CN107793912A - For the anti-rain erosion resistant coating for pushing away shell body of aircraft engine and its preparation - Google Patents
For the anti-rain erosion resistant coating for pushing away shell body of aircraft engine and its preparation Download PDFInfo
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- CN107793912A CN107793912A CN201711096176.1A CN201711096176A CN107793912A CN 107793912 A CN107793912 A CN 107793912A CN 201711096176 A CN201711096176 A CN 201711096176A CN 107793912 A CN107793912 A CN 107793912A
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- shell body
- aircraft engine
- resistant coating
- erosion resistant
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/12—Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
Abstract
The present invention is a kind of for the anti-rain erosion resistant coating for pushing away shell body protection of aircraft engine made of composite; it is made up of first, second component; wherein first component is formed after being mixed by the ammonia acid ester resin of hydroxyl, pigment, filler, dispersant, defoamer, levelling agent, solvent etc. with milling apparatus grinding; second component is the prepolymer of the base containing NCO, and the ammonia acid ester resin in described first component includes ring grease amine, mono-epoxy compound, solvent.There is the performances such as good resistance to weathering, resistance to sand and dust, resistance to ag(e)ing, elongation and tensile strength by the coating of the coating preparation.
Description
Technical field
The present invention relates to for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine.
Background technology
With the development of national defense industry, aircraft engine has also obtained significant progress as the heart of aircraft, and aircraft
The protection of engine it is also proposed higher requirement, and the anti-shell body that pushes away is the umbrella that engine resists external environment condition, counter to push away outside
The material of housing is composite, and the protection to it is particularly important.
The anti-shell body that pushes away of aircraft engine can be washed away in flight and landing by stronger air, and in air contain compared with
The corrosion rubber such as more sand and dust, salt fog, to its long-lasting protection with regard to particularly important.
Shell body is pushed away so that aircraft engine made of composite is counter, because flight environment of vehicle is naval air environment, is being flown
It can be washed away during row by gravel, salt fog etc., its long-lasting protection is just particularly important.Used engine is counter to push away shell
Body protective coating is the rain erosion resistant coating developed eighties of last century the seventies and eighties, and it is a kind of aromatic urethane coating, these
Although coating has preferable protective, but the poor-performing such as its ageing-resistant, color inhibition, salt spray resistance, it is impossible to outside being pushed away for engine is counter
Housing provides long-acting protection.
The content of the invention
The purpose of the present invention, for the anti-requirement for pushing away shell body under naval air environment of aircraft engine, develop
The aliphatic polyurethane rain erosion resistant coating of long-lasting protection a kind of, solving the same of the problems such as ageing-resistant original coating, color inhibition
When, the coating of preparation has good resistance to weathering, weatherability, resistance to sand dust and high resiliency.
The rain erosion resistant coating of the present invention is made up of first, second component, wherein ammonia acid ester resin of the first component by hydroxyl, face
Formed after the mixing such as material, filler, dispersant, defoamer, levelling agent, solvent with milling apparatus grinding；Second component is containing-NCO bases
Prepolymer.Aircraft engine is counter to push away shell body rain erosion resistant coating, and the quality solid content of first component is 45%~55%, second component
Quality solid content be 60%~70%.
By mass percentage, the formula of described first component is：
Described pigment is at least one of titanium dioxide, carbon black, chrome oxide green.
Described filler is at least one of mica powder, talcum powder, aerosil, wax powder.
Described dispersant is at least one of BYK-110, BYK-104S, BYK-P104S, BYK-163.
Described defoamer is at least one of BYK-054, BYK-052, BYK-066N.
Described levelling agent is at least one of BYK-378, BYK-320, Levelol-837.
The solvent is at least one of butyl acetate, propylene glycol methyl ether acetate, cyclohexanone, dimethylbenzene.
The formula of ammonia acid ester resin in described first component, by mass percentage：
Ring grease amine 20%~35%
Mono-epoxy compound 50%~60%
Solvent 15%~25%
Described ring grease amine is 3,3'- dimethyl -4,4- diamino-dicyclohexyl methanes (MACM), 4,4'- diaminourea two
At least one of cyclohexyl-methane.
The mono-epoxy compound is butyl glycidyl ether, tertiary carbonic acid glycidyl ester, iso-octyl glycidyl ether
Or at least one of γ-(2,3- expoxy propane) propyl trimethoxy silicane.
Using γ-(2,3- expoxy propane) propyl trimethoxy silicane, it has larger to cross-linking reaction density and adhesive force
Contribution.
Using the main chain that 3,3'- dimethyl -4,4- diamino-dicyclohexyl methane (MACM) is ammonia acid ester resin, it is to face
The wetability of filler is preferable, so the resistance to weathering of coating is preferable.
