CN112625565A - Triplecene derivative modified alkyd resin water-based paint - Google Patents
Triplecene derivative modified alkyd resin water-based paint Download PDFInfo
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- CN112625565A CN112625565A CN202011507569.9A CN202011507569A CN112625565A CN 112625565 A CN112625565 A CN 112625565A CN 202011507569 A CN202011507569 A CN 202011507569A CN 112625565 A CN112625565 A CN 112625565A
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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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Abstract
The invention relates to a triptycene derivative modified alkyd resin water-based paint which comprises the following components in parts by weight: 40.0-70.0 parts of triptycene derivative modified waterborne alkyd resin, 10.0-35.0 parts of fluorine-silicon modified waterborne alkyd resin, 0.0-25.0 parts of waterborne nano color paste, 0.8-2.5 parts of auxiliary agent, 0.3-0.8 part of pH regulator, 1.5-5.0 parts of attapulgite, 3.5-8.0 parts of anti-freezing agent and 10.0-30.0 parts of deionized water; the triptycene derivative modified alkyd resin water-based paint prepared by the invention does not need additional bactericide and adsorbent; the coating has the advantages of simple and easily-obtained raw materials, strong adhesive force, good fullness, strong corrosion resistance and the like, and has stable structure, lasting performance, good antibacterial performance and adsorption capacity.
Description
Technical Field
The invention relates to a modified alkyd resin coating, in particular to a triptycene derivative modified alkyd resin water-based coating, and belongs to the technical field of water-based functional coatings.
Background
The alkyd resin coating is used as a main film forming substance of traditional mixed paint, wood paint and enamel paint, and the coating produced by synthesizing alkyd resin from common raw materials.
With the economic development, the population increase and the living standard improvement, the demand of commercial housing is increasing, and people pay more and more attention to their health. In recent years, reports about the relationship between indoor air pollution after new decoration and the incidence rate of leukemia are also frequently found in the medium. Therefore, people pay more and more attention to the environmental protection of the decoration materials during decoration, and during the indoor decoration process, wood boards, glue, wall coatings and furniture contain more or less harmful substances such as formaldehyde, benzene series and the like, and the harmful substances are gradually emitted in years or even tens of years after decoration, so that the health of human bodies is affected.
The related data show that the indoor air pollution is 5-10 times higher than that of the outdoor air, and the indoor air pollution is more than 500. Indoor air pollution has become a cause of various diseases, and formaldehyde is a main aspect of indoor air pollution. The problem of formaldehyde pollution is mainly concentrated in living rooms, textiles and food. Artificial boards such as plywood, fiber board and particle board in room decoration materials and furniture contain a large amount of urea-formaldehyde resin mainly containing formaldehyde, and various paints and coatings contain formaldehyde.
At present, the main methods for removing harmful gases such as formaldehyde and the like are ventilation and physical adsorption; many manufacturers produce the adsorbent, but the effect is not ideal, the environment is not protected enough, and secondary pollution is easy to happen; meanwhile, the traditional adsorbent has low quality and low cyclic utilization rate.
Disclosure of Invention
In order to solve the technical problems existing at present, the invention aims to provide a triptycene derivative modified alkyd resin water-based paint.
The triptycene has a unique three-dimensional rigid structure and is composed of 3 benzene rings through bridging carbon atoms, the compound has 3 open electron-rich cavities, the introduction of the triptycene structure can also improve the ordering of the molecular arrangement of the material and the extensibility in space.
The triptycene derivative modified alkyd resin water-based paint disclosed by the invention adopts the triptycene derivative modified water-based alkyd resin as a main film-forming substance, and the triptycene derivative modified water-based alkyd resin has good sterilization and antibacterial properties and good adsorption performance.
The invention relates to a triptycene derivative modified alkyd resin water-based paint which comprises the following components in parts by weight: 40.0-70.0 parts of triptycene derivative modified waterborne alkyd resin, 10.0-35.0 parts of fluorine-silicon modified waterborne alkyd resin, 0.0-25.0 parts of waterborne nano color paste, 0.8-2.5 parts of auxiliary agent, 0.3-0.8 part of pH regulator, 1.5-5.0 parts of attapulgite, 3.5-8.0 parts of anti-freezing agent and 10.0-30.0 parts of deionized water.
The triptycene derivative modified waterborne alkyd resin comprises the components of vegetable oleic acid, triptycene derivatives, carboxylated polyvinyl alcohol, polybasic acid, polyhydric alcohol, tartaric acid, dimethylbenzene, 2-hydroxychalcone, benzoic acid, dimethylolpropionic acid, mixed liquor, a neutralizing agent and deionized water.
The pH regulator is one or a combination of more of AMP-95, sodium bicarbonate, sodium carbonate and triethylamine.
The auxiliary agent is at least four of 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 triptycene derivative modified waterborne alkyd resin comprises the following components in parts by weight: 100.0-200.0 parts of vegetable oleic acid, 20.0-45.0 parts of triptycene derivative, 15.0-35.0 parts of carboxylated polyvinyl alcohol, 80.0-175.0 parts of polybasic acid, 100.0-220.0 parts of polyalcohol, 5.0-20.0 parts of tartaric acid, 40.0-100.0 parts of xylene, 25.0-75.0 parts of 2-hydroxy chalcone, 10.0-25.0 parts of benzoic acid, 12.0-30.0 parts of dimethylolpropionic acid, 24.0-56.0 parts of mixed solution, 18.0-40.0 parts of neutralizing agent and 450.0-1000.0 parts of deionized water.
The preparation method of the triptycene derivative modified waterborne alkyd resin comprises the following steps:
a) adding vegetable oleic acid and polyalcohol into a reactor according to the weight part of the formula, heating and vacuum dehydrating;
b) adding polybasic acid, dimethylolpropionic acid, tartaric acid, 2-hydroxy chalcone, carboxylated polyvinyl alcohol, triptycene derivative and xylene, and heating for dissolving;
c) introducing nitrogen for protection after stirring at low speed, wherein the introduction flow of the nitrogen needs to be moderate, and removing free water and oxygen in the reactor;
d) heating to 166-172 ℃, carrying out heat preservation stirring reaction for 2.0h, adding benzoic acid to carry out partial end capping and molecular weight control, heating to 180 ℃, carrying out heat preservation reaction for 2.0h, heating to 210-225 ℃ at the speed of 24 ℃/h, carrying out heat preservation reaction for 2.0h, measuring the acid value every 20min, and when the acid value reaches the design value (water generated in the reaction generation process at the stage is timely separated out by a water separator);
e) stopping reaction, cooling, removing dimethylbenzene in vacuum, recovering dimethylbenzene, adding the mixed solution, stirring and dispersing uniformly, reducing viscosity, cooling, adding a neutralizing agent, dispersing uniformly, adding deionized water with the formula amount, continuously stirring and dispersing uniformly, and filtering to obtain the triptycene derivative modified waterborne alkyd resin.
The triptycene derivative modified waterborne alkyd resin is based on the invention patent of application, namely 'triptycene derivative modified waterborne alkyd resin and a preparation method thereof', and is described in detail.
The triptycene derivative modified alkyd resin water-based paint prepared by the invention does not need additional bactericide and adsorbent; the triptycene derivative modified alkyd resin water-based paint prepared by the invention has the advantages of simple and easily available raw materials, strong adhesive force, good fullness, strong corrosion resistance and the like, and has stable structure, lasting performance, good antibacterial performance and adsorption capacity.
Detailed Description
The present invention is further described with reference to the following examples of a triptycene derivative modified alkyd waterborne coating. 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 triptycene derivative modified waterborne alkyd resin A comprises the following components in parts by weight: 140.0 parts of refined castor oil, 38.0 parts of triptycene derivative, 18.0 parts of carboxylated polyvinyl alcohol, 143.0 parts of hexahydrophthalic anhydride, 60.0 parts of pentaerythritol, 80.0 parts of neopentyl glycol, 12.0 parts of tartaric acid, 65 parts of xylene, 45.0 parts of 2-hydroxychalcone, 18.0 parts of benzoic acid, 15.0 parts of dimethylolpropionic acid, 20.0 parts of propylene glycol butyl ether, 20.0 parts of propylene glycol methyl ether acetate, 16.0 parts of triethylamine and 810.0 parts of deionized water.
