CN116463036A - High-flash-point safe alkyd enamel and preparation method thereof - Google Patents
High-flash-point safe alkyd enamel and preparation method thereof Download PDFInfo
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- CN116463036A CN116463036A CN202310617173.7A CN202310617173A CN116463036A CN 116463036 A CN116463036 A CN 116463036A CN 202310617173 A CN202310617173 A CN 202310617173A CN 116463036 A CN116463036 A CN 116463036A
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- 229920000180 alkyd Polymers 0.000 title claims abstract description 188
- 210000003298 dental enamel Anatomy 0.000 title claims abstract description 156
- 238000002360 preparation method Methods 0.000 title abstract description 7
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 claims abstract description 68
- -1 acrylic ester Chemical class 0.000 claims abstract description 38
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 31
- 239000003549 soybean oil Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 239000000049 pigment Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 7
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 29
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 19
- 239000013530 defoamer Substances 0.000 claims description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000013008 thixotropic agent Substances 0.000 claims description 9
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910021485 fumed silica Inorganic materials 0.000 claims description 7
- 239000003607 modifier Substances 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 239000004593 Epoxy Substances 0.000 abstract description 12
- 230000000052 comparative effect Effects 0.000 description 23
- 238000001514 detection method Methods 0.000 description 13
- 238000001035 drying Methods 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000003960 organic solvent Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 238000001723 curing Methods 0.000 description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 125000001453 quaternary ammonium group Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical class [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
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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
-
- 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
- C09D5/23—Magnetisable or magnetic paints or lacquers
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/65—Additives macromolecular
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The application discloses a high-flash-point safe alkyd enamel and a preparation method thereof, wherein the high-flash-point safe alkyd enamel comprises the following raw materials in parts by weight: 60-100 parts of alkyd resin, 10-20 parts of diacetone alcohol, 5-10 parts of epoxidized soybean oil acrylic ester, 1-3 parts of pigment, 0.5-1.5 parts of drier and 6-8 parts of water; the preparation method comprises the following steps: mixing diacetone alcohol and epoxidized soybean oil acrylic ester according to parts by weight to obtain a premix, adding alkyd resin into the premix according to parts by weight, and mixing to obtain a mixed material; and adding pigment, drier and water into the mixture according to parts by weight, and mixing to obtain the high-flash-point safe alkyd enamel. The high-flash-point safe alkyd enamel provided by the application has the advantages that alkyd resin, pigment and drier are adopted as the base material, diacetone alcohol and epoxy soybean oil acrylic ester are introduced into the base material, and the flash point and safety performance of the alkyd enamel are improved.
Description
Technical Field
The application relates to the technical field of paint chemical industry, in particular to a high-flash-point safe alkyd enamel and a preparation method thereof.
Background
Along with the continuous enhancement of health and environmental awareness of people, the requirements on the safety performance of the paint are also higher and higher. Alkyd enamel is widely used as a paint coating for coating surfaces of various steel facilities subjected to chemical atmosphere and industrial atmosphere, so that the research on the safety performance of the alkyd enamel is particularly important. In the existing alkyd enamel, the research focus is on how to reduce the toxicity of the alkyd enamel and reduce the emission of volatile organic compounds in the using process of the alkyd enamel, so that the alkyd enamel meets the requirements of health and environmental protection. In the alkyd enamel, the flash point of the alkyd enamel is generally not high, and the alkyd enamel has safety risks in the process of storage and use.
Therefore, there is an urgent need for alkyd enamels with high flash points and high safety properties to solve the problems existing in the prior art.
Disclosure of Invention
In order to solve at least one technical problem, an alkyd enamel with high flash point and higher safety performance is developed, and the application provides the high flash point safety alkyd enamel and a preparation method thereof.
On one hand, the high-flash-point safe alkyd enamel provided by the application comprises the following raw materials in parts by weight: 60-100 parts of alkyd resin, 10-20 parts of diacetone alcohol, 5-10 parts of epoxidized soybean oil acrylic ester, 1-3 parts of pigment, 0.5-1.5 parts of drier and 6-8 parts of water.
