CN110862521A - Self-antibacterial water-based alkyd resin for color correction and preparation method thereof - Google Patents
Self-antibacterial water-based alkyd resin for color correction and preparation method thereof Download PDFInfo
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- 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
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- 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
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Abstract
The invention relates to a self-antibacterial water-based alkyd resin for color correction and a preparation method thereof, wherein the self-antibacterial water-based alkyd resin comprises the following components in parts by weight: 10.0-22.0 parts of dry vegetable oil, 12.0-32.0 parts of organic acid anhydride, 4.0-8.0 parts of hydroxyl Schiff base, 8.0-25.0 parts of polyhydric alcohol, 4.0-10.0 parts of neopentyl glycol hydroxypivalate, 0.4-1.0 part of antioxidant, 1.0-4.0 parts of monobutyl itaconate, 2.5-5.0 parts of dimethylolpropionic acid, 8.0-16.0 parts of xylene, 3.5-10.0 parts of neutralizer and 70.0-120.0 parts of deionized water; the self-antibacterial water-based alkyd resin for color correction prepared by the invention has good compatibility with water-based color concentrate, can be uniformly mixed with an alcohol ether solvent in any proportion, does not generate precipitate, has high drying speed, good wettability to primer, no occurrence of floating and good adhesive force, and can not bite bottom when being prepared into a water-based color correction agent.
Description
Technical Field
The invention relates to a modified waterborne alkyd resin, in particular to a self-antibacterial waterborne alkyd resin for color correction and a preparation method thereof, belonging to the technical field of synthetic resins.
Background
The materials are different in material, so that the color correction effect is inconsistent when the materials are spliced together for color correction, the wood textures show different conditions, in order to enable the coating effect to be more attractive, a surface coloring treatment mode can be adopted, the operation requirement is not high, and the method can be realized by wiping, brushing and spraying only one time. The color correction is a very complicated process, and generally, the color correction is performed because the decoration plate and the furniture material are not consistent in material and need bottom color correction; with the pursuit of people for aesthetic feeling, multi-surface color-modifying coating is needed to highlight the three-dimensional effect, materials with better colors are needed to be permeated by wiping sometimes, and the three-dimensional effect is shown by spraying and brushing sometimes.
Chinese patent CN105440925A discloses a water-based woodware surface color modifier, which is mainly prepared from the following components in parts by weight: 90.0-95.0 parts of aqueous polyurethane dispersoid, 0.1-0.2 part of pH regulator, 2.5-3.5 parts of film-forming additive, 0.5-1.0 part of anti-freezing agent, 0.1-0.3 part of defoaming agent, 0.5-1.0 part of inorganic antiseptic bactericide, 0.1-1.0 part of adhesion promoter, 0.4-1.0 part of wetting and leveling agent, 2.0-5.0 parts of aqueous color concentrate and 450.0-550.0 parts of alcohol; the paint has the advantages of uniform color correction, excellent adhesion with primer, good transparency, lasting and effective antiseptic and bactericidal effects, and environmental protection.
Said invention needs additional bactericide to retain its bactericidal and antibacterial functions, and the bactericide is easy to make system unstable and precipitate, if it is not added, its storage time is too long, and can cause the phenomenon of smelly colour-correcting agent, etc. so as to affect colour-correcting function, and the water-soluble colour-correcting agent is generally made up by using organic bactericide of isothiazolinone (MIT) or Benzisothiazolinone (BIT) and inorganic antiseptic bactericide, however MIT and BIT substances have strong biological toxicity, so that it is a non-green environment-protecting material. Therefore, it is important to develop a water-based resin for color correction having a self-antibacterial function.
Disclosure of Invention
The Schiff base compound has good bacteriostatic, bactericidal and antifungal effects, has good bactericidal activity on staphylococcus aureus, bacillus subtilis, escherichia coli, gram-negative bacteria and the like, and has unique biological activity different from other structures besides the application significance of general compounds.
