CN116102959A - High-gloss alkyd paint and preparation method thereof - Google Patents
High-gloss alkyd paint and preparation method thereof Download PDFInfo
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- CN116102959A CN116102959A CN202211622441.6A CN202211622441A CN116102959A CN 116102959 A CN116102959 A CN 116102959A CN 202211622441 A CN202211622441 A CN 202211622441A CN 116102959 A CN116102959 A CN 116102959A
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- Prior art keywords
- alkyd
- paint
- alkyd paint
- high gloss
- alkyd resin
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- 229920000180 alkyd Polymers 0.000 title claims abstract description 78
- 239000003973 paint Substances 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000012767 functional filler Substances 0.000 claims abstract description 24
- 239000000049 pigment Substances 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 14
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 13
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 claims description 27
- 239000011259 mixed solution Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000013557 residual solvent Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims 3
- 238000013019 agitation Methods 0.000 claims 2
- 239000002671 adjuvant Substances 0.000 claims 1
- AQEFLFZSWDEAIP-UHFFFAOYSA-N di-tert-butyl ether Chemical compound CC(C)(C)OC(C)(C)C AQEFLFZSWDEAIP-UHFFFAOYSA-N 0.000 claims 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 46
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 24
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 23
- 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 abstract description 19
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 238000001035 drying Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- GICQWELXXKHZIN-UHFFFAOYSA-N 2-[2-[(2-methylpropan-2-yl)oxy]ethoxy]ethanol Chemical compound CC(C)(C)OCCOCCO GICQWELXXKHZIN-UHFFFAOYSA-N 0.000 description 7
- 235000009161 Espostoa lanata Nutrition 0.000 description 7
- 240000001624 Espostoa lanata Species 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000005028 tinplate Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 241001422033 Thestylus Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Classifications
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The invention relates to the technical field of alkyd paint preparation, in particular to the field of IPCC09D167, and more particularly relates to high-gloss alkyd paint and a preparation method thereof. The high-gloss alkyd paint comprises the following components in parts by weight: 40-60wt% of alkyd resin, 10-20wt% of pigment, 10-20wt% of functional filler, 0.5-2wt% of auxiliary agent and the balance of solvent. Alkyd resin, pigment and functional filler in a weight ratio of 11: (3-5): (2-6), the adhesive force and the glossiness of the prepared alkyd paint can be improved; the functional filler is calcium carbonate, diatomite and talcum powder, wherein the weight ratio of the calcium carbonate to the diatomite to the talcum powder is 1: (1-2): (0.5-1), the time for the alkyd paint to dry can be further reduced.
Description
Technical Field
The invention relates to the technical field of alkyd paint preparation, in particular to the field of IPCC09D167, and more particularly relates to high-gloss alkyd paint and a preparation method thereof.
Background
Alkyd paint mainly consists of alkyd resin, and is the paint with the largest domestic production amount. The method has the advantages of low price, simple construction, low requirements on construction environment, plump and hard coating film, good durability and weather resistance, good decorative and protective properties, and the like. However, the existing alkyd paint has the defects of slower drying, lower glossiness, difficult achievement of higher requirements of a coating film and inapplicability to occasions with high decoration.
CN 101875811B discloses an alkyd paint for ships and a preparation method thereof. The alkyd paint for the ship consists of the following components in parts by weight: 5 to 50 parts of alkyd resin, 5 to 50 parts of polyurethane modified alkyd resin, 5 to 30 parts of organic solvent, 1 to 7 parts of drier, 1 to 35 parts of pigment and 1 to 12 parts of additive. The advantages of good weather resistance, adhesive force, recoating property and the like of the common alkyd paint are maintained, meanwhile, the hardness, corrosion resistance and wear resistance of a coating film are obviously improved, and the paint can be widely applied to the field of ships. However, the invention uses a lot of organic solvents such as toluene, has a certain smell, and meanwhile, the glossiness is not high enough, so that the invention is not suitable for metal decoration coating.
