CN102408808B - Aqueous fluorocarbon coating for painting metal base materials - Google Patents
Aqueous fluorocarbon coating for painting metal base materials Download PDFInfo
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Abstract
The invention discloses an aqueous fluorocarbon coating for painting a metal base material. The coating is composed of a waterborne resin, an epoxy polyether-based (sesqui-) siloxane cross-linking agent, a metal nano-pigment, a dispersant, a preservative, a light stabilizer, a thickener, a flatting agent and H2O, wherein the waterborne resin is composed of 25-50% silane/organochlorine co-modified fluororesin emulsion and 50-75% acrylic resin emulsion in mass fraction. The aqueous fluorocarbon coating of the invention is capable of producing excellent water repelling pollution resisting effects after being brushed and solid on the surface of the metal base material.
Description
Technical field
The present invention relates to a kind of aqueous fluorocarbon coating that metallic substrate surface dresses such as aircraft, automobile are coated with use that can be used for, relating in particular to a kind of is the compound fluorocarbon coating of water-based of major constituent based on the common modified fluorin resin emulsion of silane/organochlorine.
Background technology
Fluorocarbon coating is the coating of main film forming substance with organic fluorine or polymkeric substance promptly.Fluorocarbon coating, anti-marquis's weather resistance and excellent corrosion resistance, can provide base material good antifouling and self-cleaning function again, thereby be coated with at aerospace, vehicle, chemical industry equipment dress, boats and ships are anticorrosion, elevated bridge (as Construction of Hangzhou Bay Cross-sea Bridge) and Highrise buildings (as Beijing Bird's Nest) are non-maintaining etc., and the aspect is widely used, it is the special functional coating that integrates high, new, special, the good reputation of " coating king " is arranged, and aqueous, environmental protective is one of important directions of its development.
Composite is one of the major technique of preparation fluorocarbon coating.For example CN101402816 is composite with fluorine carbon emulsion and acrylic elastic emulsion, acidproof pigment/filler, defoamer, flow agent etc., has obtained a kind ofly to can be used for the external wall protection and decorate the water-borne coatings that uses.And CN101412883 is with acrylic resin and fluorocarbon resin, nanometer SiO
2, titanium dioxide, organosilicon crylic acid latex, lime carbonate, defoamer etc. are composite, have also obtained a kind of nano fluorocarbon exterior wall heat-insulating paint, the exterior wall dress of using it for buildings is coated with, the acid and alkali-resistance and hide the effect of fine cracks of filming.Yet in the above-mentioned patent, the structure of components such as fluorine carbon component, acrylic resin and organosilicon crylic acid latex was not open, used it for the metal parts dress and was coated with poor performance.
The performance of fluorocarbon coating depends primarily on fluoro-resin.Therefore, in the fluorocarbon coating preparation, use novel fluoro-resin and be aided with well behaved linking agent, be expected to further improve the application performance of coating.
Summary of the invention
The object of the present invention is to provide a kind of metal base (as aluminium alloy, steel) dresses such as aircraft, automobile that can be used for to be coated with use fluorocarbon coating and preparation method thereof.
Metal base dress of the present invention is coated with the use fluorocarbon coating, by water-base resin and epoxidized polyether base (sesquialter) siloxane crosslinker, metal nano pigment, dispersion agent, sanitas, photostabilizer, thickening material, flow agent and H
2O forms, wherein said water-base resin by massfraction by silane/organochlorine of 25-50% altogether the Emulsion acrylic resin of modified fluorin resin emulsion and 50-75% formed, be respectively by other amounts of components of quality of water-base resin: epoxidized polyether base (sesquialter) siloxane crosslinker is that 0.5-3.0%, metal nano pigment are that 5.0-10.0%, dispersion agent are that 0.025-0.1%, sanitas are that 0.05-0.3%, photostabilizer are that 0.05-0.2%, thickening material are that 0.1-0.5%, flow agent are 0.05-1.0%, H
2O is 10-20%.
