CN115505324A - Formula of waterborne polyurethane high-performance anti-UV finish paint - Google Patents
Formula of waterborne polyurethane high-performance anti-UV finish paint Download PDFInfo
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- CN115505324A CN115505324A CN202110628657.2A CN202110628657A CN115505324A CN 115505324 A CN115505324 A CN 115505324A CN 202110628657 A CN202110628657 A CN 202110628657A CN 115505324 A CN115505324 A CN 115505324A
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- water
- polyurethane
- waterborne polyurethane
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- 239000004814 polyurethane Substances 0.000 title claims abstract description 87
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 87
- 239000003973 paint Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000008367 deionised water Substances 0.000 claims abstract description 24
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 24
- 239000006184 cosolvent Substances 0.000 claims abstract description 17
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 15
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 15
- -1 polymethylene Polymers 0.000 claims abstract description 15
- 229920006389 polyphenyl polymer Polymers 0.000 claims abstract description 15
- 239000000654 additive Substances 0.000 claims abstract description 12
- 230000000996 additive effect Effects 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 38
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 12
- 229920000570 polyether Polymers 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 11
- 239000002518 antifoaming agent Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 10
- 239000002562 thickening agent Substances 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 8
- 239000000049 pigment Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical group OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 4
- JCTXKRPTIMZBJT-UHFFFAOYSA-N 2,2,4-trimethylpentane-1,3-diol Chemical compound CC(C)C(O)C(C)(C)CO JCTXKRPTIMZBJT-UHFFFAOYSA-N 0.000 claims description 2
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- NZYMWGXNIUZYRC-UHFFFAOYSA-N hexadecyl 3,5-ditert-butyl-4-hydroxybenzoate Chemical compound CCCCCCCCCCCCCCCCOC(=O)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NZYMWGXNIUZYRC-UHFFFAOYSA-N 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical class O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- 150000003077 polyols Chemical class 0.000 claims description 2
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical group COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 230000004048 modification Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a formula of a waterborne polyurethane high-performance anti-UV finish paint, which comprises the following raw materials: the water-based polyurethane comprises a water-based polyurethane material A, a water-based polyurethane material B, a UV additive and deionized water, wherein the water-based polyurethane material A comprises the following components in percentage by weight: the water-based polyurethane material B comprises the following components in percentage by weight: diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and a cosolvent. The formula of the waterborne polyurethane high-performance UV-resistant finish paint has the advantages of no pollution, safety, reliability, excellent mechanical property, good compatibility and easiness in modification, is simple to produce and operate, has small smell, can be used on the inner wall and the outer wall of a building, and can convert ultraviolet rays into harmless rays in other wave bands to achieve the UV-resistant effect.
Description
Technical Field
The invention relates to the technical field of wall paint, in particular to a formula of a waterborne polyurethane high-performance anti-UV paint.
Background
The wall paint is one of main decorative materials for wall decoration in home decoration, the wall paint is also divided into two types for an outer wall and an inner wall, the existing wall paint for the outer wall can prevent water, stain and weather change, the wall paint for the inner wall has the advantages of antibiosis, strong adhesiveness, environmental protection and no peculiar smell, and the waterborne polyurethane is a novel polyurethane system which takes water as a dispersion medium instead of an organic solvent, is more environment-friendly than the traditional polyurethane, and has the advantages of no pollution, safety, reliability, excellent mechanical property, good compatibility, easy modification and the like.
With the continuous use of the wall paint, the following problems are found in the practical construction process of coating the wall paint on the inner wall and the outer wall:
the existing exterior wall finish and interior wall finish need to be distinguished and used and cannot be mixed, but in the actual construction process, the condition of worker mixing or wrong use often occurs, the performance of the exterior wall finish and the interior wall finish is single, the environmental protection performance of a polyurethane raw material used by the traditional wall finish is lower than that of waterborne polyurethane, and the traditional polyurethane wall finish has the defects of large smell, complex production and processing and difficult cleaning.
Therefore, the formula of the waterborne polyurethane high-performance UV-resistant finish paint needs to be designed aiming at the problems.
Disclosure of Invention
The invention aims to provide a formula of a high-performance UV-resistant waterborne polyurethane finish, which aims to solve the problems that the exterior wall finish and the interior wall finish of the existing polyurethane wall finish in the prior art are easy to be mixed or used wrongly, the performances of the exterior wall finish and the interior wall finish are single, the environmental protection performance of a polyurethane raw material used by the traditional wall finish is lower than that of waterborne polyurethane, and the traditional polyurethane wall finish has the defects of large smell, complex production and processing and difficult cleaning.