The preparation method of the triptycene derivative modified waterborne alkyd resin A in the embodiment comprises the following steps:
a) adding refined castor oil, pentaerythritol and neopentyl glycol in the weight portions of the formula into a reactor, heating and vacuum dehydrating;
b) adding hexahydrophthalic anhydride, dimethylol propionic acid, tartaric acid, 2-hydroxy chalcone, carboxylated polyvinyl alcohol, triptycene derivatives and xylene, and heating for dissolving;
c) introducing nitrogen for protection after stirring at low speed, wherein the introduction flow of the nitrogen needs to be moderate, and removing free water and oxygen in the reactor;
d) heating to 166-172 ℃, carrying out heat preservation stirring reaction for 2.0h, adding benzoic acid to carry out partial end capping and molecular weight control, heating to 180 ℃, carrying out heat preservation reaction for 2.0h, heating to 210-225 ℃ at the speed of 24 ℃/h, carrying out heat preservation reaction for 2.0h, measuring the acid value every 20min, and when the acid value reaches the design value (water generated in the reaction generation process at the stage is timely separated out by a water separator);
e) stopping reaction, cooling, removing dimethylbenzene in vacuum, recovering dimethylbenzene, then adding propylene glycol butyl ether and propylene glycol methyl ether acetate, stirring and dispersing uniformly, reducing viscosity, cooling, adding triethylamine, dispersing uniformly, adding deionized water with formula amount, continuously stirring and dispersing uniformly, and filtering to obtain the triptycene derivative modified waterborne alkyd resin A.
Example 2
A triptycene derivative modified waterborne alkyd resin B comprises the following components in parts by weight: 150.0 parts of soybean oil, 35.0 parts of triptycene derivative, 24.0 parts of carboxylated polyvinyl alcohol, 70.0 parts of acetic anhydride, 65.0 parts of terephthalic acid, 48.0 parts of trimethylolpropane, 70.0 parts of propylene glycol, 15.0 parts of tartaric acid, 68.0 parts of xylene, 60.0 parts of 2-hydroxychalcone, 18.0 parts of benzoic acid, 20.0 parts of dimethylolpropionic acid, 22.0 parts of propylene glycol butyl ether, 22.0 parts of propylene glycol methyl ether acetate, 15.0 parts of ammonia water and 790.0 parts of deionized water.
In this embodiment, a preparation method of triptycene derivative modified waterborne alkyd resin B includes the following steps:
a) adding soybean oil, trimethylolpropane and propylene glycol in the weight portions of the formula into a reactor, heating and vacuum dehydrating;
b) adding acetic anhydride, terephthalic acid, dimethylolpropionic acid, tartaric acid, 2-hydroxy chalcone, carboxylated polyvinyl alcohol, triptycene derivative and xylene, and heating for dissolving;
c) introducing nitrogen for protection after stirring at low speed, wherein the introduction flow of the nitrogen needs to be moderate, and removing free water and oxygen in the reactor;
d) heating to 166-172 ℃, carrying out heat preservation stirring reaction for 2.0h, adding benzoic acid to carry out partial end capping and molecular weight control, heating to 180 ℃, carrying out heat preservation reaction for 2.0h, heating to 210-225 ℃ at the speed of 24 ℃/h, carrying out heat preservation reaction for 2.0h, measuring the acid value every 20min, and when the acid value reaches the design value (water generated in the reaction generation process at the stage is timely separated out by a water separator);
e) stopping reaction, cooling, removing dimethylbenzene in vacuum, recovering dimethylbenzene, then adding propylene glycol butyl ether and propylene glycol methyl ether acetate, stirring and dispersing uniformly, reducing viscosity, cooling, adding ammonia water, dispersing uniformly, adding deionized water with formula amount, continuously stirring and dispersing uniformly, and filtering to obtain the triptycene derivative modified waterborne alkyd resin B.
