CN106833325A - A kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating - Google Patents
A kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating Download PDFInfo
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- 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
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
The invention discloses a kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating, it is made up of following raw materials according：Perfluoroalkyl ethanol, methyl iso-butyl ketone (MIBK), HDI trimer, methyl methacrylate, styrene, hydroxyethyl methacrylate, the trifluoro monooctyl ester of methacrylic acid ten, benzoyl peroxide, methyl alcohol Ludox, propylene glycol methyl ether acetate, 5% ammoniacal liquor is appropriate, silane coupler KH560 is appropriate, appropriate cyclomethicone, 10% dibutyl tin laurate is appropriate, dispersant, levelling agent, defoamer, appropriate butyl acetate, Firebrake ZB, the poly- dioxy organic siloxane of terminal hydroxy group, oleic acid, maleic anhydride, ptfe emulsion；Preparation process is simple of the present invention, raw material is easy to get, with low cost, with good universality, is applicable to various base materials, and the coating of preparation has ultra-amphosphobic, resistance to marring and wearability, and adhesive force is strong, and long service life has a extensive future.
Description
Technical field
The present invention relates to technical field of coatings, more particularly to a kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating.
Background technology
Wetability is a key property of the surface of solids, it is conventionally believed that the microstructure and chemical group of the surface of solids
The wetability that it is shown in pairs plays a key effect.The wetability of the surface of solids rises in daily life and industrial and agricultural production
Critically important effect, such as washing, printing and dyeing, the dispersion of coating, the use of lubricating oil and the infiltration of skin care item.Current people
Do not got wet this, and the phenomenon that water droplet can be tumbled with oneself is referred to as super-hydrophobic phenomenon, and the surface with this property is claimed
Be super hydrophobic surface, researcher is more for the research of super hydrophobic coating, but the type coating be often easily stained with oil stain and compared with
Hardly possible removal, therefore greatly limit the application and popularization of the type coating.Double open coats are due to alienation while it is for water and oil
Effect, simple super-hydrophobic coat of holding one's breath is easier to be applied in the middle of daily life and industrial production.But it is existing at present
Super-hydrophobic oleophobic coating preparation method has the following disadvantages：Need special installation（Plasma, laser ablation）, be unfavorable for large area
Construction, has particular/special requirement to ground, is only applicable to particular surface, and universal complex forming technology, with high costs, therefore seriously
Limit the extensive use of such material.
Xu Runbin exists《The preparation of super-hydrophobic/oleophobic coating and research》In one text nanometer is prepared for by conventional grinding methods
Alundum (Al2O3) particle, nano-silicon dioxide particle is prepared for using sol-gel process, is distinguished using fluorine-containing silane coupler
Surface grafting treatment is carried out to both, the nano-particle and micro particles of surface fluorine modification has been obtained as color stuffing, next is adopted
A kind of fluorine-containing Hydroxylated acrylic resin is prepared as the main resin of adhesive, selection perfluoroalkyl with polytype acrylic monomers
Ethanol and hexamethylene diisocyanate trimer prepare a kind of fluorine-containing isocyanate curing agent, and as a result paint is matched somebody with somebody in surface by mixing
The acroleic acid polyurethane varnish paint film property of preparation is good, adhesion 1 grade, pliability 1mm, impact 50cm, hardness 2H, for water
Static contact angle reach as high as 104 °, finally obtained nanometer, micro particles are scattered in fluorine-containing Hydroxylated acrylic resin,
Adjustment pigment and nano/micrometre particle ratio, and be equipped with dispersant, anti-settling auxiliary agent and curing agent be obtained it is various super thin
Water-oleophobic coating, testing result display coating there is preferable adhesive force, pliability and paint film intensity, now film for water,
The static contact angle of rapeseed oil and aircraft fluid is respectively 154 °, 100 ° and 94 °, illustrates that the coating shows to water and oil
Good alienation effect, although the preparation method proposed in this article has certain effect in terms of hydrophobic and oleophobic, but
It is not reaching to the contact angle of oil more than 150 °, and the intensity of coating, wearability, durability, stability and mechanical performance one
As, actual use demand is can not meet, limit the commercial Application of super-amphiphobic coating.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of super-amphiphobic resistance to marring anti-flaming transparent is prevented
Shield coating.
