CN109294417A - A kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon - Google Patents
A kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon Download PDFInfo
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- CN109294417A CN109294417A CN201811135391.2A CN201811135391A CN109294417A CN 109294417 A CN109294417 A CN 109294417A CN 201811135391 A CN201811135391 A CN 201811135391A CN 109294417 A CN109294417 A CN 109294417A
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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
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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Abstract
The present invention relates to a kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon, it uses through the modified acrylic acid polyester resin water-based emulsion of hydroxy silicon oil and Vinyldimethylethoxysilane as matrix resin, it is aided with Vinyl MQ silicon resin that is curable and improving hardness and insulating properties simultaneously, it is characterized in that, based on parts by weight, composition composition is as follows: 40~50 parts of organosilicon-modified acrylic polyester resin emulsions, 8~12 parts of Vinyl MQ silicon resins, 6~10 parts of coalescing agent, 1~2 part of water-soluble photoinitiator, 0.5~1 part of dispersing agent, 1~2 part of levelling agent, 0.1~0.2 part of defoaming agent, 10-20 parts of water, 0~25 part of filler；The present invention has the advantages that aqueous, environmental protective, good insulating, hydrophobic effect are good, with high hardness, especially suitable for electric appliance casing.
Description
Technical field
The present invention relates to a kind of water paint more particularly to a kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon, belong to
In environmental technology field.
Technical background
Insulation is exactly that electrical body is isolated or is wrapped up using nonconducting substance, to one to shield that gets an electric shock
Kind safety measure.Safe operation of the good insulation for guarantee electrical equipment and route, prevents the generation of accident of human electric shock
It is most basic and most reliable means.Insulated paint is paint one of class special varnish, can be based on high molecular polymer
The important insulating materials of insulating film or insulation entirety is solidified under conditions of certain.The insulated paint of domestic production at present, is generally deposited
In the problem of curing time length, high-temperature resistant result difference and related adhesion difference, it is easy to appear to split and sticks up phenomenon, to a certain extent
Affect the insulation effect that insulated paint is played.
Insulated paint thermal conductivity in the prior art is bad and weatherability, and applicable situation is single, and based on solvent type.
Such as: Chinese patent CN201810158722.8 discloses a kind of electrical appliance enclosure special isolation paint, including such as
The raw material of lower parts by weight: 20~30 parts of epoxy resin, 15~24 parts of phenolic resin, 12~21 parts of alkyd resin, containing hydrogen silicone oil 16
~23 parts, 7~13 parts of dimethylbenzene, 3~9 parts of Nano diamond, 6~12 parts of modification infusorial earth, 2~5 parts of metatitanic acid tetra isopropyl ester,
1~4 part of Lignosite, 2~3 parts of lignocellulosic, 2~4 parts of calcium stearate, 1~3 part of dimethyl silicone polymer, coupling agent 2
~5 parts, 1~2 part of curing agent, 2~3 parts of levelling agent.Electrical appliance enclosure special isolation paint good heat conductivity described in the invention,
And there is good weatherability, be suitable for a variety of occasions.But the invention has used a large amount of organic solvents, the industry it is aqueous
Change extremely urgent.
Summary of the invention
It is in order to overcome the shortcomings of the prior art and insufficient, the present invention is intended to provide a kind of modified high rigidity of waterborne organic silicon is hydrophobic
UV insulated paint.
A kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon, using through hydroxy silicon oil and dimethyl ethenyl ethoxy
The modified acrylic acid polyester resin water-based emulsion of base silane is matrix resin, while being aided with curable and improving hardness and insulating properties
Vinyl MQ silicon resin, which is characterized in that based on parts by weight, composition composition it is as follows: 40~50 parts organic-silicon-modified third
Olefin(e) acid polyester resin emulsion, 8~12 parts of Vinyl MQ silicon resins, coalescing agent 6~10 parts, 1~2 part water-soluble photoinitiator, 0.5
~1 part of dispersing agent, 1~2 part of levelling agent, 0.1~0.2 part of defoaming agent, 10-20 parts of water, 0~25 part of filler.
It is 0.5:1~0.8:1, vinyl mass fraction 3%~5% that the Vinyl MQ silicon resin, which obtains M, Q ratio,；
The coalescing agent be alcohol ester 12, ethylene glycol monobutyl ether, propylene glycol monobutyl ether, in propylene glycol methyl ether acetate extremely
Few one kind.