The technical problem to be solved by the invention is to overcome the defects that a physical external bactericide is easy to cause system instability and easy to precipitate, and the like, and introduce a Schiff base structure with antibacterial and bactericidal effects into a molecular structure of the water-based alkyd resin in a chemical bond mode, so that the Schiff base structure is beneficial to the sterilization of a primer and a finish coat, and is green and environment-friendly. In order to improve the adhesion problem of the surface color modifier and a substrate, the polyol adopted by the invention is a polyol containing three or more hydroxyl groups, and a multi-branched structure is prepared; meanwhile, the neopentyl glycol hydroxypivalate is added, and the ester group and the methyl are contained in the middle, so that the adhesive force can be effectively increased, the neopentyl glycol hydroxypivalate has outstanding adhesive force with various substrates, and an additional adhesion promoter is not needed.
In order to solve the problems of compatibility and the like, one end of the self-antibacterial water-based alkyd resin for color correction prepared by the invention is blocked by long-chain monobutyl itaconate.
The self-antibacterial water-based alkyd resin for color correction prepared by the invention is different from other water-based alkyd resins, adopts a multi-branched structure, is added with hydroxypivalic acid neopentyl glycol ester, has good adhesive force, is blocked by long-chain itaconic acid monobutyl ester, has good compatibility, and has low glass transition temperature and good flexibility.
The invention aims to provide a self-antibacterial water-based alkyd resin for color correction.
The invention also provides a preparation method of the self-antibacterial water-based alkyd resin for color correction.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention relates to a self-antibacterial water-based alkyd resin for color correction, which comprises the following components in parts by weight: 10.0-22.0 parts of dry vegetable oil, 12.0-32.0 parts of organic acid anhydride, 4.0-8.0 parts of hydroxyl Schiff base, 8.0-25.0 parts of polyhydric alcohol, 4.0-10.0 parts of neopentyl glycol hydroxypivalate, 0.4-1.0 part of antioxidant, 1.0-4.0 parts of monobutyl itaconate, 2.5-5.0 parts of dimethylolpropionic acid, 8.0-16.0 parts of dimethylbenzene, 3.5-10.0 parts of neutralizer and 70.0-120.0 parts of deionized water.
Wherein the glass transition temperature of the prepared self-antibacterial waterborne alkyd resin for color correction is 15-30 ℃.
The hydroxyl Schiff base monomer is prepared by reacting 2-hydroxyethylamine with anisaldehyde.
When preparing the hydroxyl Schiff base monomer, absolute ethyl alcohol is used as a solvent, the dosage of the absolute ethyl alcohol is 6-8 times of the sum of the mass of the reactants, glacial acetic acid is used as a catalyst, the ratio of the mass of 2-hydroxyethylamine to the mass of anisaldehyde is 1:1, the 2-hydroxyethylamine and the absolute ethyl alcohol are weighed according to the formula in a multifunctional reaction kettle, and the mixture is heated to 80 ℃ and stirred uniformly; and weighing anisaldehyde according to the formula amount, mixing and dissolving the anisaldehyde and absolute ethyl alcohol, slowly dropwise adding the mixture into a reaction kettle, dropwise adding a proper amount of glacial acetic acid, wherein the glacial acetic acid is one percent of the mass sum of the 2-hydroxyethylamine and the anisaldehyde, continuously performing reflux reaction for 3.0-4.0 hours, cooling after the reaction is completed, recrystallizing and filtering to obtain the hydroxyschiff base monomer.
The dry vegetable oil is one or more of linseed oil, tung oil, refined castor oil and cottonseed oil.
The organic acid anhydride is one or a combination of more of phthalic anhydride, acetic anhydride and maleic anhydride.
The polyalcohol is one or a combination of more of trimethylolpropane, pentaerythritol, trimethylolethane, 1,2, 5-pentanetriol and 1,2, 4-butanetriol.
The neutralizing agent is one or a combination of more of triethylamine, ammonia water and dimethylethanolamine.
