CN108795222A - High Performance Corrosion Protective Coatings for ship power axis non-working surface - Google Patents
High Performance Corrosion Protective Coatings for ship power axis non-working surface Download PDFInfo
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention provides a kind of non-working surface High Performance Corrosion Protective Coatings of ship power axis, it is made of epoxy resin, modified epoxy, compound amine curing agent, color stuffing, auxiliary agent and solvent, the coating can ship power axis non-working surface without grinding process, and remains and construct in the case of the impurity such as water, rust, greasy dirt, room temperature fixed line has good antiseptic property.
Description
Technical field
The present invention relates to non-working surface High Performance Corrosion Protective Coatings of ship power axis and preparation method thereof.
Background technology
Ship power axis is the important component of Ship Power Equipment, and large ship power output is larger, is limited by cabin
System, line shaft are formed by connecting using more Fine Steel Casting irons；Medium and small-scale vessel power output is small, and line shaft mostly uses single stainless
The various materials forgings such as steel, the carbon steel for welding spelter.Material property changes after line shaft is corroded, and shafting can be caused when serious
Vibration, until deformation fracture, it is therefore desirable to ship power axis carry out anti-corrosion protection processing.The non-working surface of line shaft uses
Organic coating is protected, but since the country is optional without anticorrosion paint special, the non-working surface of usual line shaft uses ring
The protective coating that oxygen universal primer is painted with epoxy thickness or alkyd finish is constituted, the protective coating press standard GB/T/T
9271-2008《Paint and varnish standard test plate (panel)》With GB/T 13088-2008《Steel surface handles shot blastinog before coating coating
Steel surface roughness properties afterwards》It is required that surface of bottom material processing reaches Sa2.5 grades or St3 grades, i.e., surface of bottom material roughness is not
It obtains and is less than 25 μm, and the roughness of the non-working surface of line shaft only has 0.8~1.6 μm, and the processing such as polish cannot be carried out, therefore
Coating adhesion property is poor.In addition, when line shaft is processed, the cooling oil, lubricating oil used in lathe and air moisture condensation all can
Axis remained on surface is caused there are the impurity such as water, rust, greasy dirt, and line shaft length is long, weight is heavy, face curvature is big, using routine
Method surface is difficult to clean out, these factors easily lead to applying coating failure, cause the non-working surface corrosion of line shaft, up to not
To the purpose of long-term anti-corrosion protection, security risk is brought to line shaft operating.
Epoxy resin has excellent bonding adhesive force, wear-resisting property, mechanical performance, electrical insulation capability, chemical-resistant
Can and shrinking percentage is low, easy processing molding and it is of low cost the advantages that, but internal stress is big after curing, matter is crisp, fatigue durability, resistance to
Aging, heat resistance, impact resistance, resistance to cracking etc. are poor.Some researches show that by liquid polysulfide prepolymer and epoxy resin in amine
Under class catalysts conditions, reaction generates block copolymer, the i.e. excellent properties with epoxy resin, and can effectively improve epoxy
The internal stress and flexibility of coating, such as patent CN200610014497.8 and CN01109499.0, but the former needs to heat ability
Solidification, the latter's salt spray resistance and alternating hot and cold performance are general, and certain limitation is brought to construction and application.
Invention content
The present invention is to solve the above problems, provide a kind of non-working surface High Performance Corrosion Protective Coatings of ship power axis.It should
Anticorrosive paint can ship power axis non-working surface without grinding process, and the impurity situation such as remain water, rust, greasy dirt
Under, there is good antiseptic property.
The non-working surface of the ship power axis is made of with High Performance Corrosion Protective Coatings following component and content：
The epoxy resin is commercially available bisphenol A type epoxy resin, such as E51, E44, E20 choose any one kind of them.
The modified epoxy is by bisphenol A type epoxy resin E51, the polysulfide rubber and just that average molecular weight is 1000
Butyl glycidyl ether is according to weight ratio 7~8：1~2：1, through chemical synthesis, refers to Chinese patent ZL200710114530.9
(denomination of invention：Solvent-free non-toxic coating for large-scale container internal wall).
The compound amine curing agent is cashew nut oil modified pnenolic aldehyde amine hardener with other amine curing agents by weight
Ratio 10~2：1 is mixed with.
The cashew nut oil modified pnenolic aldehyde amine hardener preferably is selected from the CARDOLITE series of products of Ka Delai companies
It is a kind of in NX2001, NX2003, NX2007, NX2015, NX2018, NX2041, NX5454.Cashew nut oil modified pnenolic aldehyde amine hardener
It is small and less toxic with volatility, at the same also have it is insensitive to water, can be tide, the rust surface construction the characteristics of, but curing rate is fast,
Construction time is short, needs to add other amine curing agents, extends institute's usage time.
Other amine curing agents are a kind of resins in aromatic amine and the corresponding modified amine curing agent of fatty amine.
It is corresponding preferably to be selected from diethylenetriamine, m-xylene diamine, different Fu Er ketone diamines, diaminodiphenylmethane, diaminodiphenylsulfone etc.
Modified amine curing agent, such as BASF AG EC280, EC150, ECX1222, Kening Co., Ltd Versamine1000, Versamine
A-56, Huntsman Corporation REX853, Jia Dida companies JH5929, JH5236, JH5408, aerochemistry company
It is a kind of in the curing agent such as Ancamine1618, Ancamine2432, Ancamine2280.
Color stuffing appropriate is added according to particular use in coating of the present invention.Select with antisepsis micaceous iron oxide,
The pigment such as iron oxide red, aluminium powder, trbasic zinc phosphate, aluminium triphosphate, chromium oxide and functional filler nano silicon dioxide, precipitation
The fillers such as barium sulfate, talcum powder, mica powder, calcium carbonate, they are a variety of are used in combination.Chromium oxide that the present invention selects, trbasic zinc phosphate, three
Poly aluminium phosphate category reactive pigment, the Cr in molecule3-、Cr6-、P04 3-、PO4 5-Ion and Fe2+、Fe3+Ion has higher complexing energy
Power forms fine and close passivating film in metal surface, plays anti-rust action；Aluminium powder arranges in paint film in flakey, and paint can be improved
The shielding of film；Iron oxide red good, strong coloring force with covering power, has the performances such as media-resistant, high temperature resistant；Micaceous iron oxide,
The flaky form arrangement in paint film of talcum powder, mica powder, can be improved the closure of paint film, play waterproof, anti-impervious
Effect, coordinating with toughened resin can assign coating effective toughness again, be conducive to improve ply adhesion；Nano silicon dioxide by
In its grain size very little, therefore large specific surface area, the performances such as superficial attractive forces are strong, and dispersion performance is good have superior stability, benefit
Epistasis, thickening property and thixotropy；Blanc fixe, talcum powder and calcium carbonate not only have the filler effect of skeleton in the coating,
Also have the function of that substrate surface oil residues can be absorbed.
The auxiliary agent includes antifoaming agent, levelling agent, wetting dispersing agent, coupling agent.The antifoaming agent be BYK-019,
One or more of BYK-028, AFCONA2720, AFCONA2723, AFCONA2020, the levelling agent be BYK-322,
One or more of AFCONA3700, AFCONA3770, AFCONA3777, the wetting dispersing agent are BYK-P104S, BYK-
354, one or more of BYK-378, the coupling agent are one or more of KH-550, KH-560, KH-570.
The solvent is dimethylbenzene, propylene glycol monomethyl ether and cyclohexanone by weight proportion 3：1：1 mixed solvent prepared.It is molten
On the one hand agent can reduce the viscosity of coating, improve the application property of coating；On the other hand can be improved coating to the wetability of base material and
Permeability enhances the adhesive force of coating；Furthermore the remaining water of substrate surface can also be taken away in solvent volatilization process.According to
" similar to mix " principle, it is good with resin, curing agent intermiscibility that this project is selected, and the moderate dimethylbenzene of volatility, propylene glycol first
Ether and cyclohexanone etc. constitute the dicyandiamide solution of coating.
The non-working surface High Performance Corrosion Protective Coatings preparation method of composition of the ship power axis：
First prepare component A：Epoxy resin, modified epoxy, color stuffing, auxiliary agent and solvent are stirred by the proportion relation
It mixes uniformly, is then ground to 40-80 μm with sand mill or three-roller, strainer filtering, metering packing.
B component is prepared again：By the compound amine curing agent of the proportion relation.
A, B component is 3-8 by weight:1 uniform mixed preparing.
The coating method of the coating composition of the present invention can be brushing, roller coating or spraying process.
The High Performance Corrosion Protective Coatings of the present invention are normal temperature solidified.Non-working surface and various metals applied to ship power axis
The anti-corrosion protection of substrate surface, in particular for remaining the contaminant surfaces such as oil, water, it is possible to provide excellent long-effective corrosion performance.
The total coating layer thickness of dry film of the present invention is controlled at 120-160 μm, can obtain promising result.
The non-working surface of ship power axis prepared by present invention High Performance Corrosion Protective Coatings have following excellent comprehensive
Energy：
Flexibility (mm)：1 (GB/T1731-1993 paint film flexibilities measuring method)；
Adhesive force (grade)：1 (cross cut test of GB/T9286-1998 paint and varnish paint films)；
Impact strength (Kg.cm)：50 (GB/T1732-1993 paint film impact resistances measuring methods)；
Salt spray resistance：1000 hours it is not blistering, do not fall off, without discoloration (the resistance to neutral salt spray of GB/T1771-2007 paint and varnish
The measurement of performance)；
Cold-hot alternation：Ten cycle (- 30 DEG C, 30min；80 DEG C, 30min), the unchanged (GJB150.5-1986 of paint film
Temperature shock test)；
Sea water resistance：6 months paint films fall off without blistering, without cracking, nothing, and (GB/T9274-1988 paint and varnish resistant to liquid is situated between
The measurement of matter).
Specific implementation mode
The embodiment being set forth below is to the bright further explanation of this law, but the present invention is not limited solely to these embodiments.Embodiment
1：The preparation of modified epoxy
By 54 parts by weight epoxy resin E51,40 parts by weight PS1000 polysulfide rubber and 6 parts by weight n-butyl glycidyl ethers
It putting into reaction kettle, 2,4,6- tri- (dimethylaminomethyl) phenol of catalyst, 0.1 parts by weight are added to 80 DEG C in heating stirring,
It is reacted 4 hours at 80 DEG C.Obtain the homogeneous sticky modified epoxy of 100 parts of yellow transparents.
Embodiment 2：The preparation of High Performance Corrosion Protective Coatings
5 parts by weight of modified epoxy prepared by embodiment 1 are weighed, 35 parts by weight of epoxy resin E51 put into stainless steel
Tank high speed blender stirs, and antifoaming agent AFCONA2723, AFCONA2020 is added, and totally 0.5 parts by weight, levelling agent are
0.5 parts by weight of AFCONA3700, wetting dispersing agent are 0.5 parts by weight of BYK-P104S, coupling agent is 0.3 weight of KH-550
Part, 30 parts by weight of micaceous iron oxide, 20 parts by weight of chromium oxide, 5 parts by weight of blanc fixe, cunning are uniformly added afterwards with resin agitating
3 parts by weight of mountain flour, 2 parts by weight of nano silicon dioxide, 50 parts by weight of double solvents are stirred evenly, are then ground with sand mill or three rollers
Grinding machine is ground to standard fineness, filters and packages as coating component A.
Weigh 30 parts by weight of cashew nut oil modified pnenolic aldehyde amine hardener (Ka Delai companies) NX2015 and aerochemistry company
10 parts by weight of Ancamine1618,10 parts by weight of double solvents stir evenly, and are coating B component.
