CN106009850A - High-weather-resistance paint and preparing method thereof - Google Patents
High-weather-resistance paint and preparing method thereof Download PDFInfo
- Publication number
- CN106009850A CN106009850A CN201610475418.7A CN201610475418A CN106009850A CN 106009850 A CN106009850 A CN 106009850A CN 201610475418 A CN201610475418 A CN 201610475418A CN 106009850 A CN106009850 A CN 106009850A
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- China
- Prior art keywords
- parts
- glycidyl ether
- benzyl glycidyl
- monoethanolamine benzoate
- otd
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- Granted
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- 239000003973 paint Substances 0.000 title abstract description 10
- 238000000034 method Methods 0.000 title abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 50
- QNYBOILAKBSWFG-UHFFFAOYSA-N 2-(phenylmethoxymethyl)oxirane Chemical compound C1OC1COCC1=CC=CC=C1 QNYBOILAKBSWFG-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 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 claims abstract description 25
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 25
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 24
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 24
- 239000005054 phenyltrichlorosilane Substances 0.000 claims abstract description 24
- ORVMIVQULIKXCP-UHFFFAOYSA-N trichloro(phenyl)silane Chemical compound Cl[Si](Cl)(Cl)C1=CC=CC=C1 ORVMIVQULIKXCP-UHFFFAOYSA-N 0.000 claims abstract description 24
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims abstract description 16
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims abstract description 15
- WUGCLPOLOCIDHW-UHFFFAOYSA-N 2-aminoethanol;benzoic acid Chemical compound [NH3+]CCO.[O-]C(=O)C1=CC=CC=C1 WUGCLPOLOCIDHW-UHFFFAOYSA-N 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 36
- 238000000576 coating method Methods 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 25
- 239000013530 defoamer Substances 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 17
- 239000012467 final product Substances 0.000 claims description 9
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 claims description 9
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 9
- 229920002554 vinyl polymer Polymers 0.000 claims description 9
- -1 Propylene glycol monomethyl ether acetic acid Ester Chemical class 0.000 claims description 4
- WQPPYOAGCWAZEI-UHFFFAOYSA-N ethylazanium;benzoate Chemical compound CC[NH3+].[O-]C(=O)C1=CC=CC=C1 WQPPYOAGCWAZEI-UHFFFAOYSA-N 0.000 abstract 4
- 229920000877 Melamine resin Polymers 0.000 abstract 1
- 239000004640 Melamine resin Substances 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 8
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 7
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- HSRJKNPTNIJEKV-UHFFFAOYSA-N Guaifenesin Chemical compound COC1=CC=CC=C1OCC(O)CO HSRJKNPTNIJEKV-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004299 exfoliation Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- IKAHFTWDTODWID-UHFFFAOYSA-N 2-hydroxyethylazanium;formate Chemical compound [O-]C=O.[NH3+]CCO IKAHFTWDTODWID-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- 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
- 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
- C09D7/63—Additives non-macromolecular organic
Abstract
The invention discloses high-weather-resistance paint and a preparing method thereof. The paint is prepared from, by weight, 25-35 parts of acrylic resin with the weight-average molecular weight being 80000-85000, 15-25 parts of melamine resin, 10-20 parts of propylene glycol monomethyl ether acetate, 8-12 parts of phenyl trichlorosilane, 4-6 parts of vinyl trimethoxy silane, 10-14 parts of titanium dioxide, 7-9 parts of talcum powder, 1-3 parts of defoaming agent OTD, 1-3 parts of a leveling agent DC-57 and 6-8 parts of monoethaneamine benzoate and benzyl glycidyl ether, wherein the weight ratio of monoethaneamine benzoate to benzyl glycidyl ether is (5-7):1. The paint is high in weather resistance and cold and hot alternating resistance, the weather resistance may be related with the weight ratio of monoethaneamine benzoate to benzyl glycidyl ether, and the weather resistance is highest when the weight ratio of monoethaneamine benzoate to benzyl glycidyl ether is (5-7):1.
Description
Technical field
The present invention relates to chemistry painting industry, be specifically related to a kind of high weatherability coating and preparation method thereof.
Background technology
A lot of to the report of weatherability coating at present, and existing weatherability coating substantially all can reach at common outdoor environment
To using requirement, but all there are disadvantages that.Easily ftracture after being irradiated certain time such as paint film by ultraviolet, paint film adhesion
Poor, be exposed to outdoor for a long time, cold-hot alternately, the performance such as anticorrosive the most not ideal enough, the entirety causing paint film is weather-proof
Property and service life are limited.