The invention provides a preparation method of self-antibacterial water-based alkyd resin for color correction, which comprises the following steps:
a) sequentially adding dry vegetable oil, organic acid anhydride, polyol, neopentyl glycol hydroxypivalate, antioxidant, dimethylolpropionic acid and xylene according to the weight part of the formula in a multifunctional reaction kettle, and introducing N2To remove O in the reaction kettle2；
b) Heating to 110-115 ℃, keeping the temperature for 0.5-1.0 h, continuously introducing nitrogen, taking out steam, removing free water, continuously heating to 150-160 ℃, stirring and keeping the temperature for 1.0h at the rotating speed of 200-300 r/min after the materials are dissolved, then heating to 180 ℃, carrying out heat preservation reaction for 1.0h, heating to 210-220 ℃ at the speed of 20 ℃/h, carrying out heat preservation reaction for 1.5-2.0 h, then adding monobutyl itaconate, carrying out heat preservation reaction for 1.5-2.0 h, and separating water generated by the reaction by using a water separator;
c) cooling to 180 ℃, adding hydroxyl Schiff base, rapidly heating to 210-220 ℃, carrying out heat preservation reaction for 2.0-3.0 h, measuring the acid value every 15-30 min, stopping the reaction when the acid value is less than or equal to 60mgKOH/g, cooling to 160 ℃, starting vacuum evaporation to remove solvent xylene, cooling to 50 ℃, adding a neutralizing agent, stirring at high speed for dispersion for 15-20 min, adding deionized water according to the formula amount, stirring at high speed for 0.5h, stirring at low speed for 1.0h, and filtering to obtain the self-antibacterial waterborne alkyd resin for color correction.
The self-antibacterial water-based alkyd resin for color correction prepared by the invention has good compatibility with water-based color concentrate, can be uniformly mixed with an alcohol ether solvent in any proportion, does not generate precipitate, has high drying speed, good wettability to primer, no occurrence of floating and good adhesive force, and can not bite bottom when being prepared into a water-based color correction agent.
Detailed Description
The invention is further described with reference to the following examples for the preparation of self-antibacterial waterborne alkyd resins for color correction. 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
The self-antibacterial water-based alkyd resin for color correction comprises the following components in parts by weight: 16.0 parts of refined castor oil, 8.0 parts of phthalic anhydride, 10.0 parts of maleic anhydride, 6.0 parts of hydroxyl Schiff base, 13.0 parts of trimethylolpropane, 6.0 parts of neopentyl glycol hydroxypivalate, 0.8 part of antioxidant, 2.5 parts of monobutyl itaconate, 3.5 parts of dimethylolpropionic acid, 12.0 parts of xylene, 7.5 parts of triethylamine and 100.0 parts of deionized water.
The preparation method of the self-antibacterial waterborne alkyd resin for color correction in the embodiment comprises the following steps:
a) adding refined castor oil, phthalic anhydride, maleic anhydride, trimethylolpropane, neopentyl glycol hydroxypivalate, antioxidant, dimethylolpropionic acid and xylene in a multifunctional reaction kettle in sequence according to the weight part of the formula, and introducing N2To remove O in the reaction kettle2；
b) Heating to 110 ℃, keeping the temperature for 0.5h, continuously introducing nitrogen, taking out water vapor, removing free water, continuously heating to 160 ℃, stirring and keeping the temperature for 1.0h at the rotating speed of 300 r/min after the materials are dissolved, then heating to 180 ℃, keeping the temperature for reaction for 1.0h, heating to 210-220 ℃ at the speed of 20 ℃/h, keeping the temperature for reaction for 2.0h, then adding monobutyl itaconate, keeping the temperature for reaction for 1.5h, and separating water generated by the reaction out by using a water separator;
c) cooling to 180 ℃, adding hydroxyl Schiff base, rapidly heating to 210-220 ℃, carrying out heat preservation reaction for 3.0h, measuring the acid value every 15-30 min, stopping the reaction when the acid value is 56mgKOH/g, cooling to 160 ℃, starting vacuum evaporation to remove solvent xylene, cooling to 50 ℃, adding a neutralizing agent, stirring at a high speed for 20 min, adding deionized water according to the formula amount, stirring at a high speed for 0.5h, stirring at a low speed for 1.0h, and filtering to obtain the self-antibacterial waterborne alkyd resin for color repair, wherein the solid content is 39.0%, and the sample is marked as sample 1.
