CN106866712A - For the metallic-ion crosslinking agent and preparation method of fire resistant water-based coating - Google Patents
For the metallic-ion crosslinking agent and preparation method of fire resistant water-based coating Download PDFInfo
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- CN106866712A CN106866712A CN201710019173.1A CN201710019173A CN106866712A CN 106866712 A CN106866712 A CN 106866712A CN 201710019173 A CN201710019173 A CN 201710019173A CN 106866712 A CN106866712 A CN 106866712A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 53
- 238000000576 coating method Methods 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000003431 cross linking reagent Substances 0.000 title claims abstract description 52
- 150000001455 metallic ions Chemical class 0.000 title claims abstract description 46
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002738 chelating agent Substances 0.000 claims abstract description 17
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 16
- 150000002500 ions Chemical class 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 24
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 16
- 239000013522 chelant Substances 0.000 claims description 10
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 8
- 239000012467 final product Substances 0.000 claims description 8
- 235000011187 glycerol Nutrition 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 7
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 claims description 7
- 229910001423 beryllium ion Inorganic materials 0.000 claims description 7
- PWOSZCQLSAMRQW-UHFFFAOYSA-N beryllium(2+) Chemical compound [Be+2] PWOSZCQLSAMRQW-UHFFFAOYSA-N 0.000 claims description 7
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 7
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 6
- 229940043237 diethanolamine Drugs 0.000 claims description 6
- RGZSQWQPBWRIAQ-HUUCEWRRSA-N (2r)-6-methyl-2-[(1s)-4-methylcyclohex-3-en-1-yl]hept-5-en-2-ol Chemical compound CC(C)=CCC[C@@](C)(O)[C@H]1CCC(C)=CC1 RGZSQWQPBWRIAQ-HUUCEWRRSA-N 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 29
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000002421 anti-septic effect Effects 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- -1 Ion chelate complex Chemical class 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000010148 water-pollination Effects 0.000 description 4
- PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000040710 Chela Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 235000011178 triphosphate Nutrition 0.000 description 1
- 239000001226 triphosphate Substances 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
- XAEWLETZEZXLHR-UHFFFAOYSA-N zinc;dioxido(dioxo)molybdenum Chemical compound [Zn+2].[O-][Mo]([O-])(=O)=O XAEWLETZEZXLHR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/003—Compounds containing elements of Groups 4 or 14 of the Periodic Table without C-Metal linkages
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of metallic-ion crosslinking agent for fire resistant water-based coating and preparation method thereof, the molecular structural formula of the metallic-ion crosslinking agent is as follows：
Description
Technical field
The invention belongs to new compound field, it is related to a kind of new water paint crosslinking agent and its synthetic method, specifically
It is related to a kind of metallic-ion crosslinking agent for fire resistant water-based coating and preparation method thereof.
Background technology
Due to the immense pressure of environment, solvent based coating has been gradually backed out our sight line.Development solvent type coating is replaced
Dai Pin is the emphasis of current paint development.The substitute of solvent based coating mainly has powdery paints, photocureable coating and aqueous painting
Material.Wherein, water paint is the substitute for being acknowledged as most having development potentiality.But the performance and solvent-borne type of current water paint
Coating compares also many weak points.Wherein for antiseptic power, the antiseptic power of water paint does not reach solvent much
The antiseptic power of type coating.In recent years, improving the antiseptic power of water-based anticorrosive paint turns into the weight that researcher and businessman pay close attention to
Point.
At present, improving the main mode of water-based anticorrosive paint mainly has three aspects.First, the crosslinking for improving coating is close
Degree；Furthermore, improve coating surface hydrophobicity；Finally, new anticorrosive packing is found.The crosslinking of water-based anticorrosive paint generally existing is close
Degree is low and coating surface hydrophily is too strong.Its main cause is that hydrophily is higher in itself for water-soluble resin, and conventional is consolidated
Agent is hydrophily curing agent, so resulting coating surface hydrophily is too strong, and crosslink density is low, so that water paint
Antiseptic property is poor.Meanwhile, the parameter of consistency of curing agent and resin has very big difference, in use, the phase of resin and curing agent
Capacitive is bad.
According to water paint shortcoming, researcher has done a series of improvement, and water paint curing agent has been carried out largely
Improvement, but at present research report be only be improved on the basis of the curing agent of original solvent based coating, although take
Certain achievement was obtained, compared to being had a certain upgrade on the water paint antiseptic property of early stage, but aspect of performance is applied with solvent-borne type
Material also has a certain distance.Today of and rapid industrial development increasingly serious in environment, China or even world's coating industry are necessary
A kind of new curing mode is found to improve the Corrosion Protection of water paint.This curing mode be not only rest on it is right
In the improvement of original solvent-borne type curing agent.Metal ion crosslinked is that a kind of Novel water-based paint for being different from traditional cross-linked form is handed over
Connection agent, it has the advantages that, and curing rate is fast, crosslink density is high, in may apply to the solidification of water paint.