Summary of the invention
It is an object of the invention to provide a kind of high weatherability coating and preparation method thereof.
The above-mentioned purpose of the present invention is achieved by techniques below scheme:
A kind of high weatherability coating, is prepared from by the raw material of following weight portion: weight average molecular weight is the third of 80000～85000
Olefin(e) acid resin, 25～35 parts；Melmac, 15～25 parts；Propylene glycol methyl ether acetate, 10～20 parts；Phenyl trichlorine silicon
Alkane, 8～12 parts；Vinyltrimethoxy silane, 4～6 parts；Titanium dioxide, 10～14 parts；Pulvis Talci, 7～9 parts；Defoamer
OTD, 1～3 part；Levelling agent DC-57,1～3 part；Monoethanolamine benzoate and benzyl glycidyl ether totally 6～8 parts, benzoic acid
The weight ratio of monoethanolamine and benzyl glycidyl ether is 5～7:1.
Further, described high weatherability coating is made by the raw material of following weight portion: weight average molecular weight is 80000～85000
Acrylic resin, 30 parts；Melmac, 20 parts；Propylene glycol methyl ether acetate, 15 parts；Phenyl trichlorosilane,
10 parts；Vinyltrimethoxy silane, 5 parts；Titanium dioxide, 12 parts；Pulvis Talci, 8 parts；Defoamer OTD, 2 parts；Stream
Flat agent DC-57,2 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 7 parts, monoethanolamine benzoate and benzyl shrink
The weight ratio of glycerin ether is 6:1.
Further, described high weatherability coating is made by the raw material of following weight portion: weight average molecular weight is 80000～85000
Acrylic resin, 25 parts；Melmac, 15 parts；Propylene glycol methyl ether acetate, 10 parts；Phenyl trichlorosilane, 8
Part；Vinyltrimethoxy silane, 4 parts；Titanium dioxide, 10 parts；Pulvis Talci, 7 parts；Defoamer OTD, 1 part；Levelling
Agent DC-57,1 part；Monoethanolamine benzoate and benzyl glycidyl ether totally 6 parts, monoethanolamine benzoate and benzyl shrink sweet
The weight ratio of oil ether is 5:1.
Further, described high weatherability coating is made by the raw material of following weight portion: weight average molecular weight is 80000～85000
Acrylic resin, 35 parts；Melmac, 25 parts；Propylene glycol methyl ether acetate, 20 parts；Phenyl trichlorosilane,
12 parts；Vinyltrimethoxy silane, 6 parts；Titanium dioxide, 14 parts；Pulvis Talci, 9 parts；Defoamer OTD, 3 parts；Stream
Flat agent DC-57,3 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 8 parts, monoethanolamine benzoate and benzyl shrink
The weight ratio of glycerin ether is 7:1.
The preparation method of above-mentioned high weatherability coating, comprises the steps:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
Advantages of the present invention:
The coating weatherability that the present invention provides is strong, and cold-hot alternation is strong, and this may be with monoethanolamine benzoate in raw material and benzyl
The weight ratio of glycidyl ether is relevant, when the weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 5～7:1
Weatherability is the strongest.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit scope with this.To the greatest extent
The present invention is explained in detail by pipe with reference to preferred embodiment, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1: the preparation of weatherability coating
Parts by weight of raw materials compares:
Weight average molecular weight is the acrylic resin of 80000～85000,30 parts；Melmac, 20 parts；Propylene glycol monomethyl ether
Acetate, 15 parts；Phenyl trichlorosilane, 10 parts；Vinyltrimethoxy silane, 5 parts；Titanium dioxide, 12 parts；Pulvis Talci,
8 parts；Defoamer OTD, 2 parts；Levelling agent DC-57,2 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 7 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 6:1.
Preparation method:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
Embodiment 2: the preparation of weatherability coating
Parts by weight of raw materials compares:
Weight average molecular weight is the acrylic resin of 80000～85000,25 parts；Melmac, 15 parts；Propylene glycol monomethyl ether
Acetate, 10 parts；Phenyl trichlorosilane, 8 parts；Vinyltrimethoxy silane, 4 parts；Titanium dioxide, 10 parts；Pulvis Talci,
7 parts；Defoamer OTD, 1 part；Levelling agent DC-57,1 part；Monoethanolamine benzoate and benzyl glycidyl ether totally 6 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 5:1.
Preparation method:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
Embodiment 3: the preparation of weatherability coating
Parts by weight of raw materials compares:
Weight average molecular weight is the acrylic resin of 80000～85000,35 parts；Melmac, 25 parts；Propylene glycol monomethyl ether
Acetate, 20 parts；Phenyl trichlorosilane, 12 parts；Vinyltrimethoxy silane, 6 parts；Titanium dioxide, 14 parts；Pulvis Talci,
9 parts；Defoamer OTD, 3 parts；Levelling agent DC-57,3 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 8 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 7:1.
Preparation method:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
Embodiment 4: the preparation of weatherability coating
Parts by weight of raw materials compares:
Weight average molecular weight is the acrylic resin of 80000～85000,30 parts；Melmac, 20 parts；Propylene glycol monomethyl ether
Acetate, 15 parts；Phenyl trichlorosilane, 10 parts；Vinyltrimethoxy silane, 5 parts；Titanium dioxide, 12 parts；Pulvis Talci,
8 parts；Defoamer OTD, 2 parts；Levelling agent DC-57,2 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 7 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 5:1.
Preparation method:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
Embodiment 5: the preparation of weatherability coating
Parts by weight of raw materials compares:
Weight average molecular weight is the acrylic resin of 80000～85000,30 parts；Melmac, 20 parts；Propylene glycol monomethyl ether
Acetate, 15 parts；Phenyl trichlorosilane, 10 parts；Vinyltrimethoxy silane, 5 parts；Titanium dioxide, 12 parts；Pulvis Talci,
8 parts；Defoamer OTD, 2 parts；Levelling agent DC-57,2 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 7 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 7:1.
Preparation method:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
The weight ratio of embodiment 6: comparative example, monoethanolamine benzoate and benzyl glycidyl ether is 4:1
Parts by weight of raw materials compares:
Weight average molecular weight is the acrylic resin of 80000～85000,30 parts；Melmac, 20 parts；Propylene glycol monomethyl ether
Acetate, 15 parts；Phenyl trichlorosilane, 10 parts；Vinyltrimethoxy silane, 5 parts；Titanium dioxide, 12 parts；Pulvis Talci,
8 parts；Defoamer OTD, 2 parts；Levelling agent DC-57,2 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 7 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 4:1.
Preparation method:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
The weight ratio of embodiment 7: comparative example, monoethanolamine benzoate and benzyl glycidyl ether is 8:1
Parts by weight of raw materials compares:
Weight average molecular weight is the acrylic resin of 80000～85000,30 parts；Melmac, 20 parts；Propylene glycol monomethyl ether
Acetate, 15 parts；Phenyl trichlorosilane, 10 parts；Vinyltrimethoxy silane, 5 parts；Titanium dioxide, 12 parts；Pulvis Talci,
8 parts；Defoamer OTD, 2 parts；Levelling agent DC-57,2 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 7 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 8:1.
Preparation method:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
Embodiment 8: effect example
Being coated on steel plate by the weather-resistant coating of embodiment～7 preparations, steel plate coating advance row oil removing, rust cleaning, to ensure steel plate table
Face is cleaned, is dried, and coating all uses identical coating processes to coat, and the most at room temperature carries out the test of correlated performance after solidification.
Heat-resisting quantity is tested: is put in Muffle furnace by model, is warmed up to 150 DEG C, takes out, be cooled to room temperature after placing 10 hours,
Observe specimen surface situation, as without pull-away, be full of cracks situation, illustrated that paint film heat resistance is good.
Cold-hot alternation performance test: be put in Muffle furnace by model, is warmed up to 150 DEG C, is incubated 10 hours, takes out, puts into
Cold water soaks 1 hour, is 1 cycle.In 5 cycles repeatedly, observe paint film change.As but without pull-away, be full of cracks
Situation, illustrates that paint film cold-hot alternation is functional.
Test result see table.
| Heat-resisting quantity | Cold-hot alternation (cycle) | |
| Embodiment 1 | Do not chap, do not fall off | 5 |
| Embodiment 4 | Do not chap, do not fall off | 5 |
| Embodiment 5 | Do not chap, do not fall off | 5 |
| Embodiment 6 | Be full of cracks, partial exfoliation | 2 |
| Embodiment 7 | Be full of cracks, partial exfoliation | 2 |
Embodiment 2,3 effect is consistent with embodiment 4,5.
