CN109554073A - A kind of water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting - Google Patents

A kind of water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting Download PDF

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Publication number
CN109554073A
CN109554073A CN201811430471.0A CN201811430471A CN109554073A CN 109554073 A CN109554073 A CN 109554073A CN 201811430471 A CN201811430471 A CN 201811430471A CN 109554073 A CN109554073 A CN 109554073A
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CN
China
Prior art keywords
water
agent
based epoxy
zinc
corrosion resisting
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.)
Withdrawn
Application number
CN201811430471.0A
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Chinese (zh)
Inventor
罗旭铮
王洁
胡中源
郑齐
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Hebei Chenyang Industry and Trade Group Co Ltd
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Hebei Chenyang Industry and Trade Group Co Ltd
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Publication date
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Priority to CN201811430471.0A priority Critical patent/CN109554073A/en
Publication of CN109554073A publication Critical patent/CN109554073A/en
Withdrawn legal-status Critical Current

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    • 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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D5/10Anti-corrosive paints containing metal dust
    • C09D5/106Anti-corrosive paints containing metal dust containing Zn
    • 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
    • C09D7/20Diluents or solvents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0893Zinc
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • C08K2003/328Phosphates of heavy metals

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of water-based epoxy zinc-rich primers of oil resistant efficient corrosion resisting, for replacing power transformation box heat radiation oil box solvent based coating coating, the component including following parts by weight: water-base resin 130-190, environmentally friendly cosolvent 20-60, ferrophosphorus powder 5-10, zinc powder 700-750, dispersing agent 5-10, defoaming agent 1-2, anti-flash rusting auxiliary agent 2-3, curing agent 60-80.The object of the present invention is to provide a kind of water-based epoxy zinc-rich primers of oil resistant efficient corrosion resisting, for replacing power transformation box heat radiation oil box solvent based coating coating, reduce cost, greatly reduce solvent usage amount, is free of heavy metal, is more favorable for health of human body, and in salt fog, adhere to, hardness, reaches solvent based coating performance in the indexs such as water-fast, solvent resistant.