Example 2
The self-antibacterial water-based alkyd resin for color correction comprises the following components in parts by weight: 17.0 parts of tung oil, 8.0 parts of acetic anhydride, 13.0 parts of phthalic anhydride, 5.0 parts of hydroxyl Schiff base, 4.0 parts of pentaerythritol, 12.0 parts of trimethylolpropane, 6.8 parts of neopentyl glycol hydroxypivalate, 0.8 part of antioxidant, 2.4 parts of monobutyl itaconate, 4.0 parts of dimethylolpropionic acid, 13.0 parts of xylene, 6.8 parts of triethylamine and 115.0 parts of deionized water.
The preparation method of the self-antibacterial waterborne alkyd resin for color correction in the embodiment comprises the following steps:
a) sequentially adding tung oil, acetic anhydride, phthalic anhydride, pentaerythritol, trimethylolpropane, neopentyl glycol hydroxypivalate and an antioxidant into a multifunctional reaction kettle according to the weight part of the formulaDimethylolpropionic acid and xylene, with N being introduced2To remove O in the reaction kettle2；
b) Heating to 115 ℃, keeping the temperature for 1.0h, continuously introducing nitrogen, taking out water vapor, removing free water, continuously heating to 150 ℃, stirring and keeping the temperature for 1.0h at the rotating speed of 300 r/min after the materials are dissolved, then heating to 180 ℃, keeping the temperature for reaction for 1.0h, heating to 210-220 ℃ at the speed of 20 ℃/h, keeping the temperature for reaction for 2.0h, then adding monobutyl itaconate, keeping the temperature for reaction for 2.0h, and separating water generated by the reaction out by using a water separator;
c) cooling to 180 ℃, adding hydroxyl Schiff base, rapidly heating to 210-220 ℃, carrying out heat preservation reaction for 3.0h, measuring the acid value every 15-30 min, stopping the reaction when the acid value is 52mgKOH/g, cooling to 160 ℃, starting vacuum evaporation to remove solvent xylene, cooling to 50 ℃, adding triethylamine, stirring at high speed for dispersion for 15-20 min, adding deionized water according to the formula amount, stirring at high speed for 0.5h, stirring at low speed for 1.0h, and filtering to obtain the self-antibacterial waterborne alkyd resin for color repair, wherein the solid content is 38.5%, and the sample is marked as sample 2.
Example 3
The self-antibacterial water-based alkyd resin for color correction comprises the following components in parts by weight: 18.0 parts of cottonseed oil, 18.0 parts of phthalic anhydride, 6.5 parts of hydroxyschiff base, 13.0 parts of trimethylolpropane, 5.0 parts of 1,2, 4-butanetriol, 6.0 parts of neopentyl glycol hydroxypivalate, 0.7 part of antioxidant, 2.2 parts of monobutyl itaconate, 3.8 parts of dimethylolpropionic acid, 14.0 parts of xylene, 9.2 parts of triethylamine and 115.0 parts of deionized water.
The preparation method of the self-antibacterial waterborne alkyd resin for color correction in the embodiment comprises the following steps:
a) sequentially adding cottonseed oil, phthalic anhydride, 1,2, 4-butanetriol, trimethylolpropane, neopentyl glycol hydroxypivalate, antioxidant, dimethylolpropionic acid and xylene according to the weight part of the formula in a multifunctional reaction kettle, and introducing N2To remove O in the reaction kettle2；
b) Heating to 110 ℃, keeping the temperature for 1.0h, continuously introducing nitrogen, taking out water vapor, removing free water, continuously heating to 150 ℃, stirring and keeping the temperature for 1.0h at the rotating speed of 300 r/min after the materials are dissolved, then heating to 180 ℃, keeping the temperature for reaction for 1.0h, heating to 210-220 ℃ at the speed of 20 ℃/h, keeping the temperature for reaction for 2.0h, then adding monobutyl itaconate, keeping the temperature for reaction for 2.0h, and separating water generated by the reaction out by using a water separator;
c) cooling to 180 ℃, adding hydroxyl Schiff base, rapidly heating to 210-220 ℃, carrying out heat preservation reaction for 3.0h, measuring the acid value every 15-30 min, stopping the reaction when the acid value is 58mgKOH/g, cooling to 160 ℃, starting vacuum evaporation to remove solvent xylene, cooling to 50 ℃, adding triethylamine, stirring at high speed for dispersion for 15-20 min, adding deionized water according to the formula amount, stirring at high speed for 0.5h, stirring at low speed for 1.0h, and filtering to obtain the self-antibacterial waterborne alkyd resin for color repair, wherein the solid content is 38.2%, and the sample is marked as sample 3.
And (3) testing performance indexes: the samples 1,2 and 3 and the conventional aqueous color correction resin sample 4 in the above example were prepared into aqueous color correction agents according to the raw material formula in table 1, and the corresponding aqueous color correction agent samples were respectively identified as color correction agent 1, color correction agent 2, color correction agent 3 and color correction agent 4, and the performances thereof were respectively tested.
Table 1: formula of color modifier
| Name of raw materials | Specification of | Amount/% of |
| Water (W) | Deionized water | 5.0 |
| Color correction resin | Water-based color-modifying resin | 15.0 |
| Water-based color essence | Water-based color essence | 20 |
| Dispersing agent | SN-612 | 0.3 |
| Solvent(s) | Ethanol | 59.5 |
| Defoaming agent | CF-16 | 0.2 |
And (3) carrying out performance index test on the prepared aqueous color modifier according to related standards, wherein the test results are shown in Table 2.
Table 2: technical performance index of color modifier
| Detecting items | Color modifier 1 | Color modifier 2 | Color modifier 3 | Color modifier 4 |
| Storage stability | 1 year | 1 year | 1 year | Precipitate appeared in 3 months |
| Adhesion/cross cut method | Level 0 | Level 0 | Level 0 | Stage 2 |
| Drying time/25 deg.C | 7min12 seconds | 7min55 seconds | 8min05 s | 20min |
| Color correction/visual inspection | Good effect | Good effect | Good effect | Slight cracking and biting |
| Compatibility with chromogen/visualization | Good effect | Good effect | Good effect | In general |
| fullness/Vision | Good effect | Good effect | Good effect | In general |
As can be seen from Table 2, the storage stability, adhesion, color-repairing effect and other properties of the samples of example 1, example 2 and example 3 are far better than those of the conventional water-based color-repairing resin; the drying time is shorter than that of the conventional water-based color-modifying resin, which greatly improves the construction efficiency.
The prepared water-based color modifier is tested for antibacterial performance according to the standard HG/T3950-2007, and the test results are shown in Table 3.
TABLE 3 result of antibacterial property test of prepared water-based color modifier coating film
It can be seen from table 3 that the antibacterial performance of the color modifier 1, the color modifier 2 and the color modifier 3 corresponding to the samples of example 1, example 2 and example 3 of the invention on bacillus subtilis and staphylococcus aureus is far better than that of the color modifier 4 corresponding to the conventional aqueous color-modifying resin sample 4.
The color modifier 1, the color modifier 2 and the color modifier 3 in the embodiment of the invention and a conventional aqueous color modifier 4+ antibacterial agent (comparative example) are subjected to a lasting antibacterial performance test according to the standard HG/T3950-2007, and the tested bacteria are bacillus subtilis. Firstly, the antibacterial performance of the material is detected, after the test is finished, the material is subjected to ultrasonic oscillation cleaning for 2 hours and then subjected to the antibacterial performance test, and the test results are shown in table 4.
