CN106010239A - Environment-friendly corrosion resistant primer and preparation method thereof - Google Patents

Environment-friendly corrosion resistant primer and preparation method thereof Download PDF

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Publication number
CN106010239A
CN106010239A CN201610504563.3A CN201610504563A CN106010239A CN 106010239 A CN106010239 A CN 106010239A CN 201610504563 A CN201610504563 A CN 201610504563A CN 106010239 A CN106010239 A CN 106010239A
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parts
priming paint
corrosion protection
environment friendly
agent
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王觉明
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Taicang Gold Coating Material Co Ltd
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Taicang Gold Coating Material Co Ltd
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Priority to CN201610504563.3A priority Critical patent/CN106010239A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D187/00Coating compositions based on unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

Abstract

The invention provides environment-friendly corrosion resistant primer and a preparation method thereof. The primer is prepared from the following components: silicone modified epoxy resin, polyethylene glycol modified amino resin, propanediol butyl ether, diethylenetriamine, light calcium carbonate, anti-rust pigment, silane coupling agents, coalescing agents, thickeners, defoamers, flatting agents, emulsifiers, stabilizers, deionized water and ethanol. According to the primer, the specially-made silicone modified epoxy resin is matched with the polyethylene glycol modified amino resin so as to be used as main components, and the modified epoxy resin and amino resin are matched, so that the paint film hardness of the primer can be effectively increased, the adhesion is increased, the corrosion resistant capability is enhanced, and the composition design is reasonable; the deionized water is used as a solvent for dilution, and an organic solvent is replaced, so that the environment is friendly, the wear resistant performance is improved, the adhesion is strong, the malleability is good, the high temperature is resistant, and the service life is long; spray coating is replaced by roller coating during coating, so that the production environment is effectively improved, and good health of workers is guaranteed.

Description

A kind of environment friendly corrosion protection priming paint and preparation method thereof
Technical field
The present invention relates to a kind of environment friendly corrosion protection priming paint and preparation method thereof.
Background technology
Priming paint is the ground floor of paint system, for improving the adhesive force of finish paint, increasing the richness of finish paint, offer alkali resistant Property, anti-corrosion function etc. is provided, can ensure that the uniform pickup of finish paint simultaneously, make paint system play optimum efficiency.Surface paint quality Well just can be without priming paint, this saying is the most right, because finish paint is different from the function of priming paint, finish paint more lays particular emphasis on final dress Decorations and apparent effect, priming paint then lays particular emphasis on raising adhesive force, anti-corrosion function, alkali resistance etc..
Priming paint, refers to the coating being directly applied to body surface as finish paint solid foundation.Require adhesion-tight on object plane, To increase the adhesive force of upper coating, improve the dicoration of finish paint.Priming coat, base coat can be divided into according to coating specification Deng.
The effect of priming paint is that
1. close: some metope alkalescence is relatively strong, after tide gas and water etc. is soaked, produce Tronae, formal name used at school " accumulation of salt in the surface soil ", this situation Cause coating surface to form crateriform projection, form one layer of alkali frost at coating surface time serious, finally make paint film destroy.Latex Paint priming paint can play sealing process, alleviates this situation.If but your family's house body of wall is relatively dry, and floor is higher, Need not also can't go wrong, but advise your use, insurance.
2. adhesive force: in priming paint, emulsion content is higher, adhesive force is stronger.The adhesion of emulsion paint film and metope can be improved.
3. fill and lead up: if your metope alkalescence is the strongest and the most smooth, priming paint can not be used, certainly employ more preferably.
Before brushing finish paint, brush one layer of wash coats be possible not only to save decoration cost, come from long-range and decorative effect Seeing, being coated with priming more has the advantage got twice the result with half the effort.Meanwhile, the adhesive force that priming paint is good makes metope more flatten out cunning, makes finish paint be more easy to Brushing, decreases the usage amount of finish paint.Consequently, it is possible to metope had both avoided paint disease, it is beneficial to again longer time holding and is coated with brushing effects.
