 parts of titanium, 4 parts of nano-calcium carbonate, 8 parts of bauxite, 8 parts of blanc fixe, 12 parts of titanium dioxide, 4 parts of zinc stearate, 1 part of styrax,5 parts of HEMC, 0.4 part of polyamide wax, 1.5 parts of levelling agent, 3 parts of amine curing agent；
Wherein, the preparation method of the fluororesin includes：By weight by 55 parts of CTFE monomer, vinylacetate20 parts, 8 parts of hy-droxybutyl, in 0.1 part of addition reactor of 0.7 part of acrylic acid and initiator, using water and ethanol as solvent,Under conditions of inert gas shielding, being warming up to 60 DEG C carries out polymerisation, and product is isolated after 15h, does after being washed with ethanolIt is dry, obtain the fluororesin；
Preparing the method for the antibacterial adsorbent includes：By weight by 4 parts of 10 parts of bentonite and medical stone at 780 DEG CAfter roasting 5.5h, add water and be uniformly dispersed, add SiO2Content is 45 parts of Ludox, 3.5 parts of the tetraethyl ammonium iodide of 28wt%With ultrasonic disperse 1.2h after 1.5 parts of NaOH, it is placed in after closed container and is warming up to 205 DEG C and carries out hydro-thermal reaction, reaction timeFor 7.5h, cooled and filtered removes mother liquor, and washing is dried, and adds 180 parts of copper nitrate solution that concentration is 6wt% and six inclined2 parts of mixings of sodium phosphate, ultrasonic vibration reaction 18h after being warming up to 78 DEG C, the operating frequency of ultrasonic vibration reaction is 30kHz, is washed,It is dried, is ground to particle diameter≤100 mesh, obtains the antibacterial adsorbent；
The levelling agent is fluorine-carbon modified polyacrylate flow agent and polyether modified silicon oil levelling agent；The amine-type cureAgent is polyamide-based curing agent and modified polyamide class curing agent.
The preparation method of the kitchen tools special-purpose electrostatic spray coating powder paint described in embodiment 1-4, including：By proportioning by asphalt mixtures modified by epoxy resinIt is fat, fluororesin, phenolic hydroxyl group tree, antibacterial adsorbent, nano silicon, nano titanium oxide, nano-calcium carbonate, bauxite, heavyShallow lake barium sulfate, titanium dioxide, zinc stearate, styrax, HEMC, polyamide wax, levelling agent, amine curing agent existStir in high mixer, Jing double screw extruder melting extrusions, the double screw extruder melt temperature is 125-155 DEG C,Compressing tablet, air-cooled, milling, sieves, and obtains the kitchen tools special-purpose electrostatic spray coating powder paint.
Kitchen tools special-purpose electrostatic spray coating powder paint described in embodiment 1-4 is sprayed on into model in the way of electrostatic sprayingOn, following performance test is carried out, the performance test results are as shown in the table.
Applicant states that the present invention illustrates the method detailed of the present invention, but the present invention not office by above-described embodimentIt is limited to above-mentioned method detailed, that is, does not mean that the present invention has to rely on above-mentioned method detailed and could implement.ArtTechnical staff it will be clearly understood that any improvement in the present invention, the equivalence replacement and auxiliary element to each raw material of product of the present inventionAddition, selection of concrete mode etc., within the scope of all falling within protection scope of the present invention and disclosure.