Described silane/organochlorine major constituent of modified fluorin resin emulsion altogether is perfluor alkane ethyl propylene acid esters (FA)-co-methacrylic acid lauryl alcohol ester (LMA)-co-p-chloromethyl styrene (CMS)-co-Propylene glycol monoacrylate (HPA)-co-vinyltriethoxysilane (VTES) (being called for short FLCHV), or perfluor alkane ethyl propylene acid esters (FA)-co-methacrylic acid lauryl alcohol ester (LMA)-co-p-chloromethyl styrene (CMS)-co-N-n-methylolacrylamide (NMA)-co-vinyltriethoxysilane (VTES) (being called for short FLCNV), or perfluor alkane ethyl propylene acid esters (FA)-co-methacrylic acid lauryl alcohol ester (LMA)-co-p-chloromethyl styrene (CMS)-co-Propylene glycol monoacrylate (HPA)-co-gamma-methyl allyl acyloxypropyl trimethoxysilane (KH-570) (being called for short FLCHK), or perfluor alkane ethyl propylene acid esters (FA)-co-methacrylic acid lauryl alcohol ester (LMA)-co-p-chloromethyl styrene (CMS)-co-N-n-methylolacrylamide (NMA)-co-gamma-methyl allyl acyloxypropyl trimethoxysilane (KH-570) (being called for short FLCNK), or methacrylic acid ten difluoro heptyl esters (DFHM)-co-methacrylic acid lauryl alcohol ester (LMA)-co-p-chloromethyl styrene (CMS)-co-Propylene glycol monoacrylate (HPA)-co-vinyltriethoxysilane (VTES) (being called for short DLCHV), or methacrylic acid ten difluoro heptyl esters (DFHM)-co-methacrylic acid lauryl alcohol ester (LMA)-co-p-chloromethyl styrene (CMS)-co-N-n-methylolacrylamide (NMA)-co-gamma-methyl allyl acyloxypropyl trimethoxysilane (KH-570) (being called for short DLCNK), described silane/organochlorine method for making of modified fluorin resin emulsion altogether is with perfluor alkane ethyl propylene acid esters (FA) or methacrylic acid ten difluoro heptyl esters (DFHM) and methacrylic acid lauryl alcohol ester (LMA), p-chloromethyl styrene (CMS), Propylene glycol monoacrylate (HPA) or N hydroxymethyl acrylamide (NMA), vinyltriethoxysilane (VTES) or gamma-methyl allyl acyloxypropyl trimethoxysilane (KH-570) carry out the copolymerization of negatively charged ion seed emulsion at water, temperature of reaction is 80 ℃, reaction times is 4h, emulsion solid content is 30%, pH is 6.0, and viscosity is 1.5-5.0mPa.s.
The major constituent of described Emulsion acrylic resin is that butyl acrylate (BA)-co-vinylbenzene (ST)-co-vinylformic acid (AA)-co-Propylene glycol monoacrylate (HPA)-co-gamma-methyl allyl acyloxypropyl trimethoxysilane (KH-570) (BSAHK), resin processing plant provides by Xi'an, the pH value is 5.0-6.0, solid content is 50%, and viscosity is 53-60mPa.s.
The structure of described epoxidized polyether base (sesquialter) siloxane crosslinker (EPOS) is as follows, and its consumption is generally the 0.5-3.0% of water-base resin total mass:
EPOS-1
Or
EPOS-2
A, b=0 in the formula, 1,2 ... n, n are positive integer; Wherein, epoxidized polyether base (sesquialter) siloxane crosslinker tetramethyl-ring tetrasiloxane (D
4 H, referring to Scheme among Fig. 1 1) or hydrogeneous hexahedron sesquialter eight siloxanes (T
8 H, referring to Scheme among Fig. 1 2) with the preparation of the hydrosilylation addition reaction of allyl polyethenoxy polyoxypropylene epoxy group(ing) ether (APEE), temperature of reaction is 80 ℃, Si-H key and CH in the reaction raw materials
2The mol ratio of=CH-key is 1: 1.05.