By two component of A, B by weight 3 when use：1 is sprayed at the non-working surface of ship power axis, room temperature after mixing
After solidification seven days, obtained coating performance index is as follows：
Flexibility (mm)：1；
Adhesive force (grade)：1；
Impact strength (Kg.cm)：50；
Salt spray resistance：1000 hours it is not blistering, do not fall off, without discoloration；
Cold-hot alternation：(- 30 DEG C, 30min；80 DEG C, 30min) ten cycles, paint film is unchanged.
Sea water resistance：6 months paint films fall off without blistering, without cracking, nothing；
The preparation of 3 High Performance Corrosion Protective Coatings of embodiment
2 parts by weight of modified resin prepared by embodiment 1 are weighed, 33 parts by weight of epoxy resin E44 put into high in stainless cylinder of steel
Fast blender stirring, antifoaming agent BYK-028, AFCONA2720 is added, and totally 0.3 parts by weight, levelling agent are 0.3 weights of AFCONA3770
Amount part, wetting dispersing agent are 0.4 parts by weight of BYK-354, coupling agent is KH-5600.3 parts by weight, are uniformly added afterwards with resin agitating
Enter 30 parts by weight of iron oxide red, 20 parts by weight of micaceous iron oxide, 10 parts by weight of trbasic zinc phosphate, 8 parts by weight of mica powder, nanometer titanium dioxide
2 parts by weight of silicon, 55 parts by weight of double solvents stir evenly, and are then ground to standard fineness, mistake with sand mill or three-roll grinder
Filter is packaged as coating component A.
Weigh 20 parts by weight of cashew nut oil modified pnenolic aldehyde amine hardener (Ka Delai companies) NX2001 and (Jia Dida companies)
10 parts by weight of JH5929,10 parts by weight of double solvents stir evenly, and are coating B component.
By two component of A, B by weight 4 when use：1 is sprayed on zinc-plated substrate surface, normal temperature cure seven after mixing
It, obtained coating performance index reaches the performance indicator of embodiment 2.
Embodiment 4
3 parts by weight of modified resin prepared by embodiment 1 are weighed, 42 parts by weight of epoxy resin E20 put into high in stainless cylinder of steel
Fast blender stirring, antifoaming agent BYK-019, AFCONA2020 is added, and totally 0.4 parts by weight, levelling agent are 0.4 weight of BYK-322
Part, wetting dispersing agent are 0.4 parts by weight of BYK-378, coupling agent is KH-5700.3 parts by weight, are uniformly added afterwards with resin agitating
30 parts by weight of calcium carbonate, 40 parts by weight of aluminium triphosphate, 30 parts by weight of trbasic zinc phosphate, 10 parts by weight of talcum powder, nano silicon dioxide 5
Parts by weight, 100 parts by weight of double solvents stir evenly, and are then ground to standard fineness with sand mill or three-roll grinder, filtering
It is packaged as coating component A.
Weigh 15 parts by weight of cashew nut oil modified pnenolic aldehyde amine hardener (Ka Delai companies) NX2007 and (BASF AG)
5 parts by weight of EC150,12.5 parts by weight of double solvents stir evenly, and are coating B component.
In the non-working surface construction of the ship power axis for the impurity such as become rusty with grease, coated side is done with solvent wiping first
Only, by two component of A, B by weight 8：1 sprays after mixing, and normal temperature cure obtains excellent anti-corrosion protection coating after seven days,
Coating performance index reaches the performance indicator of embodiment 2.
Embodiment 5
4 parts by weight of modified resin prepared by embodiment 1 are weighed, 36 parts by weight of epoxy resin E51 put into high in stainless cylinder of steel
Fast blender stirring, is added antifoaming agent AFCONA2723, AFCONA2020 totally 0.5 parts by weight, levelling agent AFCONA3777
0.5 parts by weight, wetting dispersing agent are 0.5 parts by weight of BYK-P104S, coupling agent is 0.5 parts by weight of KH-550, with resin agitating
30 parts by weight of aluminium powder, 15 parts by weight of trbasic zinc phosphate, 30 parts by weight of blanc fixe, 10 parts by weight of mica powder, nanometer are added after uniformly
5 parts by weight of silica, 68 parts by weight of double solvents stir evenly, and it is thin to be then ground to standard with sand mill or three-roll grinder
Degree, filters and packages as coating component A.