But, as the one of the paint of application facility, environment would generally be brought harm, in priming paint by existing priming paint Organic solvent steam can stimulate ocular mucosae to draw tears from sb.If the organic solvent in priming paint and contact skin can dissolve skin oil Fat and penetrate into tissue, disturb physiological function, dehydration, thus cause infecting dirt and antibacterial because of chapped skin.If organic solvent Contact epiderm skin, can cause the dissolving of table skin keratin to cause epidermal cornified, stimulates epidermis to cause redness and bubble part.If Paint solvent penetrates in human body, then can destroying blood-cell and bone marrow etc..
After the organic solvent steam of existing priming paint sucks human body via respiratory apparatus, people often produces anesthetic action.Steam Aspiration is most after entering reaches pulmonary through enterprise management, is then sent to other organs through blood or lymph fluid, cause in various degree it Intoxicating phenomenon.Often respiratory tract, nervous system, lung, kidney, blood and hemopoietic system can be produced great murder by poisoning.
Along with health of people and the continuous enhancing of environmental consciousness, the trend of the Water-borne modification of priming paint is irresistible.
But, although use aqueous priming paint can effectively reduce the impact on environment, but, as used by application, although its Being coated in internal layer, but the hardness of paint film of priming paint is an important indicator, hardness of film (paint film hardness) is to represent One of important performance of paint film mechanical strength.Its physical significance can be regarded as coating surface to acting on thereon, another hardness The resistance that bigger object is showed.Certain mass load time institute table can be born on less contact surface by measuring film Reveal the ability of resistance to deformation come and determined (include due to collision, collapse or wipe the deformability drawn etc. and cause).
Along with liter to metallic substrate surface hardness requirements such as industrial machinery, five metals household electrical appliances, farm machineries on market Height, the hardness of paint film of existing priming paint the most gradually cannot meet use requirement.
Currently, with respect to priming paint, domestic it is primarily present following patent documentation:
Patent publication No.: CN105623340A, discloses the paint base composition of a kind of environment-friendly type.Skill of the present invention Art solution is the paint base composition of a kind of environment-friendly type, including latex and water, is also added into acrylate polymer 10-15 Part, silicon-based active glue 1-5 part, tertiary ethylene carbonate 5-10 part, hexamethylene diisocyanate 1-5 part.Compared with prior art, the present invention The had the beneficial effect that present invention by add acrylate polymer part, silicon-based active glue, tertiary ethylene carbonate, oneself Diisocyanate so that this invention has the advantage that environment friendly and pollution-free harmful substance is few.But, the priming paint that this patent is provided, Hardness of paint film is improved, and is difficult to play a protective role after using.
Additionally, the application mode of existing priming paint uses spraying mostly, spraying is by spray gun or dish-style nebulizer, by means of Pressure or centrifugal force, be dispersed into uniform and fine droplet, is applied over the coating process on coated article surface.Mainly asking in spraying Topic is the coating cloud of high degree of dispersion and the solvent (i.e. volatile organic contaminant, VOCs) evaporated, and had both polluted environment, and had been unfavorable for Health, wastes again priming paint, causes economic loss.Volatilization, the priming paint being diffused in air, then form volatility organic contamination Thing, is detrimental to health.At painting workshop, priming paint as the main source of volatile organic contaminant, air in painting workshop Be easy to during middle VOC excessive concentration to cause acute poisoning, the lighter there will be headache, dizziness, cough, feel sick, Vomit or in dead drunk liquor-saturated shape;Severe one there will be liver poisoning and the most quickly goes into a coma, and have there may also be life danger.Stay in for a long time and wave Send out in the painting workshop of property orgnic compound pollution, can cause chronic poisoning, infringement liver and nervous system, cause whole body without Power, drowsiness, skin pruritus etc..Being also possible to of having causes endocrine disturbance, affects sexual function.
Summary of the invention
For solving the problem of above-mentioned existence, it is an object of the invention to provide a kind of environment friendly corrosion protection priming paint and preparation side thereof Method, described priming paint coordinates poly ethyldiol modified amino resins as main component using special modifying epoxy resin by organosilicon, changes Epoxy resin and amino resins after property coordinate, and can effectively promote priming paint hardness of paint film, improve adhesive force, and strengthen anticorrosion energy Power, constituent is reasonable in design, is diluted with deionized water for solvent, replaces organic solvent, environmentally friendly, improves wear-resisting Performance, and adhesive force is strong, ductility is good, high temperature resistant, service life is long, uses roller coat to replace spraying, be effectively improved life during coating Produce environment, beneficially workman healthy.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of environment friendly corrosion protection priming paint, described priming paint includes the composition of following weight portion: modifying epoxy resin by organosilicon: 40~ 60 parts, poly ethyldiol modified amino resins: 20~30 parts, propandiol butyl ether: 10~15 parts, diethylenetriamine: 5~10 parts, gently Matter calcium carbonate: 1~5 part, rust resisting pigment: 10~20 parts, silane coupler: 1~5 part, coalescents: 1~5 part, thickening agent: 1 ~5 parts, defoamer: 1~5 part, levelling agent: 1~5 part, emulsifying agent: 1~5 part, stabilizer: 1~5 part, deionized water: 30~ 40 parts, ethanol: 10~15 parts.
Further, described priming paint includes the composition of following weight portion: modifying epoxy resin by organosilicon: 40~50 parts, poly-second Glycol modification amino resins: 20~25 parts, propandiol butyl ether: 10~13 parts, diethylenetriamine: 7~10 parts, precipitated calcium carbonate: 2 ~5 parts, rust resisting pigment: 10~15 parts, silane coupler: 3~5 parts, coalescents: 1~3 part, thickening agent: 3~5 parts, froth breaking Agent: 1~4 part, levelling agent: 2~5 parts, emulsifying agent: 3~5 parts, stabilizer: 2~5 parts, deionized water: 35~40 parts, ethanol: 10 ~13 parts.
Preferably, described priming paint includes the composition of following weight portion: modifying epoxy resin by organosilicon: 50 parts, Polyethylene Glycol Modified aminoresin: 25 parts, propandiol butyl ether: 12 parts, diethylenetriamine: 8 parts, precipitated calcium carbonate: 3 parts, rust resisting pigment: 12 Part, silane coupler: 4 parts, coalescents: 2 parts, thickening agent: 4 parts, defoamer: 3 parts, levelling agent: 2 parts, emulsifying agent: 4 parts, surely Determine agent: 5 parts, deionized water: 35 parts, ethanol: 12 parts.
Separately, described poly ethyldiol modified amino resins preparation method comprises the steps: to take 20~30 weight portion urea aldehyde trees Fat, regulation pH value to 9~10, is heated to 65~70 DEG C, adds 3~6 weight portion tripolycyanamide, and keeping pH value is 9~10, heats up To 80~90 DEG C, react 1~2 hour, add 1~3 weight portion Polyethylene Glycol, at 80~90 DEG C, react 3~5 hours, 75 ~distill 1~3 hour at 80 DEG C, it is dried, cools down, obtain described poly ethyldiol modified amino resins.
Separately having, the preparation method of described modifying epoxy resin by organosilicon comprises the steps: the ammonia of 20~30 weight portions The bisphenol A epoxide resin of base silicone oil and 15~25 weight portions is dissolved in 30~40 pbw acetone, with 200~300r/min Rotating speed stirring 20~30min, is warming up to 110~130 DEG C, reacts 2~3h;After reaction terminates, acetone is removed in decompression distillation;Then By modified resin and the diaminourea-hexichol-methane blended to 5~10 weight portions, the rotating speed with 100~200r/min stir 10~ 20min, is dried, is cooled to room temperature, obtains described modifying epoxy resin by organosilicon.
Again, described thickening agent is by casein, calcium palmitate, the mixing of Lauryl Alcohol ester, is heated to 70~80 DEG C, adds poly- Ethylene glycol, stirring is to room temperature gained mixed liquor, or is methylhydroxypropylcellulose.
Further, described emulsifying agent is ethyoxyl 2, 2-Oxydiphenol ammonium sulfate, NPE or allyl ether hydroxypropyl sulphur Acid sodium.
And, described levelling agent is fluorin modified crylic acid levelling agent or phosphate modified acrylic acid levelling agent.
Meanwhile, the present invention also provides for the preparation method of a kind of environment friendly corrosion protection priming paint, comprises the steps: described organosilicon Modified epoxy, poly ethyldiol modified amino resins and 20~25 parts of deionized waters add in blender, with 900~1000r/ The rotating speed stirring 15~20min of min, is kept stirring for rotating speed, adds propandiol butyl ether, diethylenetriamine, precipitated calcium carbonate, antirust Pigment, silane coupler, coalescents, thickening agent, defoamer, levelling agent, emulsifying agent, stabilizer and residue deionized water, will Rotating speed is promoted to 1200~1500r/min, stirs 15~20min, obtains described environment friendly corrosion protection priming paint.
The beneficial effects of the present invention is:
Described priming paint coordinates poly ethyldiol modified amino resins as main one-tenth using special modifying epoxy resin by organosilicon Point, modified epoxy resin and amino resins coordinate, and can effectively promote priming paint hardness of paint film, improve adhesive force, and strengthen anti- Rotten ability, constituent is reasonable in design, is diluted with deionized water for solvent, replaces organic solvent, environmentally friendly, improves Anti-wear performance, and adhesive force is strong, ductility is good, high temperature resistant, service life is long, uses roller coat to replace spraying, effectively change during coating Kind production environment, beneficially workman are healthy.The roller coating technology replacement spraying coating process that roller coat molding is quick-drying, plastic paint during application Availability can reach more than 90%, decrease the volatilization in air and waste, effectively reduce because spraying causes plastic paint to volatilize The VOCs formed, VOCs discharge capacity≤420ppm in roller coat workshop, environment protecting is good.Gained priming paint paint film fineness≤40 μm, Gu Weight mark is up to 60~65wt%, covering power 40~50g/m2, pencil hardness is up to 4~5H, at 5%H2SO4Middle immersion 72h, unchanged;72h is soaked in 5%NaOH, unchanged;Artificial weathering aging and man-made radiation expose 800h, without foaming, powder Change, phenomenon of getting rusty.
Detailed description of the invention
Below by specific embodiment, the present invention is described further, but embodiment is not limiting as the protection of the present invention Scope.
A kind of environment friendly corrosion protection priming paint provided by the present invention, described priming paint includes the composition of following weight portion: organosilicon changes Property epoxy resin: 40~60 parts, poly ethyldiol modified amino resins: 20~30 parts, propandiol butyl ether: 10~15 parts, divinyl Triamine: 5~10 parts, precipitated calcium carbonate: 1~5 part, rust resisting pigment: 10~20 parts, silane coupler: 1~5 part, coalescents: 1 ~5 parts, thickening agent: 1~5 part, defoamer: 1~5 part, levelling agent: 1~5 part, emulsifying agent: 1~5 part, stabilizer: 1~5 part, Deionized water: 30~40 parts, ethanol: 10~15 parts.
Further, described priming paint includes the composition of following weight portion: modifying epoxy resin by organosilicon: 40~50 parts, poly-second Glycol modification amino resins: 20~25 parts, propandiol butyl ether: 10~13 parts, diethylenetriamine: 7~10 parts, precipitated calcium carbonate: 2 ~5 parts, rust resisting pigment: 10~15 parts, silane coupler: 3~5 parts, coalescents: 1~3 part, thickening agent: 3~5 parts, froth breaking Agent: 1~4 part, levelling agent: 2~5 parts, emulsifying agent: 3~5 parts, stabilizer: 2~5 parts, deionized water: 35~40 parts, ethanol: 10 ~13 parts.
Preferably, described priming paint includes the composition of following weight portion: modifying epoxy resin by organosilicon: 50 parts, Polyethylene Glycol Modified aminoresin: 25 parts, propandiol butyl ether: 12 parts, diethylenetriamine: 8 parts, precipitated calcium carbonate: 3 parts, rust resisting pigment: 12 Part, silane coupler: 4 parts, coalescents: 2 parts, thickening agent: 4 parts, defoamer: 3 parts, levelling agent: 2 parts, emulsifying agent: 4 parts, surely Determine agent: 5 parts, deionized water: 35 parts, ethanol: 12 parts.
Separately, described poly ethyldiol modified amino resins preparation method comprises the steps: to take 20~30 weight portion urea aldehyde trees Fat, regulation pH value to 9~10, is heated to 65~70 DEG C, adds 3~6 weight portion tripolycyanamide, and keeping pH value is 9~10, heats up To 80~90 DEG C, react 1~2 hour, add 1~3 weight portion Polyethylene Glycol, at 80~90 DEG C, react 3~5 hours, 75 ~distill 1~3 hour at 80 DEG C, it is dried, cools down, obtain described poly ethyldiol modified amino resins.
Separately having, the preparation method of described modifying epoxy resin by organosilicon comprises the steps: the ammonia of 20~30 weight portions The bisphenol A epoxide resin of base silicone oil and 15~25 weight portions is dissolved in 30~40 pbw acetone, with 200~300r/min Rotating speed stirring 20~30min, is warming up to 110~130 DEG C, reacts 2~3h;After reaction terminates, acetone is removed in decompression distillation;Then By modified resin and the diaminourea-hexichol-methane blended to 5~10 weight portions, the rotating speed with 100~200r/min stir 10~ 20min, is dried, is cooled to room temperature, obtains described modifying epoxy resin by organosilicon.
Again, described thickening agent is by casein, calcium palmitate, the mixing of Lauryl Alcohol ester, is heated to 70~80 DEG C, adds poly- Ethylene glycol, stirring is to room temperature gained mixed liquor, or is methylhydroxypropylcellulose.
Further, described emulsifying agent is ethyoxyl 2, 2-Oxydiphenol ammonium sulfate, NPE or allyl ether hydroxypropyl sulphur Acid sodium.
And, described levelling agent is fluorin modified crylic acid levelling agent or phosphate modified acrylic acid levelling agent.
Meanwhile, the present invention also provides for the preparation method of a kind of environment friendly corrosion protection priming paint, comprises the steps: described organosilicon Modified epoxy, poly ethyldiol modified amino resins and 20~25 parts of deionized waters add in blender, with 900~1000r/ The rotating speed stirring 15~20min of min, is kept stirring for rotating speed, adds propandiol butyl ether, diethylenetriamine, precipitated calcium carbonate, antirust Pigment, silane coupler, coalescents, thickening agent, defoamer, levelling agent, emulsifying agent, stabilizer and residue deionized water, will Rotating speed is promoted to 1200~1500r/min, stirs 15~20min, obtains described environment friendly corrosion protection priming paint.
Wherein, table 1 is environment friendly corrosion protection primer composition list a kind of described in various embodiments of the present invention.Table 2 is each reality of the present invention Execute the ingredient lists of poly ethyldiol modified amino resins in a kind of environment friendly corrosion protection priming paint described in example.Table 3 is various embodiments of the present invention The ingredient lists of modifying epoxy resin by organosilicon in described a kind of environment friendly corrosion protection priming paint.
