CN114181597A - Self-antibacterial alkyd resin water-based anticorrosive paint - Google Patents
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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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
- 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
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
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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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
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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
- C09D5/08—Anti-corrosive paints
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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
- 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
Abstract
The invention relates to a self-antibacterial alkyd resin waterborne anticorrosive coating which comprises the following components in parts by weight: 60.0-100.0 parts of hydroxyl porphyrin derivative modified waterborne alkyd resin, 0.0-20.0 parts of waterborne nano color paste, 1.5-3.5 parts of auxiliary agent, 3.0-6.0 parts of polyacrylamide, 2.5-5.0 parts of methyl potassium silicate, 3.0-10.0 parts of sodium sulfate transparent powder, 0.0-30.0 parts of titanium dioxide, 4.0-8.0 parts of anti-freezing agent and 10.0-30.0 parts of deionized water; the self-antibacterial alkyd resin water-based anticorrosive coating prepared by the invention takes hydroxyl porphyrin derivative-containing modified water-based alkyd resin as a main film-forming substance, does not need an antibacterial agent and an anticorrosive agent, and has good anticorrosive property and antibacterial property; meanwhile, the coating has the characteristics of good fullness, good salt spray resistance, high hardness, low surface tension, difficult attachment of pollutants on the surface and the like.
Description
Technical Field
The invention relates to a modified alkyd resin coating, in particular to a self-antibacterial alkyd resin water-based anticorrosive coating, and belongs to the technical field of water-based functional coatings.
Background
The alkyd resin coating has the characteristics of good adhesive force, brightness and the like, and is convenient to construct. The alkyd resin coating is one of main coating varieties used for protecting iron members at present, but a coating film is soft, and is poor in water resistance and alkali resistance, and a conventional alkyd resin coating cannot achieve a good anti-corrosion effect.
The corrosion problem of the power transmission and distribution iron tower as a carbon steel structural part is serious, and the iron tower is generally protected by hot dip galvanizing and coating protection technologies at home and abroad at present. However, the results show that: effective protection over a long period of time is difficult to achieve with a single hot dip galvanising or paint coating approach. At present, not only chemical corrosion, but also microbial corrosion is an important research hotspot in the field of corrosion prevention.
Chinese patent CN103555159A discloses an alkyd resin anticorrosive paint, which is characterized in that: comprising A, B two components: wherein the component A comprises: linseed oil, phthalic anhydride, glycerol, pentaerythritol, Ca-Al phosphosilicate, titanium dioxide, barium sulfate and mica, wherein the component B comprises the following components: xylene, after adopting this technical scheme, can effectual solution current anticorrosive coating because be rich in zinc and phosphate cause environmental pollution, its anticorrosive effect mainly by Ca-Al phosphosilicate, but it adds as the filler, has the dispersion inequality, risks such as easy dropout.
Chinese patent CN106833248A discloses a graphene modified fluoroalcohol resin aqueous anticorrosive paint, which comprises the components of graphene modified aqueous fluoroalcohol resin, a thickening and leveling agent, propylene glycol monobutyl ether, a dispersing agent, a film forming auxiliary agent, a defoaming agent and a wetting agent; the graphene modified waterborne fluoroalkyd resin is prepared by reacting vegetable oil fatty acid, organic acid anhydride, polyol, polybasic acid, a fluorine-containing monomer, dimethylolpropionic acid, polyisocyanate, a neutralizing agent, graphene, an acrylic monomer and deionized water; the method mainly solves the problem of electrochemical corrosion and has certain limitation.
The existing anticorrosive coating has single anticorrosive performance and is difficult to overcome microbial corrosion and other corrosion resistance, so that the development of a self-antibacterial water-based anticorrosive coating meets the requirement of social development.
Disclosure of Invention
In order to solve the technical problems existing at present, the invention aims to provide a self-antibacterial alkyd resin water-based anticorrosive coating.
The hydroxyl porphyrin derivative-containing modified waterborne alkyd resin is used as a main film forming substance, the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin is obtained by grafting a hydroxyl porphyrin derivative-containing onto a branched chain of the waterborne alkyd resin through a chemical bond, porphyrin can form a complex with metal ions, so that the metal ions on the metal surface can be protected, and a coating can form a compact protective film.
The invention relates to a self-antibacterial alkyd resin waterborne anticorrosive coating which comprises the following components in parts by weight: 60.0-100.0 parts of hydroxyl porphyrin derivative modified waterborne alkyd resin, 0.0-20.0 parts of waterborne nano color paste, 1.5-3.5 parts of auxiliary agent, 3.0-6.0 parts of polyacrylamide, 2.5-5.0 parts of methyl potassium silicate, 3.0-10.0 parts of sodium sulfate transparent powder, 0.0-30.0 parts of titanium dioxide, 4.0-8.0 parts of anti-freezing agent and 10.0-30.0 parts of deionized water.
The hydroxyl-containing porphyrin derivative modified waterborne alkyd resin comprises unsaturated fatty acid, hydroxyl-containing porphyrin derivative, 3-phenyl acrylic acid, organic acid anhydride, polybasic acid, polyalcohol, dimethylbenzene, dimethylolpropionic acid, an ultraviolet absorbent, a film forming aid, a neutralizer and deionized water.
The auxiliary agent is at least one of pH regulator, wetting agent, dispersing agent, defoaming agent, thickening agent, flatting agent and anti-sagging agent.
The antifreezing agent is one or a combination of more of ethylene glycol, propylene glycol and glycerol.
The hydroxyl porphyrin derivative-containing modified waterborne alkyd resin comprises the following components in parts by weight: 60.0-100.0 parts of unsaturated fatty acid, 5.0-10.0 parts of hydroxyl-containing porphyrin derivative, 5.0-8.0 parts of 3-phenyl acrylic acid, 30.0-60.0 parts of organic acid anhydride, 30.0-50.0 parts of polybasic acid, 60.0-130.0 parts of polyhydric alcohol, 15.0-30.0 parts of xylene, 8.0-15.0 parts of dimethylolpropionic acid, 0.4-0.8 part of ultraviolet absorbent, 14.0-22.0 parts of film forming additive, 6.0-16.0 parts of neutralizer and 250.0-500.0 parts of deionized water; wherein, the porphyrin derivative containing hydroxyl is prepared by pyrrole, hydroxycitronellal and benzaldehyde through chemical reaction.
The unsaturated fatty acid is one or the combination of two of refined linseed oil and refined castor oil.
The organic acid anhydride is one or a combination of more of phthalic anhydride, hexahydrophthalic anhydride, acetic anhydride and maleic anhydride.
The polybasic acid is one or a combination of more of sebacic acid, cyclopentane-1, 2-dicarboxylic acid, oxalic acid, adipic acid and azelaic acid.
The film-forming additive is one or a combination of a plurality of alcohol ester dodeca, propylene glycol phenyl ether, cetyl alcohol ester, dipropylene glycol butyl ether and propylene glycol methyl ether acetate.
The polyalcohol is one or more of neopentyl glycol, propylene glycol, 1, 4-butanediol, 1, 4-cyclohexanedimethanol, diethylene glycol, trimethylolpropane, glycerol and pentaerythritol.
The neutralizing agent is at least one of triethylamine, ammonia water and dimethylethanolamine.
In order to achieve the second object of the invention, the following method is adopted, and the invention provides a preparation method of hydroxyl porphyrin derivative-containing modified waterborne alkyd resin, which comprises the following steps:
a) sequentially adding unsaturated fatty acid, organic acid anhydride, polybasic acid, polyalcohol, dimethylolpropionic acid, ultraviolet absorbent and dimethylbenzene according to the weight part of the formula in a reactor, and heating for dissolving;
b) then heating to 156-160 ℃, keeping the temperature, stirring, reacting for 2.0h, adding 3-phenyl acrylic acid to control the molecular weight, heating to 180 ℃, keeping the temperature, reacting for 2.0h, adding a hydroxyl-containing porphyrin derivative, heating to 224-230 ℃ at the speed of 20 ℃/h, keeping the temperature, reacting for 1.0h, measuring the acid value every 15min, and when the acid value reaches the design value;
c) stopping reaction, distilling under reduced pressure to remove xylene, cooling, adding a film-forming aid, stirring and dispersing uniformly and reducing viscosity, adding a neutralizing agent under the stirring condition, dispersing uniformly, adding deionized water with the formula amount, continuing stirring and dispersing, and filtering to obtain the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin.
The hydroxyl-containing porphyrin derivative modified waterborne alkyd resin is based on the applied invention patent of 'hydroxyl-containing porphyrin derivative modified waterborne alkyd resin and a preparation method thereof', and is described in detail.
The invention has the following innovation points and advantages:
1) the self-antibacterial alkyd resin water-based anticorrosive paint prepared by the invention takes hydroxyl-containing porphyrin derivative modified water-based alkyd resin as a main film-forming substance, and the hydroxyl-containing porphyrin derivative is grafted on a branched chain of the water-based alkyd resin and is connected through chemical bonds, so that the self-antibacterial alkyd resin water-based anticorrosive paint is stable in structure, not easy to separate and lasting in performance;
2) the self-antibacterial alkyd resin waterborne anticorrosive coating prepared by the invention does not need an additional antibacterial agent and an anticorrosive agent, and has good anticorrosive property and antibacterial property; the self-antibacterial alkyd resin water-based anticorrosive coating prepared by the invention has the characteristics of good fullness, good salt spray resistance, high hardness and the like;
3) and the introduction of the methyl potassium silicate effectively reduces the surface tension of the coating, the pollutants are difficult to attach to the surface, and the protection time of a paint film is effectively prolonged.
Detailed Description
The present invention is further described with reference to the following examples in which a self-antibacterial alkyd waterborne corrosion coating is described. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention.
Example 1
A hydroxyl porphyrin derivative-containing modified waterborne alkyd resin X comprises the following components in parts by weight: 60.0 parts of refined linseed oil, 7.0 parts of porphyrin derivative containing hydroxyl, 8.0 parts of 3-phenyl acrylic acid, 60.0 parts of hexahydrophthalic anhydride, 45.0 parts of adipic acid, 60.0 parts of neopentyl glycol, 30.0 parts of trimethylolpropane, 22.0 parts of xylene, 9.5 parts of dimethylolpropionic acid, 0.6 part of ultraviolet absorbent, 17.0 parts of alcohol ester dodeca, 8.0 parts of ammonia water and 380.0 parts of deionized water.
The preparation method of the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin X in the embodiment comprises the following steps:
a) adding refined linseed oil, hexahydrophthalic anhydride, adipic acid, neopentyl glycol, trimethylolpropane, dimethylolpropionic acid, an ultraviolet absorbent and dimethylbenzene in a reactor according to the weight part of the formula in sequence, and heating for dissolving;
b) then heating to 156-160 ℃, keeping the temperature, stirring, reacting for 2.0h, adding 3-phenyl acrylic acid to control the molecular weight, heating to 180 ℃, keeping the temperature, reacting for 2.0h, adding a hydroxyl-containing porphyrin derivative, heating to 224-230 ℃ at the speed of 20 ℃/h, keeping the temperature, reacting for 1.0h, measuring the acid value every 15min, and when the acid value reaches the design value;
c) stopping reaction, distilling under reduced pressure to remove xylene, cooling, adding alcohol ester twelve, stirring and dispersing uniformly, reducing viscosity, adding ammonia water under stirring, dispersing uniformly, adding deionized water with the formula amount, continuing stirring and dispersing, and filtering to obtain the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin X.
Example 2
A hydroxyl porphyrin derivative-containing modified waterborne alkyd resin Y comprises the following components in parts by weight: 80.0 parts of refined castor oil, 8.0 parts of porphyrin derivative containing hydroxyl, 6.5 parts of 3-phenyl acrylic acid, 15.0 parts of hexahydrophthalic anhydride, 40.0 parts of acetic anhydride, 10.0 parts of cyclopentane-1, 2-dicarboxylic acid, 30.0 parts of oxalic acid, 50.0 parts of 1, 4-butanediol, 20.0 parts of pentaerythritol, 25.0 parts of xylene, 10.0 parts of dimethylolpropionic acid, 0.6 part of ultraviolet absorbent, 19.0 parts of propylene glycol phenyl ether, 9.5 parts of triethylamine and 420.0 parts of deionized water.
The preparation method of the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin Y in the embodiment comprises the following steps:
a) adding refined castor oil, hexahydrophthalic anhydride, acetic anhydride, cyclopentane-1, 2-dicarboxylic acid, oxalic acid, 1, 4-butanediol, pentaerythritol, dimethylol propionic acid, ultraviolet absorbent and xylene in a reactor according to the weight part of the formula in turn, and heating for dissolving;
b) then heating to 156-160 ℃, keeping the temperature, stirring, reacting for 2.0h, adding 3-phenyl acrylic acid to control the molecular weight, heating to 180 ℃, keeping the temperature, reacting for 2.0h, adding a hydroxyl-containing porphyrin derivative, heating to 224-230 ℃ at the speed of 20 ℃/h, keeping the temperature, reacting for 1.0h, measuring the acid value every 15min, and when the acid value reaches the design value;
c) stopping reaction, distilling under reduced pressure to remove xylene, cooling, adding propylene glycol phenyl ether, stirring and dispersing uniformly and reducing viscosity, adding triethylamine under the stirring condition, dispersing uniformly, adding deionized water with the formula amount, continuing stirring and dispersing, and filtering to obtain the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin Y.
Comparative example 1
A conventional waterborne alkyd resin A comprises the following components in parts by weight: 80.0 parts of refined linseed oil, 7.0 parts of 3-phenyl acrylic acid, 30.0 parts of phthalic anhydride, 13.0 parts of acetic anhydride, 12.0 parts of sebacic acid, 22.0 parts of cyclopentane-1, 2-dicarboxylic acid, 60.0 parts of propylene glycol, 18.0 parts of pentaerythritol, 20.0 parts of xylene, 12.0 parts of dimethylolpropionic acid, 0.6 part of ultraviolet absorbent, 18.0 parts of propylene glycol phenyl ether, 11.0 parts of triethylamine and 390.0 parts of deionized water.
In this embodiment, a preparation method of a conventional waterborne alkyd resin a includes the following steps:
a) adding refined linseed oil, phthalic anhydride, acetic anhydride, sebacic acid, cyclopentane-1, 2-dicarboxylic acid, propylene glycol, pentaerythritol, dimethylolpropionic acid, an ultraviolet absorbent and xylene in a reactor according to the weight part of the formula in sequence, and heating for dissolving;
b) then heating to 156-160 ℃, keeping the temperature, stirring, reacting for 2.0h, adding 3-phenyl acrylic acid to control the molecular weight, heating to 180 ℃, keeping the temperature, reacting for 2.0h, heating to 224-230 ℃ at the speed of 20 ℃/h, keeping the temperature, reacting for 1.0h, measuring the acid value every 15min, and when the acid value reaches the design value;
c) stopping reaction, distilling under reduced pressure to remove xylene, cooling, adding propylene glycol phenyl ether, stirring and dispersing uniformly and reducing viscosity, adding triethylamine under the stirring condition, dispersing uniformly, adding deionized water with the formula amount, continuing stirring and dispersing, and filtering to obtain the conventional water-based alkyd resin A.
Example 3
A self-antibacterial alkyd resin waterborne anticorrosive coating comprises the following components in parts by weight: 60.0 parts of hydroxyl porphyrin derivative modified waterborne alkyd resin X, 20.0 parts of waterborne nano color paste, 0.5 part of pH regulator, 0.4 part of wetting agent, 0.8 part of dispersing agent, 0.3 part of defoaming agent, 0.5 part of flatting agent, 5.0 parts of polyacrylamide, 4.0 parts of methyl potassium silicate, 7.0 parts of sodium sulfate transparent powder, 25.0 parts of titanium pigment, 6.0 parts of ethylene glycol and 20.0 parts of deionized water.
Example 4
A self-antibacterial alkyd resin waterborne anticorrosive coating comprises the following components in parts by weight: 85.0 parts of hydroxyl porphyrin derivative-containing modified waterborne alkyd resin Y, 0.3 part of wetting agent, 0.4 part of thickening agent, 0.4 part of flatting agent, 0.2 part of defoaming agent, 4.0 parts of polyacrylamide, 5.0 parts of methyl potassium silicate, 5.0 parts of sodium sulfate transparent powder, 7.0 parts of propylene glycol and 15.0 parts of deionized water.
Comparative example 2
A self-antibacterial alkyd resin waterborne anticorrosive coating comprises the following components in parts by weight: 80.0 parts of water-based alkyd resin A, 10.0 parts of water-based nano color paste, 0.5 part of pH regulator, 0.3 part of wetting agent, 0.6 part of dispersing agent, 0.3 part of defoaming agent, 0.2 part of anti-sagging agent, 0.4 part of flatting agent, 4.5 parts of polyacrylamide, 3.5 parts of methyl potassium silicate, 3.0 parts of sodium sulfate transparent powder, 15.0 parts of titanium pigment, 6.0 parts of glycerol and 18.0 parts of deionized water.
Comparative example 3
A self-antibacterial alkyd resin waterborne anticorrosive coating comprises the following components in parts by weight: 75.0 parts of hydroxyl porphyrin derivative modified waterborne alkyd resin X, 8.0 parts of waterborne nano color paste, 0.4 part of pH regulator, 0.5 part of wetting agent, 0.6 part of dispersing agent, 0.3 part of defoaming agent, 0.5 part of flatting agent, 5.5 parts of polyacrylamide, 4.5 parts of sodium sulfate transparent powder, 10.0 parts of titanium pigment, 6.0 parts of ethylene glycol and 14.0 parts of deionized water.
According to the relevant standards, the performance index test was performed on example 3, example 4, comparative example 2 and comparative example 3 of the present invention, and the test results are shown in table 1.
Wherein, filiform corrosion: detecting according to the regulation of (GB/T13452.4-92);
hardness: detecting according to the regulation of GB/T6739-2006;
salt spray resistance: detecting according to the regulation of GB/T1771-1991;
and (3) antibacterial property: detecting according to the regulation of HG/T3950-2007 antimicrobial paint;
contact angle: detection was carried out according to the regulations of GB/T30693-2014.
Table 1: performance specification of coating
It can be seen from table 1 that the salt spray resistance, filiform corrosion resistance, antibacterial property, etc. of the samples of examples 3, 4 and 3 of the present invention are much better than those of comparative example 2, which indicates that the addition of the hydroxyl-containing porphyrin derivative modified waterborne alkyd resin can effectively improve the salt spray resistance, filiform corrosion resistance, acid spray resistance and antibacterial property of the coating film.
The contact angles of the samples of the embodiment 3, the embodiment 4 and the comparative example 2 are obviously larger than that of the paint film of the comparative example 3, which shows that the surface tension of the paint film of the system can be effectively improved by adding the potassium methylsilicate, and the paint film has the lotus effect, good stain resistance and self-cleaning capability.
Meanwhile, the filiform corrosion of the embodiment 3 and the embodiment 4 of the invention is slightly better than that of the comparative example 3, which shows that the addition of the hydroxyl-containing porphyrin derivative modified waterborne alkyd resin and the methyl potassium silicate has a certain synergistic effect on the filiform corrosion resistance of a paint film, no film-forming substance needs to be added, and the fullness of the two embodiments and the two comparative examples is very good, which shows that the addition of the film-forming assistant during the preparation of the film-forming substance can not only reduce the viscosity and improve the dispersion performance, but also effectively improve the fullness of the paint film.
The foregoing description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed; it will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (3)
1. A self-antibacterial alkyd resin waterborne anticorrosive paint is characterized in that: the self-antibacterial alkyd resin waterborne anticorrosive coating comprises the following components in parts by weight: 60.0-100.0 parts of hydroxyl porphyrin derivative modified waterborne alkyd resin, 0.0-20.0 parts of waterborne nano color paste, 1.5-3.5 parts of auxiliary agent, 3.0-6.0 parts of polyacrylamide, 2.5-5.0 parts of methyl potassium silicate, 3.0-10.0 parts of sodium sulfate transparent powder, 0.0-30.0 parts of titanium dioxide, 4.0-8.0 parts of anti-freezing agent and 10.0-30.0 parts of deionized water;
the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin comprises the following components in parts by weight: 60.0-100.0 parts of unsaturated fatty acid, 5.0-10.0 parts of hydroxyl-containing porphyrin derivative, 5.0-8.0 parts of 3-phenyl acrylic acid, 30.0-60.0 parts of organic acid anhydride, 30.0-50.0 parts of polybasic acid, 60.0-130.0 parts of polyhydric alcohol, 15.0-30.0 parts of xylene, 8.0-15.0 parts of dimethylolpropionic acid, 0.4-0.8 part of ultraviolet absorbent, 14.0-22.0 parts of film forming additive, 6.0-16.0 parts of neutralizer and 250.0-500.0 parts of deionized water; the porphyrin derivative containing hydroxyl is prepared by pyrrole, hydroxycitronellal and benzaldehyde through chemical reaction; the preparation method of the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin comprises the following steps:
a) sequentially adding unsaturated fatty acid, organic acid anhydride, polybasic acid, polyalcohol, dimethylolpropionic acid, ultraviolet absorbent and dimethylbenzene according to the weight part of the formula in a reactor, and heating for dissolving;
b) then heating to 156-160 ℃, keeping the temperature, stirring, reacting for 2.0h, adding 3-phenyl acrylic acid to control the molecular weight, heating to 180 ℃, keeping the temperature, reacting for 2.0h, adding a hydroxyl-containing porphyrin derivative, heating to 224-230 ℃ at the speed of 20 ℃/h, keeping the temperature, reacting for 1.0h, measuring the acid value every 15min, and when the acid value reaches the design value;
c) stopping reaction, distilling under reduced pressure to remove xylene, cooling, adding a film-forming aid, stirring and dispersing uniformly and reducing viscosity, adding a neutralizing agent under the stirring condition, dispersing uniformly, adding deionized water with the formula amount, continuing stirring and dispersing, and filtering to obtain the hydroxyl porphyrin derivative-containing modified waterborne alkyd resin.
2. The self-antibacterial alkyd waterborne anticorrosion coating of claim 1, wherein: the auxiliary agent is at least one of pH regulator, wetting agent, dispersing agent, defoaming agent, thickening agent, flatting agent and anti-sagging agent.
3. The self-antibacterial alkyd waterborne anticorrosion coating of claim 1, wherein: the antifreezing agent is one or a combination of more of ethylene glycol, propylene glycol and glycerol.
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1074461A (en) * | 1991-12-30 | 1993-07-21 | 澳大利亚国立大学 | Porphyrinogen resin system and polymkeric substance thereof |
US5360880A (en) * | 1990-07-06 | 1994-11-01 | The Australian National University | Polymerizable porphyrins |
CN110114420A (en) * | 2017-10-23 | 2019-08-09 | 株式会社Lg化学 | Antibacterial polymer coating composition and antibacterial polymer film |
CN112368341A (en) * | 2019-01-31 | 2021-02-12 | 株式会社Lg化学 | Antimicrobial polymer coating composition and antimicrobial polymer film |
CN112625565A (en) * | 2020-12-18 | 2021-04-09 | 合众(佛山)化工有限公司 | Triplecene derivative modified alkyd resin water-based paint |
CN112646154A (en) * | 2020-12-18 | 2021-04-13 | 合众(佛山)化工有限公司 | Triplecene derivative modified waterborne alkyd resin and preparation method thereof |
-
2021
- 2021-12-02 CN CN202111463651.0A patent/CN114181597A/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5360880A (en) * | 1990-07-06 | 1994-11-01 | The Australian National University | Polymerizable porphyrins |
CN1074461A (en) * | 1991-12-30 | 1993-07-21 | 澳大利亚国立大学 | Porphyrinogen resin system and polymkeric substance thereof |
CN110114420A (en) * | 2017-10-23 | 2019-08-09 | 株式会社Lg化学 | Antibacterial polymer coating composition and antibacterial polymer film |
CN112368341A (en) * | 2019-01-31 | 2021-02-12 | 株式会社Lg化学 | Antimicrobial polymer coating composition and antimicrobial polymer film |
CN112625565A (en) * | 2020-12-18 | 2021-04-09 | 合众(佛山)化工有限公司 | Triplecene derivative modified alkyd resin water-based paint |
CN112646154A (en) * | 2020-12-18 | 2021-04-13 | 合众(佛山)化工有限公司 | Triplecene derivative modified waterborne alkyd resin and preparation method thereof |
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