The present invention is achieved by the following technical solutions：
A kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating, is made up of the raw material of following weight portion：Perfluoroalkyl second
Alcohol 32-35, methyl iso-butyl ketone (MIBK) 40-50, HDI trimer 90-100, methyl methacrylate 30-35, styrene 20-23, first
Base hydroxy-ethyl acrylate 8.5-9, the trifluoro monooctyl ester 17-19 of methacrylic acid ten, benzoyl peroxide 0.6-0.8, methyl alcohol Ludox
25-28, propylene glycol methyl ether acetate 25-26,5% ammoniacal liquor are appropriate, silane coupler KH560 appropriate, appropriate cyclomethicone,
10% dibutyl tin laurate is appropriate, dispersant 0.6-1, levelling agent 0.6-0.8, defoamer 0.4-0.6, appropriate butyl acetate,
The poly- dioxy organic siloxane 2-3 of Firebrake ZB 5-7, terminal hydroxy group, oleic acid 0.3-0.5, maleic anhydride 2.2-2.5, ptfe emulsion
3-4。
A kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating, is made up of step in detail below：
（1）Perfluoroalkyl ethanol is mixed with the methyl iso-butyl ketone (MIBK) of butyl acetate, 2/3 times of amount, is added in reaction bulb, start to rise
Temperature is simultaneously slowly stirred to perfluoroalkyl ethanol and is completely dissolved, and instills the dibutyl tin laurate of 8-10 drops 10%, and liter high-temperature is extremely
After 70 DEG C, the mixed liquor of HDI trimer and butyl acetate is added dropwise, it is ensured that the completion of dropping in 1h, is stepped up temperature to 90 DEG C,
Cooling down is standby as component A to room temperature after insulation 2-3h；
（2）Appropriate butyl acetate is added to vessel in heating to the insulation 20min that flows back, then by methyl methacrylate, benzene second
The mixing of alkene, hydroxyethyl methacrylate, remaining methyl iso-butyl ketone (MIBK), 80% benzoyl peroxide and butyl acetate, wherein vinegar
Acid butyl ester is 3 with the volume ratio of methyl iso-butyl ketone (MIBK):1, the butyl acetate of above-mentioned backflow insulation is slowly dropped to after stirring and dissolving
In solution, it is ensured that completion of dropping in 1.5h, the trifluoro monooctyl ester of methacrylic acid ten is then rapidly added, rises high-temperature to 95 DEG C of backflows
Insulation 2h, then 10% benzoyl peroxide and appropriate butyl acetate are mixed disposably be added in container, insulation reaction 1-
Remaining benzoyl peroxide and appropriate butyl acetate are mixed again after 1.5h and is disposably added, insulation reaction 1-1.5h, with
After be cooled to 50 DEG C, seal standby；
（3）By Firebrake ZB in an oven in 0.4-0.6h is dried at 80 DEG C, take out while hot and oleic acid mixing is placed in homogenizer
Interior high-speed stirred, rotating speed is 1200-1400r/min, and the time is 20-30min, then with maleic anhydride, the poly- dioxy machine of terminal hydroxy group
Siloxanes is added in ptfe emulsion, and ultrasonic agitation is uniformly standby；
（4）Methyl alcohol Ludox is placed in the container that bath temperature is 60 DEG C, total system quality is slowly added under agitation
Fraction is 12% silane coupler KH560, isothermal reaction 1h, adds total system mass fraction for 3% cyclomethicone continues
Reaction 1h, is subsequently adding after propylene glycol methyl ether acetate is well mixed and is transferred on rotary evaporator, and vacuum distillation removes methyl alcohol,
Obtain the scattered hydrophobically modified Ludox of propylene glycol methyl ether acetate；
（5）By step（4）The product of preparation is added to step（3）In, being placed in fully shaking in ultrasonator uniformly, then will be mixed
Compound is added to step（2）It is slowly stirred in the product of preparation to being uniformly dispersed, adds dispersant, levelling agent and defoamer at a high speed
Stirring 30-50min, rotating speed is controlled to 1000-1200r/min, and then ultrasonic disperse 30-40min, then continues to high-speed stirred
20-30min, rotating speed is controlled to 700r/min, obtains component B, then by component A and component B according to mass ratio 1：3.2 mixing,
Room temperature is placed 10-15min and is cured, and is adjusted to suitable viscosity with ethyl acetate and is sprayed or brush after workpiece surface, surface drying
In baking-curing at 80 DEG C.