Description

A kind of water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting
Technical field
The invention belongs to commercial waterborne technical field of coatings more particularly to a kind of water-thinned epoxy zinc-rich of oil resistant efficient corrosion resisting Priming paint.
Background technique
Along with the sustained and rapid development of China's economic for many years, China has become second-biggest-in-the-world economy, but also band Its huge energy demand is carried out, huge power Transmission facility needs long-term anti-corrosion to protect, and producing huge market needs It asks.Transformer belongs to the important equipment of long-distance transmission, and inner wall of oil tank needs the paint coating using oil resistant efficient corrosion resisting.
Only the coating of fuel tank is formed huge market, and production capacity gradually rose in recent years, only in recent market depression In the case of gone up, but with strategy in China constantly striding forward, this market potential is still huge.
The coating of power transformation box heat radiation oil box is for many years based on solvent based coating, with the change of national strategy and national right The requirement of environment, Water-borne modification environmental protection just have urgent demand.
Summary of the invention
For the height of VOC content existing for solvent type power transformation box heat radiation oil box priming paint, human body is injured greatly, coating used Machine cleaning is difficult afterwards, and as oil price increases, organic solvent price spikes cause enterprise's cleaning cost further to increase Disadvantage.The present invention provides a kind of water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting, for construction main body for power transformation box dissipate Hot oil case requires the requirement of oil resistant salt spray resistance heatproof for its inner-wall paint and designs.Such product meets country to product ring There is the requirement of good property in border, meets enterprise's production needs, the solvent volatilization of about reduction 80-100%.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting is applied for replacing power transformation box heat radiation oil box solvent based coating Material, the component including following parts by weight: water-base resin 130-190, environmentally friendly cosolvent 20-60, ferrophosphorus powder 5-10, zinc powder 700- 750, dispersing agent 5-10, defoaming agent 1-2, anti-flash rusting auxiliary agent 2-3, curing agent 60-80.
Further, the water-base resin is aqueous epoxy resins.
Further, the aqueous epoxy resins are low molecule high functionality reactive epoxies, molecular weight 2000- 5000.It is aqueous low molecular weight high functionality reactive epoxies, can at normal temperature Quick cross-linking polymerize to be formed it is fine and close netted Structure, interacting between molecule permeate solvent can not effectively, to used for a long time in the high oil environment of high temperature without sending out Raw dissolution falls off.High molecular reactive, wherein Typical Representative have 128 self-emulsifying epoxy resins, 901 hydrophilic improvement PMA epoxy resin, Active hydrophilic monomer, energy fast reaction is since the position of water is every effect after contacting with amine curing agent, and host agent solidifies in the presence of water It is reacted between agent not rapidly, it is ensured that excellent construction pot-life, after spraying finishes moisture evaporation, activated monomer is held Carry on a shoulder pole reaction dissolvent, host agent curing agent activated monomer meeting fast reaction, thus the perfect combination on pot-life and construction efficiency.
Further, the environmentally friendly cosolvent is propylene glycol monomethyl ether, propandiol butyl ether, dipropylene glycol methyl ether, dipropylene glycol One or more of butyl ether.
Further, the ferrophosphorus powder is high conductivity ferrophosphorus powder.Ferrophosphorus powder belongs to ferric solid-acid object, itself just has ratio A certain amount of copper powder is added preferable electric conductivity, and the conductivity of Conductive mica can be increased to the level of semiconductor.Herein Under conductivity, the electrostatic that fuel tank internal generates will be exported quickly, to prevent dangerous generation.
Further, the zinc powder is anti-corrosion zinc powder.
Further, the dispersing agent is one of polyurethane dispersant, acrylic acid dispersant, alkynol dispersing agent or several Kind.
Further, the defoaming agent is the one or two of mineral oil antifoam agent, silicon class defoaming agent.
Further, the anti-flash rusting auxiliary agent is the anti-flash rusting auxiliary agent of cationic salt.
Further, the curing agent is the one or two of fatty amines curing agent, polyamide-based curing agent.
The present invention also provides a kind of preparation methods of the water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting, including walk as follows It is rapid:
First water-base resin is added in stock pot according to the raw material proportioning by step a, stirs in the speed of 500r/min Under, 50% environmentally friendly cosolvent is added, is stirred 10 minutes with the speed of 500r/min.
Step b first dispersing agent, defoaming agent is added in stock pot, according to the raw material proportioning with the speed of 500r/min Then zinc powder, ferrophosphorus powder is added in stirring 10 minutes, stirred 15 minutes with the speed of 1000r/min.
