CN110079191A - A kind of one-component flexible epoxy lotion and preparation method thereof - Google Patents
A kind of one-component flexible epoxy lotion and preparation method thereof Download PDFInfo
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- CN110079191A CN110079191A CN201910352180.2A CN201910352180A CN110079191A CN 110079191 A CN110079191 A CN 110079191A CN 201910352180 A CN201910352180 A CN 201910352180A CN 110079191 A CN110079191 A CN 110079191A
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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
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention proposes a kind of one-component flexible epoxy lotions and preparation method thereof, the one-component flexible epoxy lotion passes through outer emulsion process, deionized water dispersion and emulsion is added in epoxy resin, modified epoxy, latent curing agent, promotor etc. first, the aqueous promoters such as aqueous defoamer, aqueous levelling agent, aqueous flash rust inhibitor is then added and one-component flexible epoxy lotion is made.Epoxy emulsion of the present invention is free of any organic solvent, and particle diameter distribution is uniform, and stability is good.While improving epoxy resin hardness, the intact adhesive property for inheriting epoxy resin is a kind of Diamond Search green product, can also be used as impregnated insulating paint use using hardware surface anticorrosion coating is used as.
Description
Technical field
The present invention relates to a kind of one-component flexible epoxy lotions and preparation method thereof, belong to chemistry painting industry field.
Background technique
In organic coating field, epoxy resin is received because of its good adhesive property, superpower solidification film hardness and solidification
The small characteristic of shrinkage, is widely used in all trades and professions such as building, woodenware, hardware, electronic apparatus, rises to the development of national economy
Very important effect.For traditional epoxy coating using organic solvent as diluent, this is using product
A large amount of toxic and harmful gas are generated in the process, cause irreversible pollution to destroy to the earth of mankind's community life, and right
The physical and mental health of coating operating personnel causes directly to damage.In the higher and higher today's society of environmentally friendly cry, traditional asphalt mixtures modified by epoxy resin
Grease coating material is no longer satisfied the requirement of environmental protection, is badly in need of proposing the solution of sustainable development.
Aqueous epoxy emulsion comes into being herein, it is with water as solvent, so that coating is no longer dependent on organic solvent, this is not
Conventional epoxy coating bring VOC problem due to organic solvent is addressed only, while also fully maintaining each of original coating
Item performance, has splendid economic value and application value.
Currently, all there are some technical bottlenecks in most aqueous epoxy emulsion, it may be assumed that (1) poor storage stability；
(2) adhesion strength is excessive, and careless mistake, which once occurs, in when use can not do over again repairing；(3) higher solidification film hardness, flexibility difference paint
Film is easy to crack；(4) complete Diamond Search discharge cannot be accomplished by needing to add a small amount of organic solvent.It is such, limit water-base epoxy
The production application of lotion, it is difficult to meet large-scale industrial production.Solution route more typical at present has following several: (1) changing
Into production emulsifying process, emulsion particle diameter is reduced, improves storage stability.(2) modified latent curing agent, improves one-component product
Stability.(3) epoxy resin is modified, various soft segments is embedded on its strand, so that reaching reduces hardness
Purpose.
Summary of the invention
The purpose of the present invention is to provide a kind of one-component flexible epoxy lotions and preparation method thereof, can overcome existing
The defects of technology.
To achieve the above object, one-component flexible epoxy lotion provided by the invention, prepares raw material and matches in parts by weight
Than as follows: 50-100 parts of epoxy resin, 50-100 parts of modified epoxy, 5-15 parts of emulsifier, 5-15 parts of latent curing agent,
2-5 parts of promotor, 2-5 parts of dispersing agent, 2-5 parts of aqueous defoamer, 2-5 parts of aqueous levelling agent, aqueous flash rust inhibitor 1-3 parts,
250-500 parts of deionized water.
Preferably, preparation method specifically includes the following steps:
(1) by 50-100 parts of the epoxy resin of weight and modified epoxy 50-100 parts of addition reaction vessel
It is interior；
(2) resin is heated to 85-95 DEG C, and 0.5-1h is stirred with the revolving speed of 50-100rpm, until resin mixing is equal
It is even；
(3) it is then added emulsifier 5-15 parts, continues to stir 0.5-1h in the 85-95 DEG C of revolving speed with 100-200rpm；
(4) it is cooled to 60-70 DEG C, latent curing agent 5-15 parts, 2-5 parts of aqueous defoamer, aqueous levelling agent 2-5 is added
Part, continue to stir 0.5-1h with the revolving speed of 100-200rpm；
(5) improve stirring rate to 400-800rpm, be continuously added into 250-500 part of deionized water, maintain stirring rate with
Then emulsifying temperature is cooled to 40 DEG C hereinafter, promotor 2-5 parts, the inhibition of aqueous flash rusting is added to all deionized waters are added
1-3 parts of agent；
(6) continue to stir 0.5-1h, stop stirring to get the one-component flexible epoxy lotion is arrived.