Table 1 (unit: weight portion)
Table 2 (unit: weight is divided)
Table 3 (unit: weight is divided)
Environment friendly corrosion protection priming paint a kind of described in the embodiment of the present invention is coated by roll coating model, at 200 DEG C after solidification, cold But to room temperature, 48 hours, wherein, the mensuration that impact resistance method of testing specifies are placed with reference to standard GB/T/T1732-93 The method of paint film impact resistance, falls within the maximum height not causing paint film to destroy on test plate (panel) with the weight of fixed mass (1kg) Degree (cm) represents paint film impact resistance, up to 115~120cm.
Using a kind of environment friendly corrosion protection priming paint provided by the present invention, the curved performance of T is up to 1T.Do not ftracture under 230 DEG C of high temperature, Invariant color, ageing resistance is strong, is placed on outdoor consecutive sunlight 10~not yellowing, invariant color in 15 years.Acidproof corrosion resistance is strong, The product that roller coat is good is put into 85 DEG C of water and boils that 2H is raw is progressively heated at 100 DEG C again, product without variable color, fall paint, bubble.At room temperature Lower with after Nad solution soaking 24H of 5%, product surface non-corroding, variable color and coating come off.Pure cotton cloth is dipped in full 95% ethanol Wrap on 500g counterweight, wipe 50 circulations, nothing with the stroke of the speed of 40-60 time per minute (20mm) left and right at product surface Fade removing oil.
Gained priming paint paint film fineness≤40 μm, mass fraction of solids is up to 60~65wt%, covering power 40~50g/m2, lead Hardness is up to 4~5H, at 5%H2SO4Middle immersion 72h, unchanged;72h is soaked in 5%NaOH, unchanged;Artificial climate Aging and man-made radiation exposes 800h, without foaming, efflorescence, phenomenon of getting rusty.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted.Although with reference to relatively The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the technology of invention Scheme is modified or equivalent, and without deviating from the scope of technical solution of the present invention, it all should contain the power in the present invention In profit claimed range.

Claims (9)

1. an environment friendly corrosion protection priming paint, it is characterised in that described priming paint includes the composition of following weight portion:
Modifying epoxy resin by organosilicon: 40 ~ 60 parts, poly ethyldiol modified amino resins: 20 ~ 30 parts, propandiol butyl ether: 10 ~ 15 Part, diethylenetriamine: 5 ~ 10 parts, precipitated calcium carbonate: 1 ~ 5 part, rust resisting pigment: 10 ~ 20 parts, silane coupler: 1 ~ 5 part, film forming Auxiliary agent: 1 ~ 5 part, thickening agent: 1 ~ 5 part, defoamer: 1 ~ 5 part, levelling agent: 1 ~ 5 part, emulsifying agent: 1 ~ 5 part, stabilizer: 1 ~ 5 part, Deionized water: 30 ~ 40 parts, ethanol: 10 ~ 15 parts.
Environment friendly corrosion protection priming paint the most according to claim 1, it is characterised in that described priming paint includes the one-tenth of following weight portion Point: modifying epoxy resin by organosilicon: 40 ~ 50 parts, poly ethyldiol modified amino resins: 20 ~ 25 parts, propandiol butyl ether: 10 ~ 13 Part, diethylenetriamine: 7 ~ 10 parts, precipitated calcium carbonate: 2 ~ 5 parts, rust resisting pigment: 10 ~ 15 parts, silane coupler: 3 ~ 5 parts, film forming Auxiliary agent: 1 ~ 3 part, thickening agent: 3 ~ 5 parts, defoamer: 1 ~ 4 part, levelling agent: 2 ~ 5 parts, emulsifying agent: 3 ~ 5 parts, stabilizer: 2 ~ 5 parts, Deionized water: 35 ~ 40 parts, ethanol: 10 ~ 13 parts.