In the described EPOS-1 structure, preferential selection contains a/b=7: 1, polyethers epoxy segmental molecular-weight average (M
nFour (2,3-glycidoxy polyoxyethylene polyoxypropylene propyl group) tetramethyl-ring tetrasiloxane (note is made EPOS-1A) of)=400 perhaps contains a=10, b=0, polyethers epoxy segmental molecular-weight average (M
nFour (2,3-glycidoxy polyoxyethylene propyl group) tetramethyl-ring tetrasiloxane (note is made EPOS-1B) of)=500 perhaps contains a/b=7: 3, polyethers epoxy segmental molecular-weight average (M
nFour (2,3-glycidoxy polyoxyethylene polyoxypropylene propyl group) tetramethyl-ring tetrasiloxane (note is made EPOS-1C) of)=1000; In the described EPOS-2 structure, preferential selection contains a/b=7: 1, polyethers epoxy segmental molecular-weight average (M
n)=400 or a=10, b=0, polyethers epoxy segmental molecular-weight average (M
nEight epoxidized polyether propyl group hexahedron sesquialters, eight siloxanes of)=500 (note is made EPOS-2A and EPOS-2B respectively).
Described metal nano pigment is rutile titanium dioxide, ferric oxide, silver suboxide or zinc oxide, and its consumption is the 5.0-10.0% of water-base resin quality.
Described dispersion agent is polyacrylic ammonium salt, basic metal sylvite or sodium salt, and as the OROTANTM 1124 (ammonium polyacrylate) of Rohm ﹠ Haas company, sodium polyacrylate etc., its consumption is generally the 0.025-0.1% of water-base resin quality; Described sanitas be the isothiazolones sanitas that uses of water-based system as blocking pine, its consumption is the 0.05-0.3% of water-base resin quality; Described photostabilizer is hindered amines (HALS) photostabilizer, and as two (2,2,6, the 6-tetramethyl-piperidyl) sebates of photostabilizer 770-, its consumption is the 0.05-0.2% of water-base resin quality; Described thickening material is that molecular-weight average is 3～100,000 Natvosol, and its consumption is generally the 0.1-0.5% of water-base resin quality; Described flow agent is flow agent RM2020, glycerine or the propylene glycol that commercially available Rohm ﹠ Haas company produces, and its consumption is the 0.05-1.0% of water-base resin quality.
By the proportioning of above-mentioned each component of aqueous fluorocarbon coating, the concrete method for making of aqueous fluorocarbon coating of the present invention is:
Get H
2O, dispersion agent and sanitas add in the reactor successively, mechanical stirring is with its mixing, add photostabilizer and metal nano pigment then, high-speed stirring 1h, treat that colo(u)rant dispersion adds Emulsion acrylic resin, silane/organochlorine modified fluorin resin emulsion and epoxidized polyether base (sesquialter) siloxane crosslinker altogether more successively to needed fineness, continue to stir, treat to add thickening material and flow agent again behind each component mixing, products obtained therefrom is an aqueous fluorocarbon coating.
The present invention adopts the common modified fluorin resin emulsion of silane/organochlorine to prepare aqueous fluorocarbon coating as high-performance hydrophobic oleophobic component, epoxidized polyether base (sesquialter) siloxanes as linking agent, this coating directly is applied over the metallic surface with brushing, roller coating mode, formed coated membrane (abbreviation is filmed) is through room temperature surface drying 30min, again in 150 ℃ of curing 3min, can produce the dirty effect of good water and oil repellant, wherein the static contact angle of water film coated surface after curing can reach 129 °, and anti-contamination grade (with reference to the GB/T9780-2005 standard test) can reach 0 grade.
Description of drawings
Fig. 1 is epoxidized polyether base (sesquialter) siloxane crosslinker synthetic route chart, and Scheme1 is the synthetic route of EPOS-1 among Fig. 1, and Scheme 2 is the synthetic route of EPOS-2.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
(1) fluorocarbon coating hydrophobic oleophobic key ingredient---silane/organochlorine is the preparation of modified fluorin resin emulsion altogether
The example that is prepared as with the FLCHV resin emulsion.Accurately take by weighing 27.2g perfluor alkane ethyl propylene acid esters (FA), 12.8g methacrylic acid lauryl alcohol ester (LMA), 1.5g Propylene glycol monoacrylate (HPA), 2.0g 4-1-chloro-4-methyl-benzene (CMS), 1.5g vinyltriethoxysilane (VTES), 1.2g perfluoroalkyl benzene sulfonic acid sodium salt (FBS), 1.7g fatty alcohol-polyoxyethylene ether (AEO-9), 0.4g Dodecyl Mercaptan, 92.7g deionized water, the mechanical stirring mixing, use ultrasonic wave at 25 ± 2 ℃ of pre-emulsification 20min again, make stable pre-emulsion, note is made component (I), place dropping funnel (I), standby.