Preferably, preparing raw material includes following components by weight ratio: 60-80 parts of epoxy resin, modified epoxy
Resin 60-80,8-12 parts of emulsifier, 8-12 parts of latent curing agent, 3-4 parts of promotor, 3-4 parts of dispersing agent, aqueous defoamer
3-4 parts, 3-4 parts of aqueous levelling agent, 1-3 parts of aqueous flash rust inhibitor agent, 300-400 parts of deionized water.
The epoxy resin is at least one of bisphenol A type epoxy resin E12, E20, E44, E51.
The modified epoxy is at least one of polyether modified epoxy resin, polyester modified epoxy resin.It is preferred that
, the modified epoxy is polyether modified epoxy resin, such as polytetrahydrofuran modified epoxy.
The emulsifier is carbochain C10~C15Sodium alkyl, molecular weight 2000-6000 polyethylene glycol, epoxy-modified cream
At least one of agent.Preferably, the emulsifier is epoxy-modified emulsifier.
The latent curing agent is modified aromatic race amine, in dicyandiamide class, modified imidazole class latent curing agent
It is at least one.Preferably, the latent curing agent is dicyandiamide class latent curing agent.
The promotor is at least one of fatty amines, polyether amine, organic ureas, anhydride promotor.It is preferred that
, the promotor is organic ureas promotor.
The dispersing agent is at least one of fatty acid, paraffin class, HPMA (hydrolysis of polymaleic anhydride) class dispersing agent.
Preferably, the dispersing agent is paraffin class dispersing agent.
The aqueous defoamer is at least one of organosiloxane class or mineral oils aqueous defoamer.It is preferred that
, the aqueous defoamer is organosiloxane class aqueous defoamer.
The aqueous levelling agent is organic silicon modified by polyether oxygen alkanes or the aqueous levelling of alkyl-modified organosiloxane class
At least one of agent.Preferably, the aqueous levelling agent is alkyl-modified organosiloxane class aqueous levelling agent.
The aqueous flash rust inhibitor is that water-borne acrylic type, water-based polyurethane, water-borne polyurethane-acrylate are compound
At least one of class, acetylenic diols flash rust inhibitor.Preferably, the aqueous flash rust inhibitor is the aqueous flash rusting of acetylenic diols
Inhibitor.
The excellent effect that technical solution of the present invention has:
(1) one-component flexible epoxy lotion of the invention is free of any organic solvent, is Diamond Search production truly
Product, it is environmentally protective.
(2) one-component flexible epoxy emulsion particle diameter of the invention is small, is evenly distributed, and storage stability is good, and has good
Anti- flash rusting performance.
(3) one-component flexible epoxy lotion cementability of the invention is smaller than unmodified epoxy resin, hardness is low, after solidification
Paint film flexibility is good, can also be used as impregnated insulating paint use using corrosion-inhibiting coating is used as, greatly improve epoxy emulsion
Applicability.
Specific embodiment
One-component flexible epoxy lotion of the application and preparation method thereof is done specifically combined with specific embodiments below
It is bright.
Embodiment 1
A kind of one-component flexible epoxy lotion, raw material match as follows in parts by weight:
The preparation method of the one-component flexible epoxy lotion, specifically includes the following steps: the epoxy of (1) by weight
Resin E20, E44 and polytetrahydrofuran modified epoxy are added in reaction vessel, and reaction vessel can be boiling flask.(2)
Resin is heated to 85-95 DEG C, and 0.5-1h is stirred with the revolving speed of 50-100rpm, until resin is uniformly mixed, example can be used
As intermig formula blender is stirred.(3) Macrogol 4000 is then added, continues at 85-95 DEG C with 100-200rpm
Revolving speed stir 0.5-1h.(4) it is cooled to 60-70 DEG C, latent curing agent, aqueous defoamer, aqueous levelling agent is added, is continued
0.5-1h is stirred with the revolving speed of 100-200rpm.(5) stirring rate is improved to 400-800rpm, with the speed of such as 2-5mL/min
Rate is continuously added into deionized water, maintains stirring rate and emulsifying temperature to all deionized waters are added, is then cooled to 40 DEG C
Hereinafter, promotor, aqueous flash rust inhibitor is added.Continue to stir 0.5-1h, stops stirring to get the one-component flexible ring is arrived
Oxygen lotion.