Above-mentioned solvent is identical with the solvent in first component.
The preparation method of the ammonia acid ester resin：Ring grease amine, mono-epoxy compound and stirring solvent is uniform, it is warming up to
120~130 DEG C of 2~3h of reaction, cooling, produce ammonia acid ester resin.
The preparation method of the first component：Dispersant, levelling agent, defoaming are sequentially added into homemade ammonia acid ester resin
Agent, pigment, filler, fineness being ground to less than 30 μm, filtering and discharging, obtains first component, its quality solid content is 45%~55%.
The present invention utilizes the ammonia acid ester resin of cyclic ester amine and the compound reaction generation hydroxyl containing epoxy radicals, the tree in a word
Double bond is free of in fat, is not easy xanthochromia, its wetability to color stuffing, anti-settling property have larger contribution, and also introduce silicon
Monomer, this crosslink density to coating, with the adhesive force of base material, weatherability all there is larger contribution.
The formula of described second component is by mass percentage：
Described hydroxyl group containing polyester resin is the 89# resins of northern coating institute production, and molecular weight is 1000~1500, matter
Measure solid content 80~100%.
Described polyalcohol is at least one of trimethylolpropane, 1,4- butanediols, neopentyl glycol.
Described polyisocyanates is at least one of IPDI, HDI.
The solvent is at least one of cyclohexanone, acetone, dimethylbenzene, ethyl acetate, butyl acetate.
The preparation technology of the component B is：Hydroxyl group containing polyester resin, polynary alcohol and solvent, stirring are added in reaction bulb
Under be warming up to backflow, after reflux dewatering 1h, be cooled to 70 ± 5 DEG C, add isocyanates, in 70 DEG C of insulation reaction 1h, at 80 DEG C
After insulation reaction 1h, 95 DEG C of insulation reaction 4h, NCO content is surveyed 2.5~5%, and quality solid content is 60%~70%.
First, second component in mass ratio 1.3:1 prepares coating, is constructed.
The present invention be it is a kind of for aircraft engine made of composite it is counter push away shell body protection rain erosion resistant coating, by
The coating of the coating preparation has the performances such as good resistance to weathering, resistance to sand and dust, resistance to ag(e)ing, elongation and tensile strength.
Embodiment
Embodiment 1
(1) it is 4,4 '-diamino-dicyclohexyl methane 200g, tertiary carbonic acid glycidyl ester 449g and dimethylbenzene stirring is equal
It is even, 120~130 DEG C of 2~3h of reaction, cooling are warming up to, filtering and discharging obtains ammonia acid ester resin, and quality solid content is 82 ± 2%.
(2) 500g ammonia acid ester resin and 880g butyl acetates are stirred, sequentially adds 8g dispersant Bs YK- thereto
P104S, 6g levelling agent Levelol-837,3g defoamer BYK-054,240g titanium dioxide, 134g aerosils, 105g waxes
Powder, fineness is ground to less than 30 μm, filtering and discharging obtains first component, and quality solid content is 50 ± 5%.
(3) preparation method of second component：160g hydroxyl group containing polyester resins (89# resins), the hydroxyls of 8g tri- are added in reaction bulb
Methylpropane and 106g butyl acetates, are warming up to backflow under stirring, after reflux dewatering 1h, be cooled to 70 ± 5 DEG C, it is different to add 72g
Isophorone diisocyanate, in 70 DEG C of insulation reaction 1h, after 80 DEG C of insulation reactions 1h, 95 DEG C of insulation reaction 4h, survey NCO content
2.2~5.0%, quality solid content is 60%~70%.
Embodiment 2
(1) by 4,4 '-diamino-dicyclohexyl methane 200g, tertiary carbonic acid glycidyl ester 238g, γ-(2,3- epoxies third
Alkane) propyl trimethoxy silicane 224g and dimethylbenzene stirs, is warming up to 120~130 DEG C of 2~3h of reaction, cooling, filters out
Material, obtains ammonia acid ester resin, and quality solid content is 82 ± 2%.
(2) 500g ammonia acid ester resin and 880g butyl acetates are stirred, sequentially adds 8g dispersant Bs YK- thereto
P104S, 6g levelling agent Levelol-837,3g defoamer BYK-054,240g titanium dioxide, 134g aerosils, 105g waxes
Powder, fineness is ground to less than 30 μm, filtering and discharging produces first component, and quality solid content is 50 ± 5%.
(3) preparation method of second component：160g hydroxy polyester resins (89# resins), the hydroxyl first of 8g tri- are added in reaction bulb
Base propane and 106g butyl acetates, are warming up to backflow under stirring, after reflux dewatering 1h, be cooled to 70 ± 5 DEG C, add the different Buddhists of 72g
That ketone diisocyanate, in 70 DEG C of insulation reaction 1h, after 80 DEG C of insulation reactions 1h, 95 DEG C of insulation reaction 4h, survey NCO% contents
2.2~5.0%, quality solid content is 60%~70%.
Embodiment 3
(1) by 3,3'- dimethyl -4,4- diamino-dicyclohexyl methane (MACM) 200g, butyl glycidyl ether 109g,
γ-(2,3- expoxy propane) propyl trimethoxy silicane 198g and dimethylbenzene stir, be warming up to 120~130 DEG C of reactions 2~
3h, cooling, filtering and discharging obtain ammonia acid ester resin, and quality solid content is 82 ± 2%.
(2) 500g ammonia acid ester resin and 880g butyl acetates are stirred, sequentially adds 8g dispersant Bs YK- thereto
P104S, 6g levelling agent Levelol-837,3g defoamer BYK-054,240g titanium dioxide, 134g aerosils, 105g waxes
Powder, fineness is ground to less than 30 μm, filtering and discharging obtains first component, and quality solid content is 50 ± 5%.
(3) preparation method of second component：160g hydroxyl group containing polyester resins (89# resins), the hydroxyls of 8g tri- are added in reaction bulb
Methylpropane and 106g butyl acetates, are warming up to backflow under stirring, after reflux dewatering 1h, be cooled to 70 ± 5 DEG C, it is different to add 72g
Isophorone diisocyanate, in 70 DEG C of insulation reaction 1h, after 80 DEG C of insulation reactions 1h, 95 DEG C of insulation reaction 4h, survey NCO content
2.2~5.0%, quality solid content is 60%~70%.
Embodiment 4
(1) by 3,3'- dimethyl -4,4- diamino-dicyclohexyl methane (MACM) 200g, tertiary carbonic acid glycidyl ester
210g, γ-(2,3- expoxy propane) propyl trimethoxy silicane 198g and dimethylbenzene stir, be warming up to 120~130 DEG C it is anti-
2~3h is answered, is cooled, filtering and discharging obtains ammonia acid ester resin, and quality solid content is 82 ± 2%.
(2) 500g ammonia acid ester resin and 880g butyl acetates are stirred under agitation, sequentially adds 8g points thereto
Powder BYK-P104S, 6g levelling agent Levelol-837,3g defoamer BYK-054,240g titanium dioxide, 134g gas phase titanium dioxides
Silicon, 105g wax powders, fineness is ground to less than 30 μm, filtering and discharging produces first component, and quality solid content is 50 ± 5%.
(3) preparation method of second component：160g hydroxyl group containing polyester resin (northern coating institute 89# trees are added in reaction bulb
Fat), 8g trimethylolpropanes and 106g butyl acetates, be warming up to backflow under stirring, after reflux dewatering 1h, be cooled to 70 ± 5 DEG C,
72g IPDIs are added, in 70 DEG C of insulation reaction 1h, in 80 DEG C of insulation reactions 1h, 95 DEG C of insulation reaction 4h
Afterwards, NCO% contents are surveyed 2.2~5.0%, quality solid content is 60%~70%.
Embodiment 5
(1) by 3,3 '-dimethyl -4,4 '-diaminourea cyclohexyl-methane 200g, tertiary carbonic acid glycidyl ester 210g, γ -
(2,3- expoxy propane) propyl trimethoxy silicane 198g and dimethylbenzene stir under agitation, be warming up to 120~130 DEG C it is anti-
2~3h is answered, is cooled, filtering and discharging, i.e. ammonia acid ester resin, quality solid content are 82 ± 2%.
(2) 500g ammonia acid ester resin and 880g butyl acetates are stirred under agitation, sequentially adds 8g points thereto
Powder BYK-P104S, 6g levelling agent Levelol-837,3g defoamer BYK-054,240g titanium dioxide, 134g gas phase titanium dioxides
Silicon, 105g wax powders, fineness is ground to less than 30 μm, filtering and discharging produces first component, and quality solid content is 50 ± 5%.
(3) preparation method of second component：160g hydroxyl group containing polyester resin (northern coating institute 89# trees are added in reaction bulb
Fat), 8g trimethylolpropanes and 123g butyl acetates, be warming up to backflow under stirring, after reflux dewatering 1h, be cooled to 70 ± 5 DEG C,
54.6g hexamethylene diisocyanates are added, in 70 DEG C of insulation reaction 1h, in 80 DEG C of insulation reactions 1h, 95 DEG C of insulation reaction 4h
Afterwards, NCO% contents are surveyed 2.5~5.0%, quality solid content is 60%~70%.