It is an advantage of the invention that：Polyurethane resin has good adhesive force, mechanical endurance and toughness, and film is acidproof
Alkali, chemical-resistant resistance, saline solution etc., film can in -50 DEG C of -120 DEG C of long-term uses, acrylic resin have weatherability it is good, protect
Light colour retention is excellent, heat-resist, there is certain decay resistance, and the acrylic resin of hydroxyl can with polyisocyanates reaction
The acroleic acid polyurethane film of function admirable is obtained, it is widely used, in order to reach requirement of double open coats for low-surface-energy,
Acrylic acid fluorochemical monomer is introduced during synthesis of hydroxy acrylic resin, fluorine is introduced by perfluoroalkyl ethanol in isocyanate component
Element, resin system of the synthesis with low-surface-energy, and further increase the chemical-resistant of coating, anticorrosive property, resistance to
Cold performance, the silanol for also being produced using silane coupler KH560 hydrolysis and the silica particle surface in Ludox such as heat-resisting
There is intermolecular dehydration in a part of hydroxyl, add cyclomethicone, the silanol and silicon dioxide granule table produced after hydrolysis
The remaining hydroxyl in face continues intermolecular dehydration, obtains modified hydrophobic Ludox, and polytetrafluoroethylene (PTFE) structure height is symmetrical,
With relatively low surface energy, material surface energy is lower, and adhesive force is smaller, and material surface is also bigger with the contact angle of liquid, single
Polytetrafluoroethylene (PTFE) can not be Nian Jie with coating interface, it is impossible to normal temperature cure, the present invention using in ptfe emulsion add
Hydrophobic sol, the effective cohesive force for improving polytetrafluoroethylene (PTFE) and base material improves hardness and wearability, and can structure coating surface
Roughness, improves contact angle, realizes super-hydrophobic, and the addition of boric acid modification zinc improves the anti-flammability of paint film, maleic anhydride and end
The addition of the poly- dioxy organic siloxane of hydroxyl improves compatibility of the ptfe emulsion in hydrophobic colloidal silica, improves paint film
The transparency, preparation process is simple of the present invention, raw material is easy to get, with low cost, with good universality, is applicable to various bases
Material, the coating of preparation has ultra-amphosphobic, resistance to marring and wearability, and adhesive force is strong, and long service life has a extensive future.
Specific embodiment
A kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating, by following weight portion（Kilogram）Raw material be made：
Perfluoroalkyl ethanol 32, methyl iso-butyl ketone (MIBK) 40, HDI trimer 90, methyl methacrylate 30, styrene 20, metering system
Sour hydroxyl ethyl ester 8.5, the trifluoro monooctyl ester 17 of methacrylic acid ten, benzoyl peroxide 0.6, methyl alcohol Ludox 25, propylene glycol monomethyl ether vinegar
The ammoniacal liquor of acid esters 25,5% is appropriate, silane coupler KH560 appropriate, appropriate cyclomethicone, 10% dibutyl tin laurate are suitable
Amount, dispersant 0.6, levelling agent 0.6, defoamer 0.4, appropriate butyl acetate, the poly- dioxy organic siloxane 2 of Firebrake ZB 5, terminal hydroxy group,
Oleic acid 0.3, maleic anhydride 2.2, ptfe emulsion 3.
A kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating, is made up of step in detail below：
（1）Perfluoroalkyl ethanol is mixed with the methyl iso-butyl ketone (MIBK) of butyl acetate, 2/3 times of amount, is added in reaction bulb, start to rise
Temperature is simultaneously slowly stirred to perfluoroalkyl ethanol and is completely dissolved, and instills the dibutyl tin laurates of 8 drops 10%, rises high-temperature to 70
After DEG C, the mixed liquor of HDI trimer and butyl acetate is added dropwise, it is ensured that the completion of dropping in 1h, is stepped up temperature to 90 DEG C, protect