Above-mentioned test result indicate that, the coating weatherability that the present invention provides is strong, and cold-hot alternation is strong, and this may be with benzene in raw material
Formic acid monoethanolamine is relevant with the weight ratio of benzyl glycidyl ether, monoethanolamine benzoate and the weight of benzyl glycidyl ether
When the ratio of amount part is 5～7:1, weatherability is the strongest.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit protection scope of the present invention with this.
It will be understood by those within the art that, technical scheme can be modified or equivalent, and not take off
Essence and protection domain from technical solution of the present invention.
Claims (5)
1. a high weatherability coating, it is characterised in that be prepared from by the raw material of following weight portion: weight average molecular weight is
The acrylic resin of 80000～85000,25～35 parts；Melmac, 15～25 parts；Propylene glycol methyl ether acetate, 10～20
Part；Phenyl trichlorosilane, 8～12 parts；Vinyltrimethoxy silane, 4～6 parts；Titanium dioxide, 10～14 parts；Pulvis Talci,
7～9 parts；Defoamer OTD, 1～3 part；Levelling agent DC-57,1～3 part；Monoethanolamine benzoate and benzyl glycidyl ether are altogether
6～8 parts, the weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 5～7:1.
High weatherability coating the most according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion:
Weight average molecular weight is the acrylic resin of 80000～85000,30 parts；Melmac, 20 parts；Propylene glycol monomethyl ether acetic acid
Ester, 15 parts；Phenyl trichlorosilane, 10 parts；Vinyltrimethoxy silane, 5 parts；Titanium dioxide, 12 parts；Pulvis Talci, 8
Part；Defoamer OTD, 2 parts；Levelling agent DC-57,2 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 7 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 6:1.
High weatherability coating the most according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion:
Weight average molecular weight is the acrylic resin of 80000～85000,25 parts；Melmac, 15 parts；Propylene glycol monomethyl ether acetic acid
Ester, 10 parts；Phenyl trichlorosilane, 8 parts；Vinyltrimethoxy silane, 4 parts；Titanium dioxide, 10 parts；Pulvis Talci, 7
Part；Defoamer OTD, 1 part；Levelling agent DC-57,1 part；Monoethanolamine benzoate and benzyl glycidyl ether totally 6 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 5:1.
High weatherability coating the most according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion:
Weight average molecular weight is the acrylic resin of 80000～85000,35 parts；Melmac, 25 parts；Propylene glycol monomethyl ether acetic acid
Ester, 20 parts；Phenyl trichlorosilane, 12 parts；Vinyltrimethoxy silane, 6 parts；Titanium dioxide, 14 parts；Pulvis Talci, 9
Part；Defoamer OTD, 3 parts；Levelling agent DC-57,3 parts；Monoethanolamine benzoate and benzyl glycidyl ether totally 8 parts,
The weight ratio of monoethanolamine benzoate and benzyl glycidyl ether is 7:1.
5. the preparation method of the arbitrary described high weatherability coating of Claims 1 to 4, it is characterised in that comprise the steps:
Step S1, by acrylic resin, melmac, propylene glycol methyl ether acetate, phenyl trichlorosilane and vinyl three
Methoxy silane mixes, and stirs；
Step S2, adds titanium dioxide and Pulvis Talci, continues stirring 1～2h；
Step S3, adds defoamer OTD, levelling agent DC-57, monoethanolamine benzoate and benzyl glycidyl ether, continues to stir
Mix 1～2h, stir and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475418.7A CN106009850B (en) | 2016-06-22 | 2016-06-22 | A kind of high weatherability coating and preparation method thereof |
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| CN114517039A (en) * | 2022-03-29 | 2022-05-20 | 佛山市顺德区固得丽涂料有限公司 | Novel cold-heat-resistant impact-resistant coating and preparation method thereof |
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| CN114517039A (en) * | 2022-03-29 | 2022-05-20 | 佛山市顺德区固得丽涂料有限公司 | Novel cold-heat-resistant impact-resistant coating and preparation method thereof |
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Denomination of invention: The invention relates to a high weather resistant coating and a preparation method thereof Effective date of registration: 20211214 Granted publication date: 20181116 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: Guangdong Hesheng industry Limited by Share Ltd. Registration number: Y2021980014953 |