By adopting the technical scheme, the alkyd enamel provided by the application adopts alkyd resin, pigment and drier as the base material, and diacetone alcohol and epoxy soybean oil acrylic ester are introduced into the base material, so that the flash point of the alkyd enamel is improved, and the safety performance of the alkyd enamel is improved; in the alkyd enamel provided by the application, diacetone alcohol is adopted as the organic solvent with a higher flash point and a relatively lower boiling point, the flash point of the alkyd enamel provided by the application can be improved by adopting the organic solvent, and meanwhile, the problem of slower volatility caused by the organic solvent with a higher boiling point can be avoided, so that the surface of the alkyd enamel provided by the application can realize the effects of quick drying and film forming due to volatilization of diacetone alcohol when the alkyd enamel is used as a coating primer, and the curing efficiency of the alkyd enamel is accelerated; in addition, in the alkyd enamel that this application provided, epoxy soybean oil acrylic ester has still been added, on the one hand, epoxy soybean oil acrylic ester can exert the effect of compatilizer in the alkyd enamel, can further improve the compatibility between alkyd resin and the diacetone alcohol, thereby strengthen the stability of the alkyd enamel that this application provided, on the other hand, epoxy soybean oil acrylic ester has excellent photocuring activity, can accelerate the cure rate of alkyd enamel when using the alkyd enamel that this application provided, improve the film forming efficiency of alkyd enamel, and epoxy soybean oil acrylic ester can improve the wettability of pigment, make the pigment fine disperse in alkyd resin, thereby the stability of the alkyd enamel that this application provided has been improved.
Optionally, the mass ratio between diacetone alcohol and the epoxidized soybean oil acrylate is 1-2:1.
Through adopting above-mentioned technical scheme, adjust the compound mass ratio between diacetone alcohol and the epoxy soybean oil acrylic ester in the alkyd enamel that this application provided, can further improve the compatibility between diacetone alcohol and the alkyd resin to make the alkyd enamel that this application provided more stable.
Optionally, the pigment comprises at least one of titanium dioxide and talcum powder; the drier comprises a rare earth isooctanoate drier.
Optionally, the anti-settling thixotropic agent is also included, and the content of the anti-settling thixotropic agent is 1-3 wt% of the content of the alkyd resin.
Through adopting above-mentioned technical scheme, still add anti-settling thixotropic agent in the alkyd enamel that this application provided, above-mentioned anti-settling thixotropic agent can guarantee the alkyd enamel that this application provided in the in-process of preserving and using, and the dispersibility of each component in its coating system is difficult to subside to can further improve alkyd enamel's stability.
Further optionally, the anti-settling thixotropic agent is fumed silica.
Through adopting above-mentioned technical scheme, with the further preferred fumed silica of anti-settling thixotropic agent that adds in the alkyd enamel that this application provided, can further improve the dispersibility of coating system in the alkyd enamel that this application provided, especially can improve the stability of pigment in coating system greatly, prevent the precipitation of pigment in coating system to reduce the influence of pigment to coating system precipitation, further improved the stability of alkyd enamel that this application provided.
Optionally, the alkyd resin also comprises montmorillonite, wherein the content of the montmorillonite is 5-15 wt% of the content of the alkyd resin.
By adopting the technical scheme, montmorillonite is used as a filler to be introduced into the alkyd enamel provided by the application, so that the drying film forming speed of the alkyd enamel provided by the application can be further improved, and the strength of the alkyd enamel provided by the application after film forming and curing can be further improved.
Further alternatively, the montmorillonite is modified montmorillonite, and comprises the following raw materials in parts by weight: 15-25 parts of montmorillonite and 1-3 parts of organic modifier; wherein the organic modifier comprises at least one of organic quaternary ammonium salt.
Through adopting above-mentioned technical scheme, the montmorillonite that uses in the alkyd enamel that this application provided is the modified montmorillonite after adopting the modification of organic modifier, and organic modifier is preferred including organic quaternary ammonium salt, can effectively increase the intermolecular interval of montmorillonite, is favorable to the stable dispersion of montmorillonite in the coating system of alkyd enamel that this application provided.
Optionally, the alkyd resin also comprises an antifoaming agent, wherein the content of the antifoaming agent is 1-2 wt% of the content of the alkyd resin.