Example 3
A triptycene derivative modified alkyd resin water-based paint comprises the following components in parts by weight: 60.0 parts of triptycene derivative modified waterborne alkyd resin A, 15.0 parts of fluorosilicone modified waterborne alkyd resin, 0.5 part of sodium bicarbonate, 3.0 parts of attapulgite, 4.0 parts of ethylene glycol, 0.3 part of wetting agent, 0.3 part of dispersing agent, 0.4 part of defoaming agent, 0.2 part of flatting agent and 20.0 parts of deionized water.
Example 4
A triptycene derivative modified alkyd resin water-based paint comprises the following components in parts by weight: 50.0 parts of triptycene derivative modified waterborne alkyd resin B, 20.0 parts of fluorosilicone modified waterborne alkyd resin, 5.0 parts of waterborne nano color paste, 0.3 part of wetting agent, 0.4 part of dispersing agent, 0.5 part of defoaming agent, 0.3 part of flatting agent, 0.4 part of thickening agent, 0.6 part of triethylamine, 4.0 parts of attapulgite, 5.6 parts of glycerol and 25.0 parts of deionized water.
The inventive examples were tested according to the relevant standards for their performance index with a conventional waterborne alkyd coating (comparative example 1) and the 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;
water resistance: detecting according to the regulation of GB/T1733-93;
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
| Detecting items | Example 3 | Coating 4 | Comparative example 1 |
| Water resistance/480 h | Is normal | Is normal | Foaming and whitening |
| Hardness of | H | H | B |
| Resistance to salt fog | 840h | 760h | 240h |
| Filiform corrosion | Light and slight | Light and slight | Severe severity of disease |
| Antibacterial property (Escherichia coli) | 99.72％ | 99.56％ | 42.56％ |
| Contact angle | 120° | 128° | 70° |
It can be seen from table 1 that the salt spray resistance, filiform corrosion resistance, water resistance and other properties of the sample of the embodiment of the present invention exceed those of the conventional aqueous alkyd resin coating, and the contact angle of the sample of the embodiment of the present invention is greater than 90 °, which indicates that the triptycene derivative modified alkyd resin aqueous coating prepared by the embodiment of the present invention has low surface tension, has "lotus leaf effect", good stain resistance, and self-cleaning capability, and simultaneously has an antibacterial property (escherichia coli) of greater than 99.5%, while the antibacterial property of the conventional aqueous alkyd resin coating is only 42.56%, which indicates that the triptycene derivative modified alkyd resin of the present invention has good antibacterial property.
And (3) testing the adsorption performance:
for 2 newly-decorated experimental houses with the same size, each house is 50m2Example 3 according to the invention and a commercially available coating were applied separately and sealed for 48h before air quality testing:
the initial measured formaldehyde concentration for a house was 2.22mg/m3The concentration of benzene was 1.54mg/m3The concentration of carbon monoxide is 42.1mg/m3。
Then the inventive sample example 3 was applied with paint to check air quality:
the concentration of formaldehyde is 0.02mg/m3The concentration of benzene was 0.03mg/m3The concentration of carbon monoxide is 5.6mg/m3。
The initial measured formaldehyde concentration of the other house was 2.41mg/m3The concentration of benzene was 1.42mg/m3The concentration of carbon monoxide was 39.1mg/m3。
Air quality was checked in laboratory houses coated with commercial coatings:
the concentration of formaldehyde is 0.97mg/m3The concentration of benzene was 0.89mg/m3The concentration of carbon monoxide is 17.2mg/m3。
According to the detection results, the triptycene derivative modified alkyd resin water-based paint prepared by the invention has a good adsorption function.
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 (6)
1. A triptycene derivative modified alkyd resin water-based paint is characterized in that: the triptycene derivative modified alkyd resin water-based paint comprises the following components in parts by weight: 40.0-70.0 parts of triptycene derivative modified waterborne alkyd resin, 10.0-35.0 parts of fluorine-silicon modified waterborne alkyd resin, 0.0-25.0 parts of waterborne nano color paste, 0.8-2.5 parts of auxiliary agent, 0.3-0.8 part of pH regulator, 1.5-5.0 parts of attapulgite, 3.5-8.0 parts of anti-freezing agent and 10.0-30.0 parts of deionized water;
the triptycene derivative modified waterborne alkyd resin comprises the components of vegetable oleic acid, triptycene derivatives, carboxylated polyvinyl alcohol, polybasic acid, polyhydric alcohol, tartaric acid, dimethylbenzene, 2-hydroxychalcone, benzoic acid, dimethylolpropionic acid, mixed liquor, a neutralizing agent and deionized water.