Anti- flash rusting auxiliary agent is added in stock pot, is stirred with the speed of 1000r/min according to the raw material proportioning by step c Mix carry out after ten minutes it is filling.
Curing agent, 50% environmentally friendly cosolvent are added in stock pot, according to the raw material proportioning with 500r/ by step d The speed of min carries out filling after stirring 15 minutes.
The application that above-mentioned water-based epoxy zinc-rich primer is applied to power transformation box heat radiation oil box is also disclosed in the present invention.
A kind of power transformation box heat radiation oil box is also disclosed in the present invention, is coated with above-mentioned water-based epoxy zinc-rich primer.
Compared with prior art, advantageous effects of the invention:
Using water as opening dilute solvent, it is possible to reduce solvent usage amount reaches 80-100%, and cosolvent is nontoxic to human body It is harmless;Using water as cleaning agent, cleaning cost can be reduced for enterprise, substitutes organic solvent, and then more reduce organic solvent Usage amount;Such product is also free of heavy metal, is more favorable for health of human body, and in salt fog, attachment, hardness, water-fast, solvent resistant Etc. reach solvent based coating performance in indexs.
Specific embodiment
Embodiment one
A kind of water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting is applied for replacing power transformation box heat radiation oil box solvent based coating Material, the component including following parts by weight: aqueous epoxy resins 132, environmentally friendly cosolvent 10, ferrophosphorus powder 50, zinc powder 740, dispersing agent 5, defoaming agent 1, anti-flash rusting auxiliary agent 2, curing agent 60.
Wherein: the aqueous epoxy resins be low molecule high functionality reactive epoxies, molecular weight 2000-5000, It is aqueous low molecular weight high functionality reactive epoxies, Quick cross-linking can polymerize to form fine and close reticular structure at normal temperature, Interacting between molecule permeate solvent can not effectively, to used for a long time in the high oil environment of high temperature without dissolving It falls off, there is high molecular reactive, wherein Typical Representative has 128 self-emulsifying epoxy resins, 901 hydrophilic improvement PMA epoxy resin, work Property hydrophilic monomer, after being contacted with amine curing agent can fast reaction since the position of water is every effect, host agent curing agent in the presence of water Between react not rapidly, it is ensured that excellent construction pot-life, after spraying finishes moisture evaporation, activated monomer is undertaken Reaction dissolvent, host agent curing agent activated monomer meeting fast reaction, thus the perfect combination on pot-life and construction efficiency;The ring Guarantor's cosolvent is one or more of propylene glycol monomethyl ether, propandiol butyl ether, dipropylene glycol methyl ether, dipropylene;It is described Ferrophosphorus powder is high conductivity ferrophosphorus powder;The zinc powder is anti-corrosion zinc powder;The dispersing agent is polyurethane dispersant, acrylic acid point One or more of powder, alkynol dispersing agent;Defoaming agent is the one or two of mineral oil antifoam agent, silicon class defoaming agent;Institute Anti- flash rusting auxiliary agent is stated as the anti-flash rusting auxiliary agent of cationic salt;The curing agent is fatty amines curing agent, polyamide-based curing agent One or two.
Preparation method, as follows:
First 132 parts by weight aqueous epoxy resins resins are added in stock pot by step a, stir in the speed of 500r/min Under, the environmentally friendly cosolvent of 5 parts by weight is added, is stirred 10 minutes with the speed of 500r/min.
The dispersing agent of 5 parts by weight, 1 parts by weight defoaming agent are added in stock pot, are stirred with the speed of 500r/min by step b It mixes 10 minutes, the zinc powder of 740 parts by weight, the ferrophosphorus powder of 50 parts by weight is then added, stir 15 points with the speed of 1000r/min Clock.
Step c stirs being added in stock pot for anti-2 parts by weight of flash rusting auxiliary agent 10 minutes with the speed of 1000r/min After carry out it is filling.
The environmentally friendly cosolvent of the curing agent of 60 parts by weight, 5 parts by weight is added to standby by step d according to the raw material proportioning Expect in pot, is carried out after being stirred 15 minutes with the speed of 500r/min filling.
By the water-based epoxy zinc-rich primer and 1000 grams of solvent type epoxy zinc rich primer pair of the above-mentioned 1000g of the present invention Than two kinds of properties of product comparisons see the table below:
Conventional construction test: 80 DEG C of construction temperature, relative humidity 50%, experimental result see the table below
Performance comparison
In summary it is found that the water-based epoxy zinc-rich primer multinomial performance performance of invention is better than solvent type epoxy zinc-rich bottom Paint, especially in surface drying performance, dispersibility and anti-settling property, and substantially reduces VOC content.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention Various changes and improvements, should all fall into claims of the present invention determine protection scope in.

