CN109321087A - A kind of thick coated type steel structure surface high flexibility epoxy coating - Google Patents
A kind of thick coated type steel structure surface high flexibility epoxy coating Download PDFInfo
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- CN109321087A CN109321087A CN201811122168.4A CN201811122168A CN109321087A CN 109321087 A CN109321087 A CN 109321087A CN 201811122168 A CN201811122168 A CN 201811122168A CN 109321087 A CN109321087 A CN 109321087A
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- component
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- epoxy
- piperazine
- high flexibility
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5046—Amines heterocyclic
- C08G59/5053—Amines heterocyclic containing only nitrogen as a heteroatom
- C08G59/5073—Amines heterocyclic containing only nitrogen as a heteroatom having two nitrogen atoms in the ring
-
- 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
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Epoxy Resins (AREA)
Abstract
The present invention discloses a kind of thick coated type steel structure surface high flexibility epoxy coating, is made of component A and two component of B: component A: being made of 828 epoxy of EPIKOTE and DER736 epoxy；B component: by oil base primary amine, bisphenol-A, Hypro1300X16 amido blocks liquid nitrile rubber, 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine mixture, benzyl alcohol and DMP-30 composition, wherein the mass ratio of the 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine in mixture is 1:1；The preparation method comprises the following steps: first component A is placed in beaker by formula ratio weighing, it is thoroughly mixed using blender, it stands, the each component in B component is weighed into configuration in another beaker by formula ratio again, placement is uniformly mixed, then mixes two component of AB, equably scratch on ground, under room temperature after surface drying, 2 days acquisition thick coated type high flexibility epoxy coatings are done solid work, good adhesive force is possessed.
Description
Technical field
The invention belongs to technical field of coatings, in particular to a kind of thick coated type steel structure surface high flexibility epoxy coating.
Background technique
As traffic is more and more convenient, various road and bridge are also more and more, and the bar construction material used on road and bridge is also various
Change.It is long-term to locate if any there are the salt mist environments on seashore but since these steel structure materials are chronically exposed in adverse circumstances
In wet environment, also have and be chronically at exposure environment, causes the corrosion harm of these steel structure materials serious, therefore people's phase
More corrosion resistant steel structure material is found in prestige.Used at present includes galvanizing steel, copper-clad reinforcing bar, alloy reinforcing bar, stainless steel steel
Muscle etc..But the poor corrosion resistance of galvanizing steel, latter three kinds taking cost into account using less.Therefore a kind of relatively low cost is studied
Thick coated type coating become trend.Due to consideration that the good corrosion resistance of epoxy resin, therefore select epoxy resin as coating
Main resin.Although but simple epoxy resin good corrosion resistance, cementability is strong, and that there is brittleness is big again for it, impact
The problem of toughness, bending strength and poor heat resistance.If coating is accomplished that 2mm thickness, cementability also will receive and seriously affects.Therefore
This series of problems is all the problem of researching and solving required for the present invention.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of thick coated type steel structure surface high flexibilities
Epoxy coating enables 2mm thick coating to be attached on steel construction by epoxy resin modification technology, and possesses good attached
Put forth effort.By the introducing of epoxy coating so that steel structure surface has corrosion-resistant, ageing-resistant, superpower flexibility and shock resistance tough
Degree, increases its service life.
The object of the present invention is achieved like this, a kind of thick coated type steel structure surface high flexibility epoxy coating, by component A and
Two component of B is made: component A: being formed by 49.6-56 parts and 5.5-6.2 parts of DER736 epoxy of 828 epoxy of EPIKOTE；B component:
By 32.8-37.1 parts of oil base primary amine, 1-2.2 parts of bisphenol-A, Hypro1300X16 amido blocks 6.7 parts of liquid nitrile rubber, 1-
Dimethylaminoethyl -4- methyl piperazine and 1-1.9 parts of aminoethyl piperazine mixture, 1-1.8 parts and DMP-30 1-1.6 parts of benzyl alcohol
Composition, wherein the mass ratio of the 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine in mixture is 1:1；Preparation method
Are as follows: two kinds of epoxies in component A are placed in beaker by formula ratio weighing first, are thoroughly mixed 10min using blender,
30min is stood, then each component in B component is weighed into configuration in another beaker by formula ratio, is uniformly mixed placement
Then two component of AB is mixed, is equably scratched on ground, coating layer thickness 2mm, surface drying 6h under room temperature does solid work 2 by 30min
It obtains thick coated type high flexibility epoxy coating.
The invention has the characteristics that
(1) present invention is when selecting epoxy resin, if viscosity is excessively high, is applying using single 828 epoxy resin of EPIKOTE
Working hour is difficult to operate, therefore DER736 epoxy resin and 828 epoxy resin of EPIKOTE are used in mixed way by selection, reaches optimal glutinous
Degree and levelling effect.
(2) present invention selection 1- dimethylaminoethyl -4- methyl piperazine, the reasons why aminoethyl piperazine are to allow epoxy resin
There is excellent rear curability, while its mobility can also be increased.
(3) selection that the present invention blocks liquid nitrile rubber to amido is the angle from its high-flexibility and shock resistance toughness
Consider selection, show that its additive amount is 6.7 parts best by test repeatedly.
The invention has the following advantages:
1) due to using pure stainless steel, the materials such as alloy reinforcing bar do bridge structure, and cost is high, and maintenance expense is excessive.This hair
The appearance of bright thick coated type high-flexibility epoxy coating, new thinking is provided for anticorrosion of steel structure, both reduces production cost,
Also improve the service life of steel construction.
) thick coated type high flexibility epoxy coating of the invention solves the adhesion problem on steel construction, while also improving
Its flexibility and shock resistance toughness；Good foundation is provided for the research of subsequent new technology.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Formula material involved in following example is common chemical raw material, can be obtained from commercial channel.
Embodiment 1
A kind of formula of thick coated type high flexibility epoxy coating is present embodiments provided, the mass parts of each raw material are divided into A/ in the formula
Two component of B: component A: 49.9 parts of 828 epoxy of EPIKOTE (Guangzhou Gao Jun Chemical Co., Ltd.), the DER736 epoxy (U.S.
DOW Chemical) 5.5 parts, B component: 33.5 parts of oil base primary amine (Shanghai Han Si Chemical Co., Ltd.), bisphenol-A (epoxy grade or PC
Grade) 1 part, Hypro1300X16 amido blocks liquid nitrile rubber (Jia Dida new material Science and Technology Ltd. of Shenzhen) 6.7
Part, 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine (rising sun Chemical Co., Ltd. in Nanjing wilderness overgrown with grass) 1 part of (its of mixture
The mass ratio of middle 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine is 1:1), 1 part of benzyl alcohol (the happy together Thailand in Beijing capital
Chemical products Co., Ltd), the happy together safe chemical products Co., Ltd in the Beijing DMP-30(capital) 1 part；Concrete operation step is first
Two kinds of epoxies in component A are placed in beaker by mass parts weighing, 10min is thoroughly mixed using blender, stands
30min, then B component configuration is uniformly mixed in another beaker and places 30min, two component of AB is mixed using preceding,
Uniform blade coating is on ground, the general 2mm of coating layer thickness, and surface drying 6h under room temperature is done solid work 2 days.
Embodiment 2
A kind of formula of thick coated type high flexibility epoxy coating is present embodiments provided, the mass parts of each raw material are divided into A/ in the formula
Two component of B: component A: 49.6 parts of 828 epoxy of EPIKOTE (Guangzhou Gao Jun Chemical Co., Ltd.), the DER736 epoxy (U.S.
DOW Chemical) 5.5 parts, B component: 33.2 parts of oil base primary amine (Shanghai Han Si Chemical Co., Ltd.), bisphenol-A (epoxy grade or PC
Grade) 1.2 parts, Hypro1300X16 amido blocks liquid nitrile rubber (Jia Dida new material Science and Technology Ltd. of Shenzhen) 6.7
Part, 1.2 parts of mixture of 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine (rising sun Chemical Co., Ltd. in Nanjing wilderness overgrown with grass)
(wherein the mass ratio of 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine is 1:1), benzyl alcohol (the happy together Thailand in Beijing capital
Chemical products Co., Ltd) 1.3 parts, the happy together safe chemical products Co., Ltd in the Beijing DMP-30(capital) 1.3 parts；Concrete operations
Step is first to be placed on two kinds of epoxies in component A in beaker by mass parts weighing, is thoroughly mixed using blender
10min stands 30min, then B component configuration is uniformly mixed in another beaker and places 30min, preceding by AB group using
Divide mixing, uniform blade coating is on ground, the general 2mm of coating layer thickness, and surface drying 6h under room temperature is done solid work 2 days.