2. The triptycene derivative modified alkyd waterborne coating of claim 1, wherein: the triptycene derivative modified waterborne alkyd resin comprises the following components in parts by weight: 100.0-200.0 parts of vegetable oleic acid, 20.0-45.0 parts of triptycene derivative, 15.0-35.0 parts of carboxylated polyvinyl alcohol, 80.0-175.0 parts of polybasic acid, 100.0-220.0 parts of polyalcohol, 5.0-20.0 parts of tartaric acid, 40.0-100.0 parts of xylene, 25.0-75.0 parts of 2-hydroxy chalcone, 10.0-25.0 parts of benzoic acid, 12.0-30.0 parts of dimethylolpropionic acid, 24.0-56.0 parts of mixed solution, 18.0-40.0 parts of neutralizing agent and 450.0-1000.0 parts of deionized water.
3. The triptycene derivative modified alkyd waterborne coating of claim 1, wherein: the pH regulator is one or a combination of more of AMP-95, sodium bicarbonate, sodium carbonate and triethylamine.
4. The triptycene derivative modified alkyd waterborne coating of claim 1, wherein: the auxiliary agent is at least four of wetting agent, dispersing agent, defoaming agent, thickening agent, flatting agent and anti-sagging agent.
5. The triptycene derivative modified alkyd waterborne coating of claim 1, wherein: the antifreezing agent is one or a combination of more of ethylene glycol, propylene glycol and glycerol.
6. The triptycene derivative modified alkyd waterborne coating of claim 1, wherein: the preparation process of the triptycene derivative modified waterborne alkyd resin comprises the following steps:
a) adding vegetable oleic acid and polyalcohol into a reactor according to the weight part of the formula, heating and vacuum dehydrating;
b) adding polybasic acid, dimethylolpropionic acid, tartaric acid, 2-hydroxy chalcone, carboxylated polyvinyl alcohol, triptycene derivative and xylene, and heating for dissolving;
c) introducing nitrogen for protection after stirring at low speed, wherein the introduction flow of the nitrogen needs to be moderate, and removing free water and oxygen in the reactor;
d) heating to 166-172 ℃, carrying out heat preservation stirring reaction for 2.0h, adding benzoic acid to carry out partial end capping and molecular weight control, heating to 180 ℃, carrying out heat preservation reaction for 2.0h, heating to 210-225 ℃ at the speed of 24 ℃/h, carrying out heat preservation reaction for 2.0h, measuring the acid value every 20min, and when the acid value reaches the design value (water generated in the reaction generation process at the stage is timely separated out by a water separator);
e) stopping reaction, cooling, removing dimethylbenzene in vacuum, recovering dimethylbenzene, adding the mixed solution, stirring and dispersing uniformly, reducing viscosity, cooling, adding a neutralizing agent, dispersing uniformly, adding deionized water with the formula amount, continuously stirring and dispersing uniformly, and filtering to obtain the triptycene derivative modified waterborne alkyd resin.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114181597A (en) * | 2021-12-02 | 2022-03-15 | 合众（佛山）化工有限公司 | Self-antibacterial alkyd resin water-based anticorrosive paint |
| CN116003820A (en) * | 2023-02-15 | 2023-04-25 | 山东大学 | Palladium porphyrin and triptycene-based porous organic polymer, and preparation method and application thereof |
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| CN116003820A (en) * | 2023-02-15 | 2023-04-25 | 山东大学 | Palladium porphyrin and triptycene-based porous organic polymer, and preparation method and application thereof |
| CN116003820B (en) * | 2023-02-15 | 2023-12-19 | 山东大学 | Palladium porphyrin and triptycene-based porous organic polymer, and preparation method and application thereof |
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