The present invention uses intermig emulsifying manner, is compared to common dispersing mode or common emulsifying manner,
Intermig emulsification can make emulsion particle diameter be reduced to 1 μm hereinafter, generally 300-800nm, stability of emulsion are significantly mentioned
It is high.In addition, introducing polytetrahydrofuran modified epoxy, there is good flexibility, this structural unit is introduced into epoxy resin,
It can keep substantially reducing many indexs such as adhesive strength and the physical hardness of epoxy resin except epoxy resin proper property,
It is the ideal structure of modified epoxy hardness and caking property.
Embodiment 2
A kind of one-component flexible epoxy lotion, prepare raw material match in parts by weight it is as follows:
The preparation method of the one-component flexible epoxy lotion, specifically includes the following steps: the epoxy of (1) by weight
Resin E20, E51 and polytetrahydrofuran modified epoxy are added in reaction vessel, and reaction vessel can be boiling flask, can be with
It is stirred using intermig formula blender.(2) resin is heated to 88-92 DEG C, and with the stirring of the revolving speed of 60-80rpm
0.6-0.8h, until resin is uniformly mixed.(3) Macrogol 4000, non-ionic surfactant emulsifier is then added, continues
The 88-92 DEG C of revolving speed with 150-180rpm stirs 0.6-0.8h.(4) it is cooled to 65-68 DEG C, latent curing agent, aqueous is added
Defoaming agent, aqueous levelling agent continue to stir 0.6-0.8h with the revolving speed of 150-180rpm.(5) stirring rate is improved to 500-
600rpm is continuously added into deionized water, maintains stirring rate and emulsifying temperature to all deionized waters are added, is then cooled to
40 DEG C hereinafter, be added promotor, aqueous flash rust inhibitor.Continue to stir 0.6-0.8h, stops stirring to get the one-component is arrived
Flexible epoxy lotion.
Embodiment 3
A kind of one-component flexible epoxy lotion, prepare raw material match in parts by weight it is as follows:
The preparation method of the one-component flexible epoxy lotion, specifically includes the following steps: the epoxy of (1) by weight
Resin E12, E20 and polytetrahydrofuran modified epoxy are added in the double-deck flat reaction vessel, and reaction vessel is flat burning
Bottle is equipped with intermig paddle.(2) resin is heated to 90 DEG C, and 0.7h is stirred with the revolving speed of 65rpm, until resin is mixed
It closes uniform.(3) epoxy-modified emulsifier is then added, continues to stir 0.7h in 90 DEG C of revolving speeds with 160pm.(4) 65 are cooled to
DEG C, latent curing agent, aqueous defoamer, aqueous levelling agent is added, continues to stir 0.7h with the revolving speed of 160rpm.(5) it improves
Stirring rate is continuously added into deionized water to 600rpm, maintains stirring rate and emulsifying temperature to adding all deionized waters,
Then 40 DEG C are cooled to hereinafter, promotor, aqueous flash rust inhibitor is added.Continue to stir 0.7h, stops stirring to get described in
One-component flexible epoxy lotion.
Comparative example 1
Above 3 groups of one-component flexible epoxy lotion embodiments are compared, it is modified that polytetrahydrofuran is added without in formula system
Epoxy resin, prepare raw material match in parts by weight it is as follows:
The comparative example, specific preparation process can be obtained referring to preceding embodiment, and the modified ring of polytetrahydrofuran is not added
The aqueous epoxy emulsion of oxygen resin.
Aqueous epoxy emulsion prepared by above embodiments, solid content are 40 ± 2%, can be by weight " water-base epoxy
Lotion: water=1:1~2 " arbitrarily dilutes, and the stability of dilution can be at 60 DEG C, not stratified demulsification in 7 days.And it is soft by being added
Embodiment after property segment polytetrahydrofuran modified epoxy, paint film pencil hardness, flexibility and adhesion strength obviously obtain
Good improvement see the table below the performance test data of 1 embodiment in detail.
