CN109207023A - The controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating - Google Patents
The controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating Download PDFInfo
- Publication number
- CN109207023A CN109207023A CN201811119601.9A CN201811119601A CN109207023A CN 109207023 A CN109207023 A CN 109207023A CN 201811119601 A CN201811119601 A CN 201811119601A CN 109207023 A CN109207023 A CN 109207023A
- Authority
- CN
- China
- Prior art keywords
- epoxy resin
- hydrophobic coating
- aeronautical material
- preparing
- environmental protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
-
- 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
- C09D7/63—Additives non-macromolecular organic
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paints Or Removers (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The invention discloses a kind of controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating, the preparation method after epoxy resin acetone solution the following steps are included: by being sprayed on processed aeronautical material substrate, obtain adhesive layer, then curing agent is added with mechanical stirring in zinc stearate powder and epoxy resin after mixing, suitable acetone is added to be sprayed on adhesive layer after mixing, gained coating sample is dried at room temperature, then it is etched in acetic acid solution, it is modified after cleaning-drying in stearic ethanol solution, it is drying to obtain hydrophobic coating.The preparation method of hydrophobic coating of the invention has controllability good, Environmental Safety, and preparation process is easy, the advantages such as cost is relatively low, is suitable for aeronautical material surface covering.
Description
One, technical field
The present invention relates to a kind of functional material preparation fields, are in particular a kind of hydrophobic paintings of aeronautical material surface environmental protection
The controllable method for preparing of layer.
Two, background technique
Aviation aircraft mainly flies in atmospheric environment, when encountering steam in troposphere, is easy be exposed to outer boat
Empty material surface condensation freezes, and especially empennage freezes will destroy the aerodynamic performance of aircraft, empennage knot significantly
Ice makes the wing of aircraft hinder increase, lift resistance ratio reduction, can decline so as to cause the aerodynamic stability of aircraft, seriously
When will lead to aircraft occur mechanical shaking, thus to aircraft safety generate seriously threaten, therefore, develop aeronautical material table
Face hydrophobic coating is of great significance.
Currently, scientific research personnel both domestic and external has passed through template, etching method, sol-gel method etc., a variety of dredge has been prepared
Water coating, and report preparation method.However, due to the difference of basis material and coating process, coating result very different,
It is relatively fewer in particular for the hydrophobic coating report of aeronautical material.Although the preparation method of existing hydrophobic coating has some excellent
Point also has many urgently improved places, if any method use environmentally harmful ingredient, some preparation process complexity lead
Higher cost is caused, some prepares coating hydrophobic effects are bad or bad with basal body binding force, especially the controllability of preparation method
It is poor, therefore, seldom it is widely applied.
Three, summary of the invention
Present invention aim to overcome the deficiencies in the prior art, guarantee to be free of environmentally harmful ingredient in coating,
Simplify preparation process, reduce cost, improve coating hydrophobic effect and and basal body binding force, a kind of aeronautical material surface loop is provided
Protect the controllable method for preparing of hydrophobic coating.
The present invention is achieved through the following technical solutions:
A kind of controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating carries out in accordance with the following steps:
1) pre-treatment: aeronautical material substrate first cleans 2-5min with the hydrochloric acid solution of 0.1-0.2mol/L, then uses deionization
Water rinses, and then cleans 2-10min with the sodium hydroxide solution of 0.1-0.2mol/L, uses acetone rinsing after being washed to neutrality, does
It is dry；
2) surface covering: epoxy resin is dissolved in diluent, and the substrate after being sprayed on pre-treatment is up to a thickness of 5-
60 μm, 20-30min is waited to obtain adhesive layer；Then by hydrophobic granule and epoxy resin 0.5-3:1 mechanical stirring in mass ratio
Be uniformly mixed, add curing agent mixing, be eventually adding diluent and be configured to spray solution, be sprayed on adhesive layer up to a thickness of
It 50-1000 μm, dries under room temperature；
3) it etches: material after coating is placed in 40-60vol% acetic acid solution, etch 1-10min, be washed to neutrality,
Dry 20-40min at 30-80 DEG C；
4) surface modification: material after etching is placed in 0.5-5wt% stearic acid ethanol solution, modifies 5-60min,
The dry 10-30min at 20-70 DEG C, up to hydrophobic coating after dehydrated alcohol volatilizees completely.
Wherein, the diluent is one of acetone or ethyl acetate；
The aeronautical material substrate is aircraft aluminum 7075；
The epoxy resin is E51 type epoxy resin, and curing agent is W93 type amine curing agent；
The spray pressure is 0.5-0.65MPa；
The mass ratio of the epoxy resin and diluent is 1:6-10；
The mass ratio of the epoxy resin and curing agent is 10:2-5；
The hydrophobic granule is one of zinc stearate, magnesium stearate or silica, and partial size is 0.1-2 μm.