Embodiment 3
A kind of formula of thick coated type high flexibility epoxy coating is present embodiments provided, the mass parts of each raw material are divided into A/ in the formula
Two component of B: component A: 53.7 parts of 828 epoxy of EPIKOTE (Guangzhou Gao Jun Chemical Co., Ltd.), the DER736 epoxy (U.S.
DOW Chemical) 6 parts, B component: 37.1 parts of oil base primary amine (Shanghai Han Si Chemical Co., Ltd.), bisphenol-A (epoxy grade or PC grades)
1.6 parts, Hypro1300X16 amido blocks 6.7 parts of liquid nitrile rubber (Jia Dida new material Science and Technology Ltd. of Shenzhen),
1.8 parts of mixture is (wherein for 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine (rising sun Chemical Co., Ltd. in Nanjing wilderness overgrown with grass)
The mass ratio of 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine is 1:1), (the happy together safe chemical industry in Beijing capital produces benzyl alcohol
Product Co., Ltd) 1.5 parts, the happy together safe chemical products Co., Ltd in the Beijing DMP-30(capital) 1.5 parts；Concrete operation step is
Two kinds of epoxies in component A are placed in beaker by mass parts weighing first, are thoroughly mixed 10min using blender, it is quiet
30min is set, then B component configuration is uniformly mixed in another beaker and places 30min, mixes AB component using preceding
It closes, uniform blade coating is on ground, the general 2mm of coating layer thickness, and surface drying 6h under room temperature is done solid work 2 days.
Embodiment 4
A kind of formula of thick coated type high flexibility epoxy coating is present embodiments provided, the mass parts of each raw material are divided into A/ in the formula
Two component of B: component A: 56 parts of 828 epoxy of EPIKOTE (Guangzhou Gao Jun Chemical Co., Ltd.), DER736 epoxy (U.S.'s pottery
Family name's chemistry) 6.2 parts, B component: 32.8 parts of oil base primary amine (Shanghai Han Si Chemical Co., Ltd.), bisphenol-A (epoxy grade or PC grades)
2.2 parts, Hypro1300X16 amido blocks 6.7 parts of liquid nitrile rubber (Jia Dida new material Science and Technology Ltd. of Shenzhen),
1.9 parts of mixture is (wherein for 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine (rising sun Chemical Co., Ltd. in Nanjing wilderness overgrown with grass)
The mass ratio of 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine is 1:1), (the happy together safe chemical industry in Beijing capital produces benzyl alcohol
Product Co., Ltd) 1.8 parts, 1.6 parts of DMP-30 (the happy together safe chemical products Co., Ltd in Beijing capital).Concrete operation step is
Two kinds of epoxies in component A are placed in beaker by mass parts weighing first, are thoroughly mixed 10min using blender, it is quiet
30min is set, then B component configuration is uniformly mixed in another beaker and places 30min, mixes AB component using preceding,
Uniform blade coating is on ground, the general 2mm of coating layer thickness, and surface drying 6h under room temperature is done solid work 2 days.