Other gets the 0.8g Potassium Persulphate, makes initiator solution with the 20g water dissolution, and note is made component (II), places dropping funnel (II), and is standby.
In thermometer, reflux condensing tube, dropping funnel (I) and four footpath bottles (II) were housed, each added 1/4 component (I), (II), stirs, logical N
2Protection is warming up to 80 ℃ of reaction 30min, and then is added dropwise to remaining ingredient (I), (II), and the rate of addition of controlling the two makes it to dropwise simultaneously at 1.5-2h, continues insulation reaction 4h.Then, reduce to room temperature, transfer pH to be about 6.0, filter with gauze, get the slightly emulsion of blue-fluorescence, be silane/organochlorine modified fluorin resin FA-co-LMA-co-CMS-co-HPA-co-VTES (being called for short FLCHV) emulsion altogether, its solid content is about 30%, and pH is 6.0, and viscosity is 3.6mPa.s.
The method for making of the common modified fluorin resin emulsion of other silane/organochlorines is the same, and its raw material consumption sees Table 1.
Table 1 preparation silane/organochlorine is used raw material and the consumption of modified fluorin resin emulsion altogether
(2) preparation of epoxidized polyether base (sesquialter) siloxane crosslinker in the fluorocarbon coating
Synthetic route is example referring to Fig. 1 with EPOS-1A.
In the three-necked bottle that thermometer, reflux condensing tube are housed, add 24.1g tetramethyl-ring tetrasiloxane (D successively
4 H) and 168.0g a/b=7: 1, the allyl polyethenoxy polyoxypropylene epoxy group(ing) ether (APEE) of Mn=400, be heated with stirring to 80 ℃, add the 50ppm platinum catalyst again, the system for the treatment of is changeed transparent back and is continued stirring reaction 10min, get transparent liquid, i.e. epoxidized polyether radical siloxane linking agent EPOS-1A.
The same EPOS-1A of preparation method of other epoxidized polyether base (sesquialter) siloxane crosslinkers, its raw material consumption sees Table 2.
Used raw material and the consumption thereof of table 2 preparation epoxidized polyether base (sesquialter) siloxanes EPOS
APEE
(1)：a/b＝7∶1、M
n＝400；APEE
(2)：a＝10、b＝0、M
n＝500；APEE
(3)：a/b＝7∶3、M
n＝1000。
APEE abbreviates polyethers epoxy segment as in inserting the EPOS molecule time.
(3) preparation of aqueous fluorocarbon coating
In the reactor of buncher is housed, add 100.0g H earlier
2O (deionized water) stirs, and adds 0.25g dispersion agent OROTANTM 1124 and 0.5g card pine more successively, and stirring and evenly mixing adds 0.5g photostabilizer-770 and 50.0g nano-TiO more successively
2(rutile-type) high speed dispersion 1h, add 750.0g acrylic resin BSAHK emulsion, 250.0g FLCNV emulsion and 5.0g epoxidized polyether radical siloxane linking agent EPOS-1A then successively, after waiting to mix, add 1.0g Natvosol and 0.5g RM2020 flow agent again, get even white fluid, i.e. aqueous fluorocarbon coating.
Fluorocarbon coating hydrophobic oleophobic key ingredient---silane/organochlorine modified fluorin resin FLCHK emulsion method for making is altogether seen embodiment 1 (1), and the method for making of linking agent EPOS-1B is seen embodiment 1 (2).
In the reactor of buncher is housed, add 100.0g H successively
2O, 1.0g dispersion agent OROTANTM 1124,1.0g card pine stir and make it mixing, add 1.0g photostabilizer 770 and 100.0g nano-TiO more respectively
2High speed dispersion 1h, continue then to give and add 500.0g acrylic resin BSAHK emulsion, 500.0g FLCHK emulsion and 30.0g linking agent EPOS-1B in the system, after treating stirring and evenly mixing, add 3.0g Natvosol and 10g glycerine again and transfer the system stickiness, get even white fluid, i.e. aqueous fluorocarbon coating.