Weigh 30 parts by weight of cashew nut oil modified pnenolic aldehyde amine hardener (Ka Delai companies) NX2041 and (Kening Co., Ltd)
5 parts by weight of Versamine1000,15 parts by weight of double solvents stir evenly, and are coating B component.
It constructs in metal surfaces such as aluminium alloy, stainless steel, titanium alloys, simulates the non-working surface of ship power axis in a variety of conjunctions
Protective value under auri material.First that coated side surface wipes are clean, corrosion is by national standard polishing cleaning, by two component of A, B
By weight 4：1 sprays after mixing, and normal temperature cure obtains excellent anti-corrosion protection coating, obtained film performance after seven days
Index reaches the performance indicator of embodiment 2.
Comparative example 1：Comparative example 1, preparation method are prepared according to patent CN200610014497.8 the methods：By end sulfydryl
400 grams with epoxy resin of 80 grams of liquid polysulfide prepolymer is added in the reactor with blender, is stirred and heated to 80 DEG C,
0.1 gram 2,4,6- (N, N- dimethylaminomethyl) phenol is added, reacts 2 hours, is down to room temperature, it is total to obtain polysulfide-epoxy block
Polymers；By 100 parts of polysulfide-epoxidized block copolymer, 5 parts of wax-proofing agent, 30 parts of silica flour, 0.1 part of aerosil, activity is dilute
5 parts of agent is released, 15 parts of organic amine curing agent is sufficiently mixed uniformly, and coating is equably sprayed to the specimen surface of polishing cleaning,
The coating is in 100 DEG C of completion of cures.
Comparative example 2：Comparative example 2, preparation method are prepared according to patent CN1109499.0 the methods：By dimethylbenzene and fourth
Alcohol presses 7:Mixed solvent is made in 3 ratios.Polysulfide rubber is dissolved respectively with mixed solvent and solution is made in epoxy resin.By polysulfide rubber
Sol solution and epoxy resin solution mix in proportion, and the heating stirring 40~after sixty minutes within the scope of 50~100 DEG C, addition is filled out
Material, coloring pigment, auxiliary agent etc., stir evenly, ground to be dispersed to 60~80 microns, are uniformly mixed with catalytic curing agent, will apply
Material is equably sprayed at the specimen surface of polishing cleaning, the coating normal temperature cure.
Comparative example 3：Comparative example 3, preparation method are prepared according to patent ZL200710114530.9 the methods：By E51 rings
54 parts by weight of oxygen resin, 40 parts by weight of PS1000 polysulfide rubber and 6 parts by weight of n-butyl glycidyl are put into reaction kettle, are risen
Tri- (dimethylaminomethyl) phenol of catalyst 2,4,6-, 0.03 parts by weight are added to 90 DEG C in temperature while stirring.It is kept the temperature at 90 DEG C
It is stirred to react 3 hours below, obtains polysulfide-rubber-modified epoxy.Weigh 80 parts by weight of E51 epoxy resin, polysulfide rubber changes
Property 20 parts by weight of epoxy resin, put into stainless cylinder of steel and stirred with homogenizer, be added antifoaming agent BYK-055 and
DEH6800 totally 1.02 parts by weight, 0.45 parts by weight of wetting dispersing agent BYK-P104S, levelling agent BYK-3220.03 parts by weight, with
Resin agitating is uniformly added 1.3 parts by weight of titanium dioxide, 14.5 parts by weight of blanc fixe, 1.4 parts by weight of organobentonite and stirs afterwards
It mixes uniformly, is ground to standard fineness, filters and packages as coating component A；Weigh 70 parts by weight of K41 curing agents,
Antifoaming agent BYK-055 and DEH6800 totally 1.0 parts by weight, wetting dispersing agent BYK-P104s0.5 parts by weight, put into stainless cylinder of steel
It is middle stirred evenly with homogenizer after, it is equal that 47 parts by weight of aqua oxidation iron oxide red, the stirring of 0.2 parts by weight of organobentonite is added
It is even, it is ground to standard fineness, filters and packages the B component as coating；By A, B component by weight 1:1 ratio mixing, spraying
In the specimen surface of polishing cleaning, the coating normal temperature cure.