The thick coated type high flexibility epoxy coating product test result obtained to embodiment 4 is as follows:
| Performance | Test result | Test method |
| Cohesive force, MPa (23oC) | >4 | GB 5210-2006 |
| Tensile strength, MPa (23oC) | >6 | GB/T 2567-2008 |
| Elongation at break, % (23oC) | >200 | GB/T 2567-2008 |
Claims (1)
1. a kind of thick coated type steel structure surface high flexibility epoxy coating, is made of component A and two component of B: component A: by
49.6-56 parts and 5.5-6.2 parts of DER736 epoxy compositions of 828 epoxy of EPIKOTE；B component: by oil base primary amine 32.8-37.1
Part, 1-2.2 parts of bisphenol-A, Hypro1300X16 amido blocks 6.7 parts of liquid nitrile rubber, 1- dimethylaminoethyl -4- methyl piperazine
Piperazine and 1-1.9 parts of aminoethyl piperazine mixture, 1-1.8 parts and DMP-30 1-1.6 part of benzyl alcohol form, wherein in mixture
The mass ratio of 1- dimethylaminoethyl -4- methyl piperazine and aminoethyl piperazine is 1:1；The preparation method comprises the following steps: first by two kinds in component A
Epoxy is placed in beaker by formula ratio weighing, is thoroughly mixed 10min using blender, stands 30min, then by B component
In each component by formula ratio weigh configuration in another beaker, be uniformly mixed place 30min, then two component of AB is mixed
It closes, equably scratches on ground, coating layer thickness 2mm, surface drying 6h under room temperature, do solid work 2 days acquisition thick coated type high flexibility epoxies
Coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811122168.4A CN109321087B (en) | 2018-09-26 | 2018-09-26 | High-flexibility epoxy coating on surface of thick-coated steel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811122168.4A CN109321087B (en) | 2018-09-26 | 2018-09-26 | High-flexibility epoxy coating on surface of thick-coated steel structure |
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| CN109321087A true CN109321087A (en) | 2019-02-12 |
| CN109321087B CN109321087B (en) | 2020-12-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5369152A (en) * | 1990-11-27 | 1994-11-29 | Reichhold Chemicals, Inc. | Urethane modified waterborne dispersions |
| DE102007020822A1 (en) * | 2007-05-02 | 2008-11-06 | Dresdner Lackfabrik Novatic Gmbh & Co. Kg | Double-layered solvent-poor organic anticorrosion system for metal surfaces for the application in towers for stainless steel wind energy tower for industrial plant, comprises base coating having two component epoxy resin coating material |
| CN101987937A (en) * | 2009-08-04 | 2011-03-23 | 海洋化工研究院 | Super-thick film anticorrosion coating of splash zone marine steel structure |
| CN102352171A (en) * | 2011-09-16 | 2012-02-15 | 中华制漆（深圳）有限公司 | Novel environment-friendly coating with superhigh marine environment corrosion resistance and preparation method and application thereof |
| CN102925026A (en) * | 2012-10-30 | 2013-02-13 | 北京羽林军石油科技有限公司 | 100%-solid-content double-component liquid modified epoxy resin paint and preparation method thereof |
| JP5587537B2 (en) * | 2007-12-21 | 2014-09-10 | 関西ペイント株式会社 | Two-component water-based anticorrosion paint and anticorrosion coating method |
| CN108264823A (en) * | 2018-02-25 | 2018-07-10 | 李嘉顺 | A kind of solvent-free thick coated type epoxy resin fireproof coating and preparation method thereof |
-
2018
- 2018-09-26 CN CN201811122168.4A patent/CN109321087B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5369152A (en) * | 1990-11-27 | 1994-11-29 | Reichhold Chemicals, Inc. | Urethane modified waterborne dispersions |
| DE102007020822A1 (en) * | 2007-05-02 | 2008-11-06 | Dresdner Lackfabrik Novatic Gmbh & Co. Kg | Double-layered solvent-poor organic anticorrosion system for metal surfaces for the application in towers for stainless steel wind energy tower for industrial plant, comprises base coating having two component epoxy resin coating material |
| JP5587537B2 (en) * | 2007-12-21 | 2014-09-10 | 関西ペイント株式会社 | Two-component water-based anticorrosion paint and anticorrosion coating method |
| CN101987937A (en) * | 2009-08-04 | 2011-03-23 | 海洋化工研究院 | Super-thick film anticorrosion coating of splash zone marine steel structure |
| CN102352171A (en) * | 2011-09-16 | 2012-02-15 | 中华制漆（深圳）有限公司 | Novel environment-friendly coating with superhigh marine environment corrosion resistance and preparation method and application thereof |
| CN102925026A (en) * | 2012-10-30 | 2013-02-13 | 北京羽林军石油科技有限公司 | 100%-solid-content double-component liquid modified epoxy resin paint and preparation method thereof |
| CN108264823A (en) * | 2018-02-25 | 2018-07-10 | 李嘉顺 | A kind of solvent-free thick coated type epoxy resin fireproof coating and preparation method thereof |
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