CN106010215A - Water-based nano polyester paint and preparation method thereof - Google Patents
Water-based nano polyester paint and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
- C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/6692—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/34
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/68—Unsaturated polyesters
- C08G18/683—Unsaturated polyesters containing cyclic groups
- C08G18/686—Unsaturated polyesters containing cyclic groups containing cycloaliphatic groups
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
- C08G63/54—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation the acids or hydroxy compounds containing carbocyclic rings
- C08G63/553—Acids or hydroxy compounds containing cycloaliphatic rings, e.g. Diels-Alder adducts
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- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- 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
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a water-based nano polyester paint. The water-based nano polyester paint is prepared from the following raw materials in parts by weight: 0.1 to 0.3 part of dibasic lead phosphate, 1 to 2 parts of sodium carboxymethylcellulose, 2 to 3 parts of polylactic acid, 35 to 40 parts of rosin, 8 to 10 parts of fumaric acid, 6 to 7 parts of 20 to 30 percent sodium hydroxide solution, 20 to 34 parts of ethylene glycol, 0.1 to 0.2 part of antimonous oxide, 2 to 3 parts of sodium polyacrylate, 13 to 20 parts of zinc chloride, 80 to 90 parts of polyether glycol, 100 to 130 parts of toluene diisocynate, 2 to 3 parts of 2,2-dimethylolpropionic acid, 4 to 5 parts of diethylene glycol, 1 to 2 parts of triethylamine, 0.2 to 0.4 part of 2-mercapto benzimidazole, 0.8 to 2 parts of dimethyl propyl carboxylic ester, 1 to 1.6 parts of alkenyl succinic anhydride, 1 to 2 parts of p-nitrophenol, 7 to 9 parts of nano titanium dioxide, and 0.3 to 0.5 part of polysorbate 80. According to the water-based nano polyester paint, the toughness and the surface strength of a paint film can be effectively improved by the added nano titanium dioxide, and the comprehensive performance of the paint film can be improved.
Description
Technical field
The present invention relates to polyester coating technical field, particularly relate to a kind of water nano polyester coating and preparation method thereof.
Background technology
At present, although conventional water-base polyurethane material is widely used in the industry such as coating, adhesive due to its environmental friendliness, but the water-base polyurethane material of routine yet suffers from thermostability and the deficiency such as weatherability is the best, antistatic behaviour is poor, have impact on its wider application to preferably improve the combination property of aqueous polyurethane coating, the shortcoming such as overcome the poor water resistance that himself exists, solid content low, expand its range of application, study on the modification to aqueous polyurethane has become a big focus in recent years, and the degree of depth and the range of discussion the most more expand.The modification of aqueous polyurethane is broadly divided into two large divisions, and one is that aqueous polyurethane is composite modified with other materials, different according to modifying agent, the modification of aqueous polyurethane emulsion mainly have epoxy resin modification, acrylate modified, add nano-material modified etc..Two is that the raw material to aqueous polyurethane is modified, and introduces the biomass resources such as starch, cellulose, oils and fats, utilizes its characteristic to improve a certain performance of aqueous polyurethane；
Aqueous polyurethane and the compound two ways that is broadly divided into of inorganic nano-particle, the fillers such as montmorillonite, Muscovitum, Pulvis Talci are added in aqueous polyurethane by one, are prepared as phyllosilicate nano modified aqueous polyurethane composite；Another kind is to add in water-base polyurethane material by nanoparticles such as silicon dioxide, zinc oxide, magnesium hydroxide, nano-celluloses, is prepared as inorganic rigid Nanocomposites water-base polyurethane material.Nano zine oxide is compared with common ZnO, there is the excellent properties such as high chemical stability, relatively low dielectric constant, stronger ultraviolet and INFRARED ABSORPTION and catalysis activity, nano-ZnO is added in polyurethane, excellent in mechanical performance, uvioresistant, antistatic and the new function composite such as antibacterial can be prepared；