Disclosure of Invention
To overcome the disadvantages of the background art, the first aspect of the present invention provides a high gloss alkyd paint comprising, in weight percent: 40-60wt% of alkyd resin, 10-20wt% of pigment, 10-20wt% of functional filler, 0.5-2wt% of auxiliary agent and the balance of solvent.
The acid value of the alkyd resin is 7-15mg KOH/g.
Preferably, the alkyd resin has an acid number of 7-12mg KOH/g.
Further preferably, the alkyd resin is self-made by the present company, the acid number of the alkyd resin is 7mg KOH/g, and the viscosity of the alkyd resin is 22s (Grignard tube, 25 ℃).
Preferably, the pigment comprises at least one of titanium white, iron oxide red, iron oxide yellow, hansha yellow, dalaman yellow, phthalocyanine blue, phthalocyanine green, and carbon black.
Further preferably, the pigment comprises titanium white, iron oxide red, iron oxide yellow and phthalocyanine blue, and is prepared according to the use requirement.
The auxiliary agent comprises a leveling agent and a dispersing agent, wherein the weight ratio of the leveling agent to the dispersing agent is 1: (0.5-1.2).
Preferably, the auxiliary agent comprises a leveling agent and a dispersing agent, wherein the weight ratio of the leveling agent to the dispersing agent is 1: (0.6-1.0).
Further preferably, the auxiliary agent comprises a leveling agent and a dispersing agent, wherein the weight ratio of the leveling agent to the dispersing agent is 1:0.8.
the leveling agent comprises: at least one of BYK346, BYK333, BYK301, and BYK 307.
Preferably, the leveling agent is BYK333, available from Shandong Wang Biotechnology Co.
The dispersant comprises one or more of Efka-4310, efka-4060, efka-4061, efka-4010, efka-4015, efka-4050 and Efka-4310.
Preferably, the dispersant comprises Efka-4010, available from Shenzhen Fu Tian Ou Zhong bang trade.
The applicant has found that the weight ratio of alkyd resin, pigment and functional filler is 11: (3-5): and (2-6), the adhesive force and the glossiness of the prepared alkyd paint can be improved, the compatibility between the alkyd resin and the pigment is presumed to be poor, a phase separation area is easy to appear, surface defects are increased, the glossiness of a paint film is affected to a certain extent, particularly, filler with 4000-6000 meshes is added, the glossiness of the paint film is improved to a certain extent, the filler with a specific particle size possibly has larger specific surface area, the filler can be filled in surface layer defects, and the light scattering capability is reduced. Further research shows that when the functional filler is calcium carbonate, diatomite and talcum powder, the weight ratio of the calcium carbonate to the diatomite is 1: (1-2): (0.5-1), the actual drying time of the alkyd paint can be further reduced, and probably, calcium carbonate can improve the adhesive force of the alkyd paint due to the spherical structure of the calcium carbonate, but excessive calcium carbonate addition reduces the fluidity of the paint, so that the actual drying time is prolonged, the diatomite has a specific porous structure, the speed of entering oxygen into a coating is increased, and the diatomite acts together with talcum powder with a sheet structure, so that the actual drying time of a paint film is effectively reduced. Further researches show that the weight ratio of calcium carbonate, diatomite and talcum powder is 1:1.5: when the water repellent paint is used for forming a film, the drying effect of the alkyd paint can be further improved, and the alkyd paint can be calcium carbonate, diatomite and talcum powder, so that the dispersing effect of the surface layer is good, the acting force between surface groups is improved, the hydrophobic performance is improved, water is repelled in the film forming process, and oxygen is easier to diffuse and permeate into the paint film, so that the faster drying effect is achieved.
Preferably, the alkyd resin, pigment and functional filler are present in a weight ratio of 11: (3-5): (2-6).