Compared with prior art, present invention has an advantage that
1. preparation method controllability of the invention is good, expensive device, at low cost is not needed, is not needed at complicated chemistry yet
Reason, simple process are suitble to large-scale industrial production.
2. preparation method of the invention is safe and environment-friendly, environmentally harmful raw material is not used, not will cause and environment is broken
It is bad.
3. hydrophobic coating of the invention can efficiently reduce aircraft compared with aviation aircraft traditional heating deicer
Weight, it is energy saving.
4. the hydrophobic effect of hydrophobic coating of the invention and more preferable with the binding force of aviation substrate.
Four, specific embodiment
Embodiment 1
Aircraft aluminum 7075 is cleaned into 5min with the hydrochloric acid solution of 0.1mol/L, then is rinsed with deionized water, is then used
The sodium hydroxide solution of 0.12mol/L cleans 2min, uses acetone rinsing after being washed to neutrality, dry；Then by 3g E51 epoxy
Resin is sprayed on aircraft aluminum 7075 up to a thickness of 12 μm under 0.5MPa pressure after being dissolved with 24g acetone soln, wait
20min obtains adhesive layer.Then the zinc stearate powder and 5g E51 epoxy resin mechanical stirring by 10g partial size for 0.5 μm
1.5gW93 curing agent is added after mixing, adds 40g acetone and is sprayed on adhesive layer after mixing up to a thickness of 800-
900 μm, gained coating sample is dried at room temperature, etches coating in the acetic acid aqueous solution of 50vol% after dry
5min, then cleaned with deionized water until neutral, the dry 30min at 60 DEG C；Then 2% stearic acid ethanol solution
Middle modification 30min, dry 20min is at 50 DEG C up to hydrophobic coating.
Embodiment 2
Aircraft aluminum 7075 is first cleaned into 2min with the hydrochloric acid solution of 0.2mol/L, then is rinsed with deionized water, is then used
The sodium hydroxide solution of 0.1mol/L cleans 8min, uses acetone rinsing after being washed to neutrality, dry；3g E51 epoxy resin is used
Aircraft aluminum 7075 is sprayed on after the dissolution of 30g acetone soln under 0.6MPa pressure up to a thickness of 45 μm, 30min is waited to obtain
Adhesive layer.Then 15g partial size is added with 5g E51 epoxy resin with mechanical stirring after mixing for 1 μm of magnesium stearate powder
2g W93 curing agent adds 40g acetone and is sprayed on adhesive layer after mixing up to a thickness of 300-400 μm, gained coating
Sample is dried at room temperature, and coating etches 8min in the acetic acid solution of 40vol% after drying, then is cleaned with deionized water
Until neutral, the dry 20min at 80 DEG C；Then the stearic acid ethanol solution 1% modifies 10min, does at 60 DEG C
Dry 15min is up to hydrophobic coating.
1,2 gained coating of above-described embodiment is tested by composition detection and contact angle test, finds no harmful environment
Ingredient, while the coating contact angle is obtained at 132 ° or more；By 100N pressure reciprocating friction 30 times or more, it is showed no coating
It falls off or cracking phenomena, shows that hydrophobic coating environmental protection, hydrophobic effect are good, it is strong with basal body binding force.
Claims (4)
1. a kind of controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating, which comprises the steps of:
1) pre-treatment: aeronautical material substrate first cleans 2-5min with the hydrochloric acid solution of 0.1-0.2mol/L, then is rushed with deionized water
It washes, then cleans 2-10min with the sodium hydroxide solution of 0.1-0.2mol/L, use acetone rinsing after being washed to neutrality, it is dry；
2) surface covering: epoxy resin is dissolved in diluent, the substrate after being sprayed on pre-treatment up to a thickness of 5-60 μm,
20-30min is waited to obtain adhesive layer；Then hydrophobic granule and epoxy resin 0.5-3:1 in mass ratio are mixed with mechanical stirring
Uniformly, curing agent mixing is added, diluent is eventually adding and is configured to spray solution, be sprayed on adhesive layer up to a thickness of 50-
It 1000 μm, dries under room temperature；
3) it etches: material after coating is placed in 40-60vol% acetic acid solution, etch 1-10min, neutrality is washed to, in 30-
Dry 20-40min at 80 DEG C；
4) surface modification: material after etching is placed in 0.5-5wt% stearic acid ethanol solution, modifies 5-60min,
Dry 10-30min at 20-70 DEG C, up to hydrophobic coating after dehydrated alcohol volatilizees completely；
Wherein, the aeronautical material substrate is aircraft aluminum 7075；The diluent is one in acetone or ethyl acetate
Kind；The epoxy resin is E51 type epoxy resin, and curing agent is W93 type amine curing agent；The spraying, pressure are
0.5-0.65MPa。
2. a kind of controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating according to claim 1, feature exist
In the mass ratio of the epoxy resin and diluent is 1:6-10.