The water-soluble photoinitiator is 2,2-azo groups-bis- (2 one amidine propanes), thiosulfuric acid phenacylate sodium
At least one of the aqueous benzoic acid of salt, quaternary, aqueous sulfonate type dimethyl benzene ketone derivatives.
The dispersing agent select polyocarboxy acid type anionic dispersing agents, in non-ionic polymer waterborne dispersing agent at least
It is a kind of；
The defoaming agent is organic silicon defoamer, in fatty glyceride, phosphoric acid ester, polyethers ionic surface active agent
It is at least one；
The levelling agent is organosilicon levelling agent；The defoaming agent is that polyethers is esterified class defoaming agent；
The filler is at least one of light calcium carbonate powder, mica powder, kaolin, barium sulfate, silicon calcium powder, titanium dioxide.
The organosilicon-modified acrylic polyester resin emulsion, based on parts by weight the preparation method comprises the following steps:
(1) synthesis of high acid value polyester resin: by 10~20 parts of multi-hydroxy silicone oils, 10~20 parts of itaconic acids, 5~10 parts of rich horses
Acid, 5~10 parts of neopentyl glycols, 2~5 parts of polyalcohols, 0.1~0.5 part of phosphorous acid, 0.2~0.6 part of polymerization inhibitor, are added sequentially to
In reaction kettle, 150 DEG C are first warming up to, is then warming up to 210 DEG C with 10 DEG C/h, 6~8h of last 210~220 DEG C of heat preservations is cooled to
Room temperature obtains high acid value polyester resin；
(2) acrylic monomers block: be slowly added in high acid value polyester resin in (1) 3~6 parts of acrylic acid modified monomers, 2~
4 parts of Vinyldimethylethoxysilanes, 0.05~0.2 part of polymerization inhibitor are to slowly warm up to 190~200 DEG C of 5~6h of reaction, until
Acid value is 65~75mgKOH/g, is then cooled to 70~80 DEG C of 10~12 parts of neutralizers of additions to pH=8-9, then addition 70~
90 parts of water, 1~2 part of emulsifier high-speed stirred emulsification, obtain organosilicon-modified acrylic polyester resin emulsion.
The viscosity of the multi-hydroxy silicone oil is 20~30mm2/s, weight percent hydroxyl is 8~10%；
The polyalcohol is at least one of trimethylolpropane, pentaerythrite；
The polymerization inhibitor be hydroquinone, tert-butyl catechol, Pyrogentisinic Acid's monobutyl ether, methylnaphthohydroquinone, in 1,4-benzoquinone extremely
Few one kind.
The acrylic acid modified monomer is hydroxy-ethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, methyl
At least one of hydroxypropyl acrylate；
The neutralizer is at least one of triethylamine, tri-n-butylamine, triethanolamine, dimethylethanolamine；
The emulsifier be cis-9-octadecenoic acid salt, odium stearate, neopelex, octadecyl benzene sulphur ±
At least one of sour sodium.
A kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon, it is characterised in that: the preparation method comprises the following steps:
(1) by the Vinyl MQ silicon resin of formula ratio, coalescing agent mixed dissolution it is uniform solution I；
(2) 1500 ± 200r/min, 30 ± 5min of high speed dispersion is added into dispersion cylinder in deionized water, dispersing agent, filler, so
Organosilicon-modified acrylic polyester resin emulsion, solution I, water-soluble photoinitiator, levelling agent are added afterwards at 500 ± 100r/min points
15 ± 5min is dissipated, 200 ± 100r/min of defoaming agent is eventually adding and disperses 10 ± 5min to get the modified height of the waterborne organic silicon
The hydrophobic UV insulated paint of hardness.
The present invention has the advantages that aqueous, environmental protective, good insulating, hydrophobic effect are good, with high hardness, especially suitable for electric appliance outside
Shell.
Specific embodiment
A kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon of the invention is done further below with reference to embodiment
Description.It is understood that specific embodiment described herein is used only for explaining related invention, rather than to the invention
It limits.
Embodiment 1
A kind of organosilicon-modified acrylic polyester resin emulsion A, based on parts by weight the preparation method comprises the following steps:
(1) synthesis of high acid value polyester resin: by 10 parts of multi-hydroxy silicone oils, (viscosity 20mm2/s, weight percent hydroxyl are
10%), 20 parts of itaconic acids, 5 parts of fumaric acid, 10 parts of neopentyl glycols, 2 parts of pentaerythrites, 0.5 part of phosphorous acid, 0.2 part of Pyrogentisinic Acid's list
Butyl ether is added sequentially in reaction kettle, is first warming up to 150 DEG C, is then warming up to 210 DEG C with 10 DEG C/h, last 220 DEG C of heat preservations
6h is cooled to room temperature to obtain high acid value polyester resin；
(2) acrylic monomers blocks: being slowly added to 3 parts of hydroxyethyl methacrylates, 4 parts in high acid value polyester resin in (1)
Vinyldimethylethoxysilane, 0.05 part of Pyrogentisinic Acid's monobutyl ether are to slowly warm up to 200 DEG C of reaction 5h, until acid value is
Then 75mgKOH/g is cooled to 70 DEG C of 12 parts of triethanolamines of addition to pH=8,90 parts of water, 2 parts of detergent alkylate sulphurs is then added
Sour sodium high-speed stirred emulsification, obtains organosilicon-modified acrylic polyester resin emulsion A.
Embodiment 2
A kind of organosilicon-modified acrylic polyester resin emulsion B, based on parts by weight the preparation method comprises the following steps:
(1) synthesis of high acid value polyester resin: by 20 parts of multi-hydroxy silicone oils, (viscosity 30mm2/s, weight percent hydroxyl are
8%), 10 parts of itaconic acids, 10 parts of fumaric acid, 5 parts of neopentyl glycols, 5 parts of trimethylolpropanes, 0.1 part of phosphorous acid, 0.6 part to benzene two
Phenol is added sequentially in reaction kettle, is first warming up to 150 DEG C, is then warming up to 210 DEG C, last 210 DEG C of heat preservations 8h with 10 DEG C/h,
It is cooled to room temperature to obtain high acid value polyester resin；
(2) acrylic monomers blocks: being slowly added to 6 parts of hydroxy-ethyl acrylates, 2 parts of diformazans in high acid value polyester resin in (1)
Base vinylethoxysilane, 0.2 part of hydroquinone are to slowly warm up to 190 DEG C of reaction 6h, until acid value is 65mgKOH/g, then
80 DEG C of 10 parts of dimethylethanolamines of addition are cooled to pH=9,70 parts of water, 1 part of cis-9-octadecenoic acid salt high speed are then added
Stirring and emulsifying obtains organosilicon-modified acrylic polyester resin emulsion B.
Embodiment 3
A kind of organosilicon-modified acrylic polyester resin emulsion C, based on parts by weight the preparation method comprises the following steps:
(1) synthesis of high acid value polyester resin: by 14 parts of multi-hydroxy silicone oils, 16 parts of itaconic acids (viscosity 25mm2/s, hydroxyl weight
Measure percentage be 8.8), 9 parts of fumaric acid, 6 parts of neopentyl glycols, 3 parts of pentaerythrites, 0.4 part of phosphorous acid, 0.3 part of tert-butyl o benzene
Diphenol is added sequentially in reaction kettle, is first warming up to 150 DEG C, is then warming up to 210 DEG C with 10 DEG C/h, last 215 DEG C of heat preservations
7h is cooled to room temperature to obtain high acid value polyester resin；
(2) acrylic monomers blocks: being slowly added to 4 parts of hydroxypropyl acrylates, 3.5 part two in high acid value polyester resin in (1)
Methyl ethylene Ethoxysilane, 0.1 part of tert-butyl catechol are to slowly warm up to 194 DEG C of reaction 5.5h, until acid value is
Then 70mgKOH/g is cooled to 75 DEG C of 11 parts of dimethylethanolamines of addition to pH=8,78 parts of water, 1.3 parts of octadecanes is then added
The emulsification of base benzene sulfonic acid sodium salt high-speed stirred, obtains organosilicon-modified acrylic polyester resin emulsion C.
Embodiment 4
A kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon, using through hydroxy silicon oil and dimethylvinylsiloxy base oxethyl silicon
The modified acrylic acid polyester resin water-based emulsion of alkane is matrix resin, while being aided with second that is curable and improving hardness and insulating properties
Alkenyl MQ silicone resin, which is characterized in that based on parts by weight, composition composition is as follows: 40 parts of organosilicon-modified acrylic polyester
Resin emulsion A, 12 parts of Vinyl MQ silicon resins (M, Q ratio are 0.5:1, vinyl mass fraction 3%), 10 parts of propylene glycol monobutyl ether,
2 part of 2,2-azo group-bis- (2 one amidine propane), 0.5 part of non-ionic polymer waterborne dispersing agent, 1 part of organosilicon levelling agent,
0.1 part of polyethers is esterified class defoaming agent, 10 parts of water.
Embodiment 5
A kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon, using through hydroxy silicon oil and dimethylvinylsiloxy base oxethyl silicon
The modified acrylic acid polyester resin water-based emulsion of alkane is matrix resin, while being aided with second that is curable and improving hardness and insulating properties
Alkenyl MQ silicone resin, which is characterized in that based on parts by weight, composition composition is as follows: 50 parts of organosilicon-modified acrylic polyester
Resin emulsion B, 8 parts of 12 parts, 1 part Vinyl MQ silicon resins (M, Q ratio are 0.8:1, vinyl mass fraction 5%), alcohol ester sulphur
Thiosulfuric acid phenacylate sodium salt, 1 part of polyocarboxy acid type anionic dispersing agents, 2 parts of organosilicon levelling agents, 0.2 part of polyethers are esterified class
Defoaming agent, 20 parts of water, 25 parts of barium sulfate.
Embodiment 6
A kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon, using through hydroxy silicon oil and dimethylvinylsiloxy base oxethyl silicon
The modified acrylic acid polyester resin water-based emulsion of alkane is matrix resin, while being aided with second that is curable and improving hardness and insulating properties
Alkenyl MQ silicone resin, which is characterized in that based on parts by weight, composition composition is as follows: 44 parts of organosilicon-modified acrylic polyester
Resin emulsion C, 9 parts of Vinyl MQ silicon resins (M, Q ratio are 0.6:1, vinyl mass fraction 3.5%), propylene glycol methyl ether acetates
9 parts, the aqueous benzoic acid of 1.5 parts of quaternaries, 0.8 part of dispersing agent, 1.6 parts of organosilicon levelling agents, 0.15 part of polyethers esterification class
Defoaming agent, 12 parts of water, 18 parts of filler titanium dioxides.
Performance test: under the same conditions, the modified high rigidity of the waterborne organic silicon prepared in above-described embodiment 4-6 is hydrophobic
UV insulated paint is sprayed at transformer-cabinet case surface (about 100 microns of film thickness), in the purple that wavelength is 365nm after surface drying
60s solidification is irradiated under outer light at 18cm；Comparative example selects commercial solvents modifying epoxy resin by organosilicon two-component insulated paint, will
Comparative example imposes on transformer-cabinet case surface (about 100 microns of film thickness) under the same conditions, after being fully cured, according to phase
Pass standard is to testing example and comparative example results of property such as the following table 1.
The performance of table 1 embodiment 4-6 and comparative example
| Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example | |
| Adhesive force | 0 grade | 0 grade | 0 grade | 0 grade |
| Pencil hardness | 2H | 2H | 2H | H |
| The contact angle of film and water | 128° | 111° | 116° | 76° |
| Bending strength GB/T6742-1986 | 5 | 5 | 5 | 4 |
| Volume resistivity (Ω cm) | 5.7×1014 | 5.2×1014 | 5.6×1014 | 4.3×1014 |
As can be seen from Table 1, the modified hydrophobic UV insulated paint of high rigidity of the waterborne organic silicon is organic relative to commercial solvents
Silicon modified epoxy resin two-component insulated paint has better hardness, hydrophobic effect and higher volume resistivity.
Claims (8)
1. a kind of modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon, which is characterized in that based on parts by weight, composition composition
It is as follows: 40~50 parts of organosilicon-modified acrylic polyester resin emulsions, 8~12 parts of Vinyl MQ silicon resins, coalescing agent 6~
10 parts, 1~2 part of water-soluble photoinitiator, 0.5~1 part of dispersing agent, 1~2 part of levelling agent, 0.1~0.2 part of defoaming agent, 10-20 parts
Water, 0~25 part of filler.
2. the modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon according to claim 1, it is characterised in that: the second
It is 0.5:1~0.8:1, vinyl mass fraction 3%~5% that alkenyl MQ silicone resin, which obtains M, Q ratio,；The coalescing agent is alcohol ester ten
Two, at least one of ethylene glycol monobutyl ether, propylene glycol monobutyl ether, propylene glycol methyl ether acetate.
3. the modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon according to claim 1, it is characterised in that: the water
Property photoinitiator be 2,2-azo groups-bis- (2 one amidine propanes), thiosulfuric acid phenacylate sodium salt, the aqueous peace of quaternary
At least one of the fragrant acid of breath, aqueous sulfonate type dimethyl benzene ketone derivatives.
4. the modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon according to claim 1, it is characterised in that: point
Powder selects at least one of polyocarboxy acid type anionic dispersing agents, non-ionic polymer waterborne dispersing agent；The defoaming
Agent is at least one of organic silicon defoamer, fatty glyceride, phosphoric acid ester, polyethers ionic surface active agent；It is described
Levelling agent be organosilicon levelling agent；The defoaming agent is that polyethers is esterified class defoaming agent；The filler is light calcium carbonate powder, mica
At least one of powder, kaolin, barium sulfate, silicon calcium powder, titanium dioxide.
5. the modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon according to claim 1, it is characterised in that: described has
Machine fluorine-silicon modified acrylic polyester resin emulsion, based on parts by weight the preparation method comprises the following steps:
(1) synthesis of high acid value polyester resin: by 10~20 parts of multi-hydroxy silicone oils, 10~20 parts of itaconic acids, 5~10 parts of rich horses
Acid, 5~10 parts of neopentyl glycols, 2~5 parts of polyalcohols, 0.1~0.5 part of phosphorous acid, 0.2~0.6 part of polymerization inhibitor, are added sequentially to
In reaction kettle, 150 DEG C are first warming up to, is then warming up to 210 DEG C with 10 DEG C/h, 6~8h of last 210~220 DEG C of heat preservations is cooled to
Room temperature obtains high acid value polyester resin；
(2) acrylic monomers block: be slowly added in high acid value polyester resin in (1) 3~6 parts of acrylic acid modified monomers, 2~
4 parts of Vinyldimethylethoxysilanes, 0.05~0.2 part of polymerization inhibitor are to slowly warm up to 190~200 DEG C of 5~6h of reaction, until
Acid value is 65~75mgKOH/g, is then cooled to 70~80 DEG C of 10~12 parts of neutralizers of additions to pH=8-9, then addition 70~
90 parts of water, 1~2 part of emulsifier high-speed stirred emulsification, obtain organosilicon-modified acrylic polyester resin emulsion.
6. the modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon according to claim 6, it is characterised in that: described is more
The viscosity of hydroxy silicon oil is 20~30mm2/s, weight percent hydroxyl is 8~10%；The polyalcohol is trihydroxy methyl third
At least one of alkane, pentaerythrite；The polymerization inhibitor is hydroquinone, tert-butyl catechol, Pyrogentisinic Acid's monobutyl ether, first
At least one of base quinhydrones, 1,4-benzoquinone.
7. the modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon according to claim 6, it is characterised in that: described third
Olefin(e) acid modified monomer is hydroxy-ethyl acrylate, in hydroxyethyl methacrylate, hydroxypropyl acrylate, hydroxy propyl methacrylate
It is at least one；The neutralizer is at least one of triethylamine, tri-n-butylamine, triethanolamine, dimethylethanolamine；Described
Emulsifier be cis-9-octadecenoic acid salt, odium stearate, neopelex, in octadecyl benzenesulfonic acid sodium at least
It is a kind of.
8. the modified hydrophobic UV insulated paint of high rigidity of waterborne organic silicon according to claim 1, it is characterised in that: preparation method
Are as follows:
(1) by the Vinyl MQ silicon resin of formula ratio, coalescing agent mixed dissolution it is uniform solution I；
(2) 1500 ± 200r/min, 30 ± 5min of high speed dispersion is added into dispersion cylinder in deionized water, dispersing agent, filler, so
Organosilicon-modified acrylic polyester resin emulsion, solution I, water-soluble photoinitiator, levelling agent are added afterwards at 500 ± 100r/min points
15 ± 5min is dissipated, 200 ± 100r/min of defoaming agent is eventually adding and disperses 10 ± 5min to get the modified height of the waterborne organic silicon
The hydrophobic UV insulated paint of hardness.
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Cited By (4)
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| CN113308190A (en) * | 2021-06-11 | 2021-08-27 | 常熟理工学院 | High-adhesion gradient layered fouling release type marine antifouling paint |
| CN114958128A (en) * | 2022-06-17 | 2022-08-30 | 深圳市深赛尔股份有限公司 | High-weather-resistance water-based automobile coating and preparation method thereof |
| CN115637105A (en) * | 2022-10-11 | 2023-01-24 | 江西省信合新材料科技有限公司 | Matte heat-resistant wear-resistant electronic coating and preparation method and application thereof |
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