With industrial expansion, the requirement to coating is also original higher, in some special environment, such as：Vehicle
Engine, blast pipe etc., not only require that coating has certain antiseptic power, also to possess certain heat resistance, and this just gives
The preparation of water paint proposes requirement higher.
The content of the invention
The technical problem of solution：This invention address that preparing a kind of crosslinking agent of new suitable water paint to improve coating
Crosslink density and reduce surface hydrophilicity, so as to improve the antiseptic power of water-based anticorrosive paint.Metal prepared by the present invention
Ion chelate complex can significantly improve the crosslink density of water paint as the crosslinking agent of water paint, because metal ion can
To be relatively easy to the active group in resin such as：Hydroxyl, carboxyl etc. react, and chelate of metal ion is to consume painting
Material hydrophilic radical carrys out solidified aqueous coating, with the hydrophilic group reduced while metallic-ion crosslinking agent is coating material solidified in coating
Group, and then improve the anti-corrosion capability of water paint.Also, chelate of metal ion cross-linking reaction is usually than relatively low temperature
The reaction carried out under degree.So, water paint solidification temperature is reduced.Metal ion heat resistance is relatively good simultaneously, uses
Coating obtained by this crosslinking agent has preferable temperature tolerance.The invention provides a kind of metal for fire resistant water-based coating
Ion crosslinking agent and preparation method thereof.
Technical scheme：A kind of metallic-ion crosslinking agent for fire resistant water-based coating, the metallic-ion crosslinking agent
Molecular structural formula is as follows：
Wherein, central ion is the metal ion or atom of outer-shell electron unoccupied orbital, and chelating agent is with two or two
The aminated compounds of above hydroxyl.
Preferably, the metallic-ion crosslinking agent is any one in titanium ion, beryllium ion, magnesium ion.
Preferably, the chelating agent is the aminated compounds with two or more hydroxyls.
Preferably, the aminated compounds is triethanolamine or diethanol amine.
Further, the ratio of chelating agent and central ion is 2:1 and 3:Any mol ratio between 1.
A kind of preparation method of metallic-ion crosslinking agent for fire resistant water-based coating, comprises the following steps that：
Step 1, in the there-necked flask equipped with condenser pipe add 10g~20g glycerine, and at 60~80 DEG C preheat
, then be put into chelating agent in there-necked flask by 0.5~2h, regulation pH be 6.5~7.5 between, with 1000~3000r/min speed
Uniform stirring, 0.5~2h of back flow reaction is preheated.
Step 2, protective gas N2 is passed through, and temperature is warming up to 90~100 DEG C, metal ion is slowly added to, with 1000
~3000r/min speed uniform stirrings, 1~3h of back flow reaction stops stirring, stands 1~5h, is cooled to room temperature and is transferred to beaker
In, obtain final product chelate of metal ion.
So that chelating agent is as triethanolamine as an example, the metallic-ion crosslinking agent preparation method for fire resistant water-based coating
Reaction principle be：
Wherein, metal ion centered on M, titanium ion, beryllium ion or magnesium ion, R are alkoxy.
Beneficial effect：
(1) metallic-ion crosslinking agent of the invention is to exchange alkoxy by slaine and hydramine quasi-chelate compound to prepare institute
, its raw material is simple and easy to get, and preparation method is simple is easy, and reaction condition facilitates easily-controllable.
(2) metallic-ion crosslinking agent solidified aqueous coating of the invention, will not produce VOC, be a kind of crosslinking of environment-friendly type
Mode.
(3) metallic-ion crosslinking agent of the invention is especially containing epoxide ring because having the characteristic of aminated compounds
Application solidification effect can strengthen in film-forming resin, and the antiseptic property of coating is also better.
(4) metallic-ion crosslinking agent of the invention is applied in water-based anticorrosive paint the anticorrosion that can significantly improve coating
Performance, its salt spray resistance experiment reaches as high as 1280h.
(5) metallic-ion crosslinking agent of the invention can improve coating in the case of without any high temperature resistant filler
Heat resistance, heat resisting temperature is up to 600 DEG C.
Specific embodiment
Following examples further illustrate present disclosure, but should not be construed as limiting the invention.Without departing substantially from
In the case of spirit of the invention and essence, the modification and replacement made to the inventive method, step or condition belong to the present invention
Scope.If not specializing, the conventional meanses that technological means used is well known to those skilled in the art in embodiment.
Embodiment 1
A kind of metallic-ion crosslinking agent for fire resistant water-based coating, the molecular structural formula of the metallic-ion crosslinking agent
It is as follows：
Wherein, central ion is magnesium ion, and chelating agent is diethanol amine.
A kind of preparation method of metallic-ion crosslinking agent for fire resistant water-based coating, comprises the following steps that：
Step 1, in the there-necked flask equipped with condenser pipe add 10g glycerine, and at 60~80 DEG C preheating 0.5~
, then be put into diethanol amine in there-necked flask by 2h, and regulation pH is 6.5, with 1000r/min speed uniform stirrings, back flow reaction
1h is preheated.
Step 2, it is passed through protective gas N2, and temperature is warming up to 90 DEG C, magnesium ion is slowly added to, with 1000r/min speed
Degree uniform stirring, back flow reaction 1h stops stirring, stands 1h, is cooled to room temperature and is transferred in beaker, obtains final product metal ion-chelant
Thing.
Embodiment 2
A kind of metallic-ion crosslinking agent for fire resistant water-based coating, the molecular structural formula of the metallic-ion crosslinking agent
It is as follows：
Wherein, central ion is magnesium ion, and chelating agent is triethanolamine.
A kind of preparation method of metallic-ion crosslinking agent for fire resistant water-based coating, comprises the following steps that：
Step 1, the addition 20g glycerine in the there-necked flask equipped with condenser pipe, and 2h is preheated at 60~80 DEG C, then will
Triethanolamine is put into there-necked flask, and regulation pH is 6.5, and with 3000r/min speed uniform stirrings, back flow reaction 0.5h carries out pre-
Heat.
Step 2, it is passed through protective gas N2, and temperature is warming up to 100 DEG C, magnesium ion is slowly added to, with 3000r/min speed
Degree uniform stirring, back flow reaction 3h stops stirring, stands 5h, is cooled to room temperature and is transferred in beaker, obtains final product metal ion-chelant
Thing.
Embodiment 3
A kind of metallic-ion crosslinking agent for fire resistant water-based coating, the molecular structural formula of the metallic-ion crosslinking agent
It is as follows：
Wherein, central ion is beryllium ion, and chelating agent is triethanolamine.
A kind of preparation method of metallic-ion crosslinking agent for fire resistant water-based coating, comprises the following steps that：
Step 1, the addition 15g glycerine in the there-necked flask equipped with condenser pipe, and 0.5~2h is preheated at 60~80 DEG C,
Then triethanolamine is put into there-necked flask, regulation pH is 7, and with 2000r/min speed uniform stirrings, back flow reaction 2h is carried out
Preheating.
Step 2, it is passed through protective gas N2, and temperature is warming up to 100 DEG C, beryllium ion is slowly added to, with 1500r/min speed
Degree uniform stirring, back flow reaction 2.5h stops stirring, stands 4h, is cooled to room temperature and is transferred in beaker, obtains final product metal ion chela
Compound.
Embodiment 4
A kind of metallic-ion crosslinking agent for fire resistant water-based coating, the molecular structural formula of the metallic-ion crosslinking agent
It is as follows：
Wherein, central ion is beryllium ion, and chelating agent is diethanol amine.
A kind of preparation method of metallic-ion crosslinking agent for fire resistant water-based coating, comprises the following steps that：
Step 1, the addition 17g glycerine in the there-necked flask equipped with condenser pipe, and 2h is preheated at 75 DEG C, then by diethyl
Hydramine is put into there-necked flask, and regulation pH is 7, and with 1800r/min speed uniform stirrings, back flow reaction 1.5h is preheated.
Step 2, it is passed through protective gas N2, and temperature is warming up to 98 DEG C, beryllium ion is slowly added to, with 2000r/min speed
Degree uniform stirring, back flow reaction 2h stops stirring, stands 5h, is cooled to room temperature and is transferred in beaker, obtains final product metal ion-chelant
Thing.
Embodiment 5
A kind of metallic-ion crosslinking agent for fire resistant water-based coating, the molecular structural formula of the metallic-ion crosslinking agent
It is as follows：
Wherein, central ion is titanium ion, and chelating agent is diethanol amine.
A kind of preparation method of metallic-ion crosslinking agent for fire resistant water-based coating, comprises the following steps that：
Step 1, the addition 15g glycerine in the there-necked flask equipped with condenser pipe, and 2h is preheated at 80 DEG C, then by diethyl
Hydramine is put into there-necked flask, and regulation pH is 7.5, and with 2600r/min speed uniform stirrings, back flow reaction 2h is preheated.
Step 2, it is passed through protective gas N2, and temperature is warming up to 100 DEG C, titanium ion is slowly added to, with 2700r/min speed
Degree uniform stirring, back flow reaction 1h stops stirring, stands 3h, is cooled to room temperature and is transferred in beaker, obtains final product metal ion-chelant
Thing.
Embodiment 6
A kind of metallic-ion crosslinking agent for fire resistant water-based coating, the molecular structural formula of the metallic-ion crosslinking agent
It is as follows：
Wherein, central ion is titanium ion, and chelating agent is triethanolamine.
A kind of preparation method of metallic-ion crosslinking agent for fire resistant water-based coating, comprises the following steps that：
Step 1, the addition 20g glycerine in the there-necked flask equipped with condenser pipe, and 2h is preheated at 80 DEG C, then by three second
Hydramine is put into there-necked flask, and regulation pH is 7.5, and with 3000r/min speed uniform stirrings, back flow reaction 2h is preheated.
Step 2, it is passed through protective gas N2, and temperature is warming up to 100 DEG C, titanium ion is slowly added to, with 2000r/min speed
Degree uniform stirring, back flow reaction 3h stops stirring, stands 5h, is cooled to room temperature and is transferred in beaker, obtains final product metal ion-chelant
Thing.
The metallic-ion crosslinking agent that embodiment 1~6 is prepared is used in the water paint of following component, aqueous poly- ammonia
Ester resin (commercially available) 40%, hydramine chelated metal ions crosslinking agent 5%, anti-corrosion paint (molybdate：Phosphate=2:1) 3%, fill out
Material (trbasic zinc phosphate:Zinc molybdate:Aluminium triphosphate:Titanium dioxide:Talcum powder=3:3:2:1:1) 20%, corrosion inhibiter 7%, anti-flash rusting agent
(benzene ring compound containing nitro) 5%, water 20%.
Above-mentioned water paint is coated on cold-rolled steel sheet, 50 DEG C solidification 3h, after 100 DEG C conserve 1h.
Above-mentioned coating carries out salt spray test and temperature tolerance experiment after forming coating, as a result as shown in the table：
The above, preferably specific embodiment only of the invention.Certainly, the present invention can also have other various implementations
Example, in the case of without departing substantially from spirit of the invention and its essence, any one skilled in the art, when can be according to this
Various corresponding equivalent changes and deformation are made in invention, should all belong to the protection domain of appended claims of the invention.
Claims (6)
1. a kind of metallic-ion crosslinking agent for fire resistant water-based coating, it is characterised in that the metallic-ion crosslinking agent
Molecular structural formula is as follows：
Wherein, central ion M is the metal ion with outer layer sky electron orbit, and chelating agent is with two or more hydroxyls
The aminated compounds of base.
2. a kind of metallic-ion crosslinking agent for fire resistant water-based coating according to claim 1, it is characterised in that institute
It is any one in titanium ion, beryllium ion, magnesium ion to state metallic-ion crosslinking agent.
3. a kind of metallic-ion crosslinking agent for fire resistant water-based coating according to claim 1, it is characterised in that institute
It is the aminated compounds containing two or more hydroxyls to state chelating agent.
4. a kind of metallic-ion crosslinking agent for fire resistant water-based coating according to claim 3, it is characterised in that institute
Aminated compounds is stated for triethanolamine or diethanol amine.
5. a kind of metallic-ion crosslinking agent for fire resistant water-based coating according to claim 1, it is characterised in that institute
The ratio for stating chelating agent and metal ion is 2:1 and 3:Any mol ratio between 1.
6. the system of a kind of metallic-ion crosslinking agent for fire resistant water-based coating according to any one of Claims 1 to 5
Preparation Method, it is characterised in that comprise the following steps that：
Step 1, in the there-necked flask equipped with condenser pipe add 10g~20g glycerine, and at 60~80 DEG C preheating 0.5~
, then be put into chelating agent in there-necked flask by 2h, regulation pH be 6.5~7.5 between, it is uniform with 1000~3000r/min speed
Stirring, 0.5~2h of back flow reaction is preheated.
Step 2, it is passed through protective gas N2, and temperature is warming up to 90~100 DEG C, metal ion is slowly added to, with 1000~
3000r/min speed uniform stirrings, 1~3h of back flow reaction stops stirring, stands 1~5h, is cooled to room temperature and is transferred to beaker
In, obtain final product chelate of metal ion.
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| CN110607109A (en) * | 2019-09-16 | 2019-12-24 | 罗洪财 | Environment-friendly anticorrosive paint and preparation method thereof |
| CN113150688A (en) * | 2021-05-11 | 2021-07-23 | 东莞大宝化工制品有限公司 | High-temperature-resistant anti-corrosion water-based paint and preparation method thereof |
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Application publication date: 20170620 |