Further preferably, the alkyd resin, pigment and functional filler are present in a weight ratio of 29:9:7.
the functional filler comprises at least one of ferric phosphate, zinc phosphate, barium sulfate, calcium carbonate, diatomite, talcum powder, mica, porcelain clay and silicon dioxide.
Preferably, the functional filler comprises calcium carbonate, diatomite and talcum powder, wherein the weight ratio of the calcium carbonate to the diatomite is 1: (1-2): (0.5-1).
Further preferably, the functional filler comprises calcium carbonate, diatomite and talcum powder, wherein the weight ratio of the calcium carbonate to the diatomite to the talcum powder is 1:1.5:0.5.
preferably, the functional filler mesh is 4000-6000 mesh.
Further preferably, the calcium carbonate is purchased from the new material science and technology company of Yongzhuo, ministry of life, and the mesh number is 4000 mesh; the diatomite is purchased from an Anda mineral powder factory in the Ming county, and the mesh number is 4000 mesh; the talcum powder is purchased from an Anda mineral powder factory in the Ming-shou county, and the mesh number is 4000.
Preferably, the solvent comprises diethylene glycol tertiary butyl ether (CAS: 7580-85-0) and dimethyl sulfide (CAS: 75-18-3), wherein the volume ratio of the diethylene glycol tertiary butyl ether to the dimethyl sulfide is 1: (0.1-0.5).
Further preferred, the solvent comprises diethylene glycol tertiary butyl ether (CAS: 7580-85-0) and dimethyl sulfide (CAS: 75-18-3), the volume ratio of diethylene glycol tertiary butyl ether to dimethyl sulfide being 1:0.2.
in a second aspect, the present invention provides a method for preparing a high gloss alkyd paint, comprising the steps of:
s1, adding part of alkyd resin and part of solvent, uniformly stirring, and adding part of auxiliary agent while stirring to obtain a mixed solution 1;
s2, adding the pigment and the functional filler into the mixed solution 1, and uniformly stirring and mixing to obtain a mixed solution 2;
s3, grinding the mixed solution 2 by a sand mill to obtain a mixed solution 3;
s4, adding the residual alkyd resin and the residual auxiliary agent into the mixed solution 3, adjusting the viscosity by adding a proper amount of residual solvent, checking, filtering and packaging to obtain the alkyd paint.
Preferably, the proportion of alkyd resin is 50-75wt% of the total alkyd resin.
Further preferably, the proportion of alkyd resin is 66% by weight of the total alkyd resin.
Preferably, the stirring speed in the step S2 is 1300-1500rpm, and the stirring time in the step S2 is 40-70min.
Further preferably, the stirring speed in the step S2 is 1400rpm, and the stirring time in the step S2 is 60min.
Preferably, the fineness of the mixed solution 3 is 20-50 μm.
Further preferably, the fineness of the mixed liquid 3 is 30 μm.
The beneficial effects are that:
1. alkyd resin, pigment and functional filler in a weight ratio of 11: (3-5): and (2-6), the adhesive force and the glossiness of the prepared alkyd paint can be improved.
2. The functional filler is calcium carbonate, diatomite and talcum powder, wherein the weight ratio of the calcium carbonate to the diatomite to the talcum powder is 1: (1-2): (0.5-1), the time for the alkyd paint to dry can be further reduced.
Detailed Description
Example 1
The alkyd paint with high gloss comprises the following components in parts by weight: 58wt% of alkyd resin, 18wt% of pigment, 14wt% of functional filler, 1wt% of auxiliary agent and the balance of solvent.
The alkyd resin is self-made by the company, the acid value of the alkyd resin is 7mg KOH/g, and the viscosity of the alkyd resin is 22s (Grignard tube, 25 ℃).
The auxiliary agent comprises a leveling agent and a dispersing agent, wherein the weight ratio of the leveling agent to the dispersing agent is 1:0.8.
the leveling agent comprises BYK333, which is purchased from Shandong Wang Biotechnology Co.