Environment friendly corrosion protection priming paint the most according to claim 1, it is characterised in that described priming paint includes the one-tenth of following weight portion Point: modifying epoxy resin by organosilicon: 50 parts, poly ethyldiol modified amino resins: 25 parts, propandiol butyl ether: 12 parts, divinyl three Amine: 8 parts, precipitated calcium carbonate: 3 parts, rust resisting pigment: 12 parts, silane coupler: 4 parts, coalescents: 2 parts, thickening agent: 4 parts, disappear Infusion: 3 parts, levelling agent: 2 parts, emulsifying agent: 4 parts, stabilizer: 5 parts, deionized water: 35 parts, ethanol: 12 parts.
Environment friendly corrosion protection priming paint the most according to claim 1, it is characterised in that prepared by described poly ethyldiol modified amino resins Method comprises the steps: to take 20 ~ 30 weight portion Lauxites, and regulation pH value to 9 ~ 10, is heated to 65 ~ 70 DEG C, adds 3 ~ 6 weights Amount part tripolycyanamide, keeping pH value is 9 ~ 10, is warming up to 80 ~ 90 DEG C, reacts 1 ~ 2 hour, adds 1 ~ 3 weight portion Polyethylene Glycol, At 80 ~ 90 DEG C, react 3 ~ 5 hours, distill 1 ~ 3 hour at 75 ~ 80 DEG C, be dried, cool down, obtain described poly ethyldiol modified ammonia Base resin.
Environment friendly corrosion protection priming paint the most according to claim 1, it is characterised in that the preparation of described modifying epoxy resin by organosilicon Method comprises the steps: to be dissolved in the amido silicon oil of 20 ~ 30 weight portions and the bisphenol A epoxide resin of 15 ~ 25 weight portions 30 ~ In 40 pbw acetone, stir 20 ~ 30min with the rotating speed of 200 ~ 300r/min, be warming up to 110 ~ 130 DEG C, react 2 ~ 3h;Reaction After end, acetone is removed in decompression distillation;Then by modified resin and the diaminourea-hexichol-methane blended to 5 ~ 10 weight portions, with The rotating speed stirring 10 ~ 20min of 100 ~ 200r/min, is dried, is cooled to room temperature, obtains described modifying epoxy resin by organosilicon.
Environment friendly corrosion protection priming paint the most according to claim 1, it is characterised in that described thickening agent is by casein, Palmic acid Calcium, Lauryl Alcohol ester mix, and are heated to 70 ~ 80 DEG C, add Polyethylene Glycol, and stirring is to room temperature gained mixed liquor, or is methyl hydroxyl Propyl cellulose.
Environment friendly corrosion protection priming paint the most according to claim 1, it is characterised in that described emulsifying agent is ethyoxyl 2, 2-Oxydiphenol sulphuric acid Ammonium, NPE or allyl ether hydroxypropyl azochlorosulfonate acid sodium.
Environment friendly corrosion protection priming paint the most according to claim 1, it is characterised in that described levelling agent is fluorin modified crylic acid levelling Agent or phosphate modified acrylic acid levelling agent.
9. the preparation method according to the environment friendly corrosion protection priming paint according to any one of claim 1 ~ 8, it is characterised in that include Following steps: described modifying epoxy resin by organosilicon, poly ethyldiol modified amino resins and 20 ~ 25 parts of deionized waters are added and stirs Mix in machine, stir 15 ~ 20min with the rotating speed of 900 ~ 1000r/min, be kept stirring for rotating speed, add propandiol butyl ether, divinyl three Amine, precipitated calcium carbonate, rust resisting pigment, silane coupler, coalescents, thickening agent, defoamer, levelling agent, emulsifying agent, stabilizer And residue deionized water, rotating speed is promoted to 1200 ~ 1500r/min, stirs 15 ~ 20min, obtain described environment friendly corrosion protection priming paint.
CN201610504563.3A 2016-06-30 2016-06-30 Environment-friendly corrosion resistant primer and preparation method thereof Pending CN106010239A (en)

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