CN109971305A - Solvent-free high-temperature anticorrosion paint, corrosion-inhibiting coating and container - Google Patents
Solvent-free high-temperature anticorrosion paint, corrosion-inhibiting coating and container Download PDFInfo
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- CN109971305A CN109971305A CN201910156792.4A CN201910156792A CN109971305A CN 109971305 A CN109971305 A CN 109971305A CN 201910156792 A CN201910156792 A CN 201910156792A CN 109971305 A CN109971305 A CN 109971305A
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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J12/00—Pressure vessels in general
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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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Abstract
The present invention provides a kind of solvent-free high-temperature anticorrosion paint, corrosion-inhibiting coating and containers.The solvent-free high-temperature anticorrosion paint includes novolac epoxy resin, bisphenol F epoxy resin, silane resin, curing agent and ceramic.Heat-resisting quantity, corrosion resistance, chemical resistance and the application property that can improve fire-resistant anticorrosion paint is used in combination in novolac epoxy resin, bisphenol F epoxy resin, silane resin and the curing agent of the solvent-free high-temperature anticorrosion paint of the application；Micrometer ceramics filler is added, the mechanical strength of paint film can be improved, further improves heat-resisting quantity, corrosion resistance, chemical resistance and wearability.Above several ingredient coordinateds use, so that solvent-free and high temperature-resistant anticorrosive paint provided by the present invention has excellent heat-resisting quantity, corrosion resistance, chemical resistance, wearability and application property, VOC content is extremely low, can be obviously improved construction efficiency, reduces construction time and VOC emission.
Description
Technical field
The present invention relates to anti-corrosion material technical fields, apply in particular to a kind of solvent-free high-temperature anticorrosion paint, anti-corrosion
Layer and container.
Background technique
Petrochemical industry high temperature pressure vessel is one of worst service environment and assets owner and operator face
The significant challenge faced.These containers, especially those greases and gs-oil separator for constantly being influenced by various eating conditions, most
It will lead to serious internal erosion and corrosion eventually.
Last century the seventies are traced back to, organic epoxy storage lining coating is used for the protection of high temperature process container.Thenceforth
It rises, since a large amount of substance is developed, organic storage lining coating is caused to be widely used by most of main oil companies in the world.90
Age, antiknock decompression and heat resisting temperature are introduced into up to 120 DEG C of storage lining coating, are used for separator and various other type process
The protection of equipment.As drilling well is deeper and deeper, cause operating temperature and pressure higher and higher, container operation person is faced with difficult now
Difficult task be exactly solve the problems, such as it is related to such service environment.Therefore, it is necessary to which more harsh environment can be resisted by developing
Material.
When designing high temperature storage lining coating, it is important to the reason of considering traditional coating failure.Many traditional coating categories
In solvent type, in addition to other limitations, problem goes out to have remained solvent in paint film, and solvent leaves solidify coating and leaves in application process
Gap, being then full of by process fluid causes to blister, then leads to initial failure.In addition, higher environmental requirement is to solvent type
The use of coating is more and more unwelcome.
Even the coating system of 100% solid, application also will appear certain problems at high temperature.Such as lower crosslink density
Coating system be easy hypersynchronous by water and gas, so as to cause corrosion.When polymeric system reaches its softening point, heat
When deformation temperature, the movement of polymer chain aggravates, it is easier to permeate, therefore, this corrosion phenomenon sharply increases.Even
The conventional epoxies of good osmotic-pressure-tolerant are typically exhibited at room temperature, and limited protection can only be also provided at high temperature.Instead
Come over, the coating system of high crosslink density, may be too in thermal cycle or bending process although showing excellent temperature tolerance
Hard and cracking.
Therefore, it is necessary to a kind of solvent-free high-temperature anticorrosion paint be developed, to meet petrochemical industry high temperature and pressure process equipment
With the demand of storage container, almost without VOC emission when construction, so that it is guaranteed that it meets extremely stringent environmental regulation.
Summary of the invention
The main purpose of the present invention is to provide a kind of solvent-free high-temperature anticorrosion paint, corrosion-inhibiting coating and containers, to solve
Not the problem of prior art high temperature storage lining coating is not able to satisfy high temperature and high pressure containers requirement for anticorrosion.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of solvent-free high-temperature anticorrosion paint, packet
Include novolac epoxy resin, bisphenol F epoxy resin, silane resin, curing agent and ceramic.
Further, in parts by weight, above-mentioned solvent-free high-temperature anticorrosion paint include 8~12 parts novolac epoxy resin, 8
~12 parts of bisphenol F epoxy resin, 10~14 parts of silane resin, 7~11 parts of curing agent and 43~63 parts of ceramics are micro-
Powder, preferably solvent-free high-temperature anticorrosion paint include: 9~11 parts of novolac epoxy resin, 9~11 parts of bisphenol F epoxy resin, 11
~13 parts of silane resin, 8~10 parts of curing agent and 46~59 parts of ceramic.
Further, the epoxide equivalent of above-mentioned novolac epoxy resin is 164~179, and degree of functionality is 2.5~2.8, preferably double
The epoxide equivalent of phenol F epoxy resin is 160~180, and degree of functionality is 2.0~2.2, and preferably silane resin is the silane containing epoxy group
Coupling agent.
Further, above-mentioned curing agent is selected from polyester ring polyamines, fatty amine and respectively in the addition product with epoxy resin
The combination of any one or more.
Further, above-mentioned ceramic is selected from the one of micrometer alumina, micron silica and aluminum silicate ceramic microballon
Kind is a variety of.
Further, in parts by weight, above-mentioned solvent-free high-temperature anticorrosion paint further includes epoxy promotor, preferably 0.2
~2.5 parts of epoxy promotor, more preferably 0.5~2.0 part of epoxy promotor, further preferred epoxy promotor are selected from phenol
The combination of any one or more in class, salicylic acid, carboxylic acid, sulfonic acid, tertiary amine and respective salt.
Further, in parts by weight, above-mentioned solvent-free high-temperature anticorrosion paint further includes pigment, preferably 2~6 parts of face
Material, more preferably 3~5 parts of pigment, further preferred pigment be titanium dioxide, iron oxide and carbon black in any one or it is more
The combination of kind.
Further, in parts by weight, above-mentioned solvent-free high-temperature anticorrosion paint further includes auxiliary agent, and preferably 0.2~2 part
Auxiliary agent, preferably 0.5~1.5 part of auxiliary agent.
According to another aspect of the present invention, a kind of corrosion-inhibiting coating is provided, is solidified using anticorrosive paint, which applies
The solvent-free high-temperature anticorrosion paint that material is any of the above-described kind.
According to another aspect of the present invention, a kind of container is provided, there is corrosion-inhibiting coating, which prevents for above-mentioned
Rotten coating.
It applies the technical scheme of the present invention, novolac epoxy resin, the Bisphenol F ring of the solvent-free high-temperature anticorrosion paint of the application
Heat-resisting quantity, the corrosion resistance, resistance toization that can improve fire-resistant anticorrosion paint is used in combination in oxygen resin, silane resin and curing agent
The property learned and application property；Micrometer ceramics filler is added, the mechanical strength of paint film can be improved, further improves heat-resisting quantity, corrosion resistant
Corrosion, chemical resistance and wearability.Above several ingredient coordinateds use, so that solvent-free and high temperature-resistant provided by the present invention
Anticorrosive paint has excellent heat-resisting quantity, corrosion resistance, chemical resistance, wearability and application property, and VOC content is extremely low, can be with
It is obviously improved construction efficiency, reduces construction time and VOC emission.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Below in conjunction with embodiment, the present invention will be described in detail.
As the application background technique is analyzed, the solvent free corrosion prevention coating of the prior art is not able to satisfy the length of elevated temperature vessel
Phase anticorrosion needs, in order to solve this problem, this application provides a kind of solvent-free high-temperature anticorrosion paint, corrosion-inhibiting coating and containers.
In a kind of typical embodiment of the application, a kind of solvent-free high-temperature anticorrosion paint, including phenolic aldehyde ring are provided
Oxygen resin, bisphenol F epoxy resin, silane resin, curing agent and ceramic.
Its high temperature resistant immersion property may be implemented in high crosslink density coating, but it is curved in thermal cycle and ground to will lead to rigid coating
Cracking is easy when bent.Solvent-free high-temperature anticorrosion paint of the invention is due to being added to silane resin, so that the nothing of the application
Solvent high-temperature anticorrosion paint has superior flexibility, crack propagation can be inhibited to structure；Simultaneously as being added to silane tree
Rouge so that the coating has high-tensile and elongation, can bearing temperature and pressures cycle, while keeping its structural integrity
Property, adhesive force, and anti-corrosive properties and chemical resistance are provided.It can be seen that the solvent-free high-temperature anticorrosion paint of the application and rigidity apply
Material is different, these coating are less frangible, and be able to bear it is high radially, circumferentially and longitudinal stress, reduce material rupture,
It destroys and is cracked, moved toward one another with ground, therefore be adapted to the thermal cycle of elevated temperature vessel and the requirement of bending part.
It can be seen that novolac epoxy resin, bisphenol F epoxy resin, the silane of the solvent-free high-temperature anticorrosion paint of the application
Heat-resisting quantity, corrosion resistance, chemical resistance and the construction that can improve fire-resistant anticorrosion paint is used in combination in resin and curing agent
Property；Micrometer ceramics filler is added, the mechanical strength of paint film can be improved, further improves heat-resisting quantity, corrosion resistance, chemically-resistant
Property and wearability.Above several ingredient coordinateds use, so that solvent-free and high temperature-resistant anticorrosive paint provided by the present invention has
There are excellent heat-resisting quantity, corrosion resistance, chemical resistance, wearability and application property, VOC content is extremely low, can be obviously improved and apply
Work efficiency rate reduces construction time and VOC emission.
In a kind of embodiment of the application, in parts by weight, above-mentioned solvent-free high-temperature anticorrosion paint includes 8~12 parts of phenol
Formaldehyde epoxy resin, 8~12 parts of bisphenol F epoxy resin, 10~14 parts of silane resin, 7~11 parts of curing agent and 43~
63 parts of ceramic, preferably above-mentioned solvent-free high-temperature anticorrosion paint include: 9~11 parts novolac epoxy resin, 9~11 parts
Bisphenol F epoxy resin, 11~13 parts of silane resin, 8~10 parts of curing agent and 46~59 parts of ceramic.By upper
The dosage control for stating each component improves the heat-resisting quantity, resistance to of solvent-free high-temperature anticorrosion paint so that each component plays synergistic effect
Corrosivity, wearability.
Above-mentioned novolac epoxy resin can be made of one or more novolac epoxy resins, and each molecule contains more than one
Epoxy group on their internally positioned, ends or cyclic structure, can cooperate with one or more suitable curing agent.Pass through
It is used in combination with bisphenol F epoxy resin and silane resin, viscosity can be reduced, improve construction and physical property.It is various from obtaining
From the perspective of excellent paint film property, the epoxide equivalent of preferably above-mentioned novolac epoxy resin is 164~179, degree of functionality 2.5~
2.8。
Novolac epoxy resin for the application can be selected from the combination of any one or more in following: phenolic aldehyde ring
Oxygen: Araldite EPN 1179, Huntsman；Epoxy novolac: DEN 431, Dow；Epoxy novolac: Epalloy 8240, CVC；
Epoxy novolac: Epikote Resin 170, Hexion；Epoxy novolac: NPPN-631, Nan Ya；Epoxy novolac: YDPN-631,
Kukdo。
Bisphenol F epoxy resin viscosity is low, good with the compatibility of novolac epoxy resin.Bis-phenol is used in epoxy novolac system
F epoxy resin can reduce system viscosity, improve its workability.From the perspective of obtaining various excellent paint film properties, preferably
The epoxide equivalent of above-mentioned bisphenol F epoxy resin is 160~180, and degree of functionality is 2.0~2.2, for example is 2.1.
Bisphenol F epoxy resin for the application can be selected from the combination of any one or more in following: Bisphenol F ring
Oxygen: Araldite GY 282, Huntsman (epoxide equivalent 164~172, average molecular weight 3300~4100)；Bisphenol F epoxy:
Araldite GY 285, Huntsman (epoxide equivalent 163~172, average molecular weight 2000~3000)；Bisphenol F epoxy: DER
354, Dow (epoxide equivalent 167~174, average molecular weight 3400~4200)；Bisphenol F epoxy: Epikote 862, Hexion
(epoxide equivalent 165~173, average molecular weight 2500~4500)；Bisphenol F epoxy: NPEF-170, Nan Ya (epoxide equivalent 160
~180, average molecular weight 2000~5000)；Bisphenol F epoxy: YDF-170, Kukdo (epoxide equivalent 160~180, mean molecule
Amount 2000~5000).
Silane resin for the application is organo-silicon compound, there are two different functional groups, one of them with it is organic
Object reaction, another is reacted with inorganic matter.Preferably, preferably silane resin is the silane coupling agent containing epoxy group.Silane can be with
The mechanical strength of composite material is improved, improves flexural strength, tensile strength, elasticity, moisture-proof and adhesive force, when paint film is even long
Between soak after will not also remove completely, it is rotten that pit corrosion, crevice corrosion, different metal contact corrosion and stress can be effectively prevented
Erosion.The combination of any one or more during silane resin for the application is following: silane: Silquest A-187
Silane, Momentive；Silane: Geniosil GF 80, Wacker；Silane: Dow Corning Z-6040, Dow
Corning；Silane: Dynasylan GLYMO, Evonik；Silane: KBM-403, Shin-Etsu.
It is preferably above-mentioned at least containing there are two the reactive hydrogen atom of link nitrogen in above-mentioned curing agent in order to improve solidification rate
Curing agent is selected from polyester ring polyamines, fatty amine and the respectively combination of any one or more in the addition product with epoxy resin.
Above-mentioned fatty amine can provide high-caliber anti-corrosive properties, but the paint film formed is more crisp, and with the compatibility of epoxy resin compared with
Difference easily causes amine and causes whiting.And addition product made of fatty amine and epoxy resin pre-reaction is selected, it can improve compatible
Property, and paint film property is influenced little.M-xylene diamine is a kind of curing agent without aromatic amine, it contains aromatic ring, in conjunction with
Some characteristics of aromatic amine and fatty amine, with epoxy resin addition can usually obtain good performance and operability.It is preferred that
Ground, any one or more combination of the above-mentioned curing agent in following: polyester cyclammonium: Ancamine 2167, Air
Products；Polyester cyclammonium: Ancamine 2264, Air Products；Fatty amine: MXDA, MGC；Fatty amine: Aradur
22, Huntsman；Fatty amine: Gaskamine 328, MGC.
Micrometer ceramics filler can not only improve the hardness of paint film, additionally it is possible to improve wearability, impact resistance and anti-corrosive properties
Etc. performances, it is preferable that above-mentioned ceramic be selected from micrometer alumina, micron silica and aluminum silicate ceramic microballon one kind or
It is a variety of.Any one or more combination of the ceramic in following for the application: aluminium oxide ceramics microballon: DAM-
03, Denka；Aluminium oxide ceramics microballon: DAM-05, Denka；SiO 2-ceramic microballon: FB-5D, Denka；Aluminum silicate ceramic
Microballon: W-210,3M；Aluminum silicate ceramic microballon: W-410,3M.
In order to improve the application solvent-free high-temperature anticorrosion paint solidification rate, preferably in parts by weight, solvent-free height
Warm anticorrosive paint further includes epoxy promotor, preferably 0.2~2.5 part of epoxy promotor, and more preferably 0.5~2.0 part
Epoxy promotor, further preferred epoxy promotor is in phenols, salicylic acid, carboxylic acid, sulfonic acid, tertiary amine and respective salt
The combination of any one or more.Above-mentioned phenols epoxy promotor can be selected from 2,4,6- tri- (dimethylamino methyl) phenol, right
Tert-butyl phenol, nonyl phenol, salicylic acid, methane sulfonic acid, p-methyl benzenesulfonic acid, calcium nitrate, sodium sulfocyanate, triethyl borate and miaow
Azoles it is one or more.Specifically, any one of above-mentioned epoxy promotor in following: 54 (Air of Ancamine K
Products), TEB (Bersum) and Accelerator DY 070 (Huntsman).
In order to reduce cost, and guarantee the anti-corrosive properties of solvent-free anticorrosive paint, it is in parts by weight, above-mentioned solvent-free heavy anti-
Rotten coating further includes 2~6 parts of pigment, preferably 3~5 parts of pigment.Further preferred pigment be titanium dioxide, iron oxide and
The combination of any one or more in carbon black.
In parts by weight, solvent-free high-temperature anticorrosion paint further includes auxiliary agent, preferably 0.2~2 part of auxiliary agent, preferably
0.5~1.5 part of auxiliary agent.Above-mentioned auxiliary agent can be Ricinate commonly used in the art, rheological agent and defoaming agent.Stream therein
Becoming agent can any one or more in following: Bentone 38 (Rheox), Cab-O-Sil TS-720 (Cabot),
Disparlon 6650(Kusumoto),Caryvallac MT(Cray Valley).Above-mentioned Ricinate can be
Yelkin TS (Archer Daniels) and/or Disperbyk-164 (BYK).Above-mentioned defoaming agent can be BYK-066
(BYK)。
In another typical embodiment of the application, a kind of corrosion-inhibiting coating is provided, using anticorrosive paint solidification
At the solvent-free high-temperature anticorrosion paint that the anticorrosive paint is any of the above-described kind.
Due to the novolac epoxy resin of the solvent-free high-temperature anticorrosion paint of the application, bisphenol F epoxy resin, silane resin and
Heat-resisting quantity, corrosion resistance, chemical resistance and the application property that can improve fire-resistant anticorrosion paint is used in combination in curing agent；It is added
The mechanical strength of paint film can be improved in micrometer ceramics filler, further improves heat-resisting quantity, corrosion resistance, chemical resistance and resistance to
Mill property.Above several ingredient coordinateds use, so that corrosion-inhibiting coating provided by the present invention has excellent heat-resisting quantity, resistance to
Corrosivity, chemical resistance, wearability and application property, VOC content is extremely low, can be obviously improved construction efficiency, reduces the construction time
And VOC emission.
In the application in another typical embodiment, a kind of container is provided, there is corrosion-inhibiting coating, the corrosion-inhibiting coating
For above-mentioned corrosion-inhibiting coating.Since the corrosion-inhibiting coating of the application has superior heat-resisting quantity, corrosion resistance, chemical resistance and applies
Work, therefore, so that the container with it has a longer life expectancy.Said vesse can be high temperature and high pressure containers.
Above-mentioned anticorrosive paint preparation is implemented using coating industry general technology, such as first with equipment such as high speed dispersers
To mix dispersion various composition；Then with filter bag, vibrating screen or the filtering of other filters.
The construction property of solvent-free anticorrosive paint of the invention is also very prominent.Forming coating can be using tradition without gas
Spraying, brushing or roll coating model construction, solidification temperature can be down to 10 DEG C.
The matching system of the solvent-free high-temperature anticorrosion paint of the present invention is particularly suitable for applying especially suitable for inner surfaces such as storage tanks
Dress.
For example the storage tank for storing crude oil, bio-fuel-oil, solvent, water, production of water etc., temperature are used up to 150 DEG C
When, 300 microns of solvent-free high-temperature anticorrosion paints of thick first are first coated, it is solvent-free to be then coated 300 microns of thick seconds
High-temperature anticorrosion paint；The processing container of model Norsok M-501 system 3D, pressure < 3bar of tolerance, temperature < 75 DEG C,
In use, first coat 250 microns of solvent-free high-temperature anticorrosion paints of thick first, be then coated 250 microns of thick seconds without
Solvent high-temperature anticorrosion paint；The processing container of model Norsok M-501 system 3E, pressure < 70bar of tolerance, temperature <
80 DEG C, in use, first coating 250 microns of solvent-free high-temperature anticorrosion paints of thick first, it is then coated 250 microns thick second
The solvent-free high-temperature anticorrosion paint in road；The processing container of model Norsok M-501 system 3F, pressure < 30bar of tolerance, temperature
< 130 DEG C of degree is then coated 250 microns thick in use, first coating 250 microns of solvent-free high-temperature anticorrosion paints of thick first
The solvent-free high-temperature anticorrosion paint of second.
Below with reference to embodiment and comparative example, the beneficial effect of the application is further illustrated.It should be noted that not
In the case where conflict, the features in the embodiments and the embodiments of the present application be can be combined with each other.Come below in conjunction with embodiment
The present invention will be described in detail.
Material used in following embodiment and comparative example is shown in Table 1.
Table 1
Embodiment 1 to 10
Solvent-free high-temperature anticorrosion paint in the present invention in embodiment 1 to 10 is realized by following production technology:
Novolac epoxy resin, bisphenol F epoxy resin and silane resin: being uniformly mixed by component A using high speed disperser, point
Ceramic, pigments and fillers and auxiliary agent are added during dissipating, high speed dispersion is 40 microns maximum to fineness.
B component: curing agent and epoxy promotor are mixed together uniformly.
Before use, component A and B component is mixed according to weight ratio shown in table 1, be prepared solvent-free height of the invention
Warm anticorrosive paint.If not having respective components in table 2, the component is not added in production process.
The solvent-free high-temperature anticorrosion paint composition that embodiment 1 to 6 provides is shown in Table 2.Weight composition and the reality of embodiment 7 to 10
It is identical to apply example 1.
Comparative example 1 to 4
Solvent-free high-temperature anticorrosion paint in the present invention in comparative example 1 to 4 is realized by following production technology:
Novolac epoxy resin, bisphenol F epoxy resin and silane resin: being uniformly mixed by component A using high speed disperser, point
Micrometer ceramics filler, pigments and fillers and auxiliary agent are added during dissipating, high speed dispersion is 40 microns maximum to fineness.
B component: curing agent and promotor are mixed together uniformly.
Before use, component A and B component is mixed according to weight ratio shown in table 1, prepare solvent-free high-temperature anticorrosion paint.
The solvent-free and high temperature-resistant anticorrosive paint composition that comparative example 1 provides is shown in Table 3.If there is no respective components in table 3, give birth to
The component is not added during production. art.
Table 2
Table 3
To coating drawing property, elongation, wearability, chemical resistance, water resistance, dry heat resistance, salt fog resistance and stripping
It is detected from performance, test result is shown in Table 4 and table 5, and detection method is as follows:
Pull-out test: test method ISO 4624 (ASTM D 4541)；
Elongation: test method ASTM D 638；
Wearability: test method ASTM D 4060, CS-17,1000g；
Chemical resistance: test method NACE TM-0185 ,+3% salt water of crude oil；
Water resistance: ISO 2812；
Dry heat resistance: 5499 method A of test method ASTM D；
Salt-fog resistant test: test method ASTM B 117；
Cathodic disbonding: test method GB/T23257 (ASTM G 42).
Table 4
Table 5
| Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | |
| Pull-out test, MPa | 20 | 19 | 25 | 18 |
| Elongation, % | 2.9 | 2.7 | 1.8 | 0.5 |
| Wearability, mg | 65 | 62 | 44 | 49 |
| Chemical resistance, 150 DEG C, 30d | Slight blistering | Slight blistering | Slight blistering | Blistering |
| Water resistance, 100 DEG C, 120d | Slight blistering | Zero defect | Zero defect | Slight blistering |
| Dry heat resistance, 200 DEG C | Zero defect | Zero defect | Zero defect | Zero defect |
| Salt-fog resistant test, 10000h | Blistering | Slight blistering | Zero defect | Blistering |
| Cathodic disbonding, 90 DEG C, 30d | 6.2mm | 6.2mm | 6.5mm | 7.7mm |
Note: elongation is higher, and the flexibility for illustrating coating is better.
It can be seen that novolac epoxy resin, bisphenol F epoxy resin, silane according to the data of above-described embodiment and comparative example
The dosage of resin, curing agent and ceramic to high temperature resistant chemically, salt fog resistance, adhesive force, flexibility and wearability have compared with
It is big to influence, therefore, the dosage of novolac epoxy resin, bisphenol F epoxy resin, silane resin, curing agent and ceramic is controlled
In scope of the invention as claimed, be conducive to improve the mechanical performance of coating, high temperature resistant chemically and antiseptic property, to improve
The durability of coating.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Novolac epoxy resin, bisphenol F epoxy resin, silane resin and the solidification of the solvent-free high-temperature anticorrosion paint of the application
Heat-resisting quantity, corrosion resistance, chemical resistance and the application property that can improve fire-resistant anticorrosion paint is used in combination in agent；Micron is added
The mechanical strength of paint film can be improved in ceramic packing, further improves heat-resisting quantity, corrosion resistance, chemical resistance and wearability.
Above several ingredient coordinateds use, so that solvent-free and high temperature-resistant anticorrosive paint provided by the present invention has excellent resistance to height
Warm nature, corrosion resistance, chemical resistance, wearability and application property, VOC content is extremely low, can be obviously improved construction efficiency, and reduction is applied
Between working hour and VOC emission.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of solvent-free high-temperature anticorrosion paint, which is characterized in that including novolac epoxy resin, bisphenol F epoxy resin, silane tree
Rouge, curing agent and ceramic.
2. solvent-free high-temperature anticorrosion paint according to claim 1, which is characterized in that in parts by weight, described solvent-free
High-temperature anticorrosion paint includes 8~12 parts of the novolac epoxy resin, 8~12 parts of the bisphenol F epoxy resin, 10~14 parts
The silane resin, 7~11 parts of the curing agent and 43~63 parts of the ceramic, the preferably described solvent-free height
Warm anticorrosive paint includes: 9~11 parts of the novolac epoxy resin, 9~11 parts of the bisphenol F epoxy resin, 11~13 parts
The silane resin, 8~10 parts of the curing agent and 46~59 parts of the ceramic.
3. solvent-free high-temperature anticorrosion paint according to claim 1 or 2, which is characterized in that the novolac epoxy resin
Epoxide equivalent is 164~179, and degree of functionality is 2.5~2.8, the epoxide equivalent of the preferably described bisphenol F epoxy resin is 160~
180, degree of functionality is 2.0~2.2, and the preferably described silane resin is the silane coupling agent containing epoxy group.
4. solvent-free high-temperature anticorrosion paint according to claim 1 or 2, which is characterized in that the curing agent is selected from polyester
Ring polyamines, fatty amine and respectively with the combination of any one or more in the addition product of epoxy resin.
5. solvent-free high-temperature anticorrosion paint according to claim 1 or 2, which is characterized in that the ceramic is selected from micro-
Rice aluminium oxide, micron silica and aluminum silicate ceramic microballon it is one or more.
6. solvent-free high-temperature anticorrosion paint according to claim 1 or 2, which is characterized in that in parts by weight, described without molten
Agent high-temperature anticorrosion paint further includes epoxy promotor, preferably 0.2~2.5 part of the epoxy promotor, more preferably 0.5~
2.0 parts of the epoxy promotor, the further preferred epoxy promotor are selected from phenols, salicylic acid, carboxylic acid, sulfonic acid, tertiary amine
With the combination of any one or more in respective salt.
7. solvent-free high-temperature anticorrosion paint according to claim 1 or 2, which is characterized in that in parts by weight, described without molten
Agent high-temperature anticorrosion paint further includes pigment, preferably 2~6 parts of the pigment, more preferably 3~5 parts of the pigment, into one
Walking the preferably pigment is the combination of any one or more in titanium dioxide, iron oxide and carbon black.
8. solvent-free high-temperature anticorrosion paint according to claim 1 or 2, which is characterized in that in parts by weight, described without molten
Agent high-temperature anticorrosion paint further includes auxiliary agent, preferably 0.2~2 part of auxiliary agent, preferably 0.5~1.5 part of the auxiliary agent.
9. a kind of corrosion-inhibiting coating, is solidified using anticorrosive paint, which is characterized in that the anticorrosive paint is claim 1 to 8
Any one of described in solvent-free high-temperature anticorrosion paint.
10. a kind of container has corrosion-inhibiting coating, which is characterized in that the corrosion-inhibiting coating is anti-corrosion as claimed in claim 9 painting
Layer.
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