Cooling down is standby as component A to room temperature after warm 2h；
（2）Appropriate butyl acetate is added to vessel in heating to the insulation 20min that flows back, then by methyl methacrylate, benzene second
The mixing of alkene, hydroxyethyl methacrylate, remaining methyl iso-butyl ketone (MIBK), 80% benzoyl peroxide and butyl acetate, wherein vinegar
Acid butyl ester is 3 with the volume ratio of methyl iso-butyl ketone (MIBK):1, the butyl acetate of above-mentioned backflow insulation is slowly dropped to after stirring and dissolving
In solution, it is ensured that completion of dropping in 1.5h, the trifluoro monooctyl ester of methacrylic acid ten is then rapidly added, rises high-temperature to 95 DEG C of backflows
Insulation 2h, then 10% benzoyl peroxide and appropriate butyl acetate are mixed disposably be added in container, insulation reaction 1h
Remaining benzoyl peroxide and appropriate butyl acetate are mixed into disposable addition again afterwards, insulation reaction 1h is then cooled to
50 DEG C, seal standby；
（3）By Firebrake ZB in an oven in 0.4h is dried at 80 DEG C, take out while hot and oleic acid mixing is placed in height in homogenizer
Speed stirring, rotating speed is 1200r/min, and the time is 20min, is then added to maleic anhydride, the poly- dioxy organic siloxane of terminal hydroxy group poly-
In tetrafluoroethene emulsion, ultrasonic agitation is uniformly standby；
（4）Methyl alcohol Ludox is placed in the container that bath temperature is 60 DEG C, total system quality is slowly added under agitation
Fraction is 12% silane coupler KH560, isothermal reaction 1h, adds total system mass fraction for 3% cyclomethicone continues
Reaction 1h, is subsequently adding after propylene glycol methyl ether acetate is well mixed and is transferred on rotary evaporator, and vacuum distillation removes methyl alcohol,
Obtain the scattered hydrophobically modified Ludox of propylene glycol methyl ether acetate；
（5）By step（4）The product of preparation is added to step（3）In, being placed in fully shaking in ultrasonator uniformly, then will be mixed
Compound is added to step（2）It is slowly stirred in the product of preparation to being uniformly dispersed, adds dispersant, levelling agent and defoamer at a high speed
Stirring 30min, rotating speed is controlled to 1000r/min, and then ultrasonic disperse 30min, then continues to high-speed stirred 20min, rotating speed control
700r/min is made as, component B is obtained, then by component A and component B according to mass ratio 1：3.2 mixing, room temperature is placed 10min and is entered
Row curing, is adjusted to suitable viscosity with ethyl acetate and sprays or brush in workpiece surface, and surface drying is after baking-curing at 80 DEG C
Can.
Preparation method according to embodiment carries out performance test to its coating, as a result as follows：
Adhesive force:1 grade；Pliability：1mm；Hardness：5H；Impact strength：50mm；It it is 153-159 ° with the contact angle of deionized water；
It it is 154-159 ° with peanut oil contact angle；4 ° of roll angle ＜.
Claims (2)
1. a kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating, it is characterised in that system is prepared by the raw material of following weight portion
Into：Perfluoroalkyl ethanol 32-35, methyl iso-butyl ketone (MIBK) 40-50, HDI trimer 90-100, methyl methacrylate 30-35, benzene
Ethene 20-23, hydroxyethyl methacrylate 8.5-9, the trifluoro monooctyl ester 17-19 of methacrylic acid ten, benzoyl peroxide 0.6-
0.8th, methyl alcohol Ludox 25-28, propylene glycol methyl ether acetate 25-26,5% ammoniacal liquor are appropriate, silane coupler KH560 is appropriate, ring
Appropriate methyl-silicone oil, 10% dibutyl tin laurate are appropriate, dispersant 0.6-1, levelling agent 0.6-0.8, defoamer 0.4-0.6,
It is the poly- dioxy organic siloxane 2-3 of appropriate butyl acetate, Firebrake ZB 5-7, terminal hydroxy group, oleic acid 0.3-0.5, maleic anhydride 2.2-2.5, poly-
Tetrafluoroethene emulsion 3-4.
2. a kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating according to claim 1, it is characterised in that by following tool
Body step is made：
（1）Perfluoroalkyl ethanol is mixed with the methyl iso-butyl ketone (MIBK) of butyl acetate, 2/3 times of amount, is added in reaction bulb, start to rise
Temperature is simultaneously slowly stirred to perfluoroalkyl ethanol and is completely dissolved, and instills the dibutyl tin laurate of 8-10 drops 10%, and liter high-temperature is extremely
After 70 DEG C, the mixed liquor of HDI trimer and butyl acetate is added dropwise, it is ensured that the completion of dropping in 1h, is stepped up temperature to 90 DEG C,
Cooling down is standby as component A to room temperature after insulation 2-3h；
（2）Appropriate butyl acetate is added to vessel in heating to the insulation 20min that flows back, then by methyl methacrylate, benzene second
The mixing of alkene, hydroxyethyl methacrylate, remaining methyl iso-butyl ketone (MIBK), 80% benzoyl peroxide and butyl acetate, wherein vinegar
Acid butyl ester is 3 with the volume ratio of methyl iso-butyl ketone (MIBK):1, the butyl acetate of above-mentioned backflow insulation is slowly dropped to after stirring and dissolving
In solution, it is ensured that completion of dropping in 1.5h, the trifluoro monooctyl ester of methacrylic acid ten is then rapidly added, rises high-temperature to 95 DEG C of backflows
Insulation 2h, then 10% benzoyl peroxide and appropriate butyl acetate are mixed disposably be added in container, insulation reaction 1-
Remaining benzoyl peroxide and appropriate butyl acetate are mixed again after 1.5h and is disposably added, insulation reaction 1-1.5h, with
After be cooled to 50 DEG C, seal standby；
（3）By Firebrake ZB in an oven in 0.4-0.6h is dried at 80 DEG C, take out while hot and oleic acid mixing is placed in homogenizer
Interior high-speed stirred, rotating speed is 1200-1400r/min, and the time is 20-30min, then with maleic anhydride, the poly- dioxy machine of terminal hydroxy group
Siloxanes is added in ptfe emulsion, and ultrasonic agitation is uniformly standby；
（4）Methyl alcohol Ludox is placed in the container that bath temperature is 60 DEG C, total system quality is slowly added under agitation
Fraction is 12% silane coupler KH560, isothermal reaction 1h, adds total system mass fraction for 3% cyclomethicone continues
Reaction 1h, is subsequently adding after propylene glycol methyl ether acetate is well mixed and is transferred on rotary evaporator, and vacuum distillation removes methyl alcohol,
Obtain the scattered hydrophobically modified Ludox of propylene glycol methyl ether acetate；
（5）By step（4）The product of preparation is added to step（3）In, being placed in fully shaking in ultrasonator uniformly, then will be mixed
Compound is added to step（2）It is slowly stirred in the product of preparation to being uniformly dispersed, adds dispersant, levelling agent and defoamer at a high speed
Stirring 30-50min, rotating speed is controlled to 1000-1200r/min, and then ultrasonic disperse 30-40min, then continues to high-speed stirred
20-30min, rotating speed is controlled to 700r/min, obtains component B, then by component A and component B according to mass ratio 1：3.2 mixing,
Room temperature is placed 10-15min and is cured, and is adjusted to suitable viscosity with ethyl acetate and is sprayed or brush after workpiece surface, surface drying
In baking-curing at 80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143576.9A CN106833325A (en) | 2016-12-13 | 2016-12-13 | A kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143576.9A CN106833325A (en) | 2016-12-13 | 2016-12-13 | A kind of super-amphiphobic resistance to marring anti-flaming transparent protective coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106833325A true CN106833325A (en) | 2017-06-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111057203A (en) * | 2019-12-31 | 2020-04-24 | 北京松井工程技术研究院有限公司 | Silicon-fluorine polyurethane acrylic resin and preparation method and application thereof |
| CN116218300A (en) * | 2022-12-21 | 2023-06-06 | 上海应用技术大学 | Water-based smoke-suppressing waterproof multifunctional fireproof paint and preparation and application thereof |
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| CN104327630A (en) * | 2014-10-14 | 2015-02-04 | 马鞍山市恒毅机械制造有限公司 | Glass coating with anti-radiation function, and its preparation method |
| CN105802429A (en) * | 2016-04-18 | 2016-07-27 | 芜湖县双宝建材有限公司 | Anti-ultraviolet coating |
| CN105820699A (en) * | 2016-04-18 | 2016-08-03 | 芜湖县双宝建材有限公司 | High and low temperature resistant coating |
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| CN104327630A (en) * | 2014-10-14 | 2015-02-04 | 马鞍山市恒毅机械制造有限公司 | Glass coating with anti-radiation function, and its preparation method |
| CN105802429A (en) * | 2016-04-18 | 2016-07-27 | 芜湖县双宝建材有限公司 | Anti-ultraviolet coating |
| CN105820699A (en) * | 2016-04-18 | 2016-08-03 | 芜湖县双宝建材有限公司 | High and low temperature resistant coating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111057203A (en) * | 2019-12-31 | 2020-04-24 | 北京松井工程技术研究院有限公司 | Silicon-fluorine polyurethane acrylic resin and preparation method and application thereof |
| CN111057203B (en) * | 2019-12-31 | 2022-03-22 | 北京松井工程技术研究院有限公司 | Silicon-fluorine polyurethane acrylic resin and preparation method and application thereof |
| CN116218300A (en) * | 2022-12-21 | 2023-06-06 | 上海应用技术大学 | Water-based smoke-suppressing waterproof multifunctional fireproof paint and preparation and application thereof |
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