Through adopting above-mentioned technical scheme, still add the defoaming agent in the alkyd enamel that this application provided, can avoid the alkyd enamel that this application provided to produce the bubble at the in-process that uses.
Further optionally, the defoamer includes at least one of a silicone defoamer and a polyether defoamer.
In a second aspect, the present application provides a method for preparing the high flash point safe alkyd enamel, comprising the steps of:
s1, mixing diacetone alcohol and epoxidized soybean oil acrylic ester according to parts by weight to obtain a premix, adding alkyd resin into the premix according to parts by weight, and mixing to obtain a mixture;
s2, adding pigment, drier and water into the mixed material obtained in the step S1 according to parts by weight, and mixing to obtain the high-flash-point safe alkyd enamel.
By adopting the technical scheme, the preparation method of the alkyd enamel is simple to operate, and the prepared alkyd enamel has higher flash point and better safety performance.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. the alkyd enamel provided by the application adopts alkyd resin, pigment and drier as the base materials, and diacetone alcohol and epoxy soybean oil acrylic ester are introduced into the base materials, so that the flash point of the alkyd enamel is improved, and the safety performance of the alkyd enamel is improved.
2. Among the alkyd enamel that this application provided, diacetone alcohol that adopts is the organic solvent that flash point is higher and the boiling point is lower relatively, adopts this kind of organic solvent can improve the flash point of the alkyd enamel that this application provided, also can avoid simultaneously selecting the higher problem that the volatility that brings of organic solvent with the boiling point to make the alkyd enamel that this application provided when being used as the application primer, can realize quick drying and film-forming effect because of the surface of the alkyd enamel that the volatilization of diacetone alcohol brought, thereby accelerate the curing efficiency of alkyd enamel.
3. In the alkyd enamel that this application provided, still added epoxy soybean oil acrylic ester, on the one hand, epoxy soybean oil acrylic ester can exert the effect of compatilizer in alkyd enamel, can further improve the compatibility between alkyd resin and the diacetone alcohol, thereby strengthen the stability of alkyd enamel that this application provided, on the other hand, epoxy soybean oil acrylic ester has excellent photocuring activity, can accelerate the cure rate of alkyd enamel when using the alkyd enamel that this application provided, improve the film forming efficiency of alkyd enamel, and epoxy soybean oil acrylic ester can improve the wettability of pigment, make pigment fine dispersion in alkyd resin, thereby improved the stability of alkyd enamel that this application provided.
Detailed Description
The present application is described in further detail below in connection with examples and comparative examples.
The application designs a high-flash-point safe alkyd enamel, which comprises the following raw materials in parts by weight: 60-100 parts of alkyd resin, 10-20 parts of diacetone alcohol, 5-10 parts of epoxidized soybean oil acrylic ester, 1-3 parts of pigment, 0.5-1.5 parts of drier and 6-8 parts of water.
The high-flash-point safe alkyd enamel is prepared by the following method, and comprises the following steps of:
s1, mixing diacetone alcohol and epoxidized soybean oil acrylic ester according to parts by weight to obtain a premix, adding alkyd resin into the premix according to parts by weight, and mixing to obtain a mixture;
s2, adding pigment, drier and water into the mixed material obtained in the step S1 according to parts by weight, and mixing to obtain the high-flash-point safe alkyd enamel.
The examples and comparative examples of the present application each provide an alkyd enamel; wherein, the selected raw materials are all commercial products unless specified:
alkyd resin: hubei guangdong biotechnology limited, purity 99%;
diacetone alcohol: the purity of the product is 99% of the product obtained by the international trade company (Shanghai);
epoxidized soybean oil acrylate: hubei is emerging to change new material science and technology limited company, and the purity is 99%;
the isooctanoic acid rare earth drier: the purity of the Wuhan Puluofu biotechnology Co., ltd is 99%;
fumed silica: shanghai Ala Biotechnology Co., ltd., product No. H396828;
montmorillonite: shanghai Meilin Biochemical technologies Co., ltd., product number M813515;
polysiloxane quaternary ammonium salt-3: hubei emnt biotechnology limited, purity 99%;
polyquaternium-10: jiangsu Haohuo chemical Co., ltd, purity 99%;
silicone defoamer: guangdong Weng Jiang chemical company, product number PB07418;
polyether defoamer: the purity of the Wuhan Kamike technology Co., ltd is 99%.
