CN104927565B - Water proof type solventless epoxy resin coating and its construction method in drinking water project - Google Patents
Water proof type solventless epoxy resin coating and its construction method in drinking water project Download PDFInfo
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Abstract
The invention provides water proof type solventless epoxy resin coating in a kind of drinking water project, the solventless epoxy resin coating includes component A and B component；The component A includes epoxy resin, epoxy active diluent, additive, filler and pigment；The B component includes modified multicomponent amine；The ratio of each material is in solventless epoxy resin coating：Epoxy resin is 80~100 parts by weight, and epoxy active diluent is 10~20 parts by weight, and additive is 3~10 parts by weight, and filler is 55~155 parts by weight, and pigment 0,5~3 parts by weight, modified multicomponent amine are 80~120 parts by weight；The epoxy active diluent is at least one of lauryl diglycidyl ether, 1,4 butanediol diglycidyl ethers, ethylene glycol diglycidylether；The additive includes at least one of levelling agent, auxiliary rheological agents, dispersant, ground wetting agent, defoamer and ultra-violet absorber；The filler includes titanium dioxide, talcum powder, wet method sericite in powder, wollastonite in powder and ceramic powder.
Description
Technical field
The present invention relates to field of material technology, water proof type solvent-free epoxy resin in more particularly to a kind of drinking water project
The construction method of water proof type solventless epoxy resin coating in coating, and a kind of drinking water project.
Background technology
Current drinking water pond waterproof construction mode has following several：One of which is that SBS coiled materials and protective layer are combined, first
Construction SBS coiled materials, protective layer of further being constructed on coiled material；One kind is polymer cement mortar, also polyurethane coating film and guarantor
The waterproof material that waterproof material, the waterproof material of cement-base infiltration crystallization and the EPDM that sheath is combined are combined with non-woven fabrics.
At present, above-mentioned waterproof material is frequently the problem that：
1st, when SBS coiled materials are constructed, itself it is unable to that basal plane concrete is closely connected, also the junction surface room between coiled material is weakness
Link, it is careless slightly that whole water-proof system can be caused to fail；Secondly, moisture breaks through cement mortar protective course once permeating, with sbs
Coiled material be rubber asphalt waterproofing coiled material Long Term Contact after, drinking water quality may be polluted, it is therefore desirable to very thick cement
Mortar cover, protective layer needs maintenance 2 weeks or so.Operating expenses is not only increased, has also delayed the construction period.
2nd, polyurethane coating film much contains in organic solvent, long period of soaking water, and water quality may be impacted.
3rd, cement-base infiltration crystallization, curing time is long, delays the duration.
4th, EPDM performances are good, but uneconomical, and operating expenses is high.
The content of the invention
The technical problems to be solved by the invention are to provide water proof type solvent-free epoxy resin in a kind of drinking water project and applied
The construction method of water proof type solventless epoxy resin coating in material and a kind of drinking water project, it is above-mentioned with all or part of solution
Technical problem.
In order to solve the above problems, applied the invention discloses water proof type solvent-free epoxy resin in a kind of drinking water project
Material, the solventless epoxy resin coating includes component A and B component；The component A includes epoxy resin, epoxy-reactive and diluted
Agent, additive, filler and pigment；
The B component includes modified multicomponent amine；
The ratio of each material is in the solventless epoxy resin coating：The epoxy resin is 80~100 parts by weight, institute
Epoxy active diluent is stated for 10~20 parts by weight, the additive is 3~10 parts by weight, the filler is 55~155 weight
Part, the parts by weight of pigment 0.5~3, the modified multicomponent amine is 80~120 parts by weight；
The epoxy active diluent is lauryl diglycidyl ether, 1,4- butanediol diglycidyl ethers, ethylene glycol
At least one of diglycidyl ether；
The additive includes levelling agent, auxiliary rheological agents, dispersant, ground wetting agent, defoamer and ultra-violet absorber
At least one of；
The ratio of each material is in the additive：The levelling agent be 0.5~2 parts by weight, the auxiliary rheological agents be 1~
6 parts by weight, the dispersant is 0.5~3 parts by weight, and the ground wetting agent is 0.5~3 parts by weight, and the defoamer is 0.3
~3 parts by weight, the ultra-violet absorber is 1~3 parts by weight；
The filler includes titanium dioxide, talcum powder, wet method sericite in powder, wollastonite in powder and ceramic powder；
The ratio of each material is that the titanium dioxide is 8~15 parts by weight in the filler, and the talcum powder is 30~60 weights
Part is measured, the wet method sericite in powder is 15~30 parts by weight, and the wollastonite in powder is 15~30 parts by weight, and the ceramic powder is 15
~2 parts by weight.
Preferably, the epoxy resin is bisphenol A type epoxy resin, polyurethane modified epoxy resin and rubber modified epoxy
The one or two kinds of of resin.
Preferably, the modified multicomponent amine is modified aliphatic polyamine, modified polyamide polyamine and modified cycloaliphatic
The one or several kinds of polyamine.
Preferably, the titanium dioxide is rutile type titanium white；The wollastonite in powder is needle shape wollastonite powder.
Preferably, the levelling agent is the one or two kinds of in polyacrylate and polysiloxane；
The auxiliary rheological agents are meteorological silica, 1-METHYLPYRROLIDONE, a kind of or several in rilanit special etc.
Kind.
Preferably, the dispersant is organosilicon wetting dispersing agent；
The ground wetting agent is silicone surfactant.
Preferably, the dispersant is byk220s type organosilicon wetting dispersing agents；
The ground wetting agent is byk347 type silicone surfactants.
Preferably, the defoamer is organic silicon defoamer or mineral oil antifoam agent.
Preferably, the sun-screening agent is hindered amine as light stabilizer or hydrophilic 2- (2- hydroxyphenyls)-benzotriazole ultraviolet
The liquid mixture of absorbent and hindered amine as light stabilizer.
Present invention also offers a kind of construction method of solventless epoxy resin coating as described above, including：
The component A is well mixed with the B component and obtains the solventless epoxy resin coating；
On the formation level of drinking water project, constructed by the way of brushing, roller coating or airless spraying described solvent-free
Epoxy coating.
Compared with prior art, the present invention includes advantages below：
The invention provides a kind of solventless epoxy resin coating, waterproof coating, including component A and B component can be used as；
The component A includes epoxy resin, epoxy active diluent, additive, filler and pigment；The B component includes modified multicomponent
Amine；The ratio of each material is in the solventless epoxy resin coating, and the epoxy resin is 80~100 parts by weight, the ring
Oxygen activity diluent is 10~20 parts by weight, and the additive is 3~10 parts by weight, and the filler is 55~155 parts by weight, institute
The parts by weight of pigment 0.5~3 are stated, the modified multicomponent amine is 80~120 parts by weight.
Compared to conventional epoxy coating, due to being used in curing agent after polyamine, film-forming, macromolecular end
Still there is free amino group, the proton or hydrated cation that free amino group may be combined in water cause free amino group to be shed to
In drinking water, there is injury to human body.Therefore polyamine is used in conventional curing agent, it is impossible to be used in the occasion of drinking water, the application
By changing curing agent, the macromolecular end free amino content replaced using modified multicomponent amine after polyamine, film-forming is subtracted
It is few.Even if Long Term Contact drinking water, the probability for having injury to human body can also be substantially reduced.Therefore the coating can construct in drinking water
Project, can directly contact drinking water.
Also, diluent such as dimethylbenzene, acetone etc. that conventional epoxies coating is used, after film forming solidification, in film still
So there is residual diluent, can be precipitate into applied to drinking water project in drinking water, there is injury to body, and the asphalt mixtures modified by epoxy resin of the present invention
Diluent used in fat is that reactive diluent is lauryl diglycidyl ether, 1,4- butanediol diglycidyl ethers, ethylene glycol two
At least one of glycidol ether, can participate in curing reaction, then can avoid the problem, while diluent can be played
The effect of viscosity is reduced, it is very safe applied to drinking water project.
Tradition is used for steel basal plane with anti-corrosion type epoxy coating, and common filler has aluminum phosphate, micaceous iron oxide
Etc. antirust filler, Long Term Contact drinking water may influence water quality, and the present invention is studied by long-term experiment, using certain ratio
Titanium dioxide, talcum powder, wet method sericite in powder, wollastonite in powder and the ceramic powder of example substitute above-mentioned filler, can avoid coating to water
The influence of matter.Also, the various composition in traditional anti-corrosion type epoxy coating for steel basal plane research and develop, cost it is higher and
Concrete surface, coating of the present invention are not suitable for it, it is adaptable to various basal planes：Steel basal plane, concrete surface, non-woven fabrics basal plane or
Person's liquid rubber basal plane.Wherein, talcum powder plays humidification, makes film forming more added with intensity；Wet method sericite in powder can strengthen into
Film-strength, and strengthen the anti-permeability of film forming, anticorrosion covers film forming higher with shield effectiveness；Wollastonite in powder is preferred
Using needle shape wollastonite powder, product weatherability can be strengthened, and film crackle can be reduced.
Also, titanium dioxide is preferred to use rutile type titanium white in the embodiment of the present invention, one of effect is for playing increasing
White effect, the two of effect is that can also absorb ultraviolet, protects in film forming remainder not by ultraviolet damage.
The epoxy resin of the embodiment of the present invention can use bisphenol A type epoxy resin, and film forming is harder, if increasing poly- ammonia
Ester modified epoxy resin or rubber modified epoxy resin, play a part of toughness reinforcing, it is to avoid easily the problem of embrittlement.Through actually testing
Card, the solventless epoxy resin coating of the embodiment of the present invention can directly contact drinking water, and its security meets the Ministry of Public Health's " life drink
Provided with water transmission ＆ distribution wetting system and protective materials safety evaluatio " in hygienic requirements on protective materials soaking water；In construction
When do not need construction in layer, can construct for one time, save the duration；Also, construction should not protective layer, save cost, can be with surface
It is attractive in appearance.
Brief description of the drawings
Fig. 1 is the construction party of water proof type solventless epoxy resin coating in a kind of drinking water project described in the embodiment of the present invention
The flow chart of method.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
The implementation process of the method for the invention is described in detail below by embodiment.
The invention provides water proof type solventless epoxy resin coating in a kind of drinking water project, the non-solvent epoxy tree
Grease coating material includes component A and B component.
Wherein, the component A includes epoxy resin, epoxy active diluent, additive, filler and pigment；The B component
Including modified multicomponent amine.
Specifically, the ratio of each material is in the solventless epoxy resin coating, the epoxy resin is 80~100 weights
Measure part, the epoxy active diluent be 10~20 parts by weight, the additive be 3~10 parts by weight, the filler be 55~
155 parts by weight, the parts by weight of pigment 0.5~3, the modified multicomponent amine is 80~120 parts by weight.
Compared to conventional epoxy coating, due to being used in curing agent after polyamine, film-forming, macromolecular end
Still there is free amino group, free amino group may combine proton or hydrated cation in water, and free amino group is shed to drink
With in water, and amino is strong basicity group, very big to human injury.Therefore polyamine is used in conventional curing agent, it uses model
Enclose and more limit to, the application replaces the macromolecular end after polyamine, film-forming using modified multicomponent amine by changing curing agent
Free amino group content is held to reduce.Even if Long Term Contact drinking water, the probability for having injury to human body can also be substantially reduced.Therefore the coating
It can construct in drinking water project, can directly contact drinking water.The diluent such as dimethylbenzene of conventional epoxies coating use,
Acetone etc., although after film forming solidification, diluent can volatilize, but still have in film after residual diluent, Long Term Contact drinking water,
Have an impact to water quality, can be precipitate into applied to drinking water project in drinking water, have injury to body.The epoxy resin institute of the present invention
It is that reactive diluent is lauryl diglycidyl ether, 1,4- butanediol diglycidyl ethers, the shrink of ethylene glycol two with diluent
At least one of glycerin ether, can participate in curing reaction, then can avoid the problem, while the reduction that can play diluent is glued
The effect of degree, it is very safe applied to drinking water project.
Wherein, the additive includes levelling agent, auxiliary rheological agents, dispersant, ground wetting agent, defoamer and ultraviolet suction
Receive agent.
Wherein, the ratio of each material is that levelling agent is 0.5~2 parts by weight in the additive, and auxiliary rheological agents are 1~6 weight
Part is measured, dispersant is 0.5~3 parts by weight, and ground wetting agent is 0.5~3 parts by weight, and defoamer is 0.3~3 parts by weight, ultraviolet
Light absorbers are 1~3 parts by weight.
Tradition is used for steel basal plane with anti-corrosion type epoxy coating, and common filler has aluminum phosphate, micaceous iron oxide
Etc. antirust filler, Long Term Contact drinking water may influence water quality, and the present invention is studied by long-term experiment, is removed these and is filled out
Material, above-mentioned filler is substituted using a certain proportion of titanium dioxide, talcum powder, wet method sericite in powder, wollastonite in powder and ceramic powder, can be with
Avoid influence of the coating to water quality.
Also, the various composition in traditional anti-corrosion type epoxy coating for steel basal plane research and develop, cost it is higher and
It is not suitable for concrete surface, and coating of the present invention, it is applicable to a variety of basal planes：Steel basal plane, concrete surface, nonwoven fabric base
Face or liquid rubber basal plane.
Wherein, talcum powder plays strengthening action, makes film forming more added with intensity；It is strong that wet method sericite in powder can not only strengthen film forming
Degree, and strengthen the anti-permeability of film forming, anticorrosion covers film forming higher with shield effectiveness；Wollastonite in powder is preferred to use
Needle shape wollastonite powder, can strengthen product weatherability, and can reduce film crackle.Wherein, the ratio of each material is in the filler
Titanium dioxide is 8~15 parts by weight, and talcum powder is 30~60 parts by weight, and wet method sericite in powder is 15~30 parts by weight, wollastonite in powder
For 15~30 parts by weight, ceramic powder is 15~2 parts by weight.
Through actual verification, drinking water can directly be contacted using the solventless epoxy resin coating of above-mentioned preparation, its security
Meet in Ministry of Public Health's " Drinking Water transmission ＆ distribution wetting system and protective materials safety evaluatio regulation " on protective materials soaking water
Hygienic requirements；Construction in layer is not needed in construction, can be constructed for one time, the duration is saved；Also, construction should not protective layer, section
Cost is saved, can be with surface aesthetic.
When specifically preparing solventless epoxy resin coating, epoxy resin, epoxy active diluent, additive can be mixed
Disperse some time at a high speed afterwards, add filler and pigment, continue scattered 1h at a high speed.In this dispersion process, open condensation and follow
Ring water, maintains temperature at 20 to 40 °.After stirring terminates, grinding is directly entered, using three-roll grinder, condensation cycle water is opened,
It is ground to and requires fineness, finally enters bottle placer progress filling.
Viscosity, Ke Yican can be reduced in the case where not reducing quality of forming film by adding suitable epoxy active diluent
With to during being reacted with curing agent, diluent will not be separated out after film forming.But traditional coating typically uses non-activated thinner,
After viscosity when simply reduction is produced, film forming, although most of diluent can be discharged into air, but is still had in film residual
Stay, precipitate into drinking water, have injury to body.
For the problem, in the embodiment of the present invention, it is preferable that the epoxy resin is bisphenol A type epoxy resin, polyurethane
The one or two kinds of of modified epoxy and rubber modified epoxy resin.Epoxy resin can use bisphenol A type epoxy resin,
Film forming is harder, if increase polyurethane modified epoxy resin or rubber modified epoxy resin, play a part of toughness reinforcing, it is to avoid
The problem of easy embrittlement.
In the embodiment of the present invention, it is preferable that the modified multicomponent amine is modified aliphatic polyamine, modified polyamide is polynary
The one or several kinds of amine and modified allicylic polyamine.
In the embodiment of the present invention, it is preferable that titanium dioxide uses rutile type titanium white, a part brightens for playing
Effect, another part can also absorb ultraviolet, protect in film forming remainder not by ultraviolet damage.
In the embodiment of the present invention, it is preferable that the wollastonite in powder is needle shape wollastonite powder.
In the embodiment of the present invention, it is preferable that the levelling agent be polyacrylate and polysiloxane in one kind or
Two kinds of person.
In the embodiment of the present invention, it is preferable that the auxiliary rheological agents are meteorological silica, 1-METHYLPYRROLIDONE, hydrogenation
One or several kinds in castor oil etc..
In the embodiment of the present invention, it is preferable that the dispersant is organosilicon wetting dispersing agent.
In the embodiment of the present invention, it is preferable that the ground wetting agent is silicone surfactant.
It is further preferred that the dispersant is byk220s type organosilicon wetting dispersing agents；The ground wetting agent is
Byk347 type silicone surfactants.
In the embodiment of the present invention, it is preferable that the defoamer is one kind in mineral oil antifoam agent, organic silicon defoamer.
In the embodiment of the present invention, it is preferable that sun-screening agent is hindered amine as light stabilizer or hydrophilic 2- (2- hydroxyphenyls)-benzo
Triazole ultraviolet receives the liquid mixture of agent and hindered amine as light stabilizer.
The additive that innovation of the embodiment of the present invention is used can better ensure that quality of forming film, and make production or constructed
Journey is more simple and easy to apply.
The embodiment of the present invention additionally provides one kind according to water proof type solventless epoxy resin coating in above-mentioned drinking water project
Construction method, reference picture 1, it illustrates water proof type non-solvent epoxy tree in a kind of drinking water project described in the embodiment of the present invention
The flow chart of the construction method of grease coating material, can specifically include：
Step 101, the component A is well mixed with the B component obtains the solventless epoxy resin coating.
Step 102, on the formation level of drinking water project, construct institute using brushing, by the way of roller coating or airless spraying
State solventless epoxy resin coating.
To make those skilled in the art more fully understand the present invention, illustrate this hair below by way of multiple specific embodiments
Water proof type solventless epoxy resin coating and its construction method in the drinking water project of bright embodiment.
It is prepared by the component A of no-solvent type epoxy resin：
Bisphenol A type epoxy resin is in base catalyst (generally to use hydrogen by diphenol propane (bisphenol-A) and epoxychloropropane
Sodium oxide molybdena) polycondensation is formed down for effect.It is continual to carry out above-mentioned open loop-open loop-closed loop in the case of expoxy propane excess
Reaction, final i.e. available two end groups are the bisphenol A type epoxy resin of epoxy radicals.Adjust the consumption of bisphenol-A and epoxychloropropane
Than the different epoxy resin of average molecular mass can be made.
Solventless epoxy resin coating be by epoxy resin be 80~100 parts by weight, the epoxy active diluent be 10
~20 parts by weight, the additive is 3~10 parts by weight, and the filler is 55~155 parts by weight, the pigment 0,5~3 weight
Part is scattered via high speed, and ground and mixed is formed.
Embodiment 1
Bisphenol A epoxide resin 80kg
Polyurethane modified epoxy resin 20kg
Epoxy active diluent (lauryl diglycidyl ether) is 10kg
Levelling agent (polyacrylate) is 0.5kg
Auxiliary rheological agents (meteorological silica) are 2kg
Dispersant is 1kg
Ground wetting agent is 0.7kg
Defoamer is 0.3kg
Ultra-violet absorber is 1kg
Titanium dioxide (rutile type titanium white) is 8kg
Talcum powder (needle shape wollastonite powder) is 30kg
Wet method sericite in powder is 30kg
Wollastonite in powder is 30kg
Ceramic powder is 15kg
B component：Modified aliphatic polyamine：110kg
Embodiment 2
Bisphenol A epoxide resin 90kg
Rubber modified epoxy resin 10kg
Epoxy active diluent 15kg, wherein, lauryl diglycidyl ether (10) kg, BDO 2-glycidyl
Ether (5) kg
Levelling agent (polysiloxane) is 1kg
Auxiliary rheological agents are 4kg, wherein, 1-METHYLPYRROLIDONE (2) kg, rilanit special (1) kg
Dispersant is 2kg
Ground wetting agent is 2kg
Defoamer is 1.5kg
Ultra-violet absorber is 3kg
Titanium dioxide (rutile type titanium white) is 10kg
Talcum powder (needle shape wollastonite powder) is 60kg
Wet method sericite in powder is 20kg
Wollastonite in powder is 20kg
Ceramic powder is 5kg
B component：Modified polyamide polyamine：115kg
Embodiment 3
Bisphenol A epoxide resin 100kg
Epoxy active diluent 20kg, wherein, lauryl diglycidyl ether (10) kg, BDO 2-glycidyl
Ether (4) kg, ethylene glycol diglycidylether (6) kg
Levelling agent is 2kg, wherein, polyacrylate is (1) kg, and polysiloxane is (1) kg
Auxiliary rheological agents are 6kg, wherein, meteorological silica (3) kg, 1-METHYLPYRROLIDONE (1) kg, rilanit special
(2)kg
Dispersant is 3kg
Ground wetting agent is 3kg
Defoamer is 3kg
Ultra-violet absorber is 1.5kg
Titanium dioxide (rutile type titanium white) is 15kg
Talcum powder (needle shape wollastonite powder) is 60kg
Wet method sericite in powder is 20kg
Wollastonite in powder is 20kg
B component is 120kg, wherein modified aliphatic polyamine：Modified polyamide polyamine=4:1.
Above to water proof type solventless epoxy resin coating and its construction in a kind of drinking water project provided by the present invention
Method is described in detail, and specific case used herein is set forth to the principle and embodiment of the present invention, with
The explanation of upper embodiment is only intended to the method and its core concept for helping to understand the present invention；Simultaneously for the general of this area
Technical staff, according to the thought of the present invention, will change in specific embodiments and applications, in summary,
This specification content should not be construed as limiting the invention.
Claims (8)
1. a kind of water proof type solventless epoxy resin coating in drinking water project, it is characterised in that the solvent-free epoxy resin
Coating includes component A and B component；The component A includes epoxy resin, epoxy active diluent, additive, filler and pigment；
The B component includes modified multicomponent amine；
The ratio of each material is in the solventless epoxy resin coating：The epoxy resin is 80~100 parts by weight, the ring
Oxygen activity diluent is 10~20 parts by weight, and the additive is 3~10 parts by weight, and the filler is 55~155 parts by weight, institute
Pigment is stated for 0.5~3 parts by weight, the modified multicomponent amine is 80~120 parts by weight；
The epoxy active diluent is lauryl diglycidyl ether, 1,4- butanediol diglycidyl ethers, ethylene glycol two contract
At least one of water glycerin ether；
The additive is included in levelling agent, auxiliary rheological agents, dispersant, ground wetting agent, defoamer and ultra-violet absorber extremely
Few one kind；
The ratio of each material is in the additive：The levelling agent is 0.5~2 parts by weight, and the auxiliary rheological agents are 1~6 weight
Part is measured, the dispersant is 0.5~3 parts by weight, and the ground wetting agent is 0.5~3 parts by weight, and the defoamer is 0.3~3
Parts by weight, the ultra-violet absorber is 1~3 parts by weight；
The filler includes titanium dioxide, talcum powder, wet method sericite in powder, wollastonite in powder and ceramic powder；
The ratio of each material is that the titanium dioxide is 8~15 parts by weight in the filler, and the talcum powder is 30~60 parts by weight,
The wet method sericite in powder is 15~30 parts by weight, and the wollastonite in powder is 15~30 parts by weight, and the ceramic powder is 15~2 weights
Measure part；
The modified multicomponent amine is modified aliphatic polyamine or modified polyamide polyamine.
2. solventless epoxy resin coating according to claim 1, it is characterised in that：
The epoxy resin is one kind of bisphenol A type epoxy resin, polyurethane modified epoxy resin and rubber modified epoxy resin
Or two kinds.
3. solventless epoxy resin coating according to claim 1, it is characterised in that：
The titanium dioxide is rutile type titanium white；The wollastonite in powder is needle shape wollastonite powder.
4. solventless epoxy resin coating according to claim 1, it is characterised in that：
The levelling agent is the one or two kinds of in polyacrylate and polysiloxane；
The auxiliary rheological agents are the one or several kinds in aerosil, 1-METHYLPYRROLIDONE and rilanit special.
5. solventless epoxy resin coating according to claim 1, it is characterised in that：
The dispersant is organosilicon wetting dispersing agent；
The ground wetting agent is silicone surfactant.
6. solventless epoxy resin coating according to claim 1, it is characterised in that：
The dispersant is byk220s type organosilicon wetting dispersing agents；
The ground wetting agent is byk347 type silicone surfactants.
7. solventless epoxy resin coating according to claim 1, it is characterised in that：
The defoamer is organic silicon defoamer or mineral oil antifoam agent.
8. a kind of construction method of the solventless epoxy resin coating as described in claim any one of 1-7, it is characterised in that bag
Include：
The component A is well mixed with the B component and obtains the solventless epoxy resin coating；In applying for drinking water project
On work basal plane, the solventless epoxy resin coating of being constructed by the way of brushing, roller coating or airless spraying.
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| CN110713775A (en) * | 2019-09-30 | 2020-01-21 | 亚士创能新材料(滁州)有限公司 | Solvent-free glazed finish paint and preparation method thereof |
| CN111187556B (en) * | 2020-03-17 | 2022-06-28 | 新疆科能新材料技术股份有限公司 | Epoxy resin waterproof coating for hydraulic engineering and preparation method thereof |
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