The dispersant comprises Efka-4010, purchased from Shenzhen Fu Tian Ou Zhong bang trade.
The functional filler comprises calcium carbonate, diatomite and talcum powder; the weight ratio of the calcium carbonate to the diatomite to the talcum powder is 1:1.5:0.5.
the calcium carbonate is purchased from the new Yongzhuo materials science and technology limited company in the Ministry of life, and the mesh number is 4000 mesh; the diatomite is purchased from an Anda mineral powder factory in the Ming county, and the mesh number is 4000 mesh; the talcum powder is purchased from an Anda mineral powder factory in the Ming-shou county, and the mesh number is 4000.
The solvent comprises diethylene glycol tertiary butyl ether (CAS: 7580-85-0) and dimethyl sulfide (CAS: 75-18-3), and the volume ratio of the diethylene glycol tertiary butyl ether to the dimethyl sulfide is 1:0.2.
a method for preparing a high gloss alkyd paint comprising the steps of:
s1, adding part of alkyd resin and part of solvent, stirring at 350rpm for 5min, adding a dispersing agent, and continuing stirring for 5min to obtain a mixed solution 1;
s2, adding the pigment and the functional filler into the mixed solution 1, and uniformly stirring and mixing to obtain a mixed solution 2;
s3, grinding the mixed solution 2 by a sand mill to obtain a mixed solution 3;
and S4, adding the residual alkyd resin, the flatting agent and the residual solvent into the mixed solution 3, adjusting the viscosity to 120S (Grignard tube, 25 ℃), checking, filtering and packaging to obtain the alkyd paint.
The weight percentage of the partial alkyd resin in the whole alkyd resin is 66wt%.
The volume percentage of the partial solvent to the total solvent is 70vol%.
The stirring speed in the step S2 is 1400rpm, and the stirring time in the step S2 is 60min.
The fineness of the mixed liquid 3 was 30. Mu.m (a blade fineness gauge, model: QXD-50).
Example 2
The detailed description is the same as example 1; except that in example 2: the weight ratio of the leveling agent to the dispersing agent is 1:0.8; the volume ratio of the diethylene glycol tertiary butyl ether to the dimethyl sulfide is 1:0.1.
comparative example 1
The detailed description is the same as example 1; except that in comparative example 1: the alkyd paint with high gloss comprises the following components in parts by weight: 50wt% of alkyd resin, 20wt% of pigment, 8wt% of functional filler, 1wt% of auxiliary agent and the balance of solvent.
Comparative example 2
The detailed description is the same as example 1; except that in comparative example 2: the weight ratio of the calcium carbonate to the diatomite to the talcum powder is 2:0.5:0.3.
comparative example 3
The detailed description is the same as example 1; except that in comparative example 3: the functional filler comprises calcium carbonate and talcum powder; the weight ratio of the calcium carbonate to the talcum powder is 1:0.5.
performance test method
The alkyd paints prepared in examples and comparative examples were applied uniformly to the surface of a standard tinplate by brushing to form a paint film having a thickness of 1mm, and surface dry-out tests were performed, and the test data are shown in Table 1.
1. And (3) surface dry test: referring to GB/T1728-79 (88), a cotton ball blowing method is adopted, drying is carried out for a period of time at 25 ℃, a absorbent cotton ball is placed on the surface of a paint film, the absorbent cotton ball is lightly blown by a nozzle along the horizontal direction, if the absorbent cotton ball can be blown away, and cotton threads are not remained on the surface of the film, the surface is considered to be dried, testing is carried out at intervals of 10 minutes, and the actual drying time is recorded.
2. And (3) real-dry test: referring to GB/T1728-79 (88), a cotton ball pressing method is adopted, drying is carried out for a period of time at 25 ℃, a tester and absorbent cotton balls are removed after 30 seconds, if no cotton ball mark and no light loss phenomenon exist on a paint film, actual drying is considered, testing is carried out at intervals of 1 hour, and the actual drying time is recorded.