The performance test data of 1 embodiment of table
In above-mentioned preceding 4 embodiments, the amount of polytetrahydrofuran modified epoxy is respectively 100,80,50,0, in table
In show adhesion strength and pencil hardness becomes larger, the trend that paint film flexibility gradually decreases.Illustrate that polytetrahydrofuran changes
Property epoxy resin can be effectively reduced epoxy emulsion adhesion strength and hardness, improve epoxy emulsion because adhesion strength is excessive, hardness
Excessively high and flexibility is poor and the drawbacks of bringing.
Above-described embodiment is more excellent embodiment of the invention, but embodiments of the present invention are not by above-described embodiment institute
Limitation, others are any not to be violated made change, combination, modification under the principle of the present invention and simplifies, and is regarded as the present invention
Protection scope within.
Claims (10)
1. a kind of one-component flexible epoxy lotion, which is characterized in that it includes following components by weight ratio that it, which prepares raw material:
50-100 parts of epoxy resin, modified epoxy 50-100,5-15 parts of emulsifier, 5-15 parts of latent curing agent, promotor 2-5
Part, 2-5 parts of dispersing agent, 2-5 parts of aqueous defoamer, 2-5 parts of aqueous levelling agent, 1-3 parts of aqueous flash rust inhibitor agent, deionized water
250-500 parts.
2. a kind of one-component flexible epoxy lotion according to claim 1, which is characterized in that preparation method specifically include with
Lower step:
It (1) will be in 50-100 parts and modified epoxy 50-100 parts addition reaction vessel of the epoxy resin of weight；
(2) resin is heated to 85-95 DEG C, and 0.5-1h is stirred with the revolving speed of 50-100rpm, until resin is uniformly mixed；
(3) it is then added emulsifier 5-15 parts, continues to stir 0.5-1h in the 85-95 DEG C of revolving speed with 100-200rpm；
(4) it is cooled to 60-70 DEG C, latent curing agent 5-15 parts, 2-5 parts of aqueous defoamer, 2-5 parts of aqueous levelling agent is added,
Continue to stir 0.5-1h with the revolving speed of 100-200rpm；
(5) stirring rate is improved to 400-800rpm, is continuously added into 250-500 parts of deionized water, is maintained stirring rate and emulsification
Then temperature is cooled to 40 DEG C hereinafter, promotor 2-5 parts, aqueous flash rust inhibitor 1-3 is added to all deionized waters are added
Part；
(6) continue to stir 0.5-1h, stop stirring to get the one-component flexible epoxy lotion is arrived.
3. one-component flexible epoxy lotion according to claim 1, which is characterized in that it includes by weight that it, which prepares raw material,
The following components of proportion: 60-80 parts of epoxy resin, modified epoxy 60-80,8-12 parts of emulsifier, latent curing agent 8-
12 parts, 3-4 parts of promotor, 3-4 parts of dispersing agent, 3-4 parts of aqueous defoamer, 3-4 parts of aqueous levelling agent, aqueous flash rust inhibitor agent
1-3 parts, 300-400 parts of deionized water.
4. one-component flexible epoxy lotion according to any one of claim 1-3, which is characterized in that the epoxy resin
For at least one of bisphenol A type epoxy resin E12, E20, E44, E51, the modified epoxy is polyether modified epoxy tree
At least one of rouge, polyester modified epoxy resin.
5. one-component flexible epoxy lotion according to any one of claim 1-3, which is characterized in that the emulsifier is
Carbochain C10~C15Sodium alkyl, the polyethylene glycol of molecular weight 2000-6000, at least one of epoxy-modified emulsifier.
6. one-component flexible epoxy lotion according to any one of claim 1-3, which is characterized in that the latency is solid
Agent is at least one of modified aromatic race amine, dicyandiamide class, modified imidazole class latent curing agent.
7. one-component flexible epoxy lotion according to any one of claim 1-3, which is characterized in that the promotor is
At least one of fatty amines, polyether amine, organic ureas, anhydride promotor.
8. one-component flexible epoxy lotion according to any one of claim 1-3, which is characterized in that the dispersing agent is
At least one of fatty acid, paraffin class, hydrolysis of polymaleic anhydride class dispersing agent.
9. one-component flexible epoxy lotion according to any one of claim 1-3, which is characterized in that the aqueous levelling
Agent is at least one of organic silicon modified by polyether oxygen alkanes or alkyl-modified organosiloxane class aqueous levelling agent, the water
Property defoaming agent be at least one of organosiloxane class or mineral oils aqueous defoamer；The aqueous flash rust inhibitor is
Water-borne acrylic type, water-based polyurethane, water-borne polyurethane-acrylate complex class, in the aqueous flash rust inhibitor of acetylenic diols
It is at least one.