At present, remaining high of oil price, the production cost causing polyester and polyether polyol is also day by day to increase.People start to pay attention to the intermediate that research and development are raw material production polyurethane with Renewable resource.Colophonium is as one of important forestry biomass resource of China, existing scholar's research adds it in the synthesis of polyurethane, to improve the performances such as the gloss of polyurethane products, cohesiveness, but they are all directly to add in polyurethane by Colophonium, and Colophonium is that the mixture degree of functionality simultaneously that various kinds of resin is sour is the highest, can not join on the main chain of polyurethane, fail to significantly improve the performance so that product, it is impossible to give full play to the characteristic of Colophonium；Colophonium has that hardness is high, heat-resist and the good characteristic such as insulation, anticorrosion, if introducing it in polyurethane, can overcome the shortcomings such as standard aqueous low, the heat-resisting poor water resistance of polyurethane hardness.But forefathers the most directly apply this mixture of Colophonium, the structure of Colophonium is connected to the end of strand only as end-capping reagent, makes the performance of Colophonium sufficiently not embodied；.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of water nano polyester coating and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of water nano polyester coating, it is made up of the raw material of following weight parts:
Dibasic lead phosphite 0.1-0.3, sodium carboxymethyl cellulose 1-2, polylactic acid 2-3, Colophonium 35-40, fumaric acid 8-10, 20-30% sodium hydroxide solution 6-7, ethylene glycol 20-34, antimony oxide 0.1-0.2, sodium polyacrylate 2-3, zinc chloride 13-20, polyether Glycols 80-90, toluene di-isocyanate(TDI) 100-130, 2, 2-dihydromethyl propionic acid 2-3, diethylene glycol 4-5, triethylamine 1-2, 2-mercaptobenzimidazole 0.2-0.4, dimethylpropane carboxylate 0.8-2, alkenyl succinic anhydride 1-1.6, paranitrophenol 1-2, nano titanium oxide 7-9, polyoxyethylene sorbitan monoleate 0.3-0.5.
The preparation method of a kind of described water nano polyester coating, comprises the following steps；
(1) above-mentioned sodium carboxymethyl cellulose is joined in the deionized water of its weight 10-17 times, insulated and stirred 4-7 minute at 50-60 DEG C, add nano titanium oxide, ultrasonic 2-3 minute, obtain nano dispersion fluid；
(2) above-mentioned paranitrophenol is joined in the dehydrated alcohol of its weight 10-13 times, stir, add polyoxyethylene sorbitan monoleate, insulated and stirred 7-10 minute at 50-60 DEG C, obtain alcohol emulsion；
(3) by Colophonium, fumaric acid mixing, 200-230 DEG C of insulation reaction 2.7-3 hour under nitrogen protection, it is cooled to 157-160 DEG C of discharging; joining in the dehydrated alcohol of its weight 10-15 times, drip above-mentioned 20-30% sodium hydroxide solution, stirring is to room temperature; sucking filtration, vacuum drying, it is then added in the dehydrated alcohol of its weight 6-8 times; add above-mentioned alcohol emulsion; stirring, dropping concentration is the hydrochloric acid solution of 5-7%, and regulation pH is 3-4; stir, obtain modified fumaropimaric acid；
(4) above-mentioned 2-mercaptobenzimidazole is joined in modified fumaropimaric acid, at 46-50 DEG C ultrasonic 2-3 minute, sucking filtration, is vacuum dried precipitation, mixes with ethylene glycol, antimony oxide, it is passed through nitrogen, stirring reaction 3-4 hour at 150-160 DEG C, rises high-temperature and is 210-220 DEG C, continue insulation 1.7-2 hour, cooling discharge, obtains modified poly ester polyhydric alcohol；
(5) being joined by above-mentioned sodium polyacrylate in the deionized water of its weight 80-100 times, drip acetic acid, regulation pH is 2-3, adds zinc chloride, stir, the sodium hydroxide of dropping 3-5mol/l, regulation pH is 10-11, insulation reaction 3-5 hour at 87-90 DEG C, centrifugation, obtain precipitation；
(6) above-mentioned precipitation is joined in nano dispersion fluid, add above-mentioned dibasic lead phosphite, stirring mixing 30-40 minute, filter, be vacuum dried 10-11 hour at 60-65 DEG C will be deposited in, obtain water-dispersion type zinc oxide；
(7) by above-mentioned polyether Glycols, the mixing of modified poly ester polyhydric alcohol, at 118-130 DEG C, vacuum dehydration 2-3 hour, is cooled to room temperature, mix with toluene di-isocyanate(TDI), insulation reaction 100-120 minute at 76-80 DEG C, add 2,2-dihydromethyl propionic acid, alkenyl succinic anhydride, continue insulation reaction 50-60 minute, add above-mentioned diethylene glycol, insulation reaction 4-5 hour at 57-60 DEG C, it is cooled to room temperature, add above-mentioned triethylamine, stir, obtain rosin acid modified poly ester；
(8) above-mentioned rosin acid modified poly ester is joined in the deionized water of its weight 4-6 times, add above-mentioned water-dispersion type zinc oxide, ultrasonic 20-30 minute, mix with remaining each raw material, stir, to obtain final product.
The invention have the advantage that the present invention prepares fumaropimaric acid by Colophonium, it is the rosin derivative having and condensing many alicyclic rings rigid structure and polyfunctionality, fumaropimaric acid PEPA is prepared as raw material, it is incorporated in aqueous polyurethane high polymer main chain, polyurethane can be made to produce crosslinking, molecular chain movement be obstructed formed hydrophilic region diminish and be crosslinked region close, reduce infiltration and the diffusion of hydrone so that paint film has relatively low water absorption rate.The introducing condensing many alicyclic structures of fumaropimaric acid simultaneously, add hot strength and the hardness of paint film, synthesis fumaropimaric acid modified aqueous polyurethane, the shortcomings such as standard aqueous low, the heat-resisting poor water resistance of polyurethane hardness can be overcome, the modified aqueous polyurethane material of the function admirables such as the hardness obtained is high, glossiness is good, thermostability and resistance to water；The present invention is also added into water-dispersion type zinc oxide, on the one hand improve the degree of crystallinity of polyurethane coating film, interaction force between polyurethane molecular is strengthened, heat resistance raises: on the other hand, the nano zine oxide being dispersed in polyurethane coating film serves the effect of similar cross-linking agent so that the free volume of polyurethane reduces, the bound degree of activity of strand increases, average chain length between adjacent " crosslinking points " diminishes, so the weightless temperature of polyurethane improves, heat resistance improves；Nano zine oxide is at sunlight simultaneously, particularly under ultraviolet light irradiates, in water and air, the electronegative electronics moved freely can be decomposited voluntarily, leave the hole of positively charged simultaneously, hole can be with excited oxygen and hydroxyl, the water and air adsorbed thereon is made to become oxygen and the hydroxyl of activity, they have the strongest redox, cell membrane damage is made to cause dying of antibacterial, thus improve the anti-microbial property of polyester coating, the nano titanium oxide that the present invention adds can effectively improve toughness and the surface strength of film, improve the combination property of finished product film.
Detailed description of the invention
A kind of water nano polyester coating, it is made up of the raw material of following weight parts:
Dibasic lead phosphite 0.1, sodium carboxymethyl cellulose 1, polylactic acid 2, Colophonium 35, fumaric acid 8,20% sodium hydroxide solution 6, ethylene glycol 20, antimony oxide 0.1, sodium polyacrylate 2, zinc chloride 13, polyether Glycols 80, toluene di-isocyanate(TDI) 100,2,2 dihydromethyl propionic acid 2, diethylene glycol 4, triethylamine 1,2 mercaptobenzimidazole 0.2, dimethylpropane carboxylate 0.8, alkenyl succinic anhydride 1, paranitrophenol 1, nano titanium oxide 7, polyoxyethylene sorbitan monoleate 0.3.
The preparation method of a kind of described water nano polyester coating, comprises the following steps；
(1) above-mentioned sodium carboxymethyl cellulose is joined in the deionized water of its weight 10 times, insulated and stirred 4 minutes at 50 DEG C, add nano titanium oxide, ultrasonic 2 minutes, obtain nano dispersion fluid；
(2) above-mentioned paranitrophenol is joined in the dehydrated alcohol of its weight 10 times, stir, add polyoxyethylene sorbitan monoleate, insulated and stirred 7 minutes at 50 DEG C, obtain alcohol emulsion；
(3) by Colophonium, fumaric acid mixing, 200 DEG C of insulation reaction 2.7 hours, are cooled to 157 DEG C of dischargings under nitrogen protection; joining in the dehydrated alcohol of its weight 10 times, drip above-mentioned 20% sodium hydroxide solution, stirring is to room temperature; sucking filtration, vacuum drying, it is then added in the dehydrated alcohol of its weight 6 times; add above-mentioned alcohol emulsion; stirring, dropping concentration is the hydrochloric acid solution of 5%, and regulation pH is 3; stir, obtain modified fumaropimaric acid；
(4) above-mentioned 2 mercaptobenzimidazoles are joined in modified fumaropimaric acid, at 46 DEG C ultrasonic 2 minutes, sucking filtration, is vacuum dried precipitation, mixes with ethylene glycol, antimony oxide, it is passed through nitrogen, stirring reaction 3 hours at 150 DEG C, rising high-temperature is 210 DEG C, continues insulation 1.7 hours, cooling discharge, obtains modified poly ester polyhydric alcohol；
(5) being joined by above-mentioned sodium polyacrylate in the deionized water of its weight 80 times, drip acetic acid, regulation pH is 2, adds zinc chloride, stirs, the sodium hydroxide of dropping 3mol/l, and regulation pH is 10, and at 87 DEG C, insulation reaction 3 hours, centrifugation, obtain precipitation；
(6) above-mentioned precipitation is joined in nano dispersion fluid, add above-mentioned dibasic lead phosphite, stirring mixing 30 minutes, filter, vacuum drying 10 hours will be deposited at 60 DEG C, obtain water-dispersion type zinc oxide；
(7) by above-mentioned polyether Glycols, the mixing of modified poly ester polyhydric alcohol, at 118 DEG C, vacuum dehydration 2 hours, are cooled to room temperature, mix with toluene di-isocyanate(TDI), insulation reaction 100 minutes at 76 DEG C, add 2,2 dihydromethyl propionic acids, alkenyl succinic anhydride, continue insulation reaction 50 minutes, add above-mentioned diethylene glycol, insulation reaction 4 hours at 57 DEG C, it is cooled to room temperature, add above-mentioned triethylamine, stir, obtain rosin acid modified poly ester；
(8) above-mentioned rosin acid modified poly ester is joined in the deionized water of its weight 4 times, add above-mentioned water-dispersion type zinc oxide, ultrasonic 20 minutes, mix with remaining each raw material, stir, to obtain final product.
Performance test with the coating gained paint film of the present invention:
Impact strength: 115kg cm;
Adhesive force: 1；
Hot strength: 25.7MPa；
Elongation at break: 560.1%；
Water absorption rate: 12.3%；
Viscosity: 43.5 mPa s.
Claims (2)
1. a water nano polyester coating, it is characterised in that it is made up of the raw material of following weight parts:
Dibasic lead phosphite 0.1-0.3, sodium carboxymethyl cellulose 1-2, polylactic acid 2-3, Colophonium 35-40, fumaric acid 8-10, 20-30% sodium hydroxide solution 6-7, ethylene glycol 20-34, antimony oxide 0.1-0.2, sodium polyacrylate 2-3, zinc chloride 13-20, polyether Glycols 80-90, toluene di-isocyanate(TDI) 100-130, 2, 2-dihydromethyl propionic acid 2-3, diethylene glycol 4-5, triethylamine 1-2, 2-mercaptobenzimidazole 0.2-0.4, dimethylpropane carboxylate 0.8-2, alkenyl succinic anhydride 1-1.6, paranitrophenol 1-2, nano titanium oxide 7-9, polyoxyethylene sorbitan monoleate 0.3-0.5.
2. the preparation method of a water nano polyester coating as claimed in claim 1, it is characterised in that comprise the following steps；
(1) above-mentioned sodium carboxymethyl cellulose is joined in the deionized water of its weight 10-17 times, insulated and stirred 4-7 minute at 50-60 DEG C, add nano titanium oxide, ultrasonic 2-3 minute, obtain nano dispersion fluid；
(2) above-mentioned paranitrophenol is joined in the dehydrated alcohol of its weight 10-13 times, stir, add polyoxyethylene sorbitan monoleate, insulated and stirred 7-10 minute at 50-60 DEG C, obtain alcohol emulsion；
(3) by Colophonium, fumaric acid mixing, 200-230 DEG C of insulation reaction 2.7-3 hour under nitrogen protection, it is cooled to 157-160 DEG C of discharging; joining in the dehydrated alcohol of its weight 10-15 times, drip above-mentioned 20-30% sodium hydroxide solution, stirring is to room temperature; sucking filtration, vacuum drying, it is then added in the dehydrated alcohol of its weight 6-8 times; add above-mentioned alcohol emulsion; stirring, dropping concentration is the hydrochloric acid solution of 5-7%, and regulation pH is 3-4; stir, obtain modified fumaropimaric acid；
(4) above-mentioned 2-mercaptobenzimidazole is joined in modified fumaropimaric acid, at 46-50 DEG C ultrasonic 2-3 minute, sucking filtration, is vacuum dried precipitation, mixes with ethylene glycol, antimony oxide, it is passed through nitrogen, stirring reaction 3-4 hour at 150-160 DEG C, rises high-temperature and is 210-220 DEG C, continue insulation 1.7-2 hour, cooling discharge, obtains modified poly ester polyhydric alcohol；
(5) being joined by above-mentioned sodium polyacrylate in the deionized water of its weight 80-100 times, drip acetic acid, regulation pH is 2-3, adds zinc chloride, stir, the sodium hydroxide of dropping 3-5mol/l, regulation pH is 10-11, insulation reaction 3-5 hour at 87-90 DEG C, centrifugation, obtain precipitation；
(6) above-mentioned precipitation is joined in nano dispersion fluid, add above-mentioned dibasic lead phosphite, stirring mixing 30-40 minute, filter, be vacuum dried 10-11 hour at 60-65 DEG C will be deposited in, obtain water-dispersion type zinc oxide；
(7) by above-mentioned polyether Glycols, the mixing of modified poly ester polyhydric alcohol, at 118-130 DEG C, vacuum dehydration 2-3 hour, is cooled to room temperature, mix with toluene di-isocyanate(TDI), insulation reaction 100-120 minute at 76-80 DEG C, add 2,2-dihydromethyl propionic acid, alkenyl succinic anhydride, continue insulation reaction 50-60 minute, add above-mentioned diethylene glycol, insulation reaction 4-5 hour at 57-60 DEG C, it is cooled to room temperature, add above-mentioned triethylamine, stir, obtain rosin acid modified poly ester；
(8) above-mentioned rosin acid modified poly ester is joined in the deionized water of its weight 4-6 times, add above-mentioned water-dispersion type zinc oxide, ultrasonic 20-30 minute, mix with remaining each raw material, stir, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550756.2A CN106010215A (en) | 2016-07-13 | 2016-07-13 | Water-based nano polyester paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550756.2A CN106010215A (en) | 2016-07-13 | 2016-07-13 | Water-based nano polyester paint and preparation method thereof |
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| CN106010215A true CN106010215A (en) | 2016-10-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171299A (en) * | 2020-01-20 | 2020-05-19 | 湖南省林业科学院 | Preparation method of modified water-based alkyd resin, soybean-based adhesive and application of soybean-based adhesive in bamboo and wood particle boards |
| WO2020120837A1 (en) * | 2018-12-13 | 2020-06-18 | Premix Oy | Antimicrobial polymer composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020120837A1 (en) * | 2018-12-13 | 2020-06-18 | Premix Oy | Antimicrobial polymer composition |
| CN111171299A (en) * | 2020-01-20 | 2020-05-19 | 湖南省林业科学院 | Preparation method of modified water-based alkyd resin, soybean-based adhesive and application of soybean-based adhesive in bamboo and wood particle boards |
| CN111171299B (en) * | 2020-01-20 | 2021-12-14 | 湖南省林业科学院 | Preparation method of modified water-based alkyd resin, soybean-based adhesive and application of soybean-based adhesive in bamboo and wood particle boards |
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