Claims (10)

1. a kind of water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting, which is characterized in that the component including following parts by weight: aqueous Resin 130-190, environmentally friendly cosolvent 20-60, ferrophosphorus powder 5-10, zinc powder 700-750, dispersing agent 5-10, defoaming agent 1-2, anti-sudden strain of a muscle Become rusty auxiliary agent 2-3, curing agent 60-80.
2. the water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting according to claim 1, it is characterised in that: the aqueous tree Rouge is aqueous epoxy resins.
3. the water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting according to claim 2, it is characterised in that: the aqueous ring Oxygen resin is low molecule high functionality reactive epoxies, molecular weight 2000-5000.
4. the water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting according to claim 1, it is characterised in that: the environmental protection helps Solvent is one or more of propylene glycol monomethyl ether, propandiol butyl ether, dipropylene glycol methyl ether, dipropylene.
5. the water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting according to claim 1, it is characterised in that: the ferrophosphorus powder For high conductivity ferrophosphorus powder, the zinc powder is anti-corrosion zinc powder, and the anti-flash rusting auxiliary agent is the anti-flash rusting auxiliary agent of cationic salt.
6. the water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting according to claim 1, it is characterised in that: the dispersing agent For one or more of polyurethane dispersant, acrylic acid dispersant, alkynol dispersing agent.
7. the water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting according to claim 1, it is characterised in that: the defoaming agent For the one or two of mineral oil antifoam agent, silicon class defoaming agent;The curing agent is fatty amines curing agent, polyamide-based solidification The one or two of agent.
8. a kind of preparation method of the water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting, which comprises the steps of:
First water-base resin is added in stock pot according to the raw material proportioning by step a, under the speed stirring of 500r/min, adds Enter 50% environmentally friendly cosolvent, is stirred 10 minutes with the speed of 500r/min;
Dispersing agent, defoaming agent are first added in stock pot, are stirred with the speed of 500r/min according to the raw material proportioning by step b 10 minutes, zinc powder, ferrophosphorus powder is then added, is stirred 15 minutes with the speed of 1000r/min;
Anti- flash rusting auxiliary agent is added in stock pot by step c according to the raw material proportioning, stirs 10 with the speed of 1000r/min It is carried out after minute filling;
Curing agent, 50% environmentally friendly cosolvent are added in stock pot, according to the raw material proportioning with 500r/min's by step d Speed carries out filling after stirring 15 minutes.
9. the described in any item water-based epoxy zinc-rich primers of claim 1-10 to be applied to the application of power transformation box heat radiation oil box.
10. a kind of power transformation box heat radiation oil box, which is characterized in that it is rich that it is coated with the described in any item water-base epoxies of claim 1-10 Yellow zinc chromate primer paint.
CN201811430471.0A 2018-11-28 2018-11-28 A kind of water-based epoxy zinc-rich primer of oil resistant efficient corrosion resisting Withdrawn CN109554073A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112391099A (en) * 2020-11-17 2021-02-23 深圳市万众工业技术有限公司 Corrosion-resistant anticorrosive paint for fasteners

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260120A (en) * 1991-12-06 1993-11-09 Morton International, Inc. Two coat weldable primer for steel
CN103319981A (en) * 2013-05-22 2013-09-25 厦门双瑞船舶涂料有限公司 High-performance easy-construction two-component aqueous epoxy zinc-rich coating and preparation method thereof
CN106566377A (en) * 2016-10-19 2017-04-19 安徽菱湖漆股份有限公司 High-performance waterborne epoxy zinc-rich paint and preparation method thereof
CN107556878A (en) * 2017-10-09 2018-01-09 江苏海晟涂料有限公司 A kind of water-base epoxy shop primer and preparation method thereof
CN108690456A (en) * 2018-03-15 2018-10-23 河北晨阳工贸集团有限公司 A kind of water-based epoxy zinc-rich primer and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260120A (en) * 1991-12-06 1993-11-09 Morton International, Inc. Two coat weldable primer for steel
CN103319981A (en) * 2013-05-22 2013-09-25 厦门双瑞船舶涂料有限公司 High-performance easy-construction two-component aqueous epoxy zinc-rich coating and preparation method thereof
CN106566377A (en) * 2016-10-19 2017-04-19 安徽菱湖漆股份有限公司 High-performance waterborne epoxy zinc-rich paint and preparation method thereof
CN107556878A (en) * 2017-10-09 2018-01-09 江苏海晟涂料有限公司 A kind of water-base epoxy shop primer and preparation method thereof
CN108690456A (en) * 2018-03-15 2018-10-23 河北晨阳工贸集团有限公司 A kind of water-based epoxy zinc-rich primer and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112391099A (en) * 2020-11-17 2021-02-23 深圳市万众工业技术有限公司 Corrosion-resistant anticorrosive paint for fasteners

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Application publication date: 20190402