Comparative Examples 1 and 2,3 are compared with the embodiment of the present invention, as a result see the table below.
Table one
By one experimental results of table it is found that
Comparative example 1 is using, without n-butyl glycidyl ether, it is solid that compound amine is not used in curing agent in polysulfide epoxy copolymer
Agent is different from the present invention, therefore fails to reach in aspect of performance such as solidification temperature, salt spray resistance, sea water resistance and cold-hot alternations
The excellent properties of the present invention.
Comparative example 2 uses in polysulfide epoxy copolymer without n-butyl glycidyl ether, is different from the present invention, therefore in salt tolerant
The aspect of performance such as mist and cold-hot alternation fail the performance for reaching the present invention.
The color stuffing that comparative example 3 uses is different from the present invention, therefore not as good as the present invention in terms of flexibility and impact strength
Performance is good.
Claims (7)
1. the High Performance Corrosion Protective Coatings for ship power axis non-working surface, which is characterized in that be made of following component and content：
2. the High Performance Corrosion Protective Coatings according to claim 1 for ship power axis non-working surface, which is characterized in that described
Epoxy resin is commercially available bisphenol A type epoxy resin.
3. the High Performance Corrosion Protective Coatings according to claim 1 for ship power axis non-working surface, which is characterized in that described
Modified epoxy is by bisphenol A type epoxy resin E51, the polysulfide rubber and n-butyl glycidyl ether that average molecular weight is 1000
According to weight ratio 7~8：1~2：1 through chemical synthesis.
4. the High Performance Corrosion Protective Coatings according to claim 1 for ship power axis non-working surface, which is characterized in that described
Compound amine curing agent is cashew nut oil modified pnenolic aldehyde amine hardener and other amine curing agents by weight proportion 10~2：1 mixing
It prepares, other amine curing agents, are one kind in aromatic amine and the corresponding modified amine curing agent of fatty amine.
5. the High Performance Corrosion Protective Coatings according to claim 1 for ship power axis non-working surface, which is characterized in that described
Color stuffing is selected from one or more of micaceous iron oxide, iron oxide red, aluminium powder, trbasic zinc phosphate, aluminium triphosphate, chromium oxide, with
And one or more of nano silicon dioxide, blanc fixe, talcum powder, mica powder, calcium carbonate.
6. the High Performance Corrosion Protective Coatings according to claim 1 for ship power axis non-working surface, which is characterized in that described
Double solvents is dimethylbenzene, propylene glycol monomethyl ether and cyclohexanone by weight proportion 3：1：1 double solvents prepared.
7. being used for the High Performance Corrosion Protective Coatings of ship power axis non-working surface as described in claim 1, which is characterized in that prepare
Method：
It is prepared by component A：By the proportion relation answering epoxy resin, modified epoxy, color stuffing, auxiliary agent and 80-90%
Bonding solvent stirs evenly, and is then ground to 40-80 μm with sand mill or three-roller, filters metering packing；It is prepared by B component：It is compound
Type amine curing agent is uniformly mixed with the double solvents of 10-20%；A, B component is 3-8 by weight:1 constructs after mixing.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810616A (en) * | 2019-02-02 | 2019-05-28 | 宁夏瑞锦新材料技术有限公司 | A kind of high abrasion epoxy ceramic composite coating and preparation method thereof |
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| CN113292926A (en) * | 2021-04-28 | 2021-08-24 | 常州大学 | Water-based self-repairing epoxy anticorrosive paint and preparation method thereof |
| CN113292926B (en) * | 2021-04-28 | 2021-11-30 | 常州大学 | Water-based self-repairing epoxy anticorrosive paint and preparation method thereof |
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Application publication date: 20181113 |