Embodiment 3
Fluorocarbon coating hydrophobic oleophobic key ingredient---silane/organochlorine modified fluorin resin FLCNK emulsion method for making is altogether seen embodiment 1 (1), and the method for making of linking agent EPOS-1C is seen embodiment 1 (2).
In the reactor of buncher is housed, add 200.0g H successively
2O, 0.8g sodium polyacrylate PAAS dispersion agent, 2.0g card pine, stirring and evenly mixing, add 2.0g photostabilizer-770 and 80.0g nano-sized iron oxide pigment high speed dispersion 1h more respectively, and then add 700.0g acrylic resin BSAHK emulsion, 300.0g FLCNK emulsion and 25.0g linking agent EPOS-1C successively, after treating stirring and evenly mixing, add 5.0g Natvosol and 2.0g flow agent RM2020 again and transfer the system stickiness, get even white fluid, i.e. aqueous fluorocarbon coating.
Embodiment 4
Fluorocarbon coating hydrophobic oleophobic key ingredient---silane/organochlorine modified fluorin resin DLCHV emulsion method for making is altogether seen embodiment 1 (1), and the method for making of linking agent EPOS-2A is seen embodiment 1 (2).
In the reactor of buncher is housed, add 150.0g H successively
2O, 0.6g sodium polyacrylate PAAS dispersion agent, 3.0g card pine, stirring and evenly mixing, add 2.0g photostabilizer-770 and 60.0g nano phase ag_2 o high speed dispersion 1h more respectively, and then add 650.0g acrylic resin BSAHK emulsion, 350.0g DLCHV emulsion and 15.0g linking agent EPOS-2A successively, after treating stirring and evenly mixing, add 2.0g Natvosol and 1.0g propylene glycol again and transfer the system stickiness, get even white fluid, i.e. aqueous fluorocarbon coating.
Embodiment 5
Fluorocarbon coating hydrophobic oleophobic key ingredient---silane/organochlorine modified fluorin resin DLCNK emulsion method for making is altogether seen embodiment 1 (1), and the method for making of linking agent EPOS-2B is seen embodiment 1 (2).
In the reactor of buncher is housed, add 100.0g H successively
2O, 0.5g dispersion agent OROTANTM 1124,1.0g card pine, stirring makes it mixing, add 1.5g photostabilizer-770 and 50.0g nano zine oxide high speed dispersion 1h more respectively, continue then to give in the system to add 600.0g acrylic resin BSAHK emulsion, 400.0g DLCNK emulsion and 18.0g linking agent EPOS-2B successively, after treating stirring and evenly mixing, add 2.0g Natvosol and 0.5g flow agent RM2020 again and transfer the system stickiness, get even white fluid, i.e. aqueous fluorocarbon coating.
Fluorocarbon coating hydrophobic oleophobic key ingredient---silane/organochlorine modified fluorin resin FLCHV emulsion method for making is altogether seen embodiment 1 (1), and the method for making of linking agent EPOS-1A is seen embodiment 1 (2).
In the reactor of buncher is housed, add 100.0g H earlier
2O stirs, and adds 0.5g dispersion agent OROTANTM 1124 and 0.8g card pine more successively, and stirring and evenly mixing adds 0.6g photostabilizer-770 and 55.0g nano-TiO more successively
2High speed dispersion 1h, add 700.0g acrylic resin BSAHK emulsion, 300.0g FLCHV emulsion and 10.0g epoxidized polyether radical siloxane linking agent EPOS-1A then successively, after waiting to mix, add 1.5g Natvosol and 0.6gRM2020 flow agent again and transfer the system stickiness, get even white fluid, i.e. aqueous fluorocarbon coating.
The aqueous fluorocarbon coating that embodiment is prepared is brushed in the aluminum magnesium alloy surface, after room temperature is placed 30min, treated surface drying, solidifies 3min in 150 ℃ again.Filming at 25 ± 2 ℃, relative humidity is to carry out performance measurement under 65 ± 2%RH condition behind the balance 2h.Water is measured with the JC2000C contact angle measurement at the static contact angle of film coated surface, and the contamination resistance grade is with reference to the GB/T9780-2005 standard test, and other performances of filming the results are shown in Table 3 with reference to the GB standard test.
The performance that table 3 embodiment 1-6 films
Claims (5)
1. a metal base dress is coated with the use fluorocarbon coating, and it is characterized in that: this coating is by water-base resin and epoxidized polyether base (sesquialter) siloxane crosslinker, metal nano pigment, dispersion agent, sanitas, photostabilizer, thickening material, flow agent and H
2O forms, wherein said water-base resin by massfraction by silane/organochlorine of 25-50% altogether the Emulsion acrylic resin of modified fluorin resin emulsion and 50-75% formed, be respectively by other amounts of components of quality of water-base resin: epoxidized polyether base (sesquialter) siloxane crosslinker is that 0.5-3.0%, metal nano pigment are that 5.0-10.0%, dispersion agent are that 0.025-0.1%, sanitas are that 0.05-0.3%, photostabilizer are that 0.05-0.2%, thickening material are that 0.1-0.5%, flow agent are 0.05-1.0%, H
2O is 10-20%;
Described silane/organochlorine major constituent of modified fluorin resin emulsion altogether is perfluor alkane ethyl propylene acid esters-co-methacrylic acid lauryl alcohol ester-co-p-chloromethyl styrene-co-Propylene glycol monoacrylate-co-vinyltriethoxysilane, perfluor alkane ethyl propylene acid esters-co-methacrylic acid lauryl alcohol ester-co-p-chloromethyl styrene-co-N-n-methylolacrylamide-co-vinyltriethoxysilane, perfluor alkane ethyl propylene acid esters-co-methacrylic acid lauryl alcohol ester-co-p-chloromethyl styrene-co-Propylene glycol monoacrylate-co-gamma-methyl allyl acyloxypropyl trimethoxysilane, perfluor alkane ethyl propylene acid esters-co-methacrylic acid lauryl alcohol ester-co-p-chloromethyl styrene-co-N-n-methylolacrylamide-co-gamma-methyl allyl acyloxypropyl trimethoxysilane, methacrylic acid ten difluoros heptyl ester-co-methacrylic acid lauryl alcohol ester-co-p-chloromethyl styrene-co-Propylene glycol monoacrylate-co-vinyltriethoxysilane or methacrylic acid ten difluoros heptyl ester-co-methacrylic acid lauryl alcohol ester-co-p-chloromethyl styrene-co-N-n-methylolacrylamide-co-gamma-methyl allyl acyloxypropyl trimethoxysilane, described silane/organochlorine method for making of modified fluorin resin emulsion altogether is with perfluor alkane ethyl propylene acid esters or methacrylic acid ten difluoro heptyl esters and methacrylic acid lauryl alcohol ester, p-chloromethyl styrene, Propylene glycol monoacrylate or N hydroxymethyl acrylamide, vinyltriethoxysilane or gamma-methyl allyl acyloxypropyl trimethoxysilane carry out the copolymerization of negatively charged ion seed emulsion at water, temperature of reaction is 80 ° of C, reaction times is 4h, emulsion solid content is 30%, pH is 6.0, and viscosity is 1.5-5.0mPas;
The major constituent of described Emulsion acrylic resin is butyl acrylate-co-vinylbenzene-co-vinylformic acid-co-Propylene glycol monoacrylate-co-gamma-methyl allyl acyloxypropyl trimethoxysilane, and the pH value is 5.0-6.0, and solid content is 50%, and viscosity is 53-60mPas.
2. be coated with the use fluorocarbon coating according to the described metal base dress of claim 1, it is characterized in that: the structure of described epoxidized polyether base (sesquialter) siloxane crosslinker is as follows:
EPOS-1
Or
EPOS-2
A, b=0 in the formula, 1,2 ... n, n are positive integer; Wherein, epoxidized polyether base (sesquialter) siloxane crosslinker prepares with the hydrosilylation addition reaction of tetramethyl-ring tetrasiloxane or hydrogeneous hexahedron sesquialter eight siloxanes and allyl polyethenoxy polyoxypropylene epoxy group(ing) ether, temperature of reaction is 80 ° of C, Si-H key and CH in the reaction raw materials
2The mol ratio of=CH-key is 1:1.05.
3. be coated with the use fluorocarbon coating according to the described metal base dress of claim 1, it is characterized in that: described metal nano pigment is rutile titanium dioxide, ferric oxide, silver suboxide or zinc oxide.
4. be coated with the use fluorocarbon coating according to the described metal base dress of claim 1, it is characterized in that: described dispersion agent is polyacrylic ammonium salt, basic metal sylvite or sodium salt, described sanitas is the isothiazolones sanitas that water-based system uses, described photostabilizer is a hindered amine light stabilizer, described thickening material is that molecular-weight average is 3～100,000 Natvosol, and described flow agent is flow agent RM2020, glycerine or propylene glycol.
5. be coated with the use fluorocarbon coating according to the described metal base dress of claim 2, it is characterized in that: in the described EPOS-1 structure, preferential selection contains a/b=7:1, polyethers epoxy segmental molecular-weight average M
nFour (2,3-glycidoxy polyoxyethylene polyoxypropylene propyl group) tetramethyl-ring tetrasiloxane of=400 perhaps contains a=10, b=0, polyethers epoxy segmental molecular-weight average M
nFour (2,3-glycidoxy polyoxyethylene propyl group) tetramethyl-ring tetrasiloxane of=500 perhaps contains a/b=7:3, polyethers epoxy segmental molecular-weight average M
nFour (2,3-glycidoxy polyoxyethylene polyoxypropylene propyl group) tetramethyl-ring tetrasiloxane of=1000; In the described EPOS-2 structure, preferential selection contains a/b=7:1, polyethers epoxy segmental molecular-weight average M
n=400 or a=10, b=0, polyethers epoxy segmental molecular-weight average M
n=500 polyethers epoxy segmental eight epoxidized polyether propyl group hexahedron sesquialters eight siloxanes.
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| CN106046971A (en) * | 2016-08-23 | 2016-10-26 | 河北比尔尼克涂料有限公司 | Water-based fluorocarbon paint and preparation method and application thereof |
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| CN108841262A (en) * | 2018-06-07 | 2018-11-20 | 太仓柏嘉装饰工程有限公司 | decorative paint |
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| CN112048034B (en) * | 2020-08-17 | 2022-11-08 | 广东恒和永盛集团有限公司 | Antibacterial acrylic emulsion for water-based pigment and preparation method thereof |
| CN115260846B (en) * | 2022-08-19 | 2023-08-22 | 江西中氟化学材料科技股份有限公司 | Coating-forming modified fluororesin aqueous dispersion liquid and preparation method thereof |
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| CN101475661A (en) * | 2009-01-17 | 2009-07-08 | 广东天银化工实业有限公司 | Fluorine-silicon / or oil modified acrylic ester copolymer cation emulsion |
| CN102010636A (en) * | 2010-12-15 | 2011-04-13 | 广东电网公司电力科学研究院 | Anti-pollution flashover normal-temperature cured fluorocarbon resin coating and preparation method thereof |
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2011
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| EP1046667A2 (en) * | 1999-04-20 | 2000-10-25 | Daikin Industries, Ltd. | Plastic molded article coated with surface-hydrophilizing coating composition |
| CN1355264A (en) * | 2001-12-13 | 2002-06-26 | 复旦大学 | Process for preparing self-cleaning bionic organic paint with lotus leaf function of external wall of building |
| CN101475661A (en) * | 2009-01-17 | 2009-07-08 | 广东天银化工实业有限公司 | Fluorine-silicon / or oil modified acrylic ester copolymer cation emulsion |
| CN102010636A (en) * | 2010-12-15 | 2011-04-13 | 广东电网公司电力科学研究院 | Anti-pollution flashover normal-temperature cured fluorocarbon resin coating and preparation method thereof |
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Effective date of registration: 20181127 Address after: 516400 Jinyuan Industrial Zone, Chengdong Town, Haifeng County, Guangdong Province Patentee after: Haifeng Mei Da Chemical Coatings Co., Ltd. Address before: No. 1, Weiyang District university garden, Xi'an, Shaanxi Province, Shaanxi Patentee before: Shaanxi University of Science and Technology |