Examples 1 to 5
Example 1
Mixing 1.2kg of diacetone alcohol and 0.3kg of epoxidized soybean oil acrylic ester to obtain a premix, adding 3.6kg of alkyd resin into the premix, and mixing to obtain a mixed material; adding 0.06kg of titanium dioxide, 0.03kg of isooctanoic acid rare earth drier and 0.36kg of water into the mixture, and mixing to obtain the high-flash-point safe alkyd enamel.
Example 2
Mixing 1.02kg of diacetone alcohol and 0.48kg of epoxidized soybean oil acrylic ester to obtain a premix, adding 4.2kg of alkyd resin into the premix, and mixing to obtain a mixed material; adding 0.09kg of talcum powder, 0.048kg of isooctanoic acid rare earth drier and 0.39kg of water into the mixture, and mixing to obtain the high-flash-point safe alkyd enamel.
Example 3
Mixing 0.6kg of diacetone alcohol and 0.6kg of epoxidized soybean oil acrylic ester to obtain a premix, adding 4.8kg of alkyd resin into the premix, and mixing to obtain a mixed material; adding 0.06kg of titanium dioxide, 0.06kg of talcum powder, 0.066kg of isooctanoic acid rare earth drier and 0.42kg of water into the mixture, and mixing to obtain the high-flash-point safe alkyd enamel.
Example 4
Mixing 0.72kg of diacetone alcohol and 0.36kg of epoxidized soybean oil acrylic ester to obtain a premix, adding 5.4kg of alkyd resin into the premix, and mixing to obtain a mixed material; adding 0.06kg of titanium dioxide, 0.09kg of talcum powder, 0.078kg of isooctanoic acid rare earth drier and 0.45kg of water into the mixture, and mixing to obtain the high-flash-point safe alkyd enamel.
Example 5
Mixing 0.9kg of diacetone alcohol and 0.54kg of epoxidized soybean oil acrylic ester to obtain a premix, adding 6kg of alkyd resin into the premix, and mixing to obtain a mixture; adding 0.12kg of titanium dioxide, 0.06kg of talcum powder, 0.09kg of isooctanoic acid rare earth drier and 0.48kg of water into the mixture, and mixing to obtain the high-flash-point safe alkyd enamel.
The alkyd enamels provided in examples 1 to 5 were tested for performance, and specific test items and methods were as follows:
flash point: detecting the flash points of the alkyd enamel provided in the embodiments 1 to 5 by adopting a micro automatic closed flash point tester; the manufacturer of the micro automatic closed flash point tester is Furand, and the model is FDT-0281; recording the detection results in table 1;
stability performance: according to GB/T6753.3-1986, carrying out stability experiments on the alkyd enamels provided in examples 1-5, evaluating the sedimentation degree of the alkyd enamels subjected to the stability experiments, brushing the alkyd enamels subjected to the stability experiments on the same test plate, and evaluating particles, gel blocks or brush marks after film formation; recording the detection results in table 1;
drying time: the alkyd enamels provided in examples 1 to 5 were subjected to a drying time determination according to GB/T25251-2010; the detection results are recorded in table 1.
Table 1 summary of results of performance tests for examples 1 to 5
Referring to Table 1, it can be seen from the results of Table 1 that the alkyd enamels provided in examples 1 to 5 all have flash points above 70℃and in the drying time, the open time is less than 3 hours and the real time is less than 10 hours; for stability performance, the alkyd enamels provided in examples 3-5 all had better sedimentation than the alkyd enamels provided in examples 1-2, and the alkyd enamels provided in examples 3-5 also had better particles, gel blocks or brush marks than the alkyd enamels provided in examples 1-2. According to the description, in the embodiments 3 to 5, the compatibility between diacetone alcohol and alkyd resin can be further improved by adopting the specific compounding mass ratio of diacetone alcohol and epoxidized soybean oil acrylic ester, so that the alkyd enamel provided by the application is more stable.