10. one-component flexible epoxy lotion according to claim 4, which is characterized in that the modified epoxy is poly-
Tetrahydrofuran modified epoxy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910352180.2A CN110079191A (en) | 2019-04-29 | 2019-04-29 | A kind of one-component flexible epoxy lotion and preparation method thereof |
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| CN201910352180.2A CN110079191A (en) | 2019-04-29 | 2019-04-29 | A kind of one-component flexible epoxy lotion and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951357A (en) * | 2019-11-07 | 2020-04-03 | 浙江纳宝莱化工科技有限公司 | Sealing agent for cold-coating zinc coating and preparation method thereof |
| CN112126077A (en) * | 2020-09-11 | 2020-12-25 | 中国林业科学研究院林产化学工业研究所 | Single-component waterborne epoxy resin |
| CN112724793A (en) * | 2021-02-04 | 2021-04-30 | 浙江荣泰科技企业有限公司 | Insulating water-based epoxy self-adhesive paint and preparation method thereof |
| CN113652148A (en) * | 2021-09-28 | 2021-11-16 | 广州飞思合成材料有限公司 | Water-based epoxy insulating paint for high-frequency transformer and preparation method thereof |
| CN114015324A (en) * | 2021-12-08 | 2022-02-08 | 科建高分子材料（上海）股份有限公司 | Water-based single-component epoxy EPDM (ethylene-propylene-diene monomer) sealing strip coating and spraying equipment thereof |
| CN116376398A (en) * | 2023-03-30 | 2023-07-04 | 华南理工大学 | Water-based epoxy insulating impregnating coating and preparation method and application thereof |
| CN117089240A (en) * | 2023-10-12 | 2023-11-21 | 广州境好新材料有限公司 | Single-component waterborne epoxy temporary protective ink and preparation method thereof |
| CN116376398B (en) * | 2023-03-30 | 2024-04-30 | 华南理工大学 | Water-based epoxy insulating impregnating coating and preparation method and application thereof |
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| EP2336254A1 (en) * | 2009-12-18 | 2011-06-22 | Basf Se | Polymer dispersions |
| CN107964333A (en) * | 2017-12-29 | 2018-04-27 | 中科院广州化学有限公司 | A kind of Amino End Group reactivity fluoropolymer modified waterborne epoxy coating and its preparation and application |
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| EP2336254A1 (en) * | 2009-12-18 | 2011-06-22 | Basf Se | Polymer dispersions |
| CN107964333A (en) * | 2017-12-29 | 2018-04-27 | 中科院广州化学有限公司 | A kind of Amino End Group reactivity fluoropolymer modified waterborne epoxy coating and its preparation and application |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951357A (en) * | 2019-11-07 | 2020-04-03 | 浙江纳宝莱化工科技有限公司 | Sealing agent for cold-coating zinc coating and preparation method thereof |
| CN112126077A (en) * | 2020-09-11 | 2020-12-25 | 中国林业科学研究院林产化学工业研究所 | Single-component waterborne epoxy resin |
| CN112724793A (en) * | 2021-02-04 | 2021-04-30 | 浙江荣泰科技企业有限公司 | Insulating water-based epoxy self-adhesive paint and preparation method thereof |
| CN112724793B (en) * | 2021-02-04 | 2021-11-30 | 浙江荣泰科技企业有限公司 | Insulating water-based epoxy self-adhesive paint and preparation method thereof |
| CN113652148A (en) * | 2021-09-28 | 2021-11-16 | 广州飞思合成材料有限公司 | Water-based epoxy insulating paint for high-frequency transformer and preparation method thereof |
| CN114015324A (en) * | 2021-12-08 | 2022-02-08 | 科建高分子材料（上海）股份有限公司 | Water-based single-component epoxy EPDM (ethylene-propylene-diene monomer) sealing strip coating and spraying equipment thereof |
| CN116376398A (en) * | 2023-03-30 | 2023-07-04 | 华南理工大学 | Water-based epoxy insulating impregnating coating and preparation method and application thereof |
| CN116376398B (en) * | 2023-03-30 | 2024-04-30 | 华南理工大学 | Water-based epoxy insulating impregnating coating and preparation method and application thereof |
| CN117089240A (en) * | 2023-10-12 | 2023-11-21 | 广州境好新材料有限公司 | Single-component waterborne epoxy temporary protective ink and preparation method thereof |
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Application publication date: 20190802 |