In order to achieve the purpose, the invention provides the following technical scheme: a formula of a waterborne polyurethane high-performance anti-UV finishing paint comprises the following raw materials: the water-based polyurethane comprises a water-based polyurethane material A, a water-based polyurethane material B, a UV additive and deionized water, wherein the water-based polyurethane material A comprises the following components in percentage by weight: 60-80% of water-based polyether monomer, 0.5-1% of water-based dispersant, 0.2-0.5% of water-based leveling agent, 0.5-1% of thickening agent, 0.1-0.3% of defoaming agent, 0.2-1% of film-forming assistant, 10-15% of filler, 0.1-1% of pH regulator and 0-10% of pigment, wherein the water-based polyurethane B material comprises the following components in percentage by weight: 20% of diphenylmethane diisocyanate, 20-60% of polyphenyl polymethylene polyisocyanate, 10-40% of deionized water and 10-20% of cosolvent, wherein the preparation process of the formula of the waterborne polyurethane high-performance anti-UV finish paint comprises the following steps:
the method comprises the following steps:
quantitatively taking out a water-based polyether monomer, a water-based dispersing agent, a water-based flatting agent, a thickening agent, a defoaming agent, a film-forming assistant, a filler, a pH regulator and a pigment which are required by the preparation of the water-based polyurethane A material, pouring the mixture into a stirring kettle, and stirring at a temperature of between 25 and 30 ℃ at a speed of more than or equal to 2000r/min for 40 to 60min to obtain the water-based polyurethane A material;
step two:
quantifying and taking out the diphenylmethane diisocyanate, the polyphenyl polymethylene polyisocyanate, the deionized water and the cosolvent required by preparing the waterborne polyurethane B material, then pouring the waterborne polyurethane A material prepared in the step one into a stirring kettle, immediately pouring the diphenylmethane diisocyanate, the polyphenyl polymethylene polyisocyanate, the deionized water and the cosolvent into the stirring kettle, and stirring at the temperature of 25-30 ℃ at the speed of 3500-4000r/min for 1.5-2.0h;
step three:
and after the stirring in the step two is finished, raising the temperature of the stirring kettle to 40-50 ℃, preserving the heat for 6-12h, and naturally cooling to room temperature after the heat preservation time is finished to obtain the waterborne polyurethane high-performance anti-UV finish paint.
Preferably, the overall weight ratio of the waterborne polyurethane A material to the waterborne polyurethane B material to the UV additive to the deionized water is 2-6:1:0.1-0.3:5.
preferably, the aqueous dispersant in the aqueous polyurethane A is polyethylene glycol type polyol, and the aqueous dispersant is aqueousThe flatting agent is polyether modified siloxane, the thickening agent is polyether polyurethane, the defoaming agent is mineral oil liquid containing hydrophobic silicon dioxide, the film-forming additive is ethylene glycol phenyl ether or 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, and the filler is modified kaolin and nanoscale Al 2 O 3 And SiO 2 One or more of them, and the pH regulator is ammonia water.
Preferably, the cosolvent is propylene glycol methyl ether acetate or ethyl acetate.
Preferably, the UV additive is 2-hydroxy-4-n-octoxybenzophenone or n-hexadecyl 3, 5-di-tert-butyl-4-hydroxybenzoate.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts reasonable raw material proportion, so that the product quality is stable, the invention has the advantages of no pollution, safety, reliability, excellent mechanical property, good compatibility and easy modification, the production and the operation are simple, the smell is less, the invention can be used on the inner wall and the outer wall of a building, and simultaneously, ultraviolet rays can be converted into harmless rays of other wave bands, thereby achieving the anti-UV effect.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention provides a technical scheme that:
example 1:
the method comprises the following steps:
quantificationally taking out a water-based polyether monomer, a water-based dispersing agent, a water-based flatting agent, a thickening agent, a defoaming agent, a film-forming assistant, a filler, a pH regulator and a pigment which are required by preparing a water-based polyurethane A material, wherein the mass ratio of the components is as follows: 60:0.5:0.2:0.5:0.1:0.2:10:0.1:0, pouring the mixture into a stirring kettle, and stirring at the temperature of 25 ℃ at the speed of 2000r/min for 40min to obtain a waterborne polyurethane A material;
step two:
quantifying and taking out the diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and cosolvent required by preparing the waterborne polyurethane B material, wherein the mass ratio is as follows: 1:3:4:2, pouring the waterborne polyurethane A prepared in the first step into a stirring kettle, and immediately pouring diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and a cosolvent, wherein the overall weight ratio of the waterborne polyurethane A to the waterborne polyurethane B to the UV additive to the deionized water is 2:1:0.1:5, stirring at the temperature of 25 ℃ at the speed of 3500r/min for 1.5h;
step three:
and after the stirring in the step two is finished, raising the temperature of the stirring kettle to 40 ℃, preserving the heat for 6 hours, and naturally cooling to room temperature after the heat preservation time is finished to obtain the waterborne polyurethane high-performance anti-UV finish paint.
Example 2:
the method comprises the following steps:
quantitatively taking out a water-based polyether monomer, a water-based dispersant, a water-based flatting agent, a thickening agent, a defoaming agent, a film-forming assistant, a filler, a pH regulator and a pigment which are required by the preparation of the water-based polyurethane A material, wherein the mass ratio of the components is as follows: 70:0.75:0.3:0.75:0.2:0.5:12.5:0.5:0, pouring the mixture into a stirring kettle, and stirring at the temperature of 25 ℃ at the speed of 2000r/min for 40min to obtain a waterborne polyurethane A material;
step two:
quantifying and taking out the diphenylmethane diisocyanate, the polyphenyl polymethylene polyisocyanate, the deionized water and the cosolvent which are needed for preparing the waterborne polyurethane B material, wherein the mass ratio is as follows: 2:2:4:2, pouring the waterborne polyurethane A prepared in the step one into a stirring kettle, and immediately pouring diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and a cosolvent, wherein the overall weight ratio of the waterborne polyurethane A to the waterborne polyurethane B to the UV additive to the deionized water is 2:1:0.1:5, stirring at the temperature of 25 ℃ at the speed of 3500r/min for 2.0h;
step three:
and after the stirring in the step two is finished, raising the temperature of the stirring kettle to 40 ℃, preserving the heat for 6 hours, and naturally cooling to room temperature after the heat preservation time is finished to obtain the waterborne polyurethane high-performance anti-UV finish paint.
Example 3:
the method comprises the following steps:
quantificationally taking out a water-based polyether monomer, a water-based dispersing agent, a water-based flatting agent, a thickening agent, a defoaming agent, a film-forming assistant, a filler, a pH regulator and a pigment which are required by preparing a water-based polyurethane A material, wherein the mass ratio of the components is as follows: 80:1:0.5:1:0.3:1:15:1:0, pouring the mixture into a stirring kettle, and stirring at the temperature of 25 ℃ at the speed of 3000r/min for 40min to obtain a waterborne polyurethane A material;
step two:
quantifying and taking out the diphenylmethane diisocyanate, the polyphenyl polymethylene polyisocyanate, the deionized water and the cosolvent which are needed for preparing the waterborne polyurethane B material, wherein the mass ratio is as follows: 2:2:4:2, pouring the waterborne polyurethane A prepared in the step one into a stirring kettle, and immediately pouring diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and a cosolvent, wherein the overall weight ratio of the waterborne polyurethane A to the waterborne polyurethane B to the UV additive to the deionized water is 2:1:0.1:5, stirring at the temperature of 25 ℃ at the speed of 4000r/min for 2.0h;
step three:
and after the stirring in the step two is finished, raising the temperature of the stirring kettle to 40 ℃, preserving the heat for 6 hours, and naturally cooling to room temperature after the heat preservation time is finished to obtain the waterborne polyurethane high-performance anti-UV finish paint.
Example 4:
quantificationally taking out a water-based polyether monomer, a water-based dispersing agent, a water-based flatting agent, a thickening agent, a defoaming agent, a film-forming assistant, a filler, a pH regulator and a pigment which are required by preparing a water-based polyurethane A material, wherein the mass ratio of the components is as follows: 60:0.5:0.2:0.5:0.1:0.2:10:0.1:0, pouring the mixture into a stirring kettle, and stirring at the temperature of 30 ℃ at the speed of 3000r/min for 60min to obtain a waterborne polyurethane A material;
step two:
quantifying and taking out the diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and cosolvent required by preparing the waterborne polyurethane B material, wherein the mass ratio is as follows: 1:3:4:2, pouring the waterborne polyurethane A prepared in the step one into a stirring kettle, and immediately pouring diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and a cosolvent, wherein the overall weight ratio of the waterborne polyurethane A to the waterborne polyurethane B to the UV additive to the deionized water is 6:1:0.3:5, stirring at the temperature of 30 ℃ at the speed of 3500r/min for 2.0h;
step three:
and after the stirring in the step two is finished, raising the temperature of the stirring kettle to 50 ℃, preserving the heat for 12 hours, and naturally cooling to room temperature after the heat preservation time is finished to obtain the waterborne polyurethane high-performance anti-UV finish paint.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A formula of a waterborne polyurethane high-performance UV-resistant finish paint is characterized in that: the formula of the waterborne polyurethane high-performance UV-resistant finish paint comprises the following raw materials: the water-based polyurethane comprises a water-based polyurethane material A, a water-based polyurethane material B, a UV additive and deionized water, wherein the water-based polyurethane material A comprises the following components in percentage by weight: 60-80% of water-based polyether monomer, 0.5-1% of water-based dispersant, 0.2-0.5% of water-based flatting agent, 0.5-1% of thickening agent, 0.1-0.3% of defoaming agent, 0.2-1% of film-forming assistant, 10-15% of filler, 0.1-1% of pH regulator and 0-10% of pigment, wherein the water-based polyurethane B material comprises the following components in percentage by weight: 20% of diphenylmethane diisocyanate, 20-60% of polyphenyl polymethylene polyisocyanate, 10-40% of deionized water and 10-20% of cosolvent, wherein the preparation process of the formula of the waterborne polyurethane high-performance anti-UV finish paint comprises the following steps:
the method comprises the following steps:
quantitatively taking out a water-based polyether monomer, a water-based dispersant, a water-based flatting agent, a thickening agent, a defoaming agent, a film-forming assistant, a filler, a pH regulator and a pigment which are required by the preparation of the water-based polyurethane A material, pouring the mixture into a stirring kettle, and stirring at the temperature of 25-30 ℃ at the speed of more than or equal to 2000r/min for 40-60min to obtain the water-based polyurethane A material;
step two:
quantifying and taking out the diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and cosolvent required by the preparation of the waterborne polyurethane B material, then pouring the waterborne polyurethane A material prepared in the step one into a stirring kettle, immediately pouring the diphenylmethane diisocyanate, polyphenyl polymethylene polyisocyanate, deionized water and cosolvent into the stirring kettle, and stirring at the temperature of 25-30 ℃ at the speed of 3500-4000r/min for 1.5-2.0h;
step three:
and after the stirring in the step two is finished, raising the temperature of the stirring kettle to 40-50 ℃, preserving the heat for 6-12h, and naturally cooling to room temperature after the heat preservation time is finished to obtain the waterborne polyurethane high-performance anti-UV finish paint.
2. The waterborne polyurethane high-performance UV-resistant finishing coat formula as claimed in claim 1, is characterized in that: the overall weight ratio of the aqueous polyurethane A material to the aqueous polyurethane B material to the UV additive to the deionized water is 2-6:1:0.1-0.3:5.
3. the waterborne polyurethane high-performance UV-resistant finishing coat formula as claimed in claim 1, is characterized in that: the waterborne polyurethane A is prepared from a waterborne dispersing agent which is polyethylene glycol type polyol, a waterborne flatting agent which is polyether modified siloxane, a thickening agent which is polyether polyurethane, a defoaming agent which is mineral oil containing hydrophobic silicon dioxide, a film-forming assistant which is ethylene glycol phenyl ether or 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, and fillers which are modified kaolin and nano-scaleAl 2 O 3 And SiO 2 One or more of the pH regulator and ammonia water.
4. The waterborne polyurethane high-performance UV-resistant finishing coat formula as claimed in claim 1, is characterized in that: the cosolvent is propylene glycol methyl ether acetate or ethyl acetate.
5. The waterborne polyurethane high-performance UV-resistant finish paint formula according to claim 1, is characterized in that: the UV additive is 2-hydroxy-4-n-octoxy benzophenone or 3, 5-di-tert-butyl-4-hydroxybenzoic acid n-hexadecyl ester.
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| CN202110628657.2A CN115505324A (en) | 2021-06-07 | 2021-06-07 | Formula of waterborne polyurethane high-performance anti-UV finish paint |
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| CN202110628657.2A CN115505324A (en) | 2021-06-07 | 2021-06-07 | Formula of waterborne polyurethane high-performance anti-UV finish paint |
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Application publication date: 20221223 |