Comparative examples 1 to 4
Comparative example 1
Based on example 1, this comparative example differs from example 1 in that epoxidized soybean oil acrylate was not added in this comparative example; the remaining steps, conditions and parameters were the same as in example 1.
Comparative example 2
Based on example 1, this comparative example differs from example 1 in that diacetone alcohol was not added in this comparative example; the remaining steps, conditions and parameters were the same as in example 1.
Comparative example 3
Based on example 1, this comparative example differs from example 1 in that xylene was used in place of diacetone alcohol added in example 1; wherein, xylene: shanghai Ala Biotechnology Co., ltd., product No. X112050; the remaining steps, conditions and parameters were the same as in example 1.
Comparative example 4
Based on example 1, this comparative example differs from example 1 in that glycerol was used in place of diacetone alcohol added in example 1; wherein, glycerin: shanghai Ala Biotechnology Co., ltd., product No. G116203; the remaining steps, conditions and parameters were the same as in example 1.
The alkyd enamels provided in example 1 and comparative examples 1 to 4 were tested for performance, and specific test items and methods were as follows:
flash point: the flash points of the alkyd enamels provided in example 1 and comparative examples 1 to 4 were detected using a microscale automatic closed-loop flash point tester; the manufacturer of the micro automatic closed flash point tester is Furand, and the model is FDT-0281; recording the detection results in table 2; stability performance: according to GB/T6753.3-1986, carrying out stability experiments on the alkyd enamels provided in the example 1 and the comparative examples 1-4, evaluating the sedimentation degree of the alkyd enamels subjected to the stability experiments, brushing the alkyd enamels subjected to the stability experiments on the same test plate, and evaluating particles, gel blocks or brush marks after film formation; recording the detection results in table 2;
drying time: the alkyd enamels provided in example 1 and comparative examples 1 to 4 were subjected to a dry time determination according to GB/T25251-2010; the detection results are recorded in table 2.
TABLE 2 summary of results of Performance measurements for example 1 and comparative examples 1-4
Referring to Table 2, it can be seen from the results of Table 2 that none of the alkyd enamels provided in comparative examples 1-4 have a flash point that is less than the flash point provided in example 1; for stability, the alkyd enamels provided in comparative examples 1-4 all settled to a lesser extent than the alkyd enamels provided in example 1, and the alkyd enamels provided in comparative examples 1-4 also all had particles, lumps or brush marks that were not as great as the alkyd enamels provided in example 1; for the drying times, the open time length of the alkyd enamels provided in comparative examples 1-4 were all higher than the open time length of the alkyd enamels provided in example 1, and the open time length of the alkyd enamels provided in comparative examples 1-4 were also all higher than the open time length of the alkyd enamels provided in example 1. By way of illustration, in example 1, the superiority of diacetone alcohol having a higher flash point and a relatively lower boiling point is employed; meanwhile, the compatibility between alkyd resin and diacetone alcohol can be improved by adopting the epoxidized soybean oil acrylic ester, so that the stability of the alkyd enamel is enhanced.
Examples 6 to 8
Example 6
Based on example 1, this example differs from example 3 in that 0.048kg of fumed silica is also added; the remaining steps, conditions and parameters were the same as in example 1.
Example 7
Based on example 1, this example differs from example 3 in that 0.096kg of fumed silica is also added; the remaining steps, conditions and parameters were the same as in example 1.
Example 8
Based on example 1, this example differs from example 3 in that 0.144kg of fumed silica is also added; the remaining steps, conditions and parameters were the same as in example 1.
The alkyd enamels provided in example 1 and examples 6 to 8 were tested for performance, and specific test items and methods were as follows:
flash point: detecting the flash points of the alkyd enamels provided in the embodiment 1 and the embodiments 6 to 8 by adopting a micro automatic closed flash point tester; the manufacturer of the micro automatic closed flash point tester is Furand, and the model is FDT-0281; recording the detection results in table 3; stability performance: according to GB/T6753.3-1986, carrying out stability experiments on the alkyd enamels provided in the examples 1 and 6-8, evaluating the sedimentation degree of the alkyd enamels subjected to the stability experiments, brushing the alkyd enamels subjected to the stability experiments on the same test plate, and evaluating particles, gel blocks or brush marks after film formation; recording the detection results in table 3;
TABLE 3 summary of results of Performance measurements for example 1 and examples 6-8
Referring to Table 3, it can be seen from the results of Table 3 that the alkyd enamels provided in example 1 and examples 6 to 8 all have flash points above 70 ℃; for stability performance, the alkyd enamels provided in examples 6-8 all settled to a greater extent than the alkyd enamel provided in example 1, and the alkyd enamels provided in examples 6-8 also all had particles, lumps, or brush marks that were superior to the alkyd enamel provided in example 1. According to the description, in examples 6-8, the stability of the alkyd enamel during storage and use is further improved due to the introduction of the anti-settling thixotropic agent, so that the components in the coating system of the alkyd enamel are stably dispersed and are not easy to settle.
Examples 9 to 12
Example 9
Based on example 1, this example differs from example 1 in that 0.24kg of montmorillonite is also added; the remaining steps, conditions and parameters were the same as in example 1.
Example 10
Based on example 1, this example differs from example 1 in that 0.24kg of modified montmorillonite is also added; wherein, the modified montmorillonite is prepared from 0.225kg montmorillonite and 0.015kg polysiloxane quaternary ammonium salt-3; the remaining steps, conditions and parameters were the same as in example 1.
Example 11
Based on example 1, this example differs from example 1 in that 0.48kg of modified montmorillonite is also added in this example; wherein, the modified montmorillonite is prepared from 0.44kg montmorillonite and 0.04kg polyquaternium-10; the remaining steps, conditions and parameters were the same as in example 1.
Example 12
Based on example 1, this example differs from example 1 in that 0.72kg of modified montmorillonite is also added in this example; wherein, the modified montmorillonite is prepared from 0.64kg montmorillonite, 0.04kg polysiloxane quaternary ammonium salt-3 and 0.04kg polyquaternary ammonium salt-10; the remaining steps, conditions and parameters were the same as in example 1.
The alkyd enamels provided in example 1 and examples 9 to 12 were tested for performance, and specific test items and methods were as follows:
flash point: detecting the flash points of the alkyd enamels provided in the embodiment 1 and the embodiments 9 to 12 by adopting a micro automatic closed flash point tester; the manufacturer of the micro automatic closed flash point tester is Furand, and the model is FDT-0281; recording the detection results in table 4;
drying time: the alkyd enamels provided in example 1 and examples 9 to 12 were subjected to a dry time determination according to GB/T25251-2010; recording the detection results in table 4;
hardness: pencil hardness tests were performed on alkyd enamels provided in example 1 and examples 9-12 after film formation curing; the detection results are recorded in table 4.
Table 4 summary of the results of the performance tests for example 1 and examples 9-12
Referring to Table 4, it can be seen from the results of Table 4 that the alkyd enamels provided in example 1 and examples 9 to 12 all have flash points above 70 ℃; the alkyd enamels provided in examples 9 to 12 were each shorter in drying time than the alkyd enamel provided in example 1, with respect to drying time and hardness, and the alkyd enamels provided in examples 9 to 12 were also each harder than the alkyd enamel provided in example 1. In examples 9 to 12, the strength of the alkyd enamel after film formation and curing was further improved by the introduction of montmorillonite, and the drying speed was faster. Specifically, in examples 9 to 12, the alkyd enamel provided in examples 10 to 12 has a combination of properties superior to the alkyd enamel provided in example 9, and thus shows the superiority of modifying montmorillonite with an organic quaternary ammonium salt before introducing the modified montmorillonite into the alkyd enamel.
Examples 13 to 15
Example 13
Based on example 1, this example differs from example 1 in that 0.048kg of silicone defoamer is also added; the remaining steps, conditions and parameters were the same as in example 1.
Example 14
Based on example 1, this example differs from example 1 in that this example is also supplemented with 0.072kg of polyether defoamer; the remaining steps, conditions and parameters were the same as in example 1.