The alkyd paints prepared in examples and comparative examples were applied uniformly to the surface of a standard tinplate by brushing to form a paint film having a thickness of 1mm, and the paint film was put into an oven at a temperature of 70℃for drying for 2 hours, placed in an environment at a humidity of 50% at 25℃and cooled for 2 hours, and subjected to gloss and adhesion tests. The test data are listed in table 1.
1. Gloss test: with reference to ASTM D523 standard, a BYK Gardner glossmeter was used.
The resulting paint film was tested at a selected 60 ° angle.
2. Adhesion test: the tin plate coated with the paint film was fixed to a piece of movable software in the front-back, left-right, and right directions with reference to GB/T1720-79 (89), and the stylus as a circular motion was scratched through the paint film and was scratched to a coincident circular rolling line texture while the platform was moving, and the position of paint film damage was observed from the circular rolling line texture to test the level of adhesion.
Performance test data
TABLE 1
| Surface dry (min) | Real dry (h) | Gloss level | Adhesion (grade) | |
| Example 1 | 100 | 15 | 95 | 1 |
| Example 2 | 110 | 15 | 94 | 1 |
| Comparative example 1 | 140 | 19 | 72 | 2 |
| Comparative example 2 | 140 | 19 | 65 | 2 |
| Comparative example 3 | 150 | 21 | 70 | 2 |
Claims (10)
1. The alkyd paint with high gloss is characterized by comprising the following components in parts by weight: 40-60wt% of alkyd resin, 10-20wt% of pigment, 10-20wt% of functional filler, 0.5-2wt% of auxiliary agent and the balance of solvent.
2. A high gloss alkyd paint as claimed in claim 1, wherein the alkyd resin has an acid number of from 7 to 15mgKOH/g.
3. A high gloss alkyd paint as claimed in claim 1 or claim 2, wherein the alkyd resin, pigment and functional filler are present in a weight ratio of 11: (3-5): (2-6).
4. A high gloss alkyd paint according to claim 3, wherein the functional filler mesh is 4000-6000 mesh.
5. The high gloss alkyd paint of claim 1, wherein the solvent comprises diethylene glycol t-butyl ether and dimethyl sulfide in a volume ratio of 1: (0.1-0.5).
6. The high gloss alkyd paint of claim 1, wherein the adjuvant comprises a leveling agent and a dispersant in a weight ratio of 1: (0.5-1.2).
7. A method of preparing a high gloss alkyd paint according to any of claims 1-6, comprising the steps of:
s1, adding part of alkyd resin and part of solvent, uniformly stirring, and adding part of auxiliary agent while stirring to obtain a mixed solution 1;
s2, adding the pigment and the functional filler into the mixed solution 1, and uniformly stirring and mixing to obtain a mixed solution 2;
s3, grinding the mixed solution 2 by a sand mill to obtain a mixed solution 3;
s4, adding the residual alkyd resin and the residual auxiliary agent into the mixed solution 3, adjusting the viscosity by adding a proper amount of residual solvent, checking, filtering and packaging to obtain the alkyd paint.
8. The method of claim 7, wherein the alkyd resin comprises 50-75wt% of the total alkyd resin.
9. The high gloss alkyd paint of claim 8, wherein the speed of agitation in step S2 is 1300-1500rpm and the time of agitation in step S2 is 40-70 minutes.
10. The high gloss alkyd paint of claim 7, wherein the fineness of the mixed liquor 3 is 20-50 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211622441.6A CN116102959A (en) | 2022-12-16 | 2022-12-16 | High-gloss alkyd paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211622441.6A CN116102959A (en) | 2022-12-16 | 2022-12-16 | High-gloss alkyd paint and preparation method thereof |
Publications (1)
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