3. a kind of controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating according to claim 1, feature exist
In the mass ratio of the epoxy resin and curing agent is 10:2-5.
4. a kind of controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating according to claim 1, feature exist
In the hydrophobic granule is one of zinc stearate, magnesium stearate or silica, and partial size is 0.1-2 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119601.9A CN109207023A (en) | 2018-09-25 | 2018-09-25 | The controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119601.9A CN109207023A (en) | 2018-09-25 | 2018-09-25 | The controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109207023A true CN109207023A (en) | 2019-01-15 |
Family
ID=64981468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811119601.9A Pending CN109207023A (en) | 2018-09-25 | 2018-09-25 | The controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109207023A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005052940A1 (en) * | 2005-11-03 | 2007-05-10 | Degussa Gmbh | Process for coating substrates |
| CN101982560A (en) * | 2010-10-27 | 2011-03-02 | 东南大学 | Low-cost superhydrophobic surface treatment method of aluminum alloy |
| CN103569950A (en) * | 2013-10-11 | 2014-02-12 | 中国科学院深圳先进技术研究院 | Preparation method of super-lyophobic surface |
| CN106883650A (en) * | 2017-04-21 | 2017-06-23 | 黑龙江凯恩琪新材料科技有限公司 | It is a kind of can the lasting super-hydrophobic coat of freezing preparation method |
-
2018
- 2018-09-25 CN CN201811119601.9A patent/CN109207023A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005052940A1 (en) * | 2005-11-03 | 2007-05-10 | Degussa Gmbh | Process for coating substrates |
| CN101982560A (en) * | 2010-10-27 | 2011-03-02 | 东南大学 | Low-cost superhydrophobic surface treatment method of aluminum alloy |
| CN103569950A (en) * | 2013-10-11 | 2014-02-12 | 中国科学院深圳先进技术研究院 | Preparation method of super-lyophobic surface |
| CN106883650A (en) * | 2017-04-21 | 2017-06-23 | 黑龙江凯恩琪新材料科技有限公司 | It is a kind of can the lasting super-hydrophobic coat of freezing preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 张福学等: "《无驱动结构微机械陀螺及其应用》", 31 December 2013, 国防工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109852238A (en) | A kind of sprayable resistance to ablative coatings of silicon rubber base lightweight and its application | |
| CN103788911A (en) | Environment-friendly adhesive containing modified nanometer bamboo charcoal powder | |
| CN103788823A (en) | Fireproof heat-preserving and heat-insulating coating, and preparation method thereof | |
| CN102019695A (en) | Preparation method of chopped carbon fiber reinforced phenolic resin base composite material | |
| CN109796872A (en) | Organic siliconresin and the compound resistance to ablative coatings of ba phenolic resin and its application | |
| CN107502119A (en) | A kind of preparation method of high performance fluorine Si modification finish | |
| CN102977730B (en) | Metal antirust paint treating modified attapulgite as filler, and its preparation method | |
| CN109207023A (en) | The controllable method for preparing of aeronautical material surface environmental protection hydrophobic coating | |
| CN107603286B (en) | Rigid thermal insulation tile coating of 1500 DEG C of unburned heatproof and preparation method thereof | |
| CN103911687A (en) | Preparation method for modified alumina fiber used for heat-insulation anticorrosive coating | |
| CN104478387A (en) | Carbon fiber gypsum material and preparation method thereof | |
| CN103979804A (en) | Preparation method of hydrophobic abrasion-proof film for automotive glass | |
| CN104927553A (en) | Environment-friendly waterproof corrosion-resistant marine coating | |
| CN105034107A (en) | Method for preparing composite wood with hydroxide | |
| CN104085014B (en) | Heat-resistant anticorrosive modification agent for a kind of timber floor timber | |
| CN108373757B (en) | Preparation method of water-based anticorrosion and fireproof integrated coating | |
| CN107362957A (en) | A kind of Mg alloy surface anticorrosive treatment process | |
| CN109054259A (en) | A kind of ceramic aluminum single sheet processing technology | |
| CN107955509A (en) | A kind of cement-based penetrant water-repellent paint | |
| CN109112525A (en) | A kind of composite passivant for Al-alloy metal plate | |
| CN112876913B (en) | Water-based composite antifouling light coating and preparation method thereof | |
| CN108044922A (en) | The method that polymer matrix composites surface prepares the ice-covering-proof surface of superhydrophobic microstructure | |
| CN107715811B (en) | Self-repairing microcapsule for aqueous coating on surface of wood material and preparation method thereof | |
| CN109575752A (en) | A kind of waterproof acid-resistant paint and preparation method thereof | |
| CN104152016A (en) | Three-proofing lacquer for accelerating heat radiation of circuit board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |