CN108977004A - Drag reduction height adapts to acrylic acid epoxy coating and preparation method thereof in a kind of double solidification pipelines of one pack system - Google Patents
Drag reduction height adapts to acrylic acid epoxy coating and preparation method thereof in a kind of double solidification pipelines of one pack system Download PDFInfo
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- 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
- C09D163/10—Epoxy resins modified by unsaturated compounds
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- 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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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/61—Additives non-macromolecular inorganic
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- 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
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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Abstract
The invention discloses drag reduction height in a kind of double solidification pipelines of one pack system to adapt to acrylic acid epoxy coating and preparation method thereof, reactive diluent and other resins are first successively put into stirred tank by the present invention, are then stirred evenly dispersing agent, defoaming agent addition, are put into powder under high-speed stirred, it is sanded after stirring evenly, inorganic gel is added, is slowly stirring at low speed the remaining auxiliary agent of lower addition, then ceramic is added in slow low speed, it stirs evenly, finally plus benzoin isobutyl ether and 819 auxiliary agents, it filters and packages, coating can be obtained.The present invention is prepared into coating using double cured stereoscopic multi-layers time dryings, is easy to use, improves construction efficiency, and promote various aspects of performance, greatly save the energy, is suitble to batch production operation.
Description
Technical field
The invention belongs to paint field, in particular to drag reduction height adapts to acrylic acid epoxy in the double solidification pipelines of a kind of one pack system
Coating and preparation method thereof.
Background technique
There is great economy meaning with pipeline liquids and gases.Due to pipeline transportation raw material itself or contain miscellaneous
Matter has corrosivity, and also will increase interfacial resistance.Over time, the abrasion and destruction of pipeline are inevitable mistakes
Journey.In order to which the efficiency of conveying does not decline, in order to extend the service life of pipeline, it is required for taking safeguard procedures.Wherein anti-corrosion
Anti-drag paint is relatively common in the protective coating of inner surface.The coating system overwhelming majority uses solvent-type double-component coating.Though
It is so easy to operate, but due to being solvent based coating, it is that injury is bigger for environment and user, has in secure context great
Hidden danger.
For anti-drag paint based on solvent type epoxy, pipeline has all used interior coating in America and Europe.Host agent is hard resin, solidification
Agent is polyamide.The country starts external product on probation in transfering natural gas from the west to the east.Interior anti-drag paint self-produced at present is also with macromolecule
Epoxy and polyamide are prepared.Coating process generally use it is first outside and then inside, first apply 3LPE coating, then apply in drag-reducing coating, pressure
In 3-5MPa.Interior drag-reducing coating is usually in the dry 1h of 60 degree of drying chambers.
Anti-drag paint is solvent based coating in existing (country) large-scale pipeline.And the deficiency of solvent based coating is: VOC
Content is high, not environmentally, is easy explosion, and the stability of operability and the coating storage of construction is poor, in solvent volatilization process, paint film
It is easy to appear pin hole, the volatilization of solvent is not thorough etc., and factors all can cause to perplex to mechanical performance, antiseptic property.With to these
The limitation of organic volatile in large-scale pipeline coating used in field, solvent based coating will be gradually by environment-friendly type coating institute's generations
It replaces.
Wherein, China's application CN101974282A discloses a kind of pipeline anti-drag wear-resistant solvent-free coating and its preparation side
Method, which does not use volatile organic solvent, beneficial to environmental protection, but due to thin film-forming method mechanism, unavoidably attached
Put forth effort, all various aspects such as wearability it is defective, and condition of cure is single, cannot face complex situations, and adaptability is inadequate, such as
The surface for having humidity big is difficult to operate with.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides drag reduction height in a kind of double solidification pipelines of one pack system to adapt to propylene
Sour epoxy coating and preparation method thereof, passes through.
Specific technical solution according to the present invention is as follows:
Drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system, which is characterized in that presses mass fraction
Counting raw material includes following components: 20-25 parts of epoxymethacrylate, 5-10 parts of trimethylol-propane trimethacrylate,
18-23 parts of unsaturated polyester (UP), 5-15 parts of reactive diluent, 0.4 part of phosphonate dispersants, 0.1-0.3 parts of organic dispersing agent, defoaming
It is 0.2-0.4 parts of agent, 15 parts of iron oxide red, 0-4 parts of molybdenum phosphate zinc, 6-10 parts of barium sulfate, 5-10 parts of silicon powder, PTFE3 parts, inorganic
0-0.3 parts of gel, 0.3-0.6 parts of silane coupling agent, 0.3-0.5 parts of levelling agent, 0-0.1 parts of defoaming agent, modified ketimine 3-5
Part, 0-5 parts of ceramic, 2-2.2 parts of benzoin isobutyl ether, 819 0.5-1 parts of auxiliary agents.
The present invention uses epoxymethacrylate, trimethylol-propane trimethacrylate and unsaturated polyester (UP) for tree
Aliphatic radical body, this 3 kinds of resins are indispensable component, and unsaturated polyester (UP) has unsaturated double-bond, can cause and cause to be copolymerized, first
Base acrylic acid epoxy ester or trimethylol-propane trimethacrylate cannot be individually copolymerized, it is necessary to have unsaturated polyester (UP), i.e. first
Base acrylic acid epoxy ester and trimethylol-propane trimethacrylate respectively with unsaturated polyester (UP) polymerization reaction and metering system
Sour epoxy-ester, with unsaturated polyester (UP) copolyreaction, is prepared into coating together with trimethylol-propane trimethacrylate.
The unsaturated polyester (UP) is the thermosetting resin of the unsaturated line style obtained with binary acid and dihydric alcohol polycondensation, can be with
By causing unsaturated bond, cause free radical copolyreaction between monomer.To make the molecular structure of line style be converted into 3 D stereo
Network structure.
The reactive diluent is the low molecular weight substance that may participate in reaction.Reactive diluent can reduce the glutinous of system
Degree, eventually becomes a part of crosslinked structure.
The organic dispersing agent is the polycarboxylate of Long carbon chain, and comb-type structure, the group of anchoring is with Van der Waals force hydrogen bond etc.
It is gathered in the surface of pigments and fillers particle, and pigments and fillers particle is isolated with steric hindrance in the side chain of solvation.
The inorganic gel is mainly the silicate minerals such as bentonite, plays the effect of anti-settling thickening.Inorganic gel quilt
After a large amount of infiltrations, interlayer cation long-chain is raised, and spacing becomes larger, and end face and level are associated with pseudoplastic.Have when production certain
Viscosity is conducive to beat fineness.It maintains a good state, constructs smooth when finished product.
The modified ketimine is formed by ketone and polyamine condensation.Ketimide, which meets water, can occur backward reaction, regenerate
Polyamine polyamine can be used for the solidification of epoxy resin coating.Modified ketimine is latent curing agent.
The trimethylol-propane trimethacrylate the preparation method comprises the following steps:
(1) raw material includes following components according to the mass fraction: 16 parts of trimethylolpropane, 34 parts of methacrylic acid, and oxidation
Cuprous 0.1 part, 0.5 part of hydroquinone, 50 parts of benzene, 2 parts of the concentrated sulfuric acid；
The cuprous oxide catalysis agent catalytic efficiency of use is good, and being used alone can be unstable, and the concentrated sulfuric acid has highly acid and strong
Protonation ability reduces reaction activity.Its water imbibition plays the role of changing balance, promotes forward reaction.After the two collaboration, effect
Rate is high, carries out fully reacting；
(2) raw material is successively put into reaction kettle, stirring is warming up to 70 DEG C simultaneously, and the concentrated sulfuric acid is added dropwise in 10min, and control is warm
Degree, to reflux, obtains esterifying liquid at 80 DEG C；
(3) NaHCO will be saturated3Salt water is added in esterifying liquid, removes water layer after stirring stratification, collects organic phase, then
Saturation ammonial brine is washed away into copper ion, being washed till pH value is 5 end, and benzene is removed in vacuum distillation, cools to 40 degree hereinafter, obtaining trihydroxy methyl
Propane trimethyl acrylic ester.
Drag reduction height adapts to the preparation method of acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system, which is characterized in that
The preparation method is that:
(1) reactive diluent, epoxymethacrylate, trimethylol-propane trimethacrylate and unsaturation are gathered
Ester resin is successively put into, and phosphonate dispersants, organic dispersing agent, defoaming agent are added and are stirred evenly；
(2) iron oxide red, molybdenum phosphate zinc, barium sulfate, silicon powder, PTFE are put under high velocity agitation, after mixing evenly sand
40 microns of fineness are milled to, inorganic gel is added, stirs evenly；
(3) lower addition silane coupling agent, levelling agent, defoaming agent and modified ketimine are slowly being stirred at low speed, delayed after stirring
Ceramic is added in slow low speed, stirs evenly, and finally plus benzoin isobutyl ether and 819 auxiliary agents, filters and packages, can obtain coating.
The revolving speed of the high-speed stirred is 1000~2000r/min；The revolving speed stirred at low speed be 100~
300r/min。
The invention has the benefit that
(1) present invention is dry using double cured stereoscopic multi-layers time, i.e. photocuring, moisturecuring.Wherein, photocuring is to utilize
Sensitiser absorption luminous energy generates living radical, and the low-molecular-weight resin with unsaturated bond is promoted to participate in reaction.Moisturecuring is
Amine can be decomposed by the effect of moisture using modified ketimide, amine reacts with epoxy at normal temperature.This can be true
The surface construction big in humidity is protected, modified ketimide is more advantageous to latent, humidity increase, accelerates hydrolysis, participation reaction, by light
Solidification and moisturecuring are combined together the double solidifications of progress, also can be thermally cured, adaptation to local conditions, are easy to use, raising is applied if necessary
Work efficiency rate, and various aspects of performance is promoted, the energy is greatlyd save, batch production operation is suitble to；
(2) different photosensitizers collocation use can cover different wave-length coverages.In the present invention by benzoin isobutyl ether and
The collocation of 819 auxiliary agents uses, and has synergistic effect, benzoin isobutyl ether and 819 auxiliary agents cover different wave-length coverages, property after cooperation
It can improve, be particularly suitable for factory lines production, solidify within several seconds, efficiency is quite high；
(3) ceramic is added in the present invention in formulation for coating material, since the corrosion resistant of coating can be improved in the inertia of ceramic
Erosion, and since ceramic is in the glass phase compact texture of crosslinking, it can infiltration of the curtain coating to water, oxygen, ion；Phosphorus is added
Sour molybdenum zinc can dissolve in the water that coating penetrates into, and phosphate radical and metal ion form non-dynamic chelate protective film, molybdenum ion
Presence can enhance the resistance to polarizability in surface, increase Stability of Passive Film；Silicon powder is added, since its chemical property is stablized, can mention
The corrosion-resistant and wearability of high coating；It is subtle that iron oxide red particle is added, physics antirust ability can be enhanced, good closing can be played and made
With；The PTFE of addition has lubricating action, can promote the finish of coating；So using the synergistic effect of filler in coating, it can
The solidification for promoting coating is strengthened, and the performances such as machinery are improved；
(4) in interior anti-drag paint of the invention, volatile solvent use is effectively reduced, poisonous and harmful substance is avoided, thus
The environmental protection and safety of coating are improved, and the coating can face complex situations, wide adaptability, for the surface for having humidity big
It can be operated with；
(5) in one pack system double curing coating prepared by the present invention, by it is double solidify, the whole of pigment, filler, auxiliary agent is transported
With, act synergistically, can effectively be promoted coating mechanical performance, chemical property and drag reduction effect, and one-component coating energy conservation increase
Effect, adaptability are wider, change that traditional bi-component, drying time be normal, the demanding mode in bottom surface, obtain in interior anti-drag paint
Major progress.
Specific embodiment
Embodiment 1
(1) drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system
Raw material includes following components formula according to the mass fraction:
It is 23 parts of epoxymethacrylate, 8 parts of trimethylol-propane trimethacrylate, 20 parts of unsaturated polyester (UP), living
9 parts of diluent of property, 0.4 part of phosphonate dispersants, 0.2 part of organic dispersing agent, 0.2 part of defoaming agent, 15 parts of iron oxide red, molybdenum phosphate
4 parts of zinc, 6 parts of barium sulfate, 10 parts of silicon powder, PTFE3 parts, 0.2 part of inorganic gel, 0.5 part of silane coupling agent, 0.3 part of levelling agent,
3 parts of modified ketimine, 3 parts of ceramic, 2 parts of benzoin isobutyl ether, 819 0.5 part of auxiliary agents.
(2) preparation of trimethylol-propane trimethacrylate
(1) raw material includes following components according to the mass fraction: 16 parts of trimethylolpropane, 34 parts of methacrylic acid, and oxidation
Cuprous 0.1 part, 0.5 part of hydroquinone, 50 parts of benzene, 2 parts of the concentrated sulfuric acid；
(2) raw material is successively put into, 70 DEG C is warming up under stirring, the concentrated sulfuric acid is dripped in 10min, control temperature is warming up to
Reflux.NaHCO will be saturated3Salt water is added in esterifying liquid, removes water layer after stirring stratification, collects organic phase, then will saturation
Ammonial brine washes away copper ion, and being washed till pH value is 5 end, and benzene is removed in vacuum distillation, cools to 40 degree hereinafter, obtaining trimethylolpropane tris
Methacrylate.
(3) drag reduction height adapts to the preparation of acrylic acid epoxy coating in the double solidification pipelines of one pack system
(1) reactive diluent, epoxymethacrylate, trimethylol-propane trimethacrylate and unsaturation are gathered
Ester resin is successively put into, and phosphonate dispersants, organic dispersing agent, defoaming agent are added and are stirred evenly；
(2) iron oxide red, molybdenum phosphate zinc, barium sulfate, silicon powder, PTFE are put under high velocity agitation, after mixing evenly sand
40 microns of fineness are milled to, inorganic gel is added, stirs evenly；
(3) lower addition silane coupling agent, levelling agent, defoaming agent and modified ketimine are slowly being stirred at low speed, delayed after stirring
Ceramic is added in slow low speed, stirs evenly, and finally plus benzoin isobutyl ether and 819 auxiliary agents, filters and packages, can obtain coating.
Solidified using photocuring+moisturecuring, use environment: can be operated on the big surface of humidity, and
And curing time is fast, paint film property is good.
It tests indices: making sheet being carried out according to GB 1727-92, applies 70~80 μm of film thickness.7d is placed at 25 ± 2 DEG C
Afterwards, its performance is tested.
Test result are as follows:
Embodiment 2
(1) drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system
Raw material includes following components formula according to the mass fraction:
It is 25 parts of epoxymethacrylate, 8 parts of trimethylol-propane trimethacrylate, 22 parts of unsaturated polyester (UP), living
9 parts of diluent of property, 0.4 part of phosphonate dispersants, 0.3 part of organic dispersing agent, 0.2 part of defoaming agent, 15 parts of iron oxide red, molybdenum phosphate
4 parts of zinc, 6 parts of barium sulfate, 10 parts of silicon powder, PTFE3 parts, 0.2 part of inorganic gel, 0.5 part of silane coupling agent, 0.3 part of levelling agent,
5 parts of modified ketimine, 3 parts of ceramic, 2 parts of benzoin isobutyl ether, 819 0.5 part of auxiliary agents.
(2) preparation of trimethylol-propane trimethacrylate
(1) raw material includes following components according to the mass fraction: 16 parts of trimethylolpropane, 34 parts of methacrylic acid, and oxidation
Cuprous 0.1 part, 0.5 part of hydroquinone, 50 parts of benzene, 2 parts of the concentrated sulfuric acid；
(2) raw material is successively put into, 70 DEG C is warming up under stirring, the concentrated sulfuric acid is dripped in 10min, control temperature is warming up to
Reflux.NaHCO will be saturated3Salt water is added in esterifying liquid, removes water layer after stirring stratification, collects organic phase, then will saturation
Ammonial brine washes away copper ion, and being washed till pH value is 5 end, and benzene is removed in vacuum distillation, cools to 40 DEG C hereinafter, obtaining trimethylolpropane tris
Methacrylate.
(3) drag reduction height adapts to the preparation of acrylic acid epoxy coating in the double solidification pipelines of one pack system
(1) reactive diluent, epoxymethacrylate, trimethylol-propane trimethacrylate and unsaturation are gathered
Ester resin is successively put into, and phosphonate dispersants, organic dispersing agent, defoaming agent are added and are stirred evenly；
(2) iron oxide red, molybdenum phosphate zinc, barium sulfate, silicon powder, PTFE are put under high velocity agitation, after mixing evenly sand
40 microns of fineness are milled to, inorganic gel is added, stirs evenly；
(3) lower addition silane coupling agent, levelling agent, defoaming agent and modified ketimine are slowly being stirred at low speed, delayed after stirring
Ceramic is added in slow low speed, stirs evenly, and finally plus benzoin isobutyl ether and 819 auxiliary agents, filters and packages, can obtain coating.
Solidified using photocuring+moisturecuring, use environment: can be operated on the big surface of humidity, and
And curing time is fast, paint film property is good.
It tests indices: making sheet being carried out according to GB 1727-92, applies 70~80 μm of film thickness.25 ± 2 degree of lower placement 7d
Afterwards, its performance is tested.
Test result is
Embodiment 3
(1) drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system
Raw material includes following components formula according to the mass fraction:
It is 20 parts of epoxymethacrylate, 10 parts of trimethylol-propane trimethacrylate, 20 parts of unsaturated polyester (UP), living
9 parts of diluent of property, 0.4 part of phosphonate dispersants, 0.2 part of organic dispersing agent, 0.2 part of defoaming agent, 15 parts of iron oxide red, molybdenum phosphate
3 parts of zinc, 9 parts of barium sulfate, 5 parts of modified ketimine, 10 parts of silicon powder, 0.2 part of inorganic gel, 0.5 part of silane coupling agent, levelling agent
0.3 part, 3 parts of ceramic, 2 parts of benzoin isobutyl ether, 819 0.5 part of auxiliary agents.
(2) preparation of trimethylol-propane trimethacrylate
(1) raw material includes following components according to the mass fraction: 16 parts of trimethylolpropane, 34 parts of methacrylic acid, and oxidation
Cuprous 0.1 part, 0.5 part of hydroquinone, 50 parts of benzene, 2 parts of the concentrated sulfuric acid；
(2) raw material is successively put into, 70 DEG C is warming up under stirring, the concentrated sulfuric acid is dripped in 10min, control temperature is warming up to
Reflux.NaHCO will be saturated3Salt water is added in esterifying liquid, removes water layer after stirring stratification, collects organic phase, then will saturation
Ammonial brine washes away copper ion, and being washed till pH value is 5 end, and benzene is removed in vacuum distillation, cools to 40 DEG C hereinafter, obtaining trimethylolpropane tris
Methacrylate.
(3) drag reduction height adapts to the preparation of acrylic acid epoxy coating in the double solidification pipelines of one pack system
(1) reactive diluent, epoxymethacrylate, trimethylol-propane trimethacrylate and unsaturation are gathered
Ester resin is successively put into, and phosphonate dispersants, organic dispersing agent, defoaming agent are added and are stirred evenly；
(2) iron oxide red, molybdenum phosphate zinc, barium sulfate, silicon powder, PTFE are put under high velocity agitation, after mixing evenly sand
40 microns of fineness are milled to, inorganic gel is added, stirs evenly；
(3) lower addition silane coupling agent, levelling agent, defoaming agent and modified ketimine are slowly being stirred at low speed, delayed after stirring
Ceramic is added in slow low speed, stirs evenly, and finally plus benzoin isobutyl ether and 819 auxiliary agents, filters and packages, can obtain coating.
Solidified using photocuring+moisturecuring, use environment: can be operated on the big surface of humidity, and
And curing time is fast, paint film property is good.
It tests indices: making sheet being carried out according to GB 1727-92, applies 70~80 μm of film thickness.7d is placed at 25 ± 2 DEG C
Afterwards, its performance is tested.
Test result is
Embodiment 4
(1) drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system
Raw material includes following components formula according to the mass fraction:
It is 23 parts of epoxymethacrylate, 8 parts of trimethylol-propane trimethacrylate, 20 parts of unsaturated polyester (UP), living
9 parts of diluent of property, 0.4 part of phosphonate dispersants, 0.2 part of organic dispersing agent, 0.2 part of defoaming agent, 15 parts of iron oxide red, molybdenum phosphate
4 parts of zinc, 6 parts of barium sulfate, 10 parts of silicon powder, PTFE3 parts, 0.2 part of inorganic gel, 0.5 part of silane coupling agent, 0.3 part of levelling agent,
3 parts of ceramic, 2 parts of benzoin isobutyl ether, 819 0.5 part of auxiliary agents.
(2) preparation of trimethylol-propane trimethacrylate
(1) raw material includes following components according to the mass fraction: 16 parts of trimethylolpropane, 34 parts of methacrylic acid, and oxidation
Cuprous 0.1 part, 0.5 part of hydroquinone, 50 parts of benzene, 2 parts of the concentrated sulfuric acid；
(2) raw material is successively put into, 70 DEG C is warming up under stirring, the concentrated sulfuric acid is dripped in 10min, control temperature is warming up to
Reflux.NaHCO will be saturated3Salt water is added in esterifying liquid, removes water layer after stirring stratification, collects organic phase, then will saturation
Ammonial brine washes away copper ion, and being washed till pH value is 5 end, and benzene is removed in vacuum distillation, cools to 40 degree hereinafter, obtaining trimethylolpropane tris
Methacrylate.
(3) drag reduction height adapts to the preparation of acrylic acid epoxy coating in the double solidification pipelines of one pack system
(1) reactive diluent, epoxymethacrylate, trimethylol-propane trimethacrylate and unsaturation are gathered
Ester resin is successively put into, and phosphonate dispersants, organic dispersing agent, defoaming agent are added and are stirred evenly；
(2) iron oxide red, molybdenum phosphate zinc, barium sulfate, silicon powder, PTFE are put under high velocity agitation, after mixing evenly sand
40 microns of fineness are milled to, inorganic gel is added, stirs evenly；
(3) lower addition silane coupling agent, levelling agent, defoaming agent and modified ketimine are slowly being stirred at low speed, delayed after stirring
Ceramic is added in slow low speed, stirs evenly, and finally plus benzoin isobutyl ether and 819 auxiliary agents, filters and packages, can obtain coating.
Photocuring can only be used, use environment: cannot be operated on the big surface of humidity, and curing time is fast,
Paint film property reduces.
It tests indices: making sheet being carried out according to GB 1727-92, applies 70~80 μm of film thickness.7d is placed at 25 ± 2 DEG C
Afterwards, its performance is tested.
Test result is
Embodiment 5
(1) drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system
Raw material includes following components formula according to the mass fraction:
It is 23 parts of epoxymethacrylate, 8 parts of trimethylol-propane trimethacrylate, 20 parts of unsaturated polyester (UP), living
9 parts of diluent of property, 0.4 part of phosphonate dispersants, 0.2 part of organic dispersing agent, 0.2 part of defoaming agent, 15 parts of iron oxide red, molybdenum phosphate
4 parts of zinc, 6 parts of barium sulfate, 10 parts of silicon powder, PTFE3 parts, 0.2 part of inorganic gel, 0.5 part of silane coupling agent, 0.3 part of levelling agent,
3 parts of modified ketimine, 3 parts of ceramic.
(2) preparation of trimethylol-propane trimethacrylate
(1) raw material includes following components according to the mass fraction: 16 parts of trimethylolpropane, 34 parts of methacrylic acid, and oxidation
Cuprous 0.1 part, 0.5 part of hydroquinone, 50 parts of benzene, 2 parts of the concentrated sulfuric acid；
(2) raw material is successively put into, 70 DEG C is warming up under stirring, the concentrated sulfuric acid is dripped in 10min, control temperature is warming up to
Reflux.NaHCO will be saturated3Salt water is added in esterifying liquid, removes water layer after stirring stratification, collects organic phase, then will saturation
Ammonial brine washes away copper ion, and being washed till pH value is 5 end, and benzene is removed in vacuum distillation, cools to 40 degree hereinafter, obtaining trimethylolpropane tris
Methacrylate.
(3) drag reduction height adapts to the preparation of acrylic acid epoxy coating in the double solidification pipelines of one pack system
(1) reactive diluent, epoxymethacrylate, trimethylol-propane trimethacrylate and unsaturation are gathered
Ester resin is successively put into, and phosphonate dispersants, organic dispersing agent, defoaming agent are added and are stirred evenly；
(2) iron oxide red, molybdenum phosphate zinc, barium sulfate, silicon powder, PTFE are put under high velocity agitation, after mixing evenly sand
40 microns of fineness are milled to, inorganic gel is added, stirs evenly；
(3) lower addition silane coupling agent, levelling agent, defoaming agent and modified ketimine are slowly being stirred at low speed, delayed after stirring
Ceramic is added in slow low speed, stirs evenly, and finally plus benzoin isobutyl ether and 819 auxiliary agents, filters and packages, can obtain coating.
Solidifying under 60 DEG C of environment, use environment: can be operated on the big surface of humidity, curing time is slow,
Paint film property reduces.
It tests indices: making sheet being carried out according to GB 1727-92, applies 70~80 μm of film thickness.7d is placed at 25 ± 2 DEG C
Afterwards, its performance is tested.
Test result is
Embodiment 6
(1) drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system
Raw material includes following components formula according to the mass fraction:
30 parts of epoxymethacrylate, 20 parts of unsaturated polyester (UP), 9 parts of reactive diluent, 0.4 part of phosphonate dispersants,
0.2 part of organic dispersing agent, 0.2 part of defoaming agent, 15 parts of iron oxide red, 4 parts of molybdenum phosphate zinc, 6 parts of barium sulfate, 10 parts of silicon powder,
PTFE3 parts, 0.2 part of inorganic gel, 0.5 part of silane coupling agent, 0.3 part of levelling agent, 3 parts of modified ketimine, 3 parts of ceramic,
2 parts of benzoin isobutyl ether, 819 0.5 part of auxiliary agents.
(2) drag reduction height adapts to the preparation of acrylic acid epoxy coating in the double solidification pipelines of one pack system
(1) reactive diluent, epoxymethacrylate and unsaturated polyester resin are successively put into, phosphate is dispersed
Agent, organic dispersing agent, defoaming agent are added and stir evenly；
(2) iron oxide red, molybdenum phosphate zinc, barium sulfate, silicon powder, PTFE are put under high velocity agitation, after mixing evenly sand
40 microns of fineness are milled to, inorganic gel is added, stirs evenly；
(3) lower addition silane coupling agent, levelling agent, defoaming agent and modified ketimine are slowly being stirred at low speed, delayed after stirring
Ceramic is added in slow low speed, stirs evenly, and finally plus benzoin isobutyl ether and 819 auxiliary agents, filters and packages, can obtain coating.
Using photocuring+moisturecuring.It tests indices: making sheet being carried out according to GB 1727-92, applies 70~80 μ of film thickness
m.After placing 7d at 25 ± 2 DEG C, its performance is tested.
Test result is
Trimethylol-propane trimethacrylate is not added in coating in comparative example 1, lacks hydroxymethyl-propane
Trimethyl acrylic ester and unsaturated polyester (UP) are copolymerized, and paint film property is substantially reduced.
Embodiment 7
Embodiment 7 is compared with embodiment 4, and 819 auxiliary agents are lacked in the component formula of raw material.Other ingredients and preparation method phase
Together.
Raw material includes following components formula according to the mass fraction:
It is 23 parts of epoxymethacrylate, 8 parts of trimethylol-propane trimethacrylate, 20 parts of unsaturated polyester (UP), living
9 parts of diluent of property, 0.4 part of phosphonate dispersants, 0.2 part of organic dispersing agent, 0.2 part of defoaming agent, 15 parts of iron oxide red, molybdenum phosphate
4 parts of zinc, 6 parts of barium sulfate, 10 parts of silicon powder, PTFE3 parts, 0.2 part of inorganic gel, 0.5 part of silane coupling agent, 0.3 part of levelling agent,
3 parts of modified ketimine, 3 parts of ceramic, 2 parts of benzoin isobutyl ether.
Using photocuring, indices are tested: making sheet being carried out according to GB 1727-92, applies 70~80 μm of film thickness.25±2
After placing 7d at DEG C, its performance is tested.Compared with Example 4, lack 819 auxiliary agents, photocuring wave-length coverage reduces, when photocuring
Between increase.
Test result is
Claims (8)
1. drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system, which is characterized in that according to the mass fraction
Raw material includes following components: 20-25 parts of epoxymethacrylate, 5-10 parts of trimethylol-propane trimethacrylate, no
18-23 parts of saturated polyester, 5-15 parts of reactive diluent, 0.4 part of phosphonate dispersants, 0.1-0.3 parts of organic dispersing agent, defoaming agent
It is 0.2-0.4 parts, 15 parts of iron oxide red, 0-4 parts of molybdenum phosphate zinc, 6-10 parts of barium sulfate, 5-10 parts of silicon powder, PTFE3 parts, inorganic solidifying
0-0.3 parts of glue, 0.3-0.6 parts of silane coupling agent, 0.3-0.5 parts of levelling agent, 0-0.1 parts of defoaming agent, 3-5 parts of modified ketimine,
0-5 parts of ceramic, 2-2.2 parts of benzoin isobutyl ether, 0.5-1 parts of 819 auxiliary agent of photoinitiator.
2. drag reduction height adapts to acrylic acid epoxy coating in the double solidification pipelines of one pack system as described in claim 1, it is characterised in that:
The unsaturated polyester (UP) is the thermosetting resin of the unsaturated line style obtained with binary acid and dihydric alcohol polycondensation.
3. drag reduction height adapts to acrylic acid epoxy coating in the double solidification pipelines of one pack system as described in claim 1, it is characterised in that:
The organic dispersing agent is the polycarboxylate of the Long carbon chain of comb-type structure.
4. drag reduction height adapts to acrylic acid epoxy coating in the double solidification pipelines of one pack system as described in claim 1, it is characterised in that:
The inorganic gel is bentonite.
5. drag reduction height adapts to acrylic acid epoxy coating in the double solidification pipelines of one pack system as described in claim 1, it is characterised in that:
The modified ketimine is formed by ketone and polyamine condensation.
6. drag reduction height adapts to acrylic acid epoxy coating in the double solidification pipelines of one pack system as described in claim 1, it is characterised in that:
The trimethylol-propane trimethacrylate the preparation method comprises the following steps:
(1) raw material includes following components according to the mass fraction: 16 parts of trimethylolpropane, 34 parts of methacrylic acid, and cuprous oxide
0.1 part, 0.5 part of hydroquinone, 50 parts of benzene, 2 parts of the concentrated sulfuric acid；
(2) raw material is successively put into reaction kettle, stirring while is warming up to 70 DEG C, the concentrated sulfuric acid is added dropwise in 10min, is warming up to back
Stream, maintains the reflux for time 15min, obtains esterifying liquid；
(3) NaHCO will be saturated3Salt water is added in esterifying liquid, removes water layer after stirring stratification, collects organic phase, then will saturation
Ammonial brine washes away copper ion, and being washed till pH value is 5 end, and benzene is removed in vacuum distillation, cools to 40 DEG C hereinafter, obtaining trimethylolpropane tris
Methacrylate.
7. drag reduction height adapts to acrylic acid epoxy coating in a kind of double solidification pipelines of one pack system as claimed in any one of claims 1 to 6
Preparation method, it is characterised in that: the preparation method is that:
(1) by reactive diluent, epoxymethacrylate, trimethylol-propane trimethacrylate and unsaturated polyester (UP) tree
Rouge successively puts into stirred tank, then phosphonate dispersants, organic dispersing agent, defoaming agent are added and are stirred evenly；
(2) under high velocity agitation put into iron oxide red, molybdenum phosphate zinc, barium sulfate, silicon powder, PTFE, be sanded after mixing evenly to
40 microns of fineness, inorganic gel is added, stirs evenly；
(3) lower addition silane coupling agent, levelling agent, defoaming agent and modified ketimine are being stirred at low speed, is being stirring evenly and then adding into pottery
Porcelain micro mist continues to stir evenly, and finally plus benzoin isobutyl ether and 819 auxiliary agents, filters and packages, can obtain coating.
8. drag reduction height adapts to the preparation method of acrylic acid epoxy coating in the double solidification pipelines of one pack system as claimed in claim 7,
It is characterized by: the revolving speed of high-speed stirred described in step (2) is 1000~2000r/min；Step stirs at low speed described in (3)
Revolving speed be 100~300r/min.
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| CN113698868A (en) * | 2021-08-20 | 2021-11-26 | 四川泰诺斯新材料科技有限公司 | High-performance water-based steel drum inner wall coating and preparation method thereof |
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|---|---|---|---|---|
| CN107916052A (en) * | 2017-12-14 | 2018-04-17 | 徐州隆邦家具有限公司 | A kind of low energy cures unsaturated polyester (UP) coatings for furniture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107916052A (en) * | 2017-12-14 | 2018-04-17 | 徐州隆邦家具有限公司 | A kind of low energy cures unsaturated polyester (UP) coatings for furniture |
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| CN113698868A (en) * | 2021-08-20 | 2021-11-26 | 四川泰诺斯新材料科技有限公司 | High-performance water-based steel drum inner wall coating and preparation method thereof |
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