Example 15
Based on example 1, this example differs from example 1 in that 0.048kg of silicone defoamer and 0.048kg of polyether defoamer are also added; the remaining steps, conditions and parameters were the same as in example 1.
The alkyd enamels provided in example 1 and examples 13 to 15 were tested for performance, and specific test items and methods were as follows:
flash point: detecting the flash points of the alkyd enamels provided in the embodiment 1 and the embodiments 13 to 15 by adopting a micro automatic closed flash point tester; the manufacturer of the micro automatic closed flash point tester is Furand, and the model is FDT-0281; recording the detection results in table 5; defoaming performance: taking alkyd enamels with the same mass as that provided in the embodiment 1 and the embodiments 13-15, respectively placing the alkyd enamels in 4 identical containers, respectively carrying out stirring experiments on the alkyd enamels in the 4 containers, wherein the stirring time is 2h, respectively detecting the weight change rate of the alkyd enamels before and after the stirring experiments in the 4 containers; the detection results are recorded in table 5.
TABLE 5 summary of results of Performance measurements for example 1 and examples 13-15
| Flash point/. Degree.C | Rate of weight change/% | |
| Example 1 | ≥70 | ≤1 |
| Example 13 | ≥70 | ≤0.01 |
| Example 14 | ≥70 | ≤0.01 |
| Example 15 | ≥70 | ≤0.01 |
Referring to Table 5, it can be seen from the results of Table 5 that the alkyd enamels provided in example 1 and examples 13 to 15 all have flash points above 70 ℃; after stirring experiments, the alkyd enamel provided in example 1 has a weight change rate of less than 1%, and the alkyd enamels provided in examples 13-15 have a weight change rate of less than 0.1%. As a result, the alkyd enamels provided in examples 13 to 15 had a smaller amount of air to penetrate into the coating system than the alkyd enamels provided in example 1, so that the alkyd enamels provided in examples 13 to 15 had better defoaming properties due to the addition of the defoamer.
In summary, the alkyd enamel provided by the application has excellent properties.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. The high-flash-point safe alkyd enamel is characterized by comprising the following raw materials in parts by weight: 60-100 parts of alkyd resin, 10-20 parts of diacetone alcohol, 5-10 parts of epoxidized soybean oil acrylic ester, 1-3 parts of pigment, 0.5-1.5 parts of drier and 6-8 parts of water.
2. The high flash point safe alkyd enamel of claim 1, wherein the mass ratio between diacetone alcohol and the epoxidized soybean oil acrylate is 1-2:1.
3. The high flash point safe alkyd enamel of claim 1, wherein the pigment comprises at least one of titanium dioxide and talc; the drier comprises a rare earth isooctanoate drier.
4. The high flash point safe alkyd enamel of claim 1, further comprising an anti-settling thixotropic agent in an amount of 1 to 3 weight percent of the alkyd resin.
5. The high flash point safe alkyd enamel of claim 4, wherein the anti-settling thixotropic agent is fumed silica.
6. The high flash point safe alkyd enamel of claim 1, further comprising montmorillonite, wherein the montmorillonite is present in an amount of 5 to 15 weight percent of the alkyd resin.
7. The high-flash-point safe alkyd enamel according to claim 6, wherein the montmorillonite is modified montmorillonite and comprises the following raw materials in parts by weight: 15-25 parts of montmorillonite and 1-3 parts of organic modifier; wherein the organic modifier comprises at least one of organic quaternary ammonium salt.
8. The high flash point safe alkyd enamel of claim 1, further comprising an antifoaming agent in an amount of 1 to 2 weight percent of the alkyd resin.
9. The high flash point safe alkyd enamel of claim 8, wherein the defoamer comprises at least one of a silicone defoamer and a polyether defoamer.
10. A method of preparing the high flash point safe alkyd enamel of claim 1, comprising the steps of:
s1, mixing diacetone alcohol and epoxidized soybean oil acrylic ester according to parts by weight to obtain a premix, adding alkyd resin into the premix according to parts by weight, and mixing to obtain a mixture;
s2, adding pigment, drier and water into the mixed material obtained in the step S1 according to parts by weight, and mixing to obtain the high-flash-point safe alkyd enamel.
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