TABLE 4 durable antibacterial property of the color modifier corresponding to the inventive example and the comparative example
| Item | Repair color agent 4 (comparison example) | Color modifier 1 | Color modifier 2 | Color modifier 3 |
| Negative control sample | 1536 | 1380 | 1320 | 1298 |
| Without ultrasonic cleaning | 20 | 8 | 11 | 6 |
| Ultrasonic cleaning for 2h | 910 | 13 | 15 | 12 |
| Antibacterial persistence% | 40.76 | 99.06 | 98.86 | 99.08 |
Note that the negative control sample refers to a control sample containing only the culture medium and no antimicrobial agent.
It can be seen from table 4 that the durable antibacterial performance of the color modifier 1, the color modifier 2 and the color modifier 3 corresponding to the samples of example 1, example 2 and example 3 is much better than that of the color modifier 4+ antibacterial agent (comparative example) corresponding to the sample 4 of the conventional aqueous color-modifying resin.
Although the present invention has been described in detail and with reference to exemplary embodiments thereof, it will be apparent to one skilled in the art that various changes, modifications and variations can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A self-antibacterial water-based alkyd resin for color correction is characterized in that: the self-antibacterial waterborne alkyd resin for color correction comprises the following components in parts by weight: 10.0-22.0 parts of dry vegetable oil, 12.0-32.0 parts of organic acid anhydride, 4.0-8.0 parts of hydroxyl Schiff base, 8.0-25.0 parts of polyhydric alcohol, 4.0-10.0 parts of neopentyl glycol hydroxypivalate, 0.4-1.0 part of antioxidant, 1.0-4.0 parts of monobutyl itaconate, 2.5-5.0 parts of dimethylolpropionic acid, 8.0-16.0 parts of xylene, 3.5-10.0 parts of neutralizer and 70.0-120.0 parts of deionized water;
wherein the glass transition temperature of the prepared self-antibacterial waterborne alkyd resin for color correction is 15-30 ℃.
2. The self-antibacterial waterborne alkyd resin for color correction according to claim 1, wherein: the hydroxyl Schiff base monomer is prepared by reacting 2-hydroxyethylamine with anisaldehyde.
3. The self-antibacterial waterborne alkyd resin for color correction according to claim 1, wherein: the dry vegetable oil is one or more of linseed oil, tung oil, refined castor oil and cottonseed oil.
4. The self-antibacterial waterborne alkyd resin for color correction according to claim 1, wherein: the organic acid anhydride is one or a combination of more of phthalic anhydride, acetic anhydride and maleic anhydride.
5. The self-antibacterial waterborne alkyd resin for color correction according to claim 1, wherein: the polyalcohol is one or a combination of more of trimethylolpropane, pentaerythritol, trimethylolethane, 1,2, 5-pentanetriol and 1,2, 4-butanetriol.
6. The self-antibacterial waterborne alkyd resin for color correction according to claim 1, wherein: the neutralizing agent is one or a combination of more of triethylamine, ammonia water and dimethylethanolamine.
7. The self-antibacterial waterborne alkyd resin for color correction according to claim 1, wherein: the hydroxyl Schiff base monomer comprises the following steps: when preparing the hydroxyl Schiff base monomer, absolute ethyl alcohol is used as a solvent, the dosage of the absolute ethyl alcohol is 6-8 times of the sum of the mass of the reactants, glacial acetic acid is used as a catalyst, the ratio of the mass of 2-hydroxyethylamine to the mass of anisaldehyde is 1:1, the 2-hydroxyethylamine and the absolute ethyl alcohol are weighed according to the formula in a multifunctional reaction kettle, and the mixture is heated to 80 ℃ and stirred uniformly; and weighing anisaldehyde according to the formula amount, mixing and dissolving the anisaldehyde and absolute ethyl alcohol, slowly dropwise adding the mixture into a reaction kettle, dropwise adding a proper amount of glacial acetic acid, wherein the glacial acetic acid is one percent of the mass sum of the 2-hydroxyethylamine and the anisaldehyde, continuously performing reflux reaction for 3.0-4.0 hours, cooling after the reaction is completed, recrystallizing and filtering to obtain the hydroxyschiff base monomer.
8. A process for preparing a self-antibacterial waterborne alkyd resin for tinting according to claim 1, wherein: the preparation method comprises the following steps:
a) sequentially adding dry vegetable oil, organic acid anhydride, polyol, neopentyl glycol hydroxypivalate, antioxidant, dimethylolpropionic acid and xylene according to the weight part of the formula in a multifunctional reaction kettle, and introducing N2To remove O in the reaction kettle2；
b) Heating to 110-115 ℃, keeping the temperature for 0.5-1.0 h, continuously introducing nitrogen, taking out steam, removing free water, continuously heating to 150-160 ℃, stirring and keeping the temperature for 1.0h at the rotating speed of 200-300 r/min after the materials are dissolved, then heating to 180 ℃, carrying out heat preservation reaction for 1.0h, heating to 210-220 ℃ at the speed of 20 ℃/h, carrying out heat preservation reaction for 1.5-2.0 h, then adding monobutyl itaconate, carrying out heat preservation reaction for 1.5-2.0 h, and separating water generated by the reaction by using a water separator;
c) cooling to 180 ℃, adding hydroxyl Schiff base, rapidly heating to 210-220 ℃, carrying out heat preservation reaction for 2.0-3.0 h, measuring the acid value every 15-30 min, stopping the reaction when the acid value is less than or equal to 60mgKOH/g, cooling to 160 ℃, starting vacuum evaporation to remove solvent xylene, cooling to 50 ℃, adding a neutralizing agent, stirring at high speed for dispersion for 15-20 min, adding deionized water according to the formula amount, stirring at high speed for 0.5h, stirring at low speed for 1.0h, and filtering to obtain the self-antibacterial waterborne alkyd resin for color correction.
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| CN112646084A (en) * | 2020-12-18 | 2021-04-13 | 合众（佛山）化工有限公司 | Tripolyindenone derivative modified waterborne acrylic resin and preparation method thereof |
| CN112679711A (en) * | 2020-12-18 | 2021-04-20 | 合众（佛山）化工有限公司 | Tripolyindenone derivative modified waterborne alkyd resin and preparation method thereof |
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| CN107936819A (en) * | 2017-12-15 | 2018-04-20 | 合众（佛山）化工有限公司 | A kind of inflaming-retarding antifouling antibiotic water paint |
| CN107987693A (en) * | 2017-12-15 | 2018-05-04 | 合众（佛山）化工有限公司 | A kind of long-lasting antibacterial water alcohol acid coating |
| CN108084422A (en) * | 2017-12-15 | 2018-05-29 | 合众（佛山）化工有限公司 | A kind of antibacterial aqueous alkyd resin of structural type and preparation method thereof |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107936819A (en) * | 2017-12-15 | 2018-04-20 | 合众（佛山）化工有限公司 | A kind of inflaming-retarding antifouling antibiotic water paint |
| CN107987693A (en) * | 2017-12-15 | 2018-05-04 | 合众（佛山）化工有限公司 | A kind of long-lasting antibacterial water alcohol acid coating |
| CN108084422A (en) * | 2017-12-15 | 2018-05-29 | 合众（佛山）化工有限公司 | A kind of antibacterial aqueous alkyd resin of structural type and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646084A (en) * | 2020-12-18 | 2021-04-13 | 合众（佛山）化工有限公司 | Tripolyindenone derivative modified waterborne acrylic resin and preparation method thereof |
| CN112679711A (en) * | 2020-12-18 | 2021-04-20 | 合众（佛山）化工有限公司 | Tripolyindenone derivative modified waterborne alkyd resin and preparation method thereof |
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| CN110862521B (en) | 2021-09-28 |
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