In above-described embodiment 1-5, first, second component in mass ratio 1.3:1 prepares coating, resistance to weathering, resistance to sand to coating
The performances such as dirt, resistance to ag(e)ing, elongation and tensile strength are tested.Resistance to weathering is tested using ASTM G73-2010,
20min mass loss is tested；Resistance to sand and dust are tested using GJB150.12A；Artificial ageing resistance uses GB/T14522
Test, 3000h are tested coating aberration and efflorescence degree；Elongation and tensile strength are tested using GB528.
The test result of embodiment 1-5 products is as follows：
Claims (10)
1. a kind of be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is made up of first, second component, the quality of first component is consolidated
Content is 45%~55%, and the quality solid content of second component is 60%~70%,
By mass percentage, the formula of described first component is：
The formula of described second component is by mass percentage：
First, second component in mass ratio 1.3:1 prepares coating.
2. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that described
The formula of ammonia acid ester resin in first component, by mass percentage：
Ring grease amine 20%~35%
Mono-epoxy compound 50%~60%
Solvent 15%~25%,
Described ring grease amine is 3,3'- dimethyl -4,4- diamino-dicyclohexyl methanes (MACM), the hexamethylene of 4,4'- diaminourea two
At least one of methylmethane；
The mono-epoxy compound be butyl glycidyl ether, tertiary carbonic acid glycidyl ester, iso-octyl glycidyl ether or γ-
At least one of (2,3- expoxy propane) propyl trimethoxy silicane；
The preparation method of the ammonia acid ester resin：Ring grease amine, mono-epoxy compound and stirring solvent is uniform, it is warming up to 120
~130 DEG C of 2~3h of reaction, cooling, produce ammonia acid ester resin.
3. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that described
Pigment in first component is at least one of titanium dioxide, carbon black, chrome oxide green.
4. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that described
Filler in first component is at least one of mica powder, talcum powder, aerosil, wax powder.
5. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that described
Solvent in first component is at least one of butyl acetate, propylene glycol methyl ether acetate, cyclohexanone, dimethylbenzene.
6. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that described
The preparation method of first component：Dispersant, levelling agent, defoamer, pigment, filler are sequentially added into homemade ammonia acid ester resin,
Fineness is ground to less than 30 μm, filtering and discharging, obtains first component, its quality solid content is 45%~55%.
7. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that described
The preparation technology of component B is：Hydroxyl group containing polyester resin, polynary alcohol and solvent are added in reaction bulb, is warming up to back under stirring
Stream, after reflux dewatering 1h, 70 ± 5 DEG C are cooled to, adds isocyanates, in 70 DEG C of insulation reaction 1h, in 80 DEG C of insulation reaction 1h,
After 95 DEG C of insulation reaction 4h, NCO content is surveyed 2.5~5%, and quality solid content is 60%~70%.
8. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that described
Hydroxyl group containing polyester resin in component B is the 89# resins of northern coating institute production, and 1000~1500, quality contains molecular weight admittedly
Amount 80~100%.
9. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that described
Polyalcohol in component B is at least one of trimethylolpropane, 1,4- butanediols, neopentyl glycol.
10. according to claim 1 be used for the anti-rain erosion resistant coating for pushing away shell body of aircraft engine, it is characterised in that institute
It is at least one of IPDI, HDI to state the polyisocyanates in component B.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096176.1A CN107793912B (en) | 2017-11-09 | 2017-11-09 | Rain erosion resistant coating for aircraft engine reverse thrust outer shell and preparation thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096176.1A CN107793912B (en) | 2017-11-09 | 2017-11-09 | Rain erosion resistant coating for aircraft engine reverse thrust outer shell and preparation thereof |
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| Publication Number | Publication Date |
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| CN107793912A true CN107793912A (en) | 2018-03-13 |
| CN107793912B CN107793912B (en) | 2019-12-27 |
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| CN113683950A (en) * | 2021-08-24 | 2021-11-23 | 江苏铁锚玻璃股份有限公司 | Rain erosion resistant coating |
| CN114316765A (en) * | 2021-11-26 | 2022-04-12 | 中昊北方涂料工业研究设计院有限公司 | Wind power blade coating and preparation method thereof |
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| CN113683950A (en) * | 2021-08-24 | 2021-11-23 | 江苏铁锚玻璃股份有限公司 | Rain erosion resistant coating |
| CN114316765A (en) * | 2021-11-26 | 2022-04-12 | 中昊北方涂料工业研究设计院有限公司 | Wind power blade coating and preparation method thereof |
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| CN